/* Layout: top command bar / full-bleed neutral stage / right inspector (stacks below on phones).
   Single committed dark look: a photo editor's surround stays neutral so the image reads true. */
:root{
  --bg:#1b1c1e; --surface:#242628; --surface-2:#2d3033; --line:#3a3d41;
  --fg:#e8e6e1; --muted:#9a9c9f; --accent:#6fb5d6; --accent-ink:#0d1a21; --warn:#e0a35e; --danger:#e06a5e;
  --font-ui:"IBM Plex Sans JP",system-ui,-apple-system,"Hiragino Sans","Noto Sans JP",sans-serif;
  --font-num:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --gutter-l:max(16px,env(safe-area-inset-left,0px)); --gutter-r:max(16px,env(safe-area-inset-right,0px));
  color-scheme:dark;
}
html{height:100%;box-sizing:border-box}
*,*::before,*::after{box-sizing:inherit}
body{height:100%;margin:0;background:var(--bg);color:var(--fg);font:13px/1.5 var(--font-ui);overflow:hidden}
button,input,select,textarea{font:inherit;color:inherit}
button{background:var(--surface-2);border:1px solid var(--line);border-radius:6px;padding:5px 10px;cursor:pointer;line-height:1.3;white-space:nowrap;display:inline-flex;align-items:center;gap:5px}
button svg{width:14px;height:14px;flex:none}
button:hover{border-color:#50545a}
button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
button:disabled{opacity:.4;cursor:default}
button.primary{background:var(--accent);color:var(--accent-ink);border-color:transparent;font-weight:600}
button.ghost{background:transparent}
button.active{background:var(--accent);color:var(--accent-ink);border-color:transparent}
button.icon{padding:5px 7px}
select,input[type=text],input[type=number],textarea{background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:5px 8px;min-width:0;width:100%}
input[type=number]{font-family:var(--font-num)}
input[type=color]{width:100%;height:30px;padding:2px;background:var(--bg);border:1px solid var(--line);border-radius:6px;cursor:pointer}
textarea{resize:vertical;min-height:3.2em}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}
.chk{display:inline-flex;align-items:center;gap:6px;cursor:pointer;white-space:nowrap}
.chk input{accent-color:var(--accent);margin:0}
.app{height:100%;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;gap:8px 12px;flex-wrap:wrap;padding-block:7px;padding-left:var(--gutter-l);padding-right:var(--gutter-r);background:var(--surface);border-bottom:1px solid var(--line)}
.brand{font-weight:600;letter-spacing:.02em;display:flex;align-items:baseline;gap:8px}
.brand small{color:var(--muted);font-weight:400}
.filegroup{display:flex;align-items:center;gap:6px;min-width:0;flex:1}
#fileMeta{color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.actions{display:flex;gap:5px;flex-wrap:wrap}
.sep{width:1px;height:22px;background:var(--line);margin:0 3px}
.work{flex:1;display:flex;min-height:0}
.stage{flex:1;min-width:0;display:flex;flex-direction:column;position:relative}
.viewport{flex:1;overflow:auto;display:flex;padding:12px;position:relative;touch-action:pan-x pan-y}
.viewport.picking{cursor:crosshair}
.viewport.panning{cursor:grabbing}
.canvasWrap{margin:auto;position:relative;flex:none;box-shadow:0 0 0 1px #000, 0 12px 40px rgba(0,0,0,.5)}
.canvasWrap.items{touch-action:none;cursor:default}
.canvasWrap.hand{cursor:grab}
#view{display:block;width:100%;height:100%}
.stagebar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding-block:5px;padding-left:var(--gutter-l);padding-right:var(--gutter-r);border-top:1px solid var(--line);background:var(--surface);color:var(--muted);font-size:12px}
.stagebar .spacer,.spacer{flex:1}
.swatch{display:inline-block;width:12px;height:12px;border:1px solid rgba(255,255,255,.3);vertical-align:-2px;margin-right:4px;border-radius:2px}
.zoomgroup{display:flex;gap:4px;align-items:center}
.zoomgroup button{padding:3px 8px}
#zoomLabel{min-width:4em;text-align:center}
.cropOverlay{position:absolute;inset:0;overflow:hidden;touch-action:none;cursor:crosshair;user-select:none}
