/* ヘッダ＾ここから */
header {
    width: 100%;
    position: relative;
}

#header_main {
    background-size: cover;
}


body {
    margin: 0;
    padding: 0;
    overflow: hidden;
}

#video_section {
    width: 100vw;
    height: 100vh;

    background-repeat: repeat;
    background-size: 100% auto;
    position: fixed;
    top: 0;
    left: 0;
    transition: opacity 1s ease;

}

#video_section div {
    width: 100%;
    height: 100%;
    position: relative;
}

#intro-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1000;
    transition: opacity 1s ease;
    background: #f9f9f9;
}

#video_section.fade-out,
#intro-video.fade-out {
    opacity: 0;
}

#main_top,
header {
    opacity: 0;

}

#main_top.visible,
header.visible {
    opacity: 1;
}

/* ヘッダーメイン */
#main_top #header_main h3 {
    color: #2959AB;

}

#main_top #header_main p {
    color: #2959AB;
}

/* 採用ボタン */
#recruit_btn_right {
    position: fixed;
    right: -64px;
    top: 60%;
    z-index: 4;
    width: 64px;
    height: 264px;
    border-radius: 30px 0 0 30px;
    box-shadow: 0px 0px 20px 2px #0000001A;
    background: #7CBBFF;
    transition: 1s ease;
}

#recruit_btn_right a {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #ffffff;
    writing-mode: vertical-rl;
    font-family: "Noto Sans JP", serif;
    font-weight: 900;
    font-size: 24px;
    letter-spacing: 4px;
    text-orientation: upright;
}

/* ヘッダーニュース */
#top_news {
    height: 480px;
    background-color: #f9f9f9;
    position: relative;
}

#news_container {
    position: absolute;
    bottom: 130px;
    left: 50%;
    translate: -50% 0;
    height: 430px;
    background: white;
    max-width: 960px;
    width: 75%;
    max-width: 1200px;
    border-radius: 10px;
    z-index: 1;
    box-shadow: 0 0 20px 2px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-wrap: wrap;
}

#news_container h2 {
    width: 95px;
    font-family: "Noto Sans JP", serif;

    color: #102C92;
    font-weight: 800;
    font-size: 32px;
    margin: 25px 25px auto 40px;
}

#news_container dl {
    height: 280px;
    margin-top: 50px;
    width: calc(100% - 160px);
    /* display: flex; */
    flex-wrap: wrap;
}

#news_container dl a {
    display: flex;
    width: 100%;

}

#news_container dl a dt,
#news_container dl a dd {
    height: 59px;
    border-bottom: 1px rgba(0, 0, 0, 1) solid;
    display: flex;
    font-weight: 400;
    font-size: 16px;
    font-family: "Noto Sans JP", serif;
    align-items: center;
}

#news_container dl a dt {
    width: 15%;
    color: #102C92;
}

@media screen and (max-width: 750px) {
    #news_container .news_title {
        margin-left: 16px;
        font-size: 14.5px;
    }
}

#news_container dl a dd {
    width: calc(85% - 45px);
    margin-right: 45px;
    justify-content: space-between;
    color: #000000;
}

#all_button_box {
    width: 100%;
    display: flex;
    justify-content: end;
    height: 40px;

}

#all_button_box a {
    display: block;
    width: 145px;
    height: 40px;
    border-radius: 85px;
    background: #047CFD;
    text-align: center;
    line-height: 40px;
    text-decoration: none;
    color: #FFFFFF;
    font-weight: 700;
    font-size: 16px;
    font-family: "Noto Sans JP", serif;
    margin-right: 45px;
}

#news_container_shadow {
    position: absolute;
    bottom: 130px;
    left: 50%;
    translate: calc(-50% - 20px) 20px;
    height: 430px;
    background: linear-gradient(135deg, #003975, #1B89FF);
    max-width: 960px;
    width: 75%;
    max-width: 1200px;

    border-radius: 10px;
}

/* メインここから */

/* メインミッション */
#top_mission {
    width: 100%;
    padding: 120px 0;
    background: linear-gradient(118.87deg, #003975 10.99%, #4C9FEF 44.75%, #F9F9F9 48.88%, #CFE5F9 61.16%);
    display: flex;
    align-items: center;
    justify-content: center;
}

#mission_container {
    padding-top: 64px;
    padding-bottom: 64px;
    width: 90%;
    background: #f9f9f9;
    border-radius: 10px;
}

#mission_container div.section_title {
    margin-left: 48px;
    margin-bottom: 45px;
}

#mission_main {
    margin-left: 48px;
    min-height: calc(100% - 290px);
    display: flex;
}

