@charset "UTF-8";
/* ----------------------------------------
   ■ history.css
---------------------------------------- */
body.subCtg #mainContents {
  padding-top: 12vw;
  padding-bottom: 150px;
}

body.subCtg #pageTitle > div::after,
body.subCtg footer::before {
  display: none;
}

#wrapper {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

#titleArea {
  position: relative;
  padding-bottom: 30px;
  z-index: 4;
}
#titleArea h2 {
  display: none;
}
#titleArea h2 a {
  display: flex;
  display: -ms-flex;
  display: -webkit-flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  justify-content: center;
  -ms-justify-content: center;
  -webkit-justify-content: center;
  position: relative;
  width: 100%;
  height: 100%;
  padding: 0.5em 0.5em 0.3em;
  background: #80a6d0;
  border: 3px solid #262626;
  border-radius: 3px;
  line-height: 1.1;
  text-decoration: none;
  color: #fff;
  font-size: 2rem;
  font-weight: bold;
}
#titleArea h2 a::after {
  content: '';
  position: absolute;
  right: 5px;
  top: calc(50% - 13.5px);
  width: 27px;
  height: 27px;
  background: url("../img/history/icon_arrow_01.png") no-repeat 0 0/100% auto;
}
#titleArea h2 a .year {
  padding-right: 1em;
}
#titleArea h2.cur {
  display: block;
}
#titleArea h2.cur a {
  background: #004ea2;
  pointer-events: none;
  cursor: default;
}
#titleArea h2.cur a::after {
  display: none;
}
#titleArea ul {
  display: flex;
  display: -ms-flex;
  display: -webkit-flex;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  margin: 1em auto 0;
}
#titleArea ul li {
  flex: 0 0 auto;
}
#titleArea ul li a {
  display: block;
  position: relative;
  line-height: 1.1;
  text-decoration: none;
  color: #004ea2;
  font-weight: bold;
}
#titleArea ul li a::before {
  content: '';
  position: absolute;
  top: calc(50% - 14.5px);
  width: 27px;
  height: 27px;
  background: url("../img/history/icon_arrow_02.png") no-repeat 0 0;
}
#titleArea ul li a:hover {
  text-decoration: underline;
}
#titleArea ul li:first-child {
  text-align: left;
}
#titleArea ul li:first-child a {
  padding-left: 35px;
}
#titleArea ul li:first-child a::before {
  left: 0;
  transform: rotate(180deg);
}
#titleArea ul li:last-child {
  text-align: right;
}
#titleArea ul li:last-child a {
  padding-right: 35px;
}
#titleArea ul li:last-child a::before {
  right: 0;
}

