#project_group {position: relative;margin: auto;margin-top: 250px;width: 1460px;height: 550px; transition-property: filter;    transition-duration: 0.3s;}
.gray{filter: grayscale(1);}
#project_group .menu_common {position: absolute;top: 0; transition-property: left;    transition-duration: 1s;}
#metaverse{left:0; }
#media_art{left:370px;}
#webtoon{left:740px;}
#deeptech{left:1110px;}


.ani_set{ transition-property: background-position-x, width;    transition-duration: 1s, 1s;}
.show_image{background-position-x:0px; width:620px;}
.setpos{left:0 !important;}
.btn_clip{transition-property: clip-path;    transition-duration: 1s; clip-path: inset(0px 0px 0px 0px);}
.btn_clip_hide{clip-path: inset(0px 0px 0px 100%);}