.main {
  position: relative;
  padding-top: 5.74rem;
  font-family: "Alata", "Helvetica Neue", "Helvetica", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Arial", "Yu Gothic", "Meiryo", sans-serif;
}
.page-ttl-en img {
  width: 12.27rem;
  height: 64.74rem;
  display: block;
}
.page-mv {
  width: calc(100% - 12.27rem);
  height: 25.34rem;
  background-image: url(/img/company/history/mv-bg.jpg);
  background-size: cover;
  padding-left: 8.54rem;
  padding-top: 20.8rem;
  box-sizing: border-box;
  position: relative;
  background-position: center center;
  margin-bottom: 13.4rem;
  background-repeat: no-repeat;
}
.contents.history {
  margin-bottom: 7.34rem;
  width: 56.4rem;
  margin: 0 auto 7.4rem;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  position: relative;
}
.contents.history .history-sumisho, .contents.history .history-sumishomarine {
  width: 28rem;
}
.contents.history h4 {
  width: 100%;
  height: 4.8rem;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  background-color: #075B97;
  color: #fff;
  margin-bottom: 3.6rem;
  font-size: 1.47rem;
  font-weight: normal;
  letter-spacing: 0.1em;
}
.contents.history .history-sumishomarine h4 {
  background-color: #7fc6cc;
}
.contents.history .history-sumisho .history-list, .contents.history .history-sumishomarine .history-list {
  padding: 1.8rem 4.5rem 1.8rem 2.14rem;
  background-color: #e5eef4;
  margin-bottom: 0.54rem;
  min-height: 5.4rem;
  box-sizing: border-box;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
}
.contents.history .history-sumishomarine .history-list {
  background-color: #f2fafb;
  padding: 1.8rem 2.14rem 1.8rem 4.5rem;
}
.contents.history .common-history {
  padding: 2.4rem 2.14rem;
  background-color: #c3e6ea;
  margin-bottom: 0.54rem;
  min-height: 7.4rem;
  box-sizing: border-box;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  width: 100%;
}
.contents.history .common-history p {
  color: #075B97;
  font-weight: normal;
  font-size: 1rem;
  text-align: center;
}
.contents.history .common-history p.sa.show {
  transition-delay: 0.5s;
}
.contents.history .history-sumishomarine .history-list {
  padding-left: 5.74rem;
}
.contents.history .history-list p {
  font-weight: normal;
  font-size: 1rem;
  line-height: 1.8em;
  width: 100%;
  text-indent: -1rem;
  padding-left: 1rem;
}
.contents.history .history-list.date1990 {
  height: 16rem;
  -webkit-box-align: start;
  -ms-flex-align: start;
  align-items: flex-start;
}
.contents.history .history-sumishomarine .history-list.date1990 {
  padding-top: 4.8rem;
}
.contents.history .history-sumishomarine .history-list.date2000 {
  padding-top: 6.8rem;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
}
_:-ms-lang(x)::-ms-backdrop, .contents.history .history-sumishomarine .history-list.date2000 {
  padding-top: 6.5rem;
}
.contents.history .history-sumishomarine .history-list.date2000 p:nth-child(1) {
  margin-bottom: 1.2rem;
}
.contents.history .history-sumishomarine .history-list.date2000 p:nth-child(2) {
  margin-bottom: 2.8rem;
}
_:-ms-lang(x)::-ms-backdrop, .contents.history .history-sumishomarine .history-list.date2000 p:nth-child(1) {
  margin-bottom: 1.4rem;
}
_:-ms-lang(x)::-ms-backdrop, .contents.history .history-sumishomarine .history-list.date2000 p:nth-child(2) {
  margin-bottom: 3.1rem;
}
.contents.history .history-list.date2000 {
  height: 26rem;
  -webkit-box-align: start;
  -ms-flex-align: start;
  align-items: flex-start;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
}
.contents.history .history-list.date2010 {
  height: 7.5rem;
}
.contents.history .history-list.date2000 p:nth-child(2) {
  margin-bottom: 12.6rem;
}
_:-ms-lang(x)::-ms-backdrop, .contents.history .history-list.date2000 p:nth-child(2) {
  margin-bottom: 11rem;
}
.history-date {
  position: absolute;
  left: 0;
  right: 0;
  top: 6.8rem;
  margin: auto;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  width: 8.8rem;
  text-align: center;
}
.history-date .box {
  width: 8.8rem;
  height: 2.94rem;
  border: 1px solid #83CCD3;
  background-color: rgba(255, 255, 255, 0.7);
  box-sizing: border-box;
  display: block;
  line-height: 2.94rem;
  text-align: center;
  color: #075B97;
  font-size: 1.1rem;
  font-weight: normal;
}
.history-date .box.color {
  background-color: #83CCD3;
  color: #fff;
}
.history-date .box span {
  font-size: 1.47rem;
  margin-right: 0.2rem;
  letter-spacing: 0.07em;
}
.history-date p {
  margin-bottom: 3rem;
}
.history-date p:nth-child(3) {
  margin-bottom: 3.7rem;
}
.history-date p:nth-child(4) {
  margin-bottom: 7.6rem;
}
.history-date p:nth-child(5) {
  margin-bottom: 6rem;
}
_:-ms-lang(x)::-ms-backdrop, .history-date p:nth-child(5) {
  margin-bottom: 4.7rem;
}
.history-date p:nth-child(6), .history-date p:nth-child(7) {
  margin-bottom: 4.3rem;
}
.history-date p:nth-child(8) {
  margin-bottom: 2.8rem;
}
.history-date p:nth-child(9) {
  margin-bottom: 5.1rem;
}
.history-date p:nth-child(10), .history-date p:nth-child(11), .history-date p:nth-child(12), .history-date p:nth-child(13) {
