:root{--sl-accent:var(--color-primary);--sl-text:var(--color-ink);--sl-muted:var(--color-ink-muted);--sl-border:var(--color-border);--sl-bg:var(--color-paper);--sl-pad-top:56;--sl-pad-bot:84}html,body{background:var(--color-paper-sunk)}.course-slide{color:var(--color-ink);font-family:"Hiragino Sans","Meiryo",sans-serif;overflow:visible}.course-header{position:absolute;left:96px;right:96px;top:40px;height:72px;display:flex;align-items:center;justify-content:space-between;border-bottom:2px solid var(--color-border);font-size:var(--text-label);color:var(--color-primary);font-weight:700}.course-header b{font-weight:400;color:var(--color-ink-muted)}.course-content{position:absolute;left:96px;right:96px;top:152px;bottom:130px;display:flex;flex-direction:column}.course-content h1{font-size:var(--text-title);font-weight:700;line-height:1.3;color:var(--color-primary-alt);margin:0;flex-shrink:0}.course-sub{font-size:var(--text-body);line-height:1.6;margin-top:24px;color:var(--color-ink-muted);flex-shrink:0}.slide-items{display:flex;flex-direction:column;gap:24px;margin-top:40px;flex:1;justify-content:center}.slide-item{min-width:0}.slide-item .item-label{font-size:var(--text-lead);font-weight:700;line-height:1.5;color:var(--color-primary-alt)}.slide-item p{font-size:var(--text-body);line-height:1.65;margin-top:12px}.kind-rows .slide-item{display:grid;grid-template-columns:330px 1fr;gap:32px;padding:22px 0;border-top:2px solid var(--color-border);align-items:start}.kind-rows .slide-item p{margin:0}.kind-cards .slide-items{display:grid;grid-template-columns:repeat(2,1fr);align-content:center;gap:48px}.kind-cards .count-3{grid-template-columns:repeat(3,1fr);gap:32px}.kind-cards .slide-item{border-top:6px solid var(--color-primary);padding:36px 24px 24px 0}.kind-cards .slide-item .item-label{font-size:var(--text-sub)}.kind-cards .slide-item p{margin-top:24px}.kind-cover .course-content h1{font-size:var(--text-display);line-height:1.4}.kind-cover .course-sub{font-size:var(--text-lead)}.kind-cover .slide-items{display:grid;grid-template-columns:repeat(3,1fr);gap:48px;align-content:end}.kind-cover .slide-item{border-top:4px solid var(--color-primary);padding-top:32px}.kind-cover .item-label{font-size:var(--text-sub)}.kind-cover .slide-item p{font-size:var(--text-label)}.kind-diagram .slide-items{display:flex;flex-direction:row;gap:48px;align-items:center;justify-content:space-between}.kind-diagram .slide-item{position:relative;flex:1;border:2px solid var(--color-border);padding:40px 24px;background:var(--color-paper-sunk);min-height:260px}.kind-diagram .slide-item:not(:last-child):after{content:'→';position:absolute;right:-40px;top:100px;color:var(--color-primary);font-size:var(--text-body)}.kind-diagram .item-label{font-size:var(--text-lead)}.kind-diagram .slide-item p{font-size:var(--text-body)}.kind-compare .slide-items{gap:32px}.kind-compare .slide-item{border-left:6px solid var(--color-primary);padding:20px 36px;background:var(--color-paper-sunk)}.kind-compare .slide-item:first-child{background:var(--color-paper);border-left-color:var(--color-border)}.kind-compare .item-label{font-size:var(--text-label)}.kind-compare .slide-item p{font-size:var(--text-lead)}.kind-work .slide-items{gap:20px}.kind-work .slide-item{display:grid;grid-template-columns:270px 1fr;gap:36px;align-items:start}.kind-work .slide-item p{margin:0}.timer-area{display:flex;align-items:center;gap:32px;margin-top:24px}.timer-area button{font:inherit;font-size:var(--text-label);background:var(--color-primary);color:var(--color-paper);border:0;border-radius:var(--radius-sm);padding:16px 32px;cursor:pointer}.timer-area .timer-reset{background:var(--color-paper-sunk);color:var(--color-primary)}.timer-value{font-size:var(--text-sub);font-weight:700;color:var(--color-primary);font-variant-numeric:tabular-nums}.course-footer{position:absolute;bottom:44px;left:96px;right:96px;display:flex;justify-content:space-between;align-items:start;gap:32px;border-top:1px solid var(--color-border);padding-top:16px;font-size:var(--text-note);line-height:1.55;color:var(--color-ink-muted)}.course-footer a{color:inherit;text-decoration:none;max-width:1540px}.course-footer span{white-space:nowrap}.deck-tools{position:fixed;top:0;left:0;right:0;height:44px;display:flex;align-items:center;gap:24px;padding:0 24px;z-index:350;background:var(--color-paper);border-bottom:1px