/* Introduction pages (intro.js). Colours only from the theme variables, so dark mode follows automatically. */
:root{--ix-accent:#0e7fa8;--ix-accent-soft:rgba(18,61,225,.08);--ix-warn:#8f3d10;--ix-warn-soft:rgba(180,83,26,.1);--ix-ok:#1f7a4d;--ix-ok-soft:rgba(31,122,77,.1)}
@media screen and (prefers-color-scheme: dark){:root{--ix-accent:#7fd3ff;--ix-accent-soft:rgba(143,168,255,.14);--ix-warn:#f0a36b;--ix-warn-soft:rgba(240,163,107,.14);--ix-ok:#7fd8a6;--ix-ok-soft:rgba(127,216,166,.12)}}
.ix-hero{padding:8px 0 18px}.ix-hero h1{font-size:clamp(28px,4vw,44px);line-height:1.25;margin:6px 0 12px;color:var(--ink)}.ix-hero .lead{max-width:760px}
.ix-icon{width:20px;height:20px;flex:none;vertical-align:-4px;color:var(--brand)}.ix-icon-lg{width:34px;height:34px}
.ix-jump{display:flex;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:thin;gap:8px;margin:8px 0 26px;position:sticky;top:64px;z-index:5;padding:10px 0;background:var(--bg)}.ix-jump .ix-chip{flex:none;white-space:nowrap}
.ix-chip{border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:999px;padding:7px 14px;font:inherit;font-size:14px;cursor:pointer;min-height:36px}
.ix-chip:hover{border-color:var(--brand)}.ix-chip[aria-pressed="true"]{background:var(--brand);border-color:var(--brand);color:var(--paper)}
.ix-section{margin:0 0 44px;scroll-margin-top:130px}.ix-section>h2{font-size:clamp(21px,2.6vw,27px);line-height:1.4;margin:0 0 10px;color:var(--ink);outline:none}
.ix-intro{color:var(--muted);line-height:1.85;margin:0 0 18px;max-width:860px}
.ix-asof{display:inline-block;margin-left:10px;font-size:13px;font-weight:600;padding:3px 10px;border-radius:999px;background:var(--ix-warn-soft);color:var(--ix-warn);vertical-align:middle}
.ix-card{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow);color:var(--ink)}
.ix-card h3{margin:10px 0 8px;font-size:18px;line-height:1.45;color:var(--ink)}.ix-card h3 small{display:block;font-size:13px;font-weight:500;color:var(--muted)}.ix-card p{margin:0;line-height:1.8;font-size:15px;color:var(--ink)}
.ix-grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.ix-grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.ix-grid-auto{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}
.ix-case-top{display:flex;align-items:center;justify-content:space-between}.ix-letter{font-size:40px;font-weight:800;line-height:1;color:var(--brand)}
.ix-here{margin-top:12px!important;padding-top:10px;border-top:1px dashed var(--line);color:var(--muted)!important;font-size:14px!important}.ix-here .ix-icon{width:16px;height:16px;margin-right:4px}
.ix-switch{display:inline-flex;flex-wrap:wrap;gap:4px;padding:4px;border:1px solid var(--line);border-radius:12px;background:var(--paper);margin:0 0 14px}
.ix-seg{border:0;background:transparent;color:var(--ink);font:inherit;font-size:15px;padding:9px 16px;border-radius:9px;cursor:pointer;min-height:40px}
.ix-seg[aria-pressed="true"]{background:var(--brand);color:var(--paper);font-weight:600}.ix-seg:focus-visible,.ix-chip:focus-visible,.ix-mod:focus-visible,.ix-v-step:focus-visible{outline:3px solid var(--ix-accent);outline-offset:2px}
.ix-sdv{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:18px}
.ix-sdv-svg{width:100%;height:auto;display:block;margin-bottom:10px}.ix-sdv-svg text{font-size:13px;fill:var(--muted)}.ix-sdv-svg .ix-y{font-weight:600}
.ix-axis path{stroke:var(--line);stroke-width:2}.ix-old-line path{stroke:var(--muted);stroke-width:4;stroke-dasharray:8 7}
.ix-sdv-line path{fill:none;stroke:var(--brand);stroke-width:5;stroke-linejoin:round;stroke-dasharray:900;stroke-dashoffset:900;transition:stroke-dashoffset 1.4s ease}
.ix-sdv-line circle{fill:var(--ix-accent);opacity:0;transition:opacity .4s ease 1s}.ix-sdv-line text{fill:var(--brand);font-weight:700;opacity:0;transition:opacity .4s ease 1.1s}
.ix-sdv[data-state="sdv"] .ix-sdv-line path{stroke-dashoffset:0}.ix-sdv[data-state="sdv"] .ix-sdv-line circle,.ix-sdv[data-state="sdv"] .ix-sdv-line text{opacity:1}
.ix-sdv[data-state="sdv"] .ix-old-line{opacity:.35}.ix-sdv[data-state="sdv"] .ix-ota circle{animation:ix-pulse 2s ease-in-out 1.5s infinite}
.ix-cols3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.ix-cols3>div{padding:14px;border-radius:12px;background:var(--soft)}.ix-cols3 strong{display:block;margin:6px 0 4px;color:var(--ink)}.ix-cols3 p{margin:0;font-size:14px;line-height:1.75;color:var(--ink)}
.ix-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.ix-stat{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:20px;border-top:4px solid var(--brand)}
.ix-stat-num{display:block;font-size:clamp(24px,3vw,34px);font-weight:800;color:var(--brand);line-height:1.2}.ix-stat-label{display:block;margin-top:8px;color:var(--muted);line-height:1.7;font-size:14px}
.ix-src{font-size:13px;color:var(--muted);margin:10px 0 0;line-height:1.8}.ix-src a{color:var(--brand);text-decoration:underline;text-underline-offset:2px}.ix-src span[aria-hidden]{margin:0 6px}
.ix-figure{margin:0 0 14px;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:18px}.ix-figure figcaption{margin-top:10px;line-height:1.8;color:var(--ink);font-size:15px}
.ix-chart{width:100%;height:auto}.ix-bar-who{font-size:13px;fill:var(--ink)}.ix-bar-val{font-size:14px;font-weight:700;fill:var(--brand)}
