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

body {
    font-family: 'Noto Serif JP', 'Yu Mincho', 'YuMincho', 'Hiragino Mincho Pro', 'MS PMincho', serif;
    line-height: 1.6;
    color: #2C5282;
    background-color: #F7FAFC;
}

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

/* Header */
.header {
    background-color: #FFFFFF;
    padding: 20px 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo svg {
    display: block;
}

.brand-name h1 {
    font-size: 2.5rem;
    color: #2C5282;
    font-weight: 700;
    line-height: 1.2;
}

.brand-name h1 a {
    color: #2C5282;
    text-decoration: none;
}

.brand-name h1 a:hover {
    text-decoration: underline;
}

.brand-name p {
    font-size: 1rem;
    color: #718096;
    margin-top: 4px;
}

/* Main Content */
.main-content {
    padding: 80px 0;
    background-color: #FFFFFF;
    min-height: 60vh;
}

.main-content h1 {
    font-size: 3rem;
    color: #2C5282;
    text-align: center;
    margin-bottom: 60px;
}

.content-block {
    margin-bottom: 60px;
}

.content-block h2 {
    font-size: 2rem;
    color: #2C5282;
    margin-bottom: 20px;
    border-bottom: 2px solid #E2E8F0;
    padding-bottom: 10px;
}

.content-block p {
    font-size: 1.1rem;
    color: #4A5568;
    margin-bottom: 20px;
    line-height: 1.8;
}

.content-placeholder {
    background-color: #F7FAFC;
    border: 2px dashed #CBD5E0;
    border-radius: 8px;
    padding: 40px;
    text-align: center;
    margin-top: 40px;
}

.content-placeholder p {
    color: #718096;
    font-size: 1.1rem;
    margin: 0;
}

/* About Page Images */
.about-image {
    width: 100%;
    max-width: 600px;
    height: 350px;
    margin: 40px auto;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
}

/* Footer */
.footer {
    background-color: #2C5282;
    color: #FFFFFF;
    padding: 60px 0 20px;
}

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

.footer-logo h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.footer-logo p {
    color: #CBD5E0;
    font-size: 1rem;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-links a {
    color: #CBD5E0;
    text-decoration: none;
    font-size: 1rem;
}

.footer-links a:hover {
    color: #FFFFFF;
}

.footer-bottom {
    border-top: 1px solid #4A5568;
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    color: #CBD5E0;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .logo-section {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .brand-name h1 {
        font-size: 2rem;
    }
    
    .main-content h1 {
        font-size: 2.5rem;
    }
    
    .content-block h2 {
        font-size: 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .main-content h1 {
        font-size: 2rem;
    }
    
    .content-block h2 {
        font-size: 1.3rem;
    }
    
    .content-block p {
        font-size: 1rem;
    }
}