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

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Header */
.header {
    background: linear-gradient(135deg, rgba(5, 5, 25, 0.98) 0%, rgba(10, 10, 35, 0.98) 100%);
    backdrop-filter: blur(15px);
    box-shadow: 0 2px 30px rgba(0,0,0,0.9);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(107, 142, 35, 0.1);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
}

.logo img {
    height: 40px;
}

.nav {
    display: flex;
    gap: 30px;
}

.nav a {
    text-decoration: none;
    color: #ffffff;
    font-weight: 500;
    transition: all 0.3s;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.nav a:hover {
    color: #ffffff;
    text-shadow: 0 0 15px rgba(143, 188, 143, 0.8);
}

/* Hero Section */
.hero {
    background: 
        /* 星空パターン */
        radial-gradient(2px 2px at 20px 30px, rgba(255, 255, 255, 0.9), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255, 255, 255, 0.7), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255, 255, 255, 1), transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(2px 2px at 160px 30px, rgba(255, 255, 255, 0.6), transparent),
        radial-gradient(1px 1px at 190px 60px, rgba(255, 255, 255, 0.9), transparent),
        radial-gradient(1px 1px at 220px 90px, rgba(255, 255, 255, 0.7), transparent),
        radial-gradient(2px 2px at 250px 20px, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(1px 1px at 280px 50px, rgba(255, 255, 255, 0.6), transparent),
        radial-gradient(1px 1px at 320px 80px, rgba(255, 255, 255, 0.9), transparent),
        /* 単色背景 */
        #002050;
    background-size: 350px 150px, 350px 150px, 350px 150px, 350px 150px, 350px 150px, 350px 150px, 350px 150px, 350px 150px, 350px 150px, 350px 150px, 100%;
    background-repeat: repeat, repeat, repeat, repeat, repeat, repeat, repeat, repeat, repeat, repeat, no-repeat;
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background-attachment: fixed;
    animation: starryNightShift 25s ease-in-out infinite;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        /* 追加の星空エフェクト */
        radial-gradient(1px 1px at 15% 25%, rgba(255, 255, 255, 0.9), transparent),
        radial-gradient(1px 1px at 45% 15%, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(2px 2px at 75% 35%, rgba(255, 255, 255, 0.7), transparent),
        radial-gradient(1px 1px at 85% 65%, rgba(255, 255, 255, 0.9), transparent),
        radial-gradient(2px 2px at 25% 75%, rgba(255, 255, 255, 0.6), transparent),
        /* 星座風エフェクト */
        radial-gradient(ellipse 200px 100px at 30% 40%, rgba(173, 216, 230, 0.08) 0%, transparent 70%),
        radial-gradient(ellipse 150px 75px at 70% 60%, rgba(176, 224, 230, 0.06) 0%, transparent 70%);
    background-size: 400px 200px, 400px 200px, 400px 200px, 400px 200px, 400px 200px, 100%, 100%;
    background-repeat: repeat, repeat, repeat, repeat, repeat, no-repeat, no-repeat;
    animation: starTwinkle 12s ease-in-out infinite;
    z-index: 1;
}

@keyframes starryNightShift {
    0%, 100% { 
        filter: hue-rotate(0deg) brightness(0.8);
        background-position: 0px 0px, 100px 0px, 200px 0px, 300px 0px, 0px 50px, 100px 50px, 200px 50px, 300px 50px, 0px 100px, 100px 100px;
    }
    25% { 
        filter: hue-rotate(15deg) brightness(0.9);
        background-position: 50px 25px, 150px 25px, 250px 25px, 350px 25px, 50px 75px, 150px 75px, 250px 75px, 350px 75px, 50px 125px, 150px 125px;
    }
    50% { 
        filter: hue-rotate(-10deg) brightness(1.1);
        background-position: 25px 50px, 125px 50px, 225px 50px, 325px 50px, 25px 100px, 125px 100px, 225px 100px, 325px 100px, 25px 150px, 125px 150px;
    }
    75% { 
        filter: hue-rotate(10deg) brightness(0.85);
        background-position: 75px 75px, 175px 75px, 275px 75px, 375px 75px, 75px 125px, 175px 125px, 275px 125px, 375px 125px, 75px 175px, 175px 175px;
    }
}

@keyframes backgroundShift {
    0%, 100% { 
        filter: hue-rotate(0deg) brightness(0.8); 
    }
    25% { 
        filter: hue-rotate(10deg) brightness(0.9); 
    }
    50% { 
        filter: hue-rotate(-5deg) brightness(1.1); 
    }
    75% { 
        filter: hue-rotate(5deg) brightness(0.85); 
    }
}

@keyframes starTwinkle {
    0%, 100% { 
        opacity: 0.6;
        background-position: 0px 0px, 100px 0px, 200px 0px, 50px 50px, 150px 50px;
    }
    25% { 
        opacity: 0.9;
        background-position: 25px 10px, 125px 10px, 225px 10px, 75px 60px, 175px 60px;
    }
    50% { 
        opacity: 1;
        background-position: 10px 20px, 110px 20px, 210px 20px, 60px 70px, 160px 70px;
    }
    75% { 
        opacity: 0.8;
        background-position: 35px 5px, 135px 5px, 235px 5px, 85px 55px, 185px 55px;
    }
}

@keyframes heroStars {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text h1 {
    color: #ffffff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-text p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
    margin-bottom: 30px;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(255, 255, 255, 0.8);
}

.hero-subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.7);
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 30px;
}

.badge {
    background: rgba(255, 255, 255, 0.95);
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.15);
    white-space: nowrap;
    backdrop-filter: blur(5px);
}

.hero-offer {
    background: linear-gradient(145deg, 
        rgba(34, 197, 94, 0.9) 0%, 
        rgba(22, 163, 74, 0.95) 30%,
        rgba(16, 185, 129, 0.92) 70%,
        rgba(5, 150, 105, 0.9) 100%
    );
    border: 1px solid rgba(34, 197, 94, 0.5);
    color: white;
    padding: 25px;
    border-radius: 15px;
    margin-bottom: 40px;
    text-align: center;
    backdrop-filter: blur(15px);
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.4),
        0 0 30px rgba(34, 197, 94, 0.3);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.offer-text {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.offer-subtext {
    font-size: 1rem;
    opacity: 0.9;
}

.cta-button {
    background: #ff6b6b;
    color: white;
    border: none;
    padding: 18px 40px;
    font-size: 1.2rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.cta-button:hover {
    background: #ff5252;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.3);
}

.cta-button.large {
    font-size: 1.4rem;
    padding: 20px 50px;
}

.cta-link {
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
}

.cta-link:hover {
    transform: translateY(-2px);
}

/* Image Slider Styles */
.image-slider {
    position: relative;
    max-width: 500px;
    margin: 0 auto;
}

