/* OMNI TOKYO — one-page site
   Ink 100 (#000) on Paper (#fff). No bold. Sentence case. Plenty of empty space. */

:root {
  --ink: #000000;
  --ink-60: rgba(0, 0, 0, 0.6);
  --ink-35: rgba(0, 0, 0, 0.35);
  --ink-15: rgba(0, 0, 0, 0.15);
  --paper: #ffffff;
  --serif: 'Cormorant Garamond', 'Shippori Mincho', serif;
  --max: 860px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }

/* Fixed header with anchor nav */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px clamp(16px, 3vw, 32px);
  background: rgba(255, 255, 255, 0.82);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.site-header__brand {
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.4vw, 32px);
}

.site-nav__link {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink-60);
  text-decoration: none;
  transition: color 0.2s ease;
  white-space: nowrap;
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
  color: var(--ink);
}

.site-header__right {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Language toggle */

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.4em;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink);
  padding: 8px;
}

.lang-toggle__option {
  opacity: 0.35;
  transition: opacity 0.2s ease;
}

.lang-toggle__sep {
  opacity: 0.25;
}

html[data-lang="ja"] .lang-toggle__option[data-lang-option="ja"],
html[data-lang="en"] .lang-toggle__option[data-lang-option="en"] {
  opacity: 1;
}

/* Mobile menu */

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}

.menu-toggle__bar {
  display: block;
  height: 1px;
  background: var(--ink);
}

.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--paper);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.menu-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.menu-overlay__nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(24px, 5vh, 40px);
}

.menu-overlay__link {
  font-size: 21px;
  font-style: italic;
  color: var(--ink);
  text-decoration: none;
}

.menu-close {
  position: absolute;
  top: 14px;
  right: 18px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 300;
  color: var(--ink);
}

@media (max-width: 860px) {
  .site-nav {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

/* Hero — the mark, centered, nothing else */

.hero {
  position: relative;
  overflow: hidden;
  min-height: 100svh;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}

@media (max-width: 600px) {
  .hero {
    min-height: auto;
    padding: 64px 32px;
  }
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.hero__ghost {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 1;
  width: clamp(480px, 78vw, 920px);
  height: auto;
  opacity: 0.032;
  pointer-events: none;
  user-select: none;
  transform: translate(-50%, -50%) scale(1);
  animation: hero-ghost-breathe 16s ease-in-out infinite alternate;
}

@media (max-width: 600px) {
  .hero__ghost {
    width: clamp(300px, 88vw, 420px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__ghost {
    animation: none;
  }
}

@keyframes hero-ghost-breathe {
  from {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.024;
  }
  to {
    transform: translate(-50%, -50%) scale(1.045);
    opacity: 0.045;
  }
}

.hero__content {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  animation:
    hero-reveal 1.8s cubic-bezier(0.16, 1, 0.3, 1) 0.15s both,
    hero-drift 8s ease-in-out 2.2s infinite alternate;
}

@keyframes hero-reveal {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__content {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

.hero__lockup {
  width: clamp(220px, 30vw, 420px);
  height: auto;
}

/* Brand core */

.core {
  padding: clamp(72px, 14vh, 160px) 24px;
}

.core__inner {
  max-width: var(--max);
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 clamp(20px, 4vw, 32px);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  color: var(--ink);
}

.headline {
  margin: 0 0 clamp(24px, 4vw, 36px);
  font-weight: 500;
  font-style: italic;
  font-size: clamp(30px, 5.2vw, 56px);
  line-height: 1.3;
  letter-spacing: 0.01em;
  text-align: center;
}

@media (max-width: 400px) {
  .headline {
    font-size: 26px;
  }
}

@media (max-width: 340px) {
  .headline {
    font-size: 22px;
  }
}

.lede {
  max-width: 620px;
  margin: 0 auto clamp(48px, 8vw, 88px);
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.85;
  text-align: center;
  color: var(--ink-60);
}

