/* ==========================================================
   イラスト記憶 - style.css
   すべてのクラス名に picmem- の接頭辞を付ける(WordPress 埋め込み時にテーマの CSS と干渉させない)。
   状態は data-* / aria-* 属性、または picmem-is-* クラスで表す。
   ========================================================== */

:root {
  --picmem-bg: #f4f6fb;
  --picmem-card: #ffffff;
  --picmem-border: #dee2e6;
  --picmem-text: #212529;
  --picmem-muted: #5c6670;
  --picmem-primary: #3b5bdb;
  --picmem-ok: #237a36;
  --picmem-ng: #c92a2a;
  --picmem-info: #1864ab;
  --picmem-rank-s: #c2410c;
  --picmem-rank-d: #5c6670;
  --picmem-primary-dark: #2f49b3;
  --picmem-primary-soft: #edf2ff;
  --picmem-radius: 16px;
}

/* hidden 属性で確実に隠す(display を指定した要素でも隠れるように) */
[hidden] { display: none !important; }

.picmem-body {
  margin: 0;
  background: #e9ecef;
}

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

.picmem-app {
  position: relative;
  display: flex;
  flex-direction: column;
  max-width: 560px;
  min-height: 640px;
  margin: 0 auto;
  padding: 16px 16px max(16px, env(safe-area-inset-bottom));
  overflow-x: hidden;
  background: var(--picmem-bg);
  color: var(--picmem-text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN",
    "Yu Gothic", "Meiryo", "Noto Sans JP", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  text-align: left;
  -webkit-tap-highlight-color: transparent;
  -webkit-text-size-adjust: 100%;
}

/* 詳細度 0 のリセット(個別クラスの margin などを邪魔しない) */
:where(.picmem-app) :is(h1, h2, p, dl, dd, ul, ol) { margin: 0; padding: 0; }
:where(.picmem-app) :is(ul, ol) { list-style: none; }

.picmem-app a,
.picmem-app button,
.picmem-app summary { touch-action: manipulation; }

/* ---------- トップバー ---------- */
.picmem-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 44px;
  margin-bottom: 4px;
}
/* 戻るリンクが隠れている間も、効果音ボタンは右端に置く */
.picmem-topbar .picmem-sound-btn { margin-left: auto; }
.picmem-app a.picmem-back,
.picmem-app .picmem-sound-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--picmem-card);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  text-decoration: none;
  cursor: pointer;
}
.picmem-app a.picmem-back { color: var(--picmem-primary); }
.picmem-app .picmem-sound-btn { color: var(--picmem-text); }
.picmem-back svg,
.picmem-sound-btn svg { display: block; width: 22px; height: 22px; }
.picmem-app a.picmem-back:focus-visible,
.picmem-sound-btn:focus-visible,
.picmem-btn:focus-visible,
.picmem-choice:focus-visible,
.picmem-details summary:focus-visible { outline: 3px solid #ffd43b; outline-offset: 2px; }

/* ---------- 画面共通 ---------- */
.picmem-screen {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 16px;
}

.picmem-card {
  background: var(--picmem-card);
  border-radius: var(--picmem-radius);
  padding: 16px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

/* ---------- ボタン ---------- */
.picmem-btn {
  display: block;
  width: 100%;
  min-height: 52px;
  padding: 12px 20px;
  border: 0;
  border-radius: 999px;
  font: inherit;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.3;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}
.picmem-btn:active:not(:disabled) { transform: scale(0.97); }
.picmem-btn:disabled { opacity: 1; background: #6c757d; color: #ffffff; box-shadow: none; cursor: not-allowed; }
.picmem-btn-primary { background: var(--picmem-primary); color: #ffffff; box-shadow: 0 4px 0 var(--picmem-primary-dark); }
.picmem-btn-primary:hover:not(:disabled) { background: var(--picmem-primary-dark); }
.picmem-btn-cta { min-height: 64px; font-size: 1.25rem; }
.picmem-btn-action { min-height: 56px; font-size: 1.15rem; }
.picmem-app a.picmem-btn-x {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  background: #000000; color: #ffffff; text-decoration: none;
}
.picmem-btn-ghost { background: transparent; color: var(--picmem-muted); border: 1px solid var(--picmem-border); min-height: 44px; }

/* ---------- スタート画面 ---------- */
.picmem-title {
  text-align: center;
  font-size: clamp(1.4rem, 5.5vw, 1.8rem);
  font-weight: 800;
  line-height: 1.35;
  padding-top: 4px;
}
.picmem-subtitle { display: block; font-size: 0.7em; color: var(--picmem-primary); }

.picmem-rule-lead { text-align: center; font-size: 1.05rem; margin-bottom: 12px; }

