:root {
  --ink:#10223d; --ink-soft:#3d4b60; --paper:#fffdf8; --surface:#ffffff;
  --line:#d9dde4; --accent:#cc1767; --accent-dark:#941148; --blue:#2358b8;
  --gold:#b28a42; --ok:#0c6b51; --warn:#7a4b00; --shadow:0 12px 36px rgba(16,34,61,.10);
  --serif:Georgia,"Times New Roman",serif; --sans:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:5.5rem}
body{margin:0;background:var(--paper);color:var(--ink);font:1rem/1.62 var(--sans);overflow-x:hidden}
button,input{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
a{color:var(--blue);text-underline-offset:.18em}
img{max-width:100%;height:auto;display:block}
.skip-link{position:fixed;left:1rem;top:-5rem;background:var(--ink);color:#fff;padding:.7rem 1rem;z-index:999;border-radius:.5rem}
.skip-link:focus{top:1rem}
.site-header{position:sticky;top:0;z-index:50;min-height:4.35rem;display:flex;align-items:center;gap:.75rem;padding:.55rem max(1rem,env(safe-area-inset-left));background:rgba(255,253,248,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.brand{display:flex;flex-direction:column;text-decoration:none;color:var(--ink);line-height:1;min-width:max-content}.brand span{font:700 1.25rem var(--serif);letter-spacing:.11em}.brand small{font-size:.62rem;letter-spacing:.16em;margin-top:.3rem}
.menu-button{margin-left:auto;display:flex;align-items:center;gap:.45rem;min-height:2.75rem;padding:.5rem .8rem;border:1px solid var(--line);border-radius:.65rem;background:#fff;color:var(--ink);font-weight:700}
.site-nav{display:none;position:absolute;inset:4.35rem 0 auto 0;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--shadow);padding:.6rem 1rem 1rem;max-height:calc(100vh - 5rem);overflow:auto}
.site-nav.open{display:block}.nav-group{border-bottom:1px solid var(--line);padding:.4rem 0}.nav-group:last-child{border:0}.nav-group>button,.nav-link{width:100%;min-height:2.8rem;display:flex;align-items:center;justify-content:space-between;text-align:left;padding:.55rem .3rem;background:none;border:0;color:var(--ink);font-weight:750;text-decoration:none}.nav-sub{display:none;padding:0 0 .5rem .65rem}.nav-group.expanded .nav-sub{display:grid}.nav-sub a{padding:.55rem .4rem;color:var(--ink-soft);text-decoration:none;border-left:2px solid var(--line)}
main{min-height:calc(100vh - 4.4rem);padding-bottom:7rem}
main:focus{outline:none}
.shell{width:min(74rem,100%);margin:auto;padding:1.3rem 1rem 3rem}.article-shell{width:min(58rem,100%);margin:auto;padding:1.25rem 1rem 4rem}
.eyebrow{margin:0 0 .55rem;color:var(--accent-dark);font-weight:800;font-size:.78rem;letter-spacing:.15em;text-transform:uppercase}
h1,h2,h3{font-family:var(--serif);line-height:1.12;color:var(--ink)}h1{font-size:clamp(2.15rem,9vw,4.7rem);letter-spacing:-.025em;margin:.2rem 0 .8rem}h2{font-size:clamp(1.55rem,5vw,2.35rem);margin:2.2rem 0 .75rem}h3{font-size:1.25rem;margin:1.45rem 0 .55rem}p{margin:.45rem 0 1rem}.lead{font-size:clamp(1.08rem,2vw,1.28rem);color:var(--ink-soft);max-width:44rem}
.home{min-height:calc(100vh - 4.4rem);display:grid;align-content:center}.home-title{text-align:center;margin:0 auto 2rem}.home-title h1{font-size:clamp(3.2rem,15vw,7rem);letter-spacing:.11em;margin:0}.home-title p{margin:.25rem 0;font:700 clamp(1.15rem,4.5vw,1.75rem) var(--sans);letter-spacing:.18em}.home-title small{display:block;color:var(--ink-soft);margin-top:.8rem}
