:root{font-family:Arial,'Malgun Gothic',sans-serif;color:#172d40;background:#f6f8fb;font-size:16px;line-height:1.7;--brand:#1264ba;--border:#dce4ed}*{box-sizing:border-box}body{margin:0}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}button,input,select{font:inherit}button,a,input,select,summary{touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #f0ad37;outline-offset:3px}button{cursor:pointer}button:disabled{opacity:.5;cursor:wait}.skip{position:absolute;top:-100px}.skip:focus{top:0;background:white;padding:12px;z-index:5}header{background:white;border-bottom:1px solid var(--border);padding:16px max(20px,calc((100% - 1200px)/2));display:flex;align-items:center;justify-content:space-between;gap:20px}header nav{display:flex;gap:22px;font-size:14px}.brand{display:flex;align-items:center;gap:8px;color:#16334b;font-weight:800;font-size:22px;letter-spacing:-1px}main{max-width:1240px;margin:auto;padding:28px 20px 60px}.crumb{font-size:12px;color:#687d8f}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--brand);font-weight:bold;margin:28px 0 8px}h1{font-size:clamp(27px,4vw,38px);line-height:1.35;letter-spacing:-1.2px;margin:0 0 12px}h2{font-size:23px;line-height:1.4;letter-spacing:-.5px}.intro{color:#52687b;max-width:880px;margin:0 0 24px}.privacy{background:#eaf3fa;border:1px solid #d5e6f4;border-radius:8px;padding:12px 16px;font-size:13px;display:flex;gap:16px;flex-wrap:wrap;margin-bottom:20px}.privacy strong{color:#145382}.studio{display:grid;grid-template-columns:320px minmax(0,1fr);background:white;border:1px solid var(--border);border-radius:12px;overflow:hidden}.editor{padding:24px;border-right:1px solid var(--border)}.step{font-size:11px;font-weight:bold;letter-spacing:1.2px;color:#62798d;margin:4px 0 16px}label{font-size:13px;font-weight:600;display:block;margin-bottom:12px}input,select{display:block;width:100%;padding:9px;border:1px solid #bccbd8;border-radius:6px;background:white;color:inherit;margin-top:6px;min-height:42px}input[type=color]{padding:4px;height:42px}input[type=file]{font-size:12px;max-width:100%}.hint{font-size:12px;color:#64798b}.btn{display:inline-block;background:var(--brand);color:white;border:0;border-radius:7px;padding:11px 18px;font-size:14px;font-weight:bold;text-align:center;text-decoration:none}.btn:hover{background:#0d529b;text-decoration:none}.editor>.btn{width:100%;margin-top:12px}.secondary-actions{display:flex;gap:8px;margin-top:12px}.secondary-actions button,.file-row button,.color-chip{background:white;border:1px solid var(--border);border-radius:5px;padding:6px 8px;font-size:12px;color:#314e65}.file-row{font-size:11px;display:flex;gap:5px;align-items:center;margin:6px 0}.file-row span{overflow-wrap:anywhere;flex:1}#file-list:not(:empty){margin-bottom:24px}#controls p{font-size:12px;color:#62798d}.preview-panel{padding:24px;min-width:0}.preview-head{display:flex;justify-content:space-between;gap:8px;margin-bottom:14px;font-size:13px}#dimensions{color:#64798b}.preview-box{background:#edf1f5;min-height:300px;max-height:620px;overflow:auto;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:7px;padding:20px;position:relative}.preview-box canvas{display:block;max-width:100%;height:auto;background-color:white;background-image:conic-gradient(#e2e6ea 25%,white 0 50%,#e2e6ea 0 75%,white 0);background-size:20px 20px;touch-action:none}.preview-box canvas[hidden]{display:none}.preview-box canvas:not([hidden])~.empty-hint{display:none}.empty-hint{font-size:13px;color:#687d8f;max-width:280px;text-align:center}#status{font-size:13px;min-height:44px;color:#315879;overflow-wrap:anywhere}.downloads{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.secondary{background:#eef4f9;color:#204f75;border:1px solid var(--border);font-size:12px}.secondary:hover{background:#dcebf6}#palette{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.color-chip{text-align:left}.short-guide{max-width:850px;margin:36px 0}.short-guide li,.article li{margin-bottom:10px}.guide-link{display:block;background:white;border:1px solid var(--border);border-radius:9px;padding:20px;margin-top:24px}.guide-link span{display:block;color:#687d8f;font-size:12px}.guide-link strong{display:block;margin-top:4px}.related{border-top:1px solid var(--border);margin-top:48px;padding-top:20px}.