:root{
    --bg:#f6f2e8;
    --paper:#fffaf0;
    --ink:#222;
    --muted:#6b6257;
    --line:#d8cfc1;
    --accent:#2f6f73;
    --accent2:#ffe29a;
    --danger:#b23b3b;
    --shadow:0 8px 24px rgba(0,0,0,.16);
    --safeTop:env(safe-area-inset-top);
    --safeBottom:env(safe-area-inset-bottom);
  }
  *{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
  html,body{height:100%;margin:0;font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic",sans-serif;color:var(--ink);background:var(--bg);overflow:hidden}
  button,input,textarea,select{font:inherit}
  button{border:0;border-radius:14px;background:#fff;color:var(--ink);box-shadow:0 1px 0 rgba(0,0,0,.08);padding:10px 13px;cursor:pointer;white-space:nowrap;line-height:1.1}
  button:active{transform:translateY(1px)}
  .app{height:100%;display:flex;flex-direction:column;padding-top:var(--safeTop)}
  .topbar{
    min-height:64px;display:flex;align-items:center;gap:8px;padding:8px 10px;border-bottom:1px solid var(--line);
    background:rgba(246,242,232,.92);backdrop-filter:blur(12px);z-index:20;flex-shrink:0;
    overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;scrollbar-width:none;
  }
  .topbar::-webkit-scrollbar{display:none}
  .topbar > *{flex:0 0 auto;white-space:nowrap}
  .brand{
    font-weight:800;letter-spacing:.02em;margin-right:4px;white-space:nowrap;
    position:sticky;left:0;z-index:3;background:rgba(246,242,232,.96);
    padding:4px 8px 4px 0;border-radius:0 14px 14px 0;
  }
  .brand small{display:block;font-size:11px;color:var(--muted);font-weight:600;margin-top:1px;line-height:1.25}
  .tab{background:#fff7e6;color:#333;min-width:52px;text-align:center}
  .tab.active{background:var(--accent);color:#fff}
  .primary{background:var(--accent);color:#fff;font-weight:700}
  .ghost{background:transparent;box-shadow:none;border:1px solid var(--line)}
  .danger{background:#fff0f0;color:var(--danger);border:1px solid #f0c5c5}
  .main{position:relative;flex:1;min-height:0}
  .view{position:absolute;inset:0;display:none}
  .view.active{display:block}
  /* Board */
  .boardWrap{
    position:absolute;inset:0;overflow:auto;touch-action:pan-x pan-y;background:var(--bg);
  }
  .board{
    position:relative;width:13000px;height:9000px;transform-origin:0 0;
    background:
      radial-gradient(circle at 1px 1px, rgba(0,0,0,.08) 1px, transparent 0);
    background-size:24px 24px;
  }
  .hint{
    position:absolute;left:16px;top:16px;max-width:345px;background:rgba(255,250,240,.92);border:1px dashed var(--line);
    color:var(--muted);border-radius:18px;padding:12px 14px;line-height:1.45;font-size:14px;box-shadow:0 4px 14px rgba(0,0,0,.06);z-index:0;
  }
  .group{
    position:absolute;border:3px solid rgba(47,111,115,.42);background:rgba(47,111,115,.08);
    border-radius:24px;box-shadow:0 6px 18px rgba(0,0,0,.08);overflow:visible;z-index:1;
  }
  .group.g1{border-color:rgba(47,111,115,.45);background:rgba(47,111,115,.08)}
  .group.g2{border-color:rgba(222,153,43,.50);background:rgba(255,210,122,.13)}
  .group.g3{border-color:rgba(78,132,55,.48);background:rgba(164,220,127,.12)}
  .group.g4{border-color:rgba(167,74,112,.48);background:rgba(255,158,199,.12)}
  .group.g5{border-color:rgba(109,91,173,.48);background:rgba(169,151,230,.12)}
  .groupHead{
    position:absolute;left:14px;top:-17px;min-height:34px;max-width:calc(100% - 28px);
    background:rgba(255,250,240,.96);border:1px solid rgba(0,0,0,.12);border-radius:999px;padding:5px 6px 5px 11px;
    display:flex;align-items:center;gap:6px;box-shadow:0 3px 12px rgba(0,0,0,.10);
    touch-action:none;user-select:none;cursor:grab;
  }
  .groupTitle{font-weight:900;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:230px}
  .groupCount{font-size:11px;color:var(--muted);font-weight:700;white-space:nowrap}
  .groupBtn{padding:5px 8px;border-radius:999px;background:rgba(255,255,255,.75);box-shadow:none;border:1px solid rgba(0,0,0,.07);font-size:13px}
  .resizeHandle{
    position:absolute;right:-10px;bottom:-10px;width:34px;height:34px;border-radius:12px;
    background:rgba(255,250,240,.96);border:1px solid rgba(0,0,0,.16);box-shadow:0 3px 12px rgba(0,0,0,.12);
    display:flex;align-items:center;justify-content:center;font-weight:900;color:var(--muted);touch-action:none;user-select:none;
  }
  .resizeHandle::before{content:"↘";font-size:18px}
  .card{
    position:absolute;width:170px;min-height:82px;background:var(--paper);border:1px solid rgba(0,0,0,.09);border-radius:18px;
    box-shadow:0 6px 16px rgba(0,0,0,.13);overflow:hidden;z-index:5;
  }
  .card.c1{background:#fff7ca}
