html, body {
    height: 100%;
}

body {
    margin: 0 auto;
    text-align: center;
    max-width: 1920px;
    font-family:'メイリオ', 'Meiryo', sans-serif;
    color: rgb(100, 100, 100);
}

@media screen and (max-width:479px) {
    #wrap {
        overflow: hidden;
    }
}


.con_1040px {
    margin: 0 auto;
    max-width: 1040px;
    height: auto;
}

.header_con {
    padding: 1% 2%;
    max-width: 1000px;
    height: calc(60px + 10 * ((100vh - 1040px) / 1920));
}

.header_left {
    float: left;
}

.header_left img {
    width: calc(139px + 10 * ((100vw - 1040px) / 1920));
}

.header_right {
    float: right;
    font-family: "游ゴシック", "Yu Gothic";
    font-weight: 600;
}

.header_right li {
    list-style: none;
    display: inline-block;
}

.header_right li a {
    text-decoration: none;
    margin-left: 1rem;
    font-size: calc(14px + 4 * ((100vw - 1040px) / 1920));
    color: #333;
    transition: .5s;
}

.header_right li a:hover {
    padding: 2px 0;
    border-top: 1px solid #2b90d9;
    border-bottom: 1px solid #2b90d9;
    color: #2b90d9;
}

#menu_bar {
    display: none;
    font-family: "游ゴシック", "Yu Gothic";
}

#menu_bar li {
    list-style: none;
    display: inline-block;
}

#menu_bar li a {
    text-decoration: none;
    margin-left: 1rem;
    font-size: calc(14px + 4 * ((100vw - 1040px) / 1920));
    color: #333;
}

#plus, #minus {
    display: none;
    z-index: 10;
}

.burger, .negative {
    padding: 13px 10px 0 0;
    font-size: 30px;
    color: #000;
    display: none;
}


@media screen and (min-width: 481px) and (max-width:959px) {
    .header_left img {
        width: calc(100px + 10 * ((100vw - 1040px) / 1920));
    }

    #menu_bar li a {
        text-decoration: none;
        margin-left: 10px;
        font-size: calc(12px + 6 * ((100vw - 1040px) / 1920));
        color: #615f5f;
    }

    #plus, #minus, #menu_bar {
        display: none;
    }
} 

@media screen and (max-width: 480px) {

    #header_wrap {
        position: fixed;
        top: 0;
        left: 0;
        z-index: 2;
        width: 100%;
        background: rgba(255,255,255,0.9);
        -webkit-transition: all .4s ease 0s, background .6s ease .2s;
        transition: all .4s ease 0s, background .6s ease .2s;
    }

    .header_right ul{
        display: none;
    }

    #plus {
        display: block;
    }

    #menu_bar {
        display: none;
        position: absolute;
        transform: translateX(-7%);
    }



    #menu_bar li a {
        display: block;
        margin-left: 0;
        margin-bottom: 2px;
        width: 300px;
        padding: 5px 3%;
        text-align: center;
        border: 3px solid #fff;
        background: #615f5f;
        color: #fff;
    }
}