.cropBox{position:absolute;box-shadow:0 0 0 200vmax rgba(10,10,12,.6);outline:1px solid rgba(255,255,255,.9);cursor:move}
.cropBox::before{content:"";position:absolute;inset:0;pointer-events:none;background:
  linear-gradient(to right,transparent calc(33.333% - .5px),rgba(255,255,255,.35) calc(33.333% - .5px),rgba(255,255,255,.35) calc(33.333% + .5px),transparent calc(33.333% + .5px)),
  linear-gradient(to right,transparent calc(66.666% - .5px),rgba(255,255,255,.35) calc(66.666% - .5px),rgba(255,255,255,.35) calc(66.666% + .5px),transparent calc(66.666% + .5px)),
  linear-gradient(to bottom,transparent calc(33.333% - .5px),rgba(255,255,255,.35) calc(33.333% - .5px),rgba(255,255,255,.35) calc(33.333% + .5px),transparent calc(33.333% + .5px)),
  linear-gradient(to bottom,transparent calc(66.666% - .5px),rgba(255,255,255,.35) calc(66.666% - .5px),rgba(255,255,255,.35) calc(66.666% + .5px),transparent calc(66.666% + .5px))}
.cropBox.fine::before{background:repeating-linear-gradient(to right,transparent 0 calc(10% - .5px),rgba(255,255,255,.3) calc(10% - .5px) calc(10% + .5px)),repeating-linear-gradient(to bottom,transparent 0 calc(10% - .5px),rgba(255,255,255,.3) calc(10% - .5px) calc(10% + .5px))}
.h{position:absolute;width:14px;height:14px;background:#fff;border:1px solid rgba(0,0,0,.6);border-radius:2px;transform:translate(-50%,-50%)}
.h[data-h=nw]{left:0;top:0;cursor:nwse-resize}.h[data-h=n]{left:50%;top:0;cursor:ns-resize}.h[data-h=ne]{left:100%;top:0;cursor:nesw-resize}
.h[data-h=e]{left:100%;top:50%;cursor:ew-resize}.h[data-h=se]{left:100%;top:100%;cursor:nwse-resize}.h[data-h=s]{left:50%;top:100%;cursor:ns-resize}
.h[data-h=sw]{left:0;top:100%;cursor:nesw-resize}.h[data-h=w]{left:0;top:50%;cursor:ew-resize}
.cropLabel{position:absolute;left:0;top:calc(100% + 6px);background:rgba(20,20,22,.85);padding:1px 6px;border-radius:4px;white-space:nowrap;font-size:11px;color:#fff;pointer-events:none}
.panel{width:316px;flex:none;border-left:1px solid var(--line);background:var(--surface);display:flex;flex-direction:column;min-height:0}
.tabs{display:flex;border-bottom:1px solid var(--line)}
.tabs button{flex:1;border:0;border-radius:0;background:transparent;padding:10px 0;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px;justify-content:center}
.tabs button.active{color:var(--fg);border-bottom-color:var(--accent);background:transparent}
.pane{overflow:auto;flex:1;padding-block:12px 20px;padding-left:16px;padding-right:var(--gutter-r);display:flex;flex-direction:column;gap:14px}
.pane h3,.modal h3,summary{margin:0;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:500;display:flex;justify-content:space-between;align-items:center;gap:6px}
.pane h3 button,.modal h3 button,summary button{font-size:11px;padding:1px 7px;text-transform:none;letter-spacing:0}
.pane h3 .chk,summary .chk{font-size:12px;text-transform:none;letter-spacing:0;color:var(--fg)}
summary{cursor:pointer;list-style:none;padding:4px 0;user-select:none}
summary::-webkit-details-marker{display:none}
summary::before{content:"▸";display:inline-block;width:12px;color:var(--muted);transition:transform .15s}
details[open]>summary::before{transform:rotate(90deg)}
summary>span:first-of-type{flex:1}
summary .on{color:var(--accent)}
details{border-top:1px solid var(--line);padding-top:4px}
details>.group{padding:6px 0 4px 12px}
.group{display:flex;flex-direction:column;gap:10px}
.adj{display:grid;grid-template-columns:1fr auto;gap:2px 8px;align-items:center}
.adj label{cursor:pointer}
.adj output{font-family:var(--font-num);font-variant-numeric:tabular-nums;color:var(--muted);min-width:3.5em;text-align:right}
.adj output.on{color:var(--fg)}
.adj input[type=range]{grid-column:1/-1;width:100%;accent-color:var(--accent);margin:0;height:22px}
.adj input[type=range].hue{-webkit-appearance:none;appearance:none;height:10px;border-radius:5px;background:linear-gradient(to right,#f00,#ff0,#0f0,#0ff,#00f,#f0f,#f00);margin:6px 0}
