<%= f.select_without_bootstrap :year, year_select_options, {include_blank: true}, {class: 'form-control form-control-inline'} %>年 <%= f.select_without_bootstrap :month, month_select_options, {include_blank: true}, {class: 'form-control form-control-inline'} %>月 <%= f.select_without_bootstrap :week, 1..6, {include_blank: true}, {class: 'form-control form-control-inline'} %>週