.ix-bar-rect{fill:var(--brand);transform-box:fill-box;transform-origin:left;animation:ix-grow .9s cubic-bezier(.2,.7,.2,1) both;animation-delay:var(--d)}
.ix-table-wrap{overflow-x:auto;margin:0 0 14px}.ix-table{width:100%;border-collapse:collapse;font-size:14px;background:var(--paper)}.ix-table th,.ix-table td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top;color:var(--ink)}.ix-table a{color:var(--brand)}
.ix-callout{display:flex;gap:12px;align-items:flex-start;padding:16px 18px;border-radius:14px;background:var(--ix-accent-soft);border:1px solid var(--line);margin:0 0 6px}.ix-callout p{margin:0;line-height:1.8;color:var(--ink)}.ix-callout-big p{font-size:18px}
.ix-timeline{list-style:none;margin:0;padding:0;position:relative}.ix-timeline:before{content:"";position:absolute;left:92px;top:6px;bottom:6px;width:2px;background:var(--line)}
.ix-news{display:grid;grid-template-columns:84px 1fr;gap:24px;padding:0 0 18px;position:relative;animation:ix-rise .5s ease both;animation-delay:var(--d)}
.ix-news:before{content:"";position:absolute;left:86px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--paper);border:3px solid var(--brand)}
.ix-news-date{font-weight:700;color:var(--brand);font-size:14px;padding-top:2px}.ix-news-body{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.ix-news-body h3{margin:0 0 6px;font-size:16px;color:var(--ink)}.ix-news-body p{margin:0 0 4px;line-height:1.75;font-size:14.5px;color:var(--ink)}
.ix-mean{color:var(--muted)!important}.ix-mean .ix-icon{width:16px;height:16px;margin-right:4px}
.ix-note{display:flex;gap:8px;align-items:flex-start;color:var(--muted);font-size:14px;line-height:1.75;margin:12px 0 0}.ix-note .ix-icon{color:var(--ix-warn)}
.ix-steps{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:0 0 14px}.ix-steps>div{flex:1 1 160px;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:14px;text-align:center}
.ix-steps strong{display:block;margin:6px 0 2px;color:var(--ink)}.ix-steps span{font-size:13px;color:var(--muted);line-height:1.6}.ix-step-arrow{color:var(--muted)}
.ix-pager{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:20px 0 8px;border-top:1px solid var(--line)}
/* 02: module explorer */
.ix-explorer{display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:16px}
.ix-mods{display:grid;grid-template-columns:1fr 1fr;gap:8px;align-content:start}
.ix-mod{display:flex;gap:8px;align-items:center;text-align:left;border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:12px;padding:10px;cursor:pointer;font:inherit;min-height:52px;transition:transform .15s,border-color .15s}
.ix-mod:hover{transform:translateY(-1px);border-color:var(--brand)}.ix-mod strong{display:block;font-size:14px}.ix-mod small{display:block;font-size:12px;color:var(--muted)}
.ix-mod[aria-pressed="true"]{border-color:var(--brand);background:var(--ix-accent-soft);box-shadow:inset 3px 0 0 var(--brand)}
.ix-mod-view{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:20px;min-height:320px}
.ix-mod-panel h3{display:flex;align-items:center;gap:10px;margin:0 0 14px;font-size:22px;color:var(--ink)}.ix-mod-panel h3 small{font-size:14px;font-weight:500;color:var(--muted)}
.ix-mod-panel:not([hidden]){animation:ix-rise .35s ease both}.ix-mod-rows{display:grid;gap:12px}.ix-mod-row{display:grid;grid-template-columns:170px 1fr;gap:12px;align-items:start}.ix-mod-row p{margin:0;line-height:1.85;color:var(--ink)}
.ix-tag{display:inline-block;font-size:13px;font-weight:700;padding:5px 10px;border-radius:8px;background:var(--soft);color:var(--ink);text-align:center}.ix-tag-why{background:var(--ix-accent-soft);color:var(--brand)}.ix-tag-seam{background:var(--ix-warn-soft);color:var(--ix-warn)}
.ix-mod-seam{padding:12px;border-radius:12px;border:1px dashed var(--ix-warn)}
/* 02: bug curve and seams */
.ix-curve{width:100%;height:auto}.ix-phases rect{fill:var(--soft);stroke:var(--line)}.ix-phases rect.ix-hot{fill:var(--ix-warn-soft);stroke:var(--ix-warn)}
.ix-phases text,.ix-curve-note text{font-size:14px;font-weight:700;fill:var(--ink);text-anchor:middle}.ix-gates path{stroke:var(--line);stroke-dasharray:4 5}.ix-gates text{font-size:11.5px;fill:var(--muted);text-anchor:middle}
.ix-axes path{stroke:var(--muted);stroke-width:2;fill:none}.ix-axes text{font-size:12px;fill:var(--muted)}
.ix-curve-path{fill:none;stroke:var(--brand);stroke-width:5;stroke-linecap:round;stroke-dasharray:760;stroke-dashoffset:760;animation:ix-draw 2.2s ease .3s forwards}
.ix-curve-note rect{fill:var(--paper);stroke:var(--ix-warn);stroke-width:2}.ix-curve-note{opacity:0;animation:ix-fade .5s ease 2.2s forwards}.ix-arrow-line{stroke:var(--ix-warn);stroke-width:4;stroke-linecap:round}
.ix-mini{width:100%;height:auto;margin:6px 0 10px}.ix-mini-box rect,.ix-mini-box path{fill:var(--soft);stroke:var(--muted);stroke-width:1.5}.ix-mini-text text{font-size:13px;font-weight:700;fill:var(--ink);text-anchor:middle}.ix-mini-text.ix-small text{font-size:12px}
.ix-mini-link path{stroke:var(--muted);stroke-width:2;fill:none}.ix-mini-warn circle{fill:var(--ix-warn);opacity:.85;transform-box:fill-box;transform-origin:center;animation:ix-pulse 2.2s ease-in-out infinite}
.ix-seam ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}.ix-seam li{display:flex;gap:8px;align-items:flex-start;line-height:1.7;font-size:14.5px;color:var(--ink)}.ix-seam li .ix-icon{color:var(--ix-warn);width:17px;height:17px;margin-top:3px}
