:root {
  --bg: #292929;
  --bg-deep: #202020;
  --bg-soft: #333333;
  --text: #f3f3ef;
  --muted: #a9a9a4;
  --line: #4a4a4a;
  --line-soft: #3d3d3d;
  --font-en: "Aptos", "Segoe UI", Arial, sans-serif;
  --font-ja: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", "YuGothic", "Noto Sans JP", sans-serif;
  --max: 1760px;
  --pad: clamp(18px, 3.2vw, 56px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ja);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

.skip-link {
  position: fixed;
  left: 12px;
  top: -70px;
  z-index: 999;
  background: var(--text);
  color: var(--bg-deep);
  padding: 9px 14px;
}
.skip-link:focus { top: 12px; }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  min-height: 100px;
  padding: 0 var(--pad);
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  color: var(--text);
  border-bottom: 1px solid rgba(255,255,255,.12);
  transition: background .25s ease, min-height .25s ease, backdrop-filter .25s ease;
}
.site-header.is-scrolled {
  min-height: 82px;
  background: rgba(41,41,41,.92);
  backdrop-filter: blur(12px);
}
.brand { display: inline-flex; align-items: baseline; gap: 14px; font-family: var(--font-en); }
.brand-main { font-size: 22px; font-weight: 600; letter-spacing: .055em; }
.brand--lockup { display: grid; grid-template-columns: auto auto; align-items: center; column-gap: clamp(12px, 1.3vw, 22px); font-family: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", "Noto Serif JP", serif; }
.brand-affiliation { display: grid; gap: 1px; text-align: right; }
.brand-affiliation span { font-size: clamp(11px, 1vw, 16px); font-weight: 500; line-height: 1.12; letter-spacing: .06em; white-space: nowrap; }
.brand-laboratory { font-size: clamp(20px, 2.1vw, 34px); font-weight: 500; line-height: 1; letter-spacing: .015em; white-space: nowrap; }
.brand-sub { font-size: 13px; letter-spacing: .11em; color: var(--muted); }
.global-nav { justify-self: end; display: flex; gap: clamp(24px, 2.35vw, 44px); font-family: var(--font-en); }
.global-nav a { font-size: 15px; letter-spacing: .085em; text-transform: uppercase; color: #e6e6e2; }
.global-nav a:hover { color: white; }
.menu-button { display: none; }

.hero {
  position: relative;
  min-height: 82svh;
  overflow: hidden;
  background: var(--bg-deep);
}
.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 48%;
  filter: saturate(.68) contrast(1.06) brightness(.84);
  transform: scale(1.002);
}
.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0,0,0,.64) 0%, rgba(0,0,0,.20) 53%, rgba(0,0,0,.16) 100%),
    linear-gradient(0deg, rgba(32,32,32,.64) 0%, transparent 28%, rgba(0,0,0,.06) 62%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max);
  min-height: 82svh;
  margin: auto;
  padding: 128px var(--pad) 34px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
}
.hero-kicker { margin: 0 0 28px; max-width: 980px; font-family: var(--font-en); font-size: 17px; line-height: 1.55; letter-spacing: .135em; color: #e0e0dc; text-shadow: 0 2px 18px rgba(0,0,0,.72); }
.hero h1 { margin: 0; font-family: var(--font-en); font-weight: 400; font-size: clamp(54px, 8.4vw, 142px); line-height: .91; letter-spacing: -.055em; }
.hero h1 span { display: block; }
.hero-caption { margin: 40px 0 0; max-width: 1040px; font-size: clamp(21px, 1.65vw, 30px); line-height: 1.72; letter-spacing: .015em; color: #e2e2de; }
.hero-meta {
  position: absolute;
  right: var(--pad);
  bottom: 40px;
  z-index: 3;
  margin: 0;
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: .16em;
  writing-mode: vertical-rl;
  color: rgba(255,255,255,.62);
}

.home-section { padding: clamp(86px, 9vw, 140px) var(--pad); }
.section-inner { max-width: var(--max); margin: auto; }
.section-head {
  display: grid;
  grid-template-columns: minmax(110px, .65fr) minmax(0, 3.35fr);
  gap: clamp(36px, 7vw, 120px);
  margin-bottom: 54px;
  align-items: end;
}
.section-label { margin: 0; font-family: var(--font-en); font-size: 12px; letter-spacing: .17em; color: var(--muted); }
.section-title { margin: 0; font-family: var(--font-en); font-size: clamp(52px, 6.4vw, 104px); line-height: 1; font-weight: 400; letter-spacing: -.045em; }

.news-section { background: var(--bg); }
.news-list { border-top: 1px solid var(--line); }
.news-item {
  display: grid;
  grid-template-columns: 130px 140px minmax(0, 1fr) 36px;
  gap: 24px;
  align-items: center;
  min-height: 98px;
  border-bottom: 1px solid var(--line);
  transition: background .2s ease, padding .2s ease;
}
.news-item:hover { background: rgba(255,255,255,.026); padding-left: 12px; padding-right: 12px; }
.news-date, .news-category { font-family: var(--font-en); font-size: 12px; letter-spacing: .11em; }
.news-category { color: var(--muted); }
.news-title { margin: 0; font-size: clamp(18px, 1.4vw, 23px); font-weight: 400; }
.news-arrow { justify-self: end; font-family: var(--font-en); color: var(--muted); }
.section-more { display: flex; justify-content: flex-end; margin-top: 30px; }
.text-link { padding-bottom: 4px; border-bottom: 1px solid currentColor; font-family: var(--font-en); font-size: 12px; letter-spacing: .13em; }

.contents-section { padding-top: 28px; background: var(--bg-deep); }
.contents-intro {
  display: grid;
  grid-template-columns: minmax(110px, .65fr) minmax(0, 3.35fr);
  gap: clamp(36px, 7vw, 120px);
  margin-bottom: 72px;
}
.contents-copy { max-width: 650px; margin: 0; color: var(--muted); }
.content-links { border-top: 1px solid var(--line); }
.content-link {
  position: relative;
  display: grid;
  grid-template-columns: minmax(70px, .65fr) minmax(0, 3.0fr) minmax(180px, 1fr) 50px;
  gap: clamp(20px, 4vw, 70px);
  align-items: center;
  min-height: 150px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.content-link::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--bg-soft);
  transform: translateY(100%);
  transition: transform .35s ease;
}
.content-link:hover::before { transform: translateY(0); }
.content-link > * { position: relative; z-index: 1; }
.content-index { font-family: var(--font-en); font-size: 10px; letter-spacing: .16em; color: var(--muted); }
.content-name { margin: 0; font-family: var(--font-en); font-size: clamp(40px, 4.9vw, 78px); font-weight: 400; line-height: 1; letter-spacing: -.04em; }
.content-ja { margin: 0; color: var(--muted); font-size: 13px; }
.content-arrow { justify-self: end; font-family: var(--font-en); font-size: 28px; font-weight: 200; }

