Spaces:

soiz1
/

Radio-Exercise_No.1

Running

App Files Files Community

soiz1 commited on Apr 16

Commit

9f19fb0

verified ·

1 Parent(s): 4438c93

Update index.html

Browse files

Files changed (1) hide show

index.html +1033 -723

index.html CHANGED Viewed

@@ -2,773 +2,1083 @@
 <html lang="ja">
 <head>
-  <meta charset="UTF-8">
-  <title>ラジオ体操動画プレイヤー</title>
-  <link rel="preconnect" href="https://fonts.googleapis.com">
-  <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
-  <link href="https://fonts.googleapis.com/css2?family=M+PLUS+Rounded+1c&display=swap" rel="stylesheet">
-  <link rel="icon" href="icon.png" type="image/png">
-  <style>
-  body {
-      display: flex;
-      flex-direction: column;
-      align-items: center;
-      background-color: #0a0a12;
-      color: #00ffcc;
-      font-family: "M PLUS Rounded 1c", monospace;
-      padding: 20px;
-      margin: 0;
-      overflow-x: hidden; /* 横スクロール禁止 */
-    }
-    h1 {
-      color: #00aaff;
-      text-shadow: 0 0 5px #0066ff;
-      border-bottom: 1px solid #0066ff;
-      padding-bottom: 10px;
-      text-align: center;
-    }
-    .video-container {
-      position: relative;
-      max-width: 800px;
-      margin-bottom: 20px;
-      margin-top: 30px;
-      border: 2px solid #0066ff;
-      box-shadow: 0 0 15px rgba(0, 102, 255, 0.5);
-      background: #000;
-    }
-    video {
-      width: 100%;
-      display: block;
-    }
-    /* 字幕スタイル */
-    video::cue {
-      background-color: rgba(0, 0, 0, 0.7) !important;
-      color: #c7dbed !important;
-      font-family: "M PLUS Rounded 1c", monospace !important;
-      text-shadow: 1px 1px 2px #000 !important;
-      outline: 3px solid #0b3e8f !important;
-      border-radius: 10px !important; /* 角を丸める */
-    }
-    /* カスタム動画コントロール */
-    video::-webkit-media-controls {
-      display: none !important;
-    }
-    .custom-controls {
-      position: absolute;
-      bottom: 0;
-      left: 0;
-      right: 0;
-      /*background: linear-gradient(to top, rgba(0, 20, 40, 0.9), transparent);*/
-      padding: 10px;
-      display: flex;
-      flex-direction: column;
-      opacity: 0;
-      transition: opacity 0.3s;
-    }
-    .video-container:hover .custom-controls {
-      opacity: 1;
-    }
-    .progress-container {
-      width: 100%;
-      height: 8px;
-      background: #001133;
-      margin-bottom: 10px;
-      cursor: pointer;
-    }
-    .progress-bar {
-      height: 100%;
-      background: #00aaff;
-      width: 0%;
-      position: relative;
-    }
-    .progress-bar::after {
-      content: '';
-      position: absolute;
-      right: -5px;
-      top: 50%;
-      transform: translateY(-50%);
-      width: 10px;
-      height: 10px;
-      background: #00ccff;
-      border-radius: 50%;
-      box-shadow: 0 0 5px #00ccff;
-    }
-    .buttons-container {
-      display: flex;
-      align-items: center;
-      justify-content: space-between;
-    }
-    .left-controls, .right-controls {
-      display: flex;
-      align-items: center;
-      gap: 15px;
-    }
-    .control-btn {
-      background: none;
-      border: none;
-      color: #00ccff;
-      font-size: 16px;
-      cursor: pointer;
-      transition: all 0.3s;
-    }
-    .control-btn:hover {
-      color: #00ffcc;
-      text-shadow: 0 0 5px #00ffcc;
-    }
-    .time-display {
-      font-size: 14px;
-      color: #00aaff;
-      box-shadow: 0.1px 0.1px 0.1px black;
-      font-family: "M PLUS Rounded 1c", monospace;
-    }
-    .volume-container {
-      display: flex;
-      align-items: center;
-      gap: 5px;
-    }
-    .volume-slider {
-      width: 80px;
-      -webkit-appearance: none;
-      height: 4px;
-      background: #001133;
-      outline: none;
-    }
-    .volume-slider::-webkit-slider-thumb {
-      -webkit-appearance: none;
-      width: 12px;
-      height: 12px;
-      background: #00aaff;
-      border-radius: 50%;
-      cursor: pointer;
-    }
-    .controls {
-      display: flex;
-      flex-direction: column;
-      gap: 15px;
-      width: 100%;
-      max-width: 800px;
-      background-color: #0f0f1a;
-      padding: 20px;
-      border: 1px solid #0066ff;
-      box-shadow: 0 0 15px rgba(0, 102, 255, 0.3);
-    }
-    .control-group {
-      display: flex;
-      flex-direction: row;
-      align-items: center;
-      justify-content: flex-start;
-      gap: 10px;
-      flex-wrap: nowrap;
-    }
-    .control-group label {
-      white-space: nowrap;
-      min-width: 100px;
-      text-align: right;
-      color: #00ccff;
-    }
-    input[type="range"] {
-      flex-grow: 1;
-      -webkit-appearance: none;
-      height: 8px;
-      background: #001133;
-      border-radius: 5px;
-      outline: none;
-    }
-    input[type="range"]::-webkit-slider-thumb {
-      -webkit-appearance: none;
-      width: 18px;
-      height: 18px;
-      background: #00aaff;
-      border-radius: 50%;
-      cursor: pointer;
-      box-shadow: 0 0 5px #00aaff;
-    }
-    input[type="number"], select {
-      background-color: #001133;
-      color: #00ccff;
-      border: 1px solid #0066ff;
-      padding: 5px;
-      font-family: "M PLUS Rounded 1c", monospace;
-    }
-    button {
-      background-color: #001133;
-      color: #00ccff;
-      border: 1px solid #0066ff;
-      padding: 8px 15px;
-      cursor: pointer;
-      font-family: "M PLUS Rounded 1c", monospace;
-      transition: all 0.3s;
-      align-self: flex-start;
-    }
-    button:hover {
-      background-color: #0066ff;
-      color: #000;
-      box-shadow: 0 0 10px #0066ff;
-    }
-    select {
-      width: 300px;
-      background-color: #001133;
-      color: #00ccff;
-      border: 1px solid #0066ff;
-      padding: 5px;
-    }
-    input[type="checkbox"] {
-      -webkit-appearance: none;
-      width: 18px;
-      height: 18px;
-      background: #001133;
-      border: 1px solid #0066ff;
-      position: relative;
-    }
-    input[type="checkbox"]:checked {
-      background: #0066ff;
-      box-shadow: 0 0 5px #0066ff;
-    }
-    input[type="checkbox"]:checked::after {
-      content: "✓";
-      position: absolute;
-      color: #000;
-      font-size: 14px;
-      top: 50%;
-      left: 50%;
-      transform: translate(-50%, -50%);
-    }
-    /* 字幕設定用スタイル */
-    .subtitle-settings {
-      margin-top: 10px;
-      padding: 10px;
-      background-color: rgba(0, 20, 40, 0.5);
-      border: 1px solid #0066ff;
-    }
-    /* 字幕サイズ調整用のCSS変数 */
-    :root {
-      --subtitle-scale: 1;
-      --subtitle-border-radius: 10px;
-    }
-    video::cue {
-      font-size: calc(16px * var(--subtitle-scale)) !important;
-      line-height: 1.5 !important;
-      border-radius: var(--subtitle-border-radius) !important;
-    }
-    /* 全画面時の字幕サイズ調整 */
-    .video-container:fullscreen video::cue,
-    .video-container:-webkit-full-screen video::cue,
-    .video-container:-moz-full-screen video::cue,
-    .video-container:-ms-fullscreen video::cue {
-      font-size: calc(16px * var(--subtitle-scale) * var(--fullscreen-scale, 1)) !important;
-    }
     body {
-      margin: 0;
-            padding: 0;
-            background-color: #0a192f; /* 暗い青 */
-            height: 100vh;
-            width: 100vw;
         }
         .ripple {
-            position: absolute;
-            border-radius: 50%;
-            background: transparent;
-            border: 1px solid rgba(100, 210, 255, 0.3); /* 半透明の薄い水色 */
-            transform: translate(-50%, -50%);
-            pointer-events: none;
-            animation: ripple-animation 4s ease-out forwards;
-            z-index: -1;
-            position: absolute; /* または fixed / relative、必要に応じて調整 */
         }
         @keyframes ripple-animation {
-            0% {
-                width: 0;
-                height: 0;
-                opacity: 0.6;
-            }
-            100% {
-                width: 600px;
-                height: 600px;
-                opacity: 0;
-            }
-        }
-  </style>
 </head>
 <body>
-  <div id="ripple-container">
-  </div>
-  <script>
-  document.addEventListener('DOMContentLoaded', function() {
-              const container = document.getElementById('ripple-container');
-              function createRipple() {
-                  const ripple = document.createElement('div');
-                  ripple.classList.add('ripple');
-                  // ランダムな位置
-                  const posX = Math.random() * 100;
