/*
    Common
*/
.b-align-right {
    text-align: right;
}
.b-align-center {
    text-align: center;
}
.b-hidden{
    display: none;
}
.b-mt10 {
    margin-top: 10px;
}

/* Topへ戻るボタン */
.btnToTop {
    width: 80%;
    background-color: #e75b4c;
    color: white;
    font-size: 25px;
    font-weight: bold;
    margin-top: 40px;
    border: 0;
    padding: 20px 0;
    height: auto;
}

.center {
    text-align: center;
}
.black {
    color: black;    
}
.title-color {
    color: #d81b60;
}
.relative {
    position: relative;
}
.absolute {
    position: absolute;
}

@media screen and (max-width: 640px) {
    .btnToTop {
        font-size: 13px;
    }
}