/* ===================================
   Tool: markdown-formatter
   =================================== */
.md-toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-sm);
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-sm);
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-sm);
}
.toolbar-group {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
}
.toolbar-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}
.toolbar-btn:hover {
  background: var(--green-pale);
  color: var(--green-main);
}
.toolbar-divider {
  width: 1px;
  height: 24px;
  background: var(--border-color);
  margin: 6px 4px;
}

.md-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}
@media (max-width: 900px) {
  .md-grid {
    grid-template-columns: 1fr;
  }
}

.md-panel {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.md-panel .panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
}
.md-panel .panel-header h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0;
}
.md-panel .panel-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.template-select {
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  border: 1px solid var(--sage-300);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text-primary);
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.template-select:hover {
  border-color: var(--sage-400);
}
.template-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(var(--accent-rgb, 108, 117, 125), 0.15);
}

.editor-wrapper {
  flex: 1;
  min-height: 400px;
  display: flex;
}
.md-input {
  flex: 1;
  width: 100%;
  min-height: 400px;
  padding: var(--space-lg);
  font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-card);
  border: none;
  resize: none;
  outline: none;
}
.md-input::placeholder {
  color: var(--sage-400);
}

.md-preview {
  flex: 1;
  min-height: 400px;
  max-height: 600px;
  overflow-y: auto;
  padding: var(--space-lg);
  background: var(--bg-card);
}
.preview-empty {
  color: var(--text-muted);
  text-align: center;
  padding: var(--space-2xl);
}
.preview-error {
  color: #dc3545;
  padding: var(--space-lg);
}

/* Markdown Rendered Styles */
.md-rendered {
  line-height: 1.8;
  color: var(--text-primary);
}
.md-rendered h1, .md-rendered h2, .md-rendered h3,
.md-rendered h4, .md-rendered h5, .md-rendered h6 {
  margin-top: 1.5em;
  margin-bottom: 0.5em;
  font-weight: 600;
  line-height: 1.3;
}
.md-rendered h1 { font-size: 1.8em; border-bottom: 1px solid var(--border-color); padding-bottom: 0.3em; }
.md-rendered h2 { font-size: 1.5em; border-bottom: 1px solid var(--border-color); padding-bottom: 0.3em; }
.md-rendered h3 { font-size: 1.25em; }
.md-rendered h4 { font-size: 1.1em; }
.md-rendered p { margin: 1em 0; }
.md-rendered ul, .md-rendered ol { padding-left: 2em; margin: 1em 0; }
.md-rendered li { margin: 0.25em 0; }
.md-rendered blockquote {
  border-left: 4px solid var(--green-main);
  margin: 1em 0;
  padding: 0.5em 1em;
  background: var(--green-pale);
  color: var(--text-secondary);
}
.md-rendered code {
  background: var(--bg-secondary);
  padding: 0.2em 0.4em;
  border-radius: 4px;
  font-family: 'SF Mono', 'Consolas', monospace;
  font-size: 0.9em;
}
.md-rendered pre {
  background: #2d2d2d;
  border-radius: var(--radius-md);
  padding: var(--space-md);
  overflow-x: auto;
  margin: 1em 0;
}
.md-rendered pre code {
  background: transparent;
  padding: 0;
  color: #f8f8f2;
}
.md-rendered table {
  border-collapse: collapse;
  width: 100%;
  margin: 1em 0;
}
.md-rendered th, .md-rendered td {
  border: 1px solid var(--border-color);
  padding: 0.5em 1em;
  text-align: left;
}
.md-rendered th {
  background: var(--bg-secondary);
  font-weight: 600;
}
.md-rendered img {
  max-width: 100%;
  border-radius: var(--radius-md);
}
.md-rendered a {
  color: var(--green-main);
  text-decoration: underline;
}
.md-rendered hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 2em 0;
}
.md-rendered .task-list-item {
  list-style: none;
  margin-left: -1.5em;
}
.md-rendered .task-list-item input[type="checkbox"] {
  margin-right: 0.5em;
}

.status-bar {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-sm) var(--space-lg);
  background: var(--bg-secondary);
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
}

.toggle-label {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
}
.toggle-label input {
  accent-color: var(--green-main);
}

/* TOC Panel */
.toc-panel {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
  box-shadow: var(--shadow-sm);
}
.toc-panel .panel-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}
.toc-panel .panel-header h3 {
  flex: 1;
  margin: 0;
  font-size: 1rem;
}
.toc-content {
  max-height: 300px;
  overflow-y: auto;
}
.toc-item {
  padding: var(--space-xs) 0;
}
.toc-item a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
}
.toc-item a:hover {
  color: var(--green-main);
}

