.study-box {
  display: flex;
  gap: 40px;
  grid-gap: 40px;
}
.study-left {
  width: 66%;
  flex-shrink: 0;
  -webkit-flex-shrink: 0;
}
.tab-nav a{
  padding: 0 49px;
    margin-right: unset;
}
.study-ul {
}
.study-ul li {
  border-bottom: 1px solid #d8d8d8;
  padding: 41px 21px;
}
.study-ul li a {
  display: flex;
  align-items: center;

}
.study-ul li:hover {
  background: #f7f7f7;
}
.date-box {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 38px;
}
.date-day {
  font-family: Consolas, Consolas;
  font-weight: bold;
  font-size: 52px;
  color: #1885ed;
}
.line {
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: bold;
  font-size: 35px;
  color: #000000;
  margin: 0 5px;
}
.date-month {
  display: flex;
  flex-direction: column;
  font-family: Consolas, Consolas;
  font-weight: bold;
  font-size: 18px;
  color: #676767;
}
.study-word {
  border-left: 1px solid #c4c4c4;
  padding-left: 38px;
}
.study-word h3 {
  font-weight: bold;
  font-size: 20px;
  margin-bottom: 15px;
}
.study-word p {
  font-size: 16px;
  color: #7a7a7a;
  line-height: 25px;
  margin-bottom: 15px;
}

.study-word span {
  font-size: 16px;
}

@media screen and (max-width: 768px) {
}