/* =========================================
   Growth Model DX セクション
   - サイバー系ネオン（青・紫・水色）を基調
   - 未来的な5ステップフローデザイン
   ========================================= */

.growth-model-section {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    padding: 100px 0 120px;
    position: relative;
    overflow: hidden;
}

/* デジタル回路背景 */
.growth-model-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px),
        linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.5;
    pointer-events: none;
}

/* アニメーションする回路パターン */
.growth-model-section::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulseGlow 8s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.2); opacity: 0.6; }
}

/* セクションヘッダー */
.growth-header {
    text-align: center;
    margin-bottom: 80px;
    position: relative;
    z-index: 1;
}

.growth-title {
    font-size: 48px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 20px;
    text-shadow: 0 4px 20px rgba(59, 130, 246, 0.5);
    letter-spacing: 1px;
}

.growth-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 400;
    max-width: 700px;
    margin: 0 auto;
}

/* メインインフォグラフィックエリア */
.growth-infographic-wrapper {
    max-width: 1400px;
    margin: 0 auto 60px;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.growth-main-image {
    width: 100%;
    border-radius: 20px;
    box-shadow: 
        0 20px 60px rgba(59, 130, 246, 0.3),
        0 0 40px rgba(139, 92, 246, 0.2);
    transition: transform 0.4s ease;
}

.growth-main-image:hover {
    transform: scale(1.02);
}

/* 5ステップフローカード */
.growth-steps-flow {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

/* 個別ステップカード */
.growth-step {
    background: rgba(30, 41, 59, 0.6);
    border: 2px solid transparent;
    border-radius: 20px;
    padding: 35px 25px;
    position: relative;
    backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ステップごとのボーダーカラー */
.growth-step[data-step="1"] {
    border-color: rgba(59, 130, 246, 0.4);
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.7), rgba(37, 99, 235, 0.15));
}

.growth-step[data-step="2"] {
    border-color: rgba(6, 182, 212, 0.4);
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.7), rgba(6, 182, 212, 0.15));
}

.growth-step[data-step="3"] {
    border-color: rgba(168, 85, 247, 0.4);
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.7), rgba(168, 85, 247, 0.15));
}

.growth-step[data-step="4"] {
    border-color: rgba(20, 184, 166, 0.4);
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.7), rgba(20, 184, 166, 0.15));
}

.growth-step[data-step="5"] {
    border-color: rgba(139, 92, 246, 0.5);
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.7), rgba(139, 92, 246, 0.2));
    box-shadow: 0 10px 40px rgba(139, 92, 246, 0.3);
}

/* ホバーエフェクト */
.growth-step:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(59, 130, 246, 0.4);
    border-color: rgba(59, 130, 246, 0.8);
}

/* ステップ番号バッジ */
.growth-step-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border: 3px solid #0f172a;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    color: white;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.6);
}

.growth-step[data-step="5"] .growth-step-badge {
    background: linear-gradient(135deg, #8b5cf6, #ec4899);
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(139, 92, 246, 0.6); }
    50% { box-shadow: 0 4px 30px rgba(139, 92, 246, 1), 0 0 20px rgba(236, 72, 153, 0.6); }
}

/* ステップアイコン */
.growth-step-icon {
    font-size: 48px;
    text-align: center;
    margin: 25px 0 20px;
    filter: drop-shadow(0 4px 10px rgba(59, 130, 246, 0.5));
}

/* ステップタイトル */
.growth-step-title {
    font-size: 18px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 12px;
    text-align: center;
    text-shadow: 0 2px 10px rgba(59, 130, 246, 0.5);
}

.growth-step-label {
    font-size: 12px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 8px;
    text-align: center;
}

/* ステップ説明 */
.growth-step-description {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.75);
    text-align: center;
}

/* ステップ間の接続矢印 */
.growth-step::after {
    content: '';
    position: absolute;
    right: -30px;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.6), transparent);
    z-index: -1;
}

.growth-step:last-child::after {
    display: none;
}

/* 循環矢印（最後のステップから最初に戻る） */
.growth-cycle-arrow {
    position: absolute;
    bottom: -80px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    height: 60px;
    pointer-events: none;
    z-index: 1;
}

.growth-cycle-arrow svg {
    width: 100%;
    height: 100%;
}

/* フッターメッセージ */
.growth-footer-message {
    margin-top: 100px;
    text-align: center;
    padding: 30px 40px;
    background: linear-gradient(135deg, rgba(234, 179, 8, 0.15), rgba(251, 191, 36, 0.1));
    border: 2px solid rgba(234, 179, 8, 0.4);
    border-radius: 20px;
    max-width: 900px;
    margin: 100px auto 0;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 40px rgba(234, 179, 8, 0.2);
}

.growth-footer-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.growth-footer-text {
    font-size: 20px;
    font-weight: 600;
    color: #fbbf24;
    text-shadow: 0 2px 10px rgba(234, 179, 8, 0.5);
}

/* レスポンシブデザイン */
@media (max-width: 1200px) {
    .growth-steps-flow {
        grid-template-columns: repeat(3, 1fr);
        gap: 25px;
    }
    
    .growth-step::after {
        display: none;
    }
}

@media (max-width: 768px) {
    .growth-model-section {
        padding: 60px 0 80px;
    }
    
    .growth-title {
        font-size: 32px;
    }
    
    .growth-subtitle {
        font-size: 16px;
    }
    
    .growth-steps-flow {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .growth-step {
        padding: 30px 20px;
    }
    
    .growth-footer-message {
        margin-top: 60px;
        padding: 25px 20px;
    }
    
    .growth-footer-text {
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .growth-title {
        font-size: 26px;
    }
    
    .growth-subtitle {
        font-size: 14px;
    }
    
    .growth-step-icon {
        font-size: 36px;
    }
    
    .growth-step-title {
        font-size: 16px;
    }
}