:root {
  --navy: #10233f;
  --cyan: #149fc4;
  --sky: #eaf3f7;
  --line: #d9e7ee;
  --muted: #617185;
  --white: #fff;
  --max: 1180px;
  --serif: "Yu Mincho", "Hiragino Mincho ProN", serif;
  --sans: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--navy); background: #fff; font-family: var(--sans); line-height: 1.8; }
a { color: inherit; }
img { max-width: 100%; display: block; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 1rem; top: 1rem; background: #fff; padding: .7rem 1rem; z-index: 100; }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); }
.header-inner { max-width: var(--max); margin: auto; min-height: 76px; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { text-decoration: none; font-family: var(--serif); font-size: 1.35rem; font-weight: 700; letter-spacing: .08em; }
.nav { display: flex; gap: 17px; align-items: center; }
.nav a { text-decoration: none; font-size: .88rem; font-weight: 700; padding: 25px 0 20px; border-bottom: 3px solid transparent; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--cyan); border-color: var(--cyan); }
.menu-button { display: none; border: 1px solid var(--line); background: #fff; color: var(--navy); padding: .55rem .75rem; font: inherit; }
.wrap { max-width: var(--max); margin: auto; padding: 0 24px; }
.hero { min-height: calc(100vh - 118px); display: grid; align-items: center; position: relative; overflow: hidden; }
.hero > .wrap { width: 100%; }
.hero::after { content: ""; position: absolute; right: -4%; top: 3%; width: 62%; height: 94%; background: url('images/hero-biosignals.png') right center/cover no-repeat; mask-image: linear-gradient(to right, transparent 0, #000 28%); opacity: .94; z-index: 0; }
.hero-inner { position: relative; z-index: 1; width: 70%; padding: 70px 0; }
.hero h1, .page-title { font-family: var(--serif); font-weight: 500; letter-spacing: .025em; line-height: 1.35; }
.hero h1 { font-size: clamp(2.9rem, 5.25vw, 5rem); margin: 0 0 28px; }
.lead { font-size: 1.15rem; max-width: 44rem; }
.hero-actions { display: flex; gap: 16px; margin-top: 38px; }
.button { display: inline-flex; align-items: center; gap: .5rem; background: var(--navy); color: #fff; text-decoration: none; padding: .78rem 1.25rem; font-weight: 700; border: 1px solid var(--navy); }
.button[type="submit"] { font: inherit; cursor: pointer; }
.button:disabled { cursor: wait; opacity: .6; }
.button.secondary { background: #fff; color: var(--navy); }
.page-head { padding: 88px 0 54px; border-bottom: 1px solid var(--line); position: relative; overflow: hidden; }
.page-head::after { content: ""; position: absolute; inset: auto 0 16px 42%; height: 70px; background: repeating-radial-gradient(ellipse at center, transparent 0 17px, rgba(20,159,196,.12) 18px 19px); opacity: .6; }
.page-title { font-size: clamp(2.5rem, 5vw, 4.5rem); margin: 0; }
.page-intro { max-width: 56rem; font-size: 1.08rem; }
.section { padding: 78px 0; }
.section.sky { background: var(--sky); }
.section h2 { font-family: var(--serif); font-size: clamp(2rem, 3vw, 3rem); font-weight: 500; margin: 0 0 28px; }
.section h3 { font-size: 1.35rem; margin: 0 0 12px; }
.rule-title { display: flex; align-items: center; gap: 18px; }
.rule-title::after { content: ""; height: 1px; background: var(--line); flex: 1; }
.goal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; }
.goal-statement { font-family: var(--serif); font-size: clamp(2rem, 3.5vw, 3.25rem); line-height: 1.55; margin: 0; }
.themes { display: grid; }
.theme { display: grid; grid-template-columns: 250px 1fr; gap: 56px; padding: 48px 0; border-top: 1px solid var(--line); }
.theme-index { color: var(--cyan); font-family: var(--serif); font-size: 3rem; }
.theme p { max-width: 48rem; }
.keywords { display: flex; flex-wrap: wrap; gap: 10px; }
.keyword { border-bottom: 1px solid var(--cyan); padding: .15rem; color: var(--muted); font-size: .9rem; }
.staff-feature { display: grid; grid-template-columns: minmax(240px,360px) 1fr; gap: 54px; align-items: start; }
.portrait { aspect-ratio: 4/5; background: var(--sky); display: grid; place-items: center; color: #7890a5; font-size: 4rem; overflow: hidden; }
.portrait img { width: 100%; height: 100%; object-fit: cover; }
.staff-name { font-family: var(--serif); font-size: 2.5rem; margin: 0; }
.staff-meta { color: var(--muted); }
.staff-list { margin-top: 58px; border-top: 1px solid var(--line); }
.staff-row { display: grid; grid-template-columns: 80px 220px 1fr; gap: 28px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.staff-row .portrait { font-size: 1.7rem; }
.student-summary, .collaborator-section { margin-top: 86px; padding-top: 18px; border-top: 1px solid var(--line); }
.section-kicker { color: var(--cyan); font-size: .78rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.student-summary h2, .collaborator-section h2 { margin: 4px 0 10px; }
.student-summary > p, .section-intro { margin: 0; color: var(--muted); }
.student-count-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-top: 30px; }
.student-count { min-height: 168px; display: flex; flex-direction: column; justify-content: flex-end; padding: 18px; background: var(--sky); border-top: 3px solid var(--cyan); }
