カテゴリー: HTML

Eternal.html 画像投稿サイト

<!DOCTYPE html>
<html lang="ja">
<head>
  <meta charset="UTF-8">
  <title>Eternal</title>
  <style>
    body {
      font-family: sans-serif;
      background: #f5f5f5;
      margin: 0;
      padding: 0;
    }

    header {
      background: #e60023;
      color: white;
      padding: 1em;
      text-align: center;
      font-size: 1.8em;
    }

    .controls {
      padding: 1em;
      background: #fff;
      text-align: center;
    }

    .controls input, .controls button {
      margin: 0.5em;
      padding: 0.5em;
      font-size: 1em;
    }

    .grid {
      column-count: 4;
      column-gap: 1em;
      padding: 1em;
    }

    .pin {
      background: white;
      display: inline-block;
      margin-bottom: 1em;
      width: 100%;
      box-sizing: border-box;
      border-radius: 10px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.1);
      overflow: hidden;
      position: relative;
    }

    .pin img {
      width: 100%;
      cursor: pointer;
    }

    .description, .tags {
      padding: 0.5em;
    }

    .favorite {
      position: absolute;
      top: 8px;
      right: 8px;
      font-size: 22px;
      color: gray;
      cursor: pointer;
      user-select: none;
    }

    .favorite.active {
      color: gold;
    }

    .likes {
      font-size: 0.9em;
      text-align: right;
      padding: 0 0.5em 0.5em 0;
      color: #888;
    }

    .tag {
      display: inline-block;
      background: #eee;
      padding: 0.2em 0.5em;
      border-radius: 5px;
      margin: 0.2em;
      cursor: pointer;
    }

    .tag:hover {
      background: #ccc;
    }

    @media screen and (max-width: 1024px) {
      .grid {
        column-count: 3;
      }
    }

    @media screen and (max-width: 768px) {
      .grid {
        column-count: 2;
      }
    }

    @media screen and (max-width: 480px) {
      .grid {
        column-count: 1;
      }
    }

    #modal {
      position: fixed;
      top: 0; left: 0; right: 0; bottom: 0;
      background: rgba(0,0,0,0.7);
      display: none;
      justify-content: center;
      align-items: center;
      z-index: 1000;
    }

    #modal img {
      max-width: 90%;
      max-height: 80vh;
      border-radius: 10px;
    }
  </style>
</head>
<body>

<header>Pintorrest 完全版</header>

<div class="controls">
  <input type="file" id="imageInput" accept="image/*">
  <input type="text" id="descInput" placeholder="説明">
  <input type="text" id="tagInput" placeholder="タグ（カンマ区切り）">
  <button onclick="addPin()">投稿</button>
  <br>
  <input type="text" id="searchBox" placeholder="検索..." oninput="filterPins()">
</div>

<div class="grid" id="grid"></div>

<div id="modal" onclick="this.style.display='none'">
  <img id="modalImg" src="">
</div>

<script>
  let pins = JSON.parse(localStorage.getItem("pins") || "[]");

  function renderPins() {
    const grid = document.getElementById("grid");
    grid.innerHTML = '';
    pins.forEach((pin, index) => {
      const pinElem = document.createElement("div");
      pinElem.className = "pin";
      pinElem.innerHTML = `
        <span class="favorite ${pin.favorited ? 'active' : ''}" onclick="toggleFavorite(${index}, this)">★</span>
        <img src="${pin.image}" onclick="showModal('${pin.image}')">
        <div class="description">${pin.desc}</div>
        <div class="tags">${pin.tags.map(tag => `<span class="tag" onclick="filterByTag('${tag}')">${tag}</span>`).join(' ')}</div>
        <div class="likes">♥ ${pin.likes}</div>
      `;
      grid.appendChild(pinElem);
    });
  }

  function addPin() {
    const imageInput = document.getElementById("imageInput");
    const desc = document.getElementById("descInput").value.trim();
    const tags = document.getElementById("tagInput").value.split(',').map(t => t.trim()).filter(Boolean);
    const file = imageInput.files[0];
    if (!file || !desc) return alert("画像と説明を入力してください");

    const reader = new FileReader();
    reader.onload = function(e) {
      pins.unshift({
        image: e.target.result,
        desc: desc,
        tags: tags,
        likes: 0,
        favorited: false
      });
      savePins();
      renderPins();
      document.getElementById("descInput").value = '';
      document.getElementById("tagInput").value = '';
      document.getElementById("imageInput").value = '';
    };
    reader.readAsDataURL(file);
  }

  function showModal(src) {
    document.getElementById("modalImg").src = src;
    document.getElementById("modal").style.display = 'flex';
  }

  function toggleFavorite(index, elem) {
    pins[index].favorited = !pins[index].favorited;
    pins[index].likes += pins[index].favorited ? 1 : -1;
    savePins();
    renderPins();
  }

  function savePins() {
    localStorage.setItem("pins", JSON.stringify(pins));
  }

  function filterPins() {
    const keyword = document.getElementById("searchBox").value.toLowerCase();
    document.querySelectorAll(".pin").forEach(pin => {
      const text = pin.textContent.toLowerCase();
      pin.style.display = text.includes(keyword) ? "inline-block" : "none";
    });
  }

  function filterByTag(tag) {
    document.getElementById("searchBox").value = tag;
    filterPins();
  }

  renderPins();
</script>

</body>
</html>

RSSreader.html

<!DOCTYPE html>
<html lang="ja">
<head>
  <meta charset="UTF-8">
  <title>超RSSニュースリーダー</title>
  <style>
    body {
      font-family: "Segoe UI", sans-serif;
      background: #f4f4f4;
      margin: 0;
      padding: 20px;
    }
    h1 {
      text-align: center;
      color: #222;
    }
    #search {
      display: block;
      margin: 10px auto;
      padding: 10px;
      width: 80%;
      font-size: 16px;
      border-radius: 8px;
      border: 1px solid #ccc;
    }
    #feeds {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
    }
    .feed-card {
      background: white;
      border-radius: 12px;
      box-shadow: 0 2px 5px rgba(0,0,0,0.1);
      width: 320px;
      padding: 12px;
      box-sizing: border-box;
    }
    .feed-card img {
      width: 100%;
      height: auto;
      border-radius: 8px;
      margin-bottom: 10px;
    }
    .feed-card h2 {
      font-size: 16px;
      margin: 0 0 5px;
    }
    .feed-card p {
      font-size: 14px;
      color: #555;
    }
    .feed-card time {
      display: block;
      font-size: 12px;
      color: #999;
      margin-top: 5px;
    }
  </style>
</head>
<body>
  <h1>超RSSニュースリーダー</h1>
  <input type="text" id="search" placeholder="記事を検索...">

