@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700;800;900&display=swap');
:root{--paper:#f5f4ef;--white:#fffefa;--ink:#182527;--muted:#657071;--line:#dedfd7;--blue:#244ee9;--mint:#d8e9b1;--radius:16px;color-scheme:light;font-family:'Noto Sans JP',sans-serif;font-synthesis:none}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-size:14px;line-height:1.8}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:4px}button{color:inherit}img{max-width:100%;height:auto;display:block}button:disabled{opacity:.5;cursor:default}[hidden]{display:none!important}.skip{position:fixed;top:-80px;left:20px;background:var(--ink);color:white;padding:10px;z-index:99}.skip:focus{top:10px}.topbar{height:76px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:0 40px;background:var(--paper);position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:17px;letter-spacing:.025em}.brand-mark{background:var(--blue);color:white;border-radius:9px;width:34px;height:34px;display:grid;place-items:center;font-size:19px}.brand small{font-size:10px;color:var(--muted);display:block;letter-spacing:.18em;font-weight:500}.toplinks{display:flex;align-items:center;gap:26px;font-size:12px;font-weight:600}.private-pill{border:1px solid var(--line);border-radius:50px;padding:6px 13px;font-size:10px;letter-spacing:.08em}.menu-button{display:none;border:0;background:transparent;font-size:22px}.layout{display:grid;grid-template-columns:236px minmax(0,1fr);max-width:1640px;margin:auto}.sidebar{height:calc(100dvh - 76px);position:sticky;top:76px;overflow:auto;border-right:1px solid var(--line);padding:31px 20px 40px 28px;scrollbar-width:thin}.eyebrow{font-size:10px;letter-spacing:.16em;font-weight:700;color:var(--muted);margin:0 0 16px}.side-main{display:flex;align-items:center;justify-content:space-between;padding:9px 12px;border-radius:8px;margin-bottom:5px;font-size:12px;font-weight:600}.side-main.active{background:var(--ink);color:var(--white)}.side-main span:last-child{font-size:10px;opacity:.6}.category-nav{margin-top:27px}.category-nav .eyebrow{padding-left:12px}.category-link{display:flex;align-items:center;gap:9px;padding:7px 10px;border-radius:7px;font-size:11px;color:#515e5f;min-height:34px}.category-link:hover,.category-link.active{background:#e6e8df;color:var(--ink)}.cat-letter{font:11px ui-monospace,monospace;width:19px;flex-shrink:0;color:var(--blue);font-weight:700}.category-link .count{margin-left:auto;color:#8a9089;font:10px ui-monospace,monospace}.side-footer{font-size:10px;border-top:1px solid var(--line);margin:24px 10px 0;padding-top:18px;color:var(--muted)}main{min-width:0;padding:44px 5% 65px}.intro-kicker{font:11px ui-monospace,monospace;letter-spacing:.12em;color:var(--blue);display:flex;align-items:center;gap:10px}.intro-kicker:before{content:'';width:7px;height:7px;background:var(--blue);border-radius:50%}.hero{display:grid;grid-template-columns:1.25fr 1fr;gap:20px;align-items:center;padding:5px 0 34px}.hero h1{font-size:clamp(33px,3.8vw,59px);letter-spacing:-.055em;line-height:1.5;margin:19px 0 20px;font-weight:800}.hero h1 em{font-style:normal;color:var(--blue)}.hero p{color:var(--muted);font-size:12px;line-height:2.2;max-width:440px}.hero-visual{width:100%;max-width:360px;justify-self:end;aspect-ratio:1.1;position:relative;display:grid;place-items:center;background:radial-gradient(#c7cbc4 1px,transparent 1px);background-size:16px 16px;border-radius:50%;overflow:visible}.hero-visual svg{width:90%;transform:rotate(-9deg)}.visual-note{position:absolute;right:0;bottom:30px;background:var(--mint);padding:9px 15px;border:1px solid var(--ink);font:10px ui-monospace,monospace;transform:rotate(5deg);box-shadow:3px 3px 0 