:root {
  --primary: #1e3a8a;
  --primary-light: #2563eb;
  --primary-bg: #eff6ff;
  --text-main: #0f172a;
  --text-sub: #334155;
  --text-muted: #64748b;
  --bg-main: #f8fafc;
  --bg-card: #fff;
  --accent-light: #f59e0b;
  --border-color: #e2e8f0;
  --control-border: #64748b;
  --purple: #6d28d9;
  --teal: #0f766e;
  --shadow: 0 2px 6px rgba(15,23,42,.06);
  --radius: 18px;
  --header-offset: 104px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-offset); }
body { margin: 0; color: var(--text-main); background: var(--bg-main); font: 16px/1.8 -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif; word-break: keep-all; overflow-wrap: anywhere; }
button, input, select, textarea { font: inherit; }
a { color: var(--primary); text-underline-offset: 4px; }
a, button, input, select, summary { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--primary-light); outline-offset: 4px; }
[hidden] { display: none; }
img, svg { max-width: 100%; vertical-align: middle; }
button, a, section, article, div { min-width: 0; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .6; }
h1, h2, h3 { line-height: 1.4; letter-spacing: -.035em; margin: 0 0 12px; }
h1 { font-size: clamp(28px, 4vw, 38px); font-weight: 800; }
h2 { font-size: clamp(23px, 3vw, 27px); font-weight: 800; }
h3 { font-size: 20px; font-weight: 750; }
p { margin: 0 0 16px; }
p:last-child { margin-bottom: 0; }
ul, ol { padding-left: 24px; }
li + li { margin-top: 8px; }
::selection { color: #fff; background: var(--primary); }
.container { width: min(800px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 200; background: #fff; padding: 12px 20px; border: 2px solid var(--primary); }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 30; border-bottom: 1px solid var(--border-color); background: rgba(255,255,255,.98); }
.header-inner { max-width: 1200px; padding: 16px 24px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; color: var(--primary); text-decoration: none; white-space: nowrap; letter-spacing: -.6px; }
.brand svg { width: 36px; height: 36px; flex: 0 0 36px; }
.brand-caption { font-size: 12px; font-weight: 500; color: var(--text-muted); display: block; line-height: 1.3; letter-spacing: 0; }
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a { padding: 8px 12px; font-size: 14px; font-weight: 700; text-decoration: none; color: var(--text-sub); border-radius: 8px; }
.main-nav a[aria-current=page], .main-nav a.is-active { background: var(--primary-bg); color: var(--primary); }
.main-nav .nav-tool { color: #fff; background: var(--primary); }
.menu-toggle { display: none; min-width: 48px; min-height: 44px; padding: 8px 12px; border: 1px solid var(--border-color); border-radius: 8px; background: #fff; color: var(--primary); font-weight: 700; }
.trust-strip { color: var(--text-sub); font-size: 13px; text-align: center; padding: 10px 20px; border-bottom: 1px solid var(--border-color); background: #f1f5f9; }
.trust-strip strong { color: var(--primary); }
.hero { padding: 56px 0 32px; position: relative; }
.eyebrow { display: flex; align-items: center; gap: 8px; color: var(--primary); font-size: 13px; font-weight: 800; letter-spacing: .06em; margin-bottom: 18px; }
.eyebrow::before { content: ''; display: block; width: 22px; height: 3px; background: var(--accent-light); }
.hero h1 { font-size: clamp(28px,4.8vw,40px); max-width: 650px; }
.hero h1 em { font-style: normal; color: var(--primary-light); }
.hero .lead { color: var(--text-sub); max-width: 640px; margin-top: 20px; }
.hero-footnote { font-size: 14px; color: var(--text-muted); margin-top: 16px; }
.hero-mark { position: absolute; right: 0; top: 44px; color: var(--primary); opacity: .08; width: 130px; height: 130px; pointer-events: none; z-index: -1; }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 0; }
.tag { display: inline-flex; padding: 4px 11px; border: 1px solid #cbd5e1; border-radius: 6px; font-size: 13px; color: var(--text-sub); background: #fff; }
.section-heading { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; align-items: baseline; margin-bottom: 18px; }
.section-heading h2 { margin: 0; }
.section-heading a { font-size: 14px; }
