:root {
  --ink: #07111f;
  --ink-soft: #101d2f;
  --paper: #f6f8fc;
  --frost: #eaf1fb;
  --white: #ffffff;
  --muted: #657287;
  --line: rgba(7, 17, 31, 0.13);
  --blue: #2f6df6;
  --blue-dark: #1d4fd7;
  --focus-on-light: #1747b8;
  --focus-on-dark: #8ab0ff;
  --radius-md: 18px;
  --ease: cubic-bezier(.2, .8, .2, 1);
  color-scheme: light;
  font-family: "Hiragino Sans", "Yu Gothic UI", "Yu Gothic", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--ink); }
body { margin: 0; color: var(--ink); background: var(--paper); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img { display: block; height: auto; max-width: 100%; }
button, input { font: inherit; }

.section-frame {
  width: 100%;
  max-width: 1320px;
  margin-inline: auto;
  padding-inline: clamp(24px, 6vw, 96px);
}

.site-header { color: white; background: var(--ink); border-bottom: 1px solid rgba(255,255,255,.1); }
.header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-weight: 780; letter-spacing: -.03em; }
.brand img { border-radius: 11px; }
.brand small { margin-left: 6px; color: #91a1b9; font-size: .62em; letter-spacing: .14em; }
.site-header nav { display: flex; align-items: center; gap: clamp(16px, 3vw, 36px); font-size: 13px; }
.site-header nav a { text-decoration: none; color: #c8d2e1; }
.site-header .nav-cta { padding: 11px 16px; border-radius: 999px; color: white; background: var(--blue); font-weight: 750; }

.hero { color: white; background: var(--ink); }
.hero-inner {
  min-height: 760px;
  padding-block: clamp(96px, 8vw, 120px);
  display: grid;
  grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr);
  align-items: center;
  gap: clamp(64px, 6vw, 80px);
}
.hero-copy { min-width: 0; padding: 0; position: relative; z-index: 2; }
.eyebrow { margin: 0 0 22px; color: #80a8ff; font-size: 11px; font-weight: 800; letter-spacing: .17em; }
.hero h1 { max-width: 620px; margin: 0; font-size: clamp(48px, 4.2vw, 56px); line-height: 1.02; letter-spacing: -.06em; }
.hero-lead { max-width: 38em; margin: 30px 0; color: #c2cede; font-size: 17px; line-height: 1.9; }
.download-actions { max-width: 520px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.store-install-action { min-width: 0; display: grid; align-content: start; justify-items: start; gap: 7px; }
.store-install-action ms-store-badge { min-height: 52px; display: block; }
.store-install-action ms-store-badge::part(img) { width: auto; max-width: 100%; height: 52px; }
.store-page-fallback { color: #9cacc0; font-size: 11px; line-height: 1.5; text-underline-offset: 3px; }
.store-page-fallback:hover { color: white; }
.download-button { min-height: 52px; padding: 15px 18px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid transparent; border-radius: 13px; color: white; background: var(--blue); text-align: center; text-decoration: none; font-weight: 800; box-shadow: 0 16px 35px rgba(47,109,246,.24); transition: background .18s var(--ease), border-color .18s var(--ease), transform .18s var(--ease), box-shadow .18s var(--ease); }
.download-button:hover { background: var(--blue-dark); box-shadow: 0 18px 38px rgba(47,109,246,.34); transform: translateY(-1px); }
.site-header .nav-cta:hover { background: var(--blue-dark); }
.hero-note { max-width: 42em; margin: 13px 0 0; color: #8697ad; font-size: 12px; line-height: 1.7; }
.hero-product { min-width: 0; margin: 0; padding: 0; display: grid; align-content: center; background: radial-gradient(circle at 60% 44%, rgba(47,109,246,.24), transparent 54%); }
.hero-product img { width: min(800px, 100%); max-width: 100%; justify-self: center; object-fit: contain; filter: drop-shadow(0 35px 55px rgba(0,0,0,.32)); }
.hero-product figcaption { margin: 12px 0 0; color: #7d8da4; font-size: 11px; text-align: center; }

.claim-strip { background: white; border-bottom: 1px solid var(--line); }
.claim-inner { display: grid; grid-template-columns: repeat(3, 1fr); }
.claim-inner p { min-width: 0; margin: 0; padding: 32px clamp(18px, 3vw, 42px); display: grid; gap: 7px; border-right: 1px solid var(--line); }
.claim-inner p:first-child { padding-left: 0; }
.claim-inner p:last-child { padding-right: 0; border-right: 0; }
.claim-inner strong { font-size: 15px; }
.claim-inner span { color: var(--muted); font-size: 12px; line-height: 1.6; }

.account-proof { background: var(--frost); }
.account-inner { padding-block: clamp(112px, 10vw, 144px); display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr); align-items: center; gap: clamp(64px, 7vw, 96px); }
.account-inner figure { min-width: 0; margin: 0; }
.account-inner img { width: min(720px, 100%); object-fit: contain; filter: drop-shadow(0 28px 44px rgba(7,17,31,.16)); }
.account-copy { min-width: 0; }
.account-proof h2, .product-bridge h2, .download h2 { margin: 0; font-size: clamp(40px, 4.2vw, 58px); line-height: 1.08; letter-spacing: -.06em; }
.account-copy > p:last-child { max-width: 34em; margin: 28px 0 0; color: #4d5b6e; line-height: 1.9; }