  <div id="feeds"></div>

  <script>
    const rssUrls = [
      "https://news.yahoo.co.jp/rss/topics/top-picks.xml",
      "https://b.hatena.ne.jp/hotentry/it.rss",
      "https://www.nhk.or.jp/rss/news/cat0.xml",
      "http://tyosuke20xx.com/rss"
    ];
    const proxy = "https://api.allorigins.win/get?url=";
    const feedsContainer = document.getElementById("feeds");
    const searchInput = document.getElementById("search");

    let allCards = [];

    function formatDate(pubDateStr) {
      const date = new Date(pubDateStr);
      return isNaN(date) ? "" : `${date.getFullYear()}年${date.getMonth() + 1}月${date.getDate()}日 ${date.getHours()}:${String(date.getMinutes()).padStart(2, '0')}`;
    }

    function extractImageFromDescription(desc) {
      const match = desc.match(/<img.*?src="(.*?)"/);
      return match ? match[1] : null;
    }

    async function fetchAndDisplayFeeds() {
      feedsContainer.innerHTML = "🔄 更新中…";
      allCards = [];

      for (const url of rssUrls) {
        try {
          const res = await fetch(proxy + encodeURIComponent(url));
          const data = await res.json();
          const parser = new DOMParser();
          const xml = parser.parseFromString(data.contents, "text/xml");
          const items = xml.querySelectorAll("item");

          items.forEach((item, i) => {
            if (i >= 5) return;

            const title = item.querySelector("title")?.textContent || "";
            const link = item.querySelector("link")?.textContent || "#";
            const desc = item.querySelector("description")?.textContent || "";
            const pubDate = item.querySelector("pubDate")?.textContent || "";
            const dateFormatted = formatDate(pubDate);
            const img = extractImageFromDescription(desc);

            const card = document.createElement("div");
            card.className = "feed-card";
            card.innerHTML = `
              ${img ? `<img src="${img}" alt="thumbnail">` : ""}
              <h2><a href="${link}" target="_blank">${title}</a></h2>
              <p>${desc.replace(/<[^>]+>/g, '').slice(0, 100)}...</p>
              <time>${dateFormatted}</time>
            `;
            allCards.push({ title, desc, element: card });
            feedsContainer.appendChild(card);
          });
        } catch (e) {
          console.error("RSS取得失敗:", url, e);
        }
      }
    }

    searchInput.addEventListener("input", () => {
      const keyword = searchInput.value.toLowerCase();
      feedsContainer.innerHTML = "";
      allCards.forEach(({ title, desc, element }) => {
        if (title.toLowerCase().includes(keyword) || desc.toLowerCase().includes(keyword)) {
          feedsContainer.appendChild(element);
        }
      });
    });

    fetchAndDisplayFeeds();
    setInterval(fetchAndDisplayFeeds, 60000); // 60秒ごと自動更新
  </script>
</body>
</html>

Github風サイト

<!DOCTYPE html>
<html lang="ja">
<head>
  <meta charset="UTF-8">
  <title>GitHub風 - SampleRepo</title>
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <!-- Bootstrap & FontAwesome -->
  <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
  <link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.0/css/all.min.css" rel="stylesheet">
  <style>
    body {
      background: #f6f8fa;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    }
    .repo-header { background: #fff; padding: 20px; border: 1px solid #ddd; margin-bottom: 10px; }
    .nav-tabs .nav-link.active { border-color: #ddd #ddd #fff; background: #fff; }
    .file-list li { border-bottom: 1px solid #eee; padding: 8px 0; display: flex; align-items: center; }
    .file-list i { margin-right: 10px; }
    .readme-box, .issues-box, .commits-box { background: #fff; padding: 20px; border: 1px solid #ddd; margin-top: 10px; }
    #editor { height: 400px; width: 100%; border: 1px solid #ccc; }
  </style>
</head>
<body>

  <!-- ヘッダー -->
  <nav class="navbar navbar-dark bg-dark px-3">
    <a class="navbar-brand" href="#"><i class="fab fa-github"></i> GitHub風サイト</a>
    <span class="text-white"><i class="fas fa-user-circle"></i> yuhei</span>
  </nav>

  <div class="container mt-3">
    <!-- リポジトリヘッダー -->
    <div class="repo-header">
      <h3><i class="fas fa-book"></i> yuhei / <strong>SampleRepo</strong></h3>
      <p class="text-muted">最終更新: 2025年5月26日</p>
      <button class="btn btn-sm btn-outline-secondary"><i class="fas fa-star"></i> Star</button>
      <button class="btn btn-sm btn-outline-secondary"><i class="fas fa-code-branch"></i> Fork</button>
    </div>

    <!-- タブ -->
    <ul class="nav nav-tabs" id="repoTabs">
      <li class="nav-item"><a class="nav-link active" href="#" onclick="switchTab('code')"><i class="fas fa-code"></i> Code</a></li>
      <li class="nav-item"><a class="nav-link" href="#" onclick="switchTab('issues')"><i class="fas fa-exclamation-circle"></i> Issues</a></li>
      <li class="nav-item"><a class="nav-link" href="#" onclick="switchTab('commits')"><i class="fas fa-history"></i> Commits</a></li>
    </ul>

    <!-- Codeタブ -->
    <div id="tab-code" class="tab-content">
      <ul class="file-list list-unstyled bg-white p-3 border">
        <li><i class="fas fa-folder"></i> src/</li>
        <li><i class="fas fa-file-code"></i> index.js</li>
        <li><i class="fas fa-file-alt"></i> README.md</li>
        <li><i class="fas fa-file-alt"></i> LICENSE</li>
      </ul>

      <div class="readme-box">
        <h4><i class="fas fa-book-open"></i> README.md</h4>
        <hr>
        <div id="readme-content"></div>
      </div>

      <div class="mt-4">
        <h5><i class="fas fa-code"></i> コード編集 (Monaco Editor)</h5>
        <div id="editor"></div>
        <button id="saveCode" class="btn btn-success mt-2"><i class="fas fa-save"></i> 保存</button>
        <button id="themeToggle" class="btn btn-secondary mt-2"><i class="fas fa-adjust"></i> テーマ切替</button>
      </div>
    </div>

    <!-- Issuesタブ -->
    <div id="tab-issues" class="tab-content" style="display:none;">
      <div class="issues-box">
        <h4><i class="fas fa-exclamation-circle"></i> Open Issues</h4>
        <ul class="list-group">
          <li class="list-group-item">
            <strong>#1</strong> READMEの翻訳が必要です<br>
            <small class="text-muted">posted by yuhei - 1日前</small>
          </li>
          <li class="list-group-item">
            <strong>#2</strong> index.jsにテストコードを追加してください<br>
            <small class="text-muted">posted by yuhei - 2日前</small>
          </li>
        </ul>
      </div>
    </div>