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.related-grid a{background:white;border:1px solid var(--border);padding:14px;border-radius:6px;font-size:13px}.article{max-width:860px;background:white;border:1px solid var(--border);border-radius:12px;padding:32px;margin-top:28px}.article section{scroll-margin-top:24px;margin-top:40px}.byline{font-size:12px;color:#6a7d8f}.toc{background:#f5f8fb;border-radius:8px;padding:20px;margin:24px 0;display:grid;gap:8px;font-size:14px}.toc strong{margin-bottom:4px}.table-scroll{overflow:auto}table{width:100%;border-collapse:collapse;font-size:14px;text-align:left}caption{text-align:left;font-size:12px;color:#64798b;margin-bottom:10px}th,td{padding:14px;border-bottom:1px solid var(--border);min-width:120px}thead{background:#f3f7fb}details{border-bottom:1px solid var(--border);padding:16px 0}summary{cursor:pointer;font-weight:bold;font-size:15px}details p{font-size:14px;color:#52687b}footer{padding:24px;text-align:center;font-size:12px;color:#64798b;border-top:1px solid var(--border)}@media(max-width:760px){header{padding:12px 16px}header nav{gap:12px;font-size:12px}main{padding:20px 14px 40px}.studio{grid-template-columns:1fr}.editor{border-right:0;border-bottom:1px solid var(--border);padding:20px}#controls{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}#controls p{grid-column:1/-1}.preview-panel{padding:18px}.preview-box{min-height:200px;max-height:440px;padding:12px}.article{padding:22px 18px}.related-grid{grid-template-columns:1fr 1fr}.privacy{gap:4px}h1{font-size:28px}}@media(max-width:400px){#controls,.related-grid{grid-template-columns:1fr}header nav a:nth-child(2){display:none}}

h1,h2,.btn,.related-grid a{word-break:keep-all;overflow-wrap:anywhere}

/* Upload-first creative workspace. */
:root{background:#f5f7fa;color:#192e42;font-family:Arial,'Malgun Gothic',sans-serif;--brand:#1765d1;--border:#e1e7ef}
header{height:76px;border-bottom:1px solid #e6ebf1}.brand{font-size:24px}main{padding-top:28px}.eyebrow{margin-top:30px;font-size:10px;letter-spacing:1.7px}h1{font-size:clamp(28px,3.3vw,38px);font-weight:800;margin-bottom:12px}.intro{font-size:15px;line-height:1.8;color:#66778a;max-width:850px}.privacy{background:transparent;border:0;padding:0;margin:8px 0 28px;font-size:12px;color:#7b8796;gap:10px}.privacy strong{color:#365c82}.view-tabs{display:flex;gap:30px;border-bottom:1px solid var(--border);margin-bottom:24px;font-size:14px;font-weight:700}.view-tabs>span,.view-tabs>a{padding:12px 2px}.view-tabs>span{border-bottom:3px solid var(--brand);color:var(--brand)}.view-tabs>a{color:#7b8796}.studio{border-radius:16px;grid-template-columns:310px minmax(0,1fr);overflow:visible;background:white}.source-panel{grid-column:1/-1;border-bottom:1px solid var(--border);padding:26px 28px 18px}.drop-zone{display:flex;align-items:center;justify-content:center;gap:22px;border:1.5px dashed #adc8e9;background:#f7faff;min-height:155px;border-radius:12px;padding:28px;margin:0;cursor:pointer;transition:background .15s,border-color .15s}.drop-zone:hover,.drop-zone.drag-over,.drop-zone:has(+input:focus-visible){background:#eaf3ff;border-color:#1765d1}.drop-zone.drag-over{outline:3px solid #d8e8ff;outline-offset:3px}.upload-icon{width:64px;height:64px;display:grid;place-items:center;background:#e7f0fe;border-radius:15px;color:var(--brand);flex:none}.upload-icon svg{width:40px;height:40px}.drop-copy{display:flex;flex-direction:column;gap:4px}.drop-copy strong{font-size:18px;letter-spacing:-.5px;color:#234268}.drop-copy>span{font-size:13px;font-weight:400;color:#74869b}.drop-copy small{font-size:11px;font-weight:400;color:#8c9caf;margin-top:5px}.choose-file{margin-left:auto;padding:10px 16px;background:white;border:1px solid #cddbef;border-radius:7px;color:var(--brand);font-size:13px;white-space:nowrap}.choose-file>span{margin-left:16px}.source-footer{display:flex;justify-content:space-between;gap:10px;font-size:10px;color:#8a98a8;margin-top:11px}.privacy-dot{display:inline-block;width:6px;height:6px;background:#418c72;border-radius:50%;margin-right:5px}.