/* ==========================================
   新規利用者キャンペーン専用スタイル
   プロのマーケター視点でのデザイン
   ========================================== */

/* キャンペーンバナー - ヒーロー内 */
.campaign-hero-banner {
    background: linear-gradient(135deg, #ff6b6b 0%, #ff8e53 100%);
    border-radius: 16px;
    padding: 24px 32px;
    margin: 32px auto;
    max-width: 800px;
    box-shadow: 0 8px 32px rgba(255, 107, 107, 0.3);
    position: relative;
    overflow: hidden;
    animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 8px 32px rgba(255, 107, 107, 0.3);
    }
    50% {
        box-shadow: 0 8px 40px rgba(255, 107, 107, 0.5);
    }
}

.campaign-hero-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, transparent 70%);
    animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.campaign-hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
}

.campaign-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 16px;
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.campaign-hero-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    line-height: 1.3;
}

.campaign-hero-subtitle {
    font-size: 1.1rem;
    margin-bottom: 20px;
    font-weight: 500;
    opacity: 0.95;
}

.campaign-conditions {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.campaign-condition {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    background: rgba(255, 255, 255, 0.15);
    padding: 8px 16px;
    border-radius: 30px;
    backdrop-filter: blur(5px);
}

.campaign-condition i {
    font-size: 1.1rem;
}

/* キャンペーン詳細セクション */
.campaign-detail-section {
    background: linear-gradient(135deg, #fff5f5 0%, #ffe8e8 100%);
    padding: 48px 32px;
    margin: 48px 0;
    border-radius: 20px;
    border: 3px solid #ff6b6b;
    position: relative;
}

.campaign-detail-section::before {
    content: '🎁';
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 3rem;
    background: white;
    padding: 10px 20px;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.campaign-detail-title {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
    color: #ff6b6b;
    margin-bottom: 32px;
    margin-top: 24px;
}

.campaign-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.benefit-card {
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(255, 107, 107, 0.2);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.benefit-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 8px;
}

.benefit-description {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.6;
}

.campaign-steps {
    background: white;
    padding: 32px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.campaign-steps-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #333;
    text-align: center;
    margin-bottom: 24px;
}

.campaign-step-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.campaign-step {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px;
    background: #f8f9fa;
    border-radius: 8px;
    transition: background 0.3s ease;
}

.campaign-step:hover {
    background: #fff5f5;
}

.step-number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ff8e53 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.step-content h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 4px;
}

.step-content p {
    font-size: 0.95rem;
    color: #666;
    margin: 0;
}

/* 注意事項 */
.campaign-notes {
    background: #fff9e6;
    border-left: 4px solid #ffc107;
    padding: 20px 24px;
    margin-top: 32px;
    border-radius: 8px;
}

.campaign-notes-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #f57c00;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.campaign-notes ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.campaign-notes li {
    padding: 8px 0;
    color: #666;
    font-size: 0.95rem;
    position: relative;
    padding-left: 20px;
}

.campaign-notes li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #f57c00;
    font-weight: 700;
}

/* トップページ用のコンパクトバナー */
.campaign-compact-banner {
    background: linear-gradient(135deg, #ff6b6b 0%, #ff8e53 100%);
    border-radius: 12px;
    padding: 20px 24px;
    margin: 32px 0;
    box-shadow: 0 6px 24px rgba(255, 107, 107, 0.25);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    position: relative;
    overflow: hidden;
}

.campaign-compact-banner::before {
    content: '✨';
    position: absolute;
    font-size: 8rem;
    opacity: 0.1;
    right: -20px;
    top: 50%;
    transform: translateY(-50%);
}

.campaign-compact-content {
    flex: 1;
    color: white;
    position: relative;
    z-index: 1;
}

.campaign-compact-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.25);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.campaign-compact-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.campaign-compact-text {
    font-size: 0.95rem;
    opacity: 0.95;
}

.campaign-compact-cta {
    position: relative;
    z-index: 1;
}

.campaign-compact-cta .cta-button {
    background: white;
    color: #ff6b6b;
    padding: 14px 32px;
    border-radius: 30px;
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.campaign-compact-cta .cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .campaign-hero-banner {
        padding: 20px 20px;
        margin: 24px 16px;
    }

    .campaign-hero-title {
        font-size: 1.5rem;
    }

    .campaign-hero-subtitle {
        font-size: 1rem;
    }

    .campaign-conditions {
        flex-direction: column;
        gap: 12px;
    }

    .campaign-detail-section {
        padding: 32px 20px;
        margin: 32px 16px;
    }

    .campaign-benefits {
        grid-template-columns: 1fr;
    }

    .campaign-compact-banner {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }

    .campaign-compact-title {
        font-size: 1.2rem;
    }
}