h2{
	text-align: right;
	line-height: 2em;
	padding: 0 10% 2em 0;
	font-size: 2em;
	text-decoration: underline;
}

h3 {
	font-size: 200%;
}
p {
	line-height: 1.5em;
}

small {
	font-size: 120%;
	margin-left: 1em;
}

.about_right small {
	display: block;
	margin-bottom: 5%;
}

.about_wrapper{
  display: flex;
  justify-content: space-around;
  margin: 0 5%;
}

#achievement {
	margin-top: 3em;
}
dt+dd {
	margin-left: 1em;
}
dt {
	margin-bottom: 1em;
}

.about_left{
  flex-basis: 45%;
}

dl dd p {
	margin-bottom: 1.5em;
}

.about_left img{
  width: 90%;
}

.about_right{
  flex-basis: 55%;
  word-break: break-all;
}

@media screen and (max-width:640px){
	h2{
		text-align: center;
		line-height: 2em;
		font-size: 2em;
		padding: 0;
		text-decoration: underline;
		margin-top: 1em;
		margin-bottom: 1em;
	}

	h3 {
		font-size: 200%;
		margin-top: 8%;
	}

	small {
		font-size: 120%;
		margin-left: 1em;
	}

	.about_wrapper{
		flex-wrap: wrap;
	  margin: 0 5%;
	}

	#author_name{
		text-align: center;
	}

	#author_name small{
		margin-left: 0;
	}

	.about_left{
		flex-basis: auto;
	}

	.about_left img{
		display: inline-block;
		text-align: center;
	}
	.about_right{
	  flex-basis: 100%;
	}
	.about_left img{
	  width: 100%;
	}
}