#tax-title-area {
    margin-bottom: 20px;
}
#tax-title {
    height: 64px;
    padding-top: 6px;
    position: relative;
    color: #0fa;
    font-weight: bold;
    border: 2px solid #5507FF;
    display: flex; 
    align-items: center;  
    justify-content: center; 
    letter-spacing: 0.2em;
    font-size: 1.2rem;
}

#tax-title::before {
    position: absolute;
    top: 4px;
    left: 4px;
    width: calc(100% - 12px);
    height: calc(100% - 12px);
    border: 2px dotted #0066CC;
    content: '';
    z-index: -1;
}

#tax-title .small {
    display: inline-block;
    
}
@media screen and (max-width: 1000px) {/*1000px以上の場合(PC)*/
    #tax-title {
        height: 76px;
        padding-top: 0;
        line-height: 1.4rem;
    }
    #tax-title .small {
        display: block;
        font-size: 0.6rem;
    }
}