:root {
  --color-ink: #1c1c1b;
  --color-muted: #5f6266;
  --color-line: #dedede;
  --color-bg: #f7f7f5;
  --color-surface: #ffffff;
  --color-primary: #f49a00;
  --color-primary-dark: #1c1c1b;
  --color-accent: #ffc400;
  --color-blue: #8db7de;
  --color-green: #c47b00;
  --shadow: 0 18px 45px rgba(28, 28, 27, .1);
  --radius: 8px;
  --wrap: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--color-ink);
  background: var(--color-bg);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 18px;
  line-height: 1.65;
}
a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .18em; }
img { display: block; max-width: 100%; height: auto; }
:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 4px; }
.wrap { width: min(calc(100% - 40px), var(--wrap)); margin-inline: auto; }
.narrow { width: min(calc(100% - 40px), 820px); margin-inline: auto; }
.skip-link { position: absolute; left: 16px; top: -100px; z-index: 20; padding: 10px 14px; background: var(--color-ink); color: white; }
.skip-link:focus { top: 16px; }

.site-header { position: sticky; top: 0; z-index: 10; background: rgba(255, 255, 255, .96); border-bottom: 1px solid var(--color-line); backdrop-filter: blur(16px); }
.topbar { background: var(--color-primary-dark); color: white; font-size: 14px; }
.topbar__inner { min-height: 34px; display: flex; align-items: center; justify-content: flex-end; gap: 20px; }
.topbar a { text-decoration: none; }
.masthead { min-height: 142px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.brand { display: inline-flex; align-items: center; gap: 20px; text-decoration: none; min-width: 340px; flex: 0 0 auto; }
.brand__mark { display: grid; place-items: center; width: 128px; height: 128px; border-radius: 50%; background: white; border: 1px solid var(--color-line); overflow: hidden; }
.brand__mark img { width: 100%; height: 100%; object-fit: contain; }
.brand strong { display: block; font-size: 17px; line-height: 1.2; }
.brand small { color: var(--color-muted); }
.primary-nav { flex: 1 1 auto; min-width: 0; }
.primary-nav ul { display: flex; align-items: center; justify-content: flex-end; gap: 4px; margin: 0; padding: 0; list-style: none; }
.primary-nav a { display: block; padding: 10px 9px; border-radius: 6px; color: var(--color-ink); font-size: 15px; font-weight: 650; line-height: 1.15; text-decoration: none; white-space: nowrap; }
.primary-nav a:hover, .primary-nav a[aria-current="page"] { background: #fff2cf; color: var(--color-primary-dark); }
.nav-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--color-line); border-radius: var(--radius); background: white; }
.nav-toggle span { display: block; width: 20px; height: 2px; margin: 5px auto; background: var(--color-ink); }

.hero {
  min-height: 620px;
  display: grid;
  align-items: center;
  color: white;
  background: linear-gradient(90deg, rgba(28, 28, 27, .88), rgba(28, 28, 27, .54)), url("../demo/hero-school.jpg"), linear-gradient(135deg, #1c1c1b, #f49a00);
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}
.hero__grid { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 48px; align-items: end; padding-block: 76px 110px; }
.hero h1 { max-width: 760px; margin: 0 0 18px; font-size: 80px; line-height: .98; letter-spacing: 0; }
.hero p { max-width: 710px; font-size: 21px; color: rgba(255,255,255,.9); }
.eyebrow { margin: 0 0 10px; color: var(--color-primary); font-size: 14px; font-weight: 800; letter-spacing: 0; text-transform: uppercase; }
.hero .eyebrow { color: var(--color-accent); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 12px 18px; border: 1px solid transparent; border-radius: var(--radius); font-weight: 750; text-decoration: none; }
.button--primary { background: var(--color-accent); color: var(--color-ink); }
.button--ghost { border-color: rgba(255,255,255,.55); color: white; }
.button--small { min-height: 40px; padding: 8px 14px; background: var(--color-primary); color: white; }
.hero__panel { padding: 28px; border-radius: var(--radius); background: rgba(255,255,255,.94); color: var(--color-ink); box-shadow: var(--shadow); }
.hero__panel span { color: var(--color-primary); font-size: 14px; font-weight: 800; text-transform: uppercase; }
.hero__panel h2 { margin: 10px 0; font-size: 28px; line-height: 1.2; }
.hero__panel p { color: var(--color-muted); font-size: 17px; }
.hero__panel a { color: var(--color-primary-dark); font-weight: 800; }

