header {
    height: 80px;
    background: #ffffff;
}

img{
    max-width: 100%;
}

.logo-css {
    width: 250px;
}

.header-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 5px 15px 0px;
}

/* メインコンテンツ */
.main-flex {
    display: flex;
    justify-content: space-between;
}

.main-back {
    background: #e6e9eb;
}

.main-flex {
    max-width: 1000px;
    margin: 0 auto;
    padding-top: 50px;
}

.main-left ul {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.main-left {
    width: 68%;
}

.main-left li {
    max-width: 48%;
    background: #ffffff;
    margin-bottom: 30px;

}

.article-img-box {
    text-align: center;
    padding: 10px 10px 0px;
}
.main-archive-h2{
    padding: 10px;
}
/* メインサイド */
.main-right {
    width: 29%;

}

.site-explanation {
    background: #ffffff;
    width: 100%;
}

.main-right-img {
    width: 100%;
}

/* フッター */
footer {
    height: 30px;
    text-align: center;
    padding: 10px 0px;
}

@media screen and (max-width: 1000px) {
    .main-flex {
        display: block;
        max-width: 700px;
        padding-bottom: 50px;
        padding-top: 30px;
    }
    .main-left{
        width: 100%;
        padding: 0px 10px;
    }
    .main-right{
        width: 100%;
        padding: 0px 10px;
    }

}
@media screen and (max-width: 768px) {
    header {
        height: 50px;

    }
    .logo-css {
        width: 150px;
    }

}


/* シングル */
.back-color{
	background: #fff;
	padding: 20px;
}
.single-h1{
	font-size: 24px;
	font-weight: bold;
	margin-bottom: 10px;
}