/* 現代美術展 PRISM - 白 × 黒 × アクセントカラー / ミュージアム */

* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --paper: #FBFAF7;
  --paper-soft: #F0EDE6;
  --ink: #0E0E0E;
  --ink-mute: #5A5A5A;
  --mute: #A8A4A0;
  --accent: #DE3A2F;
  --accent-blue: #2D4A7A;
  --accent-yellow: #E8C040;
  --rule: rgba(14, 14, 14, 0.10);
}
html, body {
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", "Shippori Mincho", sans-serif;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "palt" 1;
  line-height: 1.75;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
em { font-style: italic; color: var(--accent); }

.cont { max-width: 1240px; margin: 0 auto; padding: 0 32px; }
.eb {
  font-family: "Inter", sans-serif;
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--accent);
  text-transform: uppercase;
  font-weight: 500;
  display: inline-block;
  margin-bottom: 18px;
}

/* HEADER */
.hd {
  position: sticky; top: 0; z-index: 50;
  padding: 18px 32px;
  background: rgba(251, 250, 247, 0.94);
  border-bottom: 1px solid var(--rule);
  backdrop-filter: blur(8px);
}
.hd-in { display: flex; justify-content: space-between; align-items: center; max-width: 1320px; margin: 0 auto; gap: 24px; }
.brand { display: flex; gap: 12px; align-items: center; }
.bk {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  background: var(--ink);
  color: var(--paper);
  font-family: "Cormorant Garamond", serif;
  font-size: 22px;
  font-style: italic;
}
.bw { display: flex; flex-direction: column; line-height: 1.2; }
.b1 { font-family: "Cormorant Garamond", serif; font-size: 16px; letter-spacing: 0.28em; font-weight: 500; }
.b2 { font-family: "Inter", sans-serif; font-size: 10px; color: var(--ink-mute); letter-spacing: 0.16em; font-weight: 400; }
.nav { display: flex; gap: 24px; }
.nav a { font-family: "Inter", sans-serif; font-size: 12px; letter-spacing: 0.22em; color: var(--ink-mute); transition: color .2s; text-transform: uppercase; font-weight: 500; }
.nav a:hover { color: var(--accent); }
.cta {
  padding: 10px 22px;
  background: var(--ink);
  color: var(--paper);
  font-family: "Inter", sans-serif;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 500;
  transition: background .25s;
}
.cta:hover { background: var(--accent); }
@media (max-width: 800px) { .nav { display: none; } }

/* HERO */
.hero {
  position: relative;
  min-height: 92vh;
  display: grid; place-items: center;
  padding: 100px 32px 80px;
  overflow: hidden;
  background: var(--paper);
}
.hero-shapes { position: absolute; inset: 0; pointer-events: none; }
.sh { position: absolute; border-radius: 50%; filter: blur(8px); opacity: 0.32; }
.sh-1 { width: 480px; height: 480px; left: -120px; top: 12%; background: var(--accent); }
.sh-2 { width: 360px; height: 360px; right: -80px; top: 38%; background: var(--accent-blue); }
.sh-3 { width: 280px; height: 280px; left: 38%; bottom: -80px; background: var(--accent-yellow); }
.hero-in { position: relative; max-width: 1100px; text-align: left; width: 100%; }
.hero-eb {
  font-family: "Inter", sans-serif;
  font-size: 12px;
  letter-spacing: 0.36em;
  color: var(--accent);
  font-weight: 500;
  text-transform: uppercase;
  display: block;
  margin-bottom: 32px;
}
.hero-h {
  font-family: "Cormorant Garamond", serif;
  font-weight: 400;
  font-size: clamp(64px, 13vw, 200px);
  line-height: 0.88;
  letter-spacing: -0.03em;
  color: var(--ink);
}
.hero-h .line { display: block; }
.hero-h em {
  font-style: italic;
  color: var(--accent);
}
.hero-sub {
  margin-top: 36px;
  max-width: 560px;
  font-family: "Shippori Mincho", serif;
  font-size: 15px;
  line-height: 2.0;
  color: var(--ink-mute);
}

/* COUNTDOWN */
.countdown {
  margin: 44px 0 0;
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  padding-top: 28px;
  border-top: 1px solid var(--rule);
}
.cd-cell {
  display: flex; flex-direction: column; gap: 4px;
}
.cd-num {
  font-family: "Cormorant Garamond", serif;
  font-weight: 400;
  font-size: 48px;
  color: var(--ink);
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  line-height: 1.0;
}
.cd-lab {
  font-family: "Inter", sans-serif;
  font-size: 10px;
  letter-spacing: 0.32em;
  color: var(--ink-mute);
  text-transform: uppercase;
  font-weight: 500;
}

