h2#danraku2{
padding: 0.4em 0.5em;/*文字の上下 左右の余白*/
color: #494949;/*文字色*/
background: #f4f4f4;/*背景色*/
border-left: solid 5px #7db4e6;/*左線*/
border-bottom: solid 3px #d7d7d7;/*下線*/           
}

h3#danraku3{
            background: linear-gradient(transparent 70%, #a7d6ff 70%);
}

h4#danraku4{
            background: linear-gradient(transparent 70%, #a7d6ff 70%);
}