.footer {
  padding: 74px var(--pad) 32px;
  background: #191919;
  border-top: 1px solid #373737;
}
.footer-inner { max-width: var(--max); margin: auto; display: grid; grid-template-columns: 1.7fr 1fr; gap: 50px; }
.footer-brand { margin: 0; font-family: var(--font-en); font-size: 22px; letter-spacing: .09em; }
.footer-copy { margin: 14px 0 0; color: #bdbdb8; font-size: 16px; }
.footer-nav { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 32px; font-family: var(--font-en); font-size: 14px; letter-spacing: .065em; color: #e0e0dc; }
.copyright { grid-column: 1 / -1; margin: 58px 0 0; padding-top: 18px; border-top: 1px solid #343434; font-family: var(--font-en); font-size: 11px; letter-spacing: .11em; color: #8a8a85; }

/* internal pages */
.page-hero { padding: 164px var(--pad) 90px; background: var(--bg-deep); border-bottom: 1px solid var(--line); }
.page-hero-inner { max-width: var(--max); margin: auto; display: grid; grid-template-columns: minmax(110px,.65fr) minmax(0,3.35fr); gap: clamp(36px,7vw,120px); }
.page-kicker { margin: 13px 0 0; font-family: var(--font-en); font-size: 10px; letter-spacing: .2em; color: var(--muted); }
.page-title { margin: 0; font-family: var(--font-en); font-size: clamp(62px, 9vw, 148px); line-height: .9; font-weight: 400; letter-spacing: -.06em; }
.page-subtitle { max-width: 680px; margin: 38px 0 0; color: var(--muted); }
.page-body { padding: clamp(82px, 9vw, 140px) var(--pad); }
.page-body-inner { max-width: var(--max); margin: auto; display: grid; grid-template-columns: minmax(110px,.65fr) minmax(0,3.35fr); gap: clamp(36px,7vw,120px); }
.placeholder-list { border-top: 1px solid var(--line); }
.placeholder-row { display: grid; grid-template-columns: 110px 1fr; gap: 28px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.placeholder-row span { font-family: var(--font-en); font-size: 10px; letter-spacing: .15em; color: var(--muted); }
.placeholder-row h2 { margin: 0 0 10px; font-size: clamp(24px, 3vw, 42px); font-weight: 400; }
.placeholder-row p { margin: 0; color: var(--muted); }
.back-home { display: inline-block; margin-top: 48px; padding-bottom: 4px; border-bottom: 1px solid currentColor; font-family: var(--font-en); font-size: 10px; letter-spacing: .15em; }

.reveal { opacity: 1; transform: none; transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .site-header { min-height: 82px; }
  .menu-button { justify-self: end; display: flex; align-items: center; gap: 12px; border: 0; background: none; color: inherit; font-family: var(--font-en); font-size: 13px; letter-spacing: .10em; }
  .menu-lines, .menu-lines::before { display: block; width: 22px; height: 1px; background: currentColor; transition: transform .25s ease; }
  .menu-lines { position: relative; }
  .menu-lines::before { content: ""; position: absolute; top: 6px; }
  .menu-button[aria-expanded="true"] .menu-lines { transform: rotate(45deg); }
  .menu-button[aria-expanded="true"] .menu-lines::before { top: 0; transform: rotate(90deg); }
  .global-nav { position: fixed; inset: 76px 0 auto 0; display: none; flex-direction: column; gap: 17px; padding: 28px var(--pad) 38px; background: rgba(32,32,32,.98); border-bottom: 1px solid var(--line); }
  .global-nav.is-open { display: flex; }
  .global-nav a { font-size: 19px; }
  .content-link { grid-template-columns: 70px minmax(0,1fr) 42px; }
  .content-ja { display: none; }
}

@media (max-width: 720px) {
  :root { --pad: 21px; }
  .brand-sub { display: none; }
  .hero, .hero-content { min-height: 800px; }
  .hero-image { object-position: 37% center; }
  .hero h1 { font-size: clamp(48px, 15vw, 76px); }
  .hero-caption { max-width: 340px; }
  .hero-meta { display: none; }
  .section-head, .contents-intro, .page-hero-inner, .page-body-inner { grid-template-columns: 1fr; gap: 32px; }
  .section-title { font-size: 52px; }
  .news-item { grid-template-columns: 100px 1fr 25px; gap: 14px; min-height: 116px; padding: 22px 0; }
  .news-category { text-align: right; }
  .news-title { grid-column: 1 / -1; }
  .news-arrow { grid-column: 3; grid-row: 1; }
  .content-link { min-height: 118px; grid-template-columns: 44px minmax(0,1fr) 30px; gap: 12px; }
  .content-name { font-size: 38px; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-nav { margin-top: 15px; }
  .page-hero { padding-top: 130px; }
  .page-title { font-size: 64px; }
  .placeholder-row { grid-template-columns: 58px 1fr; gap: 15px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* v0.3 — members, publications, presentations and access */
.eyebrow, .mini-heading, .route-label, .presentation-type {
  margin: 0;
  font-family: var(--font-en);
  font-size: 9px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}
.pi-profile { border-top: 1px solid var(--line); padding: 42px 0 78px; }
.pi-heading { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 36px; align-items: end; }
.member-name { margin: 12px 0 4px; font-size: clamp(38px, 5.2vw, 76px); font-weight: 400; line-height: 1; letter-spacing: -.045em; }
.member-name span { display: block; margin-top: 13px; font-family: var(--font-en); font-size: .27em; letter-spacing: .1em; color: var(--muted); }
.member-role { margin: 20px 0 0; color: var(--muted); }
.profile-links { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; font-family: var(--font-en); font-size: 9px; letter-spacing: .12em; }
.profile-links a, .access-links a, .external-bar a, .subsection-heading a { padding-bottom: 3px; border-bottom: 1px solid currentColor; }
.profile-intro { max-width: 850px; margin: 48px 0 62px; font-size: clamp(17px,1.45vw,23px); line-height: 1.9; }
.profile-columns { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: clamp(40px,7vw,110px); }
.mini-heading { padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li { display: grid; grid-template-columns: 145px minmax(0,1fr); gap: 25px; padding: 19px 0; border-bottom: 1px solid var(--line-soft); }
.timeline time { font-family: var(--font-en); font-size: 10px; letter-spacing: .08em; color: var(--muted); }
.timeline div { font-size: 14px; }
.timeline span { color: var(--muted); }
.member-groups { border-top: 1px solid var(--line); }
.member-group { padding: 30px 0 12px; border-bottom: 1px solid var(--line); }
.member-row { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 30px; align-items: end; padding: 25px 0; }
.member-row + .member-row { border-top: 1px solid var(--line-soft); }
.member-row h2 { margin: 0 0 6px; font-size: clamp(27px,3.4vw,48px); font-weight: 400; }
.member-row p { margin: 0; color: var(--muted); }
.member-row > span { font-family: var(--font-en); font-size: 8px; letter-spacing: .15em; color: #757571; }
.alumni-block { margin-top: 92px; padding: 44px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.alumni-block h2 { margin: 12px 0 20px; font-family: var(--font-en); font-size: clamp(36px,4vw,58px); font-weight: 400; }
.alumni-block p:last-child { max-width: 820px; margin-bottom: 0; color: var(--muted); }

