/* 基本レイアウト・フォントなど */
body {
    font-family: sans-serif;
    margin: 0;
    padding: 0;
    background: #f4f4f4;
    color: #333;
}

.container {
    max-width: 960px;
    margin: 20px auto;
    padding: 0 15px;
    background: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

h1 {
    text-align: center;
    padding: 20px;
    margin: 0;
    border-bottom: 1px solid #ccc;
}

@media (max-width: 600px) {
    h1 {
        font-size: 20px;
    }
}

.container {
    max-width: 800px;
    margin: auto;
    padding: 20px;
}

h1,
h2 {
    margin-top: 1.5em;
    font-weight: bold;
}

ul {
    padding-left: 1.5em;
    list-style-type: disc;
}

a {
    color: #007bff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.site-footer {
    margin-top: 40px;
    padding: 20px;
    background-color: #f4f4f4;
    text-align: center;
    font-size: 14px;
    color: #333;
}

.footer-nav a {
    margin: 0 10px;
    color: #007bff;
    text-decoration: none;
}

.footer-nav a:hover {
    text-decoration: underline;
}