.section { padding-block: 80px; }
.section--quick { padding-top: 70px; }
.section-heading { margin-bottom: 28px; }
.section-heading h2 { margin: 0; font-size: 46px; line-height: 1.1; }
.quick-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.quick-card, .news-card, .event-panel, .download-card, .profile-card, .cms-card { border: 1px solid var(--color-line); border-radius: var(--radius); background: var(--color-surface); box-shadow: 0 10px 24px rgba(23, 32, 51, .06); }
.quick-card { min-height: 150px; padding: 24px; text-decoration: none; transition: transform .18s ease, box-shadow .18s ease; }
.quick-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.quick-card strong { display: block; margin-bottom: 8px; font-size: 21px; }
.quick-card span { color: var(--color-muted); font-size: 16px; }
.icon-badge {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 16px;
  border-radius: var(--radius);
  color: var(--color-ink);
  background: #fff2cf;
  border: 1px solid #f2d58a;
}
.icon-badge svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}
.summary-icon {
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-right: 14px;
  border-radius: var(--radius);
  color: var(--color-ink);
  background: #fff2cf;
  border: 1px solid #f2d58a;
}
.summary-icon svg {
  width: 21px;
  height: 21px;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}
.content-detail--nested .summary-icon {
  width: 34px;
  height: 34px;
  margin-right: 12px;
  background: white;
}
.content-split { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 36px; align-items: start; }
.card-list, .archive-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.archive-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); padding-block: 56px 88px; }
.news-card { padding: 22px; }
.news-card__image { display: block; margin: -22px -22px 18px; aspect-ratio: 16 / 10; overflow: hidden; border-radius: var(--radius) var(--radius) 0 0; background: #dbe7ee; }
.news-card__image img { width: 100%; height: 100%; object-fit: cover; }
.ai-image { position: relative; }
.ai-image__label { position: absolute; right: 12px; bottom: 12px; z-index: 1; padding: 6px 10px; border: 1px solid rgba(255, 255, 255, .55); border-radius: 999px; color: white; background: rgba(23, 32, 51, .88); box-shadow: 0 3px 12px rgba(23, 32, 51, .2); font-size: 12px; font-weight: 800; line-height: 1.2; letter-spacing: .02em; }
.feature-image.ai-image { overflow: hidden; }
.news-card__meta, .download-card__meta { margin-bottom: 8px; color: var(--color-green); font-size: 14px; font-weight: 800; text-transform: uppercase; }
.news-card h3, .download-card h2, .cms-card h3 { margin: 0 0 10px; font-size: 23px; line-height: 1.25; }
.news-card h3 a, .event-item a { text-decoration: none; }
.news-card p, .download-card p, .cms-card p { color: var(--color-muted); font-size: 16px; }
.event-panel { padding: 26px; }
.event-item { display: grid; gap: 4px; padding: 16px 0; border-top: 1px solid var(--color-line); }
.event-item time { color: var(--color-primary); font-size: 15px; font-weight: 800; }
.event-item span { color: var(--color-muted); font-size: 15px; }
.section--profile { background: #fff6dc; border-block: 1px solid #f2d58a; }
.profile-grid { display: grid; grid-template-columns: 1.2fr repeat(3, 1fr); gap: 18px; align-items: stretch; }
.profile-grid h2 { margin: 0 0 14px; font-size: 52px; line-height: 1.06; }
.profile-card, .cms-card { padding: 22px; }
.profile-card strong { display: block; margin-bottom: 10px; font-size: 21px; }
.profile-card span { color: var(--color-muted); font-size: 16px; }
.page-hero { padding-block: 72px 48px; background: #fff6dc; border-bottom: 1px solid #f2d58a; }
.page-hero h1 { margin: 0 0 14px; font-size: 64px; line-height: 1.02; }
.page-hero p { color: var(--color-muted); font-size: 20px; }
.prose { padding-block: 56px 88px; background: white; }
.prose > * { max-width: 760px; }
.prose h2 { margin-top: 44px; font-size: 34px; line-height: 1.15; }
.download-card { display: flex; justify-content: space-between; gap: 24px; align-items: center; padding: 24px; }
.content-directory {
  display: grid;
  gap: 14px;
}
.content-detail {
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: white;
  box-shadow: 0 10px 24px rgba(28, 28, 27, .05);
}
.content-detail summary {
  display: flex;
  align-items: flex-start;
  cursor: pointer;
  padding: 20px 22px;
  list-style: none;
