:root{--bg:#ffffff;--fg:#14304f;--muted:#5d6b7a;--rule:#e3e8ee;--link:#1a6bb3;--brand:#1764a1;
  --sans:"Montserrat",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}
@media (prefers-color-scheme:dark){:root{--bg:#0e1a26;--fg:#e6edf4;--muted:#9fb0c1;--rule:#24364a;--link:#7db8ec;--brand:#6fa8dc}}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--sans);line-height:1.6}
a{color:var(--link)}
.logo-dark{display:none}
@media (prefers-color-scheme:dark){.logo-light{display:none}.logo-dark{display:inline}}
.home{min-height:100vh;overflow-x:hidden;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  padding:28px max(20px,env(safe-area-inset-left,0px)) 24px max(20px,env(safe-area-inset-right,0px))}
.home img{width:min(400px,70vw);height:auto}
.home h1{margin:28px 0 14px;font-size:clamp(22px,3.2vw,30px);font-weight:600;letter-spacing:-.01em;line-height:1.15}
.home h1 .big{display:block;font-size:1.6em;color:var(--brand);margin-top:6px;margin-bottom:30px}
.home p{margin:0;max-width:34ch;color:var(--muted);font-size:clamp(16px,2.2vw,19px)}
.home .spacer{flex:1}
footer{font-size:13px;color:var(--muted);display:flex;gap:18px;justify-content:center;flex-wrap:wrap;padding:24px 0}
footer a{color:var(--muted)}
.doc{max-width:720px;margin:0 auto;padding:40px max(20px,env(safe-area-inset-left,0px)) 24px max(20px,env(safe-area-inset-right,0px))}
.doc header img{width:150px;height:auto}
.doc h1{font-size:30px;margin:28px 0 4px}
.doc .date{color:var(--muted);font-size:14px;margin:0 0 28px}
.doc h2{font-size:19px;margin:32px 0 6px}
.doc p,.doc li{font-size:16px}
.doc ul{padding-left:22px}
.doc hr{border:0;border-top:1px solid var(--rule);margin:40px 0 0}
.home .flight{width:min(960px,130vw);max-width:none;height:auto;display:block;flex:none;background:transparent;margin:calc(min(960px,130vw) * -0.06) 0 calc(min(960px,130vw) * -0.075);
  -webkit-mask-image:linear-gradient(to right,transparent,#000 4%,#000 96%,transparent),linear-gradient(to bottom,transparent,#000 14%,#000 86%,transparent);
  -webkit-mask-composite:source-in;
  mask-image:linear-gradient(to right,transparent,#000 4%,#000 96%,transparent),linear-gradient(to bottom,transparent,#000 14%,#000 86%,transparent);
  mask-composite:intersect}
@media (prefers-color-scheme:dark){.home .flight{display:none}}