    @charset "UTF-8";
    
    body {
      margin: 0;
      padding: 20px;
      text-align: center;
      background: #fff;
      font-family: "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
    }

    a, a:link, a:visited, a:hover, a:active,
    .qr-section a, .note a {
    color:#0066cc !important;
    text-decoration:underline;
    }

    .wrapper {
      min-height: 100vh; /* 画面の高さ分 */
      display: flex;
      flex-direction: column;
    }

    .content {
        flex: 1; /* 残りのスペースを埋める */
      }

    footer {
        margin-top: auto; /* 下に固定 */
      }

    .divider {
      border: none;
      border-top: 2px solid #ccc;
      margin: 30px 0;
    }
    .sp { display:none; }

    /* toppage */
    .catch {
      font-family: 'Kaisei Tokumin', serif;
      font-size: 3.4em;
      font-weight: 700;
      color: #007735;
      margin: 0 0 8px 0;
    }
    .subtitle {
      font-size: 1.3em;
      margin: 0 0 5px 0;
    }

    .title {
      font-size: 2.2em;
      font-weight: bold;
      margin: 0 0 10px 0;
    }

    .credit {
      font-size: 1em;
      color: #777;
      margin: 0 0 30px 0;
    }
    .lyrics-block {
      margin-bottom: 30px;
    }

    .lyrics-block img {
      display: block;
      margin: 0 auto 10px auto;
      max-width: 100%;
      height: auto;
    }

    .lyrics-block a {
      color: #007acc;
      text-decoration: none;
      font-size: 1.1em;
    }

    .lyrics-block a:hover {
      text-decoration: underline;
    }
    .qr-section {
      display: flex;
      justify-content: center;
      gap: 60px;
      margin-top: 30px;
    }

    .qr-box {
      text-align: center;
    }

    .qr-box img {
      width: 180px;
      height: auto;
    }

    .note {
      font-size: 1em;
      margin-bottom: 10px;
    }
    /* print */
    img {
      max-width: 100%;
      height: auto;
      display:block;
      margin:0;
      padding:0;
    }
    .back-btn {
      position: fixed;
      right: 15px;
      bottom: 15px;
      font-size: 1.2em;
      color: #000;
      text-decoration: none;
      background: rgba(255,255,255,0.9);
      padding: 8px 14px;
      border-radius: 6px;
      box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    }
    .back-btn::before {
      content: "← ";
    }
    .back-btn:hover {
      background: #eee;
    }

    blockquote {
      background-color: #f1f8ff;
      border-left: 4px solid #3b82f6;
      padding: 1em;
      margin: 1em 0;
      font-weight: bold;
    }


    /* for sp */
    @media (max-width: 767px) {
      .sp { display:inline; }
      }

    @media (max-width: 600px) {
      body {
        padding: 10px;
      }
    
    /* toppage */
      .catch {
        font-size: 2em;
        margin-bottom: 6px;
        line-height: 1.2;
      }

      .title {
        display: none;
        font-size: 1.6em;
        margin: 5px 0;
      }

      .subtitle,
      .credit {
        display: none;
      }

      .lyrics-block a {
        display: inline-block;
        font-size: 1em;
        margin-top: 5px;
      }

      .qr-section {
        flex-direction: column;
        align-items: center;
        gap: 20px;
      }

      .qr-box img {
        width: 200px;
      }

      .note {
        font-size: 0.9em;
      }
    }
