html {
    /*background-color: #f1f1f1;*/
}

@media (min-width: 768px) {
    .login {
        min-width: 704px;
        max-width: 30% !important;
    }
}

details * {
    box-sizing: border-box;
}

.image.is-256x256 {
    height: 256px;
    width: 256px;
}

.image.is-width64 {
    width: 64px;
}

.image.is-hatched::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.modal-content {
    max-height: calc(100vh - 72px);
    width: 90%;
}

@media screen and (max-width: 768px) {
    .p-3-mobile {
        padding: 0.75rem; /* これはBulmaの p-2 クラスと同等のパディング値です */
    }
}

.notification-badge {
    position: absolute;
    top: 0rem;
    left: 0rem;
    width: 22px;
    height: 22px;
    line-height: 22px;
    border-radius: 50%;
    background-color: #E93F33;
    color: white;
    text-align: center;
    font-size: 14px;
    transform: translate(-50%, -50%);
}

.is-vcenter {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}