[hidden]{display:none!important}header{position:relative}.tab-shell{position:sticky;top:0;z-index:4;background:#f9fafbf5;border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}.tabs{display:grid;grid-template-columns:repeat(5,1fr);max-width:1320px;padding:0 5%;margin:auto}.tabs button{position:relative;display:flex;gap:10px;align-items:center;text-align:left;background:none;border:0;padding:20px 13px;color:var(--muted);font:inherit;font-size:14px;line-height:1.6;cursor:pointer;border-bottom:3px solid transparent;min-height:85px}.tabs button span{font-size:12px;color:#657c8d}.tabs button[aria-selected=true]{background:var(--navy);color:white;border-bottom-color:var(--lime)}.tabs button[aria-selected=true] span{color:var(--lime)}.tabs button:hover:not([aria-selected=true]){background:#e9eef1}.tabs button:focus-visible{outline:3px solid #809745;outline-offset:-4px}.tab-panel{outline:none;padding-bottom:40px}.panel-heading{padding:38px 0 24px}.panel-heading h1{font-size:clamp(27px,3vw,39px);line-height:1.5;margin:8px 0 12px}.panel-heading p{color:var(--muted);max-width:940px;margin:0}.estimate{display:grid;grid-template-columns:1.4fr 1fr;border:1px solid var(--line);margin:0 0 30px}.estimate form{padding:30px}.estimate h2{font-size:24px}.muted{color:var(--muted)}.fields{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:22px 0}.fields label{display:block;font-size:14px;font-weight:500}.fields label:first-child{grid-column:1/-1}input,select,button{font-family:inherit}input[type=number],select{display:block;width:100%;margin-top:8px;border:1px solid #acb9c4;border-radius:3px;background:white;color:var(--ink);padding:12px;font-size:16px;min-height:48px}input:focus-visible,select:focus-visible{outline:3px solid #a4bf6a;outline-offset:2px}.primary{background:var(--navy);color:white;padding:13px 24px;border:0;font-size:16px;cursor:pointer;border-radius:3px}.primary:hover{background:#2b465f}.primary:focus-visible{outline:3px solid #a4bf6a;outline-offset:3px}.fine{font-size:13px;color:var(--muted)}.estimate-result{background:var(--navy);color:white;padding:32px;display:flex;flex-direction:column;justify-content:center}.estimate-result>span{font-size:14px;color:#bac8d5}.estimate-result>strong{font-size:clamp(32px,3.8vw,48px);font-weight:500;color:var(--lime);line-height:1.4;margin-top:14px;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}.estimate-result strong small{font-size:16px;display:block;color:white;font-weight:400;margin-top:4px}.estimate-result p{color:#cbd6df;margin:10px 0 0}.estimate-result h3{font-size:19px;margin:0}.result-rule{height:1px;background:#ffffff30;margin:22px 0}.dimension-highlights{display:grid;grid-template-columns:1fr 1fr 1.3fr;gap:20px;margin:10px 0 30px}.dimension-highlights article{padding:25px;background:#e9eef1;border-top:3px solid var(--navy)}.dimension-highlights small{font-size:14px}.dimension-highlights strong{display:block;font-size:36px;font-weight:500;margin:8px 0}.dimension-highlights strong span{font-size:16px;margin-left:8px}.dimension-highlights .words{font-size:23px;line-height:1.7}.dimension-highlights p{color:var(--muted);margin:0;font-size:14px}.dimension-diagram{padding:28px;background:white;border:1px solid var(--line);margin-bottom:30px}.dimension-diagram h2{font-size:23px}.dimension-diagram svg{display:block;width:100%;max-width:760px;margin:20px auto}.dimension-diagram p{color:var(--muted)}.guide-table{margin:18px 0 30px}.guide-table th{width:auto}.guide-table th:first-child{width:23%}.guide-table td{font-size:16px}.guide-table td:nth-child(2){color:var(--ink);font-weight:500}.sources{padding:25px 