.section-kicker { font-size: 12px; letter-spacing: .1em; color: var(--text-muted); margin-bottom: 4px; font-weight: 700; }
.section { margin-block: 40px; }
.card { padding: 28px; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 20px; }
.card p { color: var(--text-sub); }
.card--calc { border-top: 4px solid var(--primary-light); }
.card--documents { border-top: 4px solid var(--purple); }
.card--housing { border-top: 4px solid var(--teal); }
.card-head { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 20px; }
.card-head h2 { margin-bottom: 6px; font-size: 24px; }
.card-head p { font-size: 14px; margin: 0; }
.icon-box { width: 48px; height: 48px; flex: 0 0 48px; display: grid; place-items: center; border-radius: 12px; color: var(--primary-light); background: var(--primary-bg); }
.icon-box svg { width: 25px; height: 25px; }
.icon-box--documents { background: #f5f3ff; color: var(--purple); }
.icon-box--housing { background: #f0fdfa; color: var(--teal); }
.hub-list, .related-list { display: flex; flex-direction: column; gap: 16px; }
.hub-card, .nexus-card { text-decoration: none; display: flex; gap: 16px; align-items: flex-start; padding: 24px; border: 1px solid var(--border-color); border-radius: 12px; background: #fff; box-shadow: var(--shadow); color: var(--text-main); }
.hub-card h3, .nexus-card h3 { font-size: 20px; margin-bottom: 6px; }
.hub-card p, .nexus-card p { font-size: 15px; color: var(--text-sub); margin: 0; }
.hub-card .arrow, .nexus-card .arrow { margin-left: auto; color: var(--primary); flex-shrink: 0; }
.nexus-card { border-left: 4px solid #93c5fd; background: var(--primary-bg); }
.nexus-card strong { display: block; margin-bottom: 4px; }
.number-tag { font-size: 14px; color: var(--text-muted); display: block; margin-bottom: 4px; }
.field { padding: 18px; border: 1px solid var(--border-color); background: #f8fafc; border-radius: 12px; margin: 16px 0; }
.field label, fieldset legend { font-weight: 700; display: block; margin-bottom: 8px; }
.field small, .field-hint { color: var(--text-sub); display: block; font-size: 14px; margin: 8px 0 0; }
input[type=search], input[type=number], input[type=text], input[type=date], input[type=month], select, textarea { width: 100%; min-height: 52px; padding: 11px 14px; border: 2px solid var(--control-border); color: var(--text-main); background: #fff; border-radius: 8px; font-size: 16px; }
[data-rental-example] fieldset, [data-deadline-planner] fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
[data-rental-example] label, [data-deadline-planner] label, [data-notice-tool] > label { display: block; font-weight: 700; margin: 20px 0 8px; }
[data-rental-example] button[type=submit] { width: 100%; margin-top: 24px; }
#example-result:not(:empty), #deadline-result:not(:empty) { margin-top: 24px; padding: 20px; border: 2px solid var(--primary-light); background: var(--primary-bg); border-radius: 10px; }
#example-result dt { font-weight: 700; margin-top: 12px; }
#example-result dd { margin: 4px 0 0; }
select { padding-right: 32px; }
input[aria-invalid=true], select[aria-invalid=true] { border-color: #991b1b; }
.field-error { color: #991b1b; font-size: 14px; margin: 6px 0 0; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 12px 22px; color: #fff; background: var(--primary); border: 2px solid var(--primary); border-radius: 8px; font-weight: 750; text-decoration: none; line-height: 1.6; text-align: center; }
.button--secondary { color: var(--primary); background: #fff; border-color: #94a3b8; }
.button--light { color: var(--primary); background: var(--primary-bg); border-color: #bfdbfe; }
.button--full { width: 100%; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.form-actions { padding-top: 20px; border-top: 1px solid var(--border-color); margin-top: 24px; }
.form-note { font-size: 14px; color: var(--text-sub); margin-top: 14px; }
.calc-result-card { margin: 24px 0; background: #fff; border: 1px solid #cbd5e1; border-top: 5px solid var(--accent-light); border-radius: 12px; scroll-margin-top: var(--header-offset); }
.result-header { padding: 20px 24px; color: #fff; background: var(--primary); }
.result-header h2 { font-size: 22px; margin-bottom: 4px; }
.result-header p { margin: 0; color: #dbeafe; font-size: 14px; }