-                  const posY = Math.random() * 100;
-                  // ランダムなサイズとアニメーション時間
-                  const maxSize = 400 + Math.random() * 500;
-                  const duration = 3 + Math.random() * 3;
-                  // 半透明の薄い水色のバリエーション
-                  const hue = 190 + Math.random() * 20 - 10; // 水色を中心に少し変化
-                  const saturation = 80 + Math.random() * 15;
-                  const lightness = 70 + Math.random() * 20;
-                  const opacity = 0.3 + Math.random() * 0.3;
-                  ripple.style.left = `${posX}%`;
-                  ripple.style.top = `${posY}%`;
-                  ripple.style.borderColor = `hsla(${hue}, ${saturation}%, ${lightness}%, ${opacity})`;
-                  ripple.style.animationDuration = `${duration}s`;
-                  // キーフレームを動的に変更
-                  const animationName = `ripple-${Date.now()}-${Math.random().toString(36).substr(2, 9)}`;
-                  ripple.style.animationName = animationName;
-                  const style = document.createElement('style');
-                  style.innerHTML = `
-                      @keyframes ${animationName} {
-                          0% {
-                              width: 0;
-                              height: 0;
-                              opacity: ${opacity};
-                          }
-                          100% {
-                              width: ${maxSize}px;
-                              height: ${maxSize}px;
-                              opacity: 0;
-                          }
-                      }
-                  `;
-                  document.head.appendChild(style);
-                  container.appendChild(ripple);
-                  // アニメーション終了後に要素を削除
-                  ripple.addEventListener('animationend', function() {
-                      ripple.remove();
-                      style.remove();
-                  });
-              }
-              // 最初の波紋をいくつか作成
-              for (let i = 0; i < 8; i++) {
-                  setTimeout(createRipple, i * 600);
-              }
-              // 定期的に新しい波紋を作成
-              setInterval(createRipple, 1200);
-              // クリックでも波紋を作成
-              document.addEventListener('click', function(e) {
-                  createRippleAtPosition(e.clientX, e.clientY);
-              });
-              function createRippleAtPosition(x, y) {
-                  const ripple = document.createElement('div');
-                  ripple.classList.add('ripple');
-                  const maxSize = 400 + Math.random() * 500;
-                  const duration = 3 + Math.random() * 3;
-                  const hue = 190 + Math.random() * 20 - 10;
-                  const saturation = 80 + Math.random() * 15;
-                  const lightness = 70 + Math.random() * 20;
-                  const opacity = 0.3 + Math.random() * 0.3;
-                  ripple.style.left = `${x}px`;
-                  ripple.style.top = `${y}px`;
-                  ripple.style.borderColor = `hsla(${hue}, ${saturation}%, ${lightness}%, ${opacity})`;
-                  ripple.style.animationDuration = `${duration}s`;
-                  const animationName = `ripple-click-${Date.now()}-${Math.random().toString(36).substr(2, 9)}`;
-                  ripple.style.animationName = animationName;
-                  const style = document.createElement('style');
-                  style.innerHTML = `
-                      @keyframes ${animationName} {
-                          0% {
-                              width: 0;
-                              height: 0;
-                              opacity: ${opacity};
-                          }
-                          100% {
-                              width: ${maxSize}px;
-                              height: ${maxSize}px;
-                              opacity: 0;
-                          }
-                      }
-                  `;
-                  document.head.appendChild(style);
-                  container.appendChild(ripple);
-                  ripple.addEventListener('animationend', function() {
-                      ripple.remove();
-                      style.remove();
-                  });
-              }
-          });
-  </script>
-  <h1>ラジオ体操動画プレイヤー
-    <br>For Kushihara</h1>
-  <div class="controls">
-    <div class="control-group">
-      <label for="videoSelect">動画の音量：</label>
-      <select id="videoSelect">
-        <option value="v.mp4">小</option>
-        <option value="v-2.mp4">大(+50dB)</option>
-      </select>
-    </div>
-    <div class="control-group">
-      <label for="speedRange">再生速度：</label>
-      <input type="range" id="speedRange" min="0.0001" max="20" step="0.0001" value="1" style="width:700px !important;">
-      <input type="number" id="speedInput" min="0.0001" step="0.0001" value="1">
     </div>
-    <div class="control-group">
-      <label for="volumeRange">音量：</label>
-      <input type="range" id="volumeRange" min="0" max="1" step="0.01" value="1">
-      <input type="number" id="volumeInput" min="0" max="1" step="0.01" value="1">
     </div>
-    <div class="control-group">
-      <label for="loopCheckbox">ループ再生：</label>
-      <input type="checkbox" id="loopCheckbox" checked>
     </div>
-    <!-- 字幕設定セクション -->
-    <div class="subtitle-settings">
-      <div class="control-group">
-        <label for="subtitleToggle">字幕表示：</label>
-        <input type="checkbox" id="subtitleToggle" checked>
-      </div>
-      <div class="control-group">
-        <label for="subtitleSize">文字サイズ：</label>
-        <input type="range" id="subtitleSize" min="0.5" max="5" step="0.1" value="1.5">
-        <input type="number" id="subtitleSizeInput" min="0.01" step="0.01" value="1.5">
-      </div>
-      <div class="control-group">
-        <label for="subtitleTrack">字幕トラック：</label>
-        <select id="subtitleTrack">
-          <option value="v.vtt">日本語</option>
-          <option value="">字幕なし</option>
-        </select>
-      </div>
     </div>
-    <button onclick="goFullscreen()">全画面</button>
-  </div>
-  <div class="video-container">
-    <video id="videoPlayer" src="v.mp4">
-      <track id="subtitleTrackElement" kind="subtitles" src="v.vtt" srclang="ja" label="日本語" default>
-      </track>
-    </video>
-    <div class="custom-controls">
-      <div class="progress-container" id="progressContainer">
-        <div class="progress-bar" id="progressBar">
         </div>
-      </div>
-      <div class="buttons-container">
-        <div class="left-controls">
-          <button class="control-btn" id="playPauseBtn">▶</button>
-          <span class="time-display" id="timeDisplay">00:00 / 00:00</span>
         </div>
-        <div class="right-controls">
-          <div class="volume-container">
-            <button class="control-btn" id="volumeBtn">🔊</button>
-            <input type="range" class="volume-slider" id="volumeSlider" min="0" max="1" step="0.01" value="1">
-          </div>
-          <button class="control-btn" id="subtitleBtn" title="字幕">🔤</button>
-          <button class="control-btn" id="fullscreenBtn">⛶</button>
         </div>
-      </div>
     </div>
-  </div>
-  <script>
-  const video = document.getElementById('videoPlayer');
-    const videoSelect = document.getElementById('videoSelect');
-    const speedRange = document.getElementById('speedRange');
-    const speedInput = document.getElementById('speedInput');
-    const volumeRange = document.getElementById('volumeRange');
-    const volumeInput = document.getElementById('volumeInput');
-    const loopCheckbox = document.getElementById('loopCheckbox');
-    const playPauseBtn = document.getElementById('playPauseBtn');
-    const progressBar = document.getElementById('progressBar');
-    const progressContainer = document.getElementById('progressContainer');
-    const timeDisplay = document.getElementById('timeDisplay');
-    const volumeBtn = document.getElementById('volumeBtn');
-    const volumeSlider = document.getElementById('volumeSlider');
-    const fullscreenBtn = document.getElementById('fullscreenBtn');
-    const subtitleBtn = document.getElementById('subtitleBtn');
-    const subtitleToggle = document.getElementById('subtitleToggle');
-    const subtitleSize = document.getElementById('subtitleSize');
-    const subtitleSizeInput = document.getElementById('subtitleSizeInput');
-    const subtitleTrack = document.getElementById('subtitleTrack');