  .card.c2{background:#dff5ff}
  .card.c3{background:#e8ffd9}
  .card.c4{background:#ffe1ec}
  .card.c5{background:#eee4ff}
  .cardHead{
    display:flex;align-items:center;gap:5px;padding:7px 7px 5px 9px;border-bottom:1px solid rgba(0,0,0,.06);
    touch-action:none;user-select:none;cursor:grab;
  }
  .grab{font-size:16px;color:var(--muted);line-height:1}
  .cardTitle{font-weight:800;line-height:1.18;flex:1;word-break:break-word;font-size:13px}
  .editBtn{padding:6px 8px;border-radius:12px;background:rgba(255,255,255,.65);box-shadow:none;border:1px solid rgba(0,0,0,.07);flex-shrink:0}
  .cardBody{padding:7px 9px 9px;font-size:12px;line-height:1.38;white-space:pre-wrap;word-break:break-word;max-height:104px;overflow:auto}
  .chips{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px}
  .chip{font-size:9.5px;border-radius:999px;padding:2px 5px;background:rgba(255,255,255,.72);border:1px solid rgba(0,0,0,.08);color:#4d463d}
  .miniStatus{font-size:9.5px;color:var(--muted);margin-top:5px}
  .miniGroup{font-size:9.5px;color:#235e62;margin-top:3px;font-weight:700}
  .toolDock{
    position:fixed;left:10px;right:10px;bottom:calc(10px + var(--safeBottom));
    z-index:15;display:flex;justify-content:flex-end;align-items:flex-end;pointer-events:none;
  }
  .toolToggle{
    height:46px;border-radius:18px;padding:12px 18px;box-shadow:var(--shadow);pointer-events:auto;
    font-weight:900;
  }
  .toolPanel{
    display:none;position:absolute;right:0;bottom:0;width:min(380px,100%);
    background:rgba(255,250,240,.96);border:1px solid var(--line);border-radius:22px;
    padding:10px;box-shadow:var(--shadow);backdrop-filter:blur(12px);pointer-events:auto;
  }
  .toolDock.open .toolToggle{display:none}
  .toolDock.open .toolPanel{display:block}
  .toolRow{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:7px;margin-bottom:7px}
  .toolRow:last-child{margin-bottom:0}
  .toolPanel button{height:42px;border-radius:15px;padding:8px 9px;font-size:13px;box-shadow:0 1px 0 rgba(0,0,0,.08);white-space:nowrap}
  #zoomReset{font-weight:800}
  #toolCloseBtn{background:#fff7e6}
  /* Shelf/List */
  .shelf{height:100%;overflow:auto;padding:12px 12px calc(86px + var(--safeBottom))}
  .filters{position:sticky;top:0;z-index:2;background:rgba(246,242,232,.96);backdrop-filter:blur(10px);padding:8px 0 12px;display:flex;gap:8px;overflow:auto}
  .filters select,.filters input{
    min-height:42px;border:1px solid var(--line);border-radius:14px;background:#fff;padding:9px 12px;outline:none;
  }
  .list{display:grid;gap:10px}
  .row{
    background:rgba(255,250,240,.94);border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:0 3px 10px rgba(0,0,0,.06);
  }
  .row.groupRow{border-width:2px;border-color:rgba(47,111,115,.30);background:rgba(255,250,240,.98)}
  .rowTitle{font-weight:800;margin-bottom:5px}
  .rowBody{color:#3f3932;white-space:pre-wrap;line-height:1.45}
  .rowMeta{margin-top:9px;color:var(--muted);font-size:12px;display:flex;gap:8px;flex-wrap:wrap}
  .rowActions{margin-top:10px;display:flex;gap:8px;flex-wrap:wrap}
  /* Export */
  .export{height:100%;overflow:auto;padding:14px 12px calc(86px + var(--safeBottom))}
  .panel{background:rgba(255,250,240,.94);border:1px solid var(--line);border-radius:20px;padding:13px;box-shadow:0 3px 12px rgba(0,0,0,.07);margin-bottom:12px}
  .panel h2{font-size:18px;margin:0 0 8px}
  .panel p{margin:6px 0;color:var(--muted);line-height:1.5}
  .output{
    width:100%;min-height:320px;border:1px solid var(--line);border-radius:16px;background:#fff;padding:12px;line-height:1.45;resize:vertical;
  }
  .actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
  /* Modal */
  .modalBackdrop{
    position:absolute;inset:0;background:rgba(0,0,0,.28);z-index:40;display:none;align-items:flex-end;justify-content:center;
  }
  .modalBackdrop.show{display:flex}
  .modal{
    width:min(680px,100%);max-height:92%;overflow:auto;background:#fffaf0;border-radius:24px 24px 0 0;border:1px solid rgba(0,0,0,.08);
    box-shadow:0 -8px 30px rgba(0,0,0,.22);padding:14px 14px calc(16px + var(--safeBottom));
  }
  .modalTop{display:flex;align-items:center;gap:8px;margin-bottom:10px}
  .modalTitle{font-weight:900;font-size:18px;margin-right:auto}
  .field{margin:10px 0}
  .label{font-size:13px;color:var(--muted);font-weight:700;margin-bottom:5px}
  .field input,.field textarea,.field select{
    width:100%;border:1px solid var(--line);border-radius:15px;background:#fff;padding:11px 12px;outline:none;
  }
  .field textarea{min-height:100px;resize:vertical;line-height:1.45}

