Vertically stacked sections that expand and collapse, perfect for keeping dense content tidy and scannable.
A single section with a heading and slotted body content, collapsed on load.
Set open to expand a panel on load — useful for the
first item or a high-priority answer.
Place accordions back-to-back; each opens and closes independently.
FAQ sections, settings panels, and content that should stay hidden by default but remain accessible on demand.
<button> with aria-expanded reflecting open/closed state and aria-controls pointing at its panel.role="region" labelled by its header via aria-labelledby.