@charset "UTF-8";

/*** main ***/

.usecase_Main_Container {
    width: 100%;
    background: #fff;
    color: #404040;
}

.usecase_Main_Inner {
    width: 90%;
    max-width: 1080px;
    margin: 0 auto;
}


/*** section ***/

.usecase_Section_Container {
    padding: 165px 0 0;
}


/*** title ***/

#usecase>h1 {
    margin-bottom: 40px;
    width: 500px;
}

#usecase>h1>span {
    height: 46px;
    display: block;
}


/*** AgeList ***/

.usecase_AgeList_Container {
    display: flex;
    display: -ms-flexbox;
    /* IE10 */
    display: -webkit-box;
    /* Android4.3以下、Safari3.1〜6.0 */
    display: -webkit-flex;
    /* Safari6.1以降 */
    justify-content: space-between;
    -ms-flex-pack: justify;
    /*IE10*/
    -webkit-box-pack: justify;
    /* Android4.3以下、Safari3.1〜6.0 */
    -webkit-justify-content: space-between;
    /* Safari6.1以降 */
    width: 400px;
    margin: 0 auto 60px;
    font-size: 24px;
}

.usecase_AgeList_AgeDetail a {
    text-decoration: none;
    color: #404040;
}

.usecase_AgeList_AgeDetail a::after {
    display: block;
    width: 0;
    height: 2px;
    background-color: #579C3B;
    content: '';
}

.usecase_AgeList_AgeDetail a:hover::after {
    width: 100%;
    height: 2px;
    transition: width .5s ease;
}


/*** ProductAgeContent ***/

.usecase_ProductAgeContent_Container {
    width: 100%;
    margin: 0 auto 90px;
}

.usecase_productAgeContent_Title {
    font-size: 28px;
    color: #579C3B;
    text-align: center;
    background: none;
    font-weight: 400;
    padding-bottom: 0;
    margin: 0 auto 60px;
}

.usecase_productAgeContent_Title::before {
    content: '';
    display: block;
    width: 1px;
    height: 60px;
    background: #579C3B;
    margin: 0 auto 30px;
}


/*** Works ***/

.usecase_Works_Container {
    width: 100%;
    margin-bottom: 80px;
}

.usecase_Works_Title {
    width: 100%;
    padding-bottom: 20px;
    border-bottom: 1px solid #579C3B;
}

.usecase_Works_Title h2 {
    font-size: 36px;
}

.usecase_Works_Title p {
    font-size: 15px;
}

.usecase_Works_Title p span a {
    text-decoration: none;
    color: #009a0c;
}

.usecase_Works_Title p span a::before {
    font-family: "Font Awesome 5 Free";
    content: '\f35d';
    font-weight: 900;
    margin-right: 4px;
}


/*** WorksDetail ***/

.usecase_WorksDetail_Container {
    display: grid;
    display: -ms-grid;
    grid-template-rows: 1fr;
    -ms-grid-rows: auto;
    -ms-grid-columns: 1fr 278px;
    grid-template-columns: 1fr 278px;
    width: 100%;
    padding-top: 30px;
}


/*** WorksIntro ***/

.usecase_WorksIntro_Container {
    width: 100%;
    padding-right: 15px;
}

.usecase_WorksIntro_ImageGrid {
    display: flex;
    flex-direction: var(--direction, row);
    display: -ms-flexbox;
    /* IE10 */
    display: -webkit-box;
    /* Android4.3以下、Safari3.1〜6.0 */
    display: -webkit-flex;
    /* Safari6.1以降 */
}

.usecase_WorksIntro_ImageCell {
    width: var(--width, 50%);
}

.usecase_WorksIntro_ImageCell:first-child {
    padding-right: 5px;
}

.usecase_WorksIntro_ImageCell:nth-child(2) {
    padding-left: 5px;
}

.usecase_WorksIntro_Image {
    width: 100%;
    margin-bottom: 20px;
}

.usecase_WorksIntro_Introduction h3 {
    padding: 40px 0;
    font-size: 24px;
    font-weight: bold;
}

.usecase_WorksIntro_Introduction h3::before {
    content: '';
    width: 1px;
    height: 24px;
    border: 1px solid #404040;
    margin-right: 20px;
}