    <!-- Commitsタブ -->
    <div id="tab-commits" class="tab-content" style="display:none;">
      <div class="commits-box">
        <h4><i class="fas fa-history"></i> Commits</h4>
        <ul class="list-group">
          <li class="list-group-item">
            <strong>Initial commit</strong> - 2025-05-25<br>
            <small class="text-muted">by yuhei</small>
          </li>
          <li class="list-group-item">
            <strong>README updated</strong> - 2025-05-26<br>
            <small class="text-muted">by yuhei</small>
          </li>
        </ul>
      </div>
    </div>
  </div>

  <!-- ライブラリ -->
  <script src="https://cdn.jsdelivr.net/npm/marked/marked.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.45.0/min/vs/loader.min.js"></script>

  <!-- タブ切替・Markdown表示・Monaco起動 -->
  <script>
    const markdown = `
# SampleRepo

ようこそ！これはGitHub風サイトのデモです。

## 特徴
- Monaco Editorでコード編集
- Markdown表示（README）
- ダークモード対応
- Issue・コミットのUI

## 技術
- HTML/CSS/JS
- Bootstrap5
- Monaco Editor
- Marked.js
    `;
    document.getElementById('readme-content').innerHTML = marked.parse(markdown);

    function switchTab(tab) {
      ['code', 'issues', 'commits'].forEach(id => {
        document.getElementById('tab-' + id).style.display = (id === tab) ? 'block' : 'none';
      });
      document.querySelectorAll('#repoTabs .nav-link').forEach(link => link.classList.remove('active'));
      document.querySelector(`#repoTabs .nav-link[onclick*="${tab}"]`).classList.add('active');
    }

    // Monaco起動
    require.config({ paths: { 'vs': 'https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.45.0/min/vs' }});
    require(['vs/editor/editor.main'], function () {
      window.editor = monaco.editor.create(document.getElementById('editor'), {
        value: localStorage.getItem('savedCode') || `function hello() {\n  console.log("Hello from Monaco Editor!");\n}`,
        language: 'javascript',
        theme: 'vs-light',
        automaticLayout: true
      });

      document.getElementById('saveCode').onclick = function () {
        const code = editor.getValue();
        localStorage.setItem('savedCode', code);
        alert('保存しました！');
      };

      document.getElementById('themeToggle').onclick = function () {
        const theme = monaco.editor.getTheme() === 'vs-dark' ? 'vs-light' : 'vs-dark';
        monaco.editor.setTheme(theme);
      };
    });
  </script>
</body>
</html>

NeuroLink VR

<!DOCTYPE html>
<html lang="ja">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>フルダイブVR - 仮想世界体験</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Arial', sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            overflow: hidden;
        }

        .vr-container {
            width: 95vw;
            height: 95vh;
            background: #000;
            border-radius: 20px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0,0,0,0.3);
        }

        .boot-screen {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(45deg, #0f0f23, #1a1a2e);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            z-index: 100;
            transition: opacity 1s ease-out;
        }

        .boot-screen.hidden {
            opacity: 0;
            pointer-events: none;
        }

        .logo {
            font-size: 3rem;
            color: #00d4ff;
            margin-bottom: 30px;
            text-shadow: 0 0 20px #00d4ff;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.7; }
        }

        .loading-bar {
            width: 300px;
            height: 4px;
            background: #333;
            border-radius: 2px;
            overflow: hidden;
            margin-bottom: 20px;
        }

        .loading-progress {
            height: 100%;
            background: linear-gradient(90deg, #00d4ff, #ff006e);
            width: 0%;
            animation: loading 3s ease-out forwards;
        }

        @keyframes loading {
            to { width: 100%; }
        }

        .boot-text {
            color: #00d4ff;
            font-size: 1.2rem;
            margin-top: 20px;
        }

        #canvas {
            width: 100%;
            height: 100%;
            display: block;
        }

        .hud {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 10;
        }

        .status-panel {
            position: absolute;
            top: 20px;
            left: 20px;
            background: rgba(0, 212, 255, 0.1);
            border: 1px solid #00d4ff;
            border-radius: 10px;
            padding: 15px;
            color: #00d4ff;
            font-family: 'Courier New', monospace;
            backdrop-filter: blur(10px);
        }

        .controls {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 15px;
            pointer-events: all;
        }

        .control-btn {
            background: rgba(0, 212, 255, 0.2);
            border: 2px solid #00d4ff;
            color: #00d4ff;
            padding: 12px 20px;
            border-radius: 25px;
            cursor: pointer;
            font-size: 14px;
            font-weight: bold;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
        }

        .control-btn:hover {
            background: rgba(0, 212, 255, 0.4);
            box-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
            transform: translateY(-2px);
        }

        .neural-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at center, transparent 30%, rgba(0, 212, 255, 0.05) 100%);
            pointer-events: none;
            z-index: 5;
        }

        .dive-complete {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            color: #00d4ff;
            font-size: 2rem;
            text-align: center;
            opacity: 0;
            animation: fadeInOut 4s ease-in-out;
            z-index: 50;
            text-shadow: 0 0 20px #00d4ff;
        }

        @keyframes fadeInOut {
            0%, 100% { opacity: 0; }
            20%, 80% { opacity: 1; }
        }
    </style>
</head>
<body>
    <div class="vr-container">
        <div class="boot-screen" id="bootScreen">
            <div class="logo">NeuroLink VR</div>
            <div class="loading-bar">
                <div class="loading-progress"></div>
            </div>
            <div class="boot-text">Neural Interface Initializing...</div>
        </div>

        <canvas id="canvas"></canvas>
        
        <div class="neural-overlay"></div>
        
        <div class="hud">
            <div class="status-panel">
                <div>Neural Sync: <span id="sync">98.7%</span></div>
                <div>Reality Index: <span id="reality">VIRTUAL</span></div>
                <div>Immersion Level: <span id="immersion">MAXIMUM</span></div>
                <div>Connected Users: <span id="users">1,247</span></div>
            </div>
        </div>

        <div class="controls">
            <button class="control-btn" onclick="changeWorld('cyber')">サイバー都市</button>
            <button class="control-btn" onclick="changeWorld('forest')">森林世界</button>
            <button class="control-btn" onclick="changeWorld('space')">宇宙ステーション</button>
            <button class="control-btn" onclick="disconnect()">ログアウト</button>
        </div>

