/* ===========================
   バレエ バリエーション診断 CSS
   =========================== */

/* フォント・変数 */
:root {
  --color-primary: #c9a0b8;
  --color-primary-dark: #9e6d8a;
  --color-primary-light: #f0dde8;
  --color-accent: #e8c9d8;
  --color-gold: #c9a55a;
  --color-gold-light: #f5e8c8;
  --color-bg: #fdf7fa;
  --color-bg2: #fff0f6;
  --color-text: #3d2a35;
  --color-text-light: #7a5c6e;
  --color-white: #ffffff;
  --color-shadow: rgba(180, 100, 150, 0.15);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Noto Serif JP', 'Cormorant Garamond', serif;
  background: linear-gradient(135deg, #fdf0f6 0%, #f5e8f0 30%, #fce8f3 60%, #f8f0fa 100%);
  min-height: 100vh;
  color: var(--color-text);
  overflow-x: hidden;
}

/* 背景デコレーション */
.bg-decoration {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.petal {
  position: absolute;
  font-size: 24px;
  opacity: 0.15;
  animation: floatPetal 8s ease-in-out infinite;
}

.petal-1 { top: 10%; left: 5%; animation-delay: 0s; font-size: 20px; }
.petal-2 { top: 20%; right: 8%; animation-delay: 1.5s; font-size: 16px; }
.petal-3 { top: 50%; left: 3%; animation-delay: 3s; font-size: 22px; }
.petal-4 { bottom: 20%; right: 5%; animation-delay: 2s; font-size: 18px; }
.petal-5 { bottom: 10%; left: 15%; animation-delay: 4s; font-size: 14px; }

@keyframes floatPetal {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33% { transform: translateY(-15px) rotate(10deg); }
  66% { transform: translateY(10px) rotate(-5deg); }
}

/* コンテナ */
.container {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin: 0 auto;
  padding: 20px 16px 40px;
}

/* ヘッダー */
.app-header {
  text-align: center;
  padding: 32px 20px 24px;
  margin-bottom: 8px;
}

.header-icon {
  font-size: 48px;
  display: block;
  margin-bottom: 12px;
  animation: iconBounce 2s ease-in-out infinite;
}

@keyframes iconBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.app-title {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.title-main {
  font-family: 'Cormorant Garamond', 'Noto Serif JP', serif;
  font-size: 28px;
  font-weight: 600;
  color: var(--color-primary-dark);
  letter-spacing: 0.05em;
}

.title-sub {
  font-size: 13px;
  color: var(--color-text-light);
  font-weight: 300;
  letter-spacing: 0.1em;
}

/* スクリーン */
.screen {
  display: none;
  animation: fadeSlideIn 0.5s ease-out;
}

.screen.active {
  display: block;
}

@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===========================
   スタート画面
   =========================== */
.start-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  box-shadow: 0 8px 40px var(--color-shadow), 0 2px 8px rgba(0,0,0,0.04);
  border: 1px solid rgba(201, 160, 184, 0.2);
}

.start-illustration {
  margin-bottom: 24px;
}

.ballet-silhouette {
  font-size: 64px;
  display: block;
  animation: spin-gentle 4s ease-in-out infinite;
}

@keyframes spin-gentle {
  0%, 100% { transform: rotate(-5deg); }
  50% { transform: rotate(5deg); }
}

.sparkles {
  display: flex;
  justify-content: center;
  gap: 16px;
  font-size: 20px;
  margin-top: 8px;
  opacity: 0.6;
}

.sparkles span:nth-child(2) { animation: sparkle 1.5s ease-in-out infinite; }
.sparkles span:nth-child(1) { animation: sparkle 1.5s ease-in-out 0.3s infinite; }
.sparkles span:nth-child(3) { animation: sparkle 1.5s ease-in-out 0.6s infinite; }

@keyframes sparkle {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.2); }
}

.start-title {
  font-family: 'Cormorant Garamond', 'Noto Serif JP', serif;
  font-size: 24px;
  font-weight: 600;
  color: var(--color-primary-dark);
  line-height: 1.5;
  margin-bottom: 20px;
}

.start-description {
  font-size: 14px;
  line-height: 1.9;
  color: var(--color-text-light);
  margin-bottom: 28px;
}

.start-features {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--color-primary-light);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 13px;
  color: var(--color-primary-dark);
  font-weight: 500;
}

.feature-icon {
  font-size: 16px;
}

.btn-start {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  border: none;
  padding: 16px 40px;
  border-radius: 50px;
  font-size: 16px;
  font-family: 'Noto Serif JP', serif;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(158, 109, 138, 0.4);
  letter-spacing: 0.05em;
}

