/* 
ファイル名: style.css
説明: サインジュエリーシステム専用スタイルシート
配置場所: /sign-jewelry/style.css
ターゲット: 働く女性向けクールデザイン
*/

/* ===== リセット・基本設定 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* メインカラー：クールなダークブルー系 */
    --primary-dark: #1a1a2e;
    --primary-medium: #16213e;
    --primary-light: #0f3460;
    
    /* アクセントカラー：エレガントなゴールド系 */
    --accent-gold: #c9a96e;
    --accent-light: #f4e4bc;
    --accent-bright: #d4af37;
    
    /* ニュートラル */
    --text-primary: #e8e8e8;
    --text-secondary: #b0b0b0;
    --text-muted: #888888;
    --surface-dark: #2a2a3e;
    --surface-medium: #3a3a4e;
    --surface-light: #4a4a5e;
    
    /* システムカラー */
    --success: #4ade80;
    --warning: #fbbf24;
    --error: #ef4444;
    --info: #3b82f6;
    
    /* 影とエフェクト */
    --shadow-subtle: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 8px 25px rgba(0, 0, 0, 0.15);
    --shadow-strong: 0 15px 35px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 20px rgba(201, 169, 110, 0.3);
    
    /* トランジション */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: 'Hiragino Sans', 'Yu Gothic', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-medium) 50%, var(--primary-light) 100%);
    min-height: 100vh;
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(201, 169, 110, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(201, 169, 110, 0.08) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* ===== レイアウト ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
}

/* ===== ヘッダー ===== */
.header {
    text-align: center;
    margin-bottom: 40px;
    animation: fadeInDown 1s ease-out;
}

.header h1 {
    font-size: clamp(28px, 5vw, 42px);
    font-weight: 300;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    letter-spacing: 2px;
}

.header p {
    font-size: 18px;
    color: #ffffff; /* グレーから白に変更 */
    font-weight: 400;
    opacity: 0.95;
    letter-spacing: 0.5px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* ===== ステップインジケーター ===== */
.step-indicator {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
    gap: 15px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.step {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--surface-dark);
    border: 2px solid var(--surface-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-bright));
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.step span {
    position: relative;
    z-index: 2;
}

.step.active {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-bright));
    border-color: var(--accent-gold);
    color: var(--primary-dark);
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.step.completed {
    background: var(--success);
    border-color: var(--success);
    color: white;
    transform: scale(1.05);
}

/* ===== カード ===== */
.card {
    background: rgba(42, 42, 62, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(201, 169, 110, 0.2);
    border-radius: 20px;
    padding: 30px;
    margin-bottom: 25px;
    box-shadow: var(--shadow-strong);
    animation: fadeInUp 0.8s ease-out;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
    animation: shimmer 3s infinite;
}

.card h2 {
    color: var(--accent-gold);
    font-size: 24px;
    font-weight: 400;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

/* ===== 入力方法選択 ===== */
.input-method-selector {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    justify-content: center;
    flex-wrap: wrap;
}

.method-btn {
    padding: 15px 30px;
    border: 2px solid var(--surface-light);
    border-radius: 25px;
    background: var(--surface-dark);
    color: #ffffff; /* グレーから白に変更 */
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.method-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(201, 169, 110, 0.1), transparent);
    transition: left var(--transition-slow);
}

.method-btn:hover::before {
    left: 100%;
}

.method-btn.active {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-bright));
    color: var(--primary-dark);
    border-color: var(--accent-gold);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.method-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
    border-color: var(--accent-gold);
}

/* ===== 入力セクション ===== */
.input-section {
    display: none;
    animation: fadeIn var(--transition-medium);
}

.input-section.active {
    display: block;
}

/* ===== 手書き入力エリア ===== */
.stabilization-controls {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

.stabilization-label {
    font-size: 14px;
    color: var(--accent-gold);
    font-weight: 600;
    margin-right: 10px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.toggle-btn {
    padding: 8px 16px;
    border: 2px solid var(--surface-light);
    border-radius: 20px;
    background: var(--surface-dark);
    color: #ffffff; /* グレーから白に変更 */
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-medium);
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.toggle-btn.active {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-bright));
    color: var(--primary-dark);
    border-color: var(--accent-gold);
    box-shadow: 0 2px 8px rgba(201, 169, 110, 0.3);
}

.toggle-btn:hover {
    border-color: var(--accent-gold);
    transform: translateY(-1px);
}

