@import"https://fonts.googleapis.com/css2?family=Nanum+Pen+Script&family=Noto+Sans+KR:wght@400;500;700;900&display=swap";:root{--paper: #FCFCF9;--paper-2: #ffffff;--grid: #D9E4F0;--grid-bold: #C3D4E8;--graphite: #2A2D33;--soft: #6B7280;--pencil: #B9BEC7;--hairline: #E5E7EB;--ink: #1D4F9C;--red: #C8102E;--hl: #FFF3A3;--E: #2F855A;--M: #1D4F9C;--H: #7C3AED;--U: #C8102E;--learned: #2F855A;--current: #D97706;--upcoming: #B9BEC7;--grid-size: 28px;--radius: 4px;--wrap: 1080px}*{box-sizing:border-box}html{scroll-behavior:smooth}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{margin:0;color:var(--graphite);font-family:Noto Sans KR,-apple-system,Malgun Gothic,sans-serif;font-size:15.5px;line-height:1.7;background:linear-gradient(var(--grid) 1px,transparent 1px) 0 0 / 100% var(--grid-size),linear-gradient(90deg,var(--grid) 1px,transparent 1px) 0 0 / var(--grid-size) 100%,var(--paper);-webkit-font-smoothing:antialiased}.hand{font-family:Nanum Pen 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var(--pencil);border-radius:999px;background:#fff;text-decoration:none;color:var(--graphite);white-space:nowrap}.chip:hover{border-color:var(--ink);color:var(--ink)}.chip.E{border-color:var(--E);color:var(--E)}.chip.M{border-color:var(--M);color:var(--M)}.chip.H{border-color:var(--H);color:var(--H)}.chip.U{border-color:var(--U);color:var(--U)}.dot{display:inline-block;width:9px;height:9px;border-radius:50%;vertical-align:-1px;margin-right:5px}.dot.learned{background:var(--learned)}.dot.current{background:var(--current);box-shadow:0 0 0 3px #d9770638}.dot.upcoming{background:var(--upcoming)}.pill{display:inline-block;font-size:11.5px;font-weight:700;padding:2px 8px;border-radius:3px;letter-spacing:.2px}.pill.learned{background:#e7f3ec;color:var(--learned)}.pill.current{background:#fef0dc;color:#b45309}.pill.upcoming{background:#f3f4f6;color:var(--soft)}button,.btn{font:inherit;font-size:14px;padding:8px 14px;border:1.5px solid 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12px;display:flex;gap:8px;align-items:baseline;flex-wrap:wrap}details.c>summary .nm{font-weight:700}details.c>summary .df{color:var(--soft);font-size:13.5px}details.c[open]{border-left-color:var(--ink);background:#fff}details.c.hit>summary .nm{background:var(--hl)}summary{cursor:pointer;list-style:none}summary::-webkit-details-marker{display:none}summary:before{content:"▸";display:inline-block;width:14px;color:var(--soft);transition:transform .15s}details[open]>summary:before{transform:rotate(90deg)}@media(prefers-reduced-motion:reduce){summary:before{transition:none}}summary:focus-visible{outline:2px solid var(--red);outline-offset:-2px}.cbody{padding:8px 14px 14px 26px;font-size:14.5px}.cbody dt{font-weight:700;font-size:12.5px;color:var(--soft);margin-top:9px}.cbody dd{margin:2px 0 0}.list{list-style:none;padding:0;margin:0}.list li{border-bottom:1px solid var(--hairline);padding:12px 0}.list li:last-child{border-bottom:0}.lock{border:2px dashed var(--pencil);border-radius:var(--radius);padding:18px;background:#fff;text-align:center}#toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%);background:var(--graphite);color:#fff;padding:10px 18px;border-radius:999px;font-size:14px;z-index:200;opacity:0;pointer-events:none;transition:opacity .2s}#toast.on{opacity:1}.site-foot{margin-top:70px;border-top:2px solid var(--graphite);padding:22px 0 60px;font-size:13px;color:var(--soft)}@media(max-width:640px){body{font-size:15px}.nav a{padding:4px 8px;font-size:13px}h2{font-size:20px;margin-top:34px}}.eng-term{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;font-size:14px;font-style:italic;color:var(--ink);background:#eef3fa;border:1px solid #D3E0F0;border-radius:3px;padding:1px 7px;white-space:nowrap;font-weight:500}.eng-term.sm{font-size:12px;padding:0 5px;font-weight:400}.nav-home{font-size:13px;padding:5px 11px;border-radius:var(--radius);text-decoration:none;color:var(--soft);font-weight:500;border:1.5px solid var(--pencil);background:#fff;margin-left:8px}.nav-home:hover{background:var(--graphite);color:#fff;border-color:var(--graphite)}.subj-grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(268px,1fr))}.subj-card{display:flex;flex-direction:column;gap:6px;background:#fff;border:1px solid var(--hairline);border-left:7px solid var(--sc, var(--ink));border-radius:var(--radius);padding:16px 18px;text-decoration:none;color:inherit;transition:transform .12s,box-shadow .12s}.subj-card:hover{color:inherit;transform:translateY(-2px);box-shadow:0 1px 0 var(--hairline),4px 6px #2a2d3312}@media(prefers-reduced-motion:reduce){.subj-card{transition:none}}.subj-card .top{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}.subj-card .nm{font-size:20px;font-weight:900;letter-spacing:-.5px}.subj-card .em{font-size:22px;line-height:1}.subj-card .why{font-size:13.5px;color:var(--graphite)}.subj-card .meta{font-size:12px;color:var(--soft);margin-top:auto;padding-top:8px}.subj-card dl{margin:6px 0 0;font-size:12.5px}.subj-card dt{color:var(--soft);font-weight:500;float:left;clear:left;width:46px}.subj-card dd{margin:0 0 3px 52px}