}
.content-detail summary::-webkit-details-marker { display: none; }
.content-detail summary span { display: grid; gap: 6px; }
.content-detail summary strong { font-size: 22px; line-height: 1.25; }
.content-detail summary small { color: var(--color-muted); font-size: 16px; }
.content-detail summary::after {
  content: "+";
  margin-left: auto;
  color: var(--color-primary);
  font-size: 28px;
  font-weight: 800;
}
.content-detail[open] summary::after { content: "−"; }
.detail-body {
  padding: 0 22px 22px;
  color: var(--color-muted);
}
.detail-body p {
  max-width: 900px;
  margin-block: 0 14px;
}
.detail-body h2,
.detail-body h3,
.detail-body h4 {
  max-width: 900px;
  margin: 28px 0 12px;
  color: var(--color-ink);
  line-height: 1.2;
}
.long-text {
  position: relative;
  padding: 20px 22px 20px 58px;
  border: 1px solid #f2d58a;
  border-left: 5px solid var(--color-primary);
  border-radius: var(--radius);
  background: #fffaf0;
  color: #3f4144;
  line-height: 1.78;
}
.long-text::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 22px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background:
    linear-gradient(var(--color-primary), var(--color-primary)) center 5px / 2px 12px no-repeat,
    radial-gradient(circle at center 17px, var(--color-primary) 0 2px, transparent 2.5px),
    #fff2cf;
  border: 1px solid #f2d58a;
}
.bullet-card {
  max-width: 860px;
  margin-block: 8px;
  padding: 12px 16px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: white;
  color: var(--color-ink);
  box-shadow: 0 8px 18px rgba(28, 28, 27, .05);
}
.person-list {
  display: grid;
  gap: 22px;
  margin: 4px 0 22px;
}
.person-entry {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-line);
}
.person-entry:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.person-entry strong {
  display: block;
  color: var(--color-ink);
  font-size: 20px;
  line-height: 1.25;
}
.person-entry span {
  display: block;
  color: var(--color-muted);
}
.person-entry span + span {
  margin-top: 2px;
}
.nested-directory {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}
.content-detail--nested {
  background: #fffaf0;
  box-shadow: none;
}
.content-detail--nested summary {
  padding: 16px 18px;
}
.content-detail--nested summary strong {
  font-size: 19px;
}
.original-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 6px 0 24px;
}
.original-gallery figure {
  margin: 0;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fffaf0;
}
.original-gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.original-gallery figcaption {
  padding: 8px 10px;
  color: var(--color-muted);
  font-size: 13px;
}
.legal-text {
  color: var(--color-muted);
}
.legal-text p {
  max-width: 820px;
}
.detail-image {
  width: 100%;
  max-height: 520px;
  object-fit: cover;
  border-radius: var(--radius);
  margin: 0 0 28px;
  border: 1px solid var(--color-line);
}
.ai-image--detail { overflow: hidden; margin: 0 0 28px; border-radius: var(--radius); }
.ai-image--detail .detail-image { display: block; margin: 0; }
.detail-figure {
  margin: 18px 0 28px;
}
.detail-figure img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow);
}
.detail-figure figcaption {
  margin-top: 10px;
  color: var(--color-muted);
  font-size: 0.92rem;
}
.contact-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 12px 0 20px;
}
.contact-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(141, 183, 222, .18);
  color: var(--color-blue);
  font-weight: 800;
}
.contact-chip::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--color-primary);
}
.detail-image--poster {
  width: min(100%, 420px);
  max-height: none;
  object-fit: contain;
  background: white;
}
.link-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0;
}
.resource-list {
  display: grid;
  gap: 10px;
  margin: 22px 0;
  padding: 16px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: #fffaf0;
}
.resource-list h4 {
  margin: 0 0 4px;
  color: var(--color-ink);
  font-size: 18px;
}
.resource-list a {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  color: var(--color-primary-dark);
  font-weight: 750;
}
.office-hours-intro {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin: 0 0 22px;
  padding: 20px;
  border: 1px solid #f2d58a;
  border-radius: var(--radius);
  background: #fffaf0;
}
.office-hours-intro h3 {
  margin: 0 0 6px;
  color: var(--color-ink);
  font-size: 24px;
}
