header {
    display: flex;
    background-color: #FFFFFF;
    height: 8rem;
    position: fixed;
    width: 100%;
    z-index: 9999;
    top: 0;
    padding-top: 2.2rem;
}

.header_nav_sp {
    display: none;
}

.header_nav {
    display: flex;
    font-size: 1.6rem;
    font-family: "Zen Maru Gothic", sans-serif;
    margin-left: 24.6rem;
    margin-top: 0.3rem;
}

.header_nav_news {
    margin-left: 3.6rem;
}

.header_nav_access {
    margin-left: 3.8rem;
}

.header_nav_recruit {
    margin-left: 3.8rem;
}

.header_nav_contact {
    margin-left: 3.8rem;
}

.header_logo {
    display: flex;
    margin-left: 2rem;
}

.header_logo h1 {
    font-size: 2rem;
    margin-top: 0.3rem;
    margin-left: 1.2rem;
    font-weight: 600;
    font-family: "Noto Serif", serif;
}

.header_logo img {
    width: 5.5rem;
    height: 5.5rem;
    margin-top: -0.9rem;
}

.header_copo_icon {
    width: 1.1rem;
    height: 1.5rem;
    margin: 0 auto;
}

.header_air_icon {
    width: 1.8rem;
    height: 1.5rem;
    margin: 0 auto;
}

.header_access_icon {
    width: 1.3rem;
    height: 1.5rem;
    margin: 0 auto;
}

.header_human_icon {
    width: 2.4rem;
    height: 1.5rem;
    margin: 0 auto;
}

.header_mail_icon {
    width: 2.1rem;
    height: 1.5rem;
    margin: 0 auto;
}

.sideber {
    writing-mode: vertical-lr;
    position: fixed;
    right: 0;
    top: 8rem;
    display: flex;
    gap: 1rem;
    z-index: 999;
}

.sideber h3 {
    border: 0.1rem solid #000000;
    border-radius: 3rem 0px 0px 3rem;
    padding: 1.5rem 1rem;
    border-right: 0;
    width: 4.5rem;
    font-size: 1.6rem;
    letter-spacing: 0.6rem;
    font-weight: 500;
    text-wrap: nowrap;
}

.sideber_inner {
    display: flex;
    font-size: 1.6rem;
    flex-wrap: wrap;
    gap: 2rem 3.2rem;
}

.sideber_inner a {
    display: flex;
}

.side_facility {
    background-color: #FFFFFF;
    position: relative;
}

.side_contact {
    background-color: #FFA8BC;
}

.side_recruiting {
    background-color: #FAD670;
}

.hamburger {
    margin-left: 3rem;
    border: 0.1rem solid #000000;
    width: 8rem;
    height: 4rem;
    position: relative;
    border-radius: 3.5rem;
    margin-top: 0.2rem;
}

.menu-open {
    overflow: hidden;
}

.hamburger_nav {
    display: none;
    font-size: 1.6rem;
    font-family: "Zen Maru Gothic", sans-serif;
    z-index: 9998;
    position: fixed;
    background-color: #FFFFFF;
    width: 100%;
}


.menu-open .hamburger_nav {
    display: flex !important;
}

.hamburger span {
    /*3本の線を作る*/
    transition: all 1s;
    position: absolute;
    height: 0.1rem;
    background-color: black;
    width: 3.6rem;
    z-index: 10;
    right: 2.1rem;
}

.hamburger span:nth-of-type(1) {
    /*上の線の位置*/
    top: 1.4rem;
}

.hamburger span:nth-of-type(2) {
    /*真ん中の線の位置*/
    top: 2rem;
}

.hamburger span:nth-of-type(3) {
    /*下の線の位置*/
    top: 2.5rem;
}

.hamburger.open span {
    width: 3.7rem;
}

.hamburger.open span:nth-of-type(1) {
    /*openのとき、上の線を右斜めにする*/
    top: 1rem;
    transform: translateY(0.6rem) rotate(-15deg);
    left: 2rem;
}

.hamburger.open span:nth-of-type(2) {
    /*真ん中の線を消す*/
    opacity: 0;
}

.hamburger.open span:nth-of-type(3) {
    /*下の線を左斜めにする*/
    top: 2.2rem;
    transform: translateY(-0.6rem) rotate(15deg);
    left: 2rem;
}

.hamburger_sc {
    width: 50vw;
    height: 100vh;
}

.ham_niji_accordion {
    display: flex;
    position: relative;
}

.ham_niji_accordion .ham_link_mark::after {
    content: "+";
    position: absolute;
    bottom: -0.2rem;
    right: 0.2rem;
}
.ham_niji_accordion .ham_niji_nav{
    display: none;
}
.ham_niji_accordion.open .ham_niji_nav{
    display: block;
}

.ham_hureai_accordion {
    display: flex;
    position: relative;
}
.ham_hureai_accordion .ham_hureai_nav{
    display: none;
}

