/* ==========================================================================
   faq.css
   .faq(よくあるご質問)
   Profileの直後。ネイティブdetails/summaryでアコーディオン実装
   (折りたたみ時もDOM上にテキストが残るため、SEO/LLMO的にも読み取り可能)
   ========================================================================== */

.faq {
  background: var(--color-bg-white);
  padding: 64px var(--container-pad) 72px;
}

.faq__inner {
  max-width: 760px;
  margin: 0 auto;
}

.faq__head {
  text-align: center;
  margin-bottom: 40px;
}

.faq__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 32px;
  line-height: 1;
  color: var(--color-primary-dark);
  letter-spacing: .01em;
  margin-bottom: 12px;
}

.faq__subtitle {
  font-weight: 700;
  font-size: 14px;
  color: var(--color-text);
}

.faq__list {
  margin: 0;
}

.faq-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}

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

.faq-item__question {
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  list-style: none;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-primary-dark);
}

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

.faq-item__question::marker {
  content: "";
}

.faq-item__q-mark,
.faq-item__a-mark {
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 13px;
}

.faq-item__q-mark {
  background: var(--color-primary);
  color: #fff;
}

.faq-item__a-mark {
  background: var(--color-accent-2);
  color: var(--color-primary);
}

.faq-item__toggle {
  flex: none;
  margin-left: auto;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.faq-item__toggle::before,
.faq-item__toggle::after {
  content: "";
  position: absolute;
  background: var(--color-primary-dark);
  transition: transform .25s var(--ease-standard), opacity .25s var(--ease-standard);
}

.faq-item__toggle::before {
  width: 12px;
  height: 2px;
}

.faq-item__toggle::after {
  width: 2px;
  height: 12px;
}

.faq-item[open] .faq-item__toggle::after {
  transform: rotate(90deg);
  opacity: 0;
}

.faq-item__answer {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-top: 14px;
}

.faq-item__answer-text {
  font-size: 14px;
  line-height: 1.9;
  color: var(--color-text-sub);
}

@media (min-width: 768px) {
  .faq {
    padding: 80px var(--container-pad) 100px;
  }

  .faq__title {
    font-size: 40px;
  }

  .faq-item {
    padding: 24px 0;
  }

  .faq-item__question {
    font-size: 16px;
  }

  .faq-item__answer-text {
    font-size: 14.5px;
  }
}

@media (min-width: 1024px) {
  .faq__title {
    font-size: 46px;
  }
}