/* コラッツ予想占い：雲の白 × 空の青 × 珊瑚（頂上）× 金（ゴールの1） */
:root {
  --bg: #eef3f6;
  --paper: #ffffff;
  --ink: #1e2b38;
  --sub: #5c6b7a;
  --line: #d5dee6;
  --soft: #e4eef3;
  --sky: #2b6f8a;
  --sky-d: #1f566c;
  --peak: #df6a4e;
  --home: #c9971a;
  --radius: 14px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Meiryo", sans-serif;
  line-height: 1.8; font-size: 16px;
}
a { color: var(--sky); }
img, svg { max-width: 100%; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px 40px; }

/* ===== ヘッダー ===== */
.nav { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 0; flex-wrap: wrap; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--ink); text-decoration: none; letter-spacing: .04em; }
.logo img { width: 28px; height: 28px; }
.nav ul { display: flex; gap: 16px; list-style: none; margin: 0; padding: 0; font-size: 14px; }
.nav ul a { color: var(--sub); text-decoration: none; }
.nav ul a:hover { color: var(--sky); }

.hero-head { text-align: center; padding: 18px 0 8px; }
.hero-head .sub { font-size: 12px; letter-spacing: .3em; color: var(--sky); font-weight: 700; }
.hero-head h1 { font-size: clamp(30px, 7vw, 44px); margin: 4px 0 6px; letter-spacing: .06em; line-height: 1.3; }
.hero-head p { margin: 0; color: var(--sub); }
.hero-art { display: block; margin: 10px auto 0; width: 100%; max-width: 520px; height: auto; }

/* ===== カード・フォーム ===== */
.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 20px; margin: 18px 0; }
.card h2 { font-size: 20px; margin: 0 0 12px; line-height: 1.5; }
.card h3 { font-size: 17px; margin: 22px 0 8px; }
.card p { margin: 0 0 12px; }

.tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-top: 18px; }
.tab {
  font: inherit; font-size: 15px; font-weight: 700; padding: 11px 4px; border-radius: 10px 10px 0 0;
  border: 1px solid var(--line); border-bottom: none; background: var(--soft); color: var(--sub); cursor: pointer;
}
.tab[aria-selected="true"] { background: var(--paper); color: var(--sky); box-shadow: inset 0 3px 0 var(--sky); }
.tabs + .card { margin-top: 0; border-top-left-radius: 0; border-top-right-radius: 0; }

label { display: block; font-size: 14px; font-weight: 700; margin-bottom: 4px; }
label.mt { margin-top: 12px; }
input[type=date], input[type=text] {
  width: 100%; font: inherit; font-size: 17px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px;
  background: #fbfdfe; color: var(--ink);
}
input:focus { outline: 2px solid var(--sky); outline-offset: 1px; }
.row { display: grid; gap: 16px; }
.row.two { grid-template-columns: 1fr 1fr; }
@media (max-width: 560px) { .row.two { grid-template-columns: 1fr; } }

.btn {
  display: block; width: 100%; margin-top: 18px; padding: 14px; font: inherit; font-size: 18px; font-weight: 700;
  color: #fff; background: var(--sky); border: none; border-radius: 999px; cursor: pointer; text-align: center; text-decoration: none;
  box-shadow: 0 3px 0 var(--sky-d);
}
.btn:hover { background: var(--sky-d); }
.btn:active { transform: translateY(2px); box-shadow: 0 1px 0 var(--sky-d); }
.btn.ghost { background: transparent; color: var(--sky); border: 2px solid var(--sky); box-shadow: none; }
.error { color: #b3261e; font-size: 14px; margin-top: 8px; min-height: 1em; }
.hint { font-size: 13px; color: var(--sub); margin: 10px 0 0; }

/* ===== 結果 ===== */
.result-head { text-align: center; }
.kicker { display: inline-block; font-size: 13px; font-weight: 700; color: #fff; background: var(--sky); padding: 3px 14px; border-radius: 999px; letter-spacing: .08em; }
.type-name { font-size: clamp(28px, 7vw, 38px); font-weight: 800; margin: 10px 0 0; letter-spacing: .04em; line-height: 1.4; }
.type-en { font-size: 12px; letter-spacing: .25em; color: var(--sub); }
.type-catch { color: var(--peak); font-weight: 700; margin-top: 6px; }
.type-icon { width: 120px; height: 84px; display: block; margin: 8px auto 0; }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 18px 0; }
.stat { background: var(--soft); border-radius: 12px; padding: 10px 6px; text-align: center; }
.stat b { display: block; font-size: clamp(18px, 5vw, 26px); line-height: 1.3; font-variant-numeric: tabular-nums; word-break: break-all; }
.stat span { font-size: 12px; color: var(--sub); }
.stat.peak b { color: var(--peak); }
.stat.home b { color: var(--home); }

