@charset "utf-8";
:root{
  --bg:#FFFFFF; --tint:#F3F5F9; --surface:#FFFFFF; --ink:#202226; --muted:#5D6370; --line:#DDE2EB;
  --accent:#002A7C; --accent-soft:#E6ECF7; --gold:#D9A80C; --warn:#B8332A; --warn-soft:#FBEEEC;
  --f-body:"Zen Kaku Gothic New","Hiragino Sans","Yu Gothic",system-ui,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;
  --max:1120px; --ease:cubic-bezier(.22,.7,.2,1);
  color-scheme:light; padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:1rem;line-height:1.9;letter-spacing:.02em;-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--bg)}
main{flex:1}
a{color:inherit}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
h1,h2,h3{font-weight:700;text-wrap:balance;margin:0;line-height:1.4;letter-spacing:.04em}
p{margin:0}
.wrap{max-width:var(--max);margin-inline:auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
@media (min-width:720px){.wrap{padding-left:max(32px,env(safe-area-inset-left,0px));padding-right:max(32px,env(safe-area-inset-right,0px))}}
.eyebrow{font-family:var(--f-mono);font-size:.75rem;letter-spacing:.2em;text-transform:uppercase;color:var(--accent)}
.logo{display:block;width:auto;max-width:100%}

.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:9;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.brand{display:flex;align-items:center;text-decoration:none}
.nav{display:flex;align-items:center;gap:26px;font-size:.8125rem}
.nav a{text-decoration:none;color:var(--muted);transition:color .2s}
.nav a:hover{color:var(--ink)}
.nav .nav-cta{color:#fff;background:var(--accent);padding:8px 16px;border-radius:999px}
.nav .nav-cta:hover{color:#fff;filter:brightness(1.15)}
@media (max-width:900px){.nav a:not(.nav-cta){display:none}}

.page-head{background:linear-gradient(180deg,var(--bg) 0%,var(--tint) 100%);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-head .wrap{padding-block:56px 44px;display:flex;flex-direction:column;gap:10px;position:relative}
.page-head h1{font-size:clamp(1.75rem,4vw,2.5rem);font-weight:900;animation:fadeUp .8s var(--ease) both}
.page-head .eyebrow{animation:fadeUp .8s var(--ease) both}
.crumb{font-size:.8125rem;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap}
.crumb a{text-decoration:none}
.crumb a:hover{color:var(--accent)}
.swoosh{position:absolute;right:max(24px,calc((100vw - var(--max))/2 + 32px));top:50%;height:150px;width:auto;transform:translateY(-50%);pointer-events:none;overflow:visible}
.swoosh path{stroke-width:1.1;stroke-linejoin:round;stroke-dasharray:1;stroke-dashoffset:1;fill-opacity:0;animation:draw 1.3s var(--ease) forwards,fillIn .7s 1.05s ease forwards}
.swoosh .s-b{stroke:var(--accent);fill:var(--accent)}
.swoosh .s-o{stroke:var(--gold);fill:var(--gold);animation-delay:.35s,1.35s}
@media (max-width:720px){.swoosh{height:96px;right:16px;opacity:.22}}

.body{padding-block:64px 96px}
.doc{max-width:46rem;display:flex;flex-direction:column;gap:48px}
.doc section{display:flex;flex-direction:column;gap:14px;scroll-margin-top:80px}
.doc h2{font-size:1.25rem;display:flex;align-items:center;gap:12px}
.doc h2::before{content:"";width:6px;height:1.1em;border-radius:2px;background:var(--accent)}
.doc p{color:var(--ink)}
.doc ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px}
.doc li{position:relative;padding-left:1.4em}
.doc li::before{content:"";position:absolute;left:.3em;top:.8em;width:6px;height:6px;border-radius:50%;background:var(--gold)}
.toc{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:-8px}
.toc a{font-size:.8125rem;text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:4px 14px;color:var(--muted);transition:border-color .2s,color .2s}
.toc a:hover{border-color:var(--accent);color:var(--accent)}

.table-wrap{overflow-x:auto}
.kv{width:100%;border-collapse:collapse}
.kv th,.kv td{text-align:left;vertical-align:top;padding:20px 0;border-bottom:1px solid var(--line)}
.kv tr:first-child th,.kv tr:first-child td{border-top:1px solid var(--ink)}
.kv th{width:12em;font-weight:500;color:var(--muted);font-size:.875rem;padding-right:20px}
.kv td span{display:block}
.kv td span+span{margin-top:6px}
.kv td span.sub{font-weight:700}
.kv td span+span.sub{margin-top:16px}
.mono{font-family:var(--f-mono)}
@media (max-width:640px){.kv tr{display:flex;flex-direction:column}.kv th{width:auto;padding:16px 0 0;border-bottom:0}.kv td{padding:4px 0 16px}.kv tr:first-child td{border-top:0}}

.btn{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:500;font-size:.9375rem;padding:13px 24px;border-radius:999px;border:1px solid var(--accent);transition:background .25s,color .25s}
.btn svg{transition:transform .25s var(--ease)}
.btn:hover svg{transform:translateX(-4px)}
.btn-primary{background:var(--accent);color:#fff}
.btn-ghost{color:var(--accent);background:transparent}
.btn-ghost:hover{background:var(--accent-soft)}

footer{padding-block:40px;font-size:.8125rem;color:var(--muted);border-top:1px solid var(--line)}
footer .wrap{display:flex;flex-direction:column;gap:20px}
.foot-top{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:flex-start}
.foot-nav{display:flex;flex-wrap:wrap;gap:8px 20px}
.foot-nav a{text-decoration:none}
.foot-nav a:hover,.foot-nav a[aria-current]{color:var(--ink)}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes fillIn{to{fill-opacity:1}}
@supports (animation-timeline: view()){
  @media (prefers-reduced-motion: no-preference){
    .reveal{animation:rise linear both;animation-timeline:view();animation-range:entry 0% entry 50%}
  }
}
@keyframes rise{from{opacity:.001;transform:translateY(24px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-delay:0s!important;animation-iteration-count:1!important;transition:none!important}
  html{scroll-behavior:auto}
}