From 60ba7185095dbe8a8d451fe3b2ebd397b3d51c22 Mon Sep 17 00:00:00 2001
From: myoshizumi <myoshizumi@alumni.berklee.edu>
Date: Fri, 20 Feb 2026 11:48:24 +0900
Subject: [PATCH 01/14] feat: add pagination to index.html with max 12 cards
 per tab

---
 generate_index.py | 101 +++++++++++++++++++++++++++++++++++++++++++
 public/index.html | 107 ++++++++++++++++++++++++++++++++++++++++++++--
 2 files changed, 205 insertions(+), 3 deletions(-)
diff --git a/generate_index.py b/generate_index.py
index d2b5ab32..3536eebd 100644
--- a/generate_index.py
+++ b/generate_index.py
@@ -191,6 +191,12 @@ def generate_index(self) -> None:
         .file-link {{ text-decoration: none; color: #2c3e50; font-weight: 500; display: block; }}
         .file-path {{ font-size: 0.8em; color: #7f8c8d; margin-top: 5px; display: block; word-break: break-all; }}
         footer {{ margin-top: 50px; text-align: center; font-size: 0.9em; color: #777; border-top: 1px solid #ddd; padding-top: 20px; }}
+        .pagination {{ display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 30px; padding-bottom: 20px; }}
+        .page-button {{ padding: 8px 12px; border: 1px solid #ddd; background: white; cursor: pointer; border-radius: 5px; color: #007bff; font-weight: 500; transition: all 0.2s; }}
+        .page-button.active {{ background: #007bff; color: white; border-color: #007bff; }}
+        .page-button:hover:not(.active):not(:disabled) {{ background: #f0f8ff; }}
+        .page-button:disabled {{ opacity: 0.5; cursor: not-allowed; color: #999; border-color: #eee; }}
+        .hidden-item {{ display: none !important; }}
     </style>
 </head>
 <body>
@@ -214,6 +220,99 @@ def generate_index(self) -> None:
     </footer>
 
     <script>
+        const ITEMS_PER_PAGE = 12;
+        let currentPages = {{}};
+
+        function initPagination() {{
+            const tabs = document.querySelectorAll('.tab-content');
+            tabs.forEach(tab => {{
+                currentPages[tab.id] = 1;
+                renderPage(tab.id);
+            }});
+        }}
+
+        function renderPage(tabId) {{
+            const tab = document.getElementById(tabId);
+            const items = tab.querySelectorAll('.file-item');
+            const totalItems = items.length;
+            const totalPages = Math.ceil(totalItems / ITEMS_PER_PAGE);
+            const currentPage = currentPages[tabId];
+
+            items.forEach((item, index) => {{
+                const start = (currentPage - 1) * ITEMS_PER_PAGE;
+                const end = start + ITEMS_PER_PAGE;
+                if (index >= start && index < end) {{
+                    item.classList.remove('hidden-item');
+                }} else {{
+                    item.classList.add('hidden-item');
+                }}
+            }});
+
+            renderPaginationControls(tabId, totalPages, currentPage);
+        }}
+
+        function renderPaginationControls(tabId, totalPages, currentPage) {{
+            const tab = document.getElementById(tabId);
+            let paginationContainer = tab.querySelector('.pagination');
+
+            if (!paginationContainer) {{
+                paginationContainer = document.createElement('div');
+                paginationContainer.className = 'pagination';
+                tab.appendChild(paginationContainer);
+            }}
+
+            paginationContainer.innerHTML = '';
+
+            if (totalPages <= 1) return;
+
+            const prevBtn = document.createElement('button');
+            prevBtn.className = 'page-button';
+            prevBtn.innerHTML = '&laquo; Prev';
+            prevBtn.disabled = currentPage === 1;
+            prevBtn.onclick = () => {{
+                currentPages[tabId]--;
+                renderPage(tabId);
+                window.scrollTo({{ top: 0, behavior: 'smooth' }});
+            }};
+            paginationContainer.appendChild(prevBtn);
+
+            for (let i = 1; i <= totalPages; i++) {{
+                // Optional: Ellipsis logic for many pages
+                if (totalPages > 7) {{
+                    if (i !== 1 && i !== totalPages && Math.abs(i - currentPage) > 1) {{
+                        if (i === 2 || i === totalPages - 1) {{
+                            const ellipsis = document.createElement('span');
+                            ellipsis.textContent = '...';
+                            paginationContainer.appendChild(ellipsis);
+                        }}
+                        continue;
+                    }}
+                }}
+
+                const pageBtn = document.createElement('button');
+                pageBtn.className = 'page-button';
+                pageBtn.textContent = i;
+                if (i === currentPage) pageBtn.classList.add('active');
+                pageBtn.onclick = () => {{
+                    currentPages[tabId] = i;
+                    renderPage(tabId);
+                    window.scrollTo({{ top: 0, behavior: 'smooth' }});
+                }};
+                paginationContainer.appendChild(pageBtn);
+            }}
+
+            const nextBtn = document.createElement('button');
+            nextBtn.className = 'page-button';
+            nextBtn.innerHTML = 'Next &raquo;';
+            nextBtn.disabled = currentPage === totalPages;
+            nextBtn.onclick = () => {{
+                currentPages[tabId]++;
+                renderPage(tabId);
+                window.scrollTo({{ top: 0, behavior: 'smooth' }});
+            }};
+            paginationContainer.appendChild(nextBtn);
+        }}
+
         function openTab(evt, categoryName) {{
             var i, tabcontent, tablinks;
             tabcontent = document.getElementsByClassName("tab-content");
@@ -229,6 +328,8 @@ def generate_index(self) -> None:
             document.getElementById(categoryName).classList.add("active");
             evt.currentTarget.className += " active";
         }}
+
+        window.addEventListener('DOMContentLoaded', initPagination);
     </script>
 </body>
 </html>"""
diff --git a/public/index.html b/public/index.html
index 1440e298..9b8db076 100644
--- a/public/index.html
+++ b/public/index.html
@@ -20,6 +20,12 @@
         .file-link { text-decoration: none; color: #2c3e50; font-weight: 500; display: block; }
         .file-path { font-size: 0.8em; color: #7f8c8d; margin-top: 5px; display: block; word-break: break-all; }
         footer { margin-top: 50px; text-align: center; font-size: 0.9em; color: #777; border-top: 1px solid #ddd; padding-top: 20px; }
+        .pagination { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 30px; padding-bottom: 20px; }
+        .page-button { padding: 8px 12px; border: 1px solid #ddd; background: white; cursor: pointer; border-radius: 5px; color: #007bff; font-weight: 500; transition: all 0.2s; }
+        .page-button.active { background: #007bff; color: white; border-color: #007bff; }
+        .page-button:hover:not(.active):not(:disabled) { background: #f0f8ff; }
+        .page-button:disabled { opacity: 0.5; cursor: not-allowed; color: #999; border-color: #eee; }
+        .hidden-item { display: none !important; }
     </style>
 </head>
 <body>
@@ -181,8 +187,8 @@ <h1>Algorithm Study Index</h1>
 <li class="file-item"><a class="file-link" href="Mathematics/Fundamentals/HackerRank/Claude/Easy/moving-tiles-visualization.html">Moving Tiles - 重なり面積の時間逆算<span class="file-path">Mathematics/Fundamentals/HackerRank/Claude/Easy/moving-tiles-visualization.html</span></a></li>
 <li class="file-item"><a class="file-link" href="Mathematics/Combination%20Calculation/leetcode/62.%20Unique%20Paths/Claude/README.html">Robot Unique Paths - 技術解説<span class="file-path">Mathematics/Combination Calculation/leetcode/62. Unique Paths/Claude/README.html</span></a></li>
 <li class="file-item"><a class="file-link" href="Mathematics/Finite%20State%20Machine/leetcode/65.%20Valid%20Number/Claude/README.html">Valid Number Problem - 有限状態機械アルゴリズム解説<span class="file-path">Mathematics/Finite State Machine/leetcode/65. Valid Number/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Mathematics/Exponentiation%20by%20Squaring/leetcode/50.%20Pow%28x%2C%20n%29/Claude/README%20detailed.html">pow(x, n) アルゴリズム解析<span class="file-path">Mathematics/Exponentiation by Squaring/leetcode/50. Pow(x, n)/Claude/README detailed.html</span></a></li>
 <li class="file-item"><a class="file-link" href="Mathematics/Exponentiation%20by%20Squaring/leetcode/50.%20Pow%28x%2C%20n%29/Claude/README.html">pow(x, n) アルゴリズム解析<span class="file-path">Mathematics/Exponentiation by Squaring/leetcode/50. Pow(x, n)/Claude/README.html</span></a></li>
+<li class="file-item"><a class="file-link" href="Mathematics/Exponentiation%20by%20Squaring/leetcode/50.%20Pow%28x%2C%20n%29/Claude/README%20detailed.html">pow(x, n) アルゴリズム解析<span class="file-path">Mathematics/Exponentiation by Squaring/leetcode/50. Pow(x, n)/Claude/README detailed.html</span></a></li>
 <li class="file-item"><a class="file-link" href="Mathematics/Number%20Theory/HackerRank/Easy/Primitive_Problem.html">原始根の発見 - HackerRank問題解説<span class="file-path">Mathematics/Number Theory/HackerRank/Easy/Primitive_Problem.html</span></a></li>
 <li class="file-item"><a class="file-link" href="Mathematics/Other/atcoder/B45/README.html">整数を全て0にする問題 - 可視化デモ<span class="file-path">Mathematics/Other/atcoder/B45/README.html</span></a></li>
 <li class="file-item"><a class="file-link" href="Mathematics/Multiply%20Strings/leetcode/43.%20Multiply%20Strings/Claude/README.html">文字列掛け算アルゴリズムの詳細解析<span class="file-path">Mathematics/Multiply Strings/leetcode/43. Multiply Strings/Claude/README.html</span></a></li>
@@ -354,8 +360,8 @@ <h1>Algorithm Study Index</h1>
 <li class="file-item"><a class="file-link" href="Mathematics/Fundamentals/HackerRank/Claude/Easy/moving-tiles-visualization.html">Moving Tiles - 重なり面積の時間逆算<span class="file-path">Mathematics/Fundamentals/HackerRank/Claude/Easy/moving-tiles-visualization.html</span></a></li>
 <li class="file-item"><a class="file-link" href="Mathematics/Combination%20Calculation/leetcode/62.%20Unique%20Paths/Claude/README.html">Robot Unique Paths - 技術解説<span class="file-path">Mathematics/Combination Calculation/leetcode/62. Unique Paths/Claude/README.html</span></a></li>
 <li class="file-item"><a class="file-link" href="Mathematics/Finite%20State%20Machine/leetcode/65.%20Valid%20Number/Claude/README.html">Valid Number Problem - 有限状態機械アルゴリズム解説<span class="file-path">Mathematics/Finite State Machine/leetcode/65. Valid Number/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Mathematics/Exponentiation%20by%20Squaring/leetcode/50.%20Pow%28x%2C%20n%29/Claude/README%20detailed.html">pow(x, n) アルゴリズム解析<span class="file-path">Mathematics/Exponentiation by Squaring/leetcode/50. Pow(x, n)/Claude/README detailed.html</span></a></li>
 <li class="file-item"><a class="file-link" href="Mathematics/Exponentiation%20by%20Squaring/leetcode/50.%20Pow%28x%2C%20n%29/Claude/README.html">pow(x, n) アルゴリズム解析<span class="file-path">Mathematics/Exponentiation by Squaring/leetcode/50. Pow(x, n)/Claude/README.html</span></a></li>
+<li class="file-item"><a class="file-link" href="Mathematics/Exponentiation%20by%20Squaring/leetcode/50.%20Pow%28x%2C%20n%29/Claude/README%20detailed.html">pow(x, n) アルゴリズム解析<span class="file-path">Mathematics/Exponentiation by Squaring/leetcode/50. Pow(x, n)/Claude/README detailed.html</span></a></li>
 <li class="file-item"><a class="file-link" href="Mathematics/Number%20Theory/HackerRank/Easy/Primitive_Problem.html">原始根の発見 - HackerRank問題解説<span class="file-path">Mathematics/Number Theory/HackerRank/Easy/Primitive_Problem.html</span></a></li>
 <li class="file-item"><a class="file-link" href="Mathematics/Other/atcoder/B45/README.html">整数を全て0にする問題 - 可視化デモ<span class="file-path">Mathematics/Other/atcoder/B45/README.html</span></a></li>
 <li class="file-item"><a class="file-link" href="Mathematics/Multiply%20Strings/leetcode/43.%20Multiply%20Strings/Claude/README.html">文字列掛け算アルゴリズムの詳細解析<span class="file-path">Mathematics/Multiply Strings/leetcode/43. Multiply Strings/Claude/README.html</span></a></li>
@@ -371,10 +377,103 @@ <h1>Algorithm Study Index</h1>
 
 
     <footer>
-        Generated on 2026-02-20 02:18:49 UTC
+        Generated on 2026-02-20 02:46:07 UTC
     </footer>
 
     <script>
+        const ITEMS_PER_PAGE = 12;
+        let currentPages = {};
+
+        function initPagination() {
+            const tabs = document.querySelectorAll('.tab-content');
+            tabs.forEach(tab => {
+                currentPages[tab.id] = 1;
+                renderPage(tab.id);
+            });
+        }
+
+        function renderPage(tabId) {
+            const tab = document.getElementById(tabId);
+            const items = tab.querySelectorAll('.file-item');
+            const totalItems = items.length;
+            const totalPages = Math.ceil(totalItems / ITEMS_PER_PAGE);
+            const currentPage = currentPages[tabId];
+
+            items.forEach((item, index) => {
+                const start = (currentPage - 1) * ITEMS_PER_PAGE;
+                const end = start + ITEMS_PER_PAGE;
+                if (index >= start && index < end) {
+                    item.classList.remove('hidden-item');
+                } else {
+                    item.classList.add('hidden-item');
+                }
+            });
+
+            renderPaginationControls(tabId, totalPages, currentPage);
+        }
+
+        function renderPaginationControls(tabId, totalPages, currentPage) {
+            const tab = document.getElementById(tabId);
+            let paginationContainer = tab.querySelector('.pagination');
+
+            if (!paginationContainer) {
+                paginationContainer = document.createElement('div');
+                paginationContainer.className = 'pagination';
+                tab.appendChild(paginationContainer);
+            }
+
+            paginationContainer.innerHTML = '';
+
+            if (totalPages <= 1) return;
+
+            const prevBtn = document.createElement('button');
+            prevBtn.className = 'page-button';
+            prevBtn.innerHTML = '&laquo; Prev';
+            prevBtn.disabled = currentPage === 1;
+            prevBtn.onclick = () => {
+                currentPages[tabId]--;
+                renderPage(tabId);
+                window.scrollTo({ top: 0, behavior: 'smooth' });
+            };
+            paginationContainer.appendChild(prevBtn);
+
+            for (let i = 1; i <= totalPages; i++) {
+                // Optional: Ellipsis logic for many pages
+                if (totalPages > 7) {
+                    if (i !== 1 && i !== totalPages && Math.abs(i - currentPage) > 1) {
+                        if (i === 2 || i === totalPages - 1) {
+                            const ellipsis = document.createElement('span');
+                            ellipsis.textContent = '...';
+                            paginationContainer.appendChild(ellipsis);
+                        }
+                        continue;
+                    }
+                }
+
+                const pageBtn = document.createElement('button');
+                pageBtn.className = 'page-button';
+                pageBtn.textContent = i;
+                if (i === currentPage) pageBtn.classList.add('active');
+                pageBtn.onclick = () => {
+                    currentPages[tabId] = i;
+                    renderPage(tabId);
+                    window.scrollTo({ top: 0, behavior: 'smooth' });
+                };
+                paginationContainer.appendChild(pageBtn);
+            }
+
+            const nextBtn = document.createElement('button');
+            nextBtn.className = 'page-button';
+            nextBtn.innerHTML = 'Next &raquo;';
+            nextBtn.disabled = currentPage === totalPages;
+            nextBtn.onclick = () => {
+                currentPages[tabId]++;
+                renderPage(tabId);
+                window.scrollTo({ top: 0, behavior: 'smooth' });
+            };
+            paginationContainer.appendChild(nextBtn);
+        }
+
         function openTab(evt, categoryName) {
             var i, tabcontent, tablinks;
             tabcontent = document.getElementsByClassName("tab-content");
@@ -390,6 +489,8 @@ <h1>Algorithm Study Index</h1>
             document.getElementById(categoryName).classList.add("active");
             evt.currentTarget.className += " active";
         }
+
+        window.addEventListener('DOMContentLoaded', initPagination);
     </script>
 </body>
 </html>
\ No newline at end of file

From 2813b100839f461d0a42961abd9a5a7c81da6cbe Mon Sep 17 00:00:00 2001
From: myoshi2891 <96483039+myoshi2891@users.noreply.github.com>
Date: Fri, 20 Feb 2026 02:48:59 +0000
Subject: [PATCH 02/14] build: auto-generate public directory

