.head_menu{
	display: none;
}
.hamburger {
	display: none;
}
.hamburger::after{
	display: none;
}
.hamburger__icon, .hamburger__icon:before, .hamburger__icon:after {
	display: none;
}
/***************************************************************.portforio_box */
.portforio_box .hamburger {
    display: block;
    width: 40px;
    height: 47px;
    color: #fff;
    background-color: #000;
    position: fixed;
    top: 0;
  right: 0;
  z-index: 10000;
  padding: 7px;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  -webkit-tap-highlight-color: transparent;
  -ms-touch-action: manipulation;
  touch-action: manipulation;
    z-index: 99999999;
}
.portforio_box .hamburger__icon {
  position: relative;
  margin-top: 15px;
  margin-bottom: 7px;
}

.portforio_box .header_nav_bar {
	width: 100%;
	position: fixed;/*relative*/
    background-color: #000;
    color: #fff;
	padding: 6px 0;
	min-height: 50px;
	z-index: 9999;
}
.portforio_box .hamburger__icon, .hamburger__icon:before, .hamburger__icon:after {
  display: block;
  width: 25px;
  height: 2px;
  background-color: #fff;
  -moz-transition-property: background-color, -moz-transform;
  -o-transition-property: background-color, -o-transform;
  -webkit-transition-property: background-color, -webkit-transform;
  transition-property: background-color, transform;
  -moz-transition-duration: 0.4s;
  -o-transition-duration: 0.4s;
  -webkit-transition-duration: 0.4s;
  transition-duration: 0.4s;
}
.portforio_box  .hamburger__icon:before, .hamburger__icon:after {
  position: absolute;
  content: "";
}
.hamburger__icon:before {
  top: -7px;
}
.portforio_box .hamburger__icon:after {
  top: 7px;
}
.portforio_box .hamburger.active .hamburger__icon {
  background-color: transparent;
}
.portforio_box .hamburger.active .hamburger__icon:before, .hamburger.active .hamburger__icon:after {
  background-color: #fff;
}
.portforio_box .hamburger.active .hamburger__icon:before {
  -moz-transform: translateY(7px) rotate(45deg);
  -ms-transform: translateY(7px) rotate(45deg);
  -webkit-transform: translateY(7px) rotate(45deg);
  transform: translateY(7px) rotate(45deg);
}
.portforio_box .hamburger.active .hamburger__icon:after {
  -moz-transform: translateY(-7px) rotate(-45deg);
  -ms-transform: translateY(-7px) rotate(-45deg);
  -webkit-transform: translateY(-7px) rotate(-45deg);
  transform: translateY(-7px) rotate(-45deg);
}
.portforio_box .hamburger.active::before,.hamburger.active::after{
    content: "";
    position: absolute;
    top:0;
    left: 25px;
    color: #231815;
    font-size: 25px;
    font-weight: 600;
    display: block;
    font-family: 'Noto Sans JP', sans-serif , serif ,メイリオ;
    z-index: 9999;
}
.portforio_box .fat-nav {
  top: 0;
  left: 0;
  z-index: 9999;
  position: fixed;
  display: none;
  width: 100%;
  height: 100%;
    background-image: url("../img/top/portfolrio_nav_bg.jpg");
  background-position: right;
    background-repeat: no-repeat;
    /*background: #000;*/
  -moz-transform: scale(1.4);
  -ms-transform: scale(1.4);
  -webkit-transform: scale(1.4);
  transform: scale(1.4);
  -moz-transition-property: -moz-transform;
  -o-transition-property: -o-transform;
  -webkit-transition-property: -webkit-transform;
  transition-property: transform;
  -moz-transition-duration: 0.4s;
  -o-transition-duration: 0.4s;
  -webkit-transition-duration: 0.4s;
  transition-duration: 0.4s;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}
.portforio_box .fat-nav__wrapper {
  width: 100%;
  height: 100%;
transform: none !important;
}
.portforio_box .fat-nav.active {
  -moz-transform: scale(1);
  -ms-transform: scale(1);
  -webkit-transform: scale(1);
  transform: scale(1);
}
.portforio_box .fat_nav_ttl{
    font-size: 24px;
	letter-spacing: 20px;
    margin-top: 30px;
    margin-left: 50px;
}
.portforio_box .portforio_nav01{
	width: 100%;
    justify-content: space-between;
    align-items: center;
    margin-top: 50px;
    margin-bottom: 40px;
	}
.portforio_box .portforio_nav01 .portforio_nav01_left{
    margin-left: 100px;
	}
.portforio_box .portforio_nav01 .portforio_nav01_left li{
    margin-right: 30px;
    font-weight: 600;
	}
.portforio_box .portforio_nav01 .portforio_nav01_right{
	margin-right: 100px;
	width: 50%;
	}
.portforio_box .portforio_nav01 .portforio_nav01_right li{
	width: 50%;
	}
.portforio_box .portforio_nav01 .portforio_nav01_right img{
	width: 100%;
	}
.portforio_box .portforio_nav01 .portforio_nav01_right .fat_nav_img{
	width: 50%;
	}
.portforio_box .portforio_nav_box3{
	width: 100%;
    padding: 0 100px;
    box-sizing: border-box;
    justify-content: space-between;
	}

