/*** for PC Browser ***/
@media (min-width:401px)
{
#menu ul{
margin: 0 auto; 
padding: 0; 
list-style: none;
    display: flex;
    max-width: 1000px;
}

#menu li{ 
    display: inline-table;
    padding: 0;
    margin: 2px;
    float: none;
    width: 100%;
}

#menu li a{
    display: table-cell;
    border: 1px solid #9fdef5;
    background-color: #9fdef5;
    padding: 1em 5px;
    text-decoration: none;
    color: #FFFFFF;
    min-width: 100px;
    min-height: 100px;
    box-sizing: border-box;
    margin: 1px;
    text-align: center;
    font-size: medium;
    vertical-align: middle;
    font-weight: bold;
    text-shadow: 0px 0px 3px #5584b9, 0px 0px 3px #5584b9, 0px 0px 3px #5584b9, 0px 0px 3px #5584b9, 0px 0px 3px #5584b9, 0px 0px 3px #5584b9, 0px 0px 3px #5584b9, 0px 0px 3px #5584b9, 0px 0px 3px #5584b9, 0px 0px 3px #5584b9;
}
#menu li a:hover{
background-color: #2d56be;
color: #fff;
    text-shadow: none;
}
}


/*** for Smart Phone ***/
@media (max-width:400px)
{
#menu ul{
        margin: 0;
        padding: 0;
        list-style: none;
        display: flex;
        flex-wrap: wrap;
}

#menu li{
        display: inline-table;
        padding: 0;
        margin: 5px auto;
        float: none;
}

#menu li a{
        display: table-cell;
        vertical-align: middle;
        border: 1px solid #9fdef5;
        background-color: #9fdef5;
        padding: 1em 5px;
        text-decoration: none;
        color: #FFFFFF;
        width: 100px;
        min-height: 30px;
        box-sizing: border-box;
        margin: 1px;
        text-align: center;
    font-size: medium;
    vertical-align: middle;
    font-weight: bold;
    text-shadow: 0px 0px 3px #5584b9, 0px 0px 3px #5584b9, 0px 0px 3px #5584b9, 0px 0px 3px #5584b9, 0px 0px 3px #5584b9, 0px 0px 3px #5584b9, 0px 0px 3px #5584b9, 0px 0px 3px #5584b9, 0px 0px 3px #5584b9, 0px 0px 3px #5584b9;
}

#menu li:nth-child(n+4) a{
        width: 153px;
}

#menu li a:hover{
background-color: #2d56be;
color: #fff;
    text-shadow: none;
}
}