.ham_hureai_accordion .ham_link_mark::after {
    content: "+";
    position: absolute;
    bottom: -0.2rem;
    right: 0.2rem;
}

.ham_hureai_nav {
    position: absolute;
    background-color: #A2D245;
    width: 22.4rem;
    border-radius: 1rem;
    left: 32.2rem;
    display: none;
}

.ham_hureai_nav a {
    background-color: #F7F1DC;
    margin: 1rem;
    border-radius: 0.8rem;
    font-size: 1.3rem;
    padding-top: 0.5rem;
    padding-left: 0.7rem;
    padding-bottom: 0.5rem;
    letter-spacing: 0 !important;
}

.ham_hureai_link_mark {
    position: relative;
    border: 0.1rem solid #000000;
    margin-left: 1.5rem;
    padding: 0.5rem 0.5rem;
    border-radius: 50%;
    width: 2rem;
    height: 2rem;
    background-color: #A2D245;
}
.ham_hureai_accordion.open .ham_hureai_nav{
    display: block;
}

.ham_hureai_accordion.open .ham_link_mark::after {
    content: "ー";
    overflow: hidden;
    width: 1rem;
    right: 0.5rem;
    top: -0.2rem;
}

.ham_niji_accordion.open .ham_link_mark::after {
    content: "ー";
    overflow: hidden;
    width: 1rem;
    right: 0.5rem;
    top: -0.2rem;
}

.ham_hureai_nav .triangle {
    top: 0.6rem;
    right: 1.3rem;
}

.ham_niji_nav .triangle {
    top: 0.6rem;
    right: 1.3rem;
}

.ham_niji_nav {
    position: absolute;
    background-color: #55D19B;
    width: 22.4rem;
    border-radius: 1rem;
    left: 32.2rem;
    display: none;
}

.ham_niji_nav a {
    background-color: #F7F1DC;
    margin: 1rem;
    border-radius: 0.8rem;
    font-size: 1.3rem;
    padding-top: 0.5rem;
    padding-left: 0.7rem;
    padding-bottom: 0.5rem;
    letter-spacing: 0 !important;
}

.ham_niji_link_mark {
    position: relative;
    border: 0.1rem solid #000000;
    margin-left: 1.5rem;
    padding: 0.5rem 0.5rem;
    border-radius: 50%;
    width: 2rem;
    height: 2rem;
    background-color: #55D19B;
}


.header_inner a {
    display: flex;
    text-wrap: nowrap;
    letter-spacing: 0.1rem;
}

.header_inner {
    margin-top: 12rem;
    margin-left: 4rem;
    display: flex;
    flex-flow: column;
    gap: 1.5rem;
}

.ham_archive {
    margin-left: 4rem;
    margin-top: 6rem;
}

.ham_archive a {
    width: 14.7rem;
    height: 5.4rem;
    border-radius: 2.7rem;
    color: #FFFFFF;
}

.ham_staff {
    background-color: #FFA8BC;
    padding: 1.5rem;
}

.ham_news {
    background-color: #BD474F;
    padding: 1.5rem 4rem;
    margin-left: 2.5rem;
}

.ham_link_mark {
    position: relative;
    border: 0.1rem solid #000000;
    margin-left: 1.5rem;
    padding: 0.5rem 0.5rem;
    border-radius: 50%;
    width: 2rem;
    height: 2rem;
    background-color: #DF778F;
}

.side_link_mark {
    position: relative;
    border: 0.1rem solid #000000;
    padding: 0.5rem 0.5rem;
    border-radius: 50%;
    width: 2rem;
    height: 2rem;
    background-color: #DF778F;
}

.zero {
    margin-left: -0.5rem !important;
}

.triangle {
    width: 0;
    height: 0;
    border-right: 0.4rem solid transparent;
    border-left: 0.4rem solid transparent;
    border-top: 0.8rem solid #FFFFFF;
    position: relative;
    pointer-events: none;
    padding-left: 0.2rem;
    /* margin-left: 1.5rem; */
    transform: rotate(-90deg);
    display: block;
}

.side_hureai_accordion {
    display: flex;
    position: relative;
}

.side_niji_accordion {
    display: flex;
    position: relative;
}

.sideber_nav {
    display: none;
    position: fixed;
    top: 8rem;
    padding-top: 2.5rem;
    padding-bottom: 2.5rem;
    padding-left: 7rem;
    background-color: #FFFFFF;
    text-wrap: nowrap;
    z-index: 5555;
}
.side_facility.open{
    margin-bottom: 8.8rem;
}

.side_facility.open::after {
    content: "";
    border-top: 0.1rem solid #000000;
    width: 2.6rem;
    display: block;
    transform: rotate(45deg);
    position: absolute;
}

.side_facility.open::before {
    content: "";
    border-top: 0.1rem solid #000000;
    width: 2.6rem;
    display: block;
    transform: rotate(-45deg);
    position: absolute;
}

.side_niji_nav {
    position: absolute;
    background-color: #55D19B;
    width: 22.4rem;
    border-radius: 1rem;
    top: 4rem;
    display: none;
}

.side_niji_nav a {
    background-color: #F7F1DC;
    margin: 1rem;
    border-radius: 0.8rem;
    font-size: 1.3rem;
    padding-top: 0.5rem;
    padding-left: 0.7rem;
    padding-bottom: 0.5rem;
}

.side_niji_link_mark {
    position: relative;
    border: 0.1rem solid #000000;
    margin-left: 1.5rem;
    padding: 0.5rem 0.5rem;
    border-radius: 50%;
    width: 2rem;
    height: 2rem;
    background-color: #55D19B;
}

.side_niji_accordion .side_link_mark::after {
    content: "+";
    position: absolute;
    bottom: -0.2rem;
    right: 0.4rem;
}

.side_hureai_accordion .side_link_mark::after {
    content: "+";
    position: absolute;
    bottom: -0.2rem;
    right: 0.4rem;
}

.side_hureai_nav {
    position: absolute;
    background-color: #A2D245;
    width: 22.4rem;
    border-radius: 1rem;
    top: 4rem;
    display: none;
}

.side_hureai_nav a {
    background-color: #F7F1DC;
    margin: 1rem;
    border-radius: 0.8rem;
    font-size: 1.3rem;
    padding-top: 0.5rem;
    padding-left: 0.7rem;
    padding-bottom: 0.5rem;
}

.side_hureai_link_mark {
    position: relative;
    border: 0.1rem solid #000000;
    margin-left: 1.5rem;
    padding: 0.5rem 0.5rem;
    border-radius: 50%;
    width: 2rem;
    height: 2rem;
    background-color: #A2D245;
}

.side_hureai_accordion.open .side_link_mark::after {
    content: "ー";
    overflow: hidden;
    width: 1rem;
    right: 0.5rem;
    top: -0.2rem;
}

.side_niji_accordion.open .side_link_mark::after {
    content: "ー";
    overflow: hidden;
    width: 1rem;
    right: 0.5rem;
    top: -0.2rem;
}

.side_hureai_nav .triangle {
    top: 0.6rem;
    right: 1.3rem;
}

.side_niji_nav .triangle {
    top: 0.6rem;
    right: 1.3rem;
}

.header_padding {
    padding-bottom: 8rem;
}

@media screen and (max-width: 699.98px) {
    html {
        font-size: calc(10 / 375 * 100vw);
        /* 画面幅375pxで10px*/
    }
    header{
        height: 7.2rem;
    }

    .header_logo {
        margin-left: 1rem;
    }
    .header_logo img{
        width: 4.5rem;
        height: 4.5rem;
    }

    .header_logo h1 {
        font-size: 1.4rem;
        padding-top: 0.2rem;
        margin-left: 1.6rem;
    }

    .hamburger {
        margin-left: 2rem;
        height: 2.7rem;
    }
    .hamburger span:nth-of-type(1){
        top: 0.7rem;
    }
    .hamburger span:nth-of-type(2){
        top: 1.2rem;
    }
    .hamburger span:nth-of-type(3){
        top: 1.7rem;
    }
    .hamburger.open span:nth-of-type(1){
        top: 0.6rem;
    }
    .hamburger.open span:nth-of-type(3){
        top: 1.7rem;
    }

    .header_nav {
        display: none;
    }
    .header_inner{
        margin-left: 1.3rem;
        margin-top: 8rem;
        gap: 2rem;
    }

    .sideber {
        display: none;
    }

    .header_padding {
        padding-bottom: 7.3rem;
    }

    .header_nav_sp {
        display: flex;
        position: fixed;
        z-index: 9999;
        bottom: 0;
        width: 100%;
        background-color: #FFFFFF;
        font-size: 1.2rem;
        font-family: "Zen Maru Gothic", sans-serif;
        padding-left: 0.5rem;
        gap: 1.9rem;
        padding-top: 0.5rem;
        border-top: 0.1rem solid #000000;
    }

    .header_copo_icon {
        width: 1.6rem;
        height: 2rem;
    }

    .header_air_icon {
        width: 2.5rem;
        height: 2rem;
    }

    .header_access_icon {
        width: 1.8rem;
        height: 2rem;
    }

    .header_human_icon {
        width: 3rem;
        height: 2rem;
    }

    .header_mail_icon {
        width: 2.8rem;
        height: 2rem;
    }

    .hamburger_nav {
        overflow: scroll;
        height: 100vh;
    }

    .hamburger_sc {
        display: none;
    }

    .header_inner {
        text-wrap: nowrap;
    }

    .ham_hureai_nav {
        position: relative;
        top: 3rem;
        right: 16rem;
        left: auto;
        margin-bottom: 4rem;
    }

    .ham_niji_nav {
        position: relative;
        top: 3rem;
        right: 15rem;
        left: auto;
        margin-bottom: 4rem;
    }

    .ham_archive {
        padding-bottom: 10rem;
        margin-left: 1.5rem;
    }
}