.subttl {
  font-size: unset;
  margin-bottom: 2rem;
}
.subttl img {
  max-width: 100%;
}
.subttl span {
  display: block;
  font-size: .875em;
  letter-spacing: 0.1rem;
}

.ttl {
  display: block;
  position: relative;
  font-weight: bold;
  font-size: 1.07rem;
  line-height: 1.2;
  padding-left: 0.6rem;
  border-left: solid 6px #004831;
  background: transparent;
}

@media (min-width: 768px) { /* PC */
  .lead {
  letter-spacing: 0.06rem;
  }
  .ttl {
    font-size: 1.458rem;
    margin-bottom: 2rem;
  }
}