/* 基本スタイル */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-gold: #d4af37;
    --secondary-gold: #f4e4bc;
    --dark-luxury: #1a1a1a;
    --light-luxury: #f8f6f3;
    --accent-black: #0a0a0a;
    --text-primary: #2c2c2c;
    --text-secondary: #666666;
    --shadow-luxury: rgba(0, 0, 0, 0.15);
    --gradient-luxury: linear-gradient(135deg, #1a1a1a 0%, #2c2c2c 50%, #1a1a1a 100%);
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    overflow-x: hidden;
    background: var(--light-luxury);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ヘッダー */
.header {
    background: rgba(248, 246, 243, 0.95);
    backdrop-filter: blur(20px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-gold) 0%, var(--secondary-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 4px rgba(212, 175, 55, 0.2);
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gold);
    transition: width 0.3s ease;
}

.nav a:hover {
    color: var(--primary-gold);
}

.nav a:hover::after {
    width: 100%;
}

/* メインビジュアル */
.hero {
    background: linear-gradient(rgba(10, 10, 10, 0.7), rgba(10, 10, 10, 0.7)), url('christmas3.png') center/cover no-repeat;
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 30%, rgba(244, 228, 188, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 40% 60%, rgba(212, 175, 55, 0.06) 0%, transparent 45%),
        radial-gradient(circle at 70% 80%, rgba(244, 228, 188, 0.08) 0%, transparent 55%),
        radial-gradient(circle at 10% 90%, rgba(212, 175, 55, 0.04) 0%, transparent 35%);
    animation: floatLight 20s ease-in-out infinite alternate;
}

@keyframes floatLight {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(10px, -10px) scale(1.05); }
    100% { transform: translate(-5px, 5px) scale(0.95); }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    color: white;
    text-align: center;
}

.limited-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(212, 175, 55, 0.15);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    margin-bottom: 1rem;
    backdrop-filter: blur(20px);
    animation: pulse 2s infinite;
    border: 1px solid rgba(212, 175, 55, 0.3);
}

.limited-badge i {
    color: var(--primary-gold);
}

.limited-badge span {
    font-weight: 700;
    color: white;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--primary-gold);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
}

.highlight {
    background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 4px 8px rgba(212, 175, 55, 0.3);
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.cta-primary, .cta-secondary {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.cta-primary {
    background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
    color: var(--dark-luxury);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.3);
    border: 2px solid var(--primary-gold);
}

.cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.cta-secondary {
    background: rgba(244, 228, 188, 0.2);
    color: var(--secondary-gold);
    backdrop-filter: blur(20px);
    border: 2px solid rgba(212, 175, 55, 0.4);
}

.cta-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-showcase {
    position: relative;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.product-image-placeholder {
    width: 300px;
    height: 300px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(20px);
    border: 2px solid rgba(212, 175, 55, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.product-image-placeholder i {
    font-size: 4rem;
    color: var(--primary-gold);
}

.discount-badge {
    position: absolute;
    top: -20px;
    right: -20px;
    background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
    color: var(--dark-luxury);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.2rem;
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.4);
    animation: rotate 3s linear infinite;
    border: 3px solid var(--light-luxury);
}

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

/* カウントダウンタイマー */
.countdown-section {
    background: var(--gradient-luxury);
    padding: 4rem 0;
    text-align: center;
    color: white;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.countdown-title {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 2rem;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.time-block {
    background: rgba(212, 175, 55, 0.15);
    backdrop-filter: blur(20px);
    padding: 2rem;
    border-radius: 15px;
    min-width: 120px;
    border: 2px solid rgba(212, 175, 55, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.time-value {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
}

.time-label {
    font-size: 1rem;
    opacity: 0.9;
}

.urgency-text {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(212, 175, 55, 0.15);
    padding: 1rem 2rem;
    border-radius: 50px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(212, 175, 55, 0.3);
}

.urgency-text i {
    color: var(--primary-gold);
}

/* 特徴セクション */
.features {
    padding: 6rem 0;
    background: var(--light-luxury);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    color: var(--text-primary);
    text-align: center;
    position: relative;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--primary-gold);
    border-radius: 2px;
}

.section-header p {
    font-size: 1.2rem;
    color: #666;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px var(--shadow-luxury);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(212, 175, 55, 0.1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: 0 10px 20px rgba(212, 175, 55, 0.3);
}

.feature-icon i {
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    color: #666;
    line-height: 1.8;
}

/* お客様の声 */
.testimonials {
    padding: 6rem 0;
    background: white;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px var(--shadow-luxury);
    border: 1px solid rgba(212, 175, 55, 0.1);
}

