.side_menu {
  display: inline-block;
  width: 100%;
  box-sizing: border-box;
  background-color: #c8c6cc;
  color: #1d244a!important;
  padding: 5px 5px 3px 5px;
  margin-bottom: 3px;
  text-decoration: none!important;
}
.heading2 {
  font-size: 24px;
  font-weight: 700;
  background-color: #e0e5f7;
  color: #434866;
  padding: 20px 20px 18px 20px;
  margin-top: 30px;
  margin-bottom: 15px;
  border-radius: 5px;
  box-sizing: border-box;
  letter-spacing: 4px;
}
.heading2:first-child {
  margin-top: 0;
}
.heading3 {
  font-size: 20px;
  color: #3e3a39;
  font-weight: normal;
  position: relative;
  margin-top: 40px;
  margin-bottom: 20px;
  padding-left: 22px;
}
.heading3::before {
  display: block;
  content: "";
  width: 100%;
  height: 2px;
  background-color: #333;
  position: absolute;
  top: -18px;
  left: 0;
}
.heading3::after {
  content: "";
  width: 15px;
  height: 15px;
  background-color: #b0afaf;
  border-radius: 2px;
  position: absolute;
  top: 0.1rem;
  left: 0;
}


/* -----事業案内----- */
.text_coulmn {
  display: flex;
  box-sizing: border-box;
  gap: 10px;
}
.text_content {
  width: 33.333%;
  font-size: 13px;
  line-height: 1.5;
}
.jigyou_gallary {
  display: grid;
  grid-template-columns: repeat(3, 32%);
  gap: 2%;
  margin-bottom: 10px;
}
.jigyou_gallary__img {
  width: 100%;
}