@charset "UTF-8";

/*---------------共通指定---------------*/

:root{
	--text_color:#111;
	--back_color:#eee;
	--formbg_color:#fff;
	--border_color:#b7b7b7;
	--button_color:#fafafa;
	--sitetitle:url(sitetitle_l.png);
	--font_mincho:"Noto Serif JP", serif;
	--font_gothic:"Noto Sans JP", sans-serif;
	--font_marugo:"Zen Maru Gothic", serif;
}
@media (prefers-color-scheme: dark) {
	:root{
		--text_color:#eee;
		--back_color:#222;
		--formbg_color:#000;
		--border_color:#5f5f5f;
		--button_color:#393939;
		--sitetitle:url(sitetitle_d.png);
	}
}

*{
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}
ul, ol, li{
	list-style:none;
}
img {
	border: 0;
}
p {
	line-height: 1.8;
}
a{
	color: var(--text_color);
	text-decoration:underline;
}
a:hover{
	text-decoration:none;
}
.screen-reader{
	clip: rect(1px,1px,1px,1px);
	word-wrap: normal!important;
	border: 0;
	-webkit-clip-path: inset(50%);
	clip-path: inset(50%);
	height: 1px;
	margin: -1px;
	overflow: hidden;
	padding: 0;
	position: absolute;
	width: 1px;
}

/* デフォルト */


/*input[type="text"], input[type="number"] {
	width: 100%;
	padding: 8px;
	border: 1px solid #ddd;
	border-radius: 4px;
}
select {
	padding: 8px;
	border: 1px solid #ddd;
	border-radius: 4px;
}
button {
	background-color: #4CAF50;
	color: white;
	padding: 10px 15px;
	border: none;
	border-radius: 4px;
	cursor: pointer;
	font-size: 16px;
}
button:hover {
	background-color: #45a049;
}*/

/* 背景 */

body{
	background-color: var(--back_color);
	color: var(--text_color);
	font-family: var(--font_gothic);
	font-weight: 300;
	font-size: 16px;
	padding: 1em 0;
	margin: 0;
}
#wrap{
	padding: 0;
	margin: 1em auto;
	width: 95%;
	max-width: 800px;
	position: relative;
	z-index: 2;
}
#wrap main{
	display: flex;
	justify-content: space-between;
	flex-wrap: wrap;
}
#area_result{
	width: calc(60% - 1em);
}
#area_tool{
	width: calc(40% - 1em);
}
#area_howto{
	padding-top: 2em;
}

/*---------------レイアウト---------------*/


/*--------------- header ---------------*/

#header{
	position: relative;
	margin: 0 auto;
	width: 95%;
	max-width: 800px;
	display: flex;
	justify-content: space-between;
	align-items: flex-start;
}
#sitetitle{
	font-size: 2em;
	text-align: left;
	font-weight: 600;
	margin: 0 auto 0 0;
	padding: 0;
}
#sitetitle a{
	display: block;
	text-decoration: none;
	background-image: var(--sitetitle);
	background-repeat: no-repeat;
	background-position: center;
	background-size: contain;
	width: 46px;
	height: 46px;
	text-indent: -9999px;
	overflow: hidden;
}
#sitetitle span{
	font-size: 0.8em;
}

/*--------------- footer ---------------*/

#footer{
	margin: auto auto 0;
	padding-top: 6px;
	width: 95%;
	position: relative;
	z-index: 2;
}
#footer .author{
	text-align: center;
	font-size: 0.8em;
}

@media screen and (max-width: 799px){
	#header{
		flex-direction: column;
	}
	#sitetitle{
		margin: 0 auto;
	}
	#header p{
		text-align: right;
		margin: 0 0 0 auto;
		font-size: 0.9em;
	}
	#wrap{
		margin-top: 0;
	}
	#wrap main{
		flex-direction: column;
		align-items: center;
	}
	#area_result{
		min-height: 350px;
	}
	#area_result,
	#area_tool,
	#area_howto{
		width: 90%;
		margin: auto;
	}
}
@media screen and (max-width: 499px){
	#header{
		align-items: center;
	}
	#header p{
		margin: 0;
		text-align: center;
	}
	#area_result,
	#area_tool,
	#area_howto{
		width: 100%;
	}
}


/*--------------- content ---------------*/

p{
	padding: 0 16px;
	margin: 1em 0;
}
h1,h2,h3{
	font-size: 1.6em;
	font-weight: 600;
	padding: 0 16px;
	margin: 0 0 0.5em;
}
h3{
	font-size: 1.2em;
	font-weight: 700;
}
h2:first-child{
	margin-top: 0;
}
p:last-child{
	margin-bottom: 0;
}
.txt-center{
	text-align: center;
}
.txt-large{
	font-size: 1.5em;
}
.data, .txt-small{
	font-size: .8em;
}
img{
	max-width: 100%;
	height: auto;
	vertical-align: bottom;
}

