@charset "UTF-8";

.activity section .main {
  display: -webkit-box;  /*Android4.3*/
  display: -moz-box;     /*Firefox21*/
  display: -ms-flexbox;  /*IE10*/
  display: -webkit-flex; /*PC-Safari,iOS8.4*/
  display: flex;
}

.activity section img{
  width: 300px;
}


.activity section .main_text {
  padding-left: 40px;
}


/* mobile */
@media (max-width: 720px) {
  .activity section .main {
    display: inline;
  }

  .activity section img{
    width: 100%;
  }

  .activity section .main_text {
    padding-top: 20px;
    padding-left: 0px;
  }
}