:root {
  color-scheme: light;
  --ink: #161d35;
  --muted: #566078;
  --blue: #4656a5;
  --blue-deep: #35458f;
  --blue-dark: #202941;
  --lilac: #cfd3ec;
  --lilac-deep: #aeb8ec;
  --citron: #d9eb99;
  --citron-strong: #cde57b;
  --paper: #f4f6fb;
  --white: #ffffff;
  --line: #dce1ee;
  --error: #a32c3a;
  --content: 1160px;
  --reading: 720px;
  --radius: 18px;
  --font-display: ui-rounded, "SF Pro Rounded", "Arial Rounded MT Bold", system-ui, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.58;
  -webkit-font-smoothing: antialiased;
}
button, textarea, input { font: inherit; }
a { color: inherit; text-underline-offset: 0.2em; }
img, svg { display: block; max-width: 100%; }
.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;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  background: var(--white);
  color: var(--ink);
  transform: translateY(-150%);
}
.skip-link:focus { transform: none; }

.site-header {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 40px), var(--content));
  min-height: 88px;
  margin: 0 auto;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 760;
  text-decoration: none;
  letter-spacing: -0.025em;
}
.brand img { width: 34px; height: 34px; padding: 4px; background: var(--blue); border-radius: 10px; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { font-size: 15px; font-weight: 650; text-decoration: none; }
.nav-links a:hover { text-decoration: underline; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 12px 22px;
  border: 0;
  border-radius: 12px;
  background: var(--citron);
  color: #131a30;
  font-weight: 760;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 180ms ease-out, transform 180ms cubic-bezier(.16,1,.3,1), box-shadow 180ms ease-out;
}
.button:hover { background: var(--citron-strong); transform: translateY(-2px); box-shadow: 0 10px 28px rgba(17, 25, 54, 0.16); }
.button:active { transform: translateY(0); }
.button.secondary { background: transparent; color: var(--ink); border: 1px solid var(--line); box-shadow: none; }
.button.secondary:hover { background: #edf0f8; }
.button.text-button { min-height: 44px; padding: 8px 2px; background: transparent; color: inherit; text-decoration: underline; box-shadow: none; }
.button.text-button:hover { transform: none; background: transparent; }
:focus-visible { outline: 3px solid #1e6f88; outline-offset: 3px; }
.hero-shell :focus-visible,
.demo button:focus-visible,
.final-cta :focus-visible { outline-color: var(--white); }
.demo input:focus-visible,
.demo textarea:focus-visible,
.demo h3:focus-visible { outline-color: var(--citron); }

.hero-shell {
  width: min(calc(100% - 40px), var(--content));
  margin: 18px auto 0;
  min-height: min(780px, calc(100svh - 120px));
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, .72fr);
  overflow: hidden;
  border-radius: 28px;
  background: var(--blue);
  color: white;
  box-shadow: 0 26px 70px rgba(33, 44, 91, .2);
}
.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 700px;
  padding: clamp(42px, 6vw, 78px);
}
.hero-copy h1 {
  max-width: 670px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(62px, 8.2vw, 116px);
  line-height: .88;
  letter-spacing: -0.04em;
  text-wrap: balance;
}
.hero-intro { max-width: 580px; margin-top: 42px; }
.hero-intro p { margin: 0 0 26px; font-size: clamp(19px, 2vw, 25px); line-height: 1.4; color: #f0f2ff; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; }
.hero-note { font-size: 14px; color: #e3e7fa; }
.hero-art {
  position: relative;
  min-height: 100%;
  background: #3c4c99;
  overflow: hidden;
}
.hero-decoration { position: absolute; inset: 0; overflow: hidden; }
.hero-decoration::before, .hero-decoration::after {
  content: "";
  position: absolute;
  border: clamp(28px, 4vw, 54px) solid var(--lilac);
  border-radius: 50%;
  width: clamp(250px, 35vw, 510px);
  aspect-ratio: 1;
  opacity: .92;
}
.hero-decoration::before { right: -19%; top: -9%; clip-path: inset(0 0 46% 0); transform: rotate(22deg); }
.hero-decoration::after { left: -32%; bottom: -9%; clip-path: inset(45% 0 0 0); transform: rotate(-18deg); border-color: var(--lilac-deep); }
.hero-dot {
  position: absolute;
  top: 46%;
  left: 50%;
  width: clamp(74px, 9vw, 118px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--citron);
  transform: translate(-50%, -50%);
  box-shadow: 0 15px 45px rgba(21, 27, 44, .22);
}
.status-chip {
  position: absolute;
  right: 28px;
  bottom: 28px;
  max-width: 250px;
  padding: 14px 17px;
  border-radius: 14px;
  background: rgba(25, 34, 70, .72);
  color: #f4f6ff;
  font-size: 14px;
  line-height: 1.45;
}

