@media print, all and (min-width: 751px) {
  .is-hidden_pc {
    display: none;
  }
}
@media print, all and (max-width: 750px) {
  .is-hidden_sp {
    display: none;
  }
}
body.research #content {
  letter-spacing: 0.02em;
}
body.research #title {
  background-image: url(../images/research/title-bg.jpg);
}
body.research #content .image-box {
  text-align: center;
  margin-top: 40px;
}
body.research #content .col {
  display: flex;
  justify-content: space-between;
  gap: 35px;
}
body.research #content .col p {
  flex: 1;
}
body.research #content .col .image-box {
  width: 250px;
  margin-top: 0;
}
body.research #content .col .image-box figcaption {
  line-height: 1.5;
  text-align: left;
  margin-top: 5px;
  padding-left: 15px;
}
body.research #content .col.center {
  justify-content: center;
  gap: 80px;
}

.research-sublist {
  margin-top: 72px;
}
.research-sublist li:not(:last-child) {
  margin-bottom: 30px;
}
.research-sublist li > .image-box {
  margin-top: 25px;
}
.research-sublist h3 {
  font-size: 150%;
  font-weight: bold;
  border-bottom: solid 0.5px #000;
  line-height: 1.5;
  margin-bottom: 30px;
  letter-spacing: 0.02em;
}

.research-title {
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  gap: 25px;
}
.research-title span {
  display: block;
}
.research-title .title-level02 {
  flex: 1;
  margin: 0;
  letter-spacing: 0.045em;
  padding-left: 8px;
}
.research-title .head {
  font-size: 150%;
  background-color: #0091af;
  padding: 6px 30px;
  font-family: YuGothic, "Noto Sans JP", sans-serif;
  color: #fff;
  line-height: 1.2;
  font-weight: bold;
}

@media all and (min-width: 751px) {
  /* INDEX */
}
@media only screen and (max-width: 750px) {
  body.research #content .image-box {
    text-align: center;
    margin-top: 40px;
  }
  body.research #content .col {
    flex-direction: column;
    align-items: center;
    gap: 15px;
  }
  body.research #content .col .image-box {
    width: auto;
  }
  body.research #content .col .image-box figcaption {
    padding-left: 0px;
  }
  body.research #content .col.center {
    gap: 20px;
  }
  /* INDEX */
  .research-sublist {
    margin-top: 30px;
  }
  .research-sublist li:not(:last-child) {
    margin-bottom: 15px;
  }
  .research-sublist li > .image-box {
    margin-top: 10px;
  }
  .research-sublist h3 {
    font-size: 112.5%;
    margin-bottom: 15px;
  }
  .research-title {
    margin-bottom: 20px;
    gap: 10px;
    flex-direction: column;
    align-items: flex-start;
  }
  .research-title .title-level02 {
    width: 100%;
    padding-left: 0px;
  }
  .research-title .head {
    font-size: 125%;
    padding: 5px 20px;
  }
}