.page-hero-wrap {
  padding: 36px 0 0;
  background: linear-gradient(180deg, rgba(239,232,220,0.40), rgba(248,245,239,0.08));
}
.page-hero {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 34px;
  align-items: stretch;
  padding-bottom: 20px;
}
.page-hero-visual {
  overflow: hidden;
  min-height: 420px;
  position: relative;
}
.page-hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.05), rgba(248,245,239,0.18));
}
.page-hero-panel {
  padding: 32px 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 22px;
}
.page-hero-panel h1 {
  font-size: clamp(36px, 4vw, 62px);
  line-height: 1.12;
  letter-spacing: 0.04em;
  margin: 0 0 10px;
}
.page-hero-panel p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}
.hero-links {
  display: grid;
  gap: 10px;
}
.hero-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 52px;
  padding: 0 18px;
  border: 1px solid rgba(138,106,61,0.14);
  border-radius: 14px;
  background: rgba(255,255,255,0.64);
  transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease;
  font-size: 14px;
}
.hero-links a:hover {
  transform: translateY(-1px);
  background: rgba(255,255,255,0.92);
  border-color: rgba(138,106,61,0.24);
}
.hero-links a::after {
  content: "→";
  font-size: 14px;
  color: rgba(138,106,61,0.9);
}
.subnav-wrap {
  padding-bottom: 10px;
}
.subnav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: center;
  font-size: 14px;
  color: rgba(44,36,28,0.75);
}
.section-tight {
  padding-top: 24px;
  padding-bottom: 36px;
}
.about-feature {
  display: grid;
  grid-template-columns: 1.5fr 0.85fr;
  gap: 26px;
  padding: 26px;
  margin-bottom: 18px;
  align-items: stretch;
}
.about-copy h3 {
  font-size: 30px;
  margin-bottom: 14px;
  line-height: 1.2;
}
.about-copy p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 14px;
}
.about-photo img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 16px;
  margin-bottom: 10px;
}
.about-photo p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}
.movie-inline {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 18px;
  padding: 16px 18px;
  align-items: center;
  margin-bottom: 18px;
}
.movie-inline h3 {
  font-size: 20px;
  margin: 0 0 8px;
}
.movie-inline p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}
.movie-frame {
  width: 100%;
  max-width: 420px;
  margin-left: auto;
  overflow: hidden;
  border-radius: 14px;
  background: #ddd;
}
.movie-frame iframe {
  width: 100%;
  border: 0;
  display: block;
}
.photo-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.photo-grid-6 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.photo-card {
  overflow: hidden;
  aspect-ratio: 4 / 3;
}
.photo-card img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}
.gallery-card { cursor: pointer; }
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.work-card {
  overflow: hidden;
}
.work-media {
  height: 320px;
  background: linear-gradient(180deg, #f7f3eb 0%, #f1ece3 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  border-bottom: 1px solid rgba(138,106,61,0.08);
}
.work-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  transition: transform 0.7s ease;
}
.work-card:hover .work-media img { transform: scale(1.02); }
.work-body {
  padding: 14px 16px 15px;
  background: rgba(255,255,255,0.98);
  min-height: 88px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.work-body strong {
  display: block;
  font-size: 15px;
  line-height: 1.45;
  margin-bottom: 4px;
  color: #2f261e;
}
.work-body span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
  display: block;
}
.visit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-bottom: 24px;
}
.info-card {
  padding: 22px 20px;
  min-height: 160px;
}
.info-card small {
  display: block;
  margin-bottom: 10px;
  font-size: 11px;
  letter-spacing: 0.20em;
  color: rgba(138,106,61,0.82);
}
