:root{
 --ink:#0a1f33;--charcoal:#2b3a48;--slate:#5a6876;--court:#06488c;--lime:#daef4f;
 --paper:#fff;--soft:#f1f3f4;--hairline:#d9dee2;--rule:#0a1f33;
 --sans:"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic UI","Meiryo",sans-serif;
 --latin:"Helvetica Neue",Arial,var(--sans);
 --page:1200px;--gutter:32px;--bleed:max(var(--gutter),calc((100% - var(--page))/2));
 --ease:cubic-bezier(.2,.7,.2,1);
 color-scheme:light;
}
@media(max-width:760px){:root{--gutter:16px}}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;font-feature-settings:"palt" 0;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg,video,iframe{max-width:100%}
img{display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0;padding:0}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;line-height:1.4;text-wrap:pretty}
p{margin:0}
ul,ol{margin:0}
:focus-visible{outline:2px solid var(--court);outline-offset:2px;border-radius:2px}
[hidden]{display:none!important}
.primary-navigation>:focus-visible,.wire-list a:focus-visible{outline-offset:-3px}
.title-word{white-space:nowrap}
time,.wire-item time,.card-meta{font-variant-numeric:tabular-nums}
.skip-link{position:absolute;left:8px;top:-60px;z-index:100;background:var(--ink);color:#fff;padding:10px 16px;border-radius:18px;font-size:14px}
.skip-link:focus{top:8px}
.pill-button,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:22px;background:var(--ink);color:#fff;border:1px solid var(--ink);font-size:14px;font-weight:600;line-height:1.2;text-align:center;transition:background-color .15s var(--ease),color .15s var(--ease)}
.pill-button:hover,.button:hover{background:#21384d}
.button.secondary{background:transparent;color:var(--ink)}
.button.secondary:hover{background:var(--soft)}
.text-link{color:var(--ink);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px;font-weight:600}
.text-link:hover{color:var(--court)}
.text-button{font-size:12px;color:var(--slate);text-decoration:underline;text-underline-offset:3px;min-height:32px}
.eyebrow{font-size:13px;font-weight:700;color:var(--court)}
#toast{position:fixed;left:50%;bottom:24px;z-index:90;transform:translate(-50%,16px);opacity:0;pointer-events:none;background:var(--ink);color:#fff;font-size:14px;padding:12px 20px;border-radius:22px;transition:opacity .18s var(--ease),transform .18s var(--ease);max-width:calc(100vw - 32px)}
#toast.visible{opacity:1;transform:translate(-50%,0)}
.masthead{background:var(--paper);position:relative;z-index:5}
.masthead-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px var(--bleed)}
.masthead .logo{display:block;flex:none}
.masthead .logo img,.footer-logo img{mix-blend-mode:multiply}
.masthead .logo img{width:auto;height:64px}
.masthead-dateline{display:flex;align-items:center;gap:14px;margin:0;font-size:13px;color:var(--slate);font-variant-numeric:tabular-nums}
.masthead-dateline time{color:var(--ink);font-weight:600;letter-spacing:.02em}
.masthead-updates{display:inline-flex;align-items:center;gap:8px;padding-left:14px;border-left:1px solid var(--hairline)}
.masthead-updates::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--hairline)}
.masthead-updates.is-fresh{color:var(--ink)}
.masthead-updates.is-fresh::before{background:var(--lime);box-shadow:0 0 0 1px var(--ink)}
.primary-navigation{display:flex;gap:4px;padding:0 var(--bleed);border-top:1px solid var(--hairline);border-bottom:2px solid var(--rule);overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.primary-navigation::-webkit-scrollbar{display:none}
.primary-navigation>a,.primary-navigation>button{flex:none;display:inline-flex;align-items:center;min-height:48px;padding:0 14px;font-size:15px;font-weight:600;color:var(--charcoal);white-space:nowrap;position:relative;transition:color .15s var(--ease)}
.primary-navigation>:first-child{padding-left:0}
.primary-navigation>a::after,.primary-navigation>button::after{content:"";position:absolute;left:14px;right:14px;bottom:-2px;height:4px;background:var(--court);transform:scaleX(0);transform-origin:left;transition:transform .18s var(--ease)}
.primary-navigation>:first-child::after{left:0}
.primary-navigation>:hover{color:var(--ink)}
.primary-navigation>.selected{color:var(--ink)}
