.refined-hero {
  background: linear-gradient(120deg, #fff 68%, #fff5f6 68%);
}

.refined-hero h1 {
  max-width: 950px;
}

.refined-hero .lead {
  max-width: 810px;
}

.detail-jump {
  position: sticky;
  z-index: 5;
  top: 0;
  overflow-x: auto;
  background: #fff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.detail-jump .wrap {
  display: flex;
  min-width: max-content;
  gap: 29px;
}

.detail-jump a {
  padding: 15px 0 13px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  border-bottom: 2px solid transparent;
}

.detail-jump a:hover,
.detail-jump a:focus-visible {
  color: var(--red);
  border-bottom-color: var(--red);
}

.detail-overview {
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  gap: 75px;
  align-items: start;
  margin-bottom: 37px;
}

.detail-overview > div > p {
  max-width: 750px;
  margin: 23px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.request-box {
  padding: 26px;
  background: var(--soft);
  border-top: 3px solid var(--red);
}

.request-box small,
.boundary-box small,
.related-band small {
  color: var(--red);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.request-box p {
  margin: 12px 0 17px;
  color: var(--muted);
}

.request-box a {
  color: var(--red);
  font-size: 14px;
  font-weight: 700;
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border: 1px solid var(--line);
}

.check-grid article {
  min-width: 0;
  padding: 28px;
}

.check-grid article:nth-child(odd) {
  border-right: 1px solid var(--line);
}

.check-grid article:nth-child(-n+2) {
  border-bottom: 1px solid var(--line);
}

.check-grid article > span {
  color: var(--red);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
}

.check-grid h3 {
  margin: 12px 0 10px;
  font-size: 21px;
}

.check-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.detail-process ol {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
  background: #fff;
  border: 1px solid var(--line);
}

.detail-process li {
  min-width: 0;
  padding: 27px 23px;
  border-right: 1px solid var(--line);
}

.detail-process li:last-child {
  border-right: 0;
}

.detail-process li > b {
  color: var(--red);
  font-size: 12px;
  letter-spacing: .12em;
}

.detail-process h3 {
  margin: 12px 0 10px;
  font-size: 20px;
}

.detail-process p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: start;
}

.result-list {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.result-list li {
  position: relative;
  padding: 14px 0 14px 25px;
  border-bottom: 1px solid var(--line);
}

.result-list li::before {
  position: absolute;
  left: 0;
  color: var(--red);
  content: '—';
}

.boundary-box {
  padding: 30px;
  background: #2b2d31;
  color: #fff;
  border-left: 4px solid var(--red);
}

.boundary-box h3 {
  margin: 12px 0;
  color: #fff;
  font-size: 25px;
}

.boundary-box p {
  margin: 0;
  color: #dfe0e2;
}

.application-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.application-grid span {
  display: flex;
  min-height: 76px;
  align-items: center;
  padding: 18px 20px;
  background: #fff;
  border-left: 3px solid var(--red);
  font-weight: 700;
}

.faq-layout {
  display: grid;
  grid-template-columns: .75fr 1.25fr;
  gap: 80px;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  display: flex;
  cursor: pointer;
  list-style: none;
  justify-content: space-between;
  gap: 20px;
  padding: 19px 0;
  font-weight: 700;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary span {
  color: var(--red);
  font-size: 21px;
  line-height: 1;
}

.faq-list details[open] summary span {
  transform: rotate(45deg);
}

.faq-list p {
  margin: -4px 35px 19px 0;
  color: var(--muted);
}

.related-band {
  padding: 55px 0;
  background: #fff8f9;
  border-top: 1px solid #f0cbd1;
  border-bottom: 1px solid #f0cbd1;
}

.related-band .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 45px;
}

.related-band h2 {
  margin-top: 8px;
  font-size: 29px;
}

.related-band p {
  max-width: 760px;
  margin: 8px 0 0;
  color: var(--muted);
}

.detail-sources {
  padding: 24px 0;
  background: var(--soft);
  border-bottom: 1px solid var(--line);
}

.detail-sources .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  align-items: baseline;
  font-size: 13px;
}

.detail-sources strong {
  color: var(--ink);
}

.detail-sources a {
  color: var(--red);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.detail-sources .wrap > span:last-child {
  width: 100%;
  color: var(--muted);
}

@media (max-width: 980px) {
  .detail-overview,
  .result-grid,
  .faq-layout {
    gap: 38px;
  }

  .detail-process ol {
    grid-template-columns: repeat(2, 1fr);
  }

  .detail-process li:nth-child(2) {
    border-right: 0;
  }

  .detail-process li:nth-child(-n+2) {
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 680px) {
  .refined-hero {
    background: #fff;
  }

  .detail-jump .wrap {
    gap: 23px;
  }

  .detail-overview,
  .check-grid,
  .detail-process ol,
  .result-grid,
  .application-grid,
  .faq-layout {
    grid-template-columns: 1fr;
  }

  .detail-overview,
  .result-grid,
  .faq-layout {
    gap: 27px;
  }

  .check-grid article,
  .check-grid article:nth-child(odd),
  .detail-process li {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .check-grid article:last-child,
  .detail-process li:last-child {
    border-bottom: 0;
  }

  .related-band .wrap {
    align-items: flex-start;
    flex-direction: column;
  }
}