.ed .learn-frame{--hx-frame-w:800px}.ed .learn-index{--hx-section-gap:clamp(3rem, 6vw, 5rem)}.ed .learn-list{border-top:1px solid var(--line);text-align:left;max-width:min(100%,1180px);margin:0 auto;padding:0;list-style:none}.ed .learn-row{border-bottom:1px solid var(--line);justify-content:space-between;align-items:baseline;gap:20px 36px;padding:clamp(1.5rem,3vw,2.15rem) .3rem;display:flex}.ed .learn-row__main{min-width:0;max-width:44rem}.ed .learn-row__t{letter-spacing:-.025em;font-size:24px;font-weight:400;line-height:1.35;transition:color .16s linear;display:block}.ed .learn-row:hover .learn-row__t{color:var(--hx-act-hover)}.ed .learn-row__d{color:var(--ink-2);letter-spacing:-.01em;margin-top:.6rem;font-size:17px;line-height:1.7;display:block}.ed .learn-row__meta{color:var(--ink-3);white-space:nowrap;flex:none;align-items:center;gap:.6rem;font-size:13px;line-height:1.5;display:inline-flex}.ed .learn-row__meta .hx-link__chev{color:var(--ink);font-size:17px}.ed .learn-row:hover .learn-row__meta .hx-link__chev{transform:translate(3px)}@media (max-width:734px){.ed .learn-row{flex-direction:column;gap:16px}.ed .learn-row__t{font-size:21px}.ed .learn-row__meta{justify-content:space-between;width:100%}}.ed .article-frame{--hx-frame-w:var(--rail-text)}.ed .article-main{--hx-section-gap:clamp(3rem, 6vw, 4.5rem)}.ed .article{max-width:var(--rail-text);text-align:left;margin:0 auto}.ed .article__title{letter-spacing:-.032em;color:var(--ink);text-wrap:balance;margin-top:1.4rem;font-size:clamp(2.5rem,5vw,3.75rem);font-weight:400;line-height:1.06}.ed .article__title:first-child{margin-top:0}.ed .article__date{color:var(--ink-2);flex-wrap:wrap;align-items:baseline;gap:6px 10px;margin-top:1.25rem;font-size:13px;line-height:1.6;display:flex}.ed .article__date a{text-underline-offset:3px;text-decoration:underline}.ed .article__intro{letter-spacing:-.012em;color:var(--ink);margin-top:1.5rem;font-size:21px;line-height:1.6}.ed .article__contents{border-top:1px solid var(--rule);margin-top:32px;padding-top:24px}.ed .article__contents>p{color:var(--ink);font-size:13px;font-weight:600}.ed .article__contents ol{grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 26px;margin:12px 0 0;padding:0;list-style:none;display:grid}.ed .article__contents a{align-items:baseline;gap:10px;padding-block:6px;font-size:14px;line-height:1.6;display:flex}.ed .article__contents a>span{color:var(--ink-3);font-variant-numeric:tabular-nums;flex:none;font-size:12px}.ed .article__contents a:hover{text-underline-offset:4px;text-decoration:underline}.ed .article__body{margin:0}.ed .article__sec{border-top:1px solid var(--line);padding:clamp(1.8rem,3.5vw,2.6rem) 0;scroll-margin-top:32px}.ed .article__sec:first-child{border-top:0;padding-top:0}.ed .article__sec h2{letter-spacing:-.02em;font-size:28px;font-weight:400;line-height:1.3}.ed .article__sec p{color:var(--ink-2);letter-spacing:-.01em;margin-top:1rem;font-size:17px;line-height:1.8}.ed .article__sec ul{margin:1.1rem 0 0;padding-left:1.3rem;list-style:outside}.ed .article__sec li{color:var(--ink-2);letter-spacing:-.01em;margin-top:.5rem;font-size:17px;line-height:1.8}.ed .article__sec li::marker{color:var(--ink)}.ed .article__sec a{text-underline-offset:4px;color:var(--ink);text-decoration:underline}.ed .article__sec a:hover{color:var(--hx-act-hover)}.ed .article__related{border-top:1px solid var(--line);margin-top:3rem;padding-top:2rem}.ed .article__related h2{letter-spacing:-.02em;font-size:28px;font-weight:400}.ed .article__related ul{gap:.85rem;margin-top:1.25rem;padding:0;list-style:none;display:grid}.ed .article__related a{text-underline-offset:4px;font-size:16px;line-height:1.5;text-decoration:underline}.ed .article__related a:hover{color:var(--hx-act-hover)}.ed .article-coda .hx-lead{max-width:34rem}@media (max-width:734px){.ed .article__contents ol{grid-template-columns:1fr;row-gap:0}.ed .article__intro{font-size:18px}.ed .article__sec h2{font-size:24px}.ed .article__sec :is(p,li){font-size:16px}}@media (prefers-reduced-motion:reduce){.ed .learn-row__meta .hx-link__chev{transition:none!important}}