:root {
    --primary-green: #006837;
    --accent-green: #009245;
    --light-bg: #f9fbf7;
    --text-dark: #1a1a1a;
    --text-muted: #555;
    --card-shadow: 0 10px 30px rgba(0,0,0,0.05);
    --border-radius: 20px;
}

/*body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #f4f7f4;
    color: var(--text-dark);
    margin: 0;
    padding: 40px 20px;
    line-height: 1.5;
}*/
#product_concern{
    background-color: #f4f7f4;
    padding: 60px 0;
}
#product_concern .container-fluid{max-width: 1600px;}
#product_concern .box {
    margin: 0 auto;
    background: white;
    border-radius: 32px;
    box-shadow: var(--card-shadow);
    padding: 60px 40px;
}

#product_concern header {
    text-align: center;
    margin-bottom: 50px;
}

#product_concern .h1 {
    font-weight: 800;
    margin: 0 0 15px 0;
    color: var(--text-dark);
    letter-spacing: -0.02em;
    font-family: 'Open Sans';
}

#product_concern .subtitle {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

#product_concern .steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

#product_concern .step-card {
    background: #fff;
    border: 1px solid #edf2ed;
    border-radius: var(--border-radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

#product_concern .step-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,104,55,0.1);
    border-color: var(--primary-green);
}

#product_concern .step-header {
    background-color: var(--primary-green);
    color: white;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

#product_concern .step-number {
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(4px);
    color: white;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    flex-shrink: 0;
    border: 1px solid rgba(255,255,255,0.3);
}

#product_concern .step-title {
    font-weight: 700;
    line-height: 1.2;
}

#product_concern .step-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

#product_concern .icon-box {
    width: 48px;
    height: 48px;
    background: #f0f7f0;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    color: var(--primary-green);
}

#product_concern .contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

#product_concern .contact-item {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

#product_concern .contact-item strong {
    display: block;
    color: var(--text-dark);
}

#product_concern .contact-item span {
    color: var(--text-muted);
}

#product_concern .info-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

#product_concern .info-list li {
    padding: 12px 0;
    border-bottom: 1px solid #f0f0f0;
    font-weight: 500;
    color: var(--text-dark);
}

#product_concern .info-list li:last-child {
    border-bottom: none;
}

#product_concern .tip-box {
    background: #fff9c4;
    padding: 15px;
    border-radius: 12px;
    /*margin-top: auto;*/
    border-left: 4px solid #fbc02d;
    color: #5d4037;
}

#product_concern .visual-area {
    background: #f8faf8;
    border: 2px dashed #e0e7e0;
    border-radius: 12px;
    height: 180px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: #88a088;
    text-align: center;
    padding: 10px;
    overflow: hidden;
}

#product_concern .visual-area img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

#product_concern .visual-area svg {
    width: 40px;
    height: 40px;
    margin-bottom: 10px;
    opacity: 0.5;
}
@media (max-width: 1299.9px) {
    #product_concern .steps-grid {
        gap: 15px;
    }
}
@media (max-width: 1199.9px) {
    #product_concern .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 767.9px) {
    #product_concern .box {
        border-radius: 20px;
        padding: 40px 20px;
    }
    #product_concern .h1{font-size: 28px;}
}
@media (max-width: 629.9px) {
    #product_concern .steps-grid {
        grid-template-columns: 1fr;
    }
    #product_concern .h1{font-size: 24px;}
}