/* Westward Expansion · Jugami School (Grades 6-8) · palette: parchment, river blue, prairie ochre, pine green, ink */
:root{--ink:#2a2118;--ink2:#54483a;--parchment:#f3e7cc;--paper:#faf4e4;--card:#fffaf0;--line:#dcc9a0;--river:#2b6a8a;--river-dk:#1f4f69;--river-lt:#cfe4ee;--ochre:#c9962f;--ochre-dk:#8a5c10;--ochre-lt:#f1dca6;--pine:#2f5a3c;--pine-lt:#dbe8d5;--rust:#9a3b22;--serif:Georgia,"Iowan Old Style",Palatino,"Palatino Linotype",serif;--sans:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--hand:"Bradley Hand","Segoe Print","Comic Sans MS",cursive;--radius:14px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--parchment);background-image:radial-gradient(circle at 20% 10%,#f8eed6 0,transparent 60%),radial-gradient(circle at 90% 80%,#efdfbd 0,transparent 55%);color:var(--ink);font:18px/1.62 var(--serif)}
a{color:var(--river-dk)}a:hover{color:var(--rust)}
a:focus-visible,button:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--rust);outline-offset:2px}
.skip{position:absolute;left:-999px;top:0;background:#fff;color:var(--ink);padding:10px 14px;z-index:9;font-family:var(--sans)}.skip:focus{left:8px}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{max-width:1060px;margin:0 auto;padding:0 18px}.prose,section>p,section>ul,section>ol{max-width:70ch}
img,svg{max-width:100%}
/* header */
.site-head{background:var(--river-dk);color:#fff}.site-head .bar{display:flex;flex-wrap:wrap;gap:6px 20px;align-items:center;justify-content:space-between;padding-top:8px;padding-bottom:8px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:700;font-size:1.12rem;min-height:44px}.brand:hover{color:#fff}
.brand small{display:block;font:600 .72rem var(--sans);letter-spacing:.08em;text-transform:uppercase;color:var(--ochre-lt)}
.head-nav{display:flex;flex-wrap:wrap;gap:0 16px;font-family:var(--sans);font-size:.95rem}.head-nav a{color:#fff}
.trail-rule{height:10px;background:linear-gradient(90deg,var(--pine) 0 33%,var(--ochre) 33% 66%,var(--river) 66%)}
.crumbs ol{list-style:none;padding:0;margin:14px 0 4px;display:flex;flex-wrap:wrap;gap:0 6px;font-family:var(--sans);font-size:.9rem}.crumbs li+li:before{content:"›";margin-right:6px;color:var(--ink2)}.crumbs [aria-current]{line-height:44px}
/* type */
.kicker{font-family:var(--sans);text-transform:uppercase;letter-spacing:.08em;color:var(--pine);font-weight:700;font-size:.85rem;margin:0}
h1{font-size:clamp(2rem,5.2vw,3.1rem);line-height:1.12;margin:.15em 0 .25em;color:var(--ink)}
h2{color:var(--river-dk);font-size:clamp(1.5rem,3.4vw,2rem);line-height:1.2;margin:2.2em 0 .5em;padding-bottom:6px;border-bottom:3px solid var(--ochre);scroll-margin-top:12px}
h3{font-size:1.2rem;margin:1.3em 0 .3em;color:var(--ink);scroll-margin-top:12px}
.tagline,.sub{font-size:1.18rem;color:var(--ink2);max-width:60ch}
dfn{font-style:normal;font-weight:700;color:var(--pine)}
.orig{font-family:var(--serif)}
/* hero */
.hero{display:grid;gap:18px;align-items:center;margin:8px 0 10px}@media(min-width:820px){.hero{grid-template-columns:1.25fr 1fr}}
.hero-art{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:8px}.hero-art svg{display:block;width:100%;height:auto}
.btn{display:inline-block;font:700 1rem var(--sans);background:var(--river-dk);color:#fff;border:0;border-radius:10px;padding:11px 18px;cursor:pointer;margin:4px 8px 4px 0;text-decoration:none;min-height:44px}
.btn:hover{background:var(--pine);color:#fff}.btn.alt{background:var(--ink2)}.btn.small{padding:6px 12px;font-size:.92rem}
/* toc */
.toc{background:var(--card);border:1px solid var(--line);border-left:6px solid var(--pine);border-radius:var(--radius);padding:10px 18px;font-family:var(--sans);font-size:.95rem;margin:18px 0}
.toc ol{margin:6px 0;padding-left:1.4em}@media(min-width:700px){.toc ol{columns:2;column-gap:40px}}
/* cards */
.cards{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));padding:0;list-style:none;margin:16px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px 18px;box-shadow:0 2px 0 #e6d6b3}.card h3{margin-top:.2em}
.card .q{font-family:var(--sans);font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--ochre-dk);margin:0}
.card.feature{display:grid;gap:14px}@media(min-width:700px){.card.feature{grid-template-columns:220px 1fr;align-items:center}}
.card.feature svg{width:100%;height:auto;border-radius:10px}
.card.soon{background:transparent;border-style:dashed;box-shadow:none}.card.soon h3{color:var(--ink2)}