#chronology {
  position: relative;
  top: 10px;
  background: url("../img/history/bg_railway_01.png") repeat-y center top;
}
#chronology #deco {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}
#chronology #deco > div {
  position: absolute;
  background-repeat: no-repeat;
  background-position: center center;
  background-size: contain;
}
#chronology #deco .deco1 {
  right: 20px;
  top: 300px;
  width: 100px;
  height: 100px;
  background-image: url("../img/index/img_airplane_01.png");
}
#chronology #deco .deco2 {
  left: 50px;
  top: 1500px;
  width: 41px;
  height: 41px;
  background-image: url("../img/index/img_bird_01d.png");
}
#chronology #deco .deco3 {
  right: 30px;
  top: 2200px;
  width: 35px;
  height: 35px;
  background-image: url("../img/index/img_panda_02.png");
}
#chronology #deco .deco4 {
  right: 0px;
  top: 2500px;
  width: 170px;
  height: 170px;
  background-image: url("../img/img_deco_01.png");
}
#chronology .cov {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 0%;
  background: rgba(255, 255, 255, 0.75);
  box-shadow: 0 10px 10px rgba(255, 255, 255, 0.75);
  transition: all 2s ease;
  z-index: 0;
}
#chronology article {
  position: relative;
  top: -10px;
  width: 90%;
  margin: 0 auto;
  letter-spacing: 0;
  font-feature-settings: "palt";
}
#chronology article .box {
  display: flex;
  display: -ms-flex;
  display: -webkit-flex;
  position: relative;
  text-align: left;
}
#chronology article .box .inner {
  position: relative;
  width: 50%;
}
#chronology article .box .inner .img {
  margin-top: 5px;
  text-align: left;
}
#chronology article .box .inner .img img {
  border-radius: 4px;
}
#chronology article .box .inner .img .caption {
  margin-top: 5px;
  text-align: left;
  font-size: 1.3rem;
}
#chronology article .box .inner .doc dt {
  line-height: 1.0;
  color: #004ea2;
  font-size: 3rem;
  font-family: din-condensed, sans-serif;
  font-weight: 400;
  font-style: normal;
}
#chronology article .box .inner .doc dd {
  margin-top: 5px;
  line-height: 1.5;
}
#chronology article .box .inner .doc dd small {
  line-height: 1.3;
  font-size: 0.8em;
}
#chronology article .box .inner::before {
  content: '';
  position: absolute;
  top: 4.5px;
  width: 23px;
  height: 23px;
  background: url("../img/history/icon_point_01.png") no-repeat left top/100% auto;
  z-index: 2;
}
#chronology article .box .inner::after {
  content: '';
  position: absolute;
  top: 15px;
  width: 11%;
  height: 1px;
  background: #000;
  z-index: 1;
}
#chronology article .box:nth-child(odd) {
  -webkit-box-pack: end;
  -ms-flex-pack: end;
  justify-content: flex-end;
}
#chronology article .box:nth-child(odd) .inner {
  padding-left: 5.89743%;
  text-align: left;
}
#chronology article .box:nth-child(odd) .inner::before {
  left: -11.5px;
}
#chronology article .box:nth-child(odd) .inner::after {
  left: 0;
}
#chronology article .box:nth-child(even) {
  justify-content: start;
  -ms-justify-content: start;
  -webkit-justify-content: start;
}
#chronology article .box:nth-child(even) .inner {
  padding-right: 5.89743%;
  text-align: right;
}
#chronology article .box:nth-child(even) .inner::before {
  right: -11.5px;
}
#chronology article .box:nth-child(even) .inner::after {
  right: 0;
}
#chronology article .box + .box {
  margin-top: 35px;
}
#chronology article .box.special .inner > div {
  padding: 15px;
  background: #faee00;
  border: 2px solid #000;
  border-bottom-width: 5px;
  border-radius: 5px;
}
#chronology article .box.special .inner::after {
  width: 12%;
}
#chronology article .goTop {
  position: absolute;
  right: calc(50% - 20px - 53%);
  bottom: 0;
  width: 40px;
  height: 40px;
  background: #004ea2;
  border-radius: 50%;
  z-index: 3;
}
#chronology article .goTop::before {
  content: '';
  position: absolute;
  left: calc(50% - 2.8px);
  top: calc(50% - 2px);
  width: 15px;
  height: 2px;
  background: #fff;
  transform: rotate(45deg);
}
#chronology article .goTop::after {
  content: '';
  position: absolute;
  right: calc(50% - 2.8px);
  top: calc(50% - 2px);
  width: 15px;
  height: 2px;
  background: #fff;
  transform: rotate(-45deg);
}
#chronology .chrTtl {
  display: flex;
  display: -ms-flex;
  display: -webkit-flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  justify-content: center;
  -ms-justify-content: center;
  -webkit-justify-content: center;
  position: relative;
  width: 90%;
  height: 100%;
  margin: 50px auto 0;
  padding: 0.5em 0.5em 0.3em;
  background: #004ea2;
  border: 3px solid #262626;
  border-radius: 3px;
  line-height: 1.1;
  text-decoration: none;
  color: #fff;
  font-size: 2rem;
  font-weight: bold;
  z-index: 3;
}

#dots {
  position: absolute;
  left: auto;
  top: 0;
  width: 40px;
  padding: 0;
  text-align: left;
  color: #004ea2;
  font-family: din-condensed, sans-serif;
  font-weight: 400;
  font-style: normal;
  font-size: 1.6rem;
  z-index: 3;
}
#dots ul {
  position: relative;
  left: -8px;
  top: 0;
}
#dots ul::before {
  content: '';
  position: absolute;
  left: 3.5px;
  top: 12px;
  width: 1px;
  height: calc(100% - 24px);
  background: #004ea2;
}
#dots ul li {
  position: relative;
  padding-left: 12px;
  height: 30px;
  line-height: 30px;
}
#dots ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: calc(50% - 4px);
  width: 4px;
  height: 4px;
  background: #fff;
  border: 2px solid #004ea2;
  border-radius: 50%;
  line-height: 1.1;
}
#dots ul li a {
  text-decoration: none;
  color: #004ea2;
}
#dots ul li a:hover {
  text-decoration: underline;
}
#dots.fixed {
  position: fixed;
}
#dots.fixed ul {
  top: 200px;
}

#dots ul li.cur::before {
  left: -2px;
  top: calc(50% - 6px);
  width: 6px;
  height: 6px;
  background: #faee00;
  border-width: 3px;
}
#dots ul li.cur a {
  pointer-events: none;
  cursor: default;
}

#history3 #chronology #deco .deco1 {
  top: 350px;
}
#history3 #chronology #deco .deco3 {
  left: 30px;
}
#history3 #chronology #deco .deco4 {
  top: 2800px;
}

#history5 #chronology #deco .deco1 {
  right: auto;
  left: 80px;
}
#history5 #chronology #deco .deco3 {
  top: 2150px;
}
#history5 #chronology #deco .deco4 {
  top: 3000px;
}

