:root{--bg:#fff;--bg-soft:#f6f7fb;--surface:#fff;--text:#16181d;--text-soft:#5b6070;--text-dim:#868c9c;--line:#e6e8ef;--accent:#4f46e5;--accent-soft:#eef0ff;--accent-text:#4338ca;--shadow:0 1px 2px #14161e0a, 0 8px 24px #14161e0f;--radius:14px;color-scheme:light dark;color:var(--text);background:var(--bg);word-break:keep-all;-webkit-text-size-adjust:100%;font-family:Pretendard,Apple SD Gothic Neo,Malgun Gothic,system-ui,sans-serif;line-height:1.75}@media (prefers-color-scheme:dark){:root{--bg:#0e0f14;--bg-soft:#14161d;--surface:#171922;--text:#eceef4;--text-soft:#a9afc0;--text-dim:#7e8496;--line:#262a36;--accent:#8b8cf7;--accent-soft:#1e2030;--accent-text:#b3b4ff;--shadow:0 1px 2px #0006, 0 10px 30px #00000059}}*{box-sizing:border-box}body{background:var(--bg);margin:0}img{max-width:100%;height:auto}a{color:var(--accent-text);text-underline-offset:3px}.wrap{max-width:1080px;margin:0 auto;padding:0 20px}.wrap-narrow{max-width:760px;margin:0 auto;padding:0 20px}.site-header{z-index:20;background:color-mix(in srgb, var(--bg) 88%, transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;gap:12px;height:60px;display:flex}.logo{color:var(--text);letter-spacing:-.02em;align-items:center;gap:9px;font-size:1.1rem;font-weight:800;text-decoration:none;display:inline-flex}.logo-mark{border-radius:7px;flex:none;width:24px;height:24px;display:block}.site-header nav ul{flex-wrap:wrap;gap:2px;margin:0;padding:0;font-size:.9rem;list-style:none;display:flex}.site-header nav a{color:var(--text-soft);border-radius:999px;padding:6px 10px;text-decoration:none;display:inline-block}.site-header nav a:hover{background:var(--bg-soft);color:var(--text)}main{padding:40px 0 72px}h1,h2,h3{letter-spacing:-.02em}h1{margin:.1em 0 .35em;font-size:clamp(1.7rem,1.2rem + 2vw,2.3rem);line-height:1.3}h2{margin:2.4em 0 .7em;font-size:1.35rem;line-height:1.4}h3{margin:1.8em 0 .5em;font-size:1.08rem}p{margin:0 0 1.1em}.hero{text-align:center;padding:28px 0 8px}.hero .eyebrow{letter-spacing:.14em;color:var(--accent-text);background:var(--accent-soft);border-radius:999px;padding:6px 14px;font-size:.78rem;font-weight:700;display:inline-block}.hero h1{margin-top:18px}.hero p{max-width:600px;color:var(--text-soft);margin:0 auto}.chips{flex-wrap:wrap;justify-content:center;gap:8px;margin:26px 0 8px;padding:0;list-style:none;display:flex}.chip{border:1px solid var(--line);background:var(--surface);color:var(--text-soft);border-radius:999px;align-items:center;gap:6px;padding:8px 15px;font-size:.9rem;text-decoration:none;display:inline-flex}.chip:hover{border-color:var(--accent);color:var(--text)}.chip[aria-current=page]{background:var(--accent);border-color:var(--accent);color:#fff}.chip .count{color:var(--text-dim);font-size:.8rem}.chip[aria-current=page] .count{color:#ffffffbf}.search{max-width:460px;margin:22px auto 0;position:relative}.search input{border:1px solid var(--line);background:var(--surface);width:100%;color:var(--text);font:inherit;box-shadow:var(--shadow);border-radius:999px;padding:13px 18px;font-size:.95rem}.search input::placeholder{color:var(--text-dim)}.search input:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:#0000}.search-empty{text-align:center;color:var(--text-soft);padding:28px 0;display:none}.section-head{justify-content:space-between;align-items:baseline;gap:12px;margin:44px 0 18px;display:flex}.section-head h2{margin:0;font-size:1.15rem}.section-head .more{color:var(--text-soft);font-size:.9rem;text-decoration:none}.cards{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;margin:0;padding:0;list-style:none;display:grid}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);height:100%;color:inherit;flex-direction:column;text-decoration:none;transition:transform .15s,border-color .15s,box-shadow .15s;display:flex;overflow:hidden}.card:hover{border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-2px)}.card-thumb{aspect-ratio:1200/630;object-fit:cover;background:var(--bg-soft);width:100%;display:block}.card-body{flex-direction:column;flex:1;gap:8px;padding:16px 18px 18px;display:flex}.badge{color:var(--accent-text);background:var(--accent-soft);border-radius:999px;align-self:flex-start;padding:4px 10px;font-size:.75rem;font-weight:700}.card-title{margin:0;font-size:1.02rem;font-weight:700;line-height:1.45}.card-desc{color:var(--text-soft);-webkit-line-clamp:3;-webkit-box-orient:vertical;margin:0;font-size:.88rem;line-height:1.6;display:-webkit-box;overflow:hidden}.card-date{color:var(--text-dim);margin-top:auto;padding-top:6px;font-size:.78rem}article{max-width:720px;margin:0 