:root {
  color-scheme: light;
  --bg-top: #fff6e9;
  --bg-bottom: #ffdfb8;
  --panel: #fffaf2;
  --panel-border: #f3cf9d;
  --ink: #6b4328;
  --ink-soft: #a67c52;
  --accent: #e2793d;
  --accent-deep: #c75f2c;
  --accent-soft: #f3a56233;
  --orb-1: #ffe8c2;
  --orb-2: #ffb98a;
  --orb-3: #f2784a;
  --line: #fff7ec;
  --card-back-1: #fff0d6;
  --card-back-2: #f6c891;
  --card-back-line: #d98f4e;
  --table: #c98a52;
  --table-dark: #8a5a30;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  background: radial-gradient(ellipse at top, var(--bg-top), var(--bg-bottom) 85%);
  color: var(--ink);
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "Hiragino Sans", "Yu Gothic", serif;
  line-height: 1.8;
}

.app {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 16px 56px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.screen {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 20px;
}

.screen[hidden] {
  display: none;
}

h1 {
  font-size: 1.7rem;
  letter-spacing: 0.08em;
  color: var(--accent-deep);
  margin: 12px 0 0;
}

.lead {
  color: var(--ink-soft);
  font-size: 0.95rem;
  max-width: 440px;
}

.hint {
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.primary-btn {
  font-family: inherit;
  font-size: 1rem;
  letter-spacing: 0.05em;
  padding: 14px 32px;
  border-radius: 999px;
  border: none;
  background: linear-gradient(135deg, #ffb37a, var(--accent));
  color: #fff6ea;
  cursor: pointer;
  box-shadow: 0 8px 20px var(--accent-soft);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px var(--accent-soft);
}

/* ===== シャッフル画面 ===== */

.table {
  position: relative;
  width: 100%;
  max-width: 480px;
  height: 320px;
  border-radius: 24px;
  background:
    repeating-linear-gradient(90deg, rgba(255,255,255,0.08) 0 2px, transparent 2px 22px),
    radial-gradient(ellipse at center, var(--table), var(--table-dark));
  box-shadow: inset 0 0 36px rgba(100,55,15,0.35), 0 10px 26px rgba(120,70,30,0.25);
  overflow: hidden;
}

.shuffle-cards {
  position: absolute;
  inset: 0;
}

.mini-card {
  position: absolute;
  width: 56px;
  height: 80px;
  border-radius: 10px;
  left: 50%;
  top: 50%;
  background: linear-gradient(160deg, var(--card-back-1), var(--card-back-2));
  border: 2px solid #fff;
  box-shadow: 0 4px 10px rgba(120,70,20,0.35);
}

.mini-card::after {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px solid var(--card-back-line);
  border-radius: 6px;
  background:
    radial-gradient(circle at center, transparent 55%, var(--card-back-line) 56% 58%, transparent 59%);
  opacity: 0.6;
}

.mini-card.shuffling {
  animation: jitter 0.35s ease-in-out infinite alternate;
}

@keyframes jitter {
  from { transform: translate(-50%, -50%) rotate(var(--r1, 0deg)) translate(var(--x1, 0px), var(--y1, 0px)); }
  to   { transform: translate(-50%, -50%) rotate(var(--r2, 0deg)) translate(var(--x2, 0px), var(--y2, 0px)); }
}

.mini-card.settled {
  transition: transform 0.6s cubic-bezier(.2,.8,.2,1);
}

/* ===== カード選択画面 ===== */

.pick-spread {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  max-width: 560px;
}

.pick-card {
  position: relative;
  width: 64px;
  height: 92px;
  perspective: 600px;
  cursor: pointer;
}

.pick-card .pick-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s cubic-bezier(.2,.8,.2,1);
  transform-style: preserve-3d;
}

.pick-card.flipped .pick-inner {
  transform: rotateY(180deg);
}

.pick-card.disabled {
  opacity: 0.4;
  cursor: default;
}

.pick-face {
  position: absolute;
  inset: 0;
  border-radius: 10px;
  backface-visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #fff;
  box-shadow: 0 4px 12px rgba(150,90,30,0.2);
}

.pick-back {
  background: linear-gradient(160deg, var(--card-back-1), var(--card-back-2));
}

.pick-back::after {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px solid var(--card-back-line);
  border-radius: 6px;
  background:
    radial-gradient(circle at center, transparent 55%, var(--card-back-line) 56% 58%, transparent 59%);
  opacity: 0.6;
}

.pick-front {
  background: radial-gradient(circle at 50% 35%, var(--orb-2), var(--orb-3) 85%);
  transform: rotateY(180deg);
  flex-direction: column;
  padding: 4px;
  gap: 2px;
}

.pick-front svg {
  width: 26px;
  height: 26px;
  stroke: var(--line);
  fill: none;
  stroke-width: 4.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pick-front .pick-label {
  font-size: 0.55rem;
  color: #fff6ea;
  letter-spacing: 0.05em;
}

/* ===== 結果画面 ===== */

.result-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 28px;
}

.result-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  max-width: 300px;
}

.result-card h2 {
  font-size: 1.1rem;
  color: var(--accent-deep);
  letter-spacing: 0.08em;
  margin: 0;
}

.card-face {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 24px 20px 28px;
  border-radius: 24px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  box-shadow: 0 10px 30px rgba(190,120,50,0.14);
}

.icon-frame {
  width: 220px;
  height: 220px;
  max-width: 60vw;
  max-height: 60vw;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 42% 35%, var(--orb-1), var(--orb-2) 55%, var(--orb-3) 95%);
  border: 4px solid #fff;
  box-shadow: 0 0 0 1px var(--panel-border), 0 10px 26px var(--accent-soft);
}

.icon-frame svg {
  width: 62%;
  height: 62%;
  stroke: var(--line);
  fill: none;
  stroke-width: 3.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 1px 3px rgba(150,70,20,0.25));
}

.card-face .card-name {
  font-size: 1.3rem;
  color: var(--ink);
  letter-spacing: 0.1em;
}

.card-face .card-keyword {
  font-size: 0.85rem;
  color: var(--accent);
}

.card-face .card-message {
  font-size: 0.9rem;
  color: var(--ink-soft);
  text-align: left;
}

@media (max-width: 480px) {
  .app {
    padding: 24px 12px 48px;
  }

  h1 {
    font-size: 1.4rem;
  }

  .table {
    height: 280px;
  }
}