main {
  font-size: 16px;
  font-feature-settings: "palt"; }
  @media screen and (max-width: 640px) {
    main {
      font-size: 14px; } }

      main p{ line-height: 1.6;}
.mt0 {
  margin-top: 0; }

.contents_header {
  background: url(../img/common/main_bg.jpg) center center no-repeat;
  background-size: cover;
  color: #fff;
  display: grid;
  place-items: center;
  height: 320px; }
  @media screen and (max-width: 640px) {
    .contents_header {
      height: auto;
      padding: 20px; } }
  .contents_header .wrap .contents_title {
    font-size: 52px;
    padding: 10px;
    border-top: solid 1px #fff;
    border-bottom: solid 1px #fff;
    margin-bottom: 20px;
    text-align: center; }
    @media screen and (max-width: 640px) {
      .contents_header .wrap .contents_title {
        font-size: 25px; } }
  .contents_header .wrap small {
    display: block;
    text-align: center;
    font-size: 16px; }
    @media screen and (max-width: 640px) {
      .contents_header .wrap small {
        font-size: 14px; } }

.pages_link {
  display: flex;
  justify-content: center; }
  .pages_link li {
    width: 390px;
    margin: 60px 20px 0; }
    @media screen and (max-width: 640px) {
      .pages_link li {
        margin: 30px 10px 0;
        width: 45%; } }
    .pages_link li a {
      display: block;
      background: #fff;
      border: solid 4px #024682;
      border-radius: 40px;
      text-align: center;
      padding: 10px;
      transition: .3s;
      font-size: 23px;
      font-weight: bold;
      color: #024682; }
      @media screen and (max-width: 640px) {
        .pages_link li a {
          padding: 5px;
          font-size: 16px; } }
      .pages_link li a:hover, .pages_link li a.active {
        color: #fff;
        background: #024682; }

main h1 {
  font-size: 45px;
  font-weight: bold;
  text-align: center;
  margin: 80px 0; }
  @media screen and (max-width: 640px) {
    main h1 {
      font-size: 25px;
      margin: 30px 0; } }

.history_info {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 20px; }
  .history_info section {
    margin-bottom: 60px; }
    @media screen and (max-width: 640px) {
      .history_info section {
        margin-bottom: 30px; } }
  .history_info h2 {
    text-align: center;
    font-weight: bold;
    font-size: 26px; }
    @media screen and (max-width: 640px) {
      .history_info h2 {
        font-size: 18px;
        line-height: 1.5; } }
  .history_info .sec01 p {
    margin-top: 20px; }
    @media screen and (max-width: 640px) {
      .history_info .sec01 p {
        margin-top: 10px; } }

.anchorlinks ul {
  margin: 60px auto;
  display: flex;
  justify-content: center; }
  @media screen and (max-width: 640px) {
    .anchorlinks ul {
      margin: 30px auto;
      flex-wrap: wrap;
      justify-content: space-between; } }
  .anchorlinks ul li {
    width: 343px;
    margin: 0 10px;
    background-size: cover;
    overflow: hidden; }
    @media screen and (max-width: 640px) {
      .anchorlinks ul li {
        width: 43%;
        margin: 15px 10px; } }
    .anchorlinks ul li a {
      display: block;
      color: #fff;
      font-size: 22px;
      font-weight: bold;
      text-align: center;
      padding: 20px;
      transition: .3s;
      text-shadow: 2px 2px 5px #333; }
      @media screen and (max-width: 640px) {
        .anchorlinks ul li a {
          padding: 10px;
          font-size: 16px;
          line-height: 1.5; } }
      .anchorlinks ul li a span {
        font-size: 20px; }
        @media screen and (max-width: 640px) {
          .anchorlinks ul li a span {
            font-size: 14px; } }
      .anchorlinks ul li a:hover {
        transform: scale(1.1); }
    .anchorlinks ul li:first-child a {
      background: url(../img/history/h_bg01.jpg) center center no-repeat;
      background-size: cover; }
    .anchorlinks ul li:nth-child(2) a {
      background: url(../img/history/h_bg02.jpg) center center no-repeat;
      background-size: cover; }
    .anchorlinks ul li:nth-child(3) a {
      background: url(../img/history/h_bg03.jpg) center center no-repeat;
      background-size: cover; }
    .anchorlinks ul li:nth-child(4) a {
      background: url(../img/history/h_bg04.jpg) center center no-repeat;
      background-size: cover; }

