:root{--ink:#142943;--text:#30425b;--blue:#2457d6;--pale:#e8f2ff;--line:#cedae8;--red:#b83c48;--green:#176755;--paper:#fff;--muted:#617086;--surface:#fff;--wash:#f4f8fd;--soft:#f0f3f8;--inline:#edf2fa;--hover:#163783;--button:#2457d6;--button-hover:#193e9c;--band:#142943;color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;color:var(--ink);background:var(--paper);font-size:16px;line-height:1.75}*{box-sizing:border-box}body{margin:0}a{color:var(--blue);text-underline-offset:4px}button,a{touch-action:manipulation}a:hover{color:var(--hover)}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #c48a14;outline-offset:5px}button{font:inherit;cursor:pointer}h1,h2,h3,p{margin:0 0 1rem}h1,h2,h3{line-height:1.35;word-break:keep-all}h1{font-family:"Iowan Old Style","AppleMyungjo","Batang",serif;letter-spacing:-.045em;font-size:clamp(2.6rem,4.5vw,4.3rem);font-weight:600}h2{font-size:clamp(1.6rem,2.5vw,2.25rem);letter-spacing:-.035em}h3{font-size:1.2rem}p,li{word-break:keep-all;overflow-wrap:anywhere}p{color:var(--text)}small,.small{font-size:.85rem;color:var(--muted)}.wrap{width:min(1180px,calc(100% - 64px));margin:auto}.skip{position:fixed;left:16px;top:-100px;background:var(--surface);padding:12px;z-index:30}.skip:focus{top:12px}.top{border-bottom:1px solid var(--line);background:var(--surface)}.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:88px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-size:1.08rem;font-weight:800;white-space:nowrap}.mark{background:var(--button);color:white;border-radius:4px 14px 4px 4px;display:grid;place-items:center;width:34px;height:38px;font-size:16px;line-height:1}.nav{display:flex;flex-wrap:wrap;gap:24px;align-items:center}.nav a{color:var(--text);text-decoration:none;font-size:.94rem;padding:8px 0}.nav a[aria-current=page]{color:var(--blue);box-shadow:0 2px var(--blue);font-weight:700}.tag{display:inline-block;color:var(--blue);font-size:.87rem;margin-bottom:20px;font-weight:700}.hero{display:grid;grid-template-columns:1.16fr 1fr;gap:80px;align-items:center;padding:86px 0 76px}.hero .lead{font-size:1.18rem;max-width:38em;margin:24px 0 28px}.actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--blue);padding:12px 22px;background:var(--button);color:white;text-decoration:none;font-weight:700;border-radius:5px;line-height:1.5}.button:hover{background:var(--button-hover);color:white}.button.secondary{background:var(--surface);color:var(--blue)}.button.secondary:hover{background:var(--pale)}.caption{font-size:.83rem;margin-top:17px;color:var(--muted)}.dossier{background:var(--pale);padding:30px 30px 24px;position:relative;border-radius:6px 30px 6px 6px}.dossier:before{content:"";display:block;width:110px;height:12px;background:var(--blue);position:absolute;top:-12px;left:0;border-radius:5px 9px 0 0}.dossier-title{font-size:.9rem;font-weight:700;margin-bottom:17px}.flow{list-style:none;padding:0;margin:0}.flow li{display:grid;grid-template-columns:30px 1fr auto;align-items:center;gap:10px;background:var(--surface);padding:17px 15px;margin-bottom:9px;border-left:3px solid var(--line);font-size:.92rem}.flow li:first-child{border-left-color:var(--red)}.flow li:nth-child(3){border-left-color:var(--green)}.flow li:last-child{border-left-color:var(--blue)}.number{color:var(--muted);font-size:.8rem}.state{font-size:.74rem;padding:2px 7px;background:var(--soft);border-radius:3px;font-weight:700;white-space:nowrap}.state.deny{background:#fff0f2;color:var(--red)}.state.allow{background:#e6f5f0;color:var(--green)}.dossier .small{margin:18px 0 0;line-height:1.7}.proof-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;display:flex;gap:38px;flex-wrap:wrap}.proof-strip p{margin:0;font-size:.9rem}.proof-strip strong{display:block;color:var(--ink);font-size:1.1rem}.section{padding:76px 0}.section-head{display:grid;grid-template-columns:1fr 1fr;gap:64px;margin-bottom:36px}.section-head p{margin:0}.columns{display:grid;grid-template-columns:repeat(3,1fr);gap:35px}.feature{border-top:3px solid