*{
  box-sizing:border-box}
#topics .topics{
  background-color:#FFF;
  font-family:"Noto Sans JP",sans-serif;
  display:flex;
  justify-content:start;
  padding:20px 0;
  font-size:15px;
  align-items:center}
#topics .topics .news{
  box-sizing:content-box;
  padding:0 30px;
  border-right:solid 1px #DDD}
#topics .topics .date{
  font-weight:bold;
  padding:0}
#topics .topics .body{
  padding:0}
#topics .topics .article li{
  padding:.5rem 0 }

#mv .video{font-size:0;position:relative;width:100%;height:auto;overflow:hidden}
#mv .video video{width:100%;height:auto;transform:scale(1.01);filter:drop-shadow(0px 0px transparent);outline:none;border:none}
#mv .btn_sound{position:absolute;left:20px;bottom:20px;display:flex;align-items:center;font-size:0}
#mv .btn_sound .icon{cursor:pointer;margin-right:10px;transition:all .2s linear}
#mv .btn_sound .icon:hover,#mv .btn_sound .icon.hover{transform:scale(1.1)}
#mv .btn_sound .controller{display:flex}
#mv .btn_sound .controller .slush{margin:0 1px 0 2px}
#mv .btn_sound .on,#mv .btn_sound .off{cursor:pointer}
#mv .btn_sound.off .icon.on{display:none}
#mv .btn_sound.off .on{opacity:.5}
#mv .btn_sound.off .controller .off{cursor:auto}
#mv .btn_sound.on .icon.off{display:none}
#mv .btn_sound.on .controller .on{cursor:auto}
#mv .btn_sound.on .off{opacity:.5}
@media screen and (max-width: 767px){
  #mv .btn_sound{display:block}
  #mv .btn_sound .icon{width:30px;margin:0 auto;margin-bottom:5px}
  #mv .btn_sound .controller{width:30px;justify-content:center}
  #mv .btn_sound .controller .on{width:14px}
  #mv .btn_sound .controller .off{width:17px}
  #mv .btn_sound .controller .slush{width:5px}
  #topics .topics{
    padding:10px 0;
    display: block;
  }
  #topics .topics .news{
    padding:0 12px 0 15px;
    width:32px}
  #topics .topics .article{
    font-size:12px;
    padding: 1rem;
  }
}

#sec01{
  margin-top:16vh}
#sec01 .inner{
  width:1000px}
#sec01 .inner .text_area{
  width:615px;
  margin:0 auto}
#sec01 .inner h2{
  width:367px;
  margin:0 auto;
  margin-bottom:50px}
#sec01 .inner h3{
  margin:0;
  margin-bottom:70px}
#sec01 .inner h3 img{
  width:100%;
  height:auto}
#sec01 .video{
  margin:0 auto;
  font-size:0;
  margin-bottom:80px;
  position:relative}
#sec01 .video video{
  width:100%;
  height:auto;
  filter:drop-shadow(0px 0px transparent);
  outline:none;
  border:none}
#sec01 .img01{
  margin-bottom:8vh}
#sec01 .btns{
  display:flex;
  max-width:840px;
  margin:0 auto}

@media screen and (max-width: 767px){
  #sec01 .inner{
    width:82%}
  #sec01 .inner .text_area{
    width:100%}
  #sec01 .inner h2{
    width:275px;
    margin-bottom:30px}
  #sec01 .inner h3{
    margin:0;
    margin-bottom:4vh}
  #sec01 .inner h3 img{
    width:100%;
    height:auto}
  #sec01 .video{
    width:100%;
    margin-bottom:40px}
  #sec01 .video:after{
    width:75px;
    height:75px}
  #sec01 .btns{
    display:block}
  #sec01 .btns a.btn:first-child{
    margin-bottom:20px}
}

.btn{
  border:solid 4px #003755;
  width:400px;
  height:80px;
  text-decoration:none;
  display:flex;
  justify-content:center;
  align-items:center;
  border-radius:60px;
  margin:0 auto;
  font-family:"Noto Sans JP",sans-serif;
  letter-spacing:0;
  font-weight:700;
  font-size:18px;
  position:relative;
  transition:all .2s linear}

