#business-mission {
    background-color: #ffffff;
    padding: 96px 0;
}
#business-mission .mission-text {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 80px;
    font-size: 1.125rem;
    line-height: 2;
    color: var(--text-light);
}
#business-mission .highlight-underline {
    font-weight: 700;
    color: #0369a1;
    text-decoration: underline;
    text-decoration-color: #7dd3fc;
    text-decoration-thickness: 4px;
    text-underline-offset: 8px;
}
#business-mission .approach-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}
#business-mission .approach-card {
    background: var(--white);
    border-radius: 24px;
    border: 1px solid #f1f5f9;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: box-shadow 0.3s ease;
}
#business-mission .approach-card .thumb img {
    border-radius: 24px 24px 0 0;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}
#business-mission .approach-card:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}
#business-mission .approach-card .txt {
    padding: 30px 40px 16px 40px;
}
#business-mission .card-icon-title {
    display: flex;
    align-items: center;
    margin-bottom: 24px;
}
#business-mission .icon-box {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 16px;
}
#business-mission .bg-sky { background-color: #e0f2fe; }
#business-mission .bg-teal { background-color: #ccfbf1; }
#business-mission .approach-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
}
#business-mission .approach-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
#business-mission .approach-list li {
    margin-bottom: 24px;
}
#business-mission .list-label {
    display: block;
    font-weight: 700;
    color: var(--primary-blue);
    font-size: 0.875rem;
    margin-bottom: 4px;
}
#business-mission .list-desc {
    font-size: 0.875rem;
    color: var(--text-light);
}
@media screen and (max-width: 768px) {
    #business-mission {
        padding: 40px 0;
    }
    #business-mission .mission-text {
        font-size: 1rem;
    }
}

#business-contents {
    padding: 80px 0;
}
#business-contents .business-item {
    position: relative;
    padding: 80px 0;
    display: flex;
    flex-direction: column;
    gap: 48px;
}
#business-contents .business-item:nth-child(2n) {
    flex-direction: row-reverse;
}
#business-contents .bg-decoration-text {
    font-size: 14vw;
}
#doboku .bg-decoration-text,
#event .bg-decoration-text {
    top: -40px;
    left: -20px;
}
#event .bg-decoration-text {
    top: -40px;
    right: -20px;
    text-align: right;
}
@media (min-width: 768px) {
    #business-contents .business-item {
        flex-direction: row;
        align-items: center;
        gap: 96px;
    }
    #business-contents .business-item.reverse {
        flex-direction: row-reverse;
    }
}
#business-contents .image-wrapper {
    flex: 1;
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}
#business-contents .image-wrapper img {
    width: 100%;
    aspect-ratio: 5/3;
    object-fit: cover;
    transition: transform 0.7s ease;
    display: block;
}
#business-contents .image-wrapper:hover img {
    transform: scale(1.08);
}

#business-contents .text-wrapper {
    padding-right: 40px;
    flex: 0 0 40%;
}
#business-contents .business-item:nth-child(2n) .text-wrapper {
    padding-right: 0;
    padding-left: 40px;
}
#business-contents .section-index {
    font-family: 'Oswald', sans-serif;
    font-size: 5rem;
    color: rgba(0, 157, 212, 0.08);
    line-height: 0.8;
    margin-bottom: -1rem;
}
#business-contents .business-item h2 {
    font-size: 1.875rem;
    font-weight: 700;
    margin-bottom: 24px;
}
#business-contents .business-item p {
    line-height: 2;
    color: var(--text-light);
}
#business-contents .item-label {
    color: var(--primary-blue);
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 8px;
}
@media screen and (max-width: 768px) {
    #business-contents .business-item {
        width: calc(100% - 40px);
        margin: 0 auto;
        flex-direction: column;
        padding: 0;
        gap: 0;
        margin-bottom: 80px;
    }
    #business-contents .business-item .image-wrapper {
        margin-bottom: 40px;
    }
    #business-contents .business-item:nth-child(2n) {
        flex-direction: column;
    }
    #business-contents .business-item:nth-child(3) {
        margin-bottom: 0;
    }
    #event .bg-decoration-text {
        top: -40px;
        right: auto;
        left: -20px;
        text-align: left;
    }
    #business-contents .text-wrapper {
        padding-right: 0;
    }
    #business-contents .business-item:nth-child(2n) .text-wrapper {
        padding-left: 0;
    }
    #business-contents .business-item h2 {
        font-size: 1.6rem;
    }
}

@media (max-width: 767px) {
    .gradient-title { font-size: 2.5rem; letter-spacing: 0.15em; }
    .section-index { font-size: 3.5rem; }
    .sub-mv { padding: 120px 0 80px; }
}