<div class="mobile">
	<div class="header">
		<h1 class="header__logo">Logo</h1>
	</div>
	<div class="contents">
		<ul class="list">
			<li class="card">
				<div class="card__img"></div>
				<div class="card__field">
					<div class="card__text"></div>
					<div class="card__text"></div>
					<div class="card__text"></div>
				</div>
			</li>
			<li class="card">
				<div class="card__img"></div>
				<div class="card__field">
					<div class="card__text"></div>
					<div class="card__text"></div>
					<div class="card__text"></div>
				</div>
			</li>
			<li class="card">
				<div class="card__img"></div>
				<div class="card__field">
					<div class="card__text"></div>
					<div class="card__text"></div>
					<div class="card__text"></div>
				</div>
			</li>
		</ul>
	</div>
	<div class="menu js-menu">
		<span class="menu__line"></span>
		<span class="menu__line"></span>
		<span class="menu__line"></span>
	</div>
	<nav class="nav js-nav">
		<ul class="nav__list js-nav__list">
			<li class="nav__item"><a href="#" class="nav__link">link</a></li>
			<li class="nav__item"><a href="#" class="nav__link">link</a></li>
			<li class="nav__item"><a href="#" class="nav__link">link</a></li>
			<li class="nav__item"><a href="#" class="nav__link">link</a></li>
		</ul>
	</nav>
</div>

@import url('https://fonts.googleapis.com/css2?family=Roboto&display=swap');

$bg-color: #eee;
$color-white: #fff;
$color-black: #222;
$color-purple-dark: #7f39fb;
$color-purple-light: #dbb2ff;

* {
	box-sizing: border-box;
}

html {
	height: 100%;
}

body {
	height: 100%;
	margin: 0;
	font-family: 'Roboto', sans-serif;
	background-color: $bg-color;
	display: flex;
	align-items: center;
	justify-content: center;
}

.mobile {
	width: 320px;
	height: 480px;
	background-color: $color-white;
	border-radius: 21px;
	box-shadow: 0px 4px 50px #bbb;
	position: relative;
	overflow: hidden;
}

.header {
	height: 50px;
	width: 100%;
	display: flex;
	align-items: center;
	padding: 0px 16px;
	background-color: $color-purple-dark;
	&__logo {
		font-size: 22px;
		color: $color-white;
		letter-spacing: 0.05em;
	}
}

.contents {
	display: block;
	padding: 16px;
	height: 430px;
}

.list {
	padding: 0;
	margin: 0;
	display: flex;
	flex-direction: column;
	justify-content: space-around;
	width: 100%;
	height: 100%;
}

.card {
	width: 100%;
	display: flex;
	padding: 16px;
	background-color: $color-purple-light;
	border-radius: 8px;
	&__img {
		width: 100px;
		height: 80px;
		background-color: $color-purple-dark;
		border-radius: 8px;
		margin-right: 16px;
	}
	&__field {
		display: flex;
		flex: 1;
		flex-direction: column;
		justify-content: space-around;
	}
	&__text {
		display: block;
		height: 10px;
		width: 100%;
		background-color: $color-purple-dark;
		border-radius: 13px;
	}
}

.menu {
	display: block;
	position: absolute;
	bottom: 16px;
	right: 16px;
	background-color: $color-black;
	height: 50px;
	width: 50px;
	border-radius: 50%;
	z-index: 20;
	box-shadow: 0px 3px 8px #333;
	cursor: pointer;
	&__line {
		display: block;
		position: absolute;
		left: 50%;
		transform: translateX(-50%);
		width: 30px;
		height: 4px;
		background-color: $color-white;
		border-radius: 13px;
		transition-duration: .4s;
		&:nth-child(1) {
			top: 14px;
		}
		&:nth-child(2) {
			top: 23px;
		}
		&:nth-child(3) {
			bottom: 14px;
		}
	}
	// hamburger menu transformation
	&.active {
		background-color: rgba(0, 0, 0, 0);
		box-shadow: none;
	}
	&.active .menu__line:nth-child(1) {
		transform: translate(-12px, 9px) rotate(-45deg);
	}
	&.active .menu__line:nth-child(2) {
		transition-duration: 0s;
		opacity: 0;
	}
	&.active .menu__line:nth-child(3) {
		transform: translate(-12px, -9px) rotate(45deg);
	}
}

.nav {
	display: block;
	position: absolute;
	bottom: 16px;
	right: 16px;
	background-color: $color-black;
	height: 50px;
	width: 50px;
	border-radius: 50%;
	z-index: 10;
	transition-duration: .4s; 
	&.open {
		background-color: rgba(0, 0, 0, 0.9);
		width: 320px;
		height: 480px;
		position: absolute;
		right: 0px;
		bottom: 0px;
		border-radius: 0;
		display: flex;
		justify-content: center;
		align-items: center;
	}
	&__list {
		display: none;
		&.show {
			display: flex;
			flex-direction: column;
			list-style: none;
			margin: 0;
			padding: 0;
		}
	}
	&__item {
		display: flex;
		align-items: center;
		justify-content: center;
		background-color: transparent;
		width: 100%;
		opacity: 0;
		animation-name: fadein;
		animation-duration: 1s;
		animation-fill-mode: forwards;
		&:nth-child(1) {
			animation-delay: .2s;
		}
		&:nth-child(2) {
			animation-delay: .3s;
		}
		&:nth-child(3) {
			animation-delay: .4s;
		}
		&:nth-child(4) {
			animation-delay: .5s;
		}
		&:not(:last-child) {
			margin-bottom: 32px;
		}
	}
	&__link {
		font-size: 24px;
		letter-spacing: 0.1em;
		text-decoration: none;
		color: $color-white;
	}
}

@keyframes fadein {
	0% {
		opacity: 0;
		transform: translateY(24px);
	}
	100% {
		opacity: 1;
	}
}

$('.js-menu').on('click', () => {
	$('.js-menu').toggleClass('active');
	$('.js-nav').toggleClass('open');
	$('.js-nav__list').toggleClass('show');
});