---
 public/index.html | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/public/index.html b/public/index.html
index 9b8db076..019af28e 100644
--- a/public/index.html
+++ b/public/index.html
@@ -187,8 +187,8 @@ <h1>Algorithm Study Index</h1>
 <li class="file-item"><a class="file-link" href="Mathematics/Fundamentals/HackerRank/Claude/Easy/moving-tiles-visualization.html">Moving Tiles - 重なり面積の時間逆算<span class="file-path">Mathematics/Fundamentals/HackerRank/Claude/Easy/moving-tiles-visualization.html</span></a></li>
 <li class="file-item"><a class="file-link" href="Mathematics/Combination%20Calculation/leetcode/62.%20Unique%20Paths/Claude/README.html">Robot Unique Paths - 技術解説<span class="file-path">Mathematics/Combination Calculation/leetcode/62. Unique Paths/Claude/README.html</span></a></li>
 <li class="file-item"><a class="file-link" href="Mathematics/Finite%20State%20Machine/leetcode/65.%20Valid%20Number/Claude/README.html">Valid Number Problem - 有限状態機械アルゴリズム解説<span class="file-path">Mathematics/Finite State Machine/leetcode/65. Valid Number/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Mathematics/Exponentiation%20by%20Squaring/leetcode/50.%20Pow%28x%2C%20n%29/Claude/README.html">pow(x, n) アルゴリズム解析<span class="file-path">Mathematics/Exponentiation by Squaring/leetcode/50. Pow(x, n)/Claude/README.html</span></a></li>
 <li class="file-item"><a class="file-link" href="Mathematics/Exponentiation%20by%20Squaring/leetcode/50.%20Pow%28x%2C%20n%29/Claude/README%20detailed.html">pow(x, n) アルゴリズム解析<span class="file-path">Mathematics/Exponentiation by Squaring/leetcode/50. Pow(x, n)/Claude/README detailed.html</span></a></li>
+<li class="file-item"><a class="file-link" href="Mathematics/Exponentiation%20by%20Squaring/leetcode/50.%20Pow%28x%2C%20n%29/Claude/README.html">pow(x, n) アルゴリズム解析<span class="file-path">Mathematics/Exponentiation by Squaring/leetcode/50. Pow(x, n)/Claude/README.html</span></a></li>
 <li class="file-item"><a class="file-link" href="Mathematics/Number%20Theory/HackerRank/Easy/Primitive_Problem.html">原始根の発見 - HackerRank問題解説<span class="file-path">Mathematics/Number Theory/HackerRank/Easy/Primitive_Problem.html</span></a></li>
 <li class="file-item"><a class="file-link" href="Mathematics/Other/atcoder/B45/README.html">整数を全て0にする問題 - 可視化デモ<span class="file-path">Mathematics/Other/atcoder/B45/README.html</span></a></li>
 <li class="file-item"><a class="file-link" href="Mathematics/Multiply%20Strings/leetcode/43.%20Multiply%20Strings/Claude/README.html">文字列掛け算アルゴリズムの詳細解析<span class="file-path">Mathematics/Multiply Strings/leetcode/43. Multiply Strings/Claude/README.html</span></a></li>
@@ -360,8 +360,8 @@ <h1>Algorithm Study Index</h1>
 <li class="file-item"><a class="file-link" href="Mathematics/Fundamentals/HackerRank/Claude/Easy/moving-tiles-visualization.html">Moving Tiles - 重なり面積の時間逆算<span class="file-path">Mathematics/Fundamentals/HackerRank/Claude/Easy/moving-tiles-visualization.html</span></a></li>
 <li class="file-item"><a class="file-link" href="Mathematics/Combination%20Calculation/leetcode/62.%20Unique%20Paths/Claude/README.html">Robot Unique Paths - 技術解説<span class="file-path">Mathematics/Combination Calculation/leetcode/62. Unique Paths/Claude/README.html</span></a></li>
 <li class="file-item"><a class="file-link" href="Mathematics/Finite%20State%20Machine/leetcode/65.%20Valid%20Number/Claude/README.html">Valid Number Problem - 有限状態機械アルゴリズム解説<span class="file-path">Mathematics/Finite State Machine/leetcode/65. Valid Number/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Mathematics/Exponentiation%20by%20Squaring/leetcode/50.%20Pow%28x%2C%20n%29/Claude/README.html">pow(x, n) アルゴリズム解析<span class="file-path">Mathematics/Exponentiation by Squaring/leetcode/50. Pow(x, n)/Claude/README.html</span></a></li>
 <li class="file-item"><a class="file-link" href="Mathematics/Exponentiation%20by%20Squaring/leetcode/50.%20Pow%28x%2C%20n%29/Claude/README%20detailed.html">pow(x, n) アルゴリズム解析<span class="file-path">Mathematics/Exponentiation by Squaring/leetcode/50. Pow(x, n)/Claude/README detailed.html</span></a></li>
+<li class="file-item"><a class="file-link" href="Mathematics/Exponentiation%20by%20Squaring/leetcode/50.%20Pow%28x%2C%20n%29/Claude/README.html">pow(x, n) アルゴリズム解析<span class="file-path">Mathematics/Exponentiation by Squaring/leetcode/50. Pow(x, n)/Claude/README.html</span></a></li>
 <li class="file-item"><a class="file-link" href="Mathematics/Number%20Theory/HackerRank/Easy/Primitive_Problem.html">原始根の発見 - HackerRank問題解説<span class="file-path">Mathematics/Number Theory/HackerRank/Easy/Primitive_Problem.html</span></a></li>
 <li class="file-item"><a class="file-link" href="Mathematics/Other/atcoder/B45/README.html">整数を全て0にする問題 - 可視化デモ<span class="file-path">Mathematics/Other/atcoder/B45/README.html</span></a></li>
 <li class="file-item"><a class="file-link" href="Mathematics/Multiply%20Strings/leetcode/43.%20Multiply%20Strings/Claude/README.html">文字列掛け算アルゴリズムの詳細解析<span class="file-path">Mathematics/Multiply Strings/leetcode/43. Multiply Strings/Claude/README.html</span></a></li>
@@ -377,7 +377,7 @@ <h1>Algorithm Study Index</h1>
 
 
     <footer>
-        Generated on 2026-02-20 02:46:07 UTC
+        Generated on 2026-02-20 02:48:58 UTC
     </footer>
 
     <script>

From d62838a71c519b85857810bb994b15db0aa3e895 Mon Sep 17 00:00:00 2001
From: myoshizumi <myoshizumi@alumni.berklee.edu>
Date: Fri, 20 Feb 2026 12:19:28 +0900
Subject: [PATCH 03/14] feat: enhance index page with search, dark mode, and
 improved pagination

---
 generate_index.py |  683 +++++++++++++++++++++---
 public/index.html | 1280 +++++++++++++++++++++++++++++++--------------
 2 files changed, 1496 insertions(+), 467 deletions(-)

diff --git a/generate_index.py b/generate_index.py
index 3536eebd..156babcb 100644
--- a/generate_index.py
+++ b/generate_index.py
@@ -166,44 +166,454 @@ def generate_index(self) -> None:
         for cat in structure:
             structure[cat].sort(key=lambda x: x[0])
 
+        # カテゴリアイコンと合計数
+        category_icons = {
+            'All': '\U0001F30D',
+            'Algorithm': '\U0001F9E9',
+            'Concurrency': '\u26A1',
+            'DataStructures': '\U0001F3D7\uFE0F',
+            'JavaScript': '\U0001F4DC',
+            'Mathematics': '\U0001F4D0',
+            'SQL': '\U0001F5C3\uFE0F',
+        }
+        total_count = sum(len(v) for v in structure.values())
         current_time = datetime.datetime.now(datetime.timezone.utc).strftime("%Y-%m-%d %H:%M:%S UTC")
 
-        # HTML Template
+        # HTML Template — "Refined Lab" デザイン
         html_template = """<!DOCTYPE html>
-<html lang="en">
+<html lang="ja">
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>Algorithm Study Index</title>
+    <title>Algorithm Study Lab</title>
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+    <link href="https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700&family=JetBrains+Mono:wght@400&display=swap" rel="stylesheet">
     <style>
-        body {{ font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; background-color: #f5f5f7; }}
-        h1 {{ text-align: center; color: #2c3e50; margin-bottom: 30px; }}
-        .tabs {{ display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 20px; }}
-        .tab-button {{ padding: 10px 20px; border: none; background: #e0e0e0; cursor: pointer; border-radius: 5px; font-weight: 500; font-size: 16px; transition: all 0.3s ease; }}
-        .tab-button.active {{ background: #007bff; color: white; box-shadow: 0 2px 5px rgba(0,0,0,0.2); }}
-        .tab-button:hover:not(.active) {{ background: #d0d0d0; }}
-        .tab-content {{ display: none; animation: fadeIn 0.5s; }}
+        *, *::before, *::after {{ box-sizing: border-box; margin: 0; padding: 0; }}
+
+        :root {{
+            --bg-primary: #faf8f5;
+            --bg-card: #ffffff;
+            --text-primary: #2d3436;
+            --text-secondary: #636e72;
+            --text-muted: #b2bec3;
+            --border-light: #e0dcd7;
+            --shadow-color: rgba(0, 0, 0, 0.06);
+            --color-all: #6c5ce7;
+            --color-algorithm: #0984e3;
+            --color-concurrency: #e17055;
+            --color-datastructures: #00b894;
+            --color-javascript: #f0932b;
+            --color-mathematics: #a29bfe;
+            --color-sql: #fd79a8;
+            --color-all-light: #ede9fe;
+            --color-algorithm-light: #dbeafe;
+            --color-concurrency-light: #fee2d5;
+            --color-datastructures-light: #d1fae5;
+            --color-javascript-light: #fef3c7;
+            --color-mathematics-light: #e8e5fe;
+            --color-sql-light: #fce7f3;
+            --radius-sm: 8px;
+            --radius-md: 14px;
+            --radius-lg: 50px;
+            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+        }}
+
+        [data-theme="dark"] {{
+            --bg-primary: #13111a;
+            --bg-card: #1c1a27;
+            --text-primary: #e8e6f0;
+            --text-secondary: #9b99a9;
+            --text-muted: #5c5a6a;
+            --border-light: #2e2c3a;
+            --shadow-color: rgba(0, 0, 0, 0.4);
+            --color-all-light: #2d2654;
+            --color-algorithm-light: #0f2a4a;
+            --color-concurrency-light: #3a1a10;
+            --color-datastructures-light: #0a2e23;
+            --color-javascript-light: #3a2a10;
+            --color-mathematics-light: #2a2654;
+            --color-sql-light: #3a1a2e;
+        }}
+
+        body {{
+            font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
+            line-height: 1.6;
+            color: var(--text-primary);
+            max-width: 1280px;
+            margin: 0 auto;
+            padding: 20px 24px;
+            background-color: var(--bg-primary);
+            background-image: radial-gradient(circle, var(--border-light) 1px, transparent 1px);
+            background-size: 28px 28px;
+            min-height: 100vh;
+        }}
+
+        /* Theme Toggle */
+        .theme-toggle {{
+            position: fixed;
+            top: 20px;
+            right: 20px;
+            width: 46px;
+            height: 46px;
+            border-radius: 50%;
+            border: 2px solid var(--border-light);
+            background: var(--bg-card);
+            cursor: pointer;
+            font-size: 1.3rem;
+            display: flex;
+            align-items: center;
+            justify-content: center;
+            transition: all var(--transition);
+            z-index: 100;
+            box-shadow: 0 2px 12px var(--shadow-color);
+        }}
+        .theme-toggle:hover {{
+            transform: rotate(20deg) scale(1.1);
+            box-shadow: 0 4px 20px var(--shadow-color);
+        }}
+
+        /* Header */
+        .site-header {{
+            text-align: center;
+            padding: 48px 20px 32px;
+            position: relative;
+        }}
+        .header-badge {{
+            display: inline-block;
+            background: linear-gradient(135deg, var(--color-all), #a29bfe);
+            color: white;
+            padding: 4px 18px;
+            border-radius: 20px;
+            font-size: 0.7rem;
+            font-weight: 700;
+            letter-spacing: 3px;
+            text-transform: uppercase;
+            margin-bottom: 14px;
+        }}
+        .site-title {{
+            font-family: 'Outfit', sans-serif;
+            font-weight: 700;
+            font-size: 2.8rem;
+            color: var(--text-primary);
+            line-height: 1.15;
+        }}
+        .title-accent {{
+            background: linear-gradient(135deg, var(--color-all), var(--color-algorithm));
+            -webkit-background-clip: text;
+            -webkit-text-fill-color: transparent;
+            background-clip: text;
+        }}
+        .site-subtitle {{
+            color: var(--text-secondary);
+            font-size: 1rem;
+            margin-top: 10px;
+            font-weight: 400;
+        }}
+
+        /* Search */
+        .search-container {{
+            max-width: 620px;
+            margin: 0 auto 28px;
+            position: relative;
+            display: flex;
+            align-items: center;
+        }}
+        .search-icon {{
+            position: absolute;
+            left: 18px;
+            font-size: 1.1rem;
+            opacity: 0.4;
+            pointer-events: none;
+        }}
+        .search-input {{
+            width: 100%;
+            padding: 14px 90px 14px 48px;
+            border: 2px solid var(--border-light);
+            border-radius: var(--radius-lg);
+            font-family: 'Outfit', sans-serif;
+            font-size: 0.95rem;
+            background: var(--bg-card);
+            color: var(--text-primary);
+            transition: border-color var(--transition), box-shadow var(--transition);
+            outline: none;
+        }}
+        .search-input::placeholder {{ color: var(--text-muted); }}
+        .search-input:focus {{
+            border-color: var(--color-all);
+            box-shadow: 0 0 0 4px var(--color-all-light);
+        }}
+        .search-count {{
+            position: absolute;
+            right: 48px;
+            font-size: 0.78rem;
+            color: var(--text-muted);
+            font-weight: 500;
+        }}
+        .search-clear {{
+            position: absolute;
+            right: 14px;
+            background: none;
+            border: none;
+            font-size: 1.4rem;
+            cursor: pointer;
+            color: var(--text-muted);
+            padding: 4px 8px;
+            border-radius: 50%;
+            transition: all 0.2s;
+            display: none;
+        }}
+        .search-clear:hover {{
+            color: var(--text-primary);
+            background: var(--border-light);
+        }}
+
+        /* Tabs */
+        .tabs {{
+            display: flex;
+            flex-wrap: wrap;
+            justify-content: center;
+            gap: 8px;
+            margin-bottom: 28px;
+            padding: 0 16px;
+        }}
+        .tab-button {{
+            padding: 10px 20px;
+            border: 2px solid var(--border-light);
+            background: var(--bg-card);
+            cursor: pointer;
+            border-radius: var(--radius-lg);
+            font-family: 'Outfit', sans-serif;
+            font-weight: 600;
+            font-size: 0.88rem;
+            color: var(--text-secondary);
+            transition: all var(--transition);
+            display: inline-flex;
+            align-items: center;
+            gap: 6px;
+            white-space: nowrap;
+        }}
+        .tab-icon {{ font-size: 1.05em; }}
+        .tab-count {{
+            background: var(--border-light);
+            color: var(--text-muted);
+            padding: 1px 8px;
+            border-radius: 12px;
+            font-size: 0.72rem;
+            font-weight: 700;
+            transition: all var(--transition);
+        }}
+        .tab-button:hover:not(.active) {{
+            border-color: var(--text-muted);
+            transform: translateY(-1px);
+        }}
+        .tab-button.active .tab-count {{
+            background: rgba(255,255,255,0.25);
+            color: white;
+        }}
+
+        /* カテゴリ別アクティブカラー */
+        .tab-button[data-category="all"].active {{ background: var(--color-all); color: white; border-color: var(--color-all); box-shadow: 0 4px 16px rgba(108,92,231,0.35); }}
+        .tab-button[data-category="algorithm"].active {{ background: var(--color-algorithm); color: white; border-color: var(--color-algorithm); box-shadow: 0 4px 16px rgba(9,132,227,0.35); }}
+        .tab-button[data-category="concurrency"].active {{ background: var(--color-concurrency); color: white; border-color: var(--color-concurrency); box-shadow: 0 4px 16px rgba(225,112,85,0.35); }}
+        .tab-button[data-category="datastructures"].active {{ background: var(--color-datastructures); color: white; border-color: var(--color-datastructures); box-shadow: 0 4px 16px rgba(0,184,148,0.35); }}
+        .tab-button[data-category="javascript"].active {{ background: var(--color-javascript); color: white; border-color: var(--color-javascript); box-shadow: 0 4px 16px rgba(240,147,43,0.35); }}
+        .tab-button[data-category="mathematics"].active {{ background: var(--color-mathematics); color: white; border-color: var(--color-mathematics); box-shadow: 0 4px 16px rgba(162,155,254,0.35); }}
+        .tab-button[data-category="sql"].active {{ background: var(--color-sql); color: white; border-color: var(--color-sql); box-shadow: 0 4px 16px rgba(253,121,168,0.35); }}
+
+        /* Tab Content */
+        .tab-content {{ display: none; }}
         .tab-content.active {{ display: block; }}
-        @keyframes fadeIn {{ from {{ opacity: 0; }} to {{ opacity: 1; }} }}
-        .file-list {{ list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 15px; }}
-        .file-item {{ background: white; border-radius: 8px; box-shadow: 0 2px 5px rgba(0,0,0,0.05); transition: transform 0.2s; padding: 15px; border: 1px solid #eee; }}
-        .file-item:hover {{ transform: translateY(-3px); box-shadow: 0 5px 15px rgba(0,0,0,0.1); border-color: #007bff; }}
-        .file-link {{ text-decoration: none; color: #2c3e50; font-weight: 500; display: block; }}
-        .file-path {{ font-size: 0.8em; color: #7f8c8d; margin-top: 5px; display: block; word-break: break-all; }}
-        footer {{ margin-top: 50px; text-align: center; font-size: 0.9em; color: #777; border-top: 1px solid #ddd; padding-top: 20px; }}
-        .pagination {{ display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 30px; padding-bottom: 20px; }}
-        .page-button {{ padding: 8px 12px; border: 1px solid #ddd; background: white; cursor: pointer; border-radius: 5px; color: #007bff; font-weight: 500; transition: all 0.2s; }}
-        .page-button.active {{ background: #007bff; color: white; border-color: #007bff; }}
-        .page-button:hover:not(.active):not(:disabled) {{ background: #f0f8ff; }}
-        .page-button:disabled {{ opacity: 0.5; cursor: not-allowed; color: #999; border-color: #eee; }}
+
+        /* Card Grid */
+        .file-list {{
+            list-style: none;
+            padding: 0;
+            display: grid;
+            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
+            gap: 16px;
+        }}
+        .file-item {{
+            background: var(--bg-card);
+            border-radius: var(--radius-md);
+            box-shadow: 0 2px 8px var(--shadow-color);
+            transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
+            border: 1px solid var(--border-light);
+            border-left: 4px solid var(--border-light);
+            overflow: hidden;
+            opacity: 0;
+            transform: translateY(16px);
+            animation: cardSlideIn 0.4s ease forwards;
+        }}
+        .file-item[data-category="algorithm"] {{ border-left-color: var(--color-algorithm); }}
+        .file-item[data-category="concurrency"] {{ border-left-color: var(--color-concurrency); }}
+        .file-item[data-category="datastructures"] {{ border-left-color: var(--color-datastructures); }}
+        .file-item[data-category="javascript"] {{ border-left-color: var(--color-javascript); }}
+        .file-item[data-category="mathematics"] {{ border-left-color: var(--color-mathematics); }}
+        .file-item[data-category="sql"] {{ border-left-color: var(--color-sql); }}
+
+        .file-item:hover {{
+            transform: translateY(-4px) scale(1.01);
+            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
+        }}
+        .file-item[data-category="algorithm"]:hover {{ background: linear-gradient(135deg, var(--color-algorithm-light), var(--bg-card)); }}
+        .file-item[data-category="concurrency"]:hover {{ background: linear-gradient(135deg, var(--color-concurrency-light), var(--bg-card)); }}
+        .file-item[data-category="datastructures"]:hover {{ background: linear-gradient(135deg, var(--color-datastructures-light), var(--bg-card)); }}
+        .file-item[data-category="javascript"]:hover {{ background: linear-gradient(135deg, var(--color-javascript-light), var(--bg-card)); }}
+        .file-item[data-category="mathematics"]:hover {{ background: linear-gradient(135deg, var(--color-mathematics-light), var(--bg-card)); }}
+        .file-item[data-category="sql"]:hover {{ background: linear-gradient(135deg, var(--color-sql-light), var(--bg-card)); }}
+
+        @keyframes cardSlideIn {{
+            from {{ opacity: 0; transform: translateY(16px); }}
+            to {{ opacity: 1; transform: translateY(0); }}
+        }}
+
+        .file-link {{
+            text-decoration: none;
+            color: var(--text-primary);
+            display: block;
+            padding: 16px 18px;
+        }}
+        .card-header {{
+            display: flex;
+            align-items: flex-start;
+            gap: 8px;
+            margin-bottom: 6px;
+        }}
+        .card-icon {{
+            font-size: 1.25rem;
+            flex-shrink: 0;
+            line-height: 1.4;
+        }}
+        .card-title {{
+            font-family: 'Outfit', sans-serif;
+            font-weight: 600;
+            font-size: 0.92rem;
+            line-height: 1.45;
+            color: var(--text-primary);
+        }}
+        .file-path {{
+            font-family: 'JetBrains Mono', monospace;
+            font-size: 0.7rem;
+            color: var(--text-muted);
+            margin-top: 4px;
+            display: block;
+            word-break: break-all;
+            line-height: 1.5;
+        }}
+
+        /* Pagination */
+        .pagination {{
+            display: flex;
+            justify-content: center;
+            align-items: center;
+            gap: 6px;
+            margin-top: 32px;
+            padding-bottom: 24px;
+        }}
+        .page-button {{
+            padding: 8px 14px;
+            border: 1px solid var(--border-light);
+            background: var(--bg-card);
+            cursor: pointer;
+            border-radius: 10px;
+            color: var(--text-secondary);
+            font-family: 'Outfit', sans-serif;
+            font-weight: 600;
+            font-size: 0.88rem;
+            transition: all 0.2s;
+        }}
+        .page-button.active {{
+            background: var(--color-all);
+            color: white;
+            border-color: var(--color-all);
+            box-shadow: 0 2px 8px rgba(108, 92, 231, 0.3);
+        }}
+        .page-button:hover:not(.active):not(:disabled) {{
+            background: var(--color-all-light);
+            border-color: var(--color-all);
+            color: var(--color-all);
+        }}
+        .page-button:disabled {{
+            opacity: 0.35;
+            cursor: not-allowed;
+        }}
+        .page-ellipsis {{
+            color: var(--text-muted);
+            font-weight: 600;
+            padding: 0 4px;
+        }}
+
         .hidden-item {{ display: none !important; }}
+
+        /* Footer */
+        footer {{
+            margin-top: 60px;
+            text-align: center;
+            font-size: 0.82rem;
+            color: var(--text-muted);
+            border-top: 1px dashed var(--border-light);
+            padding: 24px 20px;
+        }}
+        .footer-icon {{ margin-right: 4px; }}
+
+        /* No Results */
+        .no-results {{
+            text-align: center;
+            padding: 60px 20px;
+            color: var(--text-muted);
+            font-size: 1.1rem;
+            display: none;
+        }}
+        .no-results-icon {{ font-size: 2.5rem; display: block; margin-bottom: 12px; }}
+
+        /* Responsive */
+        @media (max-width: 768px) {{
+            .site-title {{ font-size: 2rem; }}
+            .file-list {{ grid-template-columns: 1fr; gap: 12px; }}
+            .tabs {{ gap: 6px; }}
+            .tab-button {{ padding: 8px 14px; font-size: 0.8rem; }}
+            .search-input {{ padding: 12px 80px 12px 42px; font-size: 0.9rem; }}
+            .theme-toggle {{ top: 12px; right: 12px; width: 40px; height: 40px; font-size: 1.1rem; }}
+        }}
+        @media (max-width: 480px) {{
+            body {{ padding: 12px; }}
+            .site-title {{ font-size: 1.6rem; }}
+            .site-header {{ padding: 36px 12px 24px; }}
+            .tab-button {{ padding: 6px 10px; font-size: 0.75rem; }}
+            .tab-count {{ display: none; }}
+            .file-list {{ grid-template-columns: 1fr; }}
+        }}
     </style>
 </head>
 <body>
-    <h1>Algorithm Study Index</h1>
+    <button id="themeToggle" class="theme-toggle" aria-label="Toggle dark mode">
+        <span id="themeIcon">\u263E</span>
+    </button>
+
+    <header class="site-header">
+        <div class="header-badge">Lab</div>
+        <h1 class="site-title">
+            \U0001F9EA Algorithm Study
+            <span class="title-accent">Index</span>
+        </h1>
+        <p class="site-subtitle">{total_count} interactive lessons across 6 domains</p>
+    </header>
+
+    <div class="search-container">
+        <span class="search-icon">\U0001F50D</span>
+        <input type="text" id="searchInput" class="search-input"
+               placeholder="Search problems... (e.g. Binary Search, DP, LeetCode 91)"
+               autocomplete="off">
+        <span id="searchCount" class="search-count"></span>
+        <button id="searchClear" class="search-clear" aria-label="Clear search">\u00D7</button>
+    </div>
 
