$(function(){
  var pagetop = $('#page_top');
  // ボタン非表示
  pagetop.hide();
  // 100px スクロールしたらボタン表示
  $(window).scroll(function () {
    if ($(this).scrollTop() > 100) {
      pagetop.fadeIn();
    } else {
      pagetop.fadeOut();
    }
  });
  pagetop.click(function () {
    $('body, html').animate({ scrollTop: 0 }, 500);
    return false;
  });
});

var scrollend = $('.l_footer').offset().top;
var distance = 0;
$(document).scroll(function() {
  var h = $(window).height();
  distance = $(this).scrollTop() + h;
  if (scrollend <= distance) {
    $('.c_section_contact').fadeOut();
  } else {
    $('.c_section_contact').fadeIn();
  }
});

$('.js_slider_under ').slick({
  slidesToShow: 4.1,
  slidesToScroll: 1,
  arrows: false,
  dots: false,
  autoplay: true,
  autoplaySpeed: 1000,
  responsive: [{
    breakpoint: 1025,
    settings: {
      arrows: false,
      centerMode: true,
      slidesToShow: 1
    }
  }]
});


$('.js_list_feedback').slick({
  autoplay: true,
  autoplaySpeed: 3000,
  centerMode: true,
  centerPadding: '350px',
  slidesToShow: 1,
  dots: true,
  arrows: true,
  prevArrow: $('.prev'),
  nextArrow: $('.next'),
  responsive: [{
    breakpoint: 1025,
    settings: {
      arrows: true,
      prevArrow: $('.prev'),
      nextArrow: $('.next'),
      centerMode: false,
      slidesToShow: 1
    }
  }]
});

$(".js_arena").click(function() {
  var tg = $(this);

  if ($(this).hasClass('active')) {
    $(".js_arena").removeClass('active');
    $(".js_arena").next().slideUp();
  } else {
    $.when(
      $(".js_arena").removeClass('active'),
      $(".js_arena").next().slideUp()
    ).done(function() {
      tg.addClass('active');
      tg.next().slideDown();
    });
  }
});

$(".toc_title").click(function() {
  $('.toc_list').slideToggle('active');
});

$(".js_ttl_under_header").click(function() {
  $('.ttl_contents_js').slideToggle('active');
});
/* =========================================================*/
// jquery.modal_fix.js / ver.1.0

// Copyright (c) 2018 CoolWebWindow
// This code is released under the MIT License
// https://osdn.jp/projects/opensource/wiki/licenses%2FMIT_license

// Date: 2018-01-07
// Author: CoolWebWindow
// Mail: info@coolwebwindow.com
// Web: http://www.coolwebwindow.com

// Used jquery.js
// http://jquery.com/
/* =========================================================*/