:root{--ep-bg:#090b0e;--ep-panel:#11151b;--ep-text:#f1f3f6;--ep-muted:#adb5c2;--ep-line:#303640;--ep-accent:#00d4ff;font-family:'Noto Sans KR',sans-serif;color-scheme:dark}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--ep-bg);color:var(--ep-text);font-size:16px;line-height:1.85;word-break:keep-all;overflow-wrap:anywhere}a{color:inherit;text-underline-offset:5px}button,summary{font:inherit}button{cursor:pointer}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--ep-accent);outline-offset:5px}.ep-LINE{--ep-bg:#f4f1ec;--ep-panel:#ece7df;--ep-text:#1c1a17;--ep-muted:#57524a;--ep-line:#c8c0b6;--ep-accent:#ae2a20;color-scheme:light}.ep-threads{--ep-accent:#ad9eff;--ep-bg:#0a0a0b;--ep-panel:#141417}.ep-main{background-image:linear-gradient(#161b2140 1px,transparent 1px),linear-gradient(90deg,#161b2140 1px,transparent 1px);background-size:60px 60px}.ep-skip{position:fixed;left:16px;top:-100px;z-index:100;background:var(--ep-panel);padding:12px}.ep-skip:focus{top:8px}.ep-nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px max(20px,calc((100% - 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1160px)/2));font-size:14px;color:var(--ep-muted)}.ep-footer a{min-height:44px;display:inline-flex;align-items:center}.ep-lightbox{border:1px solid var(--ep-line);border-radius:16px;background:var(--ep-bg);color:var(--ep-text);width:min(1200px,calc(100% - 24px));max-height:92dvh;padding:20px}.ep-lightbox::backdrop{background:#000d}.ep-close{display:block;margin:0 0 16px auto;min-height:44px;padding:8px 16px;border:1px solid var(--ep-line);border-radius:8px;background:var(--ep-panel);color:inherit}.ep-large img{display:block;max-width:100%;width:auto;height:auto;margin:auto}.ep-lightbox-caption{font-size:14px;margin-bottom:0}.ep-image-error{padding:16px;color:var(--ep-text);font-size:14px}.ep-image-error a{display:inline-flex;min-height:44px;align-items:center}
@media(max-width:1000px){.ep-grid{grid-template-columns:1fr}.ep-hero{gap:28px}.ep-project{gap:24px;padding:24px}.ep-card{padding:24px}.ep-page h1{font-size:clamp(32px,5vw,48px)}}
@media(max-width:880px){.ep-desktop{display:none}.ep-mobile{display:block;position:relative}.ep-mobile summary{list-style:none;cursor:pointer;min-height:44px;padding:8px 16px;border:1px solid var(--ep-line);border-radius:8px}.ep-mobile nav{position:absolute;right:0;top:52px;background:var(--ep-bg);border:1px solid var(--ep-line);border-radius:12px;padding:12px;min-width:210px;display:grid;z-index:60}.ep-mobile nav a{min-height:44px;padding:8px 12px;text-decoration:none}.ep-hero{grid-template-columns:1fr;padding:52px 0 40px}.ep-overview{padding:24px}.ep-stack{grid-template-columns:1fr}.ep-flow{grid-template-columns:repeat(2,minmax(0,1fr))}.ep-about{grid-template-columns:1fr}.ep-about>.ep-figure{max-width:350px}.ep-project{grid-template-columns:1fr}.ep-evidence{grid-template-columns:1fr}.ep-wrap{width:calc(100% - 40px)}.ep-section{padding:44px 0}.ep-detail-hero{padding:48px 0 40px}}
@media(max-width:420px){.ep-flow{grid-template-columns:1fr}.ep-project,.ep-card{padding:20px}.ep-intro{font-size:16px}.ep-image img{max-height:420px}.ep-actions a{flex:1 1 140px}.ep-section>h2{font-size:25px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.ep-brand{display:inline-flex;align-items:center;min-height:44px}