@charset "UTF-8";

/* ============================================================
   大アルカナ タロット占い / style.css
   ============================================================ */

:root {
  --bg-0: #0d0b1c;
  --bg-1: #16122e;
  --bg-2: #1e1940;
  --panel: rgba(30, 25, 64, 0.66);
  --line: rgba(212, 175, 87, 0.28);
  --gold: #d4af57;
  --gold-lt: #f2dfa6;
  --text: #ece8f5;
  --text-dim: #a9a2c4;
  --danger: #ff8f8f;

  --card-w: 200px;
  --card-ratio: 0.583;          /* 幅 ÷ 高さ。JS が config から上書き */
  --radius: 14px;
  --flip-dur: 620ms;

  --font-serif: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Noto Serif JP", serif;
  --font-sans: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP",
               "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--text);
  background:
    radial-gradient(1100px 600px at 50% -10%, #2a2160 0%, transparent 60%),
    radial-gradient(700px 500px at 85% 15%, #1d2a5c 0%, transparent 55%),
    linear-gradient(180deg, var(--bg-1) 0%, var(--bg-0) 100%);
  background-attachment: fixed;
  line-height: 1.85;
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--gold); color: #1a1430; padding: 8px 16px; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

.is-hidden { display: none !important; }

/* ---------- ヘッダー ---------- */
.site-header { text-align: center; padding: 44px 20px 18px; }

.site-title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.55rem, 5vw, 2.3rem);
  letter-spacing: .16em;
  font-weight: 600;
  background: linear-gradient(100deg, var(--gold-lt), var(--gold) 45%, var(--gold-lt));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.site-subtitle {
  margin: 10px 0 0;
  font-size: .86rem;
  color: var(--text-dim);
  letter-spacing: .08em;
}

.site-promo {
  margin: 10px 0 0;
  font-size: .82rem;
}

.site-promo a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: .18em;
}

.site-promo a:hover,
.site-promo a:focus-visible {
  color: var(--gold-lt);
}

.wrap { max-width: 980px; margin: 0 auto; padding: 10px 18px 60px; }

/* ---------- パネル / フォーム ---------- */
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px 26px 30px;
  backdrop-filter: blur(6px);
  box-shadow: 0 18px 44px rgba(0, 0, 0, .38);
}

.field { margin-bottom: 26px; }
.field:last-of-type { margin-bottom: 22px; }

.field-label {
  display: block;
  font-family: var(--font-serif);
  font-size: .96rem;
  letter-spacing: .1em;
  color: var(--gold-lt);
  margin-bottom: 10px;
}
.field-label .opt { font-size: .78rem; color: var(--text-dim); letter-spacing: 0; }

.field-note { margin: 8px 2px 0; font-size: .76rem; color: var(--text-dim); line-height: 1.7; }

.text-input {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  font-size: .95rem;
  color: var(--text);
  background: rgba(10, 8, 24, .55);
  border: 1px solid var(--line);
  border-radius: 10px;
  transition: border-color .2s, box-shadow .2s;
}
.text-input::placeholder { color: #6f688f; }
.text-input:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(212, 175, 87, .16);
}

/* 展開法の選択 */
.spread-choices { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.spread-card {
  position: relative;
  display: block;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(10, 8, 24, .4);
  cursor: pointer;
  transition: border-color .2s, background .2s, transform .12s;
}
.spread-card:hover { border-color: rgba(212, 175, 87, .55); transform: translateY(-1px); }
.spread-card input { position: absolute; opacity: 0; pointer-events: none; }
.spread-card:has(input:checked) {
  border-color: var(--gold);
  background: rgba(212, 175, 87, .1);
  box-shadow: 0 0 0 1px rgba(212, 175, 87, .4) inset;
}
.spread-card:has(input:focus-visible) { box-shadow: 0 0 0 3px rgba(212, 175, 87, .3); }

.spread-name {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-serif); font-size: 1.02rem; letter-spacing: .06em; color: var(--gold-lt);
}
.spread-count {
  font-size: .68rem; letter-spacing: .05em; color: #1a1430;
  background: var(--gold); border-radius: 999px; padding: 1px 8px; font-weight: 700;
}
.spread-desc { margin: 6px 0 0; font-size: .78rem; color: var(--text-dim); line-height: 1.7; }