.usecase_WorksIntro_Introduction p {
    font-size: 16px;
}


/** embed YouTube's iframe ***/

.usecase_iframe-content-wrap {
    display: -webkit-box;
    display: box;
}

.usecase_iframe-content-block {
    -webkit-box-flex: 1;
    box-flex: 1;
}

.usecase_iframe-content {
    position: relative;
    width: 100%;
    padding: 57% 0 0 0;
}

.usecase_iframe-content iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}


/*** WorksInfo ***/

.usecase_WorksInfo_Container {
    -ms-grid-column: 2;
    -ms-grid-row: 1;
    width: 100%;
    padding-left: 10px;
}


/*** WorksInfoDetail ***/

.usecase_WorksInfoDetail_Container {
    width: 100%;
    margin-bottom: 40px;
}

.usecase_WorksInfoDetail_Title {
    font-size: 20px;
    font-weight: bold;
    padding-bottom: 15px;
    border-bottom: 1px solid #404040;
    margin-bottom: 20px;
}

.usecase_WorksInfoDetail_Content {
    font-size: 16px;
}

.usecase_WorksInfoDetail_ExternalLink a {
    text-decoration: none;
    color: #404040;
}

.usecase_WorksInfoDetail_ExternalLink::before {
    font-family: "Font Awesome 5 Free";
    content: '\f35d';
    font-weight: 900;
    margin-right: 4px;
    color: #579C3B;
}

.usecase_WorksInfoDetail_Image {
    width: 160px;
    height: auto;
    margin: 10px auto;
}


/*** Staff ***/

.usecase_Staff_Container {
    width: 100%;
    margin-bottom: 8px;
}

.usecase_Staff_Title::before {
    font-family: "Font Awesome 5 Free";
    content: '\f0c8';
    font-weight: 900;
    margin-right: 4px;
    color: #579C3B;
}


/*** pagetop ***/

.pagetop {
    position: relative;
    top: -10px;
}

.pagetop a {
    color: #404040;
}

@media (max-width: 680px) {
    /*** main ***/
    .usecase_Main_Container {
        width: 100%;
    }
    .usecase_Main_Inner {
        width: 100%;
        padding: 0 30px;
    }
    /*** section ***/
    .usecase_Section_Container {
        padding: 110px 0 0;
    }
    #usecase>h1 {
        margin-bottom: 20px;
        width: 200px;
    }
    #usecase>h1>span {
        width: 240px;
        height: 46px;
        display: block;
    }
    #usecase h1 span {
        height: 36px;
        text-align: initial;
        margin-left: -20px;
    }
    /*** AgeList ***/
    .usecase_AgeList_Container {
        width: 234px;
    }
    /*** productAgeContent ***/
    .usecase_productAgeContent_Title {
        font-size: 18px;
        margin: 0 auto 60px;
    }
    .usecase_productAgeContent_Title::before {
        height: 24px;
        margin: 0 auto 15px;
    }
    /*** Works ***/
    .usecase_Works_Title h2 {
        font-size: 16px;
        font-weight: bold;
        margin-bottom: 15px;
    }
    .usecase_Works_Title p {
        font-size: 14px;
    }
    /*** WorksDetail ***/
    .usecase_WorksDetail_Container {
        display: block;
        padding-top: 20px;
    }
    /*** WorksIntro ***/
    .usecase_WorksIntro_Container {
        padding-right: 0;
        margin-bottom: 35px;
    }
    .usecase_WorksIntro_ImageGrid {
        display: block;
    }
    .usecase_WorksIntro_ImageCell {
        width: 100%;
    }
    .usecase_WorksIntro_ImageCell:first-child {
        padding-right: 0;
    }
    .usecase_WorksIntro_ImageCell:nth-child(2) {
        padding-left: 0;
    }
    .usecase_WorksIntro_Image {
        margin-bottom: 10px;
    }
    .usecase_WorksIntro_Introduction h3 {
        font-size: 20px;
        padding: 30px 0;
    }
    .usecase_WorksIntro_Introduction h3::before {
        height: 20px;
    }
    /*** WorksInfo ***/
    .usecase_WorksInfo_Container {
        padding-left: 0;
    }
    /*** WorksInfoDetail ***/
    .usecase_WorksInfoDetail_Container {
        margin-bottom: 35px;
    }
    .usecase_WorksInfoDetail_Title {
        margin-bottom: 15px;
    }
    /*** pagetop ***/
    .pagetop {
        position: static;
        padding: 0 10px;
        margin-bottom: 15px;
    }
    .pagetop a {
        color: #404040;
    }
}