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select{font-size:16px;padding:10px;min-height:46px}.search-controls button{padding:0 18px;flex-shrink:0;font-size:13px}.select-controls{grid-template-columns:1fr;gap:17px;margin-top:18px}.search-help{font-size:10px}.search-result{grid-template-columns:90px 1fr;gap:16px;padding-block:22px}.search-result img{width:90px;aspect-ratio:1.1}.search-result h2{font-size:15px;line-height:1.85}.search-result p{font-size:11px;line-height:1.8}.search-status{font-size:12px}.empty-search{padding:23px;font-size:14px}.footer-top{display:block}.footer-top nav{margin-top:25px;gap:18px;font-size:11px;flex-wrap:wrap}.footer-bottom{display:block}.footer-bottom small{display:block;margin-top:15px}.footer-top p{font-size:10px}.pagination{gap:6px}.pagination a,.page-current{min-width:36px;min-height:40px}.pagination .page-word{font-size:10px;padding:0 8px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
.writer-mark{display:block;flex-shrink:0;width:88px;height:88px;object-fit:contain;border:0;border-radius:0;background:transparent;aspect-ratio:1}
.writer-byline{display:flex;align-items:center;gap:10px;font-size:14px;margin-top:17px}.writer-byline .writer-mark{width:38px;height:38px}.writer-byline>span{font-size:12px;color:var(--muted)}.writer-byline a{font-weight:700;text-decoration:underline;text-underline-offset:4px}
.writer-role,.writer-reading{font-size:12px;color:var(--muted)}.writer-note{display:flex;gap:24px;border-top:1px solid var(--line);padding-top:28px;margin-top:42px}.writer-note>div>p:not(.writer-role){font-size:16px;line-height:1.9;margin:12px 0}.writer-note-name{display:inline-block;font-size:21px;font-weight:700;margin-top:5px}.writer-more{font-size:14px;color:var(--blue);text-decoration:underline;text-underline-offset:4px}
.writers-page,.writer-page{padding-bottom:76px}.writers-page>.listing-heading{padding-bottom:24px}.writer-index{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:54px 38px;padding-block:16px 36px}.writer-index-card{min-width:0}.writer-image-link{display:block;width:max-content;margin-inline:auto}.writer-image-link .writer-mark{width:160px;height:160px;transition:transform .18s ease}.writer-image-link:hover .writer-mark{transform:translateY(-4px)}.writer-index-card h2{font-size:24px;line-height:1.6;margin:20px 0 15px;text-align:center}.writer-index-card h2 a:hover{text-decoration:underline;text-underline-offset:5px}.writer-index-card>div>p{font-size:16px;line-height:1.95;margin-bottom:16px}.writer-index-card .writer-more{display:inline-block}
.writer-profile{display:grid;grid-template-columns:210px minmax(0,1fr);gap:48px;align-items:center;max-width:900px;padding:30px 0 52px}.writer-profile>.writer-mark{width:210px;height:210px}.writer-profile h1{font-size:38px;line-height:1.5;margin:4px 0 6px}.writer-profile-text{font-size:20px;line-height:1.95;margin-top:24px}.writer-policy-link{display:block;font-size:12px;color:var(--muted);margin-top:26px;text-decoration:underline;text-underline-offset:4px}.writer-count{font-size:13px;color:var(--muted)}
@media(max-width:1000px){.writer-index{gap:44px 28px}.writer-image-link .writer-mark{width:142px;height:142px}.writer-profile{gap:34px}}
@media(max-width:760px){.writer-index{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px 22px;padding-top:8px}.writer-image-link .writer-mark{width:120px;height:120px}.writer-index-card h2{font-size:20px;margin:16px 0 12px}.writer-index-card>div>p{font-size:16px;line-height:1.85}.writer-index-card .writer-more{font-size:14px}.writer-profile{display:block;padding:12px 0 36px}.writer-profile>.writer-mark{width:164px;height:164px;margin:0 auto 24px}.writer-profile h1{font-size:31px}.writer-profile-text{font-size:18px;line-height:1.95}.writer-note{gap:16px}.writer-note .writer-mark{width:66px;height:66px}.writer-note-name{font-size:19px}.writer-note>div>p:not(.writer-role){font-size:16px}.writer-page .section-heading h2{font-size:20px}.writers-page,.writer-page{padding-bottom:48px}.footer-top nav{gap:14px;flex-wrap:wrap}}
@media(max-width:350px){.writer-index{grid-template-columns:1fr}.writer-index-card{display:grid;grid-template-columns:94px minmax(0,1fr);gap:18px}.writer-image-link .writer-mark{width:94px;height:94px}.writer-index-card h2{text-align:left;margin-top:0}}
@media(prefers-reduced-motion:reduce){.writer-image-link .writer-mark{transition:none}.writer-image-link:hover .writer-mark{transform:none}}

.receipt-sample{max-width:520px;border:1px solid var(--line);border-top:4px solid var(--blue);background:#fafbfc;padding:24px;margin:28px 0;font-variant-numeric:tabular-nums}.receipt-sample p:last-child{margin-bottom:0}

.article-ad-disclosure{font-size:12px;line-height:1.8;color:var(--muted);border-left:3px solid var(--blue);padding-left:10px;margin-top:14px}.advertisement{border:1px solid #cbd8e6;background:#f5f8fc;padding:20px 24px;margin:20px 0 30px}.advertisement .ad-label{display:inline-block;font-size:11px;line-height:1.6;font-weight:700;color:var(--ink);border:1px solid #aebcca;border-radius:2px;padding:1px 7px;margin:0 0 12px}.advertisement .ad-context{font-size:14px;line-height:1.9;margin-bottom:14px}.ad-code a,.ad-preview-link{display:inline-block;color:#fff;background:var(--blue);border-radius:3px;padding:11px 16px;font-size:14px;font-weight:700;line-height:1.7;text-decoration:none}.ad-code a:hover{background:#1c479b}.ad-code img{width:1px;height:1px}.ad-preview-note{display:block;color:var(--muted);font-size:11px;margin-top:9px}.article-opening.text-opening{display:block;max-width:820px}.category-tile.no-photo{border-top:3px solid var(--blue)}.text-story{border-top:3px solid var(--line)}.text-story .story-copy{padding-top:18px}.related-card.text-story{display:block}.search-result.text-result{display:block}@media(max-width:760px){.advertisement{padding:17px}.ad-code a,.ad-preview-link{font-size:14px;padding:11px 14px}}

.editor-introduction{display:grid;grid-template-columns:190px minmax(0,1fr);gap:34px;padding:26px 30px;margin:6px 0 36px;background:var(--pale);border-top:3px solid var(--ink)}.editor-introduction h2{font-size:26px;line-height:1.5;margin:7px 0 0}.editor-introduction>div>p:not(.writer-role){font-size:16px;line-height:1.95;max-width:760px}.editor-links{display:flex;gap:24px;flex-wrap:wrap;font-size:13px;margin-top:16px}.editor-links a,.editor-introduction h2 a:hover{text-decoration:underline;text-underline-offset:4px}.editor-page .editor-reference{font-size:13px;line-height:1.8;margin-top:-8px}.editor-page .listing-heading{padding-bottom:25px}@media(max-width:760px){.editor-introduction{display:block;padding:22px;margin-bottom:28px}.editor-introduction h2{margin-bottom:16px}.editor-links{gap:20px}}

.editor-portrait{width:132px;height:132px;object-fit:contain;border-radius:14px}.editor-introduction .editor-portrait{margin-bottom:16px}.editor-heading{display:flex;align-items:center;gap:26px}.editor-heading .editor-portrait{width:156px;height:156px}.editor-heading h1{margin-top:5px}@media(max-width:760px){.editor-introduction>div:first-child{display:grid;grid-template-columns:90px minmax(0,1fr);grid-template-rows:auto auto;column-gap:18px;align-items:center;margin-bottom:18px}.editor-introduction .editor-portrait{grid-row:1/3;width:90px;height:90px;margin:0}.editor-introduction .writer-role{align-self:end}.editor-introduction h2{margin:2px 0 0;align-self:start}.editor-heading{gap:20px}.editor-heading .editor-portrait{width:118px;height:118px}}

.product-comparison-table{max-width:100%;overflow-x:auto;margin:26px 0 30px;border:1px solid var(--line);border-radius:5px;overscroll-behavior-inline:contain}.product-comparison-table table{width:100%;min-width:640px;border-collapse:collapse;font-size:14px;line-height:1.8;text-align:left}.product-comparison-table th,.product-comparison-table td{padding:14px 16px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);vertical-align:top}.product-comparison-table th{background:var(--pale);font-weight:700}.product-comparison-table tr:last-child td{border-bottom:0}.product-comparison-table tr>:last-child{border-right:0}.product-comparison-table .numeric{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}.product-comparison-table:focus-visible{outline:3px solid var(--blue);outline-offset:3px}@media(max-width:760px){.product-comparison-table table{font-size:13px;min-width:620px}.product-comparison-table th,.product-comparison-table td{padding:12px}}

