.title {
  font-size: 2.3rem;
  font-weight: 700;
  letter-spacing: -.05rem;
  margin-bottom: 2rem;
  background: url("../img/point.png") no-repeat 0 50% / 2rem;
  padding-left: 2.8rem;
  color: #2673b0;
}

.quick_wrap {
  margin-bottom: 4.5rem;
}
.quick_wrap ul {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
}
.quick_wrap ul li a {
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
  height: 10rem;
  font-size: 1.7rem;
  font-weight: 600;
  border-radius: 1.5rem;
  box-shadow: rgba(0, 0, 0, 0.1) 0px 1px 3px;
  position: relative;
  z-index: 2;
  color: #fff;
  overflow: hidden;
  line-height: 1.4;
  letter-spacing: -.1rem;
}
.quick_wrap ul li a::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background: rgba(0, 35, 68, 0.5);
  z-index: -1;
}
.quick_wrap ul li:nth-child(1) a {
  background: url("../img/sub1.jpg") no-repeat center / cover;
}
.quick_wrap ul li:nth-child(2) a {
  background: url("../img/sub2.jpg") no-repeat center / cover;
}
.quick_wrap ul li:nth-child(3) a {
  background: url("../img/sub3.jpg") no-repeat center / cover;
}
.quick_wrap ul li:nth-child(4) a {
  background: url("../img/sub4.jpg") no-repeat center / cover;
}
.quick_wrap ul li:nth-child(5) a {
  background: url("../img/sub5.jpg") no-repeat center / cover;
}
.quick_wrap ul li:nth-child(6) a {
  background: url("../img/quiz.jpg") no-repeat center / cover;
}

.preview_wrap {
  margin-bottom: 2rem;
}
.preview_wrap ul li {
  border: 1px solid #ddd;
}
.preview_wrap ul li:not(:last-child) {
  margin-bottom: 1.5rem;
}
.preview_wrap ul li p {
  font-size: 1.8rem;
  font-weight: 500;
  line-height: 1.4;
  padding: 1.5rem;
  letter-spacing: -.08rem;
}
.preview_wrap ul li .q {
  background: #f4f8ff;
}
.preview_wrap ul li .a {
  font-size: 1.7rem;
  border-top: 1px solid #ddd;
  color: #777;
  line-height: 1.5;
}

.add_wrap {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.add_wrap a {
  display: block;
  font-size: 2rem;
  font-weight: 600;
  border: 1px solid #ddd;
  padding: 2rem 1.5rem;
  border-radius: 1rem;
  background: #e4eeff;
}