body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.8;
    color: var(--text-color);
    padding-top: 80px;
    background-color: var(--section-bg);
}

.business-container {
    max-width: 1080px;
    margin: 2rem auto;
    padding: 0 1rem;
    opacity: 0;
    animation: fadeIn 1s ease forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.page-title {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
    font-size: 2rem;
    position: relative;
    padding-bottom: 1rem;
    opacity: 0;
    animation: titleSlide 0.8s ease 0.3s forwards;
}

@keyframes titleSlide {
    from {
        opacity: 0;
        transform: translateY(-30px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.page-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--secondary-color);
    transition: width 0.3s ease;
}

.page-title:hover::after {
    width: 120px;
}

.section-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    opacity: 0;
    transform: translateY(20px);
    animation: cardAppear 0.8s ease forwards;
}

@keyframes cardAppear {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-card:nth-child(1) { animation-delay: 0.4s; }
.section-card:nth-child(2) { animation-delay: 0.6s; }
.section-card:nth-child(3) { animation-delay: 0.8s; }
.section-card:nth-child(4) { animation-delay: 1s; }
.section-card:nth-child(5) { animation-delay: 1.2s; }

.section-title {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--secondary-color);
    opacity: 0;
    animation: titleReveal 0.5s ease forwards;
}

@keyframes titleReveal {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.intro-text {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    text-align: center;
}

.product-category {
    margin-bottom: 2rem;
    opacity: 0;
    animation: categoryReveal 0.5s ease forwards;
}

@keyframes categoryReveal {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-category:nth-child(1) { animation-delay: 0.7s; }
.product-category:nth-child(2) { animation-delay: 0.9s; }
.product-category:nth-child(3) { animation-delay: 1.1s; }

.product-title {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

.product-title::before {
    content: "■";
    color: var(--secondary-color);
    margin-right: 0.5rem;
    font-size: 1.2rem;
}

.product-list {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.product-item {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.product-item::before {
    content: "・";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
}

.strength-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.strength-item {
    background: var(--section-bg);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--secondary-color);
    opacity: 0;
    animation: strengthAppear 0.5s ease forwards;
}

@keyframes strengthAppear {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.strength-item:nth-child(1) { animation-delay: 0.8s; }
.strength-item:nth-child(2) { animation-delay: 1s; }
.strength-item:nth-child(3) { animation-delay: 1.2s; }

.strength-title {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.contact-section {
    text-align: center;
    margin-top: 3rem;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    opacity: 0;
    animation: contactPulse 1s ease 1.4s forwards;
}

@keyframes contactPulse {
    0% {
        opacity: 0;
        transform: scale(0.95);
    }
    50% {
        transform: scale(1.02);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.contact-text {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-decoration: none;
    display: inline-block;
    position: relative;
    overflow: hidden;
    transition: color 0.3s ease;
}

.contact-text::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary-color);
    transition: width 0.4s ease;
}

.contact-text:hover {
    color: var(--secondary-color);
}

.contact-text:hover::after {
    width: 100%;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.contact-text:hover {
    animation: pulse 1s infinite;
}

@media (max-width: 768px) {
    .business-container {
        padding: 1rem;
    }

    .section-card {
        padding: 1.5rem;
    }

    .strength-grid {
        grid-template-columns: 1fr;
    }
}