/* Original visual system: warm paper, restrained green, compact mobile reading. */
:root{--paper:#faf9f5;--visual-ink:#173d32;--visual-soft:#edf5f0}body{background:var(--paper)}
.hero{background:linear-gradient(125deg,#edf6ef 0%,#fbfaf6 72%);padding:54px 0 38px}.hero h1{line-height:1.2;letter-spacing:-1.5px}.hero .eyebrow{background:#dbece0}.hero-visual{display:none}.section{padding:44px 0}.section-head h2{margin-top:8px}.visual-home{background:#faf9f5}.visual-home-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.visual-home-card{min-width:0;background:#fff;border:1px solid #dce5dc;border-radius:20px;overflow:hidden;transition:transform .2s,box-shadow .2s}.visual-home-card:hover{transform:translateY(-3px);box-shadow:0 12px 30px #183c3110}.visual-home-card>img{display:block;width:100%;height:auto;aspect-ratio:8/5;object-fit:contain;border-radius:0;background:#edf5f0}.visual-home-card>div{padding:18px}.visual-home-card h3{display:flex;justify-content:space-between;margin:0 0 8px;font-size:21px}.visual-home-card h3 span{color:#638a78}.visual-home-card p{font-size:13px;color:#61726a;margin:0 0 12px}.visual-home-example{display:block;font-size:14px;font-weight:600;color:#285c47}.article-jump{display:flex;flex-wrap:wrap;gap:8px;padding:9px 0;margin:15px 0}.article-jump a{border:1px solid #cbded1;border-radius:999px;padding:8px 16px;background:#fff;font-size:14px;color:#285c47}.article-jump a:hover{background:#e4efe7}.visual-guide{border-color:#cbded1;overflow:hidden}.visual-heading{display:flex;gap:14px;align-items:center;justify-content:space-between}.visual-heading h2{margin:9px 0 13px;font-size:25px}.visual-heading>.text-link{font-size:13px;white-space:nowrap}.visual-stop{padding:12px 15px;border-radius:10px;background:#fff1e6;color:#73402d;font-size:14px;margin:4px 0 18px}.visual-comparison{display:grid;grid-template-columns:1fr 1fr;gap:14px}.visual-comparison figure{margin:0;border:1px solid #e0e8df;border-radius:16px;overflow:hidden}.visual-comparison figure:nth-child(2){border-color:#ead8cf}.visual-comparison img{display:block;width:100%;height:auto;max-height:160px;object-fit:contain;background:#f0f7f2}.visual-comparison figure:nth-child(2) img{background:#fff3ed}.visual-comparison figcaption{padding:12px 14px}.visual-comparison figcaption span{display:block;color:#65716c;font-size:12px;margin-bottom:4px}.visual-comparison strong{font-size:16px;line-height:1.55;display:block}.visual-scope{color:#69766e;font-size:12px;margin:13px 0}.visual-location{margin-top:18px;border-top:1px solid #e2e9e1}.visual-location summary{padding:15px 0;cursor:pointer;font-weight:700;color:#234e3c;min-height:48px}.visual-location-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:20px;align-items:start}.appliance-figure{margin:0}.appliance-figure img{display:block;width:100%;height:auto;border-radius:16px}.appliance-figure figcaption{font-size:12px;color:#6b756e;margin:9px 0;line-height:1.7}.location-key{list-style:none;padding:0;margin:2px 0 20px;display:grid;gap:7px}.location-key li{display:flex;align-items:center;gap:9px;font-size:14px}.location-key span{width:25px;height:25px;flex-shrink:0;display:grid;place-items:center;border-radius:50%;background:#0c755d;color:#fff;font-weight:700;font-size:12px}.visual-location h3{font-size:16px;margin-bottom:10px}.observation-list{padding-left:20px;font-size:14px;color:#42564c}.observation-list li{margin:10px 0}.visual-source{font-size:12px;border-top:1px solid #e2e9e1;padding-top:12px;margin-bottom:0;color:#65736a;overflow-wrap:anywhere}.visual-source a{text-decoration:underline;text-underline-offset:3px;color:#226447}.official-media{background:#f3f7f1}.official-media h2{margin:10px 0}.media-intro{font-size:14px;color:#647166}.official-video-list{display:grid;gap:12px}.official-video{display:flex;gap:14px;border:1px solid #dce6da;background:#fff;border-radius:13px;padding:17px}.video-symbol{flex:0 0 40px;height:40px;border-radius:12px;background:#e8f1e8;color:#256648;display:grid;place-items:center;font-size:25px}.official-video h3{font-size:17px;line-height:1.5;margin:0 0 6px}.official-video p{font-size:14px;margin:6px 0}.official-video