.adj input[type=range].hue::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;border-radius:50%;background:#fff;border:2px solid #1b1c1e;cursor:pointer}
.adj input[type=range].hue::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:#fff;border:2px solid #1b1c1e}
.adj .hint{grid-column:1/-1;display:flex;justify-content:space-between;font-size:10px;color:var(--muted);margin-top:-6px}
.group.off .adj{opacity:.45}
.bands{display:flex;gap:4px}
.bands button{flex:1;height:22px;padding:0;border-radius:4px;border:2px solid transparent}
.bands button.active{border-color:#fff;box-shadow:0 0 0 1px #000}
.histWrap{display:flex;flex-direction:column;gap:4px}
#hist{width:100%;height:84px;display:block;background:var(--bg);border:1px solid var(--line);border-radius:4px}
#curve{width:100%;aspect-ratio:1;display:block;background:var(--bg);border:1px solid var(--line);border-radius:4px;touch-action:none;cursor:crosshair}
.clip{display:flex;justify-content:space-between;font-size:11px;color:var(--muted)}
.clip b{font-weight:500;color:var(--fg)}
.row{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.row.split{justify-content:space-between}
.field{display:flex;flex-direction:column;gap:4px;min-width:0}
.field>span{font-size:11px;color:var(--muted)}
.dims{display:flex;gap:8px;align-items:end}
.dims .x{color:var(--muted);padding-bottom:6px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
.note{font-size:11px;color:var(--muted);line-height:1.5;margin:0}
.note.warn{color:var(--warn)}
kbd{font-family:var(--font-num);font-size:10px;background:var(--bg);border:1px solid var(--line);border-radius:3px;padding:0 4px;white-space:nowrap}
.list{display:flex;flex-direction:column;gap:4px}
.list button{text-align:left;display:flex;gap:8px;align-items:center;white-space:normal}
.list button .t{color:var(--muted);font-size:11px;flex:none;width:2.5em}
.list .empty{color:var(--muted);font-size:12px}
.chans button{padding:3px 10px}
.presetRow{display:flex;gap:6px}
.presetRow select{flex:1}
.progress{height:6px;background:var(--bg);border-radius:3px;overflow:hidden}
.progress div{height:100%;background:var(--accent);width:0;transition:width .15s}
.thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:8px}
.thumbs figure{margin:0;display:flex;flex-direction:column;gap:4px;font-size:10px;color:var(--muted);word-break:break-all}
.thumbs img{width:100%;border:1px solid var(--line);border-radius:4px;display:block}
.dropHint{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(27,28,30,.8);border:2px dashed var(--accent);margin:12px;border-radius:10px;font-size:16px;pointer-events:none;z-index:5}
.modalBack{position:fixed;inset:0;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;z-index:20;padding-left:var(--gutter-l);padding-right:var(--gutter-r)}
.modal{background:var(--surface);border:1px solid var(--line);border-radius:10px;width:min(560px,100%);max-height:90vh;overflow:auto;padding:18px;display:flex;flex-direction:column;gap:14px}
.modal h2{margin:0;font-size:15px;font-weight:600}
.modal .grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.modal input[type=range]{width:100%;accent-color:var(--accent)}
.exportBody{display:grid;grid-template-columns:150px 1fr;gap:16px}
.exportBody .thumb{background:var(--bg);border:1px solid var(--line);border-radius:6px;display:flex;align-items:center;justify-content:center;min-height:120px;overflow:hidden}
.exportBody .thumb canvas{max-width:100%;max-height:200px}
#fallback img{max-width:100%;border:1px solid var(--line);border-radius:6px;display:block}
.keys{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:12px;align-items:center}
.keys kbd{font-size:11px;padding:1px 6px}
.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:#f1efe9;color:#1b1c1e;padding:8px 14px;border-radius:8px;font-weight:500;z-index:30;box-shadow:0 8px 24px rgba(0,0,0,.4);max-width:calc(100% - 32px)}
