:root {
  color: #17212b;
  background: #f4f6f3;
  font-family: "Avenir Next", "Pretendard", "Apple SD Gothic Neo", "Segoe UI", sans-serif;
  font-synthesis: none;
  --ink: #17212b;
  --paper: #f4f6f3;
  --teal: #23b5a5;
  --mint: #d8f3ee;
  --line: #c7d1ce;
  --muted: #617075;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 300px; background: var(--paper); }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 4px; }
img { display: block; max-width: 100%; }
.wrap { width: min(1180px, calc(100% - 64px)); margin-inline: auto; }
.nav { min-height: 92px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-weight: 520; letter-spacing: -.025em; }
.brand img { width: 32px; height: 32px; object-fit: contain; }
nav { display: flex; align-items: center; gap: 30px; font-size: 14px; }
nav a { text-decoration: none; }
.nav-download { border-bottom: 2px solid var(--teal); padding-block: 8px 6px; font-weight: 500; }
.hero { min-height: 640px; display: grid; grid-template-columns: minmax(560px, 1fr) minmax(460px, .9fr); gap: 54px; align-items: center; padding-block: 68px 84px; }
.availability { display: flex; align-items: center; gap: 9px; margin: 0 0 25px; font-size: 13px; color: var(--muted); }
.availability > span:first-child { flex: 0 0 auto; width: 9px; height: 9px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 5px rgba(35,181,165,.13); }
h1 { max-width: 640px; margin: 0; font-size: clamp(44px, 4.1vw, 54px); line-height: 1.08; letter-spacing: -.05em; font-weight: 450; }
h1 span { display: block; white-space: nowrap; }
.lede { max-width: 610px; margin: 30px 0 0; color: var(--muted); font-size: 17px; line-height: 1.75; word-break: keep-all; }
.actions { display: flex; align-items: center; gap: 18px; margin-top: 34px; }
.actions span { color: var(--muted); font-size: 12px; }
.mobile-entry { font-size: 14px; text-decoration-color: var(--teal); }
.primary { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 21px; background: var(--ink); color: white; text-decoration: none; font-weight: 500; box-shadow: 5px 5px 0 var(--teal); }
.primary:focus-visible, a:focus-visible { outline: 3px solid rgba(35,181,165,.4); outline-offset: 4px; }
.unsigned-note { max-width: 520px; margin: 22px 0 0; color: #6e5b35; font-size: 12px; line-height: 1.6; }
.handoff { position: relative; min-height: 455px; }
.machine { position: absolute; width: 330px; min-height: 196px; padding: 28px; background: white; border: 3px solid var(--ink); box-shadow: 10px 10px 0 #cdd6d3; }
.machine-a { top: 20px; left: 0; }
.machine-b { right: 0; bottom: 20px; border-color: var(--teal); box-shadow: 10px 10px 0 #bce7df; }
.machine-label { display: block; color: var(--muted); font-size: 12px; }
.machine p { margin: 42px 0 20px; font-size: 17px; font-weight: 450; letter-spacing: -.02em; }
.machine small { color: var(--muted); }
.route { position: absolute; z-index: 2; left: 34%; top: 48%; width: 40%; display: flex; align-items: center; }
.route i { width: 12px; height: 12px; border-radius: 50%; background: var(--teal); }
.route b { position: relative; flex: 1; height: 4px; overflow: hidden; background: var(--teal); }
.route b::after { content: ""; position: absolute; inset-block: 0; width: 35%; background: white; animation: travel 2s linear infinite; }
@keyframes travel { from { left: -35%; } to { left: 100%; } }
.proof { padding: 110px 0; background: var(--ink); color: white; }
.proof-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 80px; }
.proof h2, .privacy h2 { margin: 0; font-size: clamp(36px, 4.5vw, 58px); line-height: 1.1; letter-spacing: -.05em; font-weight: 450; }
.proof ol { margin: 0; padding: 0; list-style: none; border-top: 1px solid #516068; }
.proof li { display: grid; grid-template-columns: 150px 1fr; gap: 30px; padding: 28px 0; border-bottom: 1px solid #516068; }
.proof li strong { font-weight: 500; }
.proof li span { color: #b9c5c7; line-height: 1.65; }
.privacy { display: grid; grid-template-columns: 260px 1fr; gap: 85px; padding-block: 120px; }
.privacy-mark { aspect-ratio: 1; display: grid; place-items: center; background: var(--teal); }
.privacy-mark img { width: 120px; height: 120px; object-fit: contain; }
.privacy h2 { max-width: 760px; }
.privacy p { max-width: 720px; margin: 27px 0 22px; color: var(--muted); font-size: 17px; line-height: 1.8; }
.final-cta { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding-block: 52px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.final-cta p { margin: 0; font-size: 21px; font-weight: 500; letter-spacing: -.025em; }
.footer { min-height: 140px; display: grid; grid-template-columns: 1fr auto 1fr; gap: 30px; align-items: center; color: var(--muted); font-size: 13px; }
.footer > div:last-child { justify-self: end; display: flex; gap: 22px; }
.legal { width: min(780px, calc(100% - 48px)); margin: 0 auto; padding: 80px 0 120px; }
.legal header { padding-bottom: 44px; border-bottom: 2px solid var(--ink); }
.legal h1 { font-size: clamp(42px, 6vw, 68px); }
.legal .effective { margin: 18px 0 0; color: var(--muted); }
.legal article { padding-top: 28px; }
.legal h2 { margin: 46px 0 12px; font-size: 22px; letter-spacing: -.035em; }
.legal p, .legal li { color: #455459; line-height: 1.8; }
.legal li + li { margin-top: 8px; }
.legal .notice { padding: 18px 20px; background: #e6ece9; border-left: 4px solid var(--teal); }
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .handoff { width: min(620px, 100%); margin-inline: auto; }
  .proof-grid { grid-template-columns: 1fr; }
}
@media (max-width: 650px) {
  .wrap { width: min(100% - 36px, 1180px); }
  .nav { min-height: 76px; }
  nav { gap: 17px; }
  nav > a:not(.nav-download):not(.nav-mobile) { display: none; }
  .hero { padding-block: 62px 78px; gap: 48px; }
  h1 { font-size: clamp(38px, 10.5vw, 52px); }
  h1 span { white-space: normal; }
  .actions { align-items: flex-start; flex-direction: column; }
  .handoff { min-height: 440px; }
  .machine { width: 84%; min-height: 175px; }
  .machine-b { right: 0; }
  .route { left: 25%; width: 53%; }
  .proof { padding-block: 78px; }
  .proof li { grid-template-columns: 95px 1fr; }
  .privacy { grid-template-columns: 1fr; gap: 42px; padding-block: 80px; }
  .privacy-mark { width: 180px; }
  .final-cta { align-items: flex-start; flex-direction: column; }
  .footer { grid-template-columns: 1fr; padding-block: 40px; }
  .footer > div:last-child { justify-self: start; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .route b::after { animation: none; } }