body {
  max-width: 100%;
  overflow-x: hidden;
}

#landing{
  /* display: flex; */
  /* justify-content: center; */
  /* align-items: center; */
  background-color: var(--bu-color);
  background-image: url(../picture/landing/map.jpg);
  background-size: cover;
  background-repeat: no-repeat;
  color: var(--w-color);
}

.header-landing{
  margin: 1rem 3rem;
}

.social-box{
  background-color: var(--w-color);
  border: 1px solid var(--w-color);
  border-radius: 20px;  
  width: 100%;
  /* height: 2.5rem; */
  /* margin: 0.2rem 0rem; */
}
.social-box:hover{
  background-color: var(--color-01-light);
}

.social-box .text{
  float: right;
  width:80%;
  height: 100%;
  text-align: center;
  font-weight: bold;
}

.social-box .text span{
  color: var(--color-menu);
  font-family: IRANSans,verdana,tahoma;
  line-height: 2.2rem;
}


.social-box .pic{
  float: left;
  width:20%;
  height: 100%;  
}


.social-box .pic img{
  height: 100%;
  display: block;
  float: left;
  padding : 2px 2px 2px 5px; 
}

.notice01-landing{
  /* font-size: 1.5rem; */
  font-weight: bold;
  color: var(--w-color);
  padding: 2rem 2rem;
}

.notice02-landing{
  display: block;
  /* font-size: 1.1rem; */
  font-weight: bold;
  color: var(--w-color);
  padding: 2rem;
  /* margin-top: 2rem; */
}

.buildings-landing {
  /* margin: 0.3rem 2rem; */
  text-align: center;  
  border-radius: 10px;;
}
.buildings-landing span:hover {    
    background-color: var(--color-01-light);
 
}

.buildings-landing span{
  display: block;
  background-color: var(--w-color);
  border-radius: 10px;;
  color: var(--color-menu);
  font-family: IRANSans,verdana,tahoma;
  font-weight: bold;
  line-height: 3.2rem;
}

@media screen and (max-width:767px) {
  .social-box{
    margin: 0.5rem 0rem;
    height: 2.5rem;
  }

  .buildings-landing span{
    font-size: 1rem;
  }
  .buildings-landing{
    margin: 0.3rem 0rem;
  }

  .notice01-landing {
    font-size: 1.1rem;
    line-height: 2.5rem;
  }  

  .notice02-landing{
    font-size: 1.0rem;    
  }

}

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

  #landing{
    height: 100vh;
  }

  .social-box{
    margin: 0.2rem 0rem;
    height: 2.5rem;
  }

  .buildings-landing{
    width:80%;
    margin: 0.3rem 2rem;
  }

  .buildings-landing.management{
    width:100% !important;
  }

  .buildings-landing.management span{
    width:50%;
  }

  .buildings-landing.right {  
    margin-left: 0rem !important;
    float: left;
  }
  .buildings-landing.left {  
    margin-right: 0rem !important;
    float: right;
  }

  .notice02-landing{
      font-size: 1.1rem;    
  }
 
  .notice01-landing{
    font-size: 1.5rem;
  }  
}