/* FAQセクション */
.faq {
  padding: 8rem 3rem;
  background: #f8f9fa;
}

.faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: white;
  border-radius: 10px;
  margin-bottom: 1rem;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.faq-question {
  width: 100%;
  padding: 1.5rem;
  border: none;
  background: white;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s ease;
}

.faq-question:hover {
  background: #f8f9fa;
}

.faq-icon {
  font-size: 1.5rem;
  color: #009fe8;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  padding: 0 1.75rem 0;
  background: transparent;
  border-left: 4px solid transparent;
  border-radius: 0 0 14px 14px;
  transition: max-height 0.3s ease, padding 0.3s ease,
    background 0.3s ease, border-color 0.3s ease,
    box-shadow 0.3s ease;
}

.faq-answer::before {
  content: "";
  flex: 0 0 2.5rem;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(0, 159, 232, 0.85), rgba(0, 159, 232, 0.6));
  box-shadow: 0 12px 24px rgba(0, 159, 232, 0.18);
  opacity: 0;
  transform: translateY(8px) scale(0.7);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.faq-answer.open {
  max-height: 1000px;
  padding: 1.75rem 1.75rem 1.75rem;
  background: linear-gradient(180deg, rgba(240, 249, 255, 0.95), rgba(255, 255, 255, 0.95));
  border-left-color: rgba(0, 159, 232, 0.45);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 16px 30px rgba(12, 83, 119, 0.12);
}

.faq-answer.open::before {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.faq-answer p {
  padding: 0;
  margin: 0;
  color: #444444;
  line-height: 1.8;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}

.faq-answer p + p {
  margin-top: 0.85rem;
}