        <div class="dive-complete" id="diveComplete">
            フルダイブ完了<br>
            <small>仮想世界へようこそ</small>
        </div>
    </div>

    <script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r128/three.min.js"></script>
    <script>
        let scene, camera, renderer, world = 'cyber';
        let particles = [];
        let buildings = [];
        let stars = [];
        let trees = [];
        
        // 起動シーケンス
        setTimeout(() => {
            document.getElementById('bootScreen').classList.add('hidden');
            initVR();
            setTimeout(() => {
                document.getElementById('diveComplete').style.display = 'block';
            }, 1000);
        }, 3500);

        function initVR() {
            // Three.js セットアップ
            scene = new THREE.Scene();
            camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);
            renderer = new THREE.WebGLRenderer({ canvas: document.getElementById('canvas'), antialias: true });
            renderer.setSize(window.innerWidth, window.innerHeight);
            renderer.setClearColor(0x000011);

            // 初期世界を構築
            buildCyberWorld();
            
            // カメラ位置
            camera.position.set(0, 5, 10);
            
            // アニメーションループ
            animate();
            
            // HUD更新
            updateHUD();
        }

        function buildCyberWorld() {
            // クリア
            clearWorld();
            scene.fog = new THREE.Fog(0x000033, 10, 100);
            
            // ネオンビル群
            for (let i = 0; i < 50; i++) {
                const height = Math.random() * 20 + 5;
                const geometry = new THREE.BoxGeometry(
                    Math.random() * 3 + 1, 
                    height, 
                    Math.random() * 3 + 1
                );
                
                const material = new THREE.MeshBasicMaterial({ 
                    color: Math.random() > 0.5 ? 0x00ffff : 0xff00ff,
                    transparent: true,
                    opacity: 0.8
                });
                
                const building = new THREE.Mesh(geometry, material);
                building.position.set(
                    (Math.random() - 0.5) * 100,
                    height / 2,
                    (Math.random() - 0.5) * 100
                );
                
                scene.add(building);
                buildings.push(building);
            }
            
            // パーティクル効果
            createParticles(0x00ffff);
            
            // 地面
            const floorGeometry = new THREE.PlaneGeometry(200, 200);
            const floorMaterial = new THREE.MeshBasicMaterial({ 
                color: 0x001122, 
                transparent: true, 
                opacity: 0.5 
            });
            const floor = new THREE.Mesh(floorGeometry, floorMaterial);
            floor.rotation.x = -Math.PI / 2;
            scene.add(floor);
        }

        function buildForestWorld() {
            clearWorld();
            scene.fog = new THREE.Fog(0x228B22, 5, 50);
            
            // 木々
            for (let i = 0; i < 100; i++) {
                // 幹
                const trunkGeometry = new THREE.CylinderGeometry(0.3, 0.5, 8);
                const trunkMaterial = new THREE.MeshBasicMaterial({ color: 0x8B4513 });
                const trunk = new THREE.Mesh(trunkGeometry, trunkMaterial);
                
                // 葉
                const leavesGeometry = new THREE.SphereGeometry(3);
                const leavesMaterial = new THREE.MeshBasicMaterial({ color: 0x228B22 });
                const leaves = new THREE.Mesh(leavesGeometry, leavesMaterial);
                leaves.position.y = 6;
                
                const tree = new THREE.Group();
                tree.add(trunk);
                tree.add(leaves);
                
                tree.position.set(
                    (Math.random() - 0.5) * 80,
                    4,
                    (Math.random() - 0.5) * 80
                );
                
                scene.add(tree);
                trees.push(tree);
            }
            
            createParticles(0x90EE90);
            
            // 地面
            const floorGeometry = new THREE.PlaneGeometry(200, 200);
            const floorMaterial = new THREE.MeshBasicMaterial({ color: 0x2F4F2F });
            const floor = new THREE.Mesh(floorGeometry, floorMaterial);
            floor.rotation.x = -Math.PI / 2;
            scene.add(floor);
        }

        function buildSpaceWorld() {
            clearWorld();
            scene.fog = null;
            renderer.setClearColor(0x000000);
            
            // 星々
            for (let i = 0; i < 1000; i++) {
                const starGeometry = new THREE.SphereGeometry(0.1);
                const starMaterial = new THREE.MeshBasicMaterial({ color: 0xffffff });
                const star = new THREE.Mesh(starGeometry, starMaterial);
                
                star.position.set(
                    (Math.random() - 0.5) * 200,
                    (Math.random() - 0.5) * 200,
                    (Math.random() - 0.5) * 200
                );
                
                scene.add(star);
                stars.push(star);
            }
            
            // 宇宙ステーション
            const stationGeometry = new THREE.TorusGeometry(10, 3, 8, 20);
            const stationMaterial = new THREE.MeshBasicMaterial({ 
                color: 0x888888, 
                wireframe: true 
            });
            const station = new THREE.Mesh(stationGeometry, stationMaterial);
            station.position.set(0, 0, -20);
            scene.add(station);
            
            createParticles(0xffffff);
        }

        function createParticles(color) {
            for (let i = 0; i < 200; i++) {
                const particleGeometry = new THREE.SphereGeometry(0.05);
                const particleMaterial = new THREE.MeshBasicMaterial({ 
                    color: color,
                    transparent: true,
                    opacity: 0.6
                });
                const particle = new THREE.Mesh(particleGeometry, particleMaterial);
                
                particle.position.set(
                    (Math.random() - 0.5) * 50,
                    Math.random() * 20,
                    (Math.random() - 0.5) * 50
                );
                
                particle.velocity = {
                    x: (Math.random() - 0.5) * 0.02,
                    y: Math.random() * 0.01,
                    z: (Math.random() - 0.5) * 0.02
                };
                
                scene.add(particle);
                particles.push(particle);
            }
        }

        function clearWorld() {
            buildings.forEach(b => scene.remove(b));
            trees.forEach(t => scene.remove(t));
            stars.forEach(s => scene.remove(s));
            particles.forEach(p => scene.remove(p));
            
            buildings = [];
            trees = [];
            stars = [];
            particles = [];
            
            // シーン全体をクリア
            while(scene.children.length > 0) {
                scene.remove(scene.children[0]);
            }
        }

        function animate() {
            requestAnimationFrame(animate);
            
            // カメラの自動回転
            const time = Date.now() * 0.0005;
            camera.position.x = Math.cos(time) * 20;
            camera.position.z = Math.sin(time) * 20;
            camera.lookAt(scene.position);
            