.class_header {
  background: #F2EDDF;
  padding: 24px 20px 40px;
  text-align: center; }
  @media screen and (max-width: 640px) {
    .class_header {
      padding: 20px; } }
  .class_header h2 {
    font-size: 52px; }
    @media screen and (max-width: 640px) {
      .class_header h2 {
        font-size: 25px; } }
  .class_header small {
    font-size: 16px; }
  .class_header p {
    width: 70%;
    text-align: left;
    margin: 30px auto 0; }
    @media screen and (max-width: 640px) {
      .class_header p {
        width: 100%;
        text-align: left;
        margin: 15px auto 0; } }

.timeline {
  width: 100%;
  padding: 60px 20px;
  position: relative; }
  @media screen and (max-width: 640px) {
    .timeline {
      padding: 30px 0; } }
  .timeline::after {
    content: "";
    display: block;
    width: 3px;
    height: 100%;
    background: #D7000F;
    position: absolute;
    left: 50%;
    top: 0;
    z-index: -10; }
  .timeline .box_l, .timeline .box_r {
    width: 50%;
    padding: 0 40px;
    position: relative;
    opacity: 0.8;
    visibility: hidden;
    transform: translateY(30px);
    transition: opacity 1s, visibility 1s, transform 1s; }
    .timeline .box_l.is-fadein, .timeline .box_r.is-fadein {
      opacity: 1;
      visibility: visible;
      transform: translateX(0); }
    .timeline .box_l em, .timeline .box_r em {
      color: #D7000F;
      display: block;
      margin-bottom: 10px; }
    .timeline .box_l p, .timeline .box_r p {
      margin: 10px 0 0 0; }
      @media screen and (max-width: 640px) {
        .timeline .box_l p, .timeline .box_r p {
          line-height: 1.5; } }
    .timeline .box_l .year, .timeline .box_r .year {
      display: flex;
      justify-content: flex-end;
      align-items: flex-end; }
      .timeline .box_l .year .num, .timeline .box_r .year .num {
        font-family: Arial, Helvetica, sans-serif;
        font-size: 52px;
        color: #D7000F;
        font-weight: bold;
        line-height: 0.7; }
        @media screen and (max-width: 640px) {
          .timeline .box_l .year .num, .timeline .box_r .year .num {
            font-size: 22px; } }
      .timeline .box_l .year .c_name01, .timeline .box_r .year .c_name01 {
        color: #fff;
        background: #D7000F;
        border: solid 2px #D7000F;
        line-height: 1;
        padding: 3px 10px;
        border-radius: 20px;
        margin: 0 10px;
        font-size: 14px;
        font-weight: bold; }
        @media screen and (max-width: 640px) {
          .timeline .box_l .year .c_name01, .timeline .box_r .year .c_name01 {
            font-size: 10px;
            padding: 3px 5px;
            margin: 0 5px; } }
      .timeline .box_l .year .c_name02, .timeline .box_r .year .c_name02 {
        color: #D7000F;
        border: solid 2px #D7000F;
        line-height: 1;
        padding: 3px 10px;
        border-radius: 20px;
        margin: 0 10px;
        font-size: 14px;
        font-weight: bold; }
        @media screen and (max-width: 640px) {
          .timeline .box_l .year .c_name02, .timeline .box_r .year .c_name02 {
            font-size: 10px;
            padding: 3px 5px;
            margin: 0 5px; } }
    .timeline .box_l .photo, .timeline .box_r .photo {
      margin-top: 10px;
      display: flex;
      align-items: center; }
    .timeline .box_l::after, .timeline .box_r::after {
      content: "";
      display: block;
      width: 24px;
      height: 24px;
      background: #D7000F;
      border-radius: 50%;
      position: absolute;
      top: 6px; }
      @media screen and (max-width: 640px) {
