:root {
  --bg: #1c1430;          /* 夜の紫 */
  --card: #281d42;
  --card-2: #332652;
  --line: #4a3a70;
  --ink: #f1ecfa;
  --ink-2: #c3b8dc;
  --gold: #e8c672;
  --gold-soft: #45365e;
  --violet: #c7a4ff;
  --warn: #ffd9c7;
  --good: #8fd6c0;
  --hard: #ffab9a;
  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; }
.card.tight { padding: 8px; }
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; }
.field .note { margin: 4px 0 0; }
input[type='date'], input[type='time'], 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: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: #281d42; margin-bottom: 10px; }
.btn.ghost { background: var(--card-2); color: var(--ink); border: 1px solid var(--line); margin-bottom: 10px; }
.btn.line { background: #06c755; color: #fff; }

.seg { display: grid; gap: 6px; }
.seg.two { grid-template-columns: 1fr 1fr; }
.segb { min-height: 46px; 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; }

.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: 15px; font-weight: 700; cursor: pointer; touch-action: manipulation; }
.tab.on { background: var(--gold); border-color: var(--gold); color: #281d42; }

.r-lunar { font-weight: 700; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { background: var(--card-2); border: 1px solid var(--line); border-radius: 99px; padding: 2px 12px; font-size: 14px; }

/* 命盤：4 × 4 のます目。真ん中の 2 × 2 に基本の情報 */
.grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 3px; }
.center { grid-column: 2 / 4; grid-row: 2 / 4; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; background: var(--bg); border-radius: 10px; padding: 6px; font-size: 13px; line-height: 1.5; }
.center p { margin: 0; }
.c-title { color: var(--gold); font-size: 17px; font-weight: 700; }
.c-age { color: var(--ink-2); margin-top: 4px !important; }
.cell { display: flex; flex-direction: column; min-height: 118px; min-width: 0; padding: 4px; border: 1px solid var(--line); border-radius: 8px; background: var(--card-2); color: var(--ink); font: inherit; font-size: 12px; line-height: 1.35; text-align: left; cursor: pointer; touch-action: manipulation; }
.cell.ming { border-color: var(--gold); }
.cell.now { background: #3e2f63; }
.cell.on { outline: 2px solid var(--violet); outline-offset: -1px; }
.c-head { display: flex; justify-content: space-between; gap: 2px; font-size: 11px; color: var(--ink-2); }
.cell.ming .c-head b { color: var(--gold); }
.c-main { display: flex; flex-wrap: wrap; gap: 0 4px; margin: 2px 0; }
.c-main .st { font-size: 14px; font-weight: 700; color: var(--violet); }
.c-sub { display: flex; flex-wrap: wrap; gap: 0 4px; flex: 1; align-content: flex-start; }
.c-foot { display: flex; justify-content: space-between; font-size: 11px; color: var(--ink-2); }
.c-foot .body { color: var(--gold); }
.st { white-space: nowrap; }
.st.good { color: var(--good); }
.st.hard { color: var(--hard); }
.st.minor { color: var(--ink-2); }
.hua { display: inline-block; margin-left: 1px; padding: 0 2px; border-radius: 4px; font-style: normal; font-size: 10px; font-weight: 700; line-height: 1.4; vertical-align: 1px; color: #281d42; }
.hua.禄 { background: #8fd6c0; }
.hua.権 { background: #ffcf6e; }
.hua.科 { background: #a9c8ff; }
.hua.忌 { background: #ffab9a; }
.legend { margin: 8px 4px 2px; }
.legend .hua { margin-right: 2px; }
.k { font-weight: 700; }
.k.main { color: var(--violet); }
.k.good { color: var(--good); }
.k.hard { color: var(--hard); }

.read { border-top: 1px solid var(--line); padding: 10px 0 2px; }
.read b { color: var(--gold); }
.read p { margin-bottom: 6px; }
.big-line { font-size: 19px; font-weight: 700; color: var(--violet); margin-bottom: 6px; }

.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 tr.now td, .rows tr.now th { background: var(--gold-soft); 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: #281d42; padding: 10px 18px; border-radius: 99px; font-size: 15px; font-weight: 700; z-index: 10; max-width: calc(100vw - 32px); }