h2#danraku2 {padding: 0.5em;/*文字周りの余白*/
color: #010101;/*文字色*/
background: #eaf3ff;/*背景色*/
border-bottom: solid 3px #516ab6;/*下線*/
}

h3#danraku3 {position: relative;
background: #dfefff;
box-shadow: 0px 0px 0px 5px #dfefff;
border: dashed 2px white;
padding: 0.2em 0.5em;
color: #454545;
}