:root{color-scheme:light;--bg: #f7f8f6;--surface: #ffffff;--text: #1f2f2b;--muted: #5d6d68;--line: #d9e1dc;--primary: #276b5d;--primary-dark: #17463d;--accent: #b85632;--soft: #eef4ef;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);line-height:1.75}a{color:var(--primary-dark);text-decoration-thickness:.08em;text-underline-offset:.18em}img{max-width:100%;height:auto}main{min-height:70vh}.site-header,.site-footer{max-width:1120px;margin:0 auto;padding:18px 20px;display:flex;gap:18px;align-items:center;justify-content:space-between}.site-header nav,.site-footer nav{display:flex;flex-wrap:wrap;gap:14px;font-size:.95rem}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;color:var(--text);text-decoration:none}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:8px;background:var(--primary);color:#fff;font-size:.85rem}.site-footer{border-top:1px solid var(--line);color:var(--muted)}.hero{background:linear-gradient(180deg,#edf5ef,#f7f8f6);border-block:1px solid var(--line)}.hero-inner,.page-shell,.breadcrumbs,.section{max-width:980px;margin:0 auto;padding:32px 20px}.hero-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center;min-height:430px}.hero h1,.page-header h1{font-size:clamp(2rem,4vw,3.3rem);line-height:1.2;margin:8px 0 16px;letter-spacing:0}.hero p,.page-header p{color:var(--muted);font-size:1.05rem}.hero-panel{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:20px}.eyebrow{color:var(--accent);font-weight:700;margin:0}.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.button-link,button{appearance:none;border:0;border-radius:8px;background:var(--primary);color:#fff;padding:12px 16px;font-weight:700;text-decoration:none;cursor:pointer}.button-link.secondary{background:var(--surface);color:var(--primary-dark);border:1px solid var(--line)}button:hover,.button-link:hover{background:var(--primary-dark);color:#fff}.breadcrumbs{padding-block:14px 0;font-size:.9rem}.breadcrumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0;color:var(--muted)}.breadcrumbs li:not(:last-child):after{content:"/";margin-left:8px;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.card,.result-card,.tool-form,.notice,.disclosure,.cta-box,.faq details{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:18px}.card h2,.card h3,.result-card h3{margin-top:0;line-height:1.35}.meta,.source-note{color:var(--muted);font-size:.92rem}.tag-list{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0}.tag-list li{border:1px solid var(--line);border-radius:999px;padding:2px 10px;color:var(--muted);font-size:.86rem}.tool-form{display:grid;gap:16px;margin:22px 0}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}label{display:grid;gap:6px;font-weight:700}input,select{width:100%;border:1px solid #b9c8c1;border-radius:8px;padding:11px 12px;font:inherit;background:#fff;color:var(--text)}input:focus,select:focus,button:focus-visible,a:focus-visible{outline:3px solid #8ec7b9;outline-offset:2px}.results{display:grid;gap:14px;margin:22px 0}.result-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.result-value{font-size:1.35rem;font-weight:800;margin:0;color:var(--primary-dark)}.cost-table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--line);border-radius:8px;overflow:hidden}.cost-table th,.cost-table td{border-bottom:1px solid var(--line);padding:10px;text-align:left;vertical-align:top}.cost-table th{background:var(--soft);width:34%}.notice{border-left:5px solid var(--accent)}.disclosure{font-size:.92rem;color:var(--muted)}.cta-box{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:24px 0}.faq{margin-top:34px}.faq details{margin:10px 0}.faq summary{cursor:pointer;font-weight:700}.article h2,.article h3{line-height:1.4;margin-top:2em}.article>p,.article>ul,.article>ol{max-width:760px}@media(max-width:760px){.site-header,.site-footer{align-items:flex-start;flex-direction:column}.hero-inner,.grid,.form-grid,.result-grid{grid-template-columns:1fr}.hero-inner{min-height:auto}.cta-box{align-items:stretch;flex-direction:column}}
