:root { color-scheme: light; --paper:#f8f7f3; --ink:#111a1e; --muted:#566069; --accent:#ad4433; --line:#aeb1b1; --soft-line:#d5d6d3; --serif:'Songti SC','STSong','Yu Mincho','Noto Serif CJK SC','SimSun',Georgia,serif; --sans:-apple-system,BlinkMacSystemFont,'PingFang SC','Hiragino Kaku Gothic ProN','Microsoft YaHei',sans-serif; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:28px; }
body { margin:0; color:var(--ink); background:var(--paper); font-family:var(--sans); font-size:17px; line-height:1.75; -webkit-font-smoothing:antialiased; }
a { color:inherit; text-decoration:none; }
a:hover { color:var(--accent); }
button { font:inherit; }
a,button { -webkit-tap-highlight-color:transparent; }
:focus-visible { outline:3px solid var(--accent); outline-offset:5px; }
[hidden] { display:none!important; }
h1,h2,h3,p,figure { margin:0; }
h1,h2,h3 { font-family:var(--serif); font-weight:700; }
.container { width:min(100% - 64px,1200px); margin-inline:auto; }
.site-header { display:flex; align-items:center; justify-content:space-between; gap:24px; padding-block:20px; border-bottom:1px solid var(--line); }
.brand { display:inline-flex; align-items:center; gap:12px; flex:none; }
.brand img { display:block; border-radius:10px; }
.wordmark { font-family:Georgia,'Times New Roman',serif; font-weight:700; letter-spacing:-1.2px; font-size:34px; line-height:1.2; }
.header-tools { display:flex; flex-wrap:wrap; align-items:center; justify-content:flex-end; gap:18px 28px; }
.site-nav { display:flex; align-items:center; flex-wrap:wrap; gap:24px; font-size:15px; }
.site-nav a { padding-block:8px; }
.site-nav .nav-cta { color:var(--accent); border:1px solid var(--accent); border-radius:7px; padding:7px 16px; }
.site-nav .nav-cta:hover { background:#eee4dd; }
.language-switch { display:flex; flex-wrap:wrap; gap:14px; font-size:13px; color:var(--muted); }
.language-switch a { padding-block:7px; }
.language-switch [aria-current=page] { color:var(--ink); text-decoration:underline; text-underline-offset:5px; }
.hero { display:grid; grid-template-columns:minmax(0,1.35fr) minmax(0,1fr); gap:75px; align-items:center; padding-block:68px 80px; }
.hero h1 { font-size:clamp(44px,4.5vw,62px); font-weight:800; line-height:1.3; letter-spacing:-.035em; }
:lang(en) .hero h1 { letter-spacing:-.045em; }
.hero-description { margin-top:25px; max-width:560px; font-size:18px; color:#4b555c; line-height:1.85; }
.hero-actions { display:flex; flex-wrap:wrap; align-items:center; gap:22px 28px; margin-top:32px; }
.button { display:inline-flex; justify-content:center; align-items:center; cursor:pointer; min-height:48px; border-radius:7px; padding:11px 23px; border:1px solid var(--line); }
.button-primary { background:var(--accent); color:white; font-size:17px; border-color:var(--accent); }
.button-primary:hover { background:#90392b; color:white; }
.text-link { display:inline-flex; align-items:center; gap:10px; font-size:16px; font-weight:500; }
.link-arrow { width:20px; height:20px; flex:none; stroke:currentColor; stroke-width:1.7; fill:none; stroke-linecap:round; stroke-linejoin:round; }
.platform-note { color:#646a6e; margin-top:24px; font-size:14px; }
.platform-note span { white-space:nowrap; }
.phone-showcase { justify-self:center; width:min(100%,256px); }
.phone-showcase img { display:block; width:100%; height:auto; border:1px solid #dedad4; border-radius:28px; box-shadow:0 18px 40px #1e232016; }
figcaption { margin-top:14px; color:var(--muted); font-size:12px; line-height:1.6; text-align:center; }
.section-rule { border-bottom:1px solid var(--line); }
.section-number,.step-number { color:var(--accent); font-family:Georgia,serif; font-size:19px; }
.section-heading { font-size:clamp(30px,3vw,40px); line-height:1.4; letter-spacing:-.025em; }
.section-intro { color:#4c575e; font-size:18px; line-height:1.8; margin-top:12px; }
.method { padding-block:32px 62px; }
.method-steps { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:30px; list-style:none; margin:36px 0 0; padding:0; }
