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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: #2C2C2C;
    background-color: #FFFFFF;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Noto Serif JP', serif;
    line-height: 1.2;
    font-weight: 500;
}

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

/* Centered Sections */
.centered-section {
    text-align: center;
}

.centered-section .container > * {
    text-align: center;
}

.centered-section .hero-content,
.centered-section .materials-content,
.centered-section .about-content {
    text-align: left;
}

/* Color Variables */
:root {
    --hinoki-beige: #F5F1E8;
    --sumi-charcoal: #2C2C2C;
    --aizome-indigo: #1E3A8A;
    --persimmon-tan: #D97706;
    --wood-brown: #8B4513;
}

/* Header */
.header {
    background-color: #FFFFFF;
    padding: 20px 0;
    border-bottom: 1px solid #E5E5E5;
}

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

.logo-section {
    display: flex;
    align-items: center;
    flex-direction: column;
    text-align: center;
}

.logo {
    margin-bottom: 8px;
}

.brand-name {
    font-size: 32px;
    font-weight: 700;
    color: var(--sumi-charcoal);
    margin-bottom: 4px;
}

.brand-subtitle {
    font-size: 14px;
    color: var(--persimmon-tan);
    letter-spacing: 2px;
}

/* Hero Section */
.hero {
    padding: 80px 0;
    background-color: var(--hinoki-beige);
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.hero-text {
    flex: 1;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.hero-img {
    width: 100%;
    max-width: 500px;
    height: 400px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    color: var(--sumi-charcoal);
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 18px;
    line-height: 1.8;
    color: var(--sumi-charcoal);
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}


/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    text-align: center;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--aizome-indigo);
    color: #FFFFFF;
    border-color: var(--aizome-indigo);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--aizome-indigo);
    border-color: var(--aizome-indigo);
}

.btn-secondary {
    background-color: transparent;
    color: var(--persimmon-tan);
    border-color: var(--persimmon-tan);
}

.btn-secondary:hover {
    background-color: var(--persimmon-tan);
    color: #FFFFFF;
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 36px;
    text-align: center;
    color: var(--sumi-charcoal);
    margin-bottom: 60px;
}

/* Features Section */
.features {
    background-color: #FFFFFF;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.feature-card {
    text-align: center;
    padding: 40px 20px;
    border-radius: 12px;
    background-color: var(--hinoki-beige);
}

.feature-icon {
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 24px;
    color: var(--sumi-charcoal);
    margin-bottom: 16px;
}

.feature-card p {
    color: #666;
    line-height: 1.7;
}

/* Services Section */
.services {
    background-color: var(--hinoki-beige);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 60px;
}

.service-card {
    display: flex;
    gap: 30px;
    background-color: #FFFFFF;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

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

.service-image img {
    width: 200px;
    height: 150px;
    object-fit: cover;
    border-radius: 6px;
}

.service-content h3 {
    font-size: 24px;
    color: var(--sumi-charcoal);
    margin-bottom: 16px;
}

.service-content p {
    color: #666;
    margin-bottom: 20px;
}

.service-content ul {
    list-style: none;
}

.service-content ul li {
    color: #666;
    margin-bottom: 8px;
    position: relative;
    padding-left: 20px;
}

.service-content ul li::before {
    content: "•";
    color: var(--persimmon-tan);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Materials Section */
.materials {
    background-color: #FFFFFF;
}

.materials-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.materials-text h3 {
    font-size: 28px;
    color: var(--sumi-charcoal);
    margin-bottom: 20px;
}

.materials-text p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 24px;
}

.materials-text ul {
    list-style: none;
}

.materials-text ul li {
    color: #666;
    margin-bottom: 12px;
    padding-left: 24px;
    position: relative;
}

.materials-text ul li::before {
    content: "◦";
    color: var(--persimmon-tan);
    position: absolute;
    left: 0;
    font-size: 18px;
}

.materials-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
/* Process Section */
.process {
    background-color: var(--hinoki-beige);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.process-step {
    text-align: center;
    padding: 40px 20px;
    background-color: #FFFFFF;
    border-radius: 12px;
}

.step-number {
    font-size: 24px;
    font-weight: 700;
    color: var(--persimmon-tan);
    background-color: rgba(217, 119, 6, 0.1);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.process-step h3 {
    font-size: 20px;
    color: var(--sumi-charcoal);
    margin-bottom: 16px;
}

.process-step p {
    color: #666;
    line-height: 1.7;
}

/* Products Section */
.products {
    background-color: #FFFFFF;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.product-card {
    background-color: var(--hinoki-beige);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.product-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 12px 12px 0 0;
}

.product-content {
    padding: 30px;
}

.product-content h3 {
    font-size: 24px;
    color: var(--sumi-charcoal);
    margin-bottom: 16px;
}

.product-content p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 20px;
}

.product-price {
    font-size: 20px;
    font-weight: 700;
    color: var(--persimmon-tan);
    margin-bottom: 20px;
}

/* Testimonials Section */
.testimonials {
    background-color: var(--hinoki-beige);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.testimonial-card {
    background-color: #FFFFFF;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.testimonial-content p {
    color: #666;
    line-height: 1.8;
    font-style: italic;
    margin-bottom: 24px;
    font-size: 16px;
}

.testimonial-author strong {
    color: var(--sumi-charcoal);
    font-weight: 500;
}

.testimonial-author span {
    color: #888;
    font-size: 14px;
    display: block;
    margin-top: 4px;
}

/* About Preview Section */
.about-preview {
    background-color: #FFFFFF;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 36px;
    color: var(--sumi-charcoal);
    margin-bottom: 24px;
}

.about-text p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
/* Contact Section */
.contact {
    background-color: var(--hinoki-beige);
}

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

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    width: 100%;
    max-width: 800px;
}

.contact-item {
    text-align: center;
    padding: 30px;
    background-color: #FFFFFF;
    border-radius: 12px;
}

.contact-item h3 {
    font-size: 20px;
    color: var(--sumi-charcoal);
    margin-bottom: 16px;
}

.contact-item p {
    color: #666;
}

.contact-item a {
    color: var(--aizome-indigo);
    text-decoration: none;
}

.contact-item a:hover {
    color: var(--persimmon-tan);
}

/* Footer */
.footer {
    background-color: var(--sumi-charcoal);
    color: #FFFFFF;
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
    align-items: center;
}

.footer-section {
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-weight: 500;
}

.footer-links-grid {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-links-grid a {
    color: #FFFFFF;
    text-decoration: none;
    font-size: 14px;
    padding: 5px 10px;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.footer-links-grid a:hover {
    color: var(--persimmon-tan);
    background-color: rgba(217, 119, 6, 0.1);
}

.footer-copyright {
    width: 100%;
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #444;
    font-size: 14px;
    color: #CCCCCC;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-img {
        height: 250px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card {
        flex-direction: column;
    }
    
    .service-image img {
        width: 100%;
        height: 200px;
    }
    
    .materials-content,
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        text-align: center;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .brand-name {
        font-size: 24px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .container {
        padding: 0 16px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .feature-card,
    .service-card,
    .testimonial-card,
    .process-step,
    .contact-item {
        padding: 24px;
    }
}