/* Original article diagrams. All selectors and variables are isolated under hkdiag. */
.hkdiag.hkdiag{--hkdiag-ink:#21354b;--hkdiag-muted:#596c7c;--hkdiag-blue:#285b9c;--hkdiag-gold:#9c631c;--hkdiag-border:#d8e2e9;box-sizing:border-box;display:block;margin:32px 0 38px;padding:25px 24px 20px;border:1px solid var(--hkdiag-border);border-radius:9px;background:#f5f8fa;color:var(--hkdiag-ink);font-family:inherit;font-size:16px;line-height:1.65;letter-spacing:.01em;overflow-wrap:anywhere;break-inside:avoid}
.hkdiag *,.hkdiag *::before,.hkdiag *::after{box-sizing:border-box}
.hkdiag.hkdiag p{margin:0}
.hkdiag.hkdiag .hkdiag-kicker{color:var(--hkdiag-blue);font-size:12px;font-weight:700;letter-spacing:.08em;margin-bottom:7px}
.hkdiag.hkdiag .hkdiag-title{font-size:21px;line-height:1.55;font-weight:800;letter-spacing:.015em;margin-bottom:13px}
.hkdiag.hkdiag .hkdiag-intro{font-size:15px;line-height:1.8;margin-bottom:20px}
.hkdiag.hkdiag .hkdiag-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:19px 0 20px}
.hkdiag.hkdiag .hkdiag-scene{min-width:0;background:#fff;border:1px solid var(--hkdiag-border);border-radius:6px;padding:15px 12px 14px;text-align:center}
.hkdiag.hkdiag .hkdiag-label{font-size:16px;line-height:1.6;font-weight:750;margin:0}
.hkdiag.hkdiag .hkdiag-art{display:block;width:100%;height:auto;max-width:100%;overflow:visible;fill:none;stroke-linecap:round;stroke-linejoin:round;stroke-width:2.3}
.hkdiag.hkdiag .hkdiag-scene .hkdiag-art{margin:6px auto 9px;max-width:330px}
.hkdiag.hkdiag .hkdiag-path-label{font-size:14px;font-weight:700;line-height:1.65}
.hkdiag.hkdiag .hkdiag-line-key{display:inline-block;width:21px;height:4px;background:#a96920;border-radius:2px;margin:0 6px 3px 0;vertical-align:middle}
.hkdiag.hkdiag .hkdiag-small{font-size:13px;line-height:1.65;color:var(--hkdiag-muted);margin-top:5px}
.hkdiag.hkdiag .hkdiag-takeaway{border-left:3px solid var(--hkdiag-blue);background:#e8eff7;padding:12px 14px;font-size:15px;line-height:1.8;font-weight:650;margin-top:20px}
.hkdiag.hkdiag .hkdiag-caption{display:block;font-size:13px;line-height:1.85;color:var(--hkdiag-muted);margin-top:15px;text-align:left;letter-spacing:0}
.hkdiag .hkdiag-paper{fill:#fff;stroke:#53697b}
.hkdiag .hkdiag-soft{fill:#e9eff3;stroke:#53697b}
.hkdiag .hkdiag-blue-tint{fill:#dce9f6;stroke:#285b9c}
.hkdiag .hkdiag-gold-tint{fill:#f6e7cf;stroke:#9c631c}
.hkdiag .hkdiag-blue-fill{fill:#285b9c;stroke:#285b9c}
.hkdiag .hkdiag-gold-fill{fill:#a96920;stroke:#a96920}
.hkdiag .hkdiag-white-line{stroke:#fff;stroke-width:2.8}
.hkdiag .hkdiag-ink-line{fill:none;stroke:#53697b}
.hkdiag .hkdiag-muted-line{fill:none;stroke:#7b8b97}
.hkdiag .hkdiag-blue-line{fill:none;stroke:#285b9c}
.hkdiag .hkdiag-gold-line{fill:none;stroke:#9c631c}
.hkdiag .hkdiag-ground{fill:none;stroke:#d2dce3;stroke-width:1.5}
.hkdiag .hkdiag-cable{fill:none;stroke:#a96920;stroke-width:4}
.hkdiag .hkdiag-dashed{fill:none;stroke:#7b8b97;stroke-width:1.9;stroke-dasharray:5 6}
.hkdiag .hkdiag-dashed-fill{fill:#fff;fill-opacity:.5;stroke:#7b8b97;stroke-width:1.9;stroke-dasharray:5 6}
.hkdiag .hkdiag-arrow{fill:none;stroke:#53697b;stroke-width:2.5}
.hkdiag .hkdiag-blue-dimension{fill:none;stroke:#285b9c;stroke-width:2.4}
.hkdiag .hkdiag-selection{fill:none;stroke:#285b9c;stroke-width:3.5}
.hkdiag .hkdiag-lens{fill:#fff;fill-opacity:.9;stroke:#285b9c;stroke-width:4}
.hkdiag .hkdiag-heavy-line{fill:none;stroke:#285b9c;stroke-width:8}
.hkdiag.hkdiag .hkdiag-box-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(185px,.8fr);gap:20px;align-items:center;margin-top:18px}
.hkdiag.hkdiag .hkdiag-box-drawing{min-width:0;padding-top:4px}
.hkdiag.hkdiag .hkdiag-box-drawing .hkdiag-art{margin:7px auto 0;max-width:460px}
.hkdiag.hkdiag .hkdiag-space-label{font-size:13px;line-height:1.65;text-align:center;color:var(--hkdiag-muted);font-weight:650}
.hkdiag.hkdiag .hkdiag-dimensions{display:grid;gap:15px;min-width:0}
.hkdiag.hkdiag .hkdiag-dimension{padding:13px 15px;border-radius:5px;background:#fff;border:1px solid var(--hkdiag-border);border-left:4px solid var(--hkdiag-blue)}
.hkdiag.hkdiag .hkdiag-dimension-outer{border-left-color:var(--hkdiag-gold)}
.hkdiag.hkdiag .hkdiag-dimension-inner>.hkdiag-label{color:var(--hkdiag-blue)}
.hkdiag.hkdiag .hkdiag-dimension-outer>.hkdiag-label{color:var(--hkdiag-gold)}
.hkdiag.hkdiag .hkdiag-small-inline{display:block;font-size:12px;line-height:1.6;font-weight:500;color:var(--hkdiag-muted);margin-top:2px}
.hkdiag.hkdiag .hkdiag-measures{margin:11px 0 0;font-size:15px;line-height:1.7}
.hkdiag.hkdiag .hkdiag-measures>div{display:flex;justify-content:space-between;gap:14px}
.hkdiag.hkdiag .hkdiag-measures dt{color:var(--hkdiag-muted)}
.hkdiag.hkdiag .hkdiag-measures dd{margin:0;font-weight:750;font-variant-numeric:tabular-nums;white-space:nowrap}
.hkdiag.hkdiag .hkdiag-steps{list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;padding:0;margin:21px 0 0}
.hkdiag.hkdiag .hkdiag-step{position:relative;min-width:0;margin:0;padding:14px 11px 15px;border:1px solid var(--hkdiag-border);border-radius:6px;background:#fff;font-size:14px;line-height:1.8}
.hkdiag.hkdiag .hkdiag-step-heading{display:flex;align-items:center;gap:7px;font-size:14px;line-height:1.55;font-weight:750}
.hkdiag.hkdiag .hkdiag-step-number{display:grid;place-items:center;width:23px;height:23px;flex:0 0 23px;border-radius:50%;background:var(--hkdiag-blue);color:#fff;font-size:12px;letter-spacing:0}
.hkdiag.hkdiag .hkdiag-step .hkdiag-art{margin:12px auto 11px;max-width:224px}
.hkdiag.hkdiag .hkdiag-step-text{font-size:14px;line-height:1.8}
.hkdiag.hkdiag .hkdiag-folder-label{display:inline-block;margin-top:9px;padding:3px 6px;border-radius:3px;background:#e9eff7;font-size:12px;line-height:1.65;color:var(--hkdiag-blue);font-variant-numeric:tabular-nums}
.hkdiag.hkdiag .hkdiag-connection-map{max-width:535px;margin:19px auto 0;text-align:center}
.hkdiag.hkdiag .hkdiag-inputs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}
.hkdiag.hkdiag .hkdiag-input .hkdiag-art{width:135px;margin:0 auto 4px}
.hkdiag.hkdiag .hkdiag-connection-note{font-size:14px;line-height:1.75;margin-top:4px}
.hkdiag.hkdiag .hkdiag-flow-label{font-size:13px;line-height:1.7;font-weight:750;color:var(--hkdiag-blue);margin-top:9px}
.hkdiag.hkdiag .hkdiag-input-power .hkdiag-flow-label{color:var(--hkdiag-gold)}
.hkdiag.hkdiag .hkdiag-flow-label>span{display:block;font-size:25px;line-height:1.2}
.hkdiag.hkdiag .hkdiag-junction{height:26px;position:relative;margin:0 25%;border-left:2px solid var(--hkdiag-blue);border-right:2px solid var(--hkdiag-gold)}
.hkdiag.hkdiag .hkdiag-junction>span{display:block;position:absolute;bottom:0;width:50%;border-bottom:2px solid var(--hkdiag-blue)}
.hkdiag.hkdiag .hkdiag-junction>span+span{right:0;border-color:var(--hkdiag-gold)}
.hkdiag.hkdiag .hkdiag-player{display:flex;justify-content:center;align-items:center;gap:9px;position:relative;max-width:340px;margin:0 auto;padding:10px 12px;border:1px solid #b6c9dc;border-radius:6px;background:#fff}
.hkdiag.hkdiag .hkdiag-player>.hkdiag-art{width:100px;flex:0 0 100px}
.hkdiag.hkdiag .hkdiag-player>div{text-align:left}
.hkdiag.hkdiag .hkdiag-hdmi{position:relative;padding-top:13px;margin:0 auto;display:flex;justify-content:center;align-items:center;gap:13px}
.hkdiag.hkdiag .hkdiag-hdmi>.hkdiag-label{font-size:14px}
.hkdiag.hkdiag .hkdiag-down-arrow{display:block;height:44px;width:3px;background:#53697b;position:relative}
.hkdiag.hkdiag .hkdiag-down-arrow::after{content:"";position:absolute;bottom:0;left:-4px;width:11px;height:11px;border-right:3px solid #53697b;border-bottom:3px solid #53697b;transform:rotate(45deg)}
.hkdiag.hkdiag .hkdiag-television>.hkdiag-art{width:245px;margin:13px auto 1px}
@media(max-width:680px){
.hkdiag.hkdiag{padding:20px 18px 17px}
.hkdiag.hkdiag .hkdiag-title{font-size:20px}
.hkdiag.hkdiag .hkdiag-pair{grid-template-columns:1fr;gap:13px}
.hkdiag.hkdiag .hkdiag-scene{padding:15px 13px}
.hkdiag.hkdiag .hkdiag-scene .hkdiag-art{max-width:310px}
.hkdiag.hkdiag .hkdiag-box-layout{grid-template-columns:1fr;gap:18px}
.hkdiag.hkdiag .hkdiag-box-drawing .hkdiag-art{max-width:390px}
.hkdiag.hkdiag .hkdiag-dimensions{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.hkdiag.hkdiag .hkdiag-dimension{padding:12px 10px}
.hkdiag.hkdiag .hkdiag-measures>div{display:block;margin-top:6px}
.hkdiag.hkdiag .hkdiag-measures dt{font-size:12px;line-height:1.5}
.hkdiag.hkdiag .hkdiag-measures dd{font-size:17px}
.hkdiag.hkdiag .hkdiag-steps{grid-template-columns:1fr;gap:22px}
.hkdiag.hkdiag .hkdiag-step{padding:15px 16px 17px}
.hkdiag.hkdiag .hkdiag-step-heading{font-size:16px}
.hkdiag.hkdiag .hkdiag-step-number{width:26px;height:26px;flex-basis:26px;font-size:13px}
.hkdiag.hkdiag .hkdiag-step+.hkdiag-step::before{content:"";position:absolute;top:-18px;left:calc(50% - 4px);width:9px;height:9px;border-right:2px solid #7b8b97;border-bottom:2px solid #7b8b97;transform:rotate(45deg)}
.hkdiag.hkdiag .hkdiag-step .hkdiag-art{max-width:195px;margin:10px auto}
.hkdiag.hkdiag .hkdiag-step-text{font-size:15px}
.hkdiag.hkdiag .hkdiag-inputs{gap:14px}
.hkdiag.hkdiag .hkdiag-input .hkdiag-art{width:120px;max-width:100%}
.hkdiag.hkdiag .hkdiag-inputs .hkdiag-connection-note{font-size:13px}
.hkdiag.hkdiag .hkdiag-player{gap:5px;padding:10px 8px}
.hkdiag.hkdiag .hkdiag-player>.hkdiag-art{width:78px;flex-basis:78px}
.hkdiag.hkdiag .hkdiag-player .hkdiag-label{font-size:15px}
.hkdiag.hkdiag .hkdiag-player .hkdiag-small{font-size:12px}
}
@media print{
.hkdiag.hkdiag{background:#fff;border-color:#9baeba;break-inside:avoid;print-color-adjust:exact}
}

