.faq_nav {
  margin: 0 auto 8.1rem;
  max-width: 110rem;
}
.faq_nav ul {
  display: flex;
  flex-flow: row wrap;
  gap: 0 3.4rem;
}
.faq_nav ul li {
  width: calc(25% - 2.55rem);
}
.faq_nav ul li a {
  padding-bottom: 1rem;
  border-bottom: 0.1rem solid #A39483;
  color: #A39483;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  display: flex;
  flex-flow: row wrap;
  justify-content: space-between;
  align-items: center;
}
.faq_nav ul li a::after {
  content: "";
  display: block;
  width: 0.9rem;
  height: 0.7rem;
  background: url(../../img/faq/nav_arrow_icon.svg) center center no-repeat;
  background-size: contain;
}
.faq_inner {
  border-top: 0.1rem solid #DDDAD2;
}
.faq_content {
  max-width: 110rem;
  margin: 0 auto 9.6rem;
  padding: 8.6rem 0 0;
  display: flex;
  flex-flow: column;
  gap: 8rem;
}
.faq_ttl {
  margin-bottom: 5.7rem;
  padding-bottom: 2rem;
  display: inline-block;
  color: #A39483;
  font-weight: 500;
  font-size: 1.8rem;
  letter-spacing: 0.05em;
  position: relative;
}
.faq_ttl::after {
  content: "";
  display: block;
  width: 100vw;
  height: 0.1rem;
  background: #DDDAD2;
  position: absolute;
  left: 0;
  bottom: 0;
}
.faq_list {
  padding: 0 5rem;
}
.faq_list dt {
  padding-left: 4.5rem;
  margin-bottom: 1.2rem;
  font-size: 1.6rem;
  letter-spacing: 0.04em;
  line-height: 1.56;
  position: relative;
}
.faq_list dt::before {
  content: "Q";
  display: block;
  color: #A39483;
  font-family: "Libre Baskerville", serif;
  font-style: italic;
  font-size: 2rem;
  position: absolute;
  top: 50%;
  left: 0;
  transform: translate(0, -50%);
}
.faq_list dd {
  padding: 0 5rem 1.5rem;
  border-bottom: 0.1rem solid #DDDAD2;
  color: #333;
  font-size: 1.3rem;
  line-height: 2.3;
  letter-spacing: 0.05em;
}
.faq_list dd:not(:last-child) {
  margin-bottom: 2.6rem;
}

@media only screen and (max-width: 768px) {
  .faq_nav {
    margin-bottom: 5.4rem;
    max-width: 33rem;
  }
  .faq_nav ul {
    flex-flow: column;
    gap: 0;
  }
  .faq_nav ul li {
    width: 100%;
  }
  .faq_nav ul li a {
    padding: 1.5rem 0;
  }
  .faq_inner {
    border-top: none;
  }
  .faq_content {
    max-width: 100%;
    margin-bottom: 6rem;
    padding: 0 2rem 0 3rem;
    gap: 5rem 0;
  }
  .faq_ttl {
    margin-bottom: 3.9rem;
    padding-bottom: 3rem;
    font-size: 1.6rem;
    font-weight: 400;
  }
  .faq_list {
    padding: 0;
  }
  .faq_list dt {
    padding-left: 3.9rem;
    margin-bottom: 1.3rem;
  }
  .faq_list dt::before {
    top: -0.6rem;
    left: 1rem;
    transform: translate(0, 0);
  }
  .faq_list dd {
    padding: 0 0 3rem 3.9rem;
    line-height: 2.07;
  }
  .faq_list dd:not(:last-child) {
    margin-bottom: 3rem;
  }
}