/* Template Section */
.template-section {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  box-shadow: var(--shadow-sm);
}
.template-header {
  margin-bottom: var(--space-lg);
}
.template-header h3 {
  font-size: 1.1rem;
  margin: 0;
}
.template-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}
@media (max-width: 768px) {
  .template-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
.template-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-lg);
  background: var(--bg-secondary);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}
.template-card:hover {
  border-color: var(--green-main);
  background: var(--green-pale);
}
.template-icon {
  font-size: 1.5rem;
}
.template-title {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}
.template-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Fullscreen Modal */
.fullscreen-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-card);
  z-index: 1000;
  display: none;
  flex-direction: column;
}
.fullscreen-modal.active {
  display: flex;
}
.fullscreen-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-xl);
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
}
.fullscreen-header h3 {
  margin: 0;
  font-size: 1.1rem;
}
.fullscreen-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-2xl);
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

/* ============================================
   BMI Calculator Styles (Enhanced Design)
   ============================================ */

/* 2カラムWrapper */
.bmi-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  max-width: 1100px;
  margin: 0 auto var(--space-xl);
}

/* カード共通 */
.bmi-card {
  background: #fff;
  border-radius: 20px;
  padding: 28px;
  box-shadow: 0 12px 28px rgba(0,0,0,0.08);
  position: relative;
  overflow: hidden;
}

.bmi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}

.bmi-card--input::before {
  background: linear-gradient(90deg, #1aa37a, #2ecc71);
}

.bmi-card--result::before {
  background: linear-gradient(90deg, #f4c542, #f39c12);
}

.bmi-card__header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.bmi-card__icon {
  font-size: 1.2rem;
}

.bmi-card__title {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.bmi-card__body {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* 日本人平均比較バッジ */
.bmi-japan-compare {
  margin-left: auto;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}

.compare-label {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.compare-value {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 12px;
  background: #e8e8e8;
}

.compare-value.compare-average {
  background: #d4edda;
  color: #155724;
}

.compare-value.compare-lower {
  background: #cce5ff;
  color: #004085;
}

.compare-value.compare-higher {
  background: #fff3cd;
  color: #856404;
}

/* スライダー入力グループ */
.bmi-slider-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.bmi-slider-label {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-align: center;
}

.bmi-slider-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.bmi-range {
  flex: 1;
  height: 8px;
  -webkit-appearance: none;
  appearance: none;
  background: linear-gradient(90deg, #e0e0e0, #d0d0d0);
  border-radius: 4px;
  outline: none;
  cursor: pointer;
}

.bmi-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, #1aa37a, #0f9d8a);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(26, 163, 122, 0.4);
  transition: transform 0.15s, box-shadow 0.15s;
}

.bmi-range::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 4px 12px rgba(26, 163, 122, 0.5);
}

.bmi-range::-moz-range-thumb {
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, #1aa37a, #0f9d8a);
  border-radius: 50%;
  cursor: pointer;
  border: none;
}

.bmi-value-input {
  width: 80px;
  padding: 10px 8px;
  background: #fff;
  border: 2px solid #e0e0e0;
  border-radius: 12px;
  font-size: 1.1rem;
  font-weight: 600;
  color: #1aa37a;
  text-align: center;
  transition: border-color 0.2s;
}

.bmi-value-input:focus {
  outline: none;
  border-color: #1aa37a;
}

/* コンパクト入力（性別・年齢） */
.bmi-compact-inputs {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.bmi-gender-toggle {
  display: flex;
  gap: 6px;
}

.bmi-gender-btn {
  padding: 10px 18px;
  border: 2px solid #e0e0e0;
  border-radius: 25px;
  background: #fff;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s;
}

.bmi-gender-btn:hover {
  border-color: #1aa37a;
}

.bmi-gender-btn.active {
  background: linear-gradient(135deg, #1aa37a, #0f9d8a);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(26, 163, 122, 0.3);
}

.bmi-age-input {
  display: flex;
  align-items: center;
  gap: 8px;
}

.bmi-age-input label {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.bmi-age-input input {
  width: 60px;
  padding: 8px;
  border: 2px solid #e0e0e0;
  border-radius: 10px;
  font-size: 1rem;
  text-align: center;
}

