.openbtn {
    position: fixed;
    z-index: 9999;
    top: 10px;
    left: 10px;
    cursor: pointer;
    width: 70px;
    height: 70px;
}


.openbtn span {
    display: inline-block;
    transition: all .4s;
    position: absolute;
    left: 14px;
    height: 3px;
    border-radius: 2px;
    background-color: rgb(255, 255, 255);
    width: 45%;
}

.openbtn span:nth-of-type(1) {
    top: 18px;
}

.openbtn span:nth-of-type(2) {
    top: 29px;
}

.openbtn span:nth-of-type(3) {
    top: 40px;
}

.openbtn.active span:nth-of-type(1) {
    top: 18px;
    left: 18px;
    transform: translateY(6px) rotate(-45deg);
    width: 30%;
}

.openbtn.active span:nth-of-type(2) {
    opacity: 0;
}

.openbtn.active span:nth-of-type(3) {
    top: 30px;
    left: 18px;
    transform: translateY(-6px) rotate(45deg);
    width: 30%;
}

#g-nav {
    position: fixed;
    z-index: 999;
    top: 0;
    left: -120%;
    width: 13.541%;
    height: 45vh;

    transition: all 0.6s;
    background-color: rgba(0, 0, 0, 0.0);
}





#g-nav.panelactive {
    left: 0;
}

.panelactive.headerColorScroll a {
    color: #333;
    transition: color 0.4s ease-out;
}

.panelactive.headerColorScroll .openbtn span {
    background-color: #333333;
    transition: color 0.4s ease-out;
}

.headerColorScroll .openbtn span {
    background-color: #333333;
    transition: color 0.4s ease-out;
}



.panelactive.headerColorScroll .menu_logo_white {

    display: none;
}

.panelactive.headerColorScroll .menu_logo_black {

    display: inline;
}

.panelactive .menu_logo_black {

    display: none;
}


.panelactive .headerColorScroll ul li a {}

#g-nav ul {
    position: absolute;
    z-index: 999;


}


#g-nav li {
    border-left: solid 3px #fff;
    padding-left: 1.5rem;
    margin-bottom: 23.913%;
    font-size: 1.9rem;
    font-family: noto-sans-cjk-jp, sans-serif;
    font-weight: 900;
    display: block;
}

#g-nav.panelactive.headerColorScroll li {
    border-left: solid 3px #333;

}

#g-nav li a {}

#g-nav li:first-of-type {
    padding: 0;
    border: none;
}

#g-nav.panelactive.headerColorScroll li:first-of-type {
    padding: 0;
    border: none;
}

li img {}