@charset "utf-8";
/*----------------------------------------------------

共通のオブジェクト

----------------------------------------------------*/
.classroom{
	background: #efefef;
	margin: 0 auto 100px;
}
.classroom > .inner{
	background: #f9f9f9;
	width: calc(100% * 8 / 9);
	margin: 0 auto;
}
.ceiling{
	line-height: 0;
}
/*----------------------------------------------------

plate

----------------------------------------------------*/
.plate--class{
	padding: 105px 0 35px;
	position: relative;
}
.speaker{
	width: 180px;
	position: absolute;
	right: 30px;
	bottom: 32px;
}
.ttl--class{
	text-align: center;

}
.ttl--class > .inner{
	font-size: 3rem;
	font-weight: 600;
	letter-spacing: 0.5em;
	text-indent:0.6em;
	padding: 8px 25px 11px;
	color: rgb(87, 87, 87);
	background: #fff;
	display: inline-block;
	position: relative;
	line-height: 1;
	box-shadow:2px 3px 2px 0px #e3e3e3;
	-moz-box-shadow:2px 3px 2px 0px #e3e3e3;
	-webkit-box-shadow:2px 3px 2px 0px #e3e3e3;
}
.ttl--class > .inner:before,
.ttl--class > .inner:after{
	content: "";
	border:1px solid rgb(221, 221, 221);
	background-image: -ms-linear-gradient( 43deg, rgb(235,235,235) 0%, rgb(246,246,246) 100%);
	background-image: linear-gradient( 43deg, rgb(235,235,235) 0%, rgb(246,246,246) 100%);
	width: 19px;
	height: calc(100% + 2px);
	position: absolute;
	top: -1px;
	box-shadow:1px 1px 2px 0px #e3e3e3;
	-moz-box-shadow:1px 1px 2px 0px #e3e3e3;
	-webkit-box-shadow:1px 1px 2px 0px #e3e3e3;
}
.ttl--class > .inner:before{
	left: -19px;
}
.ttl--class > .inner:after{
	right: -19px;
}
/*----------------------------------------------------

movie

----------------------------------------------------*/
.header_movie{
	padding-top: 57.339163023111%;
	background: url(../img/class/bg_movie_blackboad.jpg) no-repeat center center;
	background-size: 100% auto;
	overflow: hidden;
	position: relative;
}
.header_movie > .movie{
	width: 58%;
	position: absolute;
	top: 50%;
	left: 50%;
	-webkit-transform:translate(-50%, -50%);
	    -ms-transform:translate(-50%, -50%);
	        transform:translate(-50%, -50%);
}
.movie > .inner {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  -webkit-box-shadow: inset 3px 4px 5px 0px rgba(0, 0, 0, 0.5), 0px 0px 7px 1px rgba(255, 255, 255, 0.4);
          box-shadow: inset 3px 4px 5px 0px rgba(0, 0, 0, 0.5), 0px 0px 7px 1px rgba(255, 255, 255, 0.4);
}
.movie > .inner > iframe {
  position: absolute;
  top: 0;
  right: 0;
  width: 100% !important;
  height: 100% !important;
  z-index: -1;
  border: 1px solid #358483;
}
.movie > .inner:hover > iframe{
  z-index: 1;
}
.ttl--bg_movie,
.bg_drawing,
.bg_time,
.bg_eraser{
	position: absolute;
}
.ttl--bg_movie{
	right: 8.5%;
	top: 50%;
	-webkit-transform:translateY(-60%);
	    -ms-transform:translateY(-60%);
	        transform:translateY(-60%);
	width: 7%;
}
.bg_drawing{
	bottom: 2.3%;
    width: 30%;
    left: -5%;
}
.bg_time{
	width: 4.5%;
	top: 0;
	left: -8%;
}
.bg_eraser{
	width: 10%;
	bottom: 0;
	right: 27%;
	cursor: pointer;
	-webkit-transition: all 5.5s cubic-bezier(.39,.84,.29,1.99);
	-o-transition: all 5.5s cubic-bezier(.39,.84,.29,1.99);
	transition: all 5.5s cubic-bezier(.39,.84,.29,1.99);
}
.bg_eraser:hover{
	-webkit-transform:translateX(-400%);
	    -ms-transform:translateX(-400%);
	        transform:translateX(-400%);
}
/*----------------------------------------------------

section

----------------------------------------------------*/
.section--classroom {
	margin: 100px auto 60px;
}
.section--classroom .subsection{
	width: 760px;
	margin: 0 auto 30px;
}
.body_classroom{
	width: 38em;
	margin: 0 auto;
	font-size: 1.7rem;
}
.ttl_classroom{
	margin-bottom: 65px;
}
.ttl_classroom > .ttl_pc{
    display: block;
}
.ttl_classroom > .ttl_sp{
    display: none;
}
.body_classroom p{
	line-height: 1.88;
	letter-spacing: 0.1rem;
}
.body_classroom p + *{
	margin-top: 2em;
}
.body_classroom img{
	margin-bottom:2em;
}
.body_classroom  figure img{
	margin-bottom: 0;
	
}
/*----------------------------------------------------

teacher

----------------------------------------------------*/
.teacher_profile{
	padding:50px 70px;
	width: calc(100% - 250px);
	max-width: 960px;
	margin: 0 auto;
	border: 1px solid #cdcdcd;
}
.teacher_profile h4{
	font-size: 1.7rem;
	margin-bottom: 1em;
}
/*----------------------------------------------------

footer

----------------------------------------------------*/
.footer--classroom{
	margin-top: 130px;
	position: relative;
	margin-bottom: -8%;
}
.box--easel{
}
.img_easel {
	display: block;
    width: 26%;
    margin: 0 auto;
}
.txt_easel{
	position: absolute;
	top: -50px;
	left: 50%;
	margin-left: 17%;
}
.platform{
	line-height: 0;
}