/**
 * プレミアム会員誘導セクション - CTAスタイル
 */

/* ========================================
   プレミアムCTAセクション
   ======================================== */

.premium-cta-section {
    padding: 80px 20px;
    background: linear-gradient(135deg, #FFF0F5, #F0F8FF);
    position: relative;
    overflow: hidden;
}

.premium-cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 107, 157, 0.05) 0%, transparent 70%);
    animation: rotate 30s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ========================================
   CTAカード
   ======================================== */

.premium-cta-card {
    background: linear-gradient(135deg, #FFFFFF, #FFF9FB);
    border-radius: 30px;
    padding: 60px 50px;
    max-width: 1000px;
    margin: 0 auto;
    box-shadow: 0 20px 60px rgba(255, 107, 157, 0.15);
    text-align: center;
    position: relative;
    z-index: 1;
    border: 2px solid rgba(255, 107, 157, 0.1);
}

/* ========================================
   アイコン
   ======================================== */

.premium-cta-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 30px;
    background: linear-gradient(135deg, #FF6B9D, #C9A0FF);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 15px 40px rgba(255, 107, 157, 0.4);
    animation: pulse 2s ease-in-out infinite;
}

.premium-cta-icon i {
    font-size: 60px;
    color: #FFFFFF;
}

/* ========================================
   タイトル・説明
   ======================================== */

.premium-cta-card h2 {
    font-size: 36px;
    font-weight: 700;
    color: #2D1B3D;
    margin-bottom: 20px;
    font-family: 'Playfair Display', serif;
    line-height: 1.3;
}

.premium-cta-description {
    font-size: 18px;
    color: #555;
    line-height: 1.8;
    margin-bottom: 50px;
}

.premium-cta-description strong {
    color: #FF6B9D;
    font-weight: 700;
}

/* ========================================
   特典グリッド
   ======================================== */

.premium-benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.premium-benefit-item {
    background: linear-gradient(135deg, #FFFFFF, #FFF9FB);
    padding: 30px 20px;
    border-radius: 20px;
    border: 2px solid rgba(255, 107, 157, 0.1);
    transition: all 0.3s ease;
}

.premium-benefit-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(255, 107, 157, 0.2);
    border-color: #FF6B9D;
}

.premium-benefit-item i {
    font-size: 40px;
    background: linear-gradient(135deg, #FF6B9D, #C9A0FF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
}

.premium-benefit-item h4 {
    font-size: 18px;
    font-weight: 700;
    color: #2D1B3D;
    margin-bottom: 8px;
}

.premium-benefit-item p {
    font-size: 14px;
    color: #666;
    margin: 0;
}

/* ========================================
   価格表示
   ======================================== */

.premium-pricing {
    margin-bottom: 40px;
}

.price-tag {
    display: inline-flex;
    align-items: baseline;
    gap: 10px;
    background: linear-gradient(135deg, #FFF9E6, #FFF5FB);
    padding: 20px 40px;
    border-radius: 20px;
    border: 2px dashed #FFB347;
}

.price-label {
    font-size: 18px;
    color: #666;
    font-weight: 500;
}

.price-amount {
    font-size: 48px;
    font-weight: 700;
    background: linear-gradient(135deg, #FF6B9D, #C9A0FF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'Playfair Display', serif;
}

.price-note {
    font-size: 16px;
    color: #FF6B9D;
    font-weight: 700;
    background: #FFF;
    padding: 5px 15px;
    border-radius: 20px;
    border: 2px solid #FF6B9D;
}

/* ========================================
   CTAボタン
   ======================================== */

.btn-premium-cta {
    display: inline-block;
    padding: 22px 50px;
    background: linear-gradient(135deg, #FF6B9D, #C9A0FF);
    color: #FFFFFF;
    text-decoration: none;
    border-radius: 50px;
    font-size: 20px;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(255, 107, 157, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-premium-cta::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn-premium-cta:hover::before {
    width: 300px;
    height: 300px;
}

.btn-premium-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 107, 157, 0.5);
}

.btn-premium-cta i {
    margin-right: 12px;
    position: relative;
    z-index: 1;
}

/* ========================================
   サブテキスト
   ======================================== */

.cta-subtext {
    margin-top: 20px;
    font-size: 14px;
    color: #999;
    font-style: italic;
}

/* ========================================
   アニメーション
   ======================================== */

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 15px 40px rgba(255, 107, 157, 0.4);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 20px 50px rgba(255, 107, 157, 0.5);
    }
}

/* ========================================
   レスポンシブ対応
   ======================================== */

@media (max-width: 1024px) {
    .premium-benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .premium-cta-section {
        padding: 60px 20px;
    }
    
    .premium-cta-card {
        padding: 40px 30px;
        border-radius: 20px;
    }
    
    .premium-cta-icon {
        width: 100px;
        height: 100px;
        margin-bottom: 25px;
    }
    
    .premium-cta-icon i {
        font-size: 50px;
    }
    
    .premium-cta-card h2 {
        font-size: 28px;
    }
    
    .premium-cta-description {
        font-size: 16px;
        margin-bottom: 35px;
    }
    
    .premium-cta-description br {
        display: none;
    }
    
    .premium-benefits-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .price-amount {
        font-size: 36px;
    }
    
    .btn-premium-cta {
        width: 100%;
        padding: 18px 40px;
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .premium-cta-card {
        padding: 30px 20px;
    }
    
    .premium-cta-card h2 {
        font-size: 24px;
    }
    
    .premium-cta-description {
        font-size: 14px;
    }
    
    .premium-benefit-item {
        padding: 25px 15px;
    }
    
    .premium-benefit-item i {
        font-size: 32px;
    }
    
    .premium-benefit-item h4 {
        font-size: 16px;
    }
    
    .price-tag {
        flex-direction: column;
        gap: 8px;
        padding: 20px 30px;
    }
    
    .price-amount {
        font-size: 32px;
    }
    
    .btn-premium-cta {
        font-size: 16px;
        padding: 16px 30px;
    }
}