/* ============================================================
   FAQ.CSS — よくあるご質問ページ専用スタイル
   Pasir Putih HP
============================================================ */

/* === カテゴリフィルター === */
.faq-filter {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.faq-filter-btn {
  padding: 9px 22px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-light);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  font-family: 'Noto Sans JP', sans-serif;
}

.faq-filter-btn:hover {
  border-color: var(--earth-light);
  color: var(--earth);
}

.faq-filter-btn.active {
  background: var(--earth);
  color: var(--white);
  border-color: var(--earth);
}

/* === FAQグループ === */
.faq-group {
  margin-bottom: 48px;
}

.faq-group-label {
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--earth);
  text-transform: uppercase;
  font-family: 'Cormorant Garamond', serif;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

/* === アコーディオン（details/summary） === */
.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item:first-of-type {
  border-top: 1px solid var(--border);
}

.faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  color: var(--deep);
  font-weight: 400;
  letter-spacing: 0.03em;
  line-height: 1.7;
  user-select: none;
  transition: color 0.2s;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary:hover {
  color: var(--earth);
}

.faq-q-mark {
  font-family: 'Cormorant Garamond', serif;
  font-size: 18px;
  font-weight: 400;
  color: var(--earth);
  flex-shrink: 0;
  line-height: 1.5;
  margin-top: 1px;
}

.faq-q-text {
  flex: 1;
}

.faq-chevron {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  color: var(--earth-light);
  transition: transform 0.3s ease;
}

.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
}

.faq-item[open] summary {
  color: var(--earth);
}

.faq-answer {
  padding: 0 0 24px 34px;
  font-size: 13px;
  color: var(--text-light);
  line-height: 2.1;
  animation: faqOpen 0.25s ease;
}

@keyframes faqOpen {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: none; }
}

.faq-answer p + p {
  margin-top: 12px;
}

@media (max-width: 768px) {
  .faq-item summary { font-size: 13px; }
}