@font-face {
  font-family: Sora;
  src: url('/assets/fonts/sora-latin.woff2') format('woff2');
  font-weight: 100 800;
  font-style: normal;
  font-display: swap;
}
:root {
  color-scheme: light;
  /* Blue and cyan are sampled from the supplied gradient @ logo. */
  --brand: #0066ff;
  --brand-hover: #0054e8;
  --brand-blue: #0078fe;
  --brand-cyan: #00b1fe;
  --brand-highlight: #71ecfe;
  --paper: #fbfdff;
  --ink: #182d49;
  --muted: #576b83;
  --quiet: #60738b;
  --line: #dfe8f5;
  --soft: #eef5ff;
  --night: #102d59;
  --night-muted: #bdcfe7;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans', 'Microsoft YaHei', sans-serif;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-size: 16px; line-height: 1.75; }
html[lang='ja'] body { font-family: -apple-system, BlinkMacSystemFont, 'Hiragino Kaku Gothic ProN', 'Yu Gothic', 'Meiryo', sans-serif; }
a { color: inherit; text-underline-offset: 5px; }
a:hover { color: var(--brand-hover); }
a:focus-visible { outline: 2px solid var(--brand); outline-offset: 5px; border-radius: 3px; }
img { max-width: 100%; height: auto; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 560; }
.wrap { width: min(900px, calc(100% - 48px)); margin-inline: auto; }
.squircle { border-radius: 22px; }
@supports (corner-shape: squircle) { .squircle { corner-shape: squircle; border-radius: 36px; } }
.skip-link { position: absolute; z-index: 10; top: 10px; left: 16px; transform: translateY(-160%); padding: 8px 16px; background: white; }
.skip-link:focus { transform: translateY(0); }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 96px; }
.brand { display: inline-flex; flex-shrink: 0; align-items: center; gap: 10px; text-decoration: none; }
.brand img { display: block; width: 40px; height: 40px; }
.wordmark { font-family: Sora, sans-serif; font-size: 22px; line-height: 1; font-weight: 620; letter-spacing: -1.1px; }
.brand-cn { margin-left: 1px; color: var(--quiet); font-size: 11px; letter-spacing: .08em; }
.site-nav { display: flex; align-items: center; gap: 25px; margin-left: auto; color: var(--muted); font-size: 12px; }
.site-nav > a, .footer-links a { text-decoration: none; }
.language-switch { display: inline-flex; flex-shrink: 0; align-items: center; gap: 3px; padding: 3px; border: 1px solid var(--line); border-radius: 8px; line-height: 1.5; }
.language-switch a { padding: 5px 8px; color: var(--quiet); font-size: 11px; white-space: nowrap; text-decoration: none; border-radius: 5px; }
.language-switch a:hover { color: var(--brand-hover); background: var(--soft); }
.language-switch a[aria-current='page'] { background: #fff; color: var(--brand-hover); box-shadow: 0 1px 4px #1b4f9810; }
.eyebrow { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 11px; font-weight: 500; line-height: 1.7; letter-spacing: .09em; }
.tiny-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--brand-blue); box-shadow: 0 0 0 4px #0078fe0c; }
.hero { display: grid; position: relative; isolation: isolate; grid-template-columns: minmax(0, 1fr) 280px; align-items: center; gap: 48px; padding: 70px 0 66px; }
.hero h1 { margin: 22px 0; font-size: clamp(46px, 5.3vw, 62px); line-height: 1.21; letter-spacing: -.045em; font-weight: 580; }
/* Keep the headline gradient dark enough to read on the pale background. */
.hero h1 span { color: var(--brand-hover); }
@supports (background-clip: text) or (-webkit-background-clip: text) {
  .hero h1 span { background: linear-gradient(110deg, #0054e8 8%, #0070ed 60%, #087db8 100%); background-clip: text; -webkit-background-clip: text; color: transparent; }
}
.hero::before { content: ''; position: absolute; z-index: -1; pointer-events: none; inset: 24px -24px 10px 40%; background: radial-gradient(ellipse at 75% 42%, #71ecfe16, #0078fe07 40%, transparent 70%); }
.hero .lede { max-width: 450px; color: var(--muted); font-size: 15px; line-height: 1.95; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 23px; margin-top: 28px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 25px; padding: 11px 18px; color: #fff; background: var(--brand); box-shadow: 0 5px 15px -5px #0066ff55; transition: background-color .18s ease, box-shadow .18s ease; font-size: 13px; font-weight: 500; line-height: 1.8; text-decoration: none; border-radius: 10px; }
.button:hover { color: #fff; background: var(--brand-hover); box-shadow: 0 7px 20px -5px #0066ff66; }
.button span { font-size: 17px; line-height: 1; }
.text-link { color: var(--brand-hover); font-size: 12px; }
.platform-note { margin-top: 23px; color: var(--quiet); font-size: 10px; letter-spacing: .02em; }
.hero-art { display: flex; flex-direction: column; align-items: center; gap: 0; padding-top: 9px; }
