.op-skip { position: fixed; top: -100px; left: 16px; padding: 12px 20px; background: #fff; z-index: 30; }
.op-skip:focus { top: 12px; }
.op-list-hero { padding: 80px 0 66px; background: var(--bg-soft); border-bottom: 1px solid var(--border); }
.op-list-hero h1 { margin: 12px 0 24px; font: 600 clamp(3.8rem, 8vw, 6.4rem)/1.05 var(--font-display); letter-spacing: -.055em; }
.op-list-hero h1 span { color: var(--accent); }
.op-list-intro { max-width: 630px; font-size: clamp(1.15rem, 2vw, 1.45rem); line-height: 1.6; color: var(--text-muted); margin: 0; }
.op-posts { padding-top: 52px; padding-bottom: 80px; }
.op-section-line { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; padding-bottom: 22px; border-bottom: 1px solid var(--border); margin-bottom: 32px; }
.op-section-line h2 { font: 500 1.15rem var(--font-display); margin: 0; }
.op-section-line > span { font-size: .8rem; color: var(--text-muted); }
.op-post-card { display: grid; grid-template-columns: 1.08fr 1fr; border: 1px solid var(--border); border-radius: 14px; overflow: hidden; background: #fff; }
.op-post-image { display: flex; align-items: center; padding: 24px; background: #efecf9; }
.op-post-image img { width: 100%; height: auto; border: 1px solid #d7d1e8; border-radius: 6px; }
.op-post-copy { padding: 34px; }
.op-post-copy h3 { font: 600 clamp(1.65rem, 2.65vw, 2.25rem)/1.22 var(--font-display); letter-spacing: -.025em; margin: 20px 0; }
.op-post-copy > p:not(.eyebrow):not(.op-meta) { color: var(--text-muted); font-size: .98rem; }
.op-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; color: var(--text-muted); font-size: .82rem; }
.op-meta a { color: var(--text); font-weight: 600; }
.op-read { display: inline-flex; gap: 24px; align-items: center; padding: 6px 0; border-bottom: 1px solid var(--text); font-weight: 600; font-size: .95rem; }
.op-note { padding: 54px 0 62px; background: var(--bg-accent-soft); }
.op-note h2 { font: 600 clamp(1.5rem, 3vw, 2.15rem)/1.2 var(--font-display); margin: 0; letter-spacing: -.03em; }
.op-note p { color: var(--text-muted); max-width: 660px; }
.op-note a { text-decoration: underline; text-underline-offset: 5px; font-weight: 600; }
.op-article-top { padding-top: 32px; }
.op-breadcrumb { display: flex; gap: 12px; font-size: .8rem; color: var(--text-muted); }
.op-article-heading { max-width: 900px; margin: 56px auto 48px; }
.op-article-heading h1 { font: 600 clamp(2.25rem, 4.7vw, 3.6rem)/1.12 var(--font-display); letter-spacing: -.045em; margin: 20px 0 26px; text-wrap: balance; }
.op-deck { font-size: clamp(1.08rem, 2vw, 1.25rem); color: var(--text-muted); max-width: 780px; line-height: 1.7; }
.op-article-heading .op-meta { margin-top: 26px; padding-top: 24px; border-top: 1px solid var(--border); }
.op-article-layout { display: grid; grid-template-columns: 215px minmax(0, 740px); gap: 56px; justify-content: center; padding-bottom: 80px; align-items: start; }
.op-index { position: sticky; top: 108px; font-size: .8rem; color: var(--text-muted); padding-top: 5px; }
.op-index summary { font-family: var(--font-display); font-weight: 600; color: var(--text); cursor: pointer; }
.op-index ol { padding-left: 20px; margin: 22px 0 28px; }
.op-index li { padding-left: 5px; margin-bottom: 16px; line-height: 1.6; }
.op-index a { text-decoration: none; }
.op-index-back { border-top: 1px solid var(--border); display: block; padding-top: 18px; }
.op-prose { min-width: 0; font-size: 1.075rem; line-height: 1.9; }
