/* ==========================================================================
   夜のドーピング整体 LP - スタイルシート
   ========================================================================== */

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.8;
    color: #333;
    background: #fff;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

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

/* Section */
.section {
    padding: 80px 0;
}

.section-dark {
    background: linear-gradient(135deg, #1a2332 0%, #2d3e50 100%);
    color: #fff;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #1a2332;
}

.section-dark .section-title {
    color: #fff;
}

.section-subtitle {
    font-size: 16px;
    color: #666;
    margin-bottom: 20px;
}

.section-dark .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.section-line {
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, #D4AF37 0%, #c99d2e 100%);
    margin: 0 auto;
}

/* Button */
.btn {
    display: inline-block;
    padding: 16px 40px;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, #D4AF37 0%, #c99d2e 100%);
    color: #fff;
    box-shadow: 0 8px 24px rgba(212, 175, 55, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(212, 175, 55, 0.4);
}

.btn-large {
    padding: 20px 50px;
    font-size: 18px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(26, 35, 50, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.3s ease;
}

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

.logo h1 {
    font-size: 20px;
    font-weight: 700;
    color: #D4AF37;
    margin-bottom: 4px;
}

.logo-sub {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
}

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

.nav-link {
    color: #fff;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #D4AF37;
}

.btn-header {
    padding: 10px 24px;
    font-size: 14px;
    background: linear-gradient(135deg, #D4AF37 0%, #c99d2e 100%);
    color: #fff;
    border-radius: 50px;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
    transition: all 0.3s ease;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: #fff;
    transition: all 0.3s ease;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(26, 35, 50, 0.98);
    z-index: 999;
    transition: left 0.3s ease;
    overflow-y: auto;
}

.mobile-menu.active {
    left: 0;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    padding: 40px 20px;
    gap: 0;
}

.mobile-nav-link {
    color: #fff;
    font-size: 18px;
    font-weight: 500;
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: background 0.3s ease;
}

.mobile-nav-link:hover {
    background: rgba(212, 175, 55, 0.1);
}

.mobile-nav .btn {
    margin-top: 20px;
    width: 100%;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #1a2332 0%, #2d3e50 100%);
    color: #fff;
    padding: 180px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(212, 175, 55, 0.1) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-subtitle {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 16px;
    color: #D4AF37;
}

.hero-title {
    font-size: 48px;
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 20px;
}

.hero-description {
    font-size: 20px;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 10px;
}

.hero-feature i {
    color: #D4AF37;
    font-size: 20px;
}

.btn-hero {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 20px 50px;
    font-size: 18px;
    font-weight: 700;
    background: linear-gradient(135deg, #D4AF37 0%, #c99d2e 100%);
    color: #fff;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(212, 175, 55, 0.3);
    transition: all 0.3s ease;
    margin-bottom: 20px;
}

.btn-hero:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(212, 175, 55, 0.4);
}


.hero-note {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 25px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    width: 6px;
    height: 6px;
    margin-left: -3px;
    background: #D4AF37;
    border-radius: 50%;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(20px); }
}

/* Problem Section */
.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.problem-item {
    background: #fff;
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.problem-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.problem-icon {
    width: 80px;
    height: 80px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.problem-icon i {
    font-size: 36px;
    color: #D4AF37;
}

.problem-item h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #1a2332;
}

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

.problem-cta {
    text-align: center;
    padding: 40px;
    background: rgba(212, 175, 55, 0.05);
    border-radius: 16px;
}

.problem-cta-text {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 30px;
    color: #1a2332;
}

/* Success Section */
.success-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.success-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.success-tag {
    background: #D4AF37;
    color: #fff;
    padding: 8px 20px;
    font-size: 14px;
    font-weight: 600;
    display: inline-block;
    margin: 20px 0 0 20px;
    border-radius: 20px;
}

.success-image {
    padding: 20px;
    min-height: 300px;
}

.success-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    display: block;
    object-fit: cover;
}

.success-content {
    padding: 0 30px 30px;
}

.success-title {
    font-size: 24px;
    font-weight: 700;
    color: #D4AF37;
    margin-bottom: 12px;
}

.success-description {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
    line-height: 1.6;
}

.success-details {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.success-detail {
    display: flex;
    align-items: center;
    gap: 12px;
}