.intersection {
  margin: 0 0 clamp(40px, 6vw, 64px);
  padding: clamp(20px, 3vw, 28px) 0;
  border-top: 1px solid var(--ink-15);
  border-bottom: 1px solid var(--ink-15);
  font-size: clamp(11px, 1.3vw, 13px);
  letter-spacing: 0.05em;
  text-align: center;
  color: var(--ink-35);
}

/* Footer */

.footer {
  padding: clamp(32px, 6vw, 56px) 24px clamp(40px, 8vw, 72px);
  text-align: center;
}

.footer__link {
  display: inline-block;
  margin: 0 0 clamp(14px, 2.4vw, 18px);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ink-60);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.footer__link:hover,
.footer__link:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink-35);
}

.footer__contact {
  margin: 0 0 clamp(14px, 2.4vw, 18px);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-45);
}

.footer__contact a {
  color: var(--ink-60);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.footer__contact a:hover,
.footer__contact a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink-35);
}

.footer__copy {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-35);
}

/* Scroll reveal — one quiet entrance per element, never repeated */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.pillars .pillar:nth-child(1) { transition-delay: 0s; }
.pillars .pillar:nth-child(2) { transition-delay: 0.07s; }
.pillars .pillar:nth-child(3) { transition-delay: 0.14s; }
.pillars .pillar:nth-child(4) { transition-delay: 0.21s; }

.board-grid .member:nth-child(1) { transition-delay: 0s; }
.board-grid .member:nth-child(2) { transition-delay: 0.07s; }
.board-grid .member:nth-child(3) { transition-delay: 0.14s; }
.board-grid .member:nth-child(4) { transition-delay: 0.21s; }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    transition: none;
    opacity: 1;
    transform: none;
  }
}

/* Generic page sections */

.section {
  padding: clamp(72px, 12vh, 140px) 24px;
  scroll-margin-top: 64px;
}

.section__inner {
  max-width: var(--max);
  margin: 0 auto;
}

.core.section {
  scroll-margin-top: 64px;
}

.lede--org {
  margin-bottom: clamp(40px, 7vw, 72px);
}

.section-intro {
  max-width: 620px;
  margin: 0 auto clamp(48px, 8vw, 80px);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.95;
  text-align: center;
  color: var(--ink-60);
}

.section-intro--wide {
  max-width: 680px;
}

/* Below ~390px a forced sentence-break can force an ugly second wrap;
   let it flow naturally instead. */
@media (max-width: 400px) {
  .section-intro br.soft-break {
    display: none;
  }
}

/* Organization facts */

.org-facts {
  max-width: 680px;
  margin: clamp(40px, 7vw, 64px) auto 0;
}

.org-facts dl {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 16px 28px;
  margin: 0;
  padding-top: clamp(28px, 5vw, 40px);
  border-top: 1px solid var(--ink-15);
}

.org-facts dt {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink-35);
}

.org-facts dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-60);
}

@media (max-width: 520px) {
  .org-facts dl {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .org-facts dt {
    margin-top: 14px;
  }
}

/* Program pillars */

.pillars {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ink-15);
}

.pillar {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 6px clamp(20px, 4vw, 44px);
  padding: clamp(26px, 4vw, 40px) 0;
  border-bottom: 1px solid var(--ink-15);
}

.pillar__no {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--ink-35);
  font-variant-numeric: tabular-nums;
  padding-top: 6px;
}

.pillar__title {
  margin: 0 0 12px;
  font-weight: 500;
  font-style: italic;
  font-size: clamp(19px, 2.2vw, 24px);
  line-height: 1.5;
  letter-spacing: 0.01em;
}

.pillar__desc {
  margin: 0;
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.95;
  color: var(--ink-60);
}

.pillar__note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-35);
}

@media (max-width: 480px) {
  .pillar {
    grid-template-columns: 1fr;
    gap: 2px;
  }
  .pillar__no {
    padding-top: 0;
  }
}

/* Board */

.board-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(36px, 6vw, 56px) clamp(32px, 6vw, 72px);
}