var(--ink)}.stats{display:flex;gap:28px;padding:23px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:36px}.stat{display:flex;align-items:baseline;gap:9px}.stat strong{font:700 26px ui-monospace,monospace}.stat span{font-size:10px;color:var(--muted)}.stat .blue{color:var(--blue)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:15px;margin-bottom:20px}.section-head h2{font-size:21px;letter-spacing:-.03em;margin:0}.section-head p{font-size:10px;color:var(--muted);margin:4px 0 0}.section-head a{font-size:11px;color:var(--blue)}.resume{background:var(--ink);color:var(--white);border-radius:var(--radius);padding:22px 25px;margin-bottom:30px;display:flex;justify-content:space-between;gap:20px;align-items:center}.resume small{font-size:9px;letter-spacing:.12em;color:var(--mint)}.resume h2{font-size:17px;margin:4px 0}.resume a{font-size:12px;color:var(--mint);white-space:nowrap}.shelf{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px;margin-bottom:42px}.card{background:var(--white);border:1px solid var(--line);border-radius:12px;overflow:hidden;position:relative;transition:transform .2s,box-shadow .2s}.card:hover{transform:translateY(-3px);box-shadow:0 8px 22px #1825270d}.card-image{position:relative;aspect-ratio:16/9;overflow:hidden;background:#e4e5dc}.card-image img{width:100%;height:100%;object-fit:cover}.card-image .duration{position:absolute;right:9px;bottom:9px;background:#182527df;border-radius:4px;color:white;font:10px ui-monospace,monospace;padding:2px 5px}.card-body{padding:17px 17px 18px}.card-meta{display:flex;gap:7px;align-items:center;font-size:9px;color:var(--muted);margin-bottom:9px}.card-meta .cat-code{color:var(--blue);font:700 10px ui-monospace,monospace}.card h3{font-size:14px;line-height:1.8;letter-spacing:-.02em;margin:0 0 9px;font-weight:700}.card p{font-size:11px;line-height:1.9;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.card a:after{content:'';position:absolute;inset:0}.card-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:17px;border-top:1px solid #efefe8;padding-top:11px;font-size:9px;color:var(--muted)}.bookmark{background:transparent;border:0;font-size:17px;padding:0 3px;position:relative;z-index:2;line-height:1.4}.bookmark[aria-pressed=true]{color:var(--blue)}.read-label{color:#68822e}.library{scroll-margin-top:96px}.toolbar{display:flex;gap:10px;margin-bottom:14px;flex-wrap:wrap}.search-box{position:relative;flex:1;min-width:220px}.search-box span{position:absolute;left:14px;top:10px;color:var(--muted);font-size:18px}.search-box input{width:100%;padding:12px 15px 12px 40px;background:var(--white);border:1px solid #d3d6ce;border-radius:9px;font-size:12px;appearance:none}.toolbar select{border:1px solid #d3d6ce;background:var(--white);border-radius:9px;padding:9px 12px;font-size:11px;max-width:100%}.filter-tabs{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);margin-bottom:23px;gap:12px}.tabs{display:flex;gap:18px}.tabs button{background:transparent;border:0;padding:11px 0;font-size:11px;color:var(--muted);border-bottom:2px solid transparent}.tabs button[aria-pressed=true]{color:var(--ink);border-color:var(--ink);font-weight:700}.result-count{font-size:10px;color:var(--muted);white-space:nowrap}.load-more{display:block;width:100%;background:transparent;border:1px solid #b9bfb4;border-radius:9px;padding:14px;font-size:12px;margin-top:-20px}.load-more:hover{background:#e9ebe2}.empty{text-align:center;padding:70px 20px;background:var(--white);border:1px dashed var(--line);border-radius:12px;color:var(--muted)}.page-footer{display:flex;justify-content:space-between;gap:20px;font-size:9px;line-height:2;color:var(--muted);border-top:1px solid var(--line);padding-top:25px;margin-top:45px}.page-footer