h2{ 
margin-top:0px;
margin-right:auto;
margin-left:auto;
padding:0px;
width:630px;
color:#ffffff;
background-color:#ff6633; 
font-family:"ＭＳ 明朝",serif;
font-size:large;
text-align:center;
}

.bokkusu{
 width:630px;
 border:1px solid #6699cc;}

.okyakusamanokoe{
 padding:10px;
 height:150px;
 overflow:scroll;}