.contents-banner {
  background-color: #5e5e5e;
}
.contents-block {
  padding-bottom: 2em;
  background-color: #5e5e5e;
}
.device-color-btn.color1 {
  background-color: #BA2625;
}
.device-color-btn.color2 {
  background-color: #101016;
}
.device-color-list li {
   position: relative;
}
.device-color-btn {
  position: relative;
  overflow: hidden;
}
.device-color-btn.current::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
}
@media screen and (min-width:640px) {
.main-text {
  font-size: 1.6rem;
}
.comment-box {
  margin: 0 2rem 1em;
}
}
@media screen and (min-width:960px) {
.contents-block {
  padding-right: 5rem;
  padding-left: 5rem;
}
.comment-box {
  margin: 0;
}
}