.success-detail .label {
    background: rgba(212, 175, 55, 0.2);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    color: #D4AF37;
    min-width: 60px;
    text-align: center;
}

.success-detail .value {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

.success-definition {
    text-align: center;
    padding: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    border: 2px solid #D4AF37;
}

.success-definition-title {
    font-size: 24px;
    font-weight: 700;
    color: #D4AF37;
    margin-bottom: 12px;
}

.success-definition-text {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
}

/* Why Section */
.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.why-item {
    background: #fff;
    padding: 40px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.why-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.why-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #D4AF37 0%, #c99d2e 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.why-icon i {
    font-size: 36px;
    color: #fff;
}

.why-item h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #1a2332;
}

.why-item p {
    color: #666;
    line-height: 1.8;
}

.why-statement {
    text-align: center;
    padding: 40px;
    background: rgba(212, 175, 55, 0.05);
    border-radius: 16px;
}

.why-statement-text {
    font-size: 20px;
    line-height: 1.8;
    color: #1a2332;
}

/* Steps Section */
.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.step {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.step:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: #D4AF37;
}

.step-number {
    display: inline-block;
    background: #D4AF37;
    color: #fff;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 20px;
}

.step-icon {
    width: 60px;
    height: 60px;
    background: rgba(212, 175, 55, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.step-icon i {
    font-size: 28px;
    color: #D4AF37;
}

.step-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #fff;
}

.step-description {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    line-height: 1.6;
}

/* Comparison Section */
.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.comparison-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

.comparison-bad {
    opacity: 0.7;
}

.comparison-good {
    border: 3px solid #D4AF37;
    transform: scale(1.05);
}

.comparison-icon {
    width: 60px;
    height: 60px;
    background: #f5f5f5;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.comparison-icon i {
    font-size: 28px;
    color: #999;
}

.comparison-icon-good {
    background: linear-gradient(135deg, #D4AF37 0%, #c99d2e 100%);
}

.comparison-icon-good i {
    color: #fff;
}

.comparison-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #1a2332;
}

.comparison-list {
    list-style: none;
    text-align: left;
}

.comparison-list li {
    padding: 8px 0;
    padding-left: 30px;
    position: relative;
    color: #666;
    font-size: 14px;
}

.comparison-list li i {
    position: absolute;
    left: 0;
    top: 10px;
}

.comparison-bad .comparison-list li i {
    color: #e74c3c;
}

.comparison-good .comparison-list li i {
    color: #D4AF37;
}

.comparison-cta {
    text-align: center;
}

/* Root Cause Section */
.root-cause-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.root-cause-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.root-cause-icon {
    width: 60px;
    height: 60px;
    background: rgba(212, 175, 55, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.root-cause-icon i {
    font-size: 28px;
    color: #D4AF37;
}

.root-cause-item h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #fff;
}

.root-cause-item p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    line-height: 1.6;
}

.root-cause-solution {
    max-width: 900px;
    margin: 0 auto;
}

.root-cause-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.flow-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    flex: 1;
    min-width: 150px;
}

.flow-item i {
    font-size: 32px;
    color: #D4AF37;
    margin-bottom: 10px;
}

.flow-item p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
}

.flow-arrow i {
    font-size: 24px;
    color: #D4AF37;
}

.root-cause-answer {
    background: rgba(212, 175, 55, 0.1);
    padding: 40px;
    border-radius: 16px;
    text-align: center;
    border: 2px solid #D4AF37;
}

.root-cause-answer h3 {
    font-size: 24px;
    font-weight: 700;
    color: #D4AF37;
    margin-bottom: 20px;
}

.root-cause-answer-text {
    font-size: 18px;
    margin-bottom: 20px;
    color: #fff;
    line-height: 1.8;
}

.root-cause-solution-text {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
}

/* Benefits Section */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.benefit-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.benefit-icon i {
    font-size: 28px;
    color: #D4AF37;
}

.benefit-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #1a2332;
}

.benefit-card p {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}

/* Pricing Section */
.pricing-category {
    font-size: 28px;
    font-weight: 700;
    text-align: center;
    margin: 60px 0 20px;
    color: #D4AF37;
}

.pricing-category:first-of-type {
    margin-top: 0;
}

.pricing-note {
    text-align: center;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 30px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.pricing-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card:hover {
    border-color: #D4AF37;
    transform: translateY(-5px);
}