/* ===== Canvas エリア ===== */
.canvas-container {
    position: relative;
    margin-bottom: 25px;
}

/* Canvas背景は手書き用なので白、プレビュー用は別スタイル */
.writing-area {
    width: 100%;
    height: 220px;
    border: 3px dashed var(--surface-light);
    border-radius: 15px;
    cursor: crosshair;
    background: rgba(255, 255, 255, 0.95); /* 手書き用は白背景 */
    backdrop-filter: blur(5px);
    display: block;
    touch-action: none;
    transition: all var(--transition-medium);
}

.writing-area:hover {
    border-color: var(--accent-gold);
    background: rgba(255, 255, 255, 0.98); /* ホバー時も白背景 */
    box-shadow: 0 0 15px rgba(201, 169, 110, 0.2);
}

.canvas-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #333333;
    font-size: 18px;
    pointer-events: none;
    text-align: center;
    transition: opacity var(--transition-medium);
    font-weight: 500;
    text-shadow: 0 1px 3px rgba(255, 255, 255, 0.8);
    background: rgba(255, 255, 255, 0.9);
    padding: 12px 20px;
    border-radius: 8px;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.canvas-overlay small {
    color: #555555;
    font-size: 14px;
    display: block;
    margin-top: 8px;
    font-weight: 400;
}

/* ===== ガイドライン ===== */
.guide-lines {
    position: absolute;
    top: 3px;
    left: 3px;
    right: 3px;
    bottom: 3px;
    border-radius: 12px;
    pointer-events: none;
    z-index: 1;
    display: none;
}

.baseline {
    position: absolute;
    left: 20px;
    right: 20px;
    height: 1px;
    opacity: 0.8;
}

.baseline.top {
    top: 40px;
    background: #dc2626;
    box-shadow: 0 0 2px rgba(220, 38, 38, 0.5);
}

.baseline.center {
    top: 50%;
    transform: translateY(-50%);
    background: var(--accent-gold);
    opacity: 0.9;
    height: 2px;
    box-shadow: 0 0 3px rgba(201, 169, 110, 0.6);
}

.baseline.bottom {
    bottom: 40px;
    background: #dc2626;
    box-shadow: 0 0 2px rgba(220, 38, 38, 0.5);
}

.size-guide {
    position: absolute;
    top: 15px;
    left: 20px;
    right: 20px;
    height: 35px;
    border: 3px solid var(--accent-gold);
    border-radius: 8px;
    background: rgba(201, 169, 110, 0.25);
    pointer-events: none;
    z-index: 2;
    box-shadow: 0 0 5px rgba(201, 169, 110, 0.4);
}

.size-guide::before {
    content: '20mm幅の目安';
    position: absolute;
    top: -35px;
    left: 0;
    font-size: 13px;
    color: var(--accent-gold);
    font-weight: 600;
    background: rgba(26, 26, 46, 0.95);
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid var(--accent-gold);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.grid-overlay {
    position: absolute;
    top: 3px;
    left: 3px;
    right: 3px;
    bottom: 3px;
    background-image: 
        linear-gradient(to right, rgba(51, 51, 51, 0.4) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(51, 51, 51, 0.4) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.8;
    pointer-events: none;
    border-radius: 12px;
    display: none;
}

/* ===== 画像アップロード ===== */
.image-upload-area {
    border: 3px dashed var(--surface-light);
    border-radius: 15px;
    padding: 50px 30px;
    text-align: center;
    background: rgba(74, 74, 94, 0.3);
    backdrop-filter: blur(5px);
    transition: all var(--transition-medium);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.image-upload-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(201, 169, 110, 0.1), rgba(201, 169, 110, 0.05));
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.image-upload-area:hover {
    border-color: var(--accent-gold);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.image-upload-area:hover::before {
    opacity: 1;
}

.image-upload-area.dragover {
    border-color: var(--accent-gold);
    background: linear-gradient(135deg, rgba(201, 169, 110, 0.1), rgba(201, 169, 110, 0.05));
    transform: scale(1.02);
}

.upload-icon {
    font-size: 48px;
    margin-bottom: 20px;
    color: var(--accent-gold);
}

.upload-text {
    font-size: 20px;
    color: var(--text-primary);
    margin-bottom: 15px;
    font-weight: 500;
}

.upload-subtext {
    font-size: 14px;
    color: #ffffff; /* グレーから白に変更 */
    line-height: 1.5;
}