  .checkRow{
    display:flex;align-items:flex-start;gap:9px;background:#fff;border:1px solid var(--line);
    border-radius:15px;padding:10px 12px;line-height:1.4;
  }
  .checkRow input{width:20px;height:20px;margin-top:1px;flex:0 0 auto}
  .checkRow b{display:block}
  .checkRow small{display:block;color:var(--muted);margin-top:2px}

  .grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
  .colorPick{display:flex;gap:7px;flex-wrap:wrap}
  .colorDot{width:38px;height:38px;border-radius:999px;border:2px solid rgba(0,0,0,.12);background:#fff7ca}
  .colorDot.active{outline:3px solid var(--accent)}
  .colorDot.c1{background:#fff7ca}.colorDot.c2{background:#dff5ff}.colorDot.c3{background:#e8ffd9}.colorDot.c4{background:#ffe1ec}.colorDot.c5{background:#eee4ff}
  .colorDot.g1{background:rgba(47,111,115,.20)}.colorDot.g2{background:rgba(255,210,122,.32)}.colorDot.g3{background:rgba(164,220,127,.28)}.colorDot.g4{background:rgba(255,158,199,.28)}.colorDot.g5{background:rgba(169,151,230,.28)}
  .toast{
    position:absolute;left:50%;bottom:calc(84px + var(--safeBottom));transform:translateX(-50%);z-index:60;
    background:#24201c;color:#fff;padding:10px 14px;border-radius:999px;font-size:14px;display:none;max-width:88%;text-align:center;
  }
  .toast.show{display:block}
  .hiddenFile{display:none}


  .deletePanel{
    position:fixed;left:10px;right:10px;bottom:calc(70px + var(--safeBottom));
    z-index:18;display:none;gap:8px;justify-content:center;align-items:center;
    background:rgba(255,250,240,.94);border:1px solid rgba(178,59,59,.28);
    border-radius:18px;padding:8px;box-shadow:var(--shadow);backdrop-filter:blur(10px);
  }
  .deletePanel.show{display:flex}
  .deletePanel button{height:40px;padding:9px 13px;font-size:13px}


