.slide-kicker{margin:0 0 var(--space-2);color:var(--color-text-muted);font-family:var(--font-sans);font-size:var(--text-xs);letter-spacing:.06em;text-transform:uppercase}:lang(ja) .slide-kicker{letter-spacing:0;text-transform:none}.takeaway{margin:var(--space-3) 0 0;padding:var(--space-2) var(--space-3);border-left:3px solid var(--color-accent);background:var(--color-surface)}.takeaway>:last-child{margin-bottom:0}.checklist{margin:var(--space-3) 0;padding:var(--space-3) var(--space-4);border:2px solid var(--color-accent);border-radius:var(--radius);background:var(--color-surface)}.checklist ol{counter-reset:check;margin:0;padding-left:0;list-style:none}.checklist li{counter-increment:check;min-height:2rem;padding-left:2.75rem;position:relative}.checklist li+li{margin-top:var(--space-3)}.checklist li:before{content:counter(check);border:2px solid var(--color-accent);border-radius:var(--radius);width:1.9rem;height:1.9rem;color:var(--color-accent);font-family:var(--font-mono);font-size:var(--text-sm);place-items:center;font-weight:600;display:grid;position:absolute;top:.1rem;left:0}.checklist li>strong,.checklist li>span{display:block}.checklist li>span{color:var(--color-text-muted);font-size:var(--text-sm);line-height:1.5}.pull-question{margin:var(--space-3) 0;padding:var(--space-3) var(--space-4);border-left:4px solid var(--color-accent);font-family:var(--font-serif);font-size:var(--text-xl);line-height:1.4}.deck-body{margin:0}html.deck-app,html.deck-app .deck-body{height:100%;overflow:hidden}html.deck-app .deck{grid-template-rows:auto minmax(0,1fr) auto;height:100dvh;display:grid}html.deck-app .deck-prose:not([data-deck-ready]){visibility:hidden}.deck-stage{overscroll-behavior:contain;min-height:0;padding:clamp(1rem,3vw,3rem);overflow-y:auto}.deck-stage:focus{outline:none}.deck-prose{max-width:none}.deck-top{align-items:center;gap:var(--space-3);padding:var(--space-2) clamp(var(--space-3), 3vw, 3rem);border-bottom:1px solid var(--color-border);background:var(--color-bg);display:flex}.deck-exit{padding-block:var(--space-2);color:var(--color-text-muted);font-size:var(--text-sm);flex:none;text-decoration:none}.deck-exit:hover{color:var(--color-accent)}.deck-title{min-width:0;font-family:var(--font-sans);font-size:var(--text-sm);text-overflow:ellipsis;white-space:nowrap;flex:1;margin:0;font-weight:600;line-height:1.4;overflow:hidden}.deck-tools{justify-content:flex-end;align-items:center;gap:var(--space-2);flex-wrap:wrap;flex:none;display:flex}.deck-button{min-height:2.5rem;padding:0 var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-bg);color:var(--color-text);font:inherit;font-size:var(--text-sm);cursor:pointer;justify-content:center;align-items:center;gap:.4em;text-decoration:none;display:inline-flex}.deck-button[hidden]{display:none}.deck-button:hover{border-color:var(--color-accent);color:var(--color-accent)}.deck-button[aria-pressed=true]{border-color:var(--color-accent);box-shadow:inset 0 0 0 1px var(--color-accent)}.deck-button[aria-disabled=true]{color:var(--color-text-muted);cursor:default;opacity:.5}.deck-button[aria-disabled=true]:hover{border-color:var(--color-border);color:var(--color-text-muted)}.deck-bottom{border-top:1px solid var(--color-border);background:var(--color-bg);position:relative}.deck-bottom[hidden]{display:none}.deck-progress{background:var(--color-border);height:4px;position:absolute;inset:-1px 0 auto}.deck-progress>span{width:var(--deck-progress,0%);background:var(--color-accent);height:100%;display:block}.deck-controls{justify-content:center;align-items:center;gap:var(--space-3);padding:var(--space-3) clamp(var(--space-3), 3vw, 