.slider-container {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f8f8;
}

.slide.active {
    opacity: 1;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 20px;
}

.slider-nav {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    transform: translateY(-50%);
    pointer-events: none;
}

.slider-btn {
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    color:#000000;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: auto;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.slider-btn:hover {
    background: rgba(255, 255, 255, 1);
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 20px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(46, 125, 74, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: #2e7d4a;
    transform: scale(1.2);
}

.dot:hover {
    background: #2e7d4a;
    transform: scale(1.1);
}

/* Section Titles */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffffff;
    text-align: center;
    margin-bottom: 60px;
    text-shadow: 0 0 20px rgba(143, 188, 143, 0.6), 0 2px 10px rgba(0, 0, 0, 0.3);
}

.reviews-section .section-title {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: #2d5016;
    text-shadow: 0 2px 4px rgba(107, 142, 35, 0.1);
    position: relative;
    z-index: 3;
}

.reviews-section .subtitle {
    font-size: 1rem;
    font-weight: 300;
    color: #6B8E23;
    font-style: italic;
}

/* CBD About Section */
.cbd-about-section {
    background: 
        linear-gradient(135deg, rgba(15, 15, 45, 0.9) 0%, rgba(25, 25, 60, 0.9) 50%, rgba(20, 20, 55, 0.9) 100%),
        url('https://images.unsplash.com/photo-1419242902214-272b3f66ee7a?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2026&q=80') center/cover;
    background-attachment: fixed;
    padding: 100px 0;
    position: relative;
}

.cbd-about-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse 400px 300px at 20% 30%, rgba(107, 142, 35, 0.18) 0%, transparent 70%),
        radial-gradient(ellipse 300px 200px at 80% 70%, rgba(143, 188, 143, 0.12) 0%, transparent 70%);
    animation: cbdGlow 10s ease-in-out infinite;
    z-index: 1;
}

@keyframes cbdGlow {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

.cbd-intro {
    margin-bottom: 80px;
    position: relative;
    z-index: 2;
}

.cbd-intro-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
}

.cbd-intro-text h3 {
    font-size: 1.8rem;
    color: #ffffff;
    margin-bottom: 25px;
    font-weight: 600;
    text-shadow: 0 0 15px rgba(143, 188, 143, 0.6), 0 2px 8px rgba(0, 0, 0, 0.3);
}

.cbd-intro-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.cbd-intro-image {
    text-align: center;
}

.cbd-intro-image img {
    width: 100%;
    max-width: 250px;
    height: auto;
    object-fit: contain;
}

.cbd-benefits,
.cbd-usage {
    margin-bottom: 60px;
    position: relative;
    z-index: 2;
}

.cbd-benefits h3,
.cbd-usage h3,
.cbd-safety h3 {
    font-size: 1.8rem;
    color: #ffffff;
    text-align: center;
    margin-bottom: 40px;
    font-weight: 600;
    text-shadow: 0 0 15px rgba(143, 188, 143, 0.6), 0 2px 8px rgba(0, 0, 0, 0.3);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.benefit-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 30px 20px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
    border: 1px solid rgba(143, 188, 143, 0.2);
    transition: all 0.3s ease;
}

.benefit-item:hover {
    transform: translateY(-5px);
    background: rgba(143, 188, 143, 0.15);
    border: 1px solid rgba(143, 188, 143, 0.4);
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

.benefit-icon {
    font-size: 7.5rem;
    margin-bottom: 20px;
}

.benefit-item h4 {
    font-size: 1.2rem;
    color: #ffffff;
    margin-bottom: 15px;
    font-weight: 600;
    text-shadow: 0 0 15px rgba(143, 188, 143, 0.6), 0 2px 8px rgba(0, 0, 0, 0.3);
}

.benefit-item p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.usage-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.usage-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 25px 20px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
    border: 1px solid rgba(143, 188, 143, 0.2);
    transition: all 0.3s ease;
}

.usage-item:hover {
    transform: translateY(-3px);
    background: rgba(143, 188, 143, 0.15);
    border: 1px solid rgba(143, 188, 143, 0.4);
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

.usage-icon {
    font-size: 7.5rem;
    margin-bottom: 15px;
}

.usage-item h4 {
    font-size: 1.1rem;
    color: #ffffff;
    margin-bottom: 10px;
    font-weight: 600;
    text-shadow: 0 0 15px rgba(143, 188, 143, 0.6), 0 2px 8px rgba(0, 0, 0, 0.3);
}

.usage-item p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    line-height: 1.5;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.cbd-safety {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
    border: 1px solid rgba(143, 188, 143, 0.3);
    position: relative;
    z-index: 2;
}

.cbd-safety p {
    font-size: 1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
    text-align: center;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.safety-note {
    /* background: #fff3cd;
    border: 1px solid #ffeaa7; */
    padding: 15px 20px;
    border-radius: 10px;
    font-size: 0.9rem;
    color: #ffffff;
    text-align: center;
    margin-top: 20px;
}

/* Company Section */
.company-section {
    background: 
        linear-gradient(135deg, rgba(120, 80, 140, 0.7) 0%, rgba(160, 110, 170, 0.7) 50%, rgba(200, 140, 200, 0.7) 100%),
        url('https://images.unsplash.com/photo-1446776877081-d282a0f896e2?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2072&q=80') center/cover;
    background-attachment: fixed;
    padding: 100px 0;
    position: relative;
}

.company-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse 350px 250px at 70% 30%, rgba(255, 165, 0, 0.2) 0%, transparent 70%),
        radial-gradient(ellipse 250px 180px at 30% 80%, rgba(255, 140, 0, 0.15) 0%, transparent 70%),
        radial-gradient(ellipse 300px 200px at 50% 50%, rgba(255, 69, 0, 0.1) 0%, transparent 70%);
    animation: companyGlow 12s ease-in-out infinite;
    z-index: 1;
}

@keyframes companyGlow {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.8; }
}

/* Trust Section (for backward compatibility) */
.trust-section {
    background: 
        linear-gradient(135deg, rgba(25, 25, 112, 0.9) 0%, rgba(72, 61, 139, 0.9) 50%, rgba(106, 90, 205, 0.9) 100%),
        url('https://images.unsplash.com/photo-1446776877081-d282a0f896e2?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2072&q=80') center/cover;
    background-attachment: fixed;
    padding: 100px 0;
    position: relative;
}

.company-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 80px;
    position: relative;
    z-index: 2;
}

.company-profile {
    display: flex;
    gap: 30px;
    align-items: center;
}

.profile-image img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
}

.profile-text h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #ffffff;
    text-shadow: 0 0 15px rgba(143, 188, 143, 0.6), 0 2px 8px rgba(0, 0, 0, 0.3);
}

.profile-text p {
    color: #ffffff;
}

.company-details h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: #ffffff;
    text-shadow: 0 0 15px rgba(143, 188, 143, 0.6), 0 2px 8px rgba(0, 0, 0, 0.3);
}

