/* Circulating Care — shared styles */
:root {
  --bg: #faf7f2;
  --bg-alt: #f1ebe1;
  --surface: #ffffff;
  --ink: #1f2a3a;
  --ink-soft: #4a5566;
  --muted: #7a8494;
  --line: #e2dbcf;
  --navy: #1e3264;
  --accent: #d9774b;
  --accent-soft: #f6e3d6;
  --teal: #3f8a8c;
  --radius: 14px;
  --maxw: 1080px;
  --font-sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --font-serif: var(--font-sans);
  --font-en: var(--font-sans);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 19px;
  line-height: 1.9;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--navy); text-underline-offset: 3px; }
a:hover { color: var(--accent); }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 247, 242, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand-mark { width: 34px; height: 34px; flex: none; }
.brand-text { line-height: 1.2; }
.brand-text strong { display: block; font-family: var(--font-en); font-size: 24px; font-weight: 600; letter-spacing: 0.04em; }
.brand-text span { font-size: 13.5px; color: var(--muted); letter-spacing: 0.08em; }

.nav ul { list-style: none; display: flex; gap: 28px; margin: 0; padding: 0; }
.nav a {
  text-decoration: none; color: var(--ink-soft);
  font-size: 17px; font-weight: 500; letter-spacing: 0.06em;
  padding: 6px 0; border-bottom: 2px solid transparent;
}
.nav a:hover { color: var(--ink); }
.nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); }

.nav-toggle {
  display: none; background: none; border: 0; padding: 8px; cursor: pointer; color: var(--ink);
}
.nav-toggle svg { width: 26px; height: 26px; }

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav {
    position: absolute; top: 68px; left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav.open { display: block; }
  .nav ul { flex-direction: column; gap: 0; padding: 8px 24px 16px; }
  .nav a { display: block; padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav a[aria-current="page"] { border-bottom-color: var(--line); color: var(--accent); }
}

/* ---------- Hero ---------- */
.hero { background: var(--navy); color: #fff; }
.hero-media img { width: 100%; height: auto; }
.hero-copy { padding: 40px 0 48px; }
.hero-copy .eyebrow { color: #f3c9b1; }
.hero-copy h1 {
  font-family: var(--font-serif); font-weight: 700;
  font-size: clamp(29px, 4.2vw, 47px); line-height: 1.5; margin: 8px 0 10px;
  letter-spacing: 0.06em;
}
.hero-copy h1 .nb { display: inline-block; }
.hero-copy p.en { font-family: var(--font-en); font-size: clamp(19px, 2vw, 24px); margin: 0; opacity: 0.85; }

.eyebrow {
  font-family: var(--font-en); font-size: 18px; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent);
  margin: 0;
}

/* ---------- Page header (sub pages) ---------- */
.page-head { padding: 72px 0 40px; border-bottom: 1px solid var(--line); position: relative; overflow: hidden; }
.page-head h1 {
  font-family: var(--font-serif); font-weight: 600; font-size: clamp(31px, 4vw, 43px);
  margin: 6px 0 0; letter-spacing: 0.08em;
}
.page-head .ring { position: absolute; right: -80px; top: -60px; width: 320px; opacity: 0.5; pointer-events: none; }

/* ---------- Sections ---------- */
section.block { padding: 80px 0; }
section.block.alt { background: var(--bg-alt); }
.section-title { margin: 0 0 36px; }
.section-title h2 {
  font-family: var(--font-serif); font-weight: 600; font-size: clamp(25px, 3vw, 33px);
  margin: 6px 0 0; letter-spacing: 0.06em; line-height: 1.5;
}

.lead {
  font-family: var(--font-serif); font-size: clamp(20px, 2vw, 22.5px); line-height: 2.1;
  margin: 0;
}
.prose p { margin: 0 0 1.4em; }
.prose p:last-child { margin-bottom: 0; }
.en-text {
  font-family: var(--font-en); font-size: 21.5px; line-height: 1.75; color: var(--ink-soft);
  letter-spacing: 0.005em;
}
.en-text p { margin: 0 0 1.1em; }
.en-block { margin-top: 48px; padding-top: 36px; border-top: 1px solid var(--line); }
.en-block .label { font-family: var(--font-en); font-size: 16px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }

.mark { background: linear-gradient(transparent 62%, var(--accent-soft) 62%); padding: 0 2px; }

/* ---------- Overview table ---------- */
.info-list { margin: 0; display: grid; grid-template-columns: 200px 1fr; border-top: 1px solid var(--line); }
.info-list dt, .info-list dd { padding: 22px 0; border-bottom: 1px solid var(--line); margin: 0; }
.info-list dt { font-weight: 700; font-size: 17px; color: var(--navy); letter-spacing: 0.08em; }
.info-list dd small { display: block; color: var(--muted); font-family: var(--font-en); font-size: 19px; line-height: 1.6; margin-top: 4px; }
@media (max-width: 640px) {
  .info-list { grid-template-columns: 1fr; }
  .info-list dt { padding-bottom: 0; border-bottom: 0; }
  .info-list dd { padding-top: 6px; }
}

.groups { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 4px; }
.group {
  background: var(--surface); border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 16px; line-height: 1.6;
}
.group b { display: block; font-size: 16px; color: var(--accent); letter-spacing: 0.04em; margin-bottom: 4px; }
.group span { font-size: 18px; }
.group.all { grid-column: 1 / -1; background: var(--navy); border-color: var(--navy); color: #fff; }
.group.all b { color: #f3c9b1; }
@media (max-width: 640px) { .groups { grid-template-columns: 1fr; } }