.primary-navigation>.selected::after{transform:scaleX(1)}
.primary-navigation>button[data-category="はじめて"]{color:var(--court)}
@media(max-width:760px){
 .masthead-bar{padding-block:8px}
 .masthead .logo img{height:48px}
 .masthead-dateline{gap:10px;font-size:12px}
 .masthead-updates{padding-left:10px}
 .dateline-year{display:none}
 .primary-navigation>a,.primary-navigation>button{font-size:14px;padding:0 12px;min-height:46px}
 .primary-navigation.is-scrollable{-webkit-mask-image:linear-gradient(90deg,#000 82%,transparent);mask-image:linear-gradient(90deg,#000 82%,transparent)}
}
main{display:block;padding:0 var(--bleed) 64px;min-height:60vh;outline:0}
.news-heading{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:32px 0 16px;border-bottom:2px solid var(--rule);margin-bottom:24px}
.news-heading h1{font-size:28px;line-height:1.35}
.news-heading p{color:var(--slate);font-size:14px;margin-top:6px}
.result-count{font-size:13px;color:var(--slate);flex:none}
.results-heading.quiet-results{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;margin:0;padding:0;border:0}
.section-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:2px solid var(--rule);padding-bottom:10px;margin-bottom:20px}
.section-heading h2,.ranked h2,.wire-label{font-size:22px;font-weight:300;line-height:1.2;display:flex;align-items:center;gap:12px;letter-spacing:.02em}
.section-heading h2::before,.ranked h2::before{content:"";width:6px;height:1.05em;background:var(--court);flex:none}
.section-more{font-size:13px;color:var(--slate);min-height:44px;display:inline-flex;align-items:center;flex:none}
.section-more:hover{color:var(--ink);text-decoration:underline;text-underline-offset:4px}
@media(max-width:760px){.news-heading{padding-top:20px}.news-heading h1{font-size:22px}.section-heading h2,.ranked h2{font-size:19px}}
.article-card{position:relative;min-width:0;display:flex;flex-direction:column;gap:12px}
.card-image{display:block;position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--soft)}
.card-image img{width:100%;height:100%;object-fit:cover;transition:opacity .18s var(--ease)}
.contain-card .card-image img{object-fit:contain}
.source-logo-card .card-image img{width:56%;height:56%;margin:11% auto 0;object-fit:contain}
.logo-dark .card-image{background:var(--ink)}
.logo-light .card-image{background:#fff;box-shadow:inset 0 0 0 1px var(--hairline)}
.card-copy{display:flex;flex-direction:column;gap:6px;min-width:0}
.text-card .card-copy{border-top:3px solid var(--court);padding-top:12px}
.text-card .card-summary{font-size:14px;line-height:1.75;-webkit-line-clamp:4}
.lead-card.text-card .card-heading{font-size:36px}
.lead-card.text-card .card-summary{font-size:17px;-webkit-line-clamp:6}
.card-category{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--court);line-height:1.4}
.badge-new{display:inline-block;background:var(--lime);color:var(--ink);font-size:11px;font-weight:800;line-height:1;padding:4px 6px;border-radius:2px}
.badge-video,.card-commercial{display:inline-block;border:1px solid var(--ink);color:var(--ink);font-size:11px;font-weight:700;line-height:1;padding:3px 6px;border-radius:2px}
.card-heading{font-size:17px;line-height:1.5;font-weight:700}
.card-title{color:var(--ink);text-decoration:underline;text-decoration-color:transparent;text-decoration-thickness:1px;text-underline-offset:4px;transition:text-decoration-color .15s var(--ease)}
.card-title::before{content:"";position:absolute;inset:0}
.article-card:hover .card-title{text-decoration-color:currentColor}
.article-card:hover .card-image img{opacity:.88}
.card-summary{font-size:15px;line-height:1.8;color:var(--charcoal);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{font-size:12px;color:var(--slate);line-height:1.6}
.card-meta>*+*::before{content:"·";margin:0 6px}
.card-source{overflow-wrap:anywhere}
.card-manufacturer{display:block}
.card-manufacturer+*::before{content:none}
.secondary-stories .article-card:not(.text-card){display:grid;grid-template-columns:128px minmax(0,1fr);gap:12px;align-items:center}
.secondary-stories .card-heading{font-size:15px;line-height:1.55}
.overview{display:block}
.wire{display:grid;grid-template-columns:72px minmax(0,1fr);border-bottom:1px solid var(--hairline);margin-bottom:28px}