#mission_main_left {
    width: 50%;
    margin-right: 64px;
}

#mission_main_left div#signature {
    margin-top: 40px;
    display: flex;
    justify-content: end;
    align-items: center;
}

.president_name {
    width: 50%;
}

.president_name img {
    width: 100%;
}

#mission_main h3 {
    font-weight: 800;
    font-size: 40px;
    font-family: "Noto Sans JP", serif;
    margin-bottom: 35px;
}

#mission_main p {
    font-weight: 400;
    font-size: 22px;
    line-height: 1.75;
    font-family: "Noto Sans JP", serif;
    letter-spacing: 0.1em;

}

p.mission_main_text {
    margin-bottom: 125px;
}

.signature {
    display: flex;
    justify-content: end;
    justify-content: end;
    align-items: center;
    margin-top: 40px;
}

.signature p {
    font-size: 24px;
}

.job_position {
    margin-right: 24px;
}

#mission_main_right {
    margin-right: 48px;
    width: calc(50% - 64px);
    aspect-ratio: 1;
    overflow: hidden;
}

.sp {
    display: none;
}

#mission_main_right img {
    width: 100%;
    object-fit: cover;
    object-position: center center;
}

/* トップビジネス */
#business {
    margin-bottom: 160px;
}

#business_container {
    width: 90%;
    margin: 160px auto 0 auto;

}

div#business_main {
    width: 100%;
    min-height: 1000px;
    position: relative;
    margin-top: 45px;
    margin-bottom: 80px;
}

#business_back_circle {
    position: absolute;
    top: 10%;
    left: 50%;
    translate: -50% 0;
    width: 800px;
    height: 800px;
    border-radius: 50%;
    background: linear-gradient(135deg, #003975, #1B89FF);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 0;
}

#business_back_circle p {
    color: #FFFFFF;
    font-weight: 800;
    font-size: 40px;
    font-family: "Noto Sans JP", serif;
    text-align: center;
}


#business_main_contents .business_element {
    position: absolute;
    width: 510px;
    height: 390px;
    border: 15px #047CFD solid;
    border-radius: 15px;
    background: #FFFFFF;
    z-index: 1;
    overflow: hidden;
}

#business_main_contents .business_element:first-child {
    top: 0;
    left: 50%;
    translate: -50% 0;
}

#business_main_contents .business_element:nth-child(2) {
    top: 60%;
    right: 55%;
}

#business_main_contents .business_element:last-child {
    top: 60%;
    left: 55%;
}



#business_main_contents img {
    width: 100%;
    height: 265px;
    display: block;
    object-fit: cover;
}

.business_element_text {
    height: 95px;
    display: flex;
    align-items: center;
    justify-content: center;

}

div.business_element_text p {
    color: #003975;
    font-weight: 700;
    font-size: 32px;
    line-height: 2;
    font-family: "Noto Sans JP", serif;
}

/* トップページワークス */
section#top_works {
    margin-bottom: 160px;
}

#works_main {
    width: 100%;
    height: 500px;
    background: linear-gradient(180deg, #003975, #1B89FF);
    padding-top: 60px;
    padding-bottom: 30px;
    display: flex;
    margin-top: 15px;
    margin-bottom: 80px;
    overflow: hidden;
}

#works_main div.works_element {
    width: 330px;
    height: 406px;
    margin-right: 40px;
}

#works_main div.works_element img {
    height: 330px;
    width: 330px;
    margin-bottom: 20px;
}

#works_main div.works_element h4 {
    color: #ffffff;
    font-weight: 800;
    font-size: 20px;
    line-height: 1.5;
    font-family: "Noto Sans JP", serif;
}

#works_main div.works_element p {
    color: #ffffff;
    font-weight: 400;
    font-size: 16px;
    line-height: 1.5;
    font-family: "Noto Sans JP", serif;
}

/* トップ技能競技会 */
section#top_skill_competition {
    padding-bottom: 160px;
    background-repeat: no-repeat;
    background-size: contain;
}


section#top_skill_competition div#skill_competition_main {
    height: 630px;
    margin: 15px 0 80px 0;
    background: url(../images/Rectangle86.png) no-repeat;
    background-size: 100% 100%;
    background-position: center center;
}

section#top_skill_competition div#skill_competition_main img {
    height: 100%;
    width: calc(100% - 160px);
    max-width: 1200px;
    margin: 0 auto;
    object-fit: cover;
    display: block;
}