.pricing-card-popular {
    border-color: #D4AF37;
    background: rgba(212, 175, 55, 0.1);
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: #D4AF37;
    color: #fff;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
}

.pricing-header {
    margin-bottom: 30px;
}

.pricing-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #fff;
}

.pricing-subtitle {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.pricing-price {
    margin-bottom: 30px;
}

.price-number {
    font-size: 48px;
    font-weight: 900;
    color: #D4AF37;
}

.price-currency {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.8);
    margin-left: 5px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
}

.pricing-features li {
    padding: 10px 0;
    padding-left: 30px;
    position: relative;
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
}

.pricing-features li i {
    position: absolute;
    left: 0;
    top: 12px;
    color: #D4AF37;
}

/* Subscription Plan */
.pricing-subscription {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px;
    border-radius: 16px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 60px;
}

.subscription-header {
    text-align: center;
    margin-bottom: 30px;
}

.subscription-title {
    font-size: 28px;
    font-weight: 700;
    color: #D4AF37;
    margin-bottom: 12px;
}

.subscription-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
}

.subscription-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.subscription-breakdown h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #D4AF37;
}

.subscription-breakdown ul {
    list-style: none;
}

.subscription-breakdown li {
    padding: 10px 0;
    padding-left: 30px;
    position: relative;
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
}

.subscription-breakdown li i {
    position: absolute;
    left: 0;
    top: 12px;
    color: #D4AF37;
}

.subscription-pricing {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.subscription-price-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.subscription-price-item.highlight {
    background: rgba(212, 175, 55, 0.2);
    border: 2px solid #D4AF37;
}

.subscription-price-item .label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.subscription-price-item .value {
    font-size: 24px;
    font-weight: 700;
    color: #D4AF37;
}

/* Single Pricing */
.pricing-single {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.pricing-single-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px 40px;
    border-radius: 16px;
    text-align: center;
    border: 2px solid rgba(255, 255, 255, 0.1);
    min-width: 200px;
}

.pricing-single-item h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #fff;
}

.pricing-single-price {
    font-size: 32px;
    font-weight: 900;
    color: #D4AF37;
}

.pricing-note-small {
    text-align: center;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
}

/* FAQ Section */
.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: #fff;
    border-radius: 12px;
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: 16px;
    font-weight: 600;
    color: #1a2332;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: rgba(212, 175, 55, 0.05);
}

.faq-question i {
    color: #D4AF37;
    font-size: 20px;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

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

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

.faq-answer p {
    color: #666;
    line-height: 1.8;
    font-size: 15px;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #D4AF37 0%, #c99d2e 100%);
    color: #fff;
    padding: 100px 0;
    text-align: center;
}

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

.cta-title {
    font-size: 42px;
    font-weight: 900;
    margin-bottom: 20px;
}

.cta-subtitle {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 30px;
}

.cta-text {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.95);
}

.btn-cta {
    background: #fff;
    color: #D4AF37;
    padding: 20px 50px;
    font-size: 18px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.btn-cta:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.cta-note {
    margin-top: 20px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
}

/* Animations */
.fade-in {
    animation: fadeIn 0.8s ease;
}

.fade-in-delay-1 {
    animation: fadeIn 0.8s ease 0.2s both;
}

.fade-in-delay-2 {
    animation: fadeIn 0.8s ease 0.4s both;
}

.fade-in-delay-3 {
    animation: fadeIn 0.8s ease 0.6s both;
}

.fade-in-delay-4 {
    animation: fadeIn 0.8s ease 0.8s both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.fade-in-on-scroll.active {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   レスポンシブ対応（スマホ最適化版）
   ========================================================================== */

/* タブレット対応 (768px以下) */
@media (max-width: 768px) {
    /* 基本設定 */
    body {
        font-size: 15px;
        line-height: 1.7;
    }

    .container {
        padding: 0 16px;
    }

    /* ヘッダー */
    .nav {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }

    /* ヒーローセクション */
    .hero {
        padding: 140px 0 80px;
    }
    
    .hero-title {
        font-size: 28px;
        line-height: 1.4;
        word-break: keep-all;
        overflow-wrap: break-word;
    }
    
    .hero-subtitle {
        font-size: 16px;
        line-height: 1.6;
        word-break: keep-all;
        overflow-wrap: break-word;
    }
    