.wire-label{font-size:14px;font-weight:700;letter-spacing:.04em;align-self:stretch;border-right:1px solid var(--hairline);padding:14px 0}
.wire-list{list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.wire-item{position:relative;display:flex;align-items:flex-start;gap:12px;padding:14px 16px 14px 20px;border-right:1px solid var(--hairline);min-width:0}
.wire-copy{display:flex;flex-direction:column;gap:4px;min-width:0}
.wire-thumb{flex:none;align-self:center;width:80px;aspect-ratio:16/9;overflow:hidden;background:var(--soft);border-radius:4px}
.wire-thumb img{width:100%;height:100%;object-fit:cover}
.wire-thumb.is-contain img{object-fit:contain;padding:4px}
.wire-thumb.logo-dark{background:var(--ink)}
.wire-thumb.logo-light{background:#fff;box-shadow:inset 0 0 0 1px var(--hairline)}
.wire-item:last-child{border-right:0}
.wire-item time{font-size:12px;color:var(--slate);display:flex;align-items:center;gap:6px}
.wire-item time::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--hairline);flex:none}
.wire-item.is-fresh time::before{background:var(--lime);box-shadow:0 0 0 1px var(--ink)}
.wire-item a{font-size:14px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.wire-item a::after{content:"";position:absolute;inset:0}
.wire-item a:hover{text-decoration:underline;text-underline-offset:3px}
.front{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1.1fr) minmax(0,.85fr);gap:0;margin-bottom:56px}
.front.no-rank{grid-template-columns:minmax(0,1.55fr) minmax(0,1.1fr)}
.lead-story{padding-right:28px;min-width:0}
.lead-card{gap:16px}
.lead-card .card-heading{font-size:30px;line-height:1.4}
.lead-card .card-category{font-size:13px}
.secondary-stories{display:flex;flex-direction:column;padding:0 24px;border-left:1px solid var(--hairline);min-width:0}
.secondary-stories>.article-card{padding:16px 0;border-bottom:1px solid var(--hairline)}
.secondary-stories>.article-card:first-child{padding-top:0}
.secondary-stories>.article-card:last-child{border-bottom:0}
.ranked{padding-left:24px;border-left:1px solid var(--hairline);min-width:0}
.ranked h2{font-size:18px;font-weight:300;border-bottom:2px solid var(--rule);padding-bottom:10px}
.ranked ol{list-style:none;padding:0;counter-reset:rank}
.ranked li{counter-increment:rank;display:grid;grid-template-columns:36px minmax(0,1fr);gap:8px;align-items:baseline;padding:14px 0;border-bottom:1px solid var(--hairline);position:relative}
.ranked li::before{content:counter(rank);font-family:var(--latin);font-size:28px;font-weight:300;line-height:1;color:var(--slate)}
.ranked a{font-size:14px;font-weight:700;line-height:1.55}
.ranked a::after{content:"";position:absolute;inset:0}
.ranked a:hover{text-decoration:underline;text-underline-offset:3px}
.band{margin-bottom:56px}
.band-grid,.article-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px 24px}
.article-grid>.overview,.article-grid>.empty,.article-grid>.directory-entry:only-child{grid-column:1/-1}
.home-page .article-grid:has(>.overview){display:block}
.empty{padding:48px 0;text-align:center;color:var(--slate)}
.empty h3{color:var(--ink);font-size:18px;margin-bottom:8px}
.empty .text-link{display:inline-block;margin-top:16px}
.beginner-box{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr) auto;gap:32px;align-items:center;background:var(--soft);padding:32px;margin-bottom:56px}
.beginner-kicker{font-size:13px;color:var(--slate);margin-bottom:6px}
.beginner-box h2{font-size:26px;margin-bottom:10px}
.beginner-box p:not(.beginner-kicker){font-size:14px;line-height:1.8;color:var(--charcoal)}
.beginner-box ul{list-style:none;padding:0;border-top:1px solid var(--hairline)}
.beginner-box li{border-bottom:1px solid var(--hairline)}
.beginner-box li a{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:52px;font-size:15px;font-weight:700}
.beginner-box li a::after{content:"→";color:var(--slate);transition:transform .15s var(--ease)}
.beginner-box li a:hover::after{transform:translateX(3px)}
.all-stories{text-align:center;margin:8px 0 0}

@media(max-width:1100px){
 .front{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr)}
 .ranked{grid-column:1/-1;padding:32px 0 0;border:0}
 .ranked ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:24px}
