@media(min-width: 768px){.koku_menu>div .en_jp_btn{width:180px;height:35px;background-color:#678d9f;border-radius:0 0 10px 10px;display:flex;justify-content:center;align-items:center;position:absolute;top:0;right:20px}.koku_menu>div .en_jp_btn a{color:#fff;letter-spacing:1px}}@media screen and (max-width: 767px){.koku_menu>div .en_jp_btn{width:290px;height:38px;background-color:#678d9f;border-radius:10px;display:flex;justify-content:center;align-items:center;position:absolute;bottom:45px;left:calc(50% - 145px)}.koku_menu>div .en_jp_btn a{color:#fff;letter-spacing:1px}#g-nav{top:-400px;height:490px}}