.form .btn {
  border:solid 6px #c30d23;
  color: #c30d23;
}

@media screen and (max-width: 767px){
  .btn{
    border:solid 4px #003755;
    width:100%;
    height:60px;
    font-size:15px;}
  .form .btn {
    border:solid 6px #c30d23;
    color: #c30d23;
  }
}

.btn:hover{
  background-color:#003755;
  color:#FFF}
.btn.blank:after{
  content:'';
  position:absolute;
  display:block;
  background-image:url(../img/icon_blank.png);
  width:20px;
  height:17px;
  background-size:contain;
  right:30px}
.form .btn:hover{
  background-color:#c30d23;
  color:#FFF}

@media screen and (max-width: 767px){
  .btn.blank:after{
    right:20px}
}

#sec_cafe{
  margin-bottom:16vh;
  padding:10vh 0}

@media screen and (max-width: 767px){
  #sec_cafe{
    margin-bottom:16vh;
    padding:0}
}

#sec_colmun{
  margin-bottom:16vh}
#sec_colmun .inner{
  width:1000px}
#sec_colmun h2{
  text-align:center}
#sec_colmun h3{
  font-size:20px;
  text-align:center;
  margin-top:-30px;
  font-family:"Noto Sans JP",sans-serif;
  font-weight:400;
  margin-bottom:77px}
#sec_colmun .items{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-start}
#sec_colmun .items .item{
  position:relative;
  font-family:"Noto Sans JP",sans-serif;
  background-color:#FFF;
  border-radius:20px;
  width:320px;
  min-height:320px;
  color:#000000;
  margin-right:20px;
  margin-bottom:20px;
  cursor:pointer}
#sec_colmun .items .item .photo{
  position:relative;
  border-radius:20px 20px 0 0;
  overflow:hidden;
  border:solid 4px #FFF;
  font-size:0}
#sec_colmun .items .item img{
  width:100%;
  height:auto;
  transition:all .2s linear}
#sec_colmun .items .item .text{
  padding:10px 20px}
#sec_colmun .items .item.video .text{
  float: left;
  width:100%;
  position: absolute;
  bottom: 0;
  background: #fff;
  border-radius: 0 0 20px 20px;
}
#sec_colmun .items .item .text .date{
  font-size:12px;
  font-weight:300}
#sec_colmun .items .item .text .body{
  font-size:18px;
  line-height:1.6}
#sec_colmun .items .item a{
  position:absolute;
  width:100%;
  height:100%;
  top:0;
  left:0;
  z-index:1}
#sec_colmun .items .item:nth-of-type(3n){
  margin-right:0}
#sec_colmun .items .item.new .photo:after{
  position:absolute;
  content:'';
  width:60px;
  height:60px;
  background-image:url(../img/sec_column_icon_new.png);
  background-size:contain;
  top:0;
  right:0;
  background-repeat:no-repeat}
#sec_colmun .items .item.video .photo{
  border-radius:20px}
#sec_colmun .items .item.video:after{
  position:absolute;
  content:'';
  width:100px;
  height:100px;
  background-image:url(../img/sec_column_icon_play.png);
  background-size:contain;
  top:-3rem;
  right:0;
  left:0;
  bottom:0;
  margin:auto;
  background-repeat:no-repeat}
#sec_colmun .items .item:hover .photo img{
  transform:scale(1.1)}