.info-card strong {
  display: block;
  font-size: 24px;
  line-height: 1.28;
  margin-bottom: 8px;
}
.info-card span {
  display: block;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}
.visit-lower {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 24px;
  align-items: stretch;
}
.detail-card,
.access-card,
.download-main {
  padding: 26px 24px;
}
.detail-card h3,
.access-card h3,
.download-main h3 {
  font-size: 28px;
  margin: 0 0 16px;
}
.detail-card.has-bag {
  padding-bottom: 0;
  overflow: hidden;
}
.detail-card.has-bag .content-inner {
  padding: 26px 24px 0;
}
.detail-card.has-bag .simple-list {
  margin-bottom: 0;
}
.detail-card.has-bag .bag-media {
  margin-top: 16px;
  margin-left: -24px;
  margin-right: -24px;
  margin-bottom: 0;
  border-top: 1px solid rgba(138,106,61,0.10);
}
.detail-card.has-bag .bag-media img {
  width: 100%;
  display: block;
}
.simple-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.simple-list li {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  color: var(--muted);
}
.simple-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.guide-list {
  display: grid;
  gap: 12px;
  margin: 0;
}
.guide-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 12px;
  align-items: start;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.guide-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.guide-row dt {
  margin: 0;
  font-weight: 700;
  color: var(--text);
  font-size: 14px;
}
.guide-row dd {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}
.access-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}
.access-map {
  overflow: hidden;
  border-radius: 18px;
  margin-top: 18px;
  border: 1px solid rgba(138,106,61,0.10);
}
.access-map iframe {
  width: 100%;
  height: 360px;
  border: 0;
  display: block;
}
.download-intro {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 14px;
}
.download-main-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.download-item {
  display: block;
  border: 1px solid rgba(138,106,61,0.12);
  border-radius: 16px;
  background: rgba(255,255,255,0.84);
  overflow: hidden;
}
.download-thumb {
  aspect-ratio: 4 / 3;
  background: linear-gradient(180deg, #faf7f1 0%, #f1eadf 100%);
  border-bottom: 1px solid rgba(138,106,61,0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
}
.download-thumb::before {
  content: "PDF";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 88px;
  border-radius: 10px;
  background: linear-gradient(180deg, #fff 0%, #f6efe4 100%);
  border: 1px solid rgba(138,106,61,0.16);
  font-size: 20px;
  font-weight: 700;
  color: var(--accent-dark);
  letter-spacing: 0.08em;
  box-shadow: 0 8px 18px rgba(70, 52, 31, 0.08);
}
.download-body {
  padding: 10px 10px 12px;
}
.download-body strong {
  display: block;
  font-size: 13px;
  line-height: 1.5;
  margin-bottom: 4px;
}
.download-body span {
  display: block;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.5;
}
.publication-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin: 10px 0 16px;
}
.publication-head p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}
.publication-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}
.publication-card {
  display: block;
  padding: 0;
  border-radius: 14px;
  overflow: hidden;
  cursor: pointer;
}
.publication-card img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  display: block;
  background: #f3ede2;
}
.publication-card--article img {
  object-fit: contain;
  padding: 6px;
  background: #e9e2d6;
}
.publication-card p {
  margin: 0;
  padding: 8px 10px 10px;
  font-size: 11px;
  line-height: 1.4;
  color: var(--text);
  background: rgba(255,255,255,0.92);
}
.publication-head--spaced {
  margin-top: clamp(38px, 5vw, 58px);
}
.lightbox,
.gallery-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(20, 16, 12, 0.88);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}