     <div class="tabs" id="categoryTabs">
-        <button class="tab-button active" onclick="openTab(event, 'All')">All</button>
+        <button class="tab-button active" data-category="all" onclick="openTab(event, 'All')">
+            <span class="tab-icon">\U0001F30D</span> All <span class="tab-count">{total_count}</span>
+        </button>
         {tabs}
     </div>
 
@@ -211,11 +621,13 @@ def generate_index(self) -> None:
         <ul class="file-list">
             {all_files}
         </ul>
+        <div class="no-results"><span class="no-results-icon">\U0001F50E</span>No results found</div>
     </div>
 
     {tab_contents}
 
     <footer>
+        <span class="footer-icon">\U0001F9EA</span>
         Generated on {timestamp}
     </footer>
 
@@ -223,9 +635,9 @@ def generate_index(self) -> None:
         const ITEMS_PER_PAGE = 12;
         let currentPages = {{}};
 
+        /* Pagination */
         function initPagination() {{
-            const tabs = document.querySelectorAll('.tab-content');
-            tabs.forEach(tab => {{
+            document.querySelectorAll('.tab-content').forEach(tab => {{
                 currentPages[tab.id] = 1;
                 renderPage(tab.id);
             }});
@@ -233,10 +645,16 @@ def generate_index(self) -> None:
 
         function renderPage(tabId) {{
             const tab = document.getElementById(tabId);
-            const items = tab.querySelectorAll('.file-item');
+            const allItems = Array.from(tab.querySelectorAll('.file-item'));
+            const items = allItems.filter(item => item.dataset.searchHidden !== 'true');
+            const hiddenBySearch = allItems.filter(item => item.dataset.searchHidden === 'true');
+
+            hiddenBySearch.forEach(item => item.classList.add('hidden-item'));
+
             const totalItems = items.length;
-            const totalPages = Math.ceil(totalItems / ITEMS_PER_PAGE);
-            const currentPage = currentPages[tabId];
+            const totalPages = Math.max(1, Math.ceil(totalItems / ITEMS_PER_PAGE));
+            const currentPage = Math.min(currentPages[tabId] || 1, totalPages);
+            currentPages[tabId] = currentPage;
 
             items.forEach((item, index) => {{
                 const start = (currentPage - 1) * ITEMS_PER_PAGE;
@@ -248,92 +666,190 @@ def generate_index(self) -> None:
                 }}
             }});
 
+            const noResults = tab.querySelector('.no-results');
+            if (noResults) {{
+                noResults.style.display = totalItems === 0 ? 'block' : 'none';
+            }}
+
             renderPaginationControls(tabId, totalPages, currentPage);
+            applyStaggerAnimation(tabId);
         }}
 
         function renderPaginationControls(tabId, totalPages, currentPage) {{
             const tab = document.getElementById(tabId);
-            let paginationContainer = tab.querySelector('.pagination');
+            let container = tab.querySelector('.pagination');
 
-            if (!paginationContainer) {{
-                paginationContainer = document.createElement('div');
-                paginationContainer.className = 'pagination';
-                tab.appendChild(paginationContainer);
+            if (!container) {{
+                container = document.createElement('div');
+                container.className = 'pagination';
+                tab.appendChild(container);
             }}
-
-            paginationContainer.innerHTML = '';
+            while (container.firstChild) container.removeChild(container.firstChild);
 
             if (totalPages <= 1) return;
 
             const prevBtn = document.createElement('button');
             prevBtn.className = 'page-button';
-            prevBtn.innerHTML = '&laquo; Prev';
+            prevBtn.textContent = '\u00AB Prev';
             prevBtn.disabled = currentPage === 1;
-            prevBtn.onclick = () => {{
-                currentPages[tabId]--;
-                renderPage(tabId);
-                window.scrollTo({{ top: 0, behavior: 'smooth' }});
-            }};
-            paginationContainer.appendChild(prevBtn);
+            prevBtn.onclick = () => {{ currentPages[tabId]--; renderPage(tabId); window.scrollTo({{ top: 0, behavior: 'smooth' }}); }};
+            container.appendChild(prevBtn);
 
             for (let i = 1; i <= totalPages; i++) {{
-                // Optional: Ellipsis logic for many pages
                 if (totalPages > 7) {{
                     if (i !== 1 && i !== totalPages && Math.abs(i - currentPage) > 1) {{
                         if (i === 2 || i === totalPages - 1) {{
-                            const ellipsis = document.createElement('span');
-                            ellipsis.textContent = '...';
-                            paginationContainer.appendChild(ellipsis);
+                            const el = document.createElement('span');
+                            el.className = 'page-ellipsis';
+                            el.textContent = '...';
+                            container.appendChild(el);
                         }}
                         continue;
                     }}
                 }}
-
-                const pageBtn = document.createElement('button');
-                pageBtn.className = 'page-button';
-                pageBtn.textContent = i;
-                if (i === currentPage) pageBtn.classList.add('active');
-                pageBtn.onclick = () => {{
-                    currentPages[tabId] = i;
-                    renderPage(tabId);
-                    window.scrollTo({{ top: 0, behavior: 'smooth' }});
-                }};
-                paginationContainer.appendChild(pageBtn);
+                const btn = document.createElement('button');
+                btn.className = 'page-button';
+                btn.textContent = i;
+                if (i === currentPage) btn.classList.add('active');
+                btn.onclick = () => {{ currentPages[tabId] = i; renderPage(tabId); window.scrollTo({{ top: 0, behavior: 'smooth' }}); }};
+                container.appendChild(btn);
             }}
 
             const nextBtn = document.createElement('button');
             nextBtn.className = 'page-button';
-            nextBtn.innerHTML = 'Next &raquo;';
+            nextBtn.textContent = 'Next \u00BB';
             nextBtn.disabled = currentPage === totalPages;
-            nextBtn.onclick = () => {{
-                currentPages[tabId]++;
-                renderPage(tabId);
-                window.scrollTo({{ top: 0, behavior: 'smooth' }});
-            }};
-            paginationContainer.appendChild(nextBtn);
+            nextBtn.onclick = () => {{ currentPages[tabId]++; renderPage(tabId); window.scrollTo({{ top: 0, behavior: 'smooth' }}); }};
+            container.appendChild(nextBtn);
         }}
 
+        /* Stagger Animation */
+        function applyStaggerAnimation(tabId) {{
+            const tab = document.getElementById(tabId);
+            const items = tab.querySelectorAll('.file-item:not(.hidden-item)');
+            items.forEach((item, i) => {{
+                item.style.animation = 'none';
+                item.offsetHeight;
+                item.style.animation = '';
+                item.style.animationDelay = (i * 0.04) + 's';
+            }});
+        }}
+
+        /* Tab Navigation */
         function openTab(evt, categoryName) {{
-            var i, tabcontent, tablinks;
-            tabcontent = document.getElementsByClassName("tab-content");
-            for (i = 0; i < tabcontent.length; i++) {{
-                tabcontent[i].style.display = "none";
-                tabcontent[i].classList.remove("active");
+            document.querySelectorAll('.tab-content').forEach(tc => {{
+                tc.style.display = 'none';
+                tc.classList.remove('active');
+            }});
+            document.querySelectorAll('.tab-button').forEach(tb => {{
+                tb.classList.remove('active');
+            }});
+
+            const target = document.getElementById(categoryName);
+            target.style.display = 'block';
+            target.classList.add('active');
+            evt.currentTarget.classList.add('active');
+
+            const input = document.getElementById('searchInput');
+            if (input.value) {{
+                input.value = '';
+                document.getElementById('searchClear').style.display = 'none';
+                document.getElementById('searchCount').textContent = '';
+                clearSearchFilter(categoryName);
+            }}
+
+            currentPages[categoryName] = currentPages[categoryName] || 1;
+            renderPage(categoryName);
+        }}
+
+        function clearSearchFilter(tabId) {{
+            const tab = document.getElementById(tabId);
+            tab.querySelectorAll('.file-item').forEach(item => {{
+                delete item.dataset.searchHidden;
+            }});
+        }}
+
+        /* Search */
+        function initSearch() {{
+            const input = document.getElementById('searchInput');
+            const clearBtn = document.getElementById('searchClear');
+            const countEl = document.getElementById('searchCount');
+            let debounceTimer;
+
+            input.addEventListener('input', () => {{
+                clearTimeout(debounceTimer);
+                debounceTimer = setTimeout(() => filterCards(input.value), 150);
+                clearBtn.style.display = input.value ? 'block' : 'none';
+            }});
+
+            clearBtn.addEventListener('click', () => {{
+                input.value = '';
+                clearBtn.style.display = 'none';
+                countEl.textContent = '';
+                const activeTab = document.querySelector('.tab-content.active');
+                if (activeTab) {{
+                    clearSearchFilter(activeTab.id);
+                    currentPages[activeTab.id] = 1;
+                    renderPage(activeTab.id);
+                }}
+            }});
+
+            function filterCards(query) {{
+                const q = query.toLowerCase().trim();
+                const activeTab = document.querySelector('.tab-content.active');
+                if (!activeTab) return;
+
+                const items = activeTab.querySelectorAll('.file-item');
+                let visible = 0;
+
+                items.forEach(item => {{
+                    const text = item.textContent.toLowerCase();
+                    const match = !q || text.includes(q);
+                    if (match) {{
+                        delete item.dataset.searchHidden;
+                        visible++;
+                    }} else {{
+                        item.dataset.searchHidden = 'true';
+                    }}
+                }});
+
+                countEl.textContent = q ? visible + ' found' : '';
+                currentPages[activeTab.id] = 1;
+                renderPage(activeTab.id);
             }}
-            tablinks = document.getElementsByClassName("tab-button");
-            for (i = 0; i < tablinks.length; i++) {{
-                tablinks[i].className = tablinks[i].className.replace(" active", "");
+        }}
+
+        /* Dark Mode */
+        function initTheme() {{
+            const toggle = document.getElementById('themeToggle');
+            const icon = document.getElementById('themeIcon');
+            const saved = localStorage.getItem('algo-study-theme');
+
+            if (saved === 'dark' || (!saved && window.matchMedia('(prefers-color-scheme: dark)').matches)) {{
+                document.documentElement.setAttribute('data-theme', 'dark');
+                icon.textContent = '\u2600';
             }}
-            document.getElementById(categoryName).style.display = "block";
-            document.getElementById(categoryName).classList.add("active");
-            evt.currentTarget.className += " active";
+
+            toggle.addEventListener('click', () => {{
+                const isDark = document.documentElement.getAttribute('data-theme') === 'dark';
+                const next = isDark ? 'light' : 'dark';
+                document.documentElement.setAttribute('data-theme', next);
+                icon.textContent = next === 'dark' ? '\u2600' : '\u263E';
+                localStorage.setItem('algo-study-theme', next);
+            }});
         }}
 
-        window.addEventListener('DOMContentLoaded', initPagination);
+        /* Init */
+        window.addEventListener('DOMContentLoaded', () => {{
+            initTheme();
+            initPagination();
+            initSearch();
+        }});
     </script>
 </body>
 </html>"""
 
+        # HTML生成
         tabs_html = ""
         tab_contents_html = ""
         all_files_html = ""
@@ -341,24 +857,27 @@ def generate_index(self) -> None:
         for category in sorted_categories:
             files = structure[category]
             count = len(files)
-            tabs_html += f'<button class="tab-button" onclick="openTab(event, \'{category}\')">{category} ({count})</button>\n'
+            icon = category_icons.get(category, '')
+            css_cat = category.lower()
+
+            tabs_html += f'<button class="tab-button" data-category="{css_cat}" onclick="openTab(event, \'{category}\')"><span class="tab-icon">{icon}</span> {category} <span class="tab-count">{count}</span></button>\n'
 
             file_list_html = '<ul class="file-list">\n'
             for title, path in files:
-                # Use urllib.parse.quote to handle spaces and special chars in URL
                 encoded_path = urllib.parse.quote(path)
-                item_html = f'<li class="file-item"><a class="file-link" href="{encoded_path}">{title}<span class="file-path">{path}</span></a></li>\n'
+                item_html = f'<li class="file-item" data-category="{css_cat}"><a class="file-link" href="{encoded_path}"><span class="card-header"><span class="card-icon">{icon}</span><span class="card-title">{title}</span></span><span class="file-path">{path}</span></a></li>\n'
                 file_list_html += item_html
                 all_files_html += item_html
             file_list_html += '</ul>'
 