/* Local proposal: append after v17 style.css. All effects are opt-in and hkdiag-scoped.
   Text, numerical typography, SVG source geometry and mobile flow are unchanged.
   The pencil companion lines use <= 1.5 SVG-unit offsets, never a roughness filter. */
.hkdiag.hkdiag-handdrawn {
  --hkdiag-border: #dedace;
  position: relative;
  background: #faf8f1;
  border-color: #d6d1c3;
  border-radius: 6px 9px 7px 5px / 8px 6px 9px 7px;
  box-shadow: 0 2px 0 #33405408;
}
.hkdiag.hkdiag-handdrawn .hkdiag-pencil-layer {
  pointer-events: none;
}
.hkdiag.hkdiag-handdrawn .hkdiag-sketchline {
  fill: none;
  stroke: #42586b;
  stroke-width: 1.05;
  stroke-opacity: .36;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.hkdiag.hkdiag-handdrawn .hkdiag-caption {
  border-top: 1px dashed #ddd8ca;
  padding-top: 10px;
}
/* Action notes: small dotted-paper scenes, with existing annotations underlined.
   Cables and posture arrows remain the unmodified source strokes. */
.hkdiag.hkdiag-handdrawn.hkdiag-earphones {
  background-color: #f8f7ef;
}
.hkdiag.hkdiag-handdrawn.hkdiag-earphones .hkdiag-scene {
  position: relative;
  background-color: #fffdf6;
  background-image: radial-gradient(#687a851c .65px, transparent .8px);
  background-size: 13px 13px;
  border-color: #d9d4c7;
  border-radius: 4px 8px 6px 3px / 7px 4px 8px 5px;
}
.hkdiag.hkdiag-handdrawn.hkdiag-earphones .hkdiag-scene::after {
  content: "";
  position: absolute;
  inset: 3px 4px 4px 3px;
  border: 1px solid #8478601f;
  border-radius: 6px 3px 8px 5px / 4px 7px 5px 8px;
  pointer-events: none;
}
.hkdiag.hkdiag-handdrawn.hkdiag-earphones .hkdiag-small {
  text-decoration-line: underline;
  text-decoration-color: #c6a96b;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
  text-decoration-skip-ink: auto;
}
.hkdiag.hkdiag-handdrawn.hkdiag-earphones .hkdiag-takeaway {
  background: #f1ecd9;
  border-left-color: #9c631c;
  border-radius: 2px 5px 3px 1px;
}
/* Film notes: two storyboard panels and tiny, purely decorative film notches. */
.hkdiag.hkdiag-handdrawn.hkdiag-sound {
  background: #f6f4ef;
  border-color: #d7d3cc;
}
.hkdiag.hkdiag-handdrawn.hkdiag-sound .hkdiag-scene {
  position: relative;
  background: #fffdf9;
  border-color: #d4d2cb;
  border-radius: 3px 6px 4px 7px / 5px 3px 7px 4px;
  box-shadow: 2px 2px 0 #747f8c0d;
}
.hkdiag.hkdiag-handdrawn.hkdiag-sound .hkdiag-scene::after {
  content: "";
  position: absolute;
  top: -3px;
  right: 13px;
  width: 43px;
  height: 6px;
  border-radius: 1px;
  background: repeating-linear-gradient(90deg, #66788870 0 5px, #faf8f1 5px 9px);
  transform: rotate(-2deg);
  pointer-events: none;
}
.hkdiag.hkdiag-handdrawn.hkdiag-sound .hkdiag-label {
  text-decoration: underline;
  text-decoration-color: #b9cbd9;
  text-decoration-thickness: 3px;
  text-underline-offset: 5px;
}
.hkdiag.hkdiag-handdrawn.hkdiag-sound .hkdiag-small {
  color: #596575;
}
.hkdiag.hkdiag-handdrawn.hkdiag-sound .hkdiag-takeaway {
  background: #ebedf3;
  border-radius: 2px 5px 2px 4px;
}
/* Measuring notes: squared paper behind the box, with separate ruled records.
   No ticks are added to measurement arrows, and numerical positions are untouched. */
.hkdiag.hkdiag-handdrawn.hkdiag-box {
  background: #faf9f2;
}
.hkdiag.hkdiag-handdrawn.hkdiag-box .hkdiag-box-drawing {
  background-color: #fcfbf5;
  background-image: linear-gradient(#618da20d 1px, transparent 1px),
                    linear-gradient(90deg, #618da20d 1px, transparent 1px);
  background-size: 20px 20px;
  border-radius: 3px 5px 4px 2px;
}
.hkdiag.hkdiag-handdrawn.hkdiag-box .hkdiag-dimension {
  background: #fffef8;
  border-top-style: dashed;
  border-right-style: dashed;
  border-bottom-style: dashed;
  border-radius: 3px 6px 2px 4px;
  box-shadow: 2px 2px 0 #6876840a;
}
.hkdiag.hkdiag-handdrawn.hkdiag-box .hkdiag-space-label {
  text-decoration: underline;
  text-decoration-color: #bcb6a2;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}
.hkdiag.hkdiag-handdrawn.hkdiag-box .hkdiag-takeaway {
  background: #eaf0f1;
  border-radius: 1px 4px 3px 2px;
}
/* Photo-saving notes: three soft sticky-note colors with a small tape tab.
   Use ::after because v17 reserves ::before for the mobile step arrows. */
.hkdiag.hkdiag-handdrawn.hkdiag-iphone {
  background: #f8f6ee;
}
.hkdiag.hkdiag-handdrawn.hkdiag-iphone .hkdiag-step {
  background: #fff9dd;
  border-color: #e5dab0;
  border-radius: 2px 5px 4px 1px;
  box-shadow: 2px 3px 0 #5e655a0d;
}
.hkdiag.hkdiag-handdrawn.hkdiag-iphone .hkdiag-step:nth-child(2) {
  background: #f0f6fc;
  border-color: #d0dfed;
  border-radius: 4px 2px 5px 2px;
}
.hkdiag.hkdiag-handdrawn.hkdiag-iphone .hkdiag-step:nth-child(3) {
  background: #f0f6e9;
  border-color: #d8e2cd;
  border-radius: 2px 5px 2px 4px;
}
.hkdiag.hkdiag-handdrawn.hkdiag-iphone .hkdiag-step::after {
  content: "";
  position: absolute;
  top: -6px;
  left: 13px;
  width: 42px;
  height: 12px;
  background: #d7cfb47a;
  border-left: 1px solid #fff9;
  border-right: 1px solid #fff9;
  transform: rotate(-4deg);
  pointer-events: none;
}
.hkdiag.hkdiag-handdrawn.hkdiag-iphone .hkdiag-step:nth-child(2)::after {
  transform: rotate(3deg);
  background: #c4d2dc7a;
}
.hkdiag.hkdiag-handdrawn.hkdiag-iphone .hkdiag-step:nth-child(3)::after {
  transform: rotate(-2deg);
  background: #c8d3b87a;
}
.hkdiag.hkdiag-handdrawn.hkdiag-iphone .hkdiag-folder-label {
  background: #e0eaf5;
  border-radius: 1px 4px 2px 3px;
}
.hkdiag.hkdiag-handdrawn.hkdiag-iphone .hkdiag-takeaway {
  background: #ecefdc;
  border-radius: 3px 1px 5px 2px;
}
/* Wiring notebook: a ruled-paper surface; the communication, power and HDMI
   lines, their joining points and their arrowheads are untouched. */
.hkdiag.hkdiag-handdrawn.hkdiag-tv {
  background: #faf9f3;
}
.hkdiag.hkdiag-handdrawn.hkdiag-tv .hkdiag-connection-map {
  background-image: repeating-linear-gradient(transparent 0 27px, #6584970a 27px 28px);
  background-position: 0 9px;
}
.hkdiag.hkdiag-handdrawn.hkdiag-tv .hkdiag-player {
  background: #fffef8;
  border-color: #b9c8cf;
  border-radius: 4px 7px 5px 3px / 6px 4px 7px 5px;
  box-shadow: 1px 2px 0 #73879712;
}
.hkdiag.hkdiag-handdrawn.hkdiag-tv .hkdiag-input > .hkdiag-label,
.hkdiag.hkdiag-handdrawn.hkdiag-tv .hkdiag-television > .hkdiag-label {
  text-decoration: underline;
  text-decoration-color: #c6cfcf;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}
.hkdiag.hkdiag-handdrawn.hkdiag-tv .hkdiag-takeaway {
  background: #e8eff0;
  border-radius: 2px 5px 3px 1px;
}
/* No geometry, grid, width, font-size or flow overrides at mobile widths.
   The original <=680px rules, including the three mobile down-arrows, remain active. */
@media (max-width: 680px) {
  .hkdiag.hkdiag-handdrawn {
    box-shadow: none;
  }
  .hkdiag.hkdiag-handdrawn.hkdiag-earphones .hkdiag-scene::after {
    inset: 3px;
  }
}
@media print {
  .hkdiag.hkdiag-handdrawn {
    background: #fff;
    box-shadow: none;
  }
  .hkdiag.hkdiag-handdrawn .hkdiag-pencil-layer {
    opacity: .7;
  }
}

.rakuten-advertisement{padding:20px;margin:28px 0 34px}.rakuten-ad-content{overflow-x:auto;display:grid;grid-template-columns:244px minmax(0,1fr);align-items:center;gap:24px}.rakuten-ad-media{width:244px;overflow:visible}.rakuten-ad-code{width:244px}.rakuten-ad-copy{min-width:0}.article-body .rakuten-product-name{font-size:17px;line-height:1.75;font-weight:700;margin:0 0 9px}.article-body .rakuten-store{font-size:12px;color:var(--muted);line-height:1.7;margin:0 0 13px}.article-body .rakuten-condition{font-size:13px;line-height:1.85;margin:0}.rakuten-ad-placeholder{width:240px;min-height:180px;display:flex;flex-direction:column;justify-content:center;gap:12px;padding:20px;background:#eef1f5;color:var(--muted);text-align:center;font-size:14px;line-height:1.7}.rakuten-ad-placeholder span{font-size:12px}.article-body .rakuten-destination{font-size:12px;line-height:1.7;color:var(--muted);margin:0 0 9px}@media(max-width:760px){.rakuten-advertisement{padding:15px}.rakuten-ad-content{grid-template-columns:minmax(0,1fr);gap:16px}.rakuten-ad-media{margin-inline:auto}.article-body .rakuten-product-name{font-size:16px}}

/* Article illustrations retain their complete composition in compact slots. */
.search-result.illustrated-result img{aspect-ratio:3/2;height:auto;object-fit:contain}.related-card .photo-illustration{aspect-ratio:3/2}

/* Product photographs, linked names, and the relevant comparison sit together. */
.article-body .rakuten-product-name{margin:0 0 12px;font-size:18px;line-height:1.65}.article-body .rakuten-comparison-points{margin:0 0 15px;padding-left:1.2em;font-size:14px;line-height:1.85;color:var(--ink)}.article-body .rakuten-comparison-points li{margin:5px 0;padding-left:2px}.rakuten-ad-content{align-items:start}.rakuten-ad-copy{padding-top:4px}.rakuten-inline-ad{display:block}.rakuten-inline-label{display:block;font-size:11px;font-weight:400;color:var(--muted);margin-bottom:4px}.rakuten-inline-ad .rakuten-text-code{font-weight:700}.comparison-store{display:block;margin-top:7px;font-size:12px;line-height:1.7;color:var(--muted)}
.comparison-model{display:block;font-size:13px;margin-top:5px}

