:root{--bg: #f7f8f6;--card: #ffffff;--ink: #1c2620;--muted: #5d6b62;--line: #e2e7e1;--brand: #2f7d4f;--brand-dark: #245f3d;--accent: #f0f5ef;--radius: 12px;--shadow: 0 1px 3px rgba(20, 40, 25, .08), 0 6px 20px rgba(20, 40, 25, .04);--max: 880px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}a{color:var(--brand-dark)}.site-header{background:var(--card);border-bottom:1px solid var(--line)}.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:14px;padding-bottom:14px}.brand{font-weight:800;font-size:1.2rem;color:var(--ink);text-decoration:none;letter-spacing:-.02em}.brand span{color:var(--brand)}.nav{display:flex;flex-wrap:wrap;gap:14px;font-size:.92rem}.nav a{color:var(--muted);text-decoration:none}.nav a:hover{color:var(--brand-dark)}.site-footer{margin-top:56px;border-top:1px solid var(--line);background:var(--card);color:var(--muted);font-size:.88rem}.site-footer .container{padding-top:24px;padding-bottom:32px}.footer-nav{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:14px}.footer-nav a{color:var(--brand-dark);text-decoration:none;font-weight:600}.footer-nav a:hover{text-decoration:underline}main{padding-top:28px}h1{font-size:1.9rem;line-height:1.2;letter-spacing:-.02em;margin:0 0 10px}h2{font-size:1.3rem;margin:32px 0 10px;letter-spacing:-.01em}h3{font-size:1.05rem;margin:20px 0 6px}.lead{font-size:1.08rem;color:var(--muted);margin:0 0 8px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}.tool-grid a{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;text-decoration:none;color:var(--ink);transition:border-color .15s,transform .15s}.tool-grid a:hover{border-color:var(--brand);transform:translateY(-2px)}.tool-grid h3{margin:0 0 4px;color:var(--brand-dark)}.tool-grid p{margin:0;color:var(--muted);font-size:.94rem}.calc{display:grid;grid-template-columns:1fr 1fr;gap:16px 20px}.field{display:flex;flex-direction:column;gap:5px}.field.full{grid-column:1 / -1}label{font-weight:600;font-size:.9rem}.hint{font-weight:400;color:var(--muted);font-size:.82rem}input[type=number],select{font:inherit;padding:9px 11px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--ink)}input[type=number]:focus,select:focus{outline:2px solid var(--brand);border-color:var(--brand)}.checkbox{flex-direction:row;align-items:center;gap:9px}.checkbox input{width:18px;height:18px}.result{margin-top:22px}.result-headline{font-size:1.7rem;font-weight:800;color:var(--brand-dark);letter-spacing:-.02em}.result-sub{color:var(--muted);font-size:.95rem;margin-top:2px}.stat-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:14px}.stat{flex:1 1 130px;background:var(--accent);border-radius:10px;padding:12px 14px}.stat .k{font-size:.8rem;color:var(--muted)}.stat .v{font-size:1.25rem;font-weight:700}table.breakdown{width:100%;border-collapse:collapse;margin-top:16px;font-size:.94rem}table.breakdown th,table.breakdown td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line)}table.breakdown td:last-child,table.breakdown th:last-child{text-align:right}table.breakdown tr.total td{font-weight:800;border-top:2px solid var(--ink);border-bottom:none}.note{font-size:.85rem;color:var(--muted);margin-top:14px}.badge-ok{color:var(--brand-dark);font-weight:700}.badge-warn{color:#b4530d;font-weight:700}.prose{margin-top:8px}.prose p,.prose li{color:#34403a}.faq dt{font-weight:700;margin-top:14px}.faq dd{margin:4px 0 0;color:#34403a}.guide-meta{color:var(--muted);font-size:.88rem;margin-top:-2px}.guide blockquote{margin:16px 0;padding:10px 16px;border-left:3px solid var(--brand);background:var(--accent);border-radius:0 8px 8px 0;color:#34403a}.guide table{width:100%;border-collapse:collapse;margin:16px 0;font-size:.94rem}.guide th,.guide td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line)}.guide ul,.guide ol{padding-left:22px}.guide li{margin:4px 0}.guide h2{margin-top:28px}.ad-slot{margin:24px 0;min-height:90px;display:flex;align-items:center;justify-content:center;border:1px dashed var(--line);border-radius:10px;color:#9aa8a0;font-size:.8rem;letter-spacing:.04em;text-transform:uppercase}@media(max-width:620px){.calc,.tool-grid{grid-template-columns:1fr}h1{font-size:1.6rem}}