*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:1rem}body{margin:0;background:#f5f4ef;color:#24221e;font:17px/1.55 system-ui,sans-serif}a{color:#244f79;text-underline-offset:3px}button{font:inherit;cursor:pointer;padding:.4rem .75rem;border:1px solid #888;border-radius:4px;background:#fff;color:#222}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #215c9a;outline-offset:3px}header,main,footer{max-width:1280px;margin:auto;padding:1rem 1.25rem}header{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;border-bottom:1px solid #d5d2c9}header>a{font-weight:700}nav{display:flex;gap:1rem;flex-wrap:wrap}h1{font-size:clamp(1.8rem,5vw,2.7rem);line-height:1.15;margin:1rem 0}h2{font-size:1.2rem;margin:0 0 .35rem}p{margin:.4rem 0 1rem}.note{color:#625e55;font-size:.95rem}.numbers{margin:1.25rem 0;gap:.5rem}.numbers a{display:inline-block;border:1px solid #b7b1a5;background:#fff;border-radius:4px;padding:.35rem .7rem;text-decoration:none}details{margin:1rem 0 1.5rem}summary{cursor:pointer}.reference{max-width:100%;height:auto;display:block;margin-top:.75rem}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.25rem;align-items:start}article{min-width:0;background:#fff;border:1px solid #d3cfc5;padding:1rem;border-radius:5px;scroll-margin-top:1rem}article p{font-size:.95rem;min-height:3em}article .preview{display:block}article img{width:100%;height:auto;display:block;border:1px solid #4f463a}.links{display:flex;gap:.7rem;align-items:center;flex-wrap:wrap;margin-top:.75rem;font-size:.9rem}.links button{font-size:.9rem}#video{margin-top:2rem;padding-top:1.5rem;border-top:1px solid #ccc}video{display:block;width:100%;max-width:1050px;height:auto;margin:.8rem 0;background:#111}footer{display:flex;gap:1.25rem;flex-wrap:wrap;border-top:1px solid #d5d2c9;margin-top:2rem}dialog{width:min(1600px,calc(100vw - 1rem));max-width:none;max-height:calc(100dvh - 1rem);padding:1rem;border:1px solid #aaa;background:#f8f7f2;color:#222;border-radius:5px;overflow:auto}dialog::backdrop{background:#000c}.viewer-top{display:flex;align-items:center;justify-content:space-between;gap:1rem}.viewer-top h2{font-size:1.05rem;margin:0}.viewer-top button{font-size:.9rem;white-space:nowrap}#viewer-image{display:block;width:100%;height:auto;max-height:calc(100dvh - 12rem);object-fit:contain;background:#111;margin:.75rem 0}.viewer-controls{display:flex;justify-content:space-between;align-items:center;gap:.5rem}dialog p{font-size:.9rem;margin:.8rem 0 0}body.modal-open{overflow:hidden}@media(max-width:760px){header,main,footer{padding:1rem}.grid{grid-template-columns:1fr}article p{min-height:0}nav{gap:.6rem 1rem}article{padding:.75rem}.viewer-top{gap:.4rem}dialog{padding:.65rem}.viewer-top h2{font-size:.95rem}.viewer-controls button{font-size:.9rem}.links{gap:.6rem}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}