/* 메인 비주얼 스타일 */
.hero {
  position: relative;
  width: 100%;
  height: 50vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  margin-bottom: 40px;
}

.hero-image {
  width: 100vw;
  height: 100%;
  background-position: center;
  background-image: url('../images/business_areas_mainvisual.png');
  background-size: cover;
  position: absolute;
  top: 0;
  opacity: 0.9;
}

.hero-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
  z-index: 1;
}

.hero h1 {
  font-size: 48px;
  color: #fff;
}

/* 컨텐츠 섹션 스타일 */
#businessareas {
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
  margin-bottom: 40px;
}

/*사업분야 서브메뉴 스타일*/
.businessareas_menu {
  width: 100%;
  margin-bottom: 30px;
  border-bottom: solid 2px #f2f2f2;
}

.businessareas_menu ul {
  display: flex;
  height: 50px;
  justify-content: space-between;
  list-style: none;
  padding: 0;
}

.businessareas_menu ul li {
  flex: 1;
  text-align: center;
}

.businessareas_menu ul li a {
  display: block;
  padding: 15px;
  text-decoration: none;
  color: #333;
  font-weight: bold;
}

.businessareas_menu ul li:hover {
  background-color: #f2f2f2;
}

.businessareas_title {
  text-align: center;
  font-size: 24px;
  margin-bottom: 50px;
}
/*사업분야 서브메뉴 스타일 끝*/

h4.businessareas_subtitle {
  width: 100%;
  height: 80px;
  font: bold 24px/80px "Noto Sans KR";
  position: relative;
}

.management_policy {
  width: 100%;
  height: auto;
  position: relative;
  background-color: #F2F2F2;
}

.management_policy-container,
.businessarea_list-container,
.expense-container,
.sos-container,
.contract-container {
  width: 1400px;
  height: auto;
  margin: 0px auto;
  margin-bottom: 10vh;
  position: relative;
}

.management_policy-container>img {
  width: 100%;
  position: relative;
}

.businessarea_list-container>section {
  width: 100%;
  display: flex;
  justify-content: space-between;
  position: relative;
}

.businessarea_list-container>section>ul {
  width: 100%;
  display: flex;
  justify-content: space-between;
}

.businessarea_list-container>section>ul>li {
  width: 30%;
}

.businessarea_list-container>section>ul>li>img {
  width: 100%;
}

.management_policy-container>img,
.expense-container>img,
.sos-container>img,
.contract-container>img {
  width: 100%;
  position: relative;
  margin: 10vh 0;
}

/*관리비용절감방안*/
.expense {
  width: 100%;
  position: relative;
  /* background-color: blue; */
}
.expense-container{
  width: 1400px;
  margin: 0 auto;
  position: relative;
  top: 0px;
  left: 0px;
}

.expense-container>img{
  width: 100%;
  position: relative;
  /* background-color: red; */
}
.sos{
  width: 100%;
  background: #F2F2F2;
  position: relative;
  top: 0;
  left: 0;
}
.sos-container{
  width: 1400px;
  height: auto;
  margin: 0px auto;
  position: relative;
  top: 0px;
  left: 0px;
  /* background-color: red; */
}
.sos-container>img{
  width: 100%;
  height: auto;
  margin: 40px;
  /* background-color: red; */
}

/*계약및관리*/
.contract{
  width: 100%;
  height: auto;
}
.contract-container{
  width: 1400px;
  margin: 0px auto;
  position: relative;
  top: 0px;
  left: 0px;
}
.contract-container>img{
  width: 100%;
  height: auto;
  margin: 40px;
}


@media screen and (max-width: 1400px) {

  .header-container,
  .businessareas_subtitle,
  .management_policy-container,
  .businessarea_list-container,
  .expense-container,
  .sos-container,
  .contract-container,
  .footer-content {
    max-width: 90%;
    margin: 0 auto;
  }
}

@media screen and (max-width: 768px) {
  .header-container {
    flex-direction: column;
    align-items: flex-start;
    border-bottom: none;
  }

  nav ul {
    margin-top: 20px;
  }

  .company-info {
    flex-basis: 100%;
    margin-bottom: 40px;
  }
}