#history6 #chronology #deco .deco1 {
  right: auto;
  left: 80px;
}
#history6 #chronology #deco .deco3 {
  top: 1640px;
}
#history6 #chronology #deco .deco4 {
  top: 3000px;
}

#startPoint {
  position: absolute;
  left: 50px;
  bottom: 50px;
  width: 1px;
  height: 1px;
}

/* 個別指定
---------------------------------------- */
#b1909_0630::before {
  content: '';
  position: absolute;
  left: 10%;
  top: -44px;
  width: 45px;
  height: 45px;
  background: url("../img/index/img_people_02.png") no-repeat center bottom/contain;
}

#b1912_1103::before {
  content: '';
  position: absolute;
  left: 30%;
  top: -44px;
  width: 45px;
  height: 45px;
  background: url("../img/index/img_people_01.png") no-repeat center bottom/contain;
}

#b_1923_0901::before {
  content: '';
  position: absolute;
  left: 0;
  top: -55px;
  width: 55px;
  height: 55px;
  background: url("../img/index/img_dance_01a.png") no-repeat center bottom/contain;
}

#b1937_11::before {
  content: '';
  position: absolute;
  right: 0;
  top: -55px;
  width: 55px;
  height: 55px;
  background: url("../img/index/img_dance_01a.png") no-repeat center bottom/contain;
}

#b1934_1210::before {
  content: '';
  position: absolute;
  right: 10%;
  top: -44px;
  width: 45px;
  height: 45px;
  background: url("../img/index/img_people_01.png") no-repeat center bottom/contain;
}

#b1932_0701::before {
  content: '';
  position: absolute;
  right: 1%;
  top: -44px;
  width: 45px;
  height: 45px;
  background: url("../img/index/img_people_02.png") no-repeat center bottom/contain;
}

#b1930_0425::before {
  content: '';
  position: absolute;
  right: 10%;
  top: -55px;
  width: 55px;
  height: 55px;
  background: url("../img/index/img_dance_01b.png") no-repeat center bottom/contain;
}

#b1960_1204::before {
  content: '';
  position: absolute;
  right: 10%;
  top: -44px;
  width: 45px;
  height: 45px;
  background: url("../img/index/img_people_01.png") no-repeat center bottom/contain;
}

#b1953_0528::before {
  content: '';
  position: absolute;
  left: 32%;
  top: -44px;
  width: 45px;
  height: 45px;
  background: url("../img/index/img_people_02.png") no-repeat center bottom/contain;
}

#b1983_1001::before {
  content: '';
  position: absolute;
  left: 0;
  top: -55px;
  width: 55px;
  height: 55px;
  background: url("../img/index/img_dance_01a.png") no-repeat center bottom/contain;
}

#b1980_02::before {
  content: '';
  position: absolute;
  left: 30%;
  top: -44px;
  width: 45px;
  height: 45px;
  background: url("../img/index/img_people_02.png") no-repeat center bottom/contain;
}

#b1979_0522::before {
  content: '';
  position: absolute;
  left: 5%;
  top: -44px;
  width: 45px;
  height: 45px;
  background: url("../img/index/img_people_01.png") no-repeat center bottom/contain;
}

#b1973_1230::before {
  content: '';
  position: absolute;
  left: 10%;
  top: -55px;
  width: 55px;
  height: 55px;
  background: url("../img/index/img_dance_01b.png") no-repeat center bottom/contain;
}

#d2018_0419::before {
  content: '';
  position: absolute;
  right: 20%;
  top: -44px;
  width: 45px;
  height: 45px;
  background: url("../img/index/img_people_02.png") no-repeat center bottom/contain;
}

#d2010_0717::before {
  content: '';
  position: absolute;
  right: 2%;
  top: -55px;
  width: 55px;
  height: 55px;
  background: url("../img/index/img_dance_01a.png") no-repeat center bottom/contain;
}

#d2001_0401::before {
  content: '';
  position: absolute;
  left: 3%;
  top: -55px;
  width: 55px;
  height: 55px;
  background: url("../img/index/img_dance_01b.png") no-repeat center bottom/contain;
}

#b1997_10::before {
  content: '';
  position: absolute;
  right: 5%;
  top: -44px;
  width: 45px;
  height: 45px;
  background: url("../img/index/img_people_01.png") no-repeat center bottom/contain;
}

#b1991_0319_2::before {
  content: '';
  position: absolute;
  left: 1%;
  top: -30px;
  width: 30px;
  height: 30px;
  background: url("../img/index/img_child_dance_b.png") no-repeat center bottom/contain;
}

/* #b2018_0419::before {
  content: '';
  position: absolute;
  right: 2%;
  top: -44px;
  width: 45px;
  height: 45px;
  background: url("../img/index/img_people_02.png") no-repeat center bottom/contain;
} */

