@charset "UTF-8";
/* CSS Document */
		
html,
body {
    width: 100%;
}
#wrapper {
    box-sizing: border-box;
    width: 100%;
    padding: 50px 30px;
}

.note {
    color: #666;
    font-size: 1.2rem;
}

/*  ------------------------------
#lesson_top
 ------------------------------ */

#lesson_top .page_title {
	margin: 0 auto 30px;
    font-family: "Helvetica Neue", "Helvetica", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Arial", "Yu Gothic", "Meiryo", sans-serif;
    font-size: 2.4rem;
    font-weight: bold;
    text-align: center;
}
#lesson_top .page_sub_title {
    margin: 0 0 20px;
    font-size: 1.6rem;
    text-align: center;
}
#lesson_top .lesson_list {
	margin: auto;
	display: flex;
	justify-content: center;
	flex-wrap: wrap;
}
#lesson_top .lesson_list li {
	width: 280px;
	margin: 10px 10px;
    color: #333;
	font-size: 1.8rem;
	line-height: 1.5;
	box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
#lesson_top .lesson_list li a {
    display: block;
    color: #333;
}
#lesson_top .lesson_list li .lesson_title a {
	position: relative;
    padding: 20px 20px;
    font-weight: bold;
}
#lesson_top .lesson_list li .lesson_title a::before {
	position: absolute;
	content: "\f054";
	display: block;
	font-family: "Font Awesome 5 Free";
    top: 50%;
    transform: translate(0, -50%);
	right: 15px;
}
#lesson_top .lesson_num {
    margin-right: 0.5em;
    font-family: "Helvetica Neue", "Helvetica", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Arial", "Yu Gothic", "Meiryo", sans-serif;
}
#lesson_top .lesson_list li .lesson_movie a,
#lesson_top .lesson_list li .lesson_pdf a {
	position: relative;
    font-weight: bold;
}
#lesson_top .lesson_list li .lesson_movie a::before {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    content: url("../img/icon_play.png");
    display: block;
    width: 50px;
    height: 50px;
    opacity: 0.7;
}
#lesson_top .lesson_list li .lesson_pdf a::before {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    content: "";
    display: block;
    width: 50px;
    height: 50px;
    opacity: 0.7;
    -webkit-mask-image: url("../img/file-solid.svg");
    mask-image: url("../img/file-solid.svg");
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    background-color: gray;
}

#lesson_top .lesson_list li .lesson_movie img {
    width: 100%;
	height: auto;
	max-height: 158px;
}


/*  ------------------------------
#movie_page
 ------------------------------ */

.movie_block video {
    display: block;
    width: 100%;
    max-width: 1200px;
    margin: auto;
}