 .band-grid,.article-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
 .band-grid>.article-card:nth-child(4){display:none}
 .wire-list{grid-template-columns:repeat(3,minmax(0,1fr))}.wire-item:nth-child(4){display:none}.wire-item:nth-child(3){border-right:0}
 .beginner-box{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.beginner-box .pill-button{grid-column:1/-1;justify-self:start}
}
@media(min-width:761px) and (max-width:960px){
 .front{grid-template-columns:minmax(0,1fr)}
 .lead-story{padding:0 0 24px;border-bottom:1px solid var(--hairline)}
 .secondary-stories{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;padding:24px 0 0;border:0}
 .secondary-stories>.article-card,.secondary-stories>.article-card:first-child{padding:0;border:0}
 .secondary-stories .article-card:not(.text-card){display:flex;flex-direction:column}
}
@media(max-width:760px){
 .wire{grid-template-columns:minmax(0,1fr);margin-inline:calc(var(--gutter)*-1);margin-bottom:20px}
 .wire-label{border-right:0;padding:12px var(--gutter) 0;font-size:13px}
 .wire-list{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding-inline:var(--gutter);scrollbar-width:none;padding:0 var(--gutter)}
 .wire-list::-webkit-scrollbar{display:none}
 .wire-item,.wire-item:nth-child(4){display:flex;flex:0 0 72%;scroll-snap-align:start;padding:10px 16px 14px 0;margin-right:16px}
 .wire-item:nth-child(3){border-right:1px solid var(--hairline)}
 .front{display:block;margin-bottom:40px}
 .lead-story{padding:0 0 20px;border-bottom:1px solid var(--hairline)}
 .lead-story .lead-card .card-image{margin-inline:calc(var(--gutter)*-1)}
 .lead-card .card-heading{font-size:22px}
 .lead-card .card-summary{font-size:14px}
 .secondary-stories{padding:0;border:0}
 .secondary-stories .article-card:not(.text-card){grid-template-columns:minmax(0,1fr) 120px;gap:14px}
 .secondary-stories .article-card:not(.text-card) .card-image{grid-column:2;grid-row:1}
 .secondary-stories .article-card:not(.text-card) .card-copy{grid-column:1;grid-row:1}
 .secondary-stories .card-heading{font-size:16px}
 .secondary-stories>.article-card,.secondary-stories>.article-card:first-child{padding:16px 0}
 .ranked{padding-top:28px}.ranked ol{display:block}
 .band{margin-bottom:40px}
 .band-grid .text-card .card-copy,.article-grid .text-card .card-copy,.related-grid .text-card .card-copy,.secondary-stories .text-card .card-copy{border-top:0;padding-top:0}
 .text-card .card-summary{-webkit-line-clamp:2}
 .band-grid,.article-grid{grid-template-columns:minmax(0,1fr);gap:0}
 .band-grid>.article-card:nth-child(4){display:grid}
 .band-grid>.article-card,.article-grid>.article-card,.directory-entry{padding:16px 0;border-bottom:1px solid var(--hairline)}
 .band-grid>.article-card:not(.text-card),.article-grid>.article-card:not(.text-card),.directory-entry .article-card:not(.text-card){display:grid;grid-template-columns:minmax(0,1fr) 120px;gap:14px;align-items:start}
 .band-grid>.article-card .card-image,.article-grid>.article-card .card-image,.directory-entry .card-image{grid-column:2;grid-row:1}
 .band-grid>.article-card .card-copy,.article-grid>.article-card .card-copy,.directory-entry .card-copy{grid-column:1;grid-row:1}
 .band-grid .card-heading,.article-grid .card-heading{font-size:16px}
 .beginner-box{grid-template-columns:minmax(0,1fr);gap:20px;padding:24px 20px;margin-inline:calc(var(--gutter)*-1)}
 .beginner-box h2{font-size:22px}
}
.catalog-site .journal{display:block}
.list-toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin:-8px 0 24px}
.coverage-filters{display:flex;gap:8px;flex-wrap:wrap}
.coverage-filters button{min-height:40px;padding:0 16px;border-radius:20px;border:1px solid var(--hairline);font-size:14px;font-weight:600;transition:background-color .15s var(--ease)}
.coverage-filters button:hover{border-color:var(--ink)}
.coverage-filters button.selected{background:var(--ink);border-color:var(--ink);color:#fff}
.area-filter{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--slate)}
.area-filter select{min-height:40px;padding:0 12px;border:1px solid var(--slate);border-radius:20px;background:#fff;color:var(--ink)}
.catalog-note{font-size:13px;color:var(--slate)}