.btn-start:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(158, 109, 138, 0.5);
}

.btn-start:active {
  transform: translateY(0);
}

/* ===========================
   質問画面
   =========================== */
.question-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: 0 8px 40px var(--color-shadow), 0 2px 8px rgba(0,0,0,0.04);
  border: 1px solid rgba(201, 160, 184, 0.2);
}

/* プログレスバー */
.progress-area {
  margin-bottom: 28px;
}

.progress-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.progress-text {
  font-size: 13px;
  color: var(--color-text-light);
  font-weight: 500;
}

.progress-percent {
  font-size: 13px;
  color: var(--color-primary-dark);
  font-weight: 600;
}

.progress-bar {
  height: 6px;
  background: var(--color-primary-light);
  border-radius: 50px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
  border-radius: 50px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  width: 0%;
}

/* 質問コンテンツ */
.question-content {
  margin-bottom: 24px;
  text-align: center;
}

.question-category {
  display: inline-block;
  background: var(--color-gold-light);
  color: var(--color-gold);
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  border: 1px solid rgba(201, 165, 90, 0.3);
}

.question-text {
  font-family: 'Noto Serif JP', serif;
  font-size: 19px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--color-text);
  margin-bottom: 12px;
}

.question-icon {
  font-size: 36px;
  margin-top: 8px;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

/* 選択肢グリッド */
.options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}

.option-btn {
  background: var(--color-bg);
  border: 2px solid rgba(201, 160, 184, 0.25);
  border-radius: var(--radius-md);
  padding: 16px 14px;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  font-family: 'Noto Serif JP', serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.option-btn:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px var(--color-shadow);
}

.option-btn.selected {
  border-color: var(--color-primary-dark);
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  box-shadow: 0 4px 16px var(--color-shadow);
}

.option-emoji {
  font-size: 28px;
  display: block;
}

.option-text {
  font-size: 13px;
  color: var(--color-text);
  line-height: 1.4;
  font-weight: 500;
}

/* 4択の場合はグリッドそのまま */
.options-grid.three-cols {
  grid-template-columns: 1fr 1fr 1fr;
}

/* ナビゲーション */
.nav-buttons {
  display: flex;
  justify-content: flex-start;
}

.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: 1px solid var(--color-primary);
  color: var(--color-primary-dark);
  padding: 10px 20px;
  border-radius: 50px;
  font-size: 14px;
  font-family: 'Noto Serif JP', serif;
  cursor: pointer;
  transition: var(--transition);
}

.btn-back:hover {
  background: var(--color-primary-light);
}

/* ===========================
   結果画面
   =========================== */
.result-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 40px var(--color-shadow), 0 2px 8px rgba(0,0,0,0.04);
  border: 1px solid rgba(201, 160, 184, 0.2);
}

.result-header {
  background: linear-gradient(135deg, #f5dce8 0%, #ead0df 50%, #f0d8e8 100%);
  padding: 32px 28px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.result-header::before {
  content: '✨';
  position: absolute;
  top: 12px;
  left: 20px;
  font-size: 20px;
  opacity: 0.4;
}

.result-header::after {
  content: '✨';
  position: absolute;
  top: 12px;
  right: 20px;
  font-size: 20px;
  opacity: 0.4;
}

.result-badge {
  display: inline-block;
  background: var(--color-primary-dark);
  color: white;
  padding: 4px 18px;
  border-radius: 50px;
  font-size: 12px;
  letter-spacing: 0.15em;
  margin-bottom: 12px;
  font-weight: 600;
}

.result-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  color: var(--color-primary-dark);
  font-style: italic;
  font-weight: 400;
}

.result-main {
  text-align: center;
  padding: 32px 28px 20px;
  background: linear-gradient(180deg, #fef5f9 0%, white 100%);
}

.result-variation-icon {
  font-size: 72px;
  margin-bottom: 16px;
  display: block;
  animation: resultPop 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes resultPop {
  from { transform: scale(0); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.result-variation-name {
  font-family: 'Cormorant Garamond', 'Noto Serif JP', serif;
  font-size: 30px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}

.result-variation-sub {
  font-size: 14px;
  color: var(--color-text-light);
  font-style: italic;
  letter-spacing: 0.1em;
}

.result-description-box {
  background: linear-gradient(135deg, var(--color-gold-light), #fff8ee);
  border-left: 4px solid var(--color-gold);
  margin: 0 28px 24px;
  padding: 18px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.result-description {
  font-size: 14px;
  line-height: 1.9;
  color: var(--color-text);
}

