body{
    margin: 0px;
    background-color: #ffeef7;
}

.header{
    width: 100%;
    height: auto;
    background-color: #ff91cd;
    color: #ffeef7;
    font-weight: bold;
    font-size: 18px;
    text-align: center;
    padding-top: 40px;
    padding-bottom: 40px;
    margin: 0px;
}


.title{
    width: 100%;
    height: auto;
    color: #ff91cd;
    font-weight: bold;
    font-size: 24px;
    text-align: center;
    margin: 0px;
    padding-top: 5px;
    padding-bottom: 5px;
    position: relative;
}

.title2{
    width: 100%;
    height: auto;
    color:#ff91cd;
    font-weight: bold;
    font-size: 48px;
    text-align: center;
    margin: 0px;
    padding-top: 5px;
    padding-bottom: 25px;
    position: relative;
}
.ma{
    display: flex;
    margin: auto;
    position: relative;
}
.contents{
    width: 680px;
    margin-left: auto;
    margin-right: auto;
}
.introduction{
    width: 100%;
    white-space: nowrap;
    height: auto;
    color: #ff91cd;
    font-weight: bold;
    font-size: 18px;
    text-align: center;
    margin: 0px;
    padding-top: 25px;
}

.subtitle{
    color:#ff91cd;
    font-size: 24px;
    border-bottom: 1px solid #ff91cd;
    padding-bottom: 10px;
    margin-top: 80px;
}

.howto_step{
    font-weight: bold;
    font: size 18px;
    color: #ff91cd;
    padding: 10px;
    position: relative;
    display: flex;
    gap: 0px 30px;
    margin-top: 60px;
}
.howto_number{
    font-size: 40px;
    color: #ff91cd;
    font-weight: bold;
    width: 60px;
    height: 60px;
    text-align: center;
    border-radius: 30px;
    position: absolute;
    left: -30px;
    top: -30px;
}

.others{
    width: 1000px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}
.others_viewport{
    width: 100%;
    display: flex;
    flex-wrap: nowrap;
    gap: 20px 20px;
    overflow: hidden;
}

.others_buttom{
    margin:auto;
    width: 600px;
    aspect-ratio: 5/3;
    display: block;
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    flex-shrink: 0;
    transition: left 0.3s ease-out;
}
.others_image{
    display: block;
    width: 100%;
    height: 100%;
}

.others_buttom:hover .others_black_layer{
    opacity: 0;
}
.others_buttom:hover .others_dot_layer{
    opacity: 0;
}
.others_buttom:hover .others_image{
    transform: scale(1.2);
    transition: transform 0.5s ease-out;
}