*{
    padding: 0;
    margin: 0;
    color: #1a1a1a;
    line-height: 160%;
}

h1,h2,h3{
    font-size: 14px;
    font-weight: normal;
}

header{
    width: 840px;
    height: 50px;
    margin-left: auto;
    margin-right: auto;
    background-color: #13131e;
}
.header-wraper{
    display: flex;
    justify-content: space-between;
    align-items: left;
    padding: 10px 20px;
    
}
.logo img{
    height: 70px;
}
nav{
    margin-left: auto;
    margin-right: auto;
    width: 840px;
    height: 30px;
    background-color: #13131e;
    font-size: 14px;
    padding-top: 15px;
}
nav ul{
    justify-content: flex-end;
}
nav .nav-list{
    list-style-type: none;
    display: flex;
    gap: 30px;
}
nav .nav-list a{
    text-decoration: none;
    color: #ebdfbe;
}
main{
    width: 840px;
    height: auto;
    margin-left: auto;
    margin-right: auto;
    background-color: #ebdfbe;
}
.main1{
    width: 840px;
    height: 840px;
}
aside{
    width: 840px;
    height: 240px;
    margin-left: auto;
    margin-right: auto;
    clear: both;
    background-color: #a49771;
}
footer{
    width: 840px;
    height: 250px;
    background-color: #13131e;
    color: #d2c06a;
    font-size: 10px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    vertical-align: center;
    clear: both;
}

/* ====== index ================================== */

#con_main h1{
    font-size: 14px;
    font-weight: normal;
}
#con_main h2{
    font-size: 18px;
    font-weight: bold;
    text-align: right;
}

#con_img{
    width: 317px;
    height: 488px;
    background-image: url(images/concept.jpg);
    float: left;
    /* border: 1px solid #000; */

}
#main_index{
    width: 840px;
    height: 300px;
    background-image: url(images/top_logo.png),url(images/top_text.png),url(images/top3.jpg);
    background-repeat: no-repeat;
    background-position: top left,center right,top left;
}
#mainbottom_index{
    width: 840px;
    height: 300px;
    margin-left: auto;
    margin-right: auto;
    padding: 20px;
    background-color: #ebdfbe;
    text-align: center;
    box-sizing: border-box;
}
.sec_in1{
    width: 190px;
    height: 220px;
    margin-right: 16px;
    margin-left: 16px;
    margin-top: 10px;
    background-color:#ebdfbe;
    box-sizing: border-box;
    float: left;
}
.sec_intext{
    margin: 5px 10px;
    line-height: 120%;
    font-size: 10px;
    line-height: 100%;
}
.sec_in2{
    width: 190px;
    height: 220px;
    margin-right: 16px;
    margin-top: 10px;
    background-color:#ebdfbe;
    float: left;
}
.sec_in3{
    width: 190px;
    height: 220px;
    margin-right: 16px;
    margin-top: 10px;
    background-color:#ebdfbe;
    float: left;
}
.sec_in4{
    width: 190px;
    height: 220px;
    margin-right: 16px;
    margin-top: 10px;
    background-color:#ebdfbe;
    float: left;
}
/* ====== consept ======================= */
#con_main{
    width: 700px;
    height: auto;
    margin-left: auto;
    margin-right: auto;

}
#con_main img{
    float: left;
}
#con_box1{
    width: 370px;
    height: 488px;
    padding-left: 20px;
    font-size: 80%;
    float: right;
    text-align: left;
    /* border: 1px solid #000; */
    box-sizing: border-box;
}
#con_box1 h1{
    text-align: right;
}
#con_box2{
    width: 700px;
    height: 200px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 20px;

    clear: both;
    /* border: 1px solid #000; */
}

/* ====== menu ===================================== */

table{
    /* border: 1px solid #000; */
    width: 350px;
}
/* table tr td{
    border: 1px solid #000;
} */
caption{
    text-align: left;
}
#men_main{
    width: 700px;
    height: auto;
    margin-left: auto;
    margin-right: auto;
   font-size: 95%;
    background-color: #ebdfbe;
}
#menu1{
    width: 350px;
    height: auto;
    float: left;
    font-size: 90%;
    padding-top: 20px;
   background-color: #ebdfbe;
}
#menu2{
    width: 350px;
    height: 700px;
    padding-top: 30px;
    background-color: #ebdfbe;
    float: right;
}
#pic1{
    padding-top: 30px;
}
/* 以下はmenu印刷時のみ使用 */
/* #menu_nav ul li a{
    color: #13131e;
} */

/* ===== contact ================================ */

#tact_main{
    width: 700px;
    height: auto;
    margin-left: auto;
    margin-right: auto;
   font-size: 90%;
}
#tact1{
    width: 700px;
    height: auto;
    padding-top: 20px;
    padding-bottom: 30px;
}
#tact2{
    width: 700px;
    height: 515px;
    /* border: 1px solid #801919; */
    background-image: url(images/contact.jpg);
    background-repeat: no-repeat;
    background-position: top right;
 
}
#tact2_in{
    width: 450px;
    height: 515px;
    /* border: 1px solid #000; */
}
form{
    font-size: 90%;
}
form input{
    border: none;
}
form textarea{
    border: none;
}
/* ==== gallary============== */
#gal_main{
    width: 840px;
padding-top: 10px;
padding-left: 70px;
font-size: 90%;
box-sizing: border-box;
}
#gal1{
    width: 700px;
    margin-left: auto;
    margin-right: auto;
    box-sizing: border-box;
}

/* ===== access ============= */

#main{
    height: 500px;
}
#acc_main{
    width: 700px;
    height: auto;
    margin-left: auto;
    margin-right: auto;
    padding-top: 20px;
}
#acc1{
    width: 300px;
    float: left;
}
#acc2{
    width: 400px;
    float: right;
    padding-left: 20px;
    box-sizing: border-box;
}

/* ===== js================== */

#btn{
    width: 40px;
    line-height: 40px;
    border-radius: 20%;
    background-color: #13131e;
    color: #ebdfbe;
    border: 2px solid #ebdfbe;
    font-size: 14px;
    position: fixed;
    text-align: center;
    right: 20px;
    bottom: 70px;
    z-index: 10;
    visibility: visible;
    opacity: 0;
    transition: 0.5s;
}
#btn.on{
    visibility: visible;
    opacity: 1;
}