/* ページ固有のスタイル */
    .heritage-card {
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border-radius: 15px;
      overflow: hidden;
      height: 100%;
    }
    
    .heritage-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
    }
    
    .highlight-section {
      background-color: #f8f5f0;
      padding: 5rem 0;
      border-top: 1px solid rgba(0, 0, 0, 0.05);
      border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }
    
    .gallery-item {
      position: relative;
      overflow: hidden;
      border-radius: 10px;
      margin-bottom: 1.5rem;
    }
    
    .gallery-item img {
      transition: transform 0.5s ease;
      width: 100%;
      height: 200px;
      object-fit: cover;
    }
    
    .gallery-item:hover img {
      transform: scale(1.05);
    }
    
    .info-icon {
      font-size: 2.5rem;
      color: var(--bs-primary);
      margin-bottom: 1rem;
    }
    
    .video-container {
      position: relative;
      padding-bottom: 56.25%;
      height: 0;
      overflow: hidden;
      border-radius: 10px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }
    
    .video-container iframe {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      border: 0;
    }
    
    .timeline {
      position: relative;
      padding: 1rem 0;
    }
    
    .timeline::before {
      content: '';
      position: absolute;
      height: 100%;
      width: 3px;
      background: var(--bs-primary);
      left: 50px;
      top: 0;
    }
    
    .timeline-item {
      position: relative;
      padding-left: 100px;
      margin-bottom: 2rem;
    }
    
    .timeline-date {
      position: absolute;
      left: 0;
      width: 80px;
      text-align: center;
      font-weight: 500;
      background: var(--bs-primary);
      color: white;
      padding: 0.3rem 0.5rem;
      border-radius: 5px;
    }
    
    .timeline-content {
      padding: 1rem 1.5rem;
      background: white;
      border-radius: 10px;
      box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    }
    
    @media (max-width: 767.98px) {
      .timeline::before {
        left: 30px;
      }
      
      .timeline-item {
        padding-left: 70px;
      }
      
      .timeline-date {
        width: 60px;
        font-size: 0.8rem;
      }
    }