/* faq.css — 追加日: 2026-03-14 */
.faq-section { margin-bottom: 3rem; }
.faq-cat-title {
  font-family: var(--font-mono); font-size: 0.7rem;
  color: var(--miku); letter-spacing: 0.25em; text-transform: uppercase;
  margin-bottom: 1.2rem; padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 0.8rem;
}
.faq-cat-title::before { content:''; width:3px; height:14px; background:var(--miku); box-shadow:var(--glow-sm); }
.faq-list { display: flex; flex-direction: column; gap: 2px; }
.faq-item { background: var(--panel); border: 1px solid var(--border); overflow: hidden; }
.faq-q {
  width: 100%; display: flex; align-items: flex-start; gap: 1rem;
  padding: 1.2rem 1.4rem; background: none; border: none;
  color: var(--white); font-family: var(--font-body); font-size: 0.9rem;
  text-align: left; cursor: pointer; line-height: 1.6;
  transition: background 0.2s;
}
.faq-q:hover { background: rgba(57,197,187,0.04); }
.faq-q-icon {
  font-family: var(--font-display); font-size: 1.1rem;
  color: var(--miku); flex-shrink: 0; line-height: 1.4;
}
.faq-q span:nth-child(2) { flex: 1; }
.faq-arrow {
  flex-shrink: 0; color: var(--miku); font-size: 1.2rem;
  transition: transform 0.3s; line-height: 1.4;
}
.faq-q[aria-expanded="true"] .faq-arrow { transform: rotate(45deg); }
.faq-a {
  display: flex; gap: 1rem; align-items: flex-start;
  padding: 0 1.4rem 1.2rem;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}
.faq-a[hidden] { display: none !important; }
.faq-a-icon {
  font-family: var(--font-display); font-size: 1.1rem;
  color: var(--text-muted); flex-shrink: 0; margin-top: 2px;
}
.faq-a div { font-size: 0.87rem; color: var(--text); line-height: 1.9; flex: 1; }
.faq-contact {
  background: var(--panel); border: 1px solid var(--border);
  padding: 2rem 2.5rem; margin-top: 2rem;
}
.faq-contact p { color: var(--text); font-size: 0.9rem; }