.is_mo {
  display: none;
}
.contentSection {
  padding: 6% 0 6.6% 0;
  max-width: 760px;
  margin: 0 auto;
}
img {
  width: 100%;
}

body {
  text-align: center;
}
.mainFooter .text {
  text-align: left;
}

.bottom {
  position: relative;
}
.bottom button {
  position: absolute;
  left: 36%;
  top: 58%;
  width: 28%;
  height: 8%;
}

.fixedBtn {
  display: none;
  position: fixed;
  left: 50%;
  bottom: 10px;
  max-width: 476px;
  width: 100%;
  transform: translateX(-50%);
}

@media screen and (max-width: 760px) {
  .is_pc {
    display: none;
  }
  .is_mo {
    display: block;
  }
  .contentSection {
    padding: 20% 4% 20% 4%;
    max-width: 760px;
    margin: 0 auto;
  }
  .fixedBtn {
    display: block;
    left: 0;
    transform: translateX(0);
    padding: 0 16px;
    max-width: 100%;
  }

  .bottom button {
    left: 14%;
    width: 72%;
    height: 7%;
  }
}