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;padding:0!important;border:0!important}.editor{padding:26px 24px;background:#fff;border-bottom-left-radius:16px}.section-heading{display:flex;align-items:center;gap:10px;margin-bottom:22px}.step-number{font-size:10px;font-weight:700;background:#edf2f8;color:#627a95;width:29px;height:29px;display:grid;place-items:center;border-radius:8px}.section-heading h2{font-size:15px;margin:0;letter-spacing:-.3px}.section-heading p{font-size:11px;color:#98a3b0;margin:2px 0 0}.preview-head .section-heading{margin-bottom:0}.preview-panel{padding:26px;background:#fafbfd;border-bottom-right-radius:16px}.preview-head{margin-bottom:24px;align-items:center}#dimensions{font-size:10px;background:#eef2f7;padding:3px 8px;border-radius:4px}#dimensions:empty{display:none}.preview-box{background:#f0f3f7;border:1px solid #e7ecf2;min-height:350px;max-height:570px;border-radius:10px;padding:18px}.empty-hint{display:flex;flex-direction:column;align-items:center;gap:5px;max-width:300px;color:#a8b5c5}.empty-hint svg{height:70px;width:70px;margin-bottom:10px}.empty-hint strong{font-size:13px;font-weight:500;color:#7f91a5}.empty-hint>span{font-size:11px;color:#a3afbd}#controls label{font-size:12px;font-weight:600;color:#53677e;margin-bottom:16px}input,select{border-color:#dbe3ee;border-radius:7px;padding:10px 11px;min-height:42px;font-size:13px}input:focus,select:focus{border-color:#7da9e6}.btn{border-radius:8px;font-size:13px;padding:12px 18px}.secondary-actions{justify-content:space-between;gap:6px}.secondary-actions button{font-size:11px;color:#8392a3;border:0;padding:7px 3px}#status{margin:14px 0 20px;min-height:30px;font-size:12px;line-height:1.7}.save-bar{display:flex;align-items:center;justify-content:space-between;gap:14px;padding-top:18px;border-top:1px solid #e1e7ef}.save-bar strong{font-size:12px;display:block}.save-bar small{display:block;font-size:10px;color:#9aa6b4;margin-top:3px}.save-bar .btn{white-space:nowrap}.file-row{background:#f8fafc;border:1px solid #e5eaf1;border-radius:7px;padding:8px 12px;margin-top:8px;max-width:620px;color:#607288}.file-row button{background:white;font-size:10px;padding:4px 7px}#file-list:not(:empty){margin-top:14px;margin-bottom:0}.logo-drop{padding:14px;border:1px dashed #b7c9df;border-radius:8px;cursor:pointer;background:#f8faff}.logo-drop strong{font-size:12px;display:block;color:#4374a7}.logo-drop span{font-size:10px;display:block;margin-top:4px;overflow-wrap:anywhere}.logo-drop.drag-over{background:#e4efff;border-color:var(--brand)}.short-guide{margin-top:40px}.short-guide h2,.related h2{font-size:20px}.guide-link{padding:22px;border-radius:12px}.related-grid a{padding:17px;border-radius:9px}.article{border-radius:16px}.downloads .btn{font-size:11px}.byline{color:#8796a6}
@media(max-width:900px){.drop-zone{gap:16px;padding:24px}.drop-copy strong{font-size:16px}.choose-file{display:none}.studio{grid-template-columns:280px minmax(0,1fr)}.preview-panel{padding:22px}.save-bar{align-items:flex-start;flex-direction:column}.save-bar .btn{width:100%}}
@media(max-width:760px){header{height:64px}.studio{grid-template-columns:1fr}.source-panel{padding:18px}.drop-zone{flex-direction:column;gap:12px;text-align:center;padding:24px 16px;min-height:210px}.upload-icon{width:50px;height:50px;border-radius:12px}.upload-icon svg{width:32px;height:32px}.drop-copy strong{font-size:16px}.drop-copy>span{font-size:11px}.source-footer>span:last-child{display:none}.editor{padding:22px;border-radius:0}.preview-panel{padding:22px;border-radius:0 0 16px 16px}.preview-box{min-height:250px;max-height:430px}.view-tabs{margin-bottom:18px}.section-heading{margin-bottom:20px}.save-bar{flex-direction:row;align-items:center}.save-bar .btn{width:auto}.privacy{margin-bottom:18px}.save-bar small{max-width:130px}.empty-hint strong{font-size:12px}}

/* NVIEW mascot supplied by the service owner, used without redrawing. */
.upload-icon{background:transparent;width:72px;height:98px;border-radius:0}.upload-icon img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}.empty-hint{max-width:330px}.mascot-preview{width:125px;height:188px;object-fit:contain;mix-blend-mode:multiply;margin-bottom:10px}.sample-button{display:block;margin:14px auto 2px;padding:5px 10px;border:0;background:transparent;color:#426e9d;font-size:12px;text-decoration:underline;text-underline-offset:4px}.sample-button:hover{color:#1765d1}.drop-zone:has(+input:focus-visible),.logo-drop:has(+input:focus-visible){outline:3px solid #f0ad37;outline-offset:3px}@media(max-width:760px){.upload-icon{width:58px;height:76px}.drop-zone{padding-top:18px;padding-bottom:18px}.mascot-preview{width:105px;height:158px}}