:root {
  --bg: #0e0b1f;
  --bg2: #1a1535;
  --card: rgba(255,255,255,0.06);
  --line: rgba(255,255,255,0.14);
  --text: #ece8ff;
  --muted: #a9a2cc;
  --gold: #f3c96b;
  --accent: #9f8cff;
  --good: #7be0b0;
  --star-off: rgba(255,255,255,0.18);
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: "Hiragino Sans", "Yu Gothic UI", "Meiryo", sans-serif;
  color: var(--text);
  background: radial-gradient(ellipse at top, var(--bg2), var(--bg) 70%) fixed;
  background-color: var(--bg);
  line-height: 1.75;
}
a { color: #cfc4ff; }
#sky { position: fixed; inset: 0; z-index: -1; pointer-events: none; }
.wrap { max-width: 720px; margin: 0 auto; padding: 24px 16px 64px; }

/* ナビ */
.nav { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 24px; font-size: 14px; }
.nav .logo { color: var(--gold); font-weight: bold; text-decoration: none; letter-spacing: .1em; }
.nav ul { display: flex; gap: 14px; list-style: none; margin: 0; padding: 0; }
.nav ul a { color: var(--muted); text-decoration: none; }
.nav ul a:hover { color: var(--text); }

header.hero-head { text-align: center; margin-bottom: 28px; }
header .sub { color: var(--gold); letter-spacing: .3em; font-size: 12px; }
h1 { font-size: clamp(32px, 8vw, 48px); margin: 4px 0 8px; letter-spacing: .08em;
     background: linear-gradient(90deg, var(--gold), #fff, var(--accent));
     -webkit-background-clip: text; background-clip: text; color: transparent; }
header p { color: var(--muted); margin: 0; font-size: 14px; }

.tabs { display: flex; gap: 6px; margin-bottom: 16px; }
.tab { flex: 1; padding: 10px 4px; border-radius: 999px; border: 1px solid var(--line);
       background: transparent; color: var(--muted); font: inherit; font-size: 14px; cursor: pointer; }
.tab[aria-selected="true"] { background: var(--accent); border-color: var(--accent); color: #fff; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px;
        padding: 20px; margin-bottom: 16px; }
label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
input { width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line);
        background: rgba(0,0,0,.25); color: var(--text); font: inherit; font-size: 16px; color-scheme: dark; }
input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.row { display: grid; gap: 14px; }
@media (min-width: 560px) { .row.two { grid-template-columns: 1fr 1fr; } }
.btn { display: block; margin-top: 16px; width: 100%; padding: 14px; border: 0; border-radius: 12px; cursor: pointer;
       font: inherit; font-weight: bold; font-size: 17px; color: #1b1433; text-align: center; text-decoration: none;
       background: linear-gradient(90deg, var(--gold), #ffe3a3); }
.btn.small { font-size: 15px; padding: 10px; }
.btn:hover { filter: brightness(1.06); }
.hint { font-size: 12px; color: var(--muted); margin: 8px 0 0; }
.error { color: #ff9a9a; font-size: 14px; margin-top: 8px; min-height: 1em; }
.m0 { margin: 0; }
.mt { margin-top: 14px; }

#result { display: none; }
#result.show { display: block; animation: rise .6s ease; }
@keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

