:root{
  --icon-size: 76px;   /* 76×76固定 */
  --gap: 4px;          /* 画像間隔 */
  --side-pad: 2px;     /* 行の両サイド余白 */
  --filter-btn: 56px;  /* フィルタ/基準ボタン幅 */
  --max-width: 800px;  /* コンテンツ最大幅 */
  color-scheme: light dark;
}

*{ box-sizing:border-box; }

html,body{
  margin:0;
  background:#f7f7f7;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,Meiryo,sans-serif;
  color:#111;
}

a{ color:#1565c0; text-decoration:none; }
a:hover{ text-decoration:underline; }

header{ padding:12px; }

.topbar{
  max-width:var(--max-width);
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}

.backlink{ font-weight:600; }

.bulk-actions{
  display:flex;
  align-items:center;
  gap:8px;
}

.bulk-gap{
  width: calc(var(--filter-btn) + 4px);
}

.bulk-btn{
  padding:6px 10px;
  border-radius:10px;
  border:1px solid #1976d2;
  background:#1976d2;
  color:#fff;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  white-space:nowrap;
  line-height:1;
  font:inherit;
}

.bulk-btn.ghost{
  background:#fff;
  color:#1976d2;
}

.bulk-btn.share{
  width:4em;
  min-width:4em;
  padding:6px 0;
  background:#fff;
  color:#1976d2;
  border:1px solid #1976d2;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:4px;
  transition:background-color .2s ease, color .2s ease, border-color .2s ease;
}

.bulk-btn.share.copied{
  background:#ffd8b0;
  color:#7a2e00;
  border-color:#f0b37e;
}

.bulk-btn.share.failed{
  background:#ffd6d6;
  color:#8a1f1f;
  border-color:#f0a8a8;
}

.bulk-btn:active{
  transform:translateY(1px);
}

h1{
  margin:8px auto 12px;
  text-align:center;
  font-size:clamp(18px,3.5vw,28px);
  font-weight:800;
}

.filters{
  max-width:var(--max-width);
  margin:0 auto 12px;
  display:grid;
  gap:8px;
}

.filter-row{
  display:grid;
  grid-auto-flow:column;
  grid-auto-columns:minmax(0,1fr);
  gap:8px;
  align-items:center;
  justify-items:center;
  padding:0 var(--side-pad);
}

.filter-btn{
  width:var(--filter-btn);
  height:var(--filter-btn);
  border:0;
  background:transparent;
  padding:0;
  border-radius:12px;
  overflow:hidden;
  display:grid;
  place-items:center;
  cursor:pointer;
  outline-offset:4px;
}

.filter-btn img{
  width:100%;
  height:100%;
  display:block;
  user-select:none;
  -webkit-user-drag:none;
}

.filter-btn[data-active="true"]{
  outline:3px solid #1976d2;
  box-shadow:0 0 0 2px #fff inset;
}


.sort-row{
  max-width:var(--max-width);
  margin:0 auto 12px;
  display:flex;
  justify-content:center;
  padding:0 var(--side-pad);
}

.sort-btn{
  min-height:40px;
  padding:8px 14px;
  border-radius:10px;
  border:1px solid #1976d2;
  background:#fff;
  color:#1976d2;
  cursor:pointer;
  font:inherit;
  font-weight:700;
  line-height:1.2;
}

.sort-btn:active{
  transform:translateY(1px);
}

main{
  max-width:var(--max-width);
  margin:0 auto;
  padding:0 0 24px;
}

.grid-wrap{
  padding:0 var(--side-pad);
}

/* 76×76固定セルで左詰め（iOSズレ防止） */
.grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, var(--icon-size));
  grid-auto-rows: var(--icon-size);
  gap: var(--gap);
  justify-content:flex-start;
  align-content:start;
}

/* キャラセル（ボタン既定スタイル無効化でズレを防止） */
.chara{
  width:var(--icon-size);
  height:var(--icon-size);
  position:relative;
  border-radius:10px;
  overflow:hidden;
  background:#ddd;
  cursor:pointer;
  outline-offset:4px;
  appearance:none;
  -webkit-appearance:none;
  border:0;
  padding:0;
  display:block;
  line-height:0;
}

/* 画像は拡大縮小しない */
.chara img{
  width:76px;
  height:76px;
  display:block;
  image-rendering:auto;
  -webkit-user-drag:none;
  user-select:none;
}

/* 非選択は暗くする（黒オーバーレイ） */
.chara::after{
  content:"";
  position:absolute;
  inset:0;
  background:transparent;
  transition:background .12s ease;
  pointer-events:none;
}

.chara[data-owned="false"]::after{
  background:rgba(0,0,0,.5);
}

/* ON時だけ表示する左上の▼ */
.drop-indicator{
  position:absolute;
  left:4px;
  top:4px;
  width:20px;
  height:20px;
  border:0;
  border-radius:999px;
  background:rgba(0,0,0,.58);
  color:#fff;
  font-size:11px;
  font-weight:700;
  line-height:1;
  display:none;
  align-items:center;
  justify-content:center;
  padding:0;
  cursor:pointer;
  z-index:3;
  box-shadow:0 1px 4px rgba(0,0,0,.28);
}

