/* ------ root ------ */

:root {

    /* アンファーブルー */
    --angfa_blue: #00B5E6;

    /* メインテキストカラー */
    --main_text_color: #111111;

    /* コンテンツ背景色_薄水色 */
    --contents_color_1: #DAEFF5;
    /* コンテンツ背景色_薄灰色 */
    --contents_color_2: #F0F0EE;

    /* フッター */
    --footer_color: #F0F0EE;

    /* スペース */
    --space_30: 20px;

}

/* ------ under_main_title ------ */
/* ------ under_main_title ------ */

.under_main_title {
    width: 100%;
    height: 230px;

    background: var(--contents_color_2);

    text-align: center;

    display: flex;
    justify-content: center;
    align-items: center;

    color: #3d3d3d;
}

/* ------ under_contents_wrap ------ */
/* ------ under_contents_wrap ------ */

.under_contents_wrap {
    width: 100%;
    height: auto;

    padding: 0 0;
    padding-top: 0;
    padding-bottom: 1px;
    margin-top: var(--space_30);
    margin-bottom: var(--space_30);

    background: var(--contents_color_2);
}

/* ------ under_contents ------ */
/* ------ under_contents ------ */

.under_contents {
    width: 100%;
    height: auto;

    margin: 0 auto;
    margin-top: var(--space_30);
}

.under_contents > h1 {
    margin: 0;
    margin-bottom: 30px;
    line-height: 150%;
}

.video_wrap {
    width: 700px;
    margin: 0;
    margin-right: 30px;
}

.video_wrap > div {
    height: 0;
    width: 100%;
    padding: 56% 0 0 0;
    position: relative;
}

.video_wrap > div > div {
    height: 100%;
    width: 100%;

    position: absolute;
    top: 0;
    left: 0;
}

.video_wrap > div > div > iframe {
    height: 100%;
    width: 100%;
}



.video_sub_text {
    width: 900px;
    height: 150px;
    background: var(--angfa_blue);

    margin: 0 auto;
    margin-top: 0px;
    margin-bottom: 20px;

    display: flex;
    justify-content: center;
    align-items: center;
}

.video_sub_text > p {
    color: white;
    font-size: 1.5rem;
    padding: 0 60px;
    letter-spacing: 3px;
}

.under_contents > div > h2 {
    font-size: 1.2rem;
    font-weight: normal;
    line-height: 150%;
    padding: 0;
    margin: 0;
}

.video_sub_mini_text {
    width: 80%;
    margin: 0 auto;
}

.video_sub_mini_text > p {
    line-height: 200%;
    letter-spacing: 3px;
    margin: 30px 0;

    font-size: 1.5vw;
    font-weight: normal;
}

.under_about_contents {
    width: 100%;
    height: auto;

    display: flex;
    opacity: 0;

    /*border-bottom: 1px solid rgba(0, 0, 0, 0.1);*/

    padding: 15px 0;

    transition: all 0.5s ease;
}

.video_time_wrap {
    width: 900px;
}

.time_btns {
    width: 100%;
    display: flex;
    justify-content: flex-start;
}

.t_btn {
    width: 260px;
    padding: 5px 0;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 20px;
    cursor: pointer;

    position: relative;
    
    transition: all 0.2s ease;
}

.t_btn:hover{
    background: rgba(255,255,255,0.2);
}

.t_btn:active{
    background: rgba(0,181,230,0.6);
}


.t_btn > p {
    color: white;
    margin-right: 20px;
    margin: 0;
    margin-top: 17px;
    margin-right: 15px;
    margin-bottom: 15px;
}


/* ------ under_about_left ------ */
/* ------ under_about_left ------ */

.under_about_left {
    color: #3d3d3d;
    width: 350px;

    background: none;
}

/* ------ under_about_right ------ */
/* ------ under_about_right ------ */

.under_about_right {
    color: #3d3d3d;
    width: 850px;

    background: none;
}

.under_about_right > div {
    display: flex;
}

.under_about_right_one {
    width: 200px;
}

.under_about_right_border {
    border-top: rgba(0, 0, 0, 0.1) solid 1px;

    display: block;
}

.under_about_right > h2 {
    margin-bottom: 10px;
}

.under_about_right_explain {
    margin-top: 0;
    margin-bottom: var(--space_30);
}

.under_main_site_wrap {
    width: 100%;
    height: auto;
    padding-bottom: var(--space_30);

    background: var(--contents_color_1);

    text-align: center;

    color: #3d3d3d;
}

.under_main_site_wrap > h1 {
    padding-top: 50px;
    margin-top: 0;

    font-size: 4em;
}

.under_main_site_other {
    width: 1200px;
    height: auto;

    padding: var(--space_30) 0;
    margin: 0 auto;

    display: flex;
    justify-content: space-between;
}

.bridge_contents_wrap {
    margin: 0 auto;
    width: 900px;

    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}

.bridge_content {
    width: 400px;
    height: auto;

    margin-bottom: 50px;

}

.bridge_content > h2 {
    font-size: 2rem;
    font-weight: bold;
    letter-spacing: 3px;
    margin-bottom: 15px;
}

