::-webkit-scrollbar {
display:none;
}
header{
  width: 100vw;
  z-index: 10;
}
.btn_turn{
  cursor: pointer;
}
@media screen and (min-width: 800px) {
  header{
    background: white;
    width: 100%;
    display: block;
  }
  .mobile{
    display: none;
  }
  .fixed_menu{
    position : fixed;
    top : -100px;
  }
  header>.computer>div{
    width: calc(100% - 200px);
    padding: 0 100px;
  }
  .top_menu{
    background: black;
    display: flex;
    height: 30px;
    position: relative;
    z-index: 10;
  }
  .top_menu p{
    margin: auto;
    color : white;
    padding : 0 10px;
    font-size: 14px;
  }
  .top_menu > p:not(:last-child){
    border-right: 1px solid gray;
  }
  .arfis_icon_div{
    padding: 10px;
    max-width: 1300px;
    background: white;
    z-index: 10;
    position: relative;
    margin: auto;
  }
  .arfis_img{
    background: url(/img/icon/ARFIS_icon.png);
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    width: 150px;
    height: 50px;
    cursor: pointer;
  }
  .main_menu{
    position: relative;
    z-index: 10;
    background: white;
    border-top: 1px solid black;
    height: 45px;
  }
  .main_menu>div{
    display: flex;
    max-width: 1000px;
    text-align: center;
    margin: auto;
    height: 100%;
  }
  .computer{
    transition: .3s;
  }
  .computer .menu_text {
    flex: 1;
    margin: auto;
    padding: 12px;
    position: relative;
    background: white;
    z-index: 2;
    transition: .5s;
    cursor: pointer;
    font-weight: bold;
  }
  .main_menu .menu_text:nth-child(odd){
    color : #3c7fbb;
  }
  .main_menu .menu_text:nth-child(even){
    color : #bf6416;
  }
  .black_font{
    color: black !important;
  }
  .sub_menu{
    position: absolute;
    transition: top .6s;
    z-index: 5;
    top: -77px;
    background: white;
    border-bottom: 1px solid #0d2235;
  }
  .sub_menu>div{
    display: flex;
    max-width: 1000px;
    margin: auto;
  }
  .sub_menu>div>div:nth-child(odd)>p:hover{
    color : #3c7fbb;
    text-decoration: underline;
  }
  .sub_menu>div>div:nth-child(even)>p:hover{
    color : #bf6416;
    text-decoration: underline;
  }
  .sub{
    padding: 0 20px;
    transition: .7s;
    font-size: 13px;
    flex: 1;
    cursor: pointer;
  }
  .sub>p{
    word-break: keep-all;
  }
  .sub>p::before{
    content: "- "
  }

  .backEEE,.sub:hover{
    background: #eee;
  }
}
@media screen and (max-width: 800px) {
  header{
    position: fixed;
    height: 50px;
  }
  header>.mobile{
    width: 100vw;
    display: flex;
    background-color: #0d2235;
    position: fixed;
    height: 50px;
  }
  .computer{
    display: none;
  }
  #menu_icon {
    display: flex;
    flex-direction: row;
    align-items: center;
  }
  .wrap_bar {
    width: 30px;
    height: 30px;
    display: flex;
    flex-direction: column;
    padding: 5px;
    padding-left: 15px;
  }
  .menu_bar {
    height: 3px;
    width: 30px;
    background-color: white;
    align-items: center;
    margin: auto;
    border-radius: 10px;
  }
  #header_title{
    width: calc(100% - 50px);
    height: 100%;
    display: flex;
    padding-right: 50px;
  }
  #Header_title_div{
    height: 100%;
    display: flex;
    color : white;
    width: max-content;
    margin: auto;
  }
  #header_title > p{
    color : white;
  }
  .sign {
    display: flex;
    color: white;
    width: 170px;
    padding: 0 5px;
  }
  .sign p{
    align-items: center;
    width: 70px;
    padding: 5px;
    background: #2196F3;
    border-radius: 5px;
    text-align: center;
    margin: auto;
  }
  .null{
    flex: 1;
  }
  #side_menu {
    position: fixed;
    top: 50px;
    left: -300px;
    width: 300px;
    height: 100%;
    background: white;
    color: black;
    z-index: 2;
    transition: .5s;
  }
  .gray{
    box-shadow: rgba(0,0,0,0) 0 0 0 800px, rgba(0,0,0,0) 0px 2px 20px 2px;
  }
  #side_menu>div{
    display: block;
    max-width: 850px;
    margin: auto;
  }
  ::-webkit-scrollbar {
    display: none;
  }
  .open_side{
    left: 0 !important;
    top: 50px !important;
  }
  #side_menu>div>div {
    width: 100%;
    transition: .5s;
  }
  #side_menu>div>div:hover {
    background: #eeeeee;
  }
  .menu_text{
    font-weight: bold;
    margin: 0;
    padding: 10px;
    text-align: center;
    width: max-content;
    margin: auto;
    border-bottom: 2px solid transparent;
    transition: border 0.5s ;
  }
  .sub {
    text-align: center;
    padding: 0 20px;
    overflow: hidden;
    transition: .7s;
    font-size: 13px;
    height: 0;
    border-radius: 5px;
  }
  #side_menu>.wrap>div:nth-child(1)>div:nth-child(2).open_sub_menu{height: 228px;}
  #side_menu>.wrap>div:nth-child(2)>div:nth-child(2).open_sub_menu{height: 103px;}
  #side_menu>.wrap>div:nth-child(3)>div:nth-child(2).open_sub_menu{height: 43px;}
  #side_menu>.wrap>div:nth-child(4)>div:nth-child(2).open_sub_menu{height: 133px;}
  #side_menu>.wrap>div:nth-child(5)>div:nth-child(2).open_sub_menu{height: 43px;}

  #side_menu>.wrap>div:nth-child(7)>div:nth-child(2).open_sub_menu{height: 133px;}
  /* #side_menu>.wrap>div:nth-child(7)>div:nth-child(2).open_sub_menu{height: 103px;} */
  /* #side_menu>.wrap>div:nth-child(8)>div:nth-child(2).open_sub_menu{height: 103px;} */
}