.op-prose > p { margin: 0 0 1.35em; }
.op-prose > p:first-child { font-size: 1.2rem; }
.op-prose > h2 { font: 600 clamp(1.65rem, 3vw, 2.1rem)/1.25 var(--font-display); letter-spacing: -.03em; margin: 64px 0 26px; scroll-margin-top: 105px; }
.op-prose strong { font-weight: 600; }
.op-prose > hr { border: 0; border-top: 1px solid var(--border); margin: 44px 0 26px; }
.op-figure { margin: 40px 0 54px; }
.op-figure > a { display: block; background: #f6f3fc; border: 1px solid #ded9eb; border-radius: 10px; padding: 10px; overflow: hidden; }
.op-figure img { width: 100%; height: auto; border-radius: 5px; }
.op-figure figcaption { font-size: .8rem; line-height: 1.65; color: var(--text-muted); padding: 14px 4px 0; }
.op-figure figcaption a { display: inline-block; text-decoration: underline; text-underline-offset: 3px; }
.op-invitation { background: var(--bg-accent-soft); padding: 32px; margin: 45px 0 38px; border-radius: 12px; }
.op-invitation h2 { font: 600 1.9rem/1.2 var(--font-display); letter-spacing: -.03em; margin: 14px 0; }
.op-invitation p:not(.eyebrow) { font-size: .95rem; line-height: 1.75; }
.op-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.op-actions .button { font-size: .85rem; }
.op-article-end { display: flex; justify-content: space-between; gap: 24px; font-size: .85rem; padding-top: 24px; border-top: 1px solid var(--border); }
.op-home-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; align-items: center; }
.op-home h2 { font: 600 clamp(2rem, 4vw, 2.8rem)/1.15 var(--font-display); letter-spacing: -.04em; margin: 18px 0; }
.op-home-grid > article { border-left: 2px solid var(--accent); padding-left: 32px; }
.op-home h3 { font: 600 clamp(1.45rem, 2.8vw, 2rem)/1.25 var(--font-display); letter-spacing: -.025em; margin: 18px 0; }
.op-home p:not(.eyebrow) { color: var(--text-muted); }
@media (max-width: 900px) {
  .op-article-layout { grid-template-columns: 170px minmax(0, 1fr); gap: 30px; }
  .op-post-copy { padding: 26px; }
  .op-post-card { grid-template-columns: 1fr 1fr; }
  .op-post-image { padding: 16px; }
  .op-home-grid { gap: 40px; }
}
@media (max-width: 680px) {
  .op-list-hero { padding: 48px 0 42px; }
  .op-posts { padding-top: 32px; padding-bottom: 48px; }
  .op-section-line > span { display: none; }
  .op-post-card { grid-template-columns: 1fr; }
  .op-post-copy { padding: 26px 22px 30px; }
  .op-post-image { padding: 18px; }
  .op-post-copy h3 { font-size: 1.75rem; }
  .op-article-heading { margin: 34px auto; }
  .op-article-heading h1 { font-size: clamp(2rem, 8.2vw, 2.75rem); }
  .op-article-layout { grid-template-columns: minmax(0, 1fr); gap: 30px; padding-bottom: 48px; }
  .op-index { position: static; border-block: 1px solid var(--border); padding: 18px 0; }
  .op-index ol { display: grid; gap: 10px; margin: 18px 0 8px; }
  .op-index li { margin: 0; }
  .op-index-back { display: none; }
  .op-prose { font-size: 1rem; line-height: 1.85; }
  .op-prose > h2 { margin-top: 46px; }
  .op-prose > p:first-child { font-size: 1.1rem; }
  .op-invitation { padding: 24px; }
  .op-invitation h2 { font-size: 1.6rem; }
  .op-actions { flex-direction: column; align-items: stretch; }
  .op-actions .button { text-align: center; justify-content: center; }
  .op-figure > a { padding: 4px; border-radius: 6px; }
  .op-home-grid { grid-template-columns: 1fr; gap: 36px; }
  .op-home-grid > article { padding-left: 22px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }