.main {
  padding-top: 9.517%;
  background-color: #F5F8FA;
}

.main .content_box {
  width: 39.532%;
  margin: 0 auto;
  background-color: #fff;
  border: 1px solid #E6ECF0;
  padding: 2.929%;
  border-radius: 8px;
}

.main .content_box h2 {
  line-height: 1.52;
  margin-bottom: 5.243%;
}

.main .content_box .input_box {
  margin-bottom: 3.496%;
}

.main .content_box .input_box p.f14 {
  line-height: 1.429;
}

.main .content_box .input_box input {
  border: 1px solid #D3DEE6;
  width: 100%;
  border-radius: 4px;
  height: 40px;
  margin-top: 8px;
  padding-left: 12px;
}

.main .content_box .check {
  display: flex;
  align-items: center;
}

.main .content_box .check input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  outline: none;
  display: block;
  position: relative;
  text-align: center;
  cursor: pointer;
  width: 20px;
  height: 20px;
  border: 1px solid #D3DEE6;
  border-radius: 2px;
}

.main .content_box .check p {
  margin-left: 8px;
}

/* チェックボックスのデザイン */
.main .content_box .check input[type='checkbox']::before {
  display: block;
  position: absolute;
  content: '';
  width: 20px;
  height: 20px;
  top: 0;
  right: 0;
  left: 0;
  margin: auto;
  border-radius: 2px;
}

/* チェックボックスの背景をチェック後に変更 */
.main .content_box .check input[type='checkbox']:checked::before {
  background-color: #1C80CB;
}

/* チェックマークのデザイン */
.main .content_box .check input[type='checkbox']::after {
  display: block;
  content: '';
  position: absolute;
  left: 0px;
  right: 0;
  margin: auto;
  top: 0px;
  bottom: 0;
  width: 5px;
  height: 10px;
  border-right: 3px solid #fff;
  border-bottom: 3px solid #fff;
  transform: rotate(45deg);
  /* チェックしてないときは隠す */
  opacity: 0;
}

/* チェックするとチェックマークの透明化を解除 */
.main .content_box .check input[type='checkbox']:checked::after {
  opacity: 1;
}

.main .content_box .form_button {
  margin-top: 5.68%;
}

.main .content_box .form_button .btn {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  outline: none;
  border: transparent;
  width: 100%;
  border-radius: 4px;
  color: #fff;
  padding: 2.623% 0;
}

.main .content_box .transition {
  margin-top: 5.243%;
}

.main .content_box .transition .f14 {
  display: block;
  text-align: right;
  color: #1C80CB;
  padding-right: 13px;
  position: relative;
  margin-bottom: 3.496%;
}

.main .content_box .transition .f14::after {
  position: absolute;
  content: "";
  background-image: url(../img/common/b_arrow.svg);
  width: 5px;
  height: 9px;
  top: 0;
  bottom: 0;
  right: 0;
  margin: auto;
}

.main .content_box .transition a:last-child {
  margin-bottom: 0;
}

@media screen and (max-width: 1024px) {
  .main .content_box {
    width: 50%;
  }
}

@media screen and (max-width: 768px) {
  .main .content_box {
    width: 65%;
  }
}

@media screen and (max-width: 480px) {
  .main .content_box {
    width: 90%;
    padding: 10px;
  }

  .main .content_box .input_box {
    margin-bottom: 6%;
  }

  .main .content_box .form_button .btn {
    padding: 5%;
  }
  .main .content_box .input_box input {
    margin-top: 2px;
  }
  .main .content_box .transition a:last-child {
    padding: 0;
    margin: 20px 0 8px;
  }

  .main .content_box .form_button {
    margin-top: 5px;
}
  .main .content_box .check_content input[type='checkbox']::before {
    width: 15px;
    height: 15px;
    border-radius: 4px;
  }

}