.nb-signin{isolation:isolate;background:var(--color-ink-2);grid-template-rows:auto 1fr;min-height:100dvh;display:grid;position:relative}.nb-signin-theme{z-index:2;position:absolute;top:12px;right:clamp(16px,3vw,28px)}.nb-signin-hero{isolation:isolate;background:var(--color-ink);color:var(--color-fg);border-bottom:1px solid var(--color-line);flex-direction:column;gap:12px;max-height:120px;padding:14px 16px 16px;display:flex;position:relative;overflow:hidden}.nb-signin-traces{z-index:-1;width:100%;height:100%;color:var(--color-fg);pointer-events:none;position:absolute;inset:0;-webkit-mask-image:radial-gradient(120% 90% at 85% 15%,#000 0,#000000bf 45%,#00000040 100%);mask-image:radial-gradient(120% 90% at 85% 15%,#000 0,#000000bf 45%,#00000040 100%)}.nb-signin-traces.is-panel{display:none}.nb-signin-traces.is-strip{-webkit-mask-image:linear-gradient(90deg,#0000 30%,#000 72%);mask-image:linear-gradient(90deg,#0000 30%,#000 72%)}.nb-signin-hero-top{align-items:center;min-height:28px;display:flex}.nb-signin-hero-copy{min-width:0}.nb-signin-h1{font-family:var(--font-display);letter-spacing:-.015em;font-feature-settings:"cv11";color:var(--color-fg);text-wrap:balance;-webkit-line-clamp:2;-webkit-box-orient:vertical;max-width:34ch;font-size:19px;font-weight:560;line-height:1.2;display:-webkit-box;overflow:hidden}.nb-signin-proof{display:none}.nb-signin-side{place-items:center;min-width:0;padding:clamp(24px,6vh,72px) 16px;display:grid;position:relative}.nb-signin-card{width:100%;max-width:420px}@media (min-width:1024px){.nb-signin{grid-template-rows:none;grid-template-columns:56fr 44fr}.nb-signin-hero{border-bottom:0;border-right:1px solid var(--color-line);justify-content:space-between;gap:40px;height:100dvh;min-height:100dvh;max-height:none;padding:28px clamp(40px,4.5vw,72px) clamp(48px,9vh,96px);position:sticky;top:0}.nb-signin-hero-top{min-height:36px}.nb-signin-traces.is-panel{display:block}.nb-signin-traces.is-strip{display:none}.nb-signin-h1{letter-spacing:-.025em;-webkit-line-clamp:unset;max-width:13.5em;font-size:40px;line-height:1.08;display:block;overflow:visible}.nb-signin-proof{gap:10px;max-width:52ch;margin-top:28px;display:grid}.nb-signin-proof li{color:var(--color-muted);align-items:flex-start;gap:10px;font-size:13px;line-height:1.5;display:flex}.nb-signin-proof svg{color:var(--color-faint);flex:none;margin-top:3px}.nb-signin-side{padding:72px clamp(24px,4vw,56px)}}@media (min-width:1440px){.nb-signin-h1{font-size:42px}}@media (min-width:1024px) and (max-height:860px){.nb-signin-side{padding-top:56px;padding-bottom:20px}.nb-signin-card{padding:24px}}.nb-signin-h1:is(:lang(ko),:lang(ja)){letter-spacing:0;line-height:1.3}.nb-signin-h1:lang(ko){word-break:keep-all;overflow-wrap:break-word}@media (min-width:1024px){.nb-signin-h1:is(:lang(ko),:lang(ja)){line-height:1.22}}