            // パーティクルアニメーション
            particles.forEach(particle => {
                particle.position.add(particle.velocity);
                
                if (particle.position.y > 25) {
                    particle.position.y = -5;
                }
                if (particle.position.x > 25) particle.position.x = -25;
                if (particle.position.x < -25) particle.position.x = 25;
                if (particle.position.z > 25) particle.position.z = -25;
                if (particle.position.z < -25) particle.position.z = 25;
            });
            
            // ビルの光る効果
            buildings.forEach(building => {
                if (Math.random() > 0.98) {
                    building.material.opacity = Math.random() * 0.5 + 0.5;
                }
            });
            
            renderer.render(scene, camera);
        }

        function changeWorld(newWorld) {
            world = newWorld;
            
            switch(world) {
                case 'cyber':
                    buildCyberWorld();
                    break;
                case 'forest':
                    buildForestWorld();
                    break;
                case 'space':
                    buildSpaceWorld();
                    break;
            }
        }

        function updateHUD() {
            setInterval(() => {
                document.getElementById('sync').textContent = (98 + Math.random() * 2).toFixed(1) + '%';
                document.getElementById('users').textContent = (1200 + Math.floor(Math.random() * 100)).toLocaleString();
            }, 2000);
        }

        function disconnect() {
            document.querySelector('.vr-container').style.opacity = '0';
            setTimeout(() => {
                document.body.innerHTML = `
                    <div style="display: flex; justify-content: center; align-items: center; height: 100vh; color: #00d4ff; font-size: 2rem; text-align: center;">
                        <div>
                            <div>Neural Link Disconnected</div>
                            <div style="font-size: 1rem; margin-top: 20px; opacity: 0.7;">現実世界へ戻りました</div>
                        </div>
                    </div>
                `;
            }, 1000);
        }

        // リサイズ対応
        window.addEventListener('resize', () => {
            if (camera && renderer) {
                camera.aspect = window.innerWidth / window.innerHeight;
                camera.updateProjectionMatrix();
                renderer.setSize(window.innerWidth, window.innerHeight);
            }
        });
    </script>
</body>
</html>

求人掲示板サイト.html

<!DOCTYPE html>
<html lang="ja">
<head>
  <meta charset="UTF-8">
  <title>JobFinder - 求人掲示板</title>
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <style>
    body { font-family: sans-serif; background: #f4f4f4; margin: 0; }
    header { background: #007bff; color: white; padding: 1rem; text-align: center; }
    main { padding: 2rem; max-width: 900px; margin: auto; }
    .search-bar, .post-form { background: white; padding: 1rem; border-radius: 8px; margin-bottom: 2rem; box-shadow: 0 2px 4px rgba(0,0,0,0.1); }
    .job-card {
      background: white; padding: 1rem; margin-bottom: 1rem;
      border-radius: 8px; box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    }
    .job-card h2 { margin-top: 0; }
    .job-card button {
      background: #007bff; color: white;
      border: none; padding: 0.5rem 1rem;
      border-radius: 4px; cursor: pointer;
    }
    .job-card button:hover { background: #0056b3; }
    .modal {
      display: none; position: fixed; z-index: 999;
      left: 0; top: 0; width: 100%; height: 100%;
      background: rgba(0,0,0,0.5);
      justify-content: center; align-items: center;
    }
    .modal-content {
      background: white; padding: 2rem;
      border-radius: 8px; max-width: 500px;
    }
    label, input, textarea, select {
      display: block; width: 100%; margin-bottom: 10px;
    }
    button[type="submit"] {
      background: #28a745;
      color: white;
      padding: 0.5rem 1rem;
      border: none;
      border-radius: 4px;
    }
  </style>
</head>
<body>

<header>
  <h1>JobFinder - 求人掲示板</h1>
</header>

<main>
  <!-- 🔍 検索バー -->
  <div class="search-bar">
    <h3>🔍 求人検索</h3>
    <input type="text" id="searchLocation" placeholder="勤務地で検索（例: 東京）">
    <button onclick="filterJobs()">検索</button>
  </div>

  <!-- 📋 求人一覧 -->
  <div id="jobList"></div>

  <!-- 📝 求人投稿フォーム -->
  <div class="post-form">
    <h3>📝 新しい求人を投稿</h3>
    <input type="text" id="jobTitle" placeholder="職種（例: Webエンジニア）">
    <input type="text" id="jobCompany" placeholder="会社名">
    <input type="text" id="jobLocation" placeholder="勤務地（例: 東京）">
    <textarea id="jobDescription" rows="3" placeholder="仕事内容を入力..."></textarea>
    <button onclick="addJob()">求人を投稿</button>
  </div>
</main>

<!-- 📄 モーダル -->
<div class="modal" id="jobModal">
  <div class="modal-content" id="modalContent"></div>
</div>

<script>
let jobs = [
  {
    title: "Webエンジニア",
    company: "株式会社テック",
    location: "東京",
    description: "ReactやVueを用いた開発。経験者優遇。"
  },
  {
    title: "営業職",
    company: "セールス株式会社",
    location: "大阪",
    description: "法人営業経験者歓迎。"
  }
];

function displayJobs(filteredJobs = jobs) {
  const jobList = document.getElementById("jobList");
  jobList.innerHTML = "";
  filteredJobs.forEach((job, index) => {
    const card = document.createElement("div");
    card.className = "job-card";
    card.innerHTML = `
      <h2>${job.title}</h2>
      <p><strong>会社:</strong> ${job.company}</p>
      <p><strong>勤務地:</strong> ${job.location}</p>
      <button onclick="showDetails(${index})">詳細を見る</button>
    `;
    jobList.appendChild(card);
  });
}

function showDetails(index) {
  const job = jobs[index];
  const modal = document.getElementById("jobModal");
  const modalContent = document.getElementById("modalContent");
  modalContent.innerHTML = `
    <h2>${job.title}</h2>
    <p><strong>会社:</strong> ${job.company}</p>
    <p><strong>勤務地:</strong> ${job.location}</p>
    <p>${job.description}</p>
    <button onclick="alert('応募完了しました！')">応募する</button>
    <button onclick="document.getElementById('jobModal').style.display='none'">閉じる</button>
  `;
  modal.style.display = "flex";
}

function addJob() {
  const title = document.getElementById("jobTitle").value;
  const company = document.getElementById("jobCompany").value;
  const location = document.getElementById("jobLocation").value;
  const description = document.getElementById("jobDescription").value;

  if (title && company && location && description) {
    jobs.push({ title, company, location, description });
    displayJobs();
    document.getElementById("jobTitle").value = "";
    document.getElementById("jobCompany").value = "";
    document.getElementById("jobLocation").value = "";
    document.getElementById("jobDescription").value = "";
  } else {
    alert("すべての項目を入力してください");
  }
}

function filterJobs() {
  const keyword = document.getElementById("searchLocation").value.trim();
  const filtered = jobs.filter(job => job.location.includes(keyword));
  displayJobs(filtered);
}

