:root {
    --bg: #ffffff;
    --text: #17191f;
    --muted: #5d6472;
    --line: rgba(23, 25, 31, 0.12);
}

body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Zen Kaku Gothic New", sans-serif;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    border-bottom: 1px solid var(--line);
    background: var(--bg);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.logo {
    display: inline-block;
    width: 174px;
    height: 32px;
    background: url("/static/images/logo.png") center / contain no-repeat;
    color: transparent;
    white-space: nowrap;
    overflow: hidden;
    text-indent: 100%;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.logo:hover {
    opacity: 0.7;
}

.site-nav {
    display: flex;
    gap: 24px;
    align-items: center;
}

.site-nav a {
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    transition: color 0.2s ease;
}

.site-nav a:hover {
    color: var(--muted);
}

.privacy-main {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 24px;
}

.privacy-hero {
    text-align: center;
    margin-bottom: 60px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--line);
}

.privacy-hero h1 {
    margin: 0 0 12px;
    font-size: 40px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.last-updated {
    margin: 0;
    font-size: 13px;
    color: var(--muted);
    font-family: "Outfit", sans-serif;
}

.privacy-content {
    line-height: 1.8;
}

.privacy-section {
    margin-bottom: 40px;
}

.privacy-section h2 {
    margin-top: 0;
    margin-bottom: 16px;
    font-size: 20px;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.privacy-section p {
    margin: 12px 0;
    font-size: 15px;
    line-height: 1.7;
    color: var(--text);
}

.privacy-section ul {
    margin: 16px 0;
    padding-left: 24px;
}

.privacy-section li {
    margin: 8px 0;
    font-size: 15px;
    line-height: 1.6;
    color: var(--text);
}

.privacy-section strong {
    font-weight: 600;
    color: var(--text);
}

.contact-info {
    margin-top: 20px;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
    border-left: 4px solid #007acc;
}

.contact-info p {
    margin: 8px 0;
    font-size: 15px;
    line-height: 1.6;
}

.contact-info a {
    color: #007acc;
    text-decoration: none;
}

.contact-info a:hover {
    text-decoration: underline;
}

.privacy-footer-info {
    margin-top: 60px;
    padding: 24px;
    background: #f9f9f9;
    border-radius: 8px;
    border-left: 4px solid #ffc800;
    text-align: center;
}

.privacy-note {
    margin: 0;
    font-size: 13px;
    color: var(--muted);
    font-family: "Outfit", sans-serif;
}

.site-footer {
    margin-top: 60px;
    padding: 32px 24px;
    border-top: 1px solid var(--line);
    background: #f9f9f9;
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.footer-content p {
    margin: 0 0 16px;
    font-size: 13px;
    color: var(--muted);
    font-family: "Outfit", sans-serif;
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: 24px;
}

.footer-nav a {
    font-size: 13px;
    color: var(--text);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-nav a:hover {
    color: var(--muted);
}

@media (max-width: 640px) {
    .site-header {
        flex-direction: column;
        gap: 12px;
        padding: 12px 16px;
    }

    .site-nav {
        width: 100%;
        flex-direction: column;
        gap: 8px;
        font-size: 13px;
    }

    .privacy-main {
        padding: 24px 16px;
    }

    .privacy-hero {
        margin-bottom: 40px;
        padding-bottom: 24px;
    }

    .privacy-hero h1 {
        font-size: 28px;
    }

    .privacy-section h2 {
        font-size: 18px;
    }

    .privacy-section p,
    .privacy-section li {
        font-size: 14px;
    }

    .footer-nav {
        flex-direction: column;
        gap: 8px;
    }
}