* {
    padding: 0;
    margin: 0;
}
.header {
     background-color: #7AD2F7;
     width: 100%;
}
.container {
    margin: 0 auto;
    width: 1080px;
    position: relative;
}
a {
    text-decoration: none;
}
img {
    width: 100%;
}
.logo {
    width: 100px;
}
.fv-img{
    width: 100%;
    position: relative;
    z-index: 1;
}
.fv-box {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    text-align: center;
    width: 100%;
    z-index: 99;
}
.fv {
    position: relative;
}
.fv-title {
    color: white;
    font-size: 50px;
    margin-bottom: 30px;
}
.fv-text {
    color: white;
    margin-bottom: 50px;
}
.fv-btn a {
    color: white;
    background-color: #7AD2F7;
    padding: 16px 80px;
    border-bottom: solid 6px #99ccff;
    display: inline-block;
    text-decoration: none;
    font-size: 20px;
}
.fv-btn a:hover {
    color: #7AD2F7;
    background-color: white;
}
.what {
    color: white;
    background-color: #7AD2F7;
    padding: 60px;
}
.what-title {
    text-align: center;
}

.content {
    padding: 80px 0;
    font-size: 16px;
    line-height: 1.8;
}
.overlay {
    background-color: black;
    opacity: 0.4;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    z-index: 9;
    position: absolute;
}
.fv-btn {
    text-align: center;
}
.menber {
  width: 300px;  
}

.midashi {
    font-size: 40px;
    text-align: center;
    padding: 20px;
}
.real {
    color: white;
    text-align: center;
    background-color: #91c9a7;
}


.real-list {
    width: 32%;
    display: inline-block;
    vertical-align: bottom;
}

.real-list p {
    font-size: 16px;
    text-align: left;
    margin-bottom: 20px;
}
.youtube {
    text-align: center;
    background-color: #7AD2F7;
    color: white;
    font-size: 50px;
}
.kako-title {
    background-color: #D5F3E0;
    text-align: center;
    font-size: 500px;
}
.kako-list {
    width: 32%;
    text-align: center;
    background-color: #D5F3E0;
    display: inline-block;
    vertical-align: bottom;
}
.kako {
    background-color: #D5F3E0;
}
.youtube-box {
    font-size: 16px;
}

.youtube-list li {
    width: fit-content;
    margin: auto;
}
.youtube-toha {
    padding-top: 40px;
}
.kodomo-setumei-title {
    text-align: center;
}
.youtube-title {
}
.youtube-setumei {
    padding-bottom: 40px;
}
.youtube-btn a {
    color: #D5F3E0;
    background-color: #668AA8;
    padding: 16px 80px;
    border-bottom: solid 6px #99ccff;
    display: inline-block;
    text-decoration: none;
    font-size: 20px;
    font-weight: bold;
}

.youtube-btn a:hover {
    color: #668AA8;
    background-color: #D5F3E0;
}