html, body,
ul, ol, li,
h1, h2, h3, h4, h5, h6, p, div, aside {
  margin: 0;
  padding: 0;
}
img {
    display: block;
    max-width: 100%;
    height: auto;
}
a {
    text-decoration: none;
}
li {
    list-style: none;
}
* {
    box-sizing: border-box;
}
body {
    width: 1000px;
    height: 1500px;
    margin: 0 auto;
    font-family: "Yu Gothic","'arial",sans-serif;
}
header {
    width: 100%;
    margin: 0 auto;
    background-color: white;
}
.header-main {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    border-bottom: 1px solid lightgray;
}
.header-absolute {
    margin-left: 20px;
}
.header-left {
    margin-left: 10px ;
    display: flex;
    justify-content: flex-end;
    align-items: flex-end;    
    margin-bottom: 5px;
}
.header-absolute a {
    font-size: 25px;
    font-weight: bold;
    color: black;
}
.header-absolute p {
    font-size: 12px;
    font-weight: normal;
}

.header-boxs {
    display: flex;
}
.header-right {
    margin-right: 20px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 5px;
}
.header-boxs {
    display: flex;
}
.header-box {
    width: 55px;
    height: 55px;
    margin-left: 10px;
}
.header-box img {
    width: 100%;
    height: 100%;
}
.header-responsive {
    display: none;
}

/* header-end */

.main-link {
    height: 70px;
    background-color: white;
}
.main-link-list {
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-around;
}
.main-link-list li {
    color: black;
}

/* nav end */

.under-tab {
    display: none;
}

/* under-tab */

/* co-main */


.companyinfomation {
    margin-bottom: 20px;
    border-bottom: 1px solid lightgray;
}
.co-main {
    background-image: url(img/companyinfomation/会社沿革.png);
    background-size: cover;
    width: 100%;
    height: auto;
    margin: 0 auto;
    margin-bottom: 20px;
}
.enkaku {
    font-weight: bold;
    padding-top: 50px;
    margin-left: 50px;
    margin-bottom: 25px;
}
.enkaku-1 {
    display: flex;
    margin-left: 50px;
    margin-bottom: 25px;
}
.enkaku-2 {
    margin-right: 20px;
}
.horonobe {
    font-size: 12px;
}
.co-main-1 {
    display: flex;
    justify-content: space-between;
    margin: 25px 50px;
    padding-bottom: 80px;
}

/* companyinfomation-2 */

.companyinfomation-2 {
    margin-bottom: 30px;
    border-bottom: 1px solid lightgray;
}
.section {
    width: 100%;
    margin: 0 auto;
    margin-bottom: 30px;
}
.section-2 {
    display: flex;
}
.section-3 {
    margin-left: 20px;
}
.section-3 a {
    color: black;   
}
.we {
    border-bottom: 1px solid black;
    display: inline-block;
}
.section-3 li {
    margin-left: 20px;
    margin-bottom: 10px;
}   
.tittle {
    font-weight: bold;
    margin-bottom: 15px;
}
.danraku {
    margin-bottom: 20px;
}

@media(max-width: 770px) {
    body {
        height: 2000px;
        width: 100%;
        margin: 0 auto;
    }    
    div {
        margin: 0 auto;
        padding: 0;
    }
    .main-link {
        display: none;
    }
    
    /* header */
    .header-main {
        border-bottom: none;
        align-items: flex-end;
        margin-top: 5px;
    }
    .header-responsive {
        display: block;
    } 
    .header-responsive p {
        font-size: 3vw;
        margin-left: 10px;
    }   
    .header-absolute {
        margin: 0;
    }
    .header-absolute a {
        font-size: 5vw;
    }    
    .header-absolute-p {
        display: none;
    }
    .header-left {
        margin: 0 0 5px 10px;
    }   
    .header-right {
        margin-right: 10px;
        display: flex;
        justify-content: space-between;
        align-items: flex-end;
        margin-bottom: 5px;
    }
    .header-boxs {
        display: flex;
    }
    .header-box {
        width: 30px;
        height: 30px;
        /* margin-left: 10px; */
    }
    .header-box img {
        width: 100%;
        height: 100%;
        /* margin-left: 10px; */
    }

    /* companyinfomation */

    .enkaku {
        margin-left: 10px;
    }
    .enkaku-1 {
        margin-left: 10px;
        display: flex;
        flex-direction: column;
    }
    .enkaku-1 p {
        font-size: 13px;
    }
    .horonobe {
        font-size: 11px;
    }
    .co-main-1 {
        display: flex;
        flex-direction: column;
        margin-left: 10px;
    }
    .co-main-1 p {
        font-size: 13px;
    }    

    /* companyinfomation-2 */

    .section-2 {
        display: flex;
        flex-direction: column;
    }
    .section-3 {
        margin: 0 10px;
        margin-top: 10px;
    }
    .section-3 p {
        font-size: 4vw;
    }
    .section-3  li {
        font-size: 4vw;
        margin: 0;
    }
   
    /* under-tab */

    .under-tab {
        display: block;
        position: fixed;
        bottom: 0;
        width: 100%;
        z-index: 10;
    }
    .under-boxs {
        background-color: lightgray;
        display: flex;
        justify-content: space-around;
    }
    .under-box {
        width: 65px;
        height: 55px;
        background-color: lightgray;
        color: gray;
        display: flex;
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }
    .under-box p {
        font-size: 10px;
        margin-top: 3px;
    }
    .fas {
        font-size: 25px;
    }
    p {
        display: block;
        margin-block-start: 0px;
        margin-block-end: 0px;
        margin-inline-start: 0px;
        margin-inline-end: 0px;
    }
}