form#mailformpro .calender_lists {
  display: flex;
  flex-wrap: wrap;
  border-top: none;
  padding: 0;
  margin: 0;
}

form#mailformpro .calender_lists:not(:first-child) {
  border-top: #999 1px solid;
  padding-top: 10px;
  margin-top: 10px;
}

form#mailformpro .calender_lists .calender_day {
  width: 100%;
  text-align: center;
  padding: 0;
  margin: 0;
}

form#mailformpro .calender_lists .calender_time {
  width: calc(100% - 20px);
  padding: 0;
  margin: 0 auto;
}

form#mailformpro .calender_lists .calender_time .calender_time_lists {
  display: flex;
  flex-wrap: wrap;
}

form#mailformpro .calender_lists .calender_time .calender_time_lists .calender_time_list {
  width: calc(33.3% - 10px);
  text-align: center;
  font-size: 1.4rem;
  border-top: none;
  margin: 0 5px 5px;
  padding: 0;
}

@media (min-width: 560px) {
  form#mailformpro .calender_lists .calender_day {
    width: 25%;
  }
  form#mailformpro .calender_lists .calender_time {
    width: 75%;
  }
}