  .toolRowSingle{grid-template-columns:1fr}
  .group.aiExcluded{
    border-style:dashed!important;
    box-shadow:0 0 0 3px rgba(178,59,59,.10), 0 6px 18px rgba(0,0,0,.08);
    background:
      repeating-linear-gradient(135deg, rgba(178,59,59,.045) 0 8px, rgba(255,255,255,.00) 8px 16px),
      rgba(178,59,59,.045)!important;
  }
  .group.aiExcluded .groupHead{
    border-color:rgba(178,59,59,.28);
  }
  .group.aiExcluded .groupCount{
    background:rgba(178,59,59,.92);
    color:#fff;
    border-radius:999px;
    padding:3px 7px;
  }

  #deleteModeBtn.active{background:#b23b3b;color:#fff}
  .deleteMode .boardWrap{cursor:crosshair}
  .deleteMode .card{outline:3px solid rgba(178,59,59,.55);outline-offset:2px}
  .deleteMode .group{border-color:rgba(178,59,59,.62)!important}
  .deleteMode .card::after{
    content:"タップで削除";position:absolute;right:8px;bottom:7px;font-size:10px;
    background:rgba(178,59,59,.92);color:#fff;border-radius:999px;padding:3px 7px;pointer-events:none;
  }
  .deleteMode .groupHead::after{
    content:"削除";font-size:10px;background:rgba(178,59,59,.92);color:#fff;
    border-radius:999px;padding:3px 7px;margin-left:2px;pointer-events:none;
  }


  body.noDots .board{background:none!important}
  body.bg-cream{--bg:#f6f2e8}
  body.bg-white{--bg:#ffffff}
  body.bg-gray{--bg:#f1f1f1}
  body.bg-blue{--bg:#edf6fb}
  body.bg-green{--bg:#eff8ee}

  body.card-small .card{width:150px;min-height:74px}
  body.card-small .cardTitle{font-size:12px}
  body.card-small .cardBody{font-size:11px;max-height:92px}
  body.card-large .card{width:205px;min-height:100px}
  body.card-large .cardTitle{font-size:14px}
  body.card-large .cardBody{font-size:13px;max-height:132px}

  body.panel-left .toolDock{justify-content:flex-start}
  body.panel-left .toolPanel{left:0;right:auto}
  body.panel-right .toolDock{justify-content:flex-end}
  body.panel-right .toolPanel{right:0;left:auto}

  @media (max-width:520px){
    .topbar{gap:6px;padding-left:7px;padding-right:7px}
    .brand{font-size:15px;min-width:150px}
    .brand small{font-size:10px}
    .tab{padding:9px 10px;font-size:13px;min-width:48px}
    .primary{padding:10px 11px}
    #quickSaveBtn,#templateBtn{padding:10px 9px;font-size:12px}
    #undoBtn,#redoBtn{padding:10px 8px;min-width:38px;font-weight:900}
    #deleteModeBtn{padding:10px 10px;min-width:48px;font-weight:900}
    .card{width:160px}
    .grid2{grid-template-columns:1fr}
    .groupTitle{max-width:160px}
    .toolPanel button{padding:8px 7px;font-size:12px}
  }

.ad-section {
  padding: 32px 0;
  background: var(--bg);
}

.ad-box {
  min-height: 120px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 252, 243, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
  overflow: hidden;
}

.ad-box > * {
  max-width: 100%;
}


/* English labels for delete-mode pseudo elements */
html[lang="en"] .deleteMode .card::after{
  content:"Tap to delete";
}
html[lang="en"] .deleteMode .groupHead::after{
  content:"Delete";
}


/* Settings modal link back to landing page */
.settingsAbout{
  margin:14px 0 2px;
  padding:10px 12px;
  border:1px solid var(--line);
  border-radius:15px;
  background:#fff;
  text-align:center;
}
.settingsAbout a{
  color:var(--accent);
  font-weight:800;
  text-decoration:none;
}
.settingsAbout a:active{
  opacity:.75;
}