.publication-page { padding-bottom: 35px; }
.external-bar { display: flex; justify-content: space-between; gap: 38px; align-items: flex-start; margin-bottom: 45px; }
.external-bar p { max-width: 680px; margin: 0; color: var(--muted); }
.external-bar div { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 18px; font-family: var(--font-en); font-size: 9px; letter-spacing: .12em; }
.publication-list { border-top: 1px solid var(--line); }
.publication-item { display: grid; grid-template-columns: 105px minmax(0,1fr) 35px; gap: clamp(20px,3.5vw,55px); padding: 30px 0; border-bottom: 1px solid var(--line); }
.publication-meta { display: flex; flex-direction: column; gap: 4px; font-family: var(--font-en); }
.publication-meta time { font-size: 15px; }
.publication-meta span { font-size: 8px; letter-spacing: .14em; color: var(--muted); }
.publication-item h3 { margin: 0 0 12px; max-width: 1040px; font-family: var(--font-en); font-size: clamp(17px,1.65vw,24px); line-height: 1.42; font-weight: 400; }
.publication-authors, .publication-journal { margin: 0; font-size: 12px; line-height: 1.65; }
.publication-authors { color: #c8c8c4; }
.publication-journal { margin-top: 5px; color: var(--muted); font-style: italic; }
.publication-link { justify-self: end; font-family: var(--font-en); font-size: 24px; color: var(--muted); }
.publication-item:hover .publication-link { color: white; }
.publication-note { margin: 18px 0 0; font-size: 10px; color: var(--muted); }
.presentation-section { padding-top: 80px; background: var(--bg-deep); }
.subsection-heading { display: flex; justify-content: space-between; gap: 30px; align-items: end; margin-bottom: 42px; }
.subsection-heading h2 { margin: 0; font-family: var(--font-en); font-size: clamp(37px,5vw,74px); line-height: 1; font-weight: 400; letter-spacing: -.04em; }
.subsection-heading a { font-family: var(--font-en); font-size: 9px; letter-spacing: .11em; }
.presentation-list { border-top: 1px solid var(--line); }
.presentation-item { display: grid; grid-template-columns: 145px minmax(0,1fr); gap: 30px; padding: 27px 0; border-bottom: 1px solid var(--line); }
.presentation-item time { font-family: var(--font-en); font-size: 11px; letter-spacing: .08em; }
.presentation-item h3 { margin: 8px 0 6px; font-size: clamp(18px,1.8vw,27px); line-height: 1.45; font-weight: 400; }
.presentation-item p:last-child { margin: 0; color: var(--muted); font-size: 13px; }

.access-primary { padding: 10px 0 66px; border-bottom: 1px solid var(--line); }
.access-primary h2 { margin: 18px 0 36px; font-size: clamp(42px,6vw,86px); line-height: 1.2; font-weight: 400; letter-spacing: -.045em; }
.access-primary address { font-style: normal; font-size: clamp(18px,2vw,25px); line-height: 1.7; }
.address-en { margin: 23px 0 0; font-family: var(--font-en); font-size: 13px; line-height: 1.7; color: var(--muted); }
.access-links { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 38px; font-family: var(--font-en); font-size: 9px; letter-spacing: .12em; }
.route-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); border-bottom: 1px solid var(--line); }
.route-grid section { min-height: 220px; padding: 38px 34px 38px 0; border-bottom: 1px solid var(--line-soft); }
.route-grid section:nth-child(odd) { border-right: 1px solid var(--line); }
.route-grid section:nth-child(even) { padding-left: 34px; }
.route-grid section:nth-last-child(-n+2) { border-bottom: 0; }
.route-grid h3 { margin: 16px 0 12px; font-family: var(--font-en); font-size: clamp(32px,4vw,54px); font-weight: 400; }
.route-grid p:last-child { margin: 0; color: var(--muted); }
.access-note { display: grid; grid-template-columns: 150px minmax(0,1fr); gap: 30px; padding: 45px 0; border-bottom: 1px solid var(--line); }
.access-note p:last-child { max-width: 780px; margin: 0; color: var(--muted); }

.news-archive { border-top: 1px solid var(--line); }
.news-archive article { display: grid; grid-template-columns: 120px 130px minmax(0,1fr); gap: 28px; padding: 34px 0; border-bottom: 1px solid var(--line); }
.news-archive time, .news-archive > article > span { font-family: var(--font-en); font-size: 10px; letter-spacing: .11em; }
.news-archive > article > span { color: var(--muted); }
.news-archive h2 { margin: 0 0 9px; font-size: clamp(19px,2vw,30px); line-height: 1.5; font-weight: 400; }
.news-archive p { margin: 0; color: var(--muted); }
.news-archive a { display: inline-block; margin-top: 14px; padding-bottom: 3px; border-bottom: 1px solid currentColor; font-family: var(--font-en); font-size: 9px; letter-spacing: .12em; }

@media (max-width: 800px) {
  .pi-heading, .profile-columns, .external-bar, .subsection-heading { grid-template-columns: 1fr; display: grid; }
  .profile-links { align-items: flex-start; margin-top: 10px; }
  .timeline li { grid-template-columns: 108px minmax(0,1fr); gap: 16px; }
  .member-row { grid-template-columns: 1fr; gap: 8px; }
  .member-row > span { justify-self: start; }
  .external-bar div { justify-content: flex-start; }
  .publication-item { grid-template-columns: 72px minmax(0,1fr) 22px; gap: 14px; }
  .presentation-item { grid-template-columns: 95px minmax(0,1fr); gap: 18px; }
  .route-grid { grid-template-columns: 1fr; }
  .route-grid section, .route-grid section:nth-child(even) { padding: 30px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .route-grid section:nth-last-child(-n+2) { border-bottom: 1px solid var(--line); }
  .route-grid section:last-child { border-bottom: 0; }
  .access-note { grid-template-columns: 1fr; gap: 15px; }
  .news-archive article { grid-template-columns: 100px 1fr; gap: 12px 18px; }
  .news-archive article > div { grid-column: 1 / -1; }
}


