:root {
  --bg: #f6f8fc;
  --panel: #ffffff;
  --ink: #0d1424;
  --muted: #5c667a;
  --line: #dce3ef;
  --brand: #4f46e5;
  --brand-2: #06b6d4;
  --brand-3: #a855f7;
  --success: #16a34a;
  --warning: #f59e0b;
  --shadow: 0 18px 45px rgba(15, 23, 42, 0.10);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(220, 227, 239, 0.9);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 240px;
}
.brand img { width: 46px; height: 46px; }
.brand strong { display: block; line-height: 1.1; font-size: 1rem; }
.brand span { display: block; font-size: 0.78rem; color: var(--muted); }
.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 5px;
  flex-wrap: wrap;
}
.site-nav a {
  padding: 9px 12px;
  border-radius: 999px;
  font-size: 0.92rem;
  color: #25304a;
}
.site-nav a:hover, .site-nav a.active {
  background: #eef2ff;
  color: var(--brand);
}
.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  padding: 9px 12px;
  font-weight: 700;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 20px;
  border-radius: 999px;
  font-weight: 800;
  border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease;
  cursor: pointer;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-3));
  color: #fff;
  box-shadow: 0 14px 30px rgba(79, 70, 229, 0.28);
}
.btn-secondary {
  background: #fff;
  color: var(--brand);
  border-color: var(--line);
}
.btn-dark {
  background: #0f172a;
  color: #fff;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 82px 0 70px;
  background:
    radial-gradient(circle at 16% 18%, rgba(6, 182, 212, 0.22), transparent 28%),
    radial-gradient(circle at 86% 12%, rgba(168, 85, 247, 0.20), transparent 30%),
    linear-gradient(135deg, #0f172a 0%, #1e1b4b 46%, #312e81 100%);
  color: #fff;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 38px 38px;
  opacity: .3;
}
.hero .container { position: relative; z-index: 1; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr);
  align-items: center;
  gap: 44px;
}
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 999px;
  color: #dbeafe;
  background: rgba(255,255,255,.08);
  font-weight: 700;
  letter-spacing: .02em;
}
h1 {
  font-size: clamp(2.5rem, 6vw, 5.4rem);
  line-height: .95;
  margin: 22px 0 20px;
  letter-spacing: -0.07em;
}
.hero p { font-size: 1.16rem; max-width: 760px; color: #dbe4ff; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.quick-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
}
.fact {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.18);
}
.fact span { display: block; color: #c7d2fe; font-size: .83rem; }
.fact strong { display: block; font-size: 1.02rem; margin-top: 3px; }
.hero-card {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.20);
  border-radius: 30px;
  padding: 28px;
  box-shadow: var(--shadow);
}
.hero-card h3 { font-size: 1.4rem; margin: 0 0 15px; }
.countdown {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 20px 0;
}
.countdown span {
  padding: 16px 10px;
  text-align: center;
  background: #fff;
  color: #111827;
  border-radius: 18px;
  font-size: 2rem;
  font-weight: 900;
}
.countdown small { display: block; color: var(--muted); font-size: .75rem; font-weight: 700; text-transform: uppercase; }
.deadline-box {
  padding: 18px;
  border-radius: 18px;
  background: #fff;
  color: #0f172a;
}
.deadline-box span { color: var(--muted); display: block; }
.deadline-box strong { font-size: 1.1rem; }

.section { padding: 72px 0; }
.section-tight { padding: 44px 0; }
.section-title {
  margin-bottom: 28px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}
.section-title h2, .page-title h1 {
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1;
  margin: 0;
  letter-spacing: -0.055em;
}
.section-title p, .page-title p { color: var(--muted); max-width: 760px; margin: 12px 0 0; }

.page-hero {
  padding: 64px 0;
  background:
    radial-gradient(circle at 10% 5%, rgba(6,182,212,.18), transparent 28%),
    linear-gradient(135deg, #111827, #312e81);
  color: #fff;
}
.page-title p { color: #dbe4ff; font-size: 1.08rem; }
.breadcrumb { color: #c7d2fe; font-weight: 700; margin-bottom: 12px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
}
.card h3 { margin-top: 0; font-size: 1.26rem; line-height: 1.25; }
.card p:last-child, .card ul:last-child, .card ol:last-child { margin-bottom: 0; }
.icon-badge {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: #eef2ff;
  color: var(--brand);
  font-weight: 900;
  margin-bottom: 15px;
}

