:root{--ink:#14151a;--ink-soft:#4a4c57;--paper:#f6f3ec;--surface:#fff;--line:#e2ddd2;--accent:#ff5a36;--accent-ink:#fff;--accent-soft:#ffe4dc;--focus:#2563eb;--danger:#b42318;--font-display:"Bricolage Grotesque", ui-sans-serif, system-ui, sans-serif;--font-body:ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Noto Sans", "Apple SD Gothic Neo", "Hiragino Sans", "PingFang SC", sans-serif;--radius-lg:22px;--radius-md:12px;--radius-sm:8px;--shadow-card:0 1px 0 #14151a0a, 0 24px 60px -24px #14151a47;--ease:cubic-bezier(.16, 1, .3, 1);--checker:repeating-conic-gradient(#e7e4dc 0% 25%, #fff 0% 50%) 50% / 18px 18px}*,:before,:after{box-sizing:border-box}body{background:var(--paper);color:var(--ink);font-family:var(--font-body);-webkit-font-smoothing:antialiased;margin:0;line-height:1.55}[hidden]{display:none!important}.sr-only{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.topbar{justify-content:space-between;align-items:center;max-width:1120px;margin:0 auto;padding:18px 16px;display:flex}.brand{color:var(--ink);font-family:var(--font-display);letter-spacing:-.02em;align-items:center;gap:10px;font-size:1.15rem;font-weight:800;text-decoration:none;display:flex}.lang select{appearance:none;border:1px solid var(--line);background:var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%234a4c57'/%3E%3C/svg%3E") no-repeat right 12px center;font:inherit;color:var(--ink);cursor:pointer;border-radius:999px;padding:8px 32px 8px 14px;font-size:.9rem}main{max-width:1120px;margin:0 auto;padding:0 16px}.hero{max-width:820px;padding:clamp(24px,6vw,64px) 0 clamp(20px,4vw,36px)}.hero h1{font-family:var(--font-display);letter-spacing:-.035em;margin:0;font-size:clamp(2.2rem,1.2rem + 4.2vw,4.4rem);font-weight:800;line-height:1.02}.subtitle{max-width:620px;color:var(--ink-soft);margin:18px 0 0;font-size:clamp(1rem,.95rem + .3vw,1.15rem)}.badge{background:var(--accent-soft);color:#8a2a12;border-radius:999px;margin:18px 0 0;padding:6px 12px;font-size:.85rem;font-weight:600;display:inline-block}.tool{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:clamp(12px,2vw,20px);position:relative}.dropzone{border:2px dashed var(--line);border-radius:calc(var(--radius-lg) - 6px);background:var(--checker);text-align:center;cursor:pointer;min-height:clamp(280px,40vw,420px);transition:border-color .2s var(--ease), transform .2s var(--ease);background-size:22px 22px;flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:24px;display:flex}.dropzone strong{font-family:var(--font-display);letter-spacing:-.02em;background:var(--surface);border-radius:var(--radius-sm);padding:2px 10px;font-size:clamp(1.3rem,1rem + 1vw,1.8rem)}.drop-hint{color:var(--ink-soft);background:var(--surface);border-radius:var(--radius-sm);padding:2px 8px;font-size:.92rem}.drop-icon{background:var(--ink);width:56px;height:56px;color:var(--paper);border-radius:50%;place-items:center;margin-bottom:4px;font-size:1.5rem;display:grid}.dropzone:hover,.dropzone.dragging{border-color:var(--accent)}.dropzone.dragging{transform:scale(.99)}.dropzone .button{margin-top:10px}.button{font:inherit;cursor:pointer;transition:transform .15s var(--ease), background-color .15s var(--ease), box-shadow .15s var(--ease);border:0;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:12px 22px;font-weight:700;display:inline-flex}.button.primary{background:var(--accent);color:var(--accent-ink);box-shadow:0 8px 20px -8px #ff5a36b3}.button.primary:hover{transform:translateY(-1px);box-shadow:0 12px 24px -10px #ff5a36cc}.button.primary:active{transform:translateY(1px)}.button.ghost{color:var(--ink-soft);background:0 0}.button.ghost:hover{background:var(--paper);color:var(--ink)}.button.wide{width:100%}.status{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:12px;min-height:clamp(280px,40vw,420px);padding:24px;display:flex}.status p{margin:0;font-weight:600}.status .note{max-width:420px;color:var(--ink-soft);font-size:.9rem;font-weight:400}.spinner{border:4px solid var(--line);border-top-color:var(--accent);border-radius:50%;width:44px;height:44px;animation:.9s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.progress{background:var(--line);border-radius:999px;width:min(320px,80%);height:6px;overflow:hidden}.progress-bar{background:var(--accent);transform-origin:0;height:100%;transition:transform .2s linear;transform:scaleX(0)}.editor{grid-template-columns:minmax(0,1fr) 300px;gap:20px;display:grid}.preview{--bg:#fff;border-radius:calc(var(--radius-lg) - 6px);background:#2a2b31;height:clamp(320px,62vh,640px);overflow:hidden}.preview img{max-width:100%;display:block}.preview .cropper-canvas,.preview .cropper-view-box{background:var(--bg)}.preview.is-transparent .cropper-canvas,.preview.is-transparent .cropper-view-box{background:var(--checker)}.preview .cropper-view-box{outline:2px solid var(--accent);outline-color:var(--accent)}.preview .cropper-line,.preview .cropper-point{background-color:var(--accent)}.preview .cropper-point{opacity:1;border-radius:50%;width:10px;height:10px}.panel{flex-direction:column;gap:18px;display:flex}fieldset{border:0;margin:0;padding:0}legend{font-family:var(--font-display);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:10px;padding:0;font-size:.82rem;font-weight:700}.swatches{grid-template-columns:repeat(4,1fr);gap:10px;display:grid}.swatch{aspect-ratio:1;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--c,#fff);cursor:pointer;transition:transform .15s var(--ease), box-shadow .15s var(--ease);position:relative}.swatch:hover{transform:translateY(-2px)}.swatch.active{box-shadow:0 0 0 2px var(--surface), 0 0 0 4px var(--ink)}.swatch.checker{background:var(--checker);background-size:12px 12px}.swatch.custom{background:conic-gradient(from 90deg,#ff5a36,#fde047,#22c55e,#06b6d4,#6366f1,#d946ef,#ff5a36);overflow:hidden}.swatch.custom:after{content:"";background:var(--c,#fff);border:2px solid var(--surface);pointer-events:none;border-radius:50%;position:absolute;inset:28%}.swatch.custom input{opacity:0;cursor:pointer;width:100%;height:100%;position:absolute;inset:0}.ratios{grid-template-columns:repeat(4,1fr);gap:8px;display:grid}.ratios button{border:1px solid var(--line);background:var(--surface);border-radius:var(--radius-sm);font:inherit;color:var(--ink);cursor:pointer;transition:background-color .15s var(--ease), border-color .15s var(--ease);padding:9px 4px;font-size:.88rem;font-weight:600}.ratios button:hover{border-color:var(--ink-soft)}.ratios button.active{background:var(--ink);border-color:var(--ink);color:var(--paper)}.formats{gap:18px;font-weight:600;display:flex}.formats label{cursor:pointer;align-items:center;gap:6px;display:flex}.formats label:has(input:disabled){opacity:.4;cursor:not-allowed}.size{font-variant-numeric:tabular-nums;color:var(--ink-soft);margin:0;font-size:.9rem}.error{border-radius:var(--radius-sm);color:var(--danger);background:#fef3f2;margin:14px 0 0;padding:10px 14px;font-weight:600}.ad-slot{margin:28px 0 0}.ad-slot:empty{display:none}.content{max-width:760px;padding:clamp(40px,7vw,80px) 0 40px}.content h2{font-family:var(--font-display);letter-spacing:-.03em;margin:0 0 20px;font-size:clamp(1.6rem,1.2rem + 1.4vw,2.3rem);font-weight:800}.steps{counter-reset:step;gap:22px;margin:0 0 56px;padding:0;list-style:none;display:grid}.steps li{counter-increment:step;grid-template-columns:52px 1fr;column-gap:16px;display:grid}.steps li:before{content:counter(step, decimal-leading-zero);font-family:var(--font-display);color:var(--accent);grid-row:span 2;font-size:1.9rem;font-weight:800;line-height:1}.steps h3{margin:0 0 4px;font-size:1.08rem}.steps p{color:var(--ink-soft);margin:0}details{border-top:1px solid var(--line);padding:16px 0}details:last-of-type{border-bottom:1px solid var(--line)}summary{cursor:pointer;justify-content:space-between;gap:16px;font-weight:700;list-style:none;display:flex}summary::-webkit-details-marker{display:none}summary:after{content:"+";font-family:var(--font-display);color:var(--accent);transition:transform .2s var(--ease);font-size:1.4rem;line-height:1}details[open] summary:after{transform:rotate(45deg)}details p{color:var(--ink-soft);margin:10px 0 0}.footer{max-width:1120px;color:var(--ink-soft);margin:0 auto;padding:24px 16px 40px;font-size:.88rem}@media (width<=820px){.editor{grid-template-columns:1fr}.preview{height:clamp(260px,46vh,460px)}.swatches{grid-template-columns:repeat(8,minmax(0,56px));gap:8px}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}@media (pointer:coarse){body{-webkit-tap-highlight-color:transparent}.drop-hint{display:none}.lang select{font-size:16px}.ratios button,.formats label{min-height:44px}}.footer a,.legal a{color:var(--ink);-webkit-text-decoration-color:var(--accent);text-decoration-color:var(--accent);text-underline-offset:3px;text-decoration-thickness:2px}.footer a:hover,.legal a:hover{color:var(--accent)}.legal h1{font-family:var(--font-display);letter-spacing:-.035em;margin:0 0 8px;font-size:clamp(2.2rem,1.4rem + 3vw,3.4rem);font-weight:800;line-height:1.05}.legal .updated{color:var(--ink-soft);margin:0 0 28px;font-size:.9rem}.legal h2{margin:40px 0 10px;font-size:clamp(1.25rem,1rem + .8vw,1.6rem)}.legal:lang(ko){word-break:keep-all}