:root{
  --bg:#F7F6F3;--bg-panel:#FFFFFF;--bg-panel-2:#EFEDE8;--border:#E3E0D9;
  --accent:#E6502A;--accent-dark:#B53A1B;--text:#1C1A17;--text-muted:#6A655E;
  --success:#1F8A4C;--warn:#B9820C;--error:#C8322B;
  --block-lilac:#F2EFF9;--block-peach:#FBEAE3;
  --accent-10:rgb(230 80 42 / .10);--accent-14:rgb(230 80 42 / .14);--accent-24:rgb(230 80 42 / .24);
  --success-14:rgb(31 138 76 / .14);--ink-06:rgb(28 26 23 / .06);--ink-12:rgb(28 26 23 / .12);--ink-16:rgb(28 26 23 / .16);--ink-24:rgb(28 26 23 / .24);--veil-color:rgb(28 26 23 / .38);--hi:rgb(255 255 255 / .92);
  --flag-white:#FFFFFF;--flag-jp:#BC002D;--flag-sg:#E8343E;--flag-hk:#DE2910;
  --flag-us-red:#B22234;--flag-us-navy:#3C3B6E;--flag-de-black:#151413;--flag-de-red:#DD0000;--flag-de-gold:#FFCE00;--flag-nl-red:#AE1C28;--flag-nl-blue:#21468B;--flag-edge:rgb(28 26 23 / .18);
  --font-display:"Inter","Noto Sans SC","Noto Sans JP","Noto Sans KR","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Inter","Noto Sans SC","Noto Sans JP","Noto Sans KR","PingFang SC","Hiragino Sans","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
  --fs-display:68px;--fs-lede:19px;--fs-body:16px;--fs-small:14px;--fs-h2:36px;--fs-h3:24px;
  --weight-body:400;--weight-medium:500;--weight-bold:700;--weight-heavy:800;--weight-display:900;
  --radius-xs:4px;--radius-sm:6px;--radius:8px;--radius-md:10px;--radius-lg:12px;--radius-pill:999px;
  --wrap:1264px;--gutter:32px;--wrap-pad:var(--gutter);--plate-offset:10px;
  --space-section:80px;--space-card:24px;--header-height:68px;--anchor-offset:88px;--toc-offset:144px;
  --ease:cubic-bezier(.2,.65,.3,1);--time-fast:.15s;--time-reveal:.35s;
  --shadow-plate:10px 10px 0 var(--text);--shadow-soft:0 40px 110px var(--accent-10),0 18px 48px var(--accent-10);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:var(--anchor-offset);scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:var(--fs-body);font-weight:var(--weight-body);line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0}
h1,h2,h3,h4{font-family:var(--font-display);overflow-wrap:break-word}
h1{font-size:var(--fs-display);font-weight:var(--weight-display);line-height:1.1;letter-spacing:-.02em}
h2{font-size:var(--fs-h2);font-weight:var(--weight-heavy);line-height:1.25;letter-spacing:-.02em}
h3{font-size:var(--fs-h3);font-weight:var(--weight-bold);line-height:1.35}
a{color:inherit;text-underline-offset:3px}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
button:disabled{cursor:not-allowed}
img,svg{display:block;max-width:100%}
img{height:auto}
svg{flex-shrink:0}
[hidden]{display:none!important}
:where(a,button,input,select,textarea,summary,[tabindex]):focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:var(--radius-xs)}
::selection{background:var(--accent-24);color:var(--text)}
code{font-family:var(--font-mono);overflow-wrap:anywhere;font-size:.9em}
pre{max-width:100%;overflow-x:auto;padding:20px;background:var(--bg-panel-2);border:1px solid var(--border);border-radius:var(--radius)}
pre code{overflow-wrap:normal;white-space:pre}
kbd{font-family:var(--font-mono)}
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-top:var(--space-section);padding-bottom:var(--space-section)}
.section-head{max-width:820px;margin-bottom:32px}
.section-head p{margin-top:14px;color:var(--text-muted)}
.grid{display:grid;gap:24px}
.grid>*,:where(.win-body,.hero-band,.footer-grid,.feature-browser,.doc-options)>*{min-width:0}
.grid-three{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-five{grid-template-columns:repeat(5,minmax(0,1fr))}
.stack{display:grid;gap:20px}
.row{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.mono{font-family:var(--font-mono)}
.muted{color:var(--text-muted)}
.no-break{white-space:nowrap}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:16px;top:-80px;z-index:100;background:var(--text);color:var(--bg-panel);padding:8px 14px;border-radius:var(--radius);font-weight:var(--weight-bold)}