.result-body { padding: 24px; }
.result-number { font-size: clamp(30px,5vw,40px); color: var(--primary); font-weight: 800; letter-spacing: -.03em; line-height: 1.4; margin: 8px 0; }
.result-number small { font-size: 16px; font-weight: 600; }
.summary-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border-color); }
.summary-row dt { color: var(--text-sub); }
.summary-row dd { margin: 0; font-weight: 700; }
.geo-summary-box { padding: 22px 24px; border-left: 4px solid var(--primary-light); background: var(--primary-bg); border-radius: 0 12px 12px 0; margin: 24px 0; }
.geo-summary-box h2 { font-size: 19px; color: var(--primary); margin-bottom: 8px; }
.geo-summary-box p { margin: 0; }
.notice-box-info, .notice-box-warning, .notice-box-error, .notice-box-success { padding: 16px 20px; border-radius: 8px; margin: 20px 0; font-size: 15px; }
.notice-box-info { color: var(--primary); background: var(--primary-bg); }
.notice-box-warning { color: #92400e; background: #fffbeb; border: 1px solid #fcd34d; }
.notice-box-error { color: #991b1b; background: #fef2f2; border: 1px solid #fca5a5; }
.notice-box-success { color: #065f46; background: #ecfdf5; }
.notice-label { display: block; font-weight: 800; margin-bottom: 6px; }
.ad-placement { margin: 32px 0; padding: 12px 0; border-block: 1px solid var(--border-color); text-align: center; }
.ad-label { display: block; color: var(--text-muted); font-size: 12px; letter-spacing: .1em; margin-bottom: 10px; }
.adsbygoogle { display: block; }
.breadcrumb { padding: 22px 0 0; font-size: 13px; color: var(--text-muted); }
.breadcrumb ol { display: flex; flex-wrap: wrap; list-style: none; gap: 6px 10px; padding: 0; margin: 0; }
.breadcrumb li + li { margin: 0; }
.breadcrumb li + li::before { content: '/'; margin-right: 10px; color: var(--text-muted); }
.page-header { margin: 28px 0 24px; }
.page-header .answer { font-size: 19px; font-weight: 700; color: var(--primary); margin: 18px 0; }
.page-header .intro { color: var(--text-sub); }
.meta { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 13px; color: var(--text-muted); margin: 16px 0; }
.toc { padding: 24px; border: 1px solid var(--border-color); background: #fff; border-radius: 12px; margin: 24px 0; }
.toc h2 { font-size: 19px; margin-bottom: 12px; }
.toc ol { margin: 0; padding-left: 22px; }
.toc li { margin: 0; }
.toc a { display: block; padding: 10px 4px; min-height: 44px; font-size: 15px; }
.prose-section { scroll-margin-top: var(--header-offset); margin: 32px 0; }
.prose-section p { color: var(--text-sub); }
.table-wrap { width: 100%; overflow-x: auto; margin: 24px 0; border: 1px solid var(--border-color); border-radius: 12px; background: #fff; }
table { border-collapse: collapse; width: 100%; font-size: 15px; text-align: left; }
caption { text-align: left; padding: 16px; font-weight: 750; color: var(--primary); background: #f8fafc; }
th, td { padding: 14px 16px; border-bottom: 1px solid var(--border-color); vertical-align: top; }
thead th { background: var(--primary-bg); color: var(--primary); font-weight: 750; }
tbody th { color: var(--text-sub); font-weight: 700; }
.numeric-table td { white-space: nowrap; font-variant-numeric: tabular-nums; }
tbody tr:last-child td, tbody tr:last-child th { border-bottom: 0; }
.faq details, .topic-links details { background: #fff; border: 1px solid var(--border-color); border-radius: 10px; margin-bottom: 12px; }
.faq summary, .topic-links summary { cursor: pointer; padding: 18px 20px; min-height: 56px; color: var(--text-main); font-weight: 700; }
.topic-links ul { padding: 0 20px 20px 42px; margin: 0; }
.topic-links a { display: inline-block; min-height: 44px; padding: 8px 0; }
.faq details p { padding: 0 20px 20px; margin: 0; color: var(--text-sub); }
.official-card { padding: 24px; background: #fff; border: 1px solid #cbd5e1; border-left: 4px solid var(--primary); border-radius: 12px; margin: 24px 0; }
.official-card h3 { margin-bottom: 8px; }
.official-url { display: block; font-size: 14px; color: var(--text-sub); overflow-wrap: anywhere; }
.copy-status { display: block; font-size: 14px; min-height: 24px; color: var(--text-sub); margin-top: 8px; }