.company-details ul {
    list-style: none;
    margin-bottom: 30px;
}

.company-details li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(143, 188, 143, 0.3);
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.map-embed {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

/* Safety Section */
.safety-section h3 {
    font-size: 2rem;
    color: #ffffff;
    text-align: center;
    margin-bottom: 50px;
}

.safety-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.safety-item {
    background: white;
    padding: 30px 20px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.safety-item:hover {
    transform: translateY(-5px);
}

.safety-icon {
    font-size: 7.5rem;
}

.safety-item h4 {
    font-size: 1.2rem;
    color: #ffffff;
    margin-bottom: 15px;
    font-weight: 600;
}

.safety-item p {
    color: #666;
    line-height: 1.6;
}

.certificates {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.certificates img {
    width: 200px;
    height: 280px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

/* Reviews Section */
.reviews-section {
    background: linear-gradient(135deg, #f8fff9, #e8f5e8);
    padding: 120px 0;
    overflow: hidden;
    position: relative;
}

.reviews-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse 200px 100px at 20% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 70%),
        radial-gradient(ellipse 150px 80px at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 70%),
        radial-gradient(ellipse 100px 60px at 60% 70%, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
    animation: starTwinkle 4s ease-in-out infinite;
}

.reviews-section::after {
    content: '🌙';
    position: absolute;
    top: 80px;
    right: 10%;
    font-size: 4rem;
    opacity: 0.8;
    animation: moonGlow 6s ease-in-out infinite;
}

@keyframes starTwinkle {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

@keyframes moonGlow {
    0%, 100% { 
        opacity: 0.6; 
        transform: scale(1) rotate(0deg);
        text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
    }
    50% { 
        opacity: 0.9; 
        transform: scale(1.1) rotate(5deg);
        text-shadow: 0 0 30px rgba(255, 255, 255, 0.8);
    }
}

.reviews-slider {
    position: relative;
    overflow: hidden;
    padding: 0 80px;
}

.reviews-container {
    display: flex;
    gap: 30px;
    transition: transform 0.5s ease;
    width: 100%;
    height: 630px;
    transform: translateX(0);
}

.review-card {
    flex: 0 0 calc(33.333% - 20px);
    min-width: calc(33.333% - 20px);
    max-width: calc(33.333% - 20px);
}

.review-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    transition: all 0.3s;
    border: 1px solid #e1e1e1;
    overflow: hidden;
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
}

/* プレミアム・スパ風カードスタイル */
.review-card.premium-spa {
    background: 
        linear-gradient(145deg, #ffffff, #f5f9f5),
        radial-gradient(ellipse at center, rgba(143, 188, 143, 0.03), transparent);
    border: none;
    border-radius: 30px;
    box-shadow: 
        0 25px 80px rgba(107, 142, 35, 0.12),
        0 8px 30px rgba(0, 0, 0, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    padding: 40px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    z-index: 2;
}

.review-card.premium-spa:hover {
    transform: translateY(-8px);
    box-shadow: 
        0 35px 100px rgba(107, 142, 35, 0.18),
        0 15px 40px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

/* 高級感アクセント */
.luxury-accent {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #6B8E23, #8FBC8F, #6B8E23);
    border-radius: 30px 30px 0 0;
}

.luxury-accent::after {
    content: '';
    position: absolute;
    right: 20px;
    top: 20px;
    width: 60px;
    height: 60px;
    background: radial-gradient(circle, rgba(107, 142, 35, 0.08), transparent 70%);
    border-radius: 50%;
}

.review-card:hover {
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    transform: translateY(-2px);
}

.reviews-nav {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    transform: translateY(-50%);
    pointer-events: none;
    z-index: 10;
}

.reviews-nav .prev {
    position: absolute;
    left: 20px;
}

.reviews-nav .next {
    position: absolute;
    right: 20px;
}

.reviews-btn {
    background: #2e7d4a;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: auto;
    box-shadow: 0 4px 15px rgba(46, 125, 74, 0.3);
    position: relative;
}

.reviews-section .reviews-btn {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: #ffffff;
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.3),
        0 0 15px rgba(255, 255, 255, 0.2) inset;
}

.reviews-btn:hover {
    background: #1e5c35;
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(46, 125, 74, 0.4);
}

.reviews-section .reviews-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
    box-shadow: 
        0 6px 25px rgba(0, 0, 0, 0.4),
        0 0 20px rgba(255, 255, 255, 0.3) inset;
}

.reviews-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* プレミアム・スパ風ヘッダー */
.review-card.premium-spa .review-header {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
    position: relative;
    padding: 0;
    border-bottom: none;
}

.customer-photo-container {
    position: relative;
    margin-right: 20px;
}

.customer-photo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 4px solid #6B8E23;
    box-shadow: 
        0 12px 30px rgba(107, 142, 35, 0.25),
        inset 0 2px 4px rgba(255, 255, 255, 0.8);
    object-fit: cover;
    position: relative;
    z-index: 2;
}


.customer-info h4 {
    font-family: 'Playfair Display', serif;
    font-size: 1.4rem;
    color: #2d5016;
    margin-bottom: 5px;
    font-weight: 600;
}

.customer-details {
    font-size: 0.9rem;
    color: #6B8E23;
    line-height: 1.4;
    font-weight: 400;
}

.wellness-icon {
    position: absolute;
    right: 0;
    top: 0;
    font-size: 2rem;
    opacity: 0.6;
    animation: floatIcon 4s ease-in-out infinite;
}

@keyframes floatIcon {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
}

.customer-photo {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    background: #f0f0f0;
}

.customer-info {
    flex: 1;
}

.customer-info h4 {
    color: #262626;
    margin-bottom: 2px;
    font-size: 14px;
    font-weight: 600;
}

.customer-info p {
    color: #8e8e8e;
    font-size: 12px;
}

/* プレミアム・スパ風コンテンツ */
.review-card.premium-spa .review-content {
    position: relative;
    margin-bottom: 25px;
    padding: 0;
    flex: none;
}

.quote-mark {
    position: absolute;
    left: -15px;
    top: -20px;
    font-family: 'Playfair Display', serif;
    font-size: 4rem;
    color: #6B8E23;
    opacity: 0.3;
    font-weight: 700;
    line-height: 1;
}

.review-text {
    font-size: 1rem;
    line-height: 1.8;
    color: #2d5016;
    font-weight: 400;
    padding-left: 25px;
    font-style: italic;
    position: relative;
}


.review-text {
    line-height: 1.5;
    color: #262626;
    font-size: 14px;
    flex: 1;
}

/* プレミアム・スパ風アクション */
.review-card.premium-spa .review-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid rgba(107, 142, 35, 0.15);
    margin-top: 0;
}

