/*
 * accordion：構造と動きだけ
 * 受ける変数：--part-accordion-pad（行の上下の余白）/ --part-accordion-mark（開閉の印の色）
 *   --part-radius / --part-fg / --part-muted / --part-bg / --part-surface / --part-line / --part-accent / --part-accent-fg / --part-focus
 */
.part-accordion {
  min-width: 0;
  color: var(--part-fg, #222);
}

.part-accordion__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 8px;
}

.part-accordion__filter {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 38px;
  padding: 6px 14px;
  border: 1px solid var(--part-line, #cfcfcf);
  border-radius: 999px;
  background: var(--part-bg, #fff);
  color: inherit;
  font: inherit;
  font-size: 0.9em;
  cursor: pointer;
}

.part-accordion__filter[aria-pressed="true"] {
  border-color: var(--part-accent, #333);
  background: var(--part-accent, #333);
  color: var(--part-accent-fg, #fff);
}

.part-accordion__count {
  font-size: 0.82em;
  opacity: 0.75;
  font-variant-numeric: tabular-nums;
}

.part-accordion__status {
  margin: 0 0 10px;
  color: var(--part-muted, #666);
  font-size: 0.85em;
}

.part-accordion__item {
  border-bottom: 1px solid var(--part-line, #dedede);
}

.part-accordion__item[hidden] {
  display: none;
}

.part-accordion__item > summary {
  position: relative;
  display: block;
  padding: var(--part-accordion-pad, 16px) 40px var(--part-accordion-pad, 16px) 0;
  list-style: none;
  font-weight: 700;
  line-height: 1.6;
  cursor: pointer;
}

.part-accordion__item > summary::-webkit-details-marker {
  display: none;
}

.part-accordion__item > summary::before,
.part-accordion__item > summary::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 12px;
  width: 14px;
  height: 2px;
  border-radius: 2px;
  background: var(--part-accordion-mark, currentColor);
  transition: transform 0.25s;
}

.part-accordion__item > summary::after {
  transform: rotate(90deg);
}

.part-accordion__item[open] > summary::after {
  transform: rotate(0deg);
}

.part-accordion__item > summary:focus-visible,
.part-accordion__filter:focus-visible {
  outline: 2px solid var(--part-focus, #1a1a1a);
  outline-offset: 2px;
}

.part-accordion__item > summary + * {
  margin-top: 0;
  padding-bottom: var(--part-accordion-pad, 16px);
}

.part-accordion[data-part-motion="reduce"] *,
.part-accordion[data-part-motion="reduce"] *::before,
.part-accordion[data-part-motion="reduce"] *::after {
  transition: none !important;
  animation: none !important;
}