// 初期表示
displayJobs();

window.onclick = function(event) {
  const modal = document.getElementById("jobModal");
  if (event.target === modal) {
    modal.style.display = "none";
  }
}
</script>

</body>
</html>

note風WEBサービス

<!DOCTYPE html>
<html lang="ja">
<head>
  <meta charset="UTF-8">
  <title>MiniNote - Note風ブログ with フィルタ・いいね・検索機能</title>
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <style>
    body { font-family: sans-serif; background: #f9f9f9; margin: 0; }
    header { background: #2c3e50; color: white; padding: 1em; text-align: center; }
    nav { background: #34495e; text-align: center; padding: 0.5em; }
    nav button { margin: 0 8px; padding: 8px 20px; cursor: pointer; background: #ecf0f1; border: none; border-radius: 5px; }
    #main { max-width: 900px; margin: 2em auto; padding: 1em; background: white; border-radius: 10px; box-shadow: 0 4px 8px rgba(0,0,0,0.1); }
    article { padding: 1em; border-bottom: 1px solid #ddd; }
    h2 { margin: 0.5em 0; }
    .meta { font-size: 0.9em; color: #999; margin-bottom: 0.5em; }
    textarea, input[type="text"] { width: 100%; padding: 10px; margin: 10px 0; border-radius: 5px; border: 1px solid #ccc; }
    button.submit {
      background: #3498db; color: white; border: none;
      padding: 10px 20px; border-radius: 6px;
      cursor: pointer; font-weight: bold;
    }
    .hidden { display: none; }
    .tag { color: #3498db; margin-right: 5px; font-size: 0.9em; cursor: pointer; }
    .actions button { margin-right: 10px; }
    .like { color: #e74c3c; cursor: pointer; margin-left: 10px; }
  </style>
</head>
<body>

<header><h1>📘 MiniNote - あなたのNote風ブログ</h1></header>

<nav>
  <button onclick="showView('home')">🏠 ホーム</button>
  <button onclick="showView('new')">✍ 新規投稿</button>
  <input type="text" id="searchInput" placeholder="検索" oninput="renderPosts()" style="padding:5px; width: 200px;">
</nav>

<div id="main">
  <div id="homeView">
    <div id="postList"></div>
  </div>

  <div id="newView" class="hidden">
    <h2>新しい投稿を作成</h2>
    <input type="text" id="titleInput" placeholder="タイトル">
    <textarea id="contentInput" rows="8" placeholder="本文"></textarea>
    <input type="text" id="tagInput" placeholder="タグ（カンマ区切り）">
    <button class="submit" onclick="addPost()">投稿する</button>
  </div>

  <div id="detailView" class="hidden">
    <article>
      <h2 id="detailTitle"></h2>
      <div class="meta" id="detailDate"></div>
      <p id="detailContent"></p>
      <div id="detailTags"></div>
      <div class="like" id="likeDisplay" onclick="likePost(currentIndex)">❤️ <span id="likeCount">0</span></div>
    </article>
    <div class="actions">
      <button onclick="editPost(currentIndex)">✏ 編集</button>
      <button onclick="deletePost(currentIndex)">🗑 削除</button>
      <button onclick="showView('home')">← 戻る</button>
    </div>
  </div>
</div>

<script>
  let posts = JSON.parse(localStorage.getItem("posts") || "[]");
  let currentIndex = null;
  let filterTag = null;

  function showView(view) {
    document.querySelectorAll('#main > div').forEach(div => div.classList.add('hidden'));
    document.getElementById(view + "View").classList.remove("hidden");
    if (view === "home") renderPosts();
  }

  function addPost() {
    const title = document.getElementById("titleInput").value;
    const content = document.getElementById("contentInput").value;
    const tags = document.getElementById("tagInput").value.split(',').map(tag => tag.trim()).filter(Boolean);
    if (!title || !content) return alert("タイトルと本文を入力してください");

    const date = new Date().toLocaleString();
    posts.unshift({ title, content, date, tags, likes: 0 });
    localStorage.setItem("posts", JSON.stringify(posts));
    clearForm();
    showView("home");
  }

  function renderPosts() {
    const list = document.getElementById("postList");
    const search = document.getElementById("searchInput").value.toLowerCase();
    list.innerHTML = "";
    posts.filter(post => {
      const inSearch = post.title.toLowerCase().includes(search) || post.content.toLowerCase().includes(search);
      const inTag = !filterTag || post.tags.includes(filterTag);
      return inSearch && inTag;
    }).forEach((post, index) => {
      const el = document.createElement("article");
      el.innerHTML = `
        <h2>${post.title}</h2>
        <div class="meta">${post.date}</div>
        <p>${post.content.substring(0, 80)}...</p>
        <div>${post.tags.map(tag => `<span class='tag' onclick='filterByTag("${tag}")'>#${tag}</span>`).join(' ')}</div>
        <div class="like">❤️ ${post.likes}</div>
        <button onclick="showDetail(${index})">📖 詳細</button>
      `;
      list.appendChild(el);
    });
  }

  function filterByTag(tag) {
    filterTag = tag;
    renderPosts();
  }

  function showDetail(index) {
    const post = posts[index];
    currentIndex = index;
    document.getElementById("detailTitle").innerText = post.title;
    document.getElementById("detailDate").innerText = post.date;
    document.getElementById("detailContent").innerText = post.content;
    document.getElementById("detailTags").innerHTML = post.tags.map(tag => `<span class='tag'>#${tag}</span>`).join(' ');
    document.getElementById("likeCount").innerText = post.likes;
    showView("detail");
  }

  function likePost(index) {
    posts[index].likes++;
    localStorage.setItem("posts", JSON.stringify(posts));
    document.getElementById("likeCount").innerText = posts[index].likes;
    renderPosts();
  }

  function editPost(index) {
    const post = posts[index];
    document.getElementById("titleInput").value = post.title;
    document.getElementById("contentInput").value = post.content;
    document.getElementById("tagInput").value = post.tags.join(', ');
    posts.splice(index, 1);
    localStorage.setItem("posts", JSON.stringify(posts));
    showView("new");
  }

  function deletePost(index) {
    if (!confirm("本当に削除しますか？")) return;
    posts.splice(index, 1);
    localStorage.setItem("posts", JSON.stringify(posts));
    showView("home");
  }

  function clearForm() {
    document.getElementById("titleInput").value = "";
    document.getElementById("contentInput").value = "";
    document.getElementById("tagInput").value = "";
  }

  showView("home");
</script>

</body>
</html>

MyCSSGrid

<!DOCTYPE html>
<html lang="ja">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>My CSS Grid</title>
    <link rel="stylesheet" href="style.css">
</head>

