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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 400;
    line-height: 1.6;
    color: #1B2A41;
    background-color: #F5F1E6;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Noto Serif JP', serif;
    font-weight: 500;
    line-height: 1.3;
    color: #1B2A41;
}

/* Header */
.header {
    background-color: #F5F1E6;
    padding: 20px 0;
    border-bottom: 1px solid rgba(27, 42, 65, 0.1);
}

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

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

.brand-name {
    font-size: 1.8rem;
    font-weight: 500;
    color: #1B2A41;
}

/* Hero Section */
.hero {
    padding: 80px 0;
    background-color: #F5F1E6;
}

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

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

.hero-title {
    font-size: 2.5rem;
    font-weight: 500;
    margin-bottom: 20px;
    color: #1B2A41;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
}

.hero-btn {
    padding: 14px 28px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Noto Sans JP', sans-serif;
    text-decoration: none;
    display: inline-block;
}

.hero-btn.primary {
    background-color: #1B2A41;
    color: #FFFFFF;
}

.hero-btn.primary:hover {
    background-color: #243548;
}

.hero-btn.secondary {
    background-color: transparent;
    color: #1B2A41;
    border: 2px solid #1B2A41;
}

.hero-btn.secondary:hover {
    background-color: #1B2A41;
    color: #FFFFFF;
}

.hero-image {
    width: 100%;
}

.hero-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(27, 42, 65, 0.15);
}

.placeholder-text {
    color: #1B2A41;
    font-weight: 500;
    font-size: 1rem;
}

/* Section Styles */
section {
    padding: 80px 0;
    text-align: center;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2rem;
    font-weight: 500;
    margin-bottom: 16px;
    color: #1B2A41;
}

.section-subtitle {
    font-size: 1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* Concept Section */
.concept {
    background-color: #FFFFFF;
    text-align: center;
}

.concept-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.concept-item {
    text-align: center;
    padding: 30px 20px;
    background-color: #F5F1E6;
    border-radius: 12px;
}

.concept-icon {
    width: 64px;
    height: 64px;
    background-color: #FFFFFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    border: 2px solid rgba(27, 42, 65, 0.1);
}

.concept-item h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: #1B2A41;
}

.concept-item p {
    color: #666;
    font-size: 0.95rem;
}

/* Products Section */
.products {
    background-color: #F5F1E6;
    text-align: center;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    background-color: #FFFFFF;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(27, 42, 65, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(27, 42, 65, 0.15);
}

.product-image {
    width: 100%;
}

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

.product-info {
    padding: 24px;
}

.product-info h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: #1B2A41;
}

.product-info p {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 16px;
    line-height: 1.5;
}

.product-price {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1B2A41;
    margin-bottom: 20px;
}

.product-btn {
    width: 100%;
    background-color: #1B2A41;
    color: #FFFFFF;
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
    font-family: 'Noto Sans JP', sans-serif;
}

.product-btn:hover {
    background-color: #243548;
}

/* Subscription Section */
.subscription {
    background-color: #FFFFFF;
    text-align: center;
}

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

.subscription-text h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #1B2A41;
}

.subscription-text p {
    color: #666;
    margin-bottom: 24px;
    line-height: 1.6;
}

.subscription-features {
    list-style: none;
    margin-bottom: 30px;
}

.subscription-features li {
    color: #666;
    margin-bottom: 12px;
    position: relative;
    padding-left: 24px;
}

.subscription-features li::before {
    content: "•";
    color: #F2D974;
    font-size: 1.2rem;
    position: absolute;
    left: 0;
    top: -2px;
}

.subscription-btn {
    background-color: #F2D974;
    color: #1B2A41;
    border: none;
    padding: 14px 28px;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
    font-family: 'Noto Sans JP', sans-serif;
}

.subscription-btn:hover {
    background-color: #f0d55f;
}

.subscription-image {
    width: 100%;
}

.subscription-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(27, 42, 65, 0.1);
}

/* Technology Section */
.technology {
    background-color: #F5F1E6;
    text-align: center;
}

.technology-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.tech-item {
    text-align: center;
    padding: 40px 20px;
    background-color: #FFFFFF;
    border-radius: 12px;
    box-shadow: 0 2px 15px rgba(27, 42, 65, 0.08);
}

.tech-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tech-item h3 {
    font-size: 1.3rem;
    margin-bottom: 16px;
    color: #1B2A41;
}

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

/* Corporate Section */
.corporate {
    background-color: #FFFFFF;
    text-align: center;
}

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

.corporate-image {
    width: 100%;
}

.corporate-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(27, 42, 65, 0.1);
}