a{color:var(--ink)}.category-intro{padding-bottom:25px}.category-intro h1{font-size:35px;margin:5px 0 10px;letter-spacing:-.04em}.category-intro p{max-width:620px;color:var(--muted);font-size:12px}.category-intro .category-index{font:11px ui-monospace,monospace;color:var(--blue);letter-spacing:.13em}.breadcrumbs{font-size:10px;color:var(--muted);margin:0 0 28px;display:flex;gap:10px;flex-wrap:wrap}.article-wrap{max-width:930px;margin:auto}.article-header h1{font-size:clamp(28px,3vw,43px);line-height:1.6;letter-spacing:-.045em;margin:16px 0}.article-header .dek{font-size:14px;line-height:2.2;color:var(--muted);max-width:760px}.article-actions{display:flex;gap:12px;margin:25px 0;flex-wrap:wrap}.action{border:1px solid var(--line);border-radius:8px;background:var(--white);padding:9px 15px;font-size:11px}.action.primary{background:var(--blue);color:white;border-color:var(--blue)}.action[aria-pressed=true]{background:var(--mint);color:var(--ink)}.article-cover{width:100%;border-radius:14px;aspect-ratio:16/9;object-fit:cover;margin-bottom:32px}.article-columns{display:grid;grid-template-columns:minmax(0,1fr) 182px;gap:40px;align-items:start}.prose{font-size:14px;line-height:2.4;min-width:0}.prose h2{font-size:21px;line-height:1.7;margin:45px 0 17px;scroll-margin-top:105px;letter-spacing:-.02em}.prose h3{font-size:16px;line-height:1.8;margin:23px 0 10px;letter-spacing:-.02em}.prose p{margin:0 0 20px}.summary-box{background:#e9eddc;border-radius:12px;padding:25px 28px;border-left:3px solid #8caa52}.summary-box .eyebrow{color:#5e713b;margin-bottom:11px}.summary-box p{margin:0;font-size:14px}.point{border-top:1px solid var(--line);padding-top:2px;margin-top:24px}.point-no{font:10px ui-monospace,monospace;color:var(--blue);display:block;margin-top:18px}.practice-box{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:4px 25px 20px}.practice-box ul{padding-left:20px;margin-bottom:6px}.practice-box li{margin:10px 0;font-size:13px}.editor-note{font-size:10px;color:var(--muted)}.toc{position:sticky;top:110px;border-left:1px solid var(--line);padding-left:19px}.toc a{display:block;font-size:10px;color:var(--muted);margin:13px 0;line-height:1.8}.toc a:hover{color:var(--blue)}.toc .eyebrow{font-size:9px}.moment-list{display:grid;gap:9px}.moment{display:flex;align-items:center;gap:13px;border:1px solid var(--line);background:var(--white);padding:11px 14px;border-radius:8px;font-size:11px;line-height:1.7}.moment time{background:#edf0ff;color:var(--blue);font:11px ui-monospace,monospace;border-radius:4px;padding:4px 7px;white-space:nowrap}.source-box{font-size:11px;color:var(--muted);border-top:1px solid var(--line);margin-top:35px;padding-top:22px;line-height:2}.source-box a{color:var(--blue);text-decoration:underline}.video-frame{aspect-ratio:16/9;background:var(--ink);border:0;width:100%;border-radius:10px}.video-placeholder{position:relative;border:0;width:100%;padding:0;background:var(--ink);border-radius:10px;overflow:hidden;aspect-ratio:16/9;color:white}.video-placeholder img{width:100%;height:100%;object-fit:cover;opacity:.7}.video-placeholder span{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);white-space:nowrap;background:var(--blue);padding:10px 18px;border-radius:40px;font-size:12px}.reading-note{width:100%;height:135px;border:1px solid var(--line);border-radius:10px;background:var(--white);padding:15px;font-size:12px;resize:vertical}.save-hint{font-size:10px;color:var(--muted);display:block}.article-nav{display:grid;grid-template-columns:1fr 1fr;gap:13px;border-top:1px solid var(--line);margin-top:40px;padding-top:24px}.article-nav a{border:1px solid