#tex01-1-1-6-1 {
        background-color:#ff5e5d;
        color: #FFF;
    }
    #tex01-1-1-6-1 .heading > * {
        font-size: 24px !important;
        color: #fff !important;
    }

@media screen and (min-width: 768px){
    h2 {
       font-size: 40px;
    }
    #tex01-1-1-6-1 {
        border-radius: 8px 0px 0px 8px;
    }
    #tex01-1-1-13 .content:last-child {
        border-right: 0px;
    }
    
    .diamond {
        position: relative;
    }
    /* 外側の菱形 */
    .diamond::before {
        content: "";
        position: absolute;
        top: 50%;
        left: 38px;
        width: 38px;
        height: 38px;
        border: 2px solid #fff;
        transform: translate(-50%, -50%) rotate(45deg);
    }
    /* 内側の菱形 */
    .diamond::after {
        content: "";
        position: absolute;
        top: 50%;
        left: 38px;
        width: 17px;
        height: 17px;
        border: 2px solid #fff;
        transform: translate(-50%, -50%) rotate(45deg);
    }
}
@media screen and (max-width: 767px){
    #tex01-1-1-6-1 {
        border-radius: 8px 8px 0px 0px;
    }
}