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

body {
    font-family: 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Yu Gothic', 'Meiryo', 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;
    position: sticky;
    top: 0;
    z-index: 1000;
    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: 1.5rem;
    font-weight: 700;
}

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

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

.nav-link:hover {
    color: #ffd700;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 3px 0;
    transition: 0.3s;
}

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

.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: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

.cta-button:hover {
    background: #ffed4e;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4);
}

/* Section Titles */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1e3c72;
    font-weight: 700;
}

/* Features Section */
.features {
    padding: 5rem 0;
    background: white;
}

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

.feature-card {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

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

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

/* Market Overview */
.market-overview {
    padding: 5rem 0;
    background: #f8f9fa;
}

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

.market-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.market-card h3 {
    color: #1e3c72;
    margin-bottom: 1rem;
}

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

.change {
    font-weight: 600;
    font-size: 1.1rem;
}

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

.change.negative {
    color: #dc3545;
}

/* Latest News */
.latest-news {
    padding: 5rem 0;
    background: white;
}

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

.news-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    border-left: 4px solid #1e3c72;
}

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

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

.news-card p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.read-more {
    color: #1e3c72;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: #2a5298;
}

/* Footer */
footer {
    background: #1e3c72;
    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: white;
    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 #2a5298;
    color: #ccc;
}

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

.page-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.page-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Disclaimer page styles */
.disclaimer-content {
    padding: 3rem 0;
}

.disclaimer-section {
    margin-bottom: 2rem;
    padding: 2rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.disclaimer-notice {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 10px;
    padding: 2rem;
    margin: 2rem 0;
}

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

.disclaimer-date {
    text-align: center;
    color: #666;
    font-style: italic;
    margin-top: 2rem;
}

/* Market analysis page styles */
.market-summary {
    padding: 3rem 0;
    background: #f8f9fa;
}

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

.summary-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.current-price {
    font-size: 2rem;
    font-weight: 700;
    color: #333;
    margin: 1rem 0;
}

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

.analysis-section {
    margin-bottom: 3rem;
    padding: 2rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.analysis-section h3 {
    color: #1e3c72;
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.sector-performance {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.sector-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
}

.sector-item.positive .sector-change {
    color: #28a745;
}

.sector-item.negative .sector-change {
    color: #dc3545;
}

.stock-movement {
    display: grid;
    gap: 1rem;
}

.stock-item {
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
}

.stock-item h4 {
    color: #1e3c72;
    margin-bottom: 0.5rem;
}

.market-factors,
.future-factors {
    margin: 1rem 0;
    padding-left: 2rem;
}

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

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

.technical-card h3 {
    color: #1e3c72;
    margin-bottom: 1rem;
}

/* Investment strategy page styles */
.strategy-overview {
    padding: 3rem 0;
    background: #f8f9fa;
}

.strategy-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
}

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

.strategy-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

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

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

.risk-content {
    display: grid;
    gap: 2rem;
}

.risk-section {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.risk-section h3 {
    color: #1e3c72;
    margin-bottom: 1rem;
}

.risk-list {
    margin: 1rem 0;
    padding-left: 2rem;
}

.risk-list li {
    margin-bottom: 0.5rem;
}

/* Company research page styles */
.research-methods {
    padding: 3rem 0;
    background: #f8f9fa;
}

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

.method-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

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

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

.company-analysis {
    padding: 3rem 0;
}

.company-card {
    background: white;
    margin-bottom: 2rem;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

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

.company-info {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
}

.company-details p {
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.company-analysis-content h4 {
    color: #1e3c72;
    margin: 1rem 0 0.5rem 0;
}

.company-analysis-content ul {
    margin: 1rem 0;
    padding-left: 2rem;
}

.financial-metrics {
    padding: 3rem 0;
    background: #f8f9fa;
}

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

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

.metric-card h3 {
    color: #1e3c72;
    margin-bottom: 1rem;
}

.research-tips {
    padding: 3rem 0;
}

.tips-content {
    display: grid;
    gap: 2rem;
}

.tip-item {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.tip-item h3 {
    color: #1e3c72;
    margin-bottom: 1rem;
}

/* News page styles */
.latest-news {
    padding: 3rem 0;
}

.news-article {
    background: white;
    margin-bottom: 2rem;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.news-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

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

.news-category {
    background: #1e3c72;
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
}

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

.news-article p {
    line-height: 1.8;
    margin-bottom: 1rem;
}

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

.category-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.category-card h3 {
    color: #1e3c72;
    margin-bottom: 1rem;
}

/* Privacy policy and terms pages */
.privacy-content,
.terms-content {
    padding: 3rem 0;
}

.privacy-section,
.terms-section {
    margin-bottom: 2rem;
    padding: 2rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.privacy-section ul,
.terms-section ul {
    margin: 1rem 0;
    padding-left: 2rem;
}

.privacy-section li,
.terms-section li {
    margin-bottom: 0.5rem;
}

.privacy-date,
.terms-date {
    text-align: center;
    color: #666;
    font-style: italic;
    margin-top: 2rem;
}

/* Disclaimer reminder box */
.disclaimer-reminder {
    padding: 3rem 0;
    background: #f8f9fa;
}

.reminder-box {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
}

.reminder-box h3 {
    color: #856404;
    margin-bottom: 1rem;
}

.reminder-box a {
    color: #1e3c72;
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: #1e3c72;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid,
    .market-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 2rem 0;
    }
    
    .hero-content h2 {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
}