@font-face{font-family:NotoSansJP;src:url(/fonts/NotoSansJP-VariableFont_wght.ttf) format("truetype");font-weight:100 900}:root{--cell: 52px;--tile-size: 48px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:NotoSansJP,sans-serif;background:#111;color:#eee;height:100dvh;display:flex;flex-direction:column;overflow:hidden}header{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem .75rem;padding:.5rem 1rem;border-bottom:1px solid #2a2a2a;flex-shrink:0}.header-left{display:flex;align-items:center;gap:.5rem;flex-shrink:0}.header-right{display:flex;align-items:center;gap:.5rem;flex-shrink:0;margin-left:auto}.header-center{flex:1 1 100%;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:.5rem}.back-link{color:#666;text-decoration:none;font-size:.82rem;white-space:nowrap}.back-link:hover{color:#eee}#charset-input{background:#1a1a1a;border:1px solid #3a3a3a;color:#eee;padding:.32rem .65rem;border-radius:5px;font-family:inherit;font-size:.95rem;min-width:0;width:100%}#charset-input:focus{outline:none;border-color:#555}.btn{background:#222;border:1px solid #3a3a3a;color:#ccc;padding:.32rem .75rem;border-radius:5px;font-family:inherit;font-size:.83rem;cursor:pointer;white-space:nowrap;transition:border-color .12s,color .12s}.btn:hover{border-color:#666;color:#eee}main{flex:1;display:flex;flex-direction:column;overflow:hidden;min-height:0}#grid-wrap{flex:1;overflow:auto;padding:1rem;min-height:0}#grid{position:relative;background-color:#0d0d0d;background-image:linear-gradient(to right,#222 1px,transparent 1px),linear-gradient(to bottom,#222 1px,transparent 1px);background-size:var(--cell) var(--cell);display:inline-block;border:1px solid #222}.cell-hl{position:absolute;width:var(--cell);height:var(--cell);background:#63b3ff24;border:1px solid rgba(99,179,255,.32);border-radius:4px;pointer-events:none}.tile{width:var(--tile-size);height:var(--tile-size);display:flex;align-items:center;justify-content:center;font-size:clamp(11px,calc(var(--tile-size) * .56),28px);font-weight:700;background:#252525;border:1.5px solid #484848;border-radius:5px;cursor:grab;user-select:none;touch-action:none;color:#ddd;transition:background .1s,border-color .1s;flex-shrink:0}.tile:hover{background:#2e2e2e;border-color:#777;color:#fff}.tile.drag-source{opacity:.2}.tile-ghost{position:fixed;width:var(--tile-size);height:var(--tile-size);display:flex;align-items:center;justify-content:center;font-size:clamp(11px,calc(var(--tile-size) * .56),28px);font-weight:700;background:#383838;border:1.5px solid #888;border-radius:5px;color:#fff;pointer-events:none;z-index:1000;box-shadow:0 8px 28px #000000b3}#palette{flex-shrink:0;display:flex;flex-wrap:wrap;align-content:flex-start;gap:6px;padding:.6rem 1rem;border-top:1px solid #2a2a2a;max-height:calc(var(--tile-size) * 2 + 6px + 1.2rem + 2px);overflow-y:auto;background:#0a0a0a}.palette-item{position:relative;width:var(--tile-size);height:var(--tile-size);display:flex;align-items:center;justify-content:center;font-size:clamp(11px,calc(var(--tile-size) * .56),28px);font-weight:700;background:#1d2733;border:1.5px solid #35506b;border-radius:5px;color:#cfe4ff;cursor:grab;user-select:none;touch-action:none;flex-shrink:0;transition:background .1s,border-color .1s}.palette-item:hover{background:#243750;border-color:#4fa3ff}.palette-glyph{pointer-events:none}.palette-count{position:absolute;top:-5px;right:-5px;min-width:16px;height:16px;padding:0 3px;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;line-height:1;color:#fff;background:#4fa3ff;border-radius:8px;pointer-events:none}.palette-hint{color:#3a3a3a;font-size:.8rem;align-self:center;width:100%;text-align:center;pointer-events:none}.modal-overlay{display:none;position:fixed;inset:0;background:#000000b3;z-index:200;align-items:center;justify-content:center}.modal-overlay.open{display:flex}.modal-box{background:#1a1a1a;border:1px solid #3a3a3a;border-radius:10px;padding:1.4rem 1.6rem;color:#eee;font-family:inherit;width:min(480px,90vw)}.modal-box p{margin:0 0 .8rem;font-size:.9rem;line-height:1.7;color:#ccc;white-space:pre-line}.modal-btns{display:flex;justify-content:flex-end;gap:.5rem;margin-top:.8rem}