/* Article-specific explanations: equations, comparison tables, and sequence. */
.article-visual{margin:30px 0;padding:22px 24px;border:1px solid #cad6df;border-radius:3px;background:#f8fafc;overflow-wrap:anywhere}.article-visual>figcaption{font-size:18px;font-weight:700;line-height:1.7;margin:0 0 14px}.article-body .visual-context{font-size:13px;line-height:1.9;color:#526176;margin:0 0 18px}.article-body .visual-takeaway{font-size:14px;line-height:1.85;margin:18px 0 0;font-weight:700}.lease-total-row{display:grid;grid-template-columns:140px minmax(0,1fr);gap:18px;margin:24px 0}.lease-total-name{display:flex;gap:10px;align-items:start;font-size:13px;line-height:1.8}.lease-total-name>strong{font-size:22px;line-height:1.3}.lease-total-bar{display:flex;width:100%;height:38px;overflow:hidden;border:1px solid #b8c6d8}.lease-total-bar>span{display:flex;justify-content:center;align-items:center;font-size:12px;font-weight:700;white-space:nowrap}.lease-monthly{background:#d8e5f8;color:#1b3964}.lease-bonus{background:#f6ce88;color:#57391c}.article-body .visual-equation{font-size:13px;line-height:1.9;margin:10px 0 0}.visual-table-scroll{overflow-x:auto}.article-visual table{border-collapse:collapse;width:100%;font-size:14px;line-height:1.85}.article-visual th,.article-visual td{text-align:left;border-bottom:1px solid #ccd7df;padding:13px 14px;vertical-align:top}.article-visual thead th{background:#eaf0f6}.distance-cost td{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}.distance-cost .distance-equal{background:#fbefce}.distance-cost .distance-equal th{border-left:3px solid #a97c25}.article-body .lease-timeline-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;list-style:none;padding:0;margin:0 0 18px}.article-body .lease-timeline-steps li{padding:15px;background:#fff;border-top:3px solid #7f9cad;margin:0;font-size:14px;line-height:1.8}.visual-step{display:block;font-size:13px;color:#526176;margin-bottom:9px}.lease-timeline-steps strong{display:block;font-size:15px;line-height:1.8}.article-body .lease-timeline-steps p{font-size:13px;margin:10px 0 0;line-height:1.85}.article-visual.lease-timeline>.visual-context:last-child{margin:0}.lease-exit-memo{background:#fffdf7;border-color:#dccdae}.lease-memo-items{display:grid;grid-template-columns:1fr 1fr;gap:0 24px;margin:0}.lease-memo-items>div{padding:18px 0;border-bottom:1px solid #ded4bf}.lease-memo-items dt{font-weight:700;font-size:15px;line-height:1.8}.lease-memo-items dd{font-size:13px;line-height:1.85;margin:7px 0 0;color:#526176}.album-actions{background:#fffdf9;padding:0}.album-actions th:first-child{min-width:130px}.album-actions td{min-width:190px}.article-illustration{margin:28px 0 38px}.article-illustration>img{width:100%;height:auto;aspect-ratio:3/2;object-fit:contain}.article-illustration figcaption{font-size:13px;line-height:1.9;color:#526176;margin-top:12px}.article-illustration figcaption>span{display:block;font-size:11px;margin-top:5px}.article-photo .photo-illustration{aspect-ratio:3/2}
@media(max-width:760px){.article-visual{padding:18px 15px}.article-visual>figcaption{font-size:17px}.lease-total-row{grid-template-columns:1fr;gap:10px}.lease-total-name{align-items:center}.article-visual th,.article-visual td{padding:11px 10px}.article-visual table{font-size:13px}.article-body .lease-timeline-steps{grid-template-columns:1fr;gap:12px}.lease-memo-items{grid-template-columns:1fr}.album-actions{padding:0}.album-actions th:first-child{min-width:112px}.album-actions td{min-width:180px}}

/* Reading aids for sound routes, map comparison, and ordinary book handling. */
.article-body .visual-step-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;list-style:none;margin:18px 0;padding:0}.article-body .visual-step-cards li{margin:0;padding:15px;background:#fff;border-top:3px solid #6d91a8;line-height:1.85}.visual-step-cards strong{display:block;font-size:15px;line-height:1.85}.article-body .visual-step-cards p{font-size:13px;line-height:1.9;margin:10px 0 0}.article-visual>.visual-context:last-child{margin-bottom:0}.audio-route-note{background:#f5f1f8;border-color:#cfc4dc}.map-comparison-note{background:#f6f8f4;border-color:#bdcabb}.map-comparison-panels{display:grid;grid-template-columns:1fr 1fr;gap:16px}.map-comparison-panels>section{padding:20px;background:#fff;border:1px solid #cbd7c8}.article-body .map-comparison-panels h3{margin:0 0 14px;font-size:17px}.article-body .map-comparison-panels p{font-size:14px;margin:0 0 12px}.article-body .map-comparison-panels .map-anchor-note{font-size:13px;color:#576858;margin:0;border-top:1px solid #d8dfd2;padding-top:12px}.article-body .map-sync-note{font-size:14px;font-weight:700;text-align:center;line-height:1.8;margin:18px 0}.audio-result-pair{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin:20px 0 0}.audio-result-pair>div{border-top:1px solid #b9c9d4;padding-top:12px}.audio-result-pair dt{font-size:14px;font-weight:700;line-height:1.85}.audio-result-pair dd{font-size:13px;line-height:1.85;margin:9px 0 0}.book-handling-steps{background:#f5f7f0;border-color:#cbd3bb}.book-handling-steps .visual-step-cards li{border-color:#8c9f71}.article-body .local-reference{margin:28px 0;padding:16px 20px;border-left:3px solid #cad4dd;background:#f7f9fb}.article-body .local-reference p{font-size:13px;line-height:1.9;margin:0}
@media(max-width:760px){.article-body .visual-step-cards{grid-template-columns:1fr;gap:10px}.map-comparison-panels,.audio-result-pair{grid-template-columns:1fr}.map-comparison-panels>section{padding:16px}}

/* IT/POS article supplements. Reuse existing article-visual and process-strip styles. */
.career-comparison table{min-width:540px}.career-comparison th:first-child{width:29%}.career-comparison td{min-width:90px}.career-comparison td:nth-child(2){min-width:155px}
.visual-table-scroll:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
.learning-dates{border-top:1px solid #c7d5e4;margin-top:20px;padding-top:19px}.article-body .learning-dates p{font-size:13px;line-height:1.85;margin:0 0 13px}.learning-dates table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.8;font-variant-numeric:tabular-nums}.learning-dates th,.learning-dates td{padding:9px 10px;border-bottom:1px solid #c7d5e4;text-align:left}.learning-dates th{font-size:12px}.learning-dates thead th{background:#eaf0f7}.learning-dates td:last-child{font-weight:700}.article-body .learning-dates p:last-child{margin:14px 0 0}
.career-question-items{margin:0}.career-question-items>div{display:grid;grid-template-columns:135px minmax(0,1fr);gap:16px;border-bottom:1px solid #ccd7df;padding:13px 0}.career-question-items dt{font-size:14px;font-weight:700}.career-question-items dd{margin:0;font-size:15px;line-height:1.85}
.pos-candidates table{min-width:520px}.pos-candidates th:first-child{width:26%}.pos-candidates td:nth-child(2){width:22%}
.pos-route-panels{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:20px 0}.pos-route-panel{padding:16px 12px;border:1px solid #c8d4df;background:#fff;min-width:0}.article-body .pos-route-heading{font-size:14px;font-weight:700;line-height:1.7;margin:0 0 16px}.article-body .pos-route{display:grid;grid-template-columns:minmax(0,1fr) 30px minmax(0,1fr);gap:5px;align-items:center;margin:0 0 14px;font-size:13px;line-height:1.6;text-align:center}.pos-route>span:first-child,.pos-route>span:last-child{padding:10px 4px;border:1px solid #c8d4df;background:#f5f8fb}.pos-route-arrow{color:#2458bb;font-size:22px;font-weight:700}.pos-route-stopped>span:first-child,.pos-route-stopped>span:last-child{background:#faf7f1;border-style:dashed}.pos-route-stopped .pos-route-arrow{color:#875a23}.article-body .pos-route-result{font-size:13px;line-height:1.8;margin:0;border-top:1px solid #dbe2e9;padding-top:12px}.pos-money-flow{border-top:2px dashed #9c7c4b;padding-top:17px;margin-top:18px}.article-body .pos-money-flow .pos-route{grid-template-columns:minmax(0,1fr) 85px minmax(0,1fr);max-width:440px;margin-bottom:10px}.pos-money-arrow{color:#795420;font-weight:700;border-bottom:2px dashed #9c7c4b;padding:3px 0}.article-body .pos-money-flow>p:last-child{font-size:13px;line-height:1.85;margin:0}.article-body .pos-reconciliation p{font-size:14px;margin:0 0 8px}.article-body .pos-reconciliation p:last-child{margin:0}
.pos-order-path{margin:28px 0 35px}.pos-order-path .process-strip{margin:0}.article-body .pos-cancel-path{margin:12px 0 0;padding:12px 16px;border-left:3px solid #997448;background:#faf5ed;font-size:13px;line-height:1.85}.pos-cancel-path strong{font-size:13px}
@media(max-width:760px){.career-question-items>div{grid-template-columns:1fr;gap:5px}.career-question-items dd{font-size:14px}.pos-route-panels{grid-template-columns:1fr}.pos-route-panel{padding:16px}.article-body .pos-route{font-size:14px;grid-template-columns:minmax(0,1fr) 30px minmax(0,1fr)}.learning-dates th,.learning-dates td{padding:8px 6px}.learning-dates table{font-size:13px}.learning-dates th{font-size:13px}.article-body .pos-cancel-path{padding:12px;font-size:12px}}

