* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Noto Sans KR', 'Malgun Gothic', sans-serif;
  overflow-x: hidden;
}

.main {
  position: relative;
  width: 100%;
  min-height: 100dvh;
  background: url(../img/pc.png) no-repeat;
  background-position: center;
  background-size: cover;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.main-title {
  color: #fff;
  font-weight: 700;
  font-size: 70px;
  text-align: center;
  line-height: 1.2;
}
.main-title br {
  display: none;
}
.sub-title {
  color: #fff;
  font-size: 50px;
  text-align: center;
  margin-top: 20px;
}
/* 반응형 디자인 - 720px 이하 모바일 버전 */
@media (max-width: 1023px) {
  .main-title {
    font-size: 56px;
  }
  .sub-title {
    font-size: 38px;
  }
}

@media (max-width: 720px) {
  .main {
    background: url(../img/mo.png) no-repeat;
    background-position: center;
    background-size: cover;
  }
  .main-title {
    font-size: 38px;
  }
  .main-title br {
    display: block;
  }
  .sub-title {
    font-size: 20px;
}
}