.contact-form {
  padding: 46px 0 133px;
}
.contact-form__desc {
  font-size: 20px;
  letter-spacing: 0.06em;
  text-align: center;
}
.contact-form__qa-box {
  position: relative;
  width: 100%;
  max-width: 700px;
  background: #f5f5f5;
  border-radius: 10px;
  margin: 71px auto 0;
  padding: 37px 20px 32px;
}
.contact-form__qa-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-52%, -54%);
  display: block;
  width: 85px;
  height: 70px;
  background: url(../img/common/icon-qa.svg) center/contain no-repeat;
}
.contact-form__qa-box .c-btn {
  margin: 14px auto 0;
}
.contact-form__qa-desc {
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.06em;
  line-height: 1.5555555556;
  text-align: center;
}
.contact-form__iframe-wrap {
  position: relative;
  max-width: 800px;
  border: solid 4px #004490;
  border-radius: 10px;
  margin: 84px auto 0;
  padding: 60px 0 0;
}
.contact-form__iframe-wrap::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  display: block;
  width: 115px;
  height: 18px;
  background: url(../img/common/clip.svg) center/contain no-repeat;
}
@media screen and (min-width: 751px) {
  .contact .c-contact {
    padding: 80px 0 80px;
  }
  .contact .c-contact__ttl {
    font-size: 32px;
    line-height: 1.75;
  }
  .contact .c-contact__list {
    margin-top: 68px;
  }
}
@media screen and (max-width: 750px) {
  .contact-form {
    padding: 30px 0 40px;
  }
  .contact-form__desc {
    font-size: 14px;
  }
  .contact-form__qa-box {
    border-radius: 5px;
    margin-top: 35px;
    padding: 18px 0 15px;
  }
  .contact-form__qa-box::before {
    width: 43px;
    height: 35px;
  }
  .contact-form__qa-box .c-btn {
    margin-top: 10px;
  }
  .contact-form__qa-desc {
    font-size: 14px;
  }
  .contact-form__iframe-wrap {
    border-width: 2px;
    border-radius: 5px;
    margin-top: 40px;
    padding: 40px 0 0;
  }
  .contact-form__iframe-wrap::before {
    width: 77px;
    height: 12px;
  }
  .contact .c-contact__ttl {
    font-size: 18px;
  }
  .contact .c-contact__list {
    margin-top: 25px;
  }
}