@charset "utf-8";.btn_item{margin-bottom:10px}.main_concept{position:relative;overflow:hidden}.concept{position:relative}.textbox{margin:0 5%;width:90%}.rice{height:75%;width:75%;position:absolute;top:-100px;left:-80px;background-image:url(//tks-navi.com/wp-content/themes/tks-navi/assets/css/../images/child/rice.png);background-size:contain;background-repeat:no-repeat;opacity:.25;z-index:-1}@media (min-width:770px){.curry{height:400px;width:400px;position:absolute;bottom:-10%;left:70%;background-image:url(//tks-navi.com/wp-content/themes/tks-navi/assets/css/../images/child/curry.png);background-size:contain;background-repeat:no-repeat;opacity:.25}.rice{top:-150px;left:-100px}}