.p-thanks {
  background-image: linear-gradient(90deg, #F5F7F8, #ECF0F5);
}
.p-thanks__content {
  margin-top: 5rem;
}
.p-thanks__content h3 {
  font-size: 3rem;
}
.p-thanks__content p {
  margin-top: 1.8rem;
  font-size: 1.6rem;
}
@media (min-width: 768px) {
  .p-thanks__content h3 {
    font-size: 4rem;
  }
  .p-thanks__content p {
    font-size: 2rem;
  }
}
.p-thanks__content {
  position: relative;
  padding-top: 3rem;
  padding-bottom: 15rem;
  letter-spacing: 0.06em;
}
@media (min-width: 768px) {
  .p-thanks__content {
    padding-top: 5rem;
    padding-bottom: 20rem;
  }
}
.p-thanks__content:before {
  content: "";
  display: block;
  width: 100%;
  height: 0;
  padding-top: 5.89%;
  position: absolute;
  left: 0;
  bottom: 0;
  background: url(../images/ipr/case_bg.png) bottom center no-repeat;
  background-size: 100%;
}
.p-thanks__content .is-btn {
  margin-top: 10rem;
}