.story-toc__marker{position:absolute;inset-inline-start:-1px;inset-block-start:0;inline-size:2px;block-size:1rem;transform-origin:top center;transform:translateY(var(--toc-y,0)) scaleY(var(--toc-scale,1));transition:transform var(--dur-swap) var(--ease-out)}.chapter-strip,.chapter-strip__mark{--strip-top:4rem;--strip-size:2.5rem}.chapter-strip{position:sticky;inset-block-start:var(--strip-top);z-index:30;block-size:var(--strip-size);margin-block-start:calc(var(--strip-size) * -1);margin-inline:calc(var(--space-gutter) * -1);padding-inline:var(--space-gutter);background-color:color-mix(in srgb,var(--color-bg) 85%,transparent);-webkit-backdrop-filter:blur(16px) saturate(160%);backdrop-filter:blur(16px) saturate(160%);transition:opacity var(--dur-swap) var(--ease-out)}.chapter-strip:after{content:"";position:absolute;inset-inline:0;inset-block-start:100%;block-size:10px;background:linear-gradient(to bottom,color-mix(in srgb,var(--color-bg) 85%,transparent),transparent);pointer-events:none}.chapter-strip:not([data-stuck=true]){opacity:0;pointer-events:none}.chapter-strip__label{grid-area:1/1;opacity:0;transition:opacity var(--dur-swap) var(--ease-out)}.chapter-strip__label[data-current=true]{opacity:1}.chapter-strip__mark{position:relative;inset-block-start:calc((var(--strip-top) + var(--strip-size)) * -1);block-size:1px;margin-block-end:-1px;pointer-events:none}@media (prefers-reduced-transparency:reduce){.chapter-strip{background-color:var(--color-bg);-webkit-backdrop-filter:none;backdrop-filter:none}.chapter-strip:after{background:linear-gradient(to bottom,var(--color-bg),transparent)}}.shot-rail{--rail-fade:2.5rem;--rail-fade-start:0px;--rail-fade-end:var(--rail-fade);-webkit-mask-image:linear-gradient(to right,transparent 0,#000 var(--rail-fade-start),#000 calc(100% - var(--rail-fade-end)),transparent 100%);mask-image:linear-gradient(to right,transparent 0,#000 var(--rail-fade-start),#000 calc(100% - var(--rail-fade-end)),transparent 100%)}.shot-rail:dir(rtl){-webkit-mask-image:linear-gradient(to left,transparent 0,#000 var(--rail-fade-start),#000 calc(100% - var(--rail-fade-end)),transparent 100%);mask-image:linear-gradient(to left,transparent 0,#000 var(--rail-fade-start),#000 calc(100% - var(--rail-fade-end)),transparent 100%)}.shot-rail[data-at-start=false]{--rail-fade-start:var(--rail-fade)}.shot-rail[data-at-end=true]{--rail-fade-end:0px}.shot-rail::-webkit-scrollbar{display:none}.story-crop{-webkit-mask-image:linear-gradient(180deg,#000 72%,transparent);mask-image:linear-gradient(180deg,#000 72%,transparent)}.story-nest>section{padding-block:0;scroll-margin-block-start:8.5rem}@media (width >= 64rem){.story-nest>section{scroll-margin-block-start:6rem}}.story-nest>section>.shell{inline-size:auto;margin-inline:0}.story-nest>section+*{margin-block-start:var(--space-section)}