@charset "utf-8";
/* common
==================================*/
  #AllBox{
    width: 100%;
    height: 100vh;
    overflow: hidden;
  }


/* heroArea
==================================*/
  .heroArea{
    position: relative;
    background: url(../images/index/main.jpg) no-repeat;
    background-size: cover;
    width: 100%;
    height: 71.4vh;
  }
  .heroArea .inner{
    position: absolute;
    left: 0;
    right: 0;
    top: 20%;
    text-align: center;
    margin: auto;
  }
  .heroArea .logo{
    padding: 0 0 30px;
  }
  .heroArea .logo img{
    display: block;
    width: 187px;
    margin: auto;
  }
  .heroArea p{
    font-size: 15px;
    line-height: 31px;
    letter-spacing: 0.1em;
    font-weight: 300;
  }

  .logo-t{
    opacity: 0;
    transition: 2s;
  }
  .logo-b{
    opacity: 0;
    transition: 4s;
  }
  .move{
    opacity: 1;
  }


/* menuArea
==================================*/
  .menuArea{
    box-sizing: border-box;
    height: 28.6vh;
    padding: 4.4vh 0;
  }
  .menuArea .inner{
    height: 100%;
  }
  .menuArea ul{
    display: flex;
    max-width: 100%;
    height: 100%;
  }
  .menuArea ul li{
    position: relative;
    width: calc(100% / 3);
    height: 100%;
    overflow: hidden;
  }
  .menuArea ul li::after{
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    content: "";
    background-color: rgba(0,0,0,.3);
    width: 100%;
    height: 100%;
    transition: 1s;
  }
  .menuArea ul li:hover::after{
    opacity: 0;
  }
  .menuArea ul li::before{
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    content: "";
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: 1s;
  }
  .menuArea ul li.history::before{
    background-image: url(../images/index/History.jpg);
  }
  .menuArea ul li.concept::before{
    background-image: url(../images/index/Concept.jpg);
  }
  .menuArea ul li.column::before{
    background-image: url(../images/index/Column.jpg);
  }
  .menuArea ul li:hover::before{
    transition: 5s;
    transform: scale(1.15);
  }
  .menuArea ul li a{
    position: relative;
    z-index: 5;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
  }
  .menuArea ul li img{ width: 134px; }