diff --git a/_includes/footer.html b/_includes/footer.html
index 7160bb54..9b48e4de 100644
--- a/_includes/footer.html
+++ b/_includes/footer.html
@@ -9,7 +9,6 @@
         <a href="/#news">お知らせ</a>
         <a href="/register">来場応募する</a>
         <a href="/staff">運営に参加する</a>
-        <a href="/faq">よくある質問</a>
         <a href="/rules-junior">展示のお約束(ジュニア) </a>
         <a href="/conduct">行動規範</a>
         <a href="/privacy">プライバシーポリシー</a>
diff --git a/_includes/header.html b/_includes/header.html
index 0169a567..0ba99326 100644
--- a/_includes/header.html
+++ b/_includes/header.html
@@ -5,8 +5,8 @@
 
     <div class="flex py-1 px-4 items-center justify-between">
 
-      <div class="items-center flex justify-between gap-8">
-        <a class="block flex items-center gap-4 py-3" href="/">
+      <div class="items-center flex justify-between gap-8 flex-1">
+        <a class="flex items-center gap-4 py-3" href="/">
           <img
             src="/img/cpj.svg"
             class="h-12"
@@ -15,6 +15,7 @@
           />
         </a>
 
+        <!-- デスクトップナビゲーション -->
         <nav aria-label="Global" class="hidden md:block">
           <ul class="flex items-center gap-6 text-xl">
             <li>
@@ -30,13 +31,86 @@
               <a class="header-txt" href="/register"> 来場応募する </a>
             </li>
             <li>
-              <a class="header-txt" href="/faq"> よくある質問 </a>
+              <a class="header-txt" href="/contact"> お問い合わせ </a>
             </li>
           </ul>
         </nav>
 
+        <!-- ハンバーガーメニューボタン（モバイル） -->
+        <button id="mobile-menu-button" class="md:hidden p-2 text-gray-700 hover:bg-gray-100 rounded-lg transition">
+          <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" class="w-6 h-6">
+            <path stroke-linecap="round" stroke-linejoin="round" d="M3.75 6.75h16.5M3.75 12h16.5m-16.5 5.25h16.5" />
+          </svg>
+        </button>
+
       </div>
       <!--- <a href="/apply" class="button-base"> 作品を応募する </a> --->
     </div>
+
+    <!-- モバイルメニュー -->
+    <div id="mobile-menu" class="md:hidden bg-white border-t border-gray-200 overflow-hidden transition-all duration-300 ease-in-out" style="max-height: 0;">
+      <nav class="px-4 py-4">
+        <ul class="flex flex-col gap-4">
+          <li>
+            <a class="header-txt block py-2 px-4 text-lg hover:bg-gray-100 rounded-lg transition" href="/about"> 開催概要 </a>
+          </li>
+          <li>
+            <a class="header-txt block py-2 px-4 text-lg hover:bg-gray-100 rounded-lg transition" href="/#news"> お知らせ </a>
+          </li>
+          <li>
+            <a class="header-txt block py-2 px-4 text-lg hover:bg-gray-100 rounded-lg transition" href="/sponsors"> スポンサー </a>
+          </li>
+          <li>
+            <a class="header-txt block py-2 px-4 text-lg hover:bg-gray-100 rounded-lg transition" href="/register"> 来場応募する </a>
+          </li>
+          <li>
+            <a class="header-txt block py-2 px-4 text-lg hover:bg-gray-100 rounded-lg transition" href="/contact"> お問い合わせ </a>
+          </li>
+        </ul>
+      </nav>
+    </div>
   </div>
-</header>
\ No newline at end of file
+</header>
+
+<!-- ハンバーガーメニューのスクリプト -->
+<script>
+  document.addEventListener('DOMContentLoaded', function() {
+    const menuButton = document.getElementById('mobile-menu-button');
+    const mobileMenu = document.getElementById('mobile-menu');
+    let isOpen = false;
+
+    function openMenu() {
+      isOpen = true;
+      mobileMenu.style.maxHeight = mobileMenu.scrollHeight + 'px';
+    }
+
+    function closeMenu() {
+      isOpen = false;
+      mobileMenu.style.maxHeight = '0';
+    }
+
+    menuButton.addEventListener('click', function(e) {
+      e.stopPropagation();
+      if (isOpen) {
+        closeMenu();
+      } else {
+        openMenu();
+      }
+    });
+
+    // メニュー内のリンクをクリックしたらメニューを閉じる
+    const menuLinks = mobileMenu.querySelectorAll('a');
+    menuLinks.forEach(link => {
+      link.addEventListener('click', function() {
+        closeMenu();
+      });
+    });
+
+    // メニュー外をクリックしたら閉じる
+    document.addEventListener('click', function(event) {
