/*
 * card-slider：構造と動きだけ。色・角丸・余白は --part-* で受ける（既定値は中立）
 * 受ける変数：--part-slider-gap / --part-gap / --part-fg / --part-bg / --part-line / --part-accent / --part-focus
 * --part-per-view は JS が幅に合わせて入れる（1〜4）
 */
.part-card-slider {
  position: relative;
  min-width: 0;
  --part-slider-gap-used: var(--part-slider-gap, var(--part-gap, 16px));
}

.part-card-slider__track {
  position: relative;
  display: flex;
  gap: var(--part-slider-gap-used);
  margin: 0;
  padding: 6px 0 10px;
  list-style: none;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  cursor: grab;
}

.part-card-slider__track::-webkit-scrollbar {
  display: none;
}

.part-card-slider__track:focus {
  outline: none;
}

.part-card-slider__track:focus-visible {
  outline: 2px solid var(--part-focus, #1a1a1a);
  outline-offset: 2px;
}

.part-card-slider__track.is-dragging {
  scroll-snap-type: none;
  cursor: grabbing;
  user-select: none;
}

.part-card-slider.is-static .part-card-slider__track {
  cursor: auto;
}

.part-card-slider__slide {
  flex: 0 0 calc((100% - var(--part-slider-gap-used) * (var(--part-per-view, 1) - 1)) / var(--part-per-view, 1));
  min-width: 0;
  scroll-snap-align: start;
}

.part-card-slider__slide img {
  -webkit-user-drag: none;
}

.part-card-slider__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 12px;
}

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

.part-card-slider__btn {
  position: relative;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--part-line, #cfcfcf);
  border-radius: 50%;
  background: var(--part-bg, #fff);
  color: var(--part-fg, #222);
  cursor: pointer;
  transition: background-color 0.2s, opacity 0.2s;
}

.part-card-slider__btn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 9px;
  height: 9px;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
}

.part-card-slider__btn--prev::before {
  transform: translate(-30%, -50%) rotate(-135deg);
}

.part-card-slider__btn--next::before {
  transform: translate(-70%, -50%) rotate(45deg);
}

.part-card-slider__btn:hover:not(:disabled) {
  background: var(--part-surface, #f2f2f2);
}

.part-card-slider__btn:disabled {
  opacity: 0.35;
  cursor: default;
}

.part-card-slider__btn:focus-visible,
.part-card-slider__dot:focus-visible {
  outline: 2px solid var(--part-focus, #1a1a1a);
  outline-offset: 2px;
}

.part-card-slider__dots {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px;
  min-width: 0;
}

.part-card-slider__dot {
  position: relative;
  width: 24px;
  height: 24px;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
}

.part-card-slider__dot::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--part-line, #c4c4c4);
  transform: translate(-50%, -50%);
  transition: width 0.25s, background-color 0.25s;
}

.part-card-slider__dot[aria-current="true"]::before {
  width: 18px;
  background: var(--part-accent, #333);
}

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