.lightbox.is-open,
.gallery-lightbox.is-open {
  opacity: 1;
  visibility: visible;
}
.lightbox-inner,
.gallery-lightbox-inner {
  position: relative;
  width: min(92vw, 1100px);
  max-height: 90vh;
  display: grid;
  grid-template-columns: 56px 1fr 56px;
  align-items: center;
  gap: 12px;
}
.lightbox-stage,
.gallery-lightbox-stage {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  overflow: hidden;
}
.lightbox-stage {
  cursor: grab;
}
.lightbox-stage.is-zoomed { cursor: grab; }
.lightbox-stage.is-dragging { cursor: grabbing; }
.lightbox-stage img,
.gallery-lightbox-stage img,
#lightboxImage,
#galleryLightboxImage {
  max-width: 100%;
  max-height: 82vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 10px;
  box-shadow: 0 18px 40px rgba(0,0,0,0.35);
  background: #fff;
}
#lightboxImage {
  transform-origin: center center;
  transition: transform 0.18s ease;
  user-select: none;
  -webkit-user-drag: none;
  cursor: inherit;
}
.lightbox-btn,
.lightbox-close,
.gallery-lightbox-btn,
.gallery-lightbox-close {
  border: 0;
  cursor: pointer;
  background: rgba(255,255,255,0.12);
  color: #fff;
  border-radius: 999px;
  transition: background 0.2s ease, transform 0.2s ease;
}
.lightbox-btn,
.gallery-lightbox-btn {
  width: 56px;
  height: 56px;
  font-size: 28px;
  line-height: 1;
}
.lightbox-close,
.gallery-lightbox-close {
  position: absolute;
  top: -10px;
  right: -10px;
  width: 42px;
  height: 42px;
  font-size: 22px;
  z-index: 2;
}
.lightbox-btn:hover,
.lightbox-close:hover,
.gallery-lightbox-btn:hover,
.gallery-lightbox-close:hover {
  background: rgba(255,255,255,0.22);
  transform: translateY(-1px);
}
.lightbox-caption,
.gallery-lightbox-caption {
  margin-top: 10px;
  text-align: center;
  color: rgba(255,255,255,0.88);
  font-size: 13px;
}
#exhibition,
#visit,
#downloads {
  scroll-margin-top: 100px;
}
@media (max-width: 1180px) {
  .publication-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}
@media (max-width: 1080px) {
  .page-hero,
  .works-grid,
  .footer-grid,
  .visit-grid,
  .visit-lower,
  .download-main-grid,
  .about-feature,
  .movie-inline {
    grid-template-columns: 1fr;
  }
  .page-hero-visual { min-height: 320px; }
  .movie-frame {
    max-width: 100%;
    margin-left: 0;
  }
}
@media (max-width: 860px) {
  .section {
    padding: 46px 0 56px;
  }
  .section-tight {
    padding-top: 28px;
    padding-bottom: 40px;
  }
  .section-head {
    display: block;
    margin-bottom: 16px;
  }
  .section-head p { margin-top: 10px; }
  .publication-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .photo-grid-6 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
  .lightbox-inner,
  .gallery-lightbox-inner {
    grid-template-columns: 44px 1fr 44px;
  }
  .lightbox-btn,
  .gallery-lightbox-btn {
    width: 44px;
    height: 44px;
    font-size: 24px;
  }
}
@media (max-width: 640px) {
  .page-hero-wrap { padding-top: 24px; }
  .page-hero {
    gap: 18px;
    padding-bottom: 18px;
  }
  .page-hero-visual { min-height: 220px; }
  .page-hero-panel,
  .about-feature,
  .movie-inline,
  .detail-card,
  .download-main,
  .access-card,
  .info-card { padding: 20px 16px; }
  .page-hero-panel h1 { font-size: 38px; }
  .guide-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .work-media { min-height: 300px; }
  .subnav { justify-content: flex-start; }
  .access-map iframe { height: 300px; }
  .detail-card.has-bag .content-inner { padding: 20px 16px 0; }
  .detail-card.has-bag .bag-media {
    margin-left: -16px;
    margin-right: -16px;
  }
  .publication-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .photo-grid-2 {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .lightbox,
  .gallery-lightbox { padding: 12px; }
  .lightbox-inner,
  .gallery-lightbox-inner { gap: 8px; }
}