var(--line);border-radius:9px;padding:16px;font-size:12px;background:var(--white)}.article-nav a small{display:block;color:var(--muted);font-size:9px;margin-bottom:7px}.article-nav a:last-child{text-align:right}.progress-track{height:3px;position:fixed;top:76px;left:0;right:0;z-index:12;pointer-events:none}.progress-track div{height:100%;width:0;background:var(--blue)}.about-page{max-width:730px;margin:auto}.about-page h1{font-size:33px;line-height:1.6}.about-page h2{margin-top:40px;font-size:20px}.about-page p,.about-page li{font-size:13px;line-height:2.2}.notice{background:#e9eddc;border-radius:12px;padding:20px 24px;margin:22px 0}.toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;padding:11px 22px;border-radius:50px;font-size:12px;z-index:30;box-shadow:0 5px 20px #0002}.export-tools{display:flex;gap:10px;flex-wrap:wrap;margin:30px 0}.file-label{display:inline-block;cursor:pointer}
@media(min-width:1500px){main{padding-left:65px;padding-right:65px}.shelf{gap:22px}.card h3{font-size:15px}}
@media(max-width:1120px){.layout{grid-template-columns:200px minmax(0,1fr)}.sidebar{padding-left:14px;padding-right:14px}main{padding:32px 4%}.hero{grid-template-columns:1.4fr 1fr}.hero h1{font-size:40px}.article-columns{grid-template-columns:1fr}.toc{display:none}.shelf{gap:12px}.card-body{padding:14px}.card h3{font-size:13px}.topbar{padding:0 25px}}
@media(max-width:800px){.topbar{height:64px;padding:0 20px}.toplinks{gap:14px}.private-pill{display:none}.menu-button{display:block}.layout{display:block}.sidebar{display:none;position:fixed;top:64px;left:0;bottom:0;height:auto;width:255px;background:var(--paper);z-index:20;box-shadow:10px 0 30px #0002}.sidebar.open{display:block}.toplinks>a{display:none}.brand{font-size:14px}.brand small{font-size:8px}.brand-mark{width:31px;height:31px}.progress-track{top:64px}main{padding:29px 22px 45px}.hero h1{font-size:39px}.hero p{font-size:11px}.hero-visual{max-width:250px}.hero{gap:0;padding-bottom:22px}.visual-note{font-size:8px;padding:6px 9px}.stats{margin-bottom:28px;gap:25px}.stat strong{font-size:23px}.stat span{font-size:9px}.shelf{grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.article-header h1{font-size:30px}.article-cover{aspect-ratio:16/9}.prose{font-size:14px}.summary-box{padding:22px}.page-footer{flex-direction:column;gap:7px}.article-actions{gap:8px}.action{padding:9px 12px}.breadcrumbs{margin-bottom:20px}}
@media(max-width:500px){main{padding:24px 18px 40px}.hero{grid-template-columns:1fr 105px;gap:0;align-items:center}.hero h1{font-size:33px;margin-top:14px;margin-bottom:15px}.hero p{font-size:10px;line-height:2;grid-column:1/-1}.hero-visual{align-self:start;margin-top:35px;width:130px;margin-left:-12px}.visual-note{font-size:6px;bottom:5px;right:1px;padding:3px 6px}.intro-kicker{font-size:9px;letter-spacing:.05em}.hero>div:first-child{position:relative;z-index:1}.stats{gap:15px;padding:18px 0}.stat{gap:5px}.stat strong{font-size:20px}.stat span{font-size:8px}.section-head h2{font-size:19px}.section-head p{font-size:9px}.shelf{gap:11px}.card{border-radius:10px}.card-body{padding:12px}.card h3{font-size:12px;margin-bottom:8px}.card-meta{font-size:8px;gap:5px}.card p{font-size:10px}.card-bottom{margin-top:12px;padding-top:9px;font-size:8px}.toolbar{gap:8px}.search-box{min-width:100%;flex-basis:100%}.toolbar select{flex:1;min-width:0;padding:10px;font-size:10px}.tabs{gap:16px}.tabs button{font-size:10px}.result-count{font-size:9px}.article-header h1{font-size:27px}.article-header .dek{font-size:13px}.article-columns{gap:10px}.prose{font-size:13px}.prose h2{font-size:19px}.prose h3{font-size:15px}.summary-box{padding:20px}.summary-box p{font-size:13px}.article-cover{margin-bottom:24px}.resume{padding:18px}.resume h2{font-size:13px}.resume a{font-size:10px}.article-nav a{font-size:11px;padding:13px}.category-intro h1{font-size:29px}.practice-box{padding:3px 19px 16px}.private-pill{display:none}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{.topbar,.sidebar,.article-actions,.toc,.video-placeholder,.article-nav,.page-footer,#personal-note,.progress-track{display:none!important}.layout{display:block}main{padding:0}.article-cover{max-height:220px}.prose{font-size:11pt}.summary-box{break-inside:avoid}body{background:white}}

