:root{--bg:#eceef1;--panel:#fff;--line:#d9dde3;--text:#1f2328;--sub:#6b7280;--accent:#2563eb;--accent-weak:#e8f0fe}*{box-sizing:border-box}html,body,#root{margin:0;height:100%;font-family:Meiryo,メイリオ,Yu Gothic UI,sans-serif;font-size:13px;color:var(--text);background:var(--bg);overflow:hidden}#app{display:grid;grid-template-rows:auto 1fr auto;grid-template-columns:1fr 260px;height:100%}#toolbar{grid-column:1/3;display:flex;align-items:center;gap:6px;padding:6px 10px;background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap}.group{display:flex;gap:2px;align-items:center;padding-right:8px;margin-right:2px;border-right:1px solid var(--line)}.group:last-child{border-right:none}button{font:inherit;border:1px solid transparent;background:transparent;border-radius:6px;padding:5px 8px;cursor:pointer;display:inline-flex;align-items:center;gap:5px;color:inherit;white-space:nowrap}button:hover{background:#f1f3f5}button.active{background:var(--accent-weak);border-color:var(--accent);color:var(--accent)}button.primary{background:var(--accent);color:#fff}button.primary:hover{background:#1d4ed8}button:disabled{opacity:.35;cursor:default;background:transparent}button svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.tool .lbl{font-size:12px}#pageInput{width:44px;text-align:center;font:inherit;padding:3px;border:1px solid var(--line);border-radius:5px}#zoomLabel{min-width:56px;text-align:center;font-variant-numeric:tabular-nums}#viewport{position:relative;overflow:hidden;background:#7d838c}#cv{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block;touch-action:none}#empty{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;color:#fff;text-align:center;pointer-events:none}#empty .box{border:2px dashed rgba(255,255,255,.6);border-radius:14px;padding:40px 56px;pointer-events:auto}#empty h2{margin:0 0 6px;font-size:20px}#empty p{margin:0 0 16px;opacity:.85}#viewport.drag #empty .box{background:#ffffff1f}.text-editor{position:absolute;margin:0;padding:0;border:none;outline:1.5px dashed var(--accent);background:#ffffffbf;resize:none;overflow:hidden;white-space:pre;z-index:5;min-width:20px}#panel{background:var(--panel);border-left:1px solid var(--line);overflow-y:auto;padding:4px 12px 16px}#panel section{padding:10px 0;border-bottom:1px solid var(--line)}#panel section:last-child{border-bottom:none}#panel h3{margin:0 0 8px;font-size:12px;color:var(--sub);font-weight:700;letter-spacing:.05em}.row{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:6px 0}.row>span:first-child{flex:none}.row input[type=range]{flex:1;min-width:0}.val{width:42px;text-align:right;font-variant-numeric:tabular-nums;color:var(--sub);font-size:12px}input[type=color]{width:40px;height:26px;padding:0;border:1px solid var(--line);border-radius:5px;background:none;cursor:pointer}select,input[type=number]{font:inherit;padding:3px 5px;border:1px solid var(--line);border-radius:5px;background:#fff}.swatches{display:flex;gap:4px;flex-wrap:wrap;margin:2px 0 6px}.swatches i{width:18px;height:18px;border-radius:4px;border:1px solid rgba(0,0,0,.2);cursor:pointer;display:block}.swatches i:hover{transform:scale(1.15)}.seg{display:flex;border:1px solid var(--line);border-radius:6px;overflow:hidden;margin:4px 0 6px}.seg button{flex:1;border-radius:0;justify-content:center;border:none;border-right:1px solid var(--line)}.seg button:last-child{border-right:none}.seg button.active{border:none;background:var(--accent);color:#fff}.btnrow{display:flex;gap:4px;flex-wrap:wrap}.btnrow button{border:1px solid var(--line)}.fmt{width:32px;justify-content:center;border:1px solid var(--line)!important}.fmt.active{border-color:var(--accent)!important}.help{font-size:11.5px;color:var(--sub);line-height:1.7}.help b{color:var(--text);font-weight:400;background:#f1f3f5;border:1px solid var(--line);border-radius:3px;padding:0 4px;font-size:11px}#status{grid-column:1/3;display:flex;justify-content:space-between;gap:12px;padding:5px 12px;background:var(--panel);border-top:1px solid var(--line);font-size:12px;color:var(--sub)}#hint{color:var(--text)}#busy{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:none;align-items:center;justify-content:center;z-index:50;color:#fff;font-size:15px}#busy.show{display:flex}#busy