@charset "UTF-8";
:root{--ink:#173137;--muted:#586b6d;--paper:#f7f6f0;--line:#d5ddd7;--teal:#126452;--pale:#e6efe7;--orange:#f4d2b5}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI","Noto Sans JP",sans-serif;line-height:1.85}a{color:var(--teal);text-underline-offset:4px}a:hover{color:#943f17}button,input,textarea,select{font:inherit}button,a.button{border:1px solid var(--teal);background:var(--teal);color:white;border-radius:7px;padding:11px 22px;cursor:pointer;text-decoration:none;font-weight:650;display:inline-block}button.secondary{background:transparent;color:var(--teal)}button:hover,a.button:hover{background:#0b4e3f;color:white}button:disabled{opacity:.45;cursor:default}:focus-visible{outline:3px solid #d47932;outline-offset:4px}.wrap{max-width:1120px;margin:auto;padding:0 28px}header{border-bottom:1px solid var(--line)}header 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input{margin-top:7px}.status{font-size:14px;font-weight:600;min-height:28px}.error{color:#a12c1b}.summary{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.summary span{padding:10px 16px;background:var(--pale);border-radius:5px;font-size:14px}.table-scroll{overflow:auto}table{width:100%;border-collapse:collapse;font-size:13px;white-space:pre-wrap;word-break:break-word;min-width:540px}th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);max-width:300px}th{background:var(--pale)}.empty{color:var(--muted);padding:25px 0;text-align:center;font-size:14px}footer{padding:36px 0;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}footer .wrap{display:flex;justify-content:space-between;gap:24px}.prose{max-width:780px;margin:auto;padding:55px 28px 80px}.prose h1{font-size:38px}.prose h2{font-size:24px;margin-top:42px}.prose li{margin:10px 0}.prose code{background:var(--pale);padding:2px 5px}.prose pre{background:var(--ink);color:#e8f1e7;padding:20px;overflow:auto;font-size:14px}.prose pre code{background:transparent;padding:0}.prose .meta{font-size:13px;color:var(--muted)}.prose a.button{margin-top:20px}.steps{display:grid;grid-template-columns:1fr 1fr;gap:36px}.steps p{color:var(--muted);font-size:14px}.skip{position:absolute;top:-100px;left:15px;background:white;padding:10px;z-index:10}.skip:focus{top:10px}[hidden]{display:none!important}@media(max-width:760px){header .wrap{min-height:80px;gap:12px}nav{gap:14px;font-size:12px}.wrap{padding:0 20px}.brand{font-size:21px}.brand span{font-size:10px}.hero{padding:40px 0;grid-template-columns:1fr;gap:28px}.hero-note{padding:22px;box-shadow:7px 7px 0 var(--pale)}.section{padding:35px 0}.inputs,.article-list,.steps{grid-template-columns:1fr}.panel{padding:18px}.section-top,footer .wrap{display:block}.prose h1{font-size:29px}.prose{padding-top:35px}h2{font-size:25px}.specimen{font-size:30px}}
/* Privacy disclosure and measurement controls */
.privacy-footer{text-align:center;padding:14px 20px;margin:0;font-size:14px}.privacy-footer a{text-decoration:underline}#independent-metrics-policy{max-width:960px;margin:36px auto;padding:20px;line-height:1.85;overflow-wrap:anywhere}#independent-metrics-policy h3{margin-top:24px}[data-areia-privacy-controls]{padding:16px;border:1px solid #aab3ba;border-radius:6px}[data-areia-privacy-controls] button{font:inherit;padding:8px 12px;margin:6px 10px 6px 0;cursor:pointer}

/* Private inquiry form */
.areia-contact-form{max-width:760px;margin:24px 0;padding:0;line-height:1.7}.areia-contact-form label{display:block;font-size:14px;letter-spacing:.04em;margin:20px 0 6px}.areia-contact-form input,.areia-contact-form textarea{box-sizing:border-box;width:100%;font:inherit;color:#20323c;background:#fff;border:1px solid #b7c0c5;border-radius:4px;padding:12px}.areia-contact-form textarea{min-height:250px;resize:vertical;line-height:1.8}.areia-contact-form input:focus,.areia-contact-form textarea:focus{outline:3px solid #bacdd5;outline-offset:2px}.areia-contact-form button{font:inherit;font-weight:600;background:var(--accent,#244e61);color:white;border:0;border-radius:4px;padding:12px 24px;margin:16px 0 0;cursor:pointer}.areia-contact-form button:disabled{opacity:.55;cursor:wait}.areia-contact-note{font-size:14px;color:#52636a}.areia-contact-form [role=status]{min-height:2em;font-size:14px}.privacy-footer{display:flex;justify-content:center;gap:24px;flex-wrap:wrap}

