.blog-list {
      padding-top: var(--header-offset, 120px);
      padding-bottom: 40px;
      background-color: #f8f8f8;
      font-family: Arial, sans-serif;
      color: #333;
    }

    .blog-list__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
      position: relative;
    }

    .blog-list__title {
      text-align: center;
      font-size: 2.5em;
      color: #003366;
      margin-bottom: 40px;
      font-weight: bold;
      padding-top: 20px;
    }

    .blog-list__timeline {
      position: relative;
      margin-left: 20px;
      padding-left: 30px;
    }

    .blog-list__timeline::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background-color: #003366;
      border-radius: 2px;
      z-index: 1;
    }

    .blog-list__item {
      position: relative;
      background-color: #ffffff;
      border-radius: 12px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      margin-bottom: 40px;
      padding: 20px;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      overflow: hidden;
      margin-left: 30px;
    }

    .blog-list__item:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    }

    .blog-list__item::before {
      content: '';
      position: absolute;
      top: 25px;
      left: -40px;
      width: 16px;
      height: 16px;
      background-color: #ffcc00;
      border: 3px solid #003366;
      border-radius: 50%;
      z-index: 2;
    }

    .blog-list__cover-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      border-radius: 8px;
      margin-bottom: 15px;
      aspect-ratio: 16 / 9;
    }

    .blog-list__date {
      font-size: 0.85em;
      color: #777;
      margin-bottom: 10px;
      display: block;
    }

    .blog-list__title-link {
      font-size: 1.5em;
      font-weight: bold;
      color: #003366;
      text-decoration: none;
      margin-bottom: 10px;
      display: block;
      line-height: 1.3;
      transition: color 0.3s ease;
    }

    .blog-list__title-link:hover {
      color: #cc9900;
    }

    .blog-list__summary {
      font-size: 1em;
      color: #666;
      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__read-more {
      display: inline-block;
      background-color: #003366;
      color: #ffffff;
      padding: 10px 20px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.3s ease;
      align-self: flex-start;
    }

    .blog-list__read-more:hover {
      background-color: #ffcc00;
      color: #003366;
      transform: translateY(-2px);
    }

    @media (min-width: 768px) {
      .blog-list__timeline {
        margin-left: 0;
        padding-left: 0;
      }

      .blog-list__timeline::before {
        left: 50%;
        transform: translateX(-50%);
      }

      .blog-list__item {
        width: calc(50% - 30px);
        margin-bottom: 40px;
        margin-left: calc(50% + 15px);
        text-align: left;
      }

      .blog-list__item::before {
        left: -25px;
        top: 25px;
      }

      .blog-list__item:nth-child(odd) {
        margin-right: calc(50% + 15px);
        margin-left: auto;
        text-align: right;
      }
      
      .blog-list__item:nth-child(odd) .blog-list__date,
      .blog-list__item:nth-child(odd) .blog-list__title-link,
      .blog-list__item:nth-child(odd) .blog-list__summary {
        text-align: right;
      }

      .blog-list__item:nth-child(odd) .blog-list__read-more {
        align-self: flex-end;
      }

      .blog-list__item:nth-child(odd)::before {
        left: auto;
        right: -25px;
      }
    }

    @media (min-width: 1024px) {
      .blog-list__item {
        width: calc(50% - 40px);
      }
      .blog-list__item:nth-child(odd) {
        margin-right: calc(50% + 20px);
      }
      .blog-list__item:nth-child(even) {
        margin-left: calc(50% + 20px);
      }
    }