/* 絞り込み。細罫のリスト。選択中は左に 2px の accent 線。 */
.c-filter {
  border-top: var(--se-rule-strong);
}

.c-filter__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--se-space-3);
  padding-block: var(--se-space-4);
  list-style: none;
  cursor: pointer;
  font-size: var(--se-text-xs);
  font-weight: 700;
  letter-spacing: var(--se-tracking-wide);
}

.c-filter__summary::-webkit-details-marker {
  display: none;
}

.c-filter__summary::after {
  content: "+";
  font-size: 16px;
  font-weight: 400;
}

.c-filter[open] > .c-filter__summary::after {
  content: "−";
}

@media (min-width: 900px) {
  /* PC では常時展開。トグルは出さない */
  .c-filter__summary {
    pointer-events: none;
    cursor: default;
  }

  .c-filter__summary::after {
    content: none;
  }
}

.c-filter__reset {
  align-self: flex-start;
  margin-bottom: var(--se-space-4);
  font-size: var(--se-text-xs);
  letter-spacing: 0.08em;
  color: var(--se-ink-sub);
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}

.c-filter__reset:hover {
  color: var(--se-accent);
}

.c-filter__group {
  padding-block: var(--se-space-4);
  border-top: var(--se-rule);
}

.c-filter__legend {
  float: left;
  width: 100%;
  margin-bottom: var(--se-space-3);
  font-size: var(--se-text-xs);
  font-weight: 700;
  letter-spacing: var(--se-tracking-wide);
  color: var(--se-ink-sub);
}

.c-filter__options {
  clear: both;
  display: grid;
}

.c-filter__option {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--se-space-3);
  padding: var(--se-space-2) 0 var(--se-space-2) var(--se-space-3);
  font-size: var(--se-text-sm);
  letter-spacing: 0.04em;
  cursor: pointer;
}

.c-filter__option::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: transparent;
}

.c-filter__option:has(input:checked) {
  font-weight: 700;
}

.c-filter__option:has(input:checked)::before {
  background: var(--se-accent);
}

.c-filter__option input {
  appearance: none;
  flex-shrink: 0;
  width: 14px;
  height: 14px;
  margin: 0;
  border: 1px solid var(--se-ink-sub);
  background: var(--se-surface);
  cursor: pointer;
}

.c-filter__option input[type="radio"] {
  border-radius: 50%;
}

.c-filter__option input:checked {
  border-color: var(--se-accent);
  background: var(--se-accent);
  box-shadow: inset 0 0 0 2px var(--se-surface);
}

.c-filter__option input:focus-visible {
  outline: var(--se-focus);
  outline-offset: 2px;
}