:root {
  --ink: #172031;
  --blue: #1736a6;
  --yellow: #f8d849;
  --paper: #ffffff;
  --soft: #f5f7ff;
  --line: #d9def2;
  --muted: #4f5870;
  --max: 1120px;
  --radius: 18px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
}

img, svg { max-width: 100%; }

a { color: var(--blue); text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 0.14em; }
a:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 4px;
  border-radius: 6px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -5rem;
  z-index: 10;
  padding: 0.75rem 1rem;
  color: var(--paper);
  background: var(--ink);
}
.skip-link:focus { top: 1rem; }

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,0.96);
}

.header-inner, .section, .footer-inner {
  width: min(var(--max), calc(100% - 2rem));
  margin-inline: auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 0.05rem;
  color: var(--ink);
  text-decoration: none;
}

.brand-name {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  line-height: 1;
  letter-spacing: -0.02em;
}

.brand-note {
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list a {
  display: inline-block;
  padding: 0.55rem 0.7rem;
  border-radius: 999px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.94rem;
}

.nav-list a:hover, .nav-list a[aria-current="page"] {
  color: var(--paper);
  background: var(--blue);
}

.notice {
  border-bottom: 1px solid var(--line);
  background: var(--soft);
}

.notice .section {
  padding: 0.7rem 0;
  font-size: 0.92rem;
  color: var(--muted);
}

.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #ffffff 0%, #f5f7ff 58%, #eef2ff 100%);
  border-bottom: 1px solid var(--line);
}

.hero .section {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  padding: clamp(3rem, 8vw, 6rem) 0;
}

.kicker {
  margin: 0 0 0.9rem;
  color: var(--blue);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.82rem;
}

h1, h2, h3 {
  font-family: Georgia, 'Times New Roman', serif;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--ink);
}

h1 {
  margin: 0;
  font-size: clamp(2.35rem, 7vw, 5.25rem);
  max-width: 11ch;
}

.hero p.lede, .lede {
  font-size: clamp(1.12rem, 2.2vw, 1.35rem);
  color: var(--muted);
  max-width: 62ch;
}

h2 { font-size: clamp(1.8rem, 4vw, 3rem); margin: 0 0 1rem; }
h3 { font-size: 1.35rem; margin: 0 0 0.55rem; }
p { margin: 0 0 1rem; }

.section { padding: clamp(2.8rem, 6vw, 5rem) 0; }
.section.compact { padding: 2rem 0; }
.section-header { max-width: 760px; margin-bottom: 2rem; }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
  margin-top: 1.5rem;
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.75rem 1rem;
  border: 2px solid var(--blue);
  border-radius: 999px;
  background: var(--blue);
  color: var(--paper);
  text-decoration: none;
  font-weight: 800;
}

.button-link:hover { background: var(--ink); border-color: var(--ink); }
.button-link.secondary { background: transparent; color: var(--blue); }
.button-link.secondary:hover { background: var(--blue); color: var(--paper); }

.editorial-card {
  padding: clamp(1.2rem, 3vw, 1.8rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: 0 16px 50px rgba(23, 32, 49, 0.08);
}

.hero-card {
  border-top: 8px solid var(--yellow);
}

.rule-list {
  display: grid;
  gap: 0;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.rule-list li {
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.card {
  padding: 1.35rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.card.highlight { background: var(--soft); }

.numbered {
  counter-reset: step;
  display: grid;
  gap: 1rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.numbered li {
  counter-increment: step;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.numbered li::before {
  content: counter(step);
  display: inline-grid;
  place-items: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 50%;
  background: var(--yellow);
  color: var(--ink);
  font-weight: 900;
}

.band {
  background: var(--ink);
  color: var(--paper);
}
.band h2, .band h3 { color: var(--paper); }
.band p, .band li { color: #e5e9f8; }
.band a:not(.button-link) { color: var(--yellow); }
.band .button-link.secondary {
  border-color: var(--paper);
  color: var(--paper);
}
.band .button-link.secondary:hover {
  border-color: var(--paper);
  background: var(--paper);
  color: var(--ink);
}
.band .numbered li,
.band .editorial-card {
  color: var(--ink);
}
.band .numbered h2,
.band .numbered h3,
.band .editorial-card h2,
.band .editorial-card h3 {
  color: var(--ink);
}
.band .numbered p,
.band .editorial-card p,
.band .editorial-card li {
  color: var(--muted);
}

.fine-rule { border-top: 1px solid var(--line); }

dl.faq { margin: 0; display: grid; gap: 1rem; }
.faq div {
  padding: 1.35rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}
.faq dt { font-weight: 900; font-size: 1.08rem; margin-bottom: 0.45rem; }
.faq dd { margin: 0; color: var(--muted); }

.data-notice {
  border-left: 6px solid var(--yellow);
  padding: 1rem 1.2rem;
  background: var(--soft);
}

.meta-list {
  display: grid;
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.meta-list strong { display: block; color: var(--ink); }
.meta-list span { color: var(--muted); }

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--soft);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  padding: 2.2rem 0;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1rem;
  margin: 0.5rem 0 0;
  padding: 0;
  list-style: none;
}

.small { font-size: 0.92rem; color: var(--muted); }

@media (max-width: 860px) {
  .header-inner { align-items: flex-start; flex-direction: column; }
  .nav-list { justify-content: flex-start; }
  .hero .section, .grid, .grid.two, .footer-inner { grid-template-columns: 1fr; }
  h1 { max-width: 12ch; }
}

@media (max-width: 520px) {
  .header-inner, .section, .footer-inner { width: min(100% - 1.2rem, var(--max)); }
  .nav-list a { padding: 0.5rem 0.55rem; }
  .numbered li { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}