:root{--green:#123f35;--gold:#e6b454;--ink:#18332e;--muted:#52665e;--line:#ccd8d1;--paper:#f5f6f2;color-scheme:light}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.7 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;padding-bottom:env(safe-area-inset-bottom)}
::selection{background:var(--gold);color:var(--green)}
a{color:var(--green);text-underline-offset:3px}
:focus-visible{outline:3px solid #a87920;outline-offset:4px}
.site-header{background:var(--green);color:white;padding:14px max(16px,calc((100vw - 1120px)/2));display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px}
.brand{display:flex;align-items:center;gap:10px;color:white;text-decoration:none;font-size:20px;font-weight:750;white-space:nowrap}
.mark{display:grid;place-items:center;width:34px;height:34px;border-radius:8px;background:var(--gold);color:var(--green)}
.site-header nav{display:flex;gap:8px;align-items:center}
.site-header nav a{display:flex;align-items:center;min-height:44px;padding:8px;color:#e4eee9;font-size:14px;font-weight:650}
.site-header .header-action{color:var(--green);background:var(--gold);border-radius:8px;text-decoration:none;padding:8px 12px}
.article-wrap{max-width:780px;margin:26px auto 48px;padding:0 20px}
.breadcrumbs{display:flex;gap:10px;flex-wrap:wrap;align-items:center;font-size:14px;color:var(--muted);margin-bottom:20px}
.breadcrumbs a{display:inline-flex;align-items:center;min-height:44px}
h1,h2{line-height:1.2;letter-spacing:-.025em;text-wrap:balance}
h1{font-size:clamp(28px,4vw,40px);margin:0 0 16px}
h2{font-size:24px;margin:36px 0 14px;scroll-margin-top:24px}
p{margin:0 0 18px}
.meta-info{font-size:14px;color:var(--muted);margin-bottom:20px}
.lead{font-size:19px;line-height:1.6;color:var(--green);margin-bottom:24px}
.contents{display:flex;flex-wrap:wrap;gap:4px 18px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:10px 0;margin-bottom:30px;font-size:14px}
.contents a{min-height:44px;display:inline-flex;align-items:center;font-weight:650}
ul,ol{padding-left:24px;margin:0 0 22px}
li{padding-left:3px;margin-bottom:10px}
.table-container{max-width:100%;overflow-x:auto;border:1px solid var(--line);border-radius:10px;margin:20px 0 26px;background:white;scrollbar-color:#91ab9e #eaf0ec}
table{min-width:440px;width:100%;border-collapse:collapse;text-align:left;font-size:15px;line-height:1.6}
caption{text-align:left;padding:14px 16px;background:#eaf0ec;color:var(--green);font-weight:650}
th,td{padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
thead th{background:#f7faf7;font-weight:650}
tbody th{font-weight:550;width:48%}
tr:last-child th,tr:last-child td{border-bottom:0}
.calculator-link,.counter-cta{border-top:1px solid #a8bcb0;border-bottom:1px solid #a8bcb0;padding:24px 0;margin:32px 0}
.calculator-link h2,.counter-cta h2{margin-top:0}
.calculator-link p,.counter-cta p{color:var(--muted)}
.primary{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 20px;border-radius:8px;background:var(--green);color:white;text-decoration:none;font-weight:650;font-size:16px;transition:background-color 150ms;touch-action:manipulation}
.faq-section details{border-bottom:1px solid var(--line)}
summary{cursor:pointer;min-height:44px;padding:16px 0;font-weight:650;font-size:16px}
.faq-section details p{color:var(--muted);font-size:16px;padding-bottom:10px}
.sources p{font-size:15px;color:var(--muted)}
footer{border-top:1px solid var(--line);padding-top:24px;margin-top:40px;color:var(--muted);font-size:14px}
footer nav{display:flex;flex-direction:column;gap:2px}
footer a{min-height:44px;display:inline-flex;align-items:center}
footer a[aria-current=page]{font-weight:650}
.skip-link:not(:focus){position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.skip-link:focus{display:block;padding:12px;background:var(--gold)}
@media(max-width:519px){.article-wrap{padding:0 16px}.lead{font-size:17px}.primary{width:100%}}
@media(min-width:768px){.article-wrap{margin-top:40px}}
@media(hover:hover){.primary:hover{background:#1b5545}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}