.col01-header {
  margin-top: 50px;
  padding-bottom: 5px;
  font-weight: bold;
  border-bottom: #B5C5CE 2px solid;
}
.col01-header > div.date {
  font-size: 1.2rem;
  color: #008CC3;
}
.col01-header > div.title {
  margin-top: 2px;
  font-size: 2.4rem;
}

.col01-main {
  margin-top: 30px;
  font-size: 1.4rem;
  line-height: 1.8;
}
.col01-main > p {
  margin-top: 20px;
}
.col01-main > p > a {
  color: #008CC3;
}

.col01-relation--wrapper {
  margin: 50px calc(50% - 50vw);
  padding: 20px;
  background-color: #f5f5f5;
  width: 100vw;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.col01-relation--title {
  font-weight: bold;
  font-size: 1.6rem;
  max-width: 1200px;
  width: 100%;
}
.col01-relation--list {
  display: flex;
  gap: 20px;
  width: 100%;
  margin-top: 20px;
  flex-wrap: wrap;
  max-width: 1200px;
}
.col01-relation--list li {
  max-width: calc((100% - 100px) / 6);
  width: calc((100% - 100px) / 6);
}
@media (max-width: 1024px) {
  .col01-relation--list li {
    min-width: calc((100% - 60px) / 4);
    width: calc((100% - 60px) / 4);
  }
}
@media (max-width: 767px) {
  .col01-relation--list li {
    min-width: calc((100% - 20px) / 2);
    width: calc((100% - 20px) / 2);
  }
}
.col01-relation--list li a {
  background-color: #fff;
  padding: 20px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: #333;
}
.col01-relation--list li a > div.thumbnail {
  text-align: center;
}
.col01-relation--list li a > div.thumbnail img {
  width: 80%;
  max-height: 200px;
}
.col01-relation--list li a > div.title {
  margin-top: 10px;
  font-weight: bold;
  font-size: 1.4rem;
  width: 100%;
}
.col01-relation--list li a > div.date {
  margin-top: 4px;
  font-size: 1rem;
  width: 100%;
}