.construction-list-container{
    width:100%;
    padding-bottom: 80px;
}

.construction-list-year{
    text-align: center;
    font-size: 2.2rem;
    font-weight: bold;
}

.construction-list-year .line{
    width:2px;
    height:80px;
    margin:1rem auto;
    background-color: #000;
}

.construction-list-year-month{
    margin-top:2em;
    margin-bottom:2em;
    padding-top:0.8em;
    padding-bottom:0.8em;
    text-align: left;
    font-size: 2.2rem;
    font-weight: bold;
    border-bottom: #000 solid 1px;
}

.construction-list-item a{
    display:block;
    position:relative;
    color:#222;
}

.construction-list-item figcaption{
    font-size: 1.2rem;
    line-height: 2;
}

.construction-list-inner-thumb-icon{
    width:25px;
    height:25px;
    margin-left:-30px;
    margin-top:-55px;
    position:absolute;
    left:100%;
    top:100%;
    z-index:10;
}

.process-btn{
    width:100%;
    height:1em;
    max-width:29.5vw;
    padding:0.5em 0;
    box-sizing: content-box;
    background-color:#b1dcc7;
    position:absolute;
    top:65%;
    left:20%;
    color:#000;
    text-align: center;
    font-size: 2em;
    letter-spacing: 0.1em;
    line-height:1;
}

@media screen and (max-width: 768px){

    .contents-inner{
        padding: 0 5%;
    }

    .construction-list-container{
        padding-top: 0;
        padding-bottom: 40px;
    }
    
    .construction-list-year{
        font-size: 1.8rem;
    }
    
    .construction-list-year .line{
        height:40px;
    }
    
    .construction-list-year-month{
        margin-top: 1.6em;
        margin-bottom: 1.6em;
        padding-top: 0.8em;
        padding-bottom: 0.8em;
        font-size: 1.8rem;
    }

    #page-under .under {
        padding-top: 40px;
    }

    #page-under .under-flex {
        padding: 0;
    }

    #page-under .under-flex li {
        width: 47%;
    }

    .process-btn{
        width:300px;
        max-width:300px;
        margin:0 auto 60px auto;
        padding:1em 0;
        position:relative;
        top:0;
        left:0%;
        font-size: 2em;
    }
}