diff --git a/class.html b/class.html
index c5780dd..a3daeaf 100644
--- a/class.html
+++ b/class.html
@@ -4,119 +4,16 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>二四家（にしのや）</title>
-  <style>
-    body {
-      font-family: "Helvetica Neue", Arial, sans-serif;
-      background-color: #f2f2f2;
-      margin: 0;
-      padding: 0;
-    }
-
-    header {
-      background-color: orange;
-      padding: 10px;
-      display: flex;
-      justify-content: space-between;
-      align-items: center;
-      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
-    }
-
-    #logo-container {
-      display: flex;
-      align-items: center;
-    }
-
-    #logo {
-      margin-bottom: 5px;
-    }
-
-    h2 {
-      margin: 0;
-      font-size: 36px;
-      color: #333;
-    }
-
-   /* トグルボタンのスタイル */
-    .menu-toggle {
-      display: none;
-    }
-
-    .menu-toggle-label {
-      display: block;
-      cursor: pointer;
-      padding: 10px;
-      color: #fff;
-      font-size: 24px;
-    }
-
-    /* メニューのスタイル */
-    .menu {
-      display: none;
-      position: absolute;
-      top: 100%;
-      right: 0;
-      background-color: #f26522;
-      padding: 0;
-      list-style-type: none;
-      text-align: right;
-    }
-
-    .menu li {
-      margin-top: 10px;
-    }
-
-    .menu li a {
-      display: block;
-      padding: 10px;
-      color: #fff;
-      text-decoration: none;
-      transition: background-color 0.3s ease;
-    }
-
-    .menu li a:hover {
-      background-color: #e1561c;
-    }
-
-
-    #content {
-      max-width: 800px;
-      margin: 20px auto;
-      padding: 20px;
-      background-color: #fff;
-      border-radius: 5px;
-      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
-    }
-
-    h2 {
-      margin: 0 0 20px;
-      font-size: 24px;
-      color: #333;
-    }
-
-    p {
-      margin-bottom: 20px;
-      font-size: 16px;
-      line-height: 1.5;
-      color: #555;
-    }
-
-    footer {
-      background-color: #333;
-      padding: 20px;
-      text-align: center;
-      color: #fff;
-    }
-  </style>
+  <link href="static/css/default.css" rel="stylesheet">
 </head>
 <body>
   <header>
     <div id="logo-container">
-      <img id="logo" src="1686296908880.jpg" alt="二四家ロゴ" width="200px">
-      <h2> </h2>
+      <a href="index.html"><img id="logo" src="static/images/1686296908880.jpg" alt="二四家ロゴ" width="200px"></a>
     </div>
-    <input type="checkbox" id="menu-toggle" class="menu-toggle">
-    <label for="menu-toggle" class="menu-toggle-label">&#9776;</label>
     <nav>
+      <input type="checkbox" id="menu-toggle" class="menu-toggle">
+      <label for="menu-toggle" class="menu-toggle-label">&#9776;</label>
       <ul id="menu" class="menu">
         <li><a href="menu_details.html">メニューの詳細</a></li>
         <li><a href="specialty.html">御来店の際のご注意</a></li>
@@ -143,7 +40,7 @@
 
  <script>
 
-　document.addEventListener('DOMContentLoaded', function() {
+  document.addEventListener('DOMContentLoaded', function() {
       const menuToggle = document.getElementById('menu-toggle');
       const menu = document.getElementById('menu');
 
@@ -155,12 +52,6 @@
         }
       });
     });
-
-    // ロゴマークをクリックしたときにホームに戻るイベントを追加
-    const logoElement = document.getElementById("logo");
-    logoElement.addEventListener("click", function() {
-      window.location.href = "nishinoya.html";
-    });
   </script>
 </body>
 </html>