+      if (isOpen && !menuButton.contains(event.target) && !mobileMenu.contains(event.target)) {
+        closeMenu();
+      }
+    });
+  });
+</script>
\ No newline at end of file
diff --git a/about.md b/about.md
index a1134d7f..65905c6c 100644
--- a/about.md
+++ b/about.md
@@ -10,23 +10,12 @@ hero_subtitle: "ABOUT"
       <!-- 開催概要 -->
       <div class="mb-16">
         <div class="mb-16 max-w-4xl mx-auto">
-          <div data-category="functional" class='relative w-full' style='padding-top: 56.25%;'>
-            <iframe class='absolute top-0 left-0 w-full h-full rounded-2xl' title="3分でわかるCoolest Projects Japan"
-              data-src="https://www.youtube.com/embed/l8udUqCLXY8?list=PL94GDfaSQTmIifXDGOaEoEgviPSv36OEo" frameborder="0"
+          <div class='relative w-full rounded-2xl overflow-hidden shadow-lg' style='padding-top: 56.25%;'>
+            <iframe class='absolute top-0 left-0 w-full h-full' title="3分でわかるCoolest Projects Japan"
+              src="https://www.youtube-nocookie.com/embed/l8udUqCLXY8?list=PL94GDfaSQTmIifXDGOaEoEgviPSv36OEo" frameborder="0"
               allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen>
             </iframe>
           </div>
-          <div data-category="!functional" class="bg-gray-100 border-2 border-gray-50 rounded-2xl px-8 py-30 text-center">
-            <p class="text-lg mb-4">
-              このコンテンツを表示するには、機能Cookieの許可が必要です。
-            </p>
-            <a class="group relative inline-block" href="https://www.youtube.com/watch?v=l8udUqCLXY8&list=PL94GDfaSQTmIifXDGOaEoEgviPSv36OEo" target="_blank">
-              <span class="absolute inset-0 translate-x-1.5 translate-y-1.5 bg-teal-500 transition-transform group-hover:translate-x-0 group-hover:translate-y-0"></span>
-              <span class="relative inline-block border-2 border-current px-8 py-3 text-sm font-bold tracking-widest text-black uppercase">
-                資料を別タブで開く
-              </span>
-            </a>
-          </div>
         </div>
         <!-- 開催概要見出し -->
         <div class="text-center mb-12">
@@ -93,27 +82,61 @@ hero_subtitle: "ABOUT"
             </tbody>
           </table>
         </div>
-        <!-- Google Map -->
+        <!-- Map (Leaflet.js) -->
         <div class="mb-12">
           <div class="text-center mb-6">
             <h3 class='text-4xl sm:text-5xl font-bold uppercase tracking-wider border-b-10 border-teal-500 inline-block' style="font-family: 'League Gothic', sans-serif; color: #221C35;">ACCESS</h3>
             <p class="text-xl mt-2" style="color: #444444;">アクセス</p>
           </div>
-          <div data-category="functional" class="rounded-2xl overflow-hidden shadow-lg">
-            <iframe data-src="https://www.google.com/maps/embed?pb=!1m18!1m12!1m3!1d83881.69282584515!2d136.76410603446325!3d35.15418320107424!2m3!1f0!2f0!3f0!3m2!1i1024!2i768!4f13.1!3m3!1m2!1s0x600377509b30ad27%3A0x7135c8b1be3ed740!2z44Gq44GU44Gu44Kt44Oj44Oz44OR44K5!5e0!3m2!1sja!2sjp!4v1766923169286!5m2!1sja!2sjp" width="100%" height="450" style="border:0;" allowfullscreen="" loading="lazy" referrerpolicy="no-referrer-when-downgrade"></iframe>
+          <div class="rounded-2xl overflow-hidden shadow-lg">
+            <div id="map" style="height: 450px; width: 100%;"></div>
           </div>
-          <div data-category="!functional" class="bg-gray-100 border-2 border-gray-50 rounded-2xl px-8 py-30 text-center">
-            <p class="text-lg mb-4">
-              このコンテンツを表示するには、機能Cookieの許可が必要です。
-            </p>
-            <a class="group relative inline-block" href="https://www.google.com/maps/place/%E3%81%AA%E3%81%94%E3%81%AE%E3%82%AD%E3%83%A3%E3%83%B3%E3%83%91%E3%82%B9/@35.1541832,136.7641061,12z" target="_blank">
+          <div class="text-center mt-8">
+            <a class="group relative inline-block" href="https://www.google.com/maps/place/%E3%81%AA%E3%81%94%E3%81%AE%E3%82%AD%E3%83%A3%E3%83%B3%E3%83%91%E3%82%B9/@35.154183,136.841054,15z" target="_blank">
               <span class="absolute inset-0 translate-x-1.5 translate-y-1.5 bg-teal-500 transition-transform group-hover:translate-x-0 group-hover:translate-y-0"></span>
