.margintop {
margin-top: 20px !important;
}

// カレンダー
.tbl_calendar {
  border: none !important;
  border-collapse: collapse !important;
  border-spacing: 0 !important;
}
.tbl_calendar th, .tbl_calendar td {
  padding: 4px !important;
  text-align: center !important;
  border-bottom: 1px solid #ccc !important;
}

.mainCalendar {
  display: flex;
  justify-content: space-between;
}
.mainCalendar table.tbl_calendar {
    max-width: calc(50% - 30px);
}
.mainCalendar table.tbl_calendar caption{
  font-weight: bold;
    margin: 0px auto 15px;
    font-size: 18px;
}
@media (max-width: 991px) {
  .mainCalendar {
    display: block;
  }
  .mainCalendar table.tbl_calendar {
      max-width: 100%;
  }
}
.iconButton--square span:first-child, a.iconButton--square span:first-child {flex: 0 1 5px !important;}
.iconButton--square span:first-child img, a.iconButton--square span:first-child img {opacity: 0;}