.landing{--lp-paper:#fafafa;--lp-surface:#fff;--lp-ink:#18181b;--lp-ink2:#3f3f46;--lp-muted:#71717a;--lp-faint:#a1a1aa;--lp-acc:#e8590c;--lp-acc-d:#d14f0a;--lp-line:#e8e8ea;--lp-line-s:#d4d4d8;background:var(--lp-paper);color:var(--lp-ink);flex-direction:column;min-height:100vh;font-family:system-ui,-apple-system,Apple SD Gothic Neo,sans-serif;line-height:1.6;display:flex}.landing-wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 24px}.landing a{color:inherit;text-decoration:none}.landing-header{z-index:20;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--lp-line);background:#fafafad9;position:sticky;top:0}.landing-nav{justify-content:space-between;align-items:center;height:64px;display:flex}.landing-logo{background:url(/soseolbi-logo.png) 0/contain no-repeat;width:132px;height:40px;display:block}.landing-nav-right{align-items:center;gap:18px;display:flex}.landing-navlink{color:var(--lp-muted);font-size:14px;font-weight:500}.landing-navlink:hover{color:var(--lp-ink)}.landing-ext{vertical-align:super;opacity:.7;margin-left:2px;font-size:10px}.landing-btn{cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;font-weight:600;transition:background .15s;display:inline-flex}.landing .landing-btn--primary{background:var(--lp-acc);color:#fff;padding:10px 20px;font-size:14.5px}.landing .landing-btn--primary:hover{background:var(--lp-acc-d)}.landing .landing-btn--ghost{background:var(--lp-surface);color:var(--lp-ink2);border:1px solid var(--lp-line-s);padding:9px 18px;font-size:14px}.landing .landing-btn--ghost:hover{background:#f4f4f5}.landing-btn--lg{padding:13px 28px;font-size:15.5px}.landing-hero{padding:96px 0 0}.landing-hero h1{letter-spacing:-.015em;font-size:46px;font-weight:600;line-height:1.5}.landing-sub{color:var(--lp-muted);margin-top:26px;font-size:19px;line-height:1.9}.landing-cta{margin-top:38px}.landing-covers{flex-wrap:wrap;gap:26px;padding:88px 0 96px;display:flex}.landing-cover{border-radius:10px;width:150px;height:206px;padding:15px 14px;position:relative;box-shadow:0 1px 2px #0000000d,0 8px 20px -14px #18181b40}.landing-cover-label{letter-spacing:.12em;color:#1f202380;font-size:10px;font-weight:700}.landing-cover-title{color:#1f2023;letter-spacing:-.015em;margin-top:8px;font-size:15px;font-weight:700;line-height:1.45}.landing-footer{border-top:1px solid var(--lp-line);margin-top:auto;padding:34px 0 30px}.landing-ftop{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:18px;display:flex}.landing-fmark{background:url(/soseolbi-mark.png) 0/contain no-repeat;width:96px;height:26px;margin-bottom:8px;display:block}.landing-ftag{color:var(--lp-muted);font-size:13px}.landing-flinks{color:var(--lp-muted);gap:24px;font-size:13.5px;display:flex}.landing-flinks a:hover{color:var(--lp-ink)}.landing-notice{color:var(--lp-muted);margin-top:18px;font-size:13px;line-height:1.7}.landing-notice .landing-ask{color:var(--lp-acc);text-underline-offset:3px;font-weight:600;text-decoration:underline}.landing-fcopy{color:var(--lp-faint);border-top:1px solid var(--lp-line);margin-top:20px;padding-top:14px;font-size:12px}@media (max-width:820px){.landing-hero{padding-top:64px}.landing-hero h1{font-size:34px}.landing-sub{font-size:16.5px}.landing-covers{gap:16px;padding:56px 0 64px}.landing-cover{width:128px;height:176px}}