:root{
  --ground:#F8F9FD;--surface:rgba(255,255,255,.78);--ink:#202336;--muted:#687087;
  --line:rgba(91,95,130,.14);--brand:#5B5FC9;--sky:#98CAE8;--peri:#ACA6E9;
  --ok:#278665;--caution:#B57A18;--accent:#D65367;--r:20px;
  font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic",sans-serif
}
*{box-sizing:border-box}
body{margin:0;color:var(--ink);background:var(--ground);line-height:1.85;letter-spacing:.015em}
body:before{content:"";position:fixed;z-index:-2;inset:0;background:linear-gradient(135deg,#eaf5fc 0%,#f4f2ff 49%,#fff8ed 100%)}
a{color:var(--brand)}
.wrap{width:min(760px,calc(100% - 40px));margin:auto}

.nav{position:sticky;top:0;z-index:10;background:rgba(248,249,253,.72);backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.55)}
.navin{min-height:66px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:inherit;font-size:19px;font-weight:750;letter-spacing:-.03em}
.brand .mark{width:32px;height:32px;border-radius:10px;overflow:hidden;display:block}
.brand .mark img{width:100%;height:100%;display:block}
.back{font-size:14px;color:var(--muted);text-decoration:none}
.back:hover{color:var(--brand)}

header.page{padding:56px 0 8px}
h1{font-size:clamp(28px,4vw,38px);letter-spacing:-.045em;line-height:1.3;margin:0 0 10px}
.lead{color:var(--muted);font-size:15px;margin:0}
main{padding:20px 0 64px}
section{margin-top:38px}
h2{font-size:19px;letter-spacing:-.02em;margin:0 0 10px;padding-top:14px;border-top:1px solid var(--line)}
h3{font-size:15px;margin:22px 0 6px}
p,li{font-size:15px;color:var(--ink)}
ul{padding-left:1.2em;margin:10px 0}
li{margin:5px 0}
.muted{color:var(--muted);font-size:14px}

.note{margin:16px 0;padding:16px 18px;border-radius:var(--r);border:1px solid rgba(255,255,255,.7);
  background:var(--surface);box-shadow:0 10px 24px rgba(77,81,130,.07)}
.note.warn{border-color:rgba(214,83,103,.22);background:rgba(214,83,103,.06)}
.note.ok{border-color:rgba(39,134,101,.2);background:rgba(39,134,101,.06)}
.note strong{display:block;margin-bottom:4px}

.tw{overflow-x:auto;margin:14px 0}
table{border-collapse:collapse;width:100%;min-width:460px;font-size:14px}
th,td{text-align:left;vertical-align:top;padding:11px 12px;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-weight:700;white-space:nowrap}

footer{padding:30px 0 54px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
.foot{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center}
.foot a{color:var(--muted);text-decoration:none;margin-right:14px}
.foot a:hover{color:var(--brand)}
.updated{margin-top:30px;color:var(--muted);font-size:13px}

@media (max-width:640px){
  header.page{padding:36px 0 6px}
  section{margin-top:30px}
}