html{color:#000;background:#FFF}body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,code,form,fieldset,legend,input,textarea,p,blockquote,th,td{margin:0;padding:0}table{border-collapse:collapse;border-spacing:0}fieldset,img{border:0}address,caption,cite,code,dfn,em,strong,th,var{font-style:normal;font-weight:normal}ol,ul{list-style:none}caption,th{text-align:left}h1,h2,h3,h4,h5,h6{font-size:100%;font-weight:normal}q:before,q:after{content:''}abbr,acronym{border:0;font-variant:normal}sup{vertical-align:text-top}sub{vertical-align:text-bottom}input,textarea,select{font-family:inherit;font-size:inherit;font-weight:inherit;*font-size:100%}legend{color:#000}#yui3-css-stamp.cssreset{display:none}


body {
  font-size: 16px;
  word-wrap: break-word;
  color: #111;
  background:#fff;
  
  font-family: 'Noto Sans JP', sans-serif;
}




.black{
  color: #111;
}
.gray{
  color: #aaa;
}

.center{
  text-align: center;
}
.left{
  text-align: left;
}
.right{
  text-align: right;
}




a:link{text-decoration:none;color:#111;}
a:visited{text-decoration:none;color:#111;}
a:hover{text-decoration:none;color:#aaa;}
a:active{text-decoration:none;color:#111;}





/*chrome文字ボケ対策*/
img{
  -webkit-backface-visibility: hidden;
}



/* ---------- contents -----------------*/
/* ---------- contents -----------------*/
/* ---------- contents -----------------*/

.font_contents{
  margin-top:5px;
  margin-left:5px;
  font-size:22px;
  font-weight:700;
}
.news_icon{
  display: inline-block;
  vertical-align:top;
}

.font_gallery1{
  margin-top:25px;
  font-size:18px;
  font-weight:400;
  letter-spacing:4px;
}
.font_gallery2{
  margin-top:10px;
  font-size:30px;
  font-weight:500;
  letter-spacing:5px;
}
.font_gallery3{
  margin-top:10px;
  font-size:26px;
  font-weight:500;
  letter-spacing:4px;
}
.font_gallery4{
  width:60%;
  left:0;
  right:0;
  margin:0 auto;
  margin-top:80px;
  font-size:14px;
  font-weight:300;
  line-height:1.7;
  letter-spacing:2px;
}
.font_gallery1_m{
  margin-top:30px;
  font-size:15px;
  font-weight:300;
  letter-spacing:1px;
}
.font_gallery2_m{
  margin-top:20px;
  font-size:23px;
  font-weight:500;
  letter-spacing:3px;
}
.font_gallery3_m{
  margin-top:10px;
  font-size:18px;
  font-weight:500;
  letter-spacing:3px;
}
/* ---------- nav -----------------*/
/* ---------- nav -----------------*/
/* ---------- nav -----------------*/

#nav{
  width:1000px;
  height:70px;
  font-size:14px;
  font-weight:700;
  left:10%;
  right:10%;
  margin: auto;
  margin-top:20px;
}

#nav2{
  width:1000px;
  height:50px;
  font-size:14px;
  font-weight:700;
  left:10%;
  right:10%;
  margin: auto;
  margin-top:0px;
}
.nav_content{
  width:110px;
  display: inline-block;
  vertical-align: middle;
}
.nav_content1{
  width:130px;
  display: inline-block;
  vertical-align: middle;
}

.line_img{
  width:20px;
  height:50px;
}



.header-change{
  background-color:rgba(255,255,255,1);
  display: flex;
  justify-content: space-between;
  padding: 20px;
  position: fixed;
  top: -120px;
  transition: 1s;
  width: 100%;
  min-width:1000px;
  z-index:999;
}
.header-change.show{
  top: 0;
}
.header-change .gnav__menu__item a{
  color: #fff;
  text-decoration: none;
}