auto}.breadcrumb{color:var(--text-dim);margin-bottom:8px;font-size:.85rem}.breadcrumb a{color:var(--text-soft);text-decoration:none}.breadcrumb a:hover{text-decoration:underline}.post-meta{color:var(--text-dim);margin:0 0 28px;font-size:.85rem}article>p,article li{font-size:1.02rem}article img{border:1px solid var(--line);border-radius:12px;margin:1.6em 0}article ul,article ol{padding-left:1.3em}article li{margin-bottom:.4em}article :is(h2,h3){scroll-margin-top:76px}blockquote{border-left:3px solid var(--accent);color:var(--text-soft);margin:1.5em 0;padding:2px 18px}code{background:var(--bg-soft);border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:.9em}pre{background:var(--bg-soft);border:1px solid var(--line);border-radius:12px;padding:16px 18px;overflow-x:auto}pre code{background:0 0;border:0;padding:0}.summary{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);margin:0 0 26px;padding:20px 22px}.summary strong{letter-spacing:.08em;color:var(--accent-text);margin-bottom:10px;font-size:.82rem;display:block}.summary ul{margin:0;padding-left:1.1em}.summary li{color:var(--text);margin-bottom:6px}.cta{background:var(--accent-soft);border:1px solid color-mix(in srgb, var(--accent) 25%, transparent);border-radius:var(--radius);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;margin:2em 0;padding:18px 22px;display:flex}.cta p{color:var(--text);margin:0;font-size:.95rem}.cta .cta-name{margin-bottom:2px;font-size:1.05rem;font-weight:800;display:block}.cta-button{background:var(--accent);color:#fff;white-space:nowrap;border-radius:999px;padding:12px 22px;font-weight:700;text-decoration:none;display:inline-block}.cta-button:hover{filter:brightness(1.08)}.cta-logo{border-radius:12px;flex:none;width:48px;height:48px}.cta{align-items:center}.promo h2{align-items:center;gap:10px;display:flex}.promo-logo{border-radius:10px;width:40px;height:40px}.footer-operator{align-items:center;gap:10px;display:flex}.footer-operator img{border-radius:7px}.table-scroll{margin:1.4em 0;overflow-x:auto}table{border-collapse:collapse;background:var(--surface);border:1px solid var(--line);border-radius:12px;width:100%;font-size:.92rem;overflow:hidden}th,td{border-bottom:1px solid var(--line);text-align:left;vertical-align:top;min-width:7em;padding:11px 14px}th{background:var(--bg-soft);white-space:nowrap;font-weight:700}tr:last-child td{border-bottom:0}.faq{margin-top:2.6em}.faq details{border:1px solid var(--line);background:var(--surface);border-radius:12px;margin-bottom:10px;padding:14px 18px}.faq details[open]{border-color:var(--accent)}.faq summary{cursor:pointer;font-weight:700;list-style:none}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";float:right;color:var(--accent);font-weight:700}.faq details[open] summary:after{content:"−"}.faq p{color:var(--text-soft);margin:10px 0 0}.site-footer{border-top:1px solid var(--line);background:var(--bg-soft);color:var(--text-soft);padding:32px 0 40px;font-size:.86rem}.site-footer p{margin:0 0 8px}.site-footer a{color:var(--text-soft)}.tool-cards .card-body{padding:22px}.tool-card.is-soon{opacity:.6}.tool-page{max-width:760px}.tool-lead{color:var(--text-soft);margin-bottom:26px;font-size:1.04rem}.tool{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);margin-bottom:30px;padding:22px}.drop{border:2px dashed var(--line);background:var(--bg-soft);text-align:center;cursor:pointer;border-radius:12px;padding:34px 20px}.drop.is-over{border-color:var(--accent);background:var(--accent-soft)}.drop-title{margin:0 0 6px;font-weight:700}.drop-sub{color:var(--text-dim);margin:0 0 12px;font-size:.85rem}.drop-note{color:var(--text-dim);margin:14px 0 0;font-size:.8rem}.tool-panel{margin-top:20px}.file-info{word-break:break-all;margin:0 0 14px;font-size:.92rem;font-weight:700}.levels{border:0;gap:8px;margin:0 0 12px;padding:0;display:grid}.levels legend{color:var(--text-soft);padding:0 0 8px;font-size:.85rem}.levels label{border:1px solid var(--line);cursor:pointer;border-radius:10px;align-items:center;gap:10px;padding:11px 14px;font-size:.93rem;display:flex}.levels label:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}.levels