/* トップリクルート */
#top_recruit {
    margin-bottom: 160px;
}



/*  トップ会社情報 */
section#top_company {
    width: 100%;
    padding-top: 120px;
    padding-bottom: 120px;
    background: linear-gradient(110deg, #003975 10.99%, #4C9FEF 44.75%, #F9F9F9 48.88%, #CFE5F9 61.16%);


}

section#top_company div.section_title {
    margin-bottom: 30px;
}



#company_main {
    width: 90%;
    margin: 0 auto;
    background: #FFFFFF;
    border-radius: 48px;
    padding-top: 80px;
    padding-bottom: 80px;
}

/* タブレット */
@media screen and (max-width: 1024px) {
    #intro-video {
        height: auto;
        top: 50%;
        translate: 0 -50%;
        width: 100%;
    }

    #video_section {
        background: url("../images/pipe_back.png");
        background-repeat: repeat;
        background-size: cover;
    }

    /* ニュース */
    #news_container,
    #news_container_shadow {
        width: 90%;
        height: 475px;
        bottom: 45px;
    }

    /* ミッション */
    #top_mission {
        padding-top: 30px;
        padding-bottom: 30px;
        margin-top: 60px;
    }

    #mission_main {
        flex-direction: column;
        margin-left: auto;
        margin-right: auto;
        width: 90%;

    }

    #mission_container {
        width: 90%;
        padding-top: 30px;
        padding-bottom: 30px;
    }

    #mission_main_left {
        width: 100%;
        margin-right: 0;
    }

    #mission_main_right {
        width: 100%;
        margin-right: 0;
    }

    #mission_container div.section_title {
        margin-left: auto;
        margin-right: auto;
        width: 90%;
    }



    #mission_main_left p#mission_main_text,
    #mission_main_left div#signature {
        display: none;
    }

    div.signature {
        flex-direction: column;
        align-items: end;
    }

    .president_name {
        width: 75%;
    }

    .sp {
        display: block;
    }

    p.mission_main_text {
        margin-bottom: 44px;
    }

    .job_position {
        margin-right: 8px;
    }

    #business_main_contents .business_element {
        width: 360px;
    }

    /* ビジネス */
    #business_container {
        width: 90%;
        margin-top: 60px;
    }

    div#business_main {
        margin-bottom: 60px;
    }

    #business {
        margin-bottom: 60px;
    }

    #business_main_contents .business_element {
        border: 5px #047CFD solid;
    }

    /* 技能競技会 */
    section#top_skill_competition div#skill_competition_main {
        height: auto;
        margin: 0 0 60px 0;
    }

    section#top_skill_competition div#skill_competition_main img {
        width: 90%;
    }

    section#top_skill_competition {
        padding-bottom: 60px;
    }

    /* 施工実績 */
    #works_main {
        margin-top: 0;
    }

    section#top_works {
        margin-bottom: 60px;
    }

    /* 採用 */
    #top_recruit {
        margin-bottom: 60px;
    }



}

@media screen and (max-width: 750px) {

    /* ニュース */
    #news_container {
        display: block;
    }

    #news_container_shadow {
        translate: calc(-50% - 10px) 10px;

    }

    #news_container h2 {
        width: calc(100% - 10px);
        margin-left: 10px;
        margin-right: 0;
        margin-bottom: 25px;
    }

    #news_container dl {
        width: calc(100% - 20px);
        margin: 0 auto;
        height: auto;
    }

    #news_container dl a dt {
        width: 75px;
    }

    #news_container dl a dd {
        margin-right: 0;
        width: calc(100% - 75px);

    }

    #news_container dl a dd span {
        width: calc(100% - 24px);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    #all_button_box {
        margin-top: 30px;
        margin-bottom: 30px;

        height: auto;
    }

    #all_button_box a {
        margin-right: 30px;
    }


    #news_container dl a:nth-child(4),
    #news_container dl a:nth-child(5) {
        display: none;
    }

    #top_news,
    #news_container,
    #news_container_shadow {
        height: 372px;
    }

    /* ミッション */

    #top_mission,
    section#top_company {

        background: linear-gradient(98deg, #003975 10.99%, #4C9FEF 44.75%, #F9F9F9 48.88%, #CFE5F9 61.16%);

    }

    /* ビジネス */

    #business_main_contents .business_element {
        position: static;
        width: 100%;

    }

    div#business_main {
        margin-top: 25px;
    }

    #business_main_contents .business_element:first-child {
        translate: 0 0;
    }

    #business_main_contents .business_element {
        height: 370px;
        margin-bottom: 15px;
    }

    #business_back_circle {
        position: static;
        width: 100%;
        height: auto;
        translate: 0 0;
        aspect-ratio: 1/1;
    }

    #business_back_circle p {
        font-size: 24px;
    }
}