div{background:#222;padding:18px 28px;border-radius:10px}#toolbar{padding-top:calc(6px + env(safe-area-inset-top,0px));padding-left:max(10px,env(safe-area-inset-left,0px));padding-right:max(10px,env(safe-area-inset-right,0px))}#status{padding-bottom:calc(5px + env(safe-area-inset-bottom,0px));padding-left:max(12px,env(safe-area-inset-left,0px));padding-right:max(12px,env(safe-area-inset-right,0px))}#panel{padding-right:max(12px,env(safe-area-inset-right,0px))}button{touch-action:manipulation}.mobile-only,.sheet-head,.actionbar{display:none}.actionbar{position:absolute;left:50%;transform:translate(-50%);bottom:calc(12px + env(safe-area-inset-bottom,0px));gap:6px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:6px;box-shadow:0 4px 16px #00000040;z-index:6;white-space:nowrap}.actionbar button{border:1px solid var(--line);padding:8px 14px;font-size:14px}.actionbar button.primary{border-color:var(--accent)}@media (max-width:760px),(pointer:coarse){.actionbar{display:flex}}@media (max-width:760px){#app{grid-template-columns:minmax(0,1fr);height:100dvh}#toolbar,#viewport{min-width:0}#toolbar{grid-column:1;padding-block:calc(4px + env(safe-area-inset-top,0px)) 4px;padding-left:max(6px,env(safe-area-inset-left,0px));padding-right:max(6px,env(safe-area-inset-right,0px));gap:2px}#toolbar .group{border-right:none;padding-right:0;margin-right:0}.g-tools{order:10;flex:1 0 100%;overflow-x:auto;scrollbar-width:none;border-top:1px solid var(--line);padding-top:4px;margin-top:2px}.g-tools::-webkit-scrollbar{display:none}.g-tools .tool{flex-direction:column;gap:1px;padding:4px 6px;min-width:46px;flex:none}.g-tools .tool .lbl{font-size:10px}.g-file .lbl{display:none}.desk-only{display:none!important}.mobile-only{display:flex}#toolbar .mobile-only{margin-left:auto}button{padding:6px 7px}#pageInput{width:38px}#status{grid-column:1;font-size:11px;padding-block:4px calc(4px + env(safe-area-inset-bottom,0px));padding-left:max(10px,env(safe-area-inset-left,0px));padding-right:max(10px,env(safe-area-inset-right,0px))}#hint{min-width:0;line-height:1.5;overflow-wrap:anywhere}#info{display:none}#panel{position:fixed;left:0;right:0;bottom:0;max-height:62%;z-index:30;border-left:none;border-top:1px solid var(--line);border-radius:14px 14px 0 0;box-shadow:0 -8px 24px #0000002e;padding:0 max(16px,env(safe-area-inset-right,0px)) calc(16px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));transform:translateY(105%);visibility:hidden;transition:transform .22s ease,visibility .22s}#panel.open{transform:none;visibility:visible}.sheet-head{display:flex;position:sticky;top:0;z-index:1;background:var(--panel);justify-content:space-between;align-items:center;padding:8px 0;border-bottom:1px solid var(--line)}.sheet-head h3{margin:0!important}.sheet-head button{border:1px solid var(--line)}#panel .help{display:none}.row input[type=range]{height:28px}.swatches i{width:26px;height:26px}#empty .box{padding:28px 20px;margin:0 16px}}@media (prefers-reduced-motion:reduce){#panel{transition:none}}#toolbar .group:nth-last-child(2){border-right:none}.note{font-size:11.5px;color:var(--sub);line-height:1.6;margin:8px 0 0}.modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:60;padding:16px}.modal-card{background:var(--panel);border-radius:12px;padding:18px;width:min(360px,100%);display:flex;flex-direction:column;gap:8px;box-shadow:0 10px 30px #0000004d}.modal-card h4{margin:0 0 4px;font-size:15px}.modal-card p{margin:0 0 4px;line-height:1.6;color:var(--sub)}.modal-card .fname{color:var(--text);word-break:break-all;background:#f1f3f5;border-radius:6px;padding:6px 8px;font-size:12px}.modal-card .choice{flex-direction:column;align-items:flex-start;gap:2px;border:1px solid var(--line);padding:10px 12px;white-space:normal;text-align:left}.modal-card .choice b{font-size:14px}.modal-card .choice span{font-size:12px;color:var(--sub)}.modal-card .choice:hover{border-color:var(--accent);background:var(--accent-weak)}.modal-card .big{justify-content:center;padding:10px;font-size:14px}.modal-card .plain{justify-content:center;color:var(--sub)}