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

body {
    font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic Pro', 'Meiryo', 'Source Han Sans JP', sans-serif;
    line-height: 1.6;
    color: #333;
    font-display: swap;
}

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

/* Header */
.header {
    background: white;
    padding: 1rem 0;
    border-bottom: 2px solid #f0f0f0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo-section {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    flex-shrink: 0;
}

.brand-name {
    font-family: 'Noto Serif JP', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a237e;
    margin: 0;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #1a237e 0%, #3949ab 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.hero-title {
    font-family: 'Noto Serif JP', serif;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.5;
}

.hero-image-placeholder {
    margin-top: 2rem;
    width: 100%;
    max-width: 600px;
}

/* Sections */
.section {
    padding: 4rem 0;
    text-align: center;
}

.section:nth-child(even) {
    background: #f8f9fa;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.section-header h2 {
    font-family: 'Noto Serif JP', serif;
    font-size: 1.8rem;
    color: #1a237e;
    margin: 0;
}

.section-icon {
    flex-shrink: 0;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    text-align: left;
}

.content-text ul {
    list-style: none;
    margin-top: 1rem;
}

.content-text li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.content-text li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: #e53935;
    font-weight: bold;
}

.content-image-placeholder {
    background: #f5f5f5;
    border-radius: 8px;
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed #ddd;
}

.placeholder-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    color: #666;
    text-align: center;
    padding: 2rem;
}

/* Products Section */
.products-section {
    background: #1a237e;
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.section-title {
    font-family: 'Noto Serif JP', serif;
    font-size: 2rem;
    text-align: center;
    margin-bottom: 3rem;
    color: white;
}

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

.product-card {
    background: white;
    color: #333;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.product-icon {
    margin: 0 auto 1.5rem;
    width: fit-content;
}

.product-card h3 {
    font-family: 'Noto Serif JP', serif;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #1a237e;
}

.product-card p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.product-card .price {
    font-size: 1.2rem;
    font-weight: 700;
    color: #e53935;
    margin-bottom: 1.5rem;
}

.cta-button {
    display: inline-block;
    background: #e53935;
    color: white;
    padding: 0.8rem 1.5rem;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background: #d32f2f;
}

/* Contacts */
.contacts {
    padding: 4rem 0;
    background: #f8f9fa;
    text-align: center;
}

.contacts .section-title {
    color: #1a237e;
}

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

.contact-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    text-align: left;
}

.contact-icon {
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.contact-item h3 {
    font-family: 'Noto Serif JP', serif;
    color: #1a237e;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.contact-item a {
    color: #e53935;
    text-decoration: none;
    font-weight: 500;
}

.contact-item a:hover {
    text-decoration: underline;
}

.contact-item address {
    font-style: normal;
    line-height: 1.4;
}

/* Footer */
.footer {
    background: #1a237e;
    color: white;
    padding: 3rem 0 1rem;
    text-align: left;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 4rem;
    margin-bottom: 2rem;
}

.footer-brand {
    flex: 2;
}

.footer-nav {
    flex: 1;
}

.footer-brand p {
    margin-top: 1rem;
    opacity: 0.8;
    line-height: 1.5;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1rem;
}

.footer-logo span {
    font-family: 'Noto Serif JP', serif;
    font-size: 1.3rem;
    font-weight: 700;
}

.footer-links h4 {
    font-family: 'Noto Serif JP', serif;
    margin-bottom: 1rem;
    color: white;
}

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

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

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

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    opacity: 0.7;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        text-align: center;
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }
    
    .brand-name {
        font-size: 1.3rem;
    }
    
    .hero-image-placeholder {
        padding: 2rem;
    }
    
    .hero-content {
        align-items: center;
    }
}