:root{--ink:#1b2430;--muted:#5a6573;--bg:#fbfaf7;--card:#fff;--line:#e3e0d8;--brand:#1f5f4a;--brand-2:#e8f1ed;--warn:#8a4b00;--warn-bg:#fff4e0;--bad:#a32020;--ok:#1f6b33;--radius:10px;--max:72rem}
*{box-sizing:border-box}
html{font-size:100%}
body{margin:0;font:1.0625rem/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand)}a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid #f0a500;outline-offset:2px}
.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;background:#fff;padding:.5rem 1rem;z-index:9}
header.site{background:#fff;border-bottom:1px solid var(--line)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 1.25rem}
.nav{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.5rem;padding:.75rem 1.25rem}
.logo{font-weight:800;text-decoration:none;color:var(--ink);font-size:1.15rem}.logo span{color:var(--brand)}
.nav ul{list-style:none;display:flex;flex-wrap:wrap;gap:1rem;margin:0;padding:0}.nav a{text-decoration:none;font-weight:600}
main{padding:2rem 0 3rem}
h1{font-size:clamp(1.7rem,4vw,2.5rem);line-height:1.2;margin:.25rem 0 1rem}
h2{font-size:1.45rem;margin:2rem 0 .75rem}h3{font-size:1.15rem;margin:1.5rem 0 .5rem}
.lede{font-size:1.2rem;color:var(--muted);max-width:46rem}
.grid{display:grid;gap:1.25rem;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.25rem}
.card h3{margin-top:0}
.price{font-size:1.6rem;font-weight:800}
.btn{display:inline-block;background:var(--brand);color:#fff;text-decoration:none;font-weight:700;padding:.75rem 1.25rem;border-radius:8px;border:0;font-size:1rem;cursor:pointer}
.btn:hover{background:#174a3a}.btn.secondary{background:#fff;color:var(--brand);border:2px solid var(--brand)}
.notice{background:var(--warn-bg);border-left:4px solid var(--warn);padding:.9rem 1rem;border-radius:6px;margin:1.25rem 0}
.src{font-size:.92rem;color:var(--muted)}
form.calc{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));align-items:end}
form.calc fieldset{grid-column:1/-1;border:1px solid var(--line);border-radius:8px;padding:1rem;display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(14rem,1fr))}
legend{font-weight:700;padding:0 .4rem}
label{display:block;font-weight:600;margin-bottom:.25rem}
.hint{display:block;font-weight:400;font-size:.88rem;color:var(--muted)}
input,select{width:100%;padding:.6rem .7rem;font-size:1rem;border:1px solid #9aa3ad;border-radius:6px;background:#fff;color:var(--ink)}
.result{background:var(--brand-2);border:1px solid #b9d5ca;border-radius:var(--radius);padding:1.25rem;margin-top:1.5rem}
.result .big{font-size:2rem;font-weight:800}
.bad{color:var(--bad);font-weight:700}.ok{color:var(--ok);font-weight:700}
table{border-collapse:collapse;width:100%;background:#fff}th,td{border:1px solid var(--line);padding:.5rem .6rem;text-align:left;vertical-align:top}th{background:#f2f0ea}
.table-wrap{overflow-x:auto}
details{background:#fff;border:1px solid var(--line);border-radius:8px;padding:.75rem 1rem;margin:.5rem 0}summary{font-weight:700;cursor:pointer}
footer.site{border-top:1px solid var(--line);background:#fff;padding:2rem 0;font-size:.92rem;color:var(--muted)}
footer.site ul{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:1rem}
article{max-width:46rem}article p,article li{max-width:46rem}
.crumbs{font-size:.9rem;color:var(--muted)}
.pill{display:inline-block;background:var(--brand-2);color:var(--brand);font-weight:700;font-size:.8rem;padding:.15rem .6rem;border-radius:99px}
@media print{header.site,footer.site,.btn{display:none}}
input.cb{width:auto;margin-right:.4rem}