small{display:block;font-size:12px;color:#657468}.observation-record{background:#fffef9}.observation-record h2{margin:10px 0}.observation-record>p{font-size:14px;color:#657267}.record-fields{display:grid;grid-template-columns:1fr 1fr;gap:15px}.observation-record label{display:flex;flex-direction:column;gap:8px;font-size:14px;font-weight:600;margin:12px 0}.observation-record input,.observation-record textarea{font:inherit;font-weight:400;width:100%;min-width:0;border:1px solid #cbd8cc;border-radius:10px;padding:11px;background:#fff;color:#253b30}.observation-record textarea{resize:vertical;min-height:110px}.record-actions{display:flex;flex-wrap:wrap;gap:9px;margin:16px 0}.record-actions button{min-height:44px;padding:9px 15px}.observation-record [role=status]{font-size:13px;color:#647166}.diagram-help{display:inline-block;font-size:14px;text-decoration:underline;color:#226447;margin:0 0 10px}.visual-record-updated{font-size:12px;color:#657267}.quick-start{margin-top:22px}#categories,#visual-guide,#observation-record,#official-media{scroll-margin-top:84px}.panel{box-shadow:0 3px 13px #1a372303}.site-header{background:#fffefbf5}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #11785b;outline-offset:3px}.visual-location[open] summary{margin-bottom:4px}
@media(min-width:1050px){.hero>.wrap{padding-right:340px;position:relative}.hero h1{font-size:47px}.hero-visual{display:block;position:absolute;width:310px;right:0;top:54px;transform:rotate(2deg);background:#fff;border:1px solid #dce6dc;border-radius:22px;padding:12px;box-shadow:0 18px 45px #173d3210}.hero-visual img{display:block;width:100%;height:auto;border-radius:14px}.hero-visual p{font-size:14px;color:#385b46;padding:0 10px;margin:11px 0}.hero .quick-start{grid-template-columns:repeat(3,minmax(0,1fr))}.hero .quick-start a{padding:10px 15px}.hero .quick-start small{display:none}}
@media(max-width:900px){.visual-home-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.visual-location-grid{grid-template-columns:1fr 1fr}.visual-heading{align-items:start}}
@media(max-width:600px){.visual-home-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.visual-home-card>div{padding:12px}.visual-home-card h3{font-size:18px}.visual-home-card p{font-size:12px;line-height:1.6}.visual-home-example{font-size:12px}.visual-home-card{border-radius:15px}.visual-location-grid,.record-fields{grid-template-columns:1fr}.visual-guide{padding:18px}.visual-heading{display:block}.visual-heading>.text-link{display:inline-block;margin-bottom:12px}.visual-heading h2{font-size:23px}.visual-comparison{gap:9px}.visual-comparison img{max-height:118px}.visual-comparison figcaption{padding:9px}.visual-comparison strong{font-size:14px}.visual-comparison figcaption span{font-size:11px}.hero{padding:32px 0 26px}.hero h1{font-size:35px;letter-spacing:-1px}.hero p{font-size:16px}.section{padding:33px 0}.section h2{font-size:26px}.official-video{gap:10px;padding:13px}.video-symbol{flex-basis:30px;height:30px;font-size:20px}.official-video h3{font-size:16px}.article-jump a{font-size:13px;padding:8px 13px}.visual-stop{font-size:13px}.appliance-figure img{max-height:225px;object-fit:contain;background:#edf5f0}.location-key{grid-template-columns:1fr;margin-bottom:15px}.record-actions{gap:7px}.record-actions button{font-size:13px}.visual-home-card:last-child{grid-column:1/-1;display:grid;grid-template-columns:38% 1fr;align-items:center}.visual-home-card:last-child img{height:100%;object-fit:contain}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.visual-home-card{transition:none}.hero-visual{transform:none}}
@media print{.site-header,.footer,.article-jump,.record-actions,.diagnostic-actions{display:none}.content-grid{display:block}.side{display:none}.panel{break-inside:avoid;box-shadow:none}body{background:#fff}.visual-location-grid{display:block}.visual-location:not([open]){display:none}}

.observation-record fieldset{border:0;padding:0;margin:0;min-width:0}.observation-record fieldset:disabled{opacity:.65}

@media(max-width:760px){.hero .quick-start{gap:8px}.hero .quick-start a{padding:10px 13px}.hero .quick-start span,.hero .quick-start small{display:none}.at-a-glance{grid-template-columns:1fr 1fr}.at-a-glance .glance-stop{grid-column:1/-1}}