-            tab_contents_html += f'<div id="{category}" class="tab-content">\n{file_list_html}\n</div>\n'
+            tab_contents_html += f'<div id="{category}" class="tab-content">\n{file_list_html}\n<div class="no-results"><span class="no-results-icon">\U0001F50E</span>No results found</div>\n</div>\n'
 
         final_html = html_template.format(
             tabs=tabs_html,
             all_files=all_files_html,
             tab_contents=tab_contents_html,
-            timestamp=current_time
+            timestamp=current_time,
+            total_count=total_count,
         )
 
         output_index_path = os.path.join(output_dir, index_file)
diff --git a/public/index.html b/public/index.html
index 9b8db076..b3eb1bea 100644
--- a/public/index.html
+++ b/public/index.html
@@ -1,392 +1,799 @@
 <!DOCTYPE html>
-<html lang="en">
+<html lang="ja">
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>Algorithm Study Index</title>
+    <title>Algorithm Study Lab</title>
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+    <link href="https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700&family=JetBrains+Mono:wght@400&display=swap" rel="stylesheet">
     <style>
-        body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; background-color: #f5f5f7; }
-        h1 { text-align: center; color: #2c3e50; margin-bottom: 30px; }
-        .tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 20px; }
-        .tab-button { padding: 10px 20px; border: none; background: #e0e0e0; cursor: pointer; border-radius: 5px; font-weight: 500; font-size: 16px; transition: all 0.3s ease; }
-        .tab-button.active { background: #007bff; color: white; box-shadow: 0 2px 5px rgba(0,0,0,0.2); }
-        .tab-button:hover:not(.active) { background: #d0d0d0; }
-        .tab-content { display: none; animation: fadeIn 0.5s; }
+        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
+
+        :root {
+            --bg-primary: #faf8f5;
+            --bg-card: #ffffff;
+            --text-primary: #2d3436;
+            --text-secondary: #636e72;
+            --text-muted: #b2bec3;
+            --border-light: #e0dcd7;
+            --shadow-color: rgba(0, 0, 0, 0.06);
+            --color-all: #6c5ce7;
+            --color-algorithm: #0984e3;
+            --color-concurrency: #e17055;
+            --color-datastructures: #00b894;
+            --color-javascript: #f0932b;
+            --color-mathematics: #a29bfe;
+            --color-sql: #fd79a8;
+            --color-all-light: #ede9fe;
+            --color-algorithm-light: #dbeafe;
+            --color-concurrency-light: #fee2d5;
+            --color-datastructures-light: #d1fae5;
+            --color-javascript-light: #fef3c7;
+            --color-mathematics-light: #e8e5fe;
+            --color-sql-light: #fce7f3;
+            --radius-sm: 8px;
+            --radius-md: 14px;
+            --radius-lg: 50px;
+            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+        }
+
+        [data-theme="dark"] {
+            --bg-primary: #13111a;
+            --bg-card: #1c1a27;
+            --text-primary: #e8e6f0;
+            --text-secondary: #9b99a9;
+            --text-muted: #5c5a6a;
+            --border-light: #2e2c3a;
+            --shadow-color: rgba(0, 0, 0, 0.4);
+            --color-all-light: #2d2654;
+            --color-algorithm-light: #0f2a4a;
+            --color-concurrency-light: #3a1a10;
+            --color-datastructures-light: #0a2e23;
+            --color-javascript-light: #3a2a10;
+            --color-mathematics-light: #2a2654;
+            --color-sql-light: #3a1a2e;
+        }
+
+        body {
+            font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
+            line-height: 1.6;
+            color: var(--text-primary);
+            max-width: 1280px;
+            margin: 0 auto;
+            padding: 20px 24px;
+            background-color: var(--bg-primary);
+            background-image: radial-gradient(circle, var(--border-light) 1px, transparent 1px);
+            background-size: 28px 28px;
+            min-height: 100vh;
+        }
+
+        /* Theme Toggle */
+        .theme-toggle {
+            position: fixed;
+            top: 20px;
+            right: 20px;
+            width: 46px;
+            height: 46px;
+            border-radius: 50%;
+            border: 2px solid var(--border-light);
+            background: var(--bg-card);
+            cursor: pointer;
+            font-size: 1.3rem;
+            display: flex;
+            align-items: center;
+            justify-content: center;
+            transition: all var(--transition);
+            z-index: 100;
+            box-shadow: 0 2px 12px var(--shadow-color);
+        }
+        .theme-toggle:hover {
+            transform: rotate(20deg) scale(1.1);
+            box-shadow: 0 4px 20px var(--shadow-color);
+        }
+
+        /* Header */
+        .site-header {
+            text-align: center;
+            padding: 48px 20px 32px;
+            position: relative;
+        }
+        .header-badge {
+            display: inline-block;
+            background: linear-gradient(135deg, var(--color-all), #a29bfe);
+            color: white;
+            padding: 4px 18px;
+            border-radius: 20px;
+            font-size: 0.7rem;
+            font-weight: 700;
+            letter-spacing: 3px;
+            text-transform: uppercase;
+            margin-bottom: 14px;
+        }
+        .site-title {
+            font-family: 'Outfit', sans-serif;
+            font-weight: 700;
+            font-size: 2.8rem;
+            color: var(--text-primary);
+            line-height: 1.15;
+        }
+        .title-accent {
+            background: linear-gradient(135deg, var(--color-all), var(--color-algorithm));
+            -webkit-background-clip: text;
+            -webkit-text-fill-color: transparent;
+            background-clip: text;
+        }
+        .site-subtitle {
+            color: var(--text-secondary);
+            font-size: 1rem;
+            margin-top: 10px;
+            font-weight: 400;
+        }
+
+        /* Search */
+        .search-container {
+            max-width: 620px;
+            margin: 0 auto 28px;
+            position: relative;
+            display: flex;
+            align-items: center;
+        }
+        .search-icon {
+            position: absolute;
+            left: 18px;
+            font-size: 1.1rem;
+            opacity: 0.4;
+            pointer-events: none;
+        }
+        .search-input {
+            width: 100%;
+            padding: 14px 90px 14px 48px;
+            border: 2px solid var(--border-light);
+            border-radius: var(--radius-lg);
+            font-family: 'Outfit', sans-serif;
+            font-size: 0.95rem;
+            background: var(--bg-card);
+            color: var(--text-primary);
+            transition: border-color var(--transition), box-shadow var(--transition);
+            outline: none;
+        }
+        .search-input::placeholder { color: var(--text-muted); }
+        .search-input:focus {
+            border-color: var(--color-all);
+            box-shadow: 0 0 0 4px var(--color-all-light);
+        }
+        .search-count {
+            position: absolute;
+            right: 48px;
+            font-size: 0.78rem;
+            color: var(--text-muted);
+            font-weight: 500;
+        }
+        .search-clear {
+            position: absolute;
+            right: 14px;
+            background: none;
+            border: none;
+            font-size: 1.4rem;
+            cursor: pointer;
+            color: var(--text-muted);
+            padding: 4px 8px;
+            border-radius: 50%;
+            transition: all 0.2s;
+            display: none;
+        }
+        .search-clear:hover {
+            color: var(--text-primary);
+            background: var(--border-light);
+        }
+
+        /* Tabs */
+        .tabs {
+            display: flex;
+            flex-wrap: wrap;
+            justify-content: center;
+            gap: 8px;
+            margin-bottom: 28px;
+            padding: 0 16px;
+        }
+        .tab-button {
+            padding: 10px 20px;
+            border: 2px solid var(--border-light);
+            background: var(--bg-card);
+            cursor: pointer;
+            border-radius: var(--radius-lg);
+            font-family: 'Outfit', sans-serif;
+            font-weight: 600;
+            font-size: 0.88rem;
+            color: var(--text-secondary);
+            transition: all var(--transition);
+            display: inline-flex;
+            align-items: center;
+            gap: 6px;
+            white-space: nowrap;
+        }
+        .tab-icon { font-size: 1.05em; }
+        .tab-count {
+            background: var(--border-light);
+            color: var(--text-muted);
+            padding: 1px 8px;
+            border-radius: 12px;
+            font-size: 0.72rem;
+            font-weight: 700;
+            transition: all var(--transition);
+        }
+        .tab-button:hover:not(.active) {
+            border-color: var(--text-muted);
+            transform: translateY(-1px);
+        }
+        .tab-button.active .tab-count {
+            background: rgba(255,255,255,0.25);
+            color: white;
+        }
+
+        /* カテゴリ別アクティブカラー */
+        .tab-button[data-category="all"].active { background: var(--color-all); color: white; border-color: var(--color-all); box-shadow: 0 4px 16px rgba(108,92,231,0.35); }
+        .tab-button[data-category="algorithm"].active { background: var(--color-algorithm); color: white; border-color: var(--color-algorithm); box-shadow: 0 4px 16px rgba(9,132,227,0.35); }
+        .tab-button[data-category="concurrency"].active { background: var(--color-concurrency); color: white; border-color: var(--color-concurrency); box-shadow: 0 4px 16px rgba(225,112,85,0.35); }
+        .tab-button[data-category="datastructures"].active { background: var(--color-datastructures); color: white; border-color: var(--color-datastructures); box-shadow: 0 4px 16px rgba(0,184,148,0.35); }
+        .tab-button[data-category="javascript"].active { background: var(--color-javascript); color: white; border-color: var(--color-javascript); box-shadow: 0 4px 16px rgba(240,147,43,0.35); }
+        .tab-button[data-category="mathematics"].active { background: var(--color-mathematics); color: white; border-color: var(--color-mathematics); box-shadow: 0 4px 16px rgba(162,155,254,0.35); }
+        .tab-button[data-category="sql"].active { background: var(--color-sql); color: white; border-color: var(--color-sql); box-shadow: 0 4px 16px rgba(253,121,168,0.35); }
+
+        /* Tab Content */
+        .tab-content { display: none; }
         .tab-content.active { display: block; }
-        @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
-        .file-list { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 15px; }
-        .file-item { background: white; border-radius: 8px; box-shadow: 0 2px 5px rgba(0,0,0,0.05); transition: transform 0.2s; padding: 15px; border: 1px solid #eee; }
-        .file-item:hover { transform: translateY(-3px); box-shadow: 0 5px 15px rgba(0,0,0,0.1); border-color: #007bff; }
-        .file-link { text-decoration: none; color: #2c3e50; font-weight: 500; display: block; }
-        .file-path { font-size: 0.8em; color: #7f8c8d; margin-top: 5px; display: block; word-break: break-all; }
-        footer { margin-top: 50px; text-align: center; font-size: 0.9em; color: #777; border-top: 1px solid #ddd; padding-top: 20px; }
-        .pagination { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 30px; padding-bottom: 20px; }
-        .page-button { padding: 8px 12px; border: 1px solid #ddd; background: white; cursor: pointer; border-radius: 5px; color: #007bff; font-weight: 500; transition: all 0.2s; }
-        .page-button.active { background: #007bff; color: white; border-color: #007bff; }
-        .page-button:hover:not(.active):not(:disabled) { background: #f0f8ff; }
-        .page-button:disabled { opacity: 0.5; cursor: not-allowed; color: #999; border-color: #eee; }
+
+        /* Card Grid */
+        .file-list {
+            list-style: none;
+            padding: 0;
+            display: grid;
+            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
+            gap: 16px;
+        }
+        .file-item {
+            background: var(--bg-card);
+            border-radius: var(--radius-md);
+            box-shadow: 0 2px 8px var(--shadow-color);
+            transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
+            border: 1px solid var(--border-light);
+            border-left: 4px solid var(--border-light);
+            overflow: hidden;
+            opacity: 0;
+            transform: translateY(16px);
+            animation: cardSlideIn 0.4s ease forwards;
+        }
+        .file-item[data-category="algorithm"] { border-left-color: var(--color-algorithm); }
+        .file-item[data-category="concurrency"] { border-left-color: var(--color-concurrency); }
+        .file-item[data-category="datastructures"] { border-left-color: var(--color-datastructures); }
+        .file-item[data-category="javascript"] { border-left-color: var(--color-javascript); }
+        .file-item[data-category="mathematics"] { border-left-color: var(--color-mathematics); }
+        .file-item[data-category="sql"] { border-left-color: var(--color-sql); }
+
+        .file-item:hover {
+            transform: translateY(-4px) scale(1.01);
+            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
+        }
+        .file-item[data-category="algorithm"]:hover { background: linear-gradient(135deg, var(--color-algorithm-light), var(--bg-card)); }
+        .file-item[data-category="concurrency"]:hover { background: linear-gradient(135deg, var(--color-concurrency-light), var(--bg-card)); }
+        .file-item[data-category="datastructures"]:hover { background: linear-gradient(135deg, var(--color-datastructures-light), var(--bg-card)); }
+        .file-item[data-category="javascript"]:hover { background: linear-gradient(135deg, var(--color-javascript-light), var(--bg-card)); }
+        .file-item[data-category="mathematics"]:hover { background: linear-gradient(135deg, var(--color-mathematics-light), var(--bg-card)); }
+        .file-item[data-category="sql"]:hover { background: linear-gradient(135deg, var(--color-sql-light), var(--bg-card)); }
+
+        @keyframes cardSlideIn {
+            from { opacity: 0; transform: translateY(16px); }
+            to { opacity: 1; transform: translateY(0); }
+        }
+
+        .file-link {
+            text-decoration: none;
+            color: var(--text-primary);
+            display: block;
+            padding: 16px 18px;
+        }
+        .card-header {
+            display: flex;
+            align-items: flex-start;
+            gap: 8px;
+            margin-bottom: 6px;
+        }
+        .card-icon {
+            font-size: 1.25rem;
+            flex-shrink: 0;
+            line-height: 1.4;
+        }
+        .card-title {
+            font-family: 'Outfit', sans-serif;
+            font-weight: 600;
+            font-size: 0.92rem;
+            line-height: 1.45;
+            color: var(--text-primary);
+        }
+        .file-path {
+            font-family: 'JetBrains Mono', monospace;
+            font-size: 0.7rem;
+            color: var(--text-muted);
+            margin-top: 4px;
+            display: block;
+            word-break: break-all;
+            line-height: 1.5;
+        }
+
+        /* Pagination */
+        .pagination {
+            display: flex;
+            justify-content: center;
+            align-items: center;
+            gap: 6px;
+            margin-top: 32px;
+            padding-bottom: 24px;
+        }
+        .page-button {
+            padding: 8px 14px;
+            border: 1px solid var(--border-light);
+            background: var(--bg-card);
+            cursor: pointer;
+            border-radius: 10px;
+            color: var(--text-secondary);
+            font-family: 'Outfit', sans-serif;
+            font-weight: 600;
+            font-size: 0.88rem;
+            transition: all 0.2s;
+        }
+        .page-button.active {
+            background: var(--color-all);
+            color: white;
+            border-color: var(--color-all);
+            box-shadow: 0 2px 8px rgba(108, 92, 231, 0.3);
+        }
+        .page-button:hover:not(.active):not(:disabled) {
+            background: var(--color-all-light);
+            border-color: var(--color-all);
+            color: var(--color-all);
+        }
+        .page-button:disabled {
+            opacity: 0.35;
+            cursor: not-allowed;
+        }
+        .page-ellipsis {
+            color: var(--text-muted);
+            font-weight: 600;
+            padding: 0 4px;
+        }
+
         .hidden-item { display: none !important; }
+
+        /* Footer */
+        footer {
+            margin-top: 60px;
+            text-align: center;
+            font-size: 0.82rem;
+            color: var(--text-muted);
+            border-top: 1px dashed var(--border-light);
+            padding: 24px 20px;
+        }
+        .footer-icon { margin-right: 4px; }
+
+        /* No Results */
+        .no-results {
+            text-align: center;
+            padding: 60px 20px;
+            color: var(--text-muted);
+            font-size: 1.1rem;
+            display: none;
+        }
+        .no-results-icon { font-size: 2.5rem; display: block; margin-bottom: 12px; }
+
+        /* Responsive */
+        @media (max-width: 768px) {
+            .site-title { font-size: 2rem; }
+            .file-list { grid-template-columns: 1fr; gap: 12px; }
+            .tabs { gap: 6px; }
+            .tab-button { padding: 8px 14px; font-size: 0.8rem; }
+            .search-input { padding: 12px 80px 12px 42px; font-size: 0.9rem; }
+            .theme-toggle { top: 12px; right: 12px; width: 40px; height: 40px; font-size: 1.1rem; }
+        }
+        @media (max-width: 480px) {
+            body { padding: 12px; }
+            .site-title { font-size: 1.6rem; }
+            .site-header { padding: 36px 12px 24px; }
+            .tab-button { padding: 6px 10px; font-size: 0.75rem; }
+            .tab-count { display: none; }
+            .file-list { grid-template-columns: 1fr; }
+        }
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+        <span class="search-icon">🔍</span>
+        <input type="text" id="searchInput" class="search-input"
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         <ul class="file-list">
