/* CSS Variables */
:root {
    --primary-color: #1a237e;
    --accent-color: #d32f2f;
    --background-light: #f8f9fa;
    --text-dark: #333333;
    --text-light: #666666;
    --border-radius: 8px;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
}

/* 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: var(--text-dark);
    background-color: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Header */
.header {
    background-color: white;
    padding: var(--spacing-lg) 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo-container a {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-decoration: none;
}

.logo {
    width: 48px;
    height: 48px;
}

.brand-name {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--background-light) 0%, #ffffff 100%);
    padding: var(--spacing-2xl) 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-content {
    text-align: left;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

.hero-description {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.cta-button {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 18px;
    font-weight: 600;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background-color: #b71c1c;
    transform: translateY(-2px);
}

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

.hero-img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--border-radius);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* Features Section */
.features {
    padding: var(--spacing-2xl) 0;
    background-color: white;
    text-align: center;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.feature-card {
    background-color: var(--background-light);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    text-align: center;
    transition: transform 0.3s ease;
}

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

.feature-icon {
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: center;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.feature-card p {
    color: var(--text-dark);
    line-height: 1.6;
}

/* Nutrition Section */
.nutrition {
    padding: var(--spacing-2xl) 0;
    background-color: var(--background-light);
    text-align: center;
}

.nutrition-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.nutrition-text {
    text-align: left;
}

.nutrition-text h2 {
    font-size: 32px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.nutrition-text p {
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.nutrition-features {
    list-style: none;
    padding: 0;
}

.nutrition-features li {
    padding: var(--spacing-sm) 0;
    color: var(--text-dark);
    position: relative;
    padding-left: var(--spacing-lg);
}

.nutrition-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

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

.content-img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.nutrition-svg {
    width: 100%;
    height: 350px;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    background: white;
}

/* Training Section */
.training {
    padding: var(--spacing-2xl) 0;
    background-color: white;
    text-align: center;
}

.training-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.training-text {
    text-align: left;
}

.training-text h2 {
    font-size: 32px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.training-text p {
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.training-features {
    list-style: none;
    padding: 0;
}

.training-features li {
    padding: var(--spacing-sm) 0;
    color: var(--text-dark);
    position: relative;
    padding-left: var(--spacing-lg);
}

.training-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

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

/* Supplements Section */
.supplements {
    padding: var(--spacing-2xl) 0;
    background-color: var(--background-light);
    text-align: center;
}

.section-description {
    font-size: 16px;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.supplements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.supplement-card {
    background-color: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    text-align: center;
    transition: transform 0.3s ease;
}

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

.supplement-image {
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: center;
}

.supplement-img {
    width: 250px;
    height: 180px;
    object-fit: cover;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.supplement-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.supplement-card p {
    color: var(--text-dark);
    line-height: 1.6;
}

/* Products Section */
.products {
    padding: var(--spacing-2xl) 0;
    background-color: white;
    text-align: center;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.product-card {
    background-color: var(--background-light);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    text-align: center;
    position: relative;
    transition: transform 0.3s ease;
}

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

.product-card.featured {
    border: 2px solid var(--accent-color);
    background-color: white;
}

.product-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--accent-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: 12px;
    font-weight: 600;
}

.product-header h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.product-price {
    font-size: 32px;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: var(--spacing-lg);
}

.product-price span {
    font-size: 16px;
    font-weight: 400;
    color: var(--text-light);
}

.product-features {
    list-style: none;
    padding: 0;
    margin-bottom: var(--spacing-xl);
}

.product-features li {
    padding: var(--spacing-sm) 0;
    color: var(--text-dark);
    position: relative;
    padding-left: var(--spacing-lg);
}

.product-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

.product-button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.product-button:hover {
    background-color: #0d47a1;
    transform: translateY(-2px);
}

/* How It Works Section */
.how-it-works {
    padding: var(--spacing-2xl) 0;
    background-color: var(--background-light);
    text-align: center;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.step-card {
    background-color: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    text-align: center;
    transition: transform 0.3s ease;
}

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

.step-number {
    width: 50px;
    height: 50px;
    background-color: var(--accent-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto var(--spacing-lg);
}

.step-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.step-card p {
    color: var(--text-dark);
    line-height: 1.6;
}

/* Testimonials Section */
.testimonials {
    padding: var(--spacing-2xl) 0;
    background-color: white;
    text-align: center;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.testimonial-card {
    background-color: var(--background-light);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    display: flex;
    gap: var(--spacing-lg);
    transition: transform 0.3s ease;
}

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

.testimonial-image {
    flex-shrink: 0;
}

.testimonial-img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.testimonial-content {
    text-align: left;
}

.testimonial-content p {
    font-size: 16px;
    color: var(--text-dark);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.testimonial-author {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 600;
}

/* Contact Section */
.contact {
    padding: var(--spacing-2xl) 0;
    background-color: var(--background-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    background-color: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background-color: var(--background-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-details h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.contact-details p {
    color: var(--text-dark);
    line-height: 1.6;
    margin: 0;
}

.contact-map {
    display: flex;
    justify-content: center;
    align-items: center;
}

.map-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 20px;
    font-weight: 600;
}

.footer-logo a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: white;
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.footer-column h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: white;
}

.footer-column ul {
    list-style: none;
    padding: 0;
}

.footer-column li {
    margin-bottom: var(--spacing-xs);
}

.footer-column a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: var(--spacing-md);
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    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: var(--spacing-2xl);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 500px;
    position: relative;
}

.close {
    position: absolute;
    right: var(--spacing-lg);
    top: var(--spacing-lg);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: var(--text-light);
}

.close:hover {
    color: var(--text-dark);
}

.order-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-weight: 600;
    color: var(--primary-color);
}

.form-group input,
.form-group select {
    padding: var(--spacing-md);
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-family: 'Noto Sans JP', sans-serif;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.submit-button {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 18px;
    font-weight: 600;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-button:hover {
    background-color: #b71c1c;
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .nutrition-content,
    .training-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .footer-nav {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 36px;
    }
    
    .hero-img {
        height: 300px;
    }
    
    .features-grid,
    .supplements-grid,
    .products-grid,
    .steps-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-nav {
        grid-template-columns: 1fr;
    }
    
    .testimonial-card {
        flex-direction: column;
        text-align: center;
    }
    
    .testimonial-content {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-img {
        height: 250px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .modal-content {
        margin: 10% auto;
        padding: var(--spacing-lg);
    }
}