/*** for PC Browser ***/
@media (min-width:401px)
{
#mainimg {
    width: 100%;
    background-color: rgba(255,255,255,0.6);
    box-shadow: 3px 3px 6px rgb(0,0,0,0.6) inset, -3px -3px 6px rgba(255,255,255,0.7) inset;
    border-radius: 5px 5px / 5px 5px;
}

#mainimg .mainimg_b
{
    width: 100%;
    min-height: 230px;
}

#mainimg img {
    margin: 0px;
    padding: 5px;
    vertical-align: bottom;
    width: 100%;
    height: auto;
    box-sizing: border-box;
    display: inline-block;
}
}


/*** for Smart Phone ***/
@media (max-width:400px)
{
#mainimg {
    width: 100%;
    background-color: rgba(255,255,255,0.6);
    box-shadow: 3px 3px 6px rgb(0,0,0,0.6) inset, -3px -3px 6px rgba(255,255,255,0.7) inset;
    border-radius: 5px 5px / 5px 5px;
}

#mainimg .mainimg_b
{
    width: 100%;
}

#mainimg img {
    margin: 0px !important;
    padding: 5px;
    vertical-align: bottom;
    width: 100%;
    height: auto;
    box-sizing: border-box;
    display: inline-block;
}
}