body {
	font-family: Arial, sans-serif;
	margin: 0;
	padding: 0;
	background-color: #faf4f4;
	color: #333;
}
header {
	background-color: #ff4500;
	color: white;
	padding: 20px 0;
	text-align: center;
}
h1 {
	margin: 0;
	font-size: 2.5em;
}
h2{
	color: #333333;/*文字色*/
	border: solid 3px #ff6347;/*線色*/
	padding: 0.8em;/*文字周りの余白*/
	border-radius: 0.5em;/*角丸*/
	background-color: #ffffff;
}
main {
	padding: 20px;
	max-width: 800px;
	margin: 0 auto;
}
section {
	padding: 14px;/*文字周りの余白*/
	margin-bottom: 40px;
	background-color: #fff;
	border-radius: 5px;
	box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

p {
font-size: 1.2em;
line-height: 1.6;
margin-bottom: 20px;
}
img{
	width: 320px;
}

ul {
list-style-type: none;
padding: 0;
}

ul li {
background-color: #fff;
margin: 10px 0;
padding: 10px;
border-radius: 5px;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

strong {
color: #6a9fb5;
}

button {
background-color: #6a9fb5;
color: white;
padding: 10px 20px;
border: none;
border-radius: 5px;
cursor: pointer;
font-size: 1.2em;
}

button:hover {
background-color: #558da3;
}

footer {
	background-color: #ff4500;
	color: white;
	text-align: center;
	padding: 10px 0;
	width: 100%;
}

.admax{
	margin: 10px auto;
	text-align: center;
}
.youtube{
	width: 100%;
	aspect-ratio: 16 / 9;
}
.youtube iframe{
	width: 100%;
	height: 100%;
}
.str_bold{
	font-weight: bold;
}

.pc{
	display: block;
}
.sp{
	display: none;
}
@media (max-width: 720px) {
	main {
		padding: 10px;
	}
	.pc{
		display: none;
	}
	.sp{
		display: block;
	}
}