.skip:focus{top:8px}
.ico{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 22px;border:2px solid var(--text);border-radius:var(--radius);font-size:var(--fs-body);font-weight:var(--weight-bold);line-height:1.2;text-decoration:none;white-space:nowrap;flex-shrink:0;transition:transform var(--time-fast) var(--ease),background var(--time-fast) var(--ease)}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn svg{width:16px;height:16px}
.btn-solid,.btn-primary{background:var(--text);color:var(--bg-panel)}
.btn-line,.btn-secondary{background:var(--bg-panel);color:var(--text)}
.btn-line:hover,.btn-secondary:hover{background:var(--bg-panel-2)}
.btn:disabled,.btn[aria-disabled="true"]{background:var(--bg-panel-2);color:var(--text-muted);border-color:var(--border);transform:none}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.panel,.card{background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-card)}
.plate-panel{background:var(--bg-panel);border:2px solid var(--text);border-radius:var(--radius-lg);box-shadow:var(--shadow-plate)}
.notice{background:var(--accent);color:var(--text)}
.notice-in{display:flex;align-items:center;gap:12px;min-height:40px;font-size:14.5px;font-weight:600;line-height:1.4}
.notice-link{font-weight:var(--weight-bold);text-decoration:underline;text-decoration-thickness:1.5px;white-space:nowrap}
.notice-link:hover{text-decoration-thickness:2.5px}
#site-header{position:relative;z-index:50}
.masthead{position:relative;z-index:52;background:var(--bg);border-bottom:1px solid var(--border)}
.masthead-in{display:flex;align-items:center;gap:28px;height:var(--header-height);flex-wrap:nowrap}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);flex-shrink:0}
.brand-mark{width:32px;height:32px}
.brand-word{font-family:var(--font-display);font-size:20px;font-weight:var(--weight-display);letter-spacing:-.02em;line-height:1}
.primary{flex:1;min-width:0}
.primary-list{display:flex;align-items:center;list-style:none;margin:0;padding:0;gap:2px}
.primary-list a{display:block;padding:7px 14px;border-radius:var(--radius-pill);color:var(--text-muted);font-size:15px;font-weight:var(--weight-medium);line-height:1.4;text-decoration:none;white-space:nowrap}
.primary-list a:hover{color:var(--text);background:var(--ink-06)}
.primary-list a.is-current{color:var(--text);background:var(--bg-panel);box-shadow:inset 0 0 0 1.5px var(--text);font-weight:var(--weight-bold)}
.masthead-tools{display:flex;align-items:center;gap:8px;flex-shrink:0;margin-left:auto}
.lang-picker{position:relative}
.lang{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-width:44px;width:auto;min-height:40px;padding:0 10px;background:none;border:0;border-radius:var(--radius);font-size:14px;font-weight:var(--weight-medium);white-space:nowrap}
.lang:hover{background:var(--ink-06)}
.lang svg{width:16px;height:16px;color:var(--text-muted)}
.lang-caret{font-size:12px;color:var(--text-muted)}
.lang-panel{position:absolute;right:0;top:calc(100% + 8px);z-index:60;min-width:176px;padding:8px;background:var(--bg-panel);border:1px solid var(--text);border-radius:var(--radius);box-shadow:4px 4px 0 var(--text)}
.lang-panel a{display:flex;align-items:center;min-height:44px;padding:8px 12px;text-decoration:none;border-radius:var(--radius-xs);white-space:nowrap}
.lang-panel a:hover,.lang-panel a[aria-current]{background:var(--accent-10)}
.login{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 18px;background:var(--text);color:var(--bg-panel);border:2px solid var(--text);border-radius:var(--radius);font-size:15px;font-weight:var(--weight-bold);text-decoration:none;white-space:nowrap}
.login:hover{background:var(--accent-dark);border-color:var(--accent-dark)}
.menu-toggle{display:none;align-items:center;justify-content:center;min-width:44px;min-height:44px;padding:8px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-panel)}
.menu-toggle svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.drawer{display:none}
