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

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

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

/* Utility Classes */
.desktop-only {
    display: block;
}

.mobile-only {
    display: none;
}

@media (max-width: 768px) {
    .desktop-only {
        display: none;
    }
    
    .mobile-only {
        display: block;
    }
}

/* Icons */
.icon {
    width: 24px;
    height: 24px;
    stroke-width: 2;
}

.icon.check {
    color: #0ea5e9;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 48px;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-primary {
    background-color: #0ea5e9;
    color: white;
}

.btn-primary:hover {
    background-color: #0284c7;
}

.btn-yellow {
    background-color: #facc15;
    color: #075985;
}

.btn-yellow:hover {
    background-color: #eab308;
}

.btn-white {
    background-color: white;
    color: #0ea5e9;
}

.btn-white:hover {
    background-color: #f0f9ff;
}

.btn-outline {
    background-color: transparent;
    color: #0ea5e9;
    border: 2px solid #0ea5e9;
}

.btn-outline:hover {
    background-color: #f0f9ff;
}

.btn-full {
    width: 100%;
}

/* Mobile CTA */
.mobile-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: white;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    border-top: 1px solid #e0f2fe;
    padding: 12px;
    display: none;
}

.mobile-cta-buttons {
    display: flex;
    gap: 8px;
}

.mobile-cta .btn {
    flex: 1;
    font-size: 14px;
    border-radius: 8px;
}

@media (max-width: 768px) {
    .mobile-cta {
        display: block;
    }
    
    body {
        padding-bottom: 80px;
    }
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 40;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid #e0f2fe;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 700;
}

.logo .icon {
    color: #facc15;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
}

.desktop-nav {
    display: flex;
    gap: 24px;
}

.desktop-nav a {
    font-size: 14px;
    font-weight: 500;
    color: #333;
    text-decoration: none;
    transition: color 0.2s ease;
}

.desktop-nav a:hover {
    color: #0ea5e9;
}

.desktop-cta {
    display: flex;
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .desktop-nav,
    .desktop-cta {
        display: none;
    }
}

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

.section-divider {
    width: 96px;
    height: 4px;
    background: linear-gradient(to right, #0ea5e9, #facc15);
    margin: 0 auto 32px;
    border-radius: 2px;
}

.section-divider.white {
    background: linear-gradient(to right, #facc15, #0ea5e9);
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
    line-height: 1.2;
}

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

.section-description {
    text-align: center;
    color: #666;
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-description.white {
    color: rgba(255, 255, 255, 0.9);
}

.text-primary {
    color: #0ea5e9;
}

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 24px;
    }
}

/* Hero Section */
.hero {
    padding: 48px 0 80px;
    background: linear-gradient(135deg, #f0f9ff 0%, #fefdf8 50%, #fff 100%);
    border-bottom: 1px solid #e0f2fe;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
}

.hero-text {
    text-align: center;
    margin-bottom: 48px;
    position: relative;
}

.pr-label {
    position: absolute;
    top: -16px;
    right: 0;
    font-size: 12px;
    color: #666;
}

.suumo-badge {
    display: inline-block;
    background-color: #facc15;
    color: #075985;
    padding: 8px 24px;
    border-radius: 24px;
    font-weight: 700;
    font-size: 14px;
    margin-bottom: 16px;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    color: #075985;
    line-height: 1.1;
    margin-bottom: 24px;
}

.price-highlight {
    color: #eab308;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-description {
    font-size: 18px;
    color: #0369a1;
    font-weight: 500;
    max-width: 800px;
    margin: 0 auto 48px;
    line-height: 1.6;
}

.hero-image {
    margin-bottom: 32px;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.hero-features {
    text-align: center;
}

.feature-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto 32px;
}

.feature-card {
    background: white;
    padding: 24px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    border-left: 4px solid #0ea5e9;
}

.feature-card h3 {
    font-weight: 700;
    color: #0ea5e9;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 14px;
    color: #666;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
    margin-bottom: 24px;
}

.disclaimer {
    font-size: 12px;
    color: #666;
}

@media (min-width: 640px) {
    .hero-cta {
        flex-direction: row;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 32px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .feature-cards {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* Cards */
.card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-4px);
}