@media (max-width:760px){
  .work{flex-direction:column}.stage{min-height:42vh}
  .panel{width:auto;border-left:0;border-top:1px solid var(--line);max-height:46vh}
  .pane{padding-left:var(--gutter-l)}.filegroup{order:3;flex-basis:100%}
  .exportBody{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:no-preference){
  .toast{animation:pop .18s ease-out}
  @keyframes pop{from{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%,0)}}
}
/* ---- v2: tabs, layers, props, font picker, dialogs ---- */
.tabs button{font-size:12.5px;padding:10px 2px}
.layers{max-height:240px;overflow:auto;border:1px solid var(--line);border-radius:6px;background:var(--bg);padding:3px;gap:2px}
.layer{display:flex;align-items:center;gap:6px;padding:3px 6px;border-radius:4px;cursor:pointer;min-width:0;border:1px solid transparent}
.layer:hover{background:var(--surface-2)}
.layer.sel{background:color-mix(in srgb,var(--accent) 22%,transparent);border-color:color-mix(in srgb,var(--accent) 55%,transparent)}
.layer.off .ln,.layer.off .lt{opacity:.45}
.layer.dropTop{box-shadow:inset 0 2px 0 var(--accent)}.layer.dropBot{box-shadow:inset 0 -2px 0 var(--accent)}
.layer button{background:transparent;border:0;padding:2px;color:var(--muted)}
.layer button:hover{color:var(--fg)}.layer .ll.on{color:var(--warn)}
.layer .lt{color:var(--muted);font-size:10.5px;flex:none;width:2.8em}
.layer .ln{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.layer .lg{font-size:10px;color:var(--accent);border:1px solid currentColor;border-radius:3px;padding:0 4px;flex:none}
.layer .lrename{flex:1;min-width:0;padding:1px 4px}
.tools button.active,.row.bgv button.active{background:var(--accent);color:var(--accent-ink);border-color:transparent}
.psec{border-top:1px solid var(--line);padding-top:2px}
.psec>.group{padding:6px 0 4px 0}
.colrow{display:flex;gap:4px;align-items:center}
.colrow input[type=color]{flex:1;min-width:0}
.pickbtn{padding:4px 6px;font-size:13px;line-height:1}
.fontbtn{width:100%;justify-content:space-between;background:var(--bg);text-align:left;font-size:15px;padding:6px 8px;min-width:0}
.fontbtn span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fontbtn small{color:var(--muted)}
.fontPicker{position:fixed;z-index:40;background:var(--surface);border:1px solid var(--line);border-radius:10px;box-shadow:0 16px 40px rgba(0,0,0,.5);display:flex;flex-direction:column;gap:8px;padding:10px}
.fp-head{display:grid;grid-template-columns:1fr 9.5em;gap:6px}
.fp-list{overflow:auto;flex:1;min-height:140px;display:flex;flex-direction:column;gap:2px;border:1px solid var(--line);border-radius:6px;padding:4px;background:var(--bg)}
.fp-cat{font-size:10.5px;letter-spacing:.08em;color:var(--muted);padding:8px 6px 3px;position:sticky;top:-4px;background:var(--bg)}
.fp-row{background:transparent;border:1px solid transparent;justify-content:space-between;text-align:left;padding:6px 8px;white-space:nowrap;min-width:0}
.fp-row:hover{background:var(--surface-2)}.fp-row.on{border-color:var(--accent)}
.fp-name{font-size:17px;overflow:hidden;text-overflow:ellipsis;min-width:0}
.fp-del{color:var(--muted);padding:0 4px}.fp-del:hover{color:var(--danger)}
.fp-foot{display:flex;gap:6px;flex-wrap:wrap}
.fp-foot button{flex:1}
.choice{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.choice button{flex-direction:column;align-items:flex-start;gap:4px;white-space:normal;text-align:left;padding:12px}
.choice button span{font-size:11.5px;font-weight:400;opacity:.85;line-height:1.5}
.canvasWrap.bgmode{touch-action:none}
@media (max-width:760px){.choice{grid-template-columns:1fr}.fp-head{grid-template-columns:1fr}}
.pane{overflow-x:hidden}
.layer .lt{width:3.4em}

/* ---- v3: usability & visual polish ---- */
.stagebar .hint{color:var(--muted);opacity:.85;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;flex:1 1 auto}
.stagebar #statusInfo{color:var(--fg)}
