/* お知らせ詳細ページ */
.news-single {
  --news-accent: #367e7b;
  --news-border: #b5d9d7;
  --news-text: #3e4545;
  padding-bottom: clamp(64px, 8vw, 112px);
  color: var(--news-text);
}

.news-single__breadcrumb {
  padding-bottom: 28px;
}

.news-single__article,
.news-single__post-navigation {
  width: min(920px, calc(100% - 48px));
  margin-inline: auto;
}

.news-single__article {
  padding: clamp(32px, 5vw, 64px) clamp(24px, 6vw, 72px);
  border-top: 4px solid var(--news-accent);
  background: #fff;
  box-sizing: border-box;
}

.news-single__header {
  padding-bottom: 28px;
  border-bottom: 1px solid var(--news-border);
}

.news-single__label {
  margin: 0 0 12px;
  color: var(--news-accent);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.news-single__title {
  margin: 0 0 18px;
  color: #293232;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.45;
  letter-spacing: 0.04em;
  text-align: left;
  text-shadow: none;
  overflow-wrap: anywhere;
}

.news-single__date {
  color: var(--news-accent);
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
}

.news-single__featured-image {
  margin: 40px 0 0;
}

.news-single__featured-image img {
  display: block;
  width: 100%;
  height: auto;
}

.news-single__content {
  margin-top: 40px;
  font-size: 20px;
  line-height: 1.9;
  overflow-wrap: anywhere;
}

.news-single__content > :first-child {
  margin-top: 0;
}

.news-single__content > :last-child {
  margin-bottom: 0;
}

.news-single__content h2,
.news-single__content h3,
.news-single__content h4 {
  color: #293232;
  line-height: 1.5;
}

.news-single__content h2 {
  margin: 2.25em 0 0.8em;
  padding: 0.45em 0.7em;
  border-left: 6px solid var(--news-accent);
  background: #eaf5f3;
  font-size: 1.5rem;
}

.news-single__content h3 {
  margin: 2em 0 0.7em;
  padding-bottom: 0.35em;
  border-bottom: 2px solid var(--news-border);
  font-size: 1.25rem;
}

.news-single__content a {
  color: #1e6764;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.news-single__content img {
  max-width: 100%;
  height: auto;
}

.news-single__content blockquote {
  margin-inline: 0;
  padding: 16px 20px;
  border-left: 4px solid var(--news-border);
  background: #f7fbfa;
}

.news-single__content table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
}

.news-single__content th,
.news-single__content td {
  padding: 10px 14px;
  border: 1px solid #839b99;
}

.news-single__post-navigation {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 20px;
  margin-top: 40px;
}

.news-single__post-link a,
.news-single__archive-link {
  color: #245f5c;
  font-weight: 700;
  text-decoration: none;
}

.news-single__post-link a {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
}

.news-single__post-link--next a {
  justify-content: flex-end;
  text-align: right;
}

.news-single__post-link small {
  display: block;
  margin-bottom: 2px;
  color: #526967;
  font-size: 0.75rem;
  font-weight: 500;
}

.news-single__archive-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border: 2px solid var(--news-accent);
  border-radius: 999px;
}

.news-single__archive-link:hover {
  background: #eff8f7;
}

@media (max-width: 1023px) {
  .news-single__content {
    font-size: 16px;
  }

  .news-single__breadcrumb {
    padding-bottom: 20px;
  }

  .news-single__article,
  .news-single__post-navigation {
    width: calc(100% - var(--page-gutter-sp) * 2);
  }

  .news-single__article {
    padding: 28px 20px 36px;
  }

  .news-single__featured-image,
  .news-single__content {
    margin-top: 28px;
  }

  .news-single__post-navigation {
    grid-template-columns: 1fr 1fr;
  }

  .news-single__archive-link {
    grid-column: 1 / -1;
    grid-row: 1;
    justify-self: center;
  }
}

@media (max-width: 479px) {
  .news-single__article {
    padding: 24px 16px 32px;
  }
  .news-single__post-navigation {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .news-single__archive-link {
    grid-column: auto;
    grid-row: auto;
  }
  .news-single__post-link {
    min-height: 44px;
    overflow-wrap: anywhere;
  }
}

@media (prefers-reduced-motion: reduce) {
  .news-single *,
  .news-single *::before,
  .news-single *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}