b{margin-right:4px}.check{color:var(--text-soft);align-items:center;gap:8px;margin-bottom:18px;font-size:.9rem;display:flex}.cta-button.block{text-align:center;cursor:pointer;border:0;width:100%;font-family:inherit;font-size:1rem;display:block}.ghost-button{border:1px solid var(--line);color:var(--text-soft);font:inherit;cursor:pointer;background:0 0;border-radius:999px;padding:12px 20px}.ghost-button:hover{border-color:var(--accent);color:var(--text)}.progress{margin-top:16px}.progress-bar{background:var(--bg-soft);border-radius:999px;height:8px;overflow:hidden}.progress-bar span{background:var(--accent);width:0;height:100%;transition:width .2s;display:block}.progress-text{color:var(--text-soft);text-align:center;margin:8px 0 0;font-size:.85rem}.result{border-top:1px solid var(--line);text-align:center;margin-top:20px;padding-top:20px}.result-head{margin:0 0 4px;font-weight:800}.result-size{margin:0 0 16px;font-size:1.05rem}.result-actions{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.tool-error{color:#b3123c;background:#e11d481f;border-radius:10px;margin:16px 0 0;padding:12px 14px;font-size:.9rem}@media (prefers-color-scheme:dark){.tool-error{color:#ff8fab}}.selects{gap:12px;margin-bottom:18px;display:grid}.selects label{color:var(--text-soft);gap:6px;font-size:.85rem;display:grid}.selects select{border:1px solid var(--line);background:var(--surface);color:var(--text);font:inherit;border-radius:10px;padding:11px 14px;font-size:.93rem}.file-list{text-align:left;gap:8px;max-height:320px;margin:0 0 18px;padding:0;list-style:none;display:grid;overflow-y:auto}.file-list li{border:1px solid var(--line);border-radius:10px;grid-template-columns:1fr auto;align-items:center;gap:4px 12px;padding:10px 14px;font-size:.88rem;display:grid}.file-name{word-break:break-all;font-weight:700}.file-change{color:var(--text-soft);grid-column:1;font-size:.84rem}.file-save{color:var(--accent-text);grid-area:1/2/span 2;font-weight:700;text-decoration:none}.tool-license{color:var(--text-dim);border-top:1px solid var(--line);margin-top:34px;padding-top:16px;font-size:.8rem}.mosaic-toolbar{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:14px;display:flex}.seg{border:1px solid var(--line);border-radius:999px;display:inline-flex;overflow:hidden}.seg-btn{background:var(--surface);font:inherit;color:var(--text-soft);cursor:pointer;border:0;padding:9px 16px;font-size:.9rem}.seg-btn.is-on{background:var(--accent);color:#fff;font-weight:700}.range{color:var(--text-soft);align-items:center;gap:8px;font-size:.86rem;display:inline-flex}.range input{width:110px}.toolbar-actions{gap:8px;margin-left:auto;display:flex}.ghost-button.small{padding:8px 14px;font-size:.86rem}.canvas-wrap{border:1px solid var(--line);background:var(--bg-soft);border-radius:10px;max-width:100%;line-height:0;display:inline-block;position:relative;overflow:hidden}.canvas-wrap canvas{touch-action:none;cursor:crosshair;max-width:100%;height:auto;display:block}.sel{border:2px dashed var(--accent);background:color-mix(in srgb, var(--accent) 18%, transparent);pointer-events:none;position:absolute}.canvas-hint{color:var(--text-dim);margin:10px 0 18px;font-size:.83rem}.promo{border:1px solid color-mix(in srgb, var(--accent) 30%, transparent);background:var(--accent-soft);border-radius:var(--radius);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:18px;margin:32px 0;padding:24px;display:flex}.promo-body{flex:320px}.promo h2{margin:0 0 10px;font-size:1.15rem}.promo ul{color:var(--text);margin:0;padding-left:1.1em;font-size:.93rem}.promo li{margin-bottom:4px}.promo-note{color:var(--text-soft);margin:12px 0 0;font-size:.82rem}@media (width<=640px){article table{display:block;overflow-x:auto}.promo{flex-direction:column;align-items:stretch}.promo .cta-button{text-align:center}.header-inner{flex-direction:column;align-items:flex-start;gap:10px;height:auto;padding-block:12px 10px}.logo{gap:11px;font-size:1.05rem}.logo-mark{border-radius:8px;width:26px;height:26px}.site-header nav ul{margin-left:-10px;font-size:.85rem}main{padding:28px 0 56px}.cards{grid-template-columns:1fr;gap:16px}.cta{text-align:left;flex-direction:column;align-items:stretch}.cta-button{text-align:center}}.sr-only,.skip-link{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link:focus{clip:auto;z-index:50;background:var(--accent);color:#fff;border-radius:999px;width:auto;height:auto;padding:10px 16px;position:fixed;top:10px;left:10px}