    .hero-description {
        font-size: 17px;
        line-height: 1.7;
        word-break: keep-all;
        overflow-wrap: break-word;
    }
    
    .hero-features {
        flex-direction: column;
        gap: 20px;
    }

    .btn-hero {
        padding: 16px 32px;
        font-size: 16px;
        white-space: normal;
        text-align: center;
        line-height: 1.5;
    }

    /* セクション */
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 24px;
        line-height: 1.5;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .section-subtitle {
        font-size: 14px;
        line-height: 1.7;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    /* ボタン */
    .btn {
        padding: 14px 32px;
        font-size: 15px;
        white-space: normal;
        text-align: center;
        line-height: 1.5;
    }

    .btn-large {
        padding: 16px 36px;
        font-size: 16px;
    }

    /* 各種グリッド */
    .problem-grid,
    .success-grid,
    .why-grid,
    .steps-container,
    .comparison-grid,
    .root-cause-grid,
    .benefits-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    /* 問題提起セクション */
    .problem-item {
        padding: 32px 24px;
    }

    .problem-item h3 {
        font-size: 18px;
        line-height: 1.5;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .problem-item p {
        font-size: 15px;
        line-height: 1.7;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .problem-cta-text {
        font-size: 17px;
        line-height: 1.6;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    /* 成功事例セクション */
    .success-grid {
        grid-template-columns: 1fr;
    }

    .success-content {
        padding: 0 24px 24px;
    }

    .success-title {
        font-size: 20px;
        line-height: 1.5;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .success-description {
        font-size: 15px;
        line-height: 1.7;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .success-definition-title {
        font-size: 20px;
        line-height: 1.5;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .success-definition-text {
        font-size: 16px;
        line-height: 1.7;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    /* なぜ夜なのか？セクション */
    .why-item {
        padding: 32px 24px;
    }

    .why-item h3 {
        font-size: 18px;
        line-height: 1.5;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .why-item p {
        font-size: 15px;
        line-height: 1.7;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .why-statement-text {
        font-size: 18px;
        line-height: 1.7;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    /* 施術ステップ */
    .step {
        padding: 32px 24px;
    }

    .step-title {
        font-size: 17px;
        line-height: 1.5;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .step-description {
        font-size: 14px;
        line-height: 1.7;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    /* 比較セクション */
    .comparison-card {
        padding: 32px 24px;
    }

    .comparison-card h3 {
        font-size: 17px;
        line-height: 1.5;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .comparison-list li {
        font-size: 14px;
        line-height: 1.7;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .comparison-good {
        transform: scale(1);
    }

    /* 根本原因セクション */
    .root-cause-item {
        padding: 32px 24px;
    }

    .root-cause-item h3 {
        font-size: 17px;
        line-height: 1.5;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .root-cause-item p {
        font-size: 14px;
        line-height: 1.7;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .root-cause-flow {
        flex-direction: column;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
    }

    .flow-item p {
        font-size: 14px;
        line-height: 1.6;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .root-cause-answer {
        padding: 32px 24px;
    }

    .root-cause-answer h3 {
        font-size: 20px;
        line-height: 1.5;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .root-cause-answer-text {
        font-size: 16px;
        line-height: 1.7;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .root-cause-solution-text {
        font-size: 15px;
        line-height: 1.7;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    /* ベネフィット */
    .benefit-card {
        padding: 32px 24px;
    }

    .benefit-card h3 {
        font-size: 17px;
        line-height: 1.5;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .benefit-card p {
        font-size: 14px;
        line-height: 1.7;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    /* 料金セクション */
    .pricing-category {
        font-size: 24px;
        line-height: 1.5;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .pricing-card {
        padding: 32px 24px;
    }

    .pricing-title {
        font-size: 20px;
        line-height: 1.5;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .pricing-subtitle {
        font-size: 13px;
        line-height: 1.6;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .pricing-features li {
        font-size: 14px;
        line-height: 1.7;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .pricing-card-popular {
        transform: scale(1);
    }

    .subscription-details {
        grid-template-columns: 1fr;
    }

    .subscription-title {
        font-size: 24px;
        line-height: 1.5;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .subscription-subtitle {
        font-size: 16px;
        line-height: 1.7;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .subscription-breakdown li {
        font-size: 14px;
        line-height: 1.7;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    /* FAQ */
    .faq-question {
        padding: 20px 24px;
        font-size: 15px;
        line-height: 1.6;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .faq-item.active .faq-answer {
        padding: 0 24px 20px;
    }

