/* ========== スクロール時固定エリア ========== */
#area-sticky {
  position: sticky;
  top: 0;
  z-index: 101; /* 必要なら調整 */
  background: #fff; /* 固定時に下が透けないよう */
  box-shadow: 0 2px 4px #0001; /* オプションで影 */
  padding-bottom: 4px;    
}

/* ========== BINGO画像エリア ========== */
#bingo-area-header {
  display: flex;
  gap: 1.5em;
  align-items: center;
  font-size: 1.1em;
  margin-bottom: 8px;
  font-weight: bold;
}

#bingo-lock-controls {
  display: flex;
  gap: 0.5em;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

#bingo-image-label-box {
/*  position: sticky;
  top: 0;           * 上から0pxで固定 *
  z-index: 100;     * 必要に応じて調整（他要素より上に） *
  background: #fff; * 下の要素が透けないよう背景色推奨 *
  box-shadow: 0 2px 4px #0001; * オプション：固定時に軽い影を付ける */
}
#bingo-image-area {
  margin-bottom: 0;
  padding-top: 8px;
}

.bingo-image-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
/*  min-height: 80px;*/
  margin-bottom: 16px;
}

.bingo-image-empty {
  color: #999;
  text-align: center;
  width: 100%;
  font-size: 1.1em;
}

/* ==== サムネイル ==== */
.bingo-img-thumb-wrap {
  position: relative;
  flex: 0 0 calc((100% - 9*8px) / 10); /* 10列 */
/*  display: inline-block;*/
  margin: 0 4px 0 0;
  vertical-align: top;
  border-radius: 8px;
  overflow: hidden;
  border: 2px solid #eee;
  background: #fff;
  transition: border 0.2s;
}
.bingo-img-thumb-wrap:last-child{
  margin-bottom: auto !important;
}
.bingo-img-lock-icon {
  position: absolute;
  top: 0px;
  right: 0px;
  z-index: 10;
  pointer-events: none;
  width: 18px;
  height: 18px;
  opacity: 0.95;
}
.bingo-img-thumb {
  display: block;
/*  width: 100px;
  height: 100px;*/
  object-fit: cover;
  background: #eee;
}
.bingo-img-thumb-wrap.locked {
  border: 2px solid #f90;
  position: relative;
}
.bingo-img-thumb-wrap.locked .bingo-img-overlay {
  background: rgba(0,0,0,0.45);
  color: #fff688;
  font-weight: bold;
  position: absolute; left:0; top:0; right:0; bottom:0;
  display:flex; align-items:center; justify-content:center;
}

.bingo-img-thumb-wrap.selected {
  border-color: #d00;
  box-shadow: 0 0 0 2px #f88;
}
.bingo-img-thumb-wrap.keep {
  border-color: #08c;
  box-shadow: 0 0 0 2px #6df;
}

.bingo-img-thumb-wrap .keep-btn {
  position: absolute;
  top: 4px; right: 4px;
  z-index: 3;
  font-size: 18px;
  border: none;
  background: rgba(255,255,255,0.85);
  border-radius: 3px;
  cursor: pointer;
  padding: 2px 7px;
  color: #ff9800;
  transition: background 0.2s;
}
.bingo-img-thumb-wrap .keep-btn:hover {
  background: #ffe9b2;
}
.bingo-img-thumb-wrap.keep .keep-btn {
  color: #1976d2;
  font-weight: bold;
}

.bingo-img-overlay {
  pointer-events: none;
  position: absolute;
  left: 0; right: 0; top: 0; bottom: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-size: 1em;
  color: #fff;
  font-weight: bold;
  border-radius: 8px;
  opacity: 0;
  z-index: 2;
  transition: opacity 0.18s;
}

.bingo-img-thumb-wrap.selected .bingo-img-overlay {
  background: rgba(255,255,255,0.5);
  color: #d00;
  opacity: 1;
}
.bingo-img-thumb-wrap.keep .bingo-img-overlay {
  background: rgba(0,0,0,0.50);
  color: #fff;
  opacity: 1;
}
.bingo-img-thumb-wrap.selected.keep .bingo-img-overlay {
  background: linear-gradient(135deg, rgba(0,0,0,0.45) 60%, rgba(255,255,255,0.5) 100%);
  color: #fff;
  opacity: 1;
}

/* ========== ボタン群 ========== */
#bingo-keep-controls button,
#remove-unkept-btn {
  padding: 7px 18px;
  font-size: 1em;
  border: none;
  border-radius: 22px;
  background: #eee;
  color: #222;
  margin-right: 6px;
  cursor: pointer;
  box-shadow: 0 1px 2px #0002;
  transition: background 0.2s, color 0.2s;
}
#bingo-keep-controls button:hover,
#remove-unkept-btn:hover {
  background: #d1eaff;
  color: #1976d2;
}
#btn-make-bingo {
    display: none;
}

/* ========== 検索結果画像リスト ========== */
.search-img-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.search-img-thumb-wrap {
  position: relative;
  flex: 0 0 calc((100% - 9*8px) / 10); /* 10列 */
/*  max-width: 86px;*/
  aspect-ratio: 1/1;
  border-radius: 6px;
  overflow: hidden;
  margin: 0;
  background: #fafafa;
}

.search-img-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  cursor: pointer;
}

/* セット済みBINGO画像は黒オーバーレイ＋クリック不可 */
.search-img-thumb-wrap.selected .search-img-thumb {
  pointer-events: none;
  opacity: 0.45;
  cursor: not-allowed;
}
.search-img-thumb-wrap.selected::after {
  content: "選択中";
  position: absolute;
  left: 0; right: 0; top: 0; bottom: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.55);
  color: #fff;
  font-weight: bold;
  font-size: 1.0em;
  z-index: 5;
}
/*日本語タイトル*/
.search-img-title {
    top: -2em;
    position: relative;
    background-color: rgba(255,255,255,0.8);
    font-size: 0.5em;
    font-weight: bold;
    letter-spacing: -1px;
    height: 1.8em;
    line-height: 1.8em;
    overflow: hidden;
    padding: 0 1px;
    border: 1px solid gray;
    margin: 1px;
    border-radius: 4px;
    text-align: center;
}

/*SNSエリア*/
.ss-bottom {
    display: none;
}

/* スマホ対応 ========== */
@media (max-width: 600px) {
  #bingo-area-header {
    font-size: 1em;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2em;
  }
  .bingo-image-list {
    gap: 4px;
  }
/*  .bingo-img-thumb {
    width: 68px;
    height: 68px;
  }*/
  .bingo-img-thumb-wrap {
    flex: 0 0 calc((100% - 4px * 8) / 7); /* 7列分割・gap6個分（数値調整済み） */
    margin: 0 1px 0 0;
    border-radius: 6px;
  }
  .bingo-img-overlay {
    font-size: 0.93em;
    border-radius: 6px;
  }
  .search-img-thumb-wrap {
    flex: 0 0 calc((100% - 8*4px) / 5); /* 5列 */
    /*max-width: 52px;*/
  }

  .bingo-img-lock-icon {
    top: -3px;
    right: -3px;
  }
  
}