-    const subtitleTrackElement = document.getElementById('subtitleTrackElement');
-    const videoContainer = document.querySelector('.video-container');
-    // 初期設定
-    video.controls = false;
-    let isDragging = false;
-    let subtitlesEnabled = true;
-    let normalVideoWidth = videoContainer.clientWidth;
-    function updatePlaybackRate(value) {
-      const speed = parseFloat(value);
-      speedInput.value = speed;
-      speedRange.value = speed;
-      video.playbackRate = speed;
-    }
-    function updateVolume(value) {
-      const volume = parseFloat(value);
-      volumeInput.value = volume;
-      volumeRange.value = volume;
-      volumeSlider.value = volume;
-      video.volume = volume;
-      if (volume === 0) {
-        volumeBtn.textContent = '🔇';
-      } else if (volume < 0.5) {
-        volumeBtn.textContent = '🔈';
-      } else {
-        volumeBtn.textContent = '🔊';
       }
-    }
-    function handleVideoChange() {
-      const selected = videoSelect.value;
-      if (selected === 'v-2.mp4') {
-        const confirmPlay = confirm("この動画は音量が大きいです。あらかじめ、デバイスの音量をある程度下げてください。また、音割れが起きます。再生してもよろしいですか？");
-        if (!confirmPlay) {
-          videoSelect.value = video.src.split('/').pop();
-          return;
-        }
-      }
-      video.src = selected;
-      video.load();
-      video.play().then(() => {
-        playPauseBtn.textContent = '⏸';
-      }).catch(e => console.log(e));
-    }
-    function togglePlayPause() {
-      if (video.paused) {
-        video.play();
-        playPauseBtn.textContent = '⏸';
-      } else {
-        video.pause();
-        playPauseBtn.textContent = '▶';
-      }
-    }
-    function updateProgress() {
-      const percent = (video.currentTime / video.duration) * 100;
-      progressBar.style.width = `${percent}%`;
-      const currentMinutes = Math.floor(video.currentTime / 60);
-      const currentSeconds = Math.floor(video.currentTime % 60).toString().padStart(2, '0');
-      const durationMinutes = Math.floor(video.duration / 60);
-      const durationSeconds = Math.floor(video.duration % 60).toString().padStart(2, '0');
-      timeDisplay.textContent = `${currentMinutes}:${currentSeconds} / ${durationMinutes}:${durationSeconds}`;
-    }
-    function setProgress(e) {
-      const width = progressContainer.clientWidth;
-      const clickX = e.offsetX;
-      const duration = video.duration;
-      video.currentTime = (clickX / width) * duration;
-    }
-    function toggleMute() {
-      video.muted = !video.muted;
-      if (video.muted) {
-        volumeBtn.textContent = '🔇';
-        volumeSlider.value = 0;
-      } else {
-        updateVolume(video.volume);
-      }
-    }
-    function handleVolumeChange() {
-      video.muted = false;
-      updateVolume(volumeSlider.value);
-    }
-  function goFullscreen() {
-    if (
-      document.fullscreenElement ||
-      document.webkitFullscreenElement ||
-      document.msFullscreenElement
-    ) {
-      // フルスクリーンを解除
-      if (document.exitFullscreen) {
-        document.exitFullscreen();
-      } else if (document.webkitExitFullscreen) {
-        document.webkitExitFullscreen();
-      } else if (document.msExitFullscreen) {
-        document.msExitFullscreen();
-      }
-    } else {
-      // フルスクリーンにする
-      if (videoContainer.requestFullscreen) {
-        videoContainer.requestFullscreen();
-      } else if (videoContainer.webkitRequestFullscreen) {
-        videoContainer.webkitRequestFullscreen();
-      } else if (videoContainer.msRequestFullscreen) {
-        videoContainer.msRequestFullscreen();
-      }
     }
   }
-    // 全画面変更時の字幕サイズ調整
-    function updateSubtitleScaleForFullscreen() {
-      if (document.fullscreenElement || document.webkitFullscreenElement ||
-          document.mozFullScreenElement || document.msFullscreenElement) {
-        // 全画面モード
-        const fullscreenWidth = window.innerWidth;
-        const scaleFactor = fullscreenWidth / normalVideoWidth;
-        document.documentElement.style.setProperty('--fullscreen-scale', scaleFactor);
-      } else {
-        // 通常モード
-        document.documentElement.style.setProperty('--fullscreen-scale', 1);
-      }
-    }
-    // 字幕関連の関数
-    function toggleSubtitles() {
-      subtitlesEnabled = subtitleToggle.checked;
-      subtitleTrackElement.track.mode = subtitlesEnabled ? 'showing' : 'hidden';
-      subtitleBtn.style.color = subtitlesEnabled ? '#00ccff' : '#666';
-    }
-    function updateSubtitleSize(value) {
-      const size = parseFloat(value);
-      subtitleSizeInput.value = size;
-      subtitleSize.value = size;
-      // CSS変数で字幕サイズを制御
-      document.documentElement.style.setProperty('--subtitle-scale', size);
-      // VTTCueのlineプロパティには数値のみを設定（'bottom'は無効）
-      const track = subtitleTrackElement.track;
-      if (track && track.cues) {
-        for (let i = 0; i < track.cues.length; i++) {
-          // 画面下部に表示するため、適切な数値を設定（例: 90）
-          track.cues[i].line = 90;
-          track.cues[i].snapToLines = false; // ラインスナップを無効に
-        }
-      }
-    }
-    function changeSubtitleTrack() {
-      const selectedTrack = subtitleTrack.value;
-      subtitleTrackElement.src = selectedTrack;
-      subtitleTrackElement.track.mode = selectedTrack && subtitlesEnabled ? 'showing' : 'hidden';
-      // トラック変更後に再度読み込み
-      video.textTracks[0].mode = 'hidden';
-      if (selectedTrack) {
-        video.textTracks[0].mode = subtitlesEnabled ? 'showing' : 'hidden';
-      }
     }
-    function toggleSubtitleMenu() {
-      document.getElementById('subtitleToggle').checked ^= true;
-      toggleSubtitles();
     }
-    // イベントリスナー
-    videoSelect.addEventListener('change', handleVideoChange);
-    ['input', 'change', 'mouseup'].forEach(eventName => {
-      speedRange.addEventListener(eventName, () => updatePlaybackRate(speedRange.value));
-      volumeRange.addEventListener(eventName, () => updateVolume(volumeRange.value));
-      subtitleSize.addEventListener(eventName, () => updateSubtitleSize(subtitleSize.value));
-    });
-    speedInput.addEventListener('input', () => updatePlaybackRate(speedInput.value));
-    volumeInput.addEventListener('input', () => updateVolume(volumeInput.value));
-    subtitleSizeInput.addEventListener('input', () => updateSubtitleSize(subtitleSizeInput.value));
-    loopCheckbox.addEventListener('change', () => {
-      video.loop = loopCheckbox.checked;
-    });
-    subtitleToggle.addEventListener('change', toggleSubtitles);
-    subtitleTrack.addEventListener('change', changeSubtitleTrack);
-    subtitleBtn.addEventListener('click', toggleSubtitleMenu);
-    playPauseBtn.addEventListener('click', togglePlayPause);
-    video.addEventListener('click', togglePlayPause);
-    video.addEventListener('play', () => playPauseBtn.textContent = '⏸');
-    video.addEventListener('pause', () => playPauseBtn.textContent = '▶');
-    video.addEventListener('timeupdate', updateProgress);
-    progressContainer.addEventListener('click', setProgress);
-    progressContainer.addEventListener('mousedown', () => isDragging = true);
-    document.addEventListener('mouseup', () => isDragging = false);
-    progressContainer.addEventListener('mousemove', (e) => isDragging && setProgress(e));
-    volumeBtn.addEventListener('click', toggleMute);
-    volumeSlider.addEventListener('input', handleVolumeChange);
-    fullscreenBtn.addEventListener('click', goFullscreen);
-    // 全画面変更イベントを監視
-    document.addEventListener('fullscreenchange', updateSubtitleScaleForFullscreen);
-    document.addEventListener('webkitfullscreenchange', updateSubtitleScaleForFullscreen);
-    document.addEventListener('mozfullscreenchange', updateSubtitleScaleForFullscreen);
-    document.addEventListener('MSFullscreenChange', updateSubtitleScaleForFullscreen);
-    video.addEventListener('loadedmetadata', () => {
-      updatePlaybackRate(speedRange.value);
-      updateVolume(volumeRange.value);
-      updateSubtitleSize(subtitleSize.value);
-      video.loop = loopCheckbox.checked;
-      toggleSubtitles();
-      updateProgress();
-      // 通常時の動画幅を記録
-      normalVideoWidth = videoContainer.clientWidth;
-    });
-    // CSS変数を設定
-    document.documentElement.style.setProperty('--subtitle-scale', '1');
-    document.documentElement.style.setProperty('--subtitle-border-radius', '10px');
-    document.documentElement.style.setProperty('--fullscreen-scale', '1');
-  </script>
 </body>
 </html>