.member__role {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-35);
}

.member__name {
  margin: 0 0 10px;
  font-weight: 500;
  font-size: clamp(19px, 2vw, 22px);
}

.member__bio {
  margin: 0;
  font-size: 14px;
  line-height: 1.95;
  color: var(--ink-60);
}

.board-sub {
  margin: clamp(56px, 9vw, 88px) 0 clamp(28px, 5vw, 40px);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  color: var(--ink);
}

/* Global network */

.quote {
  margin: clamp(40px, 7vw, 64px) auto;
  max-width: 680px;
  text-align: center;
}

.quote__text {
  margin: 0 0 14px;
  font-weight: 500;
  font-style: italic;
  font-size: clamp(20px, 2.6vw, 30px);
  line-height: 1.6;
}

.quote__attr {
  font-style: normal;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink-35);
}

.global-link {
  margin: 0;
  text-align: center;
}

.global-link a {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--ink-60);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.global-link a:hover,
.global-link a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink-35);
}

/* News */

.news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ink-15);
}

.news-item {
  border-bottom: 1px solid var(--ink-15);
}

.news-item a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px clamp(20px, 4vw, 44px);
  padding: clamp(18px, 2.6vw, 24px) 4px;
  color: inherit;
  text-decoration: none;
}

.news-item time {
  flex: 0 0 auto;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink-35);
  font-variant-numeric: tabular-nums;
}

.news-item span {
  flex: 1 1 300px;
  font-size: clamp(14px, 1.5vw, 15.5px);
  line-height: 1.8;
  color: var(--ink-60);
  transition: color 0.2s ease;
}

.news-item a:hover span,
.news-item a:focus-visible span {
  color: var(--ink);
}

/* News article page */

.article {
  max-width: 680px;
  margin: 0 auto;
  padding: clamp(120px, 20vh, 170px) 24px clamp(56px, 9vw, 88px);
}

.article__date {
  display: block;
  margin: 0 0 14px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink-35);
  font-variant-numeric: tabular-nums;
}

.article__title {
  margin: 0 0 clamp(28px, 5vw, 44px);
  font-weight: 500;
  font-style: italic;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.55;
  letter-spacing: 0.01em;
}

.article__body p {
  margin: 0 0 1.6em;
  font-size: clamp(14.5px, 1.5vw, 16px);
  line-height: 2.05;
  color: var(--ink-60);
}

.article__back {
  display: inline-block;
  margin-top: clamp(28px, 5vw, 40px);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink-60);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.article__back:hover,
.article__back:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink-35);
}

.board-grid--partners {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  column-gap: clamp(28px, 4vw, 48px);
}

/* Global network stats */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(24px, 4vw, 40px);
  max-width: 780px;
  margin: 0 auto clamp(20px, 3vw, 28px);
  padding: clamp(28px, 5vw, 44px) 0;
  border-top: 1px solid var(--ink-15);
  border-bottom: 1px solid var(--ink-15);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
}

.stat__value {
  font-size: clamp(26px, 3.2vw, 40px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}

.stat__label {
  font-size: 12.5px;
  letter-spacing: 0.05em;
  line-height: 1.6;
  color: var(--ink-35);
}

.stats-note {
  margin: 0 0 clamp(10px, 2vw, 14px);
  font-size: 12px;
  line-height: 1.8;
  text-align: center;
  color: var(--ink-35);
}

.global-cities {
  margin: 0 0 10px;
  font-size: 12.5px;
  letter-spacing: 0.05em;
  text-align: center;
  color: var(--ink-35);
}

.global-cities--next {
  margin-bottom: clamp(40px, 7vw, 64px);
}

.section-intro--jury {
  margin-bottom: 0;
}

@media (max-width: 640px) {
  .stats {
    grid-template-columns: repeat(2, 1fr);
    gap: clamp(28px, 6vw, 36px) 16px;
  }
}

/* Hero quiet drift (after the initial reveal settles) */

@keyframes hero-drift {
  from { transform: translateY(0); }
  to { transform: translateY(-7px); }
}