.pc_on {
  display: block;
}
@media screen and (max-width: 768px) {
  .pc_on {
    display: none;
  }
}

.sp_on {
  display: none;
}
@media screen and (max-width: 768px) {
  .sp_on {
    display: block;
  }
}

.dbk-contents {
  background: #f1f4f5;
}

h2 {
  text-align: left;
  margin-bottom: 60px;
}
h2.p-sitemap__label {
  margin-bottom: 0;
}

a {
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}
a.hover {
  opacity: 0.7;
}

#firstview {
  overflow: hidden;
}
#firstview .kv {
  padding: 150px 0 170px;
  background-image: url("/sites/default/files/dynabook-b2c/brand/35th/img/kv_bg_base.jpg");
  background-size: 100% 100%;
  background-repeat: no-repeat;
  background-position: 0 0;
  position: relative;
  z-index: 2;
}
@media screen and (max-width: 768px) {
  #firstview .kv {
    padding: 60px 0 80px;
  }
}
#firstview .kv .mainimg {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  z-index: 1;
  position: relative;
}
@media screen and (max-width: 768px) {
  #firstview .kv .mainimg {
    width: 65vw;
    margin: 0 auto;
  }
}
#firstview .kv .bgimg img {
  position: absolute;
}
#firstview .kv .bgimg img:first-child {
  top: 0;
  left: 0;
}
@media screen and (max-width: 768px) {
  #firstview .kv .bgimg img:first-child {
    width: 40%;
    left: -2vw;
  }
}
#firstview .kv .bgimg img:last-child {
  top: 0;
  right: 0;
}
@media screen and (max-width: 768px) {
  #firstview .kv .bgimg img:last-child {
    width: 35%;
    top: 60px;
    right: -2vw;
  }
}
#firstview .prodhistory {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  width: 3000px;
  height: 130px;
  overflow: hidden;
  margin-top: -120px;
  position: relative;
  z-index: 3;
}
@media screen and (max-width: 768px) {
  #firstview .prodhistory {
    width: 2930px;
    height: 60px;
    margin-top: -45px;
  }
}
#firstview .prodhistory img {
  width: auto;
  height: 100%;
  margin: 0;
}
#firstview .prodhistory img:first-child {
  margin-right: -5px;
  -webkit-animation: history_slide1 120s -60s linear infinite;
          animation: history_slide1 120s -60s linear infinite;
}
@media screen and (max-width: 768px) {
  #firstview .prodhistory img:first-child {
    margin-right: -10px;
  }
}
#firstview .prodhistory img:last-child {
  -webkit-animation: history_slide2 120s linear infinite;
          animation: history_slide2 120s linear infinite;
}
#firstview .detail {
  margin-top: -10px;
  padding: 140px 0 210px;
  background-image: url("/sites/default/files/dynabook-b2c/brand/35th/img/detail_bg.jpg");
  background-size: 100% 100%;
  background-repeat: no-repeat;
  background-position: 0 0;
  position: relative;
  z-index: 1;
  clip-path: polygon(0 0, 100% 0%, 100% 100%, 0 80%);
}
@media screen and (max-width: 768px) {
  #firstview .detail {
    padding: 70px 0 80px;
    clip-path: polygon(0 0, 100% 0%, 100% 100%, 0 94%);
  }
}
#firstview .detail .container {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
#firstview .detail .container img {
  margin: 0;
}
@media screen and (max-width: 768px) {
  #firstview .detail .container {
    width: 80vw;
    display: block;
    text-align: center;
  }
  #firstview .detail .container img:first-child {
    width: 85%;
    margin: 0 auto 20px;
  }
}

@-webkit-keyframes history_slide1 {
  0% {
    -webkit-transform: translateX(100%);
            transform: translateX(100%);
  }
  to {
    -webkit-transform: translateX(-100%);
            transform: translateX(-100%);
  }
}

@keyframes history_slide1 {
  0% {
    -webkit-transform: translateX(100%);
            transform: translateX(100%);
  }
  to {
    -webkit-transform: translateX(-100%);
            transform: translateX(-100%);
  }
}
@-webkit-keyframes history_slide2 {
  0% {
    -webkit-transform: translateX(0);
            transform: translateX(0);
  }
  to {
    -webkit-transform: translateX(-200%);
            transform: translateX(-200%);
  }
}
@keyframes history_slide2 {
  0% {
    -webkit-transform: translateX(0);
            transform: translateX(0);
  }
  to {
    -webkit-transform: translateX(-200%);
            transform: translateX(-200%);
  }
}
@media screen and (max-width: 768px) {
  #campaign {
    margin-top: 20px;
  }
}
#campaign h2 {
  width: 100%;
  max-width: 940px;
  margin: 0 auto 60px;
}
@media screen and (max-width: 768px) {
  #campaign h2 {
    width: 90vw;
    margin: 0 auto 20px;
  }
  #campaign h2 img {
    height: 40px;
  }
}
#campaign .campaign_container {
  width: 100%;
  max-width: 948px;
  margin: 0 auto;
  text-align: center;
}
@media screen and (max-width: 768px) {
  #campaign .campaign_container {
    width: 91vw;
  }
}
#campaign .campaign_container a.mission.hover {
  cursor: default;
  opacity: 1;
}
#campaign .campaign_container a.hover {
  opacity: 0.7;
}
#campaign .campaign_container a:nth-of-type(n+2) img {
  margin-top: 30px;
}
#campaign .btn_container {
  width: 100%;
  max-width: 940px;
  margin: 60px auto 0;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  gap: 40px;
}
@media screen and (max-width: 768px) {
  #campaign .btn_container {
    width: 90vw;
    margin: 30px auto 0;
    display: block;
  }
  #campaign .btn_container a:nth-of-type(n+2) img {
    margin-top: 20px;
  }
}

#dynabook_cm {
  background: none;
  width: 100%;
  max-width: 940px;
  margin: 0 auto;
}
@media screen and (max-width: 768px) {
  #dynabook_cm h2 {
    padding-top: 60px;
  }
  #dynabook_cm h2 img {
    height: 40px;
  }
}
#dynabook_cm .movie_area:before {
  padding: 0;
}
#dynabook_cm .caption {
  color: #19244b;
  padding: 0 0 100px;
}
@media screen and (max-width: 768px) {
  #dynabook_cm .caption {
    padding-bottom: 60px;
  }
}
#dynabook_cm h3 {
  color: #19244b;
  margin-bottom: 20px;
}