html,
html { scroll-behavior: smooth;}
body {
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
}

iframe {
    /* 任意の横幅を指定 */
    height: auto;
    aspect-ratio: 16/9;
    position: absolute; top:37%; left:50%; transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    -ms-transform: translateX(-50%); width:85%; height:55%;
}

.youtube_wrap{
    position:relative; background-image:url(../../img/a-g1/05.jpg); background-size:contain;
}

.link_btn {
    width: 100%;
    transition-duration: 0.5s;
}

.link_btn:hover {
    transform: scale(1.05);
    transition-duration: 0.5s;
}

.container {
    width: 100%;
    max-width: 760px;
}

.foot_area{
    background-image: linear-gradient(-60deg, #16a085 0%, #f4d03f 100%);
    color: #fff;
    text-align: center;
    padding: 5px;
}

img {
    vertical-align: top;
    width: 100%;
}


p#footLink{
text-align:center;
font-size:14px;
padding:10px 0 0px 0;
margin-bottom:10px;
}

p#footLink a{
color:#FF3333;
}



/* --------- スクロール --------- */
.example {
  width: 90%;
  height: 150px;
  background-color:#FFF;
  overflow-y: scroll;
  margin:100px auto;
  color:#666;
}