.useful-sky-lead {
  padding: 100px 0 60px;
  text-align: center;
}
.useful-sky-lead p {
  margin-top: 40px;
  line-height: 2;
  font-size: 1.8rem;
}
.useful-sky-contents {
  position: relative;
  height: calc(100vh - 100px);
  height: calc(100dvh - 100px);
  overflow: hidden;
}
.useful-sky-contents > img {
  width: 100%;
  height: 100%;
  position: absolute;
  -o-object-fit: cover;
  object-fit: cover;
}
.useful-sky-contents > h2 {
  position: absolute;
  top: -10px;
  left: 40px;
}
.useful-sky-contents-info {
  position: absolute;
  left: 40px;
  top: 140px;
  color: #fff;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.8);
}
.useful-sky-contents-info > h3 {
  font-weight: 500;
}
.useful-sky-contents-info > p {
  margin-top: 10px;
  font-size: 1.8rem;
  line-height: 1.8;
}
.useful-sky-contents-info > ul {
  margin: 20px auto 0;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  font-size: 1.4rem;
  font-weight: bold;
  gap: 10px 20px;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
}
@media screen and (max-width: 767px) {
  .useful-sky-lead {
    padding: 40px 0 40px;
  }
  .useful-sky-lead h1 {
    margin: 0 auto;
    width: 300px;
  }
  .useful-sky-lead p {
    margin-top: 30px;
    font-size: 1.6rem;
  }
  .useful-sky-contents {
    height: calc(100vh - 65px);
    height: calc(100dvh - 65px);
  }
  .useful-sky-contents > h2 {
    left: 20px;
    width: 100px;
  }
  .useful-sky-contents-info {
    width: 100%;
    left: 0;
  }
  .useful-sky-contents-info > h3 {
    text-align: center;
  }
  .useful-sky-contents-info > p {
    margin-top: 20px;
    text-align: center;
  }
  .useful-sky-contents-info > ul {
    margin-top: 30px;
    max-width: 80%;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
  }
}