/* ========================================
   電話CTA強化スタイル
======================================== */

/* 電話ボタン専用スタイル */
.btn-phone-cta {
    background: linear-gradient(135deg, #ff6b6b 0%, #ff4757 100%) !important;
    border: none !important;
    box-shadow: 0 8px 20px rgba(255, 75, 87, 0.4) !important;
    animation: pulse-phone 2s infinite;
    position: relative;
    overflow: hidden;
    font-size: 1.1rem !important;
    padding: 20px 35px !important;
}

.btn-phone-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.btn-phone-cta:hover::before {
    left: 100%;
}

.btn-phone-cta:hover {
    background: linear-gradient(135deg, #ff4757 0%, #ff3838 100%) !important;
    box-shadow: 0 12px 30px rgba(255, 75, 87, 0.5) !important;
    transform: translateY(-3px) scale(1.02);
}

.btn-phone-cta .cta-text {
    font-weight: 700;
    font-size: 1.15rem;
    display: block;
    margin-bottom: 5px;
}

.btn-phone-cta .phone-number {
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: 0.05em;
    display: block;
}

@keyframes pulse-phone {
    0%, 100% {
        box-shadow: 0 8px 20px rgba(255, 75, 87, 0.4);
    }
    50% {
        box-shadow: 0 8px 30px rgba(255, 75, 87, 0.6);
    }
}

/* スマホ最適化 */
@media (max-width: 768px) {
    .btn-phone-cta {
        width: 100%;
        font-size: 1rem !important;
        padding: 25px 20px !important;
    }
    
    .btn-phone-cta .cta-text {
        font-size: 1.1rem;
    }
    
    .btn-phone-cta .phone-number {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .btn-large {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .btn-phone-cta .cta-text {
        font-size: 1rem;
    }
    
    .btn-phone-cta .phone-number {
        font-size: 1.7rem;
    }
}

/* FAアイコンの回転アニメーション */
.btn-phone-cta .fa-phone-volume {
    animation: ring 1.5s infinite;
}

@keyframes ring {
    0%, 100% {
        transform: rotate(0deg);
    }
    10%, 30% {
        transform: rotate(-15deg);
    }
    20%, 40% {
        transform: rotate(15deg);
    }
    50% {
        transform: rotate(0deg);
    }
}