.result-details {
  padding: 0 28px 24px;
}

.result-section {
  margin-bottom: 24px;
}

.result-section-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.05em;
}

.result-section-title i {
  color: var(--color-gold);
}

/* タグ */
.result-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 500;
  border: 1px solid rgba(201, 160, 184, 0.4);
  transition: var(--transition);
}

.tag:hover {
  background: var(--color-primary);
  color: white;
}

/* テクニック */
.result-techniques, .result-tips {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.result-techniques li, .result-tips li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(201, 160, 184, 0.15);
}

.result-techniques li::before {
  content: '🩰';
  flex-shrink: 0;
  font-size: 14px;
}

.result-tips li::before {
  content: '✨';
  flex-shrink: 0;
  font-size: 14px;
}

/* スコアバー */
.score-bars {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.score-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.score-label {
  font-size: 12px;
  color: var(--color-text-light);
  width: 90px;
  flex-shrink: 0;
  text-align: right;
}

.score-bar-bg {
  flex: 1;
  height: 8px;
  background: var(--color-primary-light);
  border-radius: 50px;
  overflow: hidden;
}

.score-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
  border-radius: 50px;
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1) 0.3s;
  width: 0;
}

.score-value {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary-dark);
  width: 32px;
  flex-shrink: 0;
}

/* その他の候補 */
.other-results-section {
  padding: 0 28px 28px;
  border-top: 1px solid var(--color-primary-light);
  padding-top: 24px;
}

.other-results-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-light);
  margin-bottom: 14px;
  letter-spacing: 0.05em;
}

.other-results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.other-result-item {
  background: var(--color-bg);
  border: 1px solid rgba(201, 160, 184, 0.25);
  border-radius: var(--radius-sm);
  padding: 14px 12px;
  text-align: center;
  transition: var(--transition);
  cursor: default;
}

.other-result-item:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  transform: translateY(-2px);
}

.other-result-icon {
  font-size: 28px;
  display: block;
  margin-bottom: 6px;
}

.other-result-name {
  font-size: 12px;
  color: var(--color-text);
  font-weight: 500;
  line-height: 1.4;
}

.other-result-score {
  font-size: 11px;
  color: var(--color-primary-dark);
  font-weight: 600;
  margin-top: 4px;
}

/* アクションボタン */
.result-actions {
  display: flex;
  gap: 12px;
  padding: 0 28px 32px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-retry {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  border: none;
  padding: 14px 28px;
  border-radius: 50px;
  font-size: 14px;
  font-family: 'Noto Serif JP', serif;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(158, 109, 138, 0.3);
}

.btn-retry:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(158, 109, 138, 0.4);
}

.btn-share {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: white;
  color: var(--color-primary-dark);
  border: 2px solid var(--color-primary);
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 14px;
  font-family: 'Noto Serif JP', serif;
  cursor: pointer;
  transition: var(--transition);
}

.btn-share:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
}

/* フッター */
.app-footer {
  text-align: center;
  padding: 24px 0 8px;
  font-size: 12px;
  color: var(--color-text-light);
  opacity: 0.7;
}

/* ローディングアニメーション */
.loading-screen {
  text-align: center;
  padding: 60px 20px;
}

.loading-icon {
  font-size: 60px;
  animation: loadingDance 1s ease-in-out infinite alternate;
  display: block;
  margin-bottom: 20px;
}

@keyframes loadingDance {
  from { transform: rotate(-10deg) scale(1); }
  to { transform: rotate(10deg) scale(1.1); }
}

.loading-text {
  font-size: 16px;
  color: var(--color-text-light);
  font-style: italic;
}

/* レスポンシブ */
@media (max-width: 480px) {
  .container {
    padding: 12px 10px 32px;
  }

  .title-main {
    font-size: 22px;
  }

  .start-card {
    padding: 28px 20px;
  }

  .question-card {
    padding: 24px 18px;
  }

  .question-text {
    font-size: 17px;
  }

  .options-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .result-card {
    border-radius: var(--radius-md);
  }

  .result-details,
  .other-results-section,
  .result-actions {
    padding-left: 18px;
    padding-right: 18px;
  }

  .result-description-box {
    margin: 0 18px 20px;
  }

  .result-main {
    padding: 24px 18px 16px;
  }

  .other-results-grid {
    grid-template-columns: 1fr 1fr;
  }

  .start-features {
    gap: 10px;
  }

  .feature-item {
    padding: 6px 12px;
    font-size: 12px;
  }
}

@media (max-width: 360px) {
  .options-grid {
    grid-template-columns: 1fr;
  }
}

/* シェアトースト */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--color-primary-dark);
  color: white;
  padding: 12px 24px;
  border-radius: 50px;
  font-size: 14px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
  z-index: 1000;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}