diff --git a/index.html b/index.html
new file mode 100644
index 0000000..a008a71
--- /dev/null
+++ b/index.html
@@ -0,0 +1,118 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <title>二四家（にしのや）</title>
+  <link href="static/css/default.css" rel="stylesheet">
+  <link href="static/css/common.css" rel="stylesheet">
+</head>
+<body>
+  <header>
+    <div id="logo-container">
+      <a href="index.html"><img id="logo" src="static/images/1686296908880.jpg" alt="二四家ロゴ" width="200px"></a>
+    </div>
+    <nav>
+      <input type="checkbox" id="menu-toggle" class="menu-toggle">
+      <label for="menu-toggle" class="menu-toggle-label">&#9776;</label>
+      <ul id="menu" class="menu">
+        <li><a href="menu_details.html">メニューの詳細</a></li>
+        <li><a href="specialty.html">御来店の際のご注意</a></li>
+        <li><a href="class.html">2年4組について</a></li>
+        <li><a href="photo_booth.html">フォトブース</a></li>
+      </ul>
+    </nav>
+  </header>
+  <img id="top-image" src="static/images/1686401596506.jpg" alt="トップページ画像" width="100%" style="display: block; margin: 20px auto;">
+
+  <div id="content">
+    <h2>販売商品</h2>
+
+    <div class="product">
+      <img src="static/images/168648729145000000.jpg" alt="極限豚丼">
+      <div>
+        <h3>極限豚丼 300円</h3>
+        <p>濃厚な味わいが特徴の極限豚丼です。</p>
+      </div>
+    </div>
+
+    <div class="product">
+      <img src="static/images/168648729942700000.jpg" alt="みたらし団子">
+      <div>
+        <h3>みたらし団子 100円</h3>
+        <p>優しい甘さが魅力のみたらし団子です。</p>
+      </div>
+    </div>
+
+    <h2>キャッチコピー - 邦を開く味わい</h2>
+    <p>「開邦雄飛」 開邦高校の校訓であるこの言葉のよう、邦を開き世界へ羽ばたく私たちの志を表現しています。</p>
+  </div>
+
+  <!--カウンタはサーバーサイド処理が必要なので無効化-->
+    <!--
+ <p>アクセスカウンター: <span id="counter">0</span></p>
+  <p>累計アクセス数: <span id="total-counter">0</span></p>
+  -->
+
+ <script>
+  // bodyの末尾に書いているのでイベント内に書く必要はない
+  document.addEventListener('DOMContentLoaded', function() {
+      const menuToggle = document.getElementById('menu-toggle');
+      const menu = document.getElementById('menu');
+
+      menuToggle.addEventListener('change', function() {
+        if (menuToggle.checked) {
+          menu.style.display = 'block';
+        } else {
+          menu.style.display = 'none';
+        }
+      });
+    });
+/* カウンタはサーバーサイド処理が必要なので無効化
+  // アクセスカウンターのプログラム
+let counter = 0;
+const counterElement = document.getElementById("counter");
+const totalCounterElement = document.getElementById("total-counter");
+
+function incrementCounter() {
+  counter++;
+  counterElement.textContent = counter;
+
+  // ブラウザのローカルストレージにカウンターの値を保存
+  localStorage.setItem("accessCounter", counter);
+}
+
+// ページが読み込まれた時にカウンターを初期化
+window.addEventListener("load", function() {
+  // ローカルストレージからカウンターの値を取得
+  const storedCounter = localStorage.getItem("accessCounter");
+  if (storedCounter) {
+    counter = parseInt(storedCounter);
+    counterElement.textContent = counter;
+  }
+});
+
+// ウィンドウが閉じられる時に累計アクセス数を更新
+window.addEventListener("beforeunload", function() {
+  // ブラウザのローカルストレージから累計アクセス数を取得
+  const storedTotalCounter = localStorage.getItem("totalAccessCounter");
+  let totalCounter = 0;
+  if (storedTotalCounter) {
+    totalCounter = parseInt(storedTotalCounter);
+  }
+
+  totalCounter += counter;
+  totalCounterElement.textContent = totalCounter;
+
+  // 更新した累計アクセス数をブラウザのローカルストレージに保存
+  localStorage.setItem("totalAccessCounter", totalCounter);
+});
+*/
+  </script>
+
+  <footer>
+    &copy; 2023 二四家 All rights reserved.
