.article-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2% 6%;
}

.article-header__intro,
.article-header__meta {
    padding: 2% 4%;
    width: 50%;
}


/* 左側 h2 / p */

.article-header__intro h2 {
    font-size: 1.1rem;
    color: rgb(110, 109, 109);
    letter-spacing: 2px;
    font-weight: 500;
    margin-bottom: 4%;
}


.article-header__intro p {
    font-size: .7rem;
    font-weight: 300;
    line-height: 1.6;
}


/* 右側作者 / 更新時間 / tags */

.article-header__meta {
    border-left: 1.5px solid gray;
    display: flex;
    flex-direction: column;
    padding: 2% auto;
}

.article-author,
.article-header__meta-up {
    display: flex;
    align-items: center;
    width: 50%;
}

.article-header__meta-up {
    justify-content: space-between;
    font-size: 12px;
    font-weight: 300;
    letter-spacing: .8px;
    padding: 1% 0 3%;
    width: 95%;
    margin: 0 auto;
}

.article-header__meta-up img {
    width: 24px;
    height: 24px;
}

.article-header__meta-up span {
    padding: 0 0 0 4%;
}


.article-tags {
    padding-top: 2%;
    display: flex;
    justify-content: space-between;
    width: 100%;
}

.article-tags li {
    font-size: .8rem;
    font-weight: 200;
    letter-spacing: 1px;
    padding: 2% 4%;
    border-radius: 12px;
    border: 1px solid rgb(208, 207, 207);
}