@media screen and (max-width: 768px) {
nav {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	z-index: 999;
}

#menu-btn-check { display: none;}
.menu-btn {
    position: fixed;
    top: 20px;
    right: 10px;
    display: flex;
    height: 40px;
    width: 40px;
    justify-content: center;
    align-items: center;
    z-index: 90;
    background-color:#e9ded6;
	cursor: pointer;
	
}
.menu-btn span,
.menu-btn span:before,
.menu-btn span:after {
    content: '';
    display: block;
    height: 3px;
    width: 25px;
    border-radius: 3px;
    background-color: #ffffff;
    position: absolute;
	transition: all 0.5s;
}

#menu-btn-check:checked ~ .menu-btn span {
  background: rgba(255, 255, 255, 0);
}


#menu-btn-check:checked ~ .menu-btn span::before {
  bottom: 0;
  transform: rotate(45deg);
  transition: all 0.5s;
}

#menu-btn-check:checked ~ .menu-btn span::after {
  top: 0;
  transform: rotate(-45deg);
  transition: all 0.5s;
}

.menu-btn span:before {
    bottom: 8px;
}
.menu-btn span:after {
    top: 8px;
}

.menu-content {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 80;
    background-color: rgb(255,255,255,0.9);
}

.menu-content ul {
    padding: 70px 10px 0;
}

.menu-content ul li {
    border-bottom: solid 1px #c0c0c0;
    list-style: none;
}
.menu-content ul li a {
    display: block;
    width: 100%;
    font-size: 15px;
    box-sizing: border-box;
    color:#555;
    text-decoration: none;
    padding: 9px 15px 10px 0;
    position: relative;
	padding-left: 10px;
}

.menu-content ul li a:hover {
    background-color:#e9ded6;
}

.menu-content ul li a::before {
    content: "";
    width: 7px;
    height: 7px;
    border-top: solid 2px #ffffff;
    border-right: solid 2px #ffffff;
    transform: rotate(45deg);
    position: absolute;
    right: 11px;
    top: 16px;
}

.menu-content {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 100%;/*leftの値を変更してメニューを画面外へ*/
    z-index: 80;
    background-color: rgb(255,255,255,0.9);
    transition: all 0.5s;/*アニメーション設定*/
}

#menu-btn-check:checked ~ .menu-content {
    left: 0;/*メニューを画面内へ*/
}


}