+  </footer>
+
+</body>
+</html>
\ No newline at end of file
diff --git a/menu_details.html b/menu_details.html
index 55ffbe9..c58e328 100644
--- a/menu_details.html
+++ b/menu_details.html
@@ -4,138 +4,16 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>二四家（にしのや）</title>
-  <style>
-    body {
-      font-family: "Helvetica Neue", Arial, sans-serif;
-      background-color: #f2f2f2;
-      margin: 0;
-      padding: 0;
-    }
-
-    header {
-      background-color: orange;
-      padding: 10px;
-      display: flex;
-      justify-content: space-between;
-      align-items: center;
-      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
-    }
-
-    #logo-container {
-      display: flex;
-      align-items: center;
-    }
-
-    #logo {
-      margin-bottom: 5px;
-    }
-
-    h2 {
-      margin: 0;
-      font-size: 36px;
-      color: #333;
-    }
-
-   /* トグルボタンのスタイル */
-    .menu-toggle {
-      display: none;
-    }
-
-    .menu-toggle-label {
-      display: block;
-      cursor: pointer;
-      padding: 10px;
-      color: #fff;
-      font-size: 24px;
-    }
-
-    /* メニューのスタイル */
-    .menu {
-      display: none;
-      position: absolute;
-      top: 100%;
-      right: 0;
-      background-color: #f26522;
-      padding: 0;
-      list-style-type: none;
-      text-align: right;
-    }
-
-    .menu li {
-      margin-top: 10px;
-    }
-
-    .menu li a {
-      display: block;
-      padding: 10px;
-      color: #fff;
-      text-decoration: none;
-      transition: background-color 0.3s ease;
-    }
-
-    .menu li a:hover {
-      background-color: #e1561c;
-    }
-
-
-    #content {
-      max-width: 800px;
-      margin: 20px auto;
-      padding: 20px;
-      background-color: #fff;
-      border-radius: 5px;
-      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
-    }
-
-    h2 {
-      margin: 0 0 20px;
-      font-size: 24px;
-      color: #333;
-    }
-
-    p {
-      margin-bottom: 20px;
-      font-size: 16px;
-      line-height: 1.5;
-      color: #555;
-    }
-
-    .product {
-      display: grid;
-      grid-template-columns: 1fr 2fr;
-      grid-gap: 20px;
-      margin-bottom: 20px;
-    }
-
-    .product img {
-      max-width: 600px; /* 修正: 幅を最大600pxに制限 */
-      height: auto; /* 高さは自動調整 */
-      border-radius: 5px;
-    }
-
-    .product h3 {
-      margin: 0;
-      font-size: 24px;
-      color: #333;
-    }
-
-    footer {
-      background-color: #333;
-      padding: 20px;
-      text-align: center;
-      color: #fff;
-    }
-  </style>
+  <link href="static/css/default.css" rel="stylesheet">
 </head>
 <body>
   <header>
     <div id="logo-container">
-      <img id="logo" src="1686296908880.jpg" alt="二四家ロゴ" width="200px">
-      <h2> </h2>
+      <a href="index.html"><img id="logo" src="static/images/1686296908880.jpg" alt="二四家ロゴ" width="200px"></a>
     </div>
-    <input type="checkbox" id="menu-toggle" class="menu-toggle">
-    <label for="menu-toggle" class="menu-toggle-label">&#9776;</label>
     <nav>
+      <input type="checkbox" id="menu-toggle" class="menu-toggle">
+      <label for="menu-toggle" class="menu-toggle-label">&#9776;</label>
       <ul id="menu" class="menu">
         <li><a href="menu_details.html">メニューの詳細</a></li>
         <li><a href="specialty.html">御来店の際のご注意</a></li>
@@ -147,12 +25,12 @@
 
   <div id="content">
