【jQuery】ステッププログレスバーを作ってみた

HTMLコード

<div class="questionnaire" id="app">
    <div class="questionnaire_flow"><span class="questionnaire_point"></span></div>
    <div class="questionnaire_flow_text"><span class="questionnaire_point_text">START</span><span class="questionnaire_point_text">GOAL</span></div>
      <div id="form_page" v-show="form_page">
         <form name="send" id="form" method="post" action="">
              <div class="questionnaire_list active" data-questnum="1">
                <div class="questionnaire_item questionnaire1">
                    <p class="questionnaire_title">年齢</p>
                    <ul class="questionnaire_item_list">
                        <li class="item">
                            <input v-model="questionnaire1" type="radio" name="" id="questionnaire1_1" value="20代"><label for="questionnaire1_1"><span class="input_text">20代</span></label>
                        </li>
                        <li class="item">
                            <input v-model="questionnaire1" type="radio" name="" id="questionnaire1_2" value="30代"><label for="questionnaire1_2"><span class="input_text">30代</span></label>
                        </li>
                        <li class="item">
                            <input v-model="questionnaire1" type="radio" name="" id="questionnaire1_3" value="40代"><label for="questionnaire1_3"><span class="input_text">40代</span></label>
                        </li>
                        <li class="item">
                            <input v-model="questionnaire1" type="radio" name="" id="questionnaire1_4" value="50代"><label for="questionnaire1_4"><span class="input_text">50代</span></label>
                        </li>
                        <li class="item">
                            <input v-model="questionnaire1" type="radio" name="" id="questionnaire1_5" value="60代"><label for="questionnaire1_5"><span class="input_text">60代</span></label>
                        </li>
                        <li class="item">
                            <input v-model="questionnaire1" type="radio" name="" id="questionnaire1_6" value="70代"><label for="questionnaire1_6"><span class="input_text">70代</span></label>
                        </li>
                    </ul>
                </div>
            </div>

            <div class="questionnaire_list" data-questnum="2">
                <div class="questionnaire_item questionnaire2">
                    <p class="questionnaire_title">職業</p>
                    <ul class="questionnaire_item_list">
                        <li class="item">
                            <input v-model="questionnaire2" type="radio" name="" id="questionnaire2_1" value="会社員"><label for="questionnaire2_1"><span class="input_text">会社員</span></label>
                        </li>
                        <li class="item">
                            <input v-model="questionnaire2" type="radio" name="" id="questionnaire2_2" value="アルバイト"><label for="questionnaire2_2"><span class="input_text">アルバイト</span></label>
                        </li>
                        <li class="item">
                            <input v-model="questionnaire2" type="radio" name="" id="questionnaire2_3" value="自営業"><label for="questionnaire2_3"><span class="input_text">自営業</span></label>
                        </li>
                        <li class="item">
                            <input v-model="questionnaire2" type="radio" name="" id="questionnaire2_4" value="10million~"><label for="questionnaire2_4"><span class="input_text">無職</span></label>
                        </li>
                    </ul>
                </div>
            </div>

            <div class="questionnaire_list" data-questnum="3">
                <div class="questionnaire_item questionnaire3">
                    <p class="questionnaire_title">性別</p>
                    <ul class="questionnaire_item_list">
                        <li class="item">
                            <input v-model="questionnaire3" type="radio" name="" id="questionnaire3_1" value="男"><label for="questionnaire3_1"><span class="input_text">男</span></label>
                        </li>
                        <li class="item">
                            <input v-model="questionnaire3" type="radio" name="" id="questionnaire3_2" value="女"><label for="questionnaire3_2"><span class="input_text">女</span></label>
                        </li>
                    </ul>
                </div>
            </div>

            <div class="questionnaire_list" data-questnum="4">
                <div class="questionnaire_item questionnaire4">

                    <ul class="questionnaire_item_list">
                        <li class="item type_text">
                            <p class="input_caption">お名前<span class="required">※必須</span></p>
                            <input v-bind:class="[err.namae ? 'ipterr' : '']" type="text" name="" v-model="namae" class="" placeholder="例）田中太郎"></li>