.chart-box { margin: 8px 0 4px; }
.chart-box svg { display: block; width: 100%; height: auto; }
.chart-cap { font-size: 12px; color: var(--sub); text-align: center; }
.legend { display: flex; justify-content: center; gap: 16px; font-size: 13px; margin-top: 4px; flex-wrap: wrap; }
.legend i { display: inline-block; width: 18px; height: 4px; border-radius: 2px; vertical-align: middle; margin-right: 4px; }

dl.traits { margin: 12px 0 0; }
dl.traits dt { font-weight: 700; font-size: 14px; color: var(--sky); margin-top: 12px; }
dl.traits dd { margin: 2px 0 0; }

.seq { font-size: 13px; color: var(--sub); line-height: 1.9; word-break: break-all; background: #f7fafc; border-radius: 10px; padding: 10px 12px; max-height: 180px; overflow-y: auto; font-variant-numeric: tabular-nums; }
.seq .pk { color: var(--peak); font-weight: 700; }
.seq .mt { color: var(--sky); font-weight: 700; text-decoration: underline; }
.seq .one { color: var(--home); font-weight: 700; }
details summary { cursor: pointer; font-size: 14px; color: var(--sky); font-weight: 700; margin: 10px 0 6px; }

.luck { display: flex; align-items: center; gap: 16px; }
.luck .rank { flex: none; width: 92px; height: 92px; border-radius: 50%; background: var(--sky); color: #fff; display: flex; flex-direction: column; align-items: center; justify-content: center; font-weight: 800; font-size: 26px; line-height: 1.1; }
.luck .rank small { font-size: 11px; font-weight: 400; margin-top: 2px; }
.meter { height: 10px; background: var(--soft); border-radius: 999px; overflow: hidden; margin: 8px 0 4px; }
.meter i { display: block; height: 100%; background: linear-gradient(90deg, var(--sky), var(--peak)); border-radius: 999px; }

.score { font-size: clamp(44px, 12vw, 64px); font-weight: 800; color: var(--peak); line-height: 1.1; text-align: center; font-variant-numeric: tabular-nums; }
.score small { font-size: 18px; color: var(--sub); margin-left: 4px; }

.share-box h3 { text-align: center; font-size: 16px; margin: 0 0 10px; }
.share-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.share-grid.two { grid-template-columns: 1fr 1fr; margin-top: 6px; }
@media (max-width: 480px) { .share-grid { grid-template-columns: 1fr 1fr; } }
.sns { display: block; font: inherit; font-size: 13px; font-weight: 700; text-align: center; padding: 10px 4px; border-radius: 10px; text-decoration: none; border: 1px solid var(--line); background: #fff; color: var(--ink); cursor: pointer; }
.sns-x { background: #111; color: #fff; border-color: #111; }
.sns-line { background: #06c755; color: #fff; border-color: #06c755; }
.sns-threads { background: #333; color: #fff; border-color: #333; }
.sns-fb { background: #1877f2; color: #fff; border-color: #1877f2; }
.sns-img { background: var(--peak); color: #fff; border-color: var(--peak); }
.sns-more { width: 100%; margin-top: 6px; }

.again { text-align: center; margin-top: 10px; }
.again a { font-size: 14px; }

/* ===== 読みもの ===== */
.article h1 { font-size: clamp(24px, 6vw, 32px); line-height: 1.4; margin: 14px 0 6px; }
.lead { color: var(--sub); }
.article table, table.tbl { width: 100%; border-collapse: collapse; font-size: 14px; margin: 8px 0 12px; }
.article th, .article td, .tbl th, .tbl td { border-bottom: 1px solid var(--line); padding: 7px 6px; text-align: left; vertical-align: top; }
.tbl th { background: var(--soft); font-size: 13px; }
.tbl td.num, .tbl th.num { text-align: right; font-variant-numeric: tabular-nums; }
.tbl-wrap { overflow-x: auto; }
.example { background: #f7fafc; border-left: 4px solid var(--sky); padding: 10px 14px; border-radius: 0 10px 10px 0; margin: 10px 0 14px; word-break: break-all; }
ul.points { padding-left: 1.2em; margin: 0 0 12px; }
ul.points li { margin: 4px 0; }
.type-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 560px) { .type-list { grid-template-columns: 1fr; } }
.type-list > div { border: 1px solid var(--line); border-radius: 12px; padding: 12px; }
.type-list b { color: var(--sky); }
.toc { font-size: 14px; }
.toc a { margin-right: 12px; white-space: nowrap; }

/* ===== 広告枠 ===== */
.ad-slot { margin: 18px 0; }
.ad-label { font-size: 11px; color: var(--sub); text-align: center; }
.ad-dummy { border: 2px dashed var(--line); border-radius: 12px; padding: 26px 8px; text-align: center; color: var(--sub); font-size: 13px; }

/* ===== フッター ===== */
footer { margin-top: 30px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 13px; color: var(--sub); text-align: center; }
footer nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 16px; margin-bottom: 10px; }
footer a { color: var(--sub); }

.bignum { font-size: 72px; font-weight: 800; color: var(--sky); text-align: center; line-height: 1.2; }
.center { text-align: center; }
[hidden] { display: none !important; }