@media screen and (max-width: 768px){
    /*============
    共通
    =============*/
    .section__ttl{
        font-size: max(22px,4.4vw);
    }
    .section__ttl-en{
        letter-spacing: 0.24em;
        font-family: "Zen Kaku Gothic New", sans-serif;
        font-weight: 600;
        font-size: max(12px,2.6vw);
    }
    .br_pc{
        display: none;
    }
    .br_sp{
        display: block;
    }
    .inline_block{
        display: inline-block;
    }

    /*============
    MV
    =============*/
    .mv__content{
        position: relative;
    }
    .mv__ttl01{
        font-size: 2.8vw;
    }
    .mv__ttl02{
        font-size: 5vw;
    }
    .mv__logo-center{
        padding-bottom: 5%;
        width: 30%;
    }
    .mv__logo-bottom{
        width: 20%;
    }
    .mv__contact{
        top: 4vw;
        right: 3vw;
        font-size: 10px;
    }
    /*============
    ABOUT US
    =============*/
    .about-us{
        padding-top: 30px;
        padding-bottom: 30px;
    }
    .about-us__content__inner{
        flex-direction: column;
        row-gap: 3vw;
    }
    .about-us__content01-image{
        width: 100%;
    }
    .about-us__content01-textarea{
        width: 100%;
        font-size: max(3vw,15px);
    }
    .about-us::before{
        width: 20%;
        height: 100%;
        aspect-ratio: auto;
        background: url(../img/circle_bg_left.png) no-repeat center / cover;
    }
    .about-us::after{
        width: 20%;
        height: 100%;
        aspect-ratio: auto;
        background: url(../img/circle_bg_right.png) no-repeat center / cover;
    }
    /*============
    THREE IMAGES
    =============*/
    .three-images{
        padding-top: 8vw;
        padding-bottom: 8vw;
    }
    .three-images__content{
        flex-direction: column;
        row-gap: 7vw;
    }
    .three-images_item{
        width: 100%;
    }
    .three-images__image{
        margin-bottom: 3vw;
    }
    .three-images__ttl{
        margin-bottom: 0.2em;
        text-align: center;
        font-size: max(4vw,18px);
    }
    .three-images__text{
        padding: 0;
        font-size: max(3vw,14px);
    }
    /*============
    FEATURE
    =============*/
    .feature .inner{
        width: 88%;
    }
    .feature__content-item{
        flex-wrap: wrap;
        flex-direction: column;
    }
    .feature__content-item{
        padding: max(5%,20px);
    }
    .feature__image{
        margin-bottom: 5vw;
        width: 100%;
    }
    .feature__textarea{
        margin-bottom: 3vw;
        width: 100%;
    }
    .feature__textarea h3{
        font-size: max(4.4vw,22px);
    }
    .feature__item-materials{
        margin-right: 0;
        font-size: max(3.4vw,12px);
    }
    .feature__item-text{
        font-size: max(3.7vw,14px);
    }
    .feature__item-num{
        font-size: max(10vw,50px);
    }
    /*============
    challenge
    =============*/
    .challenge__ttl{
        margin-bottom: 18px;
        text-align: center;
        line-height: 1.4;
        letter-spacing: 0.2em;
        color: var(--mainColor);
        font-size: max(4.4vw,26px);
    }
    .challenge__text{
        padding: 0;
        font-size: max(3vw,15px);
    }
    /*============
    challenge-02
    =============*/
    .challenge-list{
        width: 100%;
    }
    .challenge-list li{
        padding: 0.8em 1em 1em 1em;
        font-size: max(3vw,15px);
        line-height: 1.4;
    }
    .challenge-02__bottom-text{
        line-height: 1.4;
        font-size: max(3.7vw,16px);
    }
    /*============
    CV
    =============*/
    .cv{
        padding-top: 6vw;
        padding-bottom: 6vw;
    }
    .cv__content{
        padding: 5% 5%
    }
    .cv__top{
        font-size: max(3vw,12px);
    }
    .cv__bottom{
        flex-direction: column;
        align-items: center;
        row-gap: 3vw;
    }
    .tel-num-wrap{
        justify-content: center;
    }
    .tel-num{
        font-size: max(6vw,24px);
    }
    .tel-icon{
        width: max(6vw,24px);
    }
    .tel-num-bottom-text{
        font-size: max(10px,2vw);
    }
    .cv__contact{
        width: 60%;
        min-width: 200px;
        justify-content: center;
        font-size: max(3.4vw,14px);
    }
    /*============
    FOOTER
    =============*/
    .footer__content{
        flex-direction: column;
        row-gap: 3vw;
    }
    .footer__company {
        width: 100%;
        padding: 7% 3%;
    }
    .footer_add,
    .footer__fax,
    .footer__tel,
    .footer__link{
        font-size: max(1.8vw,12px);
    }
    }

    @media screen and (max-width: 600px){
    /*============
    FOOTER
    =============*/
    .footer{
        padding-top: 7vw;
        padding-bottom: 7vw;
    }
    .footer__company{
        flex-direction: column;
        row-gap: 5vw;
        align-items: center;
    }
    .footer__logo{
        width: 60%;
    }

    .footer_add{
        font-size: max(3vw,13px);
    }
    .footer__fax,
    .footer__tel,
    .footer__link{
        font-size: max(3.4vw,14px);
    }
    .footer__tel-icon,
    .footer__map-icon,
    .footer__fax-icon{
    width: max(15px,2vw); 
    }
    .footer__link{
        font-size: max(3vw,11px);
    }



    /*
    ------------------------------------------------------
    お問い合わせページ
    ------------------------------------------------------
    */

    .contact_mv_section{

    }


    .contact_mv_section .contact_mv .site_logo{
        max-width:200px;
    }

    .contact_mv_section .contact_title{
        min-height: 80px;
        padding:16px 0;
    }

    .contact_mv_section .contact_title h1{
        font-size: 20px;
    }

    .contact_form_section{
        padding:80px 0;
    }

    .contact_form_section .container{
        max-width: 600px;
        margin:0 auto;
        padding:0 20px;
    }

    .contact_form_section .contact_text{
        line-height: 1.5;
    }

    .contact_form_section .form_frame{
        margin-top: 56px;
    }

    .contact_form_section .form_line{
        display: flex;
        position: relative;
        flex-direction: column;
        /* padding:10px 0; */
    }


    .contact_form_section .form_left{
        width:100%;
        padding:10px;
    }

    .contact_form_section .form_label{
        min-height: 40px;

    }


}/*@media screen and (max-width: 768px){*/