.page-visual {
  width: min(1180px, calc(100% - 48px));
  height: clamp(180px, 28vw, 360px);
  margin: 44px auto 0;
  overflow: hidden;
  background: var(--navy);
}

.page-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.symposium-visual {
  width: 100%;
  height: clamp(160px, 24vw, 310px);
  margin-top: 0;
}

.resource-directory {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.resource-directory section {
  padding: 34px;
  border: 1px solid var(--line);
  background: #fff;
}

.resource-directory h2 {
  margin-bottom: 18px;
  font-size: 1.35rem;
}

.resource-links {
  display: grid;
}

.resource-links a {
  position: relative;
  padding: 11px 26px 11px 0;
  border-bottom: 1px solid var(--line);
  color: var(--blue);
  font-weight: 700;
  text-decoration: none;
}

.resource-links a::after {
  position: absolute;
  right: 2px;
  content: "↗";
  color: var(--cyan);
}

.resource-links a:hover {
  color: var(--deep);
}

.resource-note {
  margin: 20px 0 0;
  padding: 18px;
  background: var(--paper);
  font-size: .86rem;
  line-height: 1.55;
}

.county-section {
  grid-column: 1 / -1;
}

.county-links {
  grid-template-columns: repeat(3, 1fr);
  column-gap: 28px;
}

.registration-levels {
  grid-template-columns: repeat(3, 1fr);
}

.detail-section {
  margin-bottom: 28px;
  padding: 34px;
  border: 1px solid var(--line);
  background: #fff;
}

.benefit-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 30px;
  padding-left: 20px;
}

.sponsor-levels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 28px;
}

.sponsor-levels article {
  padding: 30px;
  border-top: 4px solid var(--cyan);
  background: var(--paper);
}

.sponsor-levels h2 {
  margin-bottom: 5px;
  font-size: 1.35rem;
}

.level-price {
  display: block;
  margin-bottom: 18px;
  color: var(--navy);
  font: 600 2.3rem/1 "Source Serif 4", Georgia, serif;
}

.ad-opportunities {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 425px);
  gap: 46px;
  align-items: start;
  padding: 38px;
  background: var(--navy);
  color: #fff;
}

.ad-opportunities h2,
.ad-opportunities p {
  color: #fff;
}

.ad-opportunities img {
  width: 100%;
  height: auto;
}

.ad-prices {
  margin: 24px 0;
  border-top: 1px solid rgba(255,255,255,.28);
}

.ad-prices p {
  display: flex;
  justify-content: space-between;
  margin: 0;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,.28);
}

@media (max-width: 760px) {
  .page-visual {
    width: min(100% - 28px, 1180px);
  }

  .symposium-visual {
    width: 100%;
  }

  .resource-directory,
  .county-links,
  .registration-levels,
  .benefit-list,
  .sponsor-levels,
  .ad-opportunities {
    grid-template-columns: 1fr;
  }

  .county-section {
    grid-column: auto;
  }
}