.half-day { max-width: 780px; padding-block: 45px 72px; }
.half-day-intro h1 { font: 500 clamp(3rem, 9vw, 6.2rem)/.96 var(--heading); letter-spacing: -.065em; margin-bottom: 24px; }
.half-day-intro p:not(.eyebrow), .half-day-details p:not(.eyebrow) { max-width: 63ch; margin-bottom: 14px; }
.half-day-intro .half-day-status { color: var(--muted); font-size: .84rem; }
.half-day-card { background: var(--brand-soft); border: 1px solid var(--brand-line); border-top: 6px solid var(--brand-red); margin: 36px 0 0; max-width: 540px; padding: clamp(14px, 4vw, 25px); line-height: 1.35; scroll-margin-top: 8px; }
.half-day-card .card-brand { color: var(--brand-red); font-size: .64rem; font-weight: 700; letter-spacing: .16em; }
.half-day-card h2 { font: 500 clamp(1.9rem, 5.5vw, 2.8rem)/1.05 var(--heading); margin: 5px 0 7px; letter-spacing: -.04em; }
.card-scope, .card-crossing, .card-phrase { font-size: .83rem; }
.card-crossing { margin-top: 9px; }
.half-day-card ol { list-style: none; margin: 10px 0; padding: 0; }
.half-day-card li { display: grid; grid-template-columns: 5.05em 1fr; gap: 8px; border-top: 1px solid var(--brand-line); padding: 8px 0; font-size: .82rem; }
.half-day-card li b { font-variant-numeric: tabular-nums; color: var(--brand-dark); }
.card-phrase { padding-top: 8px; border-top: 1px solid var(--brand-line); }
.card-end { margin-top: 8px; font-size: .71rem; color: var(--muted); }
.half-day-details { margin-top: 48px; }
.half-day-details h2 { font: 500 clamp(1.9rem, 5vw, 2.85rem)/1.05 var(--heading); margin-bottom: 13px; letter-spacing: -.04em; }
.half-day-help { border-top: 1px solid var(--brand-line); padding-top: 30px; }
.half-day-sources { font-size: .88rem; }
.half-day-sources ul { padding-left: 19px; }
.half-day-sources a { text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 380px) {
  .half-day-card li { grid-template-columns: 1fr; gap: 2px; }
}