.uranai-box {
    max-width: 500px;
    margin: 20px auto;
    padding: 20px;
    background: radial-gradient(ellipse at bottom, #1b2735 0%, #090a0f 100%);
    color: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    position: relative;
    overflow: hidden;
    font-family: 'Arial', sans-serif;
}

.uranai-box h2, .uranai-box h3 {
    text-align: center;
    margin-bottom: 15px;
}

.uranai-box button {
    width: 100%;
    margin: 6px 0;
    padding: 10px;
    border-radius: 6px;
    border: none;
    background: #6b46ff;
    color: white;
    cursor: pointer;
    transition: transform 0.2s;
}

.uranai-box button:hover {
    transform: scale(1.05);
}

.uranai-result, .gacha-result {
    margin-top: 15px;
    padding: 12px;
    background: rgba(255,255,255,0.1);
    border-radius: 8px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.3);
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.uranai-result.show, .gacha-result.show {
    opacity: 1;
    transform: translateY(0);
}

/* 軽い星空アニメーション */
@keyframes twinkle {
    0%, 100% { opacity: 0.3; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(-2px); }
}

.star {
    position: absolute;
    width: 2px;
    height: 2px;
    background: white;
    border-radius: 50%;
    animation: twinkle 2s infinite alternate;
    pointer-events: none;
}

/* プラグイン内のタイトルを非表示にする */
.uranai-box h2 {
    display: none;
}

/* 星の数はjsで軽く生成 */