.product-wrapper {
  padding: 4.166667vw 16.666667vw;
  background-color: #f9f9f9;
}
.product-title-wrapper {
  padding-bottom: 4.166667vw;
  line-height: 1;
  text-align: center;
}
.product-title-wrapper .title {
  margin-bottom: 0.78125vw;
  font-size: 2.083333vw;
  font-weight: bold;
  color: #222;
}
.product-title-wrapper .title-translation {
  font-size: 1.0416667vw;
  font-weight: lighter;
  color: #666;
}

.product-series {
  padding: 1.5625vw 1.5625vw 2.604167vw;
  background-color: #fff;
}
.product-series:not(:last-child) {
  margin-bottom: 1.5625vw;
}
.series-title-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5625vw;
  padding-bottom: 1.145833vw;
  border-bottom: 1px solid #dbdbdb;
  cursor: pointer;
}
.series-title {
  font-size: 1.041667vw;
  color: #333;
  font-weight: bold;
  line-height: 1;
}
.series-title-link:hover .series-title {
  color: #016dbf;
}
.series-title-icon {
  width: 0.364583vw;
  height: 0.625vw;
  fill: #545555;
}
.series-title-link:hover .series-title-icon {
  fill: #016dbf;
}
.series-description {
  font-size: 0.833333vw;
  color: #666;
  line-height: 1.75;
}
.series-list {
  display: grid;
  justify-content: space-between;
  grid-template-columns: repeat(5, 1fr);
  grid-column-gap: 0.520833vw;
  margin-top: 1.5625vw;
}
.product-series:last-child .series-list {
  grid-row-gap: 1.5625vw;
}
.series-item-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
}
.series-item-img {
  max-width: 100%;
  min-height: 9.270833vw;
  height: auto;
}
.series-item-name {
  margin-top: 1.041667vw;
  font-size: 0.833333vw;
  font-weight: bold;
  color: #666;
  line-height: 1;
}
.content-en .series-item-name {
  line-height: 1.4;
  text-align: center;
}
.series-item-link:hover .series-item-name {
  color: #016dbf;
}

@media (max-width: 768px) {
  .breadcrumbs {
    flex-wrap: wrap;
    height: auto;
    max-height: none;
    padding: 1rem .8rem;
  }
  .breadcrumb-item  {
    font-size: .7rem;
    -webkit-tap-highlight-color: transparent;
    line-height: 1.4;
  }
  
  .product-wrapper {
    padding: 2rem 0;
  }
  .product-title-wrapper {
    padding-bottom: 1rem;
  }
  .product-title-wrapper .title {
    margin-bottom: .5rem;
    font-size: 1.2rem;
  }
  .product-title-wrapper .title-translation {
    font-size: .7rem;
  }
  .product-series {
    width: 92%;
    margin: 0 auto;
    padding: 1.5rem .6rem;
  }
  .product-series:not(:last-child) {
    margin-bottom: 1rem;
  }
  .series-title-link {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    -webkit-tap-highlight-color: transparent;
  }
  .series-title {
    font-size: 0.9rem;
  }
  .series-title-icon {
    width: 0.8rem;
    height: 0.6rem
  }
  .series-description {
    font-size: 0.8rem;
  }
  .series-list {
    grid-template-columns: repeat(2, 1fr);
    gap: .8rem 0.5rem;
  }
  .series-item-img {
    min-height: 4.5rem;
  }
  .series-item-name {
    margin-top: 0.5rem;
    font-size: 0.6rem;
    line-height: 1.35;
  }
  .content-en .series-item-name {
    line-height: 1.35;
  }
}