.corporate-text h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #1B2A41;
}

.corporate-text p {
    color: #666;
    margin-bottom: 24px;
    line-height: 1.6;
}

.corporate-features {
    list-style: none;
    margin-bottom: 30px;
}

.corporate-features li {
    color: #666;
    margin-bottom: 12px;
    position: relative;
    padding-left: 24px;
}

.corporate-features li::before {
    content: "•";
    color: #F2D974;
    font-size: 1.2rem;
    position: absolute;
    left: 0;
    top: -2px;
}

.corporate-btn {
    background-color: #1B2A41;
    color: #FFFFFF;
    border: none;
    padding: 14px 28px;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
    font-family: 'Noto Sans JP', sans-serif;
}

.corporate-btn:hover {
    background-color: #243548;
}

/* Sustainability Section */
.sustainability {
    background-color: #F5F1E6;
    text-align: center;
}

.sustainability-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.sustain-item {
    text-align: center;
    padding: 40px 20px;
    background-color: #FFFFFF;
    border-radius: 12px;
    box-shadow: 0 2px 15px rgba(27, 42, 65, 0.08);
}

.sustain-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sustain-item h3 {
    font-size: 1.3rem;
    margin-bottom: 16px;
    color: #1B2A41;
}

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

/* Contact Section */
.contact {
    background-color: #FFFFFF;
    text-align: center;
}

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

.contact-item {
    text-align: center;
    padding: 30px 20px;
}

.contact-icon {
    width: 64px;
    height: 64px;
    background-color: #F5F1E6;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.contact-item h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: #1B2A41;
}

.contact-item p {
    color: #666;
    margin-bottom: 4px;
}

.contact-hours {
    font-size: 0.9rem;
    color: #999;
}

/* Footer */
.footer {
    background-color: #1B2A41;
    color: #F5F1E6;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.footer-column h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: #F2D974;
}

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

.footer-column ul li {
    margin-bottom: 10px;
}

.footer-column ul li a {
    color: rgba(245, 241, 230, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-column ul li a:hover {
    color: #F2D974;
}

.footer-logo-section {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-brand {
    font-size: 1.3rem;
    font-weight: 500;
    color: #F5F1E6;
    font-family: 'Noto Serif JP', serif;
}

.footer-description {
    color: rgba(245, 241, 230, 0.8);
    line-height: 1.6;
}

.footer-section h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: #F2D974;
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: rgba(245, 241, 230, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #F2D974;
}

.footer-section p {
    color: rgba(245, 241, 230, 0.8);
    margin-bottom: 8px;
}

.footer-bottom {
    border-top: 1px solid rgba(245, 241, 230, 0.2);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(245, 241, 230, 0.6);
    font-size: 0.9rem;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: #FFFFFF;
    margin: 5% auto;
    padding: 40px;
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    position: relative;
}

.close-btn {
    color: #666;
    float: right;
    font-size: 28px;
    font-weight: bold;
    position: absolute;
    right: 20px;
    top: 20px;
    cursor: pointer;
}

.close-btn:hover {
    color: #1B2A41;
}

.modal-content h2 {
    margin-bottom: 30px;
    color: #1B2A41;
    text-align: center;
}

/* Form Styles */
.order-form {
    display: flex;
    flex-direction: column;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #1B2A41;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #E0E0E0;
    border-radius: 6px;
    font-size: 1rem;
    font-family: 'Noto Sans JP', sans-serif;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #F2D974;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    background-color: #1B2A41;
    color: #FFFFFF;
    border: none;
    padding: 16px 32px;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
    font-family: 'Noto Sans JP', sans-serif;
    margin-top: 10px;
}

.submit-btn:hover {
    background-color: #243548;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-text {
        text-align: center;
        order: 2;
    }

    .hero-image {
        order: 1;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-btn {
        flex: 1;
        max-width: 200px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .subscription-content,
    .corporate-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .subscription-image-placeholder,
    .corporate-image-placeholder {
        order: -1;
    }

    .hero-image-placeholder,
    .subscription-image-placeholder,
    .corporate-image-placeholder {
        height: 200px;
    }

    section {
        padding: 60px 0;
    }

    .brand-name {
        font-size: 1.5rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .modal-content {
        padding: 20px;
        margin: 10% auto;
        width: 95%;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-btn {
        width: 100%;
        max-width: 280px;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .concept-grid,
    .technology-grid,
    .sustainability-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .placeholder-text {
        font-size: 0.9rem;
        padding: 0 16px;
        text-align: center;
    }
}