section.site-info {
    background: #fff8dc;
    border-left: 6px solid #f0ad4e;
    padding: 1.5em 1em;
    margin: 1em auto;
    border-radius: 6px;
    max-width: 1000px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.03);
    }
    section.site-info h2 {
      font-size: 1.4em;
      color: #d35400;
      border-bottom: 2px solid #f0ad4e;
      padding-bottom: 0.3em;
      margin-bottom: 1em;
    }
    section.site-info p {
      line-height: 1.8;
      margin-bottom: 1em;
    }
    .indent {
    margin-left: 1.5em;
    }
    body {
      font-family: "M PLUS Rounded 1c", sans-serif;
      background: #f9f7f2;
      margin: 0;
      color: #333;
    }
    header {
      background: #003366;
      color: white;
      padding: 1em 0;
      text-align: center;
    }
    header h1 {
      margin: 0.3em 0;
      font-size: 1.5em;
    }
    header img {
      height: 150px;
    }
    main {
      padding: 2em 1em;
      max-width: 1000px;
      margin: auto;
    }
    .notice1 {
      background: #fff8dc;
      border-left: 6px solid #f0ad4e;
      padding: 1em;
      margin-bottom: 2em;
      border-radius: 6px;
    }
    .notice2 {
      background: #e3f2fd;
      border-left: 5px solid #2196f3;
      padding: 0.2em 1em;
      margin-bottom: 0.5em;
      border-radius: 6px;
      max-width: 1000px;
      margin-left: auto;
      margin-right: auto;
    }

    section a  {
      color: #0d47a1;
      font-weight: bold;
      text-decoration: none;
    }
    .ad-box {
      display: flex;
      flex-wrap: wrap;
      gap: 1em;
      justify-content: center;
      margin: 2em 0;
      padding: 0;
      border: none;
      background: transparent;
    }
    .ad-box ins.adsbygoogle {
      background: transparent !important;
      margin: 0;
      padding: 0;
      border: none;
      line-height: 0;
    }
    footer {
      background: #f0f0f0;
      padding: 1em;
      text-align: center;
      font-size: 0.9em;
      color: #555;
    }
    footer a {
      color: #0077b5;
      text-decoration: none;
    }
    .table-wrapper {
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
    }

    .table-wrapper table {
      width: 100%;
      table-layout: fixed;
      min-width: 900px;
    }
  
  .seat-button-list {
    max-width: 700px;
    margin: 1.5em auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .seat-link-btn {
    display: block;
    padding: 18px 20px;
    background: #fff;
    border: 2px solid #ff9800;
    border-radius: 14px;
    text-decoration: none;
    color: #333;
    font-size: 1.05em;
    font-weight: 600;
    box-shadow: 0 2px 6px rgba(0,0,0,0.12);
    transition: 0.1s ease-out;
  }

  .seat-link-btn:hover {
    background: #fff7e6;
    border-color: #fb8c00;
    transform: translateY(1px);
    box-shadow: 0 1px 4px rgba(0,0,0,0.16);
  }

  .seat-link-btn .label {
    font-size: 1.15em;
    font-weight: 700;
    color: #d35400;
  }

  .seat-link-btn .sub {
    font-size: 0.9em;
    color: #666;
    display: block;
    margin-top: 3px;
  }

  .seat-link-btn.active {
    background: #e0e0e0;
    border-color: #bdbdbd;
    color: #555;
    box-shadow: none;
    pointer-events: none;
  }

  .seat-link-btn.active:hover {
    background: #e0e0e0;
    transform: none;
    box-shadow: none;
  }


    @media (max-width: 600px) {
      header img {
        height: 90px;
      }
      header h1 {
        font-size: 1.3em;
        padding: 0 0.5em;
      }
      main {
        padding: 1em 0.5em;
      }
    }