.flex {
  display: flex;
  flex-wrap: nowrap;
  flex-direction: column;
  width: 100%;
}

.lineup_midasi {
  flex-direction: column;
}

.lineup_midasi {
  width: 100%;
  display: flex;

}

.lineup_midasi h2 {
  font-weight: 600;
  font-size: 1.4rem;
  letter-spacing: .25rem;
}

.lineup_midasi h2 span {
  font-size: .6em;
  font-weight: 100;
  display: inline-block;
  padding-left: 2rem;
}

.lineup_midasi h3 {
  font-size: 1.1rem;
  letter-spacing: .2rem;
  margin-top: 6px;
}

.img_box {
  padding: 1rem;
}

.img_box img {
  max-height: 160px;
}


@media screen and (max-width: 576px) {
  .lineup_midasi {
    padding: 0 1rem;
  }

  .lineup_midasi h2 {
    font-size: 1.2rem;
    letter-spacing: .3rem;
    line-height: 1;
  }

  .lineup_midasi h2 span {
    padding-left: 0;
  }

  .lineup_midasi h3 {
    font-size: .9rem;
    margin-top: 1.2rem;
  }

  .img_box {
    padding: 0 2rem;
    text-align: center;
  }

  .img_box img {
    max-height: 120px;
  }
}

.casebox {
  display: grid;
  grid-template-rows: auto;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4rem;
  margin: 3rem 0;
}

.casebox p.company {
  font-weight: 600;
  font-size: 1rem;
  margin-top: 4px;
}

.casebox p.jirei_title {
  font-weight: 300;
  font-size: .9rem;
  margin-top: 4px;
}


ul.works {
  font-size: .8rem;
  margin-top: 1.4rem;
}

ul.works li {
  padding-bottom: 4px;
}

.jirei_img img {
  border-radius: 12px;
}

.jirei_content {
  padding: 0 1rem;
}

@media screen and (max-width: 576px) {
  .casebox {
    grid-template-rows: auto;
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 0 1rem;
  }

}


.knowhow {
  display: grid;
  grid-template-rows: auto;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4rem;
  margin: 3rem 0;
}

.knowhow_in {
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.1);
  position: relative;
  background-color: #f9f9f9;
  border-radius: 8px;

}

.knowhow_in:hover {
  box-shadow: 0 10px 20px 0 rgba(0, 0, 0, .1);
}

.knowhow_in p.tag {
  position: absolute;
  top: 0;
  left: 0;
  background-color: #000;
  color: #fff;
  padding: .2rem;
  font-size: .8rem;
  z-index: 99;
  border-top-left-radius: 8px;
}

.knowhow_img {
  overflow: hidden;
  position: relative;
  height: 200px;
  border-top-right-radius: 8px;
  border-top-left-radius: 8px;
}

.jirei_img {
  overflow: hidden;
  position: relative;
  border-radius: 8px;
  height: 200px;
}

.knowhow_img:hover img,
.jirei_img:hover img {
  transform: scale(1.1);
  transition: all 0.3s ease-out;

}

.knowhow_content {
  padding: .5rem 1rem .8rem;
}

p.date {
  font-size: .8rem;
  font-weight: 600;
  color: #888;
  margin-top: 0 !important;
}

p.jirei_title {
  margin-top: .6rem;
  font-size: .9rem;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

@media screen and (max-width: 576px) {
  .knowhow_content {
    width: calc(100% - 130px);
    padding: .5rem 1rem;
  }

  .knowhow_in {
    display: inline-flex;
    width: 100%;
  }

  .knowhow {
    grid-template-columns: 1fr;
    gap: 1rem;
    margin: 3rem 0;
    padding: 0 1rem;
  }

  .knowhow_img {
    overflow: hidden;
    display: inherit;
    max-height: 120px;
    height: auto;
    max-width: 150px;
    border-top-left-radius: 8px;
    border-top-right-radius: 0;
    border-bottom-left-radius: 8px;

  }

  .knowhow_img img {
    width: 100%;
    height: auto;
    object-fit: cover;
  }

  .num02 {
    padding-top: 0;
  }

  .pt4rem {
    padding-top: 2rem !important;
  }

  .knowhow_in p.tag {
    font-size: .53rem;
  }

}

.pt4rem {
  padding-top: 4rem;
}

.pb4rem {
  padding-bottom: 4rem;
}