body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f9f9f9;
}
.container {
    background-color: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.lang-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 14px;
    margin-bottom: 8px;
    font-size: 0.85rem;
}
.lang-nav a {
    color: #007aff;
    text-decoration: none;
}
.lang-nav a[aria-current="page"] {
    color: #000;
    font-weight: 600;
    pointer-events: none;
}
h1 {
    font-size: 1.8rem;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
    margin-top: 10px;
    color: #000;
}
h2 {
    font-size: 1.3rem;
    margin-top: 30px;
    color: #007aff;
    border-left: 4px solid #007aff;
    padding-left: 12px;
}
h3 {
    font-size: 1.1rem;
    margin-top: 20px;
    color: #444;
}
p { margin: 12px 0; }
.date-info {
    color: #888;
    font-size: 0.9rem;
    margin-bottom: 8px;
}
ul { padding-left: 20px; }
li { margin-bottom: 8px; }
code, .email {
    background: #f4f4f4;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 0.9em;
}
.footer {
    margin-top: 50px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    font-size: 0.9rem;
    color: #666;
}
body.terms h1 {
    font-size: 1.5rem;
    margin-top: 30px;
}
body.terms h1.title {
    font-size: 1.8rem;
    margin-top: 10px;
}