.portforio_box .portforio_nav02,
.portforio_box .portforio_nav03,
.portforio_box .portforio_nav04{
	width: 33%;
	}
.portforio_box .nav_area_ttl{
    font-size: 20px;
    font-weight: 600;
    padding-bottom: 20px;
    border-bottom: 2px dotted;
    margin-bottom: 20px;
	}
.portforio_box .portforio_nav02 ul,
.portforio_box .portforio_nav03 ul,
.portforio_box .portforio_nav04 ul{
	line-height: 3em;
	padding-left: 1em;
	}
.portforio_box .portforio_nav03 .head_nav_item::before,
.portforio_box .portforio_nav04 .head_nav_item::before{
    content: "●";
    padding-right: 5px;
}
.portforio_box .fat-nav .head_nav_item{
    padding-left: 20px;
    text-indent: -20px;
    padding-right: 10px;
	letter-spacing: 6px;
}
.portforio_box .fat-nav .head_nav_item03{
    border-bottom:solid 1px;
}
.portforio_box .portforio_nav04 .address_box{
    margin: 50px auto;
    width: 100%;
}
.portforio_box .portforio_nav04 .address_box img{
    width: 100%;
}
.portforio_box .portforio_nav04 .address_box .name{
    width: 80%;
    margin-bottom: 20px;
}
.portforio_box .head_nav_ttl{
	border-bottom:dashed 1px;		
	font-weight: 600;
	font-size: 24px;
}
.portforio_box .head_nav_left hr{
	border-bottom: double;
	color:#fff;
}
.portforio_box .nav_foot{
	text-align: center;
	margin:20px auto;
	line-height: 2em;
}
.portforio_box .nav_icon{
	width: 80%;
	padding-left: 10%;
	display: flex;
	justify-content:space-between;/*横の等間隔*/
	margin-top: 5%;
}
.portforio_box .nav_icon_item{
	margin-top: 20px;
	width: 10%
}
@media (min-width: 641px) and (max-width: 1080px) 
{
.portforio_box .fat-nav {
    background-image:none;
    background-color: #fff;
}
.portforio_box .portforio_nav01{
	width: 90%;
    margin-left: auto;
    margin-right: auto;
	}
.portforio_box .portforio_nav01 .portforio_nav01_left{
    margin-left: 0;
    width: 40%;
	}
.portforio_box .portforio_nav01 .portforio_nav01_right{
    margin-right: 0;
    width: 60%;
	}
    
.portforio_box .portforio_nav02{
	margin-bottom: 30px;
	}
.portforio_box .portforio_nav02,
.portforio_box .portforio_nav03,
.portforio_box .portforio_nav04{
	width: 100%;
	}
.portforio_box .portforio_nav04 .nav_area_ttl{
    display: none;
	}
.portforio_box .portforio_nav04 .address_box{
    width: 80%;
}
.portforio_box .nav_foot{
	text-align: left;
}
}
@media (min-width: 0px) and (max-width: 640px) /*--------------------------------スマホ対応------------------------------------*/
{
.portforio_box .fat-nav {
    background-image:none;
    background-color: #fff;
}
.portforio_box .fat_nav_ttl{
    font-size: 22px;
	letter-spacing: 10px;
    margin-left: 30px;
}
.portforio_box .portforio_nav01{
	width: 90%;
    margin-left: auto;
    margin-right: auto;
	}
.portforio_box .portforio_nav01 .portforio_nav01_left{
    margin-left: 30px;
    margin-bottom: 20px;
    width: 100%;
	}
.portforio_box .portforio_nav01 .portforio_nav01_right{
    margin-right: 0;
    width: 100%;
	}
.portforio_box .portforio_nav01 .portforio_nav01_right li{
	width: 100%;
	}
.portforio_box .portforio_nav_box3{
    padding: 0 30px;
    box-sizing: border-box;
	}
    
.portforio_box .portforio_nav02{
	margin-bottom: 30px;
	}
.portforio_box .portforio_nav02,
.portforio_box .portforio_nav03,
.portforio_box .portforio_nav04{
	width: 100%;
	}
.portforio_box .fat-nav .head_nav_item{
	letter-spacing: 2px;
}
.portforio_box .portforio_nav04 .nav_area_ttl{
    display: none;
	}
.portforio_box .portforio_nav04 .address_box{
    width: 80%;
}
.portforio_box .nav_foot{
	text-align: left;
}
.portforio_box .nav_icon{
	padding-left: 0;
	width: 100%;
	justify-content:space-around;
    }
.portforio_box .nav_icon_item{
	width: 12%
}

}