.ix-link-card{display:block;text-decoration:none;position:relative;transition:transform .15s,border-color .15s}.ix-link-card:hover{transform:translateY(-2px);border-color:var(--brand)}.ix-go{position:absolute;right:16px;top:18px}
.ix-flow{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0 0 16px;padding:0}.ix-flow li{flex:1 1 150px;display:flex;align-items:center;gap:8px;padding:12px 14px;border-radius:12px;background:var(--paper);border:1px solid var(--line);font-weight:600;color:var(--ink);animation:ix-rise .45s ease both;animation-delay:var(--d)}
.ix-flow li span{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--brand);color:var(--paper);font-size:13px;flex:none}
/* 03: V model */
.ix-v{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:18px}
.ix-v-grid{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:repeat(4,auto);column-gap:18%;row-gap:10px;position:relative;padding:24px 0 6px}
.ix-v-step{position:relative;z-index:1;text-align:left;border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:12px;padding:10px 12px;cursor:pointer;font:inherit;transition:transform .15s,border-color .15s,background .15s}
.ix-v-step strong{display:block;font-size:15px}.ix-v-step small{display:block;font-size:12.5px;color:var(--muted);line-height:1.5}.ix-v-step:hover{border-color:var(--brand);transform:translateY(-1px)}
.ix-v-step[aria-pressed="true"]{background:var(--brand);border-color:var(--brand);color:var(--paper)}.ix-v-step[aria-pressed="true"] small{color:var(--paper);opacity:.85}
.ix-v-l{grid-column:1;grid-row:var(--row);margin-left:calc((var(--row) - 1) * 9%)}.ix-v-r{grid-column:2;grid-row:var(--row);margin-right:calc((var(--row) - 1) * 9%)}
.ix-v-lines{position:absolute;inset:0;width:100%;height:100%;z-index:0}.ix-v-lines path{fill:none;stroke:var(--line);stroke-width:1.2;stroke-dasharray:3 3;vector-effect:non-scaling-stroke}
.ix-v-label{position:absolute;top:0;font-size:12px;font-weight:700;color:var(--muted)}.ix-v-label-l{left:0}.ix-v-label-r{right:0}
.ix-v-result{margin-top:14px;padding:14px;border-radius:12px;background:var(--soft);min-height:84px}.ix-v-result h3{margin:0 0 10px;color:var(--ink);font-size:18px}.ix-v-result h3 small{margin-left:10px;font-size:13px;font-weight:500;color:var(--muted)}
.ix-v-hint{display:flex;gap:8px;margin:0;line-height:1.75;color:var(--ink)}.ix-v-cols{display:grid;grid-template-columns:1fr 1fr;gap:14px}.ix-v-cap{margin:0 0 6px;font-weight:700;color:var(--ink);font-size:14px}.ix-v-more{margin:10px 0 0;font-size:13px;color:var(--muted)}
.ix-pills{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}.ix-pills li{display:inline-flex;align-items:center;gap:5px;padding:6px 10px;border-radius:999px;background:var(--paper);border:1px solid var(--line);font-size:13.5px;color:var(--ink);animation:ix-rise .3s ease both}
.ix-pills li .ix-icon{width:15px;height:15px}.ix-pills-std li{border-color:var(--brand);color:var(--brand);font-weight:600}
/* 03: AUTOSAR, safety, security, A-SPICE, methods */
.ix-autosar{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:16px;margin:0 0 16px}
.ix-stack{display:grid;gap:6px}.ix-layer{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:12px 14px;border-radius:10px;border:1px solid var(--line);background:var(--paper);border-left:6px solid var(--brand);animation:ix-slide .4s ease both;animation-delay:calc(var(--i) * .07s)}
.ix-layer strong{color:var(--ink);font-size:15px}.ix-layer span{color:var(--muted);font-size:13px;text-align:right}.ix-layer-ap{border-left-color:var(--ix-accent)}
.ix-compare .ix-cmp{background:var(--soft);border-radius:14px;padding:16px;height:100%}.ix-cmp h3{margin:0 0 8px;color:var(--ink)}.ix-cmp ul{margin:0;padding-left:20px;line-height:1.9;color:var(--ink)}
.ix-why3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.ix-why3>div{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:14px}.ix-why3 strong{display:block;margin:6px 0;color:var(--ink)}.ix-why3 p{margin:0;font-size:14px;line-height:1.8;color:var(--ink)}
.ix-zones{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:0 0 18px}.ix-zone{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:18px;border-top:5px solid var(--brand);animation:ix-rise .45s ease both;animation-delay:var(--d)}
.ix-zone:nth-child(2){border-top-color:var(--ix-accent)}.ix-zone:nth-child(3){border-top-color:var(--ix-warn)}.ix-when{margin:8px 0 0!important;font-size:13px!important;color:var(--muted)!important;font-weight:700}.ix-zone h3{margin:2px 0 8px;color:var(--ink)}.ix-zone p{margin:0;line-height:1.8;font-size:14.5px;color:var(--ink)}
.ix-sub{font-size:17px;margin:4px 0 10px;color:var(--ink)}
.ix-asil{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;align-items:end;margin:0 0 10px}.ix-asil-step{border-radius:10px;padding:10px;text-align:center;background:var(--ix-accent-soft);border:1px solid var(--line);min-height:calc(50px + var(--i) * 16px);display:flex;flex-direction:column;justify-content:flex-end}
.ix-asil-step:nth-child(4),.ix-asil-step:nth-child(5){background:var(--ix-warn-soft)}.ix-asil-step strong{font-size:20px;color:var(--ink)}.ix-asil-step span{font-size:12px;color:var(--muted);line-height:1.5}