 <html lang="ja">
 <head>
+    <meta charset="UTF-8">
+    <title>ラジオ体操動画プレイヤー</title>
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+    <link href="https://fonts.googleapis.com/css2?family=M+PLUS+Rounded+1c&display=swap" rel="stylesheet">
+    <link rel="icon" href="icon.png" type="image/png">
+    <script src="https://cdn.jsdelivr.net/npm/video-frames@1/dist/videoframes.umd.min.js"></script>
+    <style>
     body {
+          display: flex;
+          flex-direction: column;
+          align-items: center;
+          background-color: #0a0a12;
+          color: #00ffcc;
+          font-family: "M PLUS Rounded 1c", monospace;
+          padding: 20px;
+          margin: 0;
+          overflow-x: hidden;
         }
+        h1 {
+          color: #00aaff;
+          text-shadow: 0 0 5px #0066ff;
+          border-bottom: 1px solid #0066ff;
+          padding-bottom: 10px;
+          text-align: center;
+        }
+        .video-container {
+          position: relative;
+          max-width: 800px;
+          margin-bottom: 20px;
+          margin-top: 30px;
+          border: 2px solid #0066ff;
+          box-shadow: 0 0 15px rgba(0, 102, 255, 0.5);
+          background: #000;
+        }
+        video {
+          width: 100%;
+          display: block;
+        }
+        /* 字幕スタイル */
+        video::cue {
+          background-color: rgba(0, 0, 0, 0.7) !important;
+          color: #c7dbed !important;
+          font-family: "M PLUS Rounded 1c", monospace !important;
+          text-shadow: 1px 1px 2px #000 !important;
+          outline: 3px solid #0b3e8f !important;
+          border-radius: 10px !important;
+        }
+        /* カスタム動画コントロール */
+        video::-webkit-media-controls {
+          display: none !important;
+        }
+        .custom-controls {
+          position: absolute;
+          bottom: 0;
+          left: 0;
+          right: 0;
+          padding: 10px;
+          display: flex;
+          flex-direction: column;
+          opacity: 0;
+          transition: opacity 0.3s;
+        }
+        .video-container:hover .custom-controls {
+          opacity: 1;
+        }
+        .progress-container {
+          width: 100%;
+          height: 8px;
+          background: #001133;
+          margin-bottom: 10px;
+          cursor: pointer;
+          position: relative;
+        }
+        .progress-bar {
+          height: 100%;
+          background: #00aaff;
+          width: 0%;
+          position: relative;
+        }
+        .progress-bar::after {
+          content: '';
+          position: absolute;
+          right: -5px;
+          top: 50%;
+          transform: translateY(-50%);
+          width: 10px;
+          height: 10px;
+          background: #00ccff;
+          border-radius: 50%;
+          box-shadow: 0 0 5px #00ccff;
+        }
+        .buttons-container {
+          display: flex;
+          align-items: center;
+          justify-content: space-between;
+        }
+        .left-controls, .right-controls {
+          display: flex;
+          align-items: center;
+          gap: 15px;
+        }
+        .control-btn {
+          background: none;
+          border: none;
+          color: #00ccff;
+          font-size: 16px;
+          cursor: pointer;
+          transition: all 0.3s;
+        }
+        .control-btn:hover {
+          color: #00ffcc;
+          text-shadow: 0 0 5px #00ffcc;
+        }
+        .time-display {
+          font-size: 14px;
+          color: #00aaff;
+          box-shadow: 0.1px 0.1px 0.1px black;
+          font-family: "M PLUS Rounded 1c", monospace;
+        }
+        .volume-container {
+          display: flex;
+          align-items: center;
+          gap: 5px;
+        }
+        .volume-slider {
+          width: 80px;
+          -webkit-appearance: none;
+          height: 4px;
+          background: #001133;
+          outline: none;
+        }
+        .volume-slider::-webkit-slider-thumb {
+          -webkit-appearance: none;
+          width: 12px;
+          height: 12px;
+          background: #00aaff;
+          border-radius: 50%;
+          cursor: pointer;
+        }
+        .controls {
+          display: flex;
+          flex-direction: column;
+          gap: 15px;
+          width: 100%;
+          max-width: 800px;
+          background-color: #0f0f1a;
+          padding: 20px;
+          border: 1px solid #0066ff;
+          box-shadow: 0 0 15px rgba(0, 102, 255, 0.3);
+        }
+        .control-group {
+          display: flex;
+          flex-direction: row;
+          align-items: center;
+          justify-content: flex-start;
+          gap: 10px;
+          flex-wrap: nowrap;
+        }
+        .control-group label {
+          white-space: nowrap;
+          min-width: 100px;
+          text-align: right;
+          color: #00ccff;
+        }
+        input[type="range"] {
+          flex-grow: 1;
+          -webkit-appearance: none;
+          height: 8px;
+          background: #001133;
+          border-radius: 5px;
+          outline: none;
+        }
+        input[type="range"]::-webkit-slider-thumb {
+          -webkit-appearance: none;
+          width: 18px;
+          height: 18px;
+          background: #00aaff;
+          border-radius: 50%;
+          cursor: pointer;
+          box-shadow: 0 0 5px #00aaff;
+        }
+        input[type="number"], select {
+          background-color: #001133;
+          color: #00ccff;
+          border: 1px solid #0066ff;
+          padding: 5px;
+          font-family: "M PLUS Rounded 1c", monospace;
+        }
+        button {
+          background-color: #001133;
+          color: #00ccff;
+          border: 1px solid #0066ff;
+          padding: 8px 15px;
+          cursor: pointer;
+          font-family: "M PLUS Rounded 1c", monospace;
+          transition: all 0.3s;
+          align-self: flex-start;
+        }
+        button:hover {
+          background-color: #0066ff;
+          color: #000;
+          box-shadow: 0 0 10px #0066ff;
+        }
+        select {
+          width: 300px;
+          background-color: #001133;
+          color: #00ccff;
+          border: 1px solid #0066ff;
+          padding: 5px;
+        }
+        input[type="checkbox"] {
+          -webkit-appearance: none;
+          width: 18px;
+          height: 18px;
+          background: #001133;
+          border: 1px solid #0066ff;
+          position: relative;
+        }
+        input[type="checkbox"]:checked {
+          background: #0066ff;
+          box-shadow: 0 0 5px #0066ff;
+        }
+        input[type="checkbox"]:checked::after {
+          content: "✓";
+          position: absolute;
