* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', system-ui, sans-serif;
    line-height: 1.7;
    color: #1d1d1f;
    background: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.header {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    padding: 3rem 2rem;
    text-align: center;
    color: #ffffff;
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.header p {
    font-size: 1rem;
    opacity: 0.9;
}

.back-link {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    text-decoration: none;
    color: #1d1d1f;
    font-weight: 500;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.back-link:hover {
    background: rgba(255, 255, 255, 1);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.content {
    background: #ffffff;
    border-radius: 18px;
    padding: 3rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.last-updated {
    color: #86868b;
    font-size: 0.875rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

h2 {
    font-size: 1.75rem;
    font-weight: 600;
    color: #1d1d1f;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

h2:first-of-type {
    margin-top: 0;
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1d1d1f;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

p {
    font-size: 1rem;
    color: #1d1d1f;
    margin-bottom: 1rem;
    line-height: 1.7;
}

ul,
ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

li {
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

strong {
    font-weight: 600;
    color: #1d1d1f;
}

.highlight-box {
    background: #f5f5f7;
    border-left: 4px solid #2c3e50;
    padding: 1.25rem;
    margin: 1.5rem 0;
    border-radius: 8px;
}

.privacy-summary {
    background: linear-gradient(135deg, #2c3e5015 0%, #34495e15 100%);
    border: 2px solid #2c3e50;
    padding: 2rem;
    border-radius: 12px;
    margin: 2rem 0;
}

.privacy-summary h3 {
    margin-top: 0;
    color: #1d1d1f;
}

.check-list {
    list-style: none;
    margin-left: 0;
}

.check-list li:before {
    content: "✅ ";
    margin-right: 0.5rem;
}

.contact-info {
    background: #f5f5f7;
    padding: 1.5rem;
    border-radius: 12px;
    margin-top: 2rem;
}

.contact-info p {
    margin-bottom: 0.5rem;
}

.product-links {
    background: #f5f5f7;
    padding: 1.5rem;
    border-radius: 12px;
    margin: 1.5rem 0;
}

.product-links a {
    color: #2c3e50;
    text-decoration: none;
    font-weight: 500;
    margin-right: 1rem;
}

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

.footer {
    background: #f5f5f7;
    padding: 2rem;
    text-align: center;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    margin-top: 4rem;
}

.footer-link {
    color: #1d1d1f;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s ease;
}

.footer-link:hover {
    opacity: 0.7;
}

@media (max-width: 768px) {
    .header h1 {
        font-size: 2rem;
    }

    .container {
        padding: 2rem 1rem;
    }

    .content {
        padding: 2rem 1.5rem;
    }

    .back-link {
        top: 10px;
        left: 10px;
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }

    h2 {
        font-size: 1.5rem;
    }
}