               <span class="relative inline-block border-2 border-current px-8 py-3 text-sm font-bold tracking-widest text-black uppercase">
-                資料を別タブで開く
+                Google Mapで開く
               </span>
             </a>
           </div>
         </div>
+
+        <!-- Leaflet.js CSS & JS -->
+        <link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css"
+          integrity="sha256-p4NxAoJBhIIN+hmNHrzRCf9tD/miZyoHS5obTRR9BMY="
+          crossorigin=""/>
+        <script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js"
+          integrity="sha256-20nQCchB9co0qIjJZRGuk2/Z9VM+kNiyxNV1lvTlZBo="
+          crossorigin=""></script>
+
+        <script>
+          // なごのキャンパスの座標
+          const lat = 35.154183;
+          const lon = 136.841054;
+
+          // 地図を初期化
+          const map = L.map('map').setView([lat, lon], 15);
+
+          // OpenStreetMapのタイルレイヤーを追加
+          L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
+            attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors',
+            maxZoom: 19
+          }).addTo(map);
+
+          // マーカーを追加
+          const marker = L.marker([lat, lon]).addTo(map);
+
+          // 左上に固定表示される情報パネルを追加
+          const info = L.control({position: 'topleft'});
+
+          info.onAdd = function (map) {
+            this._div = L.DomUtil.create('div', 'info-panel');
+            this._div.innerHTML = '<div style="background: white; padding: 12px 16px; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.15); font-family: sans-serif;"><div style="font-weight: bold; font-size: 16px; margin-bottom: 4px;">なごのキャンパス</div><div style="color: #666; font-size: 14px;">〒451-0042<br>愛知県名古屋市西区那古野2丁目14-1</div></div>';
+            return this._div;
+          };
+
+          info.addTo(map);
+        </script>
       </div>
     </div>
   </div>
diff --git a/faq.md b/faq.md
deleted file mode 100644
index 2c286aec..00000000
--- a/faq.md
+++ /dev/null
@@ -1,22 +0,0 @@
----
-layout: default
-hero_title: "よくある質問"
-hero_subtitle: "FAQ"
-redirect_from:
-  - /q-and-a/
-  - /qa/
----
-
-
-<div class="bg-white py-16 px-4">
-  <div class="max-w-4xl mx-auto">
-      <div class="text-center">
-        <p class="text-xl mb-12" style="color: #444444;">
-          現在このページは準備中です。<br>
-          お問い合わせは、下記のGoogle Formよりお願いいたします。
-        </p>
-        <a class="button-push" href="https://docs.google.com/forms/d/e/1FAIpQLScBHEgR8eNJtaWvbciXBYlVA9FXZDU7iVxkHmi0Bd3cJeJWGw/viewform" target="_blank"> お問い合わせフォーム(Google Form) </a>
-      </div>
-    </div>
-  </div>
-
diff --git a/img/contests/sponsor.pdf b/img/contests/sponsor.pdf
new file mode 100644
index 00000000..f8f8782d
Binary files /dev/null and b/img/contests/sponsor.pdf differ
diff --git a/sponsors.md b/sponsors.md
index 0b772470..1781aac0 100644
--- a/sponsors.md
+++ b/sponsors.md
@@ -14,24 +14,111 @@ hero_subtitle: "COOLEST PARTNERS"
         <p class="text-xl mb-12" style="color: #444444;">また、現在スポンサーを募集しております。下記のスライドにて詳細をご確認いただけます。</p>
         <a class="button-push" href="https://docs.google.com/forms/d/e/1FAIpQLSeFFPTWsQeBajyiKeSOFZrGgQlDy2CijsQ6qg07uEK25dLttw/viewform?usp=preview"> スポンサーに申し込む(Google Form) </a>
         <div class="mb-12 max-w-4xl mx-auto">
-          <div data-category="functional" class='relative w-full' style='padding-top: 56.25%;'>
-            <iframe class='absolute top-0 left-0 w-full h-full rounded-2xl'
-              data-src="https://docs.google.com/presentation/d/1MAX_O_2FhmLvBU52SnWe6jGR0QgAcglN/embed?start=false&loop=false&delayms=3000"
-              frameborder="0" allowfullscreen="true" mozallowfullscreen="true" webkitallowfullscreen="true">
-            </iframe>
-          </div>
-          <div data-category="!functional" class="bg-gray-100 border-2 border-gray-50 rounded-2xl px-8 py-30 text-center">
-            <p class="text-lg mb-4">
-              このコンテンツを表示するには、機能Cookieの許可が必要です。
-            </p>
-            <a class="group relative inline-block" href="https://docs.google.com/presentation/d/1MAX_O_2FhmLvBU52SnWe6jGR0QgAcglN/edit" target="_blank">
