.sub_top{background:url('../page1/images/sub_top1.jpg')no-repeat;background-size:cover;}
.page_ctt{margin-top:50px;}
.page1_ctt h3{width:fit-content;display:block;padding:12px 0;margin:0 auto;font-size:20px;border-top:2px solid #000;border-bottom:2px solid #000;font-weight:500;margin-top:20px;text-align:center;}
.page1_ctt img{display:block;width:100%;margin:50px 0;border-radius:20px;}
.page1_ctt p{font-size:16px;line-height:32px;color:#333;text-align:center;}
.page1_ctt p b{text-decoration:underline;}

@media screen and (max-width:799px){
  .page1_ctt h3{font-size:16px;font-weight:600;line-height:26px;}
  .page1_ctt p{font-size:14px;line-height:28px;}
}