@font-face {
  font-family: 'Noto Serif Japanese';
  font-style: normal;
  font-weight: 700;
}

* {
  box-sizing: border-box
}

html, body {
  margin: 0;
  height: 100%
}

body {
  background: url(/content/dam/nttcom/hq/jp/20th/img/bg.png) no-repeat center top
}

@media screen and (max-width: 768px) {
  body {
    background: url(/content/dam/nttcom/hq/jp/20th/img/bg_mob.png) repeat-x center top;
    background-size: 397px auto
  }
}

.wrapper {
  background: url(/content/dam/nttcom/hq/jp/20th/img/bg.png) no-repeat center bottom;
  background-position: bottom -370px left 50%
}

@media screen and (max-width: 768px) {
  .wrapper {
    background: url(/content/dam/nttcom/hq/jp/20th/img/bg_mob.png) repeat-x center top;
    background-size: 397px auto;
    background-position: bottom -370px left 50%
  }
}

main {
  font-family: "Hiragino Kaku Gothic ProN", "メイリオ", sans-serif;
  line-height: 1.5;
  padding-top: 86px;
  padding-bottom: 150px
}

@media screen and (max-width: 768px) {
  main {
    padding-top: 70px;
    padding-bottom: 70px
  }
}

main .PageTop_20th {
  text-align: center;
  text-transform: uppercase;
  font-weight: bold
}

main .PageTop_20th .goPageTop {
  cursor: pointer;
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  color: black
}

@media screen and (max-width: 768px) {
  main .PageTop_20th .goPageTop {
    font-size: 0.6875rem
  }
}

main .PageTop_20th .goPageTop:after {
  content: none
}

main .PageTop_20th .goPageTop::before {
  margin: 0 auto 20px;
  content: '';
  display: block;
  width: 26px;
  height: 14px;
  background: url(/content/dam/nttcom/hq/jp/20th/img/pagetop.png) no-repeat 0 0;
  background-size: contain
}

@media screen and (max-width: 768px) {
  main .PageTop_20th .goPageTop::before {
    width: 20px;
    height: 11px;
    background: url(/content/dam/nttcom/hq/jp/20th/img/pagetop.png) no-repeat 0 0;
    background-size: contain
  }
}

header {
  box-shadow: 0 15px 10px -10px #d5d5d5 inset
}

main .sectioning {
  margin-bottom: 130px
}

main .sectioning:first-child {
  padding-top: 90px
}

@media screen and (max-width: 768px) {
  main .sectioning:first-child {
    padding-top: 23px
  }
}

@media screen and (max-width: 1000px) {
  main .sectioning {
    margin-bottom: 60px
  }
}

@media screen and (max-width: 1000px) {
  .sectioning_layout-outer {
    padding-left: 10px;
    padding-right: 10px
  }
}

.sectioning_layout-inner {
  max-width: 1000px;
  margin: 0 auto
}

.mainvisual {
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
  -webkit-justify-content: space-around;
  justify-content: space-around;
  -webkit-box-align: center;
  -webkit-align-items: center;
  align-items: center
}

@media screen and (max-width: 1000px) {
  .mainvisual {
    display: block
  }
}

.mainvisual .grid_contents_20th {
  margin: 0 10px
}

.mainvisual .readTxt {
  text-align: center
}

.mainvisual .readTxt h2 {
  max-width: 450px;
  margin: 0 auto 1.9rem;
  font-size: 2rem;
  font-family: 'Noto Serif Japanese', serif;
  font-weight: 700;
  letter-spacing: 0.02em
}

@media screen and (max-width: 1000px) {
  .mainvisual .readTxt h2 {
    font-size: 1.125rem;
    width: 90%
  }
}

.mainvisual .readTxt p {
  margin-bottom: 1.5rem;
  font-weight: bold;
  letter-spacing: 0.005em
}

@media screen and (max-width: 1000px) {
  .mainvisual .readTxt p {
    font-size: 0.75rem
  }
}

.mainvisual .readTxt p img {
  width: 100%
}

.loading-bg {
  position: fixed;
  top: 0;
  left: 0;
  background: #fff;
  width: 100%;
  height: 100%;
  z-index: 1
}

