:root{color-scheme:light;--accent:var(--brand-action);--ink:#18191e;--muted:#676b75;--line:#e7e8ec;--page:#fff;font-family:Pretendard,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--page);color:var(--ink)}
button,a{-webkit-tap-highlight-color:transparent}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
.site-header,.site-footer{width:min(1120px,calc(100% - 48px));margin:auto;display:flex;align-items:center;justify-content:space-between}
.site-header{height:76px;border-bottom:1px solid var(--line)}
.site-brand{color:var(--brand-text);font-size:22px;font-weight:900;letter-spacing:-1.5px;line-height:1}
.site-brand span{color:var(--ink)}
.site-return{font-size:14px;font-weight:700;color:var(--muted)}
.site-return span{display:inline-block;margin-left:5px;color:var(--brand-text)}
main{width:min(1120px,calc(100% - 48px));margin:auto}
.intro{min-height:560px;padding:62px 24px 62px 0;display:grid;grid-template-columns:minmax(0,1fr) minmax(290px,410px);gap:72px;align-items:center;border-bottom:1px solid var(--line)}
.intro-copy h1{margin:0 0 22px;font-size:clamp(43px,5vw,68px);font-weight:850;line-height:1.12;letter-spacing:-.055em}
.intro-copy>p{max-width:520px;margin:0;color:var(--muted);font-size:17px;line-height:1.8;word-break:keep-all}
.intro-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.primary-button,.secondary-button{min-height:52px;padding:0 21px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;gap:24px;font-size:15px;font-weight:750;white-space:nowrap}
.primary-button{border:1px solid var(--accent);background:var(--accent);color:#fff}
.primary-button:hover{background:var(--brand-hover)}
.primary-button:disabled{background:#9da1aa;border-color:#9da1aa;cursor:not-allowed}
.secondary-button{border:1px solid #d8dbe2;background:#fff;color:var(--ink)}
.secondary-button:hover{border-color:#aeb3bd}
.primary-button:focus-visible,.secondary-button:focus-visible,.site-return:focus-visible,.site-brand:focus-visible,.site-footer a:focus-visible{outline:3px solid var(--brand-line);outline-offset:3px}
.intro-copy .install-status{min-height:22px;margin-top:16px;font-size:14px;line-height:1.6;color:var(--muted)}
.app-preview{min-height:428px;border-radius:32px;background:#f4f6f9;display:grid;place-items:center;overflow:hidden}
.preview-phone{width:210px;height:390px;padding:19px 17px 12px;border:7px solid #26282e;border-radius:37px;background:linear-gradient(155deg,#edf2f8,#f8f9fc);box-shadow:0 24px 45px rgba(25,28,40,.16);display:flex;flex-direction:column;align-items:center;position:relative}
.preview-top{width:100%;display:flex;justify-content:space-between;color:#2e3139;font-size:14px;font-weight:800}
.preview-icon{width:86px;height:86px;margin-top:93px;border-radius:20px;overflow:hidden;box-shadow:0 8px 17px rgba(42,42,54,.19)}
.preview-icon img{display:block;width:100%;height:100%}
.preview-phone strong{margin-top:9px;font-size:14px;letter-spacing:-.03em}
.preview-home{position:absolute;bottom:11px;left:50%;width:63px;height:4px;transform:translateX(-50%);border-radius:4px;background:#3c414b}
.install-guide{padding:74px 0 40px}
.section-heading h2{margin:0 0 9px;font-size:30px;letter-spacing:-.04em}
.section-heading p{margin:0;color:var(--muted);font-size:15px}
.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;margin-top:40px}
.guide{border-top:2px solid var(--ink);padding-top:22px}
.guide-heading{display:flex;flex-wrap:wrap;align-items:center;gap:13px}
.guide-number{color:var(--brand-text);font-size:14px;font-weight:800}
.guide h3{margin:0;font-size:22px;letter-spacing:-.035em}
.release-badge{margin-left:auto;padding:6px 9px;border-radius:999px;font-size:14px;font-weight:800;line-height:1}
.release-badge.ready{background:#e9f8ee;color:#18763b}
.release-badge.pending{background:#fff3dc;color:#985d00}
.guide ol{margin:24px 0 18px;padding-left:23px;color:#30333a;font-size:15px;line-height:2}
.guide li{padding-left:3px;word-break:keep-all}
.guide p{margin:0;color:var(--muted);font-size:14px;line-height:1.8;word-break:keep-all}
.guide code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:14px}
.qr-install{display:grid;grid-template-columns:132px minmax(0,1fr);gap:20px;align-items:center;margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}
.qr-code{width:132px;height:132px;padding:8px;border:1px solid #dfe1e6;border-radius:14px;background:#fff;display:grid;place-items:center}
.qr-code canvas{display:block!important;width:116px!important;height:116px!important;image-rendering:pixelated}
.qr-code img{display:none!important}
.qr-copy{min-width:0;display:flex;flex-direction:column;align-items:flex-start}
.qr-copy strong{font-size:15px;line-height:1.4}
.qr-copy>span{margin-top:7px;color:var(--muted);font-size:14px;line-height:1.65;word-break:keep-all}
.qr-copy a{margin-top:14px;color:var(--brand-text);font-size:14px;font-weight:750;text-decoration:none}
.qr-copy a:hover{text-decoration:underline}
.qr-copy a:focus-visible{outline:3px solid var(--brand-line);outline-offset:3px}
.qr-install.is-disabled{background:#fafafa;border-radius:14px;padding:20px 14px}.qr-install.is-disabled .qr-code{filter:grayscale(1);opacity:.72}
.qr-local-notice{margin:34px 0 0;padding:16px 20px;border:1px solid var(--brand-line);border-radius:12px;background:#fff5f3;color:#a8372f;font-size:14px;line-height:1.7;word-break:keep-all}
.availability-note{margin:0 0 80px;padding:18px 22px;background:#f7f8fa;border-radius:12px;color:#666b74;font-size:14px;line-height:1.6}
.site-footer{min-height:72px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}
.site-footer a{color:var(--ink);font-weight:700}
@media(max-width:720px){.site-header,.site-footer,main{width:calc(100% - 40px)}.site-header{height:66px}.site-brand{font-size:19px}.site-return{font-size:14px}.intro{min-height:0;padding:56px 0 50px;grid-template-columns:1fr;gap:40px}.intro-copy h1{font-size:42px}.intro-copy>p{font-size:15px}.intro-actions{margin-top:28px}.primary-button,.secondary-button{font-size:14px}.app-preview{min-height:340px;border-radius:24px}.preview-phone{transform:scale(.78)}.install-guide{padding:56px 0 35px}.section-heading h2{font-size:25px}.guide-grid{grid-template-columns:1fr;gap:35px;margin-top:32px}.qr-install{grid-template-columns:116px minmax(0,1fr);gap:16px}.qr-code{width:116px;height:116px}.qr-code canvas{width:100px!important;height:100px!important}.availability-note{margin-bottom:55px}}
@media(max-width:380px){.intro-actions{display:grid;grid-template-columns:1fr}.primary-button,.secondary-button{width:100%}.intro-copy h1{font-size:37px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}