/* mobile */
/*============
 nav
 =============*/
nav {
  display: block;
  position: fixed;
  top: 0;
  left: -300px;
  bottom: 0;
  width: 300px;
  background: #ffffff;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  transition: all .5s;
  z-index: 3;
  opacity: 0;
}
.open nav {
  left: 0;
  opacity: 1;
}
nav .inner {
  padding: 25px;
}
nav .inner ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
nav .inner ul li {
  position: relative;
  margin: 0;
  border-bottom: 1px solid #333;
}
nav .inner ul li a {
  display: block;
  color: #333;
  font-size: 14px;
  padding: 1em;
  text-decoration: none;
  transition-duration: 0.2s;
}
nav .inner ul li a:hover {
  background: #e4e4e4;
}
@media screen and (max-width: 767px) {
  nav {
    left: -220px;
    width: 220px;
  }
}
/*============
 .toggle_btn
 =============*/
.toggle_btn {
  display: block;
  position: fixed;
  top: 20px;
  right: 20px;
  width: 30px;
  height: 30px;
  transition: all .5s;
  cursor: pointer;
  z-index: 3;
}
.toggle_btn span {
  display: block;
  position: absolute;
  left: 0;
  width: 40px;
  height: 5px;
  background-color: #aaa;
  border-radius: 4px;
  transition: all .5s;
}
.toggle_btn span:nth-child(1) {
  top: 4px;
}
.toggle_btn span:nth-child(2) {
  top: 14px;
}
.toggle_btn span:nth-child(3) {
  bottom: 1px;
}
.open .toggle_btn span {
  background-color: #fff;
}
.open .toggle_btn span:nth-child(1) {
  -webkit-transform: translateY(10px) rotate(-315deg);
  transform: translateY(10px) rotate(-315deg);
}
.open .toggle_btn span:nth-child(2) {
  opacity: 0;
}
.open .toggle_btn span:nth-child(3) {
  -webkit-transform: translateY(-10px) rotate(315deg);
  transform: translateY(-10px) rotate(315deg);
}
/*============
 #mask
 =============*/
#mask {
  display: none;
  transition: all .5s;
}
.open #mask {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #000;
  opacity: .8;
  z-index: 2;
  cursor: pointer;
}
/*============
 main
 =============*/
main {
  padding: 50px;
}
main h1 {
  font-family: 'Open Sans', sans-serif;
  font-weight: 400;
  text-align: center;
}




/* ---------- font_bottom ----------------*/
/* ---------- font_bottom ----------------*/
/* ---------- font_bottom ----------------*/

.font_bottom{
  font-size:12px;
  font-weight:400;
  letter-spacing:3px;
}



/*  --------- Scroll ---------------*/
/*  --------- Scroll ---------------*/
/*  --------- Scroll ---------------*/
.ScrollTop {
  position: fixed;
  
  right: 2%;
  
  bottom: 10px;
  display: flex;
  
  opacity: 0;
  transition: all 0.65s;
}
.ScrollTop.isActive {
  opacity: 1;
  transition: all 0.65s;
}




/* ------------------- */
/* ------ demo3 ------ */
/* ------------------- */


.wrap{
  width: 80%;
  margin: 0 auto;
}
.wrap_m{
  width: 100%;
  margin: 0 auto;
}



.demo{
  margin-bottom: 100px;
}

.demo:last-of-type{
  margin-bottom: 0;
}

.demo03 .masonry-demo03 {
  display:inline-block;
  width: 100%;
  margin: 0 auto;
}

.demo03 .item {
  width: 250px;
}

.demo03 .item img {
  width: 100%;
  padding:5px;
}




.demo03_m .item {
  width: 50%;
  padding:0px
}

.demo03_m .item img {
  width: 100%;
  padding:3px
}
  .demo03_m .masonry-demo03 {
    display:inline-block;
    width: 100%;
    margin: 0 auto;
  }