.sources { border-top: 1px solid var(--border-color); margin: 32px 0; padding-top: 24px; font-size: 14px; color: var(--text-sub); }
.sources h2 { font-size: 20px; }
.sources ul { padding-left: 20px; }
.procedure-step-card { display: flex; gap: 18px; padding: 24px; border: 1px solid var(--border-color); border-radius: 12px; margin-bottom: 16px; background: #fff; }
.step-number { flex: 0 0 36px; color: var(--primary-light); font-size: 24px; font-weight: 800; }
.procedure-step-card h3 { font-size: 19px; }
.checklist { padding: 0; list-style: none; margin: 20px 0; }
.check-row { display: flex; gap: 12px; align-items: flex-start; padding: 18px; border: 1px solid var(--control-border); border-radius: 10px; cursor: pointer; background: #fff; }
.check-row:has(input:checked) { background: var(--primary-bg); border-color: var(--primary-light); }
.check-row input { flex: 0 0 22px; width: 22px; height: 22px; accent-color: var(--primary-light); margin: 3px 0 0; }
.check-row strong { display: block; }
.check-row small { display: block; font-size: 14px; color: var(--text-sub); margin-top: 4px; }
.progress-label { font-weight: 700; color: var(--primary); margin: 16px 0 8px; }
progress { width: 100%; height: 12px; accent-color: var(--primary-light); }
.search-form { display: flex; flex-direction: column; gap: 12px; }
.search-form label { font-weight: 750; }
.search-quick { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.search-quick a { padding: 7px 12px; min-height: 44px; border-radius: 8px; background: var(--primary-bg); font-size: 14px; text-decoration: none; }
.search-count { font-size: 14px; color: var(--text-sub); margin: 16px 0; }
.site-footer { margin-top: 56px; border-top: 1px solid var(--border-color); background: #fff; padding: 32px 0; color: var(--text-sub); font-size: 14px; }
.footer-brand { font-size: 18px; font-weight: 800; color: var(--primary); margin-bottom: 12px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 4px 18px; margin: 20px 0; }
.footer-links a { display: inline-block; padding: 8px 0; min-height: 44px; }
.copyright { font-size: 12px; color: var(--text-muted); border-top: 1px solid var(--border-color); padding-top: 16px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
@media (hover:hover) {
  .hub-card:hover, .nexus-card:hover { border-color: var(--primary-light); box-shadow: 0 4px 12px rgba(30,58,138,.08); }
  .main-nav a:hover { background: var(--primary-bg); color: var(--primary); }
  .button:hover { background: #172f70; border-color: #172f70; color: #fff; }
  .button--secondary:hover, .button--light:hover { background: var(--primary-bg); color: var(--primary); }
}
@media (max-width:1060px) {
  .header-inner { flex-wrap: wrap; gap: 0; padding: 12px 20px; }
  .menu-toggle { display: block; }
  .main-nav { width: 100%; flex-direction: column; align-items: stretch; margin-top: 12px; }
  .main-nav a { padding: 12px 16px; min-height: 44px; }
  .js .main-nav:not(.is-open) { display: none; }
}
@media (max-width:600px) {
  .container { width: calc(100% - 32px); }
  .hero { padding-top: 32px; }
  .hero-mark { display: none; }
  .card { padding: 20px; }
  .card-head { gap: 12px; }
  .card-head h2 { font-size: 22px; }
  .field { padding: 14px; }
  .hub-card, .nexus-card { padding: 18px; gap: 12px; }
  .hub-card h3 { font-size: 18px; }
  .brand { font-size: 18px; gap: 8px; }
  .brand-caption { font-size: 11px; }
  .brand svg { width: 30px; height: 30px; flex-basis: 30px; }
  .header-inner { padding-inline: 16px; }
  .toc { padding: 20px; }
  .actions { flex-direction: column; }
  .actions > * { width: 100%; }
  .section { margin-block: 32px; }
  .official-card { padding: 20px; }
  .result-body, .result-header { padding: 20px; }
  .numeric-table { min-width: 640px; }
  .trust-strip { text-align: left; font-size: 12px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print {
  .site-header, .site-footer, .ad-placement, .actions, .menu-toggle, .form-actions, .search-form, .trust-strip { display: none; }
  body { background: #fff; color: #000; }
  .container { width: 100%; max-width: none; }
  .card, .check-row { box-shadow: none; break-inside: avoid; }
  .table-wrap { overflow: visible; }
  table { min-width: 0; }
  details p { display: block; }
}