.office-hours-intro p {
  margin: 0;
  color: var(--color-muted);
}
.office-hours-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  align-items: start;
}
.office-day {
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: white;
  box-shadow: 0 10px 24px rgba(28, 28, 27, .05);
  overflow: hidden;
}
.office-day h3 {
  margin: 0;
  padding: 12px 14px;
  color: var(--color-ink);
  background: #fff2cf;
  border-bottom: 1px solid #f2d58a;
  font-size: 18px;
}
.office-day ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 12px;
  list-style: none;
}
.office-day li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 38px;
  padding: 8px 10px;
  border: 1px solid var(--color-line);
  border-radius: 6px;
  background: #fdfdfb;
}
.office-day strong {
  color: var(--color-ink);
  font-size: 15px;
  letter-spacing: .03em;
}
.office-day span {
  color: var(--color-primary-dark);
  font-size: 14px;
  font-weight: 750;
  white-space: nowrap;
}
.compact-table {
  margin-top: 18px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: white;
}
.compact-table summary {
  cursor: pointer;
  padding: 14px 16px;
  color: var(--color-ink);
  font-weight: 800;
}
.table-scroll {
  overflow-x: auto;
  border-top: 1px solid var(--color-line);
}
.office-hours-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}
.office-hours-table th,
.office-hours-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-line);
  text-align: left;
}
.office-hours-table thead th {
  background: #fffaf0;
  color: var(--color-ink);
}
.office-hours-table tbody th {
  width: 120px;
  color: var(--color-primary-dark);
}
.constitution-hero {
  margin: 0 0 22px;
  padding: 24px;
  border: 1px solid #f2d58a;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 242, 207, .96), rgba(255, 250, 240, .96)),
    linear-gradient(135deg, var(--color-primary), var(--color-accent));
}
.constitution-hero h3 {
  margin: 0 0 10px;
  color: var(--color-ink);
  font-size: 30px;
  line-height: 1.15;
}
.constitution-hero p:last-child {
  max-width: 860px;
  margin: 0;
  color: #3f4144;
  font-size: 18px;
}
.constitution-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.constitution-card {
  padding: 22px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: white;
  box-shadow: 0 10px 24px rgba(28, 28, 27, .05);
}
.constitution-card:nth-child(3) {
  border-color: #f2d58a;
  background: #fffaf0;
}
.constitution-card h3 {
  margin: 0 0 14px;
  color: var(--color-ink);
  font-size: 22px;
  line-height: 1.2;
}
.constitution-card ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.constitution-card li {
  position: relative;
  padding-left: 30px;
  color: var(--color-muted);
  line-height: 1.55;
}
.constitution-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .28em;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background:
    linear-gradient(135deg, transparent 47%, var(--color-primary-dark) 48% 58%, transparent 59%) 5px 7px / 8px 6px no-repeat,
    #fff2cf;
  border: 1px solid #f2d58a;
}
.constitution-docs {
  margin-top: 18px;
  padding: 22px;
  border-radius: var(--radius);
  background: var(--color-ink);
  color: white;
}
.constitution-docs h3 {
  margin: 0 0 8px;
  color: white;
  font-size: 22px;
}
.constitution-docs p {
  max-width: 860px;
  color: rgba(255, 255, 255, .78);
}
.constitution-docs .button--small {
  background: var(--color-accent);
  color: var(--color-ink);
}
.seminar-feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 22px;
  align-items: stretch;
  margin-bottom: 18px;
  overflow: hidden;
  border: 1px solid #f2d58a;
  border-radius: var(--radius);
  background: #fffaf0;
}
.seminar-feature__copy {
  padding: 26px;
}
.seminar-feature h3 {
  margin: 0 0 12px;
  color: var(--color-ink);
  font-size: 32px;
  line-height: 1.12;
}
.seminar-feature p:last-child {
  margin: 0;
  color: #3f4144;
}
.seminar-feature img {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
}
.seminar-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}
.seminar-card {
  min-height: 120px;
  padding: 18px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: white;
  box-shadow: 0 10px 24px rgba(28, 28, 27, .05);
}
.seminar-card span {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 5px 9px;
  border-radius: 999px;
  background: #fff2cf;
  color: var(--color-primary-dark);
  font-size: 13px;
  font-weight: 800;
}
.seminar-card strong {
  display: block;