                            <li class="item type_text">
                              <p class="input_caption">電話番号<span class="required">※必須</span></p>
                              <input v-bind:class="[err.tel ? 'ipterr' : '']" type="text" name="" v-model="tel" class="" placeholder="例）0312345678"></li>
                            </div>

                            <div class="checkbox_title">
                              <input type="checkbox" name="agree" value="agreement">同意しますか</input>
                            </div>

                          <div class="item">
                            <button type="submit" id="submitButton" class="send-btn userpush sendbtn common_btn"><p class="input_text">送信</p>
                            </button>
    
                </div>
            </div>
         </form>
    </div>
</div>

CSSコード

/* line 15, ../sass/add.scss */
html {
    line-height: 1;
}

/* line 18, ../sass/add.scss */
ol, ul {
    list-style: none;
}

/* line 21, ../sass/add.scss */
table {
    border-collapse: collapse;
    border-spacing: 0;
}

/* line 25, ../sass/add.scss */
caption, th, td {
    text-align: left;
    font-weight: normal;
    vertical-align: middle;
}

/* line 30, ../sass/add.scss */
q, blockquote {
    quotes: none;
}

/* line 33, ../sass/add.scss */
q:before, q:after, blockquote:before, blockquote:after {
    content: "";
    content: none;
}

/* line 37, ../sass/add.scss */
a img {
    border: none;
}

/* line 40, ../sass/add.scss */
a {
    -webkit-transition: all .3s;
    transition: all .3s;
}

/* line 44, ../sass/add.scss */
article, aside, details, figcaption, figure, footer, header, hgroup, main, menu, nav, section, summary {
    display: block;
}

/* line 47, ../sass/add.scss */
* {
    box-sizing: border-box;
}

/* line 50, ../sass/add.scss */
.oswald {
    font-family: 'Oswald', sans-serif;
    font-weight: 500;
}

/* line 54, ../sass/add.scss */
.roboto {
    font-family: 'Roboto', sans-serif;
}

/* line 57, ../sass/add.scss */
button, select, input[type=tel], input[type=email], input[type=text], input[type=radio]{
    appearance: none;
    -moz-appearance: none;
    
    border: none;
}

/* line 69, ../sass/add.scss */
input[type=radio] {
    display: none;
}

/* line 74, ../sass/add.scss */
#form_page {
    width: 100%;
    position: relative;
}

/* line 79, ../sass/add.scss */
#form_page .icon_point {
    width: 41px;
    height: 46px;
    display: block;
    position: absolute;
    right: -20px;
    top: 18px;
    animation: scallBaloon 2.5s ease-in-out 0s infinite;
    transition: all .5s;
}

/* line 89, ../sass/add.scss */
#form_page .icon_point img {
    width: 100%;
    display: block;
}

/* line 95, ../sass/add.scss */
#form_page.point_change1 .icon_point {
    top: 80px;
}

/* line 100, ../sass/add.scss */
#form_page.point_change2 .icon_point {
    top: calc(100% - 75px);
}

/* line 105, ../sass/add.scss */
.questionnaire {
    background: #b0ddf0;
    width: 100vw;
    /*min-height: 100vh;*/
    padding: 20px 25px 45px;
}

/* line 110, ../sass/add.scss */
.questionnaire_flow_text, .questionnaire_flow {
    max-width: calc(100% - 50px);
    height: 18px;
    position: relative;
    margin: auto;
}

/* line 116, ../sass/add.scss */
.questionnaire_flow_text:after, .questionnaire_flow:after {
    content: "";
    position: absolute;
    display: block;
    top: 7px;
    left: 0;
    width: 100%;
    height: 4px;
    background: #000;
}

/* line 126, ../sass/add.scss */
.questionnaire_flow_text:before, .questionnaire_flow:before {
    content: "";
    width: 18px;
    height: 18px;
    background: #000;
    border-radius: 100%;
    position: absolute;
    top: 0px;
    right: 0;
    z-index: 1;
    transition: all .3s;
    transform: translateX(9px);
}

