/*  #about
================================================ */
#about { overflow: hidden; background-image: url("../img/common/bg_concept01.png"); background-position: top -30px right -28px; background-repeat: no-repeat; background-size: 168px; }

@media screen and (min-width: 600px) { #about { background-position: left center; background-repeat: no-repeat; background-size: 516px; } }

/*  #treatment
================================================ */
#treatment { overflow: hidden; position: relative; }

#treatment .inner { padding-top: 46px; padding-bottom: 50px; }

#treatment .list { margin-top: 20px; }

@media screen and (min-width: 600px) { #treatment .inner { padding-top: 90px; padding-bottom: 100px; }
  #treatment .list { margin-top: 30px; } }

/*  #feature
================================================ */
#feature { overflow: hidden; }

#feature .inner { padding-top: 25px; padding-bottom: 50px; }

@media screen and (min-width: 600px) { #feature .inner { padding-top: 100px; padding-bottom: 100px; } }