@media screen and (max-width: 767px){
  #sec_colmun .inner{
    width:92%}
  #sec_colmun h2{
    width:322px;
    margin:0 auto}
  #sec_colmun h3{
    font-size:14px;
    margin-top:-10px;
    margin-bottom:35px}
  #sec_colmun .inner{
    width: 100%;
    max-width: 100%;
  }
  #sec_colmun .items{
    align-items:flex-start}
  #sec_colmun .items .item{
    width:90%;
    padding:.5rem;
    min-height:0;
    margin-right:auto;
    margin-left: auto;
    margin-bottom:15px;
    border-radius:10px}
  #sec_colmun .items .item .photo{
    border-radius:10px 10px 0 0}
  #sec_colmun .items .item .text{
    padding:0 10px 10px}
  #sec_colmun .items .item.video .text{
    float: left;
    width:100%;
    position: absolute;
    bottom: 0;
    background: #fff;
    border-radius: 0 0 10px 10px;
  }
  #sec_colmun .items .item .text .date{
    font-size:10px}
  #sec_colmun .items .item .text .body{
    font-size:12px;
    line-height:1.4}
  #sec_colmun .items .item:nth-of-type(3n){
    margin-right:auto;
    margin-left: auto;
  }
  #sec_colmun .items .item:nth-child(even){
    margin-right:auto;
    margin-left: auto;
  }
  #sec_colmun .items .item:before{
    width:16px;
    height:15px;
    top:-7px}
  #sec_colmun .items .item.new .photo:after{
    width:45px;
    height:45px}
  #sec_colmun .items .item.video .photo{
    border-radius:10px}
  #sec_colmun .items .item.video:after{
    width:75px;
    height:75px}
}

.socials{
  display:flex;
  justify-content:space-between;
  width:320px;
  margin:0 auto;
  margin-bottom:10vh}
.socials a{
  display:block;
  width:90px;
  height:90px;
  background-color:#FFF;
  border-radius:50%;
  display:flex;
  justify-content:center;
  align-items:center;
  transition:all .2s linear}
.socials a:hover{
  opacity:.6}

@media screen and (max-width: 767px){
  .socials{
    width:260px;
    margin-bottom:10vh}
  .socials a{
    width:75px;
    height:75px}
  .socials a img{
    width:33px}
  .socials a:first-child img{
    width:32px}
  .socials a:hover{
    opacity:.6}
}

footer{
  font-size:0;
  padding-bottom:0}
footer .upper{
  width:100%;
  height:auto}
footer .inner{
  background-color:#FFF;
  padding:45px 35px}
footer .inner .logo{
  display:flex;
  justify-content:space-between;
  width:725px;
  margin:0 auto;
  color:#000000;
  margin-bottom:100px}
footer .inner .logo p{
  font-size:20px;
  text-align:left;
  font-weight:400}
footer .inner a.btn{
  width:200px;
  height:60px;
  margin-bottom:40px}
footer .inner a.btn:after{
  content:'';
  position:absolute;
  display:block;
  background-image:url(../img/icon_up.png);
  width:15px;
  height:10px;
  background-size:contain;
  right:20px;
  background-repeat:no-repeat}
footer .copyright{
  font-size:10px;
  font-family:"Noto Sans JP",sans-serif;
  letter-spacing:0;
  color:#333333;
  font-weight:400}

@media screen and (max-width: 767px){
  footer .upper{
    width:100%;
    height:auto}
  footer .inner{
    padding:45px 20px 140px}
  footer .inner .logo{
    display:block;
    width:275px;
    margin-bottom:75px}
  footer .inner .logo p{
    font-size:16px;
    text-align:center}
  footer .inner a.btn{
    width:160px;
    height:45px;
    margin-bottom:40px;
    font-size:15px}
  footer .inner a.btn:after{
    right:10px}
  footer .copyright{
    font-size:10px;
    font-family:"Noto Sans JP",sans-serif;
    letter-spacing:0;
    color:#333333;
    font-weight:400}
}

header{
  position:fixed;
  top:0;
  left:0;
  width:100%}
header h2.logo{
  position:absolute;
  top:20px;
  left:20px}
header .btn_menu{
  position:absolute;
  width:90px;
  height:90px;
  background-color:#FFF;
  top:10px;
  right:10px;
  border-radius:50%;
  display:flex;
  justify-content:center;
  align-items:center;
  cursor:pointer;
  transition:all .2s linear}
header .btn_menu:hover{
  transform:scale(1.1)}
header .btn_menu div{
  position:relative;
  width:45px;
  height:18px}
header .btn_menu div span{
  position:absolute;
  width:100%;
  height:4px;
  top:0;
  background-color:#c30d23;
  transition:all .2s linear}
header .btn_menu div span:nth-of-type(2){
  top:auto;
  bottom:0}
header .btn_menu.active div span{
  transform:rotate(45deg);
  top:10px}
header .btn_menu.active div span:nth-of-type(2){
  transform:rotate(-45deg)}