/* line 140, ../sass/add.scss */
.questionnaire_flow_text {
    width: calc(100% - 0px);
    display: flex;
    margin-top: 10px;
}

/* line 144, ../sass/add.scss */
.questionnaire_flow_text:before, .questionnaire_flow_text:after {
    display: none;
}

/* line 148, ../sass/add.scss */
.questionnaire_flow_text .questionnaire_point_text {
    display: flex;
    width: fit-content;
}

/* line 152, ../sass/add.scss */
.questionnaire_flow_text .questionnaire_point_text + .questionnaire_point_text {
    margin-left: auto;
}

/* line 156, ../sass/add.scss */
.questionnaire_point {
    width: 18px;
    height: 18px;
    background: orange;
    border: 2px solid #fffe5b;
    border-radius: 100%;
    position: absolute;
    top: 0px;
    left: 0;
    z-index: 1;
    transition: all .3s;
    transform: translateX(-9px);
    box-shadow: 0px 0px 7px 0px rgba(0, 0, 0, 0.6);
}

/* line 170, ../sass/add.scss */
.questionnaire_point.goal {
    left: 100% !important;
}

/* line 175, ../sass/add.scss */
.questionnaire_list {
    padding: 0px;
    display: none;
    margin-top: 20px;
}

/* line 180, ../sass/add.scss */
.questionnaire_list.active {
    display: block;
}

/* line 184, ../sass/add.scss */
.questionnaire_title {
    font-size: 21px;
    font-weight: bold;
    text-align: center;
    line-height: 1.3;
    font-feature-settings: "palt";
}

/* line 190, ../sass/add.scss */
.questionnaire_title span {
    font-size: 16px;
    font-weight: bold;
    display: block;
    font-feature-settings: "palt";
}

/* line 199, ../sass/add.scss */
.questionnaire_item_list {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    margin-top: 20px;
}

/* line 204, ../sass/add.scss */
.questionnaire_item_list .item {
    width: calc((100% - 10px)/2);
    margin-right: 10px;
    margin-top: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* line 214, ../sass/add.scss */
.questionnaire_item_list .item label {
    width: 100%;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ff8a20;
    border-radius: 10px;
    position: relative;
    overflow: hidden;
    box-shadow: 0px 5px 0px 0px rgba(0, 0, 0, 0.3);
    cursor: pointer;
}

/* line 225, ../sass/add.scss */
.questionnaire_item_list .item label:after {
    content: "";
    position: absolute;
    display: block;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #ff7a20;
    clip-path: polygon(0% 100%, 0% 0%, 80% 0%, 20% 100%);
}

/* line 237, ../sass/add.scss */
.questionnaire_item_list .item input:checked + label {
    background: #ec6329;
}

/* line 239, ../sass/add.scss */
.questionnaire_item_list .item input:checked + label:after {
    background: #ec4e29;
}

/* line 245, ../sass/add.scss */
.questionnaire_item_list .item:nth-of-type(2n) {
    margin-right: 0;
}

/* line 248, ../sass/add.scss */
.questionnaire_item_list .item.type_text {
    width: 100%;
    margin-right: 0;
    justify-content: flex-start;
    flex-wrap: wrap;
}

/* line 253, ../sass/add.scss */
.questionnaire_item_list .item.type_text input[type=tel], .questionnaire_item_list .item.type_text input[type=email], .questionnaire_item_list .item.type_text select, .questionnaire_item_list .item.type_text input[type=text] {
    border: 1px solid #CCC;
    border-radius: 4px;
    background: #FFF;
    width: 100%;
    height: 50px;
    margin-top: 8px;
    padding: 0 12px;
    font-size: 16px;
}

/* line 267, ../sass/add.scss */
.questionnaire_item_list .item.type_address1, .questionnaire_item_list .item.type_ken {
    display: none;
}

/* line 275, ../sass/add.scss */
.questionnaire_item .input_text {
    color: #FFF;
    font-size: 21px;
    font-weight: bold;
    text-shadow: 2px 2px 0px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 1;
}

