:root{
  --w:#FFFFFF; --s1:#FAFAFA; --s2:#F3F4F6; --b:#E5E7EB; --b2:#D2D6DC;
  --t1:#14161B; --t2:#4F555F; --t3:#868D97; --blue:#2A5BD7; --green:#0F7A52;
  --f:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --m:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{background:var(--w);color:var(--t1);font-family:var(--f);font-size:15.5px;line-height:1.68;overflow-x:hidden;-webkit-font-smoothing:antialiased}
.wrap{max-width:760px;margin:0 auto;padding:0 24px}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}

header{border-bottom:1px solid var(--b);background:rgba(255,255,255,.92);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:58px;max-width:1100px}
.brand{display:flex;align-items:center;gap:9px;color:var(--t1);font-weight:600;font-size:.99rem;letter-spacing:-.025em;text-decoration:none}
.brand:hover{text-decoration:none}
.brand .g{width:22px;height:22px;border-radius:6px;background:var(--blue);flex:none;position:relative}
.brand .g::after{content:"";position:absolute;left:5px;top:5.5px;width:10px;height:10px;border:1.7px solid #fff;border-radius:2px;border-right-color:transparent;transform:rotate(-45deg)}
.back{font-size:.86rem;color:var(--t2);text-decoration:none}
.back:hover{color:var(--t1);text-decoration:none}

main{padding:52px 0 74px}
h1{font-weight:600;font-size:clamp(1.7rem,4vw,2.2rem);letter-spacing:-.025em;line-height:1.15;margin-bottom:10px}
.updated{font-size:.84rem;color:var(--t3);padding-bottom:22px;margin-bottom:32px;border-bottom:1px solid var(--b)}
h2{font-weight:600;font-size:1.1rem;letter-spacing:-.015em;line-height:1.35;margin:34px 0 10px}
h2:first-of-type{margin-top:0}
h3{font-size:.97rem;font-weight:600;margin:20px 0 7px}
p,li{color:var(--t2)}
p{margin-bottom:13px}
ul,ol{margin:0 0 16px 20px}
li{margin-bottom:7px;padding-left:3px}
li::marker{color:var(--t3)}
strong{color:var(--t1);font-weight:600}

.box{background:var(--s1);border:1px solid var(--b);border-left:3px solid var(--blue);border-radius:6px;padding:18px 20px;margin:22px 0}
.box p:last-child{margin-bottom:0}
.box.warn{border-left-color:#B45309}

table{width:100%;border-collapse:collapse;margin:20px 0;font-size:.89rem;display:block;overflow-x:auto}
th,td{text-align:left;padding:11px 18px 11px 0;border-bottom:1px solid var(--b);vertical-align:top}
thead tr{border-top:1px solid var(--b)}
th{color:var(--t3);font-weight:500;font-size:.86rem;white-space:nowrap}
td{color:var(--t2)}

.cardrow{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:22px 0}
@media(max-width:640px){.cardrow{grid-template-columns:1fr}}
.ccard{border:1px solid var(--b);border-radius:9px;padding:18px 20px;background:#fff}
.ccard h3{margin:0 0 6px}
.ccard p{margin-bottom:0;font-size:.92rem}

footer{border-top:1px solid var(--b);padding:34px 0 30px;font-size:.86rem;margin-top:20px}
footer .wrap{max-width:1100px}
.flinks{display:flex;flex-wrap:wrap;gap:6px 22px;padding-bottom:18px;margin-bottom:18px;border-bottom:1px solid var(--b)}
.flinks a{color:var(--t2);font-size:.87rem;text-decoration:none}
.flinks a:hover{color:var(--t1)}
footer p{font-size:.79rem;color:var(--t3);margin-bottom:8px;line-height:1.7}
footer p strong{color:var(--t2);font-weight:600}