.ai-faq {
  margin-top: 32px;
  padding: 18px 18px 10px;
  border: 1px solid #ddd6cc;
  border-radius: 12px;
  background: transparent;
}

.ai-faq__title {
  margin: 0 0 12px;
  font-size: 1.25rem;
  line-height: 1.3;
}

.ai-faq__item {
  border-top: 1px solid rgba(0,0,0,0.08);
  padding: 10px 0;
}

.ai-faq__item:first-child {
  border-top: 0;
  padding-top: 0;
}

.ai-faq__q {
  cursor: pointer;
  font-weight: 400;
  list-style: none;
}

.ai-faq__q::-webkit-details-marker {
  display: none;
}

.ai-faq__q::after {
  content: "＋";
  float: right;
  opacity: 0.7;
}

.ai-faq__item[open] .ai-faq__q::after {
  content: "−";
}

.ai-faq__a {
  margin-top: 8px;
  line-height: 1.55;
  opacity: 0.95;
}