     <h2>極限豚丼</h2>
-    <img src="168648729145000000.jpg" alt="究極豚丼">
+    <img src="static/images/168648729145000000.jpg" alt="究極豚丼">
     <p>濃厚な味わいが特徴の極限豚丼です。</p>
     <p>具材には厳選した豚肉を使用し、秘伝のタレとの相性が絶妙です。</p>
 
     <h2>みたらし団子</h2>
-    <img src="168648729942700000.jpg" alt="みたらし団子">
+    <img src="static/images/168648729942700000.jpg" alt="みたらし団子">
     <p>優しい甘さが魅力のみたらし団子です。</p>
     <p>もちもちとした食感と、特製のみたらしソースが絶妙なハーモニーを奏でます。</p>
   </div>
@@ -163,7 +41,7 @@
 
 
  <script>
-　document.addEventListener('DOMContentLoaded', function() {
+  document.addEventListener('DOMContentLoaded', function() {
       const menuToggle = document.getElementById('menu-toggle');
       const menu = document.getElementById('menu');
 
@@ -175,12 +53,6 @@
         }
       });
     });
-
-    // ロゴマークをクリックしたときにホームに戻るイベントを追加
-    const logoElement = document.getElementById("logo");
-    logoElement.addEventListener("click", function() {
-      window.location.href = "nishinoya.html";
-    });
   </script>
 </body>
 </html>
diff --git a/nishinoya.html b/nishinoya.html
deleted file mode 100644
index 4b8b090..0000000
--- a/nishinoya.html
+++ /dev/null
@@ -1,243 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-  <meta charset="UTF-8">
-  <meta name="viewport" content="width=device-width, initial-scale=1.0">
-  <title>二四家（にしのや）</title>
-  <style>
-    body {
-      font-family: "Helvetica Neue", Arial, sans-serif;
-      background-color: #f2f2f2;
-      margin: 0;
-      padding: 0;
-    }
-
-    header {
-      background-color: orange;
-      padding: 10px;
-      display: flex;
-      justify-content: space-between;
-      align-items: center;
-      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
-    }
-
-    #logo-container {
-      display: flex;
-      align-items: center;
-    }
-
-    #logo {
-      margin-bottom: 5px;
-    }
-
-    h2 {
-      margin: 0;
-      font-size: 36px;
-      color: #333;
-    }
-
-   /* トグルボタンのスタイル */
-    .menu-toggle {
-      display: none;
-    }
-
-    .menu-toggle-label {
-      display: block;
-      cursor: pointer;
-      padding: 10px;
-      color: #fff;
-      font-size: 24px;
-    }
-
-    /* メニューのスタイル */
-    .menu {
-      display: none;
-      position: absolute;
-      top: 100%;
-      right: 0;
-      background-color: #f26522;
-      padding: 0;
-      list-style-type: none;
-      text-align: right;
-    }
-
-    .menu li {
-      margin-top: 10px;
-    }
-
-    .menu li a {
-      display: block;
-      padding: 10px;
-      color: #fff;
-      text-decoration: none;
-      transition: background-color 0.3s ease;
-    }
-
-    .menu li a:hover {
-      background-color: #e1561c;
-    }
-
-    #content {
-      max-width: 800px;
-      margin: 20px auto;
-      padding: 20px;
-      background-color: #fff;
-      border-radius: 5px;
-      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
-    }
-
-    h2 {
-      margin: 0 0 20px;
-      font-size: 24px;
-      color: #333;
-    }
-
-    p {
-      margin-bottom: 20px;
-      font-size: 16px;
-      line-height: 1.5;
-      color: #555;
-    }
-
-    .product {
-      display: grid;
-      grid-template-columns: 1fr 2fr;
-      grid-gap: 20px;
-      margin-bottom: 20px;
-    }
-
-    .product img {
-      width: 100%;
-      max-width: 400px;
-      border-radius: 5px;
-    }
-
-    .product h3 {
-      margin: 0;
