:root {
  --paper-0: #ffffff;
  --paper-50: #fbf9f4;
  --paper-100: #f4f3ee;
  --paper-200: #ebe9e2;
  --ink-900: #2c2c2a;
  --ink-700: #444441;
  --ink-500: #5f5e5a;
  --line: #d8d5cc;
  --navy-900: #0e2440;
  --navy-700: #183e6b;
  --navy-500: #2e5a93;
  --navy-200: #b9cbe3;
  --navy-50: #e9eff6;
  --font-serif: Georgia, "Times New Roman", serif;
  --font-sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(20, 20, 18, .06);
  --shadow-md: 0 8px 24px rgba(20, 20, 18, .08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 152px; }
body { margin: 0; color: var(--ink-900); background: var(--paper-50); font: 400 16px/1.55 var(--font-sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.visually-hidden { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; border: 0 !important; }
:focus-visible { outline: 3px solid var(--navy-500); outline-offset: 3px; }
.skip-link { position: fixed; z-index: 1000; top: 12px; left: 12px; padding: 12px 18px; color: #fff; background: var(--navy-900); border-radius: var(--radius-md); transform: translateY(-160%); }
.skip-link:focus { transform: none; }

.site-header { position: sticky; z-index: 20; top: 0; background: rgba(255,255,255,.97); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
.header-inner { width: min(100% - 48px, 1240px); min-height: 84px; margin: 0 auto; display: flex; align-items: center; gap: 20px; }
.brand { width: 168px; min-height: 44px; display: inline-flex; align-items: center; text-decoration: none; }
.brand img { display: block; width: 100%; height: auto; }
.product-name { padding-left: 20px; border-left: 1px solid var(--line); color: var(--ink-500); font-size: 15px; font-weight: 600; }
.desktop-nav { display: flex; align-self: stretch; align-items: center; gap: 8px; margin-left: auto; }
.desktop-nav a { min-height: 44px; display: inline-flex; align-items: center; gap: 4px; padding: 0 14px; color: var(--ink-700); border-radius: var(--radius-pill); font-size: 15px; font-weight: 600; text-decoration: none; }
.desktop-nav a:hover { background: var(--paper-100); }
.desktop-nav .active { color: var(--navy-700); background: var(--navy-50); }
.external-mark { font-size: 16px; }

.button { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 0 18px; border: 1px solid transparent; border-radius: var(--radius-pill); font-size: 15px; font-weight: 700; line-height: 1.2; text-decoration: none; transition: background-color 160ms ease, border-color 160ms ease, transform 160ms ease; }
.button:hover { transform: translateY(-1px); }
.button-primary { color: #fff; background: var(--navy-700); box-shadow: 0 8px 18px rgba(14,36,64,.14); }
.button-primary:hover { background: var(--navy-900); }
.button-secondary { color: var(--navy-700); background: var(--paper-0); border-color: var(--line); }
.button-secondary:hover { background: var(--navy-50); border-color: var(--navy-500); }
.button-light { color: var(--navy-900); background: var(--paper-0); }
.button-light:hover { background: var(--navy-50); }
.button-outline-light { color: #fff; background: transparent; border-color: rgba(255,255,255,.5); }
.button-outline-light:hover { border-color: #fff; background: rgba(255,255,255,.08); }

.hero { position: relative; overflow: hidden; color: #fff; background: var(--navy-900); }
.hero::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(circle at 82% 12%, rgba(46,90,147,.62), transparent 34%), radial-gradient(circle, rgba(185,203,227,.22) 1px, transparent 1.2px); background-size: auto, 30px 30px; pointer-events: none; }
.hero::after { content: ""; position: absolute; width: 520px; height: 520px; top: -330px; right: -80px; border: 1px solid rgba(185,203,227,.24); border-radius: 50%; box-shadow: 0 0 0 74px rgba(185,203,227,.05), 0 0 0 148px rgba(185,203,227,.035); pointer-events: none; }
.hero-inner { position: relative; z-index: 1; width: min(100% - 48px, 1240px); min-height: 520px; margin: 0 auto; padding: 88px 0; display: grid; grid-template-columns: minmax(0,1fr) minmax(320px,420px); align-items: center; gap: 80px; }
.section-label { margin: 0 0 12px; color: var(--navy-500); font-size: 13px; font-weight: 700; letter-spacing: .1em; }
.hero .section-label { color: var(--navy-200); }
.hero h1 { max-width: 720px; margin: 0; font-family: var(--font-serif); font-size: clamp(56px,7vw,92px); font-weight: 400; line-height: .96; letter-spacing: -.045em; }
.hero-copy > p:not(.section-label) { max-width: 690px; margin: 28px 0 0; color: rgba(255,255,255,.82); font-size: 19px; line-height: 1.6; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.urgent-card { display: flex; gap: 18px; padding: 28px; background: rgba(3,20,40,.62); border: 1px solid rgba(255,255,255,.3); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.urgent-card > svg { flex: 0 0 auto; width: 32px; height: 32px; color: var(--navy-200); }
.urgent-label { margin: 0; color: var(--navy-200); font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.urgent-card h2 { margin: 9px 0 12px; font-family: var(--font-serif); font-size: 26px; font-weight: 400; line-height: 1.16; letter-spacing: -.025em; }
.urgent-card div > p:last-child { margin: 0; color: rgba(255,255,255,.76); }