/* content */

label {
	display: block;
	margin-bottom: 5px;
	font-weight: bold;
}

#area_result{
	position: relative;
	display: flex;
}
.result {
	margin-top: 20px;
	padding: 15px;
	border: 1px solid var(--border_color);
	border-radius: 4px;
	background-color: var(--formbg_color);
	width: 100%;
	-webkit-writing-mode: vertical-rl;
    -ms-writing-mode: tb-rl;
    writing-mode: vertical-rl;
	display: flex;
	flex-direction: column;
    justify-content: flex-start;
    align-items:center;
	gap: 0.5em;
	overflow-x: scroll;
}
.result h2 {
	margin-top: 0;
	margin-bottom: auto;
	margin-right: auto;
}
#names{
	display: flex;
    flex-direction: column;
    flex-wrap: wrap;
	margin-left: auto;
}
.name {
	font-size: 24px;
	margin: 10px 0;
}
.options {
	margin-top: 20px;
	padding: 10px;
	background-color: var(--formbg_color);
	border-radius: 4px;
}
.length-control {
	display: flex;
	gap: 4px;
	align-items: center;
	margin-bottom: 8px;
}
.length-control input {
	width: 80px;
}
.length-control span {
	margin: 0 5px;
}
.length-control span:last-child {
	width: 2em;
}
.toggle-section {
	cursor: pointer;
	color: var(--border_color);
	margin-bottom: 10px;
	user-select: none;
}
.toggle-section:hover {
	text-decoration: underline;
}
.toggle-icon {
	display: inline-block;
	width: 0;
	height: 0;
	border-left: 6px solid transparent;
	border-right: 6px solid transparent;
	border-top: 6px solid var(--border_color);
	margin-right: 1px;
	margin-bottom: 3px;
	transition: transform 0.3s;
}
.toggle-icon.collapsed {
	transform: rotate(-90deg);
}
.advanced-options {
	margin-top: 10px;
	margin-bottom: 10px;
	padding: 10px;
	border: 1px solid var(--border_color);
	border-radius: 4px;
	background-color: var(--formbg_color);
}
.advanced-options .form-group{
	margin-bottom: 10px;
}
.advanced-options .form-group:last-child{
	margin-bottom: 0px;
}
.hidden {
	display: none;
}
#area_result h2,
#area_tool h3{
	padding: 0;
}

#area_tool form{
	margin: 0 0 16px;
}
#area_tool select{
	border: var(--border_color) 1px solid;
	background-color: var(--button_color);
	color: var(--text_color);
	padding: 8px;
	width: 100%;
	border-radius: 4px;
	font-size: 1em;
}
#area_tool input[type="text"],
#area_tool input[type="number"]{
	border: var(--border_color) 1px solid;
	background-color: var(--button_color);
	color: var(--text_color);
	padding: 8px;
	width: calc(100% - 4em);
	font-size: 1em;
}
#area_tool .length-control input[type="number"]{
	width: 3em;
}
#area_tool .form-group:has(.length-control){
	display: flex;
	align-items: baseline;
	gap: 8px;
}
.area_btn{
	padding-top: 1em;
	text-align: center;
}
button#generate{
	border: var(--border_color) 2px solid;
	background-color: var(--button_color);
	color: var(--text_color);
	background-image: none;
	border-radius: 30px;
	padding: 3px 1em;
	cursor: pointer;
	font-size: 1.2em;
}
button#generate:hover{
	opacity: 0.6;
}
#area_tool .options + .form-group {
	margin-top: 15px;
	display: flex;
	align-items: center;
	gap: 8px;
}
#area_tool .options + .form-group input[type="number"]{
	width: 30%;
}

.area_copypaste{
	display: flex;
	align-items: center;
	justify-content: center;
}
.area_copypaste p{
	font-size: 0.8em;
}
.area_copypaste textarea{
	border: var(--border_color) 1px solid;
	background-color: var(--button_color);
	color: var(--text_color);
	padding: 8px;
	width: 65%;
	height: 5em;
	font-size: 0.8em;
	line-height: 1.4;
}

@media screen and (max-width: 799px){
	#area_text form{
		width: 90%;
		margin-top: 16px;
		margin-left: auto;
		margin-right: auto;
	}
}
@media screen and (max-width: 499px){
	.area_copypaste{
		flex-direction: column;
	}
	.area_copypaste p{
		margin-bottom: 0.5em;
	}
	.area_copypaste textarea{
		width: 90%;
	}
}