-      font-size: 24px;
-      color: #333;
-    }
-
-    footer {
-      background-color: #333;
-      padding: 20px;
-      text-align: center;
-      color: #fff;
-    }
-  </style>
-</head>
-<body>
-  <header>
-    <div id="logo-container">
-      <img id="logo" src="1686296908880.jpg" alt="二四家ロゴ" width="200px">
-      <h2> </h2>
-    </div>
-    <input type="checkbox" id="menu-toggle" class="menu-toggle">
-    <label for="menu-toggle" class="menu-toggle-label">&#9776;</label>
-    <nav>
-      <ul id="menu" class="menu">
-        <li><a href="menu_details.html">メニューの詳細</a></li>
-        <li><a href="specialty.html">御来店の際のご注意</a></li>
-        <li><a href="class.html">2年4組について</a></li>
-        <li><a href="photo_booth.html">フォトブース</a></li>
-      </ul>
-    </nav>
-  </header>
-  <img id="top-image" src="1686401596506.jpg" alt="トップページ画像" width="100%" style="display: block; margin: 20px auto;">
-
-  <div id="content">
-    <h2>販売商品</h2>
-
-    <div class="product">
-      <img src="168648729145000000.jpg" alt="極限豚丼">
-      <div>
-        <h3>極限豚丼　300円</h3>
-        <p>濃厚な味わいが特徴の極限豚丼です。</p>
-      </div>
-    </div>
-
-    <div class="product">
-      <img src="168648729942700000.jpg" alt="みたらし団子">
-      <div>
-        <h3>みたらし団子　100円</h3>
-        <p>優しい甘さが魅力のみたらし団子です。</p>
-      </div>
-    </div>
-
-    <h2>キャッチコピー - 邦を開く味わい</h2>
-    <p>「開邦雄飛」　開邦高校の校訓であるこの言葉のよう、邦を開き世界へ羽ばたく私たちの志を表現しています。</p>
-  </div>
-
-
- <p>アクセスカウンター: <span id="counter">0</span></p>
-  <p>累計アクセス数: <span id="total-counter">0</span></p>
-
-
- <script>
-
-　document.addEventListener('DOMContentLoaded', function() {
-      const menuToggle = document.getElementById('menu-toggle');
-      const menu = document.getElementById('menu');
-
-      menuToggle.addEventListener('change', function() {
-        if (menuToggle.checked) {
-          menu.style.display = 'block';
-        } else {
-          menu.style.display = 'none';
-        }
-      });
-    });
-
-    // ロゴマークをクリックしたときにホームに戻るイベントを追加
-    const logoElement = document.getElementById("logo");
-    logoElement.addEventListener("click", function() {
-      window.location.href = "nishinoya.html";
-    });
-
-  // アクセスカウンターのプログラム
-let counter = 0;
-const counterElement = document.getElementById("counter");
-const totalCounterElement = document.getElementById("total-counter");
-
-function incrementCounter() {
-  counter++;
-  counterElement.textContent = counter;
-
-  // ブラウザのローカルストレージにカウンターの値を保存
-  localStorage.setItem("accessCounter", counter);
-}
-
-// ページが読み込まれた時にカウンターを初期化
-window.addEventListener("load", function() {
-  // ローカルストレージからカウンターの値を取得
-  const storedCounter = localStorage.getItem("accessCounter");
-  if (storedCounter) {
-    counter = parseInt(storedCounter);
-    counterElement.textContent = counter;
-  }
-});
-
-// ウィンドウが閉じられる時に累計アクセス数を更新
-window.addEventListener("beforeunload", function() {
-  // ブラウザのローカルストレージから累計アクセス数を取得
-  const storedTotalCounter = localStorage.getItem("totalAccessCounter");
-  let totalCounter = 0;
-  if (storedTotalCounter) {
-    totalCounter = parseInt(storedTotalCounter);
-  }
-
-  totalCounter += counter;
-  totalCounterElement.textContent = totalCounter;
-
-  // 更新した累計アクセス数をブラウザのローカルストレージに保存
-  localStorage.setItem("totalAccessCounter", totalCounter);
-});
-
-  </script>
-
-  <footer>
-    &copy; 2023 二四家 All rights reserved.
