:root{--bg:#faf9fc;--surface:#ffffff;--ink:#1f1d2b;--ink-2:#5f5b73;--line:#e6e3ee;--accent:#5e55a2;--accent-2:#434fa0;--brand-start:#7b5ba4;--accent-ink:#ffffff;--badge:#efecf6;--radius:16px;--radius-pill:999px;--max:1080px;--fs-display:32px;--fs-h1:26px;--fs-h2:20px;--fs-body:15px;--fs-caption:13px;--fs-eyebrow:12px;--card-pad:20px;--card-pad-mobile:16px;--tag-lang-bg:#ece7fb;--tag-lang-fg:#4b3f8f;--tag-math-bg:#dff5ee;--tag-math-fg:#1f6b52;--tag-eng-bg:#ffe9d6;--tag-eng-fg:#8a4b12;--tag-art-bg:#fde4ec;--tag-art-fg:#8a2d52;--tag-etc-bg:#eeeef2;--tag-etc-fg:#4a4a57;--delta-low:#1f6b52;--delta-mid:#5f5b73;--delta-high:#8a4b12;font-family:Pretendard Variable,Pretendard,-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,Noto Sans KR,system-ui,sans-serif}@media (prefers-color-scheme:dark){:root{--bg:#15131f;--surface:#1e1b2b;--ink:#ecebf3;--ink-2:#a9a4bf;--line:#2e2a3f;--accent:#b3a9ea;--accent-2:#8f8ad8;--brand-start:#a98acb;--accent-ink:#15131f;--badge:#2a2640;--tag-lang-bg:#3d3a4a;--tag-lang-fg:#aea9cd;--tag-math-bg:#3b3c48;--tag-math-fg:#9abcb1;--tag-eng-bg:#403a45;--tag-eng-fg:#caae94;--tag-art-bg:#3f3948;--tag-art-fg:#caa1b1;--tag-etc-bg:#3d3b49;--tag-etc-fg:#aeaeb3;--delta-low:#9abcb1;--delta-mid:#b7b5c0;--delta-high:#caae94}}*{box-sizing:border-box}body,html{margin:0;background:var(--bg);color:var(--ink);line-height:1.5;font-size:var(--fs-body)}a{color:inherit;text-decoration:none}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.container{max-width:var(--max);margin:0 auto;padding:0 16px}.eyebrow{font-size:var(--fs-eyebrow);font-weight:700;letter-spacing:.04em;color:var(--accent);margin:0 0 6px}.site-header{border-bottom:1px solid var(--line);background:var(--surface)}.site-header .container{display:flex;align-items:baseline;gap:12px;height:56px;align-items:center}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:18px}.brand img{height:26px;width:auto;display:block}.muted{color:var(--ink-2)}.badge{display:inline-block;padding:2px 10px;border-radius:var(--radius-pill);background:var(--badge);font-size:var(--fs-caption)}.badge.tone-lang{background:var(--tag-lang-bg);color:var(--tag-lang-fg)}.badge.tone-math{background:var(--tag-math-bg);color:var(--tag-math-fg)}.badge.tone-eng{background:var(--tag-eng-bg);color:var(--tag-eng-fg)}.badge.tone-art{background:var(--tag-art-bg);color:var(--tag-art-fg)}.badge.tone-etc{background:var(--tag-etc-bg);color:var(--tag-etc-fg)}.delta-low{color:var(--delta-low)}.delta-mid{color:var(--delta-mid)}.delta-high{color:var(--delta-high)}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:var(--card-pad-mobile)}@media 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(min-width:768px){details.filters{padding:var(--card-pad)}details.filters>summary{display:none}}@media (max-width:640px){table.courses thead{display:none}table.courses tr{display:block;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:10px;padding:8px 12px}table.courses td{display:flex;justify-content:space-between;gap:8px;border:0;padding:4px 0}table.courses td:before{content:attr(data-label);color:var(--ink-2)}}.search-box{display:grid;grid-gap:12px;gap:12px;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));align-items:end;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:var(--card-pad-mobile)}@media (min-width:768px){.search-box{padding:var(--card-pad);grid-template-columns:1fr 1fr 1.4fr auto}}.search-box label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--ink-2)}.search-box input,.search-box select{padding:10px;border:1px solid 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