:root {
  --bg: #0f1630;          /* 夜空 */
  --card: #1a2347;
  --card-2: #232d59;
  --line: #36416f;
  --ink: #eef0fa;
  --ink-2: #b6bcd8;
  --gold: #e3c26f;
  --gold-soft: #3a3560;
  --warn: #ffd9c7;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Hiragino Maru Gothic ProN', 'Hiragino Sans', 'Yu Gothic UI', 'Yu Gothic', 'Meiryo', sans-serif;
  font-size: 17px;
  line-height: 1.75;
}
main { max-width: 640px; margin: 0 auto; padding: 0 16px 48px; }
[hidden] { display: none !important; }

.hero { text-align: center; padding: 40px 0 20px; }
.eyebrow { margin: 0; color: var(--gold); font-weight: 700; font-size: 15px; letter-spacing: .08em; }
h1 { margin: 6px 0 10px; font-size: 32px; letter-spacing: .05em; }
.lead { margin: 0; color: var(--ink-2); }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 20px; margin-bottom: 16px; }
h2 { margin: 0 0 10px; font-size: 20px; color: var(--gold); }
h3 { margin: 14px 0 2px; font-size: 16px; color: var(--gold); }
p { margin: 0 0 10px; }
.note { color: var(--ink-2); font-size: 15px; }
.small { font-size: 14px; }
.err { color: var(--warn); background: #4a2c3a; border-radius: 10px; padding: 8px 12px; font-size: 15px; }
.notice { background: var(--gold-soft); border: 1px solid var(--line); border-radius: 12px; padding: 10px 14px; margin-bottom: 12px; font-size: 15px; }

.field { display: block; margin-bottom: 14px; }
.field > span { display: block; font-size: 15px; font-weight: 700; margin-bottom: 4px; }
input[type='date'], input[type='time'], input[type='number'], select {
  display: block;
  width: 100%;
  min-width: 0;
  min-height: 48px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card-2);
  color: var(--ink);
  font: inherit;
  appearance: none;
  -webkit-appearance: none;
}
input:disabled { opacity: .5; }
.check { display: flex; align-items: center; gap: 8px; min-height: 44px; margin: -6px 0 10px; font-size: 15px; }
.check input { width: 22px; height: 22px; accent-color: var(--gold); }
input:focus-visible, select:focus-visible, button:focus-visible, summary:focus-visible, a:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

.btn { display: block; width: 100%; min-height: 50px; padding: 10px 16px; border: 0; border-radius: 12px; font: inherit; font-weight: 700; text-align: center; text-decoration: none; cursor: pointer; touch-action: manipulation; }
.btn.primary { background: var(--gold); color: #1a2347; margin-bottom: 10px; }
.btn.ghost { background: var(--card-2); color: var(--ink); border: 1px solid var(--line); margin-bottom: 16px; }
.btn.line { background: #06c755; color: #fff; }

.tabs { display: grid; gap: 6px; margin-bottom: 14px; }
.tabs.three { grid-template-columns: repeat(3, 1fr); position: sticky; top: 0; background: var(--bg); padding: 8px 0; z-index: 2; }
.tab { min-height: 46px; padding: 4px; border: 1px solid var(--line); border-radius: 10px; background: var(--card); color: var(--ink-2); font: inherit; font-size: 14px; font-weight: 700; cursor: pointer; touch-action: manipulation; }
.tab.on { background: var(--gold); border-color: var(--gold); color: #1a2347; }

.seg { display: grid; gap: 6px; margin-bottom: 12px; }
.seg.two { grid-template-columns: 1fr 1fr; }
.segb { min-height: 44px; border: 1px solid var(--line); border-radius: 10px; background: var(--card-2); color: var(--ink-2); font: inherit; font-size: 15px; cursor: pointer; touch-action: manipulation; }
.segb.on { border-color: var(--gold); color: var(--gold); font-weight: 700; }

