#page_title {
	background: url('../images/about/pagetitle.webp') no-repeat center center;
}
#section_bosyu{
	width:100%;
	box-sizing:border-box;
	max-width:1100px;
}

main section {
    border: none;
    border-radius: 40px;
    margin: 0 auto 80px;
    padding: 0px;
}

main section article{
    border: 1px solid #999;
    border-radius: 40px;
    margin: 0 auto 80px;
    padding: 60px 50px;
}

main section h4 {
    margin: 0 0 10px;
}

.post-date{
    color: #666;
    text-align: right;
}