:root {
  --bg: #0b1420;
  --bg2: #132437;
  --panel: rgba(248, 241, 227, .06);
  --panel2: rgba(15, 26, 38, .72);
  --ink: #f8f1e3;
  --muted: #b8c4ce;
  --line: rgba(248, 241, 227, .16);
  --accent: #2f6f9f;
  --accent2: #214f73;
  --gold: #c8a45a;
  --ok: #77b88a;
  --danger: #d07373;
  --wrap: min(1160px, calc(100% - 44px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: "Noto Sans JP", "Yu Gothic", "Yu Gothic UI", "Hiragino Kaku Gothic ProN", system-ui, sans-serif;
  line-height: 1.85;
  background:
    radial-gradient(circle at 18% 4%, rgba(47, 111, 159, .28), transparent 32%),
    radial-gradient(circle at 84% 0%, rgba(200, 164, 90, .14), transparent 35%),
    linear-gradient(rgba(248, 241, 227, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(248, 241, 227, .028) 1px, transparent 1px),
    linear-gradient(180deg, var(--bg2) 0%, var(--bg) 58%, #07101a 100%);
  background-size: auto, auto, 170px 170px, 170px 170px, auto;
}

a { color: inherit; text-decoration: none; }
.wrap { width: var(--wrap); margin: 0 auto; }
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(9, 18, 29, .9);
  backdrop-filter: blur(16px);
}
.nav-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}
.brand { font-weight: 900; letter-spacing: .20em; }
.brand span { margin-left: 14px; color: var(--muted); font-size: 11px; letter-spacing: .16em; }
.links { display: flex; gap: 18px; align-items: center; font-size: 12px; font-weight: 900; letter-spacing: .06em; }
.links a { color: rgba(248, 241, 227, .86); }
.hero { padding: 96px 0 70px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, .78fr); gap: 48px; align-items: center; }
.eyebrow { color: var(--gold); font-size: 12px; font-weight: 900; letter-spacing: .24em; text-transform: uppercase; }
h1, h2, h3 { color: var(--ink); line-height: 1.22; }
h1 {
  margin: 16px 0 22px;
  font-family: Georgia, "Times New Roman", "Noto Serif JP", serif;
  font-size: clamp(42px, 6vw, 82px);
  letter-spacing: -.045em;
}
h2 { margin: 0 0 16px; font-size: clamp(28px, 3.8vw, 46px); }
h3 { margin: 0 0 10px; font-size: 20px; }
p { margin: 0; }
.lead { color: rgba(248, 241, 227, .9); font-size: clamp(17px, 1.45vw, 21px); max-width: 780px; }
.muted { color: var(--muted); }
.section { padding: 74px 0; border-top: 1px solid var(--line); }
.card, .mini-card, .price-card {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 0 28px 70px rgba(0, 0, 0, .22);
}
.card { padding: clamp(28px, 5vw, 54px); }
.mini-card, .price-card { padding: 24px; background: var(--panel2); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.stack { display: grid; gap: 16px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border: 1px solid rgba(248, 241, 227, .24);
  font-weight: 900;
  letter-spacing: .05em;
}
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.dark { background: #07101a; border-color: #07101a; color: var(--ink); }
.badge { display: inline-flex; padding: 4px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--gold); font-size: 12px; font-weight: 900; }
ul { margin: 12px 0 0; padding-left: 1.25em; color: var(--muted); }
li { margin: 7px 0; }
.price { margin: 12px 0 2px; font-size: 34px; font-weight: 900; }
.price small { color: var(--muted); font-size: 14px; font-weight: 700; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); background: rgba(15, 26, 38, .55); }
table { width: 100%; border-collapse: collapse; min-width: 820px; }
th, td { padding: 14px 16px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--gold); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
td { color: var(--muted); }
td strong { color: var(--ink); }
.ok { color: var(--ok); font-weight: 900; }
.no { color: var(--danger); font-weight: 900; }
.notice {
  margin-top: 24px;
  padding: 18px;
  border-left: 4px solid var(--gold);
  background: rgba(200, 164, 90, .10);
  color: var(--muted);
}
.legal-list { display: flex; flex-wrap: wrap; gap: 12px 18px; margin-top: 18px; color: var(--muted); font-size: 13px; }
.legal-list a { text-decoration: underline; }
.page { padding: 72px 0 96px; }
.doc h1 { font-size: clamp(34px, 5vw, 58px); }
.doc h2 { margin-top: 34px; font-size: 24px; }
.doc p, .doc li { color: var(--muted); }
footer { padding: 42px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }

@media (max-width: 860px) {
  .hero-grid, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .links { display: none; }
  .brand span { display: block; margin: 4px 0 0; }
}