/* ------------------------------------------------------------
   guide.html 専用追加スタイル
   - HTML内の<style>から外部CSSへ移動
   - body.page-guide 配下に限定し、他ページへの影響を防止
------------------------------------------------------------ */
.page-guide .download-thumb {
  position: relative;
  overflow: hidden;
  background: none !important;
}
.page-guide .download-thumb::before,
.page-guide .download-thumb::after,
.page-guide .download-thumb > span,
.page-guide .download-thumb > i {
  display: none !important;
  content: none !important;
}
.page-guide .download-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 2;
}
.page-guide .guide-explore-block {
  margin-top: clamp(40px, 6vw, 72px);
}
.page-guide .guide-explore-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 20px);
  margin-top: clamp(18px, 2vw, 26px);
}
.page-guide .guide-explore-grid a {
  display: block;
  padding: 20px 22px;
  border: 1px solid rgba(72, 55, 38, .12);
  border-radius: 16px;
  background: rgba(255, 255, 255, .78);
  color: inherit;
  text-decoration: none;
  box-shadow: 0 10px 28px rgba(50, 36, 20, .05);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.page-guide .guide-explore-grid a:hover {
  transform: translateY(-2px);
  border-color: rgba(72, 55, 38, .22);
  box-shadow: 0 16px 34px rgba(50, 36, 20, .08);
}
.page-guide .guide-visit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(24px, 3vw, 36px);
  align-items: stretch;
}
.page-guide .guide-visit-box {
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, .86);
  border: 1px solid rgba(72, 55, 38, .1);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 18px 45px rgba(50, 36, 20, .07);
}
.page-guide .guide-visit-box h3 {
  margin: 0;
  padding: 26px 28px 10px;
  font-size: clamp(1.2rem, 2vw, 1.55rem);
}
.page-guide .guide-visit-info {
  margin: 0;
  padding: 0 28px 22px;
}
.page-guide .guide-visit-info > div {
  display: grid;
  grid-template-columns: 8.5em 1fr;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(72, 55, 38, .12);
}
.page-guide .guide-visit-info > div:last-child {
  border-bottom: 0;
}
.page-guide .guide-visit-info dt {
  font-weight: 700;
  color: #3d3128;
}
.page-guide .guide-visit-info dd {
  margin: 0;
  line-height: 1.85;
  color: #5f554d;
}
.page-guide .guide-visit-media {
  margin-top: auto;
  padding: 0 28px 28px;
}
.page-guide .guide-visit-media img,
.page-guide .guide-visit-map iframe {
  display: block;
  width: 100%;
  border: 0;
  border-radius: 18px;
  overflow: hidden;
}
.page-guide .guide-visit-media img {
  height: 330px;
  object-fit: contain;
  background: #fff;
  border: 1px solid rgba(72, 55, 38, .08);
}
.page-guide .guide-visit-box .access-links {
  padding: 0 28px 22px;
  margin-top: 0;
}
.page-guide .guide-visit-map {
  margin-top: 14px;
  padding: 0 28px 28px;
  flex: 1;
  display: flex;
  min-height: 430px;
}
.page-guide .guide-visit-map iframe {
  height: auto;
  min-height: 430px;
  flex: 1;
}
@media (max-width: 900px) {
  .page-guide .guide-explore-grid,
  .page-guide .guide-visit-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 560px) {
  .page-guide .guide-visit-info > div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .page-guide .guide-visit-box h3,
  .page-guide .guide-visit-info,
  .page-guide .guide-visit-media,
  .page-guide .guide-visit-map,
  .page-guide .guide-visit-box .access-links {
    padding-left: 20px;
    padding-right: 20px;
  }
  .page-guide .guide-visit-media img,
  .page-guide .guide-visit-map iframe {
    min-height: 300px;
  }
  .page-guide .guide-visit-map {
    min-height: 300px;
  }
}

/* スマホ時の刊行物見出し調整 */
@media (max-width: 640px) {
  .page-guide .publication-head {
    display: block;
    margin: 14px 0 14px;
  }

  .page-guide .publication-head h3 {
    margin: 0 0 8px;
    line-height: 1.35;
    word-break: keep-all;
  }

  .page-guide .publication-head p {
    margin: 0;
    line-height: 1.8;
  }
}

/* スマホで刊行物ライトボックス操作を安定させる補助 */
.page-guide .lightbox-stage,
.page-guide #lightboxImage {
  touch-action: none;
}

.page-guide .lightbox.is-open {
  overscroll-behavior: contain;
}

/* 見学順路図サムネイル：カード高さは揃えたまま、画像全体を表示 */
.page-guide .download-item--route-map .download-thumb {
  aspect-ratio: 4 / 3;
  padding: 12px;
  background: #fff !important;
}

.page-guide .download-item--route-map .download-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
}