.student-count p { min-height: 3.5em; margin: 0 0 auto; color: var(--muted); font-size: .84rem; line-height: 1.55; }
.student-count strong { font-family: var(--serif); font-size: clamp(2.6rem, 4vw, 4rem); font-weight: 500; line-height: 1; }
.student-count span { color: var(--muted); font-size: .9rem; }
.collaborator-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 30px; }
.collaborator-card { min-height: 170px; padding: 28px; border: 1px solid var(--line); border-top: 3px solid var(--cyan); background: #fff; }
.collaborator-card .staff-meta { margin: 0; font-size: .88rem; line-height: 1.65; }
.collaborator-card .staff-name { margin: 8px 0; font-size: 1.5rem; line-height: 1.4; }
.empty.compact { grid-column: 1 / -1; padding: 22px; }
.course-list, .pub-list { border-top: 1px solid var(--line); }
.course, .pub { display: grid; grid-template-columns: 130px 1fr; gap: 34px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.course .level, .year { color: var(--cyan); font-weight: 700; }
.pub h3 { font-size: 1.05rem; margin: 0; }
.pub p { margin: .35rem 0; color: var(--muted); font-size: .92rem; }
.pub a { text-decoration-thickness: 1px; text-underline-offset: 5px; }
.pub-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.access-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 54px; }
.map-frame { min-height: 420px; border: 0; width: 100%; background: var(--sky); }
.facts { margin: 0; }
.facts dt { color: var(--cyan); font-weight: 700; margin-top: 1rem; }
.facts dd { margin: 0; }
.source-note { font-size: .85rem; color: var(--muted); margin-top: 38px; }
.contact-layout { display: grid; grid-template-columns: minmax(230px,.72fr) minmax(0,1.28fr); gap: 72px; align-items: start; }
.contact-note { padding: 28px; background: var(--sky); border-top: 3px solid var(--cyan); }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.field { display: grid; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label, .consent { font-weight: 700; }
.field input, .field select, .field textarea { width: 100%; border: 1px solid #a9bdca; border-radius: 0; background: #fff; color: var(--navy); padding: .82rem .9rem; font: inherit; line-height: 1.5; }
.field textarea { min-height: 190px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 3px solid rgba(20,159,196,.2); border-color: var(--cyan); }
.required { color: #b43c44; font-size: .78rem; margin-left: .45rem; }
.consent { grid-column: 1 / -1; display: flex; gap: .7rem; align-items: flex-start; font-size: .92rem; }
.consent input { margin-top: .5rem; }
.form-status { grid-column: 1 / -1; min-height: 1.8em; margin: 0; padding: 0; }
.form-status.success, .form-status.error { padding: .8rem 1rem; border-left: 4px solid; }
.form-status.success { color: #17643b; background: #edf8f1; border-color: #2c8a57; }
.form-status.error { color: #8e2630; background: #fff0f1; border-color: #b43c44; }
.honeypot { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
.language-picker { display: inline-flex; align-items: center; }
.language-picker select { border: 1px solid var(--line); background: #fff; color: var(--navy); border-radius: 0; padding: .38rem 1.8rem .38rem .55rem; font: inherit; font-size: .84rem; font-weight: 700; cursor: pointer; }
.language-picker select:focus { outline: 3px solid rgba(20,159,196,.2); border-color: var(--cyan); }
.site-footer { background: var(--navy); color: #fff; padding: 44px 0; }
.footer-inner { display: flex; justify-content: space-between; gap: 30px; align-items: end; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a { font-size: .85rem; }
.admin-link { opacity: .6; }
.empty { padding: 46px; text-align: center; color: var(--muted); }
@media (max-width: 1100px) {
  .menu-button { display: block; }
  .nav { display: none; position: absolute; top: 76px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); padding: 10px 24px 22px; flex-direction: column; align-items: stretch; }
  .nav.open { display: flex; }
  .nav a { padding: 8px 0; }
  .language-picker { padding: 8px 0; }
  .hero::after { width: 100%; opacity: .16; background-position: 70% center; mask-image: linear-gradient(to bottom, transparent 0, #000 35%); }
  .hero-inner { width: 100%; }
  .goal-grid, .staff-feature, .pub-columns, .access-grid, .contact-layout { grid-template-columns: 1fr; }
  .student-count-grid { grid-template-columns: repeat(3, 1fr); }
  .theme { grid-template-columns: 90px 1fr; gap: 20px; }
  .staff-row { grid-template-columns: 70px 1fr; }
  .staff-row > div:last-child { grid-column: 2; }
  .collaborator-grid { grid-template-columns: 1fr; }
  .footer-inner { align-items: start; flex-direction: column; }
}
@media (max-width: 560px) {
  .header-inner, .wrap { padding-left: 18px; padding-right: 18px; }
  .hero h1 { font-size: 2.65rem; }
  .page-head, .section { padding-top: 56px; padding-bottom: 48px; }
  .theme { grid-template-columns: 1fr; }
  .student-count-grid { grid-template-columns: repeat(2, 1fr); }
  .theme-index { font-size: 2rem; }
  .course, .pub { grid-template-columns: 1fr; gap: 5px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .contact-form { grid-template-columns: 1fr; }
  .field.full, .consent, .form-status { grid-column: auto; }
}