#menu{
    width: 100%;
    margin: 10px auto;
    background: #696969;/*７*/
}
#menu-inner{
    width: 1000px;/*１*/
    height: 40px;/*２*/
    margin: 0 auto;
    background: #696969;/*８*/
}
#menu-btn{display: none;}
#menu-content{
    padding-left: 0;
    margin: 0;
    width: 100%;
    height: 100%;
    list-style-type: none;
}
#menu-content > li{
    position: relative;
    float: left;
    height: 100%;
    text-align: center;
}
#menu-content > li > a{
    position: relative;
    display: block;
    height: 100%;
    padding-left: 15px;/*３*/
    padding-right: 15px;/*３*/
    line-height: 40px;/*２*/
    background: #696969;/*９*/
    color: #fff;/*10*/
    font-size: 70%;
    text-decoration: none;
    z-index: 2;
}
#menu-content > li > a:hover{
    background: #555;/*11*/
    color: #fff;/*12*/
}
#menu-content > li > a > .blogicon-chevron-down{margin-right: 5px;}
/*２階層目*/
#menu-content > li > ul.second-content{
    visibility: hidden;
    position: absolute;
    top: 0;
    margin: 0;
    padding-left: 0;
    list-style-type: none;
    z-index: -1;