/* ========== FAQ — accordion ========== */
.faq { padding: 110px 0; border-top: 1px solid var(--line); background: var(--bg-2); }
.faq-list {
  display: grid;
  gap: 8px;
  max-width: 920px;
  margin: 0 auto;
}
.qa {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  overflow: hidden;
  transition: border-color 0.25s;
}
.qa:hover { border-color: var(--line-strong); }
.qa[open] { border-color: var(--line-strong); background: var(--bg-3); }
.qa summary {
  padding: 24px 28px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.qa-mark {
  position: relative;
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}
.qa-mark::before, .qa-mark::after {
  content: '';
  position: absolute;
  background: var(--ink-2);
  transition: transform 0.3s var(--ease), background 0.2s;
}
.qa-mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}
.qa-mark::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}
.qa[open] .qa-mark::after { transform: scaleY(0); }
.qa[open] .qa-mark::before { background: var(--ink); }
.qa p {
  padding: 0 28px 24px;
  font-size: 15px;
  color: var(--ink-2);
  margin: 0;
  line-height: 1.65;
  max-width: 760px;
}