/* ===== 画像プレビュー ===== */
.image-preview {
    max-width: 100%;
    max-height: 300px;
    border-radius: 15px;
    margin: 20px 0;
    box-shadow: var(--shadow-medium);
}

.transparency-preview {
    background: 
        linear-gradient(45deg, rgba(200,200,200,0.3) 25%, transparent 25%), 
        linear-gradient(-45deg, rgba(200,200,200,0.3) 25%, transparent 25%), 
        linear-gradient(45deg, transparent 75%, rgba(200,200,200,0.3) 75%), 
        linear-gradient(-45deg, transparent 75%, rgba(200,200,200,0.3) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    background-color: #ffffff;
    padding: 20px;
    border-radius: 15px;
    display: inline-block;
}

.image-processing-controls {
    display: flex;
    gap: 12px;
    margin: 20px 0;
    justify-content: center;
    flex-wrap: wrap;
}

.processing-btn {
    padding: 10px 18px;
    border: 2px solid var(--accent-gold);
    border-radius: 20px;
    background: var(--surface-dark);
    color: var(--accent-gold);
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-medium);
    font-weight: 500;
}

.processing-btn:hover {
    background: var(--accent-gold);
    color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.processing-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.processing-btn.processing {
    background: linear-gradient(45deg, var(--accent-gold), var(--accent-bright));
    color: var(--primary-dark);
    animation: pulse 1.5s infinite;
}

.processing-status {
    text-align: center;
    padding: 15px;
    font-size: 14px;
    color: #ffffff; /* グレーから白に変更 */
    font-style: italic;
    background: rgba(74, 74, 94, 0.3);
    border-radius: 10px;
    margin: 15px 0;
}

/* ===== コントロールボタン ===== */
.controls {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width var(--transition-medium), height var(--transition-medium);
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-bright));
    color: var(--primary-dark);
    box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-strong);
}

.btn-secondary {
    background: var(--surface-dark);
    color: var(--text-primary);
    border: 2px solid var(--surface-light);
}

.btn-secondary:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-captured {
    background: linear-gradient(135deg, var(--success), #16a34a) !important;
    color: white !important;
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(74, 222, 128, 0.4);
    animation: pulse 2s infinite;
}

.btn-captured:hover {
    background: linear-gradient(135deg, #16a34a, #15803d) !important;
}

/* ===== サイズ・金属選択 ===== */
.size-selection, .metal-selection {
    margin-bottom: 30px;
}

.size-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 20px;
}

.metal-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.size-option, .metal-option {
    padding: 20px;
    border: 2px solid var(--surface-light);
    border-radius: 15px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-medium);
    background: rgba(74, 74, 94, 0.3);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.size-option::before, .metal-option::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(201, 169, 110, 0.1), transparent);
    transition: left var(--transition-slow);
}

.size-option:hover::before, .metal-option:hover::before {
    left: 100%;
}

.size-option:hover, .metal-option:hover {
    border-color: var(--accent-gold);
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.size-option.selected, .metal-option.selected {
    border-color: var(--accent-gold);
    background: linear-gradient(135deg, rgba(201, 169, 110, 0.2), rgba(201, 169, 110, 0.1));
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.size-name, .metal-name {
    font-weight: 600;
    font-size: 20px;
    margin-bottom: 8px;
    color: var(--accent-gold);
}

.metal-name {
    font-size: 18px;
}

.size-desc {
    font-size: 13px;
    color: #ffffff; /* グレーから白に変更 */
    margin-bottom: 10px;
    opacity: 0.8;
}

.size-price, .metal-price {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

/* ===== プレビューセクション（背景を白に変更） ===== */

/* プレビューセクション全体 - 背景は透明に */
#previewSection {
    background: transparent !important;
    border-radius: 15px;
    padding: 0;
    margin: 20px 0;
}

/* メインの画像プレビュー - 確実に白背景 */
.preview-image {
    max-width: 100%;
    border-radius: 15px;
    margin: 20px 0;
    box-shadow: var(--shadow-medium);
    background: #ffffff !important;
    padding: 15px;
    border: 2px solid var(--accent-gold);
}

.actual-size-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 25px;
    background: #ffffff !important; /* 白背景に変更 */
    backdrop-filter: none;
    border-radius: 15px;
    margin-top: 20px;
    border: 2px solid var(--accent-gold);
    box-shadow: var(--shadow-medium);
}

