* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    background-image: url(../images/ht-bg-pattern.png), linear-gradient(45deg, #effacf, #23a7bf);
    position: static;
    overflow: hidden;
}
.container {
    margin: 0;
    width: 100%;
    height: 100px;
    justify-content: center;
    position: absolute;
    display: flex;
}
.contents-container{
	margin: 0px auto;
	max-width: 90%;
}

/* PCの時のみ */
@media (min-width: 768px) {
body{
		background-size: 100% 200px, 100%;
		font-size: 14px;
	}
	.header-container{
		padding: 10px 20px;
	}
	.contents-container{
		padding: 0% 20px;
	}
}
h2 {
    color: #fff;
    font-size: 3rem;
    position: absolute;
    z-index: 50;
}
h3 {
	color: #0033ff;
}
.block {
    position: absolute;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: rgb(165, 212, 117);
    box-shadow: 10px 10px 50px rgba(0d, 0, 0, 0.2);
}