.directory-entry{display:flex;flex-direction:column;gap:10px;min-width:0}
.directory-meta,.event-meta{font-size:13px;color:var(--charcoal);border-top:1px solid var(--hairline);padding-top:10px;display:grid;gap:4px}
.directory-meta span{color:var(--slate);font-size:12px}
.directory-meta a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;min-height:32px;display:inline-flex;align-items:center}
.event-meta{margin:0}
.event-meta div{display:flex;gap:8px}
.event-meta dt{color:var(--slate);min-width:6em}
.event-meta dd{margin:0}
.article-page{max-width:calc(720px + var(--gutter)*2);margin:0 auto;padding:24px var(--gutter) 80px}
.article-back{display:inline-flex;align-items:center;min-height:44px;font-size:13px;color:var(--slate)}
.article-back:hover{color:var(--ink);text-decoration:underline;text-underline-offset:4px}
.preview-notice{background:var(--lime);color:var(--ink);font-size:13px;font-weight:700;padding:10px 14px;margin:8px 0 16px}
.article-transition-header{padding:8px 0 0}
.article-taxonomy{display:flex;align-items:center;gap:10px;font-size:13px;margin-bottom:14px}
.article-taxonomy .eyebrow{display:inline-flex;align-items:center;gap:8px}
.article-taxonomy .eyebrow::before{content:"";width:6px;height:1em;background:var(--court)}
.article-taxonomy .eyebrow:hover{text-decoration:underline;text-underline-offset:4px}
.coverage-label{color:var(--slate);padding-left:10px;border-left:1px solid var(--hairline)}
#article-title,.article-page>h1{font-size:36px;line-height:1.45;font-weight:700;letter-spacing:.01em}
.article-byline{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:13px;color:var(--slate);margin-top:18px}
.article-author{color:var(--ink);font-weight:600}
.article-provenance{margin:20px 0 32px;border-block:1px solid var(--hairline)}
.article-provenance summary{display:flex;align-items:center;gap:8px;min-height:44px;font-size:13px;color:var(--slate);cursor:pointer;list-style:none}
.article-provenance summary::-webkit-details-marker{display:none}
.article-provenance summary::before{content:"+";font-family:var(--latin);font-size:16px;width:14px;color:var(--ink)}
.article-provenance[open] summary::before{content:"−"}
.article-provenance>*:not(summary){font-size:13px;color:var(--charcoal)}
.article-format{margin-bottom:10px}
.article-dates{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px 20px;margin:0 0 14px}
.article-dates dt{font-size:12px;color:var(--slate)}
.article-dates dd{margin:2px 0 0}
.source-publication-dates{list-style:none;padding:0 0 14px;display:grid;gap:6px}
.source-publication-dates li{display:flex;justify-content:space-between;gap:12px}
.source-publication-dates a{text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}
.source-publication-dates span{color:var(--slate);flex:none}
.commercial-disclosure{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;background:var(--soft);padding:10px 14px;font-size:13px;margin-bottom:16px}
.commercial-disclosure strong{border:1px solid var(--ink);padding:2px 6px;font-size:12px}
.manufacturer-facts{background:var(--soft);padding:20px;margin:0 0 32px}
.manufacturer-facts h2{font-size:16px;margin-bottom:12px}
.manufacturer-facts dl{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px 20px;margin:0 0 12px;font-size:14px}
.manufacturer-facts dt{font-size:12px;color:var(--slate)}
.manufacturer-facts dd{margin:2px 0 0;font-weight:600}
.markdown-body{font-size:17px;line-height:1.95;color:var(--charcoal);overflow-wrap:anywhere}
.markdown-body>*+*,.article-section>*+*{margin-top:1.4em}
.markdown-body :is(p,ul,ol,blockquote,pre,figure,picture,.markdown-table-scroll,.article-video,.x-embed,.article-diagram,img)+:is(p,ul,ol,blockquote,pre,figure,picture,.markdown-table-scroll,.article-video,.x-embed,.article-diagram,img){margin-top:1.3em}
.article-intro{font-size:18px;line-height:1.95;color:var(--ink)}
.article-section{margin-top:48px}
.markdown-body h2,.article-section h2{font-size:24px;line-height:1.5;color:var(--ink);padding-top:20px;border-top:2px solid var(--rule);margin-top:48px}
.article-section>h2:first-child{margin-top:0}
.markdown-body h3{font-size:20px;line-height:1.55;color:var(--ink);margin-top:36px}
.markdown-body h4,.markdown-body h5,.markdown-body h6{font-size:17px;color:var(--ink);margin-top:28px}