        .timeline .box_l::after, .timeline .box_r::after {
          width: 15px;
          height: 15px;
          top: 1px; } }
  @media screen and (max-width: 640px) {
    .timeline .box_l {
      padding: 0 20px 0 10px; } }
  .timeline .box_l em {
    text-align: right; }
  .timeline .box_l p {
    text-align: right; }
  .timeline .box_l .photo {
    justify-content: flex-end; }
    .timeline .box_l .photo .img {
      margin: 0 0 0 20px; }
  .timeline .box_l::after {
    right: -13px; }
    @media screen and (max-width: 640px) {
      .timeline .box_l::after {
        right: -9px; } }
  .timeline .box_r {
    margin: 0 0 0 auto; }
    @media screen and (max-width: 640px) {
      .timeline .box_r {
        padding: 0 10px 0 20px; } }
    .timeline .box_r .year {
      flex-direction: row-reverse; }
    .timeline .box_r::after {
      left: -11px; }
      @media screen and (max-width: 640px) {
        .timeline .box_r::after {
          left: -6px; } }
    .timeline .box_r .photo .img {
      margin: 0 20px 0 0; }
  .timeline.t01 {
    margin-top: 60px;
    padding-top: 0; }
    @media screen and (max-width: 640px) {
      .timeline.t01 {
        margin-top: 30px; } }
    .timeline.t01::after {
      top: 10px; }
    .timeline.t01 .item_02 {
      margin-top: -160px; }
    .timeline.t01 .item_04 {
      margin-top: -250px; }
      @media screen and (max-width: 640px) {
        .timeline.t01 .item_04 {
          margin-top: -150px; } }
    .timeline.t01 .item_06 {
      margin-top: -250px; }
      @media screen and (max-width: 640px) {
        .timeline.t01 .item_06 {
          margin-top: -150px; } }
  .timeline.t02 .item_01::after {
    display: none; }
  .timeline.t02 .item_02 {
    margin-top: -75px; }
  .timeline.t02 .item_03 {
    margin-top: -100px; }
  .timeline.t02 .item_04 {
    margin-top: -60px; }
  .timeline.t02 .item_05 {
    margin-top: 50px; }
  .timeline.t02 .item_07 {
    margin-top: 60px; }
    .timeline.t02 .item_07::after {
      display: none; }
  .timeline.t02 .item_08 {
    margin-top: -75px; }
  .timeline.t02 .item_10 {
    margin-top: -80px; }
  .timeline.t02 .item_11 {
    margin-top: 80px; }
  .timeline.t02 .item_12 {
    margin-top: 60px; }
  .timeline.t03 .item_04 {
    margin-top: 50px; }
  .timeline.t03 .item_05 {
    margin-top: -100px; }
  .timeline.t03 .item_06 {
    margin-top: 100px; }
  .timeline.t03 .item_07 {
    margin-top: -415px; }
    .timeline.t03 .item_07::after {
      display: none; }
    @media screen and (max-width: 640px) {
      .timeline.t03 .item_07 {
        margin-top: -234px; } }
  .timeline.t03 .item_08 {
    margin-top: 100px; }
  .timeline.t03 .item_09 {
    margin-top: 70px; }
  .timeline.t03 .item_10 {
    margin-top: 70px; }
  .timeline.t03 .item_14 {
    margin-top: 50px; }
    .timeline.t03 .item_14::after {
      display: none; }
  .timeline.t03 .item_15 {
    margin-top: -75px; }
  .timeline.t04 {
    padding-bottom: 200px; }
    .timeline.t04 .item_02 {
      margin-top: -100px; }
    .timeline.t04 .item_03 {
      margin-top: 60px; }
    .timeline.t04 .item_05 {
      margin-top: 50px; }
    .timeline.t04 .item_06 {
      margin-top: -50px; }
    .timeline.t04 .item_07 {
      margin-top: 50px; }
    .timeline.t04 .item_08 {
      margin-top: 80px; }
    .timeline.t04 .item_11 {
      margin-top: -150px; }
      @media screen and (max-width: 640px) {
        .timeline.t04 .item_11 {
          margin-top: -50px; } }
    .timeline.t04 .item_12 {
      margin-top: 60px; }
      .timeline.t04 .item_13 {
        margin-top: 150px; }

