* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	font-size: 16px;
}

.content {
	width: 100%;
	height: auto;
	margin-top: 195px;
}

.pc {
	display: block;
}

.mobile {
	display: none;
}

.sectionA .articleA {
	text-align: center;
	padding: 80px 0;
	line-height: 1.8;
}

.sectionA .articleA div {
	color: #333333;
	font-weight: 700;
	font-size: 32px;
	letter-spacing: 1px;
}

.sectionB {
	margin-bottom: 50px;
}

.sectionB .articleA div.txt {
	width: 1171px;
	margin: 0 auto;
	font-size: 20px;
    line-height: 1.8;
    color: #404041;
    background-color: #f7f7f7;
    padding: 44px;
}

@media ( max-width : 1171px) {
	.content {
		margin-top: 185px;
	}
	
	.sectionB .articleA div.txt {
		width: 92%;
		padding: 15px;
    	text-align: justify;
    	font-size: 16px;
	}
}

@media ( max-width : 830px) {
	.content {
		margin-top: 20px;
	}
}

@media ( max-width : 480px) {
	.sectionA .articleA {
		text-align: center;
        padding: 40px 0;
        line-height: 1.8;
	}
	
	.sectionA .articleA div {
		font-size: 24px;
	}
}