.video-example{border:1px solid #d9dfea;border-left:3px solid var(--blue);border-radius:10px;background:#fffefa;padding:20px 23px;margin:22px 0 28px}.example-top{display:flex;align-items:center;justify-content:space-between;gap:15px;color:var(--blue);font-size:10px;line-height:1.7;letter-spacing:.04em}.example-top a{white-space:nowrap;font-family:ui-monospace,monospace}.video-example h4{font-size:15px;line-height:1.9;margin:12px 0 10px}.video-example p{font-size:13px;line-height:2.25;margin:0 0 13px}.video-example p:last-child{margin-bottom:0}.prose>.point:first-of-type{margin-top:0}.prose>#takeaways:first-child{margin-top:0}@media(max-width:500px){.video-example{padding:17px 18px}.video-example h4{font-size:14px}.video-example p{font-size:12px}}

.point,.practice-box,#personal-note{scroll-margin-top:105px}

/* Article reading layout */
.article-page{background:#fff;color:#202a36}
.article-page .topbar{background:#fff;border-color:#e6e9ee}
.article-page .layout{display:block;max-width:1232px}
.article-page main{padding:36px 48px 64px}
.article-page .sidebar{display:none;position:fixed;top:76px;left:0;bottom:0;width:270px;height:auto;background:#fff;z-index:20;box-shadow:10px 0 40px #17243b1a;padding:28px 20px;overflow:auto}
.article-page .sidebar.open{display:block}
.article-page .menu-button{display:block;font-size:21px;border:1px solid #e1e5ed;border-radius:8px;padding:3px 10px;line-height:1.7}
.article-page .article-wrap{max-width:none}
.article-page .breadcrumbs{font-size:12px;gap:12px;margin:0 0 32px;color:#687486}
.article-page .breadcrumbs a:hover{color:var(--blue)}
.article-page .article-header{display:grid;grid-template-columns:minmax(0,1fr) 330px;column-gap:54px;row-gap:24px;align-items:center;padding:0 0 36px;margin-bottom:44px;border-bottom:1px solid #e2e7ee}
.article-category{display:inline-flex;align-items:center;gap:10px;color:var(--blue);font:700 12px ui-monospace,monospace;letter-spacing:.03em}
.article-category>span{font:600 12px 'Noto Sans JP',sans-serif;background:#eef2ff;border-radius:5px;padding:4px 10px}
.article-page .article-header h1{font-size:clamp(30px,3vw,42px);line-height:1.5;letter-spacing:-.035em;margin:18px 0;font-weight:800;overflow-wrap:anywhere}
.article-page .article-header .dek{font-size:16px;line-height:1.95;color:#536174;margin:0 0 20px;max-width:650px}
.article-page .article-header .card-meta{font-size:12px;gap:20px;margin:0;color:#6b7788}
.article-thumbnail{margin:0;align-self:center}
.article-page .article-cover{aspect-ratio:16/9;border:1px solid #e5e8ed;border-radius:12px;margin:0}
.article-thumbnail figcaption{font-size:10px;color:#788394;margin-top:9px;line-height:1.6}
.article-page .article-actions{grid-column:1/-1;display:flex;align-items:center;gap:10px;margin:0}
.article-page .action{font-size:12px;font-weight:600;min-height:42px;padding:9px 15px;background:#fff;border-color:#dce1e9;color:#435064}
.article-page .action.primary{background:var(--blue);color:#fff;border-color:var(--blue)}
.article-page .action[aria-pressed=true]{background:#edf3df;border-color:#d7e4bd;color:#36531a}
.article-page .action:hover{filter:brightness(.97)}
