.up-d_article-detail {
  width: calc(100% - 48px);
  max-width: 1120px;
  margin: 40px auto 96px;
  box-sizing: border-box;
}

.up-d_article-detail > img {
  display: block;
  width: 100%;
  max-width: 632px;
  height: auto;
  margin: 0 auto;
}

.up-d_article-detail-title,
.up-d_article-detail-published-date,
.up-d_article-detail-content,
.up-d_article-detail-related-item {
  text-align: left;
}

.up-d_article-detail-title,
.up-d_article-detail-published-date,
.up-d_article-detail-content {
  width: 100%;
  max-width: 632px;
  margin-left: auto;
  margin-right: auto;
  box-sizing: border-box;
}

.up-d_article-detail-title {
  margin: 40px auto 16px;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.5;
}

.up-d_article-detail-published-date {
  margin: 0 auto 32px;
  color: #555;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.5;
}

.up-d_article-detail-content {
  margin: 0 auto;
  font-size: 15px;
  line-height: 1.8;
}

.up-d_article-detail-content p {
  margin: 0;
}

.up-d_article-detail-content p:not(:last-child) {
  margin-bottom: 24px;
}

.up-d_article-detail-content h2,
.up-d_article-detail-content h3,
.up-d_article-detail-content h4 {
  font-weight: 700;
}

.up-d_article-detail-content h2 {
  margin: 48px 0 20px;
  font-size: 22px;
  line-height: 1.4;
}

.up-d_article-detail-content h3 {
  margin: 32px 0 16px;
  font-size: 18px;
  line-height: 1.5;
}

.up-d_article-detail-content h4 {
  margin: 24px 0 12px;
  font-size: 16px;
  line-height: 1.5;
}

.up-d_article-detail-content img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 32px auto;
}

.up-d_article-detail-related-title {
  margin: 64px 0 24px;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.4;
  text-align: left;
}

.up-d_article-detail-related-items {
  /*   --animate-duration: 1s;
        --animate-delay: 1s;
        --animate-repeat: 1; */
  /* --vh: 8.01px; */
  font-family: "Noto Sans JP", sans-serif;
  letter-spacing: 0.05em;
  color: #222;
  font-weight: 400;
  text-size-adjust: 100%;
  word-break: break-all;
  box-sizing: border-box;
  line-height: 1.7;
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  font-size: 100%;
  vertical-align: baseline;
  background: transparent;
  display: grid;
  column-gap: 32px;
  row-gap: 56px;
  grid-template-columns: repeat(4, 1fr);
}

.up-d_article-detail-related-item {
  min-width: 0;
  overflow-wrap: anywhere;
}

.up-d_article-detail-back {
  margin-top: 56px;
  text-align: center;
}

.up-d_article-detail-back-link {
  display: inline-block;
}

@media screen and (max-width: 767px) {
  .up-d_article-detail {
    width: calc(100% - 32px);
    margin: 24px auto 64px;
  }

  .up-d_article-detail-title {
    margin: 24px auto 12px;
    font-size: 18px;
    line-height: 1.6;
  }

  .up-d_article-detail-published-date {
    margin-bottom: 24px;
    font-size: 12px;
  }

  .up-d_article-detail-content {
    font-size: 14px;
  }

  .up-d_article-detail-related-title {
    margin: 48px 0 20px;
    font-size: 18px;
  }

  .up-d_article-detail-back {
    margin-top: 40px;
  }

  .up-d_article-detail-related-items {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 16px;
    row-gap: 32px;
  }
}