:root{
    --color-black-blue: rgb(28, 28, 86);
}

#archive_item_list_title{
    position: relative;
    width:92%;
    margin:0 auto;
    margin-top: 50px;
    margin-bottom: 10px;
    text-align: center;

    border-bottom: 2px solid black;
    box-sizing: border-box;

    font-size: 35px;
    font-family: "kokoro";
    letter-spacing: 2px;
    font-weight: 300;

    color: var(--color-black-blue);
}

#archive_item_list{
    position: relative;
    width:100%;
    max-width: 800px;
    margin: 0 auto;
    background: linear-gradient(180deg,#ffffff 0%,#f7f7f7 100%);

    padding-top: 10px;
    padding-bottom: 30px;
}


#archive_item_list::before, #archive_item_list::after{
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    width: 12px;
}

#archive_item_list::before{
    background: rgb(187, 102, 146);
    left: 20%;
}

#archive_item_list::after{
    background: rgb(81, 131, 184);
    right: 20%;
}

.archive_itemline{
    z-index: 2;
    position: relative;
    width: 90%;
    margin: 0 auto;
    display: flex;
    min-width: 0;/* 中身のサイズに引っ張れないようにする */
    padding-top: 20px;
}

.archive_itemline .item_area{
    position: relative;
    flex: 5;
}

.archive_itemline .dummy_space{
    position: relative;
    flex: 6;
}


.archive_itemline .item_area .date_area{
    width:120px;
    margin: 0 auto;

    font-family: "kokoro";
    font-size: 22px;
    letter-spacing: 0.5px;
    font-weight: 220;
    color: white;
    text-shadow: 0 0 1px rgba(0,0,0,0.8),  0 0 4px rgba(0,0,0,0.6);

    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;

    border-bottom: 1px solid rgb(192, 191, 191);
    box-sizing: border-box;

    margin-bottom: 12px;
    
}

.archive_itemline .item_area .image_area{
    position: relative;
    width:100%;
}

.archive_itemline .item_area .image_area img{
    position: relative;
    width:100%;
}