.article-page .article-columns{display:grid;grid-template-columns:minmax(0,736px) minmax(200px,240px);grid-template-areas:'body toc';gap:64px;align-items:start}
.article-page .prose{grid-area:body;font-size:17px;line-height:2.15;letter-spacing:.015em;color:#303b49}
.article-page .prose p{margin:0 0 25px;overflow-wrap:anywhere}
.article-page .prose strong{font-weight:700;color:#1b2b44;background:linear-gradient(transparent 72%,#e7edff 72%);padding-bottom:2px}
.article-page .prose h2{font-size:27px;font-weight:750;line-height:1.6;color:#172945;letter-spacing:-.025em;margin:0 0 15px}
.article-page .prose .body-label{font-size:12px;letter-spacing:.04em;color:#788394;font-weight:500;margin:0 0 19px}
.article-page .point{padding:0;margin:0 0 50px;border:0;scroll-margin-top:108px}
.point-heading{display:flex;align-items:flex-start;gap:15px;padding:0 0 17px;margin:0 0 24px;border-bottom:2px solid #20395a}
.article-page .point-no{display:grid;place-items:center;flex:0 0 38px;height:38px;margin:3px 0 0;border-radius:9px;background:#edf2ff;color:#3154bd;font:700 17px ui-monospace,monospace;letter-spacing:0}
.article-page .point h3{font-size:26px;line-height:1.65;letter-spacing:-.03em;margin:0;font-weight:750;color:#192d49}
.article-page .video-example{border:1px solid #eedfca;border-left:4px solid #d8983b;background:#fffbf3;padding:24px 28px 25px;margin:28px 0 0;border-radius:10px}
.article-page .example-top{color:#97611d;font-size:11px;line-height:1.8;letter-spacing:0;font-weight:700;align-items:center;gap:12px}
.article-page .example-top a{font-family:inherit;font-size:11px;font-weight:500;color:#855815;background:#fff;border:1px solid #e8d9c1;border-radius:5px;padding:4px 9px;white-space:nowrap}
.article-page .video-example h4{font-size:20px;font-weight:750;line-height:1.7;letter-spacing:-.02em;color:#6e471d;margin:13px 0 12px}
.article-page .video-example p{font-size:16px;line-height:2.05;color:#574b3d;letter-spacing:.01em;margin:0 0 20px}
.article-page .video-example p:last-child{margin-bottom:0}
.article-page .toc{grid-area:toc;display:block;position:sticky;top:112px;padding:23px 20px;background:#f7f8fb;border:1px solid #e6eaf0;border-radius:12px}
.toc-title{font-size:12px;font-weight:700;color:#334761;margin:0 0 14px}
.article-page .toc a{font-size:12px;line-height:1.85;letter-spacing:0;color:#657185;margin:0}
.article-page .toc-points a{display:flex;align-items:flex-start;gap:9px;padding:11px 8px;border-radius:6px;margin:3px -8px}
.toc-points a>span:first-child{font:500 11px ui-monospace,monospace;color:#8795a9;padding-top:4px;flex:0 0 20px}
.article-page .toc a:hover{color:var(--blue);background:#edf1fc}
.article-page .toc-points a[aria-current=location]{background:#e8edff;color:#2447b8;font-weight:700}
.article-page .toc-points a[aria-current=location]>span:first-child{color:#2447b8}
.toc-tools{margin-top:16px;padding-top:13px;border-top:1px solid #e0e5ed}
.article-page .toc-tools a{font-size:11px;padding:7px 0}
.article-page .toc-tools a[aria-current=location]{color:#2447b8;font-weight:700}
.article-page .practice-box{background:#f1f5ff;border:1px solid #dce5fb;border-radius:12px;padding:28px 30px;margin:8px 0 48px;scroll-margin-top:108px}
.section-kicker{font-size:11px;font-weight:600;letter-spacing:.03em;color:#657aa4;line-height:1.8;margin:0 0 8px}
.article-page .practice-box h2{font-size:24px;margin:0 0 9px}
.article-page .editor-note{font-size:13px;line-height:1.9;color:#738096;letter-spacing:0;display:block}
.article-page .practice-box .editor-note{margin-bottom:20px}
.article-page .practice-box ul{padding:0;margin:0;list-style:none;display:grid;gap:18px}
.article-page .practice-box li{font-size:16px;line-height:1.95;position:relative;padding-left:24px;margin:0}