3rem) var(--space-2);display:flex}.deck-step{min-width:6.5rem;min-height:2.75rem}.deck-counter{text-align:center;min-width:5rem;font-family:var(--font-mono);font-size:var(--text-base);font-variant-numeric:tabular-nums;margin:0}.deck-menu-button{margin-left:var(--space-2)}@media (width>=48rem){.deck-menu-button{right:clamp(var(--space-3), 3vw, 3rem);margin-left:0;position:absolute}}.deck-menu{border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-bg);width:min(32rem,100vw - 4rem);max-height:calc(100dvh - 8rem);color:var(--color-text);margin:auto;padding:0}.deck-menu[open]{flex-direction:column;display:flex}.deck-menu::backdrop{background:#0000008c}.deck-menu-head{justify-content:space-between;align-items:center;gap:var(--space-3);padding:var(--space-2) var(--space-2) var(--space-2) var(--space-3);border-bottom:1px solid var(--color-border);display:flex}.deck-menu-head h2{font-size:var(--text-lg);margin:0}.deck-menu-list{padding:var(--space-1) var(--space-2);font-size:var(--text-sm);margin:0;line-height:1.45;list-style:none;overflow-y:auto}.deck-menu-list li{padding-block:0}.deck-menu-list a{padding:.25rem var(--space-2);color:var(--color-text);border-left:3px solid #0000;text-decoration:none;display:block}.deck-menu-list a:hover{background:var(--color-surface)}.deck-menu-list a[aria-current=location]{border-left-color:var(--color-accent);color:var(--color-accent);font-weight:600}.deck-menu-note{padding:var(--space-2);border-top:1px solid var(--color-border);color:var(--color-text-muted);font-size:var(--text-sm);margin:0;line-height:1.5}.deck .slide{max-width:84rem;margin-inline:auto}.deck .slide[hidden]{display:none}.deck .slide-head{margin-bottom:var(--space-4)}.deck .slide-kicker{margin-bottom:var(--space-2)}.deck .slide-kicker[data-n]:before{content:attr(data-n) " · ";color:var(--color-accent);font-family:var(--font-mono)}.deck .prose .slide-head h2{max-width:34ch;font-size:clamp(1.375rem,1rem + 1.2vw,1.875rem);line-height:var(--leading-heading);text-wrap:balance;margin:0}.deck .slide-body{gap:var(--space-4) var(--space-5);grid-template-columns:minmax(0,1fr);align-items:start;display:grid}.deck .slide-text,.deck .slide-visual{min-width:0}.deck .slide-text{max-width:62rem;font-size:clamp(1.0625rem,.95rem + .35vw,1.25rem)}.deck .slide-text>:first-child{margin-top:0}.deck .slide-text>:last-child{margin-bottom:0}.deck .slide-text>p,.deck .slide-text>ul,.deck .slide-text>ol{margin-bottom:var(--space-3)}.deck .slide-text>table{margin:0 0 var(--space-3);display:block;overflow-x:auto}.deck .slide-text>.callout{margin:var(--space-3) 0 0}.deck .slide-visual .figure{margin:0}.deck .slide-visual .figure+.figure{margin-top:var(--space-4)}@media (width>=62rem){.deck[data-mode=slides] .slide-body[data-visual=true]{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}}.deck .article-only{display:none}html:not(.deck-app) .deck-prose{max-width:var(--measure);margin-inline:auto}html:not(.deck-app) .deck-stage{padding-top:var(--space-5)}@media (width<=40rem){.deck .figure-scroll-wide svg.diagram{min-width:40rem}.deck-title{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.deck-top{flex-wrap:wrap;justify-content:space-between;row-gap:0}.deck-tools{flex:auto}.deck-button[data-deck-fullscreen]{display:none}.deck-step{min-width:3rem;padding-inline:var(--space-2)}.deck-step-label{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}.deck-controls{gap:var(--space-2)}}@keyframes dash-flow{to{stroke-dashoffset:-24px}}@keyframes slide-in{0%{opacity:0;transform:translateY(6px)}}@media (prefers-reduced-motion:no-preference){.deck svg.diagram .loop{animation:1.2s linear infinite dash-flow}.deck[data-mode=slides] .slide:not([hidden]){animation:.18s ease-out slide-in}.deck-progress>span{transition:width .2s}}