.hero-icon { display: block; width: 280px; mix-blend-mode: multiply; }
.preview-label { padding: 4px 10px; border: 1px solid var(--line); background: var(--soft); border-radius: 5px; color: var(--quiet); font-size: 10px; letter-spacing: .04em; }
html[lang='en'] .hero h1 { font-size: clamp(46px, 5.5vw, 68px); line-height: 1.08; letter-spacing: -.065em; }
html[lang='ja'] .hero h1 { font-size: clamp(34px, 4vw, 46px); line-height: 1.4; letter-spacing: -.055em; }
.product-figure { margin: 0; }
.app-screenshot { display: block; width: 100%; border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 18px 48px -24px #174d9c35; }
figcaption { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 17px; color: var(--quiet); font-size: 10px; letter-spacing: .03em; }
.caption-line { width: 15px; height: 1px; background: #83b5ef; }
.section-space { padding-block: 94px; }
.section-intro { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 70px; }
.section-intro h2, .testing-section h2 { margin-top: 18px; font-size: 34px; font-weight: 540; line-height: 1.45; letter-spacing: -.045em; }
.section-copy { max-width: 340px; margin-bottom: 4px; color: var(--muted); font-size: 13px; line-height: 1.95; }
.feature-list { margin-top: 38px; }
.feature-row { display: grid; grid-template-columns: 32px 230px minmax(0, 1fr); align-items: start; gap: 27px; padding-block: 27px; border-top: 1px solid var(--line); }
.row-number { padding-top: 3px; color: var(--quiet); font-family: Sora, sans-serif; font-size: 10px; font-variant-numeric: tabular-nums; }
.feature-row h3, .choice-row h3 { font-size: 15px; font-weight: 520; line-height: 1.7; }
.feature-row p { color: var(--muted); font-size: 13px; line-height: 1.95; }
.optional { padding: 43px 42px 30px; background: linear-gradient(125deg, var(--night), #0c2245); color: #f5f9ff; }
.optional a:focus-visible { outline-color: var(--brand-highlight); }
.optional .eyebrow { color: var(--brand-highlight); font-size: 10px; }
.optional .section-intro { gap: 45px; }
.optional h2 { font-size: 32px; }
.optional .section-copy { color: var(--night-muted); font-size: 12px; line-height: 1.95; }
.choice-list { margin-top: 33px; }
.choice-row { display: grid; grid-template-columns: 24px 178px minmax(0, 1fr); gap: 22px; padding-block: 24px; border-top: 1px solid #c0dcff24; }
.choice-row .row-number { color: #8db5e7; }
.choice-row h3 { font-size: 14px; }
.choice-row p { color: var(--night-muted); font-size: 13px; line-height: 1.95; }
.optional-foot { padding-top: 22px; border-top: 1px solid #c0dcff24; color: var(--night-muted); font-size: 11px; line-height: 1.9; }
.optional-foot a:hover { color: var(--brand-highlight); }
.optional-foot a { display: inline-block; margin-left: 5px; color: #dcecff; }
.compatibility .section-intro { align-items: start; }
.provider-block { padding-top: 4px; }
.providers { display: flex; flex-wrap: wrap; gap: 11px 22px; margin: 0 0 23px; padding: 0 0 23px; list-style: none; border-bottom: 1px solid var(--line); }
.providers li { color: #244c7d; font-family: Sora, sans-serif; font-size: 15px; font-weight: 460; letter-spacing: -.5px; }
.provider-block > p { color: var(--muted); font-size: 11px; line-height: 1.95; }
.testing-section { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; padding-block: 45px 85px; border-top: 1px solid var(--line); }
.testing-section h2 { font-size: 29px; line-height: 1.55; }
.testing-copy { padding-top: 5px; }
.testing-copy > p { color: var(--muted); font-size: 12px; line-height: 1.95; }
.contact-link { color: var(--brand-hover); display: inline-block; margin-top: 21px; font-size: 13px; font-weight: 500; }
.testing-copy .status-note { margin-top: 16px; color: var(--quiet); font-size: 10px; }
.site-footer { display: flex; align-items: start; justify-content: space-between; gap: 28px; padding-block: 25px 32px; border-top: 1px solid var(--line); color: var(--quiet); font-size: 10px; }
.footer-copy p + p { margin-top: 4px; font-size: 10px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 21px; }
.policy-header { padding-block: 56px 44px; }
.policy-header h1 { margin: 15px 0; font-size: 44px; line-height: 1.3; letter-spacing: -.045em; font-weight: 550; }
.policy-header .lede { max-width: 650px; color: var(--muted); font-size: 14px; }
.muted { color: var(--muted); }
.small { font-size: 11px; margin-top: 7px; }
.policy-layout { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 45px; padding-bottom: 75px; }
.policy-toc { align-self: start; position: sticky; top: 28px; padding-top: 10px; }
.policy-toc ol, .policy-toc ul { padding: 0; margin: 12px 0 0; list-style: none; }
