#concept {
    background-image: url('../../img/concept-bg.png');
    width: 100%;
    min-height: 500px;
}

#concept .content {
    display: flex;
}

#concept .panel {
    width: 40%;
    background-color: white;
    display: inline-block;
    margin: 40px 4.5%;
    border: none !important;
    border-radius: 0 !important;
    padding: 0 0 40px;
}

#concept .panel h2 {
    font-size: 1.7rem;
    font-weight: bold;
    padding: 0 25px;
    margin-bottom: 8px !important;
    margin-top: 15px !important;
    color: black !important;
    line-height: 1.5 !important;
}

#concept .panel ul {
    margin-bottom: 20px;
}

#concept .panel p, #concept .panel li {
    color: gray;
    padding: 5px 25px 0;
    font-size: 1.3rem;
    margin-bottom: 5px !important;
    margin-top: -10px !important;
}

#concept .panel li {
    padding-left: 5px !important;
}

#concept .panel li::marker {
    color: black !important;
}

#concept .panel p a {
    text-decoration: underline;
}

#aim h2.title {
    font-size: 3.0rem;
    font-weight: bold;
    text-align: center;
    margin: 50px 0;
}

#aim p.txt-help {
    text-align: center;
    margin-bottom: 80px;
}

#aim .help-item {
    background-color: #f2f4f5;
    padding: 20px;
    margin: 10px;
}

#aim .help-item h2 {
    font-size: 1.8rem;
    font-weight: bold;
    margin-bottom: 0 !important;
}

#aim .help-item p {
    font-size: 1.5rem;
    margin-bottom: 0 !important;
}

#about-header {
    background: url(../../img/about.jpg);
    width: 100%;
    height: 150px;
}

#about, #social {
    margin-top: 50px;
    margin-bottom: 10px;
}

#about dt, #about dd {
    font-size: 18px;
}

.companyInfo {
    width: 100%;
    margin-bottom: 50px;
}

.companyInfo dt {
    padding: 30px 0;
    float: left;
    clear: left;
    width: 160px;
    border-top: none;
    position: relative;
}

.companyInfo dt::before {
    width: 160px;
    position: absolute;
    content: "";
    height: 1px;
    background: #222222;
    top: 0;
}

.companyInfo dd {
    padding: 30px 0 30px 220px;
    width: 100%;
    border-top: 1px solid #DDDDDD;
}
  
.companyInfo dd span {
    font-size: 13px !important;
}

.btn-social {
    display: inline-block;
    text-align: center;
    width: 170px;
    height: 63px;
    border-radius: 10px;
    margin: 0 10px;
    justify-items: center;
    align-items: center;
    padding: 0 20px;
}

.btn-twitter {
    background-color: #2ba8e0;
}

.btn-send {
    background-color: #3b86a8;
}

.btn-line {
    background-color: #00b900;
}

@media (max-width: 768px) {
    .btn-social {
        transform: scale(0.52);
        transform-origin: top left;
        margin: 0 !important;
        width: 170px;
    }
}