body {
    font-family: 'Hiragino Kaku Gothic Pro', 'メイリオ', sans-serif;
    min-height: 100vh;
    display: flex;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.1)),
        url('../images/bg.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    position: relative;
    overflow-x: hidden;
}

.be-card {
    width: 100%;
    border-radius: 16px;
    border: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.be-header {
    background-color: #f5f5dc;
    border-bottom: 1px solid #f1f1f1;
    padding: 2rem 2rem 1.5rem;
}

.be-body {
    padding: 2rem;
    background-color: #f5f5dc;
}

@media (max-width: 576px) {
    .be-card {
        margin: 1rem;
    }

    .be-header {
        padding: 1.5rem 1.5rem 1rem;
    }

    .be-body {
        padding: 1.5rem;
    }
}

.be-title {
    color: #2c3e50;
    font-weight: 600;
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: 1.8rem;
}

.form-label {
    font-weight: 500;
    color: #4a5568;
    margin-bottom: 0.5rem;
}

.btn-submit {
    background-color: #4299e1;
    border-color: #4299e1;
    color: white;
    font-weight: 600;
    padding: 0.75rem;
    border-radius: 8px;
    transition: all 0.2s;
    width: 100%;
    font-size: 1rem;
}

.btn-submit:hover {
    background-color: #3182ce;
    border-color: #3182ce;
    transform: translateY(-1px);
}

.form-control {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    font-size: 1rem;
    transition: all 0.2s;
}

.form-control:focus {
    border-color: #4299e1;
    box-shadow: 0 0 0 0.25rem rgba(66, 153, 225, 0.15);
}

.input-group-text {
    background-color: #f8f9fa;
    border: 1px solid #e2e8f0;
    border-right: none;
}

.input-group .form-control {
    border-left: none;
}

.input-group .form-control:focus {
    border-left: none;
}
.navbar {
    background-color: #f5f5dc;
    margin-bottom: 50px;
}
.brand {
    color: black !important;
    height: inherit;
    display: flex;
    align-items: center;
    font-family: "Inter", sans-serif;
    font-weight: 500;
    font-size: 2.5rem;
}