@charset "UTF-8";

html, body {
	height: 100%;
	box-sizing: border-box;
}

h1, h2, div, p, body, html, ul, ol {
	margin: 0;
	padding: 0;
}

ul, ol {
	list-style: none;
}

body {
	font-family: Arial, Helvetica, sans-serif, '微軟正黑體';
	background-image: linear-gradient(135deg, #6BDAF9, #FE74EE, #F27A68);
	position: relative;
}

body::before {
	content: "";
	background-color: rgba(255, 255, 255, .6);
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: -1;
}

.container {
	max-width: 500px;
}

.mx-auto {
	margin-left: auto;
	margin-right: auto;
}

.title {
	text-align: center;
	padding: 1rem 0;
}

.course + .course {
	margin-top: 1rem;
}

.course__title {
	font-size: 1.5rem;
	cursor: pointer;
	color: #FFF;
	margin-bottom: 1rem;
	border-radius: 5px;
	line-height: 3rem;
	padding-left: 1rem;
	padding-right: 1rem;
	font-weight: normal;
}

.course__ul {
	list-style: none;
	overflow: hidden;
	margin-bottom: .667rem;
	display: flex;
}

.course__li {
	width: 50%;
}

.course__detail {
	display: none;
	border-radius: 5px;
	padding: 10px;
	position: relative;
	background-color: rgba(255, 255, 255, .7);
}

.course__detail::before {
	position: absolute;
	left: 1.5rem;
	top: -20px;
	content: '';
	border: solid 7px transparent;
	border-bottom: solid 13px rgba(255, 255, 255, .7);
}

.course__btn {
	display: block;
	text-align: center;
	padding: .5rem;
	color: #999;
	background-color: #ddd;
	text-decoration: none;
	border-radius: 5px;
	transition-duration: .3s;
}

.course__btn:hover {
	color: #666;
	background-color: #d6d6d6;
}

.course__title--ai {
	background-color: #FF9A00;
}

.course__title--dw {
	background-color: #FF61F6;
}

.course__title--ps {
	background-color: #31A8FF;
}

.course__title--id {
	background-color: #FF3366;
}

.course__title--pr {
	background-color: #9999FF;
}