@media screen and (max-width: 1000px) {
  .TitleH1 {
    margin-bottom: 30px
  }
}

.TitleH1 .logo-20th {
  max-width: 415px;
  width: 100%;
  margin: 0 auto;
  background: #fff;
  border-radius: 50%;
  position: relative;
  padding: 20px
}

@media screen and (max-width: 640px) {
  .TitleH1 .logo-20th {
    width: 240px
  }
}

.TitleH1 .logo-20th:after {
  border-radius: 50%;
  position: absolute;
  z-index: -1;
  display: block;
  content: "";
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #fff;
  box-shadow: 0px 0px 30px 20px #ffffff
}

.TitleH1 .logo-20th .loading-mv {
  position: fixed;
  z-index: 2
}

@media screen and (max-width: 640px) {
  .TitleH1 .logo-20th .loading-mv {
    -webkit-transform: scale(0.5, 0.5);
    transform: scale(0.5, 0.5)
  }
}

.TitleH1 .logo-20th .loading-mv img {
  width: inherit;
  position: absolute;
  -webkit-transition: -webkit-transform 3s;
  transition: -webkit-transform 3s;
  transition: transform 3s;
  transition: transform 3s, -webkit-transform 3s;
  opacity: 0
}

.TitleH1 .logo-20th .loading-mv img.loading {
  -webkit-transform: translate(0, 0) !important;
  transform: translate(0, 0) !important
}

.TitleH1 .logo-20th .loading-mv img#cb01 {
  top: 147px;
  left: 80px;
  -webkit-transform: translate(-400px, 0);
  transform: translate(-400px, 0)
}

.TitleH1 .logo-20th .loading-mv img#cb02 {
  top: 126px;
  left: 26px;
  -webkit-transform: translate(-400px, -50px);
  transform: translate(-400px, -50px)
}

.TitleH1 .logo-20th .loading-mv img#cb03 {
  top: 277px;
  left: 220px;
  -webkit-transform: translate(100px, 400px);
  transform: translate(100px, 400px)
}

.TitleH1 .logo-20th .loading-mv img#cb04 {
  top: 209px;
  left: 332px;
  -webkit-transform: translate(400px, 50px);
  transform: translate(400px, 50px)
}

.TitleH1 .logo-20th .loading-mv img#cb05 {
  top: 179px;
  left: 184px;
  -webkit-transform: translate(100px, 100px);
  transform: translate(100px, 100px)
}

.TitleH1 .logo-20th .loading-mv img#cb06 {
  top: 135px;
  left: 180px;
  -webkit-transform: translate(-50px, -100px);
  transform: translate(-50px, -100px)
}

.TitleH1 .logo-20th .loading-mv img#cb07 {
  top: 301px;
  left: 75px;
  -webkit-transform: translate(-500px, 500px);
  transform: translate(-500px, 500px)
}

.TitleH1 .logo-20th .loading-mv img#cb08 {
  top: 219px;
  left: 224px;
  -webkit-transform: translate(300px, 400px);
  transform: translate(300px, 400px)
}

.TitleH1 .logo-20th .loading-mv img#cb09 {
  top: 65px;
  left: 162px;
  -webkit-transform: translate(-150px, -400px);
  transform: translate(-150px, -400px)
}

.TitleH1 .logo-20th .loading-mv img#cb10 {
  top: 145px;
  left: 334px;
  -webkit-transform: translate(400px, 50px);
  transform: translate(400px, 50px)
}

.TitleH1 .logo-20th .loading-mv img#cb11 {
  top: 210px;
  left: 299px;
  -webkit-transform: translate(500px, 100px);
  transform: translate(500px, 100px)
}

.TitleH1 .logo-20th .loading-mv img#cb12 {
  top: 263px;
  left: 36px;
  -webkit-transform: translate(-600px, 400px);
  transform: translate(-600px, 400px)
}

.TitleH1 .logo-20th .loading-mv img#cb13 {
  top: 145px;
  left: 254px;
  -webkit-transform: translate(200px, -100px);
  transform: translate(200px, -100px)
}