solid var(--color-border);font-size:var(--text-control);color:var(--color-ink-muted)}.deck-tools a{color:var(--color-primary)}.deck-tools span{margin-left:auto}.slide-ui{opacity:1;font-size:var(--text-control)}.slide-counter,.transition-select{font-size:var(--text-control)}#sl-preview-label,.sl-grid-label{font-size:var(--text-control)}#engine-error{position:fixed;top:44px;left:0;right:0;padding:24px;z-index:999;background:var(--color-danger-surface);color:var(--color-danger);font-size:var(--text-control)}@media(max-width:600px){.deck-tools{gap:12px;padding:0 12px}.deck-tools span{display:none}}@media print{@page{size:1440pt 810pt;margin:0}.deck-tools,.timer-area button{display:none!important}.slide,.course-slide{width:1920px!important;height:1080px!important;aspect-ratio:auto!important;overflow:visible!important}.slide-viewport{width:1920px!important}.course-header,.course-content,.course-footer{transform:none}}
/* Navigation belongs to the current teaching context, not a generic sources footer. */
*{box-sizing:border-box}[hidden]{display:none!important}.deck-chrome{position:fixed;inset:0 0 auto;z-index:350;background:var(--color-paper);border-bottom:1px solid var(--color-border);font-family:"Hiragino Sans","Meiryo",sans-serif;font-size:16px}.deck-tools{position:static;height:56px;gap:20px;padding:0 24px;border:0}.deck-tools button,.menu-heading button{min-height:40px;padding:8px 16px;background:var(--color-primary);color:white;border:0;border-radius:6px;font:inherit;cursor:pointer}.deck-tools .deck-location{margin:0;color:var(--color-ink-muted);font-variant-numeric:tabular-nums}.deck-tools .instructor-link{margin-left:auto}.resource-dock{padding:0 24px 12px}.resource-set{display:flex;align-items:center;gap:24px}.resource-context{font-size:14px;line-height:1.5;font-weight:700;color:var(--color-primary-alt);min-width:180px}.resource-context span{display:block;font-size:12px;font-weight:400;color:var(--color-ink-muted)}.resource-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.resource-link{display:inline-flex;align-items:center;min-height:40px;padding:8px 12px;border:1px solid var(--color-border);border-radius:6px;background:var(--color-paper-sunk);color:var(--color-primary-alt);text-decoration:none;font-size:15px;line-height:1.4;font-weight:600}.resource-link.primary{background:var(--color-primary);border-color:var(--color-primary);color:white}.resource-link:hover{border-color:var(--color-primary)}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--color-primary);outline-offset:3px}.course-footer p{margin:0;max-width:1570px}.course-footer span{font-variant-numeric:tabular-nums}.slide-item a{color:inherit;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:6px}.inline-open{display:inline-block;font-size:26px;color:var(--color-primary)}.slide-ui{bottom:16px;max-width:calc(100vw - 24px)}.slide-ui .sl-row-dots,.slide-ui #sl-transition{display:none}.slide-ui button{width:auto!important;min-width:68px;padding:8px 12px!important;font-size:16px!important}.slide-ui button:disabled{opacity:.35;cursor:default}.slide-ui .sl-row-controls{gap:10px}.slide-ui [class*=separator]{display:none}#course-menu{width:min(1050px,calc(100vw - 32px));max-height:calc(100dvh - 32px);border:1px solid var(--color-border);border-radius:12px;padding:24px;color:var(--color-ink);background:var(--color-paper);font-family:"Hiragino Sans","Meiryo",sans-serif;font-size:16px;line-height:1.65}#course-menu::backdrop{background:#27213199}.menu-heading{display:flex;justify-content:space-between;align-items:center;position:sticky;top:-24px;background:white;z-index:1;padding:12px 0}.menu-heading h2{font-size:26px;margin:0;color:var(--color-primary-alt)}.menu-layout{display:grid;grid-template-columns:1.4fr 1fr;gap:28px}.menu-layout details{border-top:1px solid var(--color-border);padding:12px 0}.menu-layout summary{cursor:pointer;color:var(--color-primary-alt);font-weight:700;padding:8px 0}.menu-layout summary span{font-size:13px;color:var(--color-ink-muted);font-weight:400;margin-left:12px}.menu-layout nav button{display:flex;align-items:center;width:100%;text-align:left;border:0;background:transparent;color:var(--color-ink);font:inherit;padding:10px 8px;cursor:pointer;line-height:1.5}.menu-layout nav button span{display:inline-block;min-width:34px;color:var(--color-primary)}.menu-layout nav button:hover,.menu-layout nav button[aria-current]{background:var(--color-paper-sunk);border-radius:4px}.menu-layout aside{padding:0 20px;background:var(--color-paper-sunk);border-radius:8px}.menu-layout aside a{display:block;margin:10px 0;color:var(--color-primary)}.menu-layout h3{font-size:18px;color:var(--color-primary-alt)}.menu-article{padding:12px 0;border-bottom:1px solid var(--color-border)}.menu-article strong{display:block}.menu-layout aside p{font-size:14px}:root{--sl-pad-top:140;--sl-pad-bot:100;--deck-top:140px}
