/* ベーススタイル */
body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    background-color: #f9fdf9;
    color: #333;
    margin: 0;
    padding: 0;
    line-height: 1.8;
}

header {
    background-color: #2e7d32;
    color: #fff;
    padding: 1.5rem 2rem;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 2rem;
}

main {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
}

h2 {
    color: #2e7d32;
    margin-top: 2rem;
    border-bottom: 2px solid #2e7d32;
    padding-bottom: 0.3rem;
}

ul {
    padding-left: 1.2rem;
}

ul li {
    margin-bottom: 0.5rem;
}

a {
    color: #2e7d32;
    text-decoration: none;
    font-weight: bold;
}

a:hover {
    text-decoration: underline;
}

footer {
    text-align: center;
    font-size: 0.9rem;
    color: #666;
    margin: 3rem 0 1rem;
}