  color: var(--color-ink);
  font-size: 18px;
  line-height: 1.25;
}
.seminar-note {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 18px;
  padding: 20px;
  border-radius: var(--radius);
  background: var(--color-ink);
  color: white;
}
.seminar-note h3 {
  margin: 0 0 6px;
  color: white;
  font-size: 22px;
}
.seminar-note p {
  max-width: 740px;
  margin: 0;
  color: rgba(255, 255, 255, .78);
}
.seminar-note .button--small {
  flex: 0 0 auto;
  background: var(--color-accent);
  color: var(--color-ink);
}
.admission-layout {
  display: grid;
  gap: 18px;
}
.admission-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.admission-panel,
.admission-card {
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: white;
  box-shadow: 0 10px 24px rgba(28, 28, 27, .05);
}
.admission-panel {
  padding: 26px;
}
.admission-panel--highlight {
  border-color: #f2d58a;
  background: #fffaf0;
}
.admission-panel h2,
.admission-card h2 {
  margin: 0 0 12px;
  color: var(--color-ink);
  line-height: 1.18;
}
.admission-card {
  padding: 22px;
}
.admission-card span {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 5px 10px;
  border-radius: 999px;
  background: #fff2cf;
  color: var(--color-primary-dark);
  font-size: 13px;
  font-weight: 800;
}
.admission-card p,
.admission-panel p {
  color: var(--color-muted);
}
.admission-card a {
  color: var(--color-primary-dark);
  font-weight: 800;
}
.admission-card ul,
.check-list {
  display: grid;
  gap: 9px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}
.admission-card li,
.check-list li {
  position: relative;
  padding-left: 28px;
  color: var(--color-muted);
}
.admission-card li::before,
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .32em;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: #fff2cf;
  border: 1px solid #f2d58a;
}
.site-footer { padding-block: 58px 24px; color: white; background: var(--color-ink); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 36px; }
.site-footer h2 { margin: 0 0 14px; font-size: 20px; }
.site-footer p, .site-footer a { color: rgba(255,255,255,.78); }
.site-footer ul { margin: 0; padding: 0; list-style: none; }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 42px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.16); font-size: 15px; color: rgba(255,255,255,.72); }

@media (max-width: 980px) {
  .topbar { display: none; }
  .masthead { min-height: 104px; }
  .brand__mark { width: 88px; height: 88px; }
  .nav-toggle { display: block; }
  .primary-nav { position: absolute; inset: 104px 0 auto; display: none; padding: 14px 20px 22px; border-bottom: 1px solid var(--color-line); background: white; }
  .primary-nav[data-open] { display: block; }
  .primary-nav ul { display: grid; align-items: stretch; }
  .hero__grid, .content-split, .profile-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero__grid { padding-block: 64px 96px; }
  .hero h1 { font-size: 60px; }
  .section-heading h2 { font-size: 40px; }
  .profile-grid h2 { font-size: 44px; }
  .page-hero h1 { font-size: 52px; }
  .quick-grid, .card-list, .archive-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .office-hours-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .constitution-grid { grid-template-columns: 1fr; }
  .seminar-feature { grid-template-columns: 1fr; }
  .seminar-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .seminar-note { align-items: flex-start; flex-direction: column; }
  .admission-grid { grid-template-columns: 1fr; }
  .office-hours-intro { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 680px) {
  body { font-size: 16px; }
  .wrap, .narrow { width: min(calc(100% - 28px), var(--wrap)); }
  .brand { min-width: 0; }
  .brand__mark { width: 72px; height: 72px; }
  .brand strong { font-size: 16px; }
  .brand small { display: none; }
  .hero h1 { font-size: 44px; }
  .hero p { font-size: 18px; }
  .section-heading h2 { font-size: 34px; }
  .profile-grid h2 { font-size: 36px; }
  .page-hero h1 { font-size: 40px; }
  .quick-grid, .card-list, .archive-grid, .footer-grid { grid-template-columns: 1fr; }
  .office-hours-grid { grid-template-columns: 1fr; }
  .seminar-grid { grid-template-columns: 1fr; }
  .original-gallery { grid-template-columns: 1fr; }
  .download-card { display: grid; }
  .section { padding-block: 56px; }
  .section--quick { padding-top: 46px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}