.info-band {
  background: #0f172a;
  color: #fff;
  border-radius: 32px;
  padding: 34px;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 24px;
  align-items: center;
  overflow: hidden;
  position: relative;
}
.info-band::after {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  right: -80px;
  top: -80px;
  border-radius: 50%;
  background: rgba(6, 182, 212, .24);
}
.info-band > * { position: relative; z-index: 1; }
.info-band p { color: #cbd5e1; }

.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line); background: #fff; }
table { width: 100%; border-collapse: collapse; min-width: 760px; }
th, td { padding: 16px 18px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: #f1f5f9; color: #0f172a; }
tr:last-child td { border-bottom: none; }
.price { font-size: 1.35rem; font-weight: 900; color: var(--brand); }
.badge {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border-radius: 999px;
  background: #ecfeff;
  color: #0e7490;
  font-weight: 800;
  font-size: .78rem;
}
.badge-warning { background: #fff7ed; color: #c2410c; }
.badge-green { background: #dcfce7; color: #166534; }

.timeline { position: relative; }
.timeline-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.timeline-item:last-child { border-bottom: none; }
.timeline-time { font-weight: 900; color: var(--brand); }
.timeline-content strong { display: block; font-size: 1.06rem; }
.timeline-content span { display: block; color: var(--muted); margin-top: 3px; }

.topic-list {
  columns: 2;
  gap: 36px;
  padding-left: 22px;
}
.topic-list li { margin-bottom: 10px; break-inside: avoid; }

.partner-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.partner-card {
  min-height: 136px;
  border: 1px dashed #b7c1d6;
  border-radius: 20px;
  background: #fff;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 18px;
}
.partner-card img { width: 86px; height: 54px; object-fit: contain; margin-bottom: 10px; }
.partner-card strong { display: block; font-size: .92rem; }
.partner-card span { color: var(--muted); font-size: .78rem; }

.notice {
  border-left: 5px solid var(--warning);
  background: #fffbeb;
  color: #713f12;
  padding: 18px 20px;
  border-radius: 16px;
}
.notice strong { color: #7c2d12; }

.form-card label { display: block; font-weight: 800; margin: 13px 0 6px; }
.form-card input, .form-card textarea, .form-card select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 13px 14px;
  font: inherit;
  background: #fff;
}
.form-card textarea { min-height: 140px; resize: vertical; }

.cta {
  padding: 64px 0;
  background: linear-gradient(135deg, #4f46e5, #06b6d4);
  color: #fff;
  text-align: center;
}
.cta h2 { font-size: clamp(2rem, 4vw, 3.5rem); margin: 0 0 12px; letter-spacing: -0.05em; }
.cta p { color: #eef2ff; max-width: 720px; margin: 0 auto 26px; }

.site-footer {
  background: #090e1a;
  color: #cbd5e1;
  padding: 50px 0 22px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, .7fr);
  gap: 28px;
}
.site-footer h4 { color: #fff; margin-top: 0; }
.site-footer a { display: block; color: #cbd5e1; margin: 8px 0; }
.site-footer a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  margin-top: 34px;
  padding-top: 20px;
  color: #94a3b8;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 980px) {
  .hero-grid, .grid-3, .grid-2, .info-band, .footer-grid { grid-template-columns: 1fr; }
  .partner-grid { grid-template-columns: repeat(2, 1fr); }
  .section-title { display: block; }
}
@media (max-width: 760px) {
  .header-inner { align-items: flex-start; }
  .menu-toggle { display: block; }
  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding-top: 10px;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { border: 1px solid var(--line); border-radius: 12px; }
  .header-inner { flex-wrap: wrap; }
  .hero { padding: 58px 0; }
  .quick-facts, .countdown { grid-template-columns: 1fr; }
  .timeline-item { grid-template-columns: 1fr; gap: 4px; }
  .topic-list { columns: 1; }
  .partner-grid { grid-template-columns: 1fr; }
  .container { width: min(100% - 28px, 1180px); }
}


.venue-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; }
.map-frame {
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}
.map-frame iframe { width: 100%; height: 430px; border: 0; display: block; }
.fee-note { color: var(--muted); margin-top: 14px; font-size: .95rem; }
.partner-card { border-style: solid; }
.partner-card img { width: 150px; height: 88px; object-fit: contain; margin-bottom: 12px; }
.partner-card span { min-height: 36px; }