.article-main { display: block; width: 100%; }
.article-hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr); align-items: center; gap: clamp(48px, 8vw, 100px); padding: clamp(72px, 9vw, 112px) 0; border-bottom: 1px solid var(--line); }
.article-kicker, .article-index > p { margin: 0 0 20px; color: var(--teal); font-size: .75rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.article-hero h1 { max-width: 660px; margin: 0; font-size: clamp(3.25rem, 6.2vw, 5.5rem); line-height: .98; letter-spacing: -.055em; }
.article-visual { margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 24px; background: #031321; box-shadow: 0 28px 68px #0b2e5324; }
.article-visual img { width: 100%; }
.article-reading { display: grid; grid-template-columns: 190px minmax(0, 720px); justify-content: center; align-items: start; gap: clamp(52px, 8vw, 105px); padding: clamp(76px, 10vw, 130px) 0; }
.article-index { position: sticky; top: 28px; }
.article-index nav { display: flex; flex-direction: column; gap: 11px; }
.article-index a { color: var(--muted); font-size: .8125rem; line-height: 1.4; text-decoration: none; }
.article-index a:hover { color: var(--teal); }
.article-body { min-width: 0; color: var(--muted); font-size: 1.125rem; line-height: 1.82; }
.article-body p { margin: 0 0 28px; }
.article-body .article-opening { scroll-margin-top: 28px; margin-bottom: 36px; color: var(--navy); font-size: clamp(1.4rem, 2.3vw, 1.7rem); line-height: 1.58; letter-spacing: -.018em; }
.article-body h2 { scroll-margin-top: 28px; margin: 84px 0 28px; color: var(--navy); font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 400; line-height: 1.12; letter-spacing: -.045em; }
.article-body strong { color: var(--navy); }
.article-body blockquote { margin: 38px 0; padding: 24px 28px; border-left: 3px solid var(--teal); color: var(--navy); background: var(--surface); font-size: 1.1875rem; line-height: 1.7; }
@media (max-width: 800px) {
  .article-hero, .article-reading { grid-template-columns: 1fr; }
  .article-hero { gap: 42px; }
  .article-visual { width: min(620px, 100%); }
  .article-index { position: static; padding-bottom: 34px; border-bottom: 1px solid var(--line); }
  .article-index nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 24px; }
}
@media (max-width: 520px) {
  .article-hero { padding-block: 58px; }
  .article-hero h1 { font-size: clamp(2.8rem, 14vw, 3.9rem); }
  .article-index nav { grid-template-columns: 1fr; }
  .article-body { font-size: 1.0625rem; line-height: 1.78; }
  .article-body h2 { margin-top: 68px; }
  .article-body blockquote { padding: 20px; }
}