/* environment page — interactive floor plan */
.environment-section {
  padding: clamp(52px, 5.6vw, 86px) var(--pad) clamp(72px, 7vw, 112px);
  background: var(--bg);
}
.environment-inner { max-width: var(--max); margin: 0 auto; }
.environment-intro {
  display: grid;
  grid-template-columns: minmax(110px,.65fr) minmax(0,3.35fr);
  gap: clamp(28px,5vw,84px);
  align-items: end;
  margin-bottom: clamp(30px, 3.6vw, 56px);
}
.environment-intro h2 {
  margin: 0;
  font-family: var(--font-en);
  font-size: clamp(40px, 4.8vw, 76px);
  line-height: .98;
  font-weight: 400;
  letter-spacing: -.045em;
}
.environment-intro-copy {
  max-width: 800px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: clamp(15px, 1.12vw, 19px);
  line-height: 1.7;
}
.layout-explorer {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(350px, .65fr);
  gap: clamp(24px, 3vw, 48px);
  align-items: start;
}
.layout-map-column { min-width: 0; }
.layout-map-frame {
  position: relative;
  overflow: hidden;
  padding: clamp(7px, .7vw, 12px);
  background: #f5f5f2;
  border: 1px solid var(--line);
}
.layout-map-frame > img {
  width: 100%;
  height: auto;
  background: white;
}
.layout-hotspot {
  position: absolute;
  z-index: 2;
  padding: 0;
  border: 2px solid transparent;
  border-radius: 2px;
  background: transparent;
  color: #fff;
  cursor: pointer;
  transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
}
.layout-hotspot--office {
  left: 49.4%;
  top: 1.35%;
  width: 33.5%;
  height: 17.1%;
}
.layout-hotspot--culture {
  left: 16.0%;
  top: 61.1%;
  width: 33.3%;
  height: 22.6%;
}
.layout-hotspot:hover,
.layout-hotspot:focus-visible,
.layout-hotspot.is-active {
  border-color: rgba(31,31,31,.82);
  background: rgba(31,31,31,.075);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.58);
  outline: none;
}
.hotspot-label {
  position: absolute;
  right: 9px;
  top: 9px;
  display: inline-flex;
  align-items: center;
  min-height: 27px;
  padding: 5px 9px;
  background: rgba(31,31,31,.88);
  color: #fff;
  font-family: var(--font-ja);
  font-size: 11px;
  line-height: 1;
  letter-spacing: .06em;
  opacity: 0;
  transform: translateY(-3px);
  transition: opacity .2s ease, transform .2s ease;
}
.layout-hotspot:hover .hotspot-label,
.layout-hotspot:focus-visible .hotspot-label,
.layout-hotspot.is-active .hotspot-label {
  opacity: 1;
  transform: translateY(0);
}
.layout-help {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.65;
  color: var(--muted);
}
.layout-switches {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}
.layout-switch {
  border: 1px solid var(--line);
  padding: 9px 13px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: .11em;
  text-transform: uppercase;
}
.layout-switch:hover,
.layout-switch:focus-visible,
.layout-switch.is-active {
  background: var(--text);
  color: var(--bg-deep);
  border-color: var(--text);
  outline: none;
}
.layout-details {
  position: sticky;
  top: 108px;
  min-width: 0;
}
.area-panel {
  display: none;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-deep);
}
.area-panel.is-active { display: block; animation: area-panel-in .3s ease both; }
@keyframes area-panel-in {
  from { opacity: 0; transform: translateY(7px); }
  to { opacity: 1; transform: translateY(0); }
}
.area-photo {
  position: relative;
  aspect-ratio: 16 / 10;
  margin: 0;
  overflow: hidden;
  background: #181818;
}
.area-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,.22));
  pointer-events: none;
}
.area-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.area-panel[data-area-panel="office"] .area-photo img { object-position: center center; }
.area-panel[data-area-panel="culture"] .area-photo img { object-position: center center; }
.area-copy { padding: clamp(22px, 2.3vw, 34px); }
.area-index {
  margin: 0 0 12px;
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: .16em;
  color: var(--muted);
}
.area-title {
  margin: 0;
  font-family: var(--font-en);
  font-size: clamp(34px, 3.2vw, 52px);
  line-height: 1;
  font-weight: 400;
  letter-spacing: -.035em;
}
.area-title span {
  display: inline;
  margin-top: 0;
  font-family: var(--font-ja);
  font-size: 1em;
  line-height: inherit;
  letter-spacing: 0;
  color: inherit;
}
.area-description {
  margin: 22px 0 0;
  color: #c7c7c2;
  font-size: 15px;
  line-height: 1.78;
}
.area-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}
.area-features li {
  padding: 6px 9px;
  border: 1px solid var(--line-soft);
  font-size: 10px;
  letter-spacing: .06em;
  color: var(--muted);
}
.environment-meta {
  display: grid;
  grid-template-columns: minmax(110px,.65fr) minmax(0,3.35fr);
  gap: clamp(28px,5vw,84px);
  align-items: center;
  margin-top: clamp(38px, 4vw, 64px);
  padding: 24px 0 0;
  border-top: 1px solid var(--line);
}
.environment-meta-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.environment-meta p { margin: 0; color: var(--muted); }
.environment-meta a {
  flex: 0 0 auto;
  padding-bottom: 3px;
  border-bottom: 1px solid currentColor;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: .13em;
}
@media (max-width: 1050px) {
  .layout-explorer { grid-template-columns: 1fr; }
  .layout-map-frame { max-width: 820px; margin: 0 auto; }
  .layout-details { position: static; }
  .area-panel { display: none; grid-template-columns: minmax(0,1.15fr) minmax(280px,.85fr); }
  .area-panel.is-active { display: grid; }
  .area-photo { height: 100%; min-height: 330px; aspect-ratio: auto; }
}
@media (max-width: 720px) {
  .environment-intro,
  .environment-meta { grid-template-columns: 1fr; gap: 18px; }
  .environment-section { padding-top: 48px; }
  .layout-map-frame { padding: 4px; }
  .hotspot-label { right: 4px; top: 4px; min-height: 22px; padding: 4px 6px; font-size: 9px; }
  .layout-help { font-size: 11px; }
  .area-panel.is-active { display: block; }
  .area-photo { min-height: 0; aspect-ratio: 16 / 10; }
  .environment-meta-content { align-items: flex-start; flex-direction: column; gap: 14px; }
}


/* v0.45 — Environment introduction and funding link */
.environment-intro-text { max-width: 1080px; }
.environment-intro-copy { max-width: none; margin-bottom: 18px; color: #e6e6e1; }
.environment-funding,
.environment-guide { margin: 0; color: var(--muted); }
.environment-funding { margin-bottom: 12px; }
.environment-funding a {
  color: var(--text);
  padding-bottom: 2px;
  border-bottom: 1px solid currentColor;
  font-family: var(--font-en);
}