/* トグルスイッチ */
.field-inline { margin-bottom: 24px; }
.switch { display: inline-flex; align-items: center; gap: 11px; cursor: pointer; user-select: none; }
.switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.switch-track {
  position: relative; width: 46px; height: 25px; flex: 0 0 auto;
  background: rgba(10, 8, 24, .7); border: 1px solid var(--line);
  border-radius: 999px; transition: background .22s, border-color .22s;
}
.switch-thumb {
  position: absolute; top: 3px; left: 3px; width: 17px; height: 17px;
  border-radius: 50%; background: #7d769c; transition: transform .22s, background .22s;
}
.switch input:checked + .switch-track { background: rgba(212, 175, 87, .28); border-color: var(--gold); }
.switch input:checked + .switch-track .switch-thumb { transform: translateX(21px); background: var(--gold-lt); }
.switch input:focus-visible + .switch-track { box-shadow: 0 0 0 3px rgba(212, 175, 87, .3); }
.switch-text { font-size: .92rem; letter-spacing: .06em; }

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: inherit; font-size: .95rem; letter-spacing: .1em;
  padding: 13px 26px; border-radius: 999px; border: 1px solid transparent;
  cursor: pointer; transition: transform .12s, box-shadow .2s, background .2s, color .2s, opacity .2s;
}
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(212, 175, 87, .38); }
.btn[disabled] { opacity: .45; cursor: default; }

.btn-primary {
  width: 100%;
  background: linear-gradient(100deg, #e6c97a, var(--gold) 55%, #c79c3f);
  color: #1a1430; font-weight: 700;
  box-shadow: 0 10px 26px rgba(212, 175, 87, .22);
}
.btn-primary:hover:not([disabled]) { box-shadow: 0 12px 30px rgba(212, 175, 87, .34); }
.btn-icon { font-size: .9em; }

.btn-ghost { background: transparent; border-color: var(--line); color: var(--gold-lt); }
.btn-ghost:hover { border-color: var(--gold); background: rgba(212, 175, 87, .08); }

.btn-quiet { background: transparent; color: var(--text-dim); border-color: transparent; }
.btn-quiet:hover { color: var(--text); }

.btn-sm { font-size: .8rem; padding: 8px 18px; }

.actions {
  display: flex; flex-wrap: wrap; gap: 12px;
  justify-content: center; align-items: center; margin-top: 34px;
}
.actions .btn-primary { width: auto; min-width: 200px; }

/* ---------- セクション見出し ---------- */
.section-title {
  margin: 6px 0 6px;
  text-align: center;
  font-family: var(--font-serif);
  font-size: 1.2rem; font-weight: 500; letter-spacing: .16em; color: var(--gold-lt);
}
.section-lead { margin: 0 0 26px; text-align: center; font-size: .82rem; color: var(--text-dim); }

/* ---------- カードテーブル ---------- */
.card-table {
  display: grid;
  gap: clamp(14px, 3vw, 26px);
  justify-content: center;
  grid-template-columns: repeat(var(--cols, 1), minmax(0, var(--card-w)));
}

.slot { display: flex; flex-direction: column; align-items: center; gap: 10px; }

.slot-label {
  font-family: var(--font-serif); font-size: .84rem; letter-spacing: .14em; color: var(--gold);
}

.card {
  position: relative;
  width: 100%;
  aspect-ratio: var(--card-ratio);
  perspective: 1200px;
  background: none; border: 0; padding: 0;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.card[disabled] { cursor: default; }
.card:focus-visible .card-inner { box-shadow: 0 0 0 3px rgba(212, 175, 87, .55); border-radius: var(--radius); }

.card-inner {
  display: block;
  position: relative; width: 100%; height: 100%;
  transform-style: preserve-3d;
  transition: transform var(--flip-dur) cubic-bezier(.2, .8, .25, 1);
}
.card.is-open .card-inner { transform: rotateY(180deg); }

.card-face {
  display: block;
  position: absolute; inset: 0;
  backface-visibility: hidden; -webkit-backface-visibility: hidden;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 12px 30px rgba(0, 0, 0, .5);
  background: #1a1533;
}
.card-face img { width: 100%; height: 100%; object-fit: cover; display: block; }

.card-back { transform: rotateY(0deg); }
.card-front { transform: rotateY(180deg); }
.card-front.is-reversed img { transform: rotate(180deg); }

/* 画像が読めなかった場合の文字フォールバック */
.card-fallback {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
  padding: 14px; text-align: center;
  background: linear-gradient(160deg, #2a2358, #171233);
  border: 2px solid var(--gold); border-radius: var(--radius);
}
.card-fallback .fb-num { font-family: Georgia, serif; font-size: 1.5rem; color: var(--gold); }
.card-fallback .fb-name { font-family: var(--font-serif); font-size: 1.1rem; letter-spacing: .1em; }