-              <span class="absolute inset-0 translate-x-1.5 translate-y-1.5 bg-teal-500 transition-transform group-hover:translate-x-0 group-hover:translate-y-0"></span>
-              <span class="relative inline-block border-2 border-current px-8 py-3 text-sm font-bold tracking-widest text-black uppercase">
-                資料を別タブで開く
+          <!-- PDF Viewer -->
+          <div id="pdf-viewer" class="bg-white rounded-2xl shadow-lg overflow-hidden">
+            <div id="pdf-canvas-container" class="flex justify-center bg-gray-50 p-4">
+              <canvas id="pdf-canvas" class="max-w-full h-auto shadow-md"></canvas>
+            </div>
+            <div id="pdf-controls" class="bg-gray-100 p-3 flex items-center justify-center gap-3 border-t">
+              <button id="prev-page" class="w-10 h-10 flex items-center justify-center rounded-full hover:bg-gray-200 disabled:opacity-30 disabled:cursor-not-allowed transition">
+                <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" class="w-6 h-6">
+                  <path stroke-linecap="round" stroke-linejoin="round" d="M15.75 19.5L8.25 12l7.5-7.5" />
+                </svg>
+              </button>
+              <span id="page-info" class="text-sm font-medium px-2">
+                <span id="page-num">1</span>
               </span>
-            </a>
+              <button id="next-page" class="w-10 h-10 flex items-center justify-center rounded-full hover:bg-gray-200 disabled:opacity-30 disabled:cursor-not-allowed transition">
+                <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" class="w-6 h-6">
+                  <path stroke-linecap="round" stroke-linejoin="round" d="M8.25 4.5l7.5 7.5-7.5 7.5" />
+                </svg>
+              </button>
+            </div>
           </div>
         </div>
+
+        <!-- PDF.js Script -->
+        <script src="https://cdnjs.cloudflare.com/ajax/libs/pdf.js/3.11.174/pdf.min.js"></script>
+        <script>
+          // PDF.js worker の設定
+          pdfjsLib.GlobalWorkerOptions.workerSrc = 'https://cdnjs.cloudflare.com/ajax/libs/pdf.js/3.11.174/pdf.worker.min.js';
+
+          const url = '/img/contests/sponsor.pdf';
+          let pdfDoc = null;
+          let pageNum = 1;
+          let pageRendering = false;
+          let pageNumPending = null;
+          const scale = 1.5;
+          const canvas = document.getElementById('pdf-canvas');
+          const ctx = canvas.getContext('2d');
+
+          // PDF ページをレンダリング
+          function renderPage(num) {
+            pageRendering = true;
+            pdfDoc.getPage(num).then(function(page) {
+              const viewport = page.getViewport({scale: scale});
+              canvas.height = viewport.height;
+              canvas.width = viewport.width;
+
+              const renderContext = {
+                canvasContext: ctx,
+                viewport: viewport
+              };
+
+              const renderTask = page.render(renderContext);
+              renderTask.promise.then(function() {
+                pageRendering = false;
+                if (pageNumPending !== null) {
+                  renderPage(pageNumPending);
+                  pageNumPending = null;
+                }
+              });
+            });
+
+            // ページ番号を更新
+            document.getElementById('page-num').textContent = num;
+
+            // ボタンの状態を更新（ページ番号のみ表示）
+            document.getElementById('prev-page').disabled = (num <= 1);
+            document.getElementById('next-page').disabled = (num >= pdfDoc.numPages);
+          }
+
+          // ページ変更をキューに追加
+          function queueRenderPage(num) {
+            if (pageRendering) {
+              pageNumPending = num;
+            } else {
+              renderPage(num);
+            }
+          }
+
+          // 前のページ
+          function onPrevPage() {
+            if (pageNum <= 1) return;
+            pageNum--;
+            queueRenderPage(pageNum);
+          }
+          document.getElementById('prev-page').addEventListener('click', onPrevPage);
+
+          // 次のページ
