/* style.css - ベーシックなWebページ用CSS */

body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #e6dfdf;
    color: #222;
}

header {
    background: #0ecf95;
    color: #fff;
    padding: 1.5rem 0;
    text-align: center;
}

main {
    max-width: 800px;
    margin: 2rem auto;
    padding: 1.5rem;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    border-radius: 8px;
}

h1, h2, h3 {
    margin-top: 0;
    font-weight: 600;
}

a {
    color: #4a90e2;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

footer {
    text-align: center;
    padding: 1rem 0;
    color: #888;
    font-size: 0.95rem;
    background: #f0f0f0;
    margin-top: 2rem;
    border-top: 1px solid #e0e0e0;
}