/* Styles for /terms, moved out of the page's <style> block
   because the site's Content-Security-Policy allows only
   stylesheets served from here. Otherwise unchanged from
   hosting/public/tos/index.html. */

:root {
    color-scheme: light;
    --background: #f4f7fb;
    --surface: #ffffff;
    --text: #172033;
    --muted: #5f6b7d;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-soft: #eaf1ff;
    --border: #dce4ef;
    --notice: #f8fafc;
    --shadow: 0 18px 48px rgba(30, 64, 175, 0.10);
    --radius: 18px;
    --content-width: 780px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 24px;
}

body {
    margin: 0;
    background: var(--background);
    color: var(--text);
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.75;
    text-rendering: optimizeLegibility;
}

a {
    color: var(--primary);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

a:hover {
    color: var(--primary-dark);
}

.skip-link {
    position: absolute;
    left: 16px;
    top: -60px;
    z-index: 1000;
    padding: 10px 14px;
    border-radius: 8px;
    background: var(--text);
    color: white;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 16px;
}

.site-header {
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
}

.header-inner {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    min-height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.brand {
    color: var(--text);
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    text-decoration: none;
}

.header-label {
    color: var(--muted);
    font-size: 0.9rem;
}

.page-shell {
    width: min(1180px, calc(100% - 32px));
    margin: 42px auto 72px;
    display: grid;
    grid-template-columns: 280px minmax(0, var(--content-width));
    justify-content: center;
    align-items: start;
    gap: 36px;
}

.toc {
    position: sticky;
    top: 24px;
    max-height: calc(100vh - 48px);
    overflow: auto;
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--surface);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.05);
}

.toc h2 {
    margin: 0 0 12px;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.toc ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

.toc li+li {
    margin-top: 4px;
}

.toc a {
    display: block;
    padding: 5px 8px;
    border-radius: 7px;
    color: var(--muted);
    font-size: 0.82rem;
    line-height: 1.35;
    text-decoration: none;
}

.toc a:hover,
.toc a:focus {
    background: var(--primary-soft);
    color: var(--primary-dark);
}

main {
    min-width: 0;
    padding: clamp(26px, 5vw, 58px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
}

h1 {
    margin: 0;
    max-width: 720px;
    font-size: clamp(2rem, 5vw, 3.25rem);
    line-height: 1.12;
    letter-spacing: -0.045em;
}

.effective-date {
    display: inline-block;
    margin: 20px 0 30px;
    padding: 7px 12px;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary-dark);
    font-size: 0.9rem;
    font-weight: 700;
}

.notice {
    padding: 16px 18px;
    border-left: 4px solid var(--primary);
    border-radius: 0 10px 10px 0;
    background: var(--notice);
    font-weight: 650;
}

section {
    padding-top: 28px;
}

section+section {
    margin-top: 16px;
    border-top: 1px solid var(--border);
}

h2 {
    margin: 0 0 14px;
    color: #0f172a;
    font-size: clamp(1.25rem, 3vw, 1.55rem);
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.heading-link {
    margin-left: 8px;
    color: transparent;
    font-weight: 500;
    text-decoration: none;
}

h2:hover .heading-link,
.heading-link:focus {
    color: var(--primary);
}

p {
    margin: 0 0 16px;
}

ul,
ol {
    margin: 8px 0 20px;
    padding-left: 1.4rem;
}

li {
    padding-left: 0.25rem;
}

li+li {
    margin-top: 6px;
}

strong {
    color: #0f172a;
}

.back-to-top {
    display: inline-flex;
    margin-top: 34px;
    padding: 9px 13px;
    border: 1px solid var(--border);
    border-radius: 9px;
    background: #fff;
    text-decoration: none;
    font-weight: 650;
}

.site-footer {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto 36px;
    color: var(--muted);
    font-size: 0.86rem;
    text-align: center;
}

@media (max-width: 900px) {
    .page-shell {
        grid-template-columns: minmax(0, 780px);
        margin-top: 24px;
    }

    .toc {
        position: static;
        max-height: 280px;
    }
}

@media (max-width: 600px) {
    body {
        font-size: 15px;
    }

    .header-inner,
    .page-shell,
    .site-footer {
        width: min(100% - 20px, 780px);
    }

    .header-label {
        display: none;
    }

    .page-shell {
        gap: 16px;
        margin-bottom: 28px;
    }

    main {
        padding: 24px 20px;
        border-radius: 14px;
    }

    .toc {
        padding: 16px;
    }
}

@media print {
    body {
        background: white;
        color: black;
        font-size: 11pt;
    }

    .site-header,
    .toc,
    .site-footer,
    .back-to-top,
    .heading-link {
        display: none !important;
    }

    .page-shell {
        display: block;
        width: auto;
        margin: 0;
    }

    main {
        max-width: none;
        padding: 0;
        border: 0;
        box-shadow: none;
    }

    section {
        break-inside: avoid;
    }

    h2 {
        break-after: avoid;
    }

    a {
        color: black;
        text-decoration: none;
    }
}