var(--blue);padding-top:20px}.feature p{font-size:.98rem}.wash{background:var(--wash)}.split{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}.screenshot{width:100%;height:auto;display:block;border:1px solid var(--line);border-radius:5px}.capability{padding-left:22px}.capability li{margin-bottom:14px}.note{background:var(--pale);border-left:4px solid var(--blue);padding:18px 22px;margin:25px 0}.note p:last-child{margin-bottom:0}.note strong{color:var(--ink)}.boundaries{display:grid;grid-template-columns:1fr 1fr;gap:40px}.boundaries>div{border-top:1px solid var(--line);padding-top:20px}.footer{border-top:1px solid var(--line);padding:28px 0 35px;font-size:.85rem}.footer .wrap{display:flex;justify-content:space-between;gap:25px}.footer p{margin:0;max-width:62em}.footer a{white-space:nowrap}.page-head{padding:56px 0 36px;max-width:870px}.page-head h1{font-size:clamp(2.5rem,4vw,3.5rem)}.page-head p{font-size:1.12rem}.guide-grid{display:grid;grid-template-columns:220px minmax(0,1fr);gap:60px;align-items:start;padding-bottom:70px}.toc{position:sticky;top:24px;border-left:2px solid var(--line);padding-left:18px;font-size:.9rem}.toc a{display:block;padding:5px 0;text-decoration:none;color:var(--text)}.toc a:hover{color:var(--blue)}.article{min-width:0;max-width:850px}.article section{padding:20px 0 32px;scroll-margin-top:24px;border-top:1px solid var(--line)}.article section h2{font-size:1.7rem}.article li{margin-bottom:8px}.codebox{position:relative;background:#142943;color:#eff5ff;border-radius:6px;padding:43px 20px 20px;margin:20px 0}.codebox pre{margin:0;overflow:auto;line-height:1.7;font-size:.82rem;white-space:pre}.codebox button{position:absolute;right:10px;top:8px;background:#233e60;color:white;border:1px solid #6a81a0;font-size:.77rem;border-radius:4px;padding:3px 12px}.inline-code,code:not(pre code){font-size:.88em;background:var(--inline);padding:2px 5px;border-radius:3px;overflow-wrap:anywhere}pre code{background:transparent;color:inherit;padding:0;font-family:ui-monospace,Menlo,Consolas,monospace}.table-scroll{overflow-x:auto;margin:20px 0}table{width:100%;border-collapse:collapse;font-size:.91rem;text-align:left}th,td{padding:13px 15px;border-bottom:1px solid var(--line);vertical-align:top;min-width:110px}th{background:var(--pale);color:var(--ink);font-weight:700}td{color:var(--text)}.checklist{padding:0;list-style:none}.checklist label{display:flex;align-items:flex-start;gap:11px;padding:12px 0;border-bottom:1px solid var(--line);cursor:pointer}.checklist input{margin-top:7px;width:17px;height:17px;accent-color:var(--blue);flex-shrink:0}.progress{font-weight:700;color:var(--blue)}.download-panel{padding:22px;background:var(--pale);margin:20px 0}.download-panel p{margin-bottom:12px}.brochure-tools{display:flex;gap:12px;align-items:center;justify-content:space-between;margin:30px auto;flex-wrap:wrap}.brochure{max-width:920px;margin:0 auto 50px}.sheet{background:var(--surface);border:1px solid var(--line);padding:52px 58px;margin-bottom:30px;position:relative}.sheet h1{font-size:3.2rem;max-width:13em;margin-top:35px}.sheet .deck{font-size:1.14rem;margin:24px 0}.sheet h2{font-size:1.6rem}.sheet h3{font-size:1.12rem}.sheet .flow{margin:28px 0}.sheet .flow li{background:var(--pale);padding:14px 18px}.sheet .columns{gap:22px;margin:30px 0}.sheet .columns p{font-size:.92rem}.sheet-foot{border-top:1px solid var(--line);padding-top:15px;margin-top:30px;display:flex;justify-content:space-between;gap:20px;font-size:.76rem;color:var(--muted)}.sheet .band{background:var(--band);color:white;padding:20px 24px;margin:30px 0}.sheet .band p{color:white;margin:0;font-size:.92rem}.steps{list-style:none;padding:0;margin:25px 0}.steps li{display:grid;grid-template-columns:40px 1fr;gap:15px;border-top:1px solid var(--line);padding:17px 0}.steps .step-num{color:var(--blue);font-size:1.4rem;font-weight:700}.steps p{font-size:.94rem;margin:4px 0 0}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}@media(max-width:900px){.hero{gap:35px;padding:65px 