:root {
    --primary-color: #1e3a8a;
    --secondary-color: #3b82f6;
    --accent-color: #60a5fa;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --text-color: #334155;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

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

body {
    font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-color);
}

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

.navbar {
    background-color: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--primary-color);
    font-size: 1.2rem;
    font-weight: bold;
}

.logo img {
    border-radius: 50%;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

.cart-link {
    position: relative;
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -10px;
    background-color: var(--danger-color);
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    transition: all 0.3s;
}

.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 5rem 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #1e40af;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: white;
    color: var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--light-color);
}

.btn-success {
    background-color: var(--success-color);
    color: white;
}

.btn-success:hover {
    background-color: #059669;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.btn-block {
    display: block;
    width: 100%;
    margin-bottom: 0.5rem;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.features {
    padding: 5rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.feature-card {
    padding: 2rem;
    text-align: center;
    border-radius: 8px;
    background-color: white;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.stats {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 2rem;
    text-align: center;
}

.stat-item {
    flex: 1;
    min-width: 200px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.stat-label {
    font-size: 1.1rem;
    color: var(--text-color);
}

.about-products {
    padding: 5rem 0;
    background-color: white;
}

.about-text {
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.8;
}

.about-text p {
    margin-bottom: 1.5rem;
}

.quality-points {
    margin-top: 2rem;
    padding: 2rem;
    background-color: var(--light-color);
    border-radius: 8px;
}

.quality-points h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.quality-points ul {
    list-style: none;
}

.quality-points li {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quality-points i {
    color: var(--success-color);
}

.products {
    padding: 5rem 0;
}

.disclaimer-box {
    padding: 1.5rem;
    background-color: #fef3c7;
    border-left: 4px solid var(--warning-color);
    border-radius: 6px;
    margin-bottom: 3rem;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.product-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    position: relative;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.product-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
}

.product-info {
    padding: 1.5rem;
}

.product-info h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.product-category {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.product-description {
    margin-bottom: 1rem;
    color: var(--text-color);
}

.product-meta {
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: #64748b;
}

.product-price {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.product-actions {
    margin-top: 1rem;
}

.fancy-border {
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.semi-transparent {
    background-color: rgba(255, 255, 255, 0.95);
}

.risk-disclosure {
    padding: 3rem 0;
    background-color: var(--light-color);
}

.disclosure-box {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
    background-color: white;
    border-radius: 8px;
    border: 2px solid var(--border-color);
}

.disclosure-box h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

footer {
    background-color: var(--dark-color);
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: white;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background-color: var(--secondary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.3s;
}

.social-links a:hover {
    background-color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #475569;
}

.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: white;
    box-shadow: 0 -4px 6px rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
    z-index: 1001;
    display: none;
}

.cookie-consent.show {
    display: block;
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.cookie-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.notification {
    position: fixed;
    top: 80px;
    right: 20px;
    padding: 1rem 1.5rem;
    background-color: var(--success-color);
    color: white;
    border-radius: 6px;
    box-shadow: var(--shadow-lg);
    display: none;
    z-index: 1002;
}

.notification.show {
    display: block;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.breadcrumb {
    padding: 1rem 0;
    color: #64748b;
}

.breadcrumb a {
    color: var(--secondary-color);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin: 2rem 0;
}

.main-image img {
    width: 100%;
    border-radius: 8px;
}

.product-badge-large {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.product-category-large {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.price-section {
    margin: 2rem 0;
}

.price-large {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.tax-note {
    color: #64748b;
    font-size: 0.9rem;
}

.product-meta-info {
    margin: 1.5rem 0;
    color: #64748b;
}

.product-description-full h3 {
    color: var(--primary-color);
    margin: 1.5rem 0 1rem;
}

.feature-list {
    list-style: none;
    margin: 1rem 0;
}

.feature-list li {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.feature-list i {
    color: var(--success-color);
}

.disclaimer-box-product {
    padding: 1rem;
    background-color: #fef3c7;
    border-left: 4px solid var(--warning-color);
    border-radius: 6px;
    margin: 1.5rem 0;
}

.product-actions-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.related-section {
    margin: 4rem 0;
}

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

.product-card-small {
    background-color: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
}

.product-card-small img {
    width: 100%;
    margin-bottom: 1rem;
}

.product-card-small h4 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.product-card-small .price {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--primary-color);
    margin: 1rem 0;
}

.cart-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    margin: 2rem 0;
}

.cart-items {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
}

.cart-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.cart-item-image img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 8px;
}

.cart-item-details {
    flex: 1;
}

.cart-item-details h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.cart-item-price {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--primary-color);
}

.remove-item {
    color: var(--danger-color);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
}

.cart-summary {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    height: fit-content;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.summary-row.total {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--primary-color);
    border-top: 2px solid var(--border-color);
    padding-top: 1rem;
    margin-top: 1rem;
}

.empty-cart {
    text-align: center;
    padding: 5rem 0;
}

.empty-cart i {
    font-size: 5rem;
    color: var(--border-color);
    margin-bottom: 1rem;
}

.checkout-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    margin: 2rem 0;
}

.checkout-form {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
}

.form-section {
    margin-bottom: 2rem;
}

.form-section h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.checkout-summary {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    height: fit-content;
}

.checkout-item {
    display: flex;
    justify-content: space-between;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.summary-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 1rem 0;
}

.success-container {
    text-align: center;
    padding: 5rem 0;
}

.success-icon i {
    font-size: 5rem;
    color: var(--success-color);
    margin-bottom: 1rem;
}

.success-container h1 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.success-message {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.success-info {
    max-width: 700px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: white;
    border-radius: 8px;
    text-align: left;
}

.success-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 2rem 0;
}

.next-steps {
    max-width: 600px;
    margin: 3rem auto;
    text-align: left;
}

.next-steps h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.next-steps ul {
    list-style: none;
}

.next-steps li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.next-steps i {
    color: var(--secondary-color);
}

.page-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin: 2rem 0;
}

.page-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 3rem;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin: 2rem 0;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-card {
    background-color: white;
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
}

.contact-icon {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.contact-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.contact-card a {
    color: var(--secondary-color);
    text-decoration: none;
}

.contact-form-wrapper {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
}

.about-content {
    margin: 2rem 0;
}

.about-section {
    margin-bottom: 4rem;
}

.about-section h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

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

.value-card {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
}

.value-card i {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.value-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

.team-member {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
}

.team-member img {
    width: 100%;
    margin-bottom: 1rem;
}

.team-member h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.team-role {
    color: var(--secondary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.company-info {
    max-width: 700px;
    margin: 0 auto;
}

.info-row {
    display: flex;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.info-label {
    font-weight: 600;
    min-width: 150px;
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .product-detail,
    .cart-container,
    .checkout-container,
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .product-actions-buttons {
        flex-direction: column;
    }
    
    .success-actions {
        flex-direction: column;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}