.bridge_movie {
    width: 400px;
    height: 400px;

    background: var(--angfa_blue);
}

.site_about {
    width: 250px;
    height: 250px;

    border-radius: 15px;

    background: var(--angfa_blue);

    overflow: hidden;
}

.site_about_img {
    width: 250px;
    height: 150px;

    background: gray;
}

.site_about_txt {
    width: 250px;
    height: 100px;

    background: lightgray;
}

.corporate_txt_h1 {
    display: none;
}

.corporate_txt_h4 {
    display: none;
}

.firstview_text_hidden {
    display: none;
}

.b_target {
    width: 100%;
    height: 100%;

    position: absolute;
}

.bridge_blue_wrap {
    width: 100%;
    height: auto;
    padding: 30px 0;
    padding-bottom: 1px;
    background: var(--angfa_blue);
}

.bridge_blue_video_wrap {
    width: 95%;
    height: auto;
    margin: 0 auto;

    display: flex;
    justify-content: center;
}

.bridge_blue_text_wrap {
    width: 35%;
    height: auto;
    padding: 0 2%;
    margin-left: 0;

    color: white;
}

.bridge_blue_text_wrap > h2 {
    font-size: 2vw;

    line-height: 160%;
    letter-spacing: 3px;
}

.bridge_blue_text_wrap > p {
    font-size: 1.3vw;

    line-height: 180%;
    letter-spacing: 3px;

    font-weight: normal;
}

.bridge_times {
    width: 100%;
    padding: 10px 0;
    margin: 20px 0;

    background: #005A72;
    display: flex;
    justify-content: center;
}









@media screen and (max-width: 640px) {


    /* ------ under_main_title ------ */
    /* ------ under_main_title ------ */

    .under_main_title {
        width: 100%;
        height: 200px;
    }

    .under_main_title > h1 {
        font-size: 2em;
    }

    /* ------ under_contents_wrap ------ */
    /* ------ under_contents_wrap ------ */

    .under_contents_wrap {
        width: 100%;
        height: auto;

        padding: 0 0 40px 0;
        margin-top: var(--space_30);
        margin-bottom: var(--space_30);

        background: var(--contents_color_2);
    }






    /* ------ under_contents ------ */
    /* ------ under_contents ------ */

    .under_contents {
        width: 90%;
        height: auto;

        margin: 0 auto;
        padding: 0;
    }

    .under_contents > h1 {
        margin: 0;
        margin-top: 30px;
        margin-bottom: 30px;
        line-height: 150%;
        font-size: 1.6em;
    }

    .video_wrap {
        width: 100%;
        margin: 0 auto;
    }

    .video_wrap > div {
        height: 0;
        width: 100%;
        padding: 60% 0 0 0;
        position: relative;
    }

    .video_wrap > div > div {
        height: 100%;
        width: 100%;

        position: absolute;
        top: 0;
        left: 0;
    }

    .video_wrap > div > div > iframe {
        height: 100%;
        width: 100%;
    }



    .video_sub_text {
        width: 100%;
        height: 130px;
        background: var(--angfa_blue);

        margin: 0 auto;
        margin-top: 0px;
        margin-bottom: 20px;

        display: flex;
        justify-content: center;
        align-items: center;
    }

    .video_sub_text > p {
        color: white;
        font-size: 1rem;
        padding: 0 1em;
        line-height: 1.4em;
        letter-spacing: 1.75px;
    }

    .under_contents > div > h2 {
        font-size: 1.2rem;
        font-weight: normal;
        line-height: 150%;
        padding: 0;
        margin: 0;
    }

    .video_sub_mini_text {
        width: 100%;
        margin: 0 auto;
    }

    .video_sub_mini_text > p {
        font-size: 1em;
        line-height: 1.4em;
        letter-spacing: 1.75px;
        margin: 30px 0 0 0;
    }

    .under_about_contents {
        width: 100%;
        height: auto;

        display: flex;
        opacity: 0;

        /*border-bottom: 1px solid rgba(0, 0, 0, 0.1);*/

        padding: 15px 0;

        transition: all 0.5s ease;
    }

    .video_time_wrap {
        width: 100%;

    }

    .time_btns {
        width: 100%;
        display: inherit;
        flex-wrap: wrap;
    }

    .t_btn {
        width: 100%;
        margin: 0 auto;
        padding: 5px 0;
        display: flex;
        justify-content: center;
        align-items: center;
        cursor: pointer;
        position: relative;
    }

    .t_btn:not(:first-child) {
        border-top: solid 2px #2f2f2f;
    }

    .t_btn > p {
        color: white;
    }

    .t_btn > a {
        color: var(--angfa_blue);
    }


    .bridge_blue_wrap {
        width: 100%;
        height: auto;
        padding: 30px 0;
        padding-bottom: 1px;
        background: var(--angfa_blue);
    }

    .bridge_blue_video_wrap {
        width: 95%;
        height: auto;
        margin: 0 auto;

        display: inherit;
    }

    .bridge_blue_text_wrap {
        width: 95%;
        height: auto;
        padding: 0 2%;
        margin-left: 0;

        color: white;
    }

    .bridge_blue_text_wrap > h2 {
        font-size: 4vw;

        line-height: 160%;
        letter-spacing: 3px;
    }

    .bridge_blue_text_wrap > p {
        font-size: 0.7em;

        line-height: 180%;
        letter-spacing: 3px;

        font-weight: normal;
    }

    .bridge_times {
        width: 100%;
        height: auto;
        padding: 0;
        margin: 20px 0;

        background: #005A72;
        /*一旦非表示*/
        /*display: flex;*/
        display: none;
        justify-content: center;
    }











}