.page-faq-doc__surface {
  background: #ffffff;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 18px;
  padding: clamp(22px, 2.9vw, 34px);
  box-shadow: 0 10px 26px rgba(2, 6, 23, 0.06);
}

.page-faq-doc__title {
  margin: 0;
  font-size: clamp(26px, 3.2vw, 38px);
  line-height: 1.18;
  letter-spacing: -0.02em;
}

.page-faq-doc__intro {
  margin: 12px 0 0;
  color: var(--text-s);
  font-size: 15px;
  line-height: 1.78;
  max-width: 74ch;
}

.page-faq-doc__list {
  margin-top: 18px;
  display: grid;
  gap: 11px;
}

.page-faq-doc__item {
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.9);
  overflow: hidden;
  transition: border-color var(--dur, 0.22s) var(--ease, ease), box-shadow var(--dur, 0.22s) var(--ease, ease), transform var(--dur-fast, 0.18s) var(--ease, ease);
}

.page-faq-doc__item:hover {
  border-color: rgba(79, 58, 255, 0.26);
  box-shadow: 0 10px 24px rgba(2, 6, 23, 0.07);
  transform: translateY(-1px);
}

.page-faq-doc__q {
  list-style: none;
  cursor: pointer;
  padding: 15px 16px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  transition: color var(--dur-fast, 0.18s) var(--ease, ease);
}

.page-faq-doc__q::-webkit-details-marker {
  display: none;
}

.page-faq-doc__q::after {
  content: '+';
  float: right;
  font-weight: 800;
  color: var(--brand);
  transition: transform var(--dur-fast, 0.18s) var(--ease, ease);
}

.page-faq-doc__item[open] .page-faq-doc__q::after {
  content: '−';
  transform: rotate(180deg);
}

.page-faq-doc__a {
  margin: 0;
  padding: 0 16px 15px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-s);
}

@media (max-width: 768px) {
  .page-faq-doc__surface {
    padding: 20px 18px 22px;
  }

  .page-faq-doc__title {
    font-size: clamp(24px, 7vw, 32px);
  }

  .page-faq-doc__q {
    font-size: 16px;
  }
}