28px;background:#e9eef1;margin:30px 0}.sources h3{font-size:18px;margin:0 0 10px}.sources p{color:var(--muted);margin:10px 0}.source{display:inline-block;color:#294c67;text-decoration:underline;text-underline-offset:4px;font-size:14px;margin:8px 22px 4px 0;overflow-wrap:anywhere}.source:hover{color:#506b16}.callout{padding:24px 28px;background:#edf1e5;border-left:4px solid #6d8149;margin:6px 0 30px}.callout strong{font-weight:600;font-size:18px}.callout p{color:#485944;margin:8px 0 0}.subheading{font-size:25px;margin:35px 0 15px}.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.check-card{background:white;border:1px solid var(--line);padding:22px}.check-card h3{font-weight:500;font-size:19px;margin:0 0 18px}.check-row{display:flex;gap:12px;align-items:flex-start;margin:0 0 17px;cursor:pointer}.check-row input{width:19px;height:19px;flex-shrink:0;margin-top:5px;accent-color:var(--navy)}.check-row:has(input:checked) span{text-decoration:line-through;color:var(--muted)}.steps{border-top:1px solid var(--line)}.steps article{display:flex;gap:24px;padding:24px 0;border-bottom:1px solid var(--line)}.steps article>span{font-size:29px;color:#6c8192}.steps h3{font-size:21px;margin:0 0 10px;font-weight:500}.steps p{margin:0;color:var(--muted)}.trend-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.trend-card{background:white;border:1px solid var(--line);padding:28px}.trend-top{display:flex;justify-content:space-between;align-items:center;gap:12px}.trend-top>span{background:var(--navy);color:var(--lime);padding:4px 10px;font-size:13px}.trend-top small{color:var(--muted);font-size:12px}.trend-card h2{font-size:26px;margin:20px 0 12px}.trend-card p{color:var(--muted)}.trend-card .trend-lead{color:var(--ink);font-weight:500}.trend-card dl{border-top:1px solid var(--line);padding-top:8px}.trend-card dt{font-size:14px;font-weight:600;margin-top:14px}.trend-card dd{margin:5px 0 0;color:var(--muted)}@media(max-width:1050px){.tabs{padding:0 3%}.tabs button{padding:15px 10px;gap:6px}.estimate{grid-template-columns:1.3fr 1fr}.dimension-highlights{grid-template-columns:1fr 1fr}.dimension-highlights article:last-child{grid-column:1/-1}.check-grid{grid-template-columns:1fr}}@media(max-width:700px){html{scroll-padding-top:105px}.tab-shell{overflow-x:auto}.tabs{display:flex;width:max-content;max-width:none;padding:0 12px}.tabs button{width:175px;min-height:76px;font-size:14px}.tabs button span{align-self:flex-start;padding-top:2px}.panel-heading{padding-top:28px}.panel-heading h1{font-size:27px}.estimate{grid-template-columns:1fr}.estimate form,.estimate-result{padding:24px}.fields{grid-template-columns:1fr}.fields label:first-child{grid-column:auto}.estimate-result>strong{font-size:38px}.dimension-highlights{gap:12px}.dimension-highlights article{padding:18px}.dimension-highlights strong{font-size:29px}.dimension-highlights .words{font-size:21px}.dimension-diagram{padding:18px;overflow:auto}.dimension-diagram svg{min-width:550px}.guide-table thead{display:none}.guide-table td:before{content:attr(data-label) '｜';font-size:14px;font-weight:500;color:var(--ink)}.guide-table td{font-size:16px}.guide-table tbody th{font-size:18px}.guide-table td:nth-child(2){font-weight:500}.sources,.callout{padding:22px}.trend-grid{grid-template-columns:1fr}.trend-card{padding:24px}.trend-card h2{font-size:24px}.steps article{gap:18px}.steps h3{font-size:19px}.source{font-size:14px}.edition{display:none}}@media print{.tab-shell{display:none}.tab-panel[hidden]{display:block!important}.tab-panel{break-before:page}.estimate{display:none}header{position:static}}