.review-like {
    background: linear-gradient(135deg, #6B8E23, #8FBC8F);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    box-shadow: 0 4px 15px rgba(107, 142, 35, 0.3);
}

.instagram-link a {
    display: inline-block;
    transition: transform 0.3s ease;
}

.instagram-link a:hover {
    transform: scale(1.1);
}

/* フュージョンラグジュアリーカード */
.review-card.fusion-luxury {
    background: linear-gradient(145deg, 
        rgba(26, 58, 27, 0.9) 0%, 
        rgba(45, 80, 22, 0.95) 30%,
        rgba(26, 48, 9, 0.92) 70%,
        rgba(26, 58, 27, 0.9) 100%
    );
    border: 1px solid rgba(143, 188, 143, 0.3);
    border-radius: 25px;
    padding: 40px;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(15px);
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    max-width: 350px;
    flex: 0 0 auto;
}


/* デュアルアクセント */
.dual-accent {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(107, 142, 35, 0.1) 0%, 
        transparent 30%, 
        transparent 70%, 
        rgba(143, 188, 143, 0.1) 100%
    );
    border-radius: 25px;
    pointer-events: none;
}

/* セレスティアルフレーム */
.celestial-frame {
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, 
        rgba(143, 188, 143, 0.3), 
        transparent, 
        rgba(107, 142, 35, 0.3), 
        transparent
    );
    border-radius: 27px;
    animation: frameRotation 12s linear infinite;
    pointer-events: none;
}

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

/* ヒーリングパターン */
.healing-pattern {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 30px;
    height: 30px;
    background: radial-gradient(circle, 
        rgba(143, 188, 143, 0.4) 0%, 
        rgba(107, 142, 35, 0.2) 50%, 
        transparent 100%
    );
    border-radius: 50%;
    animation: healingPulse 4s ease-in-out infinite;
    pointer-events: none;
}

@keyframes healingPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.6;
    }
    50% {
        transform: scale(1.3);
        opacity: 1;
    }
}

/* fusion-luxury 用のreview-header */
.review-card.fusion-luxury .review-header {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
    gap: 20px;
}

/* fusion-luxury 用のcustomer-photo-container */
.review-card.fusion-luxury .customer-photo-container {
    position: relative;
    width: 70px;
    height: 70px;
    flex-shrink: 0;
}

/* fusion-luxury 用のcustomer-photo */
.review-card.fusion-luxury .customer-photo {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid rgba(143, 188, 143, 0.3);
}

/* fusion-luxury 用のphoto-fusion */
.review-card.fusion-luxury .photo-fusion {
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border: 2px solid rgba(143, 188, 143, 0.5);
    border-radius: 50%;
    animation: fusionGlow 3s ease-in-out infinite;
}

/* fusion-luxury 用のcustomer-info */
.review-card.fusion-luxury .customer-info h4 {
    color: #ffffff;
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 8px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.review-card.fusion-luxury .customer-details {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.4;
}

/* fusion-luxury 用のreview-content */
.review-card.fusion-luxury .review-content {
    position: relative;
    margin-bottom: 30px;
}

.review-card.fusion-luxury .quote-mark {
    font-size: 4rem;
    color: rgba(143, 188, 143, 0.3);
    position: absolute;
    top: -20px;
    left: -10px;
    font-family: 'Playfair Display', serif;
    font-style: italic;
    pointer-events: none;
}

.review-card.fusion-luxury .review-text {
    font-size: 1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    padding-left: 20px;
}

/* fusion-luxury 用のreview-actions */
.review-card.fusion-luxury .review-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid rgba(143, 188, 143, 0.2);
}

/* fusion-luxury 用のinstagram関連 */
.review-card.fusion-luxury .instagram-link {
    display: flex;
    align-items: center;
}

.review-card.fusion-luxury .instagram-icon {
    width: 24px;
    height: 24px;
    opacity: 0.8;
    transition: all 0.3s ease;
    filter: brightness(1.5);
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.review-card.fusion-luxury .instagram-icon:hover {
    opacity: 1;
    transform: scale(1.1);
    filter: brightness(2);
}

@keyframes fusionGlow {
    0%, 100% {
        box-shadow: 0 0 10px rgba(143, 188, 143, 0.3);
        border-color: rgba(143, 188, 143, 0.3);
    }
    50% {
        box-shadow: 0 0 25px rgba(143, 188, 143, 0.7);
        border-color: rgba(143, 188, 143, 0.7);
    }
}

/* fusion-luxury 用のwellness-icon */
.review-card.fusion-luxury .wellness-icon {
    font-size: 2rem;
    animation: iconFusion 4s ease-in-out infinite;
    margin-left: auto;
}

@keyframes iconFusion {
    0%, 100% {
        transform: rotate(0deg) scale(1);
        filter: drop-shadow(0 0 5px rgba(143, 188, 143, 0.3));
    }
    25% {
        transform: rotate(-5deg) scale(1.1);
        filter: drop-shadow(0 0 15px rgba(143, 188, 143, 0.6));
    }
    75% {
        transform: rotate(5deg) scale(1.1);
        filter: drop-shadow(0 0 15px rgba(107, 142, 35, 0.6));
    }
}

/* fusion-luxury 用のreview-like */
.review-card.fusion-luxury .review-like {
    font-size: 1.1rem;
    font-weight: 600;
    color: #ffffff;
    background: linear-gradient(135deg, 
        rgba(143, 188, 143, 0.2) 0%, 
        rgba(107, 142, 35, 0.3) 100%
    );
    padding: 8px 15px;
    border-radius: 20px;
    border: 1px solid rgba(143, 188, 143, 0.3);
    animation: likeGlow 5s ease-in-out infinite;
}

@keyframes likeGlow {
    0%, 100% {
        box-shadow: 0 0 10px rgba(143, 188, 143, 0.2);
    }
    50% {
        box-shadow: 0 0 20px rgba(143, 188, 143, 0.4);
    }
}

.instagram-icon {
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.review-like {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #8e8e8e;
    font-size: 14px;
}

.instagram-icon {
    color: #e1306c;
    font-size: 16px;
}

/* Lineup Section */
.lineup-section {
    background: 
        linear-gradient(135deg, rgba(180, 120, 160, 0.6) 0%, rgba(220, 150, 180, 0.6) 50%, rgba(255, 180, 200, 0.6) 100%),
        url('https://images.unsplash.com/photo-1444927714506-8492d94b5ba0?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2076&q=80') center/cover;
    background-attachment: fixed;
    padding: 100px 0;
    position: relative;
}

.lineup-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse 300px 200px at 25% 40%, rgba(255, 140, 0, 0.25) 0%, transparent 70%),
        radial-gradient(ellipse 400px 250px at 75% 60%, rgba(255, 69, 0, 0.2) 0%, transparent 70%),
        radial-gradient(ellipse 200px 150px at 50% 80%, rgba(255, 20, 147, 0.15) 0%, transparent 70%);
    animation: productGlow 15s ease-in-out infinite;
    z-index: 1;
}

