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

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background-color: #FAF7F0;
}

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

/* Header */
.header {
    background-color: #FAF7F0;
    padding: 20px 0;
    border-bottom: 1px solid #e5e7eb;
}

.logo-brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo {
    flex-shrink: 0;
}

.brand-name {
    font-size: 24px;
    font-weight: 700;
    color: #4F46E5;
}

/* Hero Section */
.hero {
    padding: 80px 0;
    background-color: #ffffff;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 24px;
    line-height: 1.2;
}

.hero-description {
    font-size: 18px;
    color: #4b5563;
    margin-bottom: 48px;
}

.hero-image-placeholder {
    margin-top: 48px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 16px -4px rgba(0, 0, 0, 0.1);
}

.sheet-image {
    width: 200px;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 8px -2px rgba(0, 0, 0, 0.1);
}

.event-image {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 6px 12px -3px rgba(0, 0, 0, 0.1);
}

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

/* Section Titles */
.section-title {
    font-size: 36px;
    font-weight: 700;
    color: #1a1a1a;
    text-align: center;
    margin-bottom: 48px;
}

.section-description {
    text-align: center;
    font-size: 18px;
    color: #4b5563;
    margin-bottom: 48px;
}

/* Free Lessons Section */
.free-lessons {
    padding: 80px 0;
    background-color: #FAF7F0;
    text-align: center;
}

.lessons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.lesson-card {
    background-color: #ffffff;
    padding: 32px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.lesson-icon {
    margin-bottom: 16px;
}

.lesson-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 12px;
}

.lesson-card p {
    color: #4b5563;
    font-size: 16px;
}

/* Course Features */
.course-features {
    padding: 80px 0;
    background-color: #ffffff;
    text-align: center;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.feature-item {
    text-align: center;
}

.feature-item h3 {
    font-size: 20px;
    font-weight: 700;
    color: #4F46E5;
    margin-bottom: 12px;
}

.feature-item p {
    color: #4b5563;
    font-size: 16px;
}

/* Practice Sheets */
.practice-sheets {
    padding: 80px 0;
    background-color: #FAF7F0;
    text-align: center;
}

.sheets-preview {
    display: flex;
    justify-content: center;
    margin-top: 32px;
}

.sheet-placeholder {
    background-color: #ffffff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Membership Section */
.membership {
    padding: 80px 0;
    background-color: #ffffff;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.benefit-card {
    background-color: #4F46E5;
    color: #ffffff;
    padding: 32px;
    border-radius: 12px;
    text-align: center;
}

.benefit-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.benefit-card p {
    font-size: 16px;
    opacity: 0.9;
}

/* Products Section */
.products {
    padding: 80px 0;
    background-color: #FAF7F0;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.product-card {
    background-color: #ffffff;
    padding: 32px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    border: 2px solid transparent;
}

.product-card.featured {
    border-color: #DC2626;
    position: relative;
}

.product-card.featured::before {
    content: 'おすすめ';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #DC2626;
    color: #ffffff;
    padding: 4px 16px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 700;
}

.product-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 12px;
}

.product-card p {
    color: #4b5563;
    font-size: 16px;
    margin-bottom: 24px;
}

.product-price {
    font-size: 24px;
    font-weight: 700;
    color: #DC2626;
    margin-bottom: 16px;
    text-align: center;
}

.product-features {
    list-style: none;
    margin-bottom: 32px;
    text-align: left;
}

.product-features li {
    color: #4b5563;
    margin-bottom: 8px;
    position: relative;
    padding-left: 24px;
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #4F46E5;
    font-weight: 700;
}

.cta-button {
    background-color: #4F46E5;
    color: #ffffff;
    border: none;
    padding: 12px 32px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    font-family: 'Noto Sans JP', sans-serif;
}

.cta-button:hover {
    background-color: #4338CA;
}

.premium-button {
    background-color: #DC2626;
}

.premium-button:hover {
    background-color: #B91C1C;
}

.kit-button {
    background-color: #059669;
}

.kit-button:hover {
    background-color: #047857;
}

/* Live Events */
.live-events {
    padding: 80px 0;
    background-color: #ffffff;
    text-align: center;
}

.event-placeholder {
    margin-top: 32px;
    display: flex;
    justify-content: center;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background-color: #FAF7F0;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    max-width: 800px;
    margin: 0 auto;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background-color: #ffffff;
    padding: 32px;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

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

.contact-item h3 {
    font-size: 18px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.contact-item p {
    color: #4b5563;
    font-size: 16px;
}

/* Footer */
.footer {
    background-color: #1a1a1a;
    color: #ffffff;
    padding: 48px 0 24px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 32px;
}

.footer .brand-name {
    color: #FAF7F0;
    font-size: 18px;
}

.footer-nav {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-nav a {
    color: #9ca3af;
    text-decoration: none;
    font-size: 14px;
}

.footer-nav a:hover {
    color: #ffffff;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    color: #9ca3af;
    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: #ffffff;
    margin: 5% auto;
    padding: 40px;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    position: relative;
}

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: #9ca3af;
}

.close:hover {
    color: #1a1a1a;
}

.order-form h2 {
    margin-bottom: 24px;
    color: #1a1a1a;
    font-size: 24px;
    font-weight: 700;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #1a1a1a;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 16px;
    font-family: 'Noto Sans JP', sans-serif;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4F46E5;
}

.submit-button {
    background-color: #4F46E5;
    color: #ffffff;
    border: none;
    padding: 12px 32px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    width: 100%;
    font-family: 'Noto Sans JP', sans-serif;
}

.submit-button:hover {
    background-color: #4338CA;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 36px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .lessons-grid,
    .features-grid,
    .benefits-grid,
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 24px;
    }
    
    .footer-nav {
        justify-content: center;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .logo-brand {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }
    
    .brand-name {
        font-size: 20px;
    }
    
    .hero-image {
        max-width: 100%;
    }
}

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