.ix-sec{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:0 0 16px}.ix-sec-box{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:18px}.ix-sec-box h3{margin:8px 0;color:var(--ink)}.ix-sec-box p{margin:0;line-height:1.8;font-size:14.5px;color:var(--ink)}.ix-sec-std{background:var(--ix-accent-soft)}
.ix-years{list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin:0;padding:0;position:relative}.ix-years:before{content:"";position:absolute;left:0;right:0;top:9px;height:3px;background:var(--line)}
.ix-years li{position:relative;padding:26px 10px 0 0;line-height:1.6;font-size:14px;color:var(--ink);animation:ix-rise .4s ease both;animation-delay:var(--d)}.ix-years li:before{content:"";position:absolute;left:0;top:2px;width:18px;height:18px;border-radius:50%;background:var(--brand);border:3px solid var(--paper)}.ix-years span{display:block;font-weight:800;color:var(--brand)}
.ix-levels{display:grid;grid-template-columns:repeat(6,1fr);gap:6px;align-items:end;margin:0 0 12px}.ix-level{background:var(--paper);border:1px solid var(--line);border-bottom:5px solid var(--brand);border-radius:10px;padding:10px 8px;min-height:calc(70px + var(--i) * 18px);display:flex;flex-direction:column;justify-content:flex-end;animation:ix-rise .4s ease both;animation-delay:calc(var(--i) * .08s)}
.ix-level strong{font-size:24px;color:var(--brand)}.ix-level span{font-weight:700;color:var(--ink);font-size:14px}.ix-level small{color:var(--muted);font-size:12px;line-height:1.5}.ix-level:nth-child(3),.ix-level:nth-child(4){border-bottom-color:var(--ix-accent);box-shadow:0 0 0 2px var(--ix-accent-soft)}
.ix-method{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:18px}.ix-method p{line-height:1.85;color:var(--ink);margin:12px 0 0}
.ix-wf{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}.ix-wf span{padding:10px;border-radius:10px;background:var(--ix-accent-soft);border:1px solid var(--line);text-align:center;font-weight:700;color:var(--ink);margin-top:calc(var(--i) * 12px);animation:ix-rise .4s ease both;animation-delay:calc(var(--i) * .12s)}
.ix-vmini svg{width:100%;max-width:520px;height:auto;display:block;margin:auto}.ix-vmini-path{fill:none;stroke:var(--brand);stroke-width:5;stroke-linejoin:round;stroke-dasharray:420;stroke-dashoffset:420;animation:ix-draw 1.2s ease forwards}.ix-vmini-pair{stroke:var(--ix-accent);stroke-width:2.5;stroke-dasharray:5 5}
.ix-loop{position:relative;width:220px;margin:0 auto}.ix-loop svg{width:220px;height:220px;display:block}.ix-loop-ring{fill:none;stroke:var(--line);stroke-width:10}.ix-loop-arc{fill:none;stroke:var(--brand);stroke-width:10;stroke-linecap:round;transform-origin:80px 80px;animation:ix-spin 3.2s linear infinite}
.ix-loop-labels span{position:absolute;font-weight:700;font-size:14px;color:var(--ink);background:var(--paper);padding:2px 6px;border-radius:6px}.ix-loop-labels span:nth-child(1){top:4px;left:50%;transform:translateX(-50%)}.ix-loop-labels span:nth-child(2){right:-10px;top:50%;transform:translateY(-50%)}.ix-loop-labels span:nth-child(3){bottom:4px;left:50%;transform:translateX(-50%)}.ix-loop-labels span:nth-child(4){left:-10px;top:50%;transform:translateY(-50%)}
.ix-hybrid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.ix-hybrid>div{padding:16px;border-radius:12px;background:var(--soft);text-align:center}.ix-hybrid strong{display:block;margin:6px 0 4px;color:var(--ink)}.ix-hybrid span{font-size:14px;color:var(--muted);line-height:1.7}
/* 03: tools */
.ix-filter{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 14px}
.ix-tools{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:14px}
.ix-tool{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:18px;display:flex;flex-direction:column;gap:10px;transition:box-shadow .25s,border-color .25s,transform .25s}
.ix-tool.ix-lit{border-color:var(--brand);box-shadow:0 0 0 3px var(--ix-accent-soft);transform:translateY(-2px)}
.ix-tool header{display:flex;gap:12px;align-items:center}.ix-tool h3{margin:0;font-size:18px;color:var(--ink)}.ix-maker{margin:2px 0 0;font-size:13px;color:var(--muted)}
.ix-tool dl{margin:0;display:grid;gap:10px}.ix-tool dt{display:flex;gap:6px;align-items:center;font-weight:700;font-size:13.5px;color:var(--brand)}.ix-tool dt .ix-icon{width:16px;height:16px}.ix-tool dd{margin:4px 0 0;line-height:1.8;font-size:14.5px;color:var(--ink)}
.ix-tool-note{display:flex;gap:6px;margin:0;padding:10px;border-radius:10px;background:var(--ix-warn-soft);font-size:13.5px;line-height:1.7;color:var(--ink)}.ix-tool-note .ix-icon{color:var(--ix-warn);width:17px;height:17px}
.ix-phases-used{margin:auto 0 0;padding-top:8px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted)}.ix-phases-used a{color:var(--brand);text-decoration:underline;text-underline-offset:2px}
/* home: first reading */
.ix-first{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;margin:18px 0 6px;padding:18px 20px;border-radius:16px;background:var(--paper);border:1px solid var(--line);border-left:6px solid var(--brand);box-shadow:var(--shadow)}
.ix-first h2{margin:0 0 4px;font-size:18px;color:var(--ink)}.ix-first p{margin:0;color:var(--muted);line-height:1.7;font-size:14.5px}