.article-page .practice-box li:before{content:'↗';position:absolute;left:0;color:#4262ad;font-size:17px;font-weight:700}
.source-section{padding:0 0 40px;border-bottom:1px solid #e2e7ee;margin-bottom:36px}
.article-page .prose #source{scroll-margin-top:108px}
.article-page .moment-list{gap:0;border:1px solid #e1e6ee;border-radius:10px;overflow:hidden;margin:20px 0 32px}
.article-page .moment{border:0;border-radius:0;border-bottom:1px solid #e9edf2;background:#fff;padding:15px 18px;font-size:14px;gap:15px;line-height:1.8}
.article-page .moment:last-child{border-bottom:0}
.article-page .moment:hover{background:#f5f7fd}
.article-page .moment time{font-size:12px;padding:5px 8px;background:#eef2ff}
.article-page .prose .source-section>h3{font-size:18px;line-height:1.7;margin:24px 0 14px}
.article-page .video-placeholder span{font-size:14px;padding:12px 20px}
.article-page .source-box{font-size:12px;line-height:1.95;border:0;background:#f7f8fa;padding:19px 21px;margin-top:20px;border-radius:9px;color:#728095}
.article-page #personal-note{scroll-margin-top:108px;padding:28px 30px;background:#f7f8fa;border:1px solid #e6eaf0;border-radius:12px}
.article-page #personal-note h2{font-size:24px;margin:0 0 10px}
.article-page #personal-note label{margin-bottom:15px}
.article-page .reading-note{font-size:16px;line-height:1.9;height:170px;border:1px solid #d7dfe9;background:#fff;padding:18px;border-radius:8px}
.article-page .save-hint{font-size:11px;line-height:1.8;margin-top:8px;color:#7c8798}
.article-page .article-nav{margin:44px 0 0;max-width:736px;padding-top:30px;border-color:#e2e7ee;gap:16px}
.article-page .article-nav a{font-size:15px;padding:19px 22px;line-height:1.8;background:#fff;border-color:#dfe5ed}
.article-page .article-nav a:hover{border-color:#839bd9;background:#f8faff}
.article-page .article-nav small{font-size:11px;margin-bottom:9px;color:#76849a}
.article-page .page-footer{font-size:11px;max-width:1136px;margin:56px auto 0;border-color:#e2e7ee;color:#788394}
@media(min-width:1500px){.article-page main{padding-left:48px;padding-right:48px}}
@media(max-width:1120px){.article-page main{padding:32px 36px 50px}.article-page .article-header{grid-template-columns:minmax(0,1fr) 290px;gap:22px 35px}.article-page .article-columns{grid-template-columns:minmax(0,1fr) 210px;gap:38px}.article-page .point h3{font-size:23px}.article-page .prose{font-size:16px}.article-page .video-example p{font-size:15px}}
@media(max-width:900px){.article-page .article-columns{display:flex;flex-direction:column;gap:32px;max-width:736px;margin:auto}.article-page .toc{position:static;width:100%;padding:21px 24px}.article-page .toc-title{margin-bottom:8px}.article-page .toc-points a{font-size:14px;padding:8px;margin:0 -8px}.article-page .toc-tools{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:12px;padding-top:12px}.article-page .toc-tools a{font-size:12px;padding:0}.article-page .article-header{gap:20px 25px;grid-template-columns:minmax(0,1fr) 245px}.article-page .article-header h1{font-size:30px}.article-page .article-header .dek{font-size:14px}.article-page .article-nav{margin-left:auto;margin-right:auto}.article-page .prose{width:100%;font-size:17px}.article-page .point h3{font-size:25px}.article-page .video-example p{font-size:16px}}
@media(max-width:800px){.article-page main{padding:27px 24px 44px}.article-page .sidebar{top:64px}.article-page .topbar{padding:0 20px}.article-page .breadcrumbs{margin-bottom:25px;font-size:11px;gap:10px}.article-page .article-header{margin-bottom:28px;padding-bottom:28px}.article-page .page-footer{font-size:10px}.article-page .private-pill{display:none}}