+          color: #000;
+          font-size: 14px;
+          top: 50%;
+          left: 50%;
+          transform: translate(-50%, -50%);
+        }
+        /* 字幕設定用スタイル */
+        .subtitle-settings {
+          margin-top: 10px;
+          padding: 10px;
+          background-color: rgba(0, 20, 40, 0.5);
+          border: 1px solid #0066ff;
+        }
+        /* 字幕サイズ調整用のCSS変数 */
+        :root {
+          --subtitle-scale: 1;
+          --subtitle-border-radius: 10px;
+        }
+        video::cue {
+          font-size: calc(16px * var(--subtitle-scale)) !important;
+          line-height: 1.5 !important;
+          border-radius: var(--subtitle-border-radius) !important;
+        }
+        /* 全画面時の字幕サイズ調整 */
+        .video-container:fullscreen video::cue,
+        .video-container:-webkit-full-screen video::cue,
+        .video-container:-moz-full-screen video::cue,
+        .video-container:-ms-fullscreen video::cue {
+          font-size: calc(16px * var(--subtitle-scale) * var(--fullscreen-scale, 1)) !important;
+        }
+        body {
+          margin: 0;
+          padding: 0;
+          background-color: #0a192f;
+          height: 100vh;
+          width: 100vw;
+        }
         .ripple {
+          position: absolute;
+          border-radius: 50%;
+          background: transparent;
+          border: 1px solid rgba(100, 210, 255, 0.3);
+          transform: translate(-50%, -50%);
+          pointer-events: none;
+          animation: ripple-animation 4s ease-out forwards;
+          z-index: -1;
+          position: absolute;
         }
         @keyframes ripple-animation {
+          0% {
+            width: 0;
+            height: 0;
+            opacity: 0.6;
+          }
+          100% {
+            width: 600px;
+            height: 600px;
+            opacity: 0;
+          }
+        }
+        /* ローディングアニメーション */
+        .loading-overlay {
+          position: fixed;
+          top: 0;
+          left: 0;
+          width: 100%;
+          height: 100%;
+          background-color: rgba(0, 0, 0, 0.8);
+          display: flex;
+          justify-content: center;
+          align-items: center;
+          z-index: 9999;
+          transition: opacity 1s ease-out;
+        }
+        .spinner-box {
+          width: 300px;
+          height: 300px;
+          display: flex;
+          justify-content: center;
+          align-items: center;
+          background-color: transparent;
+        }
+        /* 軌道スタイル */
+        .leo {
+          position: absolute;
+          display: flex;
+          justify-content: center;
+          align-items: center;
+          border-radius: 50%;
+        }
+        .blue-orbit {
+          width: 165px;
+          height: 165px;
+          border: 1px solid #91daffa5;
+          animation: spin3D 3s linear .2s infinite;
+        }
+        .green-orbit {
+          width: 120px;
+          height: 120px;
+          border: 1px solid #91ffbfa5;
+          animation: spin3D 2s linear 0s infinite;
+        }
+        .red-orbit {
+          width: 90px;
+          height: 90px;
+          border: 1px solid #ffca91a5;
+          animation: spin3D 1s linear 0s infinite;
+        }
+        .white-orbit {
+          width: 60px;
+          height: 60px;
+          border: 2px solid #ffffff;
+          animation: spin3D 10s linear 0s infinite;
+        }
+        .w1 {
+          transform: rotate3D(1, 1, 1, 90deg);
+        }
+        .w2 {
+          transform: rotate3D(1, 2, .5, 90deg);
+        }
+        .w3 {
+          transform: rotate3D(.5, 1, 2, 90deg);
+        }
+        /* キーフレームアニメーション */
+        @keyframes spin3D {
+          from {
+            transform: rotate3d(.5,.5,.5, 360deg);
+          }
+          to {
+            transform: rotate3d(0,0,0, 0deg);
+          }
+        }
+        @keyframes spin {
+          from {
+            transform: rotate(0deg);
+          }
+          to {
+            transform: rotate(360deg);
+          }
+        }
+        /* フレームプレビュー */
+        .frame-preview {
+          position: absolute;
+          bottom: 30px;
+          transform: translateX(-50%);
+          width: 160px;
+          height: 90px;
+          background: #000;
+          border: 2px solid #00aaff;
+          box-shadow: 0 0 10px rgba(0, 170, 255, 0.7);
+          display: none;
+          z-index: 100;
+          pointer-events: none;
+        }
+        .frame-preview img {
+          width: 100%;
+          height: 100%;
+          object-fit: contain;
+        }
+        .frame-time {
+          position: absolute;
+          bottom: -25px;
+          left: 50%;
+          transform: translateX(-50%);
+          background: rgba(0, 0, 0, 0.8);
+          color: #00ccff;
+          padding: 3px 8px;
+          border-radius: 4px;
+          font-size: 12px;
+          white-space: nowrap;
+        }
+        /* 右クリックメニュー */
+        .context-menu {
+          position: fixed;
+          background-color: #0f0f1a;
+          border: 1px solid #0066ff;
+          box-shadow: 0 0 15px rgba(0, 102, 255, 0.5);
+          z-index: 1000;
+          display: none;
+          min-width: 200px;
+        }
+        .context-menu button {
+          width: 100%;
+          text-align: left;
+          padding: 8px 15px;
+          border: none;
+          border-bottom: 1px solid #003366;
+          background: none;
+          color: #00ccff;
+          font-family: "M PLUS Rounded 1c", monospace;
+          cursor: pointer;
+        }
+        .context-menu button:hover {
+          background-color: #0066ff;
+          color: #000;
+        }
+        /* 音声/字幕のみモード */
+        .audio-only-mode {
+          position: absolute;
+          top: 10px;
+          right: 10px;
+          background: rgba(0, 0, 0, 0.7);
+          color: #00ccff;
+          padding: 5px 10px;
+          border-radius: 4px;
+          font-size: 12px;
+          display: none;
+          z-index: 10;
+        }
+        .audio-only-mode.active {
+          display: block;
+        }
+    </style>
 </head>
 <body>
+    <!-- ローディングオーバーレイ -->
+    <div class="loading-overlay" id="loadingOverlay">
+        <div class="spinner-box">
+            <div class="blue-orbit leo">
+            </div>
+            <div class="green-orbit leo">
+            </div>
+            <div class="red-orbit leo">
+            </div>
+            <div class="white-orbit w1 leo">
+            </div>
+            <div class="white-orbit w2 leo">
+            </div>
+            <div class="white-orbit w3 leo">
+            </div>
+        </div>
     </div>
+    <div id="ripple-container">
     </div>
