:root {
  --ink: #172033;
  --muted: #667085;
  --subtle: #8b95a7;
  --line: #e3e7ed;
  --paper: #f7f8fa;
  --card: #ffffff;
  --accent: #4965d8;
  --accent-soft: #eef1ff;
  --warm: #e08b59;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); line-height: 1.65; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.page-shell, .guide-header { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.guide-header { display: flex; align-items: center; justify-content: space-between; min-height: 72px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 850; letter-spacing: -.04em; }
.brand-mark { display: grid; place-items: center; width: 31px; height: 31px; border-radius: 9px; background: var(--ink); color: white; font-size: 10px; letter-spacing: -.08em; }
.guide-header nav { display: flex; align-items: center; gap: 20px; color: var(--muted); font-size: 13px; }
.guide-header nav a:hover { color: var(--accent); }
.header-cta { padding: 8px 12px; border: 1px solid #cfd6ec; border-radius: 8px; color: var(--accent); font-weight: 800; }
.guide-hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(330px, .95fr); gap: 70px; align-items: center; padding-top: 78px; padding-bottom: 96px; }
.eyebrow { margin: 0 0 10px; color: var(--accent); font-size: 12px; font-weight: 800; letter-spacing: .03em; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { text-wrap: balance; word-break: keep-all; }
h1 { max-width: 610px; margin-bottom: 20px; font-size: clamp(36px, 5vw, 62px); line-height: 1.14; letter-spacing: -.065em; }
h1 em { color: var(--accent); font-style: normal; }
.hero-description { max-width: 540px; margin-bottom: 26px; color: var(--muted); font-size: 17px; line-height: 1.8; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 46px; padding: 0 17px; border-radius: 9px; font-size: 13px; font-weight: 850; }
.button-primary { background: var(--ink); color: white; }
.button-primary:hover { background: var(--accent); }
.text-link { color: var(--muted); font-size: 13px; font-weight: 750; }
.text-link:hover { color: var(--accent); }
.hero-note { margin: 17px 0 0; color: var(--subtle); font-size: 11px; }
.hero-summary { position: relative; min-height: 370px; padding: 26px; overflow: hidden; border: 1px solid #d8ddea; border-radius: 18px; background: linear-gradient(145deg, #263553, #111a2b); color: #f5f7ff; box-shadow: 18px 22px 0 rgba(226, 230, 240, .74); }
.hero-summary::before { position: absolute; right: -80px; bottom: -110px; width: 310px; height: 310px; border: 1px solid rgba(159, 180, 233, .13); border-radius: 50%; content: ''; }
.summary-topline, .summary-footer { position: relative; z-index: 1; display: flex; justify-content: space-between; gap: 14px; }
.summary-topline { color: #c9d3ea; font-size: 12px; font-weight: 800; letter-spacing: .02em; }
.live-dot { color: #b9c8ee; font-size: 10px; }
.live-dot::before { display: inline-block; width: 6px; height: 6px; margin: 0 6px 1px 0; border-radius: 50%; background: #79b98c; content: ''; }
.summary-screen { position: relative; z-index: 1; width: 70%; margin: 72px auto 26px; padding: 7px; border-radius: 4px 4px 15px 15px; background: #8499c9; color: #e8edfb; font-size: 10px; font-weight: 850; letter-spacing: .18em; text-align: center; box-shadow: 0 11px 25px rgba(126, 154, 216, .22); }
.summary-seat-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(7, 1fr); gap: 12px 10px; max-width: 280px; margin: 0 auto 57px; transform: perspective(300px) rotateX(14deg); }
.summary-seat-grid span { display: block; width: 18px; height: 15px; margin: auto; border-radius: 5px 5px 7px 7px; background: #75809a; }
.summary-seat-grid span.is-soft { background: #53617e; }
.summary-seat-grid span.is-focus { background: var(--warm); box-shadow: 0 0 0 4px rgba(224, 139, 89, .16); }
.summary-footer { color: #c9d3ea; font-size: 11px; }
.summary-footer strong { color: white; font-size: 12px; }
.section-heading { max-width: 610px; }
.section-heading h2, .method-intro h2 { margin-bottom: 9px; font-size: clamp(25px, 3vw, 34px); line-height: 1.3; letter-spacing: -.05em; }
.section-heading > p:last-child, .method-intro > p:last-child { color: var(--muted); font-size: 14px; line-height: 1.75; }
.quick-answer { padding: 0 0 102px; }
.answer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 28px; }
.answer-card { min-height: 210px; padding: 22px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); }