.picmem-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}
.picmem-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 4px;
  text-align: center;
  font-size: 0.75rem;
  color: var(--picmem-muted);
  background: var(--picmem-bg);
  border-radius: 12px;
}
.picmem-step b { font-size: 0.9rem; color: var(--picmem-text); }
.picmem-step svg { width: 40px; height: 40px; color: var(--picmem-primary); }

.picmem-rule-list { font-size: 0.85rem; display: grid; gap: 4px; }
.picmem-rule-list li { padding-left: 1.1em; position: relative; }
.picmem-rule-list li::before { content: "●"; position: absolute; left: 0; color: var(--picmem-primary); font-size: 0.6em; top: 0.5em; }

.picmem-record { display: flex; justify-content: space-around; text-align: center; gap: 8px; }
.picmem-record-cell { flex: 1; }
.picmem-record-cell dt { font-size: 0.8rem; color: var(--picmem-muted); }
.picmem-record-cell dd { font-size: 1.3rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.picmem-record-cell:last-child dd { color: var(--picmem-primary); }

.picmem-details { padding: 8px 16px; font-size: 0.9rem; color: var(--picmem-muted); }
.picmem-details summary { display: flex; align-items: center; min-height: 44px; cursor: pointer; font-weight: 700; }
.picmem-table { width: 100%; margin: 4px 0 8px; border-collapse: collapse; }
.picmem-table th, .picmem-table td { padding: 6px 4px; text-align: left; border-bottom: 1px solid var(--picmem-border); }
.picmem-table td:first-child { font-weight: 800; color: var(--picmem-primary); }

/* ---------- カウントダウン / プレイ(長押しメニュー・テキスト選択を抑止する) ---------- */
.picmem-countdown,
.picmem-play {
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

.picmem-countdown { align-items: center; justify-content: center; text-align: center; }
.picmem-countdown-stage { font-size: 1.2rem; font-weight: 800; letter-spacing: 0.1em; color: var(--picmem-muted); }
.picmem-countdown-hint { font-size: 1.1rem; font-weight: 700; }
.picmem-countdown-number {
  margin: 8px 0;
  min-height: 1.1em;
  font-size: clamp(5rem, 28vw, 9rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--picmem-primary);
}

/* ---------- プレイ画面 ---------- */
.picmem-hud {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  background: var(--picmem-card);
  border-radius: var(--picmem-radius);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}
.picmem-hud-stage { font-size: 1.1rem; font-weight: 800; }
.picmem-hud-score { font-size: 1.3rem; font-weight: 800; font-variant-numeric: tabular-nums; color: var(--picmem-primary); }

.picmem-phase-label {
  text-align: center;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--picmem-primary);
}

.picmem-memory { display: flex; flex-direction: column; gap: 12px; }
.picmem-memory-display { display: grid; gap: 12px 8px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.picmem-memory-display[data-cols="2"] { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.picmem-memory-item,
.picmem-choice {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-width: 0;
}
.picmem-memory-item { padding: 8px 4px; background: var(--picmem-bg); border-radius: 12px; }

.picmem-emoji {
  font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
  line-height: 1.2;
}
.picmem-memory-item .picmem-emoji { font-size: 3.2rem; }
.picmem-choice .picmem-emoji { font-size: 2.2rem; }
.picmem-item-label { font-size: 0.9rem; font-weight: 700; line-height: 1.3; white-space: nowrap; }

.picmem-timer-text { text-align: center; font-size: 1.1rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.picmem-timer { height: 14px; overflow: hidden; background: var(--picmem-border); border-radius: 999px; }
.picmem-timer-bar { width: 100%; height: 100%; background: var(--picmem-primary); }

.picmem-answer { display: flex; flex-direction: column; gap: 10px; padding: 12px 8px; }
.picmem-instruction { text-align: center; font-size: 1.05rem; font-weight: 800; }
.picmem-selected-count { text-align: center; font-size: 1rem; font-weight: 700; color: var(--picmem-primary); font-variant-numeric: tabular-nums; }
.picmem-notice { min-height: 3em; font-size: 0.9rem; font-weight: 700; color: var(--picmem-ng); }

