$(function(){
  $("#scroll-president-message").click(function () {
    scroll_screen("#president-message");
    return false;
  });

  $("#scroll-company-profile").click(function () {
    scroll_screen("#company-profile");
    return false;
  });

  $("#scroll-history").click(function () {
    scroll_screen("#history");
    return false;
  });

  $("#scroll-contact-section").click(function () {
    scroll_screen("#contact-section");
    return false;
  });

  function scroll_screen(id, speed) {
    var target_height = $(id).offset().top;
    var headerHeight = $('#siteheader').height();
    var setHeight = target_height - headerHeight - 40;
    $('html,body').animate({ scrollTop: setHeight}, speed);
  }

  var renkei_h3 = $(".renkei")
  var renkei_link = $(".renkei-link")

  $(window).on('load resize', function(){
    var winW = $(window).width();
    if (winW <= 640) {
      renkei_h3.css('text-align', 'left');
      renkei_link.css('margin', '0 auto');
    } else if (winW <= 927) {
      renkei_h3.css('text-align', 'center');
      renkei_link.css('margin', '0 auto');
    } else {
      renkei_h3.css('text-align', 'left');
      renkei_link.css('margin', '0');
    }
  });
});