<body>
    <div class="container">
        <ul>
            <li>item 1</li>
            <li>item 2 item 2 item 2 item 2 item 2</li>
            <li>item 3</li>
            <li>item 4</li>
        </ul>
        <ul>
            <li>item 1</li>
            <li>item 2</li>
            <li>item 3 item 3 item 3 item 3</li>
            <li>item 4</li>
        </ul>
    </div>
</body>

</html>

style.css

@charset "utf-8";

.container {
    display: grid;
    grid-template-columns: 200px 200px;
    grid-template-rows: repeat(4, auto);
}

ul {
    grid-row: span 4;

    display: grid;
    grid-template-rows: subgrid;
}

ドメイン検索＆購入(フロントエンド)

<!DOCTYPE html>
<html lang="ja">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
  <title>ドメイン検索＆購入</title>
  <style>
    body {
      font-family: sans-serif;
      background: #f9f9f9;
      padding: 2rem;
      margin: 0;
      display: flex;
      justify-content: center;
    }
    .container {
      max-width: 600px;
      width: 100%;
      background: white;
      padding: 2rem;
      border-radius: 12px;
      box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    }
    h1 {
      color: #e60033;
      text-align: center;
      margin-bottom: 1.5rem;
    }
    .form {
      display: flex;
      gap: 0.5rem;
      margin-bottom: 1rem;
    }
    input {
      flex: 1;
      padding: 0.8rem;
      border: 1px solid #ccc;
      border-radius: 8px;
      font-size: 1rem;
    }
    button {
      padding: 0.8rem 1rem;
      background-color: #e60033;
      color: white;
      border: none;
      border-radius: 8px;
      cursor: pointer;
    }
    .result {
      margin-top: 1rem;
    }
    .item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid #eee;
      padding: 0.5rem 0;
    }
    .available {
      color: green;
      font-weight: bold;
    }
    .unavailable {
      color: red;
      font-weight: bold;
    }
    .buy-btn {
      background-color: #0070f3;
      color: white;
      padding: 0.3rem 0.7rem;
      border-radius: 6px;
      text-decoration: none;
      font-size: 0.9rem;
    }
  </style>
</head>
<body>
  <div class="container">
    <h1>ドメイン検索</h1>
    <div class="form">
      <input type="text" id="domainInput" placeholder="例: mydomain" />
      <button onclick="search()">検索</button>
    </div>
    <div class="result" id="resultArea"></div>
  </div>

  <script>
    const takenDomains = ["example.com", "mydomain.net", "taken.jp"];
    const tlds = [".com", ".net", ".jp"];

    function search() {
      const name = document.getElementById("domainInput").value.trim().toLowerCase();
      const area = document.getElementById("resultArea");
      area.innerHTML = "";

      if (!name) {
        area.innerHTML = "<p>⚠ ドメイン名を入力してください。</p>";
        return;
      }

      tlds.forEach(tld => {
        const domain = name + tld;
        const available = !takenDomains.includes(domain);
        const item = document.createElement("div");
        item.className = "item";
        item.innerHTML = `
          <span>${domain}</span>
          ${available
            ? `<span class="available">取得可能</span>
               <a href="https://buy.stripe.com/test_checkout_link" class="buy-btn" target="_blank">購入する</a>`
            : `<span class="unavailable">登録済み</span>`}
        `;
        area.appendChild(item);
      });
    }
  </script>
</body>
</html>

ゲームBGM自動生成サービス.html

<!DOCTYPE html>
<html lang="ja">
<head>
  <meta charset="UTF-8">
  <title>🎮 ゲームBGM自動生成サービス</title>
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <style>
    :root {
      --bg: #121212;
      --card: #1e1e2e;
      --text: #ffffff;
      --accent: #ffd700;
      --shadow: rgba(0, 0, 0, 0.3);
      --button: #ffd700;
    }
    [data-theme='light'] {
      --bg: #f5f5f5;
      --card: #ffffff;
      --text: #111;
      --accent: #ff9800;
      --shadow: rgba(0, 0, 0, 0.1);
      --button: #ff9800;
    }

    body {
      margin: 0;
      font-family: 'Segoe UI', sans-serif;
      background: var(--bg);
      color: var(--text);
      transition: 0.3s;
      padding: 1rem;
    }

    header {
      text-align: center;
      margin-bottom: 1rem;
    }

    h1 {
      color: var(--accent);
      font-size: 2rem;
    }

    .container {
      max-width: 600px;
      margin: auto;
      background: var(--card);
      border-radius: 12px;
      box-shadow: 0 0 10px var(--shadow);
      padding: 1.5rem;
    }

    label {
      font-weight: bold;
      display: block;
      margin-top: 1rem;
    }

    select, button {
      width: 100%;
      padding: 0.6rem;
      margin-top: 0.5rem;
      border-radius: 8px;
      border: none;
      font-size: 1rem;
    }

    button {
      background: var(--button);
      color: #000;
      font-weight: bold;
      cursor: pointer;
      transition: 0.3s;
    }

    button:disabled {
      background: #999;
      cursor: not-allowed;
    }

    button:hover:enabled {
      opacity: 0.85;
    }

    .desc, .msg {
      margin-top: 1rem;
      font-size: 0.9rem;
      color: #ccc;
    }

    .result, .history {
      margin-top: 2rem;
    }

    audio {
      width: 100%;
      margin-top: 0.5rem;
    }

    .visualizer {
      width: 100%;
      height: 4px;
      background: linear-gradient(90deg, #ffd700, #ff9800);
      animation: pulse 2s infinite linear;
      opacity: 0;
    }

    .playing .visualizer {
      opacity: 1;
    }

    @keyframes pulse {
      0% { transform: scaleX(1); }
      50% { transform: scaleX(1.05); }
      100% { transform: scaleX(1); }
    }

    .toggle-theme {
      text-align: right;
      margin-bottom: 0.5rem;
    }

    .accordion {
      background: transparent;
      color: var(--accent);
      border: none;
      font-weight: bold;
      cursor: pointer;
      margin-top: 1rem;
      width: 100%;
      text-align: left;
      font-size: 1rem;
    }

    .accordion-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
    }

    .accordion.open + .accordion-content {
      max-height: 600px;
    }
  </style>
</head>
<body>

  <header>
    <h1>🎮 ゲームBGM自動生成</h1>
  </header>

  <div class="toggle-theme">
    <button onclick="toggleTheme()">🌓 テーマ切替</button>
  </div>