.answer-card-primary { border-color: #cbd4fa; background: var(--accent-soft); }
.answer-number { display: block; margin-bottom: 30px; color: var(--accent); font-size: 12px; font-weight: 900; }
.answer-card h3, .hall-card h3 { margin-bottom: 8px; font-size: 17px; letter-spacing: -.035em; }
.answer-card p, .hall-card-copy { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
.hall-section { padding: 74px 0 102px; border-top: 1px solid var(--line); }
.section-heading-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 22px; max-width: none; }
.data-stamp { flex: 0 0 auto; color: var(--subtle); font-size: 11px; }
.hall-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 29px; }
.hall-card { display: flex; flex-direction: column; min-height: 312px; padding: 22px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); }
.hall-card-meta { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 25px; color: var(--accent); font-size: 11px; font-weight: 850; }
.confidence { color: var(--subtle); font-size: 10px; font-weight: 650; text-align: right; }
.hall-card h3 { font-size: 19px; }
.hall-card-copy { min-height: 82px; }
.hall-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin: 21px 0 20px; }
.hall-facts div { padding-top: 9px; border-top: 1px solid var(--line); }
.hall-facts dt { color: var(--subtle); font-size: 10px; }
.hall-facts dd { margin: 2px 0 0; font-size: 12px; font-weight: 800; }
.hall-card-link { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 15px; border-top: 1px solid var(--line); color: var(--accent); font-size: 12px; font-weight: 850; }
.hall-card-link:hover { color: var(--ink); }
.method-section { display: grid; grid-template-columns: minmax(260px, .8fr) minmax(0, 1.2fr); gap: 72px; padding: 74px 0 102px; border-top: 1px solid var(--line); }
.method-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 27px; }
.method-list > div { padding: 17px 0 19px; border-bottom: 1px solid var(--line); }
.method-list span { display: block; margin-bottom: 13px; color: var(--accent); font-size: 11px; font-weight: 900; }
.method-list strong { font-size: 14px; }
.method-list p { margin: 5px 0 0; color: var(--muted); font-size: 12px; line-height: 1.65; }
.faq-section { padding: 0 0 102px; }
.faq-list { max-width: 820px; margin-top: 28px; border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 66px; cursor: pointer; list-style: none; font-size: 14px; font-weight: 800; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { color: var(--accent); content: '+'; font-size: 20px; font-weight: 400; }
.faq-list details[open] summary::after { content: '−'; }
.faq-list details p { max-width: 730px; margin: 0 40px 20px 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.closing-cta { margin-bottom: 78px; padding: 52px 58px; border-radius: 14px; background: #e9edfb; text-align: center; }
.closing-cta .eyebrow { margin-bottom: 12px; }
.closing-cta h2 { margin-bottom: 24px; font-size: clamp(25px, 4vw, 39px); line-height: 1.35; letter-spacing: -.055em; }
.guide-footer { display: flex; justify-content: space-between; gap: 18px; padding: 0 0 35px; color: var(--subtle); font-size: 11px; }
.guide-footer div { display: flex; gap: 18px; }
.guide-footer a:hover { color: var(--accent); }
:where(a, summary):focus-visible { outline: 3px solid #91a3e9; outline-offset: 4px; }
@media (max-width: 820px) {
  .guide-hero { grid-template-columns: 1fr; gap: 43px; padding-top: 57px; padding-bottom: 80px; }
  .hero-summary { min-height: 310px; }
  .summary-screen { margin-top: 53px; }
  .summary-seat-grid { margin-bottom: 40px; }
  .method-section { grid-template-columns: 1fr; gap: 30px; }
}
@media (max-width: 640px) {
  .page-shell, .guide-header { width: min(100% - 28px, 1120px); }
  .guide-header nav { gap: 11px; font-size: 12px; }
  .guide-header nav a:first-child { display: none; }
  h1 { font-size: 41px; }
  .hero-description { font-size: 15px; }
  .answer-grid, .hall-grid { grid-template-columns: 1fr; }
  .answer-card { min-height: auto; }
  .answer-number { margin-bottom: 20px; }
  .section-heading-row { align-items: flex-start; flex-direction: column; gap: 2px; }
  .data-stamp { font-size: 10px; }
  .hall-card { min-height: auto; }
  .hall-card-copy { min-height: auto; }
  .method-list { grid-template-columns: 1fr; }
  .closing-cta { margin-bottom: 55px; padding: 40px 20px; }
  .guide-footer { align-items: flex-start; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }