:root {
  --event-navy: #0b1f37;
  --event-blue: #123553;
  --event-red: #b5243e;
  --event-gold: #d8ad72;
  --event-ink: #17202a;
  --event-muted: #6a7178;
  --event-paper: #fbfaf6;
  --event-cream: #f0eee7;
  --event-line: rgba(11, 31, 55, .13);
  --event-container: min(1160px, calc(100% - 48px));
  --event-serif: 'Noto Serif JP', 'Yu Mincho', serif;
}

html { scroll-behavior: smooth; scroll-padding-top: 104px; }

body.event-page {
  margin: 0;
  overflow-x: hidden;
  background: var(--event-paper);
  color: var(--event-ink);
  font-family: 'Noto Sans JP', sans-serif;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

.event-page *,
.event-page *::before,
.event-page *::after { box-sizing: border-box; }

.event-page a { color: inherit; }
.event-container { width: var(--event-container); margin-inline: auto; }

.event-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 18%, rgba(216, 173, 114, .19), transparent 27%),
    radial-gradient(circle at 8% 90%, rgba(181, 36, 62, .13), transparent 29%),
    linear-gradient(140deg, #071526, #0c2947 62%, #153651);
  color: #fff;
}

.event-hero::before {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size: 54px 54px;
  content: '';
  pointer-events: none;
}

.event-hero__inner {
  position: relative;
  display: grid;
  width: var(--event-container);
  min-height: min(660px, calc(100vh - 70px));
  margin-inline: auto;
  padding: clamp(68px, 8vw, 96px) 0;
  align-items: center;
  grid-template-columns: minmax(0, 1.35fr) minmax(270px, .65fr);
  gap: clamp(52px, 9vw, 118px);
}

.event-breadcrumb {
  display: flex;
  margin: 0 0 42px;
  gap: 10px;
  color: rgba(255,255,255,.55);
  font-size: 11px;
}

.event-breadcrumb a { text-decoration: none; }
.event-kicker, .event-heading > div > p, .event-join__inner > div > p {
  margin: 0 0 11px;
  color: var(--event-red);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .2em;
}

.event-kicker { color: #e6bf87; }

.event-hero h1 {
  max-width: 800px;
  margin: 0;
  font-family: var(--event-serif);
  font-size: clamp(40px, 6.5vw, 78px);
  font-weight: 900;
  letter-spacing: -.055em;
  line-height: 1.35;
}

.event-hero h1 em { color: #e6bf87; font-style: normal; }

.event-hero__copy > p:last-of-type {
  max-width: 680px;
  margin: 28px 0 32px;
  color: rgba(255,255,255,.72);
  font-size: clamp(14px, 1.5vw, 17px);
  line-height: 2;
}

.event-hero__link {
  display: inline-flex;
  min-height: 48px;
  padding: 11px 20px;
  align-items: center;
  gap: 20px;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 999px;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
}

.event-hero__note {
  padding: clamp(28px, 4vw, 46px);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 3px 28px 3px 28px;
  background: rgba(255,255,255,.075);
  backdrop-filter: blur(14px);
}

.event-hero__note span { color: #e6bf87; font-size: 9px; font-weight: 800; letter-spacing: .18em; }
.event-hero__note strong { display: block; margin: 22px 0 25px; font-family: Georgia, serif; font-size: clamp(40px, 5vw, 62px); font-weight: 400; letter-spacing: -.04em; line-height: .98; }
.event-hero__note p { margin: 0; color: rgba(255,255,255,.64); font-size: 12px; }

.event-current, .event-annual, .event-archive { padding: clamp(64px, 7vw, 88px) 0; }
.event-current { background: var(--event-paper); }
.event-annual { background: var(--event-cream); }
.event-archive { background: var(--event-navy); color: #fff; }

.event-heading {
  display: grid;
  margin-bottom: clamp(30px, 4vw, 44px);
  align-items: end;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  gap: clamp(32px, 5vw, 54px);
}

.event-heading h2, .event-join h2 {
  margin: 0;
  color: var(--event-navy);
  font-family: var(--event-serif);
  font-size: clamp(30px, 4.2vw, 50px);
  letter-spacing: -.04em;
  line-height: 1.45;
}

.event-heading > p { margin: 0; color: var(--event-muted); font-size: 13px; }
.event-heading--light h2 { color: #fff; }
.event-heading--light > p { color: rgba(255,255,255,.58); }
.event-heading--light > div > p { color: var(--event-gold); }

.event-feature-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  grid-template-rows: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.event-feature-card {
  position: relative;
  display: grid;
  min-height: 207px;
  overflow: hidden;
  border-radius: 4px 25px 4px 25px;
  background: #17334e;
  color: #fff;
  isolation: isolate;
  text-decoration: none;
}

.event-feature-card:first-child { min-height: 430px; grid-row: span 2; }
.event-feature-card img { position: absolute; z-index: -2; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 42%; transition: transform .45s ease; }
.event-feature-card:first-child img { object-position: 50% 64%; }
.event-feature-card:hover img { transform: scale(1.035); }
.event-feature-card::after { position: absolute; z-index: -1; inset: 0; background: linear-gradient(to top, rgba(5,14,25,.96), rgba(5,14,25,.37) 60%, transparent); content: ''; }
.event-feature-card__body { align-self: end; padding: clamp(22px, 3vw, 32px); }
.event-feature-card__tag { display: inline-block; margin-bottom: 14px; color: #edc995; font-size: 9px; font-weight: 800; letter-spacing: .16em; }
.event-feature-card h3 { margin: 0; font-family: var(--event-serif); font-size: clamp(21px, 2.6vw, 31px); line-height: 1.4; }
.event-feature-card p { margin: 10px 0 16px; color: rgba(255,255,255,.7); font-size: 12px; }
.event-feature-card small { color: rgba(255,255,255,.58); font-size: 10px; }