.bmi-age-input span {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* 記録ボタン */
.bmi-record-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  height: 56px;
  background: linear-gradient(135deg, #1aa37a, #0f9d8a);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 9999px;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(15, 157, 138, 0.35);
  transition: all 0.2s;
  margin-top: 8px;
}

.bmi-record-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(15, 157, 138, 0.45);
}

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

.bmi-record-btn__icon {
  font-size: 1.1rem;
}

/* シェアボタン */
.bmi-share-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  height: 44px;
  background: #fff;
  color: #1aa37a;
  font-size: 0.9rem;
  font-weight: 500;
  border: 2px solid #1aa37a;
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.2s;
}

.bmi-share-btn:hover {
  background: #1aa37a;
  color: #fff;
}

/* BMIゲージ（改良版） */
.bmi-gauge-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 12px;
}

.bmi-gauge-svg {
  width: 220px;
  height: 130px;
}

.gauge-label-text {
  font-size: 10px;
  fill: #888;
  text-anchor: middle;
}

.gauge-needle-group {
  transition: transform 0.5s ease-out;
}

.bmi-gauge-value {
  text-align: center;
  margin-top: -15px;
}

.bmi-gauge-number {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  transition: color 0.3s;
}

.bmi-gauge-number.bmi-color--low { color: #3498db; }
.bmi-gauge-number.bmi-color--normal { color: #27ae60; }
.bmi-gauge-number.bmi-color--high { color: #e67e22; }
.bmi-gauge-number.bmi-color--danger { color: #e74c3c; }

.bmi-gauge-label {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-top: 4px;
  font-weight: 500;
}

/* 健康スコアリング */
.bmi-health-score {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: linear-gradient(135deg, #f8f9fa, #fff);
  border-radius: 16px;
  border: 1px solid #e8e8e8;
}

.health-score-ring {
  position: relative;
  width: 80px;
  height: 80px;
  flex-shrink: 0;
}

.health-score-ring svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.health-score-ring circle {
  transition: stroke-dashoffset 0.8s ease-out, stroke 0.3s;
}

.health-score-value {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.health-score-value span {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
}

.health-score-value small {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.health-score-info {
  flex: 1;
}

.health-score-title {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.health-score-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* 体型シルエット */
.bmi-silhouette-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px;
  background: #f8f9fa;
  border-radius: 12px;
}

.silhouette-container {
  width: 60px;
  height: 100px;
}

.body-silhouette {
  width: 100%;
  height: 100%;
}

.silhouette-label {
  margin-top: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

/* 目標体重リスト */
.bmi-targets-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.bmi-target-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: transparent;
  transition: background 0.2s;
}

.bmi-target-row:hover {
  background: #f8f9fa;
}

.bmi-target-row--highlight {
  background: linear-gradient(135deg, #fff0f3, #ffe8ec);
}

.bmi-target-row--highlight:hover {
  background: linear-gradient(135deg, #ffe8ec, #ffd6dd);
}

.bmi-target-icon {
  font-size: 1.1rem;
  width: 24px;
  text-align: center;
}

.bmi-target-name {
  flex: 1;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.bmi-target-name small {
  font-weight: 400;
  color: var(--text-muted);
}

.bmi-target-weight {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
  min-width: 70px;
  text-align: right;
}

.bmi-target-badge {
  background: linear-gradient(135deg, #e3f2fd, #bbdefb);
  color: #1565c0;
  font-size: 0.8rem;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 20px;
  white-space: nowrap;
}

.bmi-target-badge--achieved {
  background: linear-gradient(135deg, #c8e6c9, #a5d6a7);
  color: #2e7d32;
}

.bmi-target-badge--over {
  background: #e8e8e8;
  color: #666;
}

/* アドバイスボックス */
.bmi-advice-box {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: linear-gradient(135deg, #f5f7fa, #f0f2f5);
  border-radius: 14px;
  padding: 16px;
  margin-top: 8px;
  border-left: 4px solid #1aa37a;
}

.bmi-advice-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
}

.bmi-advice-text {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* セクション共通ヘッダー */
.bmi-section-header {
  margin-bottom: 20px;
}

.bmi-section-header h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 4px 0;
}

.section-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
}

/* 目標達成シミュレーター */
.bmi-simulator-section {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: var(--space-xl);
  box-shadow: var(--shadow-sm);
}

.bmi-simulator-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 24px;
}

.simulator-inputs {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.simulator-input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.simulator-input-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.simulator-input-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.simulator-input-wrap input {
  width: 100px;
  padding: 10px 12px;
  border: 2px solid #e0e0e0;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
}