.section-nav { position: sticky; z-index: 15; top: 84px; background: var(--paper-0); border-bottom: 1px solid var(--line); }
.section-nav-inner { width: min(100% - 48px, 1240px); min-height: 64px; margin: 0 auto; display: flex; align-items: center; gap: 8px; overflow-x: auto; scrollbar-width: thin; }
.section-nav-inner > span { flex: 0 0 auto; margin-right: 10px; color: var(--ink-500); font-size: 14px; font-weight: 600; }
.section-nav a { flex: 0 0 auto; min-height: 44px; display: inline-flex; align-items: center; padding: 0 14px; color: var(--navy-700); border-radius: var(--radius-pill); font-size: 14px; font-weight: 700; text-decoration: none; }
.section-nav a:hover { background: var(--navy-50); }

.content-shell { width: min(100% - 48px, 1240px); margin: 0 auto; }
.quick-actions { padding: 88px 0; background: var(--paper-0); border-bottom: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: .8fr 1.7fr; gap: 40px; align-items: end; }
.section-heading h2, .guide-section > h2, .faq-section > h2, .report-section h2 { margin: 0; color: var(--navy-900); font-family: var(--font-serif); font-size: clamp(42px,5vw,64px); font-weight: 400; line-height: 1.02; letter-spacing: -.04em; }
.action-grid { display: grid; grid-template-columns: repeat(3,1fr); margin: 48px 0 0; padding: 0; list-style: none; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.action-grid li { min-height: 250px; padding: 32px; background: var(--paper-50); }
.action-grid li + li { border-left: 1px solid var(--line); }
.action-number { color: var(--navy-500); font: 600 14px/1 var(--font-mono); }
.action-grid h3 { margin: 64px 0 10px; color: var(--navy-900); font-family: var(--font-serif); font-size: 30px; font-weight: 400; letter-spacing: -.025em; line-height: 1.1; }
.action-grid p { margin: 0; color: var(--ink-700); font-size: 17px; }

