.l-article {
  @include column(12);
  @include respond-to($mq-m) {
    @include column(8);
  }
}

.l-article {
  @include column(12);
  @include respond-to($mq-m) {
    @include column(7);
  }
}

Change the article page to have the correct line length
Change the article page to have the correct line length