0}.section-head{gap:30px}.guide-grid{grid-template-columns:180px minmax(0,1fr);gap:30px}.split{gap:30px}.sheet{padding:40px}}@media(max-width:680px){.wrap{width:calc(100% - 36px)}.top .wrap{align-items:flex-start;flex-direction:column;gap:9px;padding:15px 0 13px;min-height:0}.nav{gap:23px;width:100%;font-size:.9rem}.nav a{padding:4px 0}.hero{grid-template-columns:1fr;gap:44px;padding:44px 0}.hero h1{font-size:2.8rem}.hero .lead{font-size:1.06rem}.dossier{padding:23px 18px}.flow li{padding:15px 10px;gap:7px;grid-template-columns:22px 1fr auto}.proof-strip{gap:18px 30px}.section{padding:46px 0}.section-head,.columns,.split,.boundaries{grid-template-columns:1fr;gap:22px}.section-head{margin-bottom:22px}.feature{margin-bottom:6px}.footer .wrap{flex-direction:column;gap:13px}.guide-grid{display:block}.toc{position:static;margin-bottom:25px;display:flex;flex-wrap:wrap;gap:5px 17px;padding-left:12px}.toc strong{width:100%}.toc a{padding:2px 0}.page-head{padding:35px 0 25px}.page-head h1{font-size:2.5rem}.article section{padding:22px 0}.codebox{margin:16px -2px}.sheet{padding:28px 23px}.sheet h1{font-size:2.7rem}.sheet .columns{gap:12px}.sheet-foot{font-size:.68rem}.brochure-tools .small{width:100%}}@media print{@page{size:A4;margin:0}body{background:white;-webkit-print-color-adjust:exact;print-color-adjust:exact}.top,.footer,.brochure-tools,.skip,.sr-only{display:none!important}.brochure{max-width:none;margin:0}.sheet{border:0;margin:0;padding:16mm 17mm 13mm;width:210mm;height:296mm;break-after:page;overflow:hidden;display:flex;flex-direction:column}.sheet:last-child{break-after:auto}.sheet .sheet-foot{margin-top:auto;font-size:8pt}.sheet h1{font-size:33pt;margin-top:8mm;max-width:14em}.sheet h2{font-size:19pt}.sheet h3{font-size:12pt}.sheet .deck{font-size:12pt;margin:5mm 0}.sheet p,.sheet li,.sheet .columns p,.sheet .band p,.steps p{font-size:10pt;line-height:1.65}.sheet .columns{grid-template-columns:repeat(3,1fr);gap:6mm;margin:7mm 0}.sheet .flow{margin:5mm 0}.sheet .flow li{padding:3mm 4mm;margin-bottom:2mm}.sheet .band{margin:5mm 0;padding:4mm 5mm}.sheet .note{margin:5mm 0;padding:3mm 5mm}.steps{margin:4mm 0}.steps li{padding:4mm 0}.sheet a{color:inherit;text-decoration:none}.sheet .tag{margin:0;font-size:9pt}.sheet .small{font-size:8pt}}

.platform-flow li:first-child,.platform-flow li:nth-child(3){border-left-color:var(--blue)}

/* Shared header controls and readable dark surfaces. */
.top .wrap{flex-wrap:wrap;padding-top:18px;padding-bottom:15px;gap:12px 24px}
.top .nav{order:3;flex-basis:100%;gap:8px 24px}
.header-tools{margin-left:auto;display:flex;align-items:center;flex-wrap:wrap;gap:8px}
.repo-link,.theme-toggle,.theme-system{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:40px;border:1px solid var(--line);border-radius:6px;padding:6px 11px;background:var(--surface);color:var(--ink);font-size:.86rem;text-decoration:none;white-space:nowrap}
.repo-link:hover,.theme-toggle:hover,.theme-system:hover{background:var(--pale);color:var(--ink)}
.header-tools svg{flex-shrink:0}.header-tools [hidden]{display:none}
@media screen{
 :root[data-theme="dark"]{--ink:#e4edf9;--text:#c1cee0;--blue:#8db6ff;--pale:#203449;--line:#43556d;--red:#ff9aa5;--green:#86dbba;--paper:#101923;--surface:#182432;--muted:#a9b8cc;--wash:#142130;--soft:#26364b;--inline:#26364b;--hover:#c5dcff;color-scheme:dark}
 :root[data-theme="dark"] .state.deny{background:#432631}
 :root[data-theme="dark"] .state.allow{background:#193c33}
}
@media(max-width:680px){.top .wrap{flex-direction:row;align-items:center}.header-tools{margin-left:0}.top .nav{gap:6px 18px}.header-tools button,.repo-link{min-height:44px}}
@media print{html{color-scheme:light}.sheet{color:#142943}.header-tools{display:none!important}}

.prfaq-document{padding-bottom:60px}.prfaq-document h3{margin-top:2rem;scroll-margin-top:24px}.prfaq-document blockquote{margin:24px 0;padding:16px 24px;border-left:4px solid var(--blue);background:var(--pale)}.prfaq-document blockquote p:last-child{margin-bottom:0}