:root{color-scheme:light;--ink:#18251f;--muted:#66716b;--paper:#fffdfa;--cream:#f6f1e8;--green:#1f6b4f;--green2:#dcebdd;--orange:#d75d2b;--line:#dfded7;font-family:"Yu Gothic UI","Hiragino Sans",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-size:16px;line-height:1.7}a{color:inherit}.site-header{width:min(1160px,calc(100% - 32px));margin:auto;min-height:72px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:900}.brand span{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--green);color:white}.site-header nav{display:flex;gap:24px}.site-header nav a{text-decoration:none;color:var(--muted);font-weight:700;font-size:.9rem}.hero{width:min(1160px,calc(100% - 32px));margin:28px auto 80px;display:grid;grid-template-columns:.9fr 1.1fr;gap:54px;align-items:start}.eyebrow{color:var(--green);font-weight:900;letter-spacing:.08em;font-size:.82rem;text-transform:uppercase}.hero h1{font-size:clamp(2.3rem,5vw,4.6rem);line-height:1.08;letter-spacing:-.05em;margin:12px 0 24px}.hero h1 em{color:var(--orange);font-style:normal}.lead,.section-lead{color:var(--muted);font-size:1.05rem;max-width:62ch}.hero-visual{margin:32px 0 0;border-radius:28px;overflow:hidden;background:var(--cream);aspect-ratio:9/5}.hero-visual img{width:100%;height:100%;object-fit:cover}.calculator{background:var(--cream);border:1px solid var(--line);border-radius:28px;padding:28px;box-shadow:0 24px 60px rgba(42,58,49,.12)}.panel-heading p{margin:0;color:var(--orange);font-weight:900;font-size:.8rem}.panel-heading h2{margin:2px 0 20px;font-size:1.7rem}.preset-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}.preset{border:1px solid #b8c8bd;background:white;color:var(--green);padding:9px 12px;border-radius:999px;font-weight:800;cursor:pointer}.preset:hover,.preset:focus-visible{background:var(--green2)}.fields{display:grid;grid-template-columns:1fr 1fr;gap:14px}.fields label{display:grid;gap:6px;font-size:.86rem;font-weight:800}.fields label span{display:flex;align-items:center;gap:8px;background:white;border:1px solid var(--line);border-radius:12px;padding-right:12px}.fields input{min-width:0;width:100%;border:0;background:transparent;padding:13px;font:inherit;font-weight:800;color:var(--ink)}.fields input:focus{outline:3px solid rgba(31,107,79,.2);border-radius:10px}.results{margin-top:22px;display:grid;grid-template-columns:1fr 1fr;gap:10px}.results>div{background:white;border-radius:14px;padding:14px}.results span{display:block;color:var(--muted);font-size:.78rem}.results strong{display:block;color:var(--green);font-size:1.55rem}.results .total{grid-column:1/-1;background:var(--green);color:white;padding:18px}.results .total span,.results .total small{color:rgba(255,255,255,.75)}.results .total strong{color:white;font-size:2rem}.error{background:#fff0eb;color:#a83b15;padding:10px;border-radius:10px;font-weight:700}.formula,.fineprint{font-size:.78rem;color:var(--muted);margin-bottom:0}.section{width:min(1060px,calc(100% - 32px));margin:0 auto;padding:72px 0}.section h2{font-size:clamp(2rem,4vw,3.2rem);line-height:1.2;letter-spacing:-.04em;margin:8px 0 14px}.comparison-grid,.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:32px}.comparison-grid article,.guide-grid article{border:1px solid var(--line);border-radius:22px;padding:24px;background:white}.comparison-grid h3{font-size:1.35rem;margin-top:0}.comparison-grid dl{border-block:1px solid var(--line);padding:10px 0}.comparison-grid dl div{display:flex;justify-content:space-between;gap:16px;padding:6px 0}.comparison-grid dt{color:var(--muted)}.comparison-grid dd{margin:0;font-weight:900}.comparison-grid a{display:inline-block;margin-top:8px;color:var(--green);font-weight:900}.guide{border-top:1px solid var(--line)}.guide-grid{grid-template-columns:repeat(3,1fr)}.guide-grid b{font-size:1.1rem}.guide-grid p{color:var(--muted)}.policy{background:var(--green2);border-radius:28px;padding:36px;margin-bottom:72px}.policy h2{font-size:2rem}.policy p{max-width:82ch}footer{background:var(--ink);color:white;display:flex;justify-content:space-between;gap:24px;padding:28px max(16px,calc((100% - 1060px)/2));font-size:.9rem}footer a{font-weight:900}@media(max-width:820px){.site-header nav{display:none}.hero{grid-template-columns:1fr;gap:28px;margin-top:12px}.hero h1{font-size:clamp(2.35rem,12vw,3.5rem)}.hero-visual{margin-top:24px}.fields{grid-template-columns:1fr}.comparison-grid,.guide-grid{grid-template-columns:1fr}.section{padding:54px 0}.policy{border-radius:20px;padding:24px}.calculator{padding:20px;border-radius:22px}footer{flex-direction:column}}