.simulator-input-wrap input:focus {
  outline: none;
  border-color: #1aa37a;
}

.simulator-input-group select {
  padding: 10px 12px;
  border: 2px solid #e0e0e0;
  border-radius: 10px;
  font-size: 0.9rem;
  background: #fff;
}

.simulator-results {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.simulator-result-card {
  background: linear-gradient(135deg, #f8f9fa, #fff);
  border-radius: 14px;
  padding: 18px;
  text-align: center;
  border: 1px solid #e8e8e8;
}

.simulator-result-card .result-icon {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.simulator-result-card .result-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.simulator-result-card .result-value {
  font-size: 1.2rem;
  font-weight: 700;
  color: #1aa37a;
}

/* 詳細データセクション */
.bmi-details-section {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: var(--space-xl);
  box-shadow: var(--shadow-sm);
}

.bmi-details-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.bmi-detail-card {
  background: linear-gradient(135deg, #f8f9fa, #fff);
  border-radius: 14px;
  padding: 18px;
  text-align: center;
  border: 1px solid #e8e8e8;
  transition: transform 0.2s, box-shadow 0.2s;
}

.bmi-detail-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.bmi-detail-icon {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.bmi-detail-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.bmi-detail-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1aa37a;
}

.bmi-detail-unit {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* 栄養素セクション */
.bmi-nutrition-section {
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

.bmi-nutrition-section h4 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 16px 0;
}

.nutrition-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.nutrition-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nutrition-icon {
  font-size: 1.3rem;
}

.nutrition-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nutrition-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.nutrition-value {
  font-size: 0.9rem;
  font-weight: 600;
  color: #1aa37a;
}

.nutrition-bar {
  height: 6px;
  background: #e0e0e0;
  border-radius: 3px;
  overflow: hidden;
}

.nutrition-bar-fill {
  height: 100%;
  border-radius: 3px;
  width: 70%;
}

.water-bar { background: linear-gradient(90deg, #3498db, #2980b9); }
.protein-bar { background: linear-gradient(90deg, #e74c3c, #c0392b); }
.carb-bar { background: linear-gradient(90deg, #f39c12, #e67e22); }
.fat-bar { background: linear-gradient(90deg, #9b59b6, #8e44ad); }

/* 理想体重計算式比較 */
.bmi-formulas-section {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: var(--space-xl);
  box-shadow: var(--shadow-sm);
}

.formulas-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.formula-card {
  background: linear-gradient(135deg, #f0f4f8, #fff);
  border-radius: 14px;
  padding: 18px;
  text-align: center;
  border: 1px solid #e0e0e0;
  transition: transform 0.2s;
}

.formula-card:hover {
  transform: translateY(-2px);
}

.formula-name {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.formula-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.formula-weight {
  font-size: 1.3rem;
  font-weight: 700;
  color: #1aa37a;
}

/* 達成バッジセクション */
.bmi-badges-section {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: var(--space-xl);
  box-shadow: var(--shadow-sm);
}

.badges-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.badge-card {
  background: #fff;
  border-radius: 14px;
  padding: 20px 16px;
  text-align: center;
  border: 2px solid #e0e0e0;
  position: relative;
  transition: all 0.2s;
}

.badge-card.badge-earned {
  border-color: #f4c542;
  background: linear-gradient(135deg, #fffbeb, #fff);
}

.badge-card.badge-locked {
  opacity: 0.6;
}

.badge-icon {
  font-size: 2rem;
  margin-bottom: 8px;
}

.badge-name {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.badge-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.badge-date {
  font-size: 0.7rem;
  color: #27ae60;
  font-weight: 500;
}

.badge-locked-icon {
  font-size: 1rem;
  opacity: 0.5;
}

/* 履歴セクション */
.bmi-history-section {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: var(--space-xl);
  box-shadow: var(--shadow-sm);
}

.bmi-history-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.bmi-history-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0;
}

.bmi-history-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.bmi-history-chart {
  height: 250px;
  margin-bottom: 20px;
}

.bmi-history-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.bmi-history-empty {
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
}

.bmi-history-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  background: linear-gradient(135deg, #f8f9fa, #fff);
  border-radius: 12px;
  border: 1px solid #e8e8e8;
  transition: transform 0.2s;
}

.bmi-history-item:hover {
  transform: translateX(4px);
}

.bmi-history-date {
  font-size: 0.85rem;
  color: var(--text-muted);
  min-width: 90px;
}

