html {
	scroll-behavior: smooth;
}

a {
	transition-duration: 160ms;
	transition-property: all;
	transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

body {
	transition-duration: 1600ms;
	transition-property: all;
	transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
	font-family: 'Noto Sans JP', 'sans-serif';
	font-feature-settings: 'palt' 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-text-size-adjust: 100%;
}

a:hover {
	text-decoration: none;
	opacity: 0.6;
}

 .hidden-scrollbar {
    -ms-overflow-style: none; /* IE, Edge 対応 */
    scrollbar-width: none; /* Firefox 対応 */
 }

 .hidden-scrollbar::-webkit-scrollbar {
    /* Chrome, Safari 対応 */
    display: none;
}

.menu {
	z-index: 9999;
	position: fixed;
	top: 4px;
	right: 8px;
	width: 48px;
	height: 48px;
	cursor: pointer;
}

.menu .menu__inner span {
	display: inline-block;
	position: absolute;
	left: 16px;
	width: 50%;
	height: 2px;
	background-color: rgb(255, 255, 255);
	transition: all 0.4s;
}

.menu .menu__inner span:nth-of-type(1) {
	top: 15px;
}

.menu .menu__inner span:nth-of-type(2) {
	top: 23px;
}

.menu .menu__inner span:nth-of-type(3) {
	top: 31px;
}

.menu-open .menu .menu__inner span:nth-of-type(1) {
	top: 18px;
	left: 12px;
	width: 50%;
	transform: translateY(6px) rotate(-45deg);
    background-color: #fff;
}

.menu-open .menu .menu__inner span:nth-of-type(2) {
	opacity: 0;
}

.menu-open .menu .menu__inner span:nth-of-type(3) {
	top: 30px;
	left: 12px;
	width: 50%;
	transform: translateY(-6px) rotate(45deg);
    background-color: #fff;
}

.drawer-menu {
	display:none;
	z-index: 100;
	position: fixed;
	top:0;
	opacity:0;
	width: 100%;
	height: 100vh;
	transition: all 0.2s;
}

.drawer-menu:before {
	-webkit-backdrop-filter: blur(8px);
	display: block;
	z-index: -1;
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100vh;
	background-color: rgba(56, 56, 56, 0.8);
	content: "";
	transition: all 0.2;
}

.menu-open .drawer-menu {
	opacity:100;
	display:flex;
}