@charset "UTF-8";


/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 
 *  波背景
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#wave_img {
    width: 100vw;
    position: absolute;
    top: -30rem;
}

@media screen and (max-width:2000px) {
    #wave_img {
        top: -25rem;
    }
}

@media screen and (max-width:1800px) {
    #wave_img {
        top: -20rem;
    }
}

@media screen and (max-width:1500px) {
    #wave_img {
        top: -15rem;
    }
}

@media screen and (max-width:1200px) {
    #wave_img {
        top: -10rem;
    }
}

@media screen and (max-width:930px) {
    #wave_img {
        top: -5rem;
    }
}

@media screen and (max-width:768px) {
    #wave_img {
        width: auto;
        top: -20rem;
    }
}


/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 
 *  ファーストビュー
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#first_view .title_wrapper {
    padding-left: 20%;
}

#first_view p {
    color: white;
}

#first_view .bold {
    font-size: 2.75rem;
    font-weight: bold;
    line-height: 1.1em;
    padding-top: 2em;
}

#first_view .normal {
    font-size: 1rem;
    line-height: 1.5em;
}

@media screen and (max-width : 768px) {
    #first_view .title_wrapper {
        padding-left: 5%;
    }

}

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 
 *  メイン
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
main {
    display: block;
}

main .top_message,
main .research_subjects_wrapper {
    width: 100%;
    height: 100%;
    padding: 6rem 0;
}

main .research_subjects_wrapper {
    padding-top: 0;
    position: relative;
}

main .top_message .sentence {
    width: 50%;
    min-width: 700px;
    line-height: 1.5em;
    overflow-wrap: normal;
    padding-bottom: 1.5em;
    margin: 0 auto;
    padding: .5rem 1rem;
}

main .research_subjects_wrapper {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

main .research_subjects_wrapper .research_subect {
    position: relative;
    width: 280px;
    height: 90px;
    background-color: white;
    margin: 2.5rem .5rem;
}

.scroll_btn {
    cursor: pointer;
}

main .research_subjects_wrapper .research_subect .title {
    font-size: .8rem;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    -webkit-transform: translate(-50%, -50%);
    background-color: black;
    color: white;
    padding: .5rem 1.25rem;
}

main .research_subjects_wrapper .research_subect .discription {
    font-size: .8rem;
    line-height: 1.5em;
    text-align: center;
    font-weight: bold;
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    transform: translate(-50%, -50%);
    -webkit-transform: translate(-50%, -50%);
    padding: 2rem 0;
}

main .use_case {
    width: 100%;
    position: relative;
    max-width: 800px;
    margin: 0 auto 12rem;
}

main .use_case .case_num {
    background-color: #EAEAEA;
    border-radius: 5px;
    line-height: 1.2em;
    padding: .25em .5em;
    display: inline-block;
}

main .use_case .title {
    font-size: 2rem;
    line-height: 1.5em;
    font-weight: bold;
    margin: 1rem 3rem .75rem 0;
}

main .use_case .overview {
    color: white;
    font-size: 1.125rem;
    line-height: 1.25em;
    font-weight: bold;
    display: inline-block;
    padding: .5em 1em;
    margin-bottom: .75rem;
    background-color: #5F2DE8;
}

main .use_case .sentences {
    width: 80%;
    margin-bottom: 3rem;
}

main .use_case .sentences .sentence {
    line-height: 1.5rem;
    overflow-wrap: normal;
    margin-bottom: .5rem;
}

main .use_case .profile {
    border-left: 3px solid #5F2DE8;
    padding-left: 8px;
}

main .use_case .profile .class {
    line-height: 1.25em;
    padding: 1rem 0;
}

main .use_case .profile .name {
    font-size: 1.5rem;
    line-height: 1.25em;
    font-weight: bold;
}

main .use_case .profile .position {
    line-height: 1.25em;
    padding-bottom: 1rem;
}

main .use_case .additoinal_info {
    width: 80%;
    border: 1px solid black;
    border-radius: 12px;
    margin-top: 3rem;
    margin-bottom: 5rem;
}

main .use_case .additoinal_info .head {
    font-size: 1.25rem;
    line-height: 1.25em;
    margin: .75em 1em;
    padding-bottom: .25em;
    border-bottom: 1px solid black;
}

main .use_case .additoinal_info .content {
    font-size: 1rem;
    line-height: 1.5em;
    padding: .25em 1em 1.5em 1em;
    overflow-wrap: normal;
}

main .use_case .case_figure_wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #F0ECF7;
}

main .use_case .case_figure_wrapper img.case_figure {
    height: 400px;
    max-width: 100%;
    padding: 2rem;
}

@media screen and (max-width : 768px) {
    main .use_case .title {
        margin: 1rem 0;
    }

    main .top_message .sentence {
        width: 100%;
        min-width: auto;
    }

    main .use_case .sentences {
        width: 100%;
    }

    main .use_case .additoinal_info,
    main .use_case .sentences {
        margin-right: auto;
        margin-left: auto;
    }

    main .use_case .case_figure {
        position: static;
        display: block;
        transform: none;
        -webkit-transform: none;
        -ms-transform: none;
        margin: 1rem auto;
    }

    main .use_case .additoinal_info {
        width: 100%;
    }

    main .use_case .case_figure_wrapper img.case_figure {
        padding: 1rem;
        max-height: 300px;
    }
}