:root {
    --primary-color: #4f46e5;
    --text-main: #1f2937;
    --text-muted: #4b5563;
    --bg-body: #f8fafc;
    --bg-card: #ffffff;
    --border-color: #e5e7eb;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 800px;
    margin: 40px auto;
    padding: 0 20px;
}

.legal-card {
    background: var(--bg-card);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--border-color);
}

h1 {
    font-size: 2rem;
    font-weight: 800;
    color: #111827;
    margin-bottom: 8px;
    text-align: center;
}

.update-date {
    display: block;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 40px;
}

h2 {
    font-size: 1.5rem;
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
    margin-top: 40px;
    margin-bottom: 20px;
    color: #111827;
}

h3 {
    font-size: 1.125rem;
    margin-top: 24px;
    color: #374151;
}

p, ul {
    margin-bottom: 16px;
    color: var(--text-muted);
}

ul {
    padding-left: 20px;
}

li {
    margin-bottom: 8px;
}

.highlight {
    color: var(--primary-color);
    font-weight: 600;
}

.back-link {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    margin-bottom: 20px;
    transition: opacity 0.2s;
}

.back-link:hover {
    opacity: 0.8;
}

.notice-box {
    background-color: #eff6ff;
    border-left: 4px solid var(--primary-color);
    padding: 16px;
    margin: 20px 0;
    font-size: 0.95rem;
    color: #1e40af;
}

@media (max-width: 640px) {
    .legal-card {
        padding: 24px;
    }
    h1 {
        font-size: 1.5rem;
    }
}