.guide-layout { display: grid; grid-template-columns: 240px minmax(0,1fr); gap: 72px; padding-top: 96px; padding-bottom: 120px; }
.guide-index { position: sticky; top: 172px; align-self: start; display: grid; gap: 4px; padding: 20px 0; border-top: 2px solid var(--navy-900); border-bottom: 1px solid var(--line); }
.guide-index .index-title { margin: 0 0 8px; color: var(--ink-500); font-size: 14px; font-weight: 700; }
.guide-index a { min-height: 44px; display: flex; align-items: center; padding: 8px 10px; color: var(--navy-700); border-radius: var(--radius-sm); font-size: 15px; font-weight: 600; text-decoration: none; }
.guide-index a:hover { background: var(--navy-50); }
.guide { min-width: 0; }
.guide-section { padding: 0 0 96px; scroll-margin-top: 172px; }
.guide-section + .guide-section { padding-top: 96px; border-top: 1px solid var(--line); }
.section-intro { max-width: 760px; margin: 20px 0 34px; color: var(--ink-700); font-size: 18px; }
.check-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.check-list li { display: grid; grid-template-columns: 44px minmax(0,1fr); gap: 16px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.check-list li > span { width: 32px; height: 32px; display: grid; place-items: center; color: #fff; background: var(--navy-700); border-radius: 50%; font-weight: 700; }
.check-list strong { color: var(--navy-900); font-size: 18px; }
.check-list p { margin: 5px 0 0; color: var(--ink-700); }
.do-dont-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 36px; }
.guidance-card { padding: 30px; background: var(--paper-0); border: 1px solid var(--line); border-radius: var(--radius-lg); }
.guidance-card-strong { color: #fff; background: var(--navy-900); border-color: var(--navy-900); }
.guidance-card h3 { margin: 0 0 18px; color: var(--navy-900); font-family: var(--font-serif); font-size: 26px; font-weight: 400; line-height: 1.15; letter-spacing: -.025em; }
.guidance-card-strong h3 { color: #fff; }
.guidance-card p { margin: 0 0 14px; }
.guidance-card p:last-child { margin-bottom: 0; }
.guidance-card-strong p { color: rgba(255,255,255,.8); }
.plain-list { margin: 0; padding-left: 20px; }
.plain-list li + li { margin-top: 12px; }
.inline-note { display: flex; gap: 16px; margin: 20px 0 0; padding: 22px 24px; background: var(--navy-50); border-left: 4px solid var(--navy-500); border-radius: 0 var(--radius-md) var(--radius-md) 0; }
.inline-note svg { flex: 0 0 auto; color: var(--navy-700); }
.inline-note p { margin: 0; }
.text-link { min-height: 44px; display: inline-flex; align-items: center; gap: 22px; margin-top: 22px; color: var(--navy-700); border-bottom: 1px solid var(--navy-500); font-size: 15px; font-weight: 700; text-decoration: none; }
.text-link:hover { color: var(--navy-900); border-color: var(--navy-900); }
.safety-steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-top: 36px; }
.safety-steps > div { padding: 28px; background: var(--paper-0); border-top: 3px solid var(--navy-500); border-radius: 0 0 var(--radius-md) var(--radius-md); box-shadow: var(--shadow-sm); }
.safety-steps span { color: var(--navy-500); font: 600 14px/1 var(--font-mono); }
.safety-steps h3 { margin: 34px 0 10px; color: var(--navy-900); font-family: var(--font-serif); font-size: 25px; font-weight: 400; line-height: 1.12; letter-spacing: -.025em; }
.safety-steps p { margin: 0; color: var(--ink-700); }
.location-card { display: flex; gap: 22px; margin-top: 24px; padding: 30px; background: var(--navy-50); border: 1px solid var(--navy-200); border-radius: var(--radius-lg); }
.location-card > svg { flex: 0 0 auto; width: 30px; height: 30px; color: var(--navy-700); }
.location-card h3 { margin: 0; color: var(--navy-900); font-family: var(--font-serif); font-size: 26px; font-weight: 400; line-height: 1.2; letter-spacing: -.025em; }
.location-card p:not(.section-label) { margin: 12px 0 0; }
.account-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-top: 36px; }
.account-grid > div { padding: 28px; background: var(--paper-0); border: 1px solid var(--line); border-radius: var(--radius-lg); }
.account-grid svg { width: 28px; height: 28px; color: var(--navy-500); }
.account-grid h3 { margin: 34px 0 10px; color: var(--navy-900); font-family: var(--font-serif); font-size: 24px; font-weight: 400; line-height: 1.15; letter-spacing: -.025em; }
.account-grid p { margin: 0; color: var(--ink-700); }
.report-section { display: grid; grid-template-columns: minmax(0,1.3fr) minmax(280px,.7fr); gap: 40px; padding: 48px !important; background: var(--paper-0); border: 1px solid var(--line) !important; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.report-section > div > p:not(.section-label) { max-width: 680px; margin: 20px 0 0; font-size: 17px; }
.report-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.report-section aside { padding: 28px; background: var(--navy-50); border-radius: var(--radius-md); }
.report-section aside h3 { margin: 0 0 16px; color: var(--navy-900); font-family: var(--font-serif); font-size: 24px; font-weight: 400; line-height: 1.15; letter-spacing: -.025em; }
.report-section aside ol { margin: 0; padding-left: 22px; }
.report-section aside li + li { margin-top: 10px; }
.faq-section { margin-top: 96px; }
.faq-section details { border-top: 1px solid var(--line); }
.faq-section details:last-child { border-bottom: 1px solid var(--line); }
.faq-section summary { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 14px 4px; color: var(--navy-900); font-family: var(--font-serif); font-size: 20px; font-weight: 400; cursor: pointer; list-style: none; }
.faq-section summary::-webkit-details-marker { display: none; }
.faq-section summary span { width: 32px; height: 32px; display: grid; place-items: center; flex: 0 0 auto; border: 1px solid var(--line); border-radius: 50%; font-size: 22px; font-weight: 400; transition: transform 160ms ease; }
.faq-section details[open] summary span { transform: rotate(45deg); }
.faq-section details p { max-width: 760px; margin: -4px 0 24px; color: var(--ink-700); font-size: 17px; }