-            <li class="file-item"><a class="file-link" href="Algorithm/DynamicProgramming/leetcode/44.%20Wildcard%20Matching/GPT/README-O%28n%29%20.html">1次元DP ワイルドカードパターンマッチング解析<span class="file-path">Algorithm/DynamicProgramming/leetcode/44. Wildcard Matching/GPT/README-O(n) .html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/BinarySearch/leetcode/74.%20Search%20a%202D%20Matrix/Claude/README.html">2D Matrix Binary Search - 技術解説<span class="file-path">Algorithm/BinarySearch/leetcode/74. Search a 2D Matrix/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/CumulativeSum/CumulativeSum2D/other/README.html">2D累積和による長方形領域和計算<span class="file-path">Algorithm/CumulativeSum/CumulativeSum2D/other/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Rolling%20Hash/atcoder/B56/Claude/README.html">BigInt + 二重ハッシュアルゴリズム詳細解析<span class="file-path">Algorithm/Rolling Hash/atcoder/B56/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/BinarySearch/leetcode/35.%20Search%20Insert%20Position/README.html">Binary Search Algorithm Analysis<span class="file-path">Algorithm/BinarySearch/leetcode/35. Search Insert Position/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/BinarySearch/leetcode/34.%20Find%20First%20and%20Last%20Position%20of%20Element%20in%20Sorted%20Array/README.html">Binary Search Range Visualization<span class="file-path">Algorithm/BinarySearch/leetcode/34. Find First and Last Position of Element in Sorted Array/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/BinarySearch/atCoder/B55/Claude/README.html">Card Query Algorithm Analysis<span class="file-path">Algorithm/BinarySearch/atCoder/B55/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Backtracking/leetcode/40.%20Combination%20Sum%20II/Claude/README.html">Combination Sum II アルゴリズム解析<span class="file-path">Algorithm/Backtracking/leetcode/40. Combination Sum II/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Backtracking/leetcode/39.%20Combination%20Sum/Claude/README.html">Combination Sum アルゴリズム解析<span class="file-path">Algorithm/Backtracking/leetcode/39. Combination Sum/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Run%20Length%20Encoding/leetcode/38.%20Count%20and%20Say/Claude/README.html">Count and Say アルゴリズム解析 (TypeScript版)<span class="file-path">Algorithm/Run Length Encoding/leetcode/38. Count and Say/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Sort/CyclicSort/leetcode/41.%20First%20Missing%20Positive/Claude/README_Cyclic_Sort.html">Cyclic Sort - アルゴリズム解析<span class="file-path">Algorithm/Sort/CyclicSort/leetcode/41. First Missing Positive/Claude/README_Cyclic_Sort.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/DynamicProgramming/other/Longest-common%20subsequence%20problem/Claude/README.html">DPアルゴリズム：最長逆背の順区間解析<span class="file-path">Algorithm/DynamicProgramming/other/Longest-common subsequence problem/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/DynamicProgramming/leetcode/91.%20Decode%20Ways/Claude/README.html">Decode Ways - 動的計画法の視覚化 | LeetCode 91<span class="file-path">Algorithm/DynamicProgramming/leetcode/91. Decode Ways/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/DynamicProgramming/leetcode/91.%20Decode%20Ways/Claude/README_react.html">Decode Ways - 動的計画法の視覚化 | LeetCode 91<span class="file-path">Algorithm/DynamicProgramming/leetcode/91. Decode Ways/Claude/README_react.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/DynamicProgramming/leetcode/72.%20Edit%20Distance/Claude/README.html">Edit Distance (Levenshtein Distance) 技術解説<span class="file-path">Algorithm/DynamicProgramming/leetcode/72. Edit Distance/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Sort/CyclicSort/leetcode/41.%20First%20Missing%20Positive/Claude/Sign%20Marking/README.html">First Missing Positive - アルゴリズム解析<span class="file-path">Algorithm/Sort/CyclicSort/leetcode/41. First Missing Positive/Claude/Sign Marking/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Other/at%20coder/Other/B44/README.html">Grid Operations Visualization<span class="file-path">Algorithm/Other/at coder/Other/B44/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Other/leetcode/49.%20Group%20Anagrams/Claude/README.html">Group Anagrams Algorithm Analysis<span class="file-path">Algorithm/Other/leetcode/49. Group Anagrams/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Other/leetcode/57.%20Insert%20Interval/Claude/README.html">Insert Interval Algorithm Analysis<span class="file-path">Algorithm/Other/leetcode/57. Insert Interval/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/greedy%20algorithm/leetcode/55.%20Jump%20Game/Claude/README.html">Jump Game Algorithm Analysis<span class="file-path">Algorithm/greedy algorithm/leetcode/55. Jump Game/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/greedy%20algorithm/leetcode/45.%20Jump%20Game%20II/Claude/README.html">Jump Game II アルゴリズム解析<span class="file-path">Algorithm/greedy algorithm/leetcode/45. Jump Game II/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/ExpandAroundCenter/leetcode/5.%20Longest%20Palindromic%20Substring/Claude/README.html">LeetCode 5: Longest Palindromic Substring - 中心展開法<span class="file-path">Algorithm/ExpandAroundCenter/leetcode/5. Longest Palindromic Substring/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Other/leetcode/66.%20Plus%20One/Claude%20Sonnet%204.5/README_react.html">LeetCode 66: Plus One - 右から左への繰り上がり処理<span class="file-path">Algorithm/Other/leetcode/66. Plus One/Claude Sonnet 4.5/README_react.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/TwoPointers/leetcode/67.%20Add%20Binary/Claude/README_react.html">LeetCode 67: Add Binary - 二進数加算<span class="file-path">Algorithm/TwoPointers/leetcode/67. Add Binary/Claude/README_react.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Other/leetcode/6.%20Zigzag%20Conversion/Claude/README.html">LeetCode 6: Zigzag Conversion - 周期式による行別直接抽出<span class="file-path">Algorithm/Other/leetcode/6. Zigzag Conversion/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Other/leetcode/7.%20Reverse%20Integer/claude/README.html">LeetCode 7: Reverse Integer - 文字列反転法<span class="file-path">Algorithm/Other/leetcode/7. Reverse Integer/claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Backtracking/leetcode/93.%20Restore%20IP%20Addresses/Claude/README.html">LeetCode 93: Restore IP Addresses - DFS + 枝刈り解説<span class="file-path">Algorithm/Backtracking/leetcode/93. Restore IP Addresses/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/BinarySearch/leetcode/96.%20Unique%20Binary%20Search%20Trees/claude%204.5%20sonnet/README_react.html">LeetCode 96: Unique Binary Search Trees - カタラン数解説<span class="file-path">Algorithm/BinarySearch/leetcode/96. Unique Binary Search Trees/claude 4.5 sonnet/README_react.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/DynamicProgramming/leetcode/97.%20Interleaving%20String/Claude%20Sonnet%204.5/README_React.html">LeetCode 97: Interleaving String - 1D DP解説<span class="file-path">Algorithm/DynamicProgramming/leetcode/97. Interleaving String/Claude Sonnet 4.5/README_React.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/BinarySearch/leetcode/98.%20Validate%20Binary%20Search%20Tree/Claude%20Sonnet%204.5/README_react.html">LeetCode 98: Validate Binary Search Tree<span class="file-path">Algorithm/BinarySearch/leetcode/98. Validate Binary Search Tree/Claude Sonnet 4.5/README_react.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/BinarySearch/leetcode/99.%20Recover%20Binary%20Search%20Tree/Claude%20Opus%204.5/README_react.html">LeetCode 99: Recover Binary Search Tree - 中順走査によるBST修復<span class="file-path">Algorithm/BinarySearch/leetcode/99. Recover Binary Search Tree/Claude Opus 4.5/README_react.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Other/leetcode/58.%20Length%20of%20Last%20Word/Claude/README.html">Length of Last Word - コード解析<span class="file-path">Algorithm/Other/leetcode/58. Length of Last Word/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Other/leetcode/58.%20Length%20of%20Last%20Word/Claude/README_modern_style.html">Length of Last Word - コード解析<span class="file-path">Algorithm/Other/leetcode/58. Length of Last Word/Claude/README_modern_style.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Sliding%20Window%20Method/leetcode/3.%20Longest%20Substring%20Without%20Repeating%20Characters/Claude/README.html">Longest Substring Without Repeating Characters - スライディングウィンドウ＋高速位置管理<span class="file-path">Algorithm/Sliding Window Method/leetcode/3. Longest Substring Without Repeating Characters/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Kadane%E2%80%99s%20Algorithm/leetcode/53.%20Maximum%20Subarray/Claude/README.html">Maximum Subarray Algorithm Analysis<span class="file-path">Algorithm/Kadane’s Algorithm/leetcode/53. Maximum Subarray/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/BinarySearch/leetcode/4.%20Median%20of%20Two%20Sorted%20Arrays/Claude/README.html">Median of Two Sorted Arrays - 二分探索パーティション法<span class="file-path">Algorithm/BinarySearch/leetcode/4. Median of Two Sorted Arrays/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Sort/leetcode/56.%20Merge%20Intervals/Claude/README.html">Merge Intervals Algorithm Analysis<span class="file-path">Algorithm/Sort/leetcode/56. Merge Intervals/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/DynamicProgramming/leetcode/64.%20Minimum%20Path%20Sum/Claude/README.html">Minimum Path Sum - Interactive Algorithm Tutorial<span class="file-path">Algorithm/DynamicProgramming/leetcode/64. Minimum Path Sum/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Sliding%20Window%20Method/leetcode/76.%20Minimum%20Window%20Substring/Claude/README.html">Minimum Window Substring - アルゴリズム解説<span class="file-path">Algorithm/Sliding Window Method/leetcode/76. Minimum Window Substring/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Backtracking/leetcode/51.%20N-Queens/GPT/README.html">N-Queens Algorithm Analysis<span class="file-path">Algorithm/Backtracking/leetcode/51. N-Queens/GPT/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Backtracking/leetcode/52.%20N-Queens%20ll/Claude/README.html">N-Queens問題 - ビット操作による高速化アルゴリズム解析<span class="file-path">Algorithm/Backtracking/leetcode/52. N-Queens ll/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Backtracking/leetcode/51.%20N-Queens/Claude/README.html">N-Queens問題の詳細解析<span class="file-path">Algorithm/Backtracking/leetcode/51. N-Queens/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Backtracking/leetcode/52.%20N-Queens%20ll/GPT/README.html">N-Queens問題：ビットマスクアルゴリズム解析<span class="file-path">Algorithm/Backtracking/leetcode/52. N-Queens ll/GPT/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/DynamicProgramming/other/How%20to%20climb%20stairs/How%20to%20climb%20stairs%203/Claude/README-O%281%29.html">O(1)メモリ最適化解析 - 階段上り問題<span class="file-path">Algorithm/DynamicProgramming/other/How to climb stairs/How to climb stairs 3/Claude/README-O(1).html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Kadane%E2%80%99s%20Algorithm/leetcode/53.%20Maximum%20Subarray/Claude/README_python.html">Python Maximum Subarray Algorithm Analysis<span class="file-path">Algorithm/Kadane’s Algorithm/leetcode/53. Maximum Subarray/Claude/README_python.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/greedy%20algorithm/leetcode/68.%20Text%20Justification/Claude/README.html">README.html<span class="file-path">Algorithm/greedy algorithm/leetcode/68. Text Justification/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Other/leetcode/82.%20Remove%20Duplicates%20from%20Sorted%20List%20II/Claude/README.html">Remove Duplicates from Sorted List II - 技術解説<span class="file-path">Algorithm/Other/leetcode/82. Remove Duplicates from Sorted List II/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/BinarySearch/leetcode/81.%20Search%20in%20Rotated%20Sorted%20Array%20II/Claude/README.html">Search in Rotated Sorted Array II - Technical Analysis<span class="file-path">Algorithm/BinarySearch/leetcode/81. Search in Rotated Sorted Array II/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Other/leetcode/73.%20Set%20Matrix%20Zeroes/Claude/README.html">Set Matrix Zeroes Algorithm - Python Implementation<span class="file-path">Algorithm/Other/leetcode/73. Set Matrix Zeroes/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Dutch%20National%20Flag/leetcode/75.%20Sort%20Colors/Claude/README.html">Sort Colors Algorithm - Interactive Technical Guide<span class="file-path">Algorithm/Dutch National Flag/leetcode/75. Sort Colors/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Other/leetcode/59.%20Spiral%20Matrix%20II/Claude/README.html">Spiral Matrix Algorithm Analysis<span class="file-path">Algorithm/Other/leetcode/59. Spiral Matrix II/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Other/leetcode/54.%20Spiral%20Matrix/Claude/README.html">Spiral Matrix Algorithm Analysis<span class="file-path">Algorithm/Other/leetcode/54. Spiral Matrix/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Other/leetcode/90.%20Subsets%20II/Claude/README.html">Subsets II - 反復的拡張法による重複排除 | アルゴリズム解説<span class="file-path">Algorithm/Other/leetcode/90. Subsets II/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/TwoPointers/leetcode/80.%20Remove%20Duplicates%20from%20Sorted%20Array%20II/Claude/README.html">Two-Pointer Algorithm: Remove Duplicates from Sorted Array II<span class="file-path">Algorithm/TwoPointers/leetcode/80. Remove Duplicates from Sorted Array II/Claude/README.html</span></a></li>
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+        <div class="no-results"><span class="no-results-icon">🔎</span>No results found</div>
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     <div id="Algorithm" class="tab-content">
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-<li class="file-item"><a class="file-link" href="Algorithm/DynamicProgramming/leetcode/44.%20Wildcard%20Matching/GPT/README-O%28n%29%20.html">1次元DP ワイルドカードパターンマッチング解析<span class="file-path">Algorithm/DynamicProgramming/leetcode/44. Wildcard Matching/GPT/README-O(n) .html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/BinarySearch/leetcode/74.%20Search%20a%202D%20Matrix/Claude/README.html">2D Matrix Binary Search - 技術解説<span class="file-path">Algorithm/BinarySearch/leetcode/74. Search a 2D Matrix/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/CumulativeSum/CumulativeSum2D/other/README.html">2D累積和による長方形領域和計算<span class="file-path">Algorithm/CumulativeSum/CumulativeSum2D/other/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Rolling%20Hash/atcoder/B56/Claude/README.html">BigInt + 二重ハッシュアルゴリズム詳細解析<span class="file-path">Algorithm/Rolling Hash/atcoder/B56/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/BinarySearch/leetcode/35.%20Search%20Insert%20Position/README.html">Binary Search Algorithm Analysis<span class="file-path">Algorithm/BinarySearch/leetcode/35. Search Insert Position/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/BinarySearch/leetcode/34.%20Find%20First%20and%20Last%20Position%20of%20Element%20in%20Sorted%20Array/README.html">Binary Search Range Visualization<span class="file-path">Algorithm/BinarySearch/leetcode/34. Find First and Last Position of Element in Sorted Array/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/BinarySearch/atCoder/B55/Claude/README.html">Card Query Algorithm Analysis<span class="file-path">Algorithm/BinarySearch/atCoder/B55/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Backtracking/leetcode/40.%20Combination%20Sum%20II/Claude/README.html">Combination Sum II アルゴリズム解析<span class="file-path">Algorithm/Backtracking/leetcode/40. Combination Sum II/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Backtracking/leetcode/39.%20Combination%20Sum/Claude/README.html">Combination Sum アルゴリズム解析<span class="file-path">Algorithm/Backtracking/leetcode/39. Combination Sum/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Run%20Length%20Encoding/leetcode/38.%20Count%20and%20Say/Claude/README.html">Count and Say アルゴリズム解析 (TypeScript版)<span class="file-path">Algorithm/Run Length Encoding/leetcode/38. Count and Say/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Sort/CyclicSort/leetcode/41.%20First%20Missing%20Positive/Claude/README_Cyclic_Sort.html">Cyclic Sort - アルゴリズム解析<span class="file-path">Algorithm/Sort/CyclicSort/leetcode/41. First Missing Positive/Claude/README_Cyclic_Sort.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/DynamicProgramming/other/Longest-common%20subsequence%20problem/Claude/README.html">DPアルゴリズム：最長逆背の順区間解析<span class="file-path">Algorithm/DynamicProgramming/other/Longest-common subsequence problem/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/DynamicProgramming/leetcode/91.%20Decode%20Ways/Claude/README.html">Decode Ways - 動的計画法の視覚化 | LeetCode 91<span class="file-path">Algorithm/DynamicProgramming/leetcode/91. Decode Ways/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/DynamicProgramming/leetcode/91.%20Decode%20Ways/Claude/README_react.html">Decode Ways - 動的計画法の視覚化 | LeetCode 91<span class="file-path">Algorithm/DynamicProgramming/leetcode/91. Decode Ways/Claude/README_react.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/DynamicProgramming/leetcode/72.%20Edit%20Distance/Claude/README.html">Edit Distance (Levenshtein Distance) 技術解説<span class="file-path">Algorithm/DynamicProgramming/leetcode/72. Edit Distance/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Sort/CyclicSort/leetcode/41.%20First%20Missing%20Positive/Claude/Sign%20Marking/README.html">First Missing Positive - アルゴリズム解析<span class="file-path">Algorithm/Sort/CyclicSort/leetcode/41. First Missing Positive/Claude/Sign Marking/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Other/at%20coder/Other/B44/README.html">Grid Operations Visualization<span class="file-path">Algorithm/Other/at coder/Other/B44/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Other/leetcode/49.%20Group%20Anagrams/Claude/README.html">Group Anagrams Algorithm Analysis<span class="file-path">Algorithm/Other/leetcode/49. Group Anagrams/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Other/leetcode/57.%20Insert%20Interval/Claude/README.html">Insert Interval Algorithm Analysis<span class="file-path">Algorithm/Other/leetcode/57. Insert Interval/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/greedy%20algorithm/leetcode/55.%20Jump%20Game/Claude/README.html">Jump Game Algorithm Analysis<span class="file-path">Algorithm/greedy algorithm/leetcode/55. Jump Game/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/greedy%20algorithm/leetcode/45.%20Jump%20Game%20II/Claude/README.html">Jump Game II アルゴリズム解析<span class="file-path">Algorithm/greedy algorithm/leetcode/45. Jump Game II/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/ExpandAroundCenter/leetcode/5.%20Longest%20Palindromic%20Substring/Claude/README.html">LeetCode 5: Longest Palindromic Substring - 中心展開法<span class="file-path">Algorithm/ExpandAroundCenter/leetcode/5. Longest Palindromic Substring/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Other/leetcode/66.%20Plus%20One/Claude%20Sonnet%204.5/README_react.html">LeetCode 66: Plus One - 右から左への繰り上がり処理<span class="file-path">Algorithm/Other/leetcode/66. Plus One/Claude Sonnet 4.5/README_react.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/TwoPointers/leetcode/67.%20Add%20Binary/Claude/README_react.html">LeetCode 67: Add Binary - 二進数加算<span class="file-path">Algorithm/TwoPointers/leetcode/67. Add Binary/Claude/README_react.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Other/leetcode/6.%20Zigzag%20Conversion/Claude/README.html">LeetCode 6: Zigzag Conversion - 周期式による行別直接抽出<span class="file-path">Algorithm/Other/leetcode/6. Zigzag Conversion/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Other/leetcode/7.%20Reverse%20Integer/claude/README.html">LeetCode 7: Reverse Integer - 文字列反転法<span class="file-path">Algorithm/Other/leetcode/7. Reverse Integer/claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Backtracking/leetcode/93.%20Restore%20IP%20Addresses/Claude/README.html">LeetCode 93: Restore IP Addresses - DFS + 枝刈り解説<span class="file-path">Algorithm/Backtracking/leetcode/93. Restore IP Addresses/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/BinarySearch/leetcode/96.%20Unique%20Binary%20Search%20Trees/claude%204.5%20sonnet/README_react.html">LeetCode 96: Unique Binary Search Trees - カタラン数解説<span class="file-path">Algorithm/BinarySearch/leetcode/96. Unique Binary Search Trees/claude 4.5 sonnet/README_react.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/DynamicProgramming/leetcode/97.%20Interleaving%20String/Claude%20Sonnet%204.5/README_React.html">LeetCode 97: Interleaving String - 1D DP解説<span class="file-path">Algorithm/DynamicProgramming/leetcode/97. Interleaving String/Claude Sonnet 4.5/README_React.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/BinarySearch/leetcode/98.%20Validate%20Binary%20Search%20Tree/Claude%20Sonnet%204.5/README_react.html">LeetCode 98: Validate Binary Search Tree<span class="file-path">Algorithm/BinarySearch/leetcode/98. Validate Binary Search Tree/Claude Sonnet 4.5/README_react.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/BinarySearch/leetcode/99.%20Recover%20Binary%20Search%20Tree/Claude%20Opus%204.5/README_react.html">LeetCode 99: Recover Binary Search Tree - 中順走査によるBST修復<span class="file-path">Algorithm/BinarySearch/leetcode/99. Recover Binary Search Tree/Claude Opus 4.5/README_react.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Other/leetcode/58.%20Length%20of%20Last%20Word/Claude/README.html">Length of Last Word - コード解析<span class="file-path">Algorithm/Other/leetcode/58. Length of Last Word/Claude/README.html</span></a></li>
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-<li class="file-item"><a class="file-link" href="Algorithm/Sliding%20Window%20Method/leetcode/3.%20Longest%20Substring%20Without%20Repeating%20Characters/Claude/README.html">Longest Substring Without Repeating Characters - スライディングウィンドウ＋高速位置管理<span class="file-path">Algorithm/Sliding Window Method/leetcode/3. Longest Substring Without Repeating Characters/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Kadane%E2%80%99s%20Algorithm/leetcode/53.%20Maximum%20Subarray/Claude/README.html">Maximum Subarray Algorithm Analysis<span class="file-path">Algorithm/Kadane’s Algorithm/leetcode/53. Maximum Subarray/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/BinarySearch/leetcode/4.%20Median%20of%20Two%20Sorted%20Arrays/Claude/README.html">Median of Two Sorted Arrays - 二分探索パーティション法<span class="file-path">Algorithm/BinarySearch/leetcode/4. Median of Two Sorted Arrays/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Sort/leetcode/56.%20Merge%20Intervals/Claude/README.html">Merge Intervals Algorithm Analysis<span class="file-path">Algorithm/Sort/leetcode/56. Merge Intervals/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/DynamicProgramming/leetcode/64.%20Minimum%20Path%20Sum/Claude/README.html">Minimum Path Sum - Interactive Algorithm Tutorial<span class="file-path">Algorithm/DynamicProgramming/leetcode/64. Minimum Path Sum/Claude/README.html</span></a></li>
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-<li class="file-item"><a class="file-link" href="Algorithm/Backtracking/leetcode/51.%20N-Queens/GPT/README.html">N-Queens Algorithm Analysis<span class="file-path">Algorithm/Backtracking/leetcode/51. N-Queens/GPT/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Backtracking/leetcode/52.%20N-Queens%20ll/Claude/README.html">N-Queens問題 - ビット操作による高速化アルゴリズム解析<span class="file-path">Algorithm/Backtracking/leetcode/52. N-Queens ll/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Backtracking/leetcode/51.%20N-Queens/Claude/README.html">N-Queens問題の詳細解析<span class="file-path">Algorithm/Backtracking/leetcode/51. N-Queens/Claude/README.html</span></a></li>
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-<li class="file-item"><a class="file-link" href="Algorithm/Other/leetcode/73.%20Set%20Matrix%20Zeroes/Claude/README.html">Set Matrix Zeroes Algorithm - Python Implementation<span class="file-path">Algorithm/Other/leetcode/73. Set Matrix Zeroes/Claude/README.html</span></a></li>
-<li class="file-item"><a class="file-link" href="Algorithm/Dutch%20National%20Flag/leetcode/75.%20Sort%20Colors/Claude/README.html">Sort Colors Algorithm - Interactive Technical Guide<span class="file-path">Algorithm/Dutch National Flag/leetcode/75. Sort Colors/Claude/README.html</span></a></li>
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 </ul>
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 <div id="Mathematics" class="tab-content">
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-<li class="file-item"><a class="file-link" href="Mathematics/Fundamentals/HackerRank/Claude/Easy/Reverse%20Game/ReverseGame.html">Akash and Akhil — ボール逆順ゲーム O(1) 解法<span class="file-path">Mathematics/Fundamentals/HackerRank/Claude/Easy/Reverse Game/ReverseGame.html</span></a></li>
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From 5325f80c644a1497e2b38b5dccab7b2ca2068441 Mon Sep 17 00:00:00 2001
From: myoshi2891 <96483039+myoshi2891@users.noreply.github.com>
Date: Fri, 20 Feb 2026 03:22:47 +0000
Subject: [PATCH 04/14] build: auto-generate public directory

