.btn--yellow {
  color: #000;
  background-color: #fff100;
  border-bottom: 5px solid #ccc100;
}

.btn--yellow:hover {
  margin-top: 3px;
  color: #000;
  background: fff20a;
  border-bottom: 2px solid #ccc100;
}

.flex {
  display: flex;
  justify-content: space-between;
}
.flex>p{
  width: 49%;
}

.kadomaru {
  background-color: rgb(0, 162, 255);
  border-radius: 1em;
  box-shadow: 3px 3px 1px olive;
}

span.bottom {
  position: absolute;
  bottom: 0;
}

.box_01 {
  border: solid 2px #27acd9;
  padding: 1em;
}

.box_02 {
  border: solid 2px #27acd9;
  border-radius: 10px;
  padding: 1em;
}

.box_03 {
  border: double 4px #27acd9;
  border-radius: 10px;
  padding: 1em;
}

.title-box3{
  margin: 1em 0;
  background-color: #e3f2fd;
  border: 2px solid #2196f3;
  letter-spacing: .3px;
}

.title-box3-title{
  color: #fff;
  font-weight: bold;
  background-color: #2196f3;
  padding: 4px 6px;
  text-align: center;
}

.title-box3 p{
  margin: 0;
  padding: 1em;
}

.normal-box4{
  margin: 1em 0;
  padding: 1em;
  background-color: #b3e5fc;
  border: solid 3px #29b6f6;
}

.normal-box p{
  margin: 0;
  padding: 0;
}

.arrow {
  display: inline-block;
  position: relative;
  width: 1.5em;
  height: 2em;
  color: #3388dd;
  font-size: 50px;
  transform: rotate(90deg);
}
.arrow::before,
.arrow::after {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  content: "";
}
.arrow::before {
  right: -1em;
  width: 0px;
  height: 0px;
  border: 1em solid transparent;
  border-left: 1em solid currentColor;
}
.arrow::after {
  left: 0px;
  width: 0.5em;
  height: 1em;
  background-color: currentColor;
}

.uline {
  border-bottom: 1px solid;
}

/*
.js-modal-video {
  background-color: #fffacd;
  border: 1px solid #333;
  border-radius: 10px;
  color: black;
  display: inline-block;
  margin: 30px;
  padding: 10px;
  text-decoration: none;
}
*/