.opening-announcement {
  display: flex;
  flex-direction: column;
  gap: .2rem;
  margin: 0 0 1.8rem;
  padding: 1rem 1.3rem;
  border: 1px solid #8c1f1a;
  border-left: 5px solid #8c1f1a;
  background: #f7f1e4;
  color: #1b1713;
}
.opening-announcement[hidden] { display: none; }
.opening-announcement strong { color: #8c1f1a; font-size: 1.3rem; }
.opening-announcement span { font-size: 1rem; }
.opening-announcement small { color: #5c5348; font-size: .85rem; }
.opening-price { display: inline-flex; flex-wrap: wrap; align-items: baseline; gap: .3em .55em; }
.opening-old { color: #8c1f1a; font-size: .75em; font-weight: 400; text-decoration-thickness: 2px; white-space: nowrap; }
.opening-new { color: #1b1713; font-weight: 700; white-space: nowrap; }
.product-price .opening-new { font-size: 1.12em; }
@media (max-width: 600px) {
  .opening-announcement { padding: .8rem 1rem; }
  .opening-announcement strong { font-size: 1.15rem; }
}