@media screen and (max-width: 767px){
  header h2.logo{
    width:120px;
    top:15px;
    left:20px}
  header .btn_menu{
    width:50px;
    height:50px;
    top:5px;
    right:5px}
  header .btn_menu div{
    position:relative;
    width:28px;
    height:10px}
  header .btn_menu div span{
    position:absolute;
    width:100%;
    height:2px}
  header .btn_menu:hover{
    transform:scale(1)}
}

nav{
  position:fixed;
  width:100%;
  height:100%;
  background-color:#FFF;
  display:flex;
  justify-content:center;
  align-items:center;
  transform:translateX(100%);
  transition:all .5s ease-out}
nav ul li{
  text-align:center;
  margin:0 auto;
  margin-bottom:4rem;
  font-size:2rem}
nav ul li a{
  font-family: "Helvetica Neue",Arial,"Hiragino Kaku Gothic ProN","Hiragino Sans",Meiryo,sans-serif;
  text-decoration: none;
  font-weight: bold;}
nav.show{
  transform:translateX(0)}

@media screen and (max-width: 767px){
  nav ul li{
    margin-bottom:2rem;
    font-size:1.25rem}
}

#sec01 {
  margin-bottom: 8vh;
}
#sec01 .inner {
  width: 1000px;
}
#sec01 .inner h3, #sec01 .inner p.body, #sec01 .inner .img01 {
  width: 615px;
  margin: 0 auto;
}
#sec01 .inner h3 {
  margin-bottom: 70px;
}
#sec01 .inner p.body {
  margin-bottom: 60px;
}

@media screen and (max-width: 767px) {
  #sec01 .inner {
    width: 100%;
  }
  #sec01 .inner h2 {
    width: calc(370 / 750 * 100%);
  }
  #sec01 .inner h3, #sec01 .inner p.body {
    width: calc(690 / 750 * 100%);
  }
  #sec01 .inner .img01 {
    width: calc(500 / 750 * 100%);
    margin-left: calc((750 - 690) / 2 / 750 * 100%);
  }
  #sec01 .inner h3 {
    margin-bottom: 35px;
  }
  #sec01 .inner p.body {
    margin-bottom: 60px;
    font-size: 12px;
  }
}

#mv,
#topics,
#sec_colmun,
#sec_about {
  margin-bottom: 16vh;
  font-family: "Noto Sans JP", sans-serif;
}
#sec_colmun .inner,
#sec_about .inner {
  width: 1000px;
}
#sec_colmun h2,
#sec_about h2 {
  font-size: 40px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 30px;
}
#sec_about p.body {
  color: #000000;
  font-size: 18px;
  margin-bottom: 50px;
  text-align: center;
}
#sec_about .map_container {
  text-align: center;
}
#sec_about .map_container p {
  font-size: 40px;
  line-height: 1.2;
  font-weight: 700;
}
#sec_about .map_container p span {
  font-size: 80px;
}

@media screen and (max-width: 767px) {
  #mv,
  #topics,
  #sec_about {
    margin-bottom: 8vh;
  }
  #sec_about .inner {
    width: calc(690 / 750 * 100%);
  }
  #sec_about h2 {
    font-size: 36px;
    margin-bottom: 30px;
  }
  #sec_about p.body {
    color: #000000;
    font-size: 14px;
    margin-bottom: 30px;
    text-align: center;
  }
  #sec_about .map_container {
    display: block;
  }
  #sec_about .map_container p {
    font-size: 25px;
    text-align: center;
    margin-bottom: 24px;
  }
  #sec_about .map_container p span {
    font-size: 50px;
  }
}

#sec02 {
  font-family: "Noto Sans JP", sans-serif;
}
#sec02 .inner {
  width: 1000px;
}
#sec02 .inner h2 {
  font-size: 30px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 50px;
}
#sec02 .inner ul.logos li {
  width: 168px;
  margin-right: 40px;
}
#sec02 .inner ul.logos li:nth-of-type(5n) {
  margin-right: 0;
}