@keyframes productGlow {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 0.9; }
}

.lineup-header {
    text-align: center;
    margin-bottom: 80px;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.lineup-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 20px;
    letter-spacing: -1px;
    text-shadow: 0 0 20px rgba(143, 188, 143, 0.6), 0 2px 10px rgba(0, 0, 0, 0.3);
}

.lineup-header p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
}

/* Product Section */
.product-section {
    margin-bottom: 80px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(143, 188, 143, 0.2);
    position: relative;
    z-index: 2;
}

.product-section.featured {
    background: rgba(143, 188, 143, 0.1);
    backdrop-filter: blur(15px);
    margin: 0 20px 80px;
    border-radius: 20px;
    padding: 40px 0;
    border: 1px solid rgba(143, 188, 143, 0.3);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.product-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    padding: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.product-hero-image {
    position: relative;
    text-align: center;
}

.product-hero-image img {
    width: 100%;
    max-width: 300px;
    height: auto;
    object-fit: contain;
}

.popular-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: #f39c12;
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.product-hero-text h3 {
    font-size: 2rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 10px;
    line-height: 1.3;
    text-shadow: 0 0 15px rgba(143, 188, 143, 0.6), 0 2px 8px rgba(0, 0, 0, 0.3);
}

.product-subtitle {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 15px;
    font-weight: 400;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.product-catchcopy {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.product-details {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: 40px;
    max-width: 1200px;
    margin: 0 auto;
    border: 1px solid rgba(143, 188, 143, 0.2);
    border-radius: 15px;
}

.product-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
    background: #f8fdf9;
    padding: 30px;
    border-radius: 15px;
}

.info-item {
    text-align: center;
    padding: 15px;
}

.info-label {
    display: block;
    font-size: 1.5rem;
    color: #2aa354;
    margin-bottom: 8px;
}

.info-value {
    display: block;
    font-size: 2.2rem;
    font-weight: 700;
    color: #2aa354;
}

.product-description {
    margin-bottom: 30px;
}

.product-description p {
    font-size: 1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
}

.product-pricing {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.price-display {
    display: flex;
    align-items: center;
    gap: 15px;
}

.price-original {
    text-decoration: line-through;
    color: #ffffff;
    font-size: 3rem;
}

.price-sale {
    font-size: 4.0rem;
    font-weight: 700;
    color: #ffffff;
    text-shadow: 
        0 0 10px rgba(143, 188, 143, 0.8),
        0 0 20px rgba(143, 188, 143, 0.6),
        0 0 30px rgba(143, 188, 143, 0.4),
        0 2px 5px rgba(0, 0, 0, 0.3);
    animation: priceGlow 3s ease-in-out infinite;
}

@keyframes priceGlow {
    0%, 100% {
        text-shadow: 
            0 0 10px rgba(143, 188, 143, 0.8),
            0 0 20px rgba(143, 188, 143, 0.6),
            0 0 30px rgba(143, 188, 143, 0.4),
            0 2px 5px rgba(0, 0, 0, 0.3);
    }
    50% {
        text-shadow: 
            0 0 15px rgba(143, 188, 143, 1),
            0 0 30px rgba(143, 188, 143, 0.8),
            0 0 45px rgba(143, 188, 143, 0.6),
            0 0 60px rgba(143, 188, 143, 0.4),
            0 2px 8px rgba(0, 0, 0, 0.4);
    }
}

.price-discount {
    background: #e74c3c;
    color: white;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

.product-buy-btn {
    background: linear-gradient(145deg, 
        rgba(34, 197, 94, 0.9) 0%, 
        rgba(22, 163, 74, 0.95) 30%,
        rgba(16, 185, 129, 0.92) 70%,
        rgba(5, 150, 105, 0.9) 100%
    );
    border: 1px solid rgba(34, 197, 94, 0.5);
    color: white;
    padding: 15px 40px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 150px;
    box-shadow: 
        0 4px 15px rgba(0, 0, 0, 0.2),
        0 0 20px rgba(34, 197, 94, 0.2);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.product-buy-btn:hover {
    background: linear-gradient(145deg, 
        rgba(74, 222, 128, 0.9) 0%, 
        rgba(34, 197, 94, 0.95) 30%,
        rgba(16, 185, 129, 0.92) 70%,
        rgba(22, 163, 74, 0.9) 100%
    );
    transform: translateY(-2px);
    box-shadow: 
        0 8px 25px rgba(0, 0, 0, 0.3),
        0 0 30px rgba(74, 222, 128, 0.4);
}

/* Product Variations Section */
.product-variations-section {
    background: 
        radial-gradient(circle at 25% 25%, rgba(107, 142, 35, 0.4) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(143, 188, 143, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(34, 139, 34, 0.2) 0%, transparent 60%),
        linear-gradient(135deg, 
            rgba(22, 50, 22, 0.95) 0%, 
            rgba(34, 80, 34, 0.92) 25%, 
            rgba(46, 95, 46, 0.95) 50%, 
            rgba(34, 80, 34, 0.92) 75%, 
            rgba(22, 50, 22, 0.95) 100%
        );
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.product-variations-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(1px 1px at 15% 20%, rgba(255, 255, 255, 0.3), transparent),
        radial-gradient(1px 1px at 35% 40%, rgba(255, 255, 255, 0.4), transparent),
        radial-gradient(2px 2px at 55% 15%, rgba(255, 255, 255, 0.2), transparent),
        radial-gradient(1px 1px at 75% 35%, rgba(255, 255, 255, 0.5), transparent),
        radial-gradient(1px 1px at 85% 60%, rgba(255, 255, 255, 0.3), transparent),
        radial-gradient(2px 2px at 25% 70%, rgba(255, 255, 255, 0.4), transparent),
        radial-gradient(1px 1px at 45% 85%, rgba(255, 255, 255, 0.3), transparent);
    background-size: 200px 200px;
    background-repeat: repeat;
    animation: greenSpaSparkle 15s ease-in-out infinite;
    pointer-events: none;
    z-index: 1;
}

@keyframes greenSpaSparkle {
    0%, 100% { 
        opacity: 0.4;
        background-position: 0px 0px, 50px 0px, 100px 0px, 150px 0px, 0px 50px, 50px 50px, 100px 50px;
    }
    25% { 
        opacity: 0.7;
        background-position: 10px 10px, 60px 10px, 110px 10px, 160px 10px, 10px 60px, 60px 60px, 110px 60px;
    }
    50% { 
        opacity: 0.9;
        background-position: 5px 20px, 55px 20px, 105px 20px, 155px 20px, 5px 70px, 55px 70px, 105px 70px;
    }
    75% { 
        opacity: 0.6;
        background-position: 15px 5px, 65px 5px, 115px 5px, 165px 5px, 15px 55px, 65px 55px, 115px 55px;
    }
}