/* Health / family article visuals. Requires the existing .article-visual styles. */
.hf-paths,.hf-memo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.hf-path,.hf-memo-grid>div{background:#fff;padding:16px;border:1px solid #d4dfe4}
.article-body .hf-path h3{font-size:16px;line-height:1.7;margin:0 0 12px}
.hf-requirement{padding:12px;background:#eef3f6;border-left:3px solid #7896a1;font-size:14px;line-height:1.85}
.hf-requirement strong,.hf-application strong{display:block}
.hf-arrow{display:block;text-align:center;font-size:20px;line-height:1.4;color:#536e79;padding:5px}
.hf-application{margin-top:16px;padding:15px;border:2px solid #79969b;background:#edf5f2;font-size:14px;line-height:1.85;text-align:center}
.hf-memo-grid{margin:0}
.hf-memo-grid dt{font-size:14px;font-weight:700;line-height:1.7}
.hf-memo-grid dd{font-size:13px;line-height:1.85;margin:9px 0 0;color:#425566}
.hf-write-line{display:block;margin-top:6px;border-bottom:1px solid #bcc9d0;min-height:20px}
.hf-memo-grid .hf-wide{grid-column:1/-1}
.hf-balance-row{display:grid;grid-template-columns:3em minmax(80px,1fr) 7em;gap:14px;align-items:center;margin:16px 0;font-size:14px;line-height:1.8}
.hf-balance-axis{display:grid;grid-template-columns:1fr 1fr;height:24px;position:relative}
.hf-balance-axis:after{content:"";position:absolute;left:50%;top:-5px;bottom:-5px;border-left:1px solid #78909b}
.hf-bar-minus{grid-column:1;background:#b67554;margin-left:20%}
.hf-bar-plus{grid-column:2;background:#537f76;margin-right:20%}
.hf-balance-value{text-align:right;font-variant-numeric:tabular-nums;font-weight:700}
.hf-balance-note{padding:14px 16px;background:#fff;border-left:3px solid #b67554;font-size:14px;line-height:1.9}
.hf-balance-note strong{display:block}
.hf-comparison-table{min-width:620px}
.hf-comparison-table th:first-child{width:16%}
.hf-price{display:block;font-weight:700;font-size:17px;line-height:1.7;font-variant-numeric:tabular-nums}
.hf-detail{display:block;margin-top:6px;font-size:12px;line-height:1.85;color:#425566}
.article-body .hf-week{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.article-body .hf-week li{margin:0;padding:15px;background:#fff;border-top:3px solid #819ca8;font-size:13px;line-height:1.9}
.hf-week strong,.hf-week span{display:block}
.hf-week strong{font-size:15px;margin-bottom:9px}
.hf-week .hf-deadline{border-top-color:#ae7c50;background:#fffaf2}
.hf-memo-pairs td:first-child{width:42%;background:#fffdf7}
.hf-price-note{margin-top:18px;padding:15px;background:#fff;border:1px solid #d4dfe4;font-size:14px;line-height:1.9}
.hf-price-note strong{font-variant-numeric:tabular-nums}
.hf-date-roles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:18px 0 0}
.hf-date-roles>div{background:#fff;border-top:3px solid #819ca8;padding:13px;font-size:13px;line-height:1.8}
.hf-date-roles strong{display:block;margin-bottom:6px;font-size:14px}
@media(max-width:760px){.hf-paths,.hf-memo-grid,.article-body .hf-week,.hf-date-roles{grid-template-columns:1fr}.hf-memo-grid .hf-wide{grid-column:auto}.hf-balance-row{gap:9px;grid-template-columns:2.7em minmax(60px,1fr) 6.5em;font-size:13px}.hf-comparison-table{min-width:580px}.hf-price{font-size:16px}.hf-memo-pairs th,.hf-memo-pairs td{min-width:140px}}

/* Supplied photographs are credited separately from illustrative artwork. */
.provided-photo-sequence{margin:30px 0;border-block:1px solid #cbd6df;padding:20px 0}.provided-photo-sequence>figcaption{font-size:17px;font-weight:700;line-height:1.8;margin-bottom:16px}.provided-photo-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.provided-photo-grid img{width:100%;height:auto;aspect-ratio:4/3;object-fit:contain}.article-body .provided-photo-grid p{font-size:13px;line-height:1.8;margin:9px 0 0}.provided-photo-grid p span{font-weight:700;margin-right:3px}.article-body .provided-photo-credit{font-size:12px;line-height:1.8;color:var(--muted);margin:14px 0 0}.provided-console-photo{max-width:500px;margin:28px auto 34px}.console-photo-frame{aspect-ratio:2/1;overflow:hidden;background:#eef0f1}.console-photo-frame img{width:100%;height:100%;object-fit:cover;object-position:35% 80%}.provided-console-photo figcaption{font-size:12px;line-height:1.85;color:var(--muted);margin-top:9px}
@media(max-width:540px){.provided-photo-grid{grid-template-columns:1fr;gap:20px}.provided-photo-grid img{max-width:420px}.provided-photo-sequence>figcaption{font-size:16px}}

/* Approved wordmark: original pixels retained, only its displayed frame is fitted. */
.masthead{min-height:126px;padding-block:8px;gap:28px}.brand-heading{display:block;margin:0;line-height:1}.brand-logo-frame{display:block;overflow:hidden;aspect-ratio:2.45/1;background:#fff}.brand-logo-frame img{display:block;width:100%;height:100%;max-width:none;object-fit:cover;object-position:50% 52.3%}.brand-logo-header{width:256px}.brand-logo-footer{width:188px}.brand:hover,.footer-brand:hover{color:inherit}.header-search{background:#f6faff;border-color:#cbddeb;border-radius:13px}.header-search input{font-size:14px;padding:12px 15px}.header-search button{border-radius:0 12px 12px 0;color:var(--blue)}.header-search:focus-within{border-color:#0877d8}.all-link:hover,.subject-nav a:hover{color:var(--blue)}.subject-nav{background:#fff;border-top-color:#e8f0f6}.subject-nav a{border-bottom-width:3px}.subject-nav a[aria-current]{color:var(--blue);border-color:#0877d8}.section-heading{border-bottom-color:#c6d9e9}.section-heading h2{color:var(--ink)}.section-heading h2::before{content:"";display:inline-block;width:5px;height:1em;margin-right:10px;vertical-align:-.06em;border-radius:8px;background:#0877d8}.photo{border-radius:9px}.category-tile,.topic-index a{border-radius:10px;overflow:hidden}.category-tile>img{border-radius:7px}.filter-links a{border-radius:9px}.filter-links a[aria-current]{background:var(--blue)}.pagination a,.page-current{border-radius:11px;min-width:42px;min-height:42px}.page-current{background:var(--blue);border-color:var(--blue)}.search-controls{border-radius:12px}.search-controls input,.search-controls select{border-radius:9px;border-color:#b6cede}.search-controls button{border-radius:9px}.article-body h2{border-top-color:#b8d3e8}.site-footer{background:#fff;border-top:2px solid #d7e6f2;padding-top:22px}.footer-brand{display:inline-block;line-height:1}.footer-top p{margin-top:5px}.footer-bottom{border-top-color:#e0eaf2}.footer-top nav a:hover{color:var(--blue)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline-color:#0877d8}
@media(max-width:760px){.masthead{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px 15px;min-height:0;padding-block:12px 14px;align-items:center}.brand{grid-column:1;grid-row:1;min-width:0}.brand-logo-header{width:190px;max-width:100%}.brand-logo-footer{width:166px}.header-tools{display:contents}.all-link{grid-column:2;grid-row:1;align-self:center;font-size:12px;white-space:nowrap}.header-search{grid-column:1/-1;grid-row:2;order:initial;width:100%;margin:0}.header-search input{font-size:14px;padding:11px 12px}.header-search button{width:42px;height:42px}.subject-nav a{font-size:12px;padding-block:13px 11px}.section-heading h2::before{width:4px;margin-right:8px}.pagination a,.page-current{min-width:38px;min-height:42px}.site-footer{padding-top:20px}.footer-top nav{margin-top:18px}}

/* Official advertising creatives retain their supplied dimensions and original code. */
.ad-banner-scroll{max-width:100%;overflow-x:auto;margin:20px 0}.ad-banner-code{line-height:0}.ad-banner-code>a{display:block;width:max-content}.ad-banner-code img{max-width:none;vertical-align:top}.ad-banner-preview{display:grid;place-content:center;min-height:inherit;width:100%;background:#f1f5f9;color:#415669;border:1px dashed #8aa1b7;font-size:14px;line-height:1.8;text-align:center}.ad-banner-scroll:focus-visible{outline:3px solid var(--blue);outline-offset:3px}

/* Supplied photographs accompany specific examples without changing the article artwork. */
.provided-article-photo{max-width:560px;margin:30px auto 36px}.provided-article-photo>img{display:block;width:100%;height:auto;object-fit:contain}.provided-article-photo figcaption{font-size:13px;line-height:1.85;color:var(--muted);margin-top:10px}.provided-article-photo figcaption span{display:block;font-size:12px;margin-top:5px}.provided-article-photo-portrait{max-width:320px}
@media(max-width:760px){.provided-article-photo{margin-block:24px 30px}}

.body-illustration{margin:28px 0 34px}.body-illustration>img{display:block;width:100%;height:auto}.body-illustration figcaption{font-size:13px;line-height:1.9;color:var(--muted);margin-top:12px}.body-illustration figcaption span{display:block;font-size:12px;margin-top:5px}.book-care-boundary dl{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);gap:0 20px;margin:0}.book-care-boundary dt,.book-care-boundary dd{padding:14px 0;border-top:1px solid var(--line);font-size:14px;line-height:1.8}.book-care-boundary dt{font-weight:700}.book-care-boundary dd{margin:0}@media(max-width:540px){.book-care-boundary dl{display:block}.book-care-boundary dd{border:0;padding-top:0}.body-illustration figcaption{font-size:13px}}

.article-body [aria-labelledby="distance-year-title"] table{min-width:30rem}
.article-body [aria-labelledby="distance-year-title"] tbody td{white-space:nowrap}
.article-body [aria-labelledby="lease-exit-compare"] table{min-width:34rem}
.article-body [aria-labelledby="lease-exit-compare"] tbody td{white-space:nowrap}
.article-body [aria-label="架空のクラス1回分の固定費"] table{min-width:24rem}
.article-body [aria-label="架空のクラス1回分の固定費"] tbody td:nth-child(2){white-space:nowrap;min-width:5.5em}

/* Context links stay beside the question they answer; related cards explain the next step. */
.article-body .related-in-context{margin:26px 0 30px;padding:15px 19px;border-left:3px solid var(--blue);background:#f3f8fc;font-size:15px;line-height:1.95}
.article-body .related-in-context a{font-weight:700;text-underline-offset:4px}
.related-card .next-question{font-size:14px;line-height:1.8;margin:0;padding-bottom:12px}
.related-card .related-reason{font-size:14px;line-height:1.9;color:var(--muted);margin:12px 0 0}
.related-card .story-kicker span+span{display:none}
@media(max-width:760px){.article-body .related-in-context{padding:14px 15px}.related-card .related-reason{font-size:14px}.related-card .next-question{font-size:15px}}

/* Broad reading goals preserve the existing, more specific topic URLs. */
.reader-goal-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 30px;border-top:1px solid var(--line)}
.reader-goal-links>a{display:block;padding:22px 0;border-bottom:1px solid var(--line)}
.reader-goal-links strong{display:block;font-size:19px;line-height:1.6;color:var(--blue)}
.reader-goal-links span{display:block;font-size:14px;line-height:1.8;color:var(--muted);margin-top:7px}
.reader-goal-links>a:hover strong{text-decoration:underline;text-underline-offset:4px}
.reader-goal-nav{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 42px}
.reader-goal-nav a{border:1px solid #bfd2e1;border-radius:9px;padding:11px 16px;font-size:15px;line-height:1.5;color:var(--blue)}
.reader-goal-group{padding-top:24px;border-top:2px solid #b8d3e8;margin:0 0 48px;scroll-margin-top:24px}
.reader-goal-group header h2{font-size:25px;line-height:1.6;margin:0}
.reader-goal-group header p{font-size:15px;line-height:1.9;color:var(--muted);margin:9px 0 22px}
.goal-article-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 32px;list-style:none;margin:0;padding:0}
.goal-article-list li{padding:19px 0;border-top:1px solid var(--line);min-width:0}
.goal-category{display:block;font-size:13px;line-height:1.6;color:var(--muted);margin-bottom:7px}
.goal-article-list a{font-size:16px;line-height:1.8;font-weight:600;text-decoration:underline;text-underline-offset:4px}
.detailed-topics{margin:10px 0 60px;padding-top:24px;border-top:1px solid var(--line)}
.detailed-topics h2{font-size:18px;line-height:1.7;margin:0 0 16px}
@media(max-width:760px){.reader-goal-links,.goal-article-list{grid-template-columns:1fr}.reader-goal-links>a{padding:19px 0}.reader-goal-links strong{font-size:18px}.reader-goal-nav{gap:8px;margin-bottom:30px}.reader-goal-nav a{font-size:14px;padding:10px 12px}.reader-goal-group header h2{font-size:22px}.goal-article-list li{padding:17px 0}.reader-goal-group{margin-bottom:38px}}

