/* ============================================================
   faq.css — FAQページ専用
   ============================================================ */

/* ── ヒーロー ── */
.faq-hero {
  padding-top: calc(64px + clamp(3.5rem, 7vw, 5.5rem));
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
  background: var(--off-white);
  border-bottom: 1px solid var(--border-light);
  position: relative;
  overflow: hidden;
}
.faq-hero::before {
  content: '';
  position: absolute;
  top: -30%; right: -8%;
  width: clamp(300px, 45vw, 500px);
  height: clamp(300px, 45vw, 500px);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200,223,240,.25) 0%, transparent 70%);
  pointer-events: none;
}
.faq-hero-inner { position: relative; z-index: 1; }
.faq-h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 300;
  font-family: var(--font-serif);
  color: var(--navy);
  margin-bottom: 1rem;
  line-height: 1.3;
}
.faq-lead {
  font-size: clamp(.98rem, 1.4vw, 1.05rem);
  color: var(--text-mid);
  font-weight: 300;
  line-height: 1.9;
  max-width: 540px;
  margin-bottom: 2rem;
}

/* カテゴリナビ */
.faq-cat-nav {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
}
.faq-cat-btn {
  background: var(--white);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: clamp(.72rem, 1vw, .78rem);
  letter-spacing: .08em;
  padding: .5rem 1.1rem;
  cursor: pointer;
  font-family: inherit;
  transition: all var(--transition);
  border-radius: 2px;
}
.faq-cat-btn:hover {
  border-color: var(--blue);
  color: var(--blue);
}
.faq-cat-btn.active {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

/* ── FAQグループ ── */
.faq-body { background: var(--white); }
.faq-group {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.faq-group-title {
  display: flex;
  align-items: center;
  gap: .7rem;
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  font-weight: 400;
  color: var(--navy);
  margin-bottom: 1.2rem;
  padding-bottom: .8rem;
  border-bottom: 1px solid var(--border-light);
  font-family: var(--font-sans);
}
.faq-group-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* FAQアイテム（style.cssのベースを拡張） */
.faq-answer-inner p {
  font-size: clamp(.92rem, 1.2vw, .98rem);
  color: var(--text-mid);
  font-weight: 300;
  line-height: 2;
}
.faq-answer-inner .mt-2 { margin-top: .8rem; }

.faq-answer-list {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding-left: 1rem;
}
.faq-answer-list li {
  font-size: clamp(.9rem, 1.2vw, .95rem);
  color: var(--text-mid);
  font-weight: 300;
  line-height: 1.75;
  position: relative;
  list-style: none;
  padding-left: .8rem;
}
.faq-answer-list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--blue);
}
.faq-answer-list li strong {
  color: var(--navy);
  font-weight: 500;
}

.faq-answer-link {
  font-size: .85rem;
}
.faq-answer-link a {
  color: var(--blue);
  text-decoration: none;
  transition: color var(--transition);
  border-bottom: 1px solid rgba(74,144,184,.3);
  padding-bottom: .1rem;
}
.faq-answer-link a:hover {
  color: var(--blue-mid);
  border-bottom-color: var(--blue-mid);
}

/* ── 解決しない場合 ── */
.faq-contact {
  margin-top: clamp(3rem, 6vw, 5rem);
  padding: clamp(2.5rem, 5vw, 4rem);
  background: var(--navy);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.faq-contact::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(74,144,184,.1) 0%, transparent 65%);
  pointer-events: none;
}
.faq-contact-label {
  font-size: .68rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: rgba(255,255,255,.35);
  margin-bottom: .8rem;
  position: relative;
}
.faq-contact h2 {
  color: var(--white);
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  position: relative;
}
.faq-contact .body-text {
  color: rgba(255,255,255,.6) !important;
  position: relative;
}
.faq-contact .btn-primary {
  background: var(--white);
  color: var(--navy);
  border-color: var(--white);
  position: relative;
}
.faq-contact .btn-primary:hover {
  background: var(--blue-pale);
  border-color: var(--blue-pale);
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .faq-cat-nav {
    overflow-x: auto;
    scrollbar-width: none;
    flex-wrap: nowrap;
    padding-bottom: .5rem;
  }
  .faq-cat-nav::-webkit-scrollbar { display: none; }
  .faq-cat-btn { white-space: nowrap; flex-shrink: 0; }
}