@media(max-width:600px){.article-page main{padding:24px 20px 40px}.article-page .article-header{grid-template-columns:minmax(0,1fr);gap:19px}.article-page .article-header h1{font-size:30px;line-height:1.55;margin:14px 0}.article-page .article-header .dek{font-size:15px;line-height:1.95;margin-bottom:15px}.article-page .article-header .card-meta{font-size:11px;gap:17px}.article-thumbnail{width:100%;max-width:380px}.article-thumbnail figcaption{display:none}.article-page .article-cover{border-radius:9px}.article-page .article-actions{gap:8px}.article-page .action{font-size:11px;padding:8px 10px;min-height:40px}.article-page .article-columns{gap:30px}.article-page .toc{padding:18px 20px;border-radius:9px}.article-page .toc-points a{font-size:13px;line-height:1.8;gap:5px}.article-page .toc-tools{gap:8px 14px}.article-page .toc-tools a{font-size:11px}.article-page .prose{font-size:16px;line-height:2.1;letter-spacing:.01em}.article-page .prose p{margin-bottom:23px}.article-page .prose .body-label{font-size:11px;margin-bottom:17px}.article-page .point{margin-bottom:39px;scroll-margin-top:90px}.point-heading{gap:11px;padding-bottom:15px;margin-bottom:22px}.article-page .point-no{height:31px;flex-basis:31px;border-radius:7px;font-size:14px;margin-top:3px}.article-page .point h3{font-size:22px;line-height:1.65}.article-page .video-example{padding:20px;margin-top:24px;border-radius:8px;border-left-width:3px}.article-page .example-top{font-size:10px;gap:8px;flex-wrap:wrap}.article-page .example-top a{font-size:10px;padding:4px 7px}.article-page .video-example h4{font-size:18px;margin:12px 0 11px;line-height:1.75}.article-page .video-example p{font-size:15px;line-height:2.05}.article-page .prose h2{font-size:24px}.article-page .practice-box{padding:23px 21px;margin:0 0 36px;scroll-margin-top:90px}.article-page .practice-box h2,.article-page #personal-note h2{font-size:21px}.article-page .practice-box li{font-size:15px;line-height:1.95}.article-page .editor-note{font-size:12px}.article-page .moment{padding:13px 12px;font-size:13px;gap:10px}.article-page .moment time{font-size:11px;padding:4px 6px}.article-page .prose #source,.article-page #personal-note{scroll-margin-top:90px}.article-page .source-box{padding:17px;font-size:11px}.article-page #personal-note{padding:22px 20px}.article-page .reading-note{padding:13px}.article-page .save-hint{font-size:10px}.article-page .article-nav{gap:10px;margin-top:34px;padding-top:24px}.article-page .article-nav a{padding:15px;font-size:13px}.article-page .article-nav small{font-size:10px}.article-page .video-placeholder span{font-size:12px;padding:10px 15px}.source-section{padding-bottom:30px;margin-bottom:30px}}
@media print{.article-page .toc,.article-page .sidebar{display:none!important}.article-page main{padding:0}.article-page .article-columns{display:block}.article-page .prose{font-size:11pt}.article-page .point h3{font-size:17pt}.article-page .video-example,.article-page .practice-box{break-inside:avoid}.article-page .article-header{grid-template-columns:1fr 200px}.article-page #personal-note{display:none}}
.article-page .article-header .dek{text-wrap:balance}
@media(max-width:600px){.article-page .article-actions{display:grid;grid-template-columns:1fr 1fr}.article-page .article-actions .primary{grid-column:1/-1;text-align:center}.article-page .article-actions .action{font-size:12px}}

.menu-label{font-size:11px;font-weight:600;letter-spacing:0}.library-page .menu-label{display:none}.article-page .menu-button{display:flex;align-items:center;gap:6px}
@media(max-width:600px){.article-page .article-actions .action{min-height:44px}}
.article-page .article-header .dek{max-width:600px;text-wrap:pretty}