/* v0.15: use the uploaded firefly photograph as the header image on every internal page. */
.photo-page-hero {
  position: relative;
  min-height: clamp(470px, 59vw, 690px);
  overflow: hidden;
  background: var(--bg-deep);
  border-bottom: 1px solid var(--line);
}
.photo-page-hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 72% 47%;
  filter: saturate(.94) contrast(1.16) brightness(.88);
  transform: scale(1.003);
}
.photo-page-hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0,0,0,.58) 0%, rgba(0,0,0,.16) 54%, rgba(0,0,0,.07) 100%),
    linear-gradient(0deg, rgba(32,32,32,.54) 0%, rgba(0,0,0,.03) 42%, rgba(0,0,0,.10) 100%);
}
.photo-page-hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  min-height: clamp(470px, 59vw, 690px);
  margin: auto;
  padding: 150px var(--pad) 72px;
  display: grid;
  grid-template-columns: minmax(120px,.8fr) minmax(0,3.2fr);
  gap: clamp(36px,7vw,120px);
  align-items: end;
}
.photo-page-hero .page-kicker { color: rgba(243,243,239,.68); }
.photo-page-hero .page-title { color: #f3f3ef; text-shadow: 0 2px 24px rgba(0,0,0,.22); }
.photo-page-hero .page-subtitle { color: rgba(243,243,239,.70); }
.photo-page-credit {
  position: absolute;
  right: var(--pad);
  bottom: 26px;
  z-index: 2;
  margin: 0;
  font-family: var(--font-en);
  font-size: 8px;
  letter-spacing: .16em;
  color: rgba(255,255,255,.46);
}
@media (max-width: 720px) {
  .photo-page-hero,
  .photo-page-hero-inner { min-height: 590px; }
  .photo-page-hero-image { object-position: 72% center; }
  .photo-page-hero-inner {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-top: 128px;
    padding-bottom: 54px;
  }
  .photo-page-credit { display: none; }
}

/* v0.47 — remove the small left labels and keep page content on one background. */
.page-kicker,
.section-label { display: none !important; }
.photo-page-hero-inner {
  grid-template-columns: minmax(0, 1fr) !important;
  gap: 0 !important;
  align-items: end;
  padding-left: clamp(28px, 5vw, 82px) !important;
  padding-right: clamp(28px, 5vw, 82px) !important;
}
.photo-page-hero-inner > div { max-width: 1120px; }
.page-body-inner {
  display: block !important;
  max-width: var(--max);
  margin: 0 auto;
  padding-left: clamp(4px, 1.2vw, 22px);
  padding-right: clamp(4px, 1.2vw, 22px);
}
.join-index { display: none !important; }
.join-row {
  grid-template-columns: minmax(0, 1fr) !important;
  padding-left: 0 !important;
}
.join-contact,
.access-contact-card,
.presentation-section {
  background: transparent !important;
}
.join-contact,
.access-contact-card {
  padding-left: 0 !important;
  padding-right: 0 !important;
  border-left: 0 !important;
  border-right: 0 !important;
}
.join-contact .eyebrow { display: none; }
.home-section-inner { display: block !important; }
@media (max-width: 720px) {
  .photo-page-hero-inner {
    padding-left: 24px !important;
    padding-right: 24px !important;
  }
  .page-body-inner { padding-left: 0; padding-right: 0; }
  .photo-page-hero .page-title {
    max-width: 100%;
    font-size: clamp(16px, 11vw, 64px);
    white-space: nowrap;
  }
  .environment-intro-copy {
    max-width: 100%;
    overflow-wrap: anywhere;
  }
}
@media (max-width: 360px) {
  :root { --pad: 16px; }
  .photo-page-hero-inner {
    padding-left: 16px !important;
    padding-right: 16px !important;
  }
}

/* v0.48 — full-width introduction and controls above the floor plan. */
.environment-intro {
  display: block !important;
  margin-bottom: clamp(30px, 3.6vw, 56px);
}
.environment-intro-text {
  width: 100%;
  max-width: none !important;
}
.environment-intro-copy {
  width: 100%;
  max-width: none !important;
  margin: 0 !important;
  color: #e6e6e1;
  font-size: clamp(17px, 1.48vw, 23px);
  line-height: 1.62;
}
.photo-page-hero-inner {
  justify-items: start;
  text-align: left;
  padding-left: var(--pad) !important;
  padding-right: var(--pad) !important;
}
.photo-page-hero .page-title { text-align: left; }
.environment-funding-line {
  display: inline;
  margin-top: 0;
  color: var(--muted);
}
.environment-funding-line a {
  color: var(--text);
  padding-bottom: 2px;
  border-bottom: 1px solid currentColor;
  font-family: var(--font-en);
}
.layout-map-column > .layout-switches {
  margin: 0 0 16px;
}

/* v0.50 — dark technical-drawing treatment for the laboratory floor plan. */
.layout-map-frame {
  isolation: isolate;
  padding: clamp(10px, 1vw, 16px);
  overflow: hidden;
  background: #f1f1ee;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 16px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, .22), inset 0 1px 0 rgba(255, 255, 255, .72);
}
.layout-map-frame > img {
  position: relative;
  z-index: 1;
  border-radius: 9px;
  background: #fff;
  filter: saturate(.72) contrast(1.04) brightness(1.01);
  opacity: 1;
}
.layout-hotspot {
  z-index: 3;
  border-width: 1px;
  border-radius: 10px;
}
.layout-hotspot:hover,
.layout-hotspot:focus-visible,
.layout-hotspot.is-active {
  border-color: rgba(22, 112, 62, .9);
  background: rgba(116, 210, 151, .12);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.62), 0 0 18px rgba(31,120,66,.14);
}
.hotspot-label {
  min-height: 28px;
  padding: 6px 11px;
  color: #142019;
  background: #afe1c1;
  border: 0;
  border-radius: 999px;
  box-shadow: 0 7px 18px rgba(0,0,0,.28);
}
.layout-switch {
  padding: 9px 15px;
  border-radius: 999px;
  transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease;
}
.layout-switch:hover { transform: translateY(-1px); }
.layout-switch:hover,
.layout-switch:focus-visible,
.layout-switch.is-active {
  color: #142019;
  background: #afe1c1;
  border-color: #afe1c1;
}
@media (max-width: 720px) {
  .layout-map-frame { padding: 6px; border-radius: 11px; }
  .layout-map-frame > img { border-radius: 7px; }
}