@keyframes ix-draw{to{stroke-dashoffset:0}}@keyframes ix-fade{to{opacity:1}}@keyframes ix-grow{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@keyframes ix-rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@keyframes ix-slide{from{opacity:0;transform:translateX(-10px)}to{opacity:1;transform:none}}
@keyframes ix-pulse{0%,100%{opacity:.55;transform:scale(1)}50%{opacity:1;transform:scale(1.25)}}@keyframes ix-spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion: reduce){.ix-hero *,.ix-section *{animation:none!important;transition:none!important}.ix-curve-path,.ix-vmini-path{stroke-dashoffset:0}.ix-curve-note{opacity:1}.ix-sdv[data-state="sdv"] .ix-sdv-line path{stroke-dashoffset:0}}
@media (max-width:980px){.ix-grid4{grid-template-columns:repeat(2,minmax(0,1fr))}.ix-explorer{grid-template-columns:1fr}.ix-mods{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}.ix-autosar{grid-template-columns:1fr}}
@media (max-width:720px){.ix-grid4,.ix-grid3,.ix-cols3,.ix-stats,.ix-zones,.ix-sec,.ix-why3,.ix-v-cols,.ix-hybrid{grid-template-columns:1fr}.ix-mod-row{grid-template-columns:1fr}.ix-years{grid-template-columns:1fr 1fr;row-gap:12px}
 .ix-news{grid-template-columns:1fr;gap:6px;padding-left:22px}.ix-timeline:before{left:6px}.ix-news:before{left:0}.ix-levels{grid-template-columns:repeat(3,1fr)}.ix-wf{grid-template-columns:1fr}.ix-wf span{margin-top:0;margin-left:calc(var(--i) * 12px)}
 .ix-v-grid{grid-template-columns:1fr;column-gap:0}.ix-v-l,.ix-v-r{grid-column:1;grid-row:auto;margin:0}.ix-v-lines,.ix-v-label{display:none}.ix-first{grid-template-columns:1fr}.ix-jump{position:static}.ix-asil{grid-template-columns:repeat(5,1fr)}}
.step-strip.step-strip-4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:980px){.step-strip.step-strip-4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:720px){.step-strip.step-strip-4{grid-template-columns:1fr}}

/* Animated hero illustrations */
.ix-hero-art{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:24px;align-items:center}
.ix-art-wrap{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:12px;box-shadow:var(--shadow)}.ix-art{width:100%;height:auto;display:block}
.ix-art text{font-size:13px;font-weight:700;fill:var(--ink);text-anchor:middle}.ix-art-road path{stroke:var(--line);stroke-width:3}
.ix-art-car path,.ix-art-car circle{fill:var(--soft);stroke:var(--brand);stroke-width:2.5}.ix-art-car .ix-art-tcu{fill:var(--brand)}.ix-art-car text{fill:var(--paper);font-size:10px}
.ix-art-tower path{fill:none;stroke:var(--muted);stroke-width:2.5;stroke-linecap:round}.ix-art-wave{stroke:var(--ix-accent)!important;animation:ix-blink 1.6s ease-in-out infinite}
.ix-art-cloud path{fill:var(--soft);stroke:var(--brand);stroke-width:2.5}.ix-art-path{fill:none;stroke:var(--line);stroke-width:3;stroke-dasharray:6 6}
.ix-art-dot{fill:var(--brand);offset-path:path("M104 138 C 150 70, 200 70, 246 92 S 320 70, 340 64");animation:ix-travel 3.2s linear infinite}
.ix-art-dot.ix-late{animation-delay:1.6s}.ix-art-down{fill:var(--ix-warn);animation-name:ix-travel-back;animation-delay:.8s}
.ix-art-label rect{fill:var(--ix-accent-soft);stroke:var(--brand);stroke-width:1.2}.ix-art-label .ix-art-ota{fill:var(--ix-warn-soft);stroke:var(--ix-warn)}
.ix-art-boxes rect{fill:var(--soft);stroke:var(--brand);stroke-width:2}.ix-art-names text{font-size:14px}.ix-art-owner text{font-size:12px;fill:var(--muted);font-weight:600}
.ix-art-links path{stroke:var(--muted);stroke-width:3}.ix-art-seams circle{fill:var(--ix-warn);opacity:.2;transform-box:fill-box;transform-origin:center;animation:ix-seam 2.4s ease-in-out infinite}
.ix-art-seams .ix-late{animation-delay:.8s}.ix-art-seams .ix-later{animation-delay:1.6s}
.ix-art-v{fill:none;stroke:var(--brand);stroke-width:6;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:560;stroke-dashoffset:560;animation:ix-vloop 6s ease-in-out infinite}
.ix-art-nodes circle{fill:var(--paper);stroke:var(--brand);stroke-width:2.5}.ix-art-nodes path{fill:none;stroke:var(--brand);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.ix-art-nodes g{opacity:0;animation:ix-node 6s ease-in-out infinite;animation-delay:calc(var(--i) * .35s)}.ix-art-vlabels text{fill:var(--muted);font-size:12px}
.ix-art-pair{stroke:var(--ix-accent);stroke-width:2;stroke-dasharray:4 6;fill:none;opacity:.7}
@keyframes ix-travel{from{offset-distance:0%}to{offset-distance:100%}}@keyframes ix-travel-back{from{offset-distance:100%}to{offset-distance:0%}}
@keyframes ix-blink{0%,100%{opacity:.35}50%{opacity:1}}@keyframes ix-seam{0%,100%{opacity:.15;transform:scale(.8)}50%{opacity:.9;transform:scale(1.25)}}
@keyframes ix-vloop{0%{stroke-dashoffset:560}45%,85%{stroke-dashoffset:0}100%{stroke-dashoffset:560}}@keyframes ix-node{0%,10%{opacity:0;transform:translateY(6px)}25%,85%{opacity:1;transform:none}100%{opacity:0}}
@media (prefers-reduced-motion: reduce){.ix-art *{animation:none!important}.ix-art-v{stroke-dashoffset:0}.ix-art-nodes g{opacity:1}.ix-art-dot{offset-distance:40%}.ix-art-down{offset-distance:70%}.ix-art-seams circle{opacity:.8}}
@media (max-width:980px){.ix-hero-art{grid-template-columns:1fr}.ix-art-wrap{max-width:520px}}

/* ---- Motion for every curriculum figure (figures.js): flows travel along arrows, parts appear in order ---- */
.tf-arrow-line{overflow:visible}
/* Travelling dots only on long flows (6+ boxes): short flows read better standing still (operator's review, 2026-09-24).
