aside{min-width: 280px;max-width: 800px;width: 90%;margin-left: auto;margin-right: auto;text-align: center;}

.ifrm-wrap{
  min-width: 280px;
  max-width: 800px;
  background-color: #6666ff;
  margin: 0 auto;
  position: relative;
  width: 100%;
  padding: calc(1000/800*100%) 0 0;
}

.ifrm-wrap iframe{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/*-- 予報用語用のcss --*/
#main {
  background-color: #fff;
  padding: 1em;
}

dl {
	margin-left: 2em;
}

dt {
	font-weight: bold;
	margin-top: 0.5em;
}

dd {
	margin-left: 1em;
}

table#windscale {
	border: 1px solid #999;
	min-width: 300px;
	margin: 0 auto;
}

table#windscale td, table#windscale th {
	border: 1px solid #999;
	font-size: small;
	text-align: center;
}

p.goto {
	font-size: small;
	text-align: right;
}

p.goto::before {
	content: "▲";
}

#list {
}

#list ul {
  background-color: #9adbf9;
  height: 3em;
  margin-bottom: 1em;
}

#list li {
  display: inline-block;
  padding: 2px;
}

#list li::after {
 content: "|";
}

@media screen and (max-width: 500px) {
  .ifrm-wrap iframe {
    width: 200%;
    height: 200%;
    -moz-transform: scale(0.5,0.5);
    -webkit-transform: scale(0.5,0.5);
    -o-transform: scale(0.5,0.5);
    -ms-transform: scale(0.5,0.5);
    transform-origin:0 0;
    -o-transform-origin:0 0;
    -webkit-transform-origin:0 0;
    -moz-transform-origin:0 0;
    -ms-transform-origin:0 0;
  }

  #list ul {
    margin-left:0em;
  }
  #list li {
    font-size: small;
    padding: 0;
  }
  
  dl { margin-left:0.5em; }
}

@media screen and (min-width: 501px) {
  
}