.stars {
    color: var(--primary-gold);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.testimonial-text {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark-luxury);
    font-weight: 700;
    font-size: 1.2rem;
}

.author-info h4 {
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.author-info span {
    color: #666;
    font-size: 0.9rem;
}

/* 価格プラン */
.pricing {
    padding: 6rem 0;
    background: var(--light-luxury);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px var(--shadow-luxury);
    transition: transform 0.3s ease;
    position: relative;
    border: 1px solid rgba(212, 175, 55, 0.1);
}

.pricing-card:hover {
    transform: translateY(-5px);
}

.pricing-card.featured {
    transform: scale(1.05);
    box-shadow: 0 20px 40px var(--shadow-luxury);
    border: 3px solid var(--primary-gold);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
    color: var(--dark-luxury);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.4);
}

.pricing-card h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.price {
    margin-bottom: 2rem;
}

.original-price {
    color: #999;
    font-size: 1rem;
    margin-right: 0.5rem;
}

.current-price {
    font-size: 3rem;
    font-weight: 900;
    color: var(--primary-gold);
    display: block;
    margin-bottom: 0.5rem;
}

.discount {
    background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
    color: var(--dark-luxury);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 700;
    display: inline-block;
}

.features-list {
    list-style: none;
    margin-bottom: 2.5rem;
    text-align: left;
}

.features-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.features-list li:last-child {
    border-bottom: none;
}

.features-list i {
    color: #4caf50;
    font-weight: 700;
}

.purchase-btn {
    width: 100%;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
    color: var(--dark-luxury);
    border: 2px solid var(--primary-gold);
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.purchase-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.4);
}

/* 緊急セクション */
.urgency {
    background: var(--gradient-luxury);
    padding: 4rem 0;
    color: white;
    text-align: center;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.urgency-content {
    max-width: 800px;
    margin: 0 auto;
}

.urgency-content h2 {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.urgency-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.stock-counter {
    margin-bottom: 2rem;
}

.stock-bar {
    width: 100%;
    height: 30px;
    background: rgba(212, 175, 55, 0.2);
    border-radius: 50px;
    overflow: hidden;
    margin-bottom: 1rem;
    border: 1px solid rgba(212, 175, 55, 0.3);
}

.stock-fill {
    height: 100%;
    background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
    transition: width 0.3s ease;
}

.stock-text {
    font-size: 1.1rem;
    font-weight: 700;
}

.urgent-cta {
    padding: 1.25rem 2.5rem;
    background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
    color: var(--dark-luxury);
    border: 2px solid var(--primary-gold);
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 900;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.3);
}

.urgent-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

/* フッター */
.footer {
    background: var(--dark-luxury);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-gold);
}

.footer-section p {
    line-height: 1.8;
    opacity: 0.8;
    margin-bottom: 0.5rem;
}

.footer-section i {
    margin-right: 0.5rem;
    color: var(--primary-gold);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(212, 175, 55, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-gold);
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid rgba(212, 175, 55, 0.3);
}

.social-links a:hover {
    background: var(--primary-gold);
    color: var(--dark-luxury);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
    opacity: 0.7;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .hero {
        padding: 60px 0 40px;
        min-height: 60vh;
    }
    
    .hero-content {
        display: block;
        text-align: center;
    }
    
    .hero-text {
        text-align: center !important;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .card-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .card-image {
        height: 150px;
    }
    
    .card-image i {
        font-size: 2rem;
    }
    
    .card-content {
        padding: 1.5rem;
    }
    
    .countdown-timer {
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .time-block {
        min-width: 80px;
        padding: 1rem;
    }
    
    .time-value {
        font-size: 2rem;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .nav ul {
        display: none;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
        line-height: 1.2;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .countdown-timer {
        gap: 0.5rem;
    }
    
    .time-block {
        min-width: 60px;
        padding: 0.75rem;
    }
    
    .time-value {
        font-size: 1.5rem;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

/* アニメーション */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeIn 0.8s ease forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* スクロールアニメーション */
.scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* フッターボタン */
.footer-buttons {
    padding: 4rem 0;
    background: var(--light-luxury);
}

.button-group {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 400px;
    margin: 0 auto;
}

.line-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.25rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.line-button.primary {
    background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
    color: var(--dark-luxury);
    border: 2px solid var(--primary-gold);
}

.line-button.secondary {
    background: transparent;
    color: var(--primary-gold);
    border: 2px solid var(--primary-gold);
}

.line-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.4);
}

.line-button i {
    font-size: 1.5rem;
}

@media (max-width: 768px) {
    .button-group {
        max-width: 300px;
    }
    
    .line-button {
        font-size: 1rem;
        padding: 1rem 1.5rem;
    }
}