@charset "UTF-8";

#tube h3 {
	margin: 60px 0 30px;
	color: #254b75;
	font-size: 42px; font-size: 4.2rem;
	font-weight: 900;
	text-align: center;
}

#tube .btn_area {
	display: flex;
	justify-content: space-between;
	position: relative;
	flex-wrap: wrap;
	margin-bottom: 20px;
}
#tube .btn_area p.btnType {
	width: 47%;
	margin-top: 20px;
	margin-bottom: 20px;
	position: relative;
  display: flex;
}
#tube .btn_area p.btnType a {
	width: 100%;
	min-width: inherit;
	padding: 10px;
}
#tube .cat ul{
	margin: 0;
	display: flex;
	flex-wrap: wrap;
	box-sizing: border-box;
	background: #fff;
	padding: 40px;
	border-radius: 12px;
	position: relative;
}

#tube .name_list:after {
	left: 23.5%;
}
#tube .target_list:after {
	left: 77.5%;
}
#tube .name_list li {
	width: 20%;
	box-sizing: border-box;
	padding: 15px 10px;
	margin: 0;
}
#tube .name_list li a {
	width: 100%;
	min-width: inherit;
	padding: 10px 20px;
	font-size: 45px; font-size: 4.5rem;
	line-height: 1;
}
#tube .name_list li a span{
	font-size: 30px; font-size: 3.0rem;
}

#tube .target_list {
	margin: 10px 0;
	display: flex;
	flex-wrap: wrap;
}
#tube .target_list li {
	width: 16.66%;
	box-sizing: border-box;
	padding: 5px;
	cursor: pointer;
}
#tube .target_list li img {
	width: 100%;
}
#tube .target_list li:hover img {
	opacity: 0.5;
	transition: 0.3s;
}

#tube .youtube {
  position: relative;
  width: 100%;
	margin: 30px auto;
  padding-top: 56.25%;
}
#tube .youtube iframe {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
}

#tube .guide {
	max-width: 680px;
	margin: 0 auto 80px;
	text-align: center;
	color: #333;
}
#tube .guide .youtube {
	margin-bottom: 15px;
}

#tube .guide p {
	color: #fa6100;
	font-weight: 900;
	font-size: 26px; font-size: 2.6rem;
	text-align: left;
}

#tube .catch {
	text-align: center;
	margin-bottom: 120px;
}
#tube .tube_list {
	max-width: 680px;
	margin: 0 auto;
}
#tube .tube_list .date {
  text-align: right;
}

#tube #kopa,
#tube #torikumi {
	margin-top: -160px;
  padding-top: 160px;
}
#tube #kopa {
	margin-bottom: 60px;
}
#tube .poster h3 {
	color: #fa6100;
	margin-top: 20px;
	font-size: 38px; font-size: 3.8rem;
}

#tube .tube_box {
	border-bottom: #395b81 2px dashed;
	padding-bottom: 40px;
	margin-bottom: 40px;
    opacity: 1;
    height: auto;
    transition: all 0.3s ease 0s;
	display: flex;
	flex-direction: column;
}
#tube .tube_box.is-hidden {
    opacity: 0;
    height: 0;
    margin: 0;
	padding: 0;
	border: none;
}

#tube .tube_box h4 {
	order: 2;
	color: #fa6100;
	font-weight: 900;
	font-size: 26px; font-size: 2.6rem;
}

#tube .tube_box .youtube {
	order: 1;
}
#tube .tube_box .target_list {
	order: 3;
}
#tube .tube_box .target_list li {
	width: 130px;
}
#tube .tube_box .text {
	order: 4;
	color: #4d4d4d;
	font-weight: 500;
	line-height: 1.8;
}

@media screen and (max-width: 767px) {
	#tube h3 {
		margin: 8vw 0 4vw;
		font-size: 4vw;
	}
  #tube .btn_area {
    margin-bottom: 3vw;
  }
  #tube .btn_area p.btnType {
    width: 80%;
    margin-top: 2vw;
    margin-bottom: 2vw;
  }
  #tube p.btnType a {
    padding: 1vw;
    line-height: 1.2;
  }
  #tube .btn_area .cat {
		margin: 0 auto 4vw;
		width: 100%;
	}
	#tube #cat_name {
		order: 2;
	}
	#tube #cat_target {
		order: 4;
	}

	#tube .cat ul{
		padding: 4vw;
		border-radius: 2vw;
		margin-top: 7vw;
	}
	#tube .name_list:after {
		left: 50%;
	}
	#tube .target_list:after {
		left: 50%;
	}
	#tube .name_list li {
		width: 25%!important;
		box-sizing: border-box;
		padding: 1.5vw 1vw;
		margin: 0;
	}
	#tube .name_list li a {
		font-size: 5vw;
		padding: 1.5vw 1.5vw!important;
	}
	#tube .name_list li a span{
		font-size: 4vw;
	}
  #tube .catch {
    margin-bottom: 10vw;
  }

	#tube .target_list {
		margin: 2vw 0;
	}
	#tube .target_list li {
		width: 25%;
		padding: 1vw;
	}
  #tube .youtube {
		margin: 3vw auto;
	}
	#tube .guide {
		margin-bottom: 6vw;
	}
	#tube .guide .youtube {
		margin-bottom: 2vw;
	}
	#tube .guide p {
		font-size: 3.4vw;
	}
  #tube #kopa,
  #tool #sugoroku {
    margin-top: -18vw;
    padding-top: 18vw;
  }
  #tube .poster h3 {
    margin-top: 3vw;
		font-size: 3.6vw;
  }

	#tube .tube_box {
		border-bottom: #395b81 0.4vw dashed;
		padding-bottom: 3vw;
		margin-bottom: 3vw;
	}
	#tube .tube_box h4 {
		font-size: 3.4vw;
	}
	#tube .tube_box .target_list li {
		width: 25%;
	}
}