body {
    font-family: 'Noto Sans SC', sans-serif;
}

#sakura {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.view-switch-btn {
    padding: 0.6rem 1.5rem;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
    background-color: #ffffff;
    color: #374151;
    font-weight: 500;
    transition: all 0.2s ease-in-out;
    cursor: pointer;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    line-height: 1.2;
}

.view-switch-btn .japanese-text {
    font-size: 1rem;
    font-weight: 700;
}

.view-switch-btn .romaji-text {
    font-size: 0.75rem;
    color: #6b7280;
    margin-top: 0.1rem;
}

.view-switch-btn.active .romaji-text {
    color: #e5e7eb;
}

.view-switch-btn:hover {
    background-color: #f9fafb;
    border-color: #d1d5db;
}

.view-switch-btn.active {
    background-color: #3b82f6;
    color: #ffffff;
    border-color: #3b82f6;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

#app-modal-overlay.modal-visible {
    opacity: 1;
    pointer-events: auto;
}

#app-modal-overlay.modal-visible #app-modal-content {
    transform: scale(1);
    opacity: 1;
}

#app-modal-body .responsive-video {
    width: 100%;
    aspect-ratio: 16 / 9;
}

#app-modal-close-btn {
    z-index: 10;
}

.card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.25rem;
        line-height: 2.5rem;
    }

    p {
        font-size: 1rem;
    }

    .text-center header.mb-12 {
        margin-bottom: 3rem;
    }
}