---
 public/index.html | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/public/index.html b/public/index.html
index 21d573a4..3e3be5bf 100644
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@@ -764,8 +764,8 @@ <h1 class="site-title">
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Fundamentals/HackerRank/Claude/Easy/moving-tiles-visualization.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">Moving Tiles - 重なり面積の時間逆算</span></span><span class="file-path">Mathematics/Fundamentals/HackerRank/Claude/Easy/moving-tiles-visualization.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Combination%20Calculation/leetcode/62.%20Unique%20Paths/Claude/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">Robot Unique Paths - 技術解説</span></span><span class="file-path">Mathematics/Combination Calculation/leetcode/62. Unique Paths/Claude/README.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Finite%20State%20Machine/leetcode/65.%20Valid%20Number/Claude/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">Valid Number Problem - 有限状態機械アルゴリズム解説</span></span><span class="file-path">Mathematics/Finite State Machine/leetcode/65. Valid Number/Claude/README.html</span></a></li>
-<li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Exponentiation%20by%20Squaring/leetcode/50.%20Pow%28x%2C%20n%29/Claude/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">pow(x, n) アルゴリズム解析</span></span><span class="file-path">Mathematics/Exponentiation by Squaring/leetcode/50. Pow(x, n)/Claude/README.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Exponentiation%20by%20Squaring/leetcode/50.%20Pow%28x%2C%20n%29/Claude/README%20detailed.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">pow(x, n) アルゴリズム解析</span></span><span class="file-path">Mathematics/Exponentiation by Squaring/leetcode/50. Pow(x, n)/Claude/README detailed.html</span></a></li>
+<li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Exponentiation%20by%20Squaring/leetcode/50.%20Pow%28x%2C%20n%29/Claude/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">pow(x, n) アルゴリズム解析</span></span><span class="file-path">Mathematics/Exponentiation by Squaring/leetcode/50. Pow(x, n)/Claude/README.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Number%20Theory/HackerRank/Easy/Primitive_Problem.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">原始根の発見 - HackerRank問題解説</span></span><span class="file-path">Mathematics/Number Theory/HackerRank/Easy/Primitive_Problem.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Other/atcoder/B45/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">整数を全て0にする問題 - 可視化デモ</span></span><span class="file-path">Mathematics/Other/atcoder/B45/README.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Multiply%20Strings/leetcode/43.%20Multiply%20Strings/Claude/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">文字列掛け算アルゴリズムの詳細解析</span></span><span class="file-path">Mathematics/Multiply Strings/leetcode/43. Multiply Strings/Claude/README.html</span></a></li>
@@ -784,7 +784,7 @@ <h1 class="site-title">
 
     <footer>
         <span class="footer-icon">🧪</span>
-        Generated on 2026-02-20 03:21:54 UTC
+        Generated on 2026-02-20 03:22:46 UTC
     </footer>
 
     <script>

From 2943be5e2993a6f061780dd08cb77d9a4b4b9b6c Mon Sep 17 00:00:00 2001
From: "coderabbitai[bot]"
 <136622811+coderabbitai[bot]@users.noreply.github.com>
Date: Fri, 20 Feb 2026 03:41:29 +0000
Subject: [PATCH 05/14] =?UTF-8?q?=F0=9F=93=9D=20Add=20docstrings=20to=20`d?=
 =?UTF-8?q?ev-from-macmini`?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Docstrings generation was requested by @myoshi2891.

* https://github.com/myoshi2891/Algorithm-DataStructures-Math-SQL/pull/278#issuecomment-3931297875

The following files were modified:

* `generate_index.py`
---
 generate_index.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/generate_index.py b/generate_index.py
index 156babcb..c56f233f 100644
--- a/generate_index.py
+++ b/generate_index.py
@@ -104,6 +104,11 @@ def rewrite_html_content(self, content: str) -> str:
         return content
 
     def generate_index(self) -> None:
+        """
+        Generate a static index HTML page under the public directory listing repository HTML files grouped by category.
+        
+        Scans the repository (excluding common build, VCS, virtualenv and vendor directories), copies required vendor assets into public/vendor, rewrites HTML files to reference local vendored assets, copies those files into the public tree, and produces a themed index at public/index.html with category tabs, search, pagination, per-category icons, total counts, and a UTC generation timestamp. Files in hidden categories (category name starting with '.') or in excluded directories are skipped. If reading or rewriting a file fails, the file is copied as a fallback.
+        """
         root_dir = "."
         output_dir = "public"
         index_file = "index.html"
@@ -887,4 +892,4 @@ def generate_index(self) -> None:
         print(f"Successfully updated {output_index_path} with vendored assets at {current_time}")
 
 if __name__ == "__main__":
-    Solution().generate_index()
+    Solution().generate_index()
\ No newline at end of file

From f08f06a4d8a8ae8a7f374f5ff4749353ebd03715 Mon Sep 17 00:00:00 2001
From: "coderabbitai[bot]"
 <136622811+coderabbitai[bot]@users.noreply.github.com>
Date: Fri, 20 Feb 2026 03:41:47 +0000
Subject: [PATCH 06/14] build: auto-generate public directory

---
 public/index.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/public/index.html b/public/index.html
index 3e3be5bf..8ee79072 100644
--- a/public/index.html
+++ b/public/index.html
@@ -784,7 +784,7 @@ <h1 class="site-title">
 
     <footer>
         <span class="footer-icon">🧪</span>
-        Generated on 2026-02-20 03:22:46 UTC
+        Generated on 2026-02-20 03:41:46 UTC
     </footer>
 
     <script>

From 6c0dfdbf270d8f8d4f6f089fa5d43166ff352f47 Mon Sep 17 00:00:00 2001
From: myoshi2891 <96483039+myoshi2891@users.noreply.github.com>
Date: Fri, 20 Feb 2026 06:39:01 +0000
Subject: [PATCH 07/14] build: auto-generate public directory

---
 public/index.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/public/index.html b/public/index.html
index 8ee79072..9e75082c 100644
--- a/public/index.html
+++ b/public/index.html
@@ -784,7 +784,7 @@ <h1 class="site-title">
 
     <footer>
         <span class="footer-icon">🧪</span>
-        Generated on 2026-02-20 03:41:46 UTC
+        Generated on 2026-02-20 06:39:00 UTC
     </footer>
 
     <script>

From 9cc0571f98be60f6afdbd93ae63dcdac66ebdc3d Mon Sep 17 00:00:00 2001
From: myoshizumi <myoshizumi@alumni.berklee.edu>
Date: Fri, 20 Feb 2026 15:49:34 +0900
Subject: [PATCH 08/14] chore: minor fixes to pagination and search clear logic
 in index page

---
 CLAUDE.md         | 14 ++++++++++++++
 generate_index.py | 25 +++++++++++++++++--------
 public/index.html | 31 ++++++++++++++++++-------------
 3 files changed, 49 insertions(+), 21 deletions(-)