.product-variations {
    padding: 60px 40px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    margin: 0 20px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(143, 188, 143, 0.3);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 2;
}

.product-variations h3 {
    font-size: 1.5rem;
    color: #ffffff;
    margin-bottom: 40px;
    font-weight: 600;
    text-shadow: 0 0 20px rgba(143, 188, 143, 0.6), 0 2px 10px rgba(0, 0, 0, 0.3);
}

.variations-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.variation-item {
    text-align: center;
    padding: 20px;
}

.variation-icon {
    font-size: 7.5rem;
    margin-bottom: 15px;
}

.variation-item h4 {
    font-size: 1rem;
    color: #ffffff;
    margin-bottom: 8px;
    font-weight: 600;
    text-shadow: 0 0 15px rgba(143, 188, 143, 0.6), 0 2px 8px rgba(0, 0, 0, 0.3);
}

.variation-item p {
    font-size: 0.9rem;
    color: #ffffff;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
}

/* FAQ Section */
.faq-section {
    background: 
        linear-gradient(135deg, rgba(220, 160, 180, 0.6) 0%, rgba(255, 190, 200, 0.6) 50%, rgba(255, 215, 220, 0.6) 100%),
        url('https://images.unsplash.com/photo-1444927714506-8492d94b5ba0?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2076&q=80') center/cover;
    background-attachment: fixed;
    padding: 100px 0;
    position: relative;
}

.faq-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse 250px 180px at 80% 20%, rgba(255, 215, 0, 0.3) 0%, transparent 70%),
        radial-gradient(ellipse 300px 200px at 20% 80%, rgba(255, 165, 0, 0.25) 0%, transparent 70%),
        radial-gradient(ellipse 200px 150px at 50% 50%, rgba(255, 69, 0, 0.2) 0%, transparent 70%);
    animation: faqGlow 18s ease-in-out infinite;
    z-index: 1;
}

@keyframes faqGlow {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.7; }
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.faq-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    margin-bottom: 20px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    border: 1px solid rgba(143, 188, 143, 0.2);
}

.faq-question {
    width: 100%;
    padding: 25px 30px;
    background: none;
    border: none;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 600;
    color: #ffffff;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s;
    text-shadow: 0 0 15px rgba(143, 188, 143, 0.6), 0 2px 8px rgba(0, 0, 0, 0.3);
}

.faq-question:hover {
    background: rgba(143, 188, 143, 0.1);
}

.faq-icon {
    font-size: 1.5rem;
    transition: transform 0.3s;
}

.faq-answer {
    padding: 0 30px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-answer.active {
    padding: 0 30px 25px;
    max-height: 500px;
}

.faq-answer p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* Purchase Section */
.purchase-section {
    background: 
        linear-gradient(135deg, rgba(255, 180, 200, 0.6) 0%, rgba(255, 200, 220, 0.6) 50%, rgba(255, 220, 240, 0.6) 100%),
        url('https://images.unsplash.com/photo-1506905925346-21bda4d32df4?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80') center/cover;
    background-attachment: fixed;
    padding: 100px 0;
    color: white;
    text-align: center;
    position: relative;
}

.purchase-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse 400px 300px at 50% 50%, rgba(255, 215, 0, 0.35) 0%, transparent 70%),
        radial-gradient(ellipse 300px 200px at 30% 70%, rgba(255, 105, 180, 0.25) 0%, transparent 70%),
        radial-gradient(ellipse 250px 180px at 70% 30%, rgba(255, 20, 147, 0.2) 0%, transparent 70%);
    animation: purchaseGlow 20s ease-in-out infinite;
    z-index: 1;
}

@keyframes purchaseGlow {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.8; }
}

.purchase-section .section-title {
    color: white;
}

.offer-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.offer-item {
    background: rgba(255,255,255,0.25);
    padding: 30px 20px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.offer-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.payment-methods {
    margin-bottom: 50px;
}

.payment-methods h4 {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.payment-icons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.payment-icons img {
    height: 30px;
}

.guarantee-text {
    margin-top: 20px;
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 50px 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.footer-info h4 {
    margin-bottom: 20px;
    color: #ffffff;
}

.footer-info p {
    margin-bottom: 10px;
    opacity: 0.8;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-links a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-links a:hover {
    opacity: 1;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 40px;
    border-radius: 20px;
    width: 90%;
    max-width: 800px;
    position: relative;
}

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 2rem;
    cursor: pointer;
    color: #999;
}

.close:hover {
    color: #333;
}

.modal-products {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.modal-product {
    text-align: center;
    padding: 20px;
    border: 2px solid #f0f0f0;
    border-radius: 15px;
    transition: border-color 0.3s;
}

.modal-product:hover {
    border-color: #2e7d4a;
}

.modal-product img {
    width: 100px;
    height: 100px;
    object-fit: contain;
    border-radius: 10px;
    margin-bottom: 15px;
    background: #f8f8f8;
    padding: 5px;
}

.modal-product h4 {
    margin-bottom: 10px;
    color: #ffffff;
}

.add-to-cart {
    background: #2e7d4a;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    transition: background-color 0.3s;
    margin-top: 10px;
}

.add-to-cart:hover {
    background: #1e5c35;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .company-info {
        grid-template-columns: 1fr;
    }
    
    .company-profile {
        flex-direction: column;
        text-align: center;
    }
    
    .safety-grid {
        grid-template-columns: 1fr;
    }
    
    .reviews-slider {
        padding: 0 60px;
        height: 680px;
        min-height: 680px;
    }
    
    .reviews-container {
        margin-left: -35px;
        padding-right: 60px;
    }
    
    .review-card {
        flex: 0 0 calc(100% - 20px);
        min-width: calc(100% - 20px);
        max-width: calc(100% - 20px);
        height: 680px;
        min-height: 680px;
    }
    
    .reviews-nav {
        padding: 0 10px;
    }
    
    .reviews-section {
        background-attachment: scroll;
    }
    
    .reviews-nav .prev {
        left: 10px;
    }
    
    .reviews-nav .next {
        right: 10px;
    }
    
    .reviews-btn {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .lineup-header h2 {
        font-size: 2rem;
    }
    
    .product-hero {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 20px;
        text-align: center;
    }
    
    .product-details {
        padding: 20px;
    }
    
    .product-info-grid {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 20px;
    }
    
    .product-pricing {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    
    .variations-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .cbd-intro-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .usage-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .nav {
        display: none;
    }
    
    .hero-badges {
        justify-content: center;
    }
    
    .slider-container {
        height: 400px;
    }
    
    .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .slider-nav {
        padding: 0 15px;
    }
    
    .certificates {
        flex-direction: column;
        align-items: center;
    }
    
    .offer-details {
        grid-template-columns: 1fr;
    }
    
    .payment-icons {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 100px 0 60px;
        background-size: cover;
        background-position: center;
    }
    
