@charset "UTF-8";
/* CSS Document */

*{
	box-sizing: border-box;
}


body {
	font-family:Arial, Helvetica, sans-serif;
	font-size: 1em; /* 16px */
	margin:0;
	padding:0;
}

p {
	font-size: .8125em; /* 13px */ 
	line-height: 18px; 
}

h1, h2 {
	font-family: Georgia, "Times New Roman", Times, serif;
}

h1 {
	color: #ffffff;
	font-size: 1.75em; /* 28px */
}

h2 {
	font-size: 1.25em; /* 20px */
	margin-bottom: 10px;
}

img {max-width:100%;
	height: auto;
	display: block;
}

#wrapper {
	width: 81.699%; /* 1000px/1224= 0.81699 * 100= 81.699% */
	margin-left: auto;
	margin-right: auto;
}

header {
	width: 100%;
	background: #39F;
	padding: 0.875em; /* 14px */
}

nav ul {
	margin: 6px 0;
	padding-left:0;
	font-size: 0.875em; /* 14px */
	text-align: center;
}

nav li {
	background:#0033FF;
	color: #ffffff;
	display: inline-block;
	list-style:none;
	margin: 0 0.375em; 
	padding: 6px 0;
	width: 14.7%; /* 147px*/
	text-align:center;
}

nav li.home {
	margin-left:0;
}

nav li.contact {
	margin-right:0;
}

main {
	width:100%;
}

#container{display: flex;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 0.375em;}

section {
	width: 63.5%;	
}

aside {
	overflow: hidden;
	width: 28.2%; 
	background:#6600CC;
	padding: 0.875em;
	min-height: 265px;

}

aside h1 {
	margin-bottom: 12px;
	
}

aside p {
	color: #ffffff;
}

#column {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 0.9375em; /* 15px */
}

.column-left,
.column-center,
.column-right {
	width: 28.2%; 
	background:#FF3;
	min-height:150px;
	padding: 0.875em; /* 14px */
}

.column-left {
	margin: 12px 0;
}

.column-center {
	margin: 12px .9375em 0; 
}

.column-right {
	margin: 12px 0;
}

footer {
	width: 100%;
	background:#F00;
	text-align:center;
	padding:6px 0;
}

footer p {
	color: #ffffff;
	font-size:0.625em; /* 10px */}

@media (max-width: 900px){
	#container {gap: 0.1em;}
	section {width: 55%;}
	aside {width: 40%;}
	nav li{width: 30%; margin: .375%}
}

@media (max-width: 600px){
	h1{font-size: 1em;}
	nav li{width: 100%; 
	display: block; margin: 0.25em 0;}
	section, aside {width: 100%;}
	aside {min-height: auto;}
	.column-left, .column-center, .column-right {width: 100%;}
}