/* ART-SITES-004 / Japanese reading and interaction layer */
body{overflow-wrap:break-word;font-feature-settings:"palt" 0}button,input,select,textarea{font:inherit}nav a{min-height:44px;display:inline-flex;align-items:center}h1,h2,h3{word-break:normal;overflow-wrap:break-word}a{ text-underline-offset:.25em}.btn,.button,button{min-height:48px}.plain-link{display:inline-block;padding:10px 0;font-size:14px;font-weight:600}.hero-actions{display:flex;gap:15px 24px;align-items:center;flex-wrap:wrap}.hero-actions .btn{margin-top:0}.hero>div,.hero>aside{min-width:0}.meta,.small,.field-note{font-size:13px}.disclosure{font-size:14px;line-height:1.9}.article-head .lead{font-size:18px;line-height:2}.article-head{max-width:900px}.article-head h1{line-height:1.65;letter-spacing:.015em}.article-layout{grid-template-columns:210px minmax(0,760px);gap:50px}article p,article li{line-height:2}.toc{font-size:14px}.toc strong{font-size:13px}.toc a{padding:9px 0}.sources{font-size:14px}.sources h2{font-size:20px}.cta p{font-size:14px;line-height:1.9}.cta{overflow-x:auto}.table-wrap:focus-visible,.table-scroll:focus-visible{outline:3px solid var(--accent,#126452);outline-offset:3px}.table-wrap table{min-width:540px;font-size:15px}th,td{padding:15px}.card p{font-size:15px}.card small{font-size:13px}.card .read{font-size:14px}.eyebrow{font-size:12px}.search{font-size:16px;min-height:48px;width:290px;border-color:#9ba7a3}.section-head p{font-size:15px}.editorial p{font-size:15px}.footer{font-size:14px;line-height:1.9}.privacy-footer{width:100%}.privacy-footer a{min-height:44px;display:inline-flex;align-items:center}.bread,.jump,.back{font-size:14px}.policy p{line-height:2}.policy h1{font-size:clamp(28px,3vw,38px)}.areia-contact-form label{font-size:15px}.areia-contact-form button{min-height:48px}.areia-contact-form textarea:focus-visible{outline:3px solid #785a2e;outline-offset:4px}.condition-map{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);margin:28px 0 0}.condition-map>div{padding:20px}.condition-map>div+div{border-left:1px solid var(--line)}.condition-map b{display:block;font-size:17px}.condition-map span{font-size:14px;color:var(--muted)}.reading-note{font-size:13px;color:var(--muted);line-height:1.85}.evidence-jump{display:flex;gap:15px 28px;align-items:center;flex-wrap:wrap;max-width:1015px;margin:0 auto 35px;padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.evidence-jump a{font-size:15px;font-weight:600}.evidence-jump span{font-size:13px}.example-boundary{border:1px solid var(--line);padding:23px 26px;margin:26px 0}.example-boundary p{font-size:15px;line-height:1.9}.example-boundary a{font-size:15px;font-weight:600}[hidden]{display:none!important}
@media(max-width:800px){.mast{gap:7px}.brand{font-size:19px}.brand small{font-size:10px}.wrap{width:calc(100% - 36px)}.hero h1{font-size:clamp(30px,7.8vw,42px);text-wrap:initial}.hero p{font-size:16px}.article-layout{grid-template-columns:1fr;gap:25px}.article-head h1{font-size:clamp(26px,6.8vw,34px)}.article-head .lead{font-size:17px}.toc{font-size:14px}.table-wrap table{font-size:15px}.card h3{font-size:20px;line-height:1.85}.section-head{width:100%}.section-head>div{width:100%}.search{width:100%}.condition-map{grid-template-columns:1fr}.condition-map>div{padding:14px 18px}.condition-map>div+div{border-left:0;border-top:1px solid var(--line)}.condition-map span{display:block}.editorial{padding:26px}.footer{font-size:13px}.hero-actions{display:block}.hero-actions .plain-link{display:block;margin-top:12px}.hero-actions .btn{max-width:100%;gap:10px}.example-boundary{padding:20px}.evidence-jump{display:block}.evidence-jump a{display:block;margin:8px 0}.article-head{margin-bottom:30px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* CSV: a workbench, with A/B and unmodified identifiers */
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