.faq-center-section {
  padding: 72px 0 104px;
  background: #f3f6f8;
}

.faq-filter {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, 1fr);
  gap: 12px;
  padding: 20px;
  border: 1px solid #d9e2e8;
  border-radius: 12px;
  background: #fff;
}

.faq-list-v15 {
  display: grid;
  gap: 12px;
}

.faq-card-v15 {
  overflow: hidden;
  border: 1px solid #d9e2e8;
  border-radius: 10px;
  background: #fff;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.faq-card-v15.open {
  border-color: #9acddc;
  box-shadow: 0 15px 35px rgba(5,22,47,.07);
}

.faq-question-button {
  display: grid;
  width: 100%;
  grid-template-columns: auto 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 21px 23px;
  text-align: left;
}

.faq-index {
  color: #00a6d6;
  font: 500 11px/1 Geist, sans-serif;
  letter-spacing: .08em;
}

.faq-question-text {
  color: #10233f;
  font: 500 17px/1.5 Geist, "Noto Sans SC", sans-serif;
}

.faq-toggle {
  display: grid;
  width: 27px;
  height: 27px;
  place-items: center;
  border: 1px solid #cbd9e0;
  border-radius: 50%;
  color: #0077b6;
  transition: transform .2s ease;
}

.faq-card-v15.open .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer-panel {
  display: none;
  padding: 0 23px 23px 58px;
}

.faq-card-v15.open .faq-answer-panel {
  display: block;
}

.faq-answer-text {
  color: #4c6073;
  line-height: 1.85;
}

.faq-answer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 17px;
}

.faq-meta-tag {
  padding: 5px 8px;
  border-radius: 3px;
  background: #edf4f7;
  color: #34506b;
  font-size: 10px;
}

.faq-relations {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.faq-relation {
  padding: 14px;
  border: 1px solid #d9e2e8;
  border-radius: 7px;
  color: #10233f;
  font-size: 12px;
}

.faq-relation span {
  display: block;
  margin-bottom: 5px;
  color: #0077b6;
  font-size: 9px;
  letter-spacing: .08em;
}

.article-related-faq {
  margin-top: 28px;
  border-top: 1px solid #d9e2e8;
}

.article-related-faq-item {
  padding: 18px 0;
  border-bottom: 1px solid #d9e2e8;
}

.article-related-faq-item h3 {
  color: #10233f;
  font-size: 15px;
  font-weight: 500;
}

.article-related-faq-item p {
  margin-top: 8px;
  color: #5d6b7a;
  line-height: 1.7;
}

@media (max-width: 1023px) {
  .faq-filter {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .faq-center-section {
    padding: 56px 0 72px;
  }

  .faq-filter {
    grid-template-columns: 1fr;
  }

  .faq-question-button {
    grid-template-columns: auto 1fr auto;
    padding: 18px 16px;
  }

  .faq-answer-panel {
    padding: 0 16px 20px;
  }

  .faq-relations {
    grid-template-columns: 1fr;
  }
}