.TitleH1 .logo-20th .loading-mv img#cb14 {
  top: 107px;
  left: 217px;
  -webkit-transform: translate(300px, 300px);
  transform: translate(300px, 300px)
}

.TitleH1 .logo-20th .loading-mv img#cb15 {
  top: 199px;
  left: 0px;
  -webkit-transform: translate(-300px, 150px);
  transform: translate(-300px, 150px)
}

.TitleH1 .logo-20th .loading-mv img#cb16 {
  top: 64px;
  left: 313px;
  -webkit-transform: translate(350px, -100px);
  transform: translate(350px, -100px)
}

.TitleH1 .logo-20th .loading-mv img#cb17 {
  top: 239px;
  left: 142px;
  -webkit-transform: translate(-100px, 600px);
  transform: translate(-100px, 600px)
}

.TitleH1 .logo-20th .loading-mv img#cb18 {
  top: 292px;
  left: 164px;
  -webkit-transform: translate(-200px, 400px);
  transform: translate(-200px, 400px)
}

.TitleH1 .logo-20th .loading-mv img#cb19 {
  top: 78px;
  left: 90px;
  -webkit-transform: translate(-300px, -300px);
  transform: translate(-300px, -300px)
}

.TitleH1 .logo-20th .loading-mv img#cb20 {
  top: 188px;
  left: 132px;
  -webkit-transform: translate(-100px, 50px);
  transform: translate(-100px, 50px)
}

.TitleH1 .logo-20th .loading-mv img#cb21 {
  top: 145px;
  left: 115px;
  -webkit-transform: translate(-100px, -50px);
  transform: translate(-100px, -50px)
}

.TitleH1 .logo-20th .loading-mv img#cb22 {
  top: 233px;
  left: 244px;
  -webkit-transform: translate(210px, 500px);
  transform: translate(210px, 500px)
}

.TitleH1 .logo-20th .loading-mv img#cb23 {
  top: 277px;
  left: 123px;
  -webkit-transform: translate(-230px, 500px);
  transform: translate(-230px, 500px)
}

.TitleH1 .logo-20th .loading-mv img#cb24 {
  top: 96px;
  left: 289px;
  -webkit-transform: translate(230px, -100px);
  transform: translate(230px, -100px)
}

.TitleH1 .logo-20th .loading-mv img#cb25 {
  top: 59px;
  left: 41px;
  -webkit-transform: translate(-230px, -600px);
  transform: translate(-230px, -600px)
}

.TitleH1 .logo-20th .loading-mv img#cb26 {
  top: 307px;
  left: 254px;
  -webkit-transform: translate(-230px, 600px);
  transform: translate(-230px, 600px)
}

.TitleH1 .logo-20th .loading-mv img#cb27 {
  top: 28px;
  left: 260px;
  -webkit-transform: translate(230px, -500px);
  transform: translate(230px, -500px)
}

.TitleH1 .logo-20th .loading-mv img#cb28 {
  top: 12px;
  left: 104px;
  -webkit-transform: translate(-30px, -400px);
  transform: translate(-30px, -400px)
}

.TitleH1 .logo-20th .loading-mv img#cb29 {
  top: 76px;
  left: 251px;
  -webkit-transform: translate(130px, -200px);
  transform: translate(130px, -200px)
}

.TitleH1 .logo-20th .loading-mv img#cb30 {
  top: 331px;
  left: 209px;
  -webkit-transform: translate(130px, 500px);
  transform: translate(130px, 500px)
}

.TitleH1 .logo-20th .loading-mv img#cb31 {
  top: 6px;
  left: 220px;
  -webkit-transform: translate(230px, 400px);
  transform: translate(230px, 400px)
}

.TitleH1 .logo-20th .loading-mv img#cb32 {
  top: 274px;
  left: 307px;
  -webkit-transform: translate(400px, 400px);
  transform: translate(400px, 400px)
}

.TitleH1 .logo-20th .loading-mv img#cb33 {
  top: 178px;
  left: 70px;
  -webkit-transform: translate(-330px, 100px);
  transform: translate(-330px, 100px)
}

