:root {
  --color-bg: #f4efe6;
  --color-surface: #fffdf9;
  --color-text: #2b241d;
  --color-muted: #7a7064;
  --color-line: #e2d8c6;
  --color-ink: #2c2420;
  --color-gold: #b8935a;
  --color-gold-deep: #96733c;
  --color-gold-soft: #efe2c8;
  --color-wine: #6d2f34;
  --color-wine-deep: #552327;
  --radius: 4px;
  --radius-lg: 6px;
  --serif: "Yu Mincho", "Hiragino Mincho ProN", "Georgia", serif;
  --sans: "Hiragino Sans", "Yu Gothic", "Meiryo", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  height: 100%;
}

body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  font-family: var(--sans);
  background: var(--color-bg);
  background-image: radial-gradient(circle at 50% 0%, rgba(184, 147, 90, 0.08), transparent 60%);
  color: var(--color-text);
  line-height: 1.5;
}

.app {
  max-width: 560px;
  margin: 0 auto;
  height: 100vh;
  height: 100dvh;
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.app-header {
  text-align: center;
  flex-shrink: 0;
  margin-bottom: 12px;
}

.app-header h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  margin: 0 0 4px;
  color: var(--color-ink);
}

.app-header h1::after {
  content: "";
  display: block;
  width: 40px;
  height: 1px;
  margin: 8px auto 0;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}

.tagline {
  color: var(--color-muted);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  margin: 0;
}

#app-main {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.screen {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 18px 16px;
  box-shadow: 0 12px 32px rgba(60, 40, 20, 0.06);
  animation: fadeSlideIn 0.35s ease;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hidden {
  display: none !important;
}

#screen-start {
  justify-content: center;
  align-items: stretch;
}

.lead {
  text-align: center;
  margin: 0 0 24px;
  color: var(--color-text);
  font-size: 0.92rem;
}

.btn {
  display: block;
  width: 100%;
  flex-shrink: 0;
  padding: 12px 16px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.18s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  border: 1px solid var(--color-wine);
  background: var(--color-wine);
  color: #fbf3e7;
}

.btn-primary:hover {
  background: var(--color-wine-deep);
  border-color: var(--color-wine-deep);
}

.btn-secondary {
  border: none;
  background: transparent;
  color: var(--color-muted);
  margin-top: 10px;
  font-weight: 500;
  letter-spacing: 0.03em;
}

.btn-secondary:hover:not(:disabled) {
  color: var(--color-gold-deep);
}

.btn-secondary:disabled {
  opacity: 0.35;
  cursor: default;
}

.question-footer {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
  margin-top: 10px;
}

.question-footer .btn {
  margin-top: 0;
  width: auto;
  flex: 1;
}

.btn-skip {
  border: 1px solid var(--color-line);
  background: transparent;
  color: var(--color-gold-deep);
  font-weight: 500;
}

.btn-skip:hover {
  background: var(--color-gold-soft);
}

.progress-bar {
  height: 2px;
  background: var(--color-line);
  overflow: hidden;
  margin-bottom: 10px;
  flex-shrink: 0;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-gold), var(--color-gold-deep));
  width: 0%;
  transition: width 0.3s ease;
}

.question-count {
  color: var(--color-gold-deep);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 6px;
  flex-shrink: 0;
}

.question-text {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.05rem;
  line-height: 1.4;
  margin: 0 0 12px;
  color: var(--color-ink);
  flex-shrink: 0;
}

.options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  align-content: start;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
  padding-bottom: 4px;
}

.option-btn {
  padding: 10px 12px;
  border: 1px solid var(--color-line);
  border-left: 3px solid transparent;
  border-radius: 2px;
  background: var(--color-surface);
  text-align: left;
  font-size: 0.82rem;
  line-height: 1.35;
  color: var(--color-text);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, padding-left 0.15s ease;
}

.option-btn:hover {
  border-color: var(--color-gold);
  border-left-color: var(--color-gold);
  background: var(--color-gold-soft);
  padding-left: 16px;
}

.relaxed-notice {
  background: var(--color-gold-soft);
  border: 1px solid var(--color-gold);
  border-radius: 2px;
  padding: 8px 12px;
  font-size: 0.75rem;
  color: var(--color-gold-deep);
  margin-bottom: 10px;
  flex-shrink: 0;
}

.result-title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-align: center;
  margin: 0 0 10px;
  color: var(--color-muted);
  text-transform: uppercase;
  flex-shrink: 0;
}

.result-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
  margin-bottom: 10px;
  padding-bottom: 4px;
}

.result-card {
  border: 1px solid var(--color-line);
  border-radius: 2px;
  padding: 12px 14px;
  position: relative;
  background: var(--color-surface);
  flex-shrink: 0;
}

.result-card.rank-1 {
  border-color: var(--color-gold);
  box-shadow: 0 6px 20px rgba(184, 147, 90, 0.18);
}

.result-rank {
  display: inline-block;
  font-family: var(--serif);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
  border: 1px solid var(--color-line);
  padding: 2px 10px;
  border-radius: 999px;
  margin-bottom: 6px;
}

.result-card.rank-1 .result-rank {
  color: #fff;
  background: linear-gradient(90deg, var(--color-gold), var(--color-gold-deep));
  border-color: transparent;
}

.result-name {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--color-ink);
}

.result-note {
  color: var(--color-muted);
  font-size: 0.8rem;
  margin: 0 0 8px;
}

.result-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.result-tag {
  font-size: 0.65rem;
  letter-spacing: 0.02em;
  background: var(--color-gold-soft);
  color: var(--color-gold-deep);
  padding: 3px 9px;
  border-radius: 999px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #1c1815;
    --color-surface: #262019;
    --color-text: #ece2d3;
    --color-muted: #a89a86;
    --color-line: #3b332a;
    --color-ink: #f3ead9;
    --color-gold-soft: #3a3020;
  }
  .btn-primary {
    color: #fff3e2;
  }
  .result-tag {
    color: #e6cd9c;
  }
}