*{ box-sizing:border-box; }

html{
	width:90%;
	max-width:960px;
	margin:auto;
	font-size:16px;
}

.content{ margin-bottom:1.8em; }
.title{ margin-bottom:.5em; }
.author{ display:block; margin-left:2em; }
.name{ white-space: nowrap; }

a{ text-decoration: none; }

h1.ja{ font-size:180%; line-height:130%; }
h1.en{ font-size:150%; line-height:150%; }

h1,h2,h3{
 	font-family: sans-serif;
	margin-top:2em;
}
h1+h2, h2+h3{ margin-top:0; }
h3:before{ content:"("; } h3:after{ content:")"; }

.math{ font-family:serif; font-style: italic; }