/* 모바일 반응형 및 무지개 배경 */
body {
    background: linear-gradient(to right, #ff9a9e, #fad0c4, #f6d365, #f8cbad, #a1c4fd, #c2e9fb, #84fab0);
    background-size: 300% 300%;
    animation: Gradient 15s ease infinite;
    font-family: 'Noto Sans KR', sans-serif;
    padding: 30px;
}

@keyframes Gradient {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* 카드 스타일 */
.card {
    border: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: 0.3s;
    min-height: 25vh;
}
.card-body {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.card-text {
    margin-bottom: 0;
    flex-grow: 1;
}

.card-title {
    margin-bottom: 10px;
}

.card-body .a {
    align-self: flex-end;
}


.blurred {
    user-select: none;
    filter: blur(5px);
}

.blurred * {
    pointer-events: none;
}

/* 모바일 반응형 그리드 */
@media (max-width: 576px) {
    .col-sm-12 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

/* 데스크탑 그리드 */
@media (min-width: 768px) {
    .col-md-4 {
        flex: 0 0 33.333333%;
        max-width: 33.333333%;
    }
}
.container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    flex-wrap: wrap;
    padding: 30px;
}

.row {
    width: 100%;
    margin-bottom: 30px;
}