.bmi-history-weight {
  font-weight: 600;
  min-width: 70px;
}

.bmi-history-bmi {
  color: var(--text-secondary);
  flex: 1;
}

.bmi-history-score {
  font-size: 0.85rem;
  color: #f39c12;
  font-weight: 500;
}

/* BMI分類表 */
.bmi-classification-table {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--border-color);
  border-radius: 12px;
  overflow: hidden;
}

.classification-row {
  display: grid;
  grid-template-columns: 1fr 1fr 2fr;
  gap: 16px;
  padding: 14px 18px;
  background: var(--bg-card);
}

.classification-row.classification-header {
  font-weight: 600;
  background: var(--bg-secondary);
}

.classification-row.underweight { border-left: 4px solid #3498db; }
.classification-row.normal { border-left: 4px solid #27ae60; }
.classification-row.overweight { border-left: 4px solid #f39c12; }
.classification-row.obese1 { border-left: 4px solid #e67e22; }
.classification-row.obese2 { border-left: 4px solid #e74c3c; }

/* コンフェッティキャンバス */
.confetti-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  display: none;
}

/* レスポンシブ */
@media (max-width: 900px) {
  .bmi-simulator-content {
    grid-template-columns: 1fr;
  }

  .simulator-results {
    grid-template-columns: repeat(4, 1fr);
  }

  .formulas-grid,
  .badges-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 800px) {
  .bmi-wrapper {
    grid-template-columns: 1fr;
  }

  .bmi-details-grid,
  .nutrition-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .simulator-results {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 500px) {
  .bmi-card {
    padding: 20px;
  }

  .bmi-compact-inputs {
    flex-direction: column;
    align-items: stretch;
  }

  .bmi-gender-toggle {
    justify-content: center;
  }

  .bmi-age-input {
    justify-content: center;
  }

  .bmi-health-score {
    flex-direction: column;
    text-align: center;
  }

  .bmi-details-grid,
  .nutrition-grid,
  .formulas-grid,
  .badges-grid,
  .simulator-results {
    grid-template-columns: 1fr 1fr;
  }

  .classification-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .classification-row span:first-child {
    font-weight: 600;
  }

  .bmi-history-item {
    flex-wrap: wrap;
    gap: 8px;
  }
}

/* ========================================
   QRアトリエ - デザインQRコード作成
   ======================================== */

/* アトリエ全体 */
.qr-atelier {
  font-family: 'Zen Maru Gothic', 'Hiragino Sans', 'Meiryo', sans-serif;
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 20px 60px;
}

@media (max-width: 600px) {
  .qr-atelier {
    padding-top: 80px;
  }
}

/* ヒーローセクション */
.qr-hero {
  text-align: center;
  padding: 50px 30px;
  background: linear-gradient(135deg, #fef6f9 0%, #f6f0ff 50%, #f0f7ff 100%);
  border-radius: 24px;
  margin-bottom: 32px;
  position: relative;
  overflow: hidden;
}

.qr-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,154,158,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.qr-hero-inner {
  position: relative;
  z-index: 1;
}

.qr-hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(255,255,255,0.8);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.qr-hero-title {
  font-size: 2.8rem;
  font-weight: 700;
  background: linear-gradient(135deg, #ff6b9d 0%, #9b59b6 50%, #4facfe 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0 0 12px 0;
  letter-spacing: -0.02em;
}

.qr-hero-tagline {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin: 0 0 8px 0;
  font-weight: 500;
}

.qr-hero-tagline .accent {
  color: #ff6b9d;
  font-weight: 700;
}

.qr-hero-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
}

/* セキュリティ通知 */
.qr-security {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: linear-gradient(135deg, #ecfdf5, #f0fdf4);
  border: 1px solid #a7f3d0;
  border-radius: 12px;
  margin-bottom: 32px;
}

.qr-security-icon {
  font-size: 1.3rem;
}

.qr-security-text {
  font-size: 0.9rem;
  color: #065f46;
}

/* メインレイアウト */
.qr-layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 32px;
  margin-bottom: 48px;
}

/* プレビューパネル */
.qr-preview-panel {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.qr-preview-wrap {
  background: #fff;
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  border: 1px solid #f0f0f0;
  margin-bottom: 16px;
}

.qr-preview {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fafafa;
  border: 2px dashed #e5e5e5;
  border-radius: 16px;
  overflow: hidden;
}

.qr-preview canvas,
.qr-preview svg {
  max-width: 100%;
  max-height: 100%;
}

.qr-preview-empty {
  text-align: center;
  color: var(--text-muted);
  padding: 40px;
}

