.headerBox, main {
    width: 1000px;
    margin: auto;
}
.headerBox {
    display: flex;
    align-items: center; /* 垂直居中 */
    justify-content: space-between; /* 两端对齐 */
    
}
/** page style */
main .mainBox h2 {
	margin: 16px 0;
}
main .mainBox .agreeBox {
	padding: 8px 16px 16px;
}
main .mainBox .listDecimal,
main .mainBox .listDisc {
	list-style-type: decimal;
	padding: 4px 16px;
	padding-right: 0;
}
main .mainBox .listDisc {
	list-style-type: disc;
}
main .mainBox .listDecimal li + li,
main .mainBox .listDisc li + li {
	margin-top: 4px;
}
main .mainBox .listDecimal.roundBrackets li {
	position: relative;
	left: 0;
	top: 0;
	margin-left: .5em;
	list-style-type: none;
	counter-increment: cnt;
}
main .mainBox .listDecimal.roundBrackets li .connection{
    display: inline-block;
    vertical-align: top;
}
main .mainBox .listDecimal.roundBrackets li:before {
	display: marker;
	content: counter(cnt) ".";
	position: absolute;
	left: -1.4em;
}

/** 閉じるリンク */
main .mainBox .contentsFooter_closeBtn {
	margin-top: 40px;
	text-align: center;
}

footer {
    height: 20px;
}