/* ==========================================
   BUSINESS スクロール連動型セクション
   ========================================== */

.business-scroll-section {
    position: relative;
    background: #ffffff;
    padding: 5rem 0;
}

.business-scroll-container {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .business-scroll-container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .business-scroll-container {
        padding: 0 2rem;
    }
}

/* ヘッダー */
.business-scroll-header {
    /*text-align: center;*/
    margin-bottom: 2rem;
}

.business-scroll-main-title {
    font-size: clamp(2.5rem, 5vw, 5rem);
    font-weight: 700;
    background: linear-gradient(90deg, #019DE8 0%, #0356BB 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.business-scroll-subtitle {
    font-size: clamp(1rem, 2vw, 1.313rem);
    color: #6b7280;
    margin-bottom: 3rem;
}

.business-scroll-service-title{
    font-size: clamp(1.3rem, 2.6vw, 1.7rem);
    font-weight: 600;
    margin: 0 0 .5rem;
}

.business-scroll-intro {
    font-size: clamp(0.9375rem, 1.2vw, 1.125rem);
    color: #333;
    margin-bottom: 0.5rem;
}

.business-scroll-intro-sub {
    font-size: clamp(0.875rem, 1vw, 1rem);
    color: #6b7280;
}

/* スクロール連動グリッド */
.business-scroll-grid {
    display: grid;
    gap: 2rem;
}

@media (min-width: 1024px) {
    .business-scroll-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 4rem;
    }
}

/* テキストコンテンツカラム */
.business-content-column {
    padding: 5rem 0;
}

.business-section-item {
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin-bottom: 8rem;
    transition: opacity 0.5s ease;
}

.business-section-item:last-child {
    margin-bottom: 20rem;
}

.business-section-item.inactive {
    opacity: 0.3;
}

.business-section-number {
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    font-weight: 700;
    color: #019DE8;
    margin-bottom: 1rem;
    display: block;
    font-family: 'Roboto', sans-serif;
}

.business-section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #0a0a0a;
    line-height: 1.3;
}

.business-section-description {
    font-size: clamp(0.9375rem, 1.2vw, 1.125rem);
    color: #6b7280;
    line-height: 1.75;
    margin-bottom: 2rem;
}

/* ボタンスタイル */
.btn-business-link {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding: 0.7rem 2.5rem;
    background: linear-gradient(90deg, #019DE8 0%, #0356BB 100%);
    color: #fff;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s ease;
    width: 45%;
    min-width: 200px;
    text-decoration: none;
}

.btn-business-link:hover {
    background: linear-gradient(90deg, #0178BD 0%, #023D8F 100%);
    transform: translateX(5px);
}

.btn-business-link .btn-text {
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    text-align: left;
}

.btn-business-link .btn-arrow-circle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: #fff;
    border-radius: 50%;
    flex-shrink: 0;
}

.btn-business-link .btn-arrow {
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    color: #019DE8;
    font-weight: bold;
    line-height: 1;
}

/* 画像カラム */
.business-image-column {
    position: relative;
    height: 60vh;
    display: none;
}

@media (min-width: 1024px) {
    .business-image-column {
        display: block;
        position: sticky;
        top: 10rem;
        height: 75vh;
    }
}

.business-image-container {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.business-image-slide {
    position: absolute;
    inset: 0;
    transition: opacity 0.7s ease-in-out;
    opacity: 0;
    pointer-events: none;
}

.business-image-slide.active {
    opacity: 1;
    pointer-events: auto;
}

.business-image-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* タブレット表示 */
@media (min-width: 768px) and (max-width: 1023px) {
    .business-scroll-section {
        padding: 4rem 0;
    }

    .business-section-item {
        min-height: 50vh;
        margin-bottom: 6rem;
    }
}

/* スマホ表示 */
@media (max-width: 767px) {
    .business-scroll-section {
        padding: 3rem 0;
    }

    .business-scroll-header {
        margin-bottom: 3rem;
    }

    .business-content-column {
        padding: 2rem 0;
    }

    .business-section-item {
        min-height: auto;
        margin-bottom: 4rem;
        padding: 2rem 0;
    }

    .business-section-item:last-child {
        margin-bottom: 8rem;
    }

    .business-section-item.inactive {
        opacity: 1;
    }

    .business-section-title {
        margin-bottom: 1rem;
    }

    .business-section-description {
        margin-bottom: 1.5rem;
    }
}