.qr-preview-empty-icon {
  font-size: 3rem;
  margin-bottom: 12px;
  opacity: 0.4;
}

.qr-preview-empty p {
  margin: 0;
  font-size: 0.9rem;
}

.qr-preview-meta {
  text-align: center;
  margin-top: 12px;
}

.qr-char-count {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* アクションボタン */
.qr-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.qr-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 20px;
  border: none;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.qr-btn-icon {
  font-size: 1.1rem;
}

.qr-btn-primary {
  background: linear-gradient(135deg, #ff6b9d, #c44569);
  color: #fff;
}

.qr-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255,107,157,0.35);
}

.qr-btn-outline {
  background: #fff;
  color: var(--text-primary);
  border: 2px solid #e5e5e5;
}

.qr-btn-outline:hover {
  border-color: #ccc;
  background: #fafafa;
}

.qr-btn-danger {
  background: #fef2f2;
  color: #dc2626;
  border: 1px solid #fecaca;
}

.qr-btn-block {
  width: 100%;
}

.qr-btn-ghost {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 8px 12px;
  font-size: 0.85rem;
  cursor: pointer;
}

.qr-btn-ghost:hover {
  color: var(--text-primary);
}

/* コントロールパネル */
.qr-controls {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.qr-card {
  background: #fff;
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.04);
  border: 1px solid #f0f0f0;
}

.qr-card-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 20px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.qr-card-icon {
  font-size: 1.2rem;
}

/* 入力タブ */
.qr-input-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.qr-input-tab {
  flex: 1;
  padding: 10px 16px;
  border: 2px solid #e5e5e5;
  border-radius: 10px;
  background: #fff;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.qr-input-tab:hover {
  border-color: #ccc;
}

.qr-input-tab.active {
  border-color: #ff6b9d;
  background: #fff5f7;
  color: #c44569;
}

/* 入力フィールド */
.qr-input-field {
  display: none;
}

.qr-input-field.active {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.qr-input {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid #e5e5e5;
  border-radius: 12px;
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
}

.qr-input:focus {
  outline: none;
  border-color: #ff6b9d;
  box-shadow: 0 0 0 3px rgba(255,107,157,0.12);
}

.qr-textarea {
  min-height: 100px;
  resize: vertical;
}

.qr-select {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid #e5e5e5;
  border-radius: 12px;
  font-size: 1rem;
  background: #fff;
  cursor: pointer;
}

/* プリセット */
.qr-presets {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.qr-preset {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 14px 10px;
  border: 2px solid #e5e5e5;
  border-radius: 14px;
  background: #fff;
  cursor: pointer;
  transition: all 0.2s;
}

.qr-preset:hover {
  border-color: #ccc;
  transform: translateY(-2px);
}

.qr-preset.active {
  border-color: #ff6b9d;
  background: #fff5f7;
}

.qr-preset-swatch {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid rgba(0,0,0,0.08);
}

.qr-preset-name {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
}

/* タブ */
.qr-tabs {
  display: flex;
  gap: 4px;
  background: #f5f5f5;
  padding: 4px;
  border-radius: 12px;
  margin-bottom: 20px;
}

.qr-tab {
  flex: 1;
  padding: 10px 14px;
  border: none;
  border-radius: 10px;
  background: transparent;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.qr-tab:hover {
  color: var(--text-primary);
}

.qr-tab.active {
  background: #fff;
  color: #c44569;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.qr-tab-panel {
  display: none;
}

.qr-tab-panel.active {
  display: block;
}

/* フォームグループ */
.qr-form-group {
  margin-bottom: 24px;
}

.qr-form-group:last-child {
  margin-bottom: 0;
}

.qr-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-secondary);
}

.qr-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 8px;
}

/* カラーモード */
.qr-color-mode {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.qr-color-mode-btn {
  flex: 1;
  padding: 10px;
  border: 2px solid #e5e5e5;
  border-radius: 10px;
  background: #fff;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.qr-color-mode-btn.active {
  border-color: #ff6b9d;
  background: #fff5f7;
  color: #c44569;
}

/* カラーピッカー */
.qr-color-picker {
  display: flex;
  align-items: center;
  gap: 12px;
}

.qr-color-picker input[type="color"] {
  width: 50px;
  height: 50px;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  padding: 0;
}

.qr-color-picker input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 0;
}

.qr-color-picker input[type="color"]::-webkit-color-swatch {
  border: 2px solid rgba(0,0,0,0.1);
  border-radius: 12px;
}