.preview-container {
    position: relative;
    background: #ffffff !important; /* 白背景に変更 */
    border: 2px solid var(--accent-gold);
    border-radius: 15px;
    padding: 25px;
    box-shadow: var(--shadow-medium);
}

.actual-size-canvas {
    border: 1px solid var(--surface-light);
    background: #ffffff !important; /* 白背景に変更 */
    border-radius: 10px;
}

.preview-label {
    font-size: 14px;
    color: #333333 !important; /* 濃いグレーに変更 */
    margin-bottom: 15px;
    text-align: center;
    font-weight: 600;
}

.3d-preview-section {
    margin-top: 30px;
    padding: 25px;
    background: #ffffff !important; /* 白背景に変更 */
    backdrop-filter: none;
    border-radius: 15px;
    border: 2px solid var(--accent-gold);
    position: relative;
    box-shadow: var(--shadow-medium);
}

.3d-preview-section .preview-label {
    font-size: 18px;
    color: #333333 !important; /* 濃いグレーに変更 */
    margin-bottom: 10px;
    text-align: center;
    font-weight: 600;
}

/* 3Dプレビューコンテナの背景調整 */
#threeDContainer {
    background: #ffffff !important; /* 白背景に変更 */
    width: 100%;
    height: 300px;
    border: 2px solid #ddd;
    border-radius: 15px;
    position: relative;
    overflow: hidden;
    cursor: grab;
}

/* 3Dプレビューの説明文も濃いグレーに */
.3d-preview-section p {
    font-size: 12px;
    color: #555555 !important;
    text-align: center;
    margin-bottom: 15px;
}

/* デバイス情報の文字色も濃いグレーに */
#deviceInfo {
    color: #555555 !important;
    font-weight: 500;
}

/* 3D読み込み中の文字色を濃いグレーに */
#threeDLoading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #333333 !important;
    text-align: center;
}

#threeDLoading > div:first-child {
    font-size: 18px;
    margin-bottom: 10px;
    font-weight: 600;
    color: #333333 !important;
}

#threeDLoading > div:last-child {
    font-size: 12px;
    color: #555555 !important;
}

/* デジタルジュエリー®の説明文 */
.3d-preview-section > div:last-child {
    text-align: center;
    margin-top: 10px;
    font-size: 11px;
    color: #666666 !important;
}

.3d-preview-section > div:last-child span {
    color: #667eea !important;
    font-weight: bold;
}

/* noPreviewメッセージ */
#noPreview {
    text-align: center;
    color: #cccccc;
    padding: 40px;
    font-style: italic;
}

/* ===== 注文セクション ===== */
.order-section {
    text-align: center;
    padding: 30px 0;
}

.price-display {
    font-size: 28px;
    font-weight: 600;
    color: var(--accent-gold);
    margin-bottom: 25px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.btn-order {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-bright));
    color: var(--primary-dark);
    font-size: 18px;
    font-weight: 600;
    padding: 18px 40px;
    border-radius: 30px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-strong);
}

.btn-order::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.btn-order:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(201, 169, 110, 0.4);
}

.btn-order:hover::before {
    left: 100%;
}

.btn-order:disabled {
    background: var(--surface-medium);
    color: var(--text-muted);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-order:disabled::before {
    display: none;
}

/* ===== フォーム ===== */
.order-form {
    background: rgba(42, 42, 62, 0.9);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(201, 169, 110, 0.2);
    border-radius: 20px;
    padding: 30px;
    margin-top: 25px;
    display: none;
}

.form-group {
    margin-bottom: 25px;
}

.form-label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    color: var(--accent-gold);
    font-size: 16px;
}

.form-input {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid var(--surface-light);
    border-radius: 10px;
    font-size: 16px;
    background: rgba(74, 74, 94, 0.5);
    color: var(--text-primary);
    transition: border-color var(--transition-medium);
    backdrop-filter: blur(10px);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.2);
}

.form-input.error {
    border-color: var(--error);
    background-color: rgba(239, 68, 68, 0.1);
}

.error-message {
    color: var(--error);
    font-size: 14px;
    margin-top: 8px;
    display: none;
}

.required {
    color: var(--error);
}

.optional {
    color: #ffffff; /* グレーから白に変更 */
    font-size: 14px;
    font-weight: 400;
}