.policy-toc a:hover { color: var(--brand-hover); }
.policy-toc a { display: block; padding-block: 5px; color: var(--muted); font-size: 11px; line-height: 1.8; text-decoration: none; }
.policy-body { min-width: 0; color: #4e627b; font-size: 13px; line-height: 1.95; overflow-wrap: anywhere; }
.policy-body h2 { margin: 38px 0 16px; color: var(--ink); font-size: 21px; font-weight: 550; line-height: 1.5; letter-spacing: -.035em; }
.policy-body h3 { margin: 25px 0 12px; color: var(--ink); font-size: 16px; }
.policy-body p + p { margin-top: 16px; }
.policy-body ul { margin-block: 15px 20px; padding-left: 20px; }
.policy-body li + li { margin-top: 7px; }
.policy-body strong { color: var(--ink); font-weight: 600; }
.policy-body a { color: var(--brand-hover); }
.policy-summary { padding: 22px 24px; margin-bottom: 30px; background: var(--soft); }
.policy-summary h2 { margin-top: 0; }
.controls-table { margin-block: 22px; overflow-x: auto; }
.controls-table table { width: 100%; border-collapse: collapse; text-align: left; font-size: 11px; line-height: 1.9; }
.controls-table th, .controls-table td { padding: 13px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.controls-table th { color: var(--ink); font-weight: 550; background: var(--soft); }
.controls-table th:first-child, .controls-table td:first-child { width: 28%; }
@media (max-width: 760px) {
  .hero { grid-template-columns: minmax(0, 1fr) 180px; gap: 35px; padding-block: 50px; }
  .hero-icon { width: 180px; }
  .hero h1 { font-size: 48px; }
  html[lang='en'] .hero h1 { font-size: 53px; }
  html[lang='ja'] .hero h1 { font-size: 35px; }
  .site-header { gap: 16px; }
  .site-nav { gap: 17px; }
  .section-intro, .testing-section { gap: 35px; }
  .feature-row { grid-template-columns: 25px 185px minmax(0, 1fr); gap: 20px; }
  .optional { padding-inline: 29px; }
  .choice-row { grid-template-columns: 22px 145px minmax(0, 1fr); gap: 16px; }
  .policy-layout { grid-template-columns: 145px minmax(0, 1fr); gap: 30px; }
}
@media (max-width: 620px) {
  .wrap { width: calc(100% - 40px); }
  .site-header { flex-wrap: wrap; gap: 18px 12px; padding-block: 22px 14px; }
  .site-header .site-nav { flex-basis: 100%; justify-content: space-between; gap: 17px; }
  .site-header > .language-switch { margin-left: auto; }
  .site-header:has(> .language-switch) .site-nav { flex-basis: auto; }
  .brand .wordmark { font-size: 21px; }
  .brand-cn { font-size: 10px; }
  .hero { grid-template-columns: minmax(0, 1fr); gap: 22px; padding-block: 33px 45px; }
  .hero-art { grid-row: 1; flex-direction: row; justify-content: flex-start; gap: 17px; padding: 0; }
  .hero::before { inset: 0; }
  .hero-icon { width: 72px; }
  .hero-art .preview-label { font-size: 10px; }
  .hero h1 { margin-block: 20px; font-size: 45px; }
  html[lang='en'] .hero h1 { font-size: 55px; }
  html[lang='ja'] .hero h1 { font-size: clamp(29px, 7vw, 39px); }
  .hero .lede { font-size: 14px; line-height: 1.95; }
  .hero-actions { gap: 19px; }
  .platform-note { font-size: 10px; }
  .app-screenshot { border-radius: 7px; }
  figcaption { font-size: 10px; text-align: center; }
  .section-space { padding-block: 66px; }
  .section-intro, .testing-section { grid-template-columns: minmax(0, 1fr); gap: 23px; }
  .section-intro h2 { font-size: 30px; }
  .section-copy { max-width: none; }
  .feature-list { margin-top: 28px; }
  .feature-row { grid-template-columns: 24px minmax(0, 1fr); gap: 7px 16px; padding-block: 24px; }
  .feature-row p { grid-column: 2; }
  .optional { padding: 29px 23px 24px; }
  .optional .section-intro { gap: 21px; }
  .optional h2 { font-size: 28px; }
  .choice-row { grid-template-columns: 20px minmax(0, 1fr); gap: 7px 12px; }
  .choice-row p { grid-column: 2; }
  .optional-foot a { margin: 5px 0 0; }
  .providers { margin-bottom: 17px; padding-bottom: 17px; }
  .testing-section { padding-block: 32px 55px; }
  .testing-section h2 { font-size: 28px; }
  .site-footer { flex-direction: column; gap: 17px; padding-block: 22px 28px; }
  .policy-header { padding-block: 40px 30px; }
  .policy-header h1 { font-size: 34px; }
  .policy-layout { grid-template-columns: minmax(0, 1fr); gap: 32px; padding-bottom: 50px; }
  .policy-toc { position: static; padding: 19px; background: var(--soft); border-radius: 10px; }
  .policy-toc ol { columns: 2; column-gap: 20px; }
  .policy-toc a { font-size: 10px; }
  .policy-toc li { break-inside: avoid; }
  .policy-body { font-size: 13px; }
  .controls-table table { font-size: 11px; min-width: 420px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .button { transition: none; } }