.hero-cta {
  margin-top: 44px;
  display: flex; gap: 32px; align-items: center; flex-wrap: wrap;
}
.btn-big {
  padding: 16px 36px;
  background: var(--ink);
  color: var(--paper);
  font-family: "Inter", sans-serif;
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-weight: 500;
  transition: background .25s, transform .2s;
}
.btn-big:hover { background: var(--accent); transform: translateY(-2px); }
.btn-text {
  font-family: "Inter", sans-serif;
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 4px;
  text-transform: uppercase;
  font-weight: 500;
}

/* INTRO */
.intro { padding: 120px 0 96px; background: var(--paper-soft); }
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
}
.intro-l h2 {
  font-family: "Cormorant Garamond", serif;
  font-weight: 400;
  font-size: clamp(40px, 6vw, 84px);
  line-height: 0.98;
  letter-spacing: -0.02em;
}
.intro-r p { font-family: "Shippori Mincho", serif; font-size: 15px; line-height: 2.1; color: var(--ink-mute); margin-bottom: 22px; }
.intro-r .curator {
  margin-top: 28px;
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-size: 18px;
  color: var(--accent);
}
@media (max-width: 820px) { .intro-grid { grid-template-columns: 1fr; gap: 32px; } }

/* SEC-HEAD */
.sec-head { margin-bottom: 64px; padding-bottom: 24px; border-bottom: 1px solid var(--ink); display: flex; justify-content: space-between; align-items: end; flex-wrap: wrap; gap: 16px; }
.sec-head h2 {
  font-family: "Cormorant Garamond", serif;
  font-weight: 400;
  font-size: clamp(40px, 6vw, 76px);
  line-height: 0.95;
  letter-spacing: -0.02em;
}
.sec-head .eb { margin-bottom: 0; }

/* ARTISTS */
.artists { padding: 120px 0 96px; }
.ar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.ar-card {
  padding: 28px 0;
  border-top: 1px solid var(--ink);
  transition: padding-left .25s, border-top-color .25s;
}
.ar-card:hover { padding-left: 16px; border-top-color: var(--accent); }
.ar-num {
  font-family: "Inter", sans-serif;
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--accent);
  font-weight: 500;
}
.ar-card h3 {
  margin-top: 14px;
  font-family: "Cormorant Garamond", serif;
  font-weight: 500;
  font-size: 30px;
  letter-spacing: -0.01em;
  line-height: 1.15;
}
.ar-tag {
  margin-top: 6px;
  font-family: "Inter", sans-serif;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mute);
  text-transform: uppercase;
}
.ar-bio {
  margin-top: 16px;
  font-family: "Shippori Mincho", serif;
  font-size: 13px;
  line-height: 1.95;
  color: var(--ink-mute);
}
.ar-more h3 { color: var(--accent); font-style: italic; }
@media (max-width: 820px) { .ar-grid { grid-template-columns: 1fr; gap: 12px; } }

/* WORKS */
.works { padding: 120px 0 96px; background: var(--paper-soft); }
.wk-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.4fr;
  grid-template-rows: 320px 320px;
  gap: 14px;
}
.wk-fig {
  background-size: cover; background-position: center;
  background-color: var(--ink);
  position: relative;
  overflow: hidden;
}
.wk-fig::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(14,14,14,0.7) 100%);
}
.wk-cap {
  position: absolute; bottom: 18px; left: 18px; right: 18px; z-index: 2;
  font-family: "Inter", sans-serif;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--paper);
  line-height: 1.7;
}
.wk-1 { grid-column: 1 / 3; grid-row: 1; background-image: url("https://images.unsplash.com/photo-1577083552431-6e5fd75a9160?auto=format&fit=crop&w=1400&q=80"); }
.wk-2 { grid-column: 3; grid-row: 1; background-image: url("https://images.unsplash.com/photo-1545987796-200677ee1011?auto=format&fit=crop&w=900&q=80"); }
.wk-3 { grid-column: 4; grid-row: 1; background-image: url("https://images.unsplash.com/photo-1578321272176-b7bbc0679853?auto=format&fit=crop&w=900&q=80"); }
.wk-4 { grid-column: 1 / 5; grid-row: 2; background-image: url("https://images.unsplash.com/photo-1554907984-15263bfd63bd?auto=format&fit=crop&w=2000&q=80"); }
.wk-note { margin-top: 28px; font-family: "Shippori Mincho", serif; font-size: 13px; color: var(--ink-mute); text-align: center; }
@media (max-width: 820px) {
  .wk-grid { grid-template-columns: 1fr 1fr; grid-template-rows: repeat(3, 220px); }
  .wk-1 { grid-column: 1 / 3; grid-row: 1; }
  .wk-2 { grid-column: 1; grid-row: 2; }
  .wk-3 { grid-column: 2; grid-row: 2; }
  .wk-4 { grid-column: 1 / 3; grid-row: 3; }
}