   The dot runs twice to show the direction, then stops. */
.tf-arrow-line::after{content:none}
.tf-flow:is([style*="--n: 6;"],[style*="--n: 7;"],[style*="--n: 8;"],[style*="--n: 9;"],[style*="--n: 10;"],[style*="--n: 11;"],[style*="--n: 12;"],[style*="--n: 13;"],[style*="--n: 14;"],[style*="--n: 15;"],[style*="--n: 16;"],[style*="--n: 17;"],[style*="--n: 18;"],[style*="--n: 19;"],[style*="--n: 20;"]) .tf-arrow-line::after{content:"";position:absolute;top:50%;left:0;width:6px;height:6px;margin:-3px 0 0 -3px;border-radius:50%;background:var(--ix-accent);opacity:0;animation:tf-travel 1.6s linear .9s 2 both}
.tf-flow .tf-node,.tf-layers .tf-layer,.tf-cards .tf-card,.tf-seq .tf-seq-item,.tf-bars .tf-bar-row{animation:ix-rise .5s ease both}
.tf-flow>*:nth-child(1),.tf-layers>*:nth-child(1),.tf-cards>*:nth-child(1),.tf-seq .tf-seq-item:nth-child(1),.tf-bars>*:nth-child(1){animation-delay:.05s}
.tf-flow>*:nth-child(2) .tf-node,.tf-flow>.tf-node:nth-child(3),.tf-layers>*:nth-child(2),.tf-cards>*:nth-child(2),.tf-seq .tf-seq-item:nth-child(2),.tf-bars>*:nth-child(2){animation-delay:.35s}
.tf-flow>.tf-node:nth-child(5),.tf-layers>*:nth-child(3),.tf-cards>*:nth-child(3),.tf-seq .tf-seq-item:nth-child(3),.tf-bars>*:nth-child(3){animation-delay:.65s}
.tf-flow>.tf-node:nth-child(7),.tf-layers>*:nth-child(4),.tf-cards>*:nth-child(4),.tf-seq .tf-seq-item:nth-child(4),.tf-bars>*:nth-child(4){animation-delay:.95s}
.tf-flow>.tf-node:nth-child(9),.tf-layers>*:nth-child(5),.tf-cards>*:nth-child(5),.tf-seq .tf-seq-item:nth-child(5),.tf-bars>*:nth-child(5){animation-delay:1.25s}
.tf-flow>.tf-node:nth-child(n+11),.tf-layers>*:nth-child(n+6),.tf-cards>*:nth-child(n+6),.tf-seq .tf-seq-item:nth-child(n+6),.tf-bars>*:nth-child(n+6){animation-delay:1.55s}
.tf-bar{transform-origin:left;animation:ix-grow 1s cubic-bezier(.2,.7,.2,1) .3s both}
.is-hl{animation:tf-glow 2.4s ease-in-out .6s 3}
@keyframes tf-travel{0%{left:0;opacity:0}12%{opacity:1}88%{opacity:1}100%{left:100%;opacity:0}}
@keyframes tf-glow{0%,100%{box-shadow:0 0 0 0 rgba(18,61,225,0)}50%{box-shadow:0 0 0 6px var(--ix-accent-soft)}}
@media (prefers-reduced-motion: reduce){.tf-arrow-line::after{display:none}.tf-flow .tf-node,.tf-layers .tf-layer,.tf-cards .tf-card,.tf-seq .tf-seq-item,.tf-bars .tf-bar-row,.tf-bar,.is-hl{animation:none!important}}

/* AUTOSAR Classic modules */
.ix-cp{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:16px}
.ix-cp-grid{display:grid;gap:6px}.ix-cp-row{display:grid;grid-template-columns:150px 1fr;gap:8px;align-items:stretch;padding:8px;border-radius:12px;border:1px solid var(--line);background:var(--paper)}
.ix-cp-label{font-size:12.5px;font-weight:700;color:var(--muted);display:flex;align-items:center}.ix-cp-mods{display:flex;flex-wrap:wrap;gap:6px}
.ix-cp-mod{border:1px solid var(--line);background:var(--soft);color:var(--ink);border-radius:8px;padding:8px 10px;font:inherit;font-size:13.5px;cursor:pointer;min-height:38px}
.ix-cp-mod:hover{border-color:var(--brand)}.ix-cp-mod[aria-pressed="true"]{background:var(--brand);border-color:var(--brand);color:var(--paper)}
.ix-cp-app{border-left:5px solid var(--brand)}.ix-cp-rte{border-left:5px solid var(--ix-warn)}.ix-cp-svc{border-left:5px solid #6f7fd8}.ix-cp-abs{border-left:5px solid var(--ix-ok)}.ix-cp-mcal{border-left:5px solid #c05a7a}.ix-cp-cdd{border-left:5px dashed var(--muted)}.ix-cp-hw{border-left:5px solid var(--ink)}
.ix-cp-view{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:18px;align-self:start;position:sticky;top:130px}.ix-cp-view h3{margin:4px 0 8px;color:var(--ink)}.ix-cp-view p{line-height:1.85;color:var(--ink);margin:0}
/* ECU Linux */
.ix-lx-stack{display:grid;gap:6px;margin:0 0 14px}.ix-lx{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:12px 14px;border-radius:10px;border:1px solid var(--line);background:var(--paper);animation:ix-slide .4s ease both;animation-delay:calc(var(--i) * .07s)}
.ix-lx strong{color:var(--ink)}.ix-lx span{font-size:13.5px;color:var(--muted);text-align:right}.ix-lx-user{border-left:6px solid var(--brand)}.ix-lx-sys{border-left:6px solid #6f7fd8}.ix-lx-kernel{border-left:6px solid var(--ix-ok)}.ix-lx-drv{border-left:6px solid #c05a7a}.ix-lx-hw{border-left:6px solid var(--ink)}
/* Data-flow player */
.ix-player{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:16px}
.ix-stage{display:grid;grid-template-columns:130px 110px minmax(0,1fr);gap:12px;align-items:stretch}
.ix-peer{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:12px;border-radius:12px;background:var(--soft);text-align:center}.ix-peer strong{color:var(--ink);font-size:14px}.ix-peer span{font-size:12px;color:var(--muted)}
.ix-bus{display:flex;align-items:center;justify-content:center;border-radius:12px;border:2px dashed var(--line);font-size:13px;font-weight:700;color:var(--muted);text-align:center;padding:8px;transition:all .3s}
.ix-me{border:2px solid var(--line);border-radius:14px;padding:10px}.ix-me-title{margin:0 0 8px;font-weight:700;font-size:13.5px;color:var(--muted)}.ix-me-body{display:grid;grid-template-columns:minmax(0,1fr) 150px;gap:8px}
.ix-layers-col,.ix-side-col{display:grid;gap:6px;align-content:start}.ix-lay{padding:9px 12px;border-radius:9px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font-size:13.5px;transition:all .3s}
.ix-lay-side{border-style:dashed}
.ix-on{border-color:var(--brand)!important;background:var(--ix-accent-soft)!important;color:var(--ink);box-shadow:0 0 0 3px var(--ix-accent-soft);font-weight:700;animation:ix-onpulse 1.2s ease-in-out infinite}
