:root{--ink:#14213d;--paper:#fbfaf6;--accent:#fca311;--blue:#2b6cb0;--mute:#4a5568;--line:#d9dde5;--soft:#eef3fa;--radius:14px;--sans:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--serif:Georgia,"Iowan Old Style",serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:#1a202c;font:18px/1.6 var(--sans)}
a{color:var(--blue)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:.5rem 1rem;z-index:9}.skip:focus{left:8px}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{max-width:1040px;margin:0 auto;padding:0 1.1rem}
.site-head{background:var(--ink);color:#fff}.bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.5rem;padding:.6rem 1.1rem}
.brand{display:flex;align-items:center;gap:.5rem;color:#fff;text-decoration:none;font-weight:700}
.head-nav{display:flex;flex-wrap:wrap;gap:.9rem}.head-nav a{color:#e5e5e5;text-decoration:none;font-size:.95rem}.head-nav a:hover{color:var(--accent)}
.crumbs{font-size:.9rem;color:var(--mute);margin:1rem 0 0}
h1,h2,h3{font-family:var(--serif);color:var(--ink);line-height:1.2}h1{font-size:clamp(2rem,5vw,3rem);margin:.3rem 0}h2{font-size:1.7rem;margin-top:2.4rem}
.hero{display:grid;gap:1.5rem;align-items:center;padding:1rem 0}@media(min-width:780px){.hero{grid-template-columns:1.1fr 1fr}}
.hero svg,.art svg{width:100%;height:auto;border-radius:var(--radius)}
.tagline{font-size:1.3rem;color:var(--blue);font-weight:600;margin:.2rem 0 .8rem}
.prose{max-width:70ch}
.btn{display:inline-block;background:var(--accent);color:var(--ink);font-weight:700;padding:.7rem 1.1rem;border-radius:999px;text-decoration:none;border:0;cursor:pointer;font-size:1rem}
.btn.alt{background:var(--soft)}
.cards{list-style:none;padding:0;display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem;position:relative}
.card svg{width:72px;height:72px}.card h3{margin:.4rem 0}.card.soon{opacity:.85;background:#f6f6f2}
.tag{position:absolute;top:.8rem;right:.8rem;font-size:.75rem;font-weight:700;padding:.15rem .55rem;border-radius:999px;background:#e2e8f0}.tag.on{background:#c6f6d5}
.callout{background:var(--soft);border-left:5px solid var(--blue);border-radius:8px;padding:.8rem 1rem;margin:1rem 0;max-width:70ch}
.callout.tip{border-color:var(--accent);background:#fff7e6}
.law{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1rem 1.2rem;margin:1rem 0}
.law .kicker{font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);font-weight:700}
.eq{font-family:var(--serif);font-size:1.25rem;background:#fff;border:1px dashed var(--line);display:inline-block;padding:.3rem .8rem;border-radius:8px}
.toc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:.8rem 1.1rem}.toc ol{columns:2;margin:.3rem 0}
.exp{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1rem 1.2rem}
.tool{background:#fff;border:2px solid var(--ink);border-radius:var(--radius);padding:1rem 1.2rem;max-width:720px}
.tool label{display:block;font-weight:600;margin-top:.6rem}.tool input[type=range]{width:100%}
.readout{font-size:1.3rem;font-family:var(--serif);margin:.6rem 0}
.quiz fieldset{border:1px solid var(--line);border-radius:10px;margin:.8rem 0;padding:.6rem 1rem;background:#fff}
.quiz legend{font-weight:700;padding:0 .3rem}.quiz label{display:block;padding:.15rem 0}
.fb{font-weight:600}.fb.ok{color:#276749}.fb.no{color:#9b2c2c}
table{border-collapse:collapse;width:100%;max-width:720px;background:#fff}th,td{border:1px solid var(--line);padding:.45rem .6rem;text-align:left}th{background:var(--soft)}
.pager{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.5rem;border-top:1px solid var(--line);margin-top:2.5rem;padding-top:1rem}
.site-foot{background:var(--ink);color:#e5e5e5;margin-top:3rem;padding:1.4rem 0;font-size:.95rem}.site-foot a{color:var(--accent)}
.jugami-more{margin-top:.8rem}
@media(max-width:600px){.toc ol{columns:1}}