.picmem-choice-grid { display: grid; gap: 6px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.picmem-choice-grid[data-cols="2"] { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.picmem-choice {
  position: relative;
  min-width: 48px;
  min-height: 84px;
  padding: 6px 2px;
  font: inherit;
  color: var(--picmem-text);
  background: var(--picmem-card);
  border: 2px solid var(--picmem-border);
  border-radius: 12px;
  cursor: pointer;
}
.picmem-choice:disabled { color: var(--picmem-text); cursor: default; }
.picmem-choice[aria-pressed="true"] {
  border-color: var(--picmem-primary);
  background: var(--picmem-primary-soft);
  box-shadow: 0 0 0 2px var(--picmem-primary);
}
.picmem-choice[aria-pressed="true"]:not([data-result])::after {
  content: "✓";
  position: absolute;
  top: 2px;
  right: 6px;
  font-size: 0.9rem;
  font-weight: 900;
  color: var(--picmem-primary);
}
.picmem-mark {
  position: absolute;
  top: 3px;
  right: 3px;
  padding: 0 5px;
  font-size: 0.8rem;
  font-weight: 900;
  line-height: 1.4;
  background: var(--picmem-card);
  border-radius: 6px;
}
.picmem-choice[data-result="hit"] { border-color: var(--picmem-ok); box-shadow: 0 0 0 2px var(--picmem-ok); background: var(--picmem-card); }
.picmem-choice[data-result="hit"] .picmem-mark { color: var(--picmem-ok); border: 1px solid var(--picmem-ok); }
.picmem-choice[data-result="wrong"] { border-color: var(--picmem-ng); box-shadow: 0 0 0 2px var(--picmem-ng); background: var(--picmem-card); }
.picmem-choice[data-result="wrong"] .picmem-mark { color: var(--picmem-ng); border: 1px solid var(--picmem-ng); }
.picmem-choice[data-result="missed"] { border: 2px dashed var(--picmem-info); box-shadow: 0 0 0 2px var(--picmem-info); background: var(--picmem-card); }
.picmem-choice[data-result="missed"] .picmem-mark { color: var(--picmem-info); border: 1px solid var(--picmem-info); }

.picmem-feedback { display: flex; flex-direction: column; gap: 8px; text-align: center; }
.picmem-feedback-message { font-size: 1.5rem; font-weight: 900; }
.picmem-feedback[data-verdict="perfect"] .picmem-feedback-message { color: var(--picmem-ok); }
.picmem-feedback[data-verdict="partial"] .picmem-feedback-message { color: var(--picmem-info); }
.picmem-feedback[data-verdict="miss"] .picmem-feedback-message { color: var(--picmem-ng); }
.picmem-feedback-score { font-size: 1.3rem; font-weight: 800; font-variant-numeric: tabular-nums; margin-bottom: 4px; }

/* ---------- 結果画面 ---------- */
.picmem-result-title { text-align: center; font-size: 1.4rem; font-weight: 800; }
.picmem-result-main { text-align: center; padding-top: 24px; }
.picmem-new-record {
  display: inline-block; margin-bottom: 8px; padding: 2px 14px;
  background: var(--picmem-ng); color: #ffffff;
  font-weight: 900; letter-spacing: 0.08em; border-radius: 999px;
}
.picmem-rank-badge {
  width: 96px; height: 96px; margin: 0 auto 8px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%; color: #ffffff;
  font-size: 3.4rem; font-weight: 900; line-height: 1;
  background: var(--picmem-rank-d);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}
.picmem-rank-badge[data-rank="S"] { background: var(--picmem-rank-s); }
.picmem-rank-badge[data-rank="A"] { background: var(--picmem-ng); }
.picmem-rank-badge[data-rank="B"] { background: var(--picmem-info); }
.picmem-rank-badge[data-rank="C"] { background: var(--picmem-ok); }
.picmem-rank-badge[data-rank="D"] { background: var(--picmem-rank-d); }
.picmem-result-label { font-size: 1.2rem; font-weight: 800; }
.picmem-result-message { font-weight: 700; color: var(--picmem-muted); }
.picmem-result-score { font-size: 2.6rem; font-weight: 900; line-height: 1.3; font-variant-numeric: tabular-nums; }
.picmem-result-score small { font-size: 1rem; margin-left: 2px; }

.picmem-breakdown { display: flex; flex-direction: column; gap: 8px; }
.picmem-breakdown-item { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; min-width: 0; }
.picmem-breakdown-item dt { font-size: 0.95rem; color: var(--picmem-muted); }
.picmem-breakdown-item dd { font-size: 1.15rem; font-weight: 800; font-variant-numeric: tabular-nums; }

.picmem-actions { display: grid; gap: 12px; }

/* ---------- レスポンシブ ---------- */
@media (max-width: 380px) {
  .picmem-app { padding-left: 12px; padding-right: 12px; }
}
@media (min-width: 480px) {
  .picmem-choice-grid:not([data-cols="2"]) { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (min-width: 600px) {
  .picmem-app { margin-top: 16px; margin-bottom: 16px; border-radius: 20px; box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12); }
}

/* 動きを減らす設定: アニメーションと遷移を無効にする */
@media (prefers-reduced-motion: reduce) {
  .picmem-app *, .picmem-app *::before, .picmem-app *::after {
    animation: none !important;
    transition: none !important;
  }
}