/*ナビゲーション*/
#g-nav{
  position:fixed;
  z-index: 18;
  display: none;
  width:100%;
  height: 100vh;/*ナビの高さ*/
  background: radial-gradient(rgb(179,156,140) 10px, rgb(210,221,223) 30%, rgba(255, 255, 255,0.8) 50%);
  /*動き*/
  /* transition:top 0.2s,opacity 0.2s 0.3s; */
}


#g-nav ul {
  /*ナビゲーション天地中央揃え*/
  display: flex;
  height: 100vh;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

/*リストのレイアウト設定*/

/*リストのレイアウト設定*/

#g-nav li{
  list-style: none;
    text-align: center; 
  }
  
  #g-nav li a{
  color: rgb(210,221,223);
  text-decoration: none;
  padding:10px;
  display: block;
  letter-spacing: 0.1em;
  }

/*========= ボタンのためのCSS ===============*/
.openbtn7{
position:fixed;
z-index: 19;/*ボタンを最前面に*/
top:15px;
right: 5%;
cursor: pointer;
width: 50px;
height:50px;
}

/*×に変化*/
.openbtn7 span{
  display: inline-block;
  transition: all .4s;
  position: absolute;
  height: 1px;
  border-radius: 2px;
  width: 100%;
  background-color: rgb(145, 145, 145);
}

.openbtn7 span:nth-of-type(1) {
top:15px;
}

.openbtn7 span:nth-of-type(2) {
top:23px;
}

.openbtn7 span:nth-of-type(3) {
top:31px;
}

.openbtn7.active span:nth-of-type(1) {
  top: 18px;
  transform: translateY(6px) rotate(-135deg);
  transition-delay: .1s;
}

.openbtn7.active span:nth-of-type(2) {
opacity: 0;
transform: translateX(20px);
}

.openbtn7.active span:nth-of-type(3){
  top: 30px;
  transform: translateY(-6px) rotate(135deg);
  transition-delay: .05s;
}