.footer_wave {
  background: url(../img/common/footer_bg.svg) center top no-repeat;
  padding: 120px 20px; }
  @media screen and (max-width: 640px) {
    .footer_wave {
      background: #71BEE1;
      padding: 20px; } }
  .footer_wave .inner {
    max-width: 1066px;
    margin: 0 auto; }
    .footer_wave .inner .link_ir {
      display: flex;
      justify-content: space-between; }
      @media screen and (max-width: 640px) {
        .footer_wave .inner .link_ir {
          display: block; } }
      .footer_wave .inner .link_ir .report {
        width: 70%; }
        @media screen and (max-width: 640px) {
          .footer_wave .inner .link_ir .report {
            width: 100%; } }
        .footer_wave .inner .link_ir .report a {
          border: solid 2px #fff;
          font-size: 21px;
          color: #000;
          display: flex;
          align-items: center;
          justify-content: space-between;
          padding: 15px 40px;
          border-radius: 10px;
          background: #fff;
          transition: .3s; }
          @media screen and (max-width: 640px) {
            .footer_wave .inner .link_ir .report a {
              padding: 15px 20px;
              font-size: 16px; } }
          .footer_wave .inner .link_ir .report a .img {
            width: 60%;
            display: flex;
            justify-content: flex-end;
            align-items: baseline; }
            .footer_wave .inner .link_ir .report a .img img {
              width: 210px; }
            @media screen and (max-width: 640px) {
              .footer_wave .inner .link_ir .report a .img {
                width: 40%; } }
            .footer_wave .inner .link_ir .report a .img p {
              font-size: 16px;
              margin-right: 20px;
              white-space: nowrap; }
              @media screen and (max-width: 640px) {
                .footer_wave .inner .link_ir .report a .img p {
                  font-size: 12px;
                  margin-right: 10px; } }
          .footer_wave .inner .link_ir .report a:hover {
            opacity: 0.8; }
      .footer_wave .inner .link_ir .document {
        width: 28%;
        display: grid;
        align-content: space-between; }
        @media screen and (max-width: 640px) {
          .footer_wave .inner .link_ir .document {
            width: 100%; } }
        .footer_wave .inner .link_ir .document a {
          border: solid 2px #fff;
          font-size: 21px;
          display: block;
          border-radius: 10px;
          background: #fff;
          color: #000;
          padding: 20px 40px;
          position: relative;
          transition: .3s; }
          @media screen and (max-width: 640px) {
            .footer_wave .inner .link_ir .document a {
              font-size: 16px;
              margin: 20px 0 0 0; } }
          .footer_wave .inner .link_ir .document a::before {
            content: "";
            display: block;
            width: 0;
            height: 0;
            border-style: solid;
            border-top: 6px solid transparent;
            border-bottom: 6px solid transparent;
            border-left: 9px solid #cd0713;
            border-right: 0;
            position: absolute;
            left: 20px;
            top: 43%; }
          .footer_wave .inner .link_ir .document a:hover {
            opacity: 0.8; }
    .footer_wave .inner .link_special {
      margin-top: 170px; }
      @media screen and (max-width: 640px) {
        .footer_wave .inner .link_special {
          margin-top: 20px; } }
      .footer_wave .inner .link_special ul {
        display: flex;
        justify-content: space-between; }
        @media screen and (max-width: 640px) {
          .footer_wave .inner .link_special ul {
            display: block; } }
        .footer_wave .inner .link_special ul li {
          width: 30%; }
          @media screen and (max-width: 640px) {
            .footer_wave .inner .link_special ul li {
              width: 100%;
              margin-bottom: 20px; } }
          .footer_wave .inner .link_special ul li a {
            border: solid 2px #3492C0;
            line-height: 1;
            border-radius: 10px;
            overflow: hidden;
            display: block;
            transition: .3s; }
            @media screen and (max-width: 640px) {
              .footer_wave .inner .link_special ul li a img {
                width: 100%; } }
            .footer_wave .inner .link_special ul li a:hover {
              opacity: 0.8; }