.TitleH1 .logo-20th .loading-mv img#cb34 {
  top: 1px;
  left: 165px;
  -webkit-transform: translate(-20px, -300px);
  transform: translate(-20px, -300px)
}

.TitleH1 .logo-20th .loading-mv img#cb35 {
  top: 223px;
  left: 70px;
  -webkit-transform: translate(-120px, 300px);
  transform: translate(-120px, 300px)
}

.TitleH1 .logo-20th .loading-mv img#cb36 {
  top: 333px;
  left: 140px;
  -webkit-transform: translate(-120px, 400px);
  transform: translate(-120px, 400px)
}

.TitleH1 .logo-20th img {
  width: 100%;
  vertical-align: bottom
}

.TitleH1 h1 {
  margin: 0 auto;
  max-width: 384px;
  width: 100%
}

@media screen and (max-width: 640px) {
  .TitleH1 h1 {
    width: 200px
  }
}

.TitleH1 h1 img {
  width: 100%
}

.section-header {
  text-align: center
}

.section-header .ttl-section {
  margin: 0
}

.section-header .ttl-section img {
  vertical-align: bottom
}

@media screen and (max-width: 768px) {
  .section-header .ttl-section img {
    height: 24px
  }
}

.section-header p {
  font-size: 1.125rem;
  margin: 50px 0
}

@media screen and (max-width: 1000px) {
  .section-header p {
    font-size: 0.875rem;
    margin: 25px 0
  }
}

.bxslider {
  margin: 0
}

.bxslider img {
  vertical-align: bottom
}

.bx-wrapper {
  margin-bottom: 40px
}

.bx-wrapper .bx-pager.bx-default-pager a {
  background-color: #fff;
  border: 1px solid #bfbfbf
}

.bx-wrapper .bx-pager.bx-default-pager a:hover, .bx-wrapper .bx-pager.bx-default-pager a.active {
  background-color: #bfbfbf
}

.list-projects {
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
  -webkit-justify-content: center;
  justify-content: center;
}
@media screen and (min-width: 661px) {
  .list-projects:after {
    content: '';
    display: block;
    width: 30%;
    margin: 0 1.5% 20px;
  }
}

@media screen and (max-width: 660px) {
  .list-projects {
    display: block;
    padding: 0 10px;
  }
}

@media screen and (min-width: 661px) {
  .list-projects .block-project {
    position: relative;
    /* max-width: 400px; */
    width: 30%;
    margin: 0 1.5% 20px;
  }
  /* .list-projects .block-project:nth-child(2),
  .list-projects .block-project:nth-child(5),
  .list-projects .block-project:nth-child(8) {
    top: 80px;
  } */
}

@media screen and (max-width: 660px) {
  .list-projects .block-project+.block-project {
    margin-top: 30px
  }
}

.list-projects .block-project h2 {
  margin-bottom: 20px;
  text-align: center;
  /* font-size: 1.375rem; */
  font-size: 1.1rem;
  font-family: "Hiragino Kaku Gothic ProN", "メイリオ", sans-serif;
  font-weight: bold
}
.list-projects .block-project p a {
  text-decoration: underline;
}

@media screen and (max-width: 660px) {
  .list-projects .block-project h2 {
    font-size: 1.125rem
  }
}

@media screen and (max-width: 660px) {
  .list-projects .block-project p {
    font-size: 0.875rem
  }
}

.grid-wrapper {
  width: 100%;
  overflow: hidden;
  position: relative;
  background-color: #fff
}

@media screen and (max-width: 1000px) {
  .grid-wrapper {
    width: calc(100% + 20px);
    margin-left: -10px;
    margin-right: -10px
  }
}

@-webkit-keyframes spin {
  0% {
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg)
  }
  100% {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg)
  }
}

@keyframes spin {
  0% {
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg)
  }
  100% {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg)
  }
}

.grid {
  margin: 40px 0;
  height: 690px;
  -webkit-transform: translateX(0);
  transform: translateX(0);
  -webkit-transition: all 1200s linear;
  transition: all 1200s linear
}

