@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.overview__tab-panel,
.overview__box {
    &[data-biz="innovation"] {
        --c-biz: var(--c-innovation);
    }
    
    &[data-biz="new-business"] {
        --c-biz: var(--c-new-business);
    }

    &[data-biz="global"] {
        --c-biz: var(--c-global);
    }
}

.overview__box {
    margin-block-end: 2.5rem;
}

.overview__header {
    padding: 1rem;
    position: relative;
    border-radius: 0.4375rem 0.4375rem 0 0;
    background-color: var(--c-biz);
    font-weight: 700;
    letter-spacing: 0.04em;
    text-align: center;
    color: var(--c-white);

    &:has(.overview__header__num) {
        @media (max-width: 767px) {
            display: flex;
            align-items: center;
            column-gap: 0.5rem;
            text-align: left;
        }
    }

    .overview__header__num {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 2rem;
        height: 2rem;
        border-radius: 0.125rem;
        background-color: var(--c-white);
        color: var(--c-biz);
        font-family: var(--f-en);
        font-weight: 600;
        line-height: 1;

        @media (max-width: 767px) {
            flex-shrink: 0;
        }

        @media (min-width: 768px) {
            position: absolute;
            left: 1rem;
            top: calc(50% - 1rem);
        }

    }
}

.overview__body {
    padding: 2.88rem 3.88rem 3rem;
    border-radius: 0 0 0.4375rem 0.4375rem;
    background-color: var(--c-gray-100);
    @media (max-width: 1023px) {
        padding-inline: 1.25rem;
    }

    p {
        font-size: 0.875rem;
        line-height: 1.57;
        letter-spacing: 0.04em;
    }
}

.overview__title {
    margin-block-end: 0.5rem;
    padding-inline-start: 1rem;
    font-weight: 500;
    line-height: 1.68;
    letter-spacing: 0.04em;
    border-left: 0.3125rem solid var(--c-biz);

    span {
        font-size: 0.75em;
    }
}

.overview__details {
    margin-block-start: 1.5rem;

    .overview__details__toggle {
        padding: 0.81rem 0.69rem;
        position: relative;
        border-radius: 0.1875rem;
        background-color: var(--c-biz);
        font-size: 0.9375rem;
        font-weight: 500;
        text-align: center;
        letter-spacing: 0.06em;
        color: var(--c-white);
        list-style: none;
        cursor: pointer;

        &::-webkit-details-marker {
            display: none;
        }
        &::marker {
            display: none;
        }

        @media (hover: hover) {
            transition: filter 0.3s ease-out;
            will-change: filter;
            &:hover {
                filter: brightness(90%);
            }
        }
    }

    .details__icon {
        display: flex;
        align-items: center;
        justify-content: center;
        flex-direction: column;
        width: 1.3125rem;
        height: 1.3125rem;
        position: absolute;
        top: 50%;
        right: 0.69rem;
        translate: 0 -50%;
        border-radius: 50%;
        background-color: var(--c-white);

        span {
            display: inline-block;
            width: 0.625rem;
            height: 2px;
            border-radius: 100vmax;
            background-color: var(--c-biz);

            &:nth-of-type(2) {
                rotate: 90deg;
                margin-block-start: -2px;
            }
        }
    }

    .overview__details__contents {
        display: none;
        margin-block-start: 0.8rem;
    }

    &[open] {
        .details__icon span:nth-of-type(2) {
            display: none;
        }

        .overview__details__contents {
            display: block;
            animation: fadeIn 0.8s ease forwards;
        }
    }
}

.overview__details__list {
    display: grid;
    margin-block-start: 1.25rem;

    @media (max-width: 767px) {
        row-gap: 0.75rem;
    }

    @media (min-width: 768px) {
        grid-template-columns: repeat(2, 1fr);
    }

    .overview__details__inner {
        display: grid;
        row-gap: 0.75rem;
        align-self: flex-start;

        @media (min-width: 768px) {
            &:nth-of-type(odd) {
                padding-inline-end: 3.56rem;
                border-inline-end: 1px solid var(--c-border);
            }

            &:nth-of-type(even) {
                padding-inline-start: 3.56rem;
            }
        }

    }

    .overview__details__item {
        align-self: flex-start;
    }

    .overview__details__title {
        display: flex;
        align-items: center;
        column-gap: 0.62rem;
        padding-block-end: 0.69rem;
        font-weight: 500;
        border-block-end: 1px solid var(--c-border);

        &::before {
            content: "";
            width: 0.5rem;
            height: 0.5rem;
            border-radius: 50%;
            background-color: var(--c-biz);
        }
    }

    .overview__details__text {
        padding-block-start: 0.81rem;
        padding-inline-start: 1.12rem;

        @media (min-width: 768px) {
            border-block-start: 1px solid var(--c-border);
        }

    }

    .note {
        font-size: 0.75rem;
    }
}

.overview__table__wrapper {
    margin-block-start: 1rem;

    @media (min-width: 768px) {
        margin-block-start: 2.44rem;
        display: flex;
        column-gap: 1.25rem;
        align-items: center;
    }

    .overview__pict {
        @media (max-width: 767px) {
            width: fit-content;
            margin-block-end: 0.5rem;
            margin-inline: auto;
        }

        @media (min-width: 768px) {
            flex-shrink: 0;
            text-align: center;
            min-width: 7.96875rem;
        }

        *[data-biz="innovation"] & img {
            width: 7.96875rem;
        }

        *[data-biz="new-business"] & img {
            width: 7.34375rem;
        }

        *[data-biz="global"] & img {
            width: 3.625rem;
        }
    }
}

.overview__note__wrapper {
    margin-block-start: 1.38rem;
    width: fit-content;
    margin-inline: auto;

    .note {
        font-size: 0.75rem;
    }
}


.box--gray:has(.biz__title) {
    margin-block-end: 2.88rem;
}

.biz__title {
    font-size: 1.0625rem;
    font-weight: 500;
    letter-spacing: 0.0425rem;
    line-height: 1.3;
    text-align: center;

    > span {
        font-size: 1.65em;
        color: var(--c-accent);
        background: linear-gradient(transparent calc(100% - 6px),rgba(0,63,153,0.2) calc(100% - 6px));

        b {
            font-size: 1.46em;
            font-weight: 500;
        }
    }
}