.chara[data-owned="true"] .drop-indicator{
  display:flex;
}

/* CR表示は右上 */
.cr-badge{
  position:absolute;
  right:6px;
  top:6px;
  min-width:34px;
  padding:2px 6px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  line-height:1.2;
  text-align:center;
  color:#fff;
  display:none;
  box-sizing:border-box;
  border:1px solid rgba(255,255,255,.35);
  box-shadow:0 1px 4px rgba(0,0,0,.35);
  z-index:2;
}

.cr-badge.cr6{
  background:linear-gradient(180deg, #3b82f6 0%, #1d4ed8 100%);
}

.cr-badge.cr9{
  background:linear-gradient(180deg, #a855f7 0%, #7e22ce 100%);
}

.cr-badge.cr15{
  background:linear-gradient(180deg, #facc15 0%, #d97706 100%);
  color:#2b1a00;
  border-color:rgba(255,240,180,.8);
  box-shadow:
    0 1px 4px rgba(0,0,0,.35),
    0 0 8px rgba(250,204,21,.45);
}

/* モーダル */
.state-modal.hidden{
  display:none;
}

.state-modal{
  position:fixed;
  inset:0;
  z-index:1000;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:16px;
}

#confirm-modal{
  z-index:1100;
}

#state-modal-backdrop{
  position:absolute;
  inset:0;
  background:rgba(0,0,0,.45);
}

.state-modal-panel{
  position:relative;
  z-index:1;
  width:min(92vw, 360px);
  margin:0;
  background:#fff;
  color:#111;
  border-radius:14px;
  box-shadow:0 16px 40px rgba(0,0,0,.28);
  padding:16px;
}

.state-modal-title{
  margin:0 0 12px;
  font-size:18px;
  font-weight:800;
  line-height:1.4;
}

.state-modal-name{
  margin:0 0 12px;
  font-size:14px;
  color:#444;
  word-break:break-word;
}

.state-modal-field{
  display:grid;
  gap:6px;
  margin-bottom:14px;
}

.state-modal-field label{
  font-size:13px;
  font-weight:700;
}

#state-select{
  width:100%;
  min-height:40px;
  border:1px solid #c7c7c7;
  border-radius:10px;
  background:#fff;
  color:#111;
  padding:8px 10px;
  font:inherit;
}

.state-modal-actions{
  display:flex;
  justify-content:flex-end;
  gap:8px;
}

#state-cancel,
#state-ok{
  min-width:88px;
  min-height:40px;
  border-radius:10px;
  font:inherit;
  cursor:pointer;
}

#state-cancel{
  border:1px solid #b9c3d0;
  background:#fff;
  color:#234;
}

#state-ok{
  border:1px solid #1976d2;
  background:#1976d2;
  color:#fff;
}

footer{
  margin-top:24px;
  padding:16px;
  border-top:1px solid #ddd;
  font-size:12px;
  color:#555;
}

.footer-inner{
  max-width:var(--max-width);
  margin:0 auto;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
  justify-content:space-between;
}

/* モバイル：広告の∧とサイトUIが重ならないように物理的な余白を作る */
@media (hover: none) and (pointer: coarse) {
  .filters::before{
    content:"";
    display:block;
    height:28px;
    pointer-events:none;
  }


  .state-modal-panel{
    width:min(94vw, 360px);
  }
}

@media (max-width: 560px){
  header{
    padding:10px 8px;
  }

  .topbar{
    flex-direction:column;
    align-items:stretch;
  }

  .bulk-actions{
    justify-content:flex-end;
    flex-wrap:wrap;
  }

  .bulk-gap{
    display:none;
  }

  .filter-row{
    gap:6px;
  }

  .sort-btn{
    width:100%;
  }

}

.filter-row-states{
  grid-template-columns:repeat(5, minmax(0, 1fr));
  grid-auto-flow:initial;
  grid-auto-columns:auto;
}

.state-filter-btn{
  width:100%;
  min-width:0;
  height:40px;
  padding:0 8px;
  border:1px solid #c7d3e1;
  background:#fff;
  color:#234;
  font-size:14px;
  font-weight:700;
  line-height:1;
}

.state-filter-btn span{
  display:block;
  width:100%;
  text-align:center;
}

.state-filter-btn[data-active="true"]{
  border-color:#1976d2;
  background:#1976d2;
  color:#fff;
  outline:none;
  box-shadow:0 0 0 2px rgba(25,118,210,.18);
}

@media (max-width: 560px){
  .filter-row-states{
    gap:4px;
  }

  .state-filter-btn{
    height:36px;
    padding:0 4px;
    font-size:12px;
  }
}


.confirm-modal-panel{
  width:min(92vw, 380px);
}

#confirm-modal-message{
  margin-bottom:16px;
  line-height:1.7;
  color:#333;
}

@media (max-width: 420px){
  :root{
    --icon-size: calc((100vw - 32px) / 5);
  }

  .chara img{
    width:var(--icon-size);
    height:var(--icon-size);
  }
}