.portal-grid{display:grid;gap:.85rem}.portal-card{position:relative;display:block;text-decoration:none;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:1rem;padding:1.15rem 3.1rem 1.15rem 1.15rem;box-shadow:0 4px 14px rgba(16,34,61,.05)}.portal-card strong{display:block;font:700 1.35rem var(--serif);letter-spacing:.03em}.portal-card span{color:var(--ink-soft);display:block;margin-top:.25rem}.portal-card::after{content:"→";position:absolute;right:1.2rem;top:50%;transform:translateY(-50%);font-size:1.5rem;color:var(--accent)}.portal-card:focus-visible,.portal-card:hover{border-color:var(--accent);transform:translateY(-1px)}
.breadcrumbs{display:flex;gap:.45rem;align-items:center;color:var(--ink-soft);font-size:.88rem;overflow:auto;white-space:nowrap;margin-bottom:1rem}.breadcrumbs a{text-decoration:none}.breadcrumbs span[aria-hidden]{color:#8d97a7}
.local-nav{display:flex;gap:.45rem;overflow:auto;margin:1.1rem -1rem 1.4rem;padding:.15rem 1rem .65rem;scrollbar-width:thin}.local-nav a{white-space:nowrap;text-decoration:none;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:999px;padding:.55rem .8rem;font-weight:700;font-size:.86rem}
.quick-steps{counter-reset:step;list-style:none;padding:0;margin:1rem 0;display:grid;gap:.7rem}.quick-steps li{position:relative;padding:.8rem .9rem .8rem 3.2rem;background:#fff;border:1px solid var(--line);border-radius:.8rem}.quick-steps li::before{counter-increment:step;content:counter(step);position:absolute;left:.75rem;top:.68rem;width:1.75rem;height:1.75rem;display:grid;place-items:center;border-radius:50%;background:var(--ink);color:#fff;font-weight:800}
.callout{border-left:4px solid var(--accent);background:#fff;padding:1rem 1rem 1rem 1.1rem;margin:1.3rem 0;border-radius:0 .75rem .75rem 0;box-shadow:0 3px 16px rgba(16,34,61,.05)}.callout.info{border-color:var(--blue)}.callout.warn{border-color:#d59625;background:#fffaf0}.callout.ok{border-color:var(--ok)}.callout h3{margin:.05rem 0 .4rem;font-family:var(--sans);font-size:1rem;text-transform:uppercase;letter-spacing:.08em}.callout p:last-child{margin-bottom:0}
.method-section{padding-top:.35rem}.plain-list{padding-left:1.2rem}.plain-list li{margin:.5rem 0}.errors li::marker{color:var(--accent)}
.image-figure{margin:1.25rem 0;background:#fff;border:1px solid var(--line);border-radius:1rem;padding:.65rem;box-shadow:var(--shadow)}.image-figure img{width:100%;max-height:42rem;object-fit:contain;border-radius:.55rem}.image-figure figcaption{font-size:.88rem;color:var(--ink-soft);padding:.7rem .35rem .2rem}
.image-grid{display:grid;gap:1rem}.source-badge{display:inline-flex;align-items:center;gap:.4rem;color:var(--ok);font-size:.82rem;font-weight:750}.source-badge::before{content:"✓";width:1.25rem;height:1.25rem;display:grid;place-items:center;background:#e6f4ef;border-radius:50%}
.search-wrap{position:sticky;top:4.8rem;z-index:10;background:var(--paper);padding:.4rem 0 .7rem}.search{width:100%;min-height:3.25rem;border:2px solid var(--ink);border-radius:.8rem;padding:.7rem 1rem;background:#fff;color:var(--ink)}.search:focus{outline:3px solid rgba(204,23,103,.2);border-color:var(--accent)}.result-count{font-size:.85rem;color:var(--ink-soft);margin:.35rem 0 0}
.word-list{display:grid;gap:.65rem;margin-top:1rem}.word-card{background:#fff;border:1px solid var(--line);border-radius:.8rem;padding:.85rem 1rem;display:grid;grid-template-columns:1fr auto;gap:.3rem 1rem;align-items:center}.word-card strong{font-size:1.05rem}.word-card code{background:#eef2f8;border-radius:.4rem;padding:.25rem .45rem;color:var(--ink);font-weight:750;white-space:nowrap}.word-card small{color:var(--ink-soft)}