/* v0.51 — align the tops while preserving the photographs' aspect ratio. */
@media (min-width: 1051px) {
  .layout-explorer { align-items: start; }
  .layout-details {
    align-self: start;
    height: auto;
    margin-top: 52px;
  }
  .area-panel.is-active {
    display: block;
    height: auto;
  }
  .area-panel.is-active .area-photo {
    height: auto;
    min-height: 0;
    aspect-ratio: 16 / 10;
  }
}

/* v0.52 — simplified, site-native laboratory plan. */
.layout-map-frame {
  padding: clamp(10px, 1vw, 16px);
  background: #171918;
  border-color: rgba(255,255,255,.14);
}
.lab-plan {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  grid-template-rows: .8fr 1fr .8fr 1fr .28fr;
  gap: clamp(6px, .7vw, 11px);
  aspect-ratio: 1 / 1;
  min-width: 0;
  padding: clamp(10px, 1vw, 17px);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 10px;
  background:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px),
    #202221;
  background-size: 28px 28px;
}
.plan-room,
.plan-corridor {
  min-width: 0;
  padding: clamp(10px, 1.35vw, 21px);
  color: var(--text);
  background: rgba(255,255,255,.035);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 7px;
  text-align: left;
}
button.plan-room {
  position: relative;
  appearance: none;
  font: inherit;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}
button.plan-room:hover { transform: translateY(-2px); }
.plan-room > span,
.plan-corridor > span {
  display: block;
  margin-bottom: 7px;
  font-family: var(--font-en);
  font-size: clamp(8px, .72vw, 11px);
  line-height: 1.25;
  letter-spacing: .12em;
  color: #8f9691;
}
.plan-room strong,
.plan-corridor strong {
  display: block;
  font-size: clamp(13px, 1.45vw, 23px);
  line-height: 1.38;
  font-weight: 400;
}
.plan-room i {
  position: absolute;
  right: clamp(8px, 1vw, 15px);
  bottom: clamp(7px, .9vw, 13px);
  font-family: var(--font-en);
  font-size: clamp(7px, .62vw, 10px);
  font-style: normal;
  letter-spacing: .11em;
  color: #a8d9b9;
}
.plan-room--microscopy { grid-column: 1; grid-row: 1; }
.plan-room--office { grid-column: 2; grid-row: 1; }
.plan-room--measurement { grid-column: 1; grid-row: 2; }
.plan-room--gene { grid-column: 2; grid-row: 2; }
.plan-room--organic { grid-column: 1; grid-row: 3; }
.plan-room--shared { grid-column: 2; grid-row: 3 / 5; }
.plan-room--culture { grid-column: 1; grid-row: 4; }
.plan-corridor {
  grid-column: 1 / -1;
  grid-row: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 5px 10px;
  background: rgba(0,0,0,.18);
}
.plan-corridor > span { margin: 0; }
.plan-corridor strong { font-size: clamp(11px, 1.05vw, 17px); }
button.plan-room:hover,
button.plan-room:focus-visible,
button.plan-room.is-active {
  color: #ecfff2;
  background: linear-gradient(145deg, rgba(70,151,99,.30), rgba(39,93,59,.18));
  border-color: #86c99f;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.06), 0 10px 26px rgba(0,0,0,.16);
}
button.plan-room.is-active > span { color: #b8e3c7; }
.plan-detail-link {
  display: block;
  margin: 12px 2px 0;
  padding: 5px 0 2px;
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: .1em;
  color: #b8bdb9;
  text-align: right;
}
.plan-detail-link:hover { color: #fff; }
@media (max-width: 720px) {
  .lab-plan { gap: 5px; padding: 7px; }
  .plan-room,
  .plan-corridor { padding: 8px; border-radius: 5px; }
  .plan-room > span { margin-bottom: 4px; letter-spacing: .07em; }
  .plan-room strong { font-size: clamp(10px, 3.3vw, 16px); }
  .plan-room i { display: none; }
  .plan-corridor { padding: 3px 6px; }
}

/* v0.53 — web map aligned with the redesigned laboratory floor map. */
.layout-map-frame {
  padding: clamp(10px, 1.05vw, 17px);
  background: #171918;
  border-color: rgba(255,255,255,.12);
  border-radius: 14px;
}
.lab-plan {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-template-rows: 1.05fr .88fr 1fr .16fr;
  gap: clamp(6px, .72vw, 11px);
  aspect-ratio: 1.18 / 1;
  padding: clamp(9px, 1vw, 16px);
  border-color: rgba(255,255,255,.1);
  border-radius: 9px;
  background:
    linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px),
    #1b1e1c;
  background-size: 26px 26px;
}
.plan-room {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  min-height: 0;
  padding: clamp(10px, 1.2vw, 18px);
  overflow: hidden;
  background: #222523;
  border-color: #464d48;
  border-radius: 8px;
}
.plan-room::after {
  content: "";
  position: absolute;
  left: clamp(10px, 1.2vw, 18px);
  right: clamp(10px, 1.2vw, 18px);
  bottom: clamp(9px, 1vw, 15px);
  height: 1px;
  background: linear-gradient(90deg, rgba(169,228,189,.38), transparent 72%);
}
.plan-room--microscopy,
.plan-room--gene {
  background: #203629;
  border-color: rgba(126,190,148,.46);
}
.plan-number {
  position: absolute;
  top: clamp(8px, 1vw, 14px);
  right: clamp(9px, 1.1vw, 16px);
  z-index: 0;
  font-family: var(--font-en);
  font-size: clamp(22px, 3.25vw, 52px);
  line-height: .9;
  font-weight: 400;
  letter-spacing: -.045em;
  color: #a9e4bd;
  opacity: .88;
}
.plan-room > span {
  position: relative;
  z-index: 1;
  max-width: calc(100% - 46px);
  margin-bottom: clamp(7px, .8vw, 12px);
  color: #a9e4bd;
  font-size: clamp(7px, .64vw, 10px);
  font-weight: 600;
  letter-spacing: .11em;
}
.plan-room strong {
  position: relative;
  z-index: 1;
  max-width: calc(100% - 34px);
  font-size: clamp(11px, 1.26vw, 20px);
  line-height: 1.34;
  font-weight: 500;
}
.plan-room i {
  z-index: 2;
  bottom: clamp(9px, 1vw, 15px);
  color: #a9e4bd;
}
.plan-room--microscopy { grid-column: 1 / 3; grid-row: 1; }
.plan-room--office { grid-column: 3 / 5; grid-row: 1; }
.plan-room--measurement { grid-column: 1; grid-row: 2; }
.plan-room--organic { grid-column: 2; grid-row: 2; }
.plan-room--gene { grid-column: 3 / 5; grid-row: 2; }
.plan-room--culture { grid-column: 1 / 3; grid-row: 3; }
.plan-room--shared { grid-column: 3 / 5; grid-row: 3; }
.plan-corridor {
  position: relative;
  grid-column: 1 / 5;
  grid-row: 4;
  min-height: 18px;
  border-color: #464d48;
  background: #171918;
}
.plan-corridor::after {
  content: "";
  position: absolute;
  left: 18%;
  right: 18%;
  top: 50%;
  border-top: 1px dashed rgba(169,228,189,.34);
}
.plan-corridor > span,
.plan-corridor > strong {
  position: relative;
  z-index: 1;
  padding: 0 5px;
  background: #171918;
}
button.plan-room:hover,
button.plan-room:focus-visible,
button.plan-room.is-active {
  background: linear-gradient(145deg, #284733, #203629);
  border-color: #8bcca3;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.045), 0 12px 28px rgba(0,0,0,.2);
}
.plan-detail-link {
  margin-top: 13px;
  color: #a9afa9;
}