.section { width: min(calc(100% - 40px), var(--content)); margin: clamp(90px, 12vw, 160px) auto; }
.section-heading { max-width: 760px; margin-bottom: 46px; }
.section h2, .article-hero h1, .legal-hero h1 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: clamp(42px, 6vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  text-wrap: balance;
}
.section-heading p { max-width: 660px; margin: 0; color: var(--muted); font-size: 20px; }

.mechanism {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.mechanism article { min-height: 300px; padding: 38px 34px 38px 0; }
.mechanism article + article { padding-left: 34px; border-left: 1px solid var(--line); }
.mechanism strong { display: block; margin-bottom: 56px; color: var(--blue); font-family: var(--font-display); font-size: 20px; }
.mechanism h3 { margin: 0 0 12px; font-family: var(--font-display); font-size: 30px; line-height: 1.15; letter-spacing: -0.025em; }
.mechanism p { margin: 0; color: var(--muted); }

.demo-wrap { display: grid; grid-template-columns: minmax(0, .62fr) minmax(420px, .95fr); gap: clamp(36px, 7vw, 96px); align-items: start; }
.demo-copy { position: sticky; top: 40px; }
.demo-copy h2 { max-width: 520px; }
.demo {
  min-height: 650px;
  padding: clamp(26px, 5vw, 48px);
  border-radius: 24px;
  background: var(--blue-dark);
  color: #f4f6ff;
  box-shadow: 0 24px 60px rgba(28, 36, 66, .2);
}
.demo-progress { display: flex; gap: 8px; margin-bottom: 54px; }
.demo-progress span { height: 4px; flex: 1; border-radius: 4px; background: #444e78; }
.demo-progress span.active { background: var(--citron); }
.demo-step[hidden] { display: none; }
.demo-step h3 { margin: 0 0 12px; scroll-margin-top: 24px; font-family: var(--font-display); font-size: clamp(34px, 4vw, 48px); line-height: 1.05; letter-spacing: -0.03em; }
.demo-step > p { margin: 0 0 28px; color: #cbd1e8; }
label { display: block; font-weight: 700; }
textarea, input[type="text"] {
  width: 100%;
  margin-top: 10px;
  padding: 16px;
  border: 1px solid #556086;
  border-radius: 12px;
  background: #171f34;
  color: #f5f6fc;
}
textarea { min-height: 166px; resize: vertical; }
textarea::placeholder, input::placeholder { color: #afb7d0; opacity: 1; }
.choice-group { display: grid; gap: 12px; margin: 26px 0; }
.choice {
  position: relative;
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 13px;
  min-height: 70px;
  padding: 17px;
  border: 1px solid #566188;
  border-radius: 12px;
  cursor: pointer;
}
.choice:hover { background: #28324f; }
.choice:has(input:checked) { border-color: var(--citron); background: #29334c; }
.choice input { margin: 5px 0 0; accent-color: var(--citron); }
.choice strong { display: block; color: #fff; }
.choice small { display: block; color: #bdc4dc; font-size: 14px; }
.next-step { margin-top: 20px; }
.demo-actions { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 30px; }
.demo-actions .button { min-width: 150px; }
.demo-error { min-height: 25px; margin: 12px 0 0; color: #ffc3c9; font-size: 15px; }
.closing-mark { position: relative; width: 190px; height: 190px; margin: 8px auto 36px; }
.closing-mark::before, .closing-mark::after { content: ""; position: absolute; inset: 24px; border: 20px solid var(--lilac); border-radius: 50%; }
.closing-mark::before { clip-path: inset(0 0 50%); transform: rotate(22deg); }
.closing-mark::after { clip-path: inset(50% 0 0); transform: rotate(-22deg); border-color: var(--lilac-deep); }
.closing-mark span { position: absolute; width: 48px; aspect-ratio: 1; inset: 0; margin: auto; border-radius: 50%; background: var(--citron); }
.close-summary { margin: 22px 0; padding: 20px 0; border-top: 1px solid #46516e; border-bottom: 1px solid #46516e; }
.close-summary p { margin: 0; color: #dfe3f2; white-space: pre-wrap; }
.close-summary p + p { margin-top: 14px; }

.principles { display: grid; grid-template-columns: 1fr 1fr; gap: 32px 72px; }
.principles article { padding-top: 26px; border-top: 1px solid var(--line); }
.principles h3 { margin: 0 0 10px; font-family: var(--font-display); font-size: 27px; letter-spacing: -0.02em; }
.principles p { margin: 0; color: var(--muted); }