+    <!-- フレームプレビュー -->
+    <div class="frame-preview" id="framePreview">
+        <img id="previewImage" src="">
+        <div class="frame-time" id="frameTime">
+        </div>
     </div>
+    <!-- 右クリックメニュー -->
+    <div class="context-menu" id="contextMenu">
+        <button onclick="togglePlayPause()">再生/一時停止</button>
+        <button onclick="toggleMute()">ミュート切り替え</button>
+        <button onclick="toggleSubtitles()">字幕表示切り替え</button>
+        <button onclick="toggleAudioOnlyMode()">音声/字幕のみモード</button>
+        <button onclick="goFullscreen()">全画面表示</button>
     </div>
+    <!-- 音声/字幕のみモード表示 -->
+    <div class="audio-only-mode" id="audioOnlyModeIndicator">音声/字幕のみモード</div>
+    <h1>ラジオ体操動画プレイヤー
+        <br>For Kushihara</h1>
+    <div class="controls">
+        <div class="control-group">
+            <label for="videoSelect">動画の音量：</label>
+            <select id="videoSelect">
+                <option value="v.mp4">小</option>
+                <option value="v-2.mp4">大(+50dB)</option>
+            </select>
         </div>
+        <div class="control-group">
+            <label for="speedRange">再生速度：</label>
+            <input type="range" id="speedRange" min="0.0001" max="10" step="0.0001" value="1" style="width:700px !important;">
+            <input type="number" id="speedInput" min="0.0001" step="0.0001" value="1">
         </div>
+        <div class="control-group">
+            <label for="volumeRange">音量：</label>
+            <input type="range" id="volumeRange" min="0" max="1" step="0.01" value="1">
+            <input type="number" id="volumeInput" min="0" max="1" step="0.01" value="1">
+        </div>
+        <div class="control-group">
+            <label for="loopCheckbox">ループ再生：</label>
+            <input type="checkbox" id="loopCheckbox" checked>
+        </div>
+        <!-- 字幕設定セクション -->
+        <div class="subtitle-settings">
+            <div class="control-group">
+                <label for="subtitleToggle">字幕表示：</label>
+                <input type="checkbox" id="subtitleToggle" checked>
+            </div>
+            <div class="control-group">
+                <label for="subtitleSize">文字サイズ：</label>
+                <input type="range" id="subtitleSize" min="0.5" max="5" step="0.1" value="1.5">
+                <input type="number" id="subtitleSizeInput" min="0.01" step="0.01" value="1.5">
+            </div>
+            <div class="control-group">
+                <label for="subtitleTrack">字幕トラック：</label>
+                <select id="subtitleTrack">
+                    <option value="v.vtt">日本語</option>
+                    <option value="">字幕なし</option>
+                </select>
+            </div>
+        </div>
+        <div class="control-group">
+            <button onclick="goFullscreen()">全画面</button>
+            <button onclick="toggleAudioOnlyMode()">音声/字幕のみモード</button>
         </div>
     </div>
+    <div class="video-container">
+        <video id="videoPlayer" src="v.mp4">
+            <track id="subtitleTrackElement" kind="subtitles" src="v.vtt" srclang="ja" label="日本語" default>
+            </track>
+        </video>
+        <div class="preview-container" id="previewContainer">
+            <img id="preview" style="max-width: 200px; max-height: 150px;">
+            <div class="preview-time" id="previewTime"></div>
+        </div>
+        <div class="custom-controls">
+            <div class="progress-container" id="progressContainer">
+                <div class="progress-bar" id="progressBar">
+                </div>
+            </div>
+            <div class="buttons-container">
+                <div class="left-controls">
+                    <button class="control-btn" id="playPauseBtn">▶</button>
+                    <span class="time-display" id="timeDisplay">00:00 / 00:00</span>
+                </div>
+                <div class="right-controls">
+                    <div class="volume-container">
+                        <button class="control-btn" id="volumeBtn">🔊</button>
+                        <input type="range" class="volume-slider" id="volumeSlider" min="0" max="1" step="0.01" value="1">
+                    </div>
+                    <button class="control-btn" id="subtitleBtn" title="字幕">🔤</button>
+                    <button class="control-btn" id="fullscreenBtn">⛶</button>
+                </div>
+            </div>
+        </div>
+    </div>
+    <canvas id="canvas">
+    </canvas>
+    <!-- サムネイル用の非表示video要素 -->
+    <video id="video-for-thumbnail" src="v.mp4" preload="auto" style="display:none;">
+    </video>
+    <script>
+// 要素取得
+const video = document.getElementById('videoPlayer');
+const videoSelect = document.getElementById('videoSelect');
+const speedRange = document.getElementById('speedRange');
+const speedInput = document.getElementById('speedInput');
+const volumeRange = document.getElementById('volumeRange');
+const volumeInput = document.getElementById('volumeInput');
+const loopCheckbox = document.getElementById('loopCheckbox');
+const playPauseBtn = document.getElementById('playPauseBtn');
+const progressBar = document.getElementById('progressBar');
+const progressContainer = document.getElementById('progressContainer');
+const timeDisplay = document.getElementById('timeDisplay');
+const volumeBtn = document.getElementById('volumeBtn');
+const volumeSlider = document.getElementById('volumeSlider');
+const fullscreenBtn = document.getElementById('fullscreenBtn');
+const subtitleBtn = document.getElementById('subtitleBtn');
+const subtitleToggle = document.getElementById('subtitleToggle');
+const subtitleSize = document.getElementById('subtitleSize');
+const subtitleSizeInput = document.getElementById('subtitleSizeInput');
+const subtitleTrack = document.getElementById('subtitleTrack');
+const subtitleTrackElement = document.getElementById('subtitleTrackElement');
+const videoContainer = document.getElementById('videoContainer');
+const videoPlaceholder = document.getElementById('videoPlaceholder');
+const previewTooltip = document.getElementById('previewTooltip');
+const previewTime = document.getElementById('previewTime');
+const previewFrame = document.getElementById('previewFrame');
+const audioOnlyBtn = document.getElementById('audioOnlyBtn');
+const fullscreenContextMenu = document.getElementById('fullscreenContextMenu');
+const exitFullscreenBtn = document.getElementById('exitFullscreenBtn');
+const showVideoBtn = document.getElementById('showVideoBtn');
+const closeContextMenuBtn = document.getElementById('closeContextMenuBtn');
+// プレビュー用動画を動的に作成
+const previewVideo = document.createElement('video');
+previewVideo.id = 'previewVideo';