.event-annual-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.event-annual-card {
  display: grid;
  min-height: 220px;
  padding: 27px;
  border: 1px solid var(--event-line);
  border-radius: 3px 22px 3px 22px;
  background: rgba(255,255,255,.72);
  color: var(--event-navy);
  text-decoration: none;
}
.event-annual-card span { color: var(--event-red); font-size: 9px; font-weight: 800; letter-spacing: .14em; }
.event-annual-card h3 { margin: auto 0 12px; font-family: var(--event-serif); font-size: 25px; }
.event-annual-card p { margin: 0; color: var(--event-muted); font-size: 12px; }

.event-filter { display: flex; overflow-x: auto; margin: -20px 0 38px; gap: 8px; scrollbar-width: none; }
.event-filter::-webkit-scrollbar { display: none; }
.event-filter button { flex: 0 0 auto; padding: 7px 14px; border: 1px solid rgba(255,255,255,.2); border-radius: 999px; background: transparent; color: rgba(255,255,255,.7); font: inherit; font-size: 11px; cursor: pointer; }
.event-filter button[aria-pressed="true"] { border-color: #e6bf87; background: #e6bf87; color: #0b1f37; font-weight: 800; }

.event-archive-list { border-top: 1px solid rgba(255,255,255,.16); }
.event-archive-row {
  display: grid;
  min-height: 150px;
  padding: 22px 0;
  align-items: center;
  grid-template-columns: 90px minmax(0, 1fr) minmax(180px, .45fr) 22px;
  gap: 28px;
  border-bottom: 1px solid rgba(255,255,255,.16);
  color: #fff;
  text-decoration: none;
  transition: padding .2s ease, background .2s ease;
}
.event-archive-row:hover { padding-inline: 15px; background: rgba(255,255,255,.035); }
.event-archive-row__date { color: #e6bf87; font-family: Georgia, serif; font-size: 16px; }
.event-archive-row h3 { margin: 0 0 6px; font-family: var(--event-serif); font-size: clamp(19px, 2.4vw, 27px); }
.event-archive-row p { margin: 0; color: rgba(255,255,255,.62); font-size: 12px; }
.event-archive-row img { width: 100%; height: 96px; border-radius: 3px 14px 3px 14px; object-fit: cover; }

.event-empty { grid-column: 1 / -1; margin: 0; padding: 32px; border: 1px dashed currentColor; border-radius: 16px; color: var(--event-muted); font-size: 13px; text-align: center; opacity: .8; }
.event-archive .event-empty { color: rgba(255,255,255,.6); }
.event-loading { grid-column: 1 / -1; display: flex; min-height: 240px; align-items: center; justify-content: center; flex-direction: column; gap: 14px; color: var(--event-muted); font-size: 12px; }
.event-loading span { width: 28px; height: 28px; border: 2px solid #dedbd2; border-top-color: var(--event-red); border-radius: 50%; animation: event-spin .8s linear infinite; }
@keyframes event-spin { to { transform: rotate(360deg); } }

.event-join { padding: clamp(60px, 7vw, 84px) 0; background: #dfd7c9; }
.event-join__inner { display: grid; align-items: center; grid-template-columns: 1fr .8fr; gap: 80px; }
.event-join__inner > div:last-child > p { margin: 0 0 22px; color: #5f625f; font-size: 13px; }
.event-join__inner a { display: inline-flex; min-height: 48px; padding: 11px 20px; align-items: center; gap: 18px; border-radius: 999px; background: var(--event-navy); color: #fff; font-size: 12px; font-weight: 700; text-decoration: none; }

@media (max-width: 1100px) {
  .event-heading { grid-template-columns: 1fr; gap: 14px; }
  .event-heading > p { max-width: 680px; }
}

@media (max-width: 900px) {
  .event-hero__inner { min-height: auto; grid-template-columns: 1fr; gap: 45px; }
  .event-hero__note { max-width: 520px; }
  .event-join__inner { grid-template-columns: 1fr; gap: 20px; }
  .event-feature-grid { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
  .event-feature-card { min-height: 280px; }
  .event-feature-card:first-child { min-height: 390px; grid-column: 1 / -1; grid-row: auto; }
  .event-annual-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  :root { --event-container: min(100% - 28px, 1160px); }
  .event-hero__inner { padding: 50px 0 58px; gap: 30px; }
  .event-breadcrumb { margin-bottom: 30px; }
  .event-hero h1 { font-size: clamp(37px, 11vw, 54px); }
  .event-hero__copy > p:last-of-type { font-size: 14px; }
  .event-hero__note { padding: 22px 24px; }
  .event-hero__note strong { margin: 12px 0 13px; font-size: 30px; line-height: 1.08; }
  .event-current, .event-annual, .event-archive { padding: 58px 0; }
  .event-feature-grid,
  .event-annual-grid {
    display: flex;
    width: calc(100% + 14px);
    overflow-x: auto;
    padding: 2px 14px 16px 0;
    gap: 12px;
    scroll-padding-left: 0;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }
  .event-feature-grid::-webkit-scrollbar,
  .event-annual-grid::-webkit-scrollbar { display: none; }
  .event-feature-card,
  .event-feature-card:first-child {
    width: min(82vw, 320px);
    min-width: min(82vw, 320px);
    min-height: 350px;
    scroll-snap-align: start;
  }
  .event-annual-card {
    width: min(78vw, 300px);
    min-width: min(78vw, 300px);
    min-height: 220px;
    scroll-snap-align: start;
  }
  .event-archive-row { min-height: 128px; grid-template-columns: 64px 1fr 18px; gap: 14px; }
  .event-archive-row img { display: none; }
}

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