.guides-grid { display: grid; grid-template-columns: 1.2fr .9fr .9fr; gap: 18px; }
.guide-card {
  display: flex;
  min-height: 360px;
  flex-direction: column;
  justify-content: space-between;
  padding: 30px;
  border-radius: var(--radius);
  background: #e7eafa;
  text-decoration: none;
  transition: transform 180ms cubic-bezier(.16,1,.3,1), background-color 180ms ease-out;
}
.guide-card:first-child { min-height: 440px; background: var(--blue); color: white; }
.guide-card:nth-child(3) { background: #e7f0bd; }
.guide-card:hover { transform: translateY(-4px); background: var(--lilac); }
.guide-card:first-child:hover { background: var(--blue-deep); }
.guide-card:nth-child(3):hover { background: var(--citron); }
.guide-card h3 { margin: 0 0 16px; font-family: var(--font-display); font-size: clamp(28px, 3vw, 40px); line-height: 1.1; letter-spacing: -0.025em; }
.guide-card p { margin: 0; color: inherit; opacity: .82; }
.guide-card span { font-weight: 750; }

.final-cta {
  position: relative;
  min-height: 460px;
  padding: clamp(44px, 7vw, 84px);
  border-radius: 28px;
  overflow: hidden;
  background: var(--blue);
  color: white;
}
.final-cta::after { content: ""; position: absolute; right: -70px; top: -160px; width: 380px; aspect-ratio: 1; border: 44px solid var(--lilac); border-radius: 50%; clip-path: inset(50% 0 0); transform: rotate(-24deg); opacity: .72; }
.final-cta h2 { position: relative; z-index: 1; max-width: 700px; font-size: clamp(48px, 7vw, 84px); }
.final-cta p { position: relative; z-index: 1; max-width: 620px; color: #e6e9f8; font-size: 20px; }
.final-cta .button { position: relative; z-index: 1; margin-top: 18px; }

.site-footer { padding: 46px 20px 52px; background: #e9ecf5; }
.footer-inner { display: grid; grid-template-columns: 1fr auto; gap: 30px; width: min(100%, var(--content)); margin: 0 auto; }
.footer-inner p { max-width: 480px; margin: 13px 0 0; color: var(--muted); font-size: 14px; }
.footer-links { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 18px 25px; font-size: 14px; }

.legal-main, .article-main { width: min(calc(100% - 40px), var(--reading)); margin: 70px auto 120px; }
.legal-hero, .article-hero { margin-bottom: 60px; }
.legal-hero p, .article-hero p { max-width: 650px; color: var(--muted); font-size: 20px; }
.article-hero .reading-time { font-size: 15px; }
.prose h2 { margin: 52px 0 14px; font-family: var(--font-display); font-size: 30px; line-height: 1.15; letter-spacing: -0.02em; }
.prose h3 { margin: 34px 0 10px; font-size: 21px; }
.prose p, .prose li { color: #343c53; }
.prose li + li { margin-top: 9px; }
.prose .callout { margin: 38px 0; padding: 26px; border-radius: 14px; background: #e7eafa; color: var(--ink); }
.prose .callout p { margin: 0; color: inherit; }
.updated { margin-top: 56px; color: var(--muted); font-size: 14px; }

@media (max-width: 840px) {
  .site-header { min-height: 74px; }
  .nav-links a:not(.nav-cta) { display: none; }
  .hero-shell { grid-template-columns: 1fr; }
  .hero-copy { min-height: 560px; }
  .hero-art { min-height: 390px; }
  .mechanism { grid-template-columns: 1fr; }
  .mechanism article { min-height: auto; padding: 28px 0; }
  .mechanism article + article { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .mechanism strong { margin-bottom: 24px; }
  .demo-wrap { grid-template-columns: 1fr; }
  .demo-copy { position: static; }
  .guides-grid { grid-template-columns: 1fr 1fr; }
  .guide-card:first-child { grid-column: 1 / -1; min-height: 360px; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .site-header, .hero-shell, .section { width: min(calc(100% - 28px), var(--content)); }
  .nav-cta { padding: 9px 13px; min-height: 44px; }
  .brand { font-size: 19px; }
  .brand img { width: 31px; height: 31px; }
  .hero-shell { margin-top: 8px; border-radius: 21px; }
  .hero-copy { min-height: 540px; padding: 38px 24px; }
  .hero-copy h1 { font-size: clamp(54px, 18vw, 78px); }
  .hero-intro { margin-top: 34px; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .hero-art { min-height: 300px; }
  .status-chip { right: 18px; bottom: 18px; left: 18px; max-width: none; }
  .section { margin-top: 90px; margin-bottom: 90px; }
  .section h2, .article-hero h1, .legal-hero h1 { font-size: 43px; }
  .section-heading p { font-size: 18px; }
  .demo { min-height: 620px; padding: 28px 20px; border-radius: 18px; }
  .demo-progress { margin-bottom: 36px; }
  .choice { padding: 14px; }
  .demo-actions { align-items: stretch; flex-direction: column-reverse; }
  .demo-actions .button { width: 100%; }
  .principles, .guides-grid { grid-template-columns: 1fr; }
  .guide-card:first-child { grid-column: auto; }
  .guide-card, .guide-card:first-child { min-height: 320px; }
  .final-cta { min-height: 500px; padding: 44px 26px; border-radius: 20px; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { flex-direction: column; gap: 10px; }
}

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