.card-content {
    padding: 24px;
}

.card-icon {
    width: 48px;
    height: 48px;
    background-color: #e0f2fe;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.card-icon .icon {
    color: #0ea5e9;
}

/* Features Section */
.features-section {
    background-color: #fefdf8;
    border-bottom: 1px solid #e0f2fe;
}

.strength-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.strength-cards .card h3 {
    font-size: 20px;
    margin-bottom: 8px;
}

/* Plans Section */
.plans-section {
    background-color: white;
    border-bottom: 1px solid #e0f2fe;
}

.tabs {
    max-width: 1000px;
    margin: 0 auto;
}

.tab-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin-bottom: 32px;
}

.tab-trigger {
    padding: 16px 24px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s ease;
}

.tab-trigger:first-child {
    border-top-left-radius: 8px;
    border-bottom-left-radius: 8px;
}

.tab-trigger:last-child {
    border-top-right-radius: 8px;
    border-bottom-right-radius: 8px;
    border-left: none;
}

.tab-trigger.active {
    background: #0ea5e9;
    color: white;
    border-color: #0ea5e9;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.plan-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: center;
    margin-bottom: 32px;
}

.plan-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.plan-details h3 {
    font-size: 24px;
    margin-bottom: 16px;
}

.plan-features {
    list-style: none;
    margin: 16px 0;
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.plan-cta {
    margin-top: 16px;
}

.notice-box {
    background-color: #fefce8;
    border-left: 4px solid #facc15;
    padding: 24px;
    max-width: 600px;
    margin: 0 auto;
}

.notice-box h3 {
    font-size: 18px;
    font-weight: 700;
    color: #92400e;
    margin-bottom: 12px;
}

.notice-box p {
    font-size: 14px;
    color: #a16207;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .plan-content {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

/* Performance Section */
.performance-section {
    background-color: #fefdf8;
    border-bottom: 1px solid #e0f2fe;
}

.performance-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 48px;
    max-width: 1000px;
    margin: 0 auto 64px;
}

.performance-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.performance-header h3 {
    font-size: 20px;
}

.grade {
    font-size: 48px;
    font-weight: 700;
    color: #0ea5e9;
}

.performance-detail {
    background-color: #f0f9ff;
    padding: 16px;
    border-radius: 8px;
    margin-top: 16px;
}

.detail-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
}

.detail-text {
    font-size: 14px;
}

.benefits-section {
    margin-bottom: 64px;
}

.benefits-title {
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 32px;
}

.benefit-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.benefit-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.benefit-icon.blue {
    background-color: #dbeafe;
}

.benefit-icon.blue .icon {
    color: #2563eb;
}

.benefit-icon.green {
    background-color: #dcfce7;
}

.benefit-icon.green .icon {
    color: #16a34a;
}

.benefit-icon.purple {
    background-color: #f3e8ff;
}

.benefit-icon.purple .icon {
    color: #9333ea;
}

.benefit-icon.orange {
    background-color: #fed7aa;
}

.benefit-icon.orange .icon {
    color: #ea580c;
}

.benefit-cards .card-content {
    text-align: center;
}

.benefit-cards h4 {
    font-weight: 700;
    margin-bottom: 8px;
}

.benefit-cards p {
    font-size: 14px;
    color: #666;
}

.insulation-section {
    margin-bottom: 48px;
}

.insulation-title {
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 32px;
}

.insulation-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 32px;
}

.insulation-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 24px;
}

.check-icon {
    width: 24px;
    height: 24px;
    background-color: #0ea5e9;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 4px;
}

.check-icon .icon {
    color: white;
    width: 16px;
    height: 16px;
}

.insulation-item h4 {
    font-weight: 700;
    margin-bottom: 4px;
}

.insulation-item p {
    font-size: 14px;
    color: #666;
}

.other-standards {
    text-align: center;
}

.standards-title {
    font-weight: 600;
    margin-bottom: 16px;
}

.standards-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

.badge {
    background: white;
    padding: 8px 16px;
    border-radius: 24px;
    font-size: 14px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

@media (max-width: 768px) {
    .performance-cards {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .benefit-cards {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .insulation-features {
        grid-template-columns: 1fr;
    }
}

/* Cost Section */
.cost-section {
    background: linear-gradient(135deg, #dbeafe 0%, #e0e7ff 50%, #f3e8ff 100%);
    border-bottom: 1px solid #e0f2fe;
}

