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

:root {
    --primary-color: #dc143c;
    --secondary-color: #b91c3c;
    --accent-color: #ef4444;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --background: #ffffff;
    --background-light: #fef2f2;
    --border-color: #e5e7eb;
}

body {
    font-family: 'Inter', 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--background);
}

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

.navbar {
    background: var(--background);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.nav-brand h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: 'Noto Sans JP', sans-serif;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
    font-size: 0.95rem;
}

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

.hero {
    background: linear-gradient(135deg, #dc143c 0%, #831843 100%);
    padding: 8rem 0 4rem;
    margin-top: 60px;
    color: white;
    text-align: center;
}

.hero-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    font-family: 'Noto Sans JP', sans-serif;
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    background: white;
    color: var(--primary-color);
    padding: 12px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(220, 20, 60, 0.2);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-dark);
    font-family: 'Noto Sans JP', sans-serif;
}

.about {
    padding: 5rem 0;
    background: var(--background-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-family: 'Noto Sans JP', sans-serif;
}

.about-text p {
    margin-bottom: 1rem;
    color: var(--text-light);
    line-height: 1.8;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(220, 20, 60, 0.08);
}

.feature h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    font-family: 'Noto Sans JP', sans-serif;
}

.feature p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.services {
    padding: 5rem 0;
}

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

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-family: 'Noto Sans JP', sans-serif;
}

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

.products {
    padding: 5rem 0;
    background: var(--background-light);
}

.product-showcase {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.product-main {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    align-items: center;
}

.product-image {
    background: linear-gradient(135deg, #dc143c 0%, #831843 100%);
    padding: 4rem;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 500px;
}

.product-icon {
    width: 200px;
    height: 200px;
    border-radius: 40px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    object-fit: cover;
}

.product-info {
    padding: 3rem;
}

.product-info h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-family: 'Noto Sans JP', sans-serif;
}

.product-tagline {
    color: var(--accent-color);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.product-info > p {
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.product-features {
    list-style: none;
    margin-bottom: 2rem;
}

.product-features li {
    padding: 0.5rem 0;
    color: var(--text-dark);
}

.product-actions {
    display: flex;
    gap: 1rem;
}

.product-link {
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
}

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

.product-link.primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.product-link.secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.product-link.secondary:hover {
    background: var(--primary-color);
    color: white;
}

.contact {
    padding: 5rem 0;
}

.contact-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.contact-content > p {
    color: var(--text-light);
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

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

.contact-item {
    background: var(--background-light);
    padding: 2rem;
    border-radius: 12px;
}

.contact-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-family: 'Noto Sans JP', sans-serif;
}

.contact-item p {
    color: var(--text-dark);
}

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

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    font-family: 'Noto Sans JP', sans-serif;
}

.footer-brand p {
    color: #9ca3af;
    font-size: 0.95rem;
}

.footer-links h4 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-family: 'Noto Sans JP', sans-serif;
}

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

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

.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s;
    font-size: 0.95rem;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
    color: #9ca3af;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .product-main {
        grid-template-columns: 1fr;
    }
    
    .product-image {
        min-height: 300px;
        padding: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}