:root{--page:#FFFFFF;--mist:#F4F4F5;--ink:#1A1A1A;--text:#4B4B50;--rose:#C81E6B;--dark:#7C0F41;--line:#E2E2E4;--r:2px;--box:72rem;--read:60ch}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0;overflow-x:hidden}
body{background:var(--page);color:var(--text);font-family:"Sarabun",system-ui,sans-serif;font-size:1.04rem;line-height:1.72}
h1,h2,h3,.menu-a,.sect-a,.brand-a,.art-sub,.part-h,.art-frac,.key-btn,.map-tile strong{font-family:"Kumbh Sans",system-ui,sans-serif;color:var(--ink)}
h1{font-weight:700;font-size:clamp(2.2rem,5.4vw,4rem);line-height:1.02;letter-spacing:-.03em;margin:0 0 1.4rem;max-width:18ch}
h2{font-weight:700;font-size:clamp(1.5rem,2.8vw,2.1rem);line-height:1.14;margin:0 0 .6rem}
h3{font-weight:700;font-size:clamp(1.25rem,2vw,1.6rem);line-height:1.2;margin:0 0 .25rem}
p{margin:0 0 1rem}
a{color:var(--rose)}
a:hover{color:var(--dark)}
a:focus-visible,button:focus-visible{outline:3px solid var(--ink);outline-offset:3px}
.page-box{width:100%;max-width:var(--box);margin:0 auto;padding:0 1.25rem}
.bar-head{position:sticky;top:0;z-index:10;background:var(--page);border-bottom:1px solid var(--line)}
.bar-head .page-box{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.9rem 0}
.brand-a{font-weight:700;font-size:1.18rem;text-decoration:none;letter-spacing:-.01em}
.menu-cols[data-open="false"]{display:none}
.menu-cols{list-style:none;margin:0;padding:.5rem 0 0;display:flex;flex-direction:column;gap:.2rem}
.menu-a{display:block;padding:.4rem 0;font-weight:600;font-size:.98rem;text-decoration:none}
.key-btn{border:1px solid var(--line);border-radius:var(--r);background:var(--page);font-family:"Kumbh Sans",system-ui,sans-serif;font-weight:700;padding:.45rem 1rem;cursor:pointer}
.sect-bar{border-bottom:1px solid var(--line);background:var(--mist)}
.sect-bar ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
.sect-a{display:block;padding:.85rem .5rem;text-align:center;font-weight:600;font-size:.96rem;text-decoration:none;border-bottom:3px solid transparent}
.sect-a[aria-current="page"]{border-bottom-color:var(--rose);color:var(--rose);background:var(--page)}
.sect-a:hover{background:var(--page)}
.claim-line{padding:clamp(2.2rem,5vw,4rem) 0 1.6rem}
.open-two{display:grid;grid-template-columns:1fr;gap:2rem;padding-bottom:clamp(2rem,4vw,3.2rem)}
.tall-pic img{display:block;width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;border-radius:var(--r)}
.og-hero img{aspect-ratio:1/1}
.open-note{max-width:38rem}
.link-duo{margin-top:1.4rem}
.go-first,.go-second{display:inline-block;border-radius:var(--r);padding:.72rem 1.3rem;font-weight:700;text-decoration:none;margin-right:.6rem;font-family:"Kumbh Sans",system-ui,sans-serif}
.go-first{background:var(--ink);color:var(--page)}
.go-first:hover{background:var(--rose);color:var(--page)}
.go-second{border:1px solid var(--line);color:var(--ink)}
.go-second:hover{background:var(--mist);color:var(--ink)}
.big-part{padding:2.6rem 0;border-top:1px solid var(--line)}
.part-h{font-weight:700;font-size:clamp(1.9rem,4.4vw,3.2rem);line-height:1.04;letter-spacing:-.02em;margin:0 0 .6rem}
.part-cols{list-style:none;margin:1.4rem 0 0;padding:0;display:grid;grid-template-columns:1fr;gap:.1rem}
.part-cols li{border-top:1px solid var(--line)}
.part-a{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.4rem;padding:.6rem .1rem;text-decoration:none;color:var(--ink);font-size:.99rem}
.part-a:hover{background:var(--mist);color:var(--ink)}
.steps-line{display:grid;grid-template-columns:1fr;gap:1.2rem;margin-top:1.4rem}
.step-cell{padding:0 0 0 1rem;border-left:1px solid var(--line)}
.desk-note{max-width:44rem;margin-top:2.6rem}
.mini-map{list-style:none;margin:1.6rem 0 0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.6rem}
.map-tile a{display:block;border:1px solid var(--line);border-radius:var(--r);padding:.7rem .8rem;text-decoration:none;color:var(--ink);font-size:.92rem}
.map-tile a:hover{border-color:var(--rose);color:var(--rose)}
