@-webkit-keyframes heart {
  0% {
    transform: scale(1);
  }
  12% {
    transform: scale(1.2);
  }
  24% {
    transform: scale(1);
  }
  36% {
    transform: scale(1.2);
  }
  48% {
    transform: scale(1);
  }
  100% {
    transform: scale(1);
  }
}
@keyframes heart {
  0% {
    transform: scale(1);
  }
  12% {
    transform: scale(1.2);
  }
  24% {
    transform: scale(1);
  }
  36% {
    transform: scale(1.2);
  }
  48% {
    transform: scale(1);
  }
  100% {
    transform: scale(1);
  }
}
@-webkit-keyframes swing {
  0% {
    transform: rotate(0deg);
  }
  40% {
    transform: rotate(0deg);
  }
  50% {
    transform: rotate(9deg);
  }
  60% {
    transform: rotate(-6deg);
  }
  70% {
    transform: rotate(3deg);
  }
  80% {
    transform: rotate(-3deg);
  }
  90% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(0deg);
  }
}
@keyframes swing {
  0% {
    transform: rotate(0deg);
  }
  40% {
    transform: rotate(0deg);
  }
  50% {
    transform: rotate(9deg);
  }
  60% {
    transform: rotate(-6deg);
  }
  70% {
    transform: rotate(3deg);
  }
  80% {
    transform: rotate(-3deg);
  }
  90% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(0deg);
  }
}
@-webkit-keyframes wave_loop {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-100%);
  }
}
@keyframes wave_loop {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-100%);
  }
}
body#concept .main {
  width: 56.25rem;
  margin: 0 auto 6.25rem;
}
@media (max-width: 768px) {
  body#concept .main {
    width: 100%;
    margin-bottom: 20.8333333333vw;
    padding: 0 4.1666666667vw;
  }
}
body#concept .main .section {
  width: 40rem;
  margin-right: auto;
  margin-left: auto;
}
@media (max-width: 768px) {
  body#concept .main .section {
    width: 100%;
  }
}
body#concept .main .section + .section {
  background-image: none;
}
body#concept .main .subject {
  display: flex;
  justify-content: center;
}
body#concept .main .subject h3 {
  margin-bottom: 0;
  padding-bottom: 0.3125rem;
  border-bottom: solid 0.3125rem #900;
  font-family: "Shippori Mincho", serif;
  font-size: 1.875rem;
  font-weight: 700;
}
@media (max-width: 768px) {
  body#concept .main .subject h3 {
    padding-bottom: 1.0416666667vw;
    border-width: 1.0416666667vw;
    font-size: 6.25vw;
  }
}
body#concept .main figure {
  margin-top: 2.5rem;
  text-align: center;
}
@media (max-width: 768px) {
  body#concept .main figure {
    margin-top: 8.3333333333vw;
  }
}
body#concept .main p {
  margin-top: 2.5rem;
}
@media (max-width: 768px) {
  body#concept .main p {
    margin-top: 8.3333333333vw;
  }
}
body#concept .main p.intro {
  text-align: center;
}
@media (max-width: 768px) {
  body#concept .main p.intro {
    text-align: left;
  }
}