.qr-color-value {
  font-family: monospace;
  font-size: 0.9rem;
  color: var(--text-secondary);
  min-width: 70px;
}

/* グラデーション */
.qr-color-gradient.hidden,
.qr-color-solid.hidden,
.hidden {
  display: none !important;
}

.qr-gradient-colors {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
}

.qr-gradient-colors .qr-color-picker {
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.qr-gradient-colors label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.qr-gradient-type {
  margin-bottom: 16px;
}

.qr-gradient-angle label {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.qr-gradient-angle input[type="range"],
.qr-range {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: #e5e5e5;
  outline: none;
  -webkit-appearance: none;
}

.qr-gradient-angle input[type="range"]::-webkit-slider-thumb,
.qr-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #ff6b9d;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(255,107,157,0.4);
}

/* シェイプ */
.qr-shapes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.qr-shapes-sm {
  grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
}

.qr-shape {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 8px;
  border: 2px solid #e5e5e5;
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
  transition: all 0.2s;
}

.qr-shape:hover {
  border-color: #ccc;
}

.qr-shape.active {
  border-color: #ff6b9d;
  background: #fff5f7;
}

.qr-shape svg {
  width: 28px;
  height: 28px;
  color: var(--text-secondary);
}

.qr-shape.active svg {
  color: #c44569;
}

.qr-shape span {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* スタンプ */
.qr-stamps {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.qr-stamp {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  border: 2px solid #e5e5e5;
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  transition: all 0.15s;
}

.qr-stamp:hover {
  transform: scale(1.1);
  border-color: #ccc;
}

.qr-stamp.active {
  border-color: #ff6b9d;
  background: #fff5f7;
}

/* ロゴ */
.qr-logo-upload {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.qr-logo-preview {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: #f9f9f9;
  border-radius: 12px;
  margin-top: 12px;
}

.qr-logo-preview img {
  width: 50px;
  height: 50px;
  object-fit: contain;
  border-radius: 8px;
  background: #fff;
}

/* レベル */
.qr-levels {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.qr-level {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 14px 8px;
  border: 2px solid #e5e5e5;
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
  transition: all 0.2s;
}

.qr-level:hover {
  border-color: #ccc;
}

.qr-level.active {
  border-color: #ff6b9d;
  background: #fff5f7;
}

.qr-level-name {
  font-size: 1.1rem;
  font-weight: 700;
}

.qr-level.active .qr-level-name {
  color: #c44569;
}

.qr-level-desc {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* 情報セクション */
.qr-info {
  display: flex;
  flex-direction: column;
  gap: 40px;
  margin-top: 48px;
}

.qr-section-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0 0 24px 0;
}

/* About */
.qr-about {
  background: #fff;
  border-radius: 20px;
  padding: 32px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.04);
}

.qr-about-text {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.qr-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.qr-feature {
  text-align: center;
}

.qr-feature-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.qr-feature h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 8px 0;
}

.qr-feature p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

/* 用途 */
.qr-usecases {
  background: #fff;
  border-radius: 20px;
  padding: 32px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.04);
}

.qr-usecase-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.qr-usecase {
  padding: 14px 16px;
  background: #f9f9f9;
  border-radius: 12px;
  font-size: 0.9rem;
  text-align: center;
  transition: all 0.2s;
}

.qr-usecase:hover {
  background: #f0f0f0;
  transform: translateY(-2px);
}

/* FAQ */
.qr-faq {
  background: #fff;
  border-radius: 20px;
  padding: 32px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.04);
}

.qr-faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.qr-faq-item {
  border: 1px solid #e5e5e5;
  border-radius: 12px;
  overflow: hidden;
}

.qr-faq-item summary {
  padding: 16px 20px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.qr-faq-item summary::-webkit-details-marker {
  display: none;
}

.qr-faq-item summary::after {
  content: '+';
  font-size: 1.2rem;
  color: var(--text-muted);
}

.qr-faq-item[open] summary::after {
  content: '−';
}

.qr-faq-item p {
  padding: 0 20px 16px;
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* フッター */
.qr-footer-note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 48px;
}

.qr-footer-note p {
  margin: 0;
}

/* レスポンシブ */
@media (max-width: 900px) {
  .qr-layout {
    grid-template-columns: 1fr;
  }

  .qr-preview-panel {
    position: static;
    max-width: 400px;
    margin: 0 auto;
  }

  .qr-presets {
    grid-template-columns: repeat(4, 1fr);
  }

  .qr-features {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .qr-usecase-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .qr-atelier {
    padding: 0 16px 40px;
  }