/* Keep trial prices readable within the table's own horizontal scroll. */
.article-body [aria-label="3ジムの初回体験の掲載内容"] table{min-width:36rem}
.article-body [aria-label="3ジムの初回体験の掲載内容"] th[scope="row"]{white-space:nowrap}
.article-body [aria-label="3ジムの初回体験の掲載内容"] .table-amount{white-space:nowrap}

/* The editor's publications sit with the writer introduction and profile. */
.editor-promotion{margin:6px 0 38px;padding:26px 28px;border:1px solid #c9dae6;border-top:3px solid var(--blue);border-radius:10px;background:#f5f9fc}
.editor-promotion-heading{display:flex;gap:23px;align-items:flex-start;margin-bottom:23px}
.editor-promotion-heading>.editor-portrait{width:96px;height:96px;flex:0 0 96px}
.editor-promotion h2{font-size:1.4375rem;line-height:1.6;margin:0;padding:0;border:0;letter-spacing:0;scroll-margin-top:24px}
.editor-promotion-heading p{font-size:1rem;line-height:1.9;margin:10px 0 0;color:var(--muted)}
.editor-publication-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.editor-publication-card{display:flex;flex-direction:column;gap:12px;padding:18px;min-width:0;border:1px solid #d6e1e9;border-radius:8px;background:#fff;text-decoration:none!important}
.editor-publication-kind{font-size:.875rem;line-height:1.5;color:var(--muted)}
.editor-publication-card strong{font-size:1.0625rem;line-height:1.65;font-weight:700;color:var(--ink);overflow-wrap:anywhere}
.editor-publication-description{font-size:.875rem;line-height:1.8;color:var(--muted)}
.editor-publication-action{margin-top:auto;padding-top:8px;font-size:.875rem;line-height:1.7;color:var(--blue);text-decoration:underline;text-underline-offset:4px}
.editor-publication-card:hover{border-color:#82b6da}.editor-publication-card:hover strong{color:var(--blue)}
.editor-promotion-more{font-size:.875rem;line-height:1.8;margin:18px 0 0!important;text-align:right}
.editor-promotion-more a{text-decoration:underline;text-underline-offset:4px}
.article-colophon .editor-discovery{margin-top:14px;font-size:.875rem;line-height:1.8}
.editor-discovery a{display:inline-block;padding:5px 0;text-decoration:underline;text-underline-offset:4px}
@media(max-width:760px){.editor-promotion{padding:20px;margin-bottom:28px}.editor-promotion-heading{gap:16px;margin-bottom:20px}.editor-promotion-heading>.editor-portrait{width:72px;height:72px;flex-basis:72px}.editor-promotion h2{font-size:1.25rem}.editor-publication-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.editor-publication-card{padding:16px}.editor-publication-card strong{font-size:1rem}.editor-note-card{grid-column:1/-1}.editor-note-card .editor-publication-action{padding-top:0}.editor-promotion-more{text-align:left}}
@media(max-width:600px){.editor-publication-grid{grid-template-columns:minmax(0,1fr)}.editor-note-card{grid-column:auto}.editor-promotion-heading{display:block}.editor-promotion-heading>.editor-portrait{margin-bottom:12px}}
@media(max-width:380px){.editor-promotion{padding:17px}}

/* The global navigation uses reader goals; detailed subject filters stay on listings. */
.purpose-nav .shell{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0}
.purpose-nav a{display:flex;align-items:center;justify-content:center;min-height:54px;padding:15px 12px 12px;font-size:14px;line-height:1.6;text-align:center;white-space:normal}
.purpose-nav a:hover{background:var(--pale);border-bottom-color:var(--blue)}
@media(max-width:760px){
.purpose-nav .shell{width:calc(100% - 36px);grid-template-columns:repeat(2,minmax(0,1fr));padding:0;gap:0;overflow:visible}
.purpose-nav a{min-height:48px;padding:12px 6px 9px;font-size:14px;line-height:1.6}
.purpose-nav a:nth-child(-n+2){border-bottom-color:var(--line)}
.purpose-nav a:hover{border-bottom-color:var(--blue)}
}

/* Reader navigation: one primary purpose axis, broad subjects, optional detail. */
.home>.recent-shelf:first-child{margin-top:0}.home>.front-feature{margin-top:60px}
.reader-goal-links small{color:var(--muted);font-size:13px;font-weight:400;white-space:nowrap;margin-left:8px}
.browse-group-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.browse-group{min-width:0;border-top:3px solid #b8d3e8;padding:19px 0 0}.browse-group h3{font-size:21px;line-height:1.6}.browse-group h3 a{display:flex;gap:10px;align-items:baseline;justify-content:space-between}.browse-group h3 span{font-size:13px;font-weight:400;color:var(--muted);white-space:nowrap}.browse-group>p{font-size:13px;line-height:1.8;color:var(--muted);margin:8px 0 13px}.browse-group ul{margin:0;padding:0;list-style:none}.browse-group li a{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:46px;border-bottom:1px solid var(--line);font-size:14px}.browse-group li span{color:var(--muted);font-size:12px}.browse-group a:hover,.article-return a:hover{text-decoration:underline;text-underline-offset:4px}
.broad-filter-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:0 0 25px}.broad-filter-links a{padding:15px 17px;border:1px solid var(--line);border-radius:9px}.broad-filter-links strong{display:block;font-size:16px;line-height:1.6}.broad-filter-links span{display:block;font-size:12px;line-height:1.7;color:var(--muted);margin-top:7px}
.purpose-filters>p{font-size:13px;font-weight:700;margin-bottom:9px}.purpose-filters .filter-links{padding:0 0 18px;border:0}.filter-links a{min-height:44px;display:inline-flex;align-items:center;font-size:13px}
.browse-details{margin:5px 0 24px;border-block:1px solid var(--line)}.browse-details summary{padding:15px 0;cursor:pointer;font-size:14px;line-height:1.7;font-weight:600;color:var(--muted)}.browse-details[open] summary{color:var(--ink)}.browse-details .filter-links{padding:0 0 18px;border:0}.listing-status{display:flex;gap:14px;justify-content:space-between;align-items:center}.listing-status>a{font-size:13px;text-decoration:underline;text-underline-offset:3px}
.reader-goal-nav a span{font-size:12px;margin-left:6px;color:var(--muted)}.reader-goal-group>header{display:flex;align-items:baseline;flex-wrap:wrap;gap:0 14px}.reader-goal-group>header p{flex-basis:100%}.goal-count{font-size:14px;color:var(--muted)}.goal-subject{margin:0 0 28px}.goal-subject h3{font-size:17px;line-height:1.6;border-bottom:1px solid #b8d3e8;padding-bottom:11px}.goal-subject h3 a{display:inline-flex;align-items:baseline;gap:10px;min-height:30px}.goal-subject h3 span{font-size:12px;font-weight:400;color:var(--muted)}.goal-article-list li{padding:15px 0}.goal-category{font-size:12px;margin-bottom:4px}.goal-article-list a{display:block;min-height:44px}.back-to-goals{margin-top:18px;font-size:13px}.back-to-goals a{display:inline-flex;align-items:center;min-height:44px;color:var(--blue);text-decoration:underline;text-underline-offset:4px}
.reading-grid .related-section{margin:45px 0 18px}.reading-grid .related-grid{grid-template-columns:minmax(0,1fr);gap:24px}.reading-grid .related-card{grid-template-columns:106px minmax(0,1fr)}.reading-grid .related-card .photo{aspect-ratio:1.3}.related-card .next-question a{display:block;text-decoration:underline;text-underline-offset:4px;min-height:44px;padding:7px 0}.related-card .next-question a:hover{color:#074b87}.article-return{display:flex;flex-wrap:wrap;gap:8px 24px;padding:17px 0;margin-bottom:30px;border-block:1px solid var(--line);font-size:14px}.article-return a{display:inline-flex;align-items:center;min-height:44px;color:var(--blue)}
.search-controls .browse-details{margin-top:20px;margin-bottom:0}.search-controls .browse-details .select-controls{margin-top:0;padding-bottom:20px}.search-bottom{display:flex;align-items:baseline;justify-content:space-between;gap:18px}.search-bottom>a{white-space:nowrap;font-size:13px;min-height:44px;padding-top:15px;color:var(--blue);text-decoration:underline}.search-controls option:disabled{color:#9ca7af}
@media(max-width:760px){.browse-group-grid{grid-template-columns:1fr;gap:26px}.browse-group h3{font-size:19px}.broad-filter-links{grid-template-columns:1fr;gap:10px}.broad-filter-links a{padding:12px 15px}.broad-filter-links span{margin-top:3px}.home-recent-grid{gap:23px}.home-recent-grid>.story-card{display:grid;grid-template-columns:106px minmax(0,1fr);gap:14px;align-items:start;padding-bottom:22px;border-bottom:1px solid var(--line)}.home-recent-grid .story-copy{padding:0}.home-recent-grid .photo{aspect-ratio:1.1}.home-recent-grid h2{font-size:16px;margin-top:7px;line-height:1.7}.home-recent-grid .story-summary{display:none}.home-recent-grid .story-kicker{font-size:11px;flex-wrap:wrap}.home-recent-grid .story-kicker span+span{display:none}.home-recent-grid .story-meta{font-size:10px;margin-top:9px}.goal-subject h3{font-size:16px}.goal-article-list li{padding:14px 0}.search-bottom{display:block}.search-bottom>a{display:inline-flex;padding-top:0;align-items:center}.listing-status{align-items:flex-start}.reading-grid .related-section .section-heading{align-items:flex-start}.reading-grid .related-section .section-heading a{white-space:normal;line-height:1.7;max-width:45%}.reading-grid .related-card{gap:12px}.reader-goal-links strong{font-size:18px}}
.legacy-browse-link{margin-top:17px;font-size:13px}.legacy-browse-link a{display:inline-flex;align-items:center;min-height:44px;color:var(--muted);text-decoration:underline;text-underline-offset:3px}.subject-filter-links{margin-bottom:23px}.article-topics .article-subject{font-size:13px;min-height:36px;padding:7px 11px;background:var(--pale);border-radius:6px;margin-right:4px}.article-topics{align-items:center}.search-controls>.select-controls{grid-template-columns:repeat(3,minmax(0,1fr))}.search-controls>.select-controls>div{min-width:0}@media(max-width:760px){.search-controls>.select-controls{grid-template-columns:1fr}.search-controls select{max-width:100%}}