.card:not([disabled]):hover .card-inner { transform: translateY(-6px); }
.card.is-open:not([disabled]):hover .card-inner { transform: rotateY(180deg) translateY(-6px); }

.card-hint {
  min-height: 1.4em;
  font-size: .74rem; letter-spacing: .1em; color: var(--text-dim);
}

/* 出現アニメーション */
@keyframes deal {
  from { opacity: 0; transform: translateY(26px) scale(.94); }
  to   { opacity: 1; transform: none; }
}
.slot { animation: deal .5s both; }

/* ---------- 結果 ---------- */
.result-question {
  margin: 0 auto 26px; max-width: 640px; text-align: center;
  font-family: var(--font-serif); font-size: 1rem; color: var(--gold-lt);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 12px 8px;
}

.readings { display: grid; gap: 20px; }

.reading {
  display: grid;
  grid-template-columns: 148px 1fr;
  gap: 22px;
  align-items: start;
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  animation: deal .5s both;
}

.reading-thumb { position: relative; width: 100%; aspect-ratio: var(--card-ratio); border-radius: 10px; overflow: hidden; }
.reading-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.reading-thumb.is-reversed img { transform: rotate(180deg); }

.reading-pos {
  display: inline-block; font-size: .72rem; letter-spacing: .14em;
  color: #1a1430; background: var(--gold); border-radius: 999px; padding: 2px 12px; margin-bottom: 10px;
}
.reading-name {
  margin: 0 0 4px;
  font-family: var(--font-serif); font-size: 1.32rem; letter-spacing: .08em; font-weight: 600;
}
.reading-orient { font-size: .8rem; letter-spacing: .1em; margin-left: 10px; }
.orient-up { color: #8fd6a8; }
.orient-rev { color: #e79ea6; }
.reading-en { margin: 0 0 12px; font-family: Georgia, serif; font-size: .76rem; letter-spacing: .12em; color: var(--text-dim); }

.kw-list { display: flex; flex-wrap: wrap; gap: 7px; list-style: none; margin: 0 0 12px; padding: 0; }
.kw-list li {
  font-size: .74rem; letter-spacing: .06em; color: var(--gold-lt);
  border: 1px solid var(--line); border-radius: 999px; padding: 2px 11px;
}
.reading-text { margin: 0; font-size: .93rem; color: #ddd8ee; }

/* ---------- 履歴 ---------- */
.history-block { margin-top: 46px; padding-top: 22px; border-top: 1px solid var(--line); text-align: center; }
.history-title { font-family: var(--font-serif); font-size: .88rem; letter-spacing: .14em; color: var(--text-dim); margin: 0 0 12px; font-weight: 500; }
.history-list { list-style: none; margin: 0 0 14px; padding: 0; display: grid; gap: 7px; }
.history-list li { font-size: .78rem; color: var(--text-dim); }
.history-list .h-date { color: #6f688f; margin-right: 10px; font-variant-numeric: tabular-nums; }
.history-list .h-empty { color: #6f688f; }

/* ---------- エラー ---------- */
.error-box {
  margin: 24px auto 0; max-width: 620px; padding: 16px 20px;
  border: 1px solid rgba(255, 143, 143, .5); border-radius: 12px;
  background: rgba(90, 20, 30, .3); color: var(--danger); font-size: .88rem;
}

/* ---------- フッター ---------- */
.site-footer { text-align: center; padding: 0 20px 44px; }
.site-footer p { margin: 0; font-size: .72rem; color: #6f688f; line-height: 1.9; }

/* ---------- レスポンシブ ---------- */
@media (max-width: 700px) {
  :root { --card-w: 150px; }
  .panel { padding: 22px 18px 24px; }
  .reading { grid-template-columns: 104px 1fr; gap: 16px; padding: 18px; }
  .reading-name { font-size: 1.15rem; }
  .actions .btn { flex: 1 1 auto; }
}

@media (max-width: 460px) {
  :root { --card-w: 116px; }
  .card-table { gap: 10px; }
  .reading { grid-template-columns: 1fr; }
  .reading-thumb { width: 132px; margin: 0 auto; }
  .reading-body { text-align: center; }
  .kw-list { justify-content: center; }
  .reading-text { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}