@charset "utf-8";

html {
	--body-min-width: 340px;
  --main-section-max-width:500px;
  --header-bd-width: 5px;
  --header-bd-radius:1rem;

	/*	background:linear-gradient(rgba(255,255,255,1), rgba(155,155,155,1)); */
	--body-color: 					#aaa;
	--body-bg-color:   			#4e3a33;
	--main-bg-color:        #000;
  --header-color:         #aaa;
  --header-bg-color:      #4e3a33;
  --header-bd-color:      #fff;
	--nav-a-hover-bd-color: #eee;
	--main-section-color:   #aaa;
	--main-section-bg-color:#000;
	--main-section-bd-color:#fff;
	--a-color:              #aaa;
	--a-hover-bg-color:     #392822;
}

*, *::before, *::after{
  box-sizing: border-box;
  text-decoration: none;
  margin: 0 0 1em 0;
  padding: 0;
	font-family: Verdana, Geneva, sans-serif;
}
/* --min-width-pc */
@media (min-width: 1101px){
  header h1{
    letter-spacing: 4px;
  }
	main {
		--img-scale:1;
    --line-height:1.2;
		--font-size-scale:1.4;
	}
}

/*  i P h o n e  width about 385px*/
/* --max-width-tablet */
@media (max-width: 1100px){

	nav{
		font-size: .8rem;
  }

	main {
		--img-scale:.5;
    --line-height:1;
		--font-size-scale:1;
	}
}

@media screen{
  html{
    --body-max-width:1200px;
	}
  a img:hover{
    transform: scale(1.2);
    overflow: hidden;
    opacity: 0.7;
  }
	a:hover {
		background-color:var(--a-hover-bg-color);
		text-decoration:underline;
	}
	nav a:hover {
		background-color:transparent;
		border: thin solid var(--nav-a-hover-bd-color);
	}
}


@media print {
	html {
		--img-scale:.2;
		--font-size-scale:1;
		--line-height-scale:1;
	}
	body {
		--body-max-width: 10in;
		--main-section-max-width:10in;
		--body-color:   #000;
		--body-bg-color:#fff;
	}
}



a, a:visited {
	color:var(--a-color);
}

body {
 	max-width:var(--body-max-width);
	margin: 0 auto 1rem auto;
	color: var(--body-color);
	background-color: var(--body-bg-color);
}
header{
  color:            var(--header-color);
  background-color: var(--header-bg-color);
	border:  solid var(--header-bd-width) var(--header-bd-color);
	border-radius: var(--header-bd-radius);
	padding:1rem;
	text-align: center;
}

/*
header > div{
	display: flex;
	align-items: center;
	justify-content: center;
  text-align: center;
}
header div {
	margin-bottom: 0;
}
header img{
  border-radius: 15px;
	margin: 0 1em 0 0;
}
header a{
	background-color: var(--header-a-bg-color);
}
*/

nav {
	display: flex;
	align-content: center;
	align-items: center;
	flex-wrap: wrap;
	justify-content: center;
	margin-bottom: 0;
}
nav a, nav a:visited {
	font-size: 1.1em;
	font-weight:bold;
	display: inline-block;
	margin: .2em .4em;
	padding:.2em .5em;
	border: thin solid transparent;
	border-radius: 6px;
}

main   {
	display: flex;
	align-items: stretch;
	justify-content: center;
	flex-wrap: wrap;
	background-color:var(--main-bg-color);
	border-radius: var(--header-bd-radius);
	margin: 1em auto;
}
main section {
	flex: 0 1  var(--main-section-max-width);
	min-width: var(--body-min-width);
}
section{
	margin:1rem;
	padding:1rem;
  color:            var(--main-section-color);
  background-color: var(--main-section-bg-color);
	border:  solid var(--header-bd-width) var(--header-bd-color);
	border-radius: var(--header-bd-radius);
}

blockquote{
	margin: 0 2rem 1rem 2rem;
	font-style: italic;
}
blockquote::before{
	content: "\201C";
	font-weight: bold;
}
blockquote::after{
	content: "\201D";
	font-weight: bold;
}


li {margin-left: 2em;}
dd {margin-left: 1em;}
dt {margin: 0; font-weight: bold;}

h5 { /* use for ul Header */
	font-size: 1rem;
	margin-bottom: 0;
}
.hr-visibility-hidden{
	width: 95%;
	margin: 0;
	visibility: hidden;
}
.Center{
	text-align: center;
}
#section-Overview {
	text-align: center;
}