    .slider-container {
        height: 300px;
    }
    
    .image-slider {
        max-width: 100%;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .trust-section,
    .reviews-section {
        padding: 60px 0 200px 0;
        min-height: 100vh;
    }
    
    .products-section,
    .faq-section,
    .purchase-section {
        padding: 60px 0;
    }
    
    .faq-item {
        margin: 0 10px;
    }
    
    .reviews-slider {
        padding: 0 40px;
    }
    
    .reviews-nav .prev {
        left: 5px;
    }
    
    .reviews-nav .next {
        right: 5px;
    }
    
    .review-card {
        flex: 0 0 calc(100% - 20px);
        min-width: calc(100% - 20px);
        max-width: calc(100% - 20px);
    }
    
    .product-section.featured {
        margin: 0 10px 60px;
        padding: 20px 0;
    }
    
    .product-variations {
        margin: 0 10px;
    }
    
    .product-hero-text h3 {
        font-size: 1.5rem;
    }
    
    .price-display {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .product-buy-btn {
        width: 100%;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .cbd-benefits h3,
    .cbd-usage h3,
    .cbd-safety h3 {
        font-size: 1.5rem;
    }
    
    .modal-content {
        margin: 10% auto;
        padding: 20px;
    }
    
    .modal-products {
        grid-template-columns: 1fr;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(25, 25, 112, 0.2);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #8FBC8F, #6B8E23);
    border-radius: 4px;
    box-shadow: 0 0 10px rgba(143, 188, 143, 0.3);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #9ACD32, #8FBC8F);
    box-shadow: 0 0 15px rgba(143, 188, 143, 0.5);
}

/* Sustainability Section */
.sustainability-section {
    padding: 80px 0;
    background: 
        linear-gradient(135deg, rgba(255, 220, 240, 0.5) 0%, rgba(255, 240, 250, 0.5) 50%, rgba(255, 250, 255, 0.5) 100%),
        url('https://images.unsplash.com/photo-1441974231531-c6227db76b6e?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2071&q=80') center/cover;
    background-attachment: fixed;
    position: relative;
}

.sustainability-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse 300px 200px at 30% 50%, rgba(255, 215, 0, 0.4) 0%, transparent 70%),
        radial-gradient(ellipse 200px 150px at 70% 30%, rgba(255, 140, 0, 0.35) 0%, transparent 70%),
        radial-gradient(ellipse 250px 180px at 50% 80%, rgba(255, 69, 0, 0.3) 0%, transparent 70%);
    animation: sustainabilityGlow 22s ease-in-out infinite;
    z-index: 1;
}

@keyframes sustainabilityGlow {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.6; }
}

.sustainability-hero {
    text-align: center;
    margin-bottom: 60px;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.sustainability-hero h2 {
    font-size: 2.5rem;
    font-weight: 300;
    color: #2d5a3d;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.sustainability-hero p {
    font-size: 1.1rem;
    color: #666;
    font-weight: 300;
}

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

.sustainability-item {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 60px;
    padding: 40px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.sustainability-item.reverse {
    grid-template-columns: 2fr 1fr;
}

.sustainability-item.reverse .sustainability-image {
    order: 2;
}

.sustainability-item.reverse .sustainability-text {
    order: 1;
}

.sustainability-image {
    text-align: center;
}

.image-placeholder {
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, #2d5a3d 0%, #4a7c59 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.icon {
    font-size: 3rem;
    color: white;
}

.sustainability-text h3 {
    font-size: 1.5rem;
    color: #2d5a3d;
    margin-bottom: 20px;
    font-weight: 600;
}

.sustainability-text p {
    font-size: 1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
}

/* Shop Links Section */
.shop-links-section {
    padding: 80px 0;
    background: 
        linear-gradient(135deg, rgba(255, 240, 250, 0.4) 0%, rgba(255, 250, 255, 0.4) 50%, rgba(255, 255, 255, 0.4) 100%),
        url('https://images.unsplash.com/photo-1444927714506-8492d94b5ba0?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2076&q=80') center/cover;
    background-attachment: fixed;
    position: relative;
}

.shop-links-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse 350px 250px at 60% 40%, rgba(255, 215, 0, 0.5) 0%, transparent 70%),
        radial-gradient(ellipse 250px 180px at 40% 60%, rgba(255, 140, 0, 0.4) 0%, transparent 70%),
        radial-gradient(ellipse 300px 200px at 80% 20%, rgba(255, 69, 0, 0.35) 0%, transparent 70%);
    animation: shopGlow 25s ease-in-out infinite;
    z-index: 1;
}

@keyframes shopGlow {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.7; }
}

.shop-links-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.shop-links-content h2 {
    font-size: 2rem;
    color: #ffffff;
    margin-bottom: 20px;
    font-weight: 600;
}

.shop-links-content p {
    font-size: 1rem;
    color: #ffffff;
    margin-bottom: 40px;
}

.shop-links-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
}

.shop-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 30px 20px;
    background: #f8fffe;
    border-radius: 15px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.shop-link:hover {
    background: #e8f5f0;
    border-color: #2d5a3d;
    transform: translateY(-5px);
}

.shop-icon {
    width: 60px;
    height: 60px;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.shop-icon.amazon {
    background: #ff9500;
}

.shop-icon.rakuten {
    background: #bf0000;
}

.shop-link span {
    font-size: 1rem;
    font-weight: 600;
}

/* Mobile responsiveness for new sections */
@media (max-width: 768px) {
    .sustainability-item {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 30px 20px;
    }
    
    .sustainability-item.reverse {
        grid-template-columns: 1fr;
    }
    
    .sustainability-item.reverse .sustainability-image,
    .sustainability-item.reverse .sustainability-text {
        order: initial;
    }
    
    .shop-links-grid {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
}

/* 固定購入ボタン */
.fixed-purchase-btn {
    position: fixed;
    bottom: 30px;
    left: 30px;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    transform: translateY(20px);
}

.fixed-purchase-btn.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.fixed-purchase-btn button {
    background: linear-gradient(145deg, 
        rgba(34, 197, 94, 0.9) 0%, 
        rgba(22, 163, 74, 0.95) 30%,
        rgba(16, 185, 129, 0.92) 70%,
        rgba(5, 150, 105, 0.9) 100%
    );
    color: white;
    border: none;
    border-radius: 50%;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 24px;
    font-weight: 600;
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.4),
        0 0 30px rgba(34, 197, 94, 0.3);
    transition: all 0.3s ease;
    width: 200px;
    height: 200px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.fixed-purchase-btn button:hover {
    transform: translateY(-2px) scale(1.05);
    filter: brightness(1.1);
}