.method-steps h3 { font-size:24px; margin-block:7px 10px; }
.method-steps p { font-size:17px; color:var(--muted); }
.product-section { padding-block:62px; }
.product-heading { max-width:700px; margin-bottom:32px; }
.product-grid { display:grid; grid-template-columns:minmax(0,1.1fr) minmax(0,1fr); gap:60px; align-items:center; }
.ipad-showcase { width:min(100%,440px); justify-self:center; }
.ipad-showcase img { display:block; width:100%; height:auto; aspect-ratio:4/3; object-fit:cover; object-position:top; border:1px solid #dedad4; border-radius:17px; box-shadow:0 10px 28px #1e232012; }
.demo-paper { min-width:0; width:100%; max-width:430px; justify-self:center; padding:15px; border:1px solid #bcbdb8; background:#ffffff55; border-radius:10px; }
.demo-inner { min-height:360px; display:flex; flex-direction:column; border:1px solid #dfdfdb; border-radius:7px; padding:20px; }
.demo-label { color:#596167; font-family:var(--sans); font-size:17px; font-weight:500; }
.demo-content { flex:1; display:flex; flex-direction:column; justify-content:center; text-align:center; padding-block:30px; container-type:inline-size; }
.demo-sentence { font-family:'Hiragino Mincho ProN','Yu Mincho',var(--serif); font-size:clamp(24px,13cqi,44px); line-height:1.6; white-space:nowrap; letter-spacing:-.045em; }
#demo-answer .demo-sentence { font-size:clamp(22px,10.5cqi,36px); }
.answer-blank { display:inline-block; width:1.8em; height:.9em; border-bottom:2px solid; margin-inline:.08em; }
.demo-help { color:#687077; font-size:16px; margin-top:22px; line-height:1.7; }
.demo-translation { color:var(--muted); font-size:16px; margin-top:10px; }
.demo-controls { padding-top:16px; border-top:1px solid #dbdcda; }
.button-demo { width:100%; color:#3c464d; background:transparent; padding:9px 12px; font-size:16px; }
.button-demo:hover { background:#efece5; }
.scenarios { display:grid; grid-template-columns:1fr 1.25fr; gap:60px; align-items:center; padding-block:60px; }
.scenario-list { list-style:none; margin:0; padding:0; display:grid; grid-auto-flow:column; grid-template-rows:repeat(5,auto); grid-template-columns:minmax(0,1fr) minmax(0,1fr); column-gap:30px; }
.scenario-list li { display:flex; align-items:baseline; gap:18px; border-bottom:1px solid var(--soft-line); padding:13px 0; font-size:17px; }
.scenario-list li:nth-child(5n) { border-bottom:0; }
.scenario-list span { color:var(--accent); font-family:Georgia,serif; font-size:18px; flex:none; }
.privacy-section { display:grid; grid-template-columns:1fr 1.3fr; gap:60px; padding-block:64px 35px; }
.privacy-list { margin:0 0 20px; }
.privacy-list > div { display:grid; grid-template-columns:180px minmax(0,1fr); gap:20px; padding:20px 0; border-bottom:1px solid var(--soft-line); }
.privacy-list > div:first-child { padding-top:0; }
.privacy-list > div:last-child { border-bottom:0; }
.privacy-list dt { font-family:var(--serif); font-size:21px; font-weight:700; display:flex; gap:20px; align-items:baseline; }
.privacy-list dt span { color:var(--accent); font-family:Georgia,serif; font-size:18px; font-weight:400; flex:none; }
.privacy-list dd { margin:0; color:var(--muted); font-size:17px; }
.accent-link { color:var(--accent); }
.testflight { text-align:center; padding-block:64px 76px; max-width:850px; }
.testflight-note { color:var(--muted); font-size:17px; margin-top:20px; }
.testflight .legal-meta { margin-top:16px; }
.site-footer { display:flex; flex-wrap:wrap; align-items:center; gap:22px; padding-block:24px 34px; border-top:1px solid var(--line); font-size:14px; color:var(--muted); }
.site-footer .wordmark { font-size:29px; color:var(--ink); }
.site-footer .brand img { width:30px; height:30px; border-radius:8px; }
.footer-tagline { flex:1; min-width:170px; }
.site-footer nav { display:flex; flex-wrap:wrap; gap:20px; }
.copyright { white-space:nowrap; }
.skip-link { position:absolute; left:16px; top:-100px; padding:12px 20px; background:var(--ink); color:white; z-index:2; }
.skip-link:focus { top:12px; color:white; }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip-path:inset(50%); white-space:nowrap; border:0; }
