.contact-banner {
  display: block;
  position: relative;
  padding: 80px 0;
  width: 100%;
  overflow: hidden;
  margin-bottom: 100px;
  background: linear-gradient(0deg, #CC1F22, #fc3047);
  background-size: 100% 150%;
  background-position: top;
  transition: background-position 0.5s ease;
}
.contact-banner:hover {
  background-position: bottom;
}
.contact-banner img {
  position: relative;
  transition: right 0.5s ease;
  right: 0;
}
.contact-banner:hover img {
  right: -10px;
}
@media (max-width: 768px) {
  .contact-banner {
    padding: 60px 0;
    margin-bottom: 60px;
  }
}
@media (max-width: 480px) {
  .contact-banner {
    padding: 40px 0;
    margin-bottom: 40px;
  }
}
.contact-banner .container {
  max-width: 840px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
@media (max-width: 768px) {
  .contact-banner .container {
    justify-content: space-between;
    padding: 0 20px;
    text-align: left;
  }
}
.contact-banner__content {
  flex: 1;
  position: relative;
}
.contact-banner__content::after {
  content: "";
  position: absolute;
  top: 50%;
  left: -50px;
  transform: translateY(-50%);
  width: 40%;
  height: 300px;
  background: url("../images/common/logo_alpha.png") no-repeat;
  background-position: center;
  background-size: contain;
  opacity: 0.3;
  pointer-events: none;
}
@media (max-width: 768px) {
  .contact-banner__content::after {
    width: 50%;
    height: 200px;
    left: -30px;
  }
}
@media (max-width: 480px) {
  .contact-banner__content::after {
    display: none;
  }
}
.contact-banner__content .section-title__en {
  color: #fff;
  font-size: 32px;
}
@media (max-width: 1024px) {
  .contact-banner__content .section-title__en {
    font-size: 28px;
  }
}
@media (max-width: 768px) {
  .contact-banner__content .section-title__en {
    font-size: 24px;
  }
}
@media (max-width: 480px) {
  .contact-banner__content .section-title__en {
    font-size: 20px;
  }
}
.contact-banner__content .section-title__ja {
  color: #fff;
  font-size: 16px;
}
@media (max-width: 1024px) {
  .contact-banner__content .section-title__ja {
    font-size: 15px;
  }
}
@media (max-width: 768px) {
  .contact-banner__content .section-title__ja {
    font-size: 14px;
  }
}
@media (max-width: 480px) {
  .contact-banner__content .section-title__ja {
    font-size: 12px;
  }
}
.contact-banner__content .section-title__ja {
  background: none;
  padding: 0;
  margin: 0;
}
.contact-banner__title {
  font-size: 48px;
}
@media (max-width: 1024px) {
  .contact-banner__title {
    font-size: 42px;
  }
}
@media (max-width: 768px) {
  .contact-banner__title {
    font-size: 36px;
  }
}
@media (max-width: 480px) {
  .contact-banner__title {
    font-size: 28px;
  }
}
.contact-banner__title {
  font-weight: bold;
  color: #FFFFFF;
  letter-spacing: 0.08em;
  margin-bottom: 15px;
  font-family: "Nunito Sans", sans-serif;
}
@media (max-width: 768px) {
  .contact-banner__title {
    margin-bottom: 10px;
  }
}
@media (max-width: 480px) {
  .contact-banner__title {
    margin-bottom: 8px;
  }
}
.contact-banner__subtitle {
  font-size: 18px;
}
@media (max-width: 1024px) {
  .contact-banner__subtitle {
    font-size: 18px;
  }
}
@media (max-width: 768px) {
  .contact-banner__subtitle {
    font-size: 18px;
  }
}
@media (max-width: 480px) {
  .contact-banner__subtitle {
    font-size: 14px;
  }
}
.contact-banner__subtitle {
  color: #FFFFFF;
}
.contact-banner__arrow img {
  width: 60px;
  height: auto;
}