diff --git a/CLAUDE.md b/CLAUDE.md
index d3a8d3b9..b3b7bac1 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -27,6 +27,7 @@ bunx prettier -w .  # prettier 修正
 # 実行
 bunx tsx path/to/file.ts   # TypeScript実行
 make lab                   # JupyterLab起動
+python generate_index.py   # public/index.html 再生成
 ```
 
 パッケージマネージャは**Bun**。`npm`ではなく`bun install`を使用。
@@ -77,6 +78,19 @@ make lab                   # JupyterLab起動
 - **Prettier**: semi, singleQuote, tabWidth: 4, printWidth: 100
 - **Python**: ruff + black
 
+### インデックスページ生成
+
+- `public/index.html` は `python generate_index.py` で自動生成。直接編集禁止
+- テンプレートは `generate_index.py` 内に埋め込み（Python `.format()` 使用、`{{`/`}}` でブレースエスケープ）
+- `public/` 配下の全ファイルは生成物。変更は必ずジェネレータ側で行う
+- テンプレート内JS で `innerHTML` 禁止（セキュリティフックがブロック）→ `textContent` + DOM API を使用
+- HTML出力に埋め込む文字列は `html.escape()` 必須（XSS防止）
+
+### ブラウザテスト（Playwright MCP）
+
+- `file://` URLはブロックされる → `python -m http.server 8765 --directory public` でローカルサーバー起動
+- `ruff` / `black` はグローバル未インストールの場合あり → `python -c "import py_compile; ..."` でシンタックスチェック代替
+
 ## SVGフローチャートガイドライン
 
 `.agent/workflows/svg_flowchart_guidelines.md` に詳細あり。主要ポイント:
diff --git a/generate_index.py b/generate_index.py
index 156babcb..dc22f897 100644
--- a/generate_index.py
+++ b/generate_index.py
@@ -177,6 +177,7 @@ def generate_index(self) -> None:
             'SQL': '\U0001F5C3\uFE0F',
         }
         total_count = sum(len(v) for v in structure.values())
+        domain_count = len(sorted_categories)
         current_time = datetime.datetime.now(datetime.timezone.utc).strftime("%Y-%m-%d %H:%M:%S UTC")
 
         # HTML Template — "Refined Lab" デザイン
@@ -598,7 +599,7 @@ def generate_index(self) -> None:
             \U0001F9EA Algorithm Study
             <span class="title-accent">Index</span>
         </h1>
-        <p class="site-subtitle">{total_count} interactive lessons across 6 domains</p>
+        <p class="site-subtitle">{total_count} interactive lessons across {domain_count} domains</p>
     </header>
 
     <div class="search-container">
@@ -677,17 +678,20 @@ def generate_index(self) -> None:
 
         function renderPaginationControls(tabId, totalPages, currentPage) {{
             const tab = document.getElementById(tabId);
-            let container = tab.querySelector('.pagination');
+            const existing = tab.querySelector('.pagination');
 
-            if (!container) {{
-                container = document.createElement('div');
+            if (totalPages <= 1) {{
+                if (existing) existing.remove();
+                return;
+            }}
+
+            const container = existing || document.createElement('div');
+            if (!existing) {{
                 container.className = 'pagination';
                 tab.appendChild(container);
             }}
             while (container.firstChild) container.removeChild(container.firstChild);
 
-            if (totalPages <= 1) return;
-
             const prevBtn = document.createElement('button');
             prevBtn.className = 'page-button';
             prevBtn.textContent = '\u00AB Prev';
@@ -755,7 +759,9 @@ def generate_index(self) -> None:
                 input.value = '';
                 document.getElementById('searchClear').style.display = 'none';
                 document.getElementById('searchCount').textContent = '';
-                clearSearchFilter(categoryName);
+                document.querySelectorAll('.tab-content').forEach(tc => {{
+                    clearSearchFilter(tc.id);
+                }});
             }}
 
             currentPages[categoryName] = currentPages[categoryName] || 1;
@@ -865,7 +871,9 @@ def generate_index(self) -> None:
             file_list_html = '<ul class="file-list">\n'
             for title, path in files:
                 encoded_path = urllib.parse.quote(path)
-                item_html = f'<li class="file-item" data-category="{css_cat}"><a class="file-link" href="{encoded_path}"><span class="card-header"><span class="card-icon">{icon}</span><span class="card-title">{title}</span></span><span class="file-path">{path}</span></a></li>\n'
+                safe_title = html.escape(title)
+                safe_path = html.escape(path)
+                item_html = f'<li class="file-item" data-category="{css_cat}"><a class="file-link" href="{encoded_path}"><span class="card-header"><span class="card-icon">{icon}</span><span class="card-title">{safe_title}</span></span><span class="file-path">{safe_path}</span></a></li>\n'
                 file_list_html += item_html
                 all_files_html += item_html
             file_list_html += '</ul>'
@@ -878,6 +886,7 @@ def generate_index(self) -> None:
             tab_contents=tab_contents_html,
             timestamp=current_time,
             total_count=total_count,
+            domain_count=domain_count,
         )
 
         output_index_path = os.path.join(output_dir, index_file)
diff --git a/public/index.html b/public/index.html
index 21d573a4..fe1a3c32 100644
--- a/public/index.html
+++ b/public/index.html
@@ -511,7 +511,7 @@ <h1 class="site-title">
 <li class="file-item" data-category="algorithm"><a class="file-link" href="Algorithm/DynamicProgramming/other/Longest-common%20subsequence%20problem/Claude/README-refined.html"><span class="card-header"><span class="card-icon">🧩</span><span class="card-title">パフォーマンス比較解析：最適化DPアルゴリズム</span></span><span class="file-path">Algorithm/DynamicProgramming/other/Longest-common subsequence problem/Claude/README-refined.html</span></a></li>
 <li class="file-item" data-category="algorithm"><a class="file-link" href="Algorithm/DynamicProgramming/leetcode/44.%20Wildcard%20Matching/Claude/README.html"><span class="card-header"><span class="card-icon">🧩</span><span class="card-title">ワイルドカードパターンマッチング解析</span></span><span class="file-path">Algorithm/DynamicProgramming/leetcode/44. Wildcard Matching/Claude/README.html</span></a></li>
 <li class="file-item" data-category="algorithm"><a class="file-link" href="Algorithm/DynamicProgramming/other/To%20achieve%20the%20lowest%20price/to%20achieve%20the%20lowest%20price%202/Claude/README.html"><span class="card-header"><span class="card-icon">🧩</span><span class="card-title">八百屋のりんご購入問題 - 動的プログラミング解析</span></span><span class="file-path">Algorithm/DynamicProgramming/other/To achieve the lowest price/to achieve the lowest price 2/Claude/README.html</span></a></li>
-<li class="file-item" data-category="algorithm"><a class="file-link" href="Algorithm/Manacher%27s%20Algorithm/leetcode/B56/Claude/README.html"><span class="card-header"><span class="card-icon">🧩</span><span class="card-title">回文判定アルゴリズム詳細解析</span></span><span class="file-path">Algorithm/Manacher's Algorithm/leetcode/B56/Claude/README.html</span></a></li>
+<li class="file-item" data-category="algorithm"><a class="file-link" href="Algorithm/Manacher%27s%20Algorithm/leetcode/B56/Claude/README.html"><span class="card-header"><span class="card-icon">🧩</span><span class="card-title">回文判定アルゴリズム詳細解析</span></span><span class="file-path">Algorithm/Manacher&#x27;s Algorithm/leetcode/B56/Claude/README.html</span></a></li>
 <li class="file-item" data-category="algorithm"><a class="file-link" href="Algorithm/BinarySearch/leetcode/33.%20Search%20in%20Rotated%20Sorted%20Array/README.html"><span class="card-header"><span class="card-icon">🧩</span><span class="card-title">回転されたソート済み配列の探索解析</span></span><span class="file-path">Algorithm/BinarySearch/leetcode/33. Search in Rotated Sorted Array/README.html</span></a></li>
 <li class="file-item" data-category="algorithm"><a class="file-link" href="Algorithm/Other/leetcode/36.%20Valid%20Sudoku/README-Bit-mask.html"><span class="card-header"><span class="card-icon">🧩</span><span class="card-title">数独ビットマスク検証アルゴリズム解析</span></span><span class="file-path">Algorithm/Other/leetcode/36. Valid Sudoku/README-Bit-mask.html</span></a></li>
 <li class="file-item" data-category="algorithm"><a class="file-link" href="Algorithm/Other/leetcode/36.%20Valid%20Sudoku/README-Set.html"><span class="card-header"><span class="card-icon">🧩</span><span class="card-title">数独検証アルゴリズム解析</span></span><span class="file-path">Algorithm/Other/leetcode/36. Valid Sudoku/README-Set.html</span></a></li>
@@ -546,9 +546,9 @@ <h1 class="site-title">
 <li class="file-item" data-category="datastructures"><a class="file-link" href="DataStructures/Stacks/leetcode/84.%20Largest%20Rectangle%20in%20Histogram/GPT/README_tailwind.html"><span class="card-header"><span class="card-icon">🏗️</span><span class="card-title">Largest Rectangle in Histogram — 技術解説（単調増加スタック法 / Python, Tailwind版）</span></span><span class="file-path">DataStructures/Stacks/leetcode/84. Largest Rectangle in Histogram/GPT/README_tailwind.html</span></a></li>
 <li class="file-item" data-category="datastructures"><a class="file-link" href="DataStructures/Stacks/leetcode/84.%20Largest%20Rectangle%20in%20Histogram/GPT/README.html"><span class="card-header"><span class="card-icon">🏗️</span><span class="card-title">Largest Rectangle in Histogram — 技術解説（単調増加スタック法 / Python）</span></span><span class="file-path">DataStructures/Stacks/leetcode/84. Largest Rectangle in Histogram/GPT/README.html</span></a></li>
 <li class="file-item" data-category="datastructures"><a class="file-link" href="DataStructures/Trees/BFS%E3%83%BBDFS/leetcode/87.%20Scramble%20String/Claude/README.html"><span class="card-header"><span class="card-icon">🏗️</span><span class="card-title">LeetCode 87: Scramble String - Top-down Memoized DFS</span></span><span class="file-path">DataStructures/Trees/BFS・DFS/leetcode/87. Scramble String/Claude/README.html</span></a></li>
-<li class="file-item" data-category="datastructures"><a class="file-link" href="DataStructures/Trees/BFS%E3%83%BBDFS/leetcode/87.%20Scramble%20String/GPT/README.html"><span class="card-header"><span class="card-icon">🏗️</span><span class="card-title">LeetCode 87: Scramble String — Top-down recursion with memoization & pruning</span></span><span class="file-path">DataStructures/Trees/BFS・DFS/leetcode/87. Scramble String/GPT/README.html</span></a></li>
+<li class="file-item" data-category="datastructures"><a class="file-link" href="DataStructures/Trees/BFS%E3%83%BBDFS/leetcode/87.%20Scramble%20String/GPT/README.html"><span class="card-header"><span class="card-icon">🏗️</span><span class="card-title">LeetCode 87: Scramble String — Top-down recursion with memoization &amp; pruning</span></span><span class="file-path">DataStructures/Trees/BFS・DFS/leetcode/87. Scramble String/GPT/README.html</span></a></li>
 <li class="file-item" data-category="datastructures"><a class="file-link" href="DataStructures/LinkedLists/leetcode/92.%20Reverse%20Linked%20List%20II/Claude/README.html"><span class="card-header"><span class="card-icon">🏗️</span><span class="card-title">LeetCode 92: Reverse Linked List II - 部分区間反転アルゴリズム</span></span><span class="file-path">DataStructures/LinkedLists/leetcode/92. Reverse Linked List II/Claude/README.html</span></a></li>
-<li class="file-item" data-category="datastructures"><a class="file-link" href="DataStructures/bit%20manipulations/leetcode/89.%20Gray%20Code/GPT/README.html"><span class="card-header"><span class="card-icon">🏗️</span><span class="card-title">LeetCode: 89 Gray Code（Bit formula i XOR i>>1）— 単一HTML解説</span></span><span class="file-path">DataStructures/bit manipulations/leetcode/89. Gray Code/GPT/README.html</span></a></li>
+<li class="file-item" data-category="datastructures"><a class="file-link" href="DataStructures/bit%20manipulations/leetcode/89.%20Gray%20Code/GPT/README.html"><span class="card-header"><span class="card-icon">🏗️</span><span class="card-title">LeetCode: 89 Gray Code（Bit formula i XOR i&gt;&gt;1）— 単一HTML解説</span></span><span class="file-path">DataStructures/bit manipulations/leetcode/89. Gray Code/GPT/README.html</span></a></li>
 <li class="file-item" data-category="datastructures"><a class="file-link" href="DataStructures/LinkedLists/other/LinkedList/GPT/README.html"><span class="card-header"><span class="card-icon">🏗️</span><span class="card-title">Linked List Operations - Technical Analysis</span></span><span class="file-path">DataStructures/LinkedLists/other/LinkedList/GPT/README.html</span></a></li>
 <li class="file-item" data-category="datastructures"><a class="file-link" href="DataStructures/Stacks/leetcode/85.%20Maximal%20Rectangle/Claude/README.html"><span class="card-header"><span class="card-icon">🏗️</span><span class="card-title">Maximal Rectangle Algorithm - 技術解説</span></span><span class="file-path">DataStructures/Stacks/leetcode/85. Maximal Rectangle/Claude/README.html</span></a></li>
 <li class="file-item" data-category="datastructures"><a class="file-link" href="DataStructures/Stacks/leetcode/85.%20Maximal%20Rectangle/GPT/README.html"><span class="card-header"><span class="card-icon">🏗️</span><span class="card-title">Maximal Rectangle（Python実装）| Row-wise Histogram + Monotonic Stack</span></span><span class="file-path">DataStructures/Stacks/leetcode/85. Maximal Rectangle/GPT/README.html</span></a></li>
@@ -669,7 +669,7 @@ <h1 class="site-title">
 <li class="file-item" data-category="algorithm"><a class="file-link" href="Algorithm/DynamicProgramming/other/Longest-common%20subsequence%20problem/Claude/README-refined.html"><span class="card-header"><span class="card-icon">🧩</span><span class="card-title">パフォーマンス比較解析：最適化DPアルゴリズム</span></span><span class="file-path">Algorithm/DynamicProgramming/other/Longest-common subsequence problem/Claude/README-refined.html</span></a></li>
 <li class="file-item" data-category="algorithm"><a class="file-link" href="Algorithm/DynamicProgramming/leetcode/44.%20Wildcard%20Matching/Claude/README.html"><span class="card-header"><span class="card-icon">🧩</span><span class="card-title">ワイルドカードパターンマッチング解析</span></span><span class="file-path">Algorithm/DynamicProgramming/leetcode/44. Wildcard Matching/Claude/README.html</span></a></li>
 <li class="file-item" data-category="algorithm"><a class="file-link" href="Algorithm/DynamicProgramming/other/To%20achieve%20the%20lowest%20price/to%20achieve%20the%20lowest%20price%202/Claude/README.html"><span class="card-header"><span class="card-icon">🧩</span><span class="card-title">八百屋のりんご購入問題 - 動的プログラミング解析</span></span><span class="file-path">Algorithm/DynamicProgramming/other/To achieve the lowest price/to achieve the lowest price 2/Claude/README.html</span></a></li>
-<li class="file-item" data-category="algorithm"><a class="file-link" href="Algorithm/Manacher%27s%20Algorithm/leetcode/B56/Claude/README.html"><span class="card-header"><span class="card-icon">🧩</span><span class="card-title">回文判定アルゴリズム詳細解析</span></span><span class="file-path">Algorithm/Manacher's Algorithm/leetcode/B56/Claude/README.html</span></a></li>
+<li class="file-item" data-category="algorithm"><a class="file-link" href="Algorithm/Manacher%27s%20Algorithm/leetcode/B56/Claude/README.html"><span class="card-header"><span class="card-icon">🧩</span><span class="card-title">回文判定アルゴリズム詳細解析</span></span><span class="file-path">Algorithm/Manacher&#x27;s Algorithm/leetcode/B56/Claude/README.html</span></a></li>
 <li class="file-item" data-category="algorithm"><a class="file-link" href="Algorithm/BinarySearch/leetcode/33.%20Search%20in%20Rotated%20Sorted%20Array/README.html"><span class="card-header"><span class="card-icon">🧩</span><span class="card-title">回転されたソート済み配列の探索解析</span></span><span class="file-path">Algorithm/BinarySearch/leetcode/33. Search in Rotated Sorted Array/README.html</span></a></li>
 <li class="file-item" data-category="algorithm"><a class="file-link" href="Algorithm/Other/leetcode/36.%20Valid%20Sudoku/README-Bit-mask.html"><span class="card-header"><span class="card-icon">🧩</span><span class="card-title">数独ビットマスク検証アルゴリズム解析</span></span><span class="file-path">Algorithm/Other/leetcode/36. Valid Sudoku/README-Bit-mask.html</span></a></li>
 <li class="file-item" data-category="algorithm"><a class="file-link" href="Algorithm/Other/leetcode/36.%20Valid%20Sudoku/README-Set.html"><span class="card-header"><span class="card-icon">🧩</span><span class="card-title">数独検証アルゴリズム解析</span></span><span class="file-path">Algorithm/Other/leetcode/36. Valid Sudoku/README-Set.html</span></a></li>
@@ -714,9 +714,9 @@ <h1 class="site-title">
 <li class="file-item" data-category="datastructures"><a class="file-link" href="DataStructures/Stacks/leetcode/84.%20Largest%20Rectangle%20in%20Histogram/GPT/README_tailwind.html"><span class="card-header"><span class="card-icon">🏗️</span><span class="card-title">Largest Rectangle in Histogram — 技術解説（単調増加スタック法 / Python, Tailwind版）</span></span><span class="file-path">DataStructures/Stacks/leetcode/84. Largest Rectangle in Histogram/GPT/README_tailwind.html</span></a></li>
 <li class="file-item" data-category="datastructures"><a class="file-link" href="DataStructures/Stacks/leetcode/84.%20Largest%20Rectangle%20in%20Histogram/GPT/README.html"><span class="card-header"><span class="card-icon">🏗️</span><span class="card-title">Largest Rectangle in Histogram — 技術解説（単調増加スタック法 / Python）</span></span><span class="file-path">DataStructures/Stacks/leetcode/84. Largest Rectangle in Histogram/GPT/README.html</span></a></li>
 <li class="file-item" data-category="datastructures"><a class="file-link" href="DataStructures/Trees/BFS%E3%83%BBDFS/leetcode/87.%20Scramble%20String/Claude/README.html"><span class="card-header"><span class="card-icon">🏗️</span><span class="card-title">LeetCode 87: Scramble String - Top-down Memoized DFS</span></span><span class="file-path">DataStructures/Trees/BFS・DFS/leetcode/87. Scramble String/Claude/README.html</span></a></li>
-<li class="file-item" data-category="datastructures"><a class="file-link" href="DataStructures/Trees/BFS%E3%83%BBDFS/leetcode/87.%20Scramble%20String/GPT/README.html"><span class="card-header"><span class="card-icon">🏗️</span><span class="card-title">LeetCode 87: Scramble String — Top-down recursion with memoization & pruning</span></span><span class="file-path">DataStructures/Trees/BFS・DFS/leetcode/87. Scramble String/GPT/README.html</span></a></li>
+<li class="file-item" data-category="datastructures"><a class="file-link" href="DataStructures/Trees/BFS%E3%83%BBDFS/leetcode/87.%20Scramble%20String/GPT/README.html"><span class="card-header"><span class="card-icon">🏗️</span><span class="card-title">LeetCode 87: Scramble String — Top-down recursion with memoization &amp; pruning</span></span><span class="file-path">DataStructures/Trees/BFS・DFS/leetcode/87. Scramble String/GPT/README.html</span></a></li>
 <li class="file-item" data-category="datastructures"><a class="file-link" href="DataStructures/LinkedLists/leetcode/92.%20Reverse%20Linked%20List%20II/Claude/README.html"><span class="card-header"><span class="card-icon">🏗️</span><span class="card-title">LeetCode 92: Reverse Linked List II - 部分区間反転アルゴリズム</span></span><span class="file-path">DataStructures/LinkedLists/leetcode/92. Reverse Linked List II/Claude/README.html</span></a></li>
-<li class="file-item" data-category="datastructures"><a class="file-link" href="DataStructures/bit%20manipulations/leetcode/89.%20Gray%20Code/GPT/README.html"><span class="card-header"><span class="card-icon">🏗️</span><span class="card-title">LeetCode: 89 Gray Code（Bit formula i XOR i>>1）— 単一HTML解説</span></span><span class="file-path">DataStructures/bit manipulations/leetcode/89. Gray Code/GPT/README.html</span></a></li>
+<li class="file-item" data-category="datastructures"><a class="file-link" href="DataStructures/bit%20manipulations/leetcode/89.%20Gray%20Code/GPT/README.html"><span class="card-header"><span class="card-icon">🏗️</span><span class="card-title">LeetCode: 89 Gray Code（Bit formula i XOR i&gt;&gt;1）— 単一HTML解説</span></span><span class="file-path">DataStructures/bit manipulations/leetcode/89. Gray Code/GPT/README.html</span></a></li>
 <li class="file-item" data-category="datastructures"><a class="file-link" href="DataStructures/LinkedLists/other/LinkedList/GPT/README.html"><span class="card-header"><span class="card-icon">🏗️</span><span class="card-title">Linked List Operations - Technical Analysis</span></span><span class="file-path">DataStructures/LinkedLists/other/LinkedList/GPT/README.html</span></a></li>
 <li class="file-item" data-category="datastructures"><a class="file-link" href="DataStructures/Stacks/leetcode/85.%20Maximal%20Rectangle/Claude/README.html"><span class="card-header"><span class="card-icon">🏗️</span><span class="card-title">Maximal Rectangle Algorithm - 技術解説</span></span><span class="file-path">DataStructures/Stacks/leetcode/85. Maximal Rectangle/Claude/README.html</span></a></li>
 <li class="file-item" data-category="datastructures"><a class="file-link" href="DataStructures/Stacks/leetcode/85.%20Maximal%20Rectangle/GPT/README.html"><span class="card-header"><span class="card-icon">🏗️</span><span class="card-title">Maximal Rectangle（Python実装）| Row-wise Histogram + Monotonic Stack</span></span><span class="file-path">DataStructures/Stacks/leetcode/85. Maximal Rectangle/GPT/README.html</span></a></li>
@@ -784,7 +784,7 @@ <h1 class="site-title">
 
     <footer>
         <span class="footer-icon">🧪</span>
-        Generated on 2026-02-20 03:21:54 UTC
+        Generated on 2026-02-20 06:45:05 UTC
     </footer>
 
     <script>
@@ -833,17 +833,20 @@ <h1 class="site-title">
 
         function renderPaginationControls(tabId, totalPages, currentPage) {
             const tab = document.getElementById(tabId);
-            let container = tab.querySelector('.pagination');
+            const existing = tab.querySelector('.pagination');
 
-            if (!container) {
-                container = document.createElement('div');
+            if (totalPages <= 1) {
+                if (existing) existing.remove();
+                return;
+            }
+
+            const container = existing || document.createElement('div');
+            if (!existing) {
                 container.className = 'pagination';
                 tab.appendChild(container);
             }
             while (container.firstChild) container.removeChild(container.firstChild);
 
-            if (totalPages <= 1) return;
-
             const prevBtn = document.createElement('button');
             prevBtn.className = 'page-button';
             prevBtn.textContent = '« Prev';
@@ -911,7 +914,9 @@ <h1 class="site-title">
                 input.value = '';
                 document.getElementById('searchClear').style.display = 'none';
                 document.getElementById('searchCount').textContent = '';
-                clearSearchFilter(categoryName);
+                document.querySelectorAll('.tab-content').forEach(tc => {
+                    clearSearchFilter(tc.id);
+                });
             }
 
             currentPages[categoryName] = currentPages[categoryName] || 1;

From 38c77944083b0589a03acb5bd0ad804958848c0d Mon Sep 17 00:00:00 2001
From: myoshi2891 <96483039+myoshi2891@users.noreply.github.com>
Date: Fri, 20 Feb 2026 06:51:16 +0000
Subject: [PATCH 09/14] build: auto-generate public directory

---
 public/index.html | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/public/index.html b/public/index.html
index 82a39e61..fdfe8bd2 100644
--- a/public/index.html
+++ b/public/index.html
@@ -586,8 +586,8 @@ <h1 class="site-title">
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Fundamentals/HackerRank/Claude/Easy/moving-tiles-visualization.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">Moving Tiles - 重なり面積の時間逆算</span></span><span class="file-path">Mathematics/Fundamentals/HackerRank/Claude/Easy/moving-tiles-visualization.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Combination%20Calculation/leetcode/62.%20Unique%20Paths/Claude/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">Robot Unique Paths - 技術解説</span></span><span class="file-path">Mathematics/Combination Calculation/leetcode/62. Unique Paths/Claude/README.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Finite%20State%20Machine/leetcode/65.%20Valid%20Number/Claude/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">Valid Number Problem - 有限状態機械アルゴリズム解説</span></span><span class="file-path">Mathematics/Finite State Machine/leetcode/65. Valid Number/Claude/README.html</span></a></li>
