:root {
    color-scheme: light;
    --bg: #f7efe1;
    --panel: #fffaf0;
    --text: #342313;
    --muted: #75634d;
    --line: rgba(82, 52, 22, .16);
    --accent: #8f6020;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    color: var(--text);
    background: radial-gradient(ellipse at top right, #f3dfab 0, transparent 48%), var(--bg);
    font-family: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", Georgia, serif;
    line-height: 1.85;
    overflow-wrap: anywhere;
}
a { color: var(--accent); text-underline-offset: .24em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, select:focus-visible, [tabindex]:focus-visible {
    outline: 3px solid #b97b22;
    outline-offset: 5px;
}
[hidden] { display: none !important; }
.enhanced .bilingual-divider { display: none; }
.shell { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 26px 0; }
.brand { color: var(--text); font: 600 1.12rem Georgia, serif; letter-spacing: .08em; text-decoration: none; }
.language-link { border: 1px solid var(--line); border-radius: 999px; padding: 6px 16px; text-decoration: none; background: #fff8; }
.intro { padding: 28px 0 40px; }
.eyebrow { margin: 0 0 10px; color: var(--muted); font: .73rem ui-monospace, monospace; letter-spacing: .22em; text-transform: uppercase; }
h1 { margin: 0 0 18px; font-size: clamp(2rem, 5vw, 3.6rem); line-height: 1.3; font-weight: 500; }
.intro p:last-child { margin: 0; color: var(--muted); }
.layout { display: grid; grid-template-columns: 260px minmax(0, 1fr); align-items: start; gap: 30px; padding-bottom: 64px; }
.sidebar { position: sticky; top: 24px; padding: 22px 0; }
.nav-label { margin: 0 0 16px; font-size: .88rem; color: var(--muted); }
.app-nav { display: grid; gap: 8px; }
.app-nav a { display: flex; align-items: center; gap: 12px; padding: 12px; border: 1px solid transparent; border-radius: 14px; text-decoration: none; color: var(--text); font-size: .88rem; line-height: 1.6; }
.app-nav a:hover { background: #fff8; }
.app-nav a[aria-current="true"] { background: var(--panel); border-color: #d5b777; box-shadow: 0 8px 22px #6843150a; }
.app-nav img { width: 36px; height: 36px; border-radius: 9px; object-fit: contain; flex-shrink: 0; }
.sidebar-back { display: inline-block; margin: 24px 12px 0; font-size: .85rem; }
.mobile-selector { display: none; }
.policy-panel { min-width: 0; padding: clamp(24px, 4vw, 44px); background: var(--panel); border: 1px solid var(--line); border-radius: 24px; box-shadow: 0 20px 60px #6843150a; scroll-margin-top: 24px; }
.policy-panel + .policy-panel { margin-top: 28px; }
.policy-header { display: flex; align-items: center; gap: 18px; padding-bottom: 26px; border-bottom: 1px solid var(--line); margin-bottom: 28px; }
.policy-header img { width: 64px; height: 64px; border-radius: 16px; object-fit: contain; flex-shrink: 0; }
.policy-header h2 { margin: 0; font-size: clamp(1.4rem, 3vw, 1.9rem); font-weight: 500; line-height: 1.5; }
.policy-title { margin: 0 0 12px; font-size: 1.2rem; font-weight: 600; }
.policy-body { font-size: .96rem; }
.policy-body h3, .policy-body h4 { line-height: 1.6; margin: 28px 0 10px; font-size: 1.14rem; }
.policy-body h3 { color: var(--accent); }
.policy-body p { margin: 12px 0; }
.policy-body ul { padding-left: 1.4rem; }
.policy-body li { margin: 5px 0; }
.policy-body hr { margin: 32px 0; border: 0; border-top: 1px solid var(--line); }
.table-wrap { overflow-x: auto; margin: 18px 0; }
table { border-collapse: collapse; width: 100%; font-size: .88rem; }
th, td { text-align: left; vertical-align: top; padding: 12px; border: 1px solid var(--line); }
th { background: #f3e8ce; }
.source-note { margin: 28px 0 0; padding-top: 18px; border-top: 1px solid var(--line); font-size: .8rem; color: var(--muted); }
.policy-footer { margin-top: 32px; }
.contact-link { display: inline-block; padding: 10px 20px; border: 1px solid #c59f58; border-radius: 999px; text-decoration: none; }
.footer { padding: 24px 0 36px; border-top: 1px solid var(--line); color: var(--muted); font-size: .85rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
@media (max-width: 760px) {
    .layout { grid-template-columns: minmax(0, 1fr); gap: 18px; }
    .intro { padding: 12px 0 24px; }
    .sidebar { position: static; padding: 0; }
    .enhanced .app-nav, .enhanced .sidebar .nav-label { display: none; }
    .enhanced .mobile-selector { display: grid; gap: 8px; }
    .mobile-selector label { color: var(--muted); font-size: .85rem; }
    select { width: 100%; padding: 14px 12px; border: 1px solid #cbb58b; border-radius: 12px; background: var(--panel); color: var(--text); font: inherit; font-size: 1rem; }
    .sidebar-back { margin: 16px 0 0; }
    .policy-header { gap: 12px; }
    .policy-header img { width: 48px; height: 48px; }
}
@media print {
    body { background: white; }
    .topbar, .intro, .sidebar, .policy-footer, .footer { display: none; }
    .shell { width: 100%; }
    .layout { display: block; padding: 0; }
    .policy-panel { border: 0; box-shadow: none; padding: 0; }
}