:root{color-scheme:only light;--bg:#f7f7f4;--surface:#fff;--text:#171717;--muted:#666;--line:#d9d9d4;--accent:#2563eb;--accent-soft:#dbeafe;--font:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,system-ui,sans-serif;--measure:720px}
[data-theme=light]{color-scheme:only light;--bg:#f7f7f4;--surface:#fff;--text:#171717;--muted:#666;--line:#d9d9d4;--accent:#2563eb;--accent-soft:#dbeafe}
[data-theme=dark]{color-scheme:dark;--bg:#111210;--surface:#191a18;--text:#f2f2ed;--muted:#a8aaa2;--line:#343630;--accent:#7db1ff;--accent-soft:#172a46}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:17px;line-height:1.7;letter-spacing:-.01em;word-break:keep-all;overflow-wrap:normal}a{color:inherit}button{font:inherit}.skip{position:fixed;left:1rem;top:-5rem;z-index:20;background:var(--text);color:var(--bg);padding:.5rem 1rem}.skip:focus{top:1rem}.site-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:1.5rem;padding:1rem max(1.25rem,calc((100vw - 1120px)/2));background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.brand{display:grid;place-items:center;width:5rem;height:5rem;flex:0 0 auto;border-radius:20px;background:var(--bg);text-decoration:none;transition:background .2s ease,transform .2s ease}.brand:hover{transform:translateY(-1px)}.brand:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.brand img{display:block;width:4.6rem;height:4.76rem;object-fit:contain}.site-header nav{display:flex;gap:1rem;margin-left:auto}.site-header nav a{text-decoration:none;color:var(--muted)}.icon-button{border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--text);width:2.5rem;height:2.5rem}main>section{max-width:var(--measure);margin:0 auto;padding:7rem 1.25rem;border-bottom:1px solid var(--line)}main>.wide{max-width:1120px}.measure{max-width:var(--measure)}.hero{padding-top:10rem}h1,h2,h3{line-height:1.2;letter-spacing:-.04em}h1{font-size:clamp(2.6rem,7vw,5.8rem);max-width:1050px;margin:.5rem 0 2rem}.hero{max-width:1120px}.hero h1 span{color:var(--accent)}h2{font-size:clamp(2rem,4vw,3.5rem);margin:.4rem 0 1.25rem}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;font-weight:800;color:var(--accent)}.lede{font-size:1.25rem;max-width:650px}.thesis{font-size:1.35rem;font-weight:700;max-width:760px}.affiliation,.muted{color:var(--muted)}.badges,.pills{display:flex;flex-wrap:wrap;gap:.65rem;margin-top:2rem}.badges span,.pills span{padding:.45rem .8rem;border:1px solid var(--line);border-radius:999px;background:var(--surface)}.topic-list{display:grid;grid-template-columns:1fr 1fr;gap:.6rem;padding:0;list-style:none}.topic-list li,.notice{padding:1rem;border-left:3px solid var(--accent);background:var(--surface)}.large{font-size:1.35rem}.sim-tabs{display:flex;gap:.65rem;overflow-x:auto;padding:1rem 0;scrollbar-width:thin}.sim-tab{flex:1 0 150px;min-width:96px;text-align:left;padding:.85rem;border:1px solid var(--line);border-radius:14px;background:var(--surface);color:var(--text)}.sim-tab[aria-selected=true]{border-color:var(--accent);background:var(--accent-soft)}.sim-stage{position:relative;min-height:640px;border:1px solid var(--line);border-radius:22px;overflow:hidden;background:var(--surface)}.sim-stage img{width:100%;height:640px;object-fit:cover;display:block}.sim-overlay{position:absolute;inset:auto 0 0;padding:5rem 1.25rem 1.25rem;background:linear-gradient(transparent,rgba(0,0,0,.88));color:#fff}.sim-actions{display:flex;flex-wrap:wrap;gap:.75rem}.button{display:inline-flex;align-items:center;justify-content:center;padding:.7rem 1rem;border:0;border-radius:999px;background:var(--accent);color:#fff;text-decoration:none;cursor:pointer}.button.secondary{background:#fff;color:#111}.embed-exit{position:sticky;top:72px;z-index:3;width:100%;border:0;padding:.75rem;background:#111;color:#fff}.sim-frame{width:100%;height:640px;border:0}details{padding:1.1rem 0;border-top:1px solid var(--line)}summary{cursor:pointer;display:flex;gap:1rem;align-items:baseline}summary b{font-size:1.2rem}summary span{color:var(--muted)}summary em{margin-left:auto;color:var(--accent)}.evidence img{max-width:100%;border-radius:14px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.grid article{padding:1.2rem;background:var(--surface);border:1px solid var(--line);border-radius:16px}.steps{list-style:none;padding:0;counter-reset:step}.steps li{position:relative;padding:1.4rem 0 1.4rem 4rem;border-top:1px solid var(--line);counter-increment:step}.steps li:before{content:counter(step,decimal-leading-zero);position:absolute;left:0;color:var(--accent);font-weight:800}.contact-card{display:grid;grid-template-columns:1fr 180px;gap:2rem;padding:2rem;border-radius:22px;background:var(--surface);border:1px solid var(--line)}.contact-card a{overflow-wrap:anywhere}.contact-card img{width:180px;height:180px;object-fit:contain}footer{max-width:1120px;margin:auto;padding:2rem 1.25rem;display:flex;justify-content:space-between}.error-page{max-width:720px;margin:15vh auto;padding:2rem}
