h3 {
	display: inline;
	background: linear-gradient(transparent 50%, gainsboro 50%);
	margin-bottom: 0;
}

h4 {
    font-size: 19px;
    font-weight: bold;
    color: var(--blue-color);
    padding-left: 0.5em;
    border-left: 0.3em solid var(--blue-color);
    margin-top: 5vw;
}

h5 {
	display: block;
	color: var(--blue-color);
	padding-bottom: 0.25em;
	border-bottom: 2px solid var(--blue-color);
}

.block {
	margin-top: 6vw;
}

.lead {
	margin-top: 1.5vw;
}

.manga_block .manga1 img{
    display: block;
	width: 400px;
	margin: 3vw auto 0;
}

.manga_block .manga2 img{
    display: block;
	width: 400px;
	margin: 30px auto;
}

iframe {
	display: block;
	width: 560px;
	height: 315px;
	margin: 3vw auto 0;
}

.flexBox{
  display: box;
  display: -webkit-box;
  display: -moz-box;
  display: -webkit-flex;
  display: -moz-flex;
  display: -ms-flex;
  display: -o-flex;
  display: flex;
  -webkit-flex-direction: row;
  -moz-flex-direction: row;
  -ms-flex-direction: row;
  -o-flex-direction: row;
  flex-direction: row;
  -webkit-flex-wrap: wrap;
  -moz-flex-wrap: wrap;
  -ms-flex-wrap: wrap;
  -o-flex-wrap: wrap;
  flex-wrap: wrap;
  -webkit-justify-content: flex-start;
  -moz-justify-content: flex-start;
  -ms-justify-content: flex-start;
  -o-justify-content: flex-start;
  justify-content: flex-start;
}

.leftItem{
	padding-right: 20px;
}

#container > .block:last-of-type {
    padding-bottom: 6vw;
}

@media handheld, only screen and (max-width: 767px) {

    #container > .block:last-of-type {
        padding-bottom: 23vw;
    }

	h5 {
		margin-top: 6vw;
	}

    iframe {
        width: 100%;
        height: 250px;
    }
}