:root{--paper:#f5f0e7;--ink:#1c3332;--teal:#173d3c;--soft:#e4ebe5;--rust:#923f25;--line:#c8cfc5;--white:#fffdf8}*{box-sizing:border-box}html{color:var(--ink);background:var(--paper);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65}body{margin:0}a{color:var(--teal);text-decoration-thickness:1px;text-underline-offset:3px}a:hover{color:var(--rust)}a:focus-visible,button:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--rust);outline-offset:3px}.skip{position:absolute;top:-70px;background:var(--white);padding:10px;z-index:5}.skip:focus{top:0}.masthead{max-width:1120px;margin:auto;padding:22px 32px;display:flex;align-items:center;justify-content:space-between;gap:15px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:12px;font-weight:850;letter-spacing:1.4px;line-height:1.35}.brand small{font-size:9px;font-weight:650;letter-spacing:1.2px}.mark{background:var(--teal);color:var(--white);width:42px;height:42px;display:grid;place-items:center;font-size:18px;letter-spacing:-1px;border-radius:50%}.header-link{font-size:13px}main{max-width:980px;margin:auto;padding:32px 32px 12px}.kicker{font-size:10px;letter-spacing:1.6px;color:var(--rust);font-weight:800}h1{font-size:clamp(28px,4vw,44px);line-height:1.12;letter-spacing:-1.3px;max-width:850px;margin:10px 0 24px;font-weight:750}h2{font-size:25px;line-height:1.25;letter-spacing:-.5px;margin:34px 0 14px}p{margin:12px 0 20px;max-width:780px}.intro{font-size:17px}.edition{font-size:12px;color:#405955}.tool{background:var(--white);border:1px solid var(--line);border-top:5px solid var(--teal);padding:24px;box-shadow:6px 6px 0 #e8e2d6}.controls{display:grid;grid-template-columns:1fr 1.8fr;gap:18px}label{display:block;font-size:12px;font-weight:750;margin:0 0 6px}select{width:100%;min-width:0;padding:11px 34px 11px 11px;color:var(--ink);font:inherit;font-size:14px;line-height:1.4;border:1px solid #73857f;border-radius:4px;background:var(--white);text-overflow:ellipsis}select:disabled{opacity:1;background:var(--soft)}button{background:var(--teal);color:white;border:1px solid var(--teal);border-radius:4px;padding:11px 17px;min-height:44px;font:inherit;font-size:13px;font-weight:750;cursor:pointer;margin-top:16px}button:hover{background:#255452}button:disabled{opacity:.6;cursor:wait}.quiet{color:var(--teal);background:transparent;margin-left:7px}.quiet:hover{background:var(--soft)}.result{margin-top:22px;padding:18px 20px;border-left:4px solid var(--rust);background:var(--soft);overflow-wrap:anywhere;min-height:154px}.result-label{display:block;letter-spacing:1.1px;font-weight:700;font-size:10px;text-transform:uppercase}#amount{display:block;font-size:clamp(24px,3.8vw,34px);line-height:1.2;letter-spacing:-.7px;margin-top:7px}.result p{font-size:13px;margin:9px 0}.result a{font-size:12px}.result blockquote{font-size:12px;border-top:1px solid #bac9c0;margin:12px 0 5px;padding-top:10px}.tool-note{font-size:11px;margin:12px 0 0;line-height:1.4}.ad-slot{min-height:80px;margin:18px 0}.ad-slot:empty{background:transparent}.area-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.area-grid a{background:var(--white);border:1px solid var(--line);padding:14px 16px;text-decoration:none;font-weight:650;font-size:14px;border-left:3px solid var(--teal)}.area-grid a:hover{border-left-color:var(--rust)}.table-wrap{width:100%;margin:22px 0}table{border-collapse:collapse;width:100%;font-size:13px;background:var(--white);table-layout:fixed}caption{text-align:left;padding:0 0 10px;font-size:12px;font-weight:700;color:#405955}th,td{padding:14px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line);overflow-wrap:anywhere}thead th{background:var(--teal);color:var(--white);font-size:11px;text-transform:uppercase;letter-spacing:.7px}thead th:first-child{width:51%}thead th:nth-child(2){width:26%}tbody th{font-weight:700}th small{display:block;font-weight:400;color:#405955;line-height:1.6;margin-top:7px}.money{font-weight:700;letter-spacing:-.2px}td a{font-size:12px}.formula{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;background:var(--soft);padding:14px;font-size:13px;overflow-wrap:anywhere}details{border-top:1px solid var(--line);padding:16px 0}details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;font-size:15px;font-weight:650;padding-right:15px}details p{font-size:14px;margin:14px 0 4px}.sources{border-top:3px solid var(--teal);margin-top:35px;padding-top:5px}.sources p{font-size:13px}.sources a{overflow-wrap:anywhere}footer{background:var(--teal);color:var(--paper);padding:30px max(24px,calc((100vw - 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