.calendar_box + .calendar_box {
  margin-top: 64px;
}

.calendar_box h2 {
  text-align: center;
  margin: 24px 0;
  font-size: 24px;
}

.calendar_inner_box {
  width: 95%;
  margin-left: auto;
  overflow: auto;
}
.calendar_inner_box img {
  width: 1110px;
  max-width: none;
}

ul.ul_calendar_grade {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: flex-start;
  flex-wrap: wrap;
  align-items: flex-start;
  padding: 16px 20px 24px;
  background: #fff;
  position: relative;
  z-index: 1;
}
li.li_calendar_grade_item {
  margin-right: 15px;
  font-size: 12px;
  display: flex;
  justify-content: flex-start;
  flex-wrap: wrap;
  align-items: center;
}
li.li_calendar_grade_item span {
  display: inline-block;
  width: 15px;
  height: 15px;
  border: 1px solid #fff;
  margin-right: 5px;
}

@media (min-width: 1921px) {
  .calendar_box h2 {
    font-size: min(1.2vw, 48px);
  }
}

@media (min-width: 2560px) {
  .calendar_inner_box {
    margin: auto;
  }
  .calendar_inner_box img {
    width: 100%;
    max-width: 100%;
  }
  li.li_calendar_grade_item {
    font-size: 24px;
  }
  li.li_calendar_grade_item span {
    width: 30px;
    height: 30px;
  }
}

@media (max-width: 1199px) {
  .calendar_box h2 {
    font-size: min(6.5vw, 32px);
  }
}