#TOP {
  height: auto;
}

#content {
  padding-bottom: 4em;
}

#product {
  margin-top: 30px;
  padding: 0 6.25vw;
}

#product .serif {
  font-size: 1.2rem;
}

#product .product .name {
  font-size: 2rem;
  font-weight: bold;
}

#product .product .spec-name {
  font-size: 1.2rem;
  font-weight: bold;
  line-height: 1.2;
}

#product .product .spec {
  margin-top: 2em;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
      -ms-flex-direction: row;
          flex-direction: row;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}

#product .product .spec dt, #product .product .spec dd {
  line-height: 1.4;
}

#product .product .spec dt {
  width: 26.78571%;
  font-weight: bold;
}

#product .product .spec dd {
  width: 71.42857%;
}

#product .image {
  margin: 2em -20px 0;
}

#introduction {
  margin-top: 3.8em;
  padding: 0 6.25vw;
}

#introduction .title {
  font-size: 1.4rem;
  font-weight: bold;
  text-align: center;
}

#introduction .text {
  margin-top: 1em;
  text-align: center;
}

#details {
  margin-top: 2em;
  padding: 0 6.25vw;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
}

#details .detail:not(:first-child) {
  margin-top: 2em;
}

#details .title {
  font-weight: bold;
}

#details .image, #details .text {
  margin-top: 10px;
}

#about {
  margin-top: 2em;
  padding: 0 6.25vw;
}

#about .title {
  font-size: 1.2rem;
  font-weight: bold;
  line-height: 1.2;
}

#about .name {
  font-size: 2rem;
  font-weight: bold;
}

#about .caption {
  font-size: 1.5rem;
  line-height: 1.5;
}

#about .text {
  margin-top: 1em;
}

#archives {
  padding: 2em 6.25vw 0;
}

#archives .title {
  font-size: 1.2rem;
  font-weight: bold;
  line-height: 1.2;
}

#archives .archive {
  margin-top: 1em;
}

#archives .archive:nth-child(2) {
  margin-top: 1.5em;
}

#archives .archive .year, #archives .archive .product {
  line-height: 1.3;
}

#archives .archive .image {
  margin-top: 10px;
}

#archives .archive .bold {
  font-weight: bold;
}

#archives .text {
  margin-top: 2em;
}

@media screen and (min-width: 769px) {
  #product {
    max-width: 980px;
    margin: 0 auto;
    padding-top: 60px;
    position: relative;
  }
  #product .inner {
    position: absolute;
  }
  #product .image {
    width: 70vw;
    margin: -30px 0 0 auto;
  }
}

@media screen and (min-width: 1025px) {
  #product {
    margin-top: 80px;
    padding: 0;
  }
  #product .serif {
    font-size: 1.5rem;
  }
  #product .product .name {
    font-size: 2.5rem;
  }
  #product .product .spec {
    margin-top: 1em;
  }
  #product .product .spec dt {
    width: 90px;
  }
  #product .image {
    width: 800px;
  }
  #introduction {
    max-width: 980px;
    margin: 80px auto 0;
    padding: 0;
  }
  #introduction .title {
    font-size: 2.3rem;
  }
  #introduction .text {
    font-size: 1.1rem;
    line-height: 2.5;
  }
  #details {
    max-width: 980px;
    margin: 80px auto 0;
    padding: 0;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
  }
  #details .detail {
    width: 32%;
  }
  #details .detail:not(:first-child) {
    margin-top: 0;
  }
  #details .detail .text {
    font-size: .9rem;
  }
  #about-history {
    max-width: 980px;
    margin: 80px auto 0;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
  }
  #about {
    width: 65%;
    margin-top: 0;
    padding: 0 30px 0 0;
  }
  #about .title {
    font-size: 1.3rem;
  }
  #about .caption {
    margin-top: 20px;
  }
  #about .text {
    margin-top: 20px;
    font-size: 1.1rem;
  }
  #archives {
    width: 35%;
    padding: 0;
  }
  #archives .title {
    font-size: 1.3rem;
  }
  #archives .archive {
    margin-top: 20px;
  }
  #archives .archive:nth-child(2) {
    margin-top: 30px;
  }
  #archives .archive .year, #archives .archive .product {
    font-size: .9rem;
    line-height: 1.6;
  }
  #archives .text {
    font-size: .9rem;
  }
}