.nav-veil{display:none}
html.nav-open{overflow:hidden}
.site-footer{background:var(--bg-panel-2);border-top:1px solid var(--border);padding-top:56px;padding-bottom:28px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{max-width:310px;margin-top:18px;color:var(--text-muted);font-size:var(--fs-small)}
.footer-heading{font-size:var(--fs-small);font-weight:var(--weight-bold);margin-bottom:12px}
.footer-links{display:grid;gap:4px;list-style:none}
.footer-links a{display:inline-flex;align-items:center;min-height:32px;font-size:var(--fs-small);text-decoration:none}
.footer-links a:hover{text-decoration:underline}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:40px;padding-top:20px;border-top:1px solid var(--border);font-size:13px;color:var(--text-muted)}
.footer-legal{display:flex;flex-wrap:wrap;gap:20px}
.footer-legal a{display:inline-flex;align-items:center;min-height:24px}
.reveal{transition:opacity var(--time-reveal) var(--ease),transform var(--time-reveal) var(--ease)}
.reveal.pending{opacity:0;transform:translateY(16px)}
.reveal.shown{opacity:1;transform:none}
.prose{max-width:840px}
.prose p,.prose ul,.prose ol,.prose pre,.prose blockquote{margin-block:20px}
.prose ul,.prose ol{padding-left:24px}
.prose h2{margin-top:48px;margin-bottom:20px}
.prose h3{margin-top:32px;margin-bottom:14px}
.prose li+li{margin-top:8px}
#server-status{position:static;display:block;min-width:0;max-width:100%;min-height:160px;overflow:hidden;margin-block:24px}
#server-status>*{max-width:100%;min-width:0}
#server-status+*{margin-top:32px}
.decorated{position:relative;overflow-x:clip;max-width:100%}
@media(max-width:1240px){
  .masthead-in{gap:16px}
  .primary-list a{padding-inline:10px;font-size:14px}
}
@media(max-width:1100px){
  .primary{display:none}
  .menu-toggle{display:inline-flex}
  .masthead-tools{margin-left:auto}
  .drawer{position:fixed;z-index:51;top:var(--header-height);left:0;right:0;height:calc(100dvh - var(--header-height));max-height:calc(100dvh - var(--header-height));padding:20px var(--gutter) 40px;background:var(--bg-panel);overflow-y:auto;overscroll-behavior:contain}
  .drawer:not([hidden]){display:block}
  .drawer ul{list-style:none;margin:0;padding:0;display:grid;gap:4px}
  .drawer a{display:flex;align-items:center;width:100%;min-height:48px;padding:12px 16px;border-radius:var(--radius);text-decoration:none}
  .drawer a:hover,.drawer a.is-current{background:var(--accent-10)}
  .drawer-languages{margin-top:24px;padding-top:20px;border-top:1px solid var(--border)}
  .nav-veil{position:fixed;inset:var(--header-height) 0 0;z-index:49;border:0;background:var(--veil-color)}
  .nav-veil:not([hidden]){display:block}
}
@media(max-width:768px){
  :root{--gutter:20px;--fs-display:38px;--fs-lede:17px;--fs-h2:28px;--fs-h3:21px;--plate-offset:6px;--space-section:56px;--shadow-plate:6px 6px 0 var(--text)}
  .grid-three{grid-template-columns:minmax(0,1fr)}
  .grid-five{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .footer-brand{grid-column:1/-1}
  .notice-in{font-size:13px;min-height:38px;flex-wrap:wrap;gap:4px 10px;padding-block:8px}
}
@media(max-width:640px){
  .no-break{white-space:normal}
  .tilt,.sticky{transform:none}
  .decorated{max-width:100%;overflow-x:clip}
  .masthead-in{gap:8px}
  .masthead-tools{gap:4px;margin-left:auto}
  .brand{gap:6px}
  .brand-word{font-size:17px}
  .brand-mark{width:28px;height:28px}
  .login{padding-inline:10px;font-size:13px}
  .lang{padding-inline:5px;font-size:12px;gap:3px}
  .lang svg,.lang-caret{display:none}
  .cta-row .btn{flex:1 1 auto}
}
@media(max-width:359px){
  :root{--gutter:16px}
  .brand-word{font-size:15px}
  .brand-mark{width:24px;height:24px}
  .masthead-in{gap:4px}
  .lang{font-size:11px}
  .login{padding-inline:7px}
  .footer-grid,.grid-five{grid-template-columns:minmax(0,1fr)}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .reveal,.reveal.pending{opacity:1;transform:none}
}