/* Section 02 — sticky contents + reading column (chapter typography lives in base.css) */
.ucded-v3-page .ucded-v3-article__grid{position:relative;display:grid;grid-template-columns:minmax(0,290px) minmax(0,740px);justify-content:center;gap:clamp(32px,5vw,88px);width:100%;max-width:min(1200px,92vw);margin:0 auto;padding:clamp(44px,6vw,80px) clamp(20px,2vw,24px) clamp(56px,8vh,96px);}
.ucded-v3-page .ucded-v3-article__toc{position:relative;}
.ucded-v3-page .ucded-v3-article__toc-inner{position:sticky;top:104px;}
.ucded-v3-page .ucded-v3-article__toc-title{margin-bottom:14px;font-size:12px;font-weight:600;letter-spacing:0.2em;text-transform:uppercase;color:var(--text-muted);}
.ucded-v3-page .ucded-v3-article__toc-nav{display:flex;flex-direction:column;}
.ucded-v3-page a.ucded-v3-toclink{position:relative;display:block;padding:9px 0 9px 16px;border-left:1px solid var(--border-subtle);border-radius:0 8px 8px 0;font-size:1rem;line-height:1.45;color:var(--text-muted);transition:color var(--dur-fast) var(--ease-standard),border-color var(--dur-fast) var(--ease-standard),background var(--dur-fast) var(--ease-standard);}
.ucded-v3-page a.ucded-v3-toclink:hover{color:var(--text-strong);}
.ucded-v3-page a.ucded-v3-toclink.is-active{color:var(--text-strong);border-left-color:transparent;background:linear-gradient(90deg, color-mix(in srgb, var(--blue) 22%, transparent), transparent);}
.ucded-v3-page a.ucded-v3-toclink.is-active::before{content:"";position:absolute;left:-1px;top:4px;bottom:4px;width:2px;border-radius:2px;background:linear-gradient(180deg,#5892fe,#BC57BC);}
.ucded-v3-page a.ucded-v3-article__toc-cta{display:inline-flex;margin-top:26px;}
.ucded-v3-page .ucded-v3-article__body{min-width:0;}
.ucded-v3-page .ucded-v3-article__body > .ucded-v3-chapter:last-child > :last-child{margin-bottom:0;}
@media (max-width:960px){
  .ucded-v3-page .ucded-v3-article__grid{grid-template-columns:minmax(0,1fr);}
  .ucded-v3-page .ucded-v3-article__toc{display:none;}
}