@charset "UTF-8";

h1.h2title {
  font-weight: bold;
  font-size: 150%;
  color: #63758f;
}

h2 {
  font-size: 150%;
  font-weight: bold;
  margin-top: 3.4rem;
}
h3 {
  font-size: 135%;
  font-weight: bold;
  margin-top: 2.5rem;
}
h4 {
  font-size: 115%;
  font-weight: bold;
  margin-top: 1.6rem;
}
p, li {
  font-size: 100%;
}
.imgset {
  display: flex;
  justify-content: space-around;
  background: #fff;
  margin: max(2.5vw, 10px);
  position: relative;
  padding: 2rem 1rem 1rem 1rem;
}
.imgset figure {
  width: 49%;
}
.imgset .arrow {
  position: absolute;
  width: 30px;
  height: 20px;
  background: #000;
  left: calc(50% - 25px);
  top: calc(50% - 10px);
}
.imgset .arrow::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -10px;
  width:40px;
  height: 40px;
  border:transparent 20px solid;
  box-sizing: border-box;
  border-left: #000 20px solid;
}
figcaption { text-align: center;}
.fig {
  margin: 5px 0 0 0;
  padding: 10px;
  background: #f0f0f0;
  text-align: center;
}
.fig_a_or_b {
  margin: 5px 0 0 0;
  padding: 5px 10px;
  margin-left: 5px;
  background: #f0f0f0;
}
.flex {
  display: flex;
}
dl.note {
  margin-top: 15px;
  background: #e6f3ff;
  padding-top: 20px;
}
dl.note dt {
  font-size: 100%;
  font-weight: bold;
  text-align: center;
}
dl.note dd {
}

.triangle {
  display: inline-block;
  width: 20px;
  color: #fff;
  font-weight: bold;
  position: relative;
  text-align: center;
  z-index: 1;
}
.triangle::before {
  content: "";
  display: block;
  position: absolute;
  width: 20px;
  height: 40px;
  border-top: transparent 20px solid;
  border-bottom:#1482F6 20px solid;
  border-left: transparent 10px solid;
  border-right: transparent 10px solid;
  box-sizing: border-box;
  left: 0;
  bottom: 2px;
  z-index: -1;
}
dl.note .imgset { padding-top: 10px; background: #e6f3ff;}
dl.note .imgset figure { text-align: center;}
dl.note .imgset img { width: 100%; max-width: 250px}

@media only screen and (min-width: 783px) {
  .pcFlex {
    display: flex;
  }
}