    .faq-answer p {
        font-size: 14px;
        line-height: 1.7;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    /* CTA */
    .cta-section {
        padding: 80px 0;
    }

    .cta-title {
        font-size: 28px;
        line-height: 1.4;
        word-break: keep-all;
        overflow-wrap: break-word;
    }
    
    .cta-subtitle {
        font-size: 20px;
        line-height: 1.6;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .cta-text {
        font-size: 16px;
        line-height: 1.7;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .btn-cta {
        padding: 16px 36px;
        font-size: 16px;
        white-space: normal;
        text-align: center;
        line-height: 1.5;
    }
}

/* スマートフォン最適化 (480px以下) */
@media (max-width: 480px) {
    /* 基本設定 */
    body {
        font-size: 14px;
        line-height: 1.7;
    }

    .container {
        padding: 0 12px;
    }

    /* ヒーロー */
    .hero {
        padding: 120px 0 60px;
    }

    .hero-title {
        font-size: 22px;
        line-height: 1.5;
        margin-bottom: 16px;
    }

    .hero-subtitle {
        font-size: 15px;
        margin-bottom: 12px;
    }

    .hero-description {
        font-size: 15px;
        margin-bottom: 32px;
    }

    .btn-hero {
        padding: 14px 28px;
        font-size: 15px;
    }

    /* セクション */
    .section {
        padding: 50px 0;
    }

    .section-title {
        font-size: 20px;
        margin-bottom: 12px;
    }

    .section-subtitle {
        font-size: 13px;
    }

    /* ボタン */
    .btn {
        padding: 12px 28px;
        font-size: 14px;
    }

    .btn-large {
        padding: 14px 32px;
        font-size: 15px;
    }

    /* カード共通 */
    .problem-item,
    .why-item,
    .step,
    .comparison-card,
    .root-cause-item,
    .benefit-card,
    .pricing-card {
        padding: 24px 16px;
    }

    .success-content {
        padding: 0 16px 16px;
    }

    /* 見出し共通 */
    .problem-item h3,
    .why-item h3,
    .step-title,
    .comparison-card h3,
    .root-cause-item h3,
    .benefit-card h3,
    .pricing-title {
        font-size: 16px;
        line-height: 1.5;
    }

    /* 本文共通 */
    .problem-item p,
    .why-item p,
    .step-description,
    .comparison-list li,
    .root-cause-item p,
    .benefit-card p,
    .pricing-features li,
    .faq-answer p {
        font-size: 13px;
        line-height: 1.7;
    }

    /* 成功事例 */
    .success-title {
        font-size: 18px;
    }

    .success-description {
        font-size: 14px;
    }

    .success-definition-title {
        font-size: 18px;
    }

    .success-definition-text {
        font-size: 15px;
    }

    /* なぜ夜なのか？ */
    .why-statement-text {
        font-size: 16px;
    }

    /* 根本原因 */
    .root-cause-answer {
        padding: 24px 16px;
    }

    .root-cause-answer h3 {
        font-size: 18px;
    }

    .root-cause-answer-text {
        font-size: 15px;
    }

    .root-cause-solution-text {
        font-size: 14px;
    }

    /* 料金 */
    .pricing-category {
        font-size: 20px;
        margin: 50px 0 16px;
    }

    .price-number {
        font-size: 36px;
    }

    .subscription-title {
        font-size: 20px;
    }

    .subscription-subtitle {
        font-size: 15px;
    }

    /* FAQ */
    .faq-question {
        padding: 16px 16px;
        font-size: 14px;
    }

    .faq-item.active .faq-answer {
        padding: 0 16px 16px;
    }

    /* CTA */
    .cta-section {
        padding: 60px 0;
    }

    .cta-title {
        font-size: 22px;
        margin-bottom: 16px;
    }

    .cta-subtitle {
        font-size: 17px;
        margin-bottom: 24px;
    }

    .cta-text {
        font-size: 15px;
        margin-bottom: 32px;
    }

    .btn-cta {
        padding: 14px 32px;
        font-size: 15px;
    }
}