@media(max-width:700px){body{font-size:16px}.site-header nav{display:none}main>section{padding:5rem 1rem}.hero{padding-top:7rem}.topic-list,.grid{grid-template-columns:1fr}.sim-stage,.sim-stage img{min-height:420px;height:420px}.contact-card{grid-template-columns:1fr}.contact-card img{width:160px;height:160px}summary{align-items:flex-start;flex-direction:column;gap:.25rem}summary em{margin:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
.sim-tab img{display:block;width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:9px;margin-bottom:.6rem}.sim-tab span{display:block}.sim-stage.is-active{overflow:visible;border:0;background:transparent}.sim-viewport{overflow:hidden;border:1px solid var(--line);border-radius:0 0 22px 22px}.sim-frame{display:block}
@media(max-width:700px){.site-header,main,footer{width:100%;max-width:100vw}main>section{width:100%;max-width:100vw;min-width:0}h1,h2,h3,p,li,summary span{max-width:100%}h1{font-size:1.85rem}.hero h1 span{display:block}.badges{display:grid;grid-template-columns:minmax(0,1fr)}.badges span{min-width:0;max-width:100%;white-space:normal}.contact-card,.grid,.topic-list{min-width:0}.contact-card>*{min-width:0}}
.accordion-hint{color:var(--muted);font-size:.95rem;margin:0 0 1rem}.accordion-section summary{position:relative;list-style:none;padding-right:2.4rem}.accordion-section summary::-webkit-details-marker{display:none}.accordion-section summary:after{content:"＋";position:absolute;right:.25rem;top:50%;translate:0 -50%;width:1.65rem;height:1.65rem;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;color:var(--accent);font-size:1.05rem;font-weight:700;line-height:1;transition:background .2s ease}.accordion-section details[open] summary:after{content:"−";background:var(--accent-soft)}.career-reveal{display:grid;grid-template-rows:0fr;opacity:0;translate:0 1.5rem;transition:grid-template-rows .8s cubic-bezier(.2,.8,.2,1),opacity .55s ease,translate .65s ease}.career-reveal.is-visible{grid-template-rows:1fr;opacity:1;translate:0}.career-table{width:100%;min-height:0;border-collapse:collapse;overflow:hidden}.career-table tr{border-top:1px solid var(--line)}.career-table tr:last-child{border-bottom:1px solid var(--line)}.career-table th,.career-table td{padding:1.15rem .5rem;text-align:left;vertical-align:top}.career-table th{width:30%;color:var(--accent);font-size:.95rem;white-space:nowrap}.copy-email{font-size:1.12rem;font-weight:700;text-decoration-thickness:1px;text-underline-offset:.25rem;cursor:copy}.email-help{margin:.35rem 0 1.5rem;color:var(--muted);font-size:.9rem}.toast{position:fixed;left:50%;bottom:1.5rem;z-index:30;translate:-50% 1rem;max-width:calc(100vw - 2rem);padding:.75rem 1rem;border-radius:999px;background:var(--text);color:var(--bg);box-shadow:0 10px 30px rgba(0,0,0,.2);opacity:0;pointer-events:none;transition:opacity .2s ease,translate .2s ease}.toast.is-visible{opacity:1;translate:-50% 0}
@media(max-width:700px){.career-table th{width:34%;white-space:normal}.career-table th,.career-table td{padding:.9rem .35rem}.toast{width:max-content;text-align:center}}
@media(prefers-reduced-motion:reduce){.career-reveal{grid-template-rows:1fr;opacity:1;translate:0}}
.brand{width:3.75rem;height:3.75rem;border-radius:15px}.brand img{width:3.45rem;height:3.57rem}
@media(min-width:701px){main>section{max-width:1120px}}
@media(max-width:700px){.site-header{gap:.75rem}.site-header nav{display:flex!important;order:2;margin-left:auto;flex:0 0 auto}.site-header .icon-button{display:inline-grid!important;place-items:center;order:3;flex:0 0 2.5rem}.brand{order:1;width:2.5rem;height:2.5rem;border-radius:10px}.brand img{width:2.3rem;height:2.38rem}}