/* リセットCSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #0011;
}

.container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    max-width: 100%;
    margin: 0 auto;
    background-color: #fff;
}

/* ヘッダー */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.header-icon {
    width: 1.5rem;
    height: 1.5rem;
}

/* メインコンテンツ */
.main-content {
    flex: 1;
    padding: 1rem;
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
    background-color: #0011;
}

/* カードコンテナ */
.cards-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* カード */
.card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    margin: 0 1rem;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

/* 質問部分 */
.question {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1.5rem;
    text-align: center;
}

.question h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.question-icon {
    width: 1.2rem;
    height: 1.2rem;
}

/* 選択肢コンテナ */
.options-container {
    padding: 1.5rem;
}

/* 選択肢ボタン */
.option-button {
    width: 100%;
    padding: 1rem;
    margin-bottom: 0.75rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    background: white;
    color: #333;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.75rem;
}

.option-icon {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
}

.option-button:hover {
    border-color: #667eea;
    background: #f8f9ff;
    transform: translateY(-1px);
}

.option-button:active {
    transform: translateY(0);
}

.option-button.selected {
    border-color: #667eea;
    background: #e3ffe3;
    color: #333;
}

.option-button:last-child {
    margin-bottom: 0;
}

.option-text {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.option-subtext {
    font-size: 0.85rem;
    opacity: 0.8;
    font-weight: 400;
}

/* 年式選択 */
.year-select {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    background: white;
    color: #333;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.year-select:hover {
    border-color: #667eea;
}

.year-select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* 見積もり結果 */
.estimate-container {
    padding: 1.5rem;
}

.estimate-summary {
    background: #f8f9ff;
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.estimate-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.estimate-item:last-child {
    margin-bottom: 0;
}

.estimate-label {
    font-weight: 600;
    color: #666;
}

.estimate-value {
    font-weight: 600;
    color: #333;
}

.price-display {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    margin-bottom: 1.5rem;
}

.price-total {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 3rem;
    gap: 0.5rem;
}

.price-label {
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.2;
    text-align: center;
}

.price-amount {
    font-size: 1.8rem;
    font-weight: 700;
    text-align: center;
}

.eco-price {
    background: linear-gradient(135deg, #4CAF50 0%, #45a049 100%);
    margin-top: 0.5rem;
}

.eco-breakdown {
    background: #f0f8f0;
    border-left: 3px solid #4CAF50;
}

.eco-breakdown .breakdown-value {
    text-align: right;
}

#eco-weight-tax {
    text-align: right !important;
    margin-left: auto !important;
}

.eco-breakdown {
    display: flex !important;
    justify-content: space-between !important;
}

.eco-breakdown .breakdown-value {
    text-align: right !important;
    margin-left: auto !important;
}

.price-breakdown {
    margin-bottom: 1.5rem;
}

.price-breakdown h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333;
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid #e0e0e0;
}

.breakdown-item:last-child {
    border-bottom: none;
}

.breakdown-label {
    font-weight: 500;
    color: #666;
    white-space: nowrap;
}

.breakdown-value {
    font-weight: 600;
    color: #333;
    white-space: nowrap;
}

.estimate-notes {
    margin-bottom: 1.5rem;
}

.note-text {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.note-text:last-child {
    margin-bottom: 0;
}

.eco-note {
    color: #4CAF50;
    font-weight: 500;
    background: #f0f8f0;
    padding: 0.75rem;
    border-radius: 6px;
    border-left: 3px solid #4CAF50;
    margin-bottom: 1rem;
}

.reservation-button {
    display: flex;
    justify-content: center;
    align-items: center;
}

.reservation-link {
    text-decoration: none;
}

.reservation-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.reservation-icon {
    width: 1.25rem;
    height: 1.25rem;
}

.reservation-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

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

/* フッター */
.footer {
    background: #f8f9fa;
    padding: 1rem;
    text-align: center;
    color: #666;
    font-size: 0.9rem;
    border-top: 1px solid #e0e0e0;
}

/* レスポンシブデザイン */

/* タブレット（768px以上） */
@media (min-width: 768px) {
    .container {
        max-width: 768px;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .main-content {
        padding: 2rem;
    }
    
    .question {
        padding: 2rem;
    }
    
    .question h3 {
        font-size: 1.2rem;
    }
    
    .options-container {
        padding: 2rem;
    }
    
    .option-button {
        padding: 1.2rem;
        font-size: 1.1rem;
    }
    
    .estimate-container {
        padding: 2rem;
    }
}

/* デスクトップ（1024px以上） */
@media (min-width: 1024px) {
    .container {
        max-width: 1024px;
    }
    
    .cards-container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
        gap: 2rem;
    }
    
    .card {
        max-width: 500px;
        margin: 0 auto;
    }
}

/* スマートフォン（480px以下） */
@media (max-width: 480px) {
    .header {
        padding: 0.75rem;
    }
    
    .header h1 {
        font-size: 1.3rem;
    }
    
    .main-content {
        padding: 0.75rem;
    }
    
    .question {
        padding: 1rem;
    }
    
    .question h3 {
        font-size: 1rem;
    }
    
    .options-container {
        padding: 1rem;
    }
    
    .option-button {
        padding: 0.875rem;
        font-size: 0.95rem;
    }
    
    .estimate-container {
        padding: 1rem;
    }
}

/* 横画面対応 */
@media (orientation: landscape) and (max-height: 500px) {
    .header {
        padding: 0.5rem;
    }
    
    .header h1 {
        font-size: 1.2rem;
    }
    
    .main-content {
        padding: 0.5rem;
    }
    
    .question {
        padding: 0.75rem;
    }
    
    .question h3 {
        font-size: 0.95rem;
    }
    
    .options-container {
        padding: 0.75rem;
    }
    
    .option-button {
        padding: 0.75rem;
        font-size: 0.9rem;
    }
    
    .estimate-container {
        padding: 0.75rem;
    }
}

/* アクセシビリティ */
@media (prefers-reduced-motion: reduce) {
    .card {
        transition: none;
    }
    
    .option-button {
        transition: none;
    }
    
    .reservation-btn {
        transition: none;
    }
}

/* ダークモード対応 */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #1a1a1a;
        color: #e0e0e0;
    }
    
    .container {
        background-color: #2a2a2a;
    }
    
    .card {
        background: #3a3a3a;
        box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    }
    
    .option-button {
        background: #3a3a3a;
        color: #e0e0e0;
        border-color: #555;
    }
    
    .option-button:hover {
        background: #4a4a4a;
        border-color: #667eea;
    }
    
    .year-select {
        background: #3a3a3a;
        color: #e0e0e0;
        border-color: #555;
    }
    
    .year-select:hover {
        border-color: #667eea;
    }
    
    .estimate-summary {
        background: #4a4a4a;
    }
    
    .breakdown-item {
        border-bottom-color: #555;
    }
    
    .footer {
        background: #1a1a1a;
        color: #999;
        border-top-color: #444;
    }
}