.line {
    display: flex;
    flex-direction: row;
    width: calc(100% - 1em - 1em);
    height: 58px;
    padding: 1em;
}

.cases {
    flex-direction: row;
    display: flex;
    width: 80%;
}

button {
    width: calc(20% - 1em);
    margin-left: 1em;
    padding: 0;
}

@media (max-width: 720px) {
    .line {
        height: clamp(calc(58px * 0.3), calc(58px * 0.3 + 3px), calc(58px * 0.8));
    }
}