  .qr-hero {
    padding: 36px 20px;
  }

  .qr-hero-title {
    font-size: 2.2rem;
  }

  .qr-card {
    padding: 20px;
  }

  .qr-presets {
    grid-template-columns: repeat(3, 1fr);
  }

  .qr-shapes {
    grid-template-columns: repeat(2, 1fr);
  }

  .qr-stamps {
    grid-template-columns: repeat(6, 1fr);
  }

  .qr-levels {
    grid-template-columns: repeat(2, 1fr);
  }

  .qr-features {
    grid-template-columns: 1fr;
  }

  .qr-usecase-grid {
    grid-template-columns: 1fr 1fr;
  }

  .qr-actions {
    grid-template-columns: 1fr;
  }
}

/* スマホ用スティッキープレビュー */
@media (max-width: 768px) {
  .qr-preview-panel.sticky {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 90;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 12px 16px;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
    border-top: 1px solid rgba(255,107,157,0.2);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideUpPreview 0.3s ease;
  }

  @keyframes slideUpPreview {
    from {
      transform: translateY(100%);
      opacity: 0;
    }
    to {
      transform: translateY(0);
      opacity: 1;
    }
  }

  .qr-preview-panel.sticky .qr-preview-wrap {
    flex-shrink: 0;
  }

  .qr-preview-panel.sticky .qr-preview {
    width: 80px;
    height: 80px;
    min-height: auto;
    border-radius: 12px;
  }

  .qr-preview-panel.sticky .qr-preview canvas,
  .qr-preview-panel.sticky .qr-preview svg {
    max-width: 100%;
    max-height: 100%;
  }

  .qr-preview-panel.sticky .qr-preview-meta {
    display: none;
  }

  .qr-preview-panel.sticky .qr-actions {
    flex: 1;
    display: flex;
    gap: 8px;
    margin: 0;
  }

  .qr-preview-panel.sticky .qr-btn {
    flex: 1;
    padding: 10px 12px;
    font-size: 0.8rem;
  }

  .qr-preview-panel.sticky .qr-btn-icon {
    display: none;
  }

  .qr-preview-panel.sticky .qr-preview-empty {
    padding: 10px;
  }

  .qr-preview-panel.sticky .qr-preview-empty-icon {
    font-size: 1.5rem;
    margin-bottom: 0;
  }

  .qr-preview-panel.sticky .qr-preview-empty p {
    display: none;
  }

  /* スティッキー時のレイアウト調整 */
  .qr-layout.has-sticky-preview {
    padding-bottom: 120px;
  }
}

/* Quick Actions */
.quick-actions {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
}
.quick-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}
.quick-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-sm);
}
.quick-btn {
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.quick-btn:hover {
  background: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent);
}

/* Info Section */
.info-section {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
}
.info-header {
  margin-bottom: var(--space-lg);
}
.info-header h3 {
  font-size: 1rem;
  font-weight: 600;
}
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}
.info-item {
  background: var(--bg-secondary);
  padding: var(--space-md);
  border-radius: var(--radius-md);
}
.info-label {
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}
.info-content {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-secondary);
}
.info-content code {
  background: var(--brown-100);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

/* Usecase Section */
.usecase-section {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
}
.usecase-header {
  margin-bottom: var(--space-lg);
}
.usecase-header h3 {
  font-size: 1rem;
  font-weight: 600;
}
.usecase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
}
.usecase-card {
  background: var(--bg-secondary);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition-fast);
}
.usecase-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.usecase-icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}
.usecase-title {
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}
.usecase-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* History Section */
.history-section {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
}
.history-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
}
.history-header h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
}
.history-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.history-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
}
.history-item:hover {
  background: var(--accent-light);
  border-color: var(--accent);
}
.history-text {
  flex: 1;
  font-size: 0.9rem;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.history-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
}
.history-list:empty::before {
  content: '履歴はまだありません';
  display: block;
  text-align: center;
  padding: var(--space-xl);
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .quick-buttons {
    grid-template-columns: 1fr;
  }
  .info-grid {
    grid-template-columns: 1fr;
  }
  .usecase-grid {
    grid-template-columns: 1fr 1fr;
  }
  .history-item {
    flex-direction: column;
    align-items: flex-start;
  }
  .history-meta {
    font-size: 0.7rem;
  }
}

@media (max-width: 480px) {
  .usecase-grid {
    grid-template-columns: 1fr;
  }
}