-<li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Exponentiation%20by%20Squaring/leetcode/50.%20Pow%28x%2C%20n%29/Claude/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">pow(x, n) アルゴリズム解析</span></span><span class="file-path">Mathematics/Exponentiation by Squaring/leetcode/50. Pow(x, n)/Claude/README.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Exponentiation%20by%20Squaring/leetcode/50.%20Pow%28x%2C%20n%29/Claude/README%20detailed.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">pow(x, n) アルゴリズム解析</span></span><span class="file-path">Mathematics/Exponentiation by Squaring/leetcode/50. Pow(x, n)/Claude/README detailed.html</span></a></li>
+<li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Exponentiation%20by%20Squaring/leetcode/50.%20Pow%28x%2C%20n%29/Claude/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">pow(x, n) アルゴリズム解析</span></span><span class="file-path">Mathematics/Exponentiation by Squaring/leetcode/50. Pow(x, n)/Claude/README.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Number%20Theory/HackerRank/Easy/Primitive_Problem.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">原始根の発見 - HackerRank問題解説</span></span><span class="file-path">Mathematics/Number Theory/HackerRank/Easy/Primitive_Problem.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Other/atcoder/B45/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">整数を全て0にする問題 - 可視化デモ</span></span><span class="file-path">Mathematics/Other/atcoder/B45/README.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Multiply%20Strings/leetcode/43.%20Multiply%20Strings/Claude/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">文字列掛け算アルゴリズムの詳細解析</span></span><span class="file-path">Mathematics/Multiply Strings/leetcode/43. Multiply Strings/Claude/README.html</span></a></li>
@@ -764,8 +764,8 @@ <h1 class="site-title">
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Fundamentals/HackerRank/Claude/Easy/moving-tiles-visualization.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">Moving Tiles - 重なり面積の時間逆算</span></span><span class="file-path">Mathematics/Fundamentals/HackerRank/Claude/Easy/moving-tiles-visualization.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Combination%20Calculation/leetcode/62.%20Unique%20Paths/Claude/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">Robot Unique Paths - 技術解説</span></span><span class="file-path">Mathematics/Combination Calculation/leetcode/62. Unique Paths/Claude/README.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Finite%20State%20Machine/leetcode/65.%20Valid%20Number/Claude/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">Valid Number Problem - 有限状態機械アルゴリズム解説</span></span><span class="file-path">Mathematics/Finite State Machine/leetcode/65. Valid Number/Claude/README.html</span></a></li>
-<li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Exponentiation%20by%20Squaring/leetcode/50.%20Pow%28x%2C%20n%29/Claude/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">pow(x, n) アルゴリズム解析</span></span><span class="file-path">Mathematics/Exponentiation by Squaring/leetcode/50. Pow(x, n)/Claude/README.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Exponentiation%20by%20Squaring/leetcode/50.%20Pow%28x%2C%20n%29/Claude/README%20detailed.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">pow(x, n) アルゴリズム解析</span></span><span class="file-path">Mathematics/Exponentiation by Squaring/leetcode/50. Pow(x, n)/Claude/README detailed.html</span></a></li>
+<li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Exponentiation%20by%20Squaring/leetcode/50.%20Pow%28x%2C%20n%29/Claude/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">pow(x, n) アルゴリズム解析</span></span><span class="file-path">Mathematics/Exponentiation by Squaring/leetcode/50. Pow(x, n)/Claude/README.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Number%20Theory/HackerRank/Easy/Primitive_Problem.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">原始根の発見 - HackerRank問題解説</span></span><span class="file-path">Mathematics/Number Theory/HackerRank/Easy/Primitive_Problem.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Other/atcoder/B45/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">整数を全て0にする問題 - 可視化デモ</span></span><span class="file-path">Mathematics/Other/atcoder/B45/README.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Multiply%20Strings/leetcode/43.%20Multiply%20Strings/Claude/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">文字列掛け算アルゴリズムの詳細解析</span></span><span class="file-path">Mathematics/Multiply Strings/leetcode/43. Multiply Strings/Claude/README.html</span></a></li>
@@ -784,7 +784,7 @@ <h1 class="site-title">
 
     <footer>
         <span class="footer-icon">🧪</span>
-        Generated on 2026-02-20 06:50:34 UTC
+        Generated on 2026-02-20 06:51:15 UTC
     </footer>
 
     <script>

From fe66814183c4c69dafa433b6a8a158eb8978c891 Mon Sep 17 00:00:00 2001
From: myoshizumi <myoshizumi@alumni.berklee.edu>
Date: Fri, 20 Feb 2026 16:14:39 +0900
Subject: [PATCH 10/14] refactor: use event delegation for tabs and improve
 card stagger animation

---
 generate_index.py | 33 +++++++++++++++++++++++++--------
 public/index.html | 37 +++++++++++++++++++++++++------------
 2 files changed, 50 insertions(+), 20 deletions(-)

diff --git a/generate_index.py b/generate_index.py
index acddacff..0d0d50d9 100644
--- a/generate_index.py
+++ b/generate_index.py
@@ -163,7 +163,10 @@ def generate_index(self) -> None:
                     if category.startswith('.'):
                         continue
 
-                    title = self.get_html_title(filepath)
+                    try:
+                        title = self.get_html_title(filepath)
+                    except Exception:
+                        title = os.path.basename(filepath)
                     structure[category].append((title, rel_path))
 
         # Sort categories and files
@@ -611,13 +614,14 @@ def generate_index(self) -> None:
         <span class="search-icon">\U0001F50D</span>
         <input type="text" id="searchInput" class="search-input"
                placeholder="Search problems... (e.g. Binary Search, DP, LeetCode 91)"
+               aria-label="Search problems"
                autocomplete="off">
         <span id="searchCount" class="search-count"></span>
         <button id="searchClear" class="search-clear" aria-label="Clear search">\u00D7</button>
     </div>
 
     <div class="tabs" id="categoryTabs">
-        <button class="tab-button active" data-category="all" onclick="openTab(event, 'All')">
+        <button class="tab-button active" data-category="all" data-tab-target="All">
             <span class="tab-icon">\U0001F30D</span> All <span class="tab-count">{total_count}</span>
         </button>
         {tabs}
@@ -736,16 +740,16 @@ def generate_index(self) -> None:
         function applyStaggerAnimation(tabId) {{
             const tab = document.getElementById(tabId);
             const items = tab.querySelectorAll('.file-item:not(.hidden-item)');
+            items.forEach(item => {{ item.style.animation = 'none'; }});
+            tab.offsetHeight;
             items.forEach((item, i) => {{
-                item.style.animation = 'none';
-                item.offsetHeight;
                 item.style.animation = '';
                 item.style.animationDelay = (i * 0.04) + 's';
             }});
         }}
 
         /* Tab Navigation */
-        function openTab(evt, categoryName) {{
+        function openTab(categoryName) {{
             document.querySelectorAll('.tab-content').forEach(tc => {{
                 tc.style.display = 'none';
                 tc.classList.remove('active');
@@ -757,7 +761,8 @@ def generate_index(self) -> None:
             const target = document.getElementById(categoryName);
             target.style.display = 'block';
             target.classList.add('active');
-            evt.currentTarget.classList.add('active');
+            const btn = document.querySelector('.tab-button[data-tab-target="' + categoryName + '"]');
+            if (btn) btn.classList.add('active');
 
             const input = document.getElementById('searchInput');
             if (input.value) {{
@@ -850,9 +855,20 @@ def generate_index(self) -> None:
             }});
         }}
 
+        /* Tab Delegation */
+        function initTabs() {{
+            document.getElementById('categoryTabs').addEventListener('click', (evt) => {{
+                const btn = evt.target.closest('.tab-button');
+                if (btn && btn.dataset.tabTarget) {{
+                    openTab(btn.dataset.tabTarget);
+                }}
+            }});
+        }}
+
         /* Init */
         window.addEventListener('DOMContentLoaded', () => {{
             initTheme();
+            initTabs();
             initPagination();
             initSearch();
         }});
@@ -870,8 +886,9 @@ def generate_index(self) -> None:
             count = len(files)
             icon = category_icons.get(category, '')
             css_cat = category.lower()
+            safe_category = html.escape(category, quote=True)
 
-            tabs_html += f'<button class="tab-button" data-category="{css_cat}" onclick="openTab(event, \'{category}\')"><span class="tab-icon">{icon}</span> {category} <span class="tab-count">{count}</span></button>\n'
+            tabs_html += f'<button class="tab-button" data-category="{css_cat}" data-tab-target="{safe_category}"><span class="tab-icon">{icon}</span> {safe_category} <span class="tab-count">{count}</span></button>\n'
 
             file_list_html = '<ul class="file-list">\n'
             for title, path in files:
@@ -883,7 +900,7 @@ def generate_index(self) -> None:
                 all_files_html += item_html
             file_list_html += '</ul>'
 
-            tab_contents_html += f'<div id="{category}" class="tab-content">\n{file_list_html}\n<div class="no-results"><span class="no-results-icon">\U0001F50E</span>No results found</div>\n</div>\n'
+            tab_contents_html += f'<div id="{safe_category}" class="tab-content">\n{file_list_html}\n<div class="no-results"><span class="no-results-icon">\U0001F50E</span>No results found</div>\n</div>\n'
 
         final_html = html_template.format(
             tabs=tabs_html,
diff --git a/public/index.html b/public/index.html
index 82a39e61..c74afc70 100644
--- a/public/index.html
+++ b/public/index.html
@@ -423,21 +423,22 @@ <h1 class="site-title">
         <span class="search-icon">🔍</span>
         <input type="text" id="searchInput" class="search-input"
                placeholder="Search problems... (e.g. Binary Search, DP, LeetCode 91)"
+               aria-label="Search problems"
                autocomplete="off">
         <span id="searchCount" class="search-count"></span>
         <button id="searchClear" class="search-clear" aria-label="Clear search">×</button>
     </div>
 
     <div class="tabs" id="categoryTabs">
-        <button class="tab-button active" data-category="all" onclick="openTab(event, 'All')">
+        <button class="tab-button active" data-category="all" data-tab-target="All">
             <span class="tab-icon">🌍</span> All <span class="tab-count">151</span>
         </button>
-        <button class="tab-button" data-category="algorithm" onclick="openTab(event, 'Algorithm')"><span class="tab-icon">🧩</span> Algorithm <span class="tab-count">84</span></button>
-<button class="tab-button" data-category="concurrency" onclick="openTab(event, 'Concurrency')"><span class="tab-icon">⚡</span> Concurrency <span class="tab-count">6</span></button>
-<button class="tab-button" data-category="datastructures" onclick="openTab(event, 'DataStructures')"><span class="tab-icon">🏗️</span> DataStructures <span class="tab-count">35</span></button>
-<button class="tab-button" data-category="javascript" onclick="openTab(event, 'JavaScript')"><span class="tab-icon">📜</span> JavaScript <span class="tab-count">11</span></button>
-<button class="tab-button" data-category="mathematics" onclick="openTab(event, 'Mathematics')"><span class="tab-icon">📐</span> Mathematics <span class="tab-count">12</span></button>
-<button class="tab-button" data-category="sql" onclick="openTab(event, 'SQL')"><span class="tab-icon">🗃️</span> SQL <span class="tab-count">3</span></button>
+        <button class="tab-button" data-category="algorithm" data-tab-target="Algorithm"><span class="tab-icon">🧩</span> Algorithm <span class="tab-count">84</span></button>
+<button class="tab-button" data-category="concurrency" data-tab-target="Concurrency"><span class="tab-icon">⚡</span> Concurrency <span class="tab-count">6</span></button>
+<button class="tab-button" data-category="datastructures" data-tab-target="DataStructures"><span class="tab-icon">🏗️</span> DataStructures <span class="tab-count">35</span></button>
+<button class="tab-button" data-category="javascript" data-tab-target="JavaScript"><span class="tab-icon">📜</span> JavaScript <span class="tab-count">11</span></button>
+<button class="tab-button" data-category="mathematics" data-tab-target="Mathematics"><span class="tab-icon">📐</span> Mathematics <span class="tab-count">12</span></button>
+<button class="tab-button" data-category="sql" data-tab-target="SQL"><span class="tab-icon">🗃️</span> SQL <span class="tab-count">3</span></button>
 
     </div>
 
@@ -784,7 +785,7 @@ <h1 class="site-title">
 
     <footer>
         <span class="footer-icon">🧪</span>
-        Generated on 2026-02-20 06:50:34 UTC
+        Generated on 2026-02-20 07:11:56 UTC
     </footer>
 
     <script>
@@ -886,16 +887,16 @@ <h1 class="site-title">
         function applyStaggerAnimation(tabId) {
             const tab = document.getElementById(tabId);
             const items = tab.querySelectorAll('.file-item:not(.hidden-item)');
+            items.forEach(item => { item.style.animation = 'none'; });
+            tab.offsetHeight;
             items.forEach((item, i) => {
-                item.style.animation = 'none';
-                item.offsetHeight;
                 item.style.animation = '';
                 item.style.animationDelay = (i * 0.04) + 's';
             });
         }
 
         /* Tab Navigation */
-        function openTab(evt, categoryName) {
+        function openTab(categoryName) {
             document.querySelectorAll('.tab-content').forEach(tc => {
                 tc.style.display = 'none';
                 tc.classList.remove('active');
@@ -907,7 +908,8 @@ <h1 class="site-title">
             const target = document.getElementById(categoryName);
             target.style.display = 'block';
             target.classList.add('active');
-            evt.currentTarget.classList.add('active');
+            const btn = document.querySelector('.tab-button[data-tab-target="' + categoryName + '"]');
+            if (btn) btn.classList.add('active');
 
             const input = document.getElementById('searchInput');
             if (input.value) {
@@ -1000,9 +1002,20 @@ <h1 class="site-title">
             });
         }
 
+        /* Tab Delegation */
+        function initTabs() {
+            document.getElementById('categoryTabs').addEventListener('click', (evt) => {
+                const btn = evt.target.closest('.tab-button');
+                if (btn && btn.dataset.tabTarget) {
+                    openTab(btn.dataset.tabTarget);
+                }
+            });
+        }
+
         /* Init */
         window.addEventListener('DOMContentLoaded', () => {
             initTheme();
+            initTabs();
             initPagination();
             initSearch();
         });

From 4887ca5d9010a6a9f2551d4807282f03ea251cd3 Mon Sep 17 00:00:00 2001
From: myoshi2891 <96483039+myoshi2891@users.noreply.github.com>
Date: Fri, 20 Feb 2026 07:18:21 +0000
Subject: [PATCH 11/14] build: auto-generate public directory

---
 public/index.html | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/public/index.html b/public/index.html
index feb4ddd1..b1682669 100644
--- a/public/index.html
+++ b/public/index.html
@@ -587,8 +587,8 @@ <h1 class="site-title">
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Fundamentals/HackerRank/Claude/Easy/moving-tiles-visualization.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">Moving Tiles - 重なり面積の時間逆算</span></span><span class="file-path">Mathematics/Fundamentals/HackerRank/Claude/Easy/moving-tiles-visualization.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Combination%20Calculation/leetcode/62.%20Unique%20Paths/Claude/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">Robot Unique Paths - 技術解説</span></span><span class="file-path">Mathematics/Combination Calculation/leetcode/62. Unique Paths/Claude/README.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Finite%20State%20Machine/leetcode/65.%20Valid%20Number/Claude/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">Valid Number Problem - 有限状態機械アルゴリズム解説</span></span><span class="file-path">Mathematics/Finite State Machine/leetcode/65. Valid Number/Claude/README.html</span></a></li>
-<li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Exponentiation%20by%20Squaring/leetcode/50.%20Pow%28x%2C%20n%29/Claude/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">pow(x, n) アルゴリズム解析</span></span><span class="file-path">Mathematics/Exponentiation by Squaring/leetcode/50. Pow(x, n)/Claude/README.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Exponentiation%20by%20Squaring/leetcode/50.%20Pow%28x%2C%20n%29/Claude/README%20detailed.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">pow(x, n) アルゴリズム解析</span></span><span class="file-path">Mathematics/Exponentiation by Squaring/leetcode/50. Pow(x, n)/Claude/README detailed.html</span></a></li>
+<li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Exponentiation%20by%20Squaring/leetcode/50.%20Pow%28x%2C%20n%29/Claude/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">pow(x, n) アルゴリズム解析</span></span><span class="file-path">Mathematics/Exponentiation by Squaring/leetcode/50. Pow(x, n)/Claude/README.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Number%20Theory/HackerRank/Easy/Primitive_Problem.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">原始根の発見 - HackerRank問題解説</span></span><span class="file-path">Mathematics/Number Theory/HackerRank/Easy/Primitive_Problem.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Other/atcoder/B45/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">整数を全て0にする問題 - 可視化デモ</span></span><span class="file-path">Mathematics/Other/atcoder/B45/README.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Multiply%20Strings/leetcode/43.%20Multiply%20Strings/Claude/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">文字列掛け算アルゴリズムの詳細解析</span></span><span class="file-path">Mathematics/Multiply Strings/leetcode/43. Multiply Strings/Claude/README.html</span></a></li>
@@ -765,8 +765,8 @@ <h1 class="site-title">
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Fundamentals/HackerRank/Claude/Easy/moving-tiles-visualization.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">Moving Tiles - 重なり面積の時間逆算</span></span><span class="file-path">Mathematics/Fundamentals/HackerRank/Claude/Easy/moving-tiles-visualization.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Combination%20Calculation/leetcode/62.%20Unique%20Paths/Claude/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">Robot Unique Paths - 技術解説</span></span><span class="file-path">Mathematics/Combination Calculation/leetcode/62. Unique Paths/Claude/README.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Finite%20State%20Machine/leetcode/65.%20Valid%20Number/Claude/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">Valid Number Problem - 有限状態機械アルゴリズム解説</span></span><span class="file-path">Mathematics/Finite State Machine/leetcode/65. Valid Number/Claude/README.html</span></a></li>
-<li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Exponentiation%20by%20Squaring/leetcode/50.%20Pow%28x%2C%20n%29/Claude/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">pow(x, n) アルゴリズム解析</span></span><span class="file-path">Mathematics/Exponentiation by Squaring/leetcode/50. Pow(x, n)/Claude/README.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Exponentiation%20by%20Squaring/leetcode/50.%20Pow%28x%2C%20n%29/Claude/README%20detailed.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">pow(x, n) アルゴリズム解析</span></span><span class="file-path">Mathematics/Exponentiation by Squaring/leetcode/50. Pow(x, n)/Claude/README detailed.html</span></a></li>
+<li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Exponentiation%20by%20Squaring/leetcode/50.%20Pow%28x%2C%20n%29/Claude/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">pow(x, n) アルゴリズム解析</span></span><span class="file-path">Mathematics/Exponentiation by Squaring/leetcode/50. Pow(x, n)/Claude/README.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Number%20Theory/HackerRank/Easy/Primitive_Problem.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">原始根の発見 - HackerRank問題解説</span></span><span class="file-path">Mathematics/Number Theory/HackerRank/Easy/Primitive_Problem.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Other/atcoder/B45/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">整数を全て0にする問題 - 可視化デモ</span></span><span class="file-path">Mathematics/Other/atcoder/B45/README.html</span></a></li>
 <li class="file-item" data-category="mathematics"><a class="file-link" href="Mathematics/Multiply%20Strings/leetcode/43.%20Multiply%20Strings/Claude/README.html"><span class="card-header"><span class="card-icon">📐</span><span class="card-title">文字列掛け算アルゴリズムの詳細解析</span></span><span class="file-path">Mathematics/Multiply Strings/leetcode/43. Multiply Strings/Claude/README.html</span></a></li>
@@ -785,7 +785,7 @@ <h1 class="site-title">
 
     <footer>
         <span class="footer-icon">🧪</span>
-        Generated on 2026-02-20 07:17:18 UTC
+        Generated on 2026-02-20 07:18:20 UTC
     </footer>
 
     <script>

From 6b3cf18e99aea9cf7b9608d4060e7d33b345875d Mon Sep 17 00:00:00 2001
From: "coderabbitai[bot]"
 <136622811+coderabbitai[bot]@users.noreply.github.com>
Date: Fri, 20 Feb 2026 07:19:46 +0000
Subject: [PATCH 12/14] =?UTF-8?q?=F0=9F=93=9D=20Add=20docstrings=20to=20`d?=
 =?UTF-8?q?ev-from-macmini`?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Docstrings generation was requested by @myoshi2891.

* https://github.com/myoshi2891/Algorithm-DataStructures-Math-SQL/pull/278#issuecomment-3931297875

The following files were modified:

* `generate_index.py`
---
 generate_index.py | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/generate_index.py b/generate_index.py
index 0d0d50d9..1a56f0f7 100644
--- a/generate_index.py
+++ b/generate_index.py
@@ -76,7 +76,14 @@ def copy_vendor_files(self, output_dir: str) -> None:
             print(f"Copied FontAwesome webfonts: {fa_fonts_src} -> {fa_fonts_dest}")
 
     def rewrite_html_content(self, content: str) -> str:
-        """Replaces CDN links with local vendor links."""
+        """
+        Rewrite known CDN asset URLs in an HTML document to their corresponding local vendor paths.
+        
+        Replaces specific external CDN links (React, Babel, Tailwind, PrismJS, FontAwesome, etc.) with local /vendor/... paths so the returned HTML references vendored assets.
+        
+        Returns:
+            The input HTML string with matched CDN URLs substituted by local vendor URLs.
+        """
         replacements = [
             # React
             ('https://unpkg.com/react@18/umd/react.development.js', '/vendor/react/react.development.js'),

From 5a8eca23c4bf04731603f2f3be2d4a3c241084ae Mon Sep 17 00:00:00 2001
From: "coderabbitai[bot]"
 <136622811+coderabbitai[bot]@users.noreply.github.com>
Date: Fri, 20 Feb 2026 07:20:01 +0000
Subject: [PATCH 13/14] build: auto-generate public directory

---
 public/index.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/public/index.html b/public/index.html
index b1682669..c8f71d87 100644
--- a/public/index.html
+++ b/public/index.html
@@ -785,7 +785,7 @@ <h1 class="site-title">
 
     <footer>
         <span class="footer-icon">🧪</span>
-        Generated on 2026-02-20 07:18:20 UTC
+        Generated on 2026-02-20 07:20:00 UTC
     </footer>
 
     <script>

From 18cdc11131b05b5f92273475ca6bfd3df1081bb4 Mon Sep 17 00:00:00 2001
From: myoshi2891 <96483039+myoshi2891@users.noreply.github.com>
Date: Fri, 20 Feb 2026 07:20:56 +0000
Subject: [PATCH 14/14] build: auto-generate public directory

---
 public/index.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/public/index.html b/public/index.html
index c8f71d87..371a7213 100644
--- a/public/index.html
+++ b/public/index.html
@@ -785,7 +785,7 @@ <h1 class="site-title">
 
     <footer>
         <span class="footer-icon">🧪</span>
-        Generated on 2026-02-20 07:20:00 UTC
+        Generated on 2026-02-20 07:20:55 UTC
     </footer>
 
     <script>
