.box {
    position: absolute;
    width: 338px;
    left: 200px;
    height: 48px;
    top: -1px;
}

.field-list {
    height: 48px;
    position: absolute;
}

.field-item {
    box-sizing: border-box;
    width: 44px;
    height: 48px;
    line-height: 48px;
    font-size: 24px;
    text-align: center;
    font-weight: bold;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 200;
}

.field-item-focus {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: row-reverse;
}

.field-item-focus::before {
    content: '';
    display: block;
    max-width: 1px;
    min-width: 1px;
    height: 30px;
    background: #000;
    animation: blink 1s steps(1) infinite;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

.field-input {
    box-sizing: border-box;
    position: absolute;
    top: 0;
    height: 48px;
    padding: 0;
    border: none;
    outline: none;
    opacity: 0;
    z-index: 1000;
    background: transparent;
}

@media (max-width: 1100px) {
    .field-list {
        width: 2rem;
    }

    .field-input {
        width: 2rem;
        left: 0;
    }

    .field-item {
        border: 1px solid #8A8A8A;
        border-radius: 6px;
    }

    #mobile-lastName::placeholder {
        line-height: 48px;
    }
}

@media (min-width: 1101px) {
    .field-list {
        width: 330px;
    }

    .field-input {
        width: 330px;
        left: 0;
    }

    .box {
        left: 200px;
        width: 330px;
    }

    .field-item {
        width: 80px;
    }
}