.idea-area__hd {
  padding: 40px;
  text-align: center;
}
.idea-area__h2 {
  display: inline-block;
  font-size: 28px;
  color: #000;
  line-height: 32px;
  text-align: center;
  position: relative;
  font-weight: 500;
}
.idea-area__h2:after {
  content: '';
  position: absolute;
  bottom: -14px;
  left: 50%;
  width: 40px;
  height: 6px;
  margin-left: -20px;
  border-radius: 40px;
  background-color: var(--brand-color);
  z-index: 2;
}
.idea-area__bd {
  padding: 40px 0;
}
.idea-bd__title {
  font-size: 16px;
  color: #000;
  line-height: 1.5;
  text-align: center;
}
.idea-bd__imgArea {
  max-width: 540px;
  margin: 40px auto;
}
.idea-bd__img {
  width: 100%;
  height: auto;
}
.idea-bd__warp_gray {
  background-color: #f2f2f2;
}
.idea-bd__cells {
  max-width: 1000px;
  padding: 40px 30px;
  margin: 0 auto;
}
.idea-bd__cell {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: flex-start;
}
.idea-cell__hd_right {
  text-align: right;
}
.idea-cell__title {
  margin-bottom: 40px;
}
.idea-cell__title_txt {
  display: inline-block;
  font-size: 28px;
  color: #000;
  line-height: 1.6;
  font-weight: 500;
  position: relative;
}
.idea-cell__title_txt:after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 40px;
  height: 6px;
  border-radius: 40px;
  background-color: var(--brand-color);
  z-index: 2;
}
.idea-cell__note {
  font-size: 16px;
  color: #000;
  line-height: 1.6;
  margin-bottom: 10px;
}
.idea-cell__note:last-child {
  margin-bottom: 0;
}
.idea-cell__info {
  font-size: 22px;
  color: #000;
  line-height: 1.6;
  margin-bottom: 10px;
  font-weight: 500;
}
.idea-cell__img {
  height: auto;
}
.idea-cell__hd_right .idea-cell__title_txt:after {
  left: 72px;
}