.mentor_blc ul {
  padding-right: 0;
  padding-left: 0;
  width: 100%;
  max-width: 100%;
}

.mentor_blc ul li {
  width: 30%;
  max-width: 30%;
  padding-right: 0;
  padding-left: 0;
}

@media screen and (max-width: 430px) {
  .mentor_blc ul li {
    width: 100%;
    max-width: 100%;
  }
}

@media screen and (min-width: 769px) {
  .mentor_blc ul li {
    width: calc(50% - 10px);
    margin-right: 20px !important;
  }

  .mentor_blc ul li:last-child {
    margin-right: 0 !important;
  }
}

.mentor_blc .btn_box {
  text-align: center;
}

.mentor_blc .btn_box span {
  display: inline-block;
  background-color: #fdc600;
  color: #fff;
  line-height: 1;
  padding: 7px 10px;
  border-radius: 100px;
}

.mentor_blc .btn_box span.go {
  display: none;
}

.mentor_blc .txt_box {
  opacity: 0;
  height: 0;
  -webkit-transition: all 0.6s ease;
  transition: all 0.6s ease;
}

.mentor_blc .mnt_box.open .btn_box span.to {
  display: none;
}

.mentor_blc .mnt_box.open .btn_box span.go {
  display: inline-block;
}

.mentor_blc .mnt_box.open .txt_box {
  opacity: 1;
  height: auto;
}