+previewVideo.className = 'thumbnail-preview';
+previewVideo.muted = true;
+previewVideo.preload = 'auto';
+videoContainer.appendChild(previewVideo);
+// 初期設定
+video.controls = false;
+previewVideo.src = video.src;
+let isDragging = false;
+let subtitlesEnabled = true;
+let normalVideoWidth = videoContainer.clientWidth;
+let isAudioOnlyMode = false;
+let hoverTimeout;
+let canvas = null;
+let previewCanvas = null;
+let previewContext = null;
+let isGeneratingPreview = false;
+// プレビュー用キャンバスを作成
+function createPreviewCanvas() {
+  if (!canvas) {
+    canvas = document.createElement('canvas');
+    canvas.width = video.videoWidth || 640;
+    canvas.height = video.videoHeight || 360;
+  }
+  if (!previewCanvas) {
+    previewCanvas = document.createElement('canvas');
+    previewCanvas.width = 160;
+    previewCanvas.height = 90;
+    previewContext = previewCanvas.getContext('2d');
+  }
+}
+// プレビュー画像を生成
+function generatePreview(time) {
+  if (isGeneratingPreview || !video.readyState) return;
+  try {
+    isGeneratingPreview = true;
+    createPreviewCanvas();
+    const currentTime = video.currentTime;
+    video.currentTime = time;
+    const onSeeked = () => {
+      video.removeEventListener('seeked', onSeeked);
+      try {
+        const ctx = canvas.getContext('2d');
+        canvas.width = video.videoWidth;
+        canvas.height = video.videoHeight;
+        ctx.drawImage(video, 0, 0, canvas.width, canvas.height);
+        previewContext.drawImage(canvas, 0, 0, previewCanvas.width, previewCanvas.height);
+        previewFrame.style.backgroundImage = `url(${previewCanvas.toDataURL()})`;
+      } catch (e) {
+        console.error('Preview generation error:', e);
+        previewFrame.style.backgroundImage = 'linear-gradient(to bottom, #0066ff, #00aaff)';
       }
+      video.currentTime = currentTime;
+      isGeneratingPreview = false;
+    };
+    video.addEventListener('seeked', onSeeked);
+  } catch (e) {
+    console.error('Preview error:', e);
+    isGeneratingPreview = false;
+  }
+}
+// プレビューツールチップを表示
+function showPreviewTooltip(e) {
+  if (!video.duration) return;
+  const rect = progressContainer.getBoundingClientRect();
+  const percent = (e.clientX - rect.left) / rect.width;
+  const time = Math.max(0, Math.min(percent, 1)) * video.duration;
+  const tooltipWidth = previewTooltip.offsetWidth;
+  let left = e.clientX - rect.left;
+  left = Math.max(tooltipWidth / 2, Math.min(left, rect.width - tooltipWidth / 2));
+  previewTooltip.style.left = `${left}px`;
+  const minutes = Math.floor(time / 60);
+  const seconds = Math.floor(time % 60).toString().padStart(2, '0');
+  previewTime.textContent = `${minutes}:${seconds}`;
+  generatePreview(time);
+  previewTooltip.style.display = 'block';
+}
+// プレビューツールチップを非表示
+function hidePreviewTooltip() {
+  previewTooltip.style.display = 'none';
+}
+// ホバー時の時間表示設定
+function setupHoverTime() {
+  const hoverTime = document.createElement('div');
+  hoverTime.className = 'hover-time';
+  progressContainer.appendChild(hoverTime);
+  progressContainer.addEventListener("mousemove", (e) => {
+    if (!video.duration) return;
+    const rect = progressContainer.getBoundingClientRect();
+    const pos = Math.min(Math.max((e.clientX - rect.left) / rect.width, 0), 1);
+    const time = pos * video.duration;
+    const minutes = Math.floor(time / 60);
+    const seconds = Math.floor(time % 60).toString().padStart(2, '0');
+    hoverTime.textContent = `${minutes}:${seconds}`;
+    hoverTime.style.display = 'block';
+    hoverTime.style.left = `${e.clientX - rect.left}px`;
+    previewVideo.style.display = "block";
+    previewVideo.style.left = `${e.clientX}px`;
+    clearTimeout(hoverTimeout);
+    hoverTimeout = setTimeout(() => {
+      previewVideo.currentTime = time;
+    }, 50);
+  });
+  progressContainer.addEventListener("mouseleave", () => {
+    const hoverTime = document.querySelector('.hover-time');
+    if (hoverTime) hoverTime.style.display = "none";
+    previewVideo.style.display = "none";
+    clearTimeout(hoverTimeout);
+  });
+}
+// 再生速度を更新
+function updatePlaybackRate(value) {
+  const speed = parseFloat(value);
+  speedInput.value = speed;
+  speedRange.value = speed;
+  video.playbackRate = speed;
+}
+// 音量を更新
+function updateVolume(value) {
+  const volume = parseFloat(value);
+  volumeInput.value = volume;
+  volumeRange.value = volume;
+  volumeSlider.value = volume;
+  video.volume = volume;
+  if (volume === 0) {
+    volumeBtn.textContent = '🔇';
+  } else if (volume < 0.5) {
+    volumeBtn.textContent = '🔈';
+  } else {
+    volumeBtn.textContent = '🔊';
+  }
+}
+// 動画変更処理
+function handleVideoChange() {
+  const selected = videoSelect.value;
+  if (selected === 'v-2.mp4') {
+    const confirmPlay = confirm("この動画は音量が大きいです。あらかじめ、デバイスの音量をある程度下げてください。また、音割れが起きます。再生してもよろしいですか？");
+    if (!confirmPlay) {
+      videoSelect.value = video.src.split('/').pop();
+      return;
     }
   }
+  video.src = selected;
+  previewVideo.src = selected;
+  video.load();
+  previewVideo.load();
+  video.play().catch(e => console.log(e));
+}
+// 再生/一時停止を切り替え
+function togglePlayPause() {
+  if (video.paused) {
+    video.play().then(() => {
+      playPauseBtn.textContent = '⏸';
+    }).catch(e => console.log(e));
+  } else {
+    video.pause();
+    playPauseBtn.textContent = '▶';
+  }
+}
+// 進捗バーを更新
+function updateProgress() {
+  if (!video.duration) return;
+  const percent = (video.currentTime / video.duration) * 100;
+  progressBar.style.width = `${percent}%`;
+  const currentMinutes = Math.floor(video.currentTime / 60);
+  const currentSeconds = Math.floor(video.currentTime % 60).toString().padStart(2, '0');
+  const durationMinutes = Math.floor(video.duration / 60);
+  const durationSeconds = Math.floor(video.duration % 60).toString().padStart(2, '0');
+  timeDisplay.textContent = `${currentMinutes}:${currentSeconds} / ${durationMinutes}:${durationSeconds}`;
+}
+// 進捗バーを設定
+function setProgress(e) {
+  const width = progressContainer.clientWidth;
+  const clickX = e.offsetX;
+  const duration = video.duration;
+  video.currentTime = (clickX / width) * duration;
+}
+// ミュートを切り替え
+function toggleMute() {
+  video.muted = !video.muted;
+  if (video.muted) {
+    volumeBtn.textContent = '🔇';
+    volumeSlider.value = 0;
+  } else {
+    updateVolume(video.volume);
+  }
+}
+// 音量変更を処理
+function handleVolumeChange() {
+  video.muted = false;
+  updateVolume(volumeSlider.value);
+}
+// 全画面表示を切り替え
+function goFullscreen() {
+  if (document.fullscreenElement || document.webkitFullscreenElement || document.msFullscreenElement) {
+    if (document.exitFullscreen) {
+      document.exitFullscreen();
