@charset "utf-8";
/* CSS Document */

/*--Link------------------------------------------------------------*/
a:hover, a:active { text-decoration: none; }
a:focus { outline: none; }

._hover {
    transition: opacity 0.3s linear;
    opacity: 1;
}
._hover:hover {
    opacity: 0.7;
}

/*--style----------------------------------------------------------*/
.w_txt { font-weight: 700; }
.t_center { text-align: center; }
.t_right { text-align: right; }

/*--header----------------------------------------------------------*/
header {
  display: flex;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.6);
  width: 100%;
  z-index: 98;
  padding: .2rem 0;
  position: fixed;
}

.container_head {
  display: flex;
  justify-content: space-between;
  position: relative;
}

.menu_btn_wrap {
  background-color: var(--sky);
  width: .8rem;
  height: .8rem;
  display: block;
  border-radius: 50%;
  z-index: 100;
  position: relative;
}
.menu_btn {
  width: .4rem;
  height: .4rem;
  top: .2rem;
  right: .2rem;
  cursor: pointer;
  z-index: 101;
  position: absolute;
}
.menu_btn span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--white);
  transition: 0.3s;
}
.menu_btn span:nth-child(1){ top: .1rem; }
.menu_btn span:nth-child(2){ bottom: .1rem; }
.menu_btn.active span:nth-child(1){ transform:translateY(.08rem) rotate(45deg); }
.menu_btn.active span:nth-child(2){ transform:translateY(-.08rem) rotate(-45deg); }

.menu {
  position: fixed;
  top: 0;
  right: -3rem;
  width: 3rem;
  height: 100vh;
  background: var(--black);
  padding: 1.2rem .3rem .3rem;
  box-sizing:border-box;
  transition:0.3s;
  z-index: 99;
}
.menu.open{ right:0; }
.menu ul {
}
.menu li {
  margin: .2rem 0;
}
.menu a {
  color: var(--white);
  font-size: var(--stacksize_18);
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  opacity: 0;
  visibility: hidden;
  transition: 0.3s;
  z-index: 98;
}
.overlay.show {
  opacity: 1;
  visibility: visible;
}

/*-- Retina --*/
@media screen and (max-width: 768px) {
}




/*-- main ----------------------------------------------------------*/
#contents {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  box-sizing: border-box;
}
#contents img {
  max-width: 750px;
}

@media screen and (max-width: 768px) {
}