.badge{display:inline-block;font:700 .75rem var(--sans);background:var(--ochre-lt);color:var(--ink);border-radius:99px;padding:2px 10px;letter-spacing:.03em}
/* callouts */
.callout{background:var(--river-lt);border-left:6px solid var(--river-dk);padding:12px 18px;border-radius:10px;margin:1.2em 0;max-width:76ch}
.callout h2,.callout h3{margin-top:.3em;border:0;padding:0}
.callout.pine{background:var(--pine-lt);border-color:var(--pine)}.callout.ochre{background:#f6ead0;border-color:var(--ochre-dk)}
.method{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));list-style:none;padding:0;margin:12px 0 4px}
.method li{background:var(--card);border-radius:10px;padding:10px 14px;border:1px solid var(--line)}.method svg{width:44px;height:44px;float:right;margin:0 0 4px 8px}
/* quotes */
blockquote{margin:1.1em 0;padding:12px 20px;background:var(--card);border-left:6px solid var(--ochre);border-radius:0 10px 10px 0;font-size:1.08rem;max-width:72ch}
blockquote p{margin:.2em 0}blockquote cite{display:block;font:normal .9rem var(--sans);margin-top:8px;color:var(--ink2)}
.quote-list{list-style:none;padding:0;margin:0}
/* map */
.map{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:8px;margin:14px 0 6px}
.map svg{display:block;width:100%;height:auto}
.map figcaption{font-family:var(--sans);font-size:.92rem;padding:6px 8px;color:var(--ink2)}
.legend{display:flex;flex-wrap:wrap;gap:4px 18px;font-family:var(--sans);font-size:.9rem;list-style:none;padding:0 8px;margin:4px 0}
.legend i{display:inline-block;width:28px;height:0;border-top:4px solid var(--rust);margin-right:6px;vertical-align:middle}
.legend .ret i{border-top:4px dashed var(--pine)}.legend .clark i{border-top:4px dotted var(--ochre-dk)}.legend .river i{border-top:3px solid var(--river)}
.legend .stop i{width:14px;height:14px;border:2px solid var(--ink);border-radius:50%;background:var(--ochre-lt)}
.mk .hit{fill:transparent;stroke:none}.mk .dot{fill:var(--ochre-lt);stroke:var(--ink);stroke-width:2;transition:r .15s}.mk text{font:700 13px var(--sans);fill:var(--ink);pointer-events:none}
.mk:hover .dot,.mk:focus .dot,.mk.on .dot{fill:var(--rust);r:14}.mk:hover text,.mk:focus text,.mk.on text{fill:#fff}
.mk:focus{outline:none}.mk:focus-visible .dot{stroke:var(--rust);stroke-width:4}
/* timeline */
.tl-filter{display:flex;flex-wrap:wrap;gap:6px;font-family:var(--sans);margin:10px 0}
.tl-filter button{font:600 .95rem var(--sans);background:var(--card);border:2px solid var(--river-dk);color:var(--river-dk);border-radius:99px;padding:6px 14px;cursor:pointer;min-height:44px}
.tl-filter button[aria-pressed=true]{background:var(--river-dk);color:#fff}
.timeline{list-style:none;padding:0;margin:14px 0 14px 10px;border-left:4px solid var(--river);max-width:78ch}
.timeline>li{position:relative;padding:6px 0 16px 26px;scroll-margin-top:12px}
.timeline>li:before{content:attr(data-n);position:absolute;left:-16px;top:8px;width:28px;height:28px;border-radius:50%;background:var(--ochre-lt);border:2px solid var(--ink);font:700 12px/24px var(--sans);text-align:center}
.timeline>li.on:before,.timeline>li:target:before{background:var(--rust);color:#fff}
.timeline>li.on .tl-card,.timeline>li:target .tl-card{border-color:var(--rust);box-shadow:0 0 0 2px var(--rust)}
.timeline>li[hidden]{display:none}
.tl-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px 16px}
.tl-date{display:block;font:700 .85rem var(--sans);color:var(--rust);letter-spacing:.03em;text-transform:uppercase}
.tl-card h3{margin:.15em 0 .2em}.tl-card p{margin:.35em 0}
.tl-place{font-family:var(--sans);font-size:.88rem;color:var(--pine);font-weight:600}
.tl-card blockquote{font-size:1rem;margin:.6em 0;padding:8px 14px}
.leg-label{font:700 .8rem var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--pine);margin:18px 0 -4px 26px}
/* people */
.people{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));list-style:none;padding:0;margin:10px 0}
.person{background:var(--card);border:1px solid var(--line);border-top:6px solid var(--river);border-radius:12px;padding:10px 16px}
.person.corps{border-top-color:var(--ochre)}.person.nation{border-top-color:var(--pine)}
.person h4{margin:.2em 0;font-size:1.1rem}.person .role{font:600 .85rem var(--sans);color:var(--ink2);margin:0}
.person p{margin:.4em 0}
/* game */
