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

body {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 400;
    line-height: 1.6;
    color: #2C2C2C;
    background-color: #FEFEFE;
    font-size: 16px;
}

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

.center-content {
    text-align: center;
}

.center-content .hero-content,
.center-content .section-header,
.center-content .concept-grid,
.center-content .services-grid,
.center-content .products-grid,
.center-content .process-steps,
.center-content .testimonials-grid,
.center-content .blog-grid {
    text-align: center;
}

.center-content .benefits-content {
    text-align: left;
}

/* Header */
.header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #F0F0F0;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

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

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

.brand-name {
    font-size: 24px;
    font-weight: 500;
    color: #2C2C2C;
    letter-spacing: 0.02em;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav a {
    color: #2C2C2C;
    text-decoration: none;
    font-weight: 400;
    padding: 8px 0;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

.nav a:hover {
    color: #666;
    border-bottom-color: #E0E0E0;
}

/* Hero Section */
.hero {
    padding: 80px 0 120px;
    background: linear-gradient(135deg, #FEFEFE 0%, #F8F8F8 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-content {
    max-width: 500px;
}

.hero-title {
    font-size: 48px;
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: 24px;
    color: #1A1A1A;
    letter-spacing: 0.02em;
}

.hero-subtitle {
    font-size: 18px;
    color: #666;
    margin-bottom: 40px;
    line-height: 1.8;
}

.cta-button {
    background-color: #2C2C2C;
    color: white;
    padding: 16px 32px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.cta-button:hover {
    background-color: #1A1A1A;
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(44, 44, 44, 0.15);
}

.hero-image {
    height: 400px;
    border-radius: 12px;
    overflow: hidden;
    background-color: #F5F5F5;
}

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

.image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: 16px;
    background-color: #F8F8F8;
    border: 2px dashed #E0E0E0;
}

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

.section-title {
    font-size: 36px;
    font-weight: 500;
    text-align: center;
    margin-bottom: 16px;
    color: #1A1A1A;
    letter-spacing: 0.02em;
}

.section-subtitle {
    font-size: 18px;
    text-align: center;
    color: #666;
    margin-bottom: 64px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-header {
    margin-bottom: 64px;
}

/* Concept Section */
.concept {
    background-color: #FAFAFA;
}

.concept-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 48px;
}

.concept-item {
    text-align: center;
    padding: 40px 24px;
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.concept-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #F8F8F8;
    border-radius: 50%;
}

.concept-item h3 {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 12px;
    color: #1A1A1A;
}

.concept-item p {
    color: #666;
    line-height: 1.6;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.service-card {
    padding: 40px 32px;
    background-color: white;
    border-radius: 12px;
    border: 1px solid #F0F0F0;
    transition: all 0.2s ease;
}

.service-card:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.service-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-card h3 {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 12px;
    color: #1A1A1A;
}

.service-card p {
    color: #666;
    line-height: 1.6;
}

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

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.product-card {
    background-color: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    transition: all 0.2s ease;
}

.product-card:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.product-image {
    height: 200px;
    background-color: #F8F8F8;
    border-radius: 12px 12px 0 0;
    overflow: hidden;
}

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

.product-info {
    padding: 24px;
}

.product-info h3 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 8px;
    color: #1A1A1A;
}

.product-info p {
    color: #666;
    font-size: 14px;
    margin-bottom: 20px;
}

.product-btn {
    width: 100%;
    padding: 12px;
    background-color: transparent;
    color: #2C2C2C;
    border: 2px solid #E0E0E0;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.product-btn:hover {
    background-color: #2C2C2C;
    color: white;
    border-color: #2C2C2C;
}

/* Process Section */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 48px;
    margin-top: 64px;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: #2C2C2C;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 500;
    margin: 0 auto 24px;
}

.step h3 {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 12px;
    color: #1A1A1A;
}

.step p {
    color: #666;
    line-height: 1.6;
}

/* Benefits Section */
.benefits {
    background-color: #FAFAFA;
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.benefits-text h2 {
    font-size: 36px;
    font-weight: 500;
    margin-bottom: 40px;
    color: #1A1A1A;
}

.benefit-list {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.benefit-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.benefit-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.benefit-item h4 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 8px;
    color: #1A1A1A;
}

.benefit-item p {
    color: #666;
    line-height: 1.6;
}

.benefits-image {
    height: 400px;
    border-radius: 12px;
    background-color: #F5F5F5;
    overflow: hidden;
}

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

/* Testimonials Section */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.testimonial-card {
    padding: 40px 32px;
    background-color: white;
    border-radius: 12px;
    border: 1px solid #F0F0F0;
    text-align: center;
}

.testimonial-card p {
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    font-size: 14px;
    color: #666;
    font-weight: 500;
}

/* Blog Section */
.blog {
    background-color: #FAFAFA;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.blog-card {
    background-color: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    transition: all 0.2s ease;
}

.blog-card:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.blog-image {
    height: 200px;
    background-color: #F8F8F8;
    border-radius: 12px 12px 0 0;
    overflow: hidden;
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-content {
    padding: 24px;
}

.blog-content h3 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 12px;
    color: #1A1A1A;
    line-height: 1.4;
}

.blog-content p {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}

/* Contact Section */
.contact {
    background-color: white;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 48px;
    margin: 64px 0;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #F8F8F8;
    border-radius: 50%;
}

.contact-item h4 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 8px;
    color: #1A1A1A;
}

.contact-item p {
    color: #666;
    line-height: 1.6;
}

.contact-cta {
    text-align: center;
    margin-top: 64px;
}

/* Footer */
.footer {
    background-color: #1A1A1A;
    color: white;
    padding: 64px 0 32px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-brand .logo-container {
    color: white;
    margin-bottom: 16px;
}

.footer-brand p {
    color: #B0B0B0;
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, auto);
    gap: 64px;
}

.footer-section h4 {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 16px;
}

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

.footer-section li {
    margin-bottom: 8px;
}

.footer-section a {
    color: #B0B0B0;
    text-decoration: none;
    transition: color 0.2s ease;
}

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

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid #333;
    text-align: center;
}

.footer-bottom p {
    color: #B0B0B0;
    font-size: 14px;
}

/* Modal */
.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: 40px;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    position: relative;
    max-height: 80vh;
    overflow-y: auto;
}

.close {
    color: #999;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    right: 20px;
    top: 20px;
}

.close:hover {
    color: #333;
}

.modal-content h2 {
    margin-bottom: 32px;
    color: #1A1A1A;
    font-size: 24px;
    font-weight: 500;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #E0E0E0;
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2C2C2C;
}

.submit-btn {
    width: 100%;
    padding: 16px;
    background-color: #2C2C2C;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.submit-btn:hover {
    background-color: #1A1A1A;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .concept-grid,
    .services-grid,
    .products-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .benefits-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 32px;
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: left;
    }
    
    section {
        padding: 48px 0;
    }
    
    .modal-content {
        margin: 10% auto;
        padding: 24px;
    }
}