/* section title */

.section_title{
    font-family: var(--roboto);
    font-size: 7rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    display: flex;
    flex-flow: column;
    gap: 2rem;
    padding: 6rem 0 7rem;
    border-top: solid 0.105rem #fff;
}

.section_title .sub_title{
    font-family: var(--hiragino);
    font-size: 2.2rem;
    font-weight: 600;
}


/* about ---------------------------------------------------*/

.about_content{
    display: flex;
    align-items: start;
}

.about_headline{
    position: sticky;
    padding: 10rem 0;
    top: 4rem;
    flex: 1;
}

.about_headline ul{
    display: flex;
    flex-flow: column;
    gap: 2.5rem;
}

.about_headline a{
    color: #fff;
    font-family: var(--roboto);
    font-size: 2rem;
    font-weight: 600;
    display: block;
    opacity: 0.5;
    transition: 0.3s;
}

.about_headline a.active{
    opacity: 1;
    position: relative;
    transform: translateX(2rem);
}

.about_headline a.active::before{
    content: "";
    width: 1rem;
    height: 0.105rem;
    background: #fff;
    position: absolute;
    left: -2rem;
    top: 50%;
}

.about_inner{
    flex: 2.9;
}

.message .section_title{
    border: none;
}

.message_content{
    font-size: 2rem;
    font-weight: 600;
    line-height: 2.2;
}

.profile_content{
    display: flex;
    align-items: center;
    gap: 7.5rem;
}

.profile_img{
    border-radius: 1rem;
    overflow: hidden;
    flex: 1;
}

.profile_text{
    border-radius: 1rem;
    overflow: hidden;
    flex: 1.4;
}

.profile_text h3{
    display: flex;
    flex-flow: column;
    gap: 2rem;
    font-size: 4.4rem;
    font-weight: 600;
    margin-bottom: 5rem;
}

.profile_text h3 span{
    font-family: var(--roboto);
    font-size: 1.4rem;
    font-weight: 600;
}

.profile_inner{
    display: flex;
    flex-flow: column;
    gap: 2.5rem;
}

.profile_row{
    display: flex;
    align-items: center;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.profile_label{
    width: 18rem;
}

.career_content{
    display: flex;
    flex-flow: column;
    gap: 3rem;
}

.career_item{
    display: flex;
    align-items: center;
}

.career_year{
    width: 16rem;
    font-family: var(--roboto-c);
    font-size: 5rem;
    font-weight: 600;
}

.career_detail{
    font-weight: 600;
    line-height: 1.5;
}

.vision_content{
    display: flex;
    flex-flow: column;
    gap: 3.5rem;
}

.vision_inner{
    padding-bottom: 3.5rem;
    border-bottom: solid 0.105rem #fff;
}

.vision_inner:nth-child(3) {
    padding-bottom: 0;
    border: none;
}

.vision_inner > span{
    display: block;
    font-size: 2rem;
    font-weight: 600;
}

.vision_inner h3{
    font-family: var(--roboto);
    font-size: 5.4rem;
    font-weight: 900;
    letter-spacing: 0.02em;
    display: flex;
    flex-flow: column;
    gap: 2rem;
    margin: 3rem 0 4.5rem;
}

.vision_inner h3 span{
    font-family: var(--hiragino);
    font-size: 2.2rem;
}

.vision_inner p{
    font-weight: 600;
    line-height: 1.5;
}

.overview_content{
    display: flex;
    flex-flow: column;
    gap: 3rem;
}

.overview_item{
    display: flex;
    line-height: 1.5;
}

.overview_label{
    font-weight: 600;
    width: 14rem;
    padding: 0 1rem 3rem;
    border-bottom: solid 0.105rem #fff;
}

.overview_detail{
    width: 100%;
    padding: 0 1rem 3rem;
    border-bottom: solid 0.105rem rgb(255 255 255 / 40%);
}



/* corporate ---------------------------------------------------*/



@media (max-width: 1024px) {
    .profile_content{
        gap: 6rem;
    }

    .profile_label{
        width: 12rem;
    }
}


@media (max-width: 767px) {
    .about_inner section{
        padding: 6rem 0;
        border-bottom: solid 0.105rem #fff;
    }

    .about_inner section:last-child{
        border: none;
    }

    .about_headline{
        display: none;
    }

    .section_title{
        font-size: 4.8rem;
        padding: 0 0 6rem;
        gap: 1.5rem;
        border: none;
    }

    .section_title .sub_title{
        font-size: 1.4rem;
    }

    .profile_content{
        flex-flow: column;
        gap: 4rem;
    }

    .profile_img{
        width: 100%;
    }

    .profile_img img{
        height: 34rem;
        object-fit: cover;
    }

    .profile_text{
        width: 100%;
    }

    .profile_text h3{
        font-size: 4rem;
        gap: 1.5rem;
        margin-bottom: 5rem;
    }

    .profile_label{
        width: 13rem;
    }

    .career_year{
        width: 12rem;
        font-size: 3.6rem;
        flex-shrink: 0;
    }

    .vision_inner h3{
        font-size: 4rem;
        margin: 2.5rem 0 4rem;
    }

    .vision_inner h3 span{
        font-size: 1.8rem;
    }

    .vision_inner p{
        font-size: 1.4rem;
    }

    .overview_label{
        flex-shrink: 0;
        width: 12rem;
    }
}