/*/////////////////////////////////////////
  Banner Area専用CSS

  バナーサイズ
  大　w1080px x h290px
  ハーフ　w536px x h290px
  細い　ｗ1080px x h150px
/////////////////////////////////////////*/
#seasonal-project {
  display: grid;
}
#banner-area {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
}

@media screen and (max-width: 510px) {
  #season-event-area {
    margin: 2em 0 0.5em 0;
  }
  #seasonal-project {
    margin: 1em auto;
    grid-template-rows: 39px 91px;
    gap: 0.5em;
  }
  #banner-area {
    width: 351px;
    margin: 0 auto;
  }
    #banner-area a picture {
      width: 100%;
    }
    #banner-area img {
      width: 100%;
      height: auto;
    }
}
/*-----------------------------------------
    Base Structure
    min-width: 511px and max-width: 959px
-----------------------------------------*/
@media screen and (min-width: 511px) and (max-width: 959px) {
  #seasonal-project {
    margin: 1em auto;
    grid-template-rows: 80px 1fr;
    gap: 0.5em;
  }
  #banner-area {
    width: 100%;
  }
    #banner-area a picture {
      max-width: 100%;
    }
    #banner-area img {
      max-width: 100%;
      height: auto;
    }
  }
/*-----------------------------------------
    min-width: 960px - max-width: 1079px
    Media Query
    min-width: 1081px
-----------------------------------------*/
@media screen and (min-width: 960px) {
  #seasonal-project {
    margin: 1em auto;
    grid-template-rows: 145px 290px;
    gap: 0.5em;
  }
  #banner-area {
    width: 100%;
  }
    #banner-area a picture {
      max-width: 100%;
    }
    #banner-area img {
      max-width: 100%;
      height: auto;
    }
}