/* 記事ページ共通 */
.article-hero {
  padding: 58px 0 52px;
  background: var(--paper-warm);
  border-bottom: 1px solid var(--line);
}

.article-hero .breadcrumb { color: var(--muted); }
.article-hero .breadcrumb a { color: var(--green-800); }
.article-hero .article-meta { display: flex; gap: 12px; align-items: center; margin: 24px 0 18px; }
.article-hero time { color: var(--muted); font-size: 0.8rem; }
.article-hero h1 {
  max-width: 900px;
  margin: 0;
  color: var(--green-900);
  font-size: clamp(2rem, 5vw, 3.8rem);
  line-height: 1.35;
  letter-spacing: 0.025em;
}
.article-summary { max-width: 760px; margin: 22px 0 0; color: var(--muted); font-size: 1rem; }
.article-layout { display: grid; grid-template-columns: minmax(0, 760px) 220px; gap: 70px; align-items: start; padding-block: 70px 100px; }
.article-content { font-size: 1rem; line-height: 2; }
.article-content .lead { margin: 0 0 42px; color: var(--green-900); font-size: 1.12rem; font-weight: 650; }
.article-content h2 { margin: 58px 0 18px; padding-bottom: 12px; color: var(--green-900); border-bottom: 2px solid var(--green-100); font-size: 1.55rem; line-height: 1.5; }
.article-content p { margin: 0 0 24px; }
.article-message { margin-top: 54px; padding: 32px; background: var(--paper-warm); border-left: 5px solid var(--orange); border-radius: 0 var(--radius-medium) var(--radius-medium) 0; }
.article-message p:last-child { margin-bottom: 0; }
.article-photo {
  margin: 32px 0 34px;
}
.article-photo img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-medium);
  box-shadow: var(--shadow);
}
.article-photo figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.7;
}
.article-photo-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin: 32px 0 38px;
}
.article-photo-grid .article-photo { margin: 0; }
.article-photo-narrow { max-width: 560px; margin-inline: auto; }
.article-toc {
  margin: 36px 0 44px;
  padding: 26px 28px;
  background: var(--green-100);
  border-radius: var(--radius-medium);
}
.article-toc strong { display: block; margin-bottom: 10px; color: var(--green-900); }
.article-toc ol { margin: 0; padding-left: 1.35em; }
.article-toc li { margin: 5px 0; }
.article-toc a { color: var(--green-800); text-decoration: underline; text-underline-offset: 3px; }
.status-note {
  margin: 28px 0;
  padding: 22px 24px;
  background: var(--paper-warm);
  border: 1px solid var(--line);
  border-left: 5px solid var(--green-800);
  border-radius: 0 var(--radius-medium) var(--radius-medium) 0;
}
.status-note-warning { border-left-color: var(--orange); }
.status-note p:last-child { margin-bottom: 0; }
.photo-placeholder {
  margin: 32px 0 34px;
}
.photo-placeholder-inner {
  display: grid;
  min-height: 360px;
  padding: 42px 24px;
  place-content: center;
  place-items: center;
  color: var(--green-900);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.82), rgba(231, 240, 232, 0.92)),
    repeating-linear-gradient(45deg, transparent 0 18px, rgba(24, 92, 67, 0.05) 18px 19px);
  border: 2px dashed rgba(24, 92, 67, 0.32);
  border-radius: var(--radius-medium);
  text-align: center;
}
.photo-placeholder-label {
  margin-bottom: 12px;
  color: var(--orange);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}
.photo-placeholder strong {
  font-size: 1.25rem;
}
.photo-placeholder small {
  margin-top: 7px;
  color: var(--muted);
  font-size: 0.78rem;
}
.photo-placeholder figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.7;
}
.article-side { position: sticky; top: 110px; padding: 24px; background: var(--green-100); border-radius: var(--radius-medium); }
.article-side strong { display: block; margin-bottom: 12px; color: var(--green-900); }
.article-side p { margin: 0; color: var(--muted); font-size: 0.82rem; }
.article-footer-nav { margin-top: 54px; padding-top: 28px; border-top: 1px solid var(--line); }
.articles-list { padding-block: 70px 100px; }
.articles-list .article-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 32px; }

.fact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 38px 0 48px;
}

.fact-card {
  padding: 22px 24px;
  background: var(--paper-warm);
  border: 1px solid var(--line);
  border-radius: var(--radius-medium);
}

.fact-card small {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 0.72rem;
}

.fact-card strong {
  color: var(--green-900);
  font-size: 1.08rem;
}

.access-map {
  margin: 28px 0 42px;
  overflow: hidden;
  background: var(--paper-warm);
  border: 1px solid var(--line);
  border-radius: var(--radius-medium);
  box-shadow: var(--shadow);
}

.access-map iframe {
  display: block;
  width: 100%;
  height: 360px;
  border: 0;
}

.access-map-info {
  display: flex;
  gap: 20px;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
}

.access-map-info p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.7;
}

.access-map-link {
  flex: 0 0 auto;
  color: var(--green-800);
  font-size: 0.86rem;
  font-weight: 750;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.source-list {
  margin: 18px 0 0;
  padding-left: 1.3em;
  color: var(--muted);
  font-size: 0.82rem;
}

.source-list li {
  margin-bottom: 8px;
}

.source-list a {
  color: var(--green-800);
  text-decoration: underline;
  text-underline-offset: 3px;
}
@media (max-width: 800px) {
  .article-hero { padding: 42px 0 40px; }
  .article-layout { grid-template-columns: 1fr; gap: 40px; padding-block: 50px 75px; }
  .article-side { position: static; }
  .article-content h2 { margin-top: 45px; }
  .article-message { padding: 25px 22px; }
  .photo-placeholder-inner { min-height: 250px; padding: 32px 18px; }
  .access-map iframe { height: 280px; }
  .access-map-info { display: block; padding: 18px 20px 20px; }
  .access-map-link { display: inline-block; margin-top: 12px; }
  .articles-list .article-grid,
  .fact-grid,
  .article-photo-grid { grid-template-columns: 1fr; }
  .article-toc { padding: 22px 20px; }
}