html:before,
html:after,
body:before,
body:after {
	content: "";
	background: #ccc;
	position: fixed;
	display: block;
	z-index: 1;
}
html:before {
	height: 1px; 
	width: 100vw;
	left: 0;
	top: 0;
}
html:after {
	width: 1px;
	height: 100vh;
	right: 0;
	top: 0;
}
body:before {
	height: 1px;
	width: 100vw;
	bottom: 0;
	left: 0;
}
body:after {
  width: 1px;
  height: 100vh;
  top: 0;
  left: 0;
}
.mhover:hover {
	opacity:0.5;
}
textarea {
	font-family:"MS Pゴシック";
}
div.pageboard {
	box-sizing:border-box;
	width: 100%;
	height: 96vh;
	background-color: #eee;
	overflow: hidden;
	overflow-y: scroll;
}
div.indexboard {
	box-sizing:border-box;
	width: 100%;
	height: 95vh;
	background-color: #fff;
	border:1px solid #ccc;
	overflow: hidden;
	overflow-y: scroll;
}
div.makeboard {
	box-sizing:border-box;
	width: 100%;
	height: 96vh;
	padding:10px;
	background-color: #fff;
	border:1px solid #ccc;
	overflow: hidden;
}
div.files {
	box-sizing:border-box;
	width: 100%;
	height: 50vh;
	padding:10px;
	background-color: #fff;
	border:1px dotted #ccc;
	overflow: hidden;
	overflow-y: scroll;
}
div.folders {
	box-sizing:border-box;
	width: 100%;
	height: calc(25vh - 26px);
	padding:10px;
	background-color: #fff;
	border:1px dotted #ccc;
	overflow: hidden;
	overflow-y: scroll;
}
div.images {
	box-sizing:border-box;
	width: 100%;
	height: calc(22vh - 10px);
	margin-top:10px;
	padding:5px;
	text-align:center;
	background-color: #fff;
	border:1px dotted #ccc;
	overflow: hidden;
}
.cp_tab *, .cp_tab *:before, .cp_tab *:after {
	-webkit-box-sizing: border-box;
	        box-sizing: border-box;
}
.cp_tab {
	margin: 0.2em auto;
}
.cp_tab > input[type='radio'] {
	margin: 0;
	padding: 0;
	border: none;
	border-radius: 0;
	outline: none;
	background: none;
	-webkit-appearance: none;
	        appearance: none;
	display: none;
}
.cp_tab .cp_tabpanel {
	display: none;
}
.cp_tab > input:first-child:checked ~ .cp_tabpanels > .cp_tabpanel:first-child,
.cp_tab > input:nth-child(3):checked ~ .cp_tabpanels > .cp_tabpanel:nth-child(2),
.cp_tab > input:nth-child(5):checked ~ .cp_tabpanels > .cp_tabpanel:nth-child(3),
.cp_tab > input:nth-child(7):checked ~ .cp_tabpanels > .cp_tabpanel:nth-child(4),
.cp_tab > input:nth-child(9):checked ~ .cp_tabpanels > .cp_tabpanel:nth-child(5),
.cp_tab > input:nth-child(11):checked ~ .cp_tabpanels > .cp_tabpanel:nth-child(6),
.cp_tab > input:nth-child(13):checked ~ .cp_tabpanels > .cp_tabpanel:nth-child(7),
.cp_tab > input:nth-child(15):checked ~ .cp_tabpanels > .cp_tabpanel:nth-child(8),
.cp_tab > input:nth-child(17):checked ~ .cp_tabpanels > .cp_tabpanel:nth-child(9),
.cp_tab > input:nth-child(19):checked ~ .cp_tabpanels > .cp_tabpanel:nth-child(10),
.cp_tab > input:nth-child(21):checked ~ .cp_tabpanels > .cp_tabpanel:nth-child(11),
.cp_tab > input:nth-child(23):checked ~ .cp_tabpanels > .cp_tabpanel:nth-child(12),
.cp_tab > input:nth-child(25):checked ~ .cp_tabpanels > .cp_tabpanel:nth-child(13),
.cp_tab > input:nth-child(27):checked ~ .cp_tabpanels > .cp_tabpanel:nth-child(14),
.cp_tab > input:nth-child(29):checked ~ .cp_tabpanels > .cp_tabpanel:nth-child(15),
.cp_tab > input:nth-child(31):checked ~ .cp_tabpanels > .cp_tabpanel:nth-child(16),
.cp_tab > input:nth-child(33):checked ~ .cp_tabpanels > .cp_tabpanel:nth-child(17),
.cp_tab > input:nth-child(35):checked ~ .cp_tabpanels > .cp_tabpanel:nth-child(18),
.cp_tab > input:nth-child(37):checked ~ .cp_tabpanels > .cp_tabpanel:nth-child(19),
.cp_tab > input:nth-child(39):checked ~ .cp_tabpanels > .cp_tabpanel:nth-child(20),
.cp_tab > input:nth-child(41):checked ~ .cp_tabpanels > .cp_tabpanel:nth-child(21),
.cp_tab > input:nth-child(43):checked ~ .cp_tabpanels > .cp_tabpanel:nth-child(22),
.cp_tab > input:nth-child(45):checked ~ .cp_tabpanels > .cp_tabpanel:nth-child(23),
.cp_tab > input:nth-child(47):checked ~ .cp_tabpanels > .cp_tabpanel:nth-child(24),
.cp_tab > input:nth-child(49):checked ~ .cp_tabpanels > .cp_tabpanel:nth-child(25),
.cp_tab > input:nth-child(51):checked ~ .cp_tabpanels > .cp_tabpanel:nth-child(26),
.cp_tab > input:nth-child(53):checked ~ .cp_tabpanels > .cp_tabpanel:nth-child(27) {
	display: block;
}
.cp_tab > label {
	position: relative;
	display: inline-block;
	padding: 3px;
	padding-top: 5px;
	padding-bottom: 5px;
	cursor: pointer;
	border: 1px solid transparent;
	border-bottom: 0;
	font-size:0.7em;
}
.cp_tab > label:hover,
.cp_tab > input:focus + label {
	color: #0066cc;
}
.cp_tab > input:checked + label {
	margin-bottom: -1px;
	border-color: #cccccc;
	border-bottom: 1px solid #ffffff;/*背景色と同じ*/
	border-radius: 6px 6px 0 0;
}
.cp_tab .cp_tabpanel {
	font-size:0.8em;
	padding: 0.5em 1em;
	border-top: 1px solid #cccccc;
}