.map-tile strong{display:block;font-weight:700;font-size:.98rem;margin-bottom:.1rem}
.art-block{padding:3rem 0;border-top:1px solid var(--line)}
.art-frac{display:block;font-weight:700;font-size:.9rem;color:var(--rose);margin-bottom:.5rem;letter-spacing:.04em}
.art-pic{margin:1.4rem 0}
.art-pic img{display:block;width:100%;height:auto;aspect-ratio:12/7;object-fit:cover;border-radius:var(--r)}
.art-cap{margin-top:.5rem;font-size:.87rem}
.open-two > .open-note:only-child{grid-column:1 / -1}
.art-body{max-width:var(--read)}
.art-sub{display:block;font-weight:700;font-size:1.04rem;color:var(--rose);margin:1.4rem 0 .3rem}
.warn-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:1.6rem 0;margin-top:2.6rem;max-width:var(--read)}
.up-a{display:inline-block;margin-top:1.4rem;font-weight:700}
.foot-band{background:var(--mist);border-top:1px solid var(--line);margin-top:3.4rem;padding:2.6rem 0 1.8rem}
.foot-line{list-style:none;margin:0 0 2rem;padding:0 0 1.4rem;border-bottom:1px solid var(--line);display:flex;flex-wrap:wrap;gap:.5rem 1.4rem;font-family:"Kumbh Sans",system-ui,sans-serif;font-weight:600;font-size:.98rem}
.foot-line a{color:var(--ink);text-decoration:none}
.foot-line a:hover{color:var(--rose)}
.foot-three{display:grid;grid-template-columns:1fr;gap:1.6rem;font-size:.94rem}
.foot-cell h3{font-size:.98rem;margin-bottom:.3rem}
a[href="#main-content"]{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--page);padding:.6rem 1rem;font-family:"Kumbh Sans",system-ui,sans-serif;font-weight:700;text-decoration:none;border-radius:var(--r)}
a[href="#main-content"]:focus{left:.5rem;top:.5rem;z-index:20}
.key-btn{display:none}
html[data-js="on"] .key-btn{display:inline-block}
.menu-cols[data-open="false"]{display:flex}
html[data-js="on"] .menu-cols[data-open="false"]{display:none}
.bar-head .page-box{flex-wrap:wrap}
.menu-cols[data-open="true"]{width:100%;border-top:1px solid var(--line);margin-top:.2rem}
.brand-a:hover{color:var(--rose)}
.tall-pic{margin:0}
.claim-line h1{max-width:34ch}
.claim-line p{max-width:var(--read);font-size:1.08rem}
.big-part p{max-width:var(--read)}
.part-a span{font-family:"Sarabun",system-ui,sans-serif;font-weight:400;font-size:.92rem;color:var(--text)}
.part-cols li:last-child{border-bottom:1px solid var(--line)}
.art-h{margin-top:0}
.art-block .art-cap{margin-top:0;color:var(--text)}
.art-body p{margin-bottom:1.1rem}
.step-cell p{margin:0;font-size:.96rem}
.desk-note{padding-left:1rem;border-left:3px solid var(--rose)}
.warn-strip p{font-size:.94rem}
.warn-strip h2{font-size:1.1rem}
.up-a{color:var(--rose)}
.foot-cell p{margin:0}
.foot-line li{display:block}
.mini-map a strong{display:block}
.link-duo a{margin-bottom:.6rem}
@media (min-width:700px){
.sect-bar ul{grid-template-columns:repeat(4,minmax(0,1fr))}
.open-two{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:3rem;align-items:start}
.part-cols{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:2.5rem}
.steps-line{grid-template-columns:repeat(2,minmax(0,1fr))}
.mini-map{grid-template-columns:repeat(3,minmax(0,1fr))}
.foot-three{grid-template-columns:repeat(3,minmax(0,1fr));gap:2.5rem}
.big-part{padding:3.4rem 0}
}
@media (min-width:1020px){
.key-btn{display:none}
.menu-cols[data-open="false"]{display:flex}
.menu-cols{flex-direction:row;align-items:center;gap:1.5rem;padding:0}
.steps-line{grid-template-columns:repeat(4,minmax(0,1fr))}
.mini-map{grid-template-columns:repeat(6,minmax(0,1fr))}
.open-two{gap:4rem}
.menu-cols[data-open="true"]{width:auto;border-top:0;margin-top:0}
html[data-js="on"] .key-btn{display:none}
html[data-js="on"] .menu-cols[data-open="false"]{display:flex}
.bar-head .page-box{flex-wrap:nowrap}
}
@media (min-width:1360px){
.page-box{padding:0 2rem}
}
@media (prefers-reduced-motion: no-preference){
html{scroll-behavior:smooth}
.menu-a,.sect-a,.part-a,.map-tile a,.go-first,.go-second,.foot-line a{transition:color .18s ease,background-color .18s ease,border-color .18s ease}
}