:root {
  --bg: #0b0f1a;
  --panel: #111827;
  --panel-soft: rgba(15, 23, 42, 0.82);
  --line: rgba(148, 163, 184, 0.24);
  --text: #f8fafc;
  --muted: #cbd5e1;
  --brand: #38bdf8;
  --brand-strong: #22c55e;
  --accent: #fbbf24;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: radial-gradient(circle at top, rgba(59, 130, 246, 0.18), transparent 30%), var(--bg);
  color: var(--text);
  font-family: "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
}
body { line-height: 1.7; }
a { color: inherit; }
img { max-width: 100%; display: block; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 100; backdrop-filter: blur(12px);
  background: rgba(2, 6, 23, 0.78); border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 72px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand__mark {
  width: 46px; height: 46px; border-radius: 14px; background: rgba(255, 255, 255, 0.92);
  display: grid; place-items: center; box-shadow: 0 18px 40px rgba(15, 23, 42, 0.35);
}
.brand__mark img { width: 30px; height: 30px; }
.brand__text { font-size: 28px; font-weight: 800; letter-spacing: 0.08em; }
.nav { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.nav a { text-decoration: none; color: #e2e8f0; font-weight: 700; }
.nav .btn { padding: 12px 18px; }
.hero { padding: 48px 0 24px; }
.hero-card {
  position: relative;
  overflow: hidden; border: 1px solid var(--line); border-radius: 32px;
  background: linear-gradient(135deg, rgba(17, 24, 39, 0.9), rgba(2, 6, 23, 0.96));
  box-shadow: 0 28px 90px rgba(2, 6, 23, 0.38);
  height: clamp(240px, 34vw, 420px);
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 2.6vw, 30px);
  pointer-events: none;
}
.hero-logo-image {
  width: min(82%, 920px);
  max-height: 72%;
  height: auto;
  display: block;
  filter: drop-shadow(0 10px 24px rgba(0, 0, 0, 0.4));
  object-fit: contain;
}
.section { padding: 18px 0; }
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card {
  border: 1px solid var(--line); border-radius: 28px; background: var(--panel-soft);
  box-shadow: 0 20px 60px rgba(2, 6, 23, 0.26);
}
.card--padded { padding: 28px; }
.card--accent { background: linear-gradient(145deg, rgba(30, 41, 59, 0.92), rgba(15, 23, 42, 0.98)); }
.eyebrow { color: var(--brand); font-size: 13px; font-weight: 800; letter-spacing: 0.22em; text-transform: uppercase; }
.title-xl { margin: 8px 0 0; font-size: clamp(32px, 5vw, 56px); line-height: 1.15; font-weight: 900; }
.title-lg { margin: 0; font-size: clamp(26px, 3.5vw, 40px); line-height: 1.2; font-weight: 900; }
.title-md { margin: 0; font-size: 26px; line-height: 1.25; font-weight: 800; }
.lede, .muted { color: var(--muted); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; border-radius: 18px;
  border: 1px solid rgba(56, 189, 248, 0.28); background: rgba(56, 189, 248, 0.12);
  padding: 14px 24px; min-height: 52px; text-decoration: none; font-weight: 800; color: #dbeafe;
}
.btn:hover { background: rgba(56, 189, 248, 0.2); }
.btn-primary { background: linear-gradient(135deg, #38bdf8, #22c55e); border-color: transparent; color: #001018; }
.btn-primary:hover { filter: brightness(1.06); }
.btn-secondary { background: rgba(251, 191, 36, 0.14); border-color: rgba(251, 191, 36, 0.36); color: #fde68a; }
.stack > * + * { margin-top: 14px; }
.notice {
  border: 1px solid rgba(251, 191, 36, 0.28); background: rgba(251, 191, 36, 0.08);
  color: #fde68a; border-radius: 22px; padding: 20px 22px;
}
.feature-list, .plain-list { margin: 0; padding-left: 1.2em; }
.feature-list li, .plain-list li { margin-top: 8px; }
.split { display: grid; gap: 24px; grid-template-columns: 1.15fr 0.85fr; }
.price-grid { display: grid; gap: 14px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.price-box {
  border: 1px solid rgba(148, 163, 184, 0.18); border-radius: 22px;
  background: rgba(2, 6, 23, 0.35); padding: 18px;
}
.price-box strong { display: block; margin-top: 8px; font-size: 32px; line-height: 1.1; }
.game-category + .game-category { margin-top: 22px; }
.game-grid { display: grid; gap: 14px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.game-item {
  border: 1px solid rgba(51, 65, 85, 0.8); border-radius: 22px;
  background: rgba(2, 6, 23, 0.44); padding: 16px 18px;
}
.game-item strong { display: block; font-size: 20px; }
.game-item span { color: #94a3b8; font-size: 14px; }
.footer { margin-top: 56px; border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 28px 0 42px; color: #94a3b8; }
.footer__grid { display: grid; gap: 20px; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.footer h4 { color: var(--text); margin: 0 0 12px; }
.footer a { color: #cbd5e1; text-decoration: none; }
.footer a:hover { text-decoration: underline; }
.map-wrap { overflow: hidden; border-radius: 28px; border: 1px solid var(--line); }
.map-wrap iframe { width: 100%; min-height: 420px; border: 0; }
.spacer-top { padding-top: 20px; }
@media (max-width: 900px) {
  .grid-2, .grid-3, .split, .footer__grid, .game-grid, .price-grid { grid-template-columns: 1fr; }
  .brand__text { font-size: 22px; }
  .nav { gap: 12px; justify-content: flex-end; }
  .site-header__inner { align-items: flex-start; flex-direction: column; padding: 12px 0; }
  .hero-card { height: clamp(220px, 48vw, 360px); }
  .hero-logo-image { width: min(88%, 760px); max-height: 68%; }
}