.c-hamburger-button{z-index:30;position:relative}.c-hamburger-button__inner{display:block;width:27px;height:16px;position:relative;cursor:pointer}.c-hamburger-button__inner .c-hamburger__line{display:block;position:absolute;top:50%;right:0;width:100%;height:2px;border-radius:2px;background-color:var(--color-dark);transition:all .3s ease}.c-hamburger-button__inner .c-hamburger__line:nth-child(1){transform:translateY(-8px)}.overlay-open .c-hamburger-button__inner .c-hamburger__line:nth-child(1){transform:translate(0) rotate(45deg)}.overlay-open .c-hamburger-button__inner .c-hamburger__line:nth-child(2){opacity:0}.c-hamburger-button__inner .c-hamburger__line:nth-child(3){transform:translateY(8px)}.overlay-open .c-hamburger-button__inner .c-hamburger__line:nth-child(3){transform:translate(0) rotate(-45deg)}