.p-useful-category {
  margin-bottom: 1rem;
}
.p-useful .p-article-headline {
  font-size: 3.6rem;
  line-height: 1.1111111111;
  color: #0b78a2;
}
.p-useful .p-article-headline-small {
  font-size: 2.8rem;
  line-height: 1.0714285714;
}
.p-useful-date {
  margin-top: 1.5rem;
}
.p-useful .p-article-body {
  border-top: 10px solid #f4f5f8;
  margin-top: 1rem;
  padding-top: 3rem;
}
.p-useful-eyecatch {
  display: block;
  max-width: 600px;
  margin: 3rem auto;
}
.p-useful-txt-red {
  color: #e61f20;
}
.p-useful-txt-indent {
  padding-left: 2em;
}
.p-useful-btn {
  margin: 1.5rem 0;
}
.p-useful-btn .c-btn {
  font-size: 2rem;
  line-height: 1.5;
  color: #fff;
  font-weight: 700;
  margin: 0;
  text-decoration: none;
}
.p-useful-btn .c-btn:hover {
  color: #e61f20;
}
.p-useful .company-block .company-img {
  width: 30rem;
  height: 30rem;
}
.p-useful-contact {
  border-top: 10px solid #f4f5f8;
  margin-top: 10rem;
  padding-top: 3rem;
}
.p-useful-contact-top {
  margin: 1rem 0 5rem 0;
}
.p-useful-contact-txt {
  font-size: 2.8rem;
  line-height: 1.4285714286;
  font-weight: 700;
  margin-bottom: 3.7rem;
  text-align: center;
}
@media screen and (max-width: 767px) {
  .p-useful-contact-txt {
    font-size: 2rem;
    line-height: 1.5;
  }
}
.p-useful-contact-btn {
  display: flex;
  justify-content: space-around;
}
@media screen and (max-width: 767px) {
  .p-useful-contact-btn {
    display: block;
  }
  .p-useful-contact-btn .c-btn {
    margin-bottom: 3rem;
  }
}