@media(max-width:1000px){.resource-set{display:block}.resource-context{display:flex;justify-content:space-between;margin:0 0 8px}.resource-context span{display:inline}.deck-tools{gap:12px}.deck-tools .instructor-link{font-size:13px}.resource-link{font-size:14px}}
@media(max-width:760px){html,body{height:auto!important;min-height:100%;overflow-y:auto!important;overflow-x:clip}.deck-chrome{position:sticky;top:0}.deck-tools{padding:8px 16px;height:auto;min-height:54px;flex-wrap:wrap}.deck-tools .deck-location{display:inline!important;margin-left:auto}.deck-tools .instructor-link{display:none}.resource-dock{padding:0 16px 12px}.resource-context{font-size:13px;gap:8px}.resource-context span{font-size:11px}.resource-actions{gap:6px}.resource-link{font-size:13px;min-height:38px;padding:8px 10px}.slide-deck{position:relative!important;inset:auto!important;width:100%!important;height:auto!important;overflow:visible!important;min-height:0!important;margin:0;padding:0 0 110px}.slide-viewport{position:relative!important;inset:auto!important;transform:none!important;zoom:1!important;width:100%!important;height:auto!important;overflow:visible!important}.slide-viewport>.course-slide{position:relative!important;inset:auto!important;width:100%!important;height:auto!important;min-height:0!important;aspect-ratio:auto!important;transform:none!important;opacity:1!important;display:none!important;padding:24px 20px 28px;box-shadow:none}.slide-viewport>.course-slide.is-active{display:block!important}.course-header{position:static;height:auto;gap:8px;align-items:start;padding-bottom:16px;font-size:13px;line-height:1.5}.course-header span+span{display:none}.course-content{position:static;display:block;margin-top:24px}.course-content h1,.kind-cover .course-content h1{font-size:28px;line-height:1.5}.course-sub,.kind-cover .course-sub{font-size:18px;line-height:1.8;margin:20px 0}.slide-items,.kind-cards .slide-items,.kind-cover .slide-items,.kind-diagram .slide-items{display:flex;flex-direction:column;margin-top:28px;gap:24px}.kind-rows .slide-item,.kind-work .slide-item{display:block;padding:20px 0 0}.slide-item .item-label,.kind-cards .slide-item .item-label,.kind-cover .item-label,.kind-diagram .item-label,.kind-compare .item-label{font-size:20px;line-height:1.6}.slide-item p,.kind-cover .slide-item p,.kind-diagram .slide-item p,.kind-compare .slide-item p{font-size:18px;line-height:1.9;margin:10px 0 0}.kind-cards .slide-item,.kind-cover .slide-item{padding:20px 0 0}.kind-diagram .slide-item{width:100%;min-height:0;padding:20px}.kind-diagram .slide-item:not(:last-child):after{content:none}.kind-compare .slide-item{padding:20px;border-left-width:4px}.course-footer{position:static;margin-top:28px;padding-top:16px;font-size:13px;gap:16px}.course-footer p{max-width:none}.timer-area{gap:12px;flex-wrap:wrap;margin-top:28px}.timer-area button{font-size:16px;padding:12px 16px}.timer-value{font-size:28px}.inline-open{font-size:16px}.menu-layout{grid-template-columns:1fr}.menu-heading{top:-16px}#course-menu{padding:16px}.slide-ui{bottom:12px}.slide-ui button{min-width:54px;padding:8px!important;font-size:14px!important}.slide-ui .sl-row-controls{gap:4px}}
@media print{.deck-chrome,#course-menu{display:none!important}.course-slide{break-after:page}.course-header{position:absolute}.course-content{position:absolute}.course-footer{position:absolute}}
.slide-ui button{white-space:nowrap;flex-shrink:0}.slide-ui .ui-divider{display:none}.slide-ui{border-radius:16px!important}.slide-ui .sl-row-controls{gap:12px;padding:2px 4px}
@media(max-width:760px){.slide-ui button{min-width:58px}.slide-ui .sl-row-controls{gap:8px}}
/* The page, not body, scrolls on narrow screens so the material toolbar stays visible. */
@media(max-width:760px){body{overflow:visible!important}.slide-viewport>.course-slide{scroll-margin-top:var(--deck-top)}}