.cost-reasons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.reason-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 16px;
}

.reason-number {
    width: 40px;
    height: 40px;
    background-color: #0ea5e9;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.reason-header h3 {
    font-size: 20px;
}

@media (max-width: 768px) {
    .cost-reasons {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

/* Comparison Section */
.comparison-section {
    background-color: #fefdf8;
    border-bottom: 1px solid #e0f2fe;
}

.comparison-table {
    max-width: 1200px;
    margin: 0 auto 48px;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.comparison-header {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 4px;
}

.comparison-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 4px;
    margin-bottom: 8px;
    align-items: center;
}

.comparison-cell {
    padding: 16px;
    text-align: center;
    font-size: 14px;
}

.comparison-cell.header {
    background-color: #0ea5e9;
    color: white;
    font-weight: 700;
}

.comparison-cell.header.aida {
    background-color: #0ea5e9;
    position: relative;
}

.comparison-cell.aida-highlight {
    background-color: #fefce8;
    border: 2px solid #facc15;
    font-weight: 700;
    color: #0ea5e9;
}

.comparison-cell:not(.header):not(.aida-highlight) {
    background-color: white;
}

.status-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    margin-right: 8px;
    font-size: 12px;
    font-weight: 700;
}

.status-icon.good {
    background-color: #0ea5e9;
    color: white;
}

.status-icon.fair {
    background-color: #64748b;
    color: white;
}

.status-icon.poor {
    background-color: #64748b;
    color: white;
}

.best-badge {
    display: inline-block;
    background-color: #facc15;
    color: #075985;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    margin-right: 8px;
}

.mobile-comparison {
    max-width: 600px;
    margin: 0 auto 48px;
}

.mobile-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    margin-bottom: 32px;
}

.mobile-tab {
    padding: 12px 16px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s ease;
}

.mobile-tab:first-child {
    border-top-left-radius: 8px;
    border-bottom-left-radius: 8px;
}

.mobile-tab:last-child {
    border-top-right-radius: 8px;
    border-bottom-right-radius: 8px;
}

.mobile-tab:not(:first-child) {
    border-left: none;
}

.mobile-tab.active {
    background: #0ea5e9;
    color: white;
    border-color: #0ea5e9;
}

.mobile-tab-content {
    display: none;
}

.mobile-tab-content.active {
    display: block;
}

.aida-card {
    border: 2px solid #facc15;
}

.comparison-list {
    list-style: none;
}

.comparison-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #f1f5f9;
}

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

.comparison-list .highlight {
    font-weight: 700;
    color: #0ea5e9;
    display: flex;
    align-items: center;
}

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

.comparison-disclaimer {
    font-size: 14px;
    color: #666;
    margin-bottom: 24px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Examples Section */
.examples-section {
    background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 50%, #f0fdfa 100%);
    border-bottom: 1px solid #e0f2fe;
}

.example-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.example-image {
    position: relative;
    height: 192px;
    overflow: hidden;
}

.example-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.example-cards h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.example-cards p {
    color: #666;
    margin-bottom: 16px;
}

.rating {
    display: flex;
    gap: 4px;
}

.star {
    color: #facc15;
    font-size: 16px;
}

@media (max-width: 768px) {
    .example-cards {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

/* Cost Transparency Section */
.cost-transparency-section {
    background-color: #fefdf8;
    border-bottom: 1px solid #e0f2fe;
}

.cost-breakdown {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
    max-width: 1000px;
    margin: 0 auto;
}

.cost-header {
    background-color: #0ea5e9;
    color: white;
    padding: 16px;
    margin: 0 0 24px 0;
}

.cost-header h3 {
    font-size: 20px;
    font-weight: 700;
}

.price-display {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.price-label {
    font-size: 18px;
}

.price-amount {
    font-size: 48px;
    font-weight: 700;
    color: #0ea5e9;
}

.price-note {
    font-size: 12px;
    color: #666;
    margin-bottom: 24px;
}

.included-items h4 {
    font-weight: 700;
    margin-bottom: 8px;
}

.included-items ul {
    list-style: none;
}

.included-items li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 8px;
}

.total-cost {
    background-color: #fefdf8;
    padding: 16px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.cost-range {
    font-weight: 700;
}