@media screen and (max-width: 768px) {
  .grid {
    margin: 20px 0;
    height: 345px;
    -webkit-transition: all 2400s linear;
    transition: all 2400s linear
  }
}

.grid.move {
  -webkit-transform: translateX(-33600px);
  transform: translateX(-33600px)
}

.grid:after {
  content: '';
  display: block;
  clear: both
}

.grid-item {
  float: left;
  margin: 6px
}

@media screen and (min-width: 769px) {
  .grid-item {
    width: 126px;
    height: 126px
  }
}

@media screen and (max-width: 768px) {
  .grid-item {
    width: 63px;
    height: 63px;
    margin: 3px
  }
}

.grid-item img {
  -webkit-transition: width 0.3s, height 0.3s;
  transition: width 0.3s, height 0.3s;
  border-radius: 50%;
  overflow: hidden
}

@media screen and (min-width: 769px) {
  .grid-item img {
    width: 126px;
    height: 126px
  }
}

@media screen and (max-width: 768px) {
  .grid-item img {
    width: 63px;
    height: 63px
  }
}

.grid-item:not(.cb) {
  cursor: pointer
}

@media screen and (min-width: 769px) {
  .grid-item--width2 {
    width: 264px;
    height: 264px
  }
}

@media screen and (max-width: 768px) {
  .grid-item--width2 {
    width: 132px;
    height: 132px
  }
}

@media screen and (min-width: 769px) {
  .grid-item--width2 img {
    width: 264px;
    height: 264px
  }
}

@media screen and (max-width: 768px) {
  .grid-item--width2 img {
    width: 132px;
    height: 132px
  }
}

@media screen and (min-width: 769px) {
  .grid-item--big {
    width: 402px;
    height: 402px
  }
}

@media screen and (max-width: 768px) {
  .grid-item--big {
    width: 201px;
    height: 201px
  }
}

@media screen and (min-width: 769px) {
  .grid-item--big img {
    width: 402px;
    height: 402px
  }
}

@media screen and (max-width: 768px) {
  .grid-item--big img {
    width: 201px;
    height: 201px
  }
}

@media screen and (min-width: 769px) {
  .pcShow {
    display: block !important
  }
  .pcFxShow {
    display: -webkit-box !important;
    display: -webkit-flex !important;
    display: flex !important
  }
  .spShow {
    display: none !important
  }
  .spFxShow {
    display: none !important
  }
}

@media screen and (max-width: 768px) {
  .pcShow {
    display: none !important
  }
  .pcFxShow {
    display: none !important
  }
  .spShow {
    display: block !important
  }
  .spFxShow {
    display: -webkit-box !important;
    display: -webkit-flex !important;
    display: flex !important
  }
}

@media screen and (min-width: 769px) {
  .history-wrap {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    justify-content: space-between
  }
}

.history-wrap .history-block {
  position: relative
}

@media screen and (min-width: 769px) {
  .history-wrap .history-block {
    width: 49%
  }
}

.history-wrap .history-block::before {
  content: '';
  position: absolute;
  display: block;
  width: 4px;
  background: #eeeeee
}

@media screen and (min-width: 769px) {
  .history-wrap .history-block::before {
    left: 30px;
    top: 10px;
    height: calc(100% - 25px)
  }
}

@media screen and (max-width: 768px) {
  .history-wrap .history-block::before {
    left: 20px;
    top: 80px;
    height: calc(100% - 85px)
  }
}

@media screen and (min-width: 769px) {
  .history-wrap .history-block.history-second::before {
    height: 1170px
  }
}

.history-wrap .history-block .ttl-block {
  background-size: 100% auto !important;
  margin: 36px 0 0px
}

.history-wrap .history-block .ttl-block.tit01 {
  background: url("/content/dam/nttcom/hq/jp/20th/img/bg_tgltitle01.png") no-repeat center center
}

.history-wrap .history-block .ttl-block.tit02 {
  background: url("/content/dam/nttcom/hq/jp/20th/img/bg_tgltitle02.png") no-repeat center center
}

@media screen and (max-width: 768px) {
  .history-wrap .history-block .ttl-block.tit02 {
    margin-top: 20px
  }
}

