body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

header {
    background-color: rgba(54, 106, 152, 0.8); /* ホームページと統一 */
    color: white;
    text-align: center;
    padding: 20px;
}

main {
    max-width: 800px;
    margin: 20px auto;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

section {
    margin-bottom: 20px;
    text-align: left;
}

h2 {
    border-bottom: 2px solid #1b2a55;
    padding-bottom: 5px;
}

footer {
    text-align: center;
    padding: 10px;
    background-color: #1b2a55;
    color: white;
    position: relative;
    margin-top: 20px;
}

footer a {
    color: white;
    text-decoration: none;
}