html,
body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

.about_img_tb,
.about_img_pc,
.about_img_pc_1200 {
    display: none;
}

a {
    text-decoration: none;
}

ul {
    list-style: none;
    padding: 0;
}

p {
    margin: 0;
}

.about_img {
    list-style: none;
    padding: 0;
    margin: 0;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin-top: 80px;
}

.about_img li {
    width: 100%;
}

.about_img li img {
    width: 100%;
}

main {
    width: 100%;
}

#about {
    padding-top: 140px;
}

h2 {
    text-align: center;
    margin: 0;
    padding: 0;
    color: #03453D;
    font-size: 26px;
    letter-spacing: 3px;
    font-family: joanna-nova, sans-serif;
    font-weight: 300;
    font-style: normal;
    font-weight: 100;
}

h4 {
    font-family: YakuHanMP, "Yu Mincho", YuMincho, "Hiragino Mincho ProN", "Noto Serif JP", serif;
    font-weight: 300;
    font-style: normal;
    text-align: center;
    margin: 0;
    padding: 0;
    letter-spacing: 1px;
    color: #A5A5A5;
}

.about_txt {
    width: 81%;
    margin: 0 auto;
    margin-top: 80px;
    font-size: 14px;
    text-align: center;
    letter-spacing: 2px;
    line-height: 190%;
    color: #262626;
    font-family: YakuHanMP, "Yu Mincho", YuMincho, "Hiragino Mincho ProN", "Noto Serif JP", serif;

}

#company {
    margin-top: 80px;
}

.company_ttl_area {
    text-align: center;
}

.company_ttl {
    font-size: 26px;
    color: #03453D;
    font-size: 26px;
    letter-spacing: 3px;
    font-family: joanna-nova, sans-serif;
}

.company_ttl_vice {
    font-size: 14px;
    letter-spacing: 3px;
    color: #A5A5A5;
    font-family: YakuHanMP, "Yu Mincho", YuMincho, "Hiragino Mincho ProN", "Noto Serif JP", serif;
}

.company_li {
    width: 81%;
    margin: 0 auto;
    margin-top: 40px;
}

.company_li_left {
    display: flex;
    flex-wrap: wrap;
    column-gap: 3%;
    align-items: center;
    width: 100%;

    border-bottom: 1px solid #A5A5A5;
    padding-bottom: 10px;
    margin-top: 35px;
}

.company_li_left_ttl {
    font-size: 14px;
    font-family: YakuHanMP, "Yu Mincho", YuMincho, "Hiragino Mincho ProN", "Noto Serif JP", serif;
    letter-spacing: 2px;
    color: #262626;
}

.company_li_left_eng {
    font-size: 12px;
    font-family: joanna-nova, sans-serif;
    color: #A5A5A5;
}

.company_li_right {
    margin-top: 10px;
}

.company_li_right_ttl {
    font-size: 14px;
    font-family: YakuHanMP, "Yu Mincho", YuMincho, "Hiragino Mincho ProN", "Noto Serif JP", serif;
    color: #262626;
    letter-spacing: 1px;
}

.company_li_right_eng {
    font-size: 12px;
    font-family: joanna-nova, sans-serif;
    color: #A5A5A5;

}

#contact {
    margin: 0 auto;
    margin-top: 80px;
    width: 81%;
}

.contact_txt {
    margin-top: 40px;
    font-size: 14px;
    letter-spacing: 2px;
    text-align: center;
    line-height: 200%;
    color: #262626;
    font-family: YakuHanMP, "Yu Mincho", YuMincho, "Hiragino Mincho ProN", "Noto Serif JP", serif;
}

.contact_btn {
    width: 200px;
    height: 48px;
    margin: 0 auto;
    margin-top: 40px;
    border-radius: 24px;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    column-gap: 5%;
}

.contact_btn p {
    margin: 0;
    font-size: 14px;
    font-family: joanna-nova, sans-serif;
    letter-spacing: 1px;

}

@media screen and (min-width:768px) {
    .about_img_tb {
        display: block;
    }

    .about_img {
        grid-template-columns: 1fr 1fr 1fr;
    }

    .about_txt {
        font-size: 16px;
        line-height: 200%;
    }

    iframe {
        height: 300px;
        width: 80%;
        margin: 0 auto;
        margin-top: 60px;
        display: flex;
    }

    h2 {
        font-size: 28px;
    }

    h4 {
        font-size: 15px;
    }

    .company_ttl {
        font-size: 28px;
    }

    .company_ttl_vice {
        font-size: 16px;
    }

    .company_li_left_ttl {
        font-size: 16px;
    }

    .company_li_left_eng {
        font-size: 14px;
    }

    .company_li_right_ttl {
        font-size: 16px;
    }

    .company_li_right_eng {
        font-size: 14px;
    }

    .contact_txt {
        font-size: 16px;
    }
}

@media screen and (min-width:1024px) {

    h2,
    .company_ttl {
        font-size: 32px;
    }

    #about h2 {
        font-size: 45px;
    }

    h4 {
        font-size: 18px;
    }

    #about {
        padding-top: 200px;
    }

    .about_txt {
        margin-top: 80px;
        width: 60%;
    }

    .about_img_pc {
        display: block;
    }

    .about_img {
        grid-template-columns: 1fr 1fr 1fr 1fr;
        width: 110%;
    }

    #company {
        width: 90%;
        display: grid;
        grid-template-columns: 1fr 1.2fr;
        align-items: center;
        margin: 0 auto;
        margin-top: 80px;
    }

    h4 {
        margin-top: 30px;
    }

    .company_li_left {
        margin-top: 40px;
    }

    .company_ttl_vice {
        margin-top: 20px;
    }

    #contact {
        margin-top: 120px;
    }
}

@media screen and (min-width:1200px) {
    .about_img_pc_1200 {
        display: block;

    }

    .about_img {
        grid-template-columns: 1fr 1fr 1fr 1fr 1fr;
    }
}

@media screen and (min-width:1400px) {

    .about_txt,
    #company {
        max-width: 1100px;
    }

}