/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --yuzu-yellow: #FFD700;
    --indigo-blue: #4B0082;
    --charcoal-black: #333333;
    --light-gray: #f8f9fa;
    --white: #ffffff;
    --text-light: #666666;
}

body {
    font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', 'Meiryo', sans-serif;
    line-height: 1.6;
    color: var(--charcoal-black);
    background-color: var(--white);
}

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

/* Header */
.header {
    background-color: var(--white);
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 15px;
}

.brand-name {
    font-family: 'Noto Serif JP', serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--charcoal-black);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--yuzu-yellow), #FFF4B3);
    padding: 80px 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

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

.hero-image {
    text-align: center;
}

.hero-main-image {
    width: 100%;
    max-width: 500px;
    height: 350px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

.hero-title {
    font-family: 'Noto Serif JP', serif;
    font-size: 48px;
    font-weight: 700;
    color: var(--charcoal-black);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.5;
}

.cta-button {
    background-color: var(--indigo-blue);
    color: var(--white);
    padding: 18px 36px;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background-color: #5A1A9B;
    transform: translateY(-2px);
}

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

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

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

.centered-section .about-grid,
.centered-section .features-grid,
.centered-section .products-grid,
.centered-section .steps,
.centered-section .benefits-grid,
.centered-section .testimonials-grid {
    text-align: center;
}

.section-title {
    font-family: 'Noto Serif JP', serif;
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: var(--charcoal-black);
}

.centered-title {
    text-align: center;
}

/* About Section */
.about {
    background-color: var(--light-gray);
}

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

.about-item {
    text-align: center;
    padding: 30px;
    background-color: var(--white);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

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

.about-item h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--charcoal-black);
}

.about-item p {
    color: var(--text-light);
    font-size: 16px;
    line-height: 1.6;
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    text-align: center;
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--charcoal-black);
}

.placeholder-image {
    background-color: var(--light-gray);
    height: 180px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 20px 0;
    color: var(--text-light);
    font-style: italic;
}

.feature-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 8px;
    margin: 20px 0;
}

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

/* Products Section */
.products {
    background-color: var(--light-gray);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

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

.product-card:hover {
    transform: translateY(-5px);
}

.product-card .placeholder-image {
    height: 200px;
    margin: 0;
    border-radius: 0;
}

.product-image {
    width: 100%;
    height: 200px;
    margin: 0;
    border-radius: 8px 8px 0 0;
    background-color: var(--light-gray);
}

.product-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin: 20px 20px 10px;
    color: var(--charcoal-black);
}

.price {
    font-size: 24px;
    font-weight: 700;
    color: var(--indigo-blue);
    margin: 0 20px 15px;
}

.product-card p {
    margin: 0 20px 25px;
    color: var(--text-light);
    line-height: 1.6;
}

.product-button {
    background-color: var(--yuzu-yellow);
    color: var(--charcoal-black);
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    margin: 0 20px 20px;
    width: calc(100% - 40px);
    transition: all 0.3s ease;
}

.product-button:hover {
    background-color: #E6C200;
    transform: translateY(-2px);
}

/* How It Works */
.how-it-works {
    background-color: var(--white);
}

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

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

.step-number {
    background-color: var(--indigo-blue);
    color: var(--white);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--charcoal-black);
}

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

/* Benefits Sections */
.benefits-users {
    background-color: var(--light-gray);
}

.benefits-vendors {
    background-color: var(--white);
}

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

.benefit-item {
    padding: 30px;
    background-color: var(--white);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    text-align: center;
}

.benefits-vendors .benefit-item {
    background-color: var(--light-gray);
}

.benefit-item h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--charcoal-black);
}

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

/* Testimonials */
.testimonials {
    background-color: var(--light-gray);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial {
    background-color: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    text-align: center;
}

.testimonial .placeholder-image {
    height: 80px;
    width: 80px;
    border-radius: 50%;
    margin: 0 auto 20px;
}

.testimonial-image {
    height: 80px;
    width: 80px;
    border-radius: 50%;
    margin: 0 auto 20px;
    object-fit: cover;
}

.testimonial p {
    font-style: italic;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.6;
}

.customer-name {
    font-weight: 600;
    color: var(--charcoal-black);
}

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

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--charcoal-black);
}

.contact-item {
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.6;
}

.contact-item strong {
    color: var(--charcoal-black);
    font-weight: 600;
}

.contact-form {
    background-color: var(--light-gray);
    padding: 40px;
    border-radius: 12px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--charcoal-black);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 6px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--indigo-blue);
}

.submit-button {
    background-color: var(--indigo-blue);
    color: var(--white);
    padding: 15px 30px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.submit-button:hover {
    background-color: #5A1A9B;
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background-color: var(--charcoal-black);
    color: var(--white);
    padding: 60px 0 20px;
}

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

.footer-contact {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #555;
}

.footer-contact p {
    margin-bottom: 8px;
    font-size: 14px;
}

.footer-section h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--yuzu-yellow);
}

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

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

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--yuzu-yellow);
}

.footer-section .logo-section {
    margin-bottom: 20px;
}

.footer-section .brand-name {
    color: var(--white);
    font-size: 20px;
}

.footer-section p {
    color: #ccc;
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid #555;
    padding-top: 20px;
    text-align: center;
    color: #ccc;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-text {
        text-align: center;
    }
    
    .hero-main-image {
        height: 250px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .hero-main-image {
        height: 200px;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 24px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}