/* ===== 注文内容確認エリアの文字色修正 ===== */
#orderSummary {
    background: #ffffff !important;
    padding: 15px;
    border-radius: 8px;
    margin: 20px 0;
    color: #333333 !important;
    border: 1px solid #ddd;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
}

#orderSummary * {
    color: #333333 !important;
}

#orderSummary div {
    color: #333333 !important;
    font-size: 14px;
}

/* 合計金額の行は濃い青色に */
#orderSummary div[style*="color: #667eea"] {
    color: #0056b3 !important;
}

#orderSummary div[style*="font-weight: bold"] {
    color: #0056b3 !important;
    font-weight: bold;
}

/* 注文フォームのヘッダー */
.order-form h3 {
    color: #333333 !important;
    margin-bottom: 20px;
}

/* 注文フォーム内の説明文 */
.order-form div[style*="font-size: 12px"] {
    color: #666666 !important;
}

/* ===== ユーティリティクラス ===== */
.hidden {
    display: none;
}

.loading-spinner {
    border: 3px solid rgba(201, 169, 110, 0.3);
    border-top: 3px solid var(--accent-gold);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 15px auto;
}

/* ===== アニメーション ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

@keyframes pulse {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 0 8px 25px rgba(201, 169, 110, 0.4);
    }
    50% { 
        transform: scale(1.05);
        box-shadow: 0 12px 35px rgba(201, 169, 110, 0.6);
    }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===== レスポンシブデザイン ===== */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .header h1 {
        font-size: 32px;
    }
    
    .card {
        padding: 25px 20px;
    }
    
    .writing-area {
        height: 250px;
    }
    
    .controls {
        justify-content: center;
    }
    
    .btn {
        flex: 1;
        min-width: 140px;
        margin-bottom: 10px;
    }
    
    .size-options {
        grid-template-columns: 1fr;
    }
    
    .metal-options {
        grid-template-columns: repeat(2, 1fr);
    }

    .input-method-selector {
        flex-direction: column;
        align-items: center;
    }

    .method-btn {
        width: 100%;
        max-width: 280px;
    }
    
    .step {
        width: 40px;
        height: 40px;
    }
    
    .stabilization-controls {
        justify-content: center;
    }
    
    .price-display {
        font-size: 24px;
    }
    
    /* モバイルでもプレビュー背景を白に */
    .preview-container,
    .actual-size-preview,
    .3d-preview-section,
    #threeDContainer,
    .preview-image {
        background: #ffffff !important;
    }
    
    .preview-label,
    .3d-preview-section .preview-label {
        color: #333333 !important;
        font-weight: 600;
    }
}

@media (max-width: 480px) {
    .metal-options {
        grid-template-columns: 1fr;
    }
    
    .step-indicator {
        gap: 10px;
    }
    
    .step {
        width: 35px;
        height: 35px;
        font-size: 14px;
    }
    
    .btn-order {
        padding: 15px 30px;
        font-size: 16px;
    }
}

/* ===== 高解像度ディスプレイ対応 ===== */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .card {
        border-width: 0.5px;
    }
    
    .size-option, .metal-option {
        border-width: 1px;
    }
}

/* ===== ダークモード追加対応 ===== */
@media (prefers-color-scheme: dark) {
    /* 既にダークテーマなので特別な調整は不要 */
}

/* ===== 高コントラスト対応 ===== */
@media (prefers-contrast: high) {
    :root {
        --accent-gold: #ffdf6b;
        --text-primary: #ffffff;
        --surface-light: #666677;
    }
    
    .card {
        border-width: 2px;
    }
    
    .btn {
        border-width: 2px;
    }
}

/* ===== モーション設定を尊重 ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .card::before {
        animation: none;
    }
    
    .btn-captured {
        animation: none;
    }
}

/* ===== プリント用スタイル ===== */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .card {
        background: white;
        border: 1px solid #ccc;
        box-shadow: none;
    }
    
    .btn, .method-btn, .toggle-btn {
        border: 1px solid #ccc;
        background: white;
        color: black;
    }
}

/* Canvas関連スタイル */
.canvas-container {
    position: relative;
    width: 100%;
    margin: 20px 0;
    background: #f8f9fa;
    border-radius: 10px;
    overflow: hidden;
}

.writing-area {
    width: 100%;
    height: 300px;
    cursor: crosshair;
    touch-action: none;
    background: white;
    display: block;
}

.canvas-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    pointer-events: none;
    font-size: 18px;
    color: #666;
}
/* ===== 完了 ===== */