/* ---------- Cards / CTA ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  display: block; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px 26px; text-decoration: none; color: var(--ink);
  transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(31,42,58,0.08); color: var(--ink); }
.card .eyebrow { font-size: 16px; }
.card h3 { font-family: var(--font-serif); font-size: 23px; margin: 6px 0 8px; font-weight: 600; }
.card p { margin: 0; font-size: 17px; color: var(--ink-soft); line-height: 1.8; }
.card .arrow { display: inline-block; margin-top: 14px; color: var(--accent); font-size: 17px; font-weight: 700; }
@media (max-width: 860px) { .cards { grid-template-columns: 1fr; } }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--navy); color: #fff; text-decoration: none;
  padding: 12px 22px; border-radius: 999px; font-size: 17px; font-weight: 500; letter-spacing: 0.06em;
}
.btn:hover { background: var(--accent); color: #fff; }

/* ---------- Figure ---------- */
.figure {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; margin: 48px 0;
}
.figure img { width: 100%; height: auto; border-radius: 6px; }
.figure figcaption { font-size: 16px; color: var(--muted); margin-top: 12px; text-align: center; }

.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 8px; }
.pillar { border-top: 3px solid var(--accent); padding-top: 16px; }
.pillar:nth-child(2) { border-top-color: var(--teal); }
.pillar:nth-child(3) { border-top-color: var(--navy); }
.pillar h3 { font-size: 19px; margin: 0 0 6px; font-weight: 700; }
.pillar p { margin: 0; font-size: 17.5px; color: var(--ink-soft); line-height: 1.8; }
@media (max-width: 760px) { .pillars { grid-template-columns: 1fr; } }

/* ---------- Members ---------- */
.member {
  display: grid; grid-template-columns: 260px 1fr; gap: 44px;
  padding: 52px 0; border-bottom: 1px solid var(--line);
}
.member:first-of-type { padding-top: 8px; }
.member:last-of-type { border-bottom: 0; }
.member-photo { border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 5; background: var(--bg-alt); }
.member-photo img { width: 100%; height: 100%; object-fit: cover; }
.member .role {
  display: inline-block; font-size: 15px; font-weight: 700; letter-spacing: 0.1em;
  color: var(--accent); background: var(--accent-soft); padding: 3px 12px; border-radius: 999px;
}
.member h2 { font-family: var(--font-serif); font-size: 33px; font-weight: 600; margin: 12px 0 0; letter-spacing: 0.12em; line-height: 1.4; }
.member .name-en { font-family: var(--font-en); font-size: 21px; color: var(--muted); letter-spacing: 0.1em; margin: 0 0 14px; }
.member .affil { font-weight: 500; margin: 0 0 4px; line-height: 1.7; }
.member .concurrent { font-size: 17px; color: var(--ink-soft); margin: 0 0 20px; line-height: 1.7; }
.member .bio { font-size: 18px; color: var(--ink-soft); }
.member .bio p { margin: 0 0 1em; }
.member .keywords { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0; padding: 0; list-style: none; }
.member .keywords li { font-size: 15.5px; border: 1px solid var(--line); background: var(--surface); padding: 2px 12px; border-radius: 999px; color: var(--ink-soft); }
.member .ext { font-size: 17px; }
@media (max-width: 760px) {
  .member { grid-template-columns: 1fr; gap: 22px; }
  .member-photo { max-width: 260px; }
}

.team-photo { border-radius: var(--radius); overflow: hidden; margin-bottom: 64px; }
.team-photo img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }

/* ---------- Event ---------- */
.event-card {
  display: grid; grid-template-columns: 200px 1fr; gap: 0;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
}
.event-date {
  background: var(--navy); color: #fff; text-align: center; padding: 34px 16px;
  display: flex; flex-direction: column; justify-content: center;
}
.event-date .y { font-family: var(--font-en); font-size: 21px; letter-spacing: 0.15em; opacity: 0.8; }
.event-date .md { font-family: var(--font-en); font-size: 57px; line-height: 1.1; font-weight: 600; }
.event-date .dow { font-size: 17px; letter-spacing: 0.2em; margin-top: 4px; color: #f3c9b1; }
.event-body { padding: 32px 36px; }
.event-body .tag { display: inline-block; font-size: 15px; font-weight: 700; color: var(--teal); border: 1px solid var(--teal); border-radius: 999px; padding: 1px 12px; letter-spacing: 0.08em; }
.event-body h2 { font-family: var(--font-serif); font-size: 27px; font-weight: 600; margin: 12px 0 6px; }
.event-body p { margin: 0; color: var(--ink-soft); font-size: 18px; }
@media (max-width: 640px) {
  .event-card { grid-template-columns: 1fr; }
  .event-date { padding: 22px 16px; }
  .event-body { padding: 24px 22px; }
}
.empty-note { color: var(--muted); font-size: 18px; padding: 28px; border: 1px dashed var(--line); border-radius: var(--radius); text-align: center; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: rgba(255,255,255,0.82); padding: 56px 0 32px; font-size: 16.5px; line-height: 1.8; }
.site-footer a { color: #fff; }
.site-footer a:hover { color: #f3c9b1; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; }
.footer-grid strong { font-family: var(--font-en); font-size: 25px; font-weight: 600; color: #fff; letter-spacing: 0.04em; }
.footer-nav { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 6px 20px; }
.footer-nav a { text-decoration: none; }
.copyright { margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.15); font-size: 15px; color: rgba(255,255,255,0.6); }
@media (max-width: 640px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---------- Motion ---------- */
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
}