@media screen and (max-width: 767px) {
  #sec02 {
    font-family: "Noto Sans JP", sans-serif;
  }
  #sec02 .inner {
    width: calc(690 / 750 * 100%);
  }
  #sec02 .inner h2 {
    font-size: 20px;
    margin-bottom: 25px;
  }
  #sec02 .inner ul.logos li {
    width: calc(210 / 690 * 100%);
    margin-right: calc(30 / 690 * 100%);
  }
  #sec02 .inner ul.logos li:nth-of-type(5n) {
    margin-right: calc(30 / 690 * 100%);
  }
  #sec02 .inner ul.logos li:nth-of-type(3n) {
    margin-right: 0;
  }
}

#sec03,
#sec_colmun,
#geological {
  font-family: "Noto Sans JP", sans-serif;
  margin-bottom: 8vh;
  padding-top: 16vh;
}
#geological .inner {
  width: 1000px;
}
#geological .inner h2 {
  font-size: 40px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 50px;
}
#geological .inner a.btn {
  width: 300px;
}
#geological .inner .boxes .box {
  display: flex;
  justify-content: space-between;
  margin-bottom: 90px;
}
#geological .inner .boxes .box picture img {
  width: 500px;
  height: auto;
}
#geological .inner .boxes .box .text {
  padding-top: 30px;
  width: 470px;
}
#geological .inner .boxes .box .text .num {
  margin-bottom: 20px;
  position: relative;
}
#geological .inner .boxes .box .text .num:before {
  position: absolute;
  content: '';
  width: 80px;
  height: 20px;
  background-image: url(../img/line.png);
  background-size: contain;
  top: 10px;
  left: -100px;
  background-repeat: no-repeat;
}
#geological .inner .boxes .box .text p {
  font-size: 18px;
  color: #000000;
  letter-spacing: 0;
}
#geological .inner .boxes .box:nth-child(even) {
  flex-direction: row-reverse;
}
#geological .inner .boxes .box:nth-child(even) .text .num {
  text-align: right;
}
#geological .inner .boxes .box:nth-child(even) .text .num:before {
  left: 490px;
  transform: scale(-1, 1);
}

@media screen and (max-width: 767px) {
  #sec03,
  #sec_colmun,
  #geological {
    font-family: "Noto Sans JP", sans-serif;
    margin-bottom: 8vh;
    padding-top: 8vh;
  }
  #geological .inner {
    width: calc(690 / 750 * 100%);
  }
  #geological .inner h2 {
    font-size: 25px;
    margin-bottom: 40px;
  }
  #geological .inner a.btn {
    width: 215px;
  }
  #geological .inner .boxes .box {
    display: block;
    margin-bottom: 40px;
  }
  #geological .inner .boxes .box picture img {
    width: 100%;
    height: auto;
  }
  #geological .inner .boxes .box .text {
    padding-top: 50px;
    width: 100%;
  }
  #geological .inner .boxes .box .text .num {
    margin-bottom: 20px;
    height: 15px;
    text-align: center;
  }
  #geological .inner .boxes .box .text .num img {
    height: 100%;
    width: auto;
  }
  #geological .inner .boxes .box .text .num:before {
    position: absolute;
    content: '';
    width: 2px;
    height: 40px;
    background-image: url(../img/line_sp.png);
    background-size: contain;
    top: -40px;
    left: 0;
    right: 0;
    margin: auto;
    background-repeat: no-repeat;
  }
  #geological .inner .boxes .box .text p {
    font-size: 14px;
  }
  #geological .inner .boxes .box:nth-child(even) .text .num {
    text-align: center;
  }
  #geological .inner .boxes .box:nth-child(even) .text .num:before {
    position: absolute;
    content: '';
    width: 2px;
    height: 40px;
    background-image: url(../img/line_sp.png);
    background-size: contain;
    top: -40px;
    left: 0;
    right: 0;
    margin: auto;
    background-repeat: no-repeat;
  }
}