.waku {
  padding: 1em; /*段落余白*/
  border-top: 3px solid #00c1d4; /*上の枠線*/
  border-left: 3px solid #00c1d4; /*左の枠線*/
  border-right: 5px solid #6600cc; /*右の枠線*/
  border-bottom: 5px solid #6600cc; /*下の枠線*/
  border-radius: 10px;/*角の丸み*/
}

.waku2 {
  padding: 1em; /*段落余白*/
  border-top: 3px solid #00c1d4; /*上の枠線*/
  border-left: 3px solid #00c1d4; /*左の枠線*/
  border-right: 3px solid #00c1d4; /*右の枠線*/
  border-bottom: 3px solid #00c1d4; /*下の枠線*/
  border-radius: 10px;/*角の丸み*/
}

.waku3 {
  padding: 1em; /*段落余白*/
  border-top: 3px solid #6600cc; /*上の枠線*/
  border-left: 3px solid #6600cc; /*左の枠線*/
  border-right: 3px solid #6600cc; /*右の枠線*/
  border-bottom: 3px solid #6600cc; /*下の枠線*/
  border-radius: 10px;/*角の丸み*/
}

.waku4 {
  padding: 1em; /*段落余白*/
  border-top: 3px solid #00c1d4; /*上の枠線*/
  border-left: 3px solid #00c1d4; /*左の枠線*/
  border-right: 5px solid #6600cc; /*右の枠線*/
  border-bottom: 5px solid #6600cc; /*下の枠線*/
  border-radius: 10px;/*角の丸み*/
}

.image-size-fix {
  padding:0 0 calc(1465/1800*100%) !important;
  min-height: 0 !important;
}

.waku5{
  padding: 1em; /*段落余白*/
  border-top: 3px solid #ff0000; /*上の枠線*/
  border-left: 3px solid #ff0000; /*左の枠線*/
  border-right: 5px solid #ff0000; /*右の枠線*/
  border-bottom: 5px solid #ff0000; /*下の枠線*/
  border-radius: 10px;/*角の丸み*/
}

.waku6{
  padding: 1em; /*段落余白*/
  border-top: 3px solid #00c1d4; /*上の枠線*/
  border-bottom: 3px solid #6600cc; /*下の枠線*/
}

.waku7{
  border: 3px solid #d3d3d3; 
  padding: 10px;
  border-radius: 10px;/*角の丸み*/
}