.history-wrap .history-block .ttl-block .history-tgl {
  position: relative;
  display: block;
  padding: 8px 0
}

.history-wrap .history-block .ttl-block .history-tgl .txt {
  display: block;
  text-align: center;
  color: #fff;
  font-size: 17px;
  letter-spacing: 0.05em
}

.history-wrap .history-block .ttl-block .history-tgl::before, .history-wrap .history-block .ttl-block .history-tgl::after {
  content: '';
  display: block;
  position: absolute;
  right: 20px;
  top: 50%;
  width: 13px;
  height: 1px;
  background: #fff;
  -webkit-transition: all 0.4s;
  transition: all 0.4s
}

.history-wrap .history-block .ttl-block .history-tgl::after {
  -webkit-transform: rotate(90deg);
  transform: rotate(90deg)
}

.history-wrap .history-block .ttl-block .history-tgl.current::after {
  -webkit-transform: rotate(0deg);
  transform: rotate(0deg)
}

@media screen and (max-width: 768px) {
  .history-wrap .history-block .history-tgl-body {
    padding-top: 20px;
    display: none
  }
  .history-wrap .history-block .history-tgl-body.current {
    display: block
  }
}

.history-wrap .history-block .history-block-inner {
  position: relative;
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: justify;
  -webkit-justify-content: space-between;
  justify-content: space-between;
  margin: 12px 0
}

.history-wrap .history-block .history-block-inner dt {
  position: relative;
  display: block;
  top: -6px;
  background: #bfbfbf;
  color: #fff;
  font-weight: bold;
  border-radius: 50%;
  text-align: center;
  margin: 0
}

@media screen and (min-width: 769px) {
  .history-wrap .history-block .history-block-inner dt {
    padding: 19px 0 0;
    width: 62px;
    height: 62px;
    font-size: 16px
  }
}

@media screen and (max-width: 768px) {
  .history-wrap .history-block .history-block-inner dt {
    padding: 15px 0 0;
    width: 45px;
    height: 45px;
    font-size: 12px
  }
}

.history-wrap .history-block .history-block-inner dd {
  position: relative;
  margin: 0 0 0 10px;
  padding: 0;
  box-shadow: 0 0 14px 0 #efefef;
  border-radius: 10px;
  padding: 10px 14px 10px 16px
}

@media screen and (min-width: 769px) {
  .history-wrap .history-block .history-block-inner dd {
    width: calc(100% - 82px)
  }
}

@media screen and (max-width: 768px) {
  .history-wrap .history-block .history-block-inner dd {
    width: calc(100% - 75px);
    margin-right: 5px
  }
}

.history-wrap .history-block .history-block-inner dd::before, .history-wrap .history-block .history-block-inner dd::after {
  content: '';
  display: block;
  position: absolute;
  top: 18px;
  left: -5px;
  width: 10px;
  height: 10px;
  -webkit-transform: rotate(-45deg);
  transform: rotate(-45deg)
}

.history-wrap .history-block .history-block-inner dd::before {
  box-shadow: 0 0 14px 0 #efefef
}

.history-wrap .history-block .history-block-inner dd::after {
  background: #fff
}

.history-wrap .history-block .history-block-inner dd p {
  margin: 0;
  line-height: 1.5
}

.history-wrap .history-block .history-block-inner dd p.month {
  color: #bfbfbf;
  font-size: 14px
}

@media screen and (max-width: 768px) {
  .history-wrap .history-block .history-block-inner dd p.month {
    margin-bottom: 4px;
    font-size: 11px
  }
}

.history-wrap .history-block .history-block-inner dd p.txt {
  margin-bottom: 6px;
  font-size: 18px;
  color: #090909
}

@media screen and (max-width: 768px) {
  .history-wrap .history-block .history-block-inner dd p.txt {
    font-size: 13px
  }
}

.history-wrap .history-block .history-block-inner:last-child::before {
  content: '';
  left: 10px;
  top: 20px;
  position: absolute;
  display: block;
  width: 30px;
  height: 100%;
  background: #fff
}