* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

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

/* Header */
.header {
    background: var(--bg-white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 4px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: all 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 20px;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

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

.hero-image img {
    width: 350px;
    height: 350px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid white;
    box-shadow: var(--shadow-lg);
    display: block;
    margin: 0 auto;
}

.hero-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.subtitle {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    opacity: 0.95;
    line-height: 1.8;
}

.risk-notice {
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 2rem;
    font-size: 0.9rem;
    line-height: 1.6;
}

.risk-notice p {
    margin: 0;
    color: white;
}

.risk-notice strong {
    color: #ffeb3b;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--accent-color);
    color: white;
}

.btn-primary:hover {
    background: #d97706;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
}

/* Section */
section {
    padding: 80px 20px;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
    font-weight: 700;
}

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

.about-content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.about-text {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.about-text h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.disclaimer-box {
    background: #fff3cd;
    border: 2px solid #ffc107;
    border-radius: 8px;
    padding: 1.5rem;
    margin-top: 2rem;
    text-align: left;
}

.disclaimer-box h4 {
    color: #856404;
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.disclaimer-box p {
    color: #856404;
    font-size: 0.95rem;
    line-height: 1.7;
    margin: 0;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

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

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    border-top: 4px solid var(--primary-color);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.service-card ul {
    list-style: none;
    padding-left: 0;
}

.service-card ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.service-card ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.service-note {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-light);
    font-style: italic;
}

/* Membership Section */
.membership {
    background: var(--bg-light);
}

.membership-plans {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.plan-card {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
}

.plan-card.featured {
    border: 3px solid var(--primary-color);
    transform: scale(1.05);
}

.plan-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-color);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.plan-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.plan-card.featured:hover {
    transform: translateY(-5px) scale(1.07);
}

.plan-card h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.plan-price {
    margin-bottom: 2rem;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.period {
    font-size: 1rem;
    color: var(--text-light);
}

.plan-features {
    list-style: none;
    text-align: left;
    margin-bottom: 2rem;
}

.plan-features li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
    border-bottom: 1px solid var(--border-color);
}

.plan-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.plan-features li:last-child {
    border-bottom: none;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.contact-info p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 8px;
}

.contact-item strong {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

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

.contact-item a:hover {
    text-decoration: underline;
}

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

.line-card {
    background: white;
    padding: 3rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    max-width: 500px;
    width: 100%;
    transition: transform 0.3s, box-shadow 0.3s;
}

.line-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.line-icon {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.line-card h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.line-card p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.btn-line {
    background: #06C755;
    color: white;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s;
    box-shadow: 0 4px 6px -1px rgba(6, 199, 85, 0.3);
}

.btn-line:hover {
    background: #05B04A;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px -2px rgba(6, 199, 85, 0.4);
}

.btn-line svg {
    display: inline-block;
    vertical-align: middle;
}

.line-note {
    margin-top: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-light);
    font-style: italic;
}

.contact-email {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-light);
}

.line-button-container {
    margin: 1.5rem 0;
    text-align: center;
}

.line-button-img {
    display: inline-block;
    text-decoration: none;
    transition: transform 0.3s;
}

.line-button-img:hover {
    transform: scale(1.05);
}

.line-add-button {
    height: 54px;
    width: auto;
    display: block;
    margin: 0 auto;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 20px 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

.footer-links {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: white;
    text-decoration: underline;
}

.footer-links span {
    color: rgba(255, 255, 255, 0.5);
}

/* 弹框样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    background-color: white;
    margin: auto;
    padding: 0;
    border-radius: 12px;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideDown 0.3s;
}

@keyframes slideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    padding: 1.5rem 2rem;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background: white;
    z-index: 1;
    border-radius: 12px 12px 0 0;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.75rem;
    color: var(--text-dark);
    font-weight: 700;
}

.modal-close {
    color: var(--text-light);
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
    transition: color 0.3s;
}

.modal-close:hover {
    color: var(--text-dark);
}

.modal-body {
    padding: 2rem;
}

.modal-body h3 {
    font-size: 1.25rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
    font-weight: 600;
}

.modal-body h3:first-child {
    margin-top: 0;
}

.modal-body p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.modal-footer {
    padding: 1.5rem 2rem;
    border-top: 2px solid var(--border-color);
    text-align: center;
    background: var(--bg-light);
    border-radius: 0 0 12px 12px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-image img {
        width: 280px;
        height: 280px;
    }

    .hero-text h2 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1.1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .contact-content {
        grid-template-columns: 1fr;
    }

    .line-card {
        padding: 2rem;
    }

    .line-card h3 {
        font-size: 1.5rem;
    }

    .btn-line {
        padding: 12px 24px;
        font-size: 1rem;
    }
}