:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --text-color: #1f2937;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
}
body {
    font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--bg-color);
    margin: 0;
    padding: 0;
}
header {
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
    color: white;
    text-align: center;
    padding: 5rem 1rem;
}
header h1 {
    margin: 0;
    font-size: 2.5rem;
    font-weight: 700;
}
header p {
    font-size: 1.2rem;
    margin: 1rem 0 2rem 0;
    opacity: 0.9;
}
.cta-button {
    display: inline-block;
    background-color: #f59e0b;
    color: #1e3a8a;
    font-weight: bold;
    padding: 1rem 2.5rem;
    border-radius: 9999px;
    text-decoration: none;
    font-size: 1.2rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}
.cta-button:hover {
    background-color: #d97706;
    transform: translateY(-2px);
}
.cta-container {
    text-align: center;
    margin: 3rem 0 1rem 0;
}
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem 1rem;
}
section {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
}
h2 {
    color: #1e3a8a;
    border-left: 5px solid var(--primary-color);
    padding-left: 10px;
    margin-top: 0;
    font-size: 1.6rem;
}
h3 {
    color: #2563eb;
    font-size: 1.2rem;
}
footer {
    background-color: #1e293b;
    color: #94a3b8;
    text-align: center;
    padding: 3rem 1rem;
    font-size: 0.9rem;
}
footer a {
    color: #cbd5e1;
    text-decoration: underline;
}
footer a:hover {
    color: white;
}
.footer-links {
    margin-bottom: 1.5rem;
}