html {
  scroll-behavior: smooth;
}

.detail-spec-wrap {
  scroll-margin-top: 6.5rem;
}

.usage-guidance {
  grid-column: 1 / -1;
  width: 100%;
  margin-top: clamp(2.5rem, 5vw, 4.5rem);
  padding-top: clamp(2rem, 4vw, 3.25rem);
  border-top: 1px solid rgba(40, 74, 54, 0.16);
}

.usage-guidance-head {
  margin-bottom: 1.5rem;
}

.usage-guidance-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.usage-guidance-card,
.processing-reference,
.coa-availability {
  border: 1px solid rgba(40, 74, 54, 0.14);
  border-radius: 1rem;
  background: rgba(255, 252, 244, 0.72);
  box-shadow: 0 0.75rem 2rem rgba(38, 52, 43, 0.06);
}

.usage-guidance-card {
  padding: 1.35rem 1.4rem;
}

.usage-guidance-card h3,
.processing-reference h3,
.coa-availability h2 {
  margin: 0 0 0.6rem;
  color: #274c36;
  font-size: 1rem;
  line-height: 1.35;
}

.usage-guidance-card p,
.processing-caution {
  margin: 0;
  color: #59665e;
  font-size: 0.92rem;
  line-height: 1.7;
}

.processing-reference {
  margin-top: 1rem;
  padding: 1.4rem;
}

.coa-availability {
  grid-column: 1 / -1;
  width: 100%;
  margin-top: 2rem;
  padding: 1.4rem;
}

.coa-availability h2 {
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
}

.coa-availability p {
  margin: 0;
  color: #59665e;
  font-size: 0.92rem;
  line-height: 1.7;
}

.processing-table-wrap {
  overflow-x: auto;
  margin-top: 0.8rem;
  border: 1px solid rgba(40, 74, 54, 0.12);
  border-radius: 0.8rem;
}

.processing-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 30rem;
  background: rgba(255, 255, 255, 0.55);
  color: #3f4b44;
  font-size: 0.9rem;
}

.processing-table th,
.processing-table td {
  padding: 0.78rem 1rem;
  border-bottom: 1px solid rgba(40, 74, 54, 0.1);
  text-align: left;
  vertical-align: top;
}

.processing-table thead th {
  background: rgba(55, 98, 68, 0.08);
  color: #274c36;
  font-weight: 700;
}

.processing-table tbody th {
  width: 42%;
  color: #344c3c;
  font-weight: 600;
}

.processing-table tbody tr:last-child th,
.processing-table tbody tr:last-child td {
  border-bottom: 0;
}

.processing-caution {
  margin-top: 1rem;
  padding-left: 1rem;
  border-left: 3px solid #b6874d;
}

.supported-certificates {
  grid-column: 1 / -1;
  width: 100%;
  margin-top: clamp(2.5rem, 5vw, 4.5rem);
  padding-top: clamp(2rem, 4vw, 3.25rem);
  border-top: 1px solid rgba(40, 74, 54, 0.16);
}

.supported-certificates-head {
  margin-bottom: 1.5rem;
}

.certificate-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.certificate-grid.has-three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.certificate-card {
  min-width: 0;
  padding: 1.4rem;
  border: 1px solid rgba(40, 74, 54, 0.14);
  border-radius: 1rem;
  background: rgba(255, 252, 244, 0.72);
  box-shadow: 0 0.75rem 2rem rgba(38, 52, 43, 0.06);
}

.certificate-preview {
  overflow: hidden;
  margin: 0 0 1rem;
  border: 1px solid rgba(40, 74, 54, 0.12);
  border-radius: 0.75rem;
  background: #fff;
}

.certificate-preview img {
  display: block;
  width: 100%;
  height: clamp(14rem, 22vw, 18rem);
  box-sizing: border-box;
  padding: 0.5rem;
  object-fit: contain;
  object-position: center;
  background: #fff;
}

.certificate-preview figcaption {
  padding: 0.5rem 0.7rem;
  border-top: 1px solid rgba(40, 74, 54, 0.1);
  color: #758078;
  font-size: 0.72rem;
  line-height: 1.4;
}

.certificate-code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  background: rgba(55, 98, 68, 0.1);
  color: #2e6241;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.certificate-card h3 {
  margin: 0.85rem 0 0.5rem;
  color: #274c36;
  font-size: 1rem;
  line-height: 1.35;
}

.certificate-card p {
  margin: 0;
  color: #59665e;
  font-size: 0.92rem;
  line-height: 1.7;
}

.certificate-note {
  margin: 1rem 0 0;
  color: #758078;
  font-size: 0.8rem;
  line-height: 1.6;
}@media (max-width: 720px){
  .usage-guidance-grid {
    grid-template-columns: 1fr;
  }

  .certificate-grid,
  .certificate-grid.has-three {
    grid-template-columns: 1fr;
  }

  .usage-guidance-card,
  .processing-reference,
  .coa-availability {
    padding: 1.15rem;
  }
}