body {
    background: #000000;
}
canvas {
    cursor: pointer;
}

.displayoff
{
    opacity: 0;
    position: absolute;
    left: 0px;
    top: 0px;
}
#player     { 
    /* width: 120px; 
    height: 120px; */
    opacity: 0;
}
#enemy     { 
    /* width: 420px; 
    height: 420px; */
    opacity: 0;
}
#player_bullet     { 
    /* width: 50px; 
    height: 50px; */
    opacity: 0;
}
.enemy_bullet     { 
    width: 25px; 
    height: 25px;
    opacity: 0;
}
#item     { 
    /* width: 50px; 
    height: 50px; */
    opacity: 0;
}

.responsive     {
    /* width: 100%;
    height: 100%; */
    width: 720px;
    height: 600px;
}

#whole_screen {
    border: 1px solid #444444;
    margin: 0 auto;
    background-color: rgba(0, 0, 0, 0);
    background-image: url("../img/bg.png");
    position: relative;
    z-index: 1;
    height: 600px;  /* これだけは設定しておかないとゲームが簡単になる */
}

#container {
    margin: 0 auto;
    background-color: rgba(0, 0, 0, 0);
    background-image: url("../img/bg.png");
    position: relative;
    z-index: 1;
    top: 0px;
    left: 0px;
    /* width: 720px;
    height: 600px; */
}

#container2	{
	position: absolute;
	top: 0px;
	left: 0px;
    background-color: rgba(0, 0, 0, 0);
    background-image: url("../img/bg2.png");
    opacity: 0.75;
    z-index: 2;
    /* width: 720px;
    height: 600px; */
}

/* #canvas_layer {
    width: 720px;
    height: 600px;
    background-color: rgba(0, 0, 0, 0);
    position: absolute;
    z-index: 5;
    top: 0px;
    left: 0px;
} */
#canvas_layer {
    overflow: hidden;
    background-color: rgba(0, 0, 0, 0);
    position: absolute;
    z-index: 5;
    top: 0px;
    left: 0px;
    /* width: 720px;
    height: 600px; */
}

#screen    { 
    background-color: rgba(0, 0, 0, 0);
    position: absolute;
    z-index: 10;
    top: 0px;
    left: 0px;
    width: 100%;
    height: 100%;

}