+          function onNextPage() {
+            if (pageNum >= pdfDoc.numPages) return;
+            pageNum++;
+            queueRenderPage(pageNum);
+          }
+          document.getElementById('next-page').addEventListener('click', onNextPage);
+
+          // PDF を読み込み
+          pdfjsLib.getDocument(url).promise.then(function(pdfDoc_) {
+            pdfDoc = pdfDoc_;
+
+            // 最初のページをレンダリング
+            renderPage(pageNum);
+          }).catch(function(error) {
+            console.error('PDFの読み込みに失敗しました:', error);
+            document.getElementById('pdf-viewer').innerHTML = '<div class="bg-red-100 border-2 border-red-300 rounded-2xl px-8 py-12 text-center"><p class="text-lg text-red-700">PDFの読み込みに失敗しました。</p></div>';
+          });
+        </script>
       </div>
       <!-- スポンサー一覧 -->
       <div class="mb-16">
@@ -72,21 +159,27 @@ hero_subtitle: "COOLEST PARTNERS"
             <h3> シルバースポンサー </h3>
           </section>
           <div class="flex flex-wrap justify-center items-center gap-8 sm:gap-4">
-            <a href="https://www.seeed.co.jp/" target="_blank" rel="noopener" class="block transition-transform hover:scale-105">
-              <img src="/img/contests/sponsor-logos/seeed.webp" alt="Seeed株式会社_ロゴ" class="w-40 sm:w-56 h-auto max-h-32 object-contain">
-            </a>
             <a href="https://it-a-net.co.jp/" target="_blank" rel="noopener" class="block transition-transform hover:scale-105">
-              <img src="/img/contests/sponsor-logos/it-adviser.webp" alt="株式会社ITアドバイザー_ロゴ" class="w-40 sm:w-56 h-auto max-h-32 object-contain">
+              <img src="/img/contests/sponsor-logos/it-adviser.webp" alt="株式会社ITアドバイザー_ロゴ"
+                class="w-40 sm:w-56 h-auto max-h-32 object-contain">
+            </a>
+            <a href="https://www.seeed.co.jp/" target="_blank" rel="noopener"
+              class="block transition-transform hover:scale-105">
+              <img src="/img/contests/sponsor-logos/seeed.webp" alt="Seeed株式会社_ロゴ"
+                class="w-40 sm:w-56 h-auto max-h-32 object-contain">
             </a>
             <a data-proofer-ignore target="_blank" rel="noopener" class="block transition-transform hover:scale-105">
-              <img src="/img/contests/sponsor-logos/pike.webp" alt="株式会社パイク_ロゴ" class="w-28 sm:w-40 h-auto max-h-32 object-contain">
+              <img src="/img/contests/sponsor-logos/pike.webp" alt="株式会社パイク_ロゴ"
+                class="w-28 sm:w-40 h-auto max-h-32 object-contain">
             </a>
-            <a href="https://lifeskill.or.jp/" target="_blank" rel="noopener" class="block transition-transform hover:scale-105">
-              <img src="/img/contests/sponsor-logos/life-skill-support-association.webp" alt="一般社団法人ライフスキルサポート協会_ロゴ" class="w-52 sm:w-70 h-auto max-h-32 object-contain">
+            <a href="https://lifeskill.or.jp/" target="_blank" rel="noopener"
+              class="block transition-transform hover:scale-105">
+              <img src="/img/contests/sponsor-logos/life-skill-support-association.webp" alt="一般社団法人ライフスキルサポート協会_ロゴ"
+                class="w-52 sm:w-70 h-auto max-h-32 object-contain">
             </a>
           </div>
         </div>
-      </div>
+        </div>
         <!-- Bronze Sponsor
         <div class="mb-24">
           <section class="sponsors">
@@ -101,22 +194,32 @@ hero_subtitle: "COOLEST PARTNERS"
           </section>
           <div class="flex flex-wrap justify-center items-center gap-12 sm:gap-8">
             <a href="https://yasslab.jp/ja/" target="_blank" rel="noopener" class="block transition-transform hover:scale-105">
-              <img src="/img/contests/sponsor-logos/yasslab.svg" alt="YassLab株式会社_ロゴ" class="w-40 sm:w-56 h-auto max-h-32 object-contain">
+              <img src="/img/contests/sponsor-logos/yasslab.svg" alt="YassLab株式会社_ロゴ"
+                class="w-40 sm:w-56 h-auto max-h-32 object-contain">
             </a>
-            <a href="https://www.grips.co.jp/" target="_blank" rel="noopener" class="block transition-transform hover:scale-105">
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