@media (max-width: 720px) {
  .lab-plan {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: 1.1fr .86fr 1fr .82fr 1fr .92fr .16fr;
    aspect-ratio: auto;
    min-height: 680px;
    gap: 6px;
    padding: 7px;
  }
  .plan-room { padding: 11px; }
  .plan-room::after { left: 11px; right: 11px; bottom: 10px; }
  .plan-number { top: 9px; right: 10px; font-size: clamp(25px, 10vw, 42px); }
  .plan-room > span { max-width: calc(100% - 42px); font-size: 8px; }
  .plan-room strong { max-width: calc(100% - 30px); font-size: clamp(12px, 4vw, 17px); }
  .plan-room--microscopy { grid-column: 1 / 3; grid-row: 1; }
  .plan-room--measurement { grid-column: 1; grid-row: 2; }
  .plan-room--organic { grid-column: 2; grid-row: 2; }
  .plan-room--culture { grid-column: 1 / 3; grid-row: 3; }
  .plan-room--office { grid-column: 1 / 3; grid-row: 4; }
  .plan-room--gene { grid-column: 1 / 3; grid-row: 5; }
  .plan-room--shared { grid-column: 1 / 3; grid-row: 6; }
  .plan-corridor { grid-column: 1 / 3; grid-row: 7; }
}

/* v0.54 — equal-area cards with a concise equipment index. */
.lab-plan {
  grid-template-columns: repeat(8, minmax(0, 1fr));
  grid-template-rows: repeat(2, minmax(0, 1fr)) .16fr;
  aspect-ratio: 1.2 / 1;
}
.plan-room {
  justify-content: flex-start;
}
.plan-room strong {
  max-width: calc(100% - 18px);
  font-size: clamp(10px, 1.08vw, 17px);
}
.plan-number {
  font-size: clamp(22px, 2.55vw, 40px);
}
.plan-equipment {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 4px;
  width: 100%;
  margin-top: auto;
  margin-bottom: clamp(12px, 1.1vw, 17px);
  font-family: var(--font-en);
  font-size: clamp(6px, .54vw, 8.5px);
  line-height: 1.2;
  color: #c2c8c3;
  text-align: left;
}
.plan-equipment em {
  display: block;
  min-width: 0;
  padding: 4px 6px;
  overflow: hidden;
  background: rgba(8,12,9,.24);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 4px;
  font-style: normal;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.plan-equipment em::before {
  content: "•";
  margin-right: 5px;
  color: #a9e4bd;
}
.plan-room--microscopy { grid-column: 1 / 3; grid-row: 1; }
.plan-room--measurement { grid-column: 3 / 5; grid-row: 1; }
.plan-room--organic { grid-column: 5 / 7; grid-row: 1; }
.plan-room--culture { grid-column: 7 / 9; grid-row: 1; }
.plan-room--office { grid-column: 2 / 4; grid-row: 2; }
.plan-room--gene { grid-column: 4 / 6; grid-row: 2; }
.plan-room--shared { grid-column: 6 / 8; grid-row: 2; }
.plan-corridor { grid-column: 1 / 9; grid-row: 3; }

@media (max-width: 720px) {
  .lab-plan {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-template-rows: repeat(4, minmax(0, 1fr)) .16fr;
    min-height: 760px;
    aspect-ratio: auto;
  }
  .plan-room strong { font-size: clamp(12px, 3.2vw, 17px); }
  .plan-equipment { font-size: clamp(7px, 2vw, 9px); }
  .plan-room--microscopy { grid-column: 1 / 3; grid-row: 1; }
  .plan-room--measurement { grid-column: 3 / 5; grid-row: 1; }
  .plan-room--organic { grid-column: 1 / 3; grid-row: 2; }
  .plan-room--culture { grid-column: 3 / 5; grid-row: 2; }
  .plan-room--office { grid-column: 1 / 3; grid-row: 3; }
  .plan-room--gene { grid-column: 3 / 5; grid-row: 3; }
  .plan-room--shared { grid-column: 2 / 4; grid-row: 4; }
  .plan-corridor { grid-column: 1 / 5; grid-row: 5; }
}

@media (max-width: 480px) {
  .lab-plan {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: repeat(7, minmax(116px, auto)) 22px;
    min-height: 920px;
  }
  .plan-room--microscopy { grid-column: 1; grid-row: 1; }
  .plan-room--measurement { grid-column: 1; grid-row: 2; }
  .plan-room--organic { grid-column: 1; grid-row: 3; }
  .plan-room--culture { grid-column: 1; grid-row: 4; }
  .plan-room--office { grid-column: 1; grid-row: 5; }
  .plan-room--gene { grid-column: 1; grid-row: 6; }
  .plan-room--shared { grid-column: 1; grid-row: 7; }
  .plan-corridor { grid-column: 1; grid-row: 8; }
  .plan-equipment {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    font-size: 8px;
  }
}

