:root {
      --blog-list__primary-color: #f7b731;
      --blog-list__dark-text: #333333;
      --blog-list__medium-text: #666666;
      --blog-list__light-text: #999999;
      --blog-list__background-light: #ffffff;
      --blog-list__background-dark: #f0f2f5;
      --blog-list__border-color: #e0e0e0;
      --blog-list__card-border-radius: 10px;
      --blog-list__spacing-medium: 20px;
      --blog-list__spacing-large: 30px;
    }

    .blog-list {
      padding-top: var(--header-offset, 120px);
      padding-bottom: var(--blog-list__spacing-large);
      background-color: var(--blog-list__background-dark);
      font-family: 'Arial', sans-serif;
      color: var(--blog-list__dark-text);
      line-height: 1.6;
    }

    .blog-list__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 var(--blog-list__spacing-medium);
    }

    .blog-list__title {
      font-size: 2.5em;
      color: var(--blog-list__dark-text);
      text-align: center;
      margin-bottom: var(--blog-list__spacing-large);
      font-weight: bold;
      padding-top: var(--blog-list__spacing-large);
    }

    .blog-list__timeline {
      position: relative;
      padding: var(--blog-list__spacing-large) 0;
    }

    .blog-list__timeline::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      width: 4px;
      background-color: var(--blog-list__primary-color);
      left: 50%;
      margin-left: -2px;
    }

    .blog-list__item {
      display: flex;
      justify-content: space-between;
      margin-bottom: var(--blog-list__spacing-large);
      position: relative;
    }

    .blog-list__item:nth-child(even) {
      flex-direction: row-reverse;
    }

    .blog-list__item-point {
      width: 20px;
      height: 20px;
      background-color: var(--blog-list__primary-color);
      border-radius: 50%;
      position: absolute;
      left: 50%;
      top: var(--blog-list__spacing-medium);
      transform: translateX(-50%);
      z-index: 1;
      border: 3px solid var(--blog-list__background-dark);
    }

    .blog-list__content-wrapper {
      width: calc(50% - var(--blog-list__spacing-large));
      padding: var(--blog-list__spacing-medium);
      background-color: var(--blog-list__background-light);
      border-radius: var(--blog-list__card-border-radius);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      position: relative;
      border: 1px solid var(--blog-list__border-color);
    }

    .blog-list__content-wrapper:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
    }

    .blog-list__item:nth-child(odd) .blog-list__content-wrapper {
      margin-right: var(--blog-list__spacing-large);
      text-align: right;
    }

    .blog-list__item:nth-child(even) .blog-list__content-wrapper {
      margin-left: var(--blog-list__spacing-large);
      text-align: left;
    }

    .blog-list__item:nth-child(odd) .blog-list__content-wrapper::after {
      content: '';
      position: absolute;
      top: 25px;
      left: -15px;
      border-style: solid;
      border-width: 10px 15px 10px 0;
      border-color: transparent var(--blog-list__background-light) transparent transparent;
    }

    .blog-list__item:nth-child(even) .blog-list__content-wrapper::after {
      content: '';
      position: absolute;
      top: 25px;
      right: -15px;
      border-style: solid;
      border-width: 10px 0 10px 15px;
      border-color: transparent transparent transparent var(--blog-list__background-light);
    }

    .blog-list__cover-image {
      width: 100%;
      padding-top: 56.25%;
      background-size: cover;
      background-position: center;
      border-radius: calc(var(--blog-list__card-border-radius) - 2px);
      margin-bottom: var(--blog-list__spacing-medium);
      overflow: hidden;
      display: block;
    }

    .blog-list__title-link {
      font-size: 1.25em;
      font-weight: bold;
      margin-bottom: 10px;
      display: block;
      color: var(--blog-list__dark-text);
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .blog-list__title-link:hover {
      color: var(--blog-list__primary-color);
    }

    .blog-list__summary {
      font-size: 0.9em;
      color: var(--blog-list__medium-text);
      margin-bottom: 15px;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
      height: 3.6em;
    }

    .blog-list__date {
      font-size: 0.8em;
      color: var(--blog-list__light-text);
      display: block;
      margin-bottom: 15px;
    }

    .blog-list__read-more {
      display: inline-block;
      background-color: var(--blog-list__primary-color);
      color: var(--blog-list__background-light);
      padding: 10px 18px;
      border-radius: 5px;
      text-decoration: none;
      font-size: 0.9em;
      font-weight: bold;
      transition: background-color 0.3s ease;
      min-width: 120px;
      text-align: center;
    }

    .blog-list__read-more:hover {
      background-color: #e6a220;
    }

    @media (max-width: 768px) {
      .blog-list__title {
        font-size: 2em;
      }

      .blog-list__timeline::before {
        left: var(--blog-list__spacing-medium);
        margin-left: 0;
      }

      .blog-list__item {
        flex-direction: column;
        align-items: flex-start;
      }

      .blog-list__item:nth-child(even) {
        flex-direction: column;
      }

      .blog-list__item-point {
        left: var(--blog-list__spacing-medium);
        transform: translateX(-50%);
        top: 0;
      }

      .blog-list__content-wrapper {
        width: calc(100% - var(--blog-list__spacing-large) - 20px);
        margin-left: calc(var(--blog-list__spacing-large) + 20px);
        text-align: left;
        padding: var(--blog-list__spacing-medium);
        box-sizing: border-box;
      }

      .blog-list__item:nth-child(odd) .blog-list__content-wrapper {
        margin-right: 0;
      }

      .blog-list__item:nth-child(odd) .blog-list__content-wrapper::after,
      .blog-list__item:nth-child(even) .blog-list__content-wrapper::after {
        left: -15px;
        right: auto;
        border-width: 10px 15px 10px 0;
        border-color: transparent var(--blog-list__background-light) transparent transparent;
      }

      .blog-list__cover-image {
        margin-bottom: var(--blog-list__spacing-medium);
      }
    }

    @media (max-width: 480px) {
      .blog-list__title {
        font-size: 1.8em;
      }

      .blog-list__content-wrapper {
        padding: var(--blog-list__spacing-medium) calc(var(--blog-list__spacing-medium) / 2);
      }

      .blog-list__read-more {
        width: 100%;
        box-sizing: border-box;
        text-align: center;
      }
    }