.flow .flex{
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}
.flow .sidenavi{
    width: 30%;
    max-width: 30rem;
    position: sticky;
    top: 10rem;
    flex-shrink: 0;
    align-self: flex-start;
}
.flow .sidenavi .ttl{
    font-size: 3rem;
    text-transform: uppercase;
}
.flow .sidenavi .txt{
    font-size: 1.4rem;
}
.flow .content{
    width: 70%;
    max-width: calc( 100% - 36.4rem );
    margin-left: 6.4rem;
}
.flow .content .item{
    padding: 6rem 0;
    border-top: 1px solid #c8c8c8;
}
.flow .content .item .flex{
    justify-content: space-between;
}
.flow .content .item .step{
    font-size: 1.9rem;
}
.flow .content .item .ttl{
    font-size: 1.8rem;
    margin-top: 1rem;
}
.flow .content .item .txt{
    font-size: 1.4rem;
    margin-top: 2rem;
}
.flow .content .item .link{
    margin-top: 4rem;
}
.flow .content .item .link .flex{
    justify-content: flex-start;
}
.flow .content .item .link .btn a{
    width: 20rem;
    padding: 7px 0;
    font-size: 1.4rem;
    color: #FFF;
    background-color: #646464;
}
.flow .content .item .link .btn a:before{
    content: "";
    position: absolute;
    left: 0;
    top: -1px;
    width: 100%;
    height: 0;
    background-color: rgba(255,255,255,.1);
    -webkit-transition: all .5s cubic-bezier(.19,1,.22,1);
    transition: all .5s cubic-bezier(.19,1,.22,1);
    -webkit-transition-timing-function: cubic-bezier(.19,1,.22,1);
    transition-timing-function: cubic-bezier(.19,1,.22,1);
}
.flow .content .item .link .btn a:hover:before{
    height: 100%;
    top: auto;
    bottom: 0;
}
.flow .content .item .link .btn + .btn{
    margin-left: 1rem;
}
.flow .content .item .image{
    width: 28rem;
}
.flow .content .item .txtarea{
    width: calc( 100% - 34rem );
    margin-right: 6rem;
}
.flow .content .item .tag ul{
    display: flex;
}
.flow .content .item .tag ul li{
    font-size: 1.4rem;
}
.flow .content .item .tag ul li + li{
    margin-left: 0.5rem;
}
.flow .content .item .tag ul li::before{
    content: "#";
    display: inline-block;
}

@media screen and (max-width: 767px) {
    .flow{
        margin-top: 6rem;
        border-top: 1px solid #c8c8c8;
    }
    .flow .wrap{
        padding: 0 4%;
    }
    .flow .flex{
       display: block;
    }
    .flow .content{
        width: 100%;
        margin: 0;
        max-width: none;
    }
    .flow .sidenavi{
        width: 100%;
        max-width: none;
        padding: 4rem 0;
        position: static;
    }
    .flow .sidenavi .txt{
        font-size: 3.8vw;
    }
    .flow .content .item{
        padding: 4rem 0 6rem;
    }
    .flow .content .item:last-child{
        padding: 4rem 0 0;
    }
    .flow .content .item .image{
        margin-top: 3rem;
        width: 100%;
    }
    .flow .content .item .txtarea{
        width: 100%;
        margin: 0;
    }
    .flow .sidenavi .ttl{
        text-align: center;
        font-size: 7vw;
    }
    .flow .sidenavi .txt{
        text-align: center;
    }
    .flow .content .item .step{
        font-size: 4.5vw;
    }
    .flow .content .item .ttl{
        font-size: 5vw;
        margin-top: 0;
    }
    .flow .content .item .txt{
        font-size: 3.8vw;
        margin-top: 1rem;
    }
    .flow .content .item .link{
        margin-top: 3rem;
    }
    .flow .content .item .link .btn a{
        width: 80%;
        font-size: 4vw;
        padding: 4vw;
        margin: 0 auto;
    }
    .flow .content .item .tag ul li{
        font-size: 3.8vw;
        line-height: 1.8;
    }
    .flow .content .item .link .btn + .btn{
        margin-left: 0;
        margin-top: 2rem;
    }

}