.about-container {
    width: 150rem;
    margin: 10rem auto;
}

.about-banner {
    display: flex;
    justify-content: center;
    position: relative;
    padding-bottom: 28rem;
}

.about-banner__text {
    position: relative;
    width: 43.5rem;
    color: #B9B9B9;
    font-weight: 500;
    font-size: 4.4rem;
    line-height: 5rem;
    text-align: center;
}

.quot {
    position: absolute;
}

.quot--open {
    top: 0;
    left: 0;
}

.quot--end {
    bottom: 0;
    right: 0;
}

.about-banner__img-left, .about-banner__img-right {
    width: 22rem;
    height: 14.8rem;
    object-fit: contain;
    display: block;
    position: absolute;
}

.about-banner__img-left {
    top: 23.8rem;
    left: 26.5rem;
}

.about-banner__img-right {
    top: 13rem;
    right: 22rem;
}

.about-banner__bottom {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding-bottom: 3.3rem;
    border-bottom: 1px solid #E2E2E2;
}

.about-banner__short-text {
    margin-right: 3.5rem;
    font-size: 1.4rem;
    line-height: 1.8rem;
}

.about-banner__logo img {
    width: 21rem;
    height: 4.3rem;
    object-fit: contain;
}

.about-article {
    display: flex;
    justify-content: space-between;
    margin-top: 8.5rem;
}

.about-article__title {
    font-size: 4rem;
    line-height: 5rem;
    width: 24.5rem;
}

.about-article__col {
    width: 47.5rem;
    font-size: 1.6rem;
    line-height: 2rem;
    color: #565656;
}

.about-article__col p {
    margin-bottom: 2.5rem;
}

.about-indicator {
    margin-top: 22rem;
}

.about-indicator__desc {
    font-weight: 500;
    font-size: 2rem;
    line-height: 3.8rem;
    margin-bottom: 2.5rem;
}

.about-indicator__title {
    font-size: 4.4rem;
    line-height: 1.1;
    font-weight: 500;
    margin-bottom: 4rem;
}

.about-indicator__text-wrap {
    margin-bottom: 13rem;
}

.about-indicator__text-title {
    color: #EE3226;
    display: flex;
    justify-content: left;
    align-items: center;
    font-weight: 500;
    font-size: 2rem;
    line-height: 3.8rem;
    margin-bottom: 1rem;
}

.about-indicator__red-line {
    background-color: #EE3226;
    width: 5.5rem;
    height: 0.4rem;
    margin-right: 3.3rem;
}

.about-indicator__text {
    font-size: 1.6rem;
    line-height: 2.8rem;
    color: #606060;
    padding-left: 8.8rem;
}

@media (max-width: 48em) {
    .about-container {
        width: auto;
        margin: 12rem 4rem 0;
    }
    .about-banner {
        padding: 28rem 0;
        margin-bottom: 18rem;
    }
    .about-banner__img-left, .about-banner__img-right {
        width: 29rem;
        height: 20rem;
    }
    .about-banner__img-right {
        top: 0;
        right: 0;
    }
    .about-banner__img-left {
        left: 0;
        top: initial;
        bottom: 0;
    }
    .about-banner__bottom {
        justify-content: space-between;
        padding-bottom: 6rem;
    }
    .about-banner__logo img {
        width: 42rem;
        height: 8.6rem;
    }
    .about-banner__short-text {
        font-size: 3rem;
        line-height: 4rem;
    }
    .about-article {
        margin-top: 24rem;
        display: block;
    }
    .about-article__title {
        width: auto;
        font-size: 5.6rem;
        line-height: 1;
        margin-bottom: 7rem;
    }
    .about-article__col {
        width: auto;
        font-size: 3rem;
        line-height: 3.8rem;
    }
    .about-indicator__desc {
        font-size: 3.6rem;
        line-height: 4.4rem;
        margin-bottom: 4rem;
    }
    .about-indicator__title {
        font-size: 6rem;
        line-height: 1.1;
        margin-bottom: 8rem;
    }
    .about-indicator__red-line {
        width: 6rem;
        height: 0.8rem;
        margin-right: 3rem;
    }
    .about-indicator__text-title {
        font-size: 3.6rem;
        line-height: 1.2;
        margin-bottom: 3rem;
    }
    .about-indicator__text {
        padding-left: 9rem;
        font-size: 3rem;
        line-height: 1.4;
    }
    .about-indicator__text-wrap {
        margin-bottom: 24rem;
    }
}

.header__nav-items li{
    position: relative;
}
.header__nav-item.has-submenu > .submenu {
    display: none;
    position: absolute;
    background-color: white;
    padding: 15px 20px;
    z-index: 10;
    flex-direction: column;
    gap: 5px;
    top: 100%;
    left: 0;
    align-items: flex-start;
    text-wrap: nowrap;
}

.header__nav-item.has-submenu:hover > .submenu {
    display: flex;
}

.mobile-menu__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-menu__item {
    border-bottom: 1px solid #ddd;
    position: relative;
}

.mobile-menu__link,
.mobile-menu__item > span {
    display: block;
    padding: 15px;
    color: #333;
    text-decoration: none;
}

.mobile-menu__item.has-submenu > .mobile-menu__link::after,
.mobile-menu__item.has-submenu > span::after {
    content: "▼";
    float: right;
    font-size: 12px;
    transition: transform 0.3s;
}

.mobile-submenu {
    display: none;
    list-style: none;
    padding-left: 20px;
    background: #f9f9f9;
}

.mobile-submenu__item {
    border-bottom: 1px solid #eee;
}

.mobile-submenu__link {
    display: block;
    padding: 12px;
    color: #555;
    text-decoration: none;
    font-size: 14px;
}

.mobile-menu__item.open > .mobile-submenu {
    display: block;
}

.mobile-menu__item.open > .mobile-menu__link::after,
.mobile-menu__item.open > span::after {
    transform: rotate(180deg);
}