:root {
  --bg: #f4f8fb; --card: #ffffff; --ink: #18263a; --sub: #5b6b80; --line: #dfe8f0;
  --accent: #34b3e4; --accent-ink: #ffffff; --accent-soft: #e3f5fc;
  --gold: #c9a043; --gold-soft: #fbf4e2; --gold-ink: #5a4310;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0d1626; --card: #16233a; --ink: #eef4ff; --sub: #9fb3cf; --line: #24354f;
    --accent: #5cc8f0; --accent-ink: #06202c; --accent-soft: #15324a; --gold: #e8c46a; --gold-soft: #2a2414; --gold-ink: #f3dc9c; }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
body { font-family: "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif; line-height: 1.8; font-size: 16px; }
a { color: var(--accent); }
.wrap { max-width: 720px; margin: 0 auto; padding: 0 16px; }

.top { display: flex; align-items: center; gap: 10px; padding: 18px 0; }
.top img { width: 40px; height: 40px; border-radius: 50%; }
.top b { font-size: 18px; letter-spacing: .06em; }

.hero { text-align: center; padding: 28px 0 36px; }
.hero .logo { width: 132px; height: 132px; border-radius: 50%; box-shadow: 0 10px 30px #34b3e433; }
.hero h1 { font-size: clamp(26px, 7vw, 38px); line-height: 1.4; margin: 22px 0 12px; letter-spacing: .04em; }
.hero p { color: var(--sub); margin: 0 auto 26px; max-width: 30em; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-width: 240px; padding: 14px 26px;
  border-radius: 99px; font-weight: 800; text-decoration: none; font-size: 16px; }
.btn.main { background: var(--accent); color: var(--accent-ink); }
.btn.gold { background: var(--gold); color: #1b1406; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 22px; padding: 26px 22px; margin: 0 0 18px; }
.card h2 { font-size: 20px; margin: 0 0 8px; }
.card p { color: var(--sub); margin: 0 0 14px; }
.card.live { background: var(--accent-soft); border-color: transparent; }
.card.fan { background: var(--gold-soft); border-color: transparent; display: grid; grid-template-columns: 96px 1fr; gap: 16px; align-items: start; }
.card.fan img { width: 96px; height: 96px; }
.card.fan .tag { display: inline-block; font-size: 12px; font-weight: 800; color: #1b1406; background: var(--gold); border-radius: 99px; padding: 2px 10px; margin-bottom: 6px; }
.card.fan p { color: var(--gold-ink); }
.card.fan small { display: block; color: var(--sub); margin-top: 10px; font-size: 13px; line-height: 1.6; }
@media (max-width: 480px) { .card.fan { grid-template-columns: 1fr; text-align: center; } .card.fan img { margin: 0 auto; } }

.page h1 { font-size: 24px; margin: 10px 0 18px; }
.page h2 { font-size: 17px; margin: 26px 0 6px; }
.page p, .page dd { color: var(--sub); margin: 0 0 10px; }
.page dl { display: grid; grid-template-columns: 7em 1fr; gap: 6px 14px; margin: 0; }
.page dt { font-weight: 700; }
.page dd { margin: 0; }

footer { text-align: center; color: var(--sub); font-size: 13px; padding: 30px 0 40px; }
footer nav { display: flex; justify-content: center; gap: 18px; margin-bottom: 8px; flex-wrap: wrap; }
footer a { color: var(--sub); }