/* ====================================================================
   Flex Banner Plugin — フロントエンドスタイル (v2.0)
   ==================================================================== */

.fb-container,
.fb-container * {
  box-sizing: border-box;
}

/* コンテナ本体 (max-width はインラインスタイルで上書きされる) */
.fb-container {
  max-width: 944px;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
  padding-left: 0;
  padding-right: 0;
}

/* SP側余白はインラインスタイルで制御するため、ここでは記述なし */

/* ====================================================================
   グリッドレイアウト
   ==================================================================== */
.fb-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--fb-gap-pc, 12px);
  margin-bottom: 24px;
}

.fb-row:last-child {
  margin-bottom: 0;
}

/* カラム */
.fb-column {
  display: flex;
  flex-direction: column;
}

/* PC列幅 */
.fb-row--pc-1>.fb-column {
  width: 100%;
}

.fb-row--pc-2>.fb-column {
  width: calc((100% - var(--fb-gap-pc, 12px)) / 2);
}

.fb-row--pc-3>.fb-column {
  width: calc((100% - (var(--fb-gap-pc, 12px) * 2)) / 3);
}

.fb-row--pc-4>.fb-column {
  width: calc((100% - (var(--fb-gap-pc, 12px) * 3)) / 4);
}

/* SP列幅 */
@media screen and (max-width: 767px) {
  .fb-row {
    gap: var(--fb-gap-sp, 10px);
    margin-bottom: 16px;
  }

  .fb-row--sp-1>.fb-column {
    width: 100%;
  }

  .fb-row--sp-2>.fb-column {
    width: calc((100% - var(--fb-gap-sp, 10px)) / 2);
  }
}

/* ====================================================================
   画像
   ==================================================================== */
.fb-image {
  width: 100%;
  position: relative;
  overflow: hidden;
  line-height: 0;
  /* picture要素の下余白除去 */
}

.fb-image__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ====================================================================
   リンク
   ==================================================================== */
.fb-link {
  display: block;
  text-decoration: none;
  color: inherit;
  line-height: 0;
}

.fb-link:hover .fb-image__img {
  opacity: 0.88;
  transition: opacity 0.25s ease;
}

/* ====================================================================
   テキストキャプション（オーバーレイ）
   ==================================================================== */

.fb-caption {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 24px;
  pointer-events: none;
  /* 最外ラッパーリンクを邪魔しない */
  max-width: 80%;
}

/* キャプションボタンだけはクリッカブルに */
.fb-caption__btn,
.fb-caption__btn--nolink {
  pointer-events: auto;
}

/* --- 位置バリエーション --- */
.fb-caption--center {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  align-items: center;
  text-align: center;
}

.fb-caption--top-left {
  top: 0;
  left: 0;
  align-items: flex-start;
}

.fb-caption--top-center {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  align-items: center;
  text-align: center;
}

.fb-caption--top-right {
  top: 0;
  right: 0;
  align-items: flex-end;
  text-align: right;
}

.fb-caption--bottom-left {
  bottom: 0;
  left: 0;
  align-items: flex-start;
}

.fb-caption--bottom-center {
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  align-items: center;
  text-align: center;
}

.fb-caption--bottom-right {
  bottom: 0;
  right: 0;
  align-items: flex-end;
  text-align: right;
}

/* --- キャプション要素 --- */
.fb-caption__heading {
  margin: 0;
  font-size: clamp(16px, 2.5vw, 28px);
  font-weight: 700;
  color: #fff;
  text-shadow: 0 1px 4px rgba(0, 0, 0, .55);
  line-height: 1.3;
}

.fb-caption__body {
  margin: 0;
  font-size: clamp(12px, 1.4vw, 16px);
  color: #fff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, .5);
  line-height: 1.6;
}

.fb-caption__btn {
  display: inline-block;
  background: #fff;
  color: #1d2327;
  font-size: clamp(12px, 1.2vw, 15px);
  font-weight: 700;
  padding: 8px 20px;
  border-radius: 4px;
  text-decoration: none;
  line-height: 1.4;
  pointer-events: auto;
  transition: background 0.2s, color 0.2s, transform 0.15s;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .25);
}

.fb-caption__btn:hover {
  background: #f0f0f0;
  transform: translateY(-1px);
}

.fb-caption__btn--nolink {
  cursor: default;
}

/* ====================================================================
   スライダー
   ==================================================================== */
.fb-slider {
  position: relative;
  overflow: hidden;
  width: 100%;
}

/* トラック共通 */
.fb-slider-track {
  display: flex;
  width: 100%;
}

/* スライドアニメーション */
.fb-slider-track--slide {
  transition: transform 0.55s cubic-bezier(.4, 0, .2, 1);
}

.fb-slider-track--slide .fb-slide {
  flex: 0 0 100%;
  min-width: 100%;
}

/* フェードアニメーション */
.fb-slider-track--fade {
  position: relative;
}

.fb-slider-track--fade .fb-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0;
  transition: opacity 0.6s ease;
  pointer-events: none;
}

.fb-slider-track--fade .fb-slide.is-active {
  position: relative;
  /* 高さを確保 */
  opacity: 1;
  pointer-events: auto;
}

/* スライド内コンテンツ */
.fb-slide .fb-image,
.fb-slide .fb-link {
  width: 100%;
}

/* ====================================================================
   スライダー：矢印ナビ
   ==================================================================== */
.fb-slider-prev,
.fb-slider-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(0, 0, 0, .42);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: background 0.2s;
}

.fb-slider-prev:hover,
.fb-slider-next:hover {
  background: rgba(0, 0, 0, .68);
}

.fb-slider-prev {
  left: 12px;
}

.fb-slider-next {
  right: 12px;
}

.fb-slider-prev svg,
.fb-slider-next svg {
  width: 20px;
  height: 20px;
  stroke: #fff;
  display: block;
}

/* SP：矢印を少し小さく */
@media screen and (max-width: 767px) {

  .fb-slider-prev,
  .fb-slider-next {
    width: 34px;
    height: 34px;
  }

  .fb-slider-prev {
    left: 6px;
  }

  .fb-slider-next {
    right: 6px;
  }

  .fb-slider-prev svg,
  .fb-slider-next svg {
    width: 16px;
    height: 16px;
  }
}

/* ====================================================================
   スライダー：ドットナビ
   ==================================================================== */
.fb-slider-dots {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 7px;
  z-index: 10;
}

.fb-slider-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .55);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  flex-shrink: 0;
}

.fb-slider-dot.is-active {
  background: #fff;
  transform: scale(1.25);
}

.fb-slider-dot:hover:not(.is-active) {
  background: rgba(255, 255, 255, .8);
}