+    } else if (document.webkitExitFullscreen) {
+      document.webkitExitFullscreen();
+    } else if (document.msExitFullscreen) {
+      document.msExitFullscreen();
     }
+  } else {
+    if (videoContainer.requestFullscreen) {
+      videoContainer.requestFullscreen();
+    } else if (videoContainer.webkitRequestFullscreen) {
+      videoContainer.webkitRequestFullscreen();
+    } else if (videoContainer.msRequestFullscreen) {
+      videoContainer.msRequestFullscreen();
     }
+  }
+}
+// 全画面コンテキストメニューを表示
+function showContextMenu(e) {
+  if (!(document.fullscreenElement || document.webkitFullscreenElement || document.msFullscreenElement)) {
+    return;
+  }
+  e.preventDefault();
+  fullscreenContextMenu.style.display = 'block';
+  fullscreenContextMenu.style.left = `${e.clientX}px`;
+  fullscreenContextMenu.style.top = `${e.clientY}px`;
+}
+// 全画面コンテキストメニューを非表示
+function hideContextMenu() {
+  fullscreenContextMenu.style.display = 'none';
+}
+// 音声/字幕のみモードを切り替え
+function toggleAudioOnlyMode() {
+  isAudioOnlyMode = !isAudioOnlyMode;
+  if (isAudioOnlyMode) {
+    videoContainer.classList.add('audio-only-mode');
+    videoPlaceholder.style.display = 'flex';
+    video.style.display = 'none';
+    audioOnlyBtn.textContent = '🎥';
+    audioOnlyBtn.title = '動画表示モード';
+  } else {
+    videoContainer.classList.remove('audio-only-mode');
+    videoPlaceholder.style.display = 'none';
+    video.style.display = 'block';
+    audioOnlyBtn.textContent = '🔈';
+    audioOnlyBtn.title = '音声/字幕のみ';
+  }
+  hideContextMenu();
+}
+// 全画面時の字幕サイズ調整
+function updateSubtitleScaleForFullscreen() {
+  if (document.fullscreenElement || document.webkitFullscreenElement ||
+      document.mozFullScreenElement || document.msFullscreenElement) {
+    const fullscreenWidth = window.innerWidth;
+    const scaleFactor = fullscreenWidth / normalVideoWidth;
+    document.documentElement.style.setProperty('--fullscreen-scale', scaleFactor);
+  } else {
+    document.documentElement.style.setProperty('--fullscreen-scale', 1);
+  }
+}
+// 字幕表示を切り替え
+function toggleSubtitles() {
+  subtitlesEnabled = subtitleToggle.checked;
+  if (subtitleTrackElement.track) {
+    subtitleTrackElement.track.mode = subtitlesEnabled ? 'showing' : 'hidden';
+  }
+  subtitleBtn.style.color = subtitlesEnabled ? '#00ccff' : '#666';
+}
+// 字幕サイズを更新
+function updateSubtitleSize(value) {
+  const size = parseFloat(value);
+  subtitleSizeInput.value = size;
+  subtitleSize.value = size;
+  document.documentElement.style.setProperty('--subtitle-scale', size);
+  const track = subtitleTrackElement.track;
+  if (track && track.cues) {
+    for (let i = 0; i < track.cues.length; i++) {
+      track.cues[i].line = 90;
+      track.cues[i].snapToLines = false;
+    }
+  }
+}
+// 字幕トラックを変更
+function changeSubtitleTrack() {
+  const selectedTrack = subtitleTrack.value;
+  subtitleTrackElement.src = selectedTrack;
+  if (video.textTracks.length > 0) {
+    video.textTracks[0].mode = selectedTrack && subtitlesEnabled ? 'showing' : 'hidden';
+  }
+}
+// 字幕メニューを切り替え
+function toggleSubtitleMenu() {
+  subtitleToggle.checked = !subtitleToggle.checked;
+  toggleSubtitles();
+}
+// イベントリスナーを設定
+function setupEventListeners() {
+  videoSelect.addEventListener('change', handleVideoChange);
+  ['input', 'change'].forEach(eventName => {
+    speedRange.addEventListener(eventName, () => updatePlaybackRate(speedRange.value));
+    volumeRange.addEventListener(eventName, () => updateVolume(volumeRange.value));
+    subtitleSize.addEventListener(eventName, () => updateSubtitleSize(subtitleSize.value));
+  });
+  speedInput.addEventListener('input', () => updatePlaybackRate(speedInput.value));
+  volumeInput.addEventListener('input', () => updateVolume(volumeInput.value));
+  subtitleSizeInput.addEventListener('input', () => updateSubtitleSize(subtitleSizeInput.value));
+  loopCheckbox.addEventListener('change', () => {
+    video.loop = loopCheckbox.checked;
+  });
+  subtitleToggle.addEventListener('change', toggleSubtitles);
+  subtitleTrack.addEventListener('change', changeSubtitleTrack);
+  subtitleBtn.addEventListener('click', toggleSubtitleMenu);
+  playPauseBtn.addEventListener('click', togglePlayPause);
+  video.addEventListener('click', togglePlayPause);
+  video.addEventListener('play', () => playPauseBtn.textContent = '⏸');
+  video.addEventListener('pause', () => playPauseBtn.textContent = '▶');
+  video.addEventListener('timeupdate', updateProgress);
+  progressContainer.addEventListener('click', setProgress);
+  progressContainer.addEventListener('mousedown', () => isDragging = true);
+  document.addEventListener('mouseup', () => isDragging = false);
+  progressContainer.addEventListener('mousemove', (e) => {
+    if (isDragging) setProgress(e);
+    showPreviewTooltip(e);
+  });
+  progressContainer.addEventListener('mouseenter', showPreviewTooltip);
+  progressContainer.addEventListener('mouseleave', hidePreviewTooltip);
+  volumeBtn.addEventListener('click', toggleMute);
+  volumeSlider.addEventListener('input', handleVolumeChange);
+  fullscreenBtn.addEventListener('click', goFullscreen);
+  audioOnlyBtn.addEventListener('click', toggleAudioOnlyMode);
+  videoContainer.addEventListener('contextmenu', showContextMenu);
+  exitFullscreenBtn.addEventListener('click', () => {
+    if (document.exitFullscreen) document.exitFullscreen();
+    hideContextMenu();
+  });
+  showVideoBtn.addEventListener('click', () => {
+    if (isAudioOnlyMode) toggleAudioOnlyMode();
+    hideContextMenu();
+  });
+  closeContextMenuBtn.addEventListener('click', hideContextMenu);
+  document.addEventListener('click', hideContextMenu);
+  document.addEventListener('fullscreenchange', updateSubtitleScaleForFullscreen);
+  document.addEventListener('webkitfullscreenchange', updateSubtitleScaleForFullscreen);
+  document.addEventListener('mozfullscreenchange', updateSubtitleScaleForFullscreen);
+  document.addEventListener('MSFullscreenChange', updateSubtitleScaleForFullscreen);
+  video.addEventListener('loadedmetadata', () => {
+    updatePlaybackRate(speedRange.value);
+    updateVolume(volumeRange.value);
+    updateSubtitleSize(subtitleSize.value);
+    video.loop = loopCheckbox.checked;
+    toggleSubtitles();
+    updateProgress();
+    normalVideoWidth = videoContainer.clientWidth;
+    createPreviewCanvas();
+  });
+}
+// CSS変数を初期設定
+document.documentElement.style.setProperty('--subtitle-scale', '1');
+document.documentElement.style.setProperty('--subtitle-border-radius', '10px');
+document.documentElement.style.setProperty('--fullscreen-scale', '1');
+// 初期化
+setupHoverTime();
+setupEventListeners();
+createPreviewCanvas();
+    </script>
 </body>
 </html>