@charset "UTF-8";
 /* ************************************************ 
	history page
* ************************************************ */
main {
  background-image: url(../img/history/bg_history_top.jpg), url(../img/history/bg_history_bottom.jpg);
  background-repeat: no-repeat, no-repeat;
  background-position: top right, bottom left;
  background-size: auto, auto;
}
@media only screen and (max-width: 767px) {
  main {
    background-size: 100%, 100%;
  }
}

.cover {
  max-width: 960px;
  margin: 0 auto;
  padding: 50px 20px;
  font-weight: 600;
  font-variation-settings: 'wght' 600;
}
.cover h1 {
  text-align: center;
}
.cover h1 img {
  margin: 0 auto;
  width: 70%;
  max-width: 320px;
}
@media only screen and (max-width: 767px) {
  .cover {
    padding: 30px 20px 30px 25px;
  }
}

/*history_table
---------------------*/
.history_table {
  margin-top: 30px;
}

.period {
  display: flex;
  min-height: 80px;
}
.period .yy {
  position: relative;
  display: block;
  width: 30%;
  min-width: 320px;
  flex-basis: 320px;
  padding: 10px 5px 20px 0;
  padding: 10px 0 20px 0;
}
.period .yy::after {
  content: "●";
  position: absolute;
  width: 10px;
  height: 10px;
  top: 10px;
  /*上padding分下げる*/
  right: -3px;
  height: 100%;
  color: #c30d18;
}
.period .yy.small::after {
  font-size: 1.0rem;
  top: 17px;
  right: -6px;
}
.period .hist {
  position: relative;
  display: block;
  flwx: 1;
  flex-grow: 1;
  padding: 10px 0 20px 20px;
}
.period .hist::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  border-left: 2px dotted #c30d18;
}
.period.first .hist::after {
  top: 20px;
  height: calc(100% - 20px);
}
.period .hist img {
  margin: 0;
}

@media only screen and (max-width: 767px) {
  .period .yy {
    min-width: 90px;
    flex-basis: clamp(90px, 20vw, 120px);
    padding-right: 10px;
  }
  .period .hist {
    flex-basis: 80vw;
    /*
          position: relative;
          display: block; 
          flwx: 1;
          flex-grow: 1;
          //width: 70%;
          padding: 10px 0 20px 20px;
    */
  }
}
/*text
---------------------*/
.yy_txt {
  font-size: 1.3rem;
  line-height: 1.5;
  margin: 5px 0 10px 0;
}

.hist_txt {
  font-size: 1.5rem;
  line-height: 1.5;
}
@media only screen and (max-width: 767px) {
  .hist_txt {
    font-size: 1.4rem;
  }
}

.small_txt {
  font-family: YakuHanJP, "Noto Sans JP", sans-serif;
  font-weight: 500;
  font-variation-settings: 'wght' 500;
  margin-top: 5px;
  font-size: 1.0rem !important;
  line-height: 1.4;
  color: #000000 !important;
}

.indent {
  padding-left: 1em;
  text-indent: -1em;
}

/*history img
---------------------*/
.hist .mj_1911 {
  position: absolute;
  top: 20px;
  right: clamp(-20px, calc(50% - 240px), 100px);
  width: 124px;
}
@media only screen and (max-width: 767px) {
  .hist .mj_1911 {
    position: relative;
    top: 0;
    left: auto;
    margin: 0 auto;
  }
  .hist .mj_1911 img {
    margin: 0 auto;
  }
}
.hist .mj_1916 {
  position: absolute;
  top: 50px;
  right: 0;
  width: 221px;
}
@media only screen and (max-width: 767px) {
  .hist .mj_1916 {
    position: relative;
    top: 0;
    left: auto;
    margin: 0 auto;
  }
}

.hist.hist_flex {
  display: flex;
}
.hist.hist_flex .hist_main {
  flex: 1;
  z-index: 2;
}
.hist.hist_flex .hist_img {
  width: 100px;
  text-align: center;
  margin: 0 auto;
  padding: 0 0 0 20px;
  z-index: 1;
}
@media only screen and (max-width: 767px) {
  .hist.hist_flex .hist_img {
    padding: 10px 0 0 0;
  }
}
.hist.hist_flex .hist_img.hist_1978 {
  width: 200px;
}
.hist.hist_flex .hist_img img {
  margin: 0 auto;
}
@media only screen and (max-width: 767px) {
  .hist.hist_flex {
    display: block;
  }
}