.usecases-header-bg {
  background-color: #fff;
  width: 100%;
}
.usecases-visual-section {
  width: 100%;
  height: 400px;
  background-image: url("../img/use-cases/main.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.usecases-header-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 5rem 2rem;
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.page-title-en {
  font-size: 4.75rem;
  font-weight: 500;
  color: #6e6bb0;
  margin: 0;
  line-height: 1;
}
.page-title-jp {
  font-size: 2.25rem;
  color: #333333;
  margin: 1rem 0 0 0;
  font-weight: 500;
}
.company-heading-left {
  flex: 1;
  min-width: 300px;
}
.company-heading-right {
  flex: 1;
  min-width: 300px;
}
.company-lead-text {
  font-size: 2.25rem;
  color: #1e1e3f;
  line-height: 1.6;
}
.section-title {
  background-color: #1818ab;
  color: #ffffff;
  font-size: 1.5rem;
  text-align: center;
  padding: 2rem 1rem;
  font-weight: normal;
}
.section-description {
  font-size: 1.125rem;
  color: #333333;
  text-align: left;
  max-width: 1000px;
  margin: 2rem auto;
  line-height: 1.6;
}
.use-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}
.tab {
  background-color: #ffffff;
  border: 1px solid #333;
  padding: 0.8rem 2rem;
  font-size: 1rem;
  cursor: pointer;
  transition: 0.3s;
}
.tab.active {
  background-color: #066cac;
  color: #fff;
}
.tab-content {
  display: none;
}
.tab-content.active {
  display: block;
}
.car-section {
  position: relative;
  width: 100%;
  margin: auto;
  padding: 10rem 1rem 12rem;
}
.car-image {
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  display: block;
}
.car-label {
  position: absolute;
  text-align: center;
  color: #333;
}
.label-title {
  font-size: 1.8rem;
  font-weight: bold;
  border: 1px solid #333;
  padding: 0.5rem 1rem;
  display: inline-block;
  margin-bottom: 0.5rem;
}
.label-sub {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}
.engine-label {
  left: 10%;
  top: 22%;
}
.engine-label img {
  margin-top: 1rem;
  width: 220px;
  height: auto;
}
.mirror-label {
  right: 14%;
  top: 0%;
}
.mirror-label img {
  margin-top: 1rem;
  width: 220px;
  height: auto;
}
.product-button {
  position: absolute;
  right: 13%;
  bottom: 5%;
}
.product-link {
  display: inline-block;
  background-color: #e14e32;
  color: #ffffff;
  font-size: 1.5rem;
  padding: 0.75rem 2rem;
  transition: background-color 0.3s ease;
}
.product-link:hover {
  background-color: #c7432a;
  color: #ffffff;
}
@media screen and (max-width: 768px) {
  .usecases-visual-section {
    height: 250px;
  }
  .usecases-header-section {
    flex-direction: column;
    padding: 3rem 1rem;
  }
  .page-title-en {
    font-size: 2.5rem;
    text-align: center;
  }
  .page-title-jp {
    font-size: 1.5rem;
    text-align: center;
  }
  .company-lead-text {
    font-size: 1rem;
    text-align: center;
    line-height: 1.6;
  }
  .section-title {
    font-size: 1.2rem;
    padding: 1.5rem 1rem;
  }
  .section-description {
    font-size: 1rem;
    padding: 0 1rem;
    text-align: left;
  }
  .use-tabs {
    gap: 0.5rem;
  }
  .tab {
    font-size: 0.7rem;
    padding: 0.6rem 1.2rem;
  }
  .car-section {
    padding: 0;
  }
  .label-title {
    font-size: 1.2rem;
    padding: 0.3rem 0.8rem;
  }
  .label-sub {
    font-size: 1rem;
  }
  .engine-label, .mirror-label {
    position: static;
    margin: 2rem 0;
  }
  .engine-label img, .mirror-label img {
    width: 100%;
    max-width: 300px;
    height: auto;
  }
  .car-label {
    position: static;
  }
  .product-button {
    position: static;
    text-align: center;
    margin-top: 2rem;
    margin-bottom: 3rem;
  }
  .product-link {
    font-size: 1.25rem;
    padding: 0.75rem 1.5rem;
    width: 100%;
    max-width: 300px;
  }
}