.ribbon21-wrapper {  
  display: block;
  position: relative;
  margin: 0 auto;
  padding: 20px;
  width: 100%;
  background: #fff;
  filter: drop-shadow(10px 10px 10px rgba(0,0,0,0.6));
  }
.ribbon21 {
  display: inline-block;
  position: absolute;
  left: 0;
  top: 10px;
  box-sizing: border-box;
  padding: 0 10px;
  margin: 0;
  height: 30px;
  line-height: 30px;
  font-size: 18px;
  letter-spacing: 0.1em;
  color: white;
  background: #112485;
  box-shadow: 1px -1px 1px rgba(0, 0, 0, 0.1);
  
}
.ribbon21:before {
  position: absolute;
  content: '';
  top: -8px;
  left: -7px;
  border: none;
  height: 38px;
  width: 7px;
  background: #112485;
  border-radius: 5px 0 0 5px;
}
.ribbon21:after {
  position: absolute;
  content: '';
  top: -7px;
  left: -5px;
  border: none;
  height: 7px;
  width: 5px;
  background: #333;
  border-radius: 5px 0 0 5px;
}

.kodawari {
  background: linear-gradient(#172b40, #112485);
  padding: 0em;/*文字まわり（上下左右）の余白*/
  text-align:center;
  color:#fff;
  font-weight:bold;
}

.f-80 {
	font-size: 80px;
	font-weight:bold;
}

@media screen and (max-width:767px) {
.f-80 {
	font-size: 40px;
	font-weight:bold;
}
}