.motion-panel{display:flow-root;overflow:hidden}
.motion-panel[hidden]{display:none}
.disclosure::after{transition:transform .28s cubic-bezier(.22,1,.36,1)}
details.motion-accordion .disclosure::after{transform:rotate(90deg)}
details.motion-accordion summary[aria-expanded=true] .disclosure::after{transform:rotate(0)}
@media(prefers-reduced-motion:reduce){.disclosure::after{transition:none}}