@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho&display=swap');

body {
    margin: 0;
    font-family: 'Shippori Mincho', serif;
    background: radial-gradient(#000015, #000000);
    color: #e0e8ff;
}

/* ヘッダー */
.site-header {
    background: #0a0a20;
    border-bottom: 1px solid #444;
    padding: 0.5em 0;
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1em;
}

.logo-mark {
    height: 36px;
}

.nav-links a {
    color: #e0e8ff;
    text-decoration: none;
    margin-left: 20px;
    font-weight: bold;
    font-size: 0.95em;
}

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

/* フッター */
.site-footer {
    background: #0a0a20;
    padding: 1.5em 2em; /* 上下左右に余白 */
    text-align: center;
    font-size: 0.9em;
    color: #ccc;
}

.footer-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1em; /* 各要素の間隔 */
}

.footer-logo img {
    height: 28px;
}

.footer-copy {
    font-size: 0.8em;
    color: #aaa;
    flex: 1;
    text-align: center;
    min-width: 150px;
}

.footer-links {
    display: flex;
    gap: 1.2em;
    font-size: 0.85em;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.footer-links a {
    color: #aaa;
    text-decoration: none;
}

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

@media (max-width: 768px) {
    .footer-flex {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
        flex-wrap: wrap;
    }

    .footer-copy {
        order: 2;
    }

    .footer-logo {
        order: 1;
    }
}