.h-wrapper {
    width: 100%;
    display: flex;
    justify-content: space-between;
}

.h-box-wrapper {
    position: relative;
    width: 700rem;
    display: flex;
    flex-direction: column;
    gap: 50rem;
}

.h-box-wrapper::after {
    content: '';
    position: absolute;
    top: 0; left: 128rem;
    width: 1px;
    height: 100%;
    background-color: #ddd;
    z-index: 1;
}

.h-box {
    width: 100%;
    padding-bottom: 100rem;
    display: flex;
    align-items: flex-start;
    gap: 50rem;
    border-bottom: 1px dashed #ddd;
}

.h-box:last-child {
    border: none;
}

.h-box-year {
    display: flex;
    align-items: center;
    gap: 50rem;
}

.h-box-year h5 {
    width: 70rem;
    color: #222;
    font-size: 28rem;
}

.h-box-year span {
    position: relative;
    width: 18px;
    height: 18px;
    display: flex;
    border-radius: 50%;
    background-color: #ddd;
    z-index: 2;
}

.h-box-year span::after {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #fff;
}

.h-box-info {
    display: flex;
    flex-direction: column-reverse;
    gap: 15rem;
}

.h-box-info p {
    color: #333;
    font-size: 19rem;
    font-weight: 500;
    line-height: 1.5;
    margin-top: 3px;
}


/*==================================================*/
@media (max-width: 768px) {
    .h-wrapper {
        flex-direction: column;
        justify-content: unset;
    }

    .h-box-info p {
        margin-top: 0;
    }
}


@media (max-width: 550px) {
    .h-box-year span {
        width: 14px;
        height: 14px;
    }

    .h-box-year span::after {
        width: 8px;
        height: 8px;
    }
    
    .h-box-year h5 {
        font-size: 32rem;
    }

    .h-box-info p {
        font-size: 22rem;
    }
}