/* Public social links: the site account is prominent; editor accounts stay with the editor. */
.header-social-link{display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:9px 13px;border:1px solid #bad5e9;border-radius:9px;background:#f0f7fd;color:var(--ink);flex-shrink:0}
.header-social-mark{display:grid;place-items:center;width:25px;height:25px;border-radius:5px;background:var(--ink);color:#fff;font-size:17px;line-height:1;font-weight:700}
.header-social-account{display:block;font-size:11px;line-height:1.45;color:var(--muted)}
.header-social-link strong{display:block;font-size:13px;line-height:1.6;color:var(--blue)}
.header-social-link:hover{border-color:var(--blue);background:#e5f2fd}
.editor-social{margin-top:20px;padding-top:17px;border-top:1px solid #d6e1e9;display:flex;align-items:center;gap:12px 20px;flex-wrap:wrap}
.editor-social .editor-social-label{font-size:.875rem;line-height:1.7;font-weight:700;color:var(--muted);margin:0}
.editor-social-links{display:flex;flex-wrap:wrap;gap:8px}
.editor-social-links a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;min-width:62px;padding:9px 14px;border:1px solid #c5d8e7;border-radius:7px;background:#fff;color:var(--blue);font-size:.875rem;line-height:1.6;font-weight:700;text-decoration:none}
.editor-social-links a:hover{border-color:var(--blue);background:#eef6fd}
@media(min-width:761px) and (max-width:1000px){.masthead{gap:20px}.brand-logo-header{width:230px}.header-tools{gap:12px}.header-search input{width:150px}.header-social-link{padding:8px 10px;gap:8px}}
@media(max-width:760px){.header-social-link{grid-column:2;grid-row:1;padding:8px 9px;gap:7px;min-height:48px}.header-social-mark{width:23px;height:23px;font-size:16px}.header-social-account{font-size:10px}.header-social-link strong{font-size:12px}.header-search{grid-column:1;grid-row:2;min-width:0}.all-link{grid-column:2;grid-row:2;justify-self:end;min-height:44px;display:inline-flex;align-items:center}.editor-social{display:block}.editor-social .editor-social-label{margin-bottom:10px}.editor-social-links{gap:8px}.editor-social-links a{padding-inline:13px}}
.home>.compact-subject-shelf{margin-top:0}.compact-subject-shelf .browse-group{padding:12px 15px;border:1px solid #cbdde9;border-radius:8px;background:#f8fbfd}.compact-subject-shelf .browse-group h3{font-size:17px}.compact-subject-shelf .browse-group>p{font-size:12px;margin-bottom:0}.compact-subject-shelf+.recent-shelf{margin-top:34px}.browse-details>.browse-group-grid{padding-bottom:20px}@media(max-width:760px){.compact-subject-shelf .browse-group-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.compact-subject-shelf .browse-group{padding:10px 7px}.compact-subject-shelf .browse-group h3{font-size:13px;text-align:center}.compact-subject-shelf .browse-group h3 a{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:3px;min-height:54px}.compact-subject-shelf .browse-group h3 span{font-size:11px}.compact-subject-shelf .browse-group>p{display:none}.compact-subject-shelf+.recent-shelf{margin-top:27px}}

/* AI learning: functional editorial diagrams, not exam UI reproductions. */
.article-body .hkdiag{margin:30px 0;padding:26px;background:#f2f7fb;border:1px solid #c8dbea;border-radius:12px}.article-body .hkdiag-kicker{font-size:14px;color:#366385;font-weight:700;margin:0 0 7px}.article-body .hkdiag-title{font-size:23px;line-height:1.65;font-weight:700;margin:0 0 20px}.article-body .hkdiag ol{list-style:none;counter-reset:learning-steps;margin:0;padding:0}.article-body .hkdiag li{counter-increment:learning-steps;position:relative;margin:14px 0;padding:16px 18px 16px 62px;border:1px solid #d1dde6;border-radius:7px;background:white;font-size:16px;line-height:1.8}.article-body .hkdiag li:before{content:counter(learning-steps);position:absolute;left:20px;top:18px;color:#2767a5;font-size:24px;font-weight:700}.article-body .hkdiag figcaption{font-size:14px;line-height:1.7;margin-top:16px;color:#526577}@media(max-width:600px){.article-body .hkdiag{padding:18px}.article-body .hkdiag-title{font-size:21px}.article-body .hkdiag li{padding-left:50px}.article-body .hkdiag li:before{left:16px}}

/* Compact recent stories occupy a full row on narrow screens. */
@media(max-width:760px){.home-recent-grid{grid-template-columns:minmax(0,1fr)}.home-recent-grid .story-copy{min-width:0}.home-recent-grid .story-meta{flex-wrap:wrap}}

/* English navigation uses two links, so it does not share the Japanese search grid. */
@media(max-width:760px){html[lang="en"] .masthead{display:flex;flex-wrap:wrap;gap:12px}html[lang="en"] .header-tools{display:flex;flex:1 0 100%;justify-content:flex-end;gap:20px;margin:0}html[lang="en"] .header-tools .all-link{display:inline-flex;min-height:44px;align-items:center}html[lang="en"] .article-meta{margin-bottom:12px}}

/* Warm editorial palette. Colour supports the labelled navigation and ad structure. */
.site-header{background:var(--cream)}
.masthead{padding-block:12px}
.header-search{background:var(--paper);border-color:var(--line)}
.header-search:focus-within{border-color:var(--forest)}
.header-search button{color:var(--forest)}
.subject-nav{background:var(--pale);border-color:var(--line)}
.purpose-nav a{color:var(--forest-dark);border-bottom-color:transparent}
.purpose-nav a:hover,.purpose-nav a[aria-current]{color:var(--forest-dark);background:#e1e9db;border-bottom-color:var(--forest)}
.header-social-link{background:var(--paper);border-color:var(--line)}
.header-social-link:hover{background:var(--pale);border-color:var(--forest)}
.header-social-link strong{color:var(--forest)}
.brand-rule{background:linear-gradient(90deg,var(--forest) 75%,var(--amber) 75%)}
.section-heading{border-bottom-color:var(--line)}
.section-heading h2{color:var(--forest-dark)}
.section-heading h2::before{background:var(--forest)}
.section-heading>a,.eyebrow{color:var(--forest)}
.listing-heading h1,.article-opening h1{color:var(--ink)}
.article-opening{border-bottom-color:var(--line)}
.article-body h2{color:var(--forest-dark);border-top-color:#a9bda5}
.article-body h3{color:var(--forest-dark)}
.article-body a{color:var(--forest-dark);text-decoration-thickness:1px}
.article-body a:hover{color:var(--copper-dark);text-decoration-thickness:2px}
.article-topics .article-subject{background:var(--pale);border:1px solid var(--line)}
.article-ad-disclosure{color:var(--muted);border-left-color:var(--copper)}
.article-toc{border-top-color:var(--forest)}
.article-colophon,.search-controls,.editor-introduction{background:var(--cream)}
.article-body .related-in-context{background:var(--pale);border-left-color:var(--forest)}
.related-card .next-question a:hover{color:var(--forest-dark)}
.example-memo{background:var(--pale);border-color:var(--line);border-top-color:var(--forest)}
.calculation{background:var(--pale);border-left-color:var(--forest)}
.care-note{background:#fcf3e8;border-left-color:var(--copper)}
.product-comparison-table,.product-comparison-table th,.product-comparison-table td{border-color:var(--line)}
.product-comparison-table th{background:var(--pale);color:var(--forest-dark)}
.product-comparison-table tbody tr:nth-child(even){background:#faf9f3}
.filter-links a{background:var(--pale);border:1px solid var(--line)}
.filter-links a[aria-current]{background:var(--forest);border-color:var(--forest);color:#fff}
.pagination a,.page-current{border-color:var(--line)}
.page-current{background:var(--forest);border-color:var(--forest)}
.search-controls input,.search-controls select{border-color:#b5c2b1;background:var(--paper)}
.search-controls button{background:var(--forest)}
.search-controls button:hover{background:var(--forest-dark)}
.category-tile,.broad-filter-links a,.topic-index a{background:var(--paper);border-color:var(--line)}
.category-tile:hover,.broad-filter-links a:hover,.topic-index a:hover{background:var(--pale);border-color:var(--forest)}
.reader-goal-group{border-top-color:#a9bda5}
.reader-goal-nav a{border-color:#b5c2b1;background:var(--paper)}
.reader-goal-nav a:hover{background:var(--pale);border-color:var(--forest)}
.goal-subject h3{border-bottom-color:var(--line)}
.reader-goal-links{gap:14px;border-top:0}
.reader-goal-links>a{padding:22px 24px;background:var(--cream);border:1px solid var(--line);border-radius:12px}
.reader-goal-links>a:hover{background:var(--pale);border-color:var(--forest)}
.reader-goal-links strong{color:var(--forest-dark)}
.reader-goal-links strong::after{content:" →";white-space:nowrap}
.home-entry-heading{margin-bottom:20px}
.home-entry-heading h2{font-size:25px;line-height:1.6;color:var(--forest-dark)}
.home-entry-heading p{font-size:14px;line-height:1.9;color:var(--muted);margin-top:6px}
.compact-subject-shelf .browse-group{padding:20px 22px;border:1px solid #c8d4c1;border-top:4px solid var(--forest);background:var(--cream);border-radius:12px}
.compact-subject-shelf .browse-group h3{font-size:19px;color:var(--forest-dark)}
.compact-subject-shelf .browse-group h3 a{min-height:36px}
.compact-subject-shelf .browse-group h3 a::after{content:"→";font-size:18px}
.compact-subject-shelf .browse-group h3 a span{margin-left:auto}
.compact-subject-shelf .browse-group>p{font-size:13px;line-height:1.85;margin-top:10px}
.browse-group{border-top-color:#a9bda5}
.editor-promotion{background:var(--cream);border-color:var(--line);border-top-color:var(--forest)}
.editor-publication-card{background:var(--paper);border-color:var(--line)}
.editor-publication-card:hover{border-color:var(--forest)}
.editor-social{border-top-color:var(--line)}
.editor-social-links a{color:var(--forest);background:var(--paper);border-color:var(--line)}
.editor-social-links a:hover{background:var(--pale);border-color:var(--forest)}
.site-footer{background:var(--cream);border-top:2px solid var(--line)}
.footer-bottom{border-top-color:var(--line)}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline-color:var(--copper);outline-offset:4px}

