/* Approved reading density for published activity stories. */
.detail-reading .detail-main { padding-top: 24px; }
.detail-reading .detail-hero { padding-top: 0; }
.detail-reading .back-link { min-height: 32px; align-items: center; font-size: 14px; }
.detail-reading .detail-title { grid-template-columns: minmax(0,1fr); gap: 16px; margin-top: 20px; }
.detail-reading .detail-title h1 { max-width: none; font-size: clamp(40px,4vw,52px); line-height: 1.2; text-wrap: balance; }
.detail-reading .detail-title .detail-city-label { margin: 0 0 8px; font-size: 14px; font-weight: 700; color: var(--blue-dark); }
.detail-reading .detail-title p { max-width: 65ch; margin-top: 14px; }
.detail-reading .detail-title dl { flex-wrap: wrap; gap: 12px 24px; font-size: 14px; }
.detail-reading .detail-title dl div { display: flex; align-items: baseline; gap: 8px; min-width: 0; }
.detail-reading .detail-title dd { margin: 0; font-weight: 600; }
.detail-reading .detail-reading-nav { display: flex; flex-wrap: wrap; gap: 4px 28px; margin-top: 16px; border-bottom: 1px solid var(--line); }
.detail-reading .detail-reading-nav a { display: inline-flex; align-items: center; min-height: 44px; color: var(--blue-dark); font-size: 14px; font-weight: 650; }
.detail-reading .detail-reading-nav a:hover { text-decoration: underline; text-underline-offset: 5px; }
.detail-reading .detail-cover { margin-top: 24px; box-shadow: none; }
.detail-reading section[id] { scroll-margin-top: 24px; }
.detail-reading .detail-story { display: block; padding: 56px 0 32px; }
.detail-reading .detail-story aside { margin-bottom: 12px; font-size: 13px; }
.detail-reading .detail-story article { max-width: 760px; }
.detail-reading .detail-story article p { margin-top: 14px; line-height: 1.85; }
.detail-reading :is(.detail-story h2,.detail-film h2,.diary-heading h2,.section-heading h2) { font-size: 30px; line-height: 1.3; }
.detail-reading .detail-film { padding: 32px 0; gap: 40px; }
.detail-reading .detail-film > div p { margin-top: 16px; line-height: 1.85; }
.detail-reading .film-meta { margin-top: 14px; line-height: 1.7; }
.detail-reading .detail-diary { padding: 32px 0; }
.detail-reading .diary-heading { gap: 32px; }
.detail-reading .diary-heading h2 { max-width: none; }
.detail-reading .diary-video-grid { margin-top: 24px; }
.detail-reading .diary-video.portrait { grid-template-columns: minmax(200px,260px) 1fr; padding: 20px; }
.detail-reading .diary-video.portrait figcaption { padding: 0 16px 0 28px; }
.detail-reading .diary-video.portrait h3 { font-size: 27px; }
.detail-reading :is(.film-player,.diary-video,.diary-video-player) { box-shadow: 0 8px 24px -14px rgba(18,50,82,.2); }
.detail-reading .detail-gallery { padding-top: 32px; padding-bottom: 32px; border-top: 1px solid var(--line); }
.detail-reading .photo-chapter { padding-top: 32px; }
.detail-reading .photo-chapter + .photo-chapter { margin-top: 32px; }
.detail-reading .photo-chapter-heading { margin-bottom: 24px; gap: 32px; }
.detail-reading .photo-chapter-heading h3 { font-size: 28px; }
.detail-reading .related-section { padding-top: 32px; padding-bottom: 56px; border-top: 1px solid var(--line); }
.detail-reading .related-links { margin-top: 24px; }
@media (max-width: 900px) {
  .detail-reading .diary-heading,.detail-reading .photo-chapter-heading { gap: 12px; }
}
@media (max-width: 600px) {
  .detail-reading .detail-main { padding-top: 16px; }
  .detail-reading .detail-title { margin-top: 16px; gap: 12px; }
  .detail-reading .detail-title h1 { font-size: 32px; line-height: 1.25; }
  .detail-reading .detail-title dl { gap: 8px 16px; font-size: 13px; }
  .detail-reading .detail-reading-nav { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0,1fr); gap: 0 8px; margin-top: 12px; }
  .detail-reading .detail-reading-nav a { font-size: 13px; justify-content: center; }
  .detail-reading .detail-cover { margin-top: 18px; }
  .detail-reading .detail-story { padding: 36px 0 20px; }
  .detail-reading :is(.detail-story h2,.detail-film h2,.diary-heading h2,.section-heading h2) { font-size: 25px; }
  .detail-reading .detail-film { padding: 20px 0; gap: 20px; }
  .detail-reading .detail-diary { padding: 20px 0; }
  .detail-reading .diary-video-grid { margin-top: 20px; }
  .detail-reading .diary-video.portrait { grid-template-columns: 1fr; padding: 16px; }
  .detail-reading .diary-video.portrait .diary-video-player { max-width: 260px; }
  .detail-reading .diary-video.portrait figcaption { padding: 18px 0 0; }
  .detail-reading .diary-video.portrait h3 { font-size: 23px; }
  .detail-reading .detail-gallery { padding-top: 20px; padding-bottom: 20px; }
  .detail-reading .photo-chapter { padding-top: 20px; }
  .detail-reading .photo-chapter + .photo-chapter { margin-top: 24px; }
  .detail-reading .photo-chapter-heading { margin-bottom: 18px; }
  .detail-reading .photo-chapter-heading h3 { font-size: 24px; }
  .detail-reading .related-section { padding-top: 24px; padding-bottom: 40px; }
}
@media (max-width: 360px) {
  .detail-reading .detail-reading-nav:has(a:nth-child(5)) { grid-auto-flow: row; grid-template-columns: repeat(3,minmax(0,1fr)); }
}
@media (prefers-reduced-motion: reduce) {
  html:has(.detail-reading) { scroll-behavior: auto; }
}