/* アコーディオン専用スタイル */
.accordion {
  margin-bottom: 1rem;
  border: 1px solid var(--rule);
  border-radius: 8px;
  overflow: hidden;
  background: var(--white);
  box-shadow: 0 4px 12px rgba(21, 35, 80, 0.02);
}
.accordion-header {
  padding: 1.2rem 1.5rem;
  background: var(--ice-light);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  color: var(--navy);
  font-family: var(--font-heading);
  transition: background 0.2s;
}
.accordion-header:hover {
  background: var(--ice-mid);
}
.accordion-header::after {
  content: "+";
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--blue);
  transition: transform 0.3s;
}
.accordion.active .accordion-header::after {
  transform: rotate(45deg);
}
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}
.accordion-content-inner {
  padding: 1.5rem;
  border-top: 1px solid var(--rule);
  line-height: 1.8;
  color: var(--text-body);
  font-size: 0.95rem;
}
.faq-category {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--navy-mid);
  border-left: 4px solid var(--blue);
  padding-left: 0.6rem;
  margin: 3rem 0 1.5rem;
  font-weight: 700;
}
.doc-required-list {
  margin: 0.8rem 0 0;
  padding-left: 1.4rem;
}
.doc-required-list li {
  margin-bottom: 0.4rem;
}