/* ============================================
   事業概要ページスタイル
   ============================================ */

/* イントロダクション */
.business_intro {
}

.business_intro .section_hdg {
    margin-bottom: 3rem;
}

.business_intro .section_title {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 3rem;
    line-height: 1.6;
}

.business_intro .section_description {
    font-size: 1.125rem;
    line-height: 2;
    color: var(--color-text);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

/* 事業一覧 */
.business_list {
    background: var(--color-white);
}

.business_item {
    display: grid;
    grid-template-columns: minmax(140px, 1fr) 3fr;
    gap: 3rem;
    margin-bottom: 6rem;
    padding-bottom: 6rem;
    border-bottom: 1px solid var(--color-border);
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.business_item.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.business_item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 3rem;
}

.business_label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.business_number {
    font-size: 4rem;
    font-weight: 800;
    font-family: 'Lato', sans-serif;
    color: var(--color-accent);
    line-height: 1;
    text-align: center;
}

.business_icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.business_icon .material-symbols-outlined {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 6rem;
    height: 6rem;
    font-size: 3rem;
    color: var(--color-text-inverse);
    background: var(--color-accent);
    border-radius: 1rem;
}

.business_content {
    flex: 1;
}

.business_title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.business_description {
    font-size: 1.125rem;
    line-height: 2;
    color: var(--color-text);
    margin-bottom: 2rem;
}

.business_features {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem 1.5rem;
}

.business_features li {
    position: relative;
    padding-left: 2.5rem;
    padding-top: 0.4rem;
    padding-bottom: 0.4rem;
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.8;
}

.business_features li::before {
    content: '✓';
    position: absolute;
    left: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-inverse);
    font-weight: 700;
    font-size: 0.75rem;
    background: var(--color-accent);
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* レスポンシブ */
@media (max-width: 900px) {
    .business_intro {
    }

    .business_intro .section_hdg {
        margin-bottom: 2rem;
    }

    .business_intro .section_title {
        font-size: 2rem;
    }

    .business_intro .section_description {
        font-size: 1rem;
    }

    .business_list {
    }

    .business_item {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-bottom: 4rem;
        padding-bottom: 4rem;
    }

    .business_label {
        flex-direction: row;
        justify-content: flex-start;
        gap: 1.5rem;
        align-items: center;
    }

    .business_number {
        font-size: 3rem;
    }

    .business_icon .material-symbols-outlined {
        width: 4.5rem;
        height: 4.5rem;
        font-size: 2.25rem;
        border-radius: 0.75rem;
    }

    .business_title {
        font-size: 1.5rem;
    }

    .business_description {
        font-size: 1rem;
    }

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

/* 小型スマートフォン */
@media (max-width: 420px) {
    .business_intro .section_title {
        font-size: 1.5rem;
    }

    .business_number {
        font-size: 2.25rem;
    }

    .business_icon .material-symbols-outlined {
        width: 3.5rem;
        height: 3.5rem;
        font-size: 1.75rem;
    }

    .business_title {
        font-size: 1.25rem;
    }

    .business_item {
        margin-bottom: 3rem;
        padding-bottom: 3rem;
    }
}