.rr.learn-index,.rr.learn-article{padding:40px 0 96px}.rr .dossier-head{display:grid;gap:22px;padding-bottom:40px;border-bottom:1px solid var(--rr-line);margin-bottom:20px}.rr .dossier-head .meta{display:flex;flex-wrap:wrap;gap:8px 28px}@media(max-width:767px){.rr .dossier-head .meta{flex-wrap:nowrap;gap:0 14px;white-space:nowrap;overflow:hidden}.rr .dossier-head .meta>span:first-child:after{content:" \b7"}.rr .dossier-head .meta .pfx,.rr .dossier-head .meta>span:nth-child(3){display:none}}.rr .dossier-head h1{font-size:clamp(48px,7vw,112px);letter-spacing:-.03em;line-height:.92;max-width:12ch}.rr .dossier-head .lead{font-size:clamp(17px,1.5vw,21px);line-height:1.4;color:var(--rr-fg-2);max-width:52ch}.rr .filters{display:flex;flex-wrap:nowrap;gap:6px;padding:6px 0 28px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}.rr .filters::-webkit-scrollbar{display:none}.rr .filters a{--bc: var(--rr-line);--c: 8px;position:relative;flex:0 0 auto;padding:8px 12px;border:1px solid var(--bc);border-radius:5px 5px 0;clip-path:polygon(0 0,100% 0,100% calc(100% - var(--c)),calc(100% - var(--c)) 100%,0 100%);color:var(--rr-mute);text-decoration:none;text-transform:uppercase;letter-spacing:.04em;white-space:nowrap;transition:color .2s,border-color .2s}.rr .filters a:after{content:"";position:absolute;right:-1px;bottom:-1px;width:var(--c);height:var(--c);pointer-events:none;background:linear-gradient(to bottom right,transparent calc(50% - 1.2px),var(--bc) calc(50% - 1.2px),var(--bc) calc(50% + .3px),transparent calc(50% + .3px))}.rr .filters a:hover{--bc: var(--rr-line-2);color:var(--rr-fg)}.rr .filters a[aria-current]{--bc: var(--rr-fg);color:var(--rr-fg)}@media(max-width:480px){.rr .filters{gap:5px}.rr .filters a{padding:7px 9px;font-size:10px;letter-spacing:.03em}}.rr .feature{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:end;text-decoration:none;color:var(--rr-fg);padding-bottom:40px;margin-bottom:8px;border-bottom:1px solid var(--rr-line)}.rr .feature .pic{position:relative;aspect-ratio:16 / 10;background:var(--rr-bg-2)}.rr .feature .pic img{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover}.rr .feature .pic .lab{position:absolute;left:20px;top:20px;z-index:2}.rr .feature .txt{display:grid;gap:16px}.rr .feature .row{display:flex;flex-wrap:wrap;gap:6px 20px}.rr .feature h2{font-size:clamp(30px,3.6vw,52px);letter-spacing:-.03em;line-height:1}.rr .feature p{color:var(--rr-fg-2);font-size:16px;max-width:46ch}.rr .feature .go{color:var(--rr-fg);font-size:14px}.rr .feature:hover .go span{color:var(--rr-core)}.rr .index-head,.rr .doc{display:grid;grid-template-columns:110px 100px 1fr 200px 70px;gap:20px;align-items:center}.rr .index-head{padding:14px 0 10px;border-bottom:1px solid var(--rr-line);color:var(--rr-mute)}.rr .doc{padding:18px 0;border-bottom:1px solid var(--rr-line);text-decoration:none;color:var(--rr-fg);transition:background .2s var(--rr-ease)}.rr .doc:hover{background:linear-gradient(90deg,var(--rr-bg-2),transparent)}.rr .doc .t{display:flex;gap:16px;align-items:center;min-width:0}.rr .doc .thumb{flex:0 0 56px;width:56px;height:56px;border-radius:var(--rr-r-tile);overflow:hidden;background:var(--rr-bg-2)}.rr .doc .thumb img{width:100%;height:100%;object-fit:cover;display:block}.rr .doc .t>span:last-child{display:grid;gap:4px;min-width:0}.rr .doc b{font-weight:500;font-size:20px;letter-spacing:-.03em;line-height:1.1}.rr .doc em{font-style:normal;color:var(--rr-mute);font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.rr .doc:hover b:before{content:"";display:inline-block;width:6px;height:6px;background:var(--rr-core);margin-right:10px;vertical-align:middle}.rr .pages{display:flex;justify-content:space-between;padding-top:24px}.rr .pages a{color:var(--rr-fg);text-decoration:none}.rr .memo-head{display:grid;grid-template-columns:300px 1fr;gap:48px;align-items:start;padding-bottom:40px;border-bottom:1px solid var(--rr-line);margin-bottom:24px}.rr .sheet{display:grid;margin:0;border-top:1px solid var(--rr-line)}.rr .sheet>div{display:grid;grid-template-columns:90px 1fr;gap:12px;padding:10px 0;border-bottom:1px solid var(--rr-line)}.rr .sheet dt{color:var(--rr-mute)}.rr .sheet dd{margin:0;color:var(--rr-fg-2)}.rr .sheet dd a{color:inherit;text-decoration:none}.rr .sheet dd a:hover{color:var(--rr-fg)}.rr .memo-head .title{display:grid;gap:22px;margin:0;padding:0;align-content:start}.rr .memo-head .crumb{line-height:1;margin-top:10px}.rr .crumb{color:var(--rr-mute);text-decoration:none}.rr .crumb:hover{color:var(--rr-fg)}.rr .memo-head h1{font-size:clamp(40px,5.6vw,88px);letter-spacing:-.03em;line-height:.95;max-width:16ch}.rr .brief{display:grid;gap:12px;padding:22px 24px;background:var(--rr-bg-2);border:1px solid var(--rr-line);border-radius:var(--rr-r-card);max-width:64ch}.rr .brief p{font-size:17px;line-height:1.45;color:var(--rr-fg);letter-spacing:-.03em}.rr .points{margin:4px 0 0;padding:0;list-style:none;display:grid;gap:8px;counter-reset:pt}.rr .points li{position:relative;padding-left:36px;color:var(--rr-fg-2);font-size:15px;line-height:1.45;counter-increment:pt}.rr .points li:before{content:counter(pt,decimal-leading-zero);position:absolute;left:0;top:2px;font-family:var(--rr-mono);font-size:11px;color:var(--rr-mute)}.rr .hero{position:relative;aspect-ratio:21 / 9;background:var(--rr-bg-2);margin:0 0 48px}.rr .hero img{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover}.rr .hero .lab{position:absolute;left:20px;bottom:18px;z-index:2}.rr .body-grid{display:grid;grid-template-columns:240px minmax(0,68ch);gap:64px;align-items:start}.rr .rail{align-self:stretch}.rr .rail .sticky{position:sticky;top:calc(var(--rr-nav-h, 84px) + 16px);display:grid;gap:14px}.rr .rail .toc-bar{display:none}.rr .rail.empty{visibility:hidden}.rr .toc{list-style:none;margin:0;padding:0;display:grid}.rr .toc li a{display:grid;grid-template-columns:28px minmax(0,1fr);gap:8px;padding:8px 0;border-top:1px solid var(--rr-line);color:var(--rr-mute);text-decoration:none;text-transform:none;letter-spacing:0;font-family:var(--rr-sans);font-size:13px}.rr .toc li a span{font-family:var(--rr-mono);font-size:11px}.rr .toc li.on a,.rr .toc li a:hover{color:var(--rr-fg)}.rr .progress{height:1px;background:var(--rr-line);overflow:hidden}.rr .progress i{display:block;height:100%;background:var(--rr-core);transform-origin:left;transform:scaleX(0)}.rr .prose{font-size:17px;line-height:1.6;color:var(--rr-fg-2);min-width:0;max-width:100%}.rr .prose>*+*{margin-top:1.1em}.rr .prose h2{font-size:clamp(26px,2.6vw,34px);letter-spacing:-.03em;line-height:1.1;color:var(--rr-fg);margin-top:2.2em;padding-top:22px;border-top:1px solid var(--rr-line);display:grid;grid-template-columns:48px 1fr;gap:12px;align-items:baseline}.rr .prose h2:before{content:attr(data-n);font-family:var(--rr-mono);font-size:11px;letter-spacing:.04em;color:var(--rr-mute)}.rr .prose h3{font-size:21px;letter-spacing:-.03em;color:var(--rr-fg);margin-top:1.8em}.rr .prose *{color:inherit}.rr .prose h4,.rr .prose h5,.rr .prose h6{color:var(--rr-fg);font-size:18px;letter-spacing:-.03em;line-height:1.3;margin-top:1.4em}.rr .prose h4+p,.rr .prose h5+p,.rr .prose h6+p{margin-top:.5em}.rr .prose blockquote h4,.rr .prose blockquote h5,.rr .prose blockquote h6{font-size:inherit;margin:0}.rr .prose blockquote>*+*{margin-top:.6em}.rr .prose figure.bleed{margin:2.4em 0}.rr .prose figure.bleed.full{width:var(--vw, 100vw);margin-left:calc(-1 * var(--bleed-left, 0px))}.rr .prose figure.bleed.wide{width:var(--wrap-w, 100%);margin-left:calc(-1 * var(--bleed-left, 0px) + var(--wrap-left, 0px))}.rr .prose figure.bleed img{width:100%;height:auto;border-radius:0}.rr .prose figure.bleed.wide img{border-radius:var(--rr-r-card)}.rr .prose figure.bleed figcaption{font-family:var(--rr-mono);font-size:11px;letter-spacing:.04em;text-transform:uppercase;color:var(--rr-mute);margin-top:10px;padding:0 var(--rr-g)}.rr .prose figure.bleed.wide figcaption{padding:0}.rr .body-grid{overflow:visible}.rr .prose strong{color:var(--rr-fg);font-weight:500}.rr .prose a{color:var(--rr-fg);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--rr-line-2)}.rr .prose a:hover{text-decoration-color:var(--rr-fg)}.rr .prose img{max-width:100%;height:auto;border-radius:var(--rr-r-card);display:block}.rr .prose ul,.rr .prose ol{padding-left:1.2em}.rr .prose li+li{margin-top:.4em}.rr .prose blockquote{margin:1.6em 0;padding:0 0 0 20px;border-left:1px solid var(--rr-core);color:var(--rr-fg);font-size:20px;letter-spacing:-.03em}.rr .prose table{width:100%;border-collapse:collapse;font-size:15px}.rr .prose td,.rr .prose th{padding:10px 0;border-bottom:1px solid var(--rr-line);text-align:left;vertical-align:top}.rr .prose th{color:var(--rr-mute);font-family:var(--rr-mono);font-size:11px;letter-spacing:.04em;text-transform:uppercase;font-weight:400}.rr .related{margin-top:64px;padding-top:24px;border-top:1px solid var(--rr-line);display:grid;gap:16px}.rr .related .tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.rr .related .tile{display:grid;grid-template-columns:64px 1fr;grid-template-rows:auto auto;gap:2px 16px;align-items:center;padding:14px;border:1px solid var(--rr-line);border-radius:var(--rr-r-tile);text-decoration:none;color:var(--rr-fg);background:var(--rr-bg-2)}.rr .related .tile .im{grid-row:span 2;width:64px;height:64px;border-radius:12px;overflow:hidden;background:var(--rr-bg)}.rr .related .tile .im img{width:100%;height:100%;object-fit:cover}.rr .related .tile .n{font-size:16px;font-weight:500}.rr .related .tile:hover{border-color:var(--rr-line-2)}.rr .memo-foot{margin-top:64px;padding-top:20px;border-top:1px solid var(--rr-line);display:grid;gap:20px}.rr .nextprev{display:grid;grid-template-columns:1fr 1fr;gap:24px}.rr .nextprev a{display:grid;gap:6px;text-decoration:none;color:var(--rr-fg)}.rr .nextprev a.r{text-align:right}.rr .nextprev b{font-weight:500;font-size:20px;letter-spacing:-.03em}@media(max-width:900px){.rr .feature{grid-template-columns:1fr;gap:20px}.rr .index-head{display:none}.rr .doc{grid-template-columns:1fr;gap:6px}.rr .doc>.m:first-child{order:-1}.rr .doc .m:nth-child(2),.rr .doc .m:nth-child(4),.rr .doc .m:nth-child(5){display:none}.rr .memo-head{grid-template-columns:1fr;gap:24px}.rr .memo-head .sheet{order:2}.rr .body-grid{grid-template-columns:minmax(0,1fr);gap:24px}.rr .prose h2{grid-template-columns:32px 1fr;gap:8px}.rr .rail{min-width:0;position:sticky;top:var(--rr-nav-h, 68px);z-index:20;margin:0 calc(-1 * var(--rr-g));background:var(--rr-bg);transition:top .32s var(--rr-ease)}body:has(.rr-header.is-hidden) .rr .rail{top:0}.rr .rail .sticky{position:static;display:block}.rr .rail .toc-label{display:none}.rr .rail .toc-bar{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;width:100%;padding:12px var(--rr-g);background:none;border:0;border-top:1px solid var(--rr-line);color:var(--rr-mute);font:inherit;text-align:left;cursor:pointer;-webkit-tap-highlight-color:transparent}.rr .rail .toc-bar .tb-l{color:var(--rr-fg)}.rr .rail .toc-bar .tb-now{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.rr .rail .toc-bar .tb-chev{width:8px;height:8px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:translateY(-2px) rotate(45deg);transition:transform .24s var(--rr-ease)}.rr .rail.open .toc-bar .tb-chev{transform:translateY(2px) rotate(225deg)}.rr .rail .progress{position:absolute;left:0;right:0;bottom:0;z-index:2}.rr .rail .toc{display:none;position:absolute;left:0;right:0;top:100%;z-index:1;padding:4px var(--rr-g) 12px;background:var(--rr-bg);border-bottom:1px solid var(--rr-line);box-shadow:0 24px 40px -20px #0009}.rr .rail.open .toc{display:grid}.rr .rail .toc li:first-child a{border-top:0}.rr .rail.empty{display:none}.rr .hero{aspect-ratio:4 / 3}.rr .related .tiles,.rr .nextprev{grid-template-columns:1fr}.rr .nextprev a.r{text-align:left}}@media print{.rr-header,.rr-footer,.rr .rail,.rr .related,.rr .nextprev{display:none!important}.rr.learn-article{color:#000}}.rr .glossary{display:grid;margin:0}.rr .glossary>div{display:grid;grid-template-columns:260px 1fr;gap:24px;padding:18px 0;border-bottom:1px solid var(--rr-line);scroll-margin-top:90px}.rr .glossary dt{font-size:20px;font-weight:500;letter-spacing:-.03em;color:var(--rr-fg)}.rr .glossary dd{margin:0;color:var(--rr-fg-2);font-size:16px;line-height:1.5;max-width:62ch}.rr .glossary dd a{margin-left:10px;color:var(--rr-mute);text-decoration:none}.rr .glossary dd a:hover{color:var(--rr-fg)}@media(max-width:900px){.rr .glossary>div{grid-template-columns:1fr;gap:6px}}.rr .toc li a em{font-style:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
/*# sourceMappingURL=/cdn/shop/t/47/assets/learn.css.map */