@charset "UTF-8";

:root {
  --contents-no-color: rgba(6, 172, 93, 1);
  --select-contents-border-color: var(--border-color-gray);
  --content-border-color: rgba(6, 172, 93, 1);
  --content-plan-color: rgba(255, 255, 255, 1);
  --writer-info-border-color: var(--border-color-gray);

  --bg-top-color: rgba(230, 230, 230, 1);
  --bg-bottom-color: rgba(248, 245, 245, 1);
}

body {
  --color-change-height: 24rem;
  background: linear-gradient(
    var(--bg-top-color) var(--color-change-height),
    var(--bg-bottom-color) var(--color-change-height)
  );
}

.title {
  justify-content: start;
  display: flex;
  letter-spacing: 2.28px;
  gap: 16px;
  margin: var(--spacing-xl) 0 var(--spacing-md) 0;
}

.section {
  padding: var(--spacing-xl) 0 var(--spacing-xl) 0;
}

.section-header {
  display: flex;
  flex-direction: column;
  align-items: start;
}

.article {
  margin: 0 auto;
  max-width: var(--container-max-width);

  .content-no {
    display: inline-block;
    color: var(--contents-no-color);
  }

  .content-video {
    display: flex;
    justify-content: center;
    width: 100%;
    background-color: var(--content-plan-color);
    margin-bottom: var(--spacing-sm);
  }

  .video-youtube-shorts {
    max-width: 357px;
    aspect-ratio: 9 / 16;
  }

  .content-video iframe {
    width: 100%;
    height: 100%;
  }

  .article-img,
  .content-img {
    display: flex;
    justify-content: center;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
  }

  .article-img {
    border-radius: 8px;
  }

  .article-img img {
    width: 100%;
  }

  .content-img img {
    width: 100%;
  }

  @media screen and (max-width: 480px) {
    .article-img {
      height: 50vh;
    }

    .content-img {
      width: 100%;
      aspect-ratio: 1 / 1;
    }

    .article-img img,
    .content-img img {
      height: 100%;
      width: auto;
    }

    .content-img img {
      --sp-adjust: 0px;
      margin-left: var(--sp-adjust);
    }
  }

  .select-contents {
    justify-content: space-between;
    display: flex;
    align-items: start;
    flex-wrap: wrap;
    margin: 0 auto 2rem;

    .select-contents-title,
    .contents-list {
      width: calc(50% - (var(--spacing-lg) / 2));
    }

    .contents-list {
      ul {
        margin: 0;
        padding: 0;
        list-style: none;
      }

      ul > li {
        margin-top: var(--spacing-md);

        .content-no {
          width: 3em;
        }
      }

      ul > li:first-child {
        margin-top: 0;
      }
    }

    .select-contents-title {
      display: flex;
      align-items: center;
      gap: var(--spacing-md);
      margin-bottom: var(--spacing-md);

      .bar {
        flex: 1;
        height: 2px;
        background-color: var(--select-contents-border-color);
        margin-left: 1rem;
        margin-right: 10%;
      }
    }
  }

  @media screen and (max-width: 480px) {
    .section-header .title {
      display: block;
    }

    .select-contents {
      display: block;
      padding: var(--spacing-lg) 0;

      .select-contents-title {
        width: 100%;

        .bar {
          margin-right: 0;
        }
      }

      .contents-list {
        width: 100%;
      }
    }
  }

  .article-detail {
    margin: var(--spacing-md);
  }

  .content {
    margin: 3rem 0;

    .content-header {
      display: flex;
      align-items: center;
      gap: var(--spacing-sm);

      .bar {
        height: 4px;
        width: 6rem;
        background-color: var(--contents-no-color);
        margin-left: 1rem;
        margin-right: 10%;
      }
    }

    .content-title {
      margin: var(--spacing-sm) 0 var(--spacing-md) 0;
    }

    ul {
      padding-left: 1.5rem;
    }
  }

  .inner-content {
    margin: 1.5rem 0;

    .content-title {
      border-left: 4px solid var(--content-border-color);
      padding-left: 0.75em;
      margin: var(--spacing-sm) 0 var(--spacing-md) 0;
    }
  }

  .jumbotron {
    background-color: var(--content-plan-color);
    border-radius: 4px;
    margin: var(--spacing-md) 0;
    padding: var(--spacing-lg);

    .jumbotron-header {
      display: flex;

      .jumbotron-labels {
        flex: 1;
        display: block;
      }

      .jumbotron-title {
        flex: 1;
      }

      .button-link {
        width: 4rem;
        height: 1.5rem;
      }

      .article-link {
        width: 6.5rem;
      }

      .model-course-link {
        width: 10.5rem;
      }
    }
  }
}

.article .article-release-info {
  margin-bottom: var(--spacing-sm);
}

.article .article-release-info span {
  margin-right: var(--spacing-sm);
}

.article .article-release-info span:last-child {
  margin-right: 0;
}

.writer-info {
  display: block;

  .writer-header {
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);

    .bar {
      flex: 1;
      height: 2px;
      background-color: var(--writer-info-border-color);
    }

    .title {
      margin: 0 1rem;
    }
  }

  .writer-detail {
    display: flex;
    padding: var(--spacing-lg);
    gap: var(--spacing-md);
    border-bottom: 2px solid var(--writer-info-border-color);

    .writer-img {
      max-width: 120px;

      img {
        width: 100%;
        border-radius: 50%;
      }
    }

    .writer-profile {
      flex: 1;
    }
  }

  @media screen and (max-width: 480px) {
    .writer-detail {
      display: block;
      padding: var(--spacing-lg) var(--spacing-sm);

      .writer-img {
        margin: 0 auto var(--spacing-md) auto;
      }
    }
  }
}