.additional-costs {
    margin-top: 24px;
}

.cost-category {
    margin-bottom: 16px;
}

.cost-category h4 {
    font-weight: 600;
    margin-bottom: 8px;
}

.cost-category ul {
    font-size: 14px;
    color: #666;
    list-style: disc;
    padding-left: 20px;
}

.cost-category li {
    margin-bottom: 4px;
}

.loan-highlight {
    background-color: #f0f9ff;
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 16px;
}

.loan-highlight p:first-child {
    font-weight: 600;
}

.loan-note {
    font-size: 12px;
    color: #666;
    margin-top: 8px;
}

.loan-examples {
    margin-top: 24px;
}

.loan-example {
    padding: 16px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    margin-bottom: 16px;
}

.loan-amount {
    font-size: 14px;
    margin-bottom: 4px;
}

.monthly-payment {
    font-size: 24px;
    font-weight: 700;
}

.loan-conditions {
    font-size: 12px;
    color: #666;
}

.subsidy-info {
    background-color: #dbeafe;
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 24px;
}

.subsidy-cta {
    margin-top: 24px;
}

@media (max-width: 768px) {
    .cost-breakdown {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .price-amount {
        font-size: 32px;
    }
}

/* CTA Section */
.cta-section {
    background: linear-gradient(to right, #0ea5e9, #0284c7);
    color: white;
    border-bottom: 1px solid #0284c7;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
    max-width: 1000px;
    margin: 0 auto 64px;
}

.process-step {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
    border-radius: 8px;
    padding: 24px;
    text-align: center;
}

.step-number {
    width: 48px;
    height: 48px;
    background: white;
    color: #0ea5e9;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin: 0 auto 16px;
}

.process-step h3 {
    font-weight: 700;
    margin-bottom: 8px;
}

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

.cta-message {
    font-size: 20px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 32px;
}

.cta-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 600px;
    margin: 0 auto;
}

@media (max-width: 640px) {
    .cta-buttons {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* FAQ Section */
.faq-section {
    background-color: white;
}

.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid #e2e8f0;
}

.faq-question {
    width: 100%;
    padding: 24px 0;
    background: none;
    border: none;
    text-align: left;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: color 0.2s ease;
}

.faq-question:hover {
    color: #0ea5e9;
}

.faq-icon {
    width: 20px;
    height: 20px;
    transition: transform 0.2s ease;
}

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

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

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding-bottom: 24px;
    color: #666;
    line-height: 1.6;
}

/* Footer */
.footer {
    background: linear-gradient(to right, #075985, #0c4a6e);
    color: white;
    padding: 48px 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-logo .icon {
    color: #facc15;
}

.footer-description {
    color: #94a3b8;
    font-size: 14px;
}

.footer-section h3 {
    font-weight: 700;
    margin-bottom: 16px;
}

.company-info,
.contact-info {
    color: #94a3b8;
    font-size: 14px;
    margin-bottom: 8px;
}

.company-info a {
    color: inherit; /* pタグの色を継承 */
    text-decoration: none;
}

.company-info a:hover {
    color: #facc15; /* ホバー時のアクセントカラー */
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: #facc15;
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 16px;
    text-align: center;
    color: #94a3b8;
    font-size: 14px;
    margin-top: 32px;
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

/* モバイルナビゲーション */
.mobile-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(14, 165, 233, 0.95);
    backdrop-filter: blur(12px);
    z-index: 999;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.mobile-nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-nav a {
    display: block;
    color: white;
    text-decoration: none;
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-weight: 500;
    transition: background-color 0.2s ease;
}

.mobile-nav a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.mobile-nav a:last-child {
    border-bottom: none;
}

/* ハンバーガーアイコンのアニメーション */
.hamburger-lines {
    display: flex;
    flex-direction: column;
    gap: 4px;
    transition: all 0.3s ease;
}

.hamburger-lines .line {
    width: 24px;
    height: 2px;
    background-color: currentColor;
    transition: all 0.3s ease;
}

.mobile-menu-btn.active .hamburger-lines .line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-btn.active .hamburger-lines .line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active .hamburger-lines .line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* オーバーレイ */
.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-overlay.active {
    opacity: 1;
    visibility: visible;
}