/* v0.55 — interactive area and equipment photo explorer. */
.layout-guide {
  margin: 0 0 12px;
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: .14em;
  color: #a9e4bd;
}
.lab-plan.lab-plan--interactive {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: repeat(4, minmax(150px, 1fr));
  gap: clamp(7px, .7vw, 11px);
  min-height: 620px;
  aspect-ratio: auto;
  overflow: visible;
}
.plan-zone {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  padding: clamp(12px, 1.2vw, 18px);
  overflow: hidden;
  color: #f2f3ef;
  background: #222523;
  border: 1px solid #4a514c;
  border-radius: 8px;
  transition: background .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.plan-zone.is-active {
  background: #203e2b;
  border-color: #78bd90;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.035), 0 12px 30px rgba(0,0,0,.16);
}
.plan-zone--01 { grid-column: 1; grid-row: 1 / 3; }
.plan-zone--02 { grid-column: 2; grid-row: 1 / 3; }
.plan-zone--03 { grid-column: 3; grid-row: 1 / 3; }
.plan-zone--04 { grid-column: 1 / 3; grid-row: 3 / 5; }
.plan-zone--office { grid-column: 3; grid-row: 3; }
.plan-zone--shared { grid-column: 3; grid-row: 4; }
.plan-zone-heading {
  position: relative;
  display: block;
  width: 100%;
  min-height: 74px;
  padding: 0 52px 12px 0;
  color: inherit;
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(255,255,255,.11);
  border-radius: 0;
  font: inherit;
  text-align: left;
}
button.plan-zone-heading {
  cursor: pointer;
}
button.plan-zone-heading:hover,
button.plan-zone-heading:focus-visible {
  color: #ecfff2;
  outline: none;
}
button.plan-zone-heading:focus-visible::after {
  content: "";
  position: absolute;
  inset: -7px;
  border: 1px solid #a9e4bd;
  border-radius: 5px;
}
.plan-zone-heading .plan-number {
  top: 0;
  right: 0;
  font-size: clamp(27px, 3vw, 46px);
}
.plan-zone-heading > span {
  display: block;
  max-width: calc(100% - 20px);
  margin: 0 0 9px;
  font-family: var(--font-en);
  font-size: clamp(7px, .58vw, 9px);
  line-height: 1.25;
  letter-spacing: .1em;
  color: #a9e4bd;
}
.plan-zone-heading > strong {
  display: block;
  font-size: clamp(12px, 1.12vw, 18px);
  line-height: 1.32;
  font-weight: 500;
}
.plan-zone-heading > i {
  position: absolute;
  right: 0;
  bottom: 9px;
  font-family: var(--font-en);
  font-size: 7px;
  line-height: 1;
  letter-spacing: .09em;
  color: #a9e4bd;
  font-style: normal;
}
.equipment-buttons {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 5px;
  margin-top: 12px;
}
.equipment-buttons button {
  min-width: 0;
  padding: 6px 8px;
  color: #c7cdc8;
  background: rgba(9,13,10,.25);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 4px;
  font-family: var(--font-jp, inherit);
  font-size: clamp(10px, .78vw, 12px);
  line-height: 1.3;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  transition: color .18s ease, background .18s ease, border-color .18s ease;
}
.equipment-buttons button::before {
  content: "•";
  margin-right: 5px;
  color: #a9e4bd;
}
.equipment-buttons button:hover,
.equipment-buttons button:focus-visible,
.equipment-buttons button.is-active {
  color: #f4fff7;
  background: rgba(90,158,113,.32);
  border-color: #8bcca3;
  outline: none;
}
.plan-zone-note {
  margin: auto 0 10px;
  font-family: var(--font-en);
  font-size: clamp(10px, .9vw, 14px);
  line-height: 1.9;
  letter-spacing: .09em;
  color: #8f9691;
}
.room-feature-list {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 6px;
  margin: 15px 0 0;
  padding: 0;
  list-style: none;
}
.room-feature-list li {
  padding: 6px 9px;
  color: #d8ddd9;
  background: rgba(9,13,10,.25);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 4px;
  font-family: var(--font-jp, inherit);
  font-size: clamp(10px, .78vw, 12px);
  line-height: 1.3;
  font-weight: 700;
}
.room-feature-list li::before {
  content: "•";
  margin-right: 6px;
  color: #a9e4bd;
}
.shared-equipment-note {
  margin: 18px 0 0;
  padding: 13px 14px;
  color: #c7cdc8;
  background: rgba(9,13,10,.2);
  border-left: 2px solid #78bd90;
  font-size: clamp(11px, .85vw, 13px);
  line-height: 1.75;
}
.equipment-explorer .layout-details {
  margin-top: 34px;
}
.equipment-viewer {
  overflow: hidden;
  background: #1c1f1d;
  border: 1px solid #474e49;
  border-radius: 10px;
}
.equipment-gallery {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #121412;
}
.equipment-gallery.is-multi {
  grid-template-columns: minmax(0, 1fr);
  aspect-ratio: auto;
}
.equipment-gallery.is-multi img {
  height: auto;
  aspect-ratio: 4 / 3;
}
.equipment-gallery.is-multi.is-row {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  aspect-ratio: 1 / 1;
}
.equipment-gallery.is-multi.is-row img {
  height: 100%;
  aspect-ratio: auto;
}
.equipment-gallery img {
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  object-fit: contain;
  background: #121412;
}
.equipment-copy {
  padding: clamp(20px, 2.3vw, 32px);
}
.equipment-kicker {
  margin: 0 0 12px;
  font-family: var(--font-en);
  font-size: 9px;
  line-height: 1.4;
  letter-spacing: .12em;
  color: #a9e4bd;
}
.equipment-title {
  margin: 0;
  font-size: clamp(20px, 2vw, 31px);
  line-height: 1.38;
  font-weight: 400;
}
.equipment-description {
  margin: 16px 0 0;
  color: #c3c7c3;
  font-size: clamp(14px, 1.1vw, 17px);
  line-height: 1.75;
}
.equipment-hint {
  margin: 21px 0 0;
  padding-top: 15px;
  border-top: 1px solid rgba(255,255,255,.1);
  color: #8f9691;
  font-size: 11px;
  line-height: 1.6;
}

@media (max-width: 1050px) {
  .equipment-explorer .layout-details {
    position: static;
    margin-top: 0;
  }
  .lab-plan.lab-plan--interactive {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: repeat(3, minmax(300px, auto));
    min-height: 900px;
  }
  .plan-zone--01 { grid-column: 1; grid-row: 1; }
  .plan-zone--02 { grid-column: 2; grid-row: 1; }
  .plan-zone--03 { grid-column: 1; grid-row: 2; }
  .plan-zone--04 { grid-column: 2; grid-row: 2; }
  .plan-zone--shared { grid-column: 2; grid-row: 3; }
  .plan-zone--office { grid-column: 1; grid-row: 3; }
}

@media (max-width: 620px) {
  .lab-plan.lab-plan--interactive {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: repeat(6, minmax(240px, auto));
    min-height: 0;
  }
  .plan-zone--01 { grid-column: 1; grid-row: 1; }
  .plan-zone--02 { grid-column: 1; grid-row: 2; }
  .plan-zone--03 { grid-column: 1; grid-row: 3; }
  .plan-zone--04 { grid-column: 1; grid-row: 4; }
  .plan-zone--shared { grid-column: 1; grid-row: 6; }
  .plan-zone--office { grid-column: 1; grid-row: 5; }
  .equipment-buttons button { font-size: 11px; }
  .equipment-gallery,
  .equipment-gallery.is-multi { aspect-ratio: auto; min-height: 340px; }
  .equipment-gallery.is-multi { grid-template-columns: minmax(0, 1fr); }
  .equipment-gallery.is-multi img { min-height: 300px; }
}