iFrame {
    margin: 0;
    padding: 0;
    border: none;
	overflow:hidden;
	height: 2500;
	height: 100vh;
}

body {
	margin: 0;
    padding: 0;
    border: none;
}

.w-820 {
	width:820;
	height:auto;
}

.w-740 {
	width:740px;
	height:auto;
}


.ioj-img01 {
	background-image: url("introduction-of-jamgather-01.webp");
	background-color: rgba(0,0,0,0);
    width: 820;
    height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40;
    font-weight: 600;
    text-align: center;
    flex-direction: column;
}

.ioj-img01-text1 {
	margin-top:50px;
}

.introboxA1 {
	background-image: url("introduction-of-jamgather-02.webp");
	background-size: cover;
	background-color: rgba(0,0,0,0);
	width:280;
	height:187;
}

.w-260 {
	width:260px;
}

.ioj-3box {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
}

.ioj-3box1 {
	display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgb(87 87 87);
    border-radius: 100px;
    padding: 5px;
	width: fit-content;
}