:root {
  --bg: #120e14;
  --bg-2: #1b141b;
  --bg-3: #241b22;
  --ink: #f6eee9;
  --muted: #c9b6b1;
  --line: #3d2e35;
  --hot: #ff3d6e;
  --hot-ink: #fff7f9;
  --gold: #e8c07a;
  --deep: #09070a;
  --ok: #3dd6a0;
  --tap: 48px;
  --max: 40rem;
  --font-display: "Shippori Mincho", "Hiragino Mincho ProN", serif;
  --font-ui: "Noto Sans JP", "Hiragino Sans", sans-serif;
}

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

html { font-size: 17px; scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(900px 380px at 100% -10%, rgba(255, 61, 110, 0.16), transparent 55%),
    radial-gradient(700px 320px at 0% 0%, rgba(232, 192, 122, 0.08), transparent 50%),
    var(--bg);
  font-family: var(--font-ui);
  line-height: 1.75;
  letter-spacing: 0.01em;
}

a { color: var(--gold); }
a:hover { color: var(--hot); }

.skip {
  position: absolute;
  left: -999px;
  top: 0;
}
.skip:focus {
  left: 1rem;
  z-index: 40;
  background: #fff;
  color: #111;
  padding: 0.5rem 1rem;
}

.pr-bar {
  background: var(--deep);
  color: var(--gold);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-align: center;
  padding: 0.5rem 1rem;
}
.pr-bar strong { color: #fff; }

.age-note {
  background: #2a1018;
  color: #ffc0cf;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-align: center;
  padding: 0.35rem 1rem;
  font-weight: 700;
}

.site-header {
  background: var(--bg-2);
  color: var(--ink);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
}

.brand {
  color: inherit;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  min-height: var(--tap);
  justify-content: center;
}
.brand:hover { color: inherit; }
.brand-mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.16em;
}
.brand-kana {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.nav-toggle {
  width: var(--tap);
  height: var(--tap);
  border: 1px solid var(--gold);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 1.15rem;
  height: 1.5px;
  background: currentColor;
}

.nav {
  display: none;
  background: var(--deep);
  padding: 0.5rem 1rem 1rem;
}
.nav.is-open { display: block; }
.nav a {
  display: flex;
  align-items: center;
  min-height: var(--tap);
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(246, 238, 233, 0.08);
  font-size: 0.95rem;
}
.nav a[aria-current="page"] { color: var(--gold); }

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.hero {
  padding: 2.2rem 0 1.5rem;
  border-bottom: 1px solid var(--line);
}
.kicker {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--hot);
  font-weight: 700;
  margin: 0 0 0.7rem;
}
.hero h1,
.page-head h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.65rem, 6.2vw, 2.2rem);
  line-height: 1.35;
  margin: 0 0 1rem;
}
.lede {
  margin: 0 0 1.35rem;
  color: var(--muted);
}

.cta-row {
  display: grid;
  gap: 0.75rem;
}

.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap);
  padding: 0.9rem 1.1rem;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
  text-align: center;
}
.btn-hot {
  background: var(--hot);
  color: var(--hot-ink);
}
.btn-hot:hover {
  background: #e0275a;
  color: var(--hot-ink);
}
.btn-gold {
  background: var(--gold);
  color: #1a120c;
}
.btn-gold:hover {
  background: #d4ad68;
  color: #1a120c;
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--gold);
}
.btn-ghost:hover {
  background: var(--gold);
  color: #1a120c;
}

.note {
  font-size: 0.82rem;
  color: var(--muted);
  margin: 0.9rem 0 0;
}

.section {
  padding: 2rem 0;
  border-bottom: 1px solid var(--line);
}
.section h2 {
  font-family: var(--font-display);
  font-size: 1.32rem;
  margin: 0 0 1rem;
}
.section p { margin: 0 0 1rem; }
.section ol, .section ul { margin: 0 0 1rem; padding-left: 1.2rem; }
.section li { margin: 0 0 0.45rem; }

.cards {
  display: grid;
  gap: 0.85rem;
  padding: 0;
  margin: 0;
  list-style: none;
}
.card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-left: 4px solid var(--hot);
  padding: 1rem 1rem 1.05rem;
  display: grid;
  gap: 0.35rem;
}
.card .num {
  font-family: var(--font-display);
  color: var(--gold);
  font-size: 0.85rem;
  letter-spacing: 0.14em;
}
.card h3 { margin: 0; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.92rem; }
.card a {
  display: inline-flex;
  align-items: center;
  min-height: 2.6rem;
  font-weight: 700;
  text-decoration: none;
}

.compare {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  background: var(--bg-2);
}
.compare th, .compare td {
  border: 1px solid var(--line);
  padding: 0.85rem 0.75rem;
  text-align: left;
  vertical-align: top;
}
.compare th {
  background: #2a1018;
  color: var(--gold);
  font-weight: 700;
  width: 34%;
}

.page-head { padding: 2rem 0 0.4rem; }
.muted { color: var(--muted); }

.legal { font-size: 0.92rem; }
.legal h2 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 1.6rem 0 0.6rem;
}

.site-footer {
  background: var(--deep);
  color: #c9b6b1;
  padding: 2rem 0 2.6rem;
  font-size: 0.86rem;
}
.site-footer a { color: #efe6d6; }
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.1rem;
  margin: 0 0 1rem;
}
.footer-nav a {
  min-height: 2.5rem;
  display: inline-flex;
  align-items: center;
}
.disclaimer { margin: 0 0 0.45rem; line-height: 1.7; }

.article p { margin: 0 0 1rem; }
.article h2 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 1.7rem 0 0.7rem;
}

#age-gate {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(9, 7, 10, 0.96);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}
html.age-ok #age-gate { display: none; }
html.age-ok body { overflow: auto; }
html:not(.age-ok) body { overflow: hidden; }

.age-card {
  width: min(100%, 26rem);
  background: var(--bg-2);
  border: 1px solid var(--gold);
  padding: 1.5rem 1.25rem 1.35rem;
}
.age-card h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin: 0 0 0.8rem;
}
.age-card p { color: var(--muted); margin: 0 0 1rem; }
.age-actions { display: grid; gap: 0.7rem; }
.age-actions button {
  min-height: var(--tap);
  border: 0;
  background: var(--hot);
  color: var(--hot-ink);
  font-weight: 700;
  font-size: 1rem;
  font-family: inherit;
  cursor: pointer;
}
.age-actions a {
  min-height: var(--tap);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
}

@media (min-width: 720px) {
  .nav-toggle { display: none; }
  .site-header { padding-inline: max(1.5rem, calc(50% - 20rem)); }
  .nav {
    display: flex;
    gap: 1.1rem;
    background: transparent;
    padding: 0;
  }
  .nav a { border: 0; min-height: var(--tap); }
  .cta-row { grid-template-columns: 1fr 1fr; }
  .cta-row.single { grid-template-columns: 1fr; }
}