.game{background:var(--card);border:2px solid var(--river-dk);border-radius:var(--radius);padding:12px 16px;margin:14px 0}
.game-help{font-family:var(--sans);font-size:.95rem}
.game-top{display:flex;flex-wrap:wrap;gap:6px 20px;font:700 1rem var(--sans);color:var(--river-dk);margin:6px 0}
.pages{list-style:none;padding:0;margin:8px 0;counter-reset:pg}
.pages li{display:flex;align-items:center;gap:10px;background:#fffdf6;border:2px solid var(--line);border-radius:10px;padding:8px 10px;margin:6px 0;font-family:var(--serif);counter-increment:pg;min-height:52px}
.pages li:before{content:counter(pg);font:700 .95rem var(--sans);background:var(--river-dk);color:#fff;border-radius:50%;width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;flex:none}
.pages li.held{border-color:var(--rust);background:#fbe9df;box-shadow:0 0 0 2px var(--rust)}
.pages li.right{border-color:var(--pine);background:var(--pine-lt)}.pages li.wrong{border-color:var(--rust)}
.pages .txt{flex:1}.pages .when{display:block;font:700 .82rem var(--sans);color:var(--pine)}
.pages .mv{display:flex;gap:4px;flex:none}
.pages .mv button{font:700 1rem var(--sans);width:44px;height:44px;border-radius:8px;border:2px solid var(--river-dk);background:#fff;color:var(--river-dk);cursor:pointer}
.pages .mv button:disabled{opacity:.35;cursor:default}
.game-btns{display:flex;flex-wrap:wrap;gap:4px}
.game-msg{font:700 1.05rem var(--sans);min-height:1.6em}
.noscript{background:#fff3d6;border:2px dashed var(--ochre-dk);border-radius:10px;padding:10px 16px;font-family:var(--sans)}
details{font-family:var(--sans);font-size:.95rem;margin:8px 0}summary{cursor:pointer;font-weight:700;min-height:44px;line-height:44px}
kbd{font:600 .85em var(--sans);background:#fff;border:1px solid #999;border-bottom-width:2px;border-radius:4px;padding:0 5px}
/* quiz */
.quiz fieldset{border:2px solid var(--line);border-radius:var(--radius);margin:0 0 14px;padding:10px 16px;background:var(--card)}
.quiz legend{font-weight:700;padding:2px 8px;background:var(--card);border-radius:6px;max-width:100%}
.quiz label{display:flex;align-items:center;gap:8px;padding:6px 4px;font-family:var(--sans);cursor:pointer;min-height:44px}
.quiz input{transform:scale(1.25);flex:none}
.quiz .explain{font-family:var(--sans);font-size:.95rem;margin:4px 0 6px}
.ok{color:var(--pine);font-weight:700}.no{color:var(--rust);font-weight:700}
.score{font-family:var(--sans);font-weight:700;font-size:1.1rem}
.talk li{margin:.6em 0}
/* pager, sources, footer */
.pager{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin:36px 0 10px;font-family:var(--sans);font-weight:700;padding:12px 0;border-top:2px dashed var(--line)}.pager .soon-text{color:var(--ink2);font-weight:600;line-height:44px}
.sources ol{font-size:.95rem;max-width:80ch}.sources li{margin:.3em 0}
.colophon{font-family:var(--sans);font-size:.92rem;color:var(--ink2);max-width:75ch}
.site-foot{background:var(--ink);color:#efe4c8;margin-top:40px;padding:22px 0 28px;font-size:.95rem}.site-foot a{color:var(--ochre-lt)}
.site-foot svg{width:120px;height:auto;display:block;margin-bottom:6px}
.jugami-more{margin-top:8px;font-family:var(--sans);display:flex;flex-wrap:wrap;align-items:center;gap:0 10px}.jugami-more span{font-weight:700}
/* tap targets */
.head-nav a,.crumbs a,.toc li a,.jugami-more a,.site-foot a,.pager a{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;line-height:1.3}
.sources a{display:inline-block;min-height:44px;padding:11px 0}
@media print{.site-head,.site-foot,.skip,.game,.tl-filter,.quiz .btn{display:none}body{background:#fff}}
/* quiz feedback */
.quiz label.right{background:var(--pine-lt);border-radius:8px}.quiz label.wrong{background:#f7ddd3;border-radius:8px}
.mark{font:700 .85rem var(--sans);margin-left:auto;padding-left:8px;white-space:nowrap}.mark-ok{color:var(--pine)}.mark-bad{color:var(--rust)}
.verdict{font:700 .98rem var(--sans);margin:6px 0 2px}.verdict.is-right{color:var(--pine)}.verdict.is-wrong{color:var(--rust)}.verdict.is-skip{color:var(--ink2)}
.score:focus{outline:3px solid var(--river);outline-offset:3px}
.opt-letter{margin-right:4px}
.site-head .ja-widget a,.site-head .ja-widget button{color:#fff!important;min-height:44px;display:inline-flex;align-items:center;padding:0 .5rem}
.top-link,.card h3 a{display:inline-block;padding:10px 0;min-height:44px}
@media(max-width:600px){.map-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}.map-scroll svg{min-width:720px}}