.ix-bus.ix-on{border-style:solid}
.ix-step-box{margin-top:12px;padding:12px 14px;border-radius:12px;background:var(--soft);min-height:96px}.ix-step-box p{margin:0 0 4px;line-height:1.75;color:var(--ink)}
.ix-step-no{font-size:12.5px;color:var(--muted)!important;font-weight:700}.ix-step-dir{display:inline-block;font-size:12.5px;font-weight:700;padding:2px 10px;border-radius:999px;background:var(--ix-accent-soft);border:1px solid var(--brand);color:var(--ink)!important}
.ix-step-dir[data-dir="加工"]{background:var(--ix-warn-soft);border-color:var(--ix-warn)}.ix-step-dir[data-dir="送信"]{background:var(--ix-ok-soft);border-color:var(--ix-ok)}
.ix-packet{display:inline-block;margin-top:6px!important;padding:5px 12px;border-radius:8px;background:var(--paper);border:1px solid var(--brand);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}
.ix-pop{animation:ix-packetin .45s cubic-bezier(.2,.8,.2,1)}
.ix-controls{display:flex;gap:8px;justify-content:center;margin-top:12px;flex-wrap:wrap}
@keyframes ix-onpulse{0%,100%{box-shadow:0 0 0 2px var(--ix-accent-soft)}50%{box-shadow:0 0 0 7px var(--ix-accent-soft)}}@keyframes ix-packetin{from{opacity:0;transform:translateY(-8px) scale(.96)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion: reduce){.ix-on,.ix-pop,.ix-lx{animation:none!important}}
@media (max-width:980px){.ix-cp{grid-template-columns:1fr}.ix-cp-view{position:static}}
@media (max-width:720px){.ix-stage{grid-template-columns:1fr}.ix-bus{min-height:44px}.ix-me-body{grid-template-columns:1fr}.ix-cp-row{grid-template-columns:1fr}.ix-lx{flex-direction:column;align-items:flex-start}.ix-lx span{text-align:left}}
/* Course groups (lessons / quests): one major item per course, opened on demand */
.course-group{margin:0 0 12px;border:1px solid var(--line);border-radius:14px;background:var(--paper)}
.course-group>summary{display:flex;align-items:center;gap:14px;padding:16px 20px;cursor:pointer;list-style:none;border-radius:14px}
.course-group>summary::-webkit-details-marker{display:none}.course-group>summary:hover{background:var(--soft)}
.course-group>summary:focus-visible{outline:3px solid var(--ix-accent);outline-offset:2px}
.course-group-title{font-size:18px;font-weight:700;color:var(--ink)}.course-group-meta{font-size:13.5px;color:var(--muted);font-weight:600}
.course-group-hint{margin-left:auto;width:12px;height:12px;border-right:2.5px solid var(--muted);border-bottom:2.5px solid var(--muted);transform:rotate(45deg);transition:transform .2s}
.course-group[open]>summary .course-group-hint{transform:rotate(-135deg)}.course-group>.cards{padding:0 16px 16px}
@media (prefers-reduced-motion: reduce){.course-group-hint{transition:none}}

/* Dictionary v2 */
.dict-domains{display:flex;flex-wrap:wrap;gap:8px;margin:4px 0 12px}
.dict-item h3 small{display:block;font-size:13px;color:var(--muted);font-weight:500;margin-top:2px}
.dict-entry .dict-lead{font-size:1.08em;line-height:1.9;color:var(--ink);padding:12px 16px;border-left:4px solid var(--brand);background:var(--soft);border-radius:8px}
.dict-points li{margin:6px 0;line-height:1.8}
.dict-entry #dictFigure{margin:8px 0 4px}

/* Dictionary v2 list */
.dict-filters{display:grid;gap:6px;margin:6px 0 10px}.dict-filter-label{margin:6px 0 0;font-size:13px;font-weight:700;color:var(--muted)}
.dict-filters .ix-seg small{font-weight:600;opacity:.8}.dict-index .ix-seg{min-width:40px}
.dict-badges{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 0}.dict-pager{justify-content:center;margin-top:14px}

/* Step player under lesson sequence figures */
.lesson-player{margin:-6px 0 18px}

/* 04 自動車のソフト開発（記事） */
.ar-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.ar-card{display:flex;flex-direction:column;gap:6px;padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:inherit;text-decoration:none}
.ar-card:hover,.ar-card:focus-visible{border-color:var(--accent)}
.ar-card strong{font-size:1.02rem}.ar-card span{color:var(--muted);line-height:1.6}.ar-card small{color:var(--muted)}
.ar-body{max-width:820px}.ar-sec{margin:28px 0}.ar-sec h2{font-size:1.2rem;margin:0 0 10px}.ar-sec p{line-height:1.9;margin:0 0 12px}
.ar-refs{padding-left:1.2em;line-height:1.8;color:var(--muted)}
.ar-pager{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:32px 0 8px}
@media (max-width:640px){.ar-pager{grid-template-columns:1fr}}
/* Simulations inside articles */
.ar-sim{margin:20px 0;padding:16px 18px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.ar-sim h3{margin:0 0 6px;font-size:1.05rem}.ar-sim>p{margin:0 0 10px;line-height:1.8}
.ar-sim-ctl{display:flex;flex-wrap:wrap;gap:12px 20px;margin:8px 0 12px}
.ar-field{display:flex;flex-direction:column;gap:4px;min-width:200px;flex:1}.ar-field input[type=range]{width:100%}
.ar-field select{min-height:40px;border-radius:8px;border:1px solid var(--line);background:var(--surface);color:inherit;padding:0 8px}
.ar-chart{width:100%;height:auto;max-width:640px;display:block}
.ar-bar{fill:var(--accent)}.ar-bar.is-b{fill:var(--muted)}.ar-bar.is-stop{fill:#c2410c}.ar-bar.is-off{fill:var(--line)}
.ar-bar-t{font-size:12px;fill:currentColor}.ar-axis{stroke:var(--line)}
.ar-sim-out{font-weight:600;line-height:1.8}.ar-sim-note{color:var(--muted);font-size:.9rem;margin:4px 0 0}
.ar-chips{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}.ar-chip{padding:6px 10px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}