-  </footer>
-
-</body>
-</html>
\ No newline at end of file
diff --git a/photo3.html b/photo3.html
deleted file mode 100644
index baa6f51..0000000
--- a/photo3.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
-<html><head>
-<title>404 Not Found</title>
-</head><body>
-<h1>Not Found</h1>
-<p>The requested URL /photo3.jpg was not found on this server.</p>
-</body></html>
diff --git a/photo4.html b/photo4.html
deleted file mode 100644
index 4d048ad..0000000
--- a/photo4.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
-<html><head>
-<title>404 Not Found</title>
-</head><body>
-<h1>Not Found</h1>
-<p>The requested URL /photo4.jpg was not found on this server.</p>
-</body></html>
diff --git a/photo5.html b/photo5.html
deleted file mode 100644
index af1bd82..0000000
--- a/photo5.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
-<html><head>
-<title>404 Not Found</title>
-</head><body>
-<h1>Not Found</h1>
-<p>The requested URL /photo5.jpg was not found on this server.</p>
-</body></html>
diff --git a/photo6.html b/photo6.html
deleted file mode 100644
index 05f2fd6..0000000
--- a/photo6.html
+++ /dev/null
@@ -1,7 +0,0 @@
-<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
-<html><head>
-<title>404 Not Found</title>
-</head><body>
-<h1>Not Found</h1>
-<p>The requested URL /photo6.jpg was not found on this server.</p>
-</body></html>
diff --git a/photo_booth.html b/photo_booth.html
index cfada6d..1f8548f 100644
--- a/photo_booth.html
+++ b/photo_booth.html
@@ -4,123 +4,17 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>二四家（にしのや）</title>
-  <style>
-    body {
-      font-family: "Helvetica Neue", Arial, sans-serif;
-      background-color: #f2f2f2;
-      margin: 0;
-      padding: 0;
-    }
-
-    header {
-      background-color: orange;
-      padding: 10px;
-      display: flex;
-      justify-content: space-between;
-      align-items: center;
-      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
-    }
-
-    #logo-container {
-      display: flex;
-      align-items: center;
-    }
-
-    #logo {
-      margin-bottom: 5px;
-    }
-
-    h2 {
-      margin: 0;
-      font-size: 36px;
-      color: #333;
-    }
-
-   /* トグルボタンのスタイル */
-    .menu-toggle {
-      display: none;
-    }
-
-    .menu-toggle-label {
-      display: block;
-      cursor: pointer;
-      padding: 10px;
-      color: #fff;
-      font-size: 24px;
-    }
-
-    /* メニューのスタイル */
-    .menu {
-      display: none;
-      position: absolute;
-      top: 100%;
-      right: 0;
-      background-color: #f26522;
-      padding: 0;
-      list-style-type: none;
-      text-align: right;
-    }
-
-    .menu li {
-      margin-top: 10px;
-    }
-
-    .menu li a {
-      display: block;
-      padding: 10px;
-      color: #fff;
-      text-decoration: none;
-      transition: background-color 0.3s ease;
-    }
-
-    .menu li a:hover {
-      background-color: #e1561c;
-    }
-
-    #content {
-      max-width: 800px;
-      margin: 20px auto;
-      padding: 20px;
-      background-color: #fff;
-      border-radius: 5px;
-      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
-    }
-
-    h2 {
-      margin: 0 0 20px;
-      font-size: 24px;
-      color: #333;
-    }
-
-    .photo-gallery {
-      display: grid;
-      grid-template-columns: repeat(3, 1fr);
-      grid-gap: 20px;
-      margin-top: 20px;
-    }
-
-    .photo-gallery img {
-      width: 100%;
-      border-radius: 5px;
-    }
-
-    footer {
-      background-color: #333;
-      padding: 20px;
-      text-align: center;
-      color: #fff;
-    }
-  </style>
+  <link href="static/css/default.css" rel="stylesheet">
+  <link href="static/css/common.css" rel="stylesheet">
 </head>
 <body>
   <header>
     <div id="logo-container">
-      <img id="logo" src="1686296908880.jpg" alt="二四家ロゴ" width="200px">
-      <h2> </h2>
+      <a href="index.html"><img id="logo" src="static/images/1686296908880.jpg" alt="二四家ロゴ" width="200px"></a>
     </div>
-    <input type="checkbox" id="menu-toggle" class="menu-toggle">
-    <label for="menu-toggle" class="menu-toggle-label">&#9776;</label>
