.problem-box{
    width: 1000px;
    max-width: 100%;
    display: block;
    margin: 0 auto;
    position: relative;
    margin-top: 40px;
    margin-bottom: 90px;
    padding:0 10px;
    box-sizing: border-box;
}
.problem-box-title{
	font-size: 28px;
	color: #00479d;
	margin-bottom: 50px;
}
.problem-list{
	border-bottom:1px solid #bbbbbb;
}
.problem-list-question{
	font-size: 18px;
	color: #000;
	padding: 10px 0;
	letter-spacing: 1px;
	cursor: pointer;
}
.problem-list-question:before{
	content: url('../img/faq-up.png');
	display: inline-block;
	vertical-align: middle;
	margin-right: 10px;
}
.problem-icon .problem-list-question:before{
	content: url('../img/faq-down.png');
}
.problem-list-question span{
	display: inline-block;
	vertical-align: middle;
}
.problem-list-narrative{
	letter-spacing: 2px;
	display: none;
	margin-bottom: 10px;
}