.kiemai-auth-required-sheet {
    position: fixed;
    inset: 0;
    z-index: 30001;
    display: flex;
    align-items: flex-end;
    background: rgba(16, 24, 40, 0.55);
}

.kiemai-auth-required-sheet[hidden] {
    display: none;
}

.kiemai-auth-required-sheet__panel {
    position: relative;
    width: 100%;
    padding: 24px;
    background: #fff;
    border-radius: 24px 24px 0 0;
}

.kiemai-auth-required-sheet__panel > button {
    position: absolute;
    top: 12px;
    right: 16px;
    border: 0;
    background: transparent;
    font-size: 2rem;
}

@media (min-width: 700px) {
    .kiemai-auth-required-sheet {
        align-items: center;
        justify-content: center;
    z-index: 30001;
    }

    .kiemai-auth-required-sheet__panel {
        max-width: 520px;
        border-radius: 24px;
    }
}