  <div class="container">
    <label for="genre">🎼 ジャンル</label>
    <select id="genre" onchange="updateDescription()">
      <option value="fantasy">ファンタジー</option>
      <option value="cyberpunk">サイバーパンク</option>
      <option value="horror">ホラー</option>
      <option value="symphonic">シンフォニック</option>
    </select>

    <label for="mood">🎭 雰囲気</label>
    <select id="mood" onchange="updateDescription()">
      <option value="mysterious">神秘的</option>
      <option value="sad">悲しい</option>
      <option value="heroic">勇ましい</option>
      <option value="fun">楽しい</option>
    </select>

    <div class="desc" id="descText">選択内容に応じてBGMを生成します。</div>

    <button id="generateBtn" onclick="generateBGM()">🎶 BGMを生成する</button>

    <div class="msg" id="msg"></div>

    <div class="result" id="result" style="display:none;">
      <h3>🎧 再生中のBGM</h3>
      <audio controls id="player" onplay="startVisualizer()" onpause="stopVisualizer()"></audio>
      <div class="visualizer" id="visualizer"></div>
    </div>

    <button class="accordion" onclick="toggleAccordion(this)">📜 再生履歴</button>
    <div class="accordion-content" id="historyList"></div>
  </div>

  <script>
    const descMap = {
      fantasy: "魔法の世界、冒険と伝説の音楽",
      cyberpunk: "近未来都市とテクノ感の融合",
      horror: "不安と恐怖を煽るBGM",
      symphonic: "壮大で感動的なオーケストラ風",
      mysterious: "謎解き、探検にぴったり",
      sad: "涙や喪失感を表現する旋律",
      heroic: "勇ましさ、戦い、勝利の象徴",
      fun: "軽快で明るいリズム"
    };

    const history = [];
    const maxHistory = 5;

    function updateDescription() {
      const g = document.getElementById('genre').value;
      const m = document.getElementById('mood').value;
      document.getElementById('descText').textContent = `🧠 ${descMap[g]} × ${descMap[m]}`;
    }

    function generateBGM() {
      const genre = document.getElementById('genre').value;
      const mood = document.getElementById('mood').value;
      const btn = document.getElementById('generateBtn');
      const player = document.getElementById('player');
      const msg = document.getElementById('msg');
      const result = document.getElementById('result');

      btn.disabled = true;
      msg.textContent = "⏳ BGMを生成中...";

      const url = `https://example.com/bgm/${genre}_${mood}_${Math.floor(Math.random()*3)+1}.mp3`;

      setTimeout(() => {
        msg.textContent = "✅ BGM生成完了！再生できます。";
        player.src = url;
        result.style.display = 'block';

        // 保存履歴
        history.unshift({ genre, mood, url });
        if (history.length > maxHistory) history.pop();
        renderHistory();
        btn.disabled = false;
      }, 1500);
    }

    function renderHistory() {
      const list = document.getElementById('historyList');
      list.innerHTML = "";
      history.forEach(item => {
        const div = document.createElement('div');
        div.innerHTML = `<strong>${item.genre} × ${item.mood}</strong><br><audio controls src="${item.url}"></audio><hr>`;
        list.appendChild(div);
      });
    }

    function toggleTheme() {
      const theme = document.documentElement.getAttribute("data-theme");
      document.documentElement.setAttribute("data-theme", theme === "light" ? "dark" : "light");
    }

    function toggleAccordion(el) {
      el.classList.toggle('open');
    }

    function startVisualizer() {
      document.getElementById('visualizer').style.opacity = '1';
    }

    function stopVisualizer() {
      document.getElementById('visualizer').style.opacity = '0';
    }

    // 初期設定
    document.documentElement.setAttribute("data-theme", "dark");
    updateDescription();
  </script>

</body>
</html>

MyAOS.html

<!DOCTYPE html>
<html lang="ja">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>My Site</title>
  <link rel="stylesheet" href="https://unpkg.com/aos@next/dist/aos.css" />
  <link rel="stylesheet" href="style.css">
</head>

<body>
  <section>
    <h1>記事一覧</h1>
    <article>
      <img src="forest.png" width="240" height="160" data-aos="my-animation">
      <div class="text">
        <h2>タイトル</h2>
        <p>こんにちは。こんにちは。こんにちは。こんにちは。こんにちは。こんにちは。こんにちは。こんにちは。</p>
      </div>
    </article>
    <article>
      <img src="forest.png" width="240" height="160">
      <div class="text">
        <h2>タイトル</h2>
        <p>こんにちは。こんにちは。こんにちは。こんにちは。こんにちは。こんにちは。こんにちは。こんにちは。</p>
      </div>
    </article>
    <article>
      <img src="forest.png" width="240" height="160">
      <div class="text">
        <h2>タイトル</h2>
        <p>こんにちは。こんにちは。こんにちは。こんにちは。こんにちは。こんにちは。こんにちは。こんにちは。</p>
      </div>
    </article>
  </section>

  <section>
    <h1>お客様の声</h1>
    <div class="voices">
      <section data-aos="fade-up">
        <h2>すばらしい</h2>
        <p>素晴らしいです。素晴らしいです。</p>
      </section>
      <section data-aos="fade-up" data-aos-delay="300">
        <h2>すばらしい</h2>
        <p>素晴らしいです。素晴らしいです。</p>
      </section>
      <section data-aos="fade-up" data-aos-delay="600">
        <h2>すばらしい</h2>
        <p>素晴らしいです。素晴らしいです。</p>
      </section>
    </div>
  </section>

  <footer id="footer">
    (c) dotinstall.com
  </footer>

  <a href="#" class="to-top" data-aos="fade-up" data-aos-anchor="#footer" data-aos-offset="0">先頭へ</a>

  <script src="https://unpkg.com/aos@next/dist/aos.js"></script>
  <script>
    AOS.init();
  </script>
</body>

</html>

style.css

@charset "utf-8";

body {
  margin: 0;
}

body>section {
  margin: 0 32px;
}

h1 {
  text-align: center;
  padding: 160px 0;
}

article {
  display: flex;
  gap: 16px;
  align-items: center;
}

article .text {
  flex: 1;
}

article h2 {
  margin: 0;
  font-size: 22px;
}

article+article {
  margin-top: 32px;
}

article:nth-child(even) {
  flex-direction: row-reverse;
}

.voices {
  display: flex;
  gap: 16px;
}

.voices>section {
  border-radius: 8px;
  border: 1px solid #ccc;
  padding: 16px 32px;
  text-align: center;
}

footer {
  margin-top: 160px;
  text-align: center;
  padding: 80px 0;
  background: #eee;
}

.to-top {
  position: fixed;
  bottom: 16px;
  right: 16px;
}