.markdown-body ul,.markdown-body ol{padding-left:1.4em}
.markdown-body li+li{margin-top:.4em}
.markdown-body li::marker{color:var(--slate)}
.markdown-body a:not(.button){color:var(--ink);text-decoration:underline;text-decoration-color:var(--court);text-decoration-thickness:1px;text-underline-offset:4px}
.markdown-body a:not(.button):hover{color:var(--court)}
.markdown-body strong{color:var(--ink)}
.markdown-body blockquote{margin-left:0;margin-right:0;padding:4px 0 4px 20px;border-left:3px solid var(--hairline);color:var(--slate)}
.markdown-body code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.88em;background:var(--soft);padding:2px 5px;border-radius:2px}
.markdown-body pre{background:var(--soft);padding:16px;overflow:auto;font-size:14px;line-height:1.7}
.markdown-body pre code{background:none;padding:0}
.markdown-body hr{border:0;border-top:1px solid var(--hairline);margin:40px 0}
.markdown-body img{width:100%}
.article-figure{margin-left:0;margin-right:0}
.article-figure img{width:100%;height:auto}
.article-figure figcaption,.markdown-body figcaption{font-size:13px;line-height:1.7;color:var(--slate);margin-top:10px}
.markdown-table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.markdown-body table,.article-checklist{width:100%;border-collapse:collapse;font-size:14px;line-height:1.7;min-width:480px}
.markdown-body th,.markdown-body td,.article-checklist th,.article-checklist td{border-bottom:1px solid var(--hairline);padding:10px 12px;text-align:left;vertical-align:top}
.markdown-body thead th,.article-checklist thead th{background:var(--soft);color:var(--ink);font-weight:700;border-bottom:2px solid var(--rule)}
.markdown-body caption{caption-side:top;text-align:left;font-size:13px;color:var(--slate);padding-bottom:8px}
.markdown-media-missing{font-size:13px;color:var(--slate)}
.source-box{margin-top:56px;border-top:2px solid var(--rule);padding-top:16px;display:grid;gap:10px;justify-items:start}
.source-box h2{font-size:13px;font-weight:700;color:var(--slate)}
.source-box p{font-size:15px;font-weight:600}
.source-references{list-style:none;padding:0;display:grid;gap:4px;font-size:14px}
.source-references a{text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}
.article-next{margin-top:40px;display:grid;gap:8px;justify-items:start}
.article-next h2{font-size:15px;margin-bottom:4px}
.article-tags{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:8px;margin-top:40px}
.article-tags a{display:inline-flex;align-items:center;min-height:36px;padding:0 14px;border:1px solid var(--hairline);border-radius:18px;font-size:13px;color:var(--charcoal);transition:border-color .15s var(--ease)}
.article-tags a::before{content:"#";color:var(--slate);margin-right:2px}
.article-tags a:hover{border-color:var(--ink);color:var(--ink)}
.article-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:24px;padding-top:24px;border-top:1px solid var(--hairline)}
.article-actions-label{font-size:13px;color:var(--slate);width:100%}
.article-actions p{font-size:13px;color:var(--slate)}
.article-url-details{margin-top:12px;font-size:13px;color:var(--slate)}
.article-url-details summary{min-height:44px;display:inline-flex;align-items:center;cursor:pointer}
.article-url-label{display:grid;gap:6px}
.article-url,.site-url{width:100%;min-height:40px;padding:0 12px;border:1px solid var(--slate);border-radius:20px;font-size:13px;background:#fff;color:var(--ink)}
.related-articles{margin-top:64px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.related-grid .card-heading{font-size:15px}
@media(max-width:760px){
 .article-page{padding-top:12px}
 #article-title,.article-page>h1{font-size:26px;line-height:1.5}
 .markdown-body{font-size:16px;line-height:1.95}
 .article-intro{font-size:17px}
 .markdown-body h2,.article-section h2{font-size:21px}
 .markdown-body h3{font-size:18px}
 .related-grid{grid-template-columns:minmax(0,1fr);gap:0}
 .related-grid>.article-card{padding:16px 0;border-bottom:1px solid var(--hairline)}
 .related-grid>.article-card:not(.text-card){display:grid;grid-template-columns:minmax(0,1fr) 120px;gap:14px}
 .related-grid .card-image{grid-column:2;grid-row:1}.related-grid .card-copy{grid-column:1;grid-row:1}