/* Shared with the independent privacy and terms document owners. */
.legal-page { padding-block: 66px 90px; }
.legal-page h1 { font-size: clamp(32px, 4vw, 42px); overflow-wrap: anywhere; line-height: 1.3; margin-bottom: 20px; }
.legal-layout { display: grid; grid-template-columns: 210px minmax(0, 850px); gap: 65px; align-items: start; }
.legal-toc { font-size: 16px; line-height: 1.7; }
.legal-toc ol, .legal-toc ul { padding-left: 22px; }
.legal-toc a { display: inline-block; padding-block: 5px; }
.legal-article { min-width: 0; overflow-wrap: anywhere; }
.legal-article h2 { font-size: 30px; line-height: 1.4; margin: 42px 0 16px; }
.legal-article h3 { font-size: 23px; margin: 26px 0 12px; }
.legal-article p, .legal-article ul, .legal-article ol { margin-block: 16px; }
.legal-article a { color: var(--accent); text-decoration: underline; text-underline-offset: 4px; }
.legal-article table { border-collapse: collapse; width: 100%; font-size: 16px; }
.legal-article th, .legal-article td { padding: 12px; border: 1px solid var(--soft-line); text-align: left; vertical-align: top; }
.legal-meta, .legal-note { color: var(--muted); font-size: 16px; }
.legal-note { padding: 20px; border-left: 3px solid var(--accent); background: #f0eee8; }
@media (max-width:1050px) {
 .site-header { align-items:flex-start; }
 .header-tools { gap:8px 20px; }
 .site-nav { gap:18px; }
 .hero { gap:35px; }
 .hero h1 { font-size:48px; }
 .product-grid,.scenarios,.privacy-section { gap:35px; }
 .privacy-list > div { grid-template-columns:1fr; gap:6px; }
 .privacy-list dd { margin-left:40px; }
 .legal-layout { gap:35px; grid-template-columns:180px minmax(0,1fr); }
}
@media (max-width:760px) {
 .container { width:calc(100% - 40px); }
 .site-header { flex-direction:column; gap:15px; }
 .header-tools { width:100%; align-items:flex-start; justify-content:flex-start; }
 .site-nav { gap:8px 16px; font-size:14px; }
 .site-nav .nav-cta { padding:5px 10px; }
 .language-switch { width:100%; gap:20px; }
 .hero { grid-template-columns:1fr; gap:35px; padding-block:44px 50px; }
 .hero h1 { font-size:clamp(36px,6.8vw,40px); line-height:1.35; }
 .hero-description { font-size:17px; margin-top:20px; }
 .hero-actions { gap:20px; margin-top:26px; }
 .button-primary { font-size:16px; padding:11px 18px; }
 .text-link { font-size:15px; }
 .phone-showcase { width:245px; }
 .section-heading { font-size:32px; }
 .section-intro { font-size:17px; }
 .method { padding-block:20px 45px; }
 .method-steps { grid-template-columns:repeat(2,minmax(0,1fr)); gap:28px 23px; margin-top:28px; }
 .method-steps h3 { font-size:22px; }
 .method-steps p { font-size:16px; }
 .product-section { padding-block:45px; }
 .product-grid,.scenarios,.privacy-section { grid-template-columns:1fr; gap:30px; }
 .ipad-showcase { width:min(100%,390px); }
 .demo-inner { min-height:340px; padding:16px; }
 .scenarios,.privacy-section { padding-block:45px; }
 .scenario-list { column-gap:22px; }
 .scenario-list li { gap:12px; font-size:16px; }
 .privacy-list dt { font-size:22px; }
 .testflight { padding-block:35px 55px; }
 .testflight-note { font-size:16px; }
 .site-footer { gap:18px; }
 .footer-tagline { flex-basis:100%; }
 .legal-page { padding-block:40px 60px; }
 .legal-page h1 { font-size:36px; }
 .legal-layout { grid-template-columns:1fr; gap:22px; }
 .legal-toc { border-bottom:1px solid var(--soft-line); padding-bottom:20px; }
 .legal-article { font-size:17px; }
 .legal-article table { font-size:14px; }
 .legal-article th,.legal-article td { padding:8px; }
}
@media (max-width:360px) { .container { width:calc(100% - 32px); } .site-nav { gap:6px 12px; font-size:13px; } .hero h1 { font-size:36px; } .method-steps { grid-template-columns:1fr; } :lang(en) .scenario-list { grid-template-columns:1fr; grid-template-rows:none; grid-auto-flow:row; } }
@media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } }

figcaption a { text-decoration:underline; text-underline-offset:3px; }