body {/*全体のフォントサイズ・色*/
  	overflow: auto;
  	margin: 0px;
  	color: #000;
	max-width: 850px;
	margin-left: auto;
	margin-right: auto;
	font-family:"Osaka-mono", "MS Gothic", "monospace";
}

.menu {
    max-width: 100%;
}

.menu a {
    display: block;
	margin: 10 20 10 150;
    padding: 20px;
    text-decoration: none;
    color: RED;
	font-size: 20PX;
}

label {
    display: block;
    margin: 0 0 0 0;
    padding : 20px;
    line-height: 1;
    color :#000;
    background:#7DD084;
    cursor :pointer;
	font-size: 25px;
}

input {
    display:none;
}

.menu ul {
	margin:1 0 20 1;
    background :#f4f4f4;
    list-style: none;
	color: #000000;
	font-size: 20px
}

.menu li {
    height: 0;
    overflow: hidden;
    -webkit-transition: all 1s;
    -moz-transition: all 1s;
    -ms-transition: all 1s;
    -o-transition: all 1s;
    transition: all 1s;
}
.accordion {
margin: 20px auto;
max-width: 100%;
}
.toggle {
display: none;
}
.option {
position: relative;
margin-bottom: 1em;
}
.title,
.content {
-webkit-backface-visibility: hidden;
backface-visibility: hidden;
transform: translateZ(0);
transition: all 1s;
}
.title {
border: solid 1px #ccc;
padding: 10px;
display: block;
color: #333;
font-weight: bold;
}
.title::after,
.title::before {
content: "";
position: absolute;
right: 20px;
top: 15px;
width: 2px;
height: 15px;
background-color: #999;
transition: all 0.5s;
}
.title::after {
transform: rotate(90deg);
}
.content {
max-height: 0;
overflow: hidden;
}
.content p {
border: solid 1px #ccc;
padding: 10px;
display: block;
color: #000000;	
color: black;
margin: 0;
font-size: 15px;
line-height: 1.5;
}
.toggle:checked + .title + .content {
max-height: 300px;
transition: all 2s;
}
.toggle:checked + .title::before {
transform: rotate(90deg) !important;
}