  margin-bottom: 5rem;
}
.history-date .border {
  width: 8.8rem;
  border-bottom: 0.27rem solid #fff;
  color: #000;
  font-size: 1rem;
  font-weight: normal;
  text-align: center;
  padding-bottom: 0.3rem;
}
.history-date .border span {
  font-size: 1.34rem;
  margin-right: 0.2rem;
  letter-spacing: 0.07em;
}
@media only screen and (max-width:768px) {
  #history .page-ttl-en img {
    width: calc(160 / 768 * 100vw);
    height: calc(844 / 768 * 100vw);
    display: block;
  }
  #history .page-mv {
    /* width: calc(640 / 768 * 100vw); */
    width: calc(704 / 768 * 100vw);
    height: calc(740 / 768 * 100vw);
    background-image: url(/img/company/history/mv-bg-sp.jpg);
    background-size: cover;
    padding-left: calc(32 / 768 * 100vw);
    padding-top: calc(658 / 768 * 100vw);
    box-sizing: border-box;
    position: relative;
    background-position: center bottom;
    margin-bottom: calc(170 / 768 * 100vw);
    background-repeat: no-repeat;
  }
  .contents.history {
    width: auto;
    margin: 0 auto calc(160 / 768 * 100vw);
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    position: relative;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    padding: 0 calc(32 / 768 * 100vw);
  }
  .contents.history .history-sumisho, .contents.history .history-sumishomarine {
    width: calc(348 / 768 * 100vw);
  }
  .contents.history h4 {
    width: 100%;
    height: calc(144 / 768 * 100vw);
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    /* background-color: #075B97; */
    color: #fff;
    margin-bottom: calc(64 / 768 * 100vw);
    font-size: calc(28 / 24 * 1rem);
    font-weight: normal;
    letter-spacing: 0.1em;
    text-align: center;
    line-height: 1.5em;
  }
  .contents.history .history-sumisho .history-list, .contents.history .history-sumishomarine .history-list {
    padding: calc(50 / 768 * 100vw) calc(24 / 768 * 100vw);
    background-color: #e5eef4;
    margin-bottom: 0.54rem;
    min-height: calc(190 / 768 * 100vw);
    box-sizing: border-box;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
  }
  .contents.history .history-sumishomarine .history-list {
    padding-left: calc(33 / 768 * 100vw);
  }
  .contents.history .history-sumishomarine .history-list.date1990 {
    padding-top: 42vw;
  }
  .contents.history .history-list p {
    font-weight: normal;
    font-size: 1rem;
    line-height: 1.8em;
    width: 100%;
    text-indent: -1em;
    padding-left: 1em;
    box-sizing: border-box;
  }
  .contents.history .common-history p {
    color: #075B97;
    font-weight: normal;
    font-size: 1rem;
    text-align: center;
    line-height: 2.1em;
  }
  .history-date {
    position: absolute;
    left: 0;
    right: 0;
    top: 23.7vw;
    margin: auto;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    width: calc(200 / 768 * 100vw);
    text-align: center;
  }
  .history-date p {
    margin-bottom: 19.2vw;
  }
  .history-date p:nth-child(3) {
    margin-bottom: 30vw;
  }
  .history-date p:nth-child(4) {
    margin-bottom: 56vw;
  }
  .history-date p:nth-child(5) {
    margin-bottom: 35vw;
  }
  .history-date p:nth-child(6) {
    margin-bottom: 34vw;
  }
  .history-date p:nth-child(7) {
    margin-bottom: 23vw;
  }
  .history-date p:nth-child(8) {
    margin-bottom: 29.6vw;
  }
  .history-date p:nth-child(9) {
    margin-bottom: 25.5vw;
  }
  .history-date p:nth-child(10) {
    margin-bottom: 25vw;
  }
  .history-date p:nth-child(11), .history-date p:nth-child(12), .history-date p:nth-child(13) {
    margin-bottom: 13.8vw;
  }
  .history-date .box {
    width: calc(200 / 768 * 100vw);
    height: calc(52 / 768 * 100vw);
    border: 1px solid #83CCD3;
    background-color: rgba(255, 255, 255, 0.7);
    box-sizing: border-box;
    display: block;
    line-height: calc(48 / 768 * 100vw);
    text-align: center;
    /* color: #075B97; */
    font-size: 1rem;
    font-weight: normal;
  }
  .history-date .box span {
    font-size: calc(32 / 24 * 1rem);
    margin-right: 0.2rem;
    letter-spacing: 0.07em;
  }
  .contents.history .history-list.date1990 {
    height: 97vw;
    -webkit-box-align: start;
    -ms-flex-align: start;
    align-items: flex-start;
  }
  .contents.history .history-list.date2010 {
    height: 34.5vw;
  }
  .contents.history .history-sumishomarine .history-list.date2000 {
    padding-top: 47vw;
    padding-bottom: 0;
  }
  .contents.history .history-list.date2000 {
    height: 146vw;
    -webkit-box-align: start;
    -ms-flex-align: start;
    align-items: flex-start;
  }
  .contents.history .history-sumishomarine .history-list.date2000 p:nth-child(1) {
    margin-bottom: 12vw;
  }
  .contents.history .history-sumishomarine .history-list.date2000 p:nth-child(2) {
    margin-bottom: 13.5vw;
  }
  .contents.history .history-list.date2000 p:nth-child(1) {
    margin-bottom: 0;
  }
  .contents.history .history-list.date2000 p:nth-child(2) {
    margin-bottom: 82.8vw;
  }
  .history-date .box.color {
    background-color: #83CCD3;
    color: #fff;
    margin-top: 4.2vw;
  }
}