.sequence{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:.35rem;margin:1.2rem 0;padding:1.1rem .65rem;background:var(--ink);color:#fff;border-radius:1rem;font-weight:900;font-size:clamp(.95rem,4vw,1.45rem);letter-spacing:.035em}.sequence b{color:#ffd34d}.sequence span{color:#8ea1bd}
.access-grid{display:grid;gap:.55rem}.access-row{display:grid;grid-template-columns:6.6rem 1fr;gap:.8rem;align-items:center;padding:.75rem .8rem;background:#fff;border:1px solid var(--line);border-radius:.7rem}.access-row strong{color:var(--accent-dark)}
.memo-button{position:fixed;z-index:60;right:max(1rem,env(safe-area-inset-right));bottom:max(1rem,env(safe-area-inset-bottom));min-width:7rem;min-height:3.35rem;border:0;border-radius:999px;background:var(--accent);color:#fff;font-weight:900;letter-spacing:.08em;box-shadow:0 8px 25px rgba(148,17,72,.35)}.memo-button:focus-visible{outline:3px solid #fff;outline-offset:3px}.memo-button span{margin-right:.2rem}
.route-grid{display:grid;gap:.75rem;margin:1.25rem 0}.route-card{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:4rem;padding:.85rem 1rem;background:#fff;border:1px solid var(--line);border-radius:.8rem;text-decoration:none;color:var(--ink);font-weight:750}.route-card::after{content:"→";color:var(--accent);font-size:1.3rem}.route-card small{display:block;font-weight:500;color:var(--ink-soft)}
.footer-nav{display:flex;gap:.7rem;justify-content:space-between;align-items:center;margin-top:3rem;padding-top:1.2rem;border-top:1px solid var(--line)}.footer-nav a{min-height:2.8rem;display:flex;align-items:center;text-decoration:none;font-weight:750}
.toast{position:fixed;z-index:100;left:50%;bottom:5.3rem;transform:translate(-50%,1rem);opacity:0;pointer-events:none;background:var(--ink);color:#fff;padding:.65rem 1rem;border-radius:.65rem;transition:.2s}.toast.show{opacity:1;transform:translate(-50%,0)}
.pending{border:1px dashed #c28a27;background:#fffaf0;border-radius:.9rem;padding:1rem}.pending strong{color:var(--warn)}
.compact{font-size:.92rem}.muted{color:var(--ink-soft)}.kicker{font-weight:800;color:var(--accent-dark)}
@media (min-width:42rem){.portal-grid{grid-template-columns:repeat(3,1fr)}.portal-card{min-height:10rem;display:flex;flex-direction:column;justify-content:center}.route-grid{grid-template-columns:repeat(2,1fr)}.image-grid{grid-template-columns:repeat(2,1fr)}.word-list{grid-template-columns:repeat(2,1fr)}}
@media (min-width:60rem){.site-header{padding-left:2rem;padding-right:2rem}.menu-button{display:none}.site-nav{display:flex;position:static;margin-left:auto;padding:0;background:none;border:0;box-shadow:none;overflow:visible}.nav-group{position:relative;border:0;padding:0}.nav-group>button,.nav-link{padding:.65rem .8rem;width:auto}.nav-sub{position:absolute;right:0;top:100%;width:20rem;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:.8rem;padding:.45rem;max-height:70vh;overflow:auto}.nav-group:hover .nav-sub,.nav-group:focus-within .nav-sub,.nav-group.expanded .nav-sub{display:grid}.nav-sub a{border:0;border-radius:.45rem}.nav-sub a:hover{background:#f1f4f8}.shell{padding-top:2.5rem}.article-shell{padding-top:2rem}.search-wrap{top:5rem}.word-list{grid-template-columns:repeat(3,1fr)}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{.site-header,.memo-button,.local-nav,.footer-nav{display:none}main{padding:0}.article-shell{width:100%;padding:0}.callout,.word-card,.quick-steps li{break-inside:avoid}}