     <nav>
+      <input type="checkbox" id="menu-toggle" class="menu-toggle">
+      <label for="menu-toggle" class="menu-toggle-label">&#9776;</label>
       <ul id="menu" class="menu">
         <li><a href="menu_details.html">メニューの詳細</a></li>
         <li><a href="specialty.html">御来店の際のご注意</a></li>
@@ -134,12 +28,15 @@
     <p>二四家では特別な思い出を作るためにフォトブースを設置しています。</p>
 
     <div class="photo-gallery">
-      <img src="katsuaki.jpg" alt="写真1">
-      <img src="1686813172839.jpg" alt="写真2">
+      <img src="static/images/katsuaki.jpg" alt="写真1">
+      <img src="static/images/1686813172839.jpg" alt="写真2">
+      <!-- 写真を追加するか削除 -->
+      <!--
       <img src="photo3.html" alt="写真3">
       <img src="photo4.html" alt="写真4">
       <img src="photo5.html" alt="写真5">
       <img src="photo6.html" alt="写真6">
+      -->
     </div>
   </div>
 
@@ -148,7 +45,7 @@
   </footer>
 
  <script>
-　document.addEventListener('DOMContentLoaded', function() {
+  document.addEventListener('DOMContentLoaded', function() {
       const menuToggle = document.getElementById('menu-toggle');
       const menu = document.getElementById('menu');
 
@@ -160,12 +57,6 @@
         }
       });
     });
-
-    // ロゴマークをクリックしたときにホームに戻るイベントを追加
-    const logoElement = document.getElementById("logo");
-    logoElement.addEventListener("click", function() {
-      window.location.href = "nishinoya.html";
-    });
   </script>
 </body>
 </html>
diff --git a/specialty.html b/specialty.html
index 1d377e0..6575966 100644
--- a/specialty.html
+++ b/specialty.html
@@ -4,118 +4,16 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>二四家（にしのや）</title>
-  <style>
-    body {
-      font-family: "Helvetica Neue", Arial, sans-serif;
-      background-color: #f2f2f2;
-      margin: 0;
-      padding: 0;
-    }
-
-    header {
-      background-color: orange;
-      padding: 10px;
-      display: flex;
-      justify-content: space-between;
-      align-items: center;
-      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
-    }
-
-    #logo-container {
-      display: flex;
-      align-items: center;
-    }
-
-    #logo {
-      margin-bottom: 5px;
-    }
-
-    h2 {
-      margin: 0;
-      font-size: 36px;
-      color: #333;
-    }
-
-   /* トグルボタンのスタイル */
-    .menu-toggle {
-      display: none;
-    }
-
-    .menu-toggle-label {
-      display: block;
-      cursor: pointer;
-      padding: 10px;
-      color: #fff;
-      font-size: 24px;
-    }
-
-    /* メニューのスタイル */
-    .menu {
-      display: none;
-      position: absolute;
-      top: 100%;
-      right: 0;
-      background-color: #f26522;
-      padding: 0;
-      list-style-type: none;
-      text-align: right;
-    }
-
-    .menu li {
-      margin-top: 10px;
-    }
-
-    .menu li a {
-      display: block;
-      padding: 10px;
-      color: #fff;
-      text-decoration: none;
-      transition: background-color 0.3s ease;
-    }
-
-    .menu li a:hover {
-      background-color: #e1561c;
-    }
-
-    #content {
-      max-width: 800px;
-      margin: 20px auto;
-      padding: 20px;
-      background-color: #fff;
-      border-radius: 5px;
-      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
-    }
-
-    h2 {
-      margin: 0 0 20px;
-      font-size: 24px;
-      color: #333;
-    }
-
-    p {
-      margin-bottom: 20px;
-      font-size: 16px;
-      line-height: 1.5;
-      color: #555;
-    }
-
-    footer {
-      background-color: #333;
-      padding: 20px;
-      text-align: center;
-      color: #fff;
-    }
-  </style>
+  <link href="static/css/default.css" rel="stylesheet">
 </head>
 <body>
   <header>
     <div id="logo-container">
-      <img id="logo" src="1686296908880.jpg" alt="二四家ロゴ" width="200px">
-      <h2> </h2>
+      <a href="index.html"><img id="logo" src="static/images/1686296908880.jpg" alt="二四家ロゴ" width="200px"></a>
     </div>
-    <input type="checkbox" id="menu-toggle" class="menu-toggle">
-    <label for="menu-toggle" class="menu-toggle-label">&#9776;</label>
     <nav>