.ar-chip.is-on{border-color:#c2410c;color:inherit;background:rgba(194,65,12,.12);font-weight:600}
.ar-verdict{display:inline-block;margin:0 0 6px;padding:6px 16px;border-radius:999px;font-weight:700}
.ar-verdict.is-pass{background:rgba(22,163,74,.14);color:inherit;border:1px solid #15803d}.ar-verdict.is-block{background:rgba(194,65,12,.14);color:inherit;border:1px solid #c2410c}

.ar-checks{border:0;margin:8px 0;padding:0;display:grid;gap:8px}.ar-checks legend{font-weight:600;margin-bottom:4px}
.ar-check{display:flex;align-items:center;gap:8px;line-height:1.6}.ar-check input{width:20px;height:20px}
.ar-req,.ar-opt{font-size:.8rem;padding:1px 8px;border-radius:999px;border:1px solid var(--line);margin-left:4px}.ar-req{border-color:#c2410c}

.ar-search{margin:8px 0 16px;display:flex;flex-direction:column;gap:6px;max-width:520px}.ar-search input{min-height:44px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:inherit;padding:0 12px;font-size:1rem}
.ar-paths{display:grid;gap:10px}.ar-path{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:10px 14px}.ar-path summary{cursor:pointer;display:flex;flex-direction:column;gap:2px}.ar-path summary span{color:var(--muted)}.ar-path ol{margin:10px 0 4px;padding-left:1.4em;line-height:1.9}
.ar-q{border-top:1px solid var(--line);padding:10px 0}.ar-q p{margin:0 0 6px}.ar-q details summary{cursor:pointer;color:inherit;font-weight:600;text-decoration:underline;text-underline-offset:3px}.ar-q details p{margin-top:8px}
.ar-tpl{margin:18px 0;padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}.ar-tpl-head{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}.ar-tpl h3{margin:0;font-size:1.02rem}
.ar-tpl-scroll{overflow-x:auto}.ar-tpl table{border-collapse:collapse;width:100%;min-width:520px;margin:8px 0}.ar-tpl th,.ar-tpl td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top;line-height:1.6}.ar-tpl thead th{background:var(--bg,transparent)}

.ar-progress{display:flex;flex-wrap:wrap;gap:12px;margin:8px 0 16px}.ar-progress>div{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:10px 14px;display:flex;flex-direction:column;gap:2px}
.ar-progress strong{font-size:1.4rem}.ar-progress strong span{font-size:.9rem;font-weight:400}.ar-again-list{flex:1;min-width:240px}.ar-again-list a{display:block;line-height:1.8}
.ar-read,.ar-again{font-style:normal;font-size:.8rem;font-weight:600;border-radius:999px;padding:2px 10px;align-self:flex-start}.ar-read{border:1px solid #15803d;background:rgba(22,163,74,.12)}.ar-again{border:1px solid #c2410c;background:rgba(194,65,12,.12)}
.ar-read-s{font-size:.85rem;font-weight:600}
.ar-self{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:8px}.ar-self [aria-pressed="true"]{outline:2px solid currentColor;font-weight:700}
.ar-record{border-top:1px solid var(--line);padding-top:16px}
.ar-reviewed{font-style:normal;font-size:.8rem;font-weight:600;border-radius:999px;padding:2px 10px;align-self:flex-start;border:1px solid var(--line)}

.qs-filters{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end;margin:12px 0}.qs-filters label{display:flex;flex-direction:column;gap:4px}.qs-filters select{min-height:40px;border-radius:8px;border:1px solid var(--line);background:var(--surface);color:inherit;padding:0 8px}
.qs-scroll{overflow-x:auto}.qs-table{border-collapse:collapse;width:100%;min-width:720px}.qs-table th,.qs-table td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}.qs-table summary{cursor:pointer;font-weight:600}
.qs-flag{display:inline-block;font-size:.8rem;border:1px solid #c2410c;border-radius:999px;padding:1px 8px;margin:1px 0}
.qs-filters label{min-width:0;max-width:100%;flex:1 1 220px}.qs-filters select{width:100%;max-width:100%}.qs-scroll{max-width:100%}
/* Chart bars: colors with at least 3:1 contrast against the page and card backgrounds (WCAG 1.4.11). */
.ar-bar{fill:#1d4ed8}.ar-bar.is-b{fill:#475569}.ar-bar.is-stop{fill:#c2410c}
@media screen and (prefers-color-scheme: dark){.ar-bar{fill:#7ea6ff}.ar-bar.is-b{fill:#aab4c9}.ar-bar.is-stop{fill:#f5935a}}

/* Boundaries (02 何を開発するのか, 2026-09-27) */
.ix-bd h4{margin:12px 0 6px;font-size:14px}.ix-bd ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}.ix-bd li{display:flex;gap:8px;align-items:flex-start;line-height:1.7;font-size:14.5px}
.ix-bd-band{fill:var(--ix-warn);opacity:.14}.ix-bd-line{stroke:var(--ix-warn);stroke-width:2;stroke-dasharray:5 5;fill:none}
.ix-bd-q{fill:var(--paper,#fff);stroke:var(--ix-warn);stroke-width:2}.ix-bd-mark{font-weight:700}.ix-bd-cap{font-size:11px;fill:var(--muted);text-anchor:middle}
.ix-bd-ask{margin:0;padding:10px 12px;border-left:4px solid var(--ix-warn);background:var(--soft);border-radius:6px;line-height:1.7;font-weight:600}
.ix-bd-where{display:flex;gap:8px;align-items:flex-start;margin:10px 0 0;color:var(--muted);font-size:14px;line-height:1.7}

/* 3つの境界の絵（2026-09-27 描き直し） */
.ix-bd-fig text{font-family:inherit}
.ix-bd-lbl{font-size:12px;font-weight:600;fill:var(--ink);text-anchor:start}
.ix-bd-small{font-size:11px;fill:var(--muted);text-anchor:middle}
.ix-bd-warntext{fill:var(--ink);font-weight:700}
.ix-bd-bar{fill:var(--brand)}.ix-bd-bar2{fill:var(--muted)}
.ix-bd-arrow{stroke:var(--muted);stroke-width:2;fill:none}.ix-bd-head{fill:var(--muted)}
.ix-bd-x,.ix-bd-qtext{font-size:12px;font-weight:700;fill:var(--ink);text-anchor:middle}
.ix-bd-slot{fill:none;stroke:var(--ix-warn);stroke-width:1.8;stroke-dasharray:4 3}.ix-bd-in{fill:#fff;text-anchor:middle}.ix-bd-in2{fill:var(--paper,#fff);text-anchor:middle}