/* PROGRAM */
.program { padding: 120px 0 96px; }
.pg-list { list-style: none; }
.pg-row {
  display: grid;
  grid-template-columns: 130px 1fr 200px;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
  transition: padding-left .25s, background .25s;
}
.pg-row:hover { padding-left: 24px; background: var(--paper-soft); }
.pg-date {
  font-family: "Cormorant Garamond", serif;
  font-size: 26px;
  font-weight: 500;
  color: var(--accent);
}
.pg-date small {
  display: block;
  font-family: "Inter", sans-serif;
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--mute);
  margin-top: 4px;
  font-weight: 500;
}
.pg-name { font-family: "Shippori Mincho", serif; font-size: 16px; }
.pg-time {
  font-family: "Inter", sans-serif;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-mute);
  text-align: right;
  font-weight: 500;
}
@media (max-width: 700px) {
  .pg-row { grid-template-columns: 1fr; gap: 8px; }
  .pg-time { text-align: left; }
}

/* TICKET */
.ticket { padding: 120px 0 96px; background: var(--paper-soft); }
.tk-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.tk-card {
  padding: 32px 24px;
  background: var(--paper);
  border-top: 3px solid var(--ink);
  position: relative;
  transition: transform .3s, border-color .3s;
}
.tk-card:hover { transform: translateY(-4px); border-color: var(--accent); }
.tk-feature { background: var(--ink); color: var(--paper); border-color: var(--accent); }
.tk-feature h3, .tk-feature .tk-amt { color: var(--paper); }
.tk-feature .tk-desc { color: rgba(251,250,247,0.72); }
.tk-feature .tk-tag { color: rgba(251,250,247,0.55); }
.tk-badge {
  position: absolute; top: -10px; right: 24px;
  padding: 4px 14px;
  background: var(--accent);
  color: var(--paper);
  font-family: "Inter", sans-serif;
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.tk-tag {
  font-family: "Inter", sans-serif;
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--mute);
  text-transform: uppercase;
}
.tk-card h3 {
  margin-top: 14px;
  font-family: "Cormorant Garamond", serif;
  font-weight: 500;
  font-size: 24px;
  line-height: 1.2;
}
.tk-amt {
  margin: 18px 0 18px;
  font-family: "Cormorant Garamond", serif;
  font-weight: 400;
  font-size: 44px;
  color: var(--ink);
}
.tk-desc {
  font-family: "Shippori Mincho", serif;
  font-size: 13px;
  line-height: 1.85;
  color: var(--ink-mute);
}
.tk-note { margin-top: 32px; font-size: 12px; color: var(--ink-mute); text-align: center; letter-spacing: 0.06em; }
@media (max-width: 820px) { .tk-grid { grid-template-columns: 1fr 1fr; } }

/* ACCESS */
.access { padding: 120px 0 96px; }
.access-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: start;
}
.access h2 {
  font-family: "Cormorant Garamond", serif;
  font-weight: 500;
  font-size: clamp(32px, 4.2vw, 48px);
  letter-spacing: -0.01em;
  margin-bottom: 28px;
}
.access dl dt {
  font-family: "Inter", sans-serif;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--accent);
  text-transform: uppercase;
  font-weight: 500;
  margin-top: 16px;
}
.access dl dd { font-family: "Shippori Mincho", serif; font-size: 14px; color: var(--ink); line-height: 1.95; padding-top: 4px; }
.ac-map {
  aspect-ratio: 4/5;
  background: var(--ink);
  position: relative;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  gap: 10px;
  color: var(--paper);
}
.ac-map::before {
  content: ''; position: absolute; inset: 16px;
  border: 1px solid rgba(251,250,247,0.18);
}
.mp-eb { font-family: "Inter", sans-serif; font-size: 11px; letter-spacing: 0.32em; color: var(--accent-yellow); text-transform: uppercase; font-weight: 500; }
.mp-jp { font-family: "Cormorant Garamond", serif; font-size: 26px; font-style: italic; }
.mp-en { font-family: "Inter", sans-serif; font-size: 12px; letter-spacing: 0.18em; color: rgba(251,250,247,0.7); font-weight: 400; }
.mp-dot {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 14px; height: 14px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 8px rgba(222,58,47,0.22);
  animation: mapPulse 2.4s ease-in-out infinite;
}
@keyframes mapPulse {
  0%, 100% { box-shadow: 0 0 0 8px rgba(222,58,47,0.22); }
  50% { box-shadow: 0 0 0 22px rgba(222,58,47,0); }
}
@media (max-width: 820px) {
  .access-grid { grid-template-columns: 1fr; gap: 32px; }
  .ac-map { aspect-ratio: 4/3; }
}

/* FOOTER */
.ft {
  padding: 32px 0;
  border-top: 1px solid var(--rule);
  background: var(--paper);
}
.ft-in {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  font-family: "Inter", sans-serif;
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--ink-mute);
  text-transform: uppercase;
  font-weight: 400;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}