/* ホロスコープの円 */
.wheel { display: block; width: 100%; max-width: 420px; margin: 0 auto 14px; }
.w-ring { fill: none; stroke: var(--line); stroke-width: 1; }
.w-tick { stroke: var(--line); stroke-width: 1; }
.w-sign { fill: var(--ink-2); font-size: 11px; }
.w-cusp { stroke: var(--line); stroke-width: .8; }
.w-cusp.strong { stroke: var(--gold); stroke-width: 1.2; }
.w-house { fill: var(--ink-2); font-size: 9px; }
.w-planet { fill: var(--ink); font-size: 14px; font-weight: 700; }
.w-mark { stroke: var(--gold); stroke-width: 1.5; }
.w-asp { stroke-width: .9; opacity: .8; }
.w-asp.conj, .w-asp.trin, .w-asp.sext { stroke: #7fb4ff; }
.w-asp.squa, .w-asp.oppo { stroke: #ff9c8a; }

.rows { width: 100%; border-collapse: collapse; font-size: 15px; }
.rows th, .rows td { padding: 6px 4px; border-top: 1px solid var(--line); text-align: left; font-weight: 400; }
.rows th { color: var(--gold); white-space: nowrap; }
.rows .num { text-align: right; white-space: nowrap; }

.big { display: flex; gap: 14px; align-items: center; margin-bottom: 8px; }
.big-mark { flex: none; width: 64px; height: 64px; border-radius: 50%; background: var(--gold); color: #1a2347; display: grid; place-items: center; font-weight: 700; font-size: 15px; text-align: center; line-height: 1.2; }
.big-title { margin: 0; font-size: 19px; font-weight: 700; line-height: 1.4; }
.big-sub { margin: 0; font-size: 14px; color: var(--ink-2); }

.read { border-top: 1px solid var(--line); padding: 10px 0 2px; }
.read:first-child { border-top: 0; padding-top: 0; }
.read b { color: var(--gold); }

.bar-row { display: grid; grid-template-columns: 3em 1fr 1.6em; gap: 8px; align-items: center; font-size: 15px; margin-bottom: 4px; }
.bar { height: 10px; border-radius: 99px; background: var(--card-2); overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--gold); }

.day-nav { display: grid; grid-template-columns: 48px 1fr 48px; align-items: center; gap: 8px; margin-bottom: 8px; }
.day-label { margin: 0; text-align: center; font-weight: 700; }
.mini { min-height: 48px; border: 1px solid var(--line); border-radius: 10px; background: var(--card-2); color: var(--ink); font: inherit; font-size: 22px; cursor: pointer; touch-action: manipulation; }
.sign-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.sign-b { min-height: 48px; padding: 4px; border: 1px solid var(--line); border-radius: 10px; background: var(--card-2); color: var(--ink); font: inherit; font-size: 15px; cursor: pointer; touch-action: manipulation; }
.sign-b.on { background: var(--gold); border-color: var(--gold); color: #1a2347; font-weight: 700; }

.about summary { cursor: pointer; font-weight: 700; color: var(--gold); padding: 8px 0; min-height: 44px; }
.rule { border-top: 1px solid var(--line); padding: 10px 0 2px; }
.rule h3 { margin-top: 0; }
.credit { text-align: center; }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--gold); color: #1a2347; padding: 10px 18px; border-radius: 99px; font-size: 15px; font-weight: 700; z-index: 10; max-width: calc(100vw - 32px); }

.rank-row { display: grid; grid-template-columns: 3.2em 1fr; gap: 0 6px; align-items: center; width: 100%; min-height: 46px; padding: 6px 10px; margin-bottom: 6px; border: 1px solid var(--line); border-radius: 10px; background: var(--card-2); color: var(--ink); font: inherit; font-size: 15px; text-align: left; cursor: pointer; touch-action: manipulation; }
.rank-row.top { border-color: var(--gold); }
.rank-row.on { background: var(--gold-soft); }
.rank-no { color: var(--gold); font-weight: 700; }
.rank-sign { font-weight: 700; }
.rank-word { grid-column: 1 / -1; color: var(--ink-2); font-size: 14px; line-height: 1.6; }