/* スクロール位置による色変化 */
.fixed-purchase-btn.scroll-mid button {
    background: linear-gradient(145deg, 
        rgba(74, 222, 128, 0.9) 0%, 
        rgba(34, 197, 94, 0.95) 30%,
        rgba(16, 185, 129, 0.92) 70%,
        rgba(22, 163, 74, 0.9) 100%
    );
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.4),
        0 0 35px rgba(74, 222, 128, 0.4);
}

.fixed-purchase-btn.scroll-bottom button {
    background: linear-gradient(145deg, 
        rgba(134, 239, 172, 0.9) 0%, 
        rgba(74, 222, 128, 0.95) 30%,
        rgba(34, 197, 94, 0.92) 70%,
        rgba(16, 185, 129, 0.9) 100%
    );
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.4),
        0 0 40px rgba(134, 239, 172, 0.5);
}


/* 信頼指標 */
.trust-indicators {
    display: flex;
    gap: 10px;
    margin-top: 8px;
    justify-content: center;
}

.trust-item {
    background: rgba(255, 255, 255, 0.4);
    color: #ffffff;
    padding: 10px 20px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 500;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-decoration: none;
    transition: all 0.3s ease;
    min-width: 140px;
    text-align: center;
}

.trust-item:hover {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(15px);
    transform: translateY(-1px);
}

.fixed-purchase-btn .btn-icon {
    font-size: 18px;
}

.fixed-purchase-btn .btn-text {
    font-size: 16px;
    font-weight: 600;
}

@media (max-width: 768px) {
    .fixed-purchase-btn {
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
    }
    
    .fixed-purchase-btn.show {
        transform: translateX(-50%) translateY(0);
    }
    
    .fixed-purchase-btn button {
        padding: 12px 30px;
        font-size: 14px;
        min-width: 195px;
        width: auto;
        height: auto;
        border-radius: 50px;
    }
    
    .fixed-purchase-btn .btn-text {
        font-size: 14px;
    }
    
    .trust-indicators {
        gap: 6px;
        margin-top: 6px;
    }
    
    .trust-item {
        font-size: 8px;
        padding: 3px 6px;
    }
}

/* ==========================================
   ミッドナイト・スパ・オーロラ 背景エフェクト
   ========================================== */

/* メイン背景エフェクト */
.midnight-spa-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -10;
    background: 
        /* 深い夜空のベースグラデーション */
        radial-gradient(circle at 20% 80%, rgba(120, 40, 200, 0.4) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(45, 55, 150, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(75, 0, 130, 0.2) 0%, transparent 50%),
        linear-gradient(135deg, 
            #0a0a1e 0%, 
            #1a1a3a 25%, 
            #2d1b3d 50%, 
            #1e1e3f 75%, 
            #0f0f2a 100%
        );
    animation: backgroundShift 20s ease-in-out infinite;
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
    contain: layout style paint;
}

/* オーロラエフェクト */
.aurora-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(90deg, 
            transparent 0%, 
            rgba(138, 43, 226, 0.1) 25%, 
            rgba(75, 0, 130, 0.15) 50%, 
            rgba(72, 61, 139, 0.1) 75%, 
            transparent 100%
        );
    animation: auroraFlow 15s ease-in-out infinite;
    opacity: 0.7;
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
    contain: layout style paint;
}

@keyframes auroraFlow {
    0%, 100% {
        transform: translateX(-50%) skewX(-5deg);
        opacity: 0.5;
    }
    25% {
        transform: translateX(0%) skewX(2deg);
        opacity: 0.8;
    }
    50% {
        transform: translateX(30%) skewX(-2deg);
        opacity: 0.9;
    }
    75% {
        transform: translateX(10%) skewX(3deg);
        opacity: 0.6;
    }
}

/* キラキラ星のエフェクト */
.twinkling-stars {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(2px 2px at 40px 80px, rgba(255, 255, 255, 0.6), transparent),
        radial-gradient(1px 1px at 80px 40px, rgba(255, 255, 255, 0.9), transparent),
        radial-gradient(1px 1px at 120px 90px, rgba(255, 255, 255, 0.7), transparent),
        radial-gradient(2px 2px at 160px 20px, rgba(255, 255, 255, 0.5), transparent),
        radial-gradient(1px 1px at 200px 60px, rgba(255, 255, 255, 0.8), transparent);
    background-repeat: repeat;
    background-size: 350px 150px;
    animation: twinkle 8s linear infinite;
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
    contain: layout style paint;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.3; }
    25% { opacity: 0.8; }
    50% { opacity: 0.5; }
    75% { opacity: 0.9; }
}

/* SPAバブルエフェクト */
.spa-bubbles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.bubble {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(45deg, 
        rgba(255, 255, 255, 0.1) 0%, 
        rgba(173, 216, 230, 0.15) 50%, 
        rgba(255, 255, 255, 0.05) 100%
    );
    box-shadow: 
        inset 0 0 20px rgba(255, 255, 255, 0.1),
        0 0 30px rgba(173, 216, 230, 0.2);
    backdrop-filter: blur(2px);
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
    contain: layout style paint;
}

.bubble-1 {
    width: 60px;
    height: 60px;
    left: 10%;
    animation: floatUp 12s infinite ease-in-out;
    animation-delay: 0s;
}

.bubble-2 {
    width: 40px;
    height: 40px;
    left: 30%;
    animation: floatUp 14s infinite ease-in-out;
    animation-delay: 2s;
}

.bubble-3 {
    width: 80px;
    height: 80px;
    left: 60%;
    animation: floatUp 16s infinite ease-in-out;
    animation-delay: 4s;
}

.bubble-4 {
    width: 35px;
    height: 35px;
    left: 80%;
    animation: floatUp 13s infinite ease-in-out;
    animation-delay: 6s;
}

.bubble-5 {
    width: 50px;
    height: 50px;
    left: 45%;
    animation: floatUp 15s infinite ease-in-out;
    animation-delay: 8s;
}

.bubble-6 {
    width: 25px;
    height: 25px;
    left: 75%;
    animation: floatUp 11s infinite ease-in-out;
    animation-delay: 10s;
}

@keyframes floatUp {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.8;
    }
    90% {
        opacity: 0.8;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* 浮遊パーティクル */
.floating-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.particle {
    position: absolute;
    font-size: 16px;
    animation: particleFloat 10s infinite linear;
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
    contain: layout style paint;
}

.particle-1 {
    left: 15%;
    animation-delay: 0s;
    animation-duration: 12s;
}

.particle-2 {
    left: 35%;
    animation-delay: 3s;
    animation-duration: 15s;
}

.particle-3 {
    left: 55%;
    animation-delay: 6s;
    animation-duration: 11s;
}

.particle-4 {
    left: 75%;
    animation-delay: 9s;
    animation-duration: 13s;
}

.particle-5 {
    left: 85%;
    animation-delay: 12s;
    animation-duration: 14s;
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) translateX(0px);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) translateX(50px);
        opacity: 0;
    }
}