.yumail-test-page .faq-card summary {
  position: relative;
  padding-right: 48px;
}

.yumail-test-page .faq-card summary::after {
  position: absolute;
  top: 50%;
  right: 18px;
  content: "＋";
  transform: translateY(-50%);
  color: var(--yt-blue);
  font-size: 22px;
  line-height: 1;
}

.yumail-test-page .faq-card[open] summary::after {
  content: "－";
}