.product-bridge { color: white; background: var(--ink-soft); }
.bridge-inner { padding-block: clamp(112px, 10vw, 144px); display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 28px clamp(64px, 7vw, 96px); }
.product-bridge dl { margin: 0; }
.product-bridge dl > div { padding: 24px 0; display: grid; grid-template-columns: 150px minmax(0, 1fr) auto; align-items: center; gap: 24px; border-bottom: 1px solid rgba(255,255,255,.13); }
.product-bridge dt { font-weight: 800; }
.product-bridge dd { margin: 0; color: #aab8ca; }
.product-bridge .price { color: white; font-weight: 850; }
.bridge-inner > a { grid-column: 2; justify-self: start; color: #a8c2ff; }

.download { padding-block: clamp(112px, 10vw, 144px); background: var(--paper); }
.download-inner { max-width: 1080px; text-align: center; }
.download-heading { display: grid; justify-items: center; gap: 18px; }
.download-heading img { border-radius: 14px; }
.download h2 { font-size: clamp(36px, 4vw, 56px); }
.download-heading p { max-width: 38em; margin: 14px auto 0; color: var(--muted); line-height: 1.8; }
.download-platforms { margin: 48px auto 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; text-align: left; }
.download-platform { min-width: 0; padding: clamp(24px, 3vw, 36px); border: 1px solid #cdd6e3; border-radius: var(--radius-md); background: white; }
.download-platform__label { margin: 0 0 12px; color: var(--blue); font-size: 11px; font-weight: 850; letter-spacing: .16em; }
.download-platform h3 { margin: 0; font-size: 24px; letter-spacing: -.04em; }
.download-platform > p:not(.download-platform__label) { min-height: 3.2em; margin: 10px 0 22px; color: #4d5b6e; font-size: 14px; line-height: 1.6; }
.download-platform .download-button { width: 100%; }
.download-platform .store-page-fallback { color: #526174; }
.download-platform .store-page-fallback:hover { color: var(--ink); }

footer { color: #8998ac; background: var(--ink); font-size: 12px; }
.footer-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
footer a { color: inherit; }

[data-reveal] { transition: opacity .55s ease, transform .55s ease; }
.js [data-reveal]:not(.is-in) { opacity: 0; transform: translateY(18px); }
:focus-visible { outline: 3px solid var(--focus-on-light); outline-offset: 3px; }
.site-header :focus-visible,
.hero :focus-visible,
.product-bridge :focus-visible,
footer :focus-visible { outline-color: var(--focus-on-dark); }

@media (max-width: 990px) {
  .site-header nav > a:not(.nav-cta) { display: none; }
  .hero-inner, .account-inner, .bridge-inner { grid-template-columns: 1fr; }
  .hero-inner { min-height: 0; padding-block: 88px; gap: 56px; }
  .hero-copy { max-width: 680px; }
  .hero-product { width: 100%; max-width: 800px; justify-self: center; }
  .account-inner { padding-block: 96px; gap: 48px; }
  .account-inner figure { order: 2; }
  .account-inner img { margin-inline: auto; }
  .account-copy { max-width: 680px; }
  .bridge-inner { padding-block: 96px; gap: 40px; }
  .bridge-inner > a { grid-column: 1; }
  .download { padding-block: 96px; }
}

@media (max-width: 620px) {
  .section-frame { padding-inline: 24px; }
  .header-inner { min-height: 66px; padding-inline: 18px; gap: 12px; }
  .brand { gap: 8px; font-size: 14px; }
  .brand img { width: 36px; height: 36px; }
  .site-header .nav-cta { padding: 10px 12px; font-size: 11px; }
  .hero-inner { padding-block: 72px 64px; gap: 48px; }
  .hero h1 { font-size: clamp(36px, 11vw, 52px); }
  .hero-lead { margin-block: 24px; font-size: 15px; }
  .download-actions { grid-template-columns: 1fr; }
  .download-button { min-height: 48px; }
  .claim-inner { grid-template-columns: 1fr; }
  .claim-inner p, .claim-inner p:first-child, .claim-inner p:last-child { padding: 24px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .claim-inner p:last-child { border-bottom: 0; }
  .account-inner, .bridge-inner { padding-block: 72px; }
  .account-proof h2, .product-bridge h2 { font-size: clamp(36px, 10vw, 48px); }
  .product-bridge dl > div { grid-template-columns: minmax(0, 1fr) auto; gap: 8px 18px; }
  .product-bridge dd:not(.price) { grid-column: 1 / -1; }
  .download { padding-block: 72px; }
  .download h2 { font-size: clamp(34px, 9.5vw, 46px); }
  .download-platforms { margin-top: 40px; grid-template-columns: 1fr; }
  .download-platform > p:not(.download-platform__label) { min-height: 0; }
  .footer-inner { min-height: 72px; }
}

@media (max-width: 360px) {
  .brand small { display: none; }
}

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