.spin{width:12px;height:12px;border:2px solid color-mix(in srgb,var(--accent) 35%,transparent);border-top-color:var(--accent);border-radius:50%;display:inline-block;animation:spin .8s linear infinite;flex:none}
@keyframes spin{to{transform:rotate(360deg)}}
body.busy .viewport{cursor:progress}
.adj output{cursor:text;border-radius:3px;padding:0 2px}
.adj output:hover{background:var(--surface-2);color:var(--fg)}
.adj output .outEdit{width:5em;padding:1px 4px;font-family:var(--font-num);text-align:right}
.layer .ldot{width:12px;height:12px;border-radius:3px;flex:none;border:1px solid rgba(255,255,255,.25);font-size:9px;line-height:10px;text-align:center;color:var(--muted)}
.toast{cursor:pointer}
.toast.err{background:#f6d6d2;color:#5a1610;box-shadow:0 8px 24px rgba(0,0,0,.4),inset 4px 0 0 #d9534f}
.welcome{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:6;width:min(520px,calc(100% - 32px));background:color-mix(in srgb,var(--surface) 94%,transparent);
  border:1px solid var(--line);border-radius:12px;padding:20px;display:flex;flex-direction:column;gap:10px;box-shadow:0 20px 60px rgba(0,0,0,.55);backdrop-filter:blur(6px)}
.welcome h2{margin:0;font-size:17px}
.welcome p{margin:0;color:var(--muted);line-height:1.65}
.tabs button{position:relative}
.tabs button:not(.active):hover{color:var(--fg);background:var(--surface-2)}
.pane h3,.pane summary{color:color-mix(in srgb,var(--fg) 62%,var(--muted))}
button.primary:hover{filter:brightness(1.08)}
input[type=range]{cursor:pointer}
.layers:empty::after{content:'';}
@media (max-width:1100px){.topbar .actions .lbl{display:none}.topbar .actions button{padding:5px 8px}.topbar #exportBtn .lbl{display:inline}}
@media (max-width:760px){.stagebar .hint{display:none}.brand small{display:none}.welcome{top:auto;bottom:12px;transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.spin{animation:none}}

/* ---- v4: EC tab ---- */
.tabs button{font-size:12px;padding:10px 1px}
#tabEc{flex:.55;font-weight:600;letter-spacing:.04em}
.ecres{display:flex;flex-direction:column;gap:4px}
.ecsum{font-weight:600;padding:6px 8px;border-radius:6px}
.ecsum.ok{background:color-mix(in srgb,#3fb950 22%,transparent)}.ecsum.warn{background:color-mix(in srgb,var(--warn) 22%,transparent)}.ecsum.ng{background:color-mix(in srgb,var(--danger) 25%,transparent)}
.ecrow{display:grid;grid-template-columns:18px 1fr;gap:4px 6px;align-items:start;font-size:12px;line-height:1.5;padding:3px 2px;border-bottom:1px solid var(--line)}
.ecrow button{grid-column:2;justify-self:start;font-size:11px;padding:2px 8px}
.eci{font-weight:700;text-align:center;border-radius:50%;width:16px;height:16px;line-height:16px;font-size:10px;margin-top:2px}
.ecrow.ok .eci{background:#3fb950;color:#0b1a0f}.ecrow.warn .eci{background:var(--warn);color:#2a1a05}.ecrow.ng .eci{background:var(--danger);color:#2a0705}
.tplgrid{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.tplbtn{justify-content:flex-start;white-space:normal;text-align:left;font-size:12px;line-height:1.3}
.tsw{width:14px;height:14px;border-radius:4px;flex:none;border:1px solid rgba(255,255,255,.3)}
.bsec{border:1px solid var(--line);border-radius:8px;padding:10px;gap:6px}

/* ---- v5: final polish ---- */
.pane .chk,.modal .chk{white-space:normal;align-items:flex-start;line-height:1.45}
.pane .chk input,.modal .chk input{margin-top:2px}
.pane h3,.pane summary,.modal h3{text-transform:none;letter-spacing:.04em}
/* ロゴ（案A クロップ） */
.brand{align-items:center}
.brandMark{width:22px;height:22px;flex:none;border-radius:5px;box-shadow:0 0 0 1px color-mix(in srgb,var(--fg) 14%,transparent)}
.brandName{font-weight:400;letter-spacing:.01em}
.brandName b{font-weight:600}
.brand small{align-self:baseline;position:relative;top:1px}
.welcomeMark{width:44px;height:44px;border-radius:10px;display:block;box-shadow:0 0 0 1px color-mix(in srgb,var(--fg) 14%,transparent)}
@media (max-width:760px){.welcomeMark{display:none}}