}
.about-site{max-width:calc(760px + var(--gutter)*2);margin:0 auto;padding:32px var(--gutter) 80px}
.about-heading{border-bottom:2px solid var(--rule);padding-bottom:24px;margin-bottom:8px}
.about-heading .eyebrow{display:none}
.about-heading h1{font-size:32px}
.about-heading h2{font-size:18px;font-weight:300;margin:10px 0 14px;color:var(--charcoal)}
.about-heading p{font-size:15px;line-height:1.9;color:var(--charcoal)}
.about-section{padding:32px 0;border-bottom:1px solid var(--hairline);font-size:15px;line-height:1.95;color:var(--charcoal)}
.about-section>*+*{margin-top:1em}
.about-section h2{font-size:20px;color:var(--ink)}
.about-section h3{font-size:16px;color:var(--ink);margin-top:24px}
.about-section ul{padding-left:1.3em}
.about-section a:not(.button){text-decoration:underline;text-underline-offset:3px}
.about-section .markdown-table-scroll{margin-top:12px}
.concept-flow{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.concept-flow span{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--ink);font-size:14px}
.concept-flow span+span::before{content:"→";color:var(--slate);font-weight:400}
.site-footer{border-top:2px solid var(--rule);padding:32px var(--bleed) 40px;background:var(--paper)}
.footer-content{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:24px 48px}
.footer-logo img{width:auto;height:56px}
.footer-navigation{display:grid;grid-template-columns:repeat(3,max-content);justify-content:start;gap:4px 48px;font-size:14px}
.footer-navigation a{min-height:36px;display:inline-flex;align-items:center;color:var(--charcoal)}
.footer-navigation a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:4px}
.footer-legal{display:flex;flex-wrap:wrap;align-items:center;gap:4px 20px;margin-top:28px;padding-top:16px;border-top:1px solid var(--hairline);font-size:12px;color:var(--slate)}
.footer-legal a{text-decoration:underline;text-underline-offset:3px;min-height:32px;display:inline-flex;align-items:center}
.footer-legal small{font-size:12px;margin-right:auto}
.site-sharing{display:inline-flex;align-items:center;gap:10px}
.site-sharing .site-url{width:auto;min-width:0;max-width:220px;min-height:32px;border-color:var(--hairline);color:var(--slate);font-size:12px}
@media(max-width:760px){.footer-navigation{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:16px;width:100%}.footer-legal small{width:100%}}
dialog{border:0;padding:24px;max-width:min(640px,calc(100vw - 32px));max-height:90dvh;overflow:auto;color:var(--ink);background:#fff;border-radius:8px}
dialog::backdrop{background:rgba(10,31,51,.6)}
.reader-help-close{float:right;width:44px;height:44px;font-size:24px;line-height:1}
.reader-help h2{font-size:22px;margin:8px 0 16px}
.reader-help p{font-size:15px;line-height:1.85;margin-top:10px}
.reader-help .guide-visual img{max-height:160px;margin:12px auto}
.reader-help .guide-steps{display:grid;gap:12px;margin:16px 0 20px}
.reader-help .guide-steps b{font-size:14px}
.article-video{width:100%;min-width:0;margin:28px 0 36px}
.video-frame{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;background:var(--ink)}
.video-frame iframe{display:block;position:absolute;inset:0;width:100%;height:100%;border:0}
.video-frame.local-video video{display:block;position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:var(--ink)}
.article-video>p{margin:12px 0 0;font-size:14px}
.article-video a,.video-end-link a{color:var(--ink);text-decoration:underline;text-underline-offset:4px}
.article-video .video-note{font-size:12px;line-height:1.8;color:var(--slate);margin:10px 0 0}
.video-end-link{margin:24px 0;font-size:14px;overflow-wrap:anywhere}
.video-load-button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;width:100%;height:100%;min-height:180px;background:var(--ink);color:#fff;font-weight:700;font-size:16px}
.video-load-button span{display:grid;place-items:center;width:64px;height:64px;border-radius:50%;background:var(--lime);color:var(--ink);font-size:24px;transition:transform .15s var(--ease)}
.video-load-button:hover span{transform:scale(1.06)}
@media(max-width:760px){.article-video{margin:18px 0 26px}}
.x-embed{margin:24px 0;min-height:48px;display:flex;flex-direction:column;align-items:center}
