/* 羽のアニメーション専用CSS */
@keyframes float-feather {
    0% { 
        transform: translateY(0) rotate(0deg); 
        opacity: 0; 
    }
    10% { 
        opacity: 0.8; 
    }
    50% { 
        transform: translateY(-50px) rotate(180deg); 
        opacity: 0.3; 
    }
    90% { 
        opacity: 0.8; 
    }
    100% { 
        transform: translateY(-100px) rotate(360deg); 
        opacity: 0; 
    }
}

/* 光の効果 */
@keyframes light-pulse {
    0%, 100% {
        box-shadow: 0 0 10px 2px rgba(255, 255, 255, 0.5);
    }
    50% {
        box-shadow: 0 0 20px 5px rgba(255, 255, 255, 0.8);
    }
}

.angel-character::after {
    content: '';
    position: absolute;
    width: 80%;
    height: 20px;
    bottom: -10px;
    left: 10%;
    border-radius: 50%;
    background: radial-gradient(ellipse at center, rgba(255,255,255,0.7) 0%,rgba(255,255,255,0) 70%);
    z-index: -1;
}

/* 特殊なフロー効果 */
.angel-flow {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.1) 50%, rgba(255,255,255,0) 100%);
    opacity: 0;
    z-index: 3;
    animation: flow-animation 8s infinite ease-in-out;
}

@keyframes flow-animation {
    0%, 100% {
        opacity: 0;
        transform: translateX(-100%);
    }
    50% {
        opacity: 0.5;
        transform: translateX(100%);
    }
}
