.blog-list {
    background-color: #1a1a1a;
    color: #f0f0f0;
    min-height: 100vh;
    padding-bottom: 60px;
  }

  .blog-list__hero-section {
    padding: var(--header-offset, 120px) 20px 40px;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
  }

  .blog-list__main-title {
    font-size: 2.5em;
    color: #FFD700;
    margin-bottom: 15px;
    font-weight: bold;
  }

  .blog-list__description {
    font-size: 1.1em;
    color: #bbb;
    line-height: 1.6;
  }

  .blog-list__timeline-wrapper {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 0;
  }

  .blog-list__timeline-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 4px;
    background-color: #333;
    height: 100%;
    transform: translateX(-50%);
    z-index: 1;
  }

  .blog-list__timeline-item {
    position: relative;
    margin-bottom: 60px;
    width: 50%;
    padding: 10px 0;
    z-index: 2;
  }

  .blog-list__timeline-item::before {
    content: '';
    position: absolute;
    top: 25px;
    width: 20px;
    height: 20px;
    background-color: #FFD700;
    border: 3px solid #1a1a1a;
    border-radius: 50%;
    z-index: 3;
    transform: translateX(-50%);
  }

  .blog-list__timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 50px;
  }

  .blog-list__timeline-item:nth-child(odd)::before {
    left: calc(100% + 2px);
  }

  .blog-list__timeline-item:nth-child(even) {
    left: 50%;
    padding-left: 50px;
  }

  .blog-list__timeline-item:nth-child(even)::before {
    left: -2px;
  }

  .blog-list__timeline-content-wrapper {
    background-color: #222;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .blog-list__timeline-content-wrapper:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
  }

  .blog-list__image-wrapper {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
  }

  .blog-list__cover-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }

  .blog-list__text-content {
    padding: 20px;
  }

  .blog-list__item-title {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 10px;
    line-height: 1.4;
  }

  .blog-list__item-link {
    color: #f0f0f0;
    text-decoration: none;
    transition: color 0.3s ease;
  }

  .blog-list__item-link:hover {
    color: #FFD700;
  }

  .blog-list__item-summary {
    font-size: 16px;
    color: #bbb;
    line-height: 1.6;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .blog-list__item-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
  }

  .blog-list__item-date {
    font-size: 14px;
    color: #999;
  }

  .blog-list__item-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
  }

  .blog-list__keyword-tag {
    background-color: #3a3a3a;
    color: #f0f0f0;
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 5px;
  }

  .blog-list__read-more-button {
    display: inline-block;
    background-color: #FFD700;
    color: #1a1a1a;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.3s ease;
  }

  .blog-list__read-more-button:hover {
    background-color: #E5C100;
    transform: translateY(-2px);
  }

  @media (max-width: 1024px) {
    .blog-list__main-title {
      font-size: 2em;
    }
    .blog-list__description {
      font-size: 1em;
    }
    .blog-list__timeline-wrapper::before {
      left: 20px;
      transform: translateX(0);
    }
    .blog-list__timeline-item {
      width: 100%;
      padding-left: 50px;
      left: 0;
    }
    .blog-list__timeline-item::before {
      left: 20px;
      transform: translateX(-50%);
    }
    .blog-list__timeline-item:nth-child(odd) {
      padding-right: 0;
    }
    .blog-list__timeline-item:nth-child(odd)::before {
      left: 20px;
    }
    .blog-list__timeline-item:nth-child(even) {
      padding-left: 50px;
    }
    .blog-list__timeline-item:nth-child(even)::before {
      left: 20px;
    }
  }

  @media (max-width: 768px) {
    .blog-list__hero-section {
      padding-left: 15px;
      padding-right: 15px;
    }
    .blog-list__main-title {
      font-size: 1.8em;
    }
    .blog-list__timeline-wrapper {
      padding: 10px 0;
    }
    .blog-list__timeline-wrapper::before {
      left: 15px;
    }
    .blog-list__timeline-item {
      padding-left: 40px;
      margin-bottom: 40px;
    }
    .blog-list__timeline-item::before {
      left: 15px;
      width: 16px;
      height: 16px;
    }
    .blog-list__text-content {
      padding: 15px;
    }
    .blog-list__item-title {
      font-size: 18px;
    }
    .blog-list__item-summary {
      font-size: 14px;
      -webkit-line-clamp: 4;
    }
    .blog-list__read-more-button {
      padding: 8px 15px;
      font-size: 0.9em;
    }
  }