.x-embed[data-x-state=ready]{min-height:0}
.x-embed-link{font-size:14px;font-weight:700;color:var(--ink);text-decoration:underline;text-underline-offset:3px}
.x-embed-note{font-size:13px;color:var(--slate);margin:8px 0 0}
.x-embed[data-x-state=ready] .x-embed-note{display:none}
.article-diagram{margin:32px 0;border-top:2px solid var(--rule);padding-top:16px}
.article-diagram img{display:block;width:100%;height:auto}
.article-diagram figcaption{font-size:13px;line-height:1.8;color:var(--slate);margin-top:12px}
.trial-flow-diagram img,.wall-comparison-diagram img{width:100%;height:auto}
@media(max-width:760px){.article-diagram{margin-inline:0}.trial-flow-diagram picture{display:block;max-width:340px;margin:auto}.wall-comparison-diagram picture{display:block;width:100%;max-width:380px;margin:auto}}
.intro-page{max-width:calc(960px + var(--gutter)*2)}
.intro-page h1{font-size:clamp(25px,3vw,34px);line-height:1.45;margin:12px 0}
.intro-page-lead{font-size:16px;line-height:1.9;margin:12px 0 24px;color:var(--charcoal)}
.padel-intro{margin:24px 0;border:1px solid var(--hairline);padding:18px;background:#fff}
.intro-stage{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px;align-items:center;background:var(--soft)}
.intro-court-wrap{min-width:0}
.intro-court{display:block;width:100%;max-height:550px;height:auto;aspect-ratio:12/22}
.intro-scene-notes{padding:16px;min-width:0}
.intro-scene-count{color:var(--court);font-size:12px;font-weight:700}
.intro-scene-notes h2{font-size:23px;line-height:1.5;margin:12px 0 20px}
.intro-subtitle{font-size:18px;font-weight:700;line-height:1.85;min-height:100px;color:var(--ink)}
.intro-bounce-steps{padding-left:1.5em;font-size:14px;line-height:2.2;color:var(--charcoal)}
.intro-bounce-steps .current{font-weight:800;color:var(--ink);background:var(--lime)}
.intro-state{font-size:13px;margin:14px 0;color:var(--charcoal)}
.intro-controls,.intro-end-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.intro-controls button,.intro-end-actions button{min-height:44px}
.intro-time{font-variant-numeric:tabular-nums;font-size:13px}
.intro-progress{width:100%;height:10px;accent-color:var(--court)}
.intro-ending img{width:160px;height:90px;object-fit:contain;margin:12px auto}
.intro-ending .intro-ending-gear{width:100%;height:120px}
.intro-ending p{text-align:center;font-weight:800;color:var(--ink)}
.intro-court-ending{opacity:.35}
.intro-end-actions{margin-top:14px}
.intro-transcript,.intro-geometry{margin-top:20px;font-size:14px;line-height:1.9}
.intro-transcript summary,.intro-geometry summary{min-height:44px;cursor:pointer;font-weight:700;display:flex;align-items:center}
.intro-transcript p,.intro-geometry p{margin:12px 0}
.intro-geometry a{display:block;min-height:44px;text-decoration:underline}
.intro-reduced-message{font-size:14px;margin-top:16px}
.padel-intro [hidden]{display:none!important}
.intro-preview{margin:28px 0;border-block:1px solid var(--hairline);padding:18px 0}
.intro-preview-link{display:flex;gap:24px;align-items:center}
.intro-preview-art{display:block;width:120px;flex:none;height:110px;overflow:hidden;background:var(--soft)}
.intro-preview-art .intro-court{height:110px;width:120px;max-height:none}
.intro-preview-link strong{font-size:20px;display:block}
.intro-preview-caption{display:block;font-size:13px;margin:8px 0 12px;color:var(--charcoal)}
.intro-preview-page{display:block;margin-top:10px;min-height:36px}
.intro-dialog{width:min(840px,96vw);max-width:96vw;max-height:94dvh;padding:14px;border-radius:0}
.intro-dialog-close{display:flex;margin-left:auto}
.intro-dialog .padel-intro{margin-top:12px}
@media(max-width:760px){.padel-intro{padding:12px}.intro-stage{display:block}.padel-intro .intro-court{max-height:340px}.intro-scene-notes{padding:12px}.intro-scene-notes h2{font-size:20px;margin:8px 0}.intro-subtitle{font-size:17px;min-height:76px;line-height:1.8}.intro-preview-link{gap:12px}.intro-preview-art{width:90px}.intro-preview-link strong{font-size:17px}}
@media(prefers-reduced-motion:reduce){.intro-court-ending{opacity:1}.padel-intro .intro-controls{display:none!important}.padel-intro .intro-reduced-message{display:block!important}}
[data-analytics-settings][hidden]{display:none}