.hero, #shared { text-align: center; }
.label { color: var(--muted); font-size: 13px; }
.bignum { font-size: clamp(40px, 12vw, 64px); font-weight: bold; color: var(--gold);
          font-variant-numeric: tabular-nums; letter-spacing: .04em; line-height: 1.2; word-break: break-all; }
.bignum .unit { font-size: .5em; margin-left: 4px; }
.type { font-size: 22px; font-weight: bold; margin: 6px 0 2px; }
.equation { font-family: "Consolas", "Menlo", monospace; color: var(--muted); font-size: 14px; word-break: break-all; }
h2 { font-size: 16px; color: var(--gold); margin: 0 0 10px; letter-spacing: .05em; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 4px; }
.chips.center { justify-content: center; }
.chip { padding: 4px 12px; border-radius: 999px; font-size: 13px; border: 1px solid var(--accent); color: #d9d1ff; }
ul.traits { margin: 8px 0 0; padding-left: 1.2em; }
ul.traits li { margin-bottom: 6px; }
.rank { font-size: 44px; font-weight: bold; text-align: center; color: var(--gold); line-height: 1.2; }
.rank small { display: block; font-size: 13px; color: var(--muted); font-weight: normal; margin-top: 6px; }
.scores { display: grid; gap: 6px; margin: 14px 0; }
.score { display: flex; justify-content: space-between; align-items: center;
         border-bottom: 1px dashed var(--line); padding: 4px 0; }
.stars { color: var(--gold); letter-spacing: 2px; }
.stars .off { color: var(--star-off); }
.lucky, .pair { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; text-align: center; margin-top: 10px; }
.pair { grid-template-columns: 1fr 1fr; margin-top: 14px; }
.lucky div, .pair div { background: rgba(0,0,0,.2); border-radius: 10px; padding: 10px 4px; }
.lucky b, .pair b { display: block; font-size: 18px; color: var(--text); word-break: break-all; }
.lucky span, .pair span { font-size: 12px; color: var(--muted); }
.line { display: flex; align-items: center; gap: 4px; overflow-x: auto; padding: 12px 0 4px; }
.dot { flex: 0 0 auto; min-width: 34px; padding: 4px 6px; text-align: center; border-radius: 8px; font-size: 11px;
       font-variant-numeric: tabular-nums; color: var(--muted); background: rgba(255,255,255,.04); }
.dot.p { color: #1b1433; background: var(--good); font-weight: bold; }
.dot.me { outline: 2px solid var(--gold); color: var(--gold); }
.dot.p.me { color: #1b1433; }
.bond { border-color: var(--gold); background: rgba(243,201,107,.08); }
.next a { display: block; text-align: center; text-decoration: none; color: var(--text); }
.next a + a { margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--line); }
.next b { color: var(--gold); }
#shared { border-color: var(--accent); }

/* 共有ボタン */
.share-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 8px; }
@media (min-width: 560px) { .share-grid { grid-template-columns: repeat(4, 1fr); } .share-grid.two { grid-template-columns: 1fr 1fr; } }
.sns { display: block; width: 100%; padding: 11px 6px; border-radius: 10px; font: inherit; font-size: 14px; font-weight: bold;
       text-align: center; text-decoration: none; cursor: pointer; border: 1px solid var(--line);
       background: rgba(255,255,255,.04); color: var(--text); }
.sns:hover { background: rgba(255,255,255,.1); }
.sns-x { background: #000; border-color: #444; color: #fff; }
.sns-line { background: #06c755; border-color: #06c755; color: #fff; }
.sns-threads { background: #101010; border-color: #444; color: #fff; }
.sns-fb { background: #1877f2; border-color: #1877f2; color: #fff; }
.sns-img { background: linear-gradient(90deg, #9f8cff, #c77dff); border: 0; color: #fff; }
.sns-more { margin-bottom: 4px; }

/* 広告枠 */
.ad-slot { margin: 0 0 16px; min-height: 0; text-align: center; }
.ad-label { font-size: 11px; color: var(--muted); margin-bottom: 4px; }
.ad-dummy { border: 1px dashed var(--line); border-radius: 12px; padding: 36px 8px; color: var(--muted); font-size: 12px; }

/* 読み物ページ */
.article h1 { font-size: clamp(26px, 6vw, 34px); text-align: center; }
.article h2 { font-size: 18px; margin-top: 8px; }
.article h3 { font-size: 16px; margin: 18px 0 6px; color: var(--text); }
.article p, .article li { font-size: 15px; }
.article table { width: 100%; border-collapse: collapse; font-size: 14px; }
.article th, .article td { border-bottom: 1px solid var(--line); padding: 8px 6px; text-align: left; vertical-align: top; }
.article th { color: var(--gold); white-space: nowrap; }
.article table.list td:first-child { white-space: nowrap; }
.article td .chips { margin: 4px 0 0; }
.article td .chip { font-size: 11px; padding: 1px 8px; }
.toc { padding-left: 1.2em; margin: 0; }

footer { text-align: center; color: var(--muted); font-size: 12px; margin-top: 32px; }
footer nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 16px; margin-bottom: 8px; }
footer a { color: var(--muted); }
details { color: var(--muted); font-size: 13px; }
details summary { cursor: pointer; color: var(--text); }