.site-footer { min-height: 240px; display: flex; align-items: flex-start; justify-content: space-between; gap: 48px; padding: 64px max(24px,calc((100vw - 1240px)/2)); color: #fff; background: var(--navy-900); }
.footer-brand { width: 180px; }
.site-footer p { max-width: 480px; color: rgba(255,255,255,.72); }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 12px 28px; }
.site-footer nav a { min-height: 44px; display: inline-flex; align-items: center; color: #fff; font-weight: 600; text-underline-offset: 4px; }

@media (max-width: 980px) {
  .desktop-nav { display: none; }
  .header-action { margin-left: auto; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .urgent-card { max-width: 680px; }
  .guide-layout { grid-template-columns: 1fr; }
  .guide-index { position: static; grid-template-columns: repeat(2,minmax(0,1fr)); }
  .guide-index .index-title { grid-column: 1/-1; }
  .account-grid { grid-template-columns: 1fr; }
  .report-section { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  html { scroll-padding-top: 84px; }
  .header-inner, .hero-inner, .section-nav-inner, .content-shell { width: min(100% - 32px,1240px); }
  .header-inner { min-height: 76px; gap: 12px; }
  .brand { width: 132px; }
  .product-name { padding-left: 12px; font-size: 14px; }
  .header-action { display: none; }
  .hero-inner { min-height: auto; padding: 64px 0; }
  .hero h1 { font-size: clamp(48px,15vw,68px); }
  .hero-copy > p:not(.section-label) { font-size: 17px; }
  .hero-actions { display: grid; }
  .hero-actions .button { width: 100%; min-height: 48px; }
  .urgent-card { padding: 22px; }
  .section-nav { top: 76px; }
  .section-nav-inner { min-height: 60px; }
  .section-nav-inner > span { display: none; }
  .quick-actions { padding: 64px 0; }
  .section-heading { grid-template-columns: 1fr; gap: 0; }
  .action-grid { grid-template-columns: 1fr; margin-top: 32px; }
  .action-grid li { min-height: auto; }
  .action-grid li + li { border-left: 0; border-top: 1px solid var(--line); }
  .action-grid h3 { margin-top: 34px; }
  .guide-layout { gap: 48px; padding-top: 64px; padding-bottom: 80px; }
  .guide-index { display: none; }
  .guide-section { padding-bottom: 72px; scroll-margin-top: 152px; }
  .guide-section + .guide-section { padding-top: 72px; }
  .section-heading h2, .guide-section > h2, .faq-section > h2, .report-section h2 { font-size: clamp(36px,11vw,48px); }
  .check-list li { grid-template-columns: 36px minmax(0,1fr); gap: 12px; }
  .do-dont-grid, .safety-steps { grid-template-columns: 1fr; }
  .guidance-card, .safety-steps > div, .account-grid > div { padding: 24px; }
  .location-card { padding: 24px; }
  .report-section { padding: 28px !important; }
  .report-actions { display: grid; }
  .report-actions .button { width: 100%; min-height: 48px; text-align: center; }
  .faq-section { margin-top: 72px; }
  .site-footer { flex-direction: column; padding-top: 48px; padding-bottom: 48px; }
  .site-footer nav { flex-direction: column; }
}

@media (max-width: 380px) {
  .brand { width: 116px; }
  .product-name { max-width: 86px; line-height: 1.2; }
  .hero h1 { font-size: 46px; }
  .urgent-card { display: block; }
  .urgent-card > svg { margin-bottom: 16px; }
  .location-card { display: block; }
  .location-card > svg { margin-bottom: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

@media print {
  .site-header, .section-nav, .hero-actions, .site-footer { display: none; }
  .hero { color: #000; background: #fff; }
  .hero::before, .hero::after { display: none; }
  .hero-inner { min-height: 0; padding: 32px 0; }
  .hero h1, .urgent-card h2 { color: #000; }
  .hero-copy > p:not(.section-label), .urgent-card div > p:last-child { color: #333; }
  .urgent-card { color: #000; background: #fff; border-color: #999; }
  .guide-layout { display: block; padding-top: 32px; }
  .guide-index { display: none; }
}