/* line 284, ../sass/add.scss */
.questionnaire_item .input_text img {
    display: block;
    width: 100%;
    margin: auto;
    max-width: 282px;
}

/* line 291, ../sass/add.scss */
.questionnaire_item .input_caption {
    font-size: 18px;
    width: 100%;
    font-weight: 500;
}

/* line 295, ../sass/add.scss */
.questionnaire_item .input_caption .required {
    font-size: 14px;
    font-weight: 500;
    color: #ec6329;
    display: inline-block;
    margin-left: 5px;
}

/* line 310, ../sass/add.scss */
.questionnaire .common_btn {
    width: 50%;
    height: 90%;
    padding: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #66FF99;
    border-radius: 10px;
    position: relative;
    overflow: hidden;
    box-shadow: 0px 5px 0px 0px rgba(0, 0, 0, 0.3);
    margin: 0 auto;
    top: 20px;
    cursor: pointer;
    
}

/* line 324, ../sass/add.scss */
.questionnaire .common_btn:after {
    content: "";
    position: absolute;
    display: block;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #00FF99;
    clip-path: polygon(0% 100%, 0% 0%, 80% 0%, 20% 100%);
}

/* line 335, ../sass/add.scss */
.questionnaire .common_btn .input_text {
    color: #FFF;
    font-size: 40px;
    font-weight: bold;
    text-shadow: 2px 2px 0px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 1;
    line-height: 1;
}

/* line 348, ../sass/add.scss */
.questionnaire7 .item .common_btn, .questionnaire6 .item .common_btn {
    opacity: 0.5;
}

/* line 350, ../sass/add.scss */
.questionnaire7 .item .common_btn.active_item, .questionnaire6 .item .common_btn.active_item {
    opacity: 1;
}

/* line 356, ../sass/add.scss */
.questionnaire7 .questionnaire_item_list + .item {
    position: relative;
}

/* line 358, ../sass/add.scss */
.questionnaire7 .questionnaire_item_list + .item:after {
    content: "";
    position: absolute;
    display: block;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 100;
    opacity: 0;
}

.checkbox_title{
    text-align: center;
    font-size: 21px;
    padding-top: 15px;
}

input[type=checkbox]{
    transform: scale(1.4);
    margin: 0 7px 0 0;
}

@keyframes scallBaloon {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(0.9);
    }

    70% {
        transform: scale(1);
    }
}

@media screen and (max-width:768px){

    .questionnaire .common_btn {
		width: 60%;
	}

    .questionnaire .common_btn .input_text{
        font-size: 100%;
    }

    .questionnaire .common_btn .input_text  span{
        font-size: 50%;
    }

    .questionnaire_item .input_text {
        font-size: 85%;
    }

    .questionnaire_title{
        font-size: 18px;
    }
}

jQueryコード

$(function(){



  $('.questionnaire_item input[type="radio"]').change(function(){
      $(this).parents('.questionnaire_list').removeClass('active');
      $(this).parents('.questionnaire_list').next('.questionnaire_list').addClass('active');

      var pointPosition = $('.active').data('questnum');
      pointPosition = (100 / 4)*(pointPosition - 1);
      //console.log(pointPosition)
      $('.questionnaire_point').css('left',pointPosition + '%');
  var speed = 400;
  var target = $('#app');
  var position = target.offset().top;
  $('body,html').animate({scrollTop:position}, speed);
      return false;
  });
  $('.sendbtn').on('click',function(){
      $('.questionnaire_point').addClass('goal')
  });
      }

});

document.addEventListener('DOMContentLoaded', function(event) {
    const targetButton = document.getElementById('submitButton');
    const triggerCheckbox = document.querySelector('input[name="agree"]');
  
    targetButton.disabled = true;
    targetButton.classList.add('is-inactive');
  
    triggerCheckbox.addEventListener('change', function() {
      if (this.checked) {
        targetButton.disabled = false;
        targetButton.classList.remove('is-inactive');
        targetButton.classList.add('is-active');
      } else {
        targetButton.disabled = true;
        targetButton.classList.remove('is-active');
        targetButton.classList.add('is-inactive');
      }
    }, false);
  }, false);