<h1 class="cp_headline11"><span class="main">見出しテキスト</span><span class="sub">サブテキスト</span></h1>

.cp_headline11 {
	position: relative;
	padding: 0.3em 0em;
	border-width: 0 0 1px 0;
	border-style: solid;
	border-color: #303f9f;
}
.cp_headline11 span.main {
	position: relative;
	padding: 0.3em 0.3em 0.3em 0.5em;
	color: #f8f8f8;
	background-color: #303f9f;
	text-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
}
.cp_headline11 span.main::after {
	position: absolute;
	top: 0;
	right: -0.45em;
	display: inline-block;
	width: 0;
	height: 0;
	content: '';
	border-width: 0.5em 0.5em 0 0;
	border-style: solid;
	border-color: #303f9f transparent transparent transparent;
}
.cp_headline11 span.sub {
	font-size: 0.7em;
	position: absolute;
	right: 0;
	display: inline-block;
	color: #424242;
}
@media screen and (max-width: 480px) {
	.cp_headline11 span.main {
		font-size: 0.8em;
		padding: 0.3em 0.3em 0.5em 0.5em;
	}
	.cp_headline11 span.sub{
		font-size: 0.5em;
	}
}