+      <input type="checkbox" id="menu-toggle" class="menu-toggle">
+      <label for="menu-toggle" class="menu-toggle-label">&#9776;</label>
       <ul id="menu" class="menu">
         <li><a href="menu_details.html">メニューの詳細</a></li>
         <li><a href="specialty.html">御来店の際のご注意</a></li>
@@ -141,8 +39,7 @@
   </footer>
 
  <script>
-
-　document.addEventListener('DOMContentLoaded', function() {
+  document.addEventListener('DOMContentLoaded', function() {
       const menuToggle = document.getElementById('menu-toggle');
       const menu = document.getElementById('menu');
 
@@ -154,12 +51,6 @@
         }
       });
     });
-
-    // ロゴマークをクリックしたときにホームに戻るイベントを追加
-    const logoElement = document.getElementById("logo");
-    logoElement.addEventListener("click", function() {
-      window.location.href = "nishinoya.html";
-    });
   </script>
 </body>
 </html>
diff --git a/static/css/common.css b/static/css/common.css
new file mode 100644
index 0000000..7130a53
--- /dev/null
+++ b/static/css/common.css
@@ -0,0 +1,30 @@
+.product {
+  display: grid;
+  grid-template-columns: 1fr 2fr;
+  grid-gap: 20px;
+  margin-bottom: 20px;
+}
+
+.product img {
+  width: 100%;
+  max-width: 400px;
+  border-radius: 5px;
+}
+
+.product h3 {
+  margin: 0;
+  font-size: 24px;
+  color: #333;
+}
+
+.photo-gallery {
+  display: grid;
+  grid-template-columns: repeat(3, 1fr);
+  grid-gap: 20px;
+  margin-top: 20px;
+}
+
+.photo-gallery img {
+  width: 100%;
+  border-radius: 5px;
+}
\ No newline at end of file
diff --git a/static/css/default.css b/static/css/default.css
new file mode 100644
index 0000000..2ca8e22
--- /dev/null
+++ b/static/css/default.css
@@ -0,0 +1,99 @@
+html,
+body {
+  height: 100%;
+}
+
+body {
+  font-family: "Helvetica Neue", Arial, sans-serif;
+  background-color: #f2f2f2;
+  margin: 0;
+  padding: 0;
+}
+
+header {
+  background-color: orange;
+  padding: 10px;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
+}
+
+#logo-container img {
+  display: block;
+}
+
+#logo {
+  margin-bottom: 5px;
+}
+
+/* トグルボタンのスタイル */
+.menu-toggle {
+  display: none;
+}
+
+.menu-toggle-label {
+  display: block;
+  cursor: pointer;
+  padding: 10px;
+  color: #fff;
+  font-size: 24px;
+}
+
+/* メニューのスタイル */
+.menu {
+  display: none;
+  position: absolute;
+  right: 10px;
+  background-color: #f26522;
+  padding: 0;
+  list-style-type: none;
+  text-align: right;
+}
+
+.menu li {
+  margin-top: 10px;
+}
+
+.menu li a {
+  display: block;
+  padding: 10px;
+  color: #fff;
+  text-decoration: none;
+  transition: background-color 0.3s ease;
+}
+
+.menu li a:hover {
+  background-color: #e1561c;
+}
+
+#content {
+  max-width: 800px;
+  margin: 20px auto;
+  padding: 20px;
+  background-color: #fff;
+  border-radius: 5px;
+  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
+}
+
+h2 {
+  margin: 0 0 20px;
+  font-size: 24px;
+  color: #333;
+}
+
+p {
+  margin-bottom: 20px;
+  font-size: 16px;
+  line-height: 1.5;
+  color: #555;
+}
+
+footer {
+  position: sticky;
+  top: 100vh;
+  background-color: #333;
+  padding: 20px;
+  text-align: center;
+  color: #fff;
+}
\ No newline at end of file
diff --git a/1686296908880.jpg b/static/images/1686296908880.jpg
similarity index 100%
rename from 1686296908880.jpg
rename to static/images/1686296908880.jpg
diff --git a/1686401596506.jpg b/static/images/1686401596506.jpg
similarity index 100%
rename from 1686401596506.jpg
rename to static/images/1686401596506.jpg
diff --git a/168648729145000000.jpg b/static/images/168648729145000000.jpg
similarity index 100%
rename from 168648729145000000.jpg
rename to static/images/168648729145000000.jpg
diff --git a/168648729942700000.jpg b/static/images/168648729942700000.jpg
similarity index 100%
rename from 168648729942700000.jpg
rename to static/images/168648729942700000.jpg
diff --git a/1686813172839.jpg b/static/images/1686813172839.jpg
similarity index 100%
rename from 1686813172839.jpg
rename to static/images/1686813172839.jpg
diff --git a/katsuaki.jpg b/static/images/katsuaki.jpg
similarity index 100%
rename from katsuaki.jpg
rename to static/images/katsuaki.jpg
