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

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* Navigation */
.navbar {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.nav-logo h1 {
    color: white;
    font-size: 1.8rem;
    font-weight: 700;
}

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

.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #ffd700;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

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

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background: #ffd700;
    color: #333;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: transform 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
}

/* Features Section */
.features {
    padding: 4rem 0;
    background: white;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
}

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

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

.feature-card h3 {
    color: #1e3c72;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

/* Market Overview */
.market-overview {
    padding: 4rem 0;
    background: #f8f9fa;
}

.market-overview h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
}

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

.market-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
}

.market-card h3 {
    color: #666;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.price {
    font-size: 2rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 0.5rem;
}

.change.positive {
    color: #28a745;
    font-weight: 600;
}

.change.negative {
    color: #dc3545;
    font-weight: 600;
}

/* Footer */
footer {
    background: #2c3e50;
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #ffd700;
}

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

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

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #ffd700;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
    color: #bdc3c7;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

/* Market Data */
.market-data {
    padding: 4rem 0;
    background: white;
}

.market-data h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #333;
}

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

.market-item {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
}

.current-price {
    font-size: 2rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 0.5rem;
}

.time {
    color: #666;
    font-size: 0.9rem;
}

/* Sector Performance */
.sector-performance {
    padding: 4rem 0;
    background: #f8f9fa;
}

.sector-performance h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #333;
}

.sector-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.sector-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.performance {
    font-size: 1.5rem;
    font-weight: 700;
}

.performance.positive {
    color: #28a745;
}

.performance.negative {
    color: #dc3545;
}

/* Stock Analysis */
.stock-analysis {
    padding: 4rem 0;
    background: white;
}

.stock-analysis h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #333;
}

.analysis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.analysis-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.analysis-content {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #ddd;
}

.analysis-content h4 {
    color: #1e3c72;
    margin-bottom: 0.5rem;
}

/* Strategy Content */
.strategy-content {
    padding: 4rem 0;
    background: white;
}

.strategy-section {
    margin-bottom: 4rem;
}

.strategy-section h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #333;
}

.strategy-grid,
.style-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.strategy-card,
.style-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.strategy-card h3,
.style-card h3 {
    color: #1e3c72;
    margin-bottom: 1rem;
}

/* News Content */
.news-content {
    padding: 4rem 0;
    background: white;
}

.news-article {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #eee;
}

.news-article h2 {
    color: #1e3c72;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.news-meta {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* About Content */
.about-content {
    padding: 4rem 0;
    background: white;
}

.about-section {
    margin-bottom: 3rem;
}

.about-section h2 {
    color: #1e3c72;
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.company-info {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.company-info th,
.company-info td {
    padding: 1rem;
    border-bottom: 1px solid #eee;
    text-align: left;
}

.company-info th {
    background: #f8f9fa;
    font-weight: 600;
    width: 30%;
}

/* Disclaimer Content */
.disclaimer-content {
    padding: 4rem 0;
    background: white;
}

.disclaimer-section {
    margin-bottom: 2rem;
}

.disclaimer-section h2 {
    color: #1e3c72;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.disclaimer-notice {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    padding: 2rem;
    border-radius: 10px;
    margin-top: 3rem;
}

.disclaimer-notice h3 {
    color: #856404;
    margin-bottom: 1rem;
}

/* Privacy Content */
.privacy-content {
    padding: 4rem 0;
    background: white;
}

.privacy-section {
    margin-bottom: 2rem;
}

.privacy-section h2 {
    color: #1e3c72;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

/* Contact Content */
.contact-content {
    padding: 4rem 0;
    background: white;
}

.contact-info {
    margin-bottom: 3rem;
}

.contact-info h2 {
    color: #1e3c72;
    margin-bottom: 1rem;
}

.contact-details p {
    margin-bottom: 0.5rem;
}

.contact-form {
    margin-bottom: 3rem;
}

.contact-form h2 {
    color: #1e3c72;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #333;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

.form-group textarea {
    resize: vertical;
}

.submit-button {
    background: #1e3c72;
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.submit-button:hover {
    background: #2a5298;
}

.faq-section h2 {
    color: #1e3c72;
    margin-bottom: 2rem;
}

.faq-item {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 10px;
}

.faq-item h3 {
    color: #1e3c72;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

/* Latest News Section */
.latest-news {
    padding: 4rem 0;
    background: white;
}

.latest-news h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
}

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

.news-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.news-card h3 {
    color: #1e3c72;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.news-card p {
    margin-bottom: 1rem;
    color: #666;
}

.read-more {
    color: #1e3c72;
    text-decoration: none;
    font-weight: 600;
}

.read-more:hover {
    text-decoration: underline;
}

/* Investment Guide */
.investment-guide {
    padding: 4rem 0;
    background: #f8f9fa;
}

.investment-guide h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
}

.guide-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.guide-text h3 {
    color: #1e3c72;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.guide-text ul {
    margin: 1rem 0;
    padding-left: 2rem;
}

.guide-text li {
    margin-bottom: 0.5rem;
}

.guide-button {
    display: inline-block;
    background: #1e3c72;
    color: white;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    margin-top: 1rem;
    transition: background-color 0.3s ease;
}

.guide-button:hover {
    background: #2a5298;
}

.placeholder-image {
    background: #ddd;
    height: 300px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    font-size: 1.2rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .features-grid,
    .market-cards,
    .market-grid,
    .sector-grid,
    .analysis-grid,
    .strategy-grid,
    .style-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .guide-content {
        grid-template-columns: 1fr;
    }
    
    .company-info th,
    .company-info td {
        display: block;
        width: 100%;
    }
    
    .company-info th {
        background: none;
        font-weight: 700;
        padding-bottom: 0.5rem;
    }
}