#b2010_0717::before {
  content: '';
  position: absolute;
  right: 7%;
  top: -55px;
  width: 55px;
  height: 55px;
  background: url("../img/index/img_dance_01b.png") no-repeat center bottom/contain;
}

#b2001_0401::before {
  content: '';
  position: absolute;
  right: 5%;
  top: -44px;
  width: 45px;
  height: 45px;
  background: url("../img/index/img_people_01.png") no-repeat center bottom/contain;
}

/* @media : SP
---------------------------------------- */
@media screen and (max-width: 768px) {
  body.subCtg #mainContents {
    padding-top: 200px;
    padding-right: 0;
    padding-left: 0;
  }

  #titleArea {
    top: -5px;
    width: 78%;
    margin: 0 auto;
    background: url("../img/history/bg_railway_01.png") repeat-y 29px bottom;
  }
  #titleArea h2 {
    display: block;
  }
  #titleArea h2 a {
    justify-content: start;
    -ms-justify-content: start;
    -webkit-justify-content: start;
    padding: 1em 0.5em 1em;
    font-size: 2.6041666667vw;
  }
  #titleArea h2 + h2 {
    margin-top: 25px;
  }
  #titleArea ul {
    display: none;
  }

  #chronology {
    top: 0;
    background-position: calc(11% + 30px) 0;
  }
  #chronology #deco {
    display: none;
  }
  #chronology article {
    width: 78%;
  }
  #chronology .chrTtl {
    width: 78%;
    margin: 0 auto;
    font-size: 2.6041666667vw;
  }

  #chronology article .box::before {
    display: none !important;
  }

  #chronology article .box .inner .doc dt {
    font-size: 3.90625vw;
  }
  #chronology article .box .inner .doc dd {
    font-size: 2.0833333333vw;
  }

  #chronology article .box:nth-child(odd),
  #chronology article .box:nth-child(even) {
    justify-content: start;
    -ms-justify-content: start;
    -webkit-justify-content: start;
  }
  #chronology article .box:nth-child(odd) .inner,
  #chronology article .box:nth-child(even) .inner {
    width: 100%;
    margin-left: 33.5px;
    padding-right: 0;
    padding-left: 5.89743%;
    text-align: left;
  }
  #chronology article .box:nth-child(odd) .inner::before,
  #chronology article .box:nth-child(even) .inner::before {
    right: auto;
    left: -11.5px;
  }
  #chronology article .box:nth-child(odd) .inner::after,
  #chronology article .box:nth-child(even) .inner::after {
    right: auto;
    left: 0;
    width: 5%;
  }

  #chronology article .box.special .inner::after {
    width: 6.5%;
  }

  #b1909_0630 .inner > div {
    justify-content: start;
    -ms-justify-content: start;
    -webkit-justify-content: start;
  }

  #b1912_1103 .inner > div {
    -webkit-box-align: start;
    -ms-flex-align: start;
    align-items: flex-start;
    width: 100%;
    margin-left: 0;
  }

  #b_1923_0901 .inner > div {
    justify-content: start;
    -ms-justify-content: start;
    -webkit-justify-content: start;
  }

  #dots {
    display: none;
  }
}
@media screen and (max-width: 480px) {
  body.subCtg #mainContents {
    padding-top: 180px;
    padding-bottom: 85px;
  }

  #titleArea {
    width: 90%;
  }

  #titleArea h2 a {
    font-size: 3.3333333333vw;
  }

  #titleArea h2 a::after {
    top: calc(50% - 10px);
    width: 20px;
    height: 20px;
  }

  #chronology {
    background-position: calc(5% + 29.5px) 0;
  }

  #chronology article {
    width: 90%;
    padding-bottom: 50px;
  }

  #chronology article .box .inner .doc dt {
    font-size: 2.4rem;
  }

  #chronology article .box .inner .doc dd {
    font-size: 1.5rem;
  }

  #chronology article .goTop {
    right: 0;
    transform: scale(0.75);
  }

  #chronology .chrTtl {
    width: 90%;
    font-size: 3.3333333333vw;
  }

  #b_1923_0901 .inner > div {
    -webkit-box-orient: vertical;
    -webkit-box-direction: reverse;
    -ms-flex-direction: column-reverse;
    flex-direction: column-reverse;
  }
  #b_1923_0901 .inner > div .doc {
    padding-left: 0;
    padding-bottom: 0.5em;
  }

  #b1909_0630 .inner > div {
    -webkit-box-orient: vertical;
    -webkit-box-direction: reverse;
    -ms-flex-direction: column-reverse;
    flex-direction: column-reverse;
  }
  #b1909_0630 .inner > div .doc {
    padding-bottom: 0.5em;
  }
}