/* Each ad is a labelled, self-contained unit; official media keeps its source size. */
.article-body .advertisement{position:relative;margin:38px 0 42px;padding:24px;border:1px solid #cbd3c1;border-top:5px solid var(--forest);border-radius:14px;background:var(--cream);box-shadow:0 4px 14px #20342f08;line-height:1.85;letter-spacing:0;overflow-wrap:anywhere}
.advertisement .ad-label{margin:0 0 9px;padding:3px 9px;border:1px solid #9aaca0;border-radius:4px;background:var(--paper);color:var(--forest-dark);font-size:12px;line-height:1.6;font-weight:700}
.advertisement .ad-eyebrow{margin:0 0 8px;font-size:12px;line-height:1.6;color:var(--muted);font-weight:600}
.advertisement .ad-card-heading{margin:0 0 22px;padding:0;border:0;font-size:21px;line-height:1.6;font-weight:800;color:var(--ink);text-wrap:pretty}
.ad-card-layout{display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr);align-items:start;gap:24px}
.ad-media{min-width:0;width:auto;display:grid;place-items:start center;align-content:start;gap:10px}
.ad-media .ad-banner-scroll{width:100%;max-width:100%;margin:0;overflow-x:auto}
.ad-media .ad-banner-code,.ad-media .ad-banner-code>a{width:max-content;max-width:none}
.ad-media .ad-banner-code img{max-width:none;filter:none;transform:none}
.ad-media .rakuten-ad-code{width:244px;max-width:none}
.ad-media .rakuten-ad-code img{max-width:none;filter:none;transform:none}
.ad-card-copy,.rakuten-ad-copy{min-width:0;padding:0}
.article-body .advertisement h4{font-size:13px;line-height:1.6;font-weight:700;color:var(--forest-dark);margin:0 0 6px}
.advertisement .ad-reason,.advertisement .ad-fit{margin:0 0 16px}
.advertisement .ad-reason p,.advertisement .ad-fit p{font-size:14px;line-height:1.9;margin:0}
.article-body .advertisement .ad-context{font-size:14px;line-height:1.9;margin:0 0 16px}
.advertisement .ad-conditions{margin:22px 0 19px;padding:14px 16px;border:1px solid #dccdb9;border-radius:7px;background:var(--paper)}
.advertisement .ad-conditions h4{color:#70451d}
.advertisement .ad-conditions p,.advertisement .rakuten-condition{font-size:13px;line-height:1.85;margin:0;color:var(--ink)}
.advertisement .ad-conditions p+p{margin-top:9px}
.advertisement .ad-conditions ul{font-size:13px;line-height:1.85;margin:0;padding-left:1.2em}
.advertisement .ad-conditions li{margin:5px 0;padding-left:0}
.advertisement .ad-source{font-size:12px;line-height:1.85;margin:10px 0 0}
.advertisement .ad-source a{font-weight:400;text-decoration:underline;text-underline-offset:3px}
.advertisement .ad-action-text{font-size:13px;font-weight:700;line-height:1.7;margin:0 0 8px;color:var(--ink)}
.ad-action .ad-code,.ad-action .rakuten-text-code{display:block}
.advertisement .ad-code a,.ad-action .rakuten-text-code a,.advertisement .ad-preview-link{display:inline-flex;align-items:center;justify-content:center;gap:10px;max-width:100%;min-height:48px;padding:13px 18px;border:1px solid var(--copper);border-radius:8px;background:var(--copper);color:#fff;font-size:14px;line-height:1.7;font-weight:700;text-align:left;text-decoration:none;overflow-wrap:anywhere}
.ad-action .ad-code a::after,.ad-action .rakuten-text-code a::after,.advertisement .ad-preview-link::after{content:"↗";flex:0 0 auto;font-size:18px;line-height:1}
.advertisement .ad-code a:hover,.ad-action .rakuten-text-code a:hover{background:var(--copper-dark);border-color:var(--copper-dark);color:#fff;text-decoration:none}
.advertisement .ad-preview-link[aria-disabled="true"]{cursor:default}
.advertisement .ad-preview-note{display:block;margin-top:10px;font-size:12px;line-height:1.75;color:var(--muted)}
.advertisement .rakuten-store,.advertisement .rakuten-destination{font-size:12px;line-height:1.75;margin:0 0 10px;color:var(--muted)}
.advertisement .rakuten-comparison-points{font-size:14px;line-height:1.85;margin:0 0 16px;padding-left:1.2em}
.advertisement .rakuten-comparison-points li{margin:5px 0;padding-left:0}
.advertisement .rakuten-ad-placeholder{background:var(--paper);border:1px dashed #a8b99d;border-radius:8px;color:var(--muted)}
.ad-media .rakuten-ad-placeholder{min-height:240px;gap:15px}
.ad-media .rakuten-ad-placeholder strong{font-size:15px;line-height:1.8;color:var(--ink)}
.ad-media .rakuten-ad-placeholder small{font-size:11px;line-height:1.8}
.advertisement .ad-banner-preview{background:var(--paper);border-color:#a8b99d;color:var(--muted)}
.advertisement .ad-media figcaption{font-size:11px;line-height:1.7;color:var(--muted);text-align:left}
@media(max-width:1000px) and (min-width:761px){.ad-card-layout{grid-template-columns:minmax(0,1fr)}.ad-media{justify-items:start}}
@media(max-width:760px){
  .masthead{padding-block:12px 14px}
  .home-entry-heading{margin-bottom:15px}
  .home-entry-heading h2{font-size:22px}
  .home-entry-heading p{font-size:13px;line-height:1.85}
  .compact-subject-shelf .browse-group-grid{grid-template-columns:minmax(0,1fr);gap:10px}
  .compact-subject-shelf .browse-group{padding:14px 16px;border-top-width:1px;border-left:4px solid var(--forest)}
  .compact-subject-shelf .browse-group h3{font-size:17px;text-align:left}
  .compact-subject-shelf .browse-group h3 a{flex-direction:row;justify-content:flex-start;min-height:32px;gap:12px}
  .compact-subject-shelf .browse-group h3 span{font-size:12px}
  .compact-subject-shelf .browse-group>p{display:block;font-size:12px;margin-top:4px}
  .reader-goal-links{gap:10px}
  .reader-goal-links>a{padding:18px 20px}
  .article-body .advertisement{margin:30px 0 34px;padding:17px;border-top-width:4px;border-radius:11px}
  .advertisement .ad-card-heading{font-size:20px;line-height:1.65;margin-bottom:19px}
  .ad-card-layout{grid-template-columns:minmax(0,1fr);gap:20px}
  .ad-media{width:100%;justify-items:center}
  .ad-media .ad-banner-scroll{width:100%}
  .ad-media .ad-banner-code{margin-inline:auto}
  .advertisement .ad-conditions{padding:13px 14px}
  .ad-action .ad-code a,.ad-action .rakuten-text-code a,.advertisement .ad-preview-link{width:100%;justify-content:space-between;min-height:50px;padding:13px 15px;font-size:14px}
  .advertisement .ad-reason p,.advertisement .ad-fit p{font-size:14px}
}
@media(max-width:360px){.article-body .advertisement{padding:14px}.advertisement .ad-card-heading{font-size:19px}}

/* Comparison diagrams use the same paper and forest roles as the article UI. */
.article-body .article-visual,.article-body .hkdiag{background:var(--cream);border-color:var(--line)}
.article-visual>figcaption,.article-body .hkdiag-kicker,.article-body .hkdiag li:before{color:var(--forest-dark)}
.article-visual .visual-context,.article-body .hkdiag figcaption{color:var(--muted)}
.visual-table-scroll th{background:var(--pale);color:var(--ink)}
.lease-timeline-steps>li,.article-body .hkdiag li{background:var(--paper);border-color:var(--line)}
.visual-step{color:var(--forest-dark)}

/* Lead with a verified use case; keep the official media independent of the design. */
.ad-card-top{margin:-24px -24px 24px;padding:22px 24px 21px;border-radius:8px 8px 0 0;background:var(--forest-dark);color:var(--paper)}
.advertisement .ad-card-top .ad-benefit{margin:10px 0 12px;font-size:29px;line-height:1.55;font-weight:800;letter-spacing:.01em;color:var(--paper)}
.advertisement .ad-card-top .ad-card-heading{font-size:17px;line-height:1.8;font-weight:600;color:var(--paper);margin:0}
.advertisement .ad-card-top .ad-label{display:inline-block;width:auto;color:var(--forest-dark);border-color:var(--paper);background:var(--paper)}
.article-body .recipe-jump-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:24px 0;padding:0;list-style:none}
.recipe-jump-grid>li{margin:0;padding:0;min-width:0}
.recipe-jump-grid a,.recipe-choice{display:block;min-height:110px;padding:18px;border:1px solid var(--line);border-top:4px solid var(--forest);border-radius:9px;background:var(--cream);color:var(--ink);text-decoration:none!important}
.recipe-jump-grid strong,.recipe-choice strong{display:block;font-size:18px;color:var(--forest-dark);line-height:1.55;margin-bottom:7px}
.recipe-jump-grid span,.recipe-choice span{display:block;font-size:14px;line-height:1.8}
.recipe-jump-grid a:hover{border-color:var(--forest);background:var(--pale)}
.comparison-scroll{max-width:100%;overflow-x:auto;border:1px solid var(--line);border-radius:9px;margin:20px 0 12px;background:var(--paper)}
.recipe-comparison-table{width:100%;border-collapse:collapse;min-width:660px;table-layout:fixed;font-size:14px;line-height:1.8}
.recipe-comparison-table th,.recipe-comparison-table td{padding:15px 16px;vertical-align:top;border-bottom:1px solid var(--line);border-right:1px solid var(--line)}
.recipe-comparison-table thead th{background:var(--forest-dark);color:var(--paper);font-size:15px}
.recipe-comparison-table tbody th{background:var(--pale);color:var(--forest-dark);width:120px}
.recipe-comparison-table tbody tr:nth-child(even) td{background:var(--cream)}
.article-body .comparison-caption{font-size:13px;line-height:1.85;color:var(--muted);margin:10px 0 20px}
.ingredient-choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:24px 0}
.ingredient-choice{border:1px solid var(--line);border-radius:10px;background:var(--cream);padding:20px;min-width:0}
.ingredient-choice h3{font-size:20px;color:var(--forest-dark);margin:8px 0 14px;line-height:1.65}
.ingredient-choice img{width:100%;max-height:170px;object-fit:contain;margin:0 auto 14px}
.ingredient-choice p{font-size:14px;line-height:1.85;margin:10px 0}
.ingredient-choice .ingredient-kicker{font-size:12px;font-weight:700;color:var(--forest);margin:0}
.ingredient-choice dl{margin:12px 0 0;font-size:14px;line-height:1.85}
.ingredient-choice dt{font-weight:700;color:var(--forest-dark);margin-top:14px;border-top:1px solid var(--line);padding-top:10px}
.ingredient-choice dd{margin:5px 0 0;color:var(--ink)}
@media(max-width:760px){
 .ad-card-top{margin:-17px -17px 20px;padding:18px 17px;border-radius:7px 7px 0 0}
 .advertisement .ad-card-top .ad-benefit{font-size:24px;line-height:1.6}
 .advertisement .ad-card-top .ad-card-heading{font-size:15px}
 .article-body .recipe-jump-grid,.ingredient-choice-grid{grid-template-columns:minmax(0,1fr)}
 .recipe-jump-grid a,.recipe-choice{min-height:0;padding:16px}
 .recipe-comparison-table{min-width:640px;font-size:13px}
 .recipe-comparison-table th,.recipe-comparison-table td{padding:12px}
 .ingredient-choice{padding:17px}
}
@media(max-width:360px){.ad-card-top{margin:-14px -14px 18px;padding:17px 14px}}
.comparison-scroll-hint { display:none; }
@media (max-width:760px) { .article-body .comparison-scroll-hint { display:block; margin-bottom:8px; color:var(--muted); font-size:13px; } }

/* Explanatory diagrams keep their native proportions, unlike landscape editorial art. */
.article-illustration.article-diagram > img{display:block;width:100%;max-width:680px;height:auto;aspect-ratio:auto;margin-inline:auto}

/* Compact source links share article typography without card or preview UI. */
.source-preview-section{margin:42px 0 32px;border-top:2px solid #183446;padding-top:22px}
.source-preview-section h2{margin:0 0 10px;font-size:22px;line-height:1.55}
.source-list{margin:0;padding-inline-start:1.2rem;list-style:disc}
.source-list li{padding:0 0 2px 2px;min-width:0;color:#53636c}
.source-list-link{display:inline-block;max-width:100%;min-height:44px;padding:7px 0;color:#225f9b;font-size:1rem;line-height:1.8;text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}
.source-list-link:hover{color:#163e67;text-decoration-thickness:2px}
.source-list-link:focus-visible{outline:3px solid #0877d8;outline-offset:3px;border-radius:2px}
@media(max-width:480px){.source-preview-section{margin-block:32px}.source-preview-section h2{font-size:20px}}