// 
            
            // 
            const headCDiszAQ9Rp = document.getElementsByTagName('head');

            // 
            if (window.jQuery) {
                // no action.
            } else {
                // 
                const forJqueryScriptTagCDiszAQ9Rp = document.createElement('script');
                forJqueryScriptTagCDiszAQ9Rp.src = 'https://ajax.googleapis.com/ajax/libs/jquery/3.7.0/jquery.min.js';
                headCDiszAQ9Rp[0].appendChild(forJqueryScriptTagCDiszAQ9Rp);
            }
            
            // 
            const forAxiosScriptTagCDiszAQ9Rp = document.createElement('script');
            forAxiosScriptTagCDiszAQ9Rp.src = 'https://cdn.jsdelivr.net/npm/axios@1.1.2/dist/axios.min.js';
            headCDiszAQ9Rp[0].appendChild(forAxiosScriptTagCDiszAQ9Rp);
            
            // 
            const forAnimateCssLinkTagCDiszAQ9Rp = document.createElement('link');
            forAnimateCssLinkTagCDiszAQ9Rp.href = 'https://adtasukaru.com/css2/animate.css';
            forAnimateCssLinkTagCDiszAQ9Rp.rel = 'stylesheet';
            headCDiszAQ9Rp[0].appendChild(forAnimateCssLinkTagCDiszAQ9Rp);

            // 
            function executeActionsAfterTools01FormatClickedCDiszAQ9Rp(tools01FormatId, abTestStatus, section) {
                // 
                const params = new URLSearchParams();
                params.append('tools01_format_id', tools01FormatId);
                params.append('ab_test_status', abTestStatus);
                params.append('section', section);
                params.append('referrer', location.href);
                axios.post(`https://adtasukaru.com/l/api/tools01/format/execute-after-clicked-actions`, params);
            }
            // // 
            // if (typeof executeActionsAfterTools01FormatClicked !== 'function') {
            // } else {
            //     console.log('executeActionsAfterTools01FormatClicked is already defined.');
            // }
        
            
            // 
            (function() {
                history.replaceState(null, null, location.href.replace(location.hash, ''));

                // 
                let formatHtml;

                // 
                
                    console.log("format in section1 → OK");
                    let section1FormatId = '1';
                
                    formatHtml =
                    '<div id="format-number-1" style="display: none;">'+
                        '<div class="popup01-background"></div>'+
                        '<div class="popup01-outline" style="width:350px;height:350px;">'+
                            '<div class="popup01-close">×</div>'+
                            '<a href="https://business-english1.com/td.html?popup-b" target="_blank" rel="noopener" class="popup-anchor" onclick="executeActionsAfterTools01FormatClickedCDiszAQ9Rp(547, \'0\', 1)">'+
                                '<img class="popup-img" src="https://adtasukaru.com/uploads/user/active/8cgvqS4ZjO17aozE.jpg">' +
                            '</a>'+
                        '</div>'+
                    '</div>';
                    document.documentElement.insertAdjacentHTML('beforeend', formatHtml);
                
                    console.log("format in section2 → NO");
                    let section2FormatId = undefined;
                
                    console.log("format in section3 → NO");
                    let section3FormatId = undefined;
                

                // 
                window.addEventListener('load', function(){

                    // 
                    
            // 
            const head = document.getElementsByTagName('head');

            // 
            const forTools01CssLinkTag = document.createElement('link');
            forTools01CssLinkTag.href = 'https://adtasukaru.com/css2/tools01.css';
            forTools01CssLinkTag.rel = 'stylesheet';
            head[0].appendChild(forTools01CssLinkTag);

            // 
            let forTools01JsScriptTag = document.createElement('script');
            forTools01JsScriptTag.src = 'https://adtasukaru.com/js2/tools01.js';
            head[0].appendChild(forTools01JsScriptTag);
        

                    // memorize how far popup has gone
                    let displayType = '0';
                    let displayFormatNumber = '1';
                    let maxReachedSection = '1';
                    let checkStockPointsApiExecuted = false;

                    // 
                    let timeoutId;
                    window.addEventListener('scroll', function () {
                        // 
                        var storedScrollPosition = sessionStorage.getItem('scrollPosition');
                        if (storedScrollPosition !== null) {
                            window.scrollTo(0, storedScrollPosition);
                            sessionStorage.removeItem('scrollPosition'); // スクロール位置を一度使用したら削除する
                        }else {
                            // no action.
                        }

                        // 
                        if(!timeoutId) { // if 'timeoutId' is unset
                            // ok.
                        }else {
                            return;
                        }

                        // 
                        timeoutId = setTimeout(() => {
                            timeoutId = 0;
                            
                            // 
                            let scrollTop = document.documentElement.scrollTop;
                            let clientHeight = document.documentElement.clientHeight;

                            // 
                            if(displayType === '0') { // type 'memorize'
                                console.log("displayType: 'memorize', maxReachedSection: "+maxReachedSection);
                            } else if(displayType === '1') { // type 'there'
                                console.log("displayType: 'there', displayFormatNumber: "+displayFormatNumber);
                            } else {
                                // no action.
                            }
                
                            // 
                            if(document.getElementById("adtasukaruPopup01Partition01") !== null) {
                                if(document.getElementById("adtasukaruPopup01Partition02") !== null) { // partitionTag01 exists & partitionTag02 exists
                                    // 
                                    let partition01OffsetTop = document.getElementById("adtasukaruPopup01Partition01").offsetTop - (clientHeight / 2);
                                    let partition02OffsetTop = document.getElementById("adtasukaruPopup01Partition02").offsetTop - (clientHeight / 2);
                    
                                    // 
                                    if(scrollTop <= partition01OffsetTop) { // section '1'
                                        // 
                                        if(section1FormatId !== undefined) {
                                            displayFormatNumber = '1';
                                        } else {
                                            // no action.
                                        }
                                    }else if(partition01OffsetTop < scrollTop && scrollTop <= partition02OffsetTop ) { // section '2'
                                        // 
                                        maxReachedSection = maxReachedSection < '2' ? '2' : maxReachedSection;

                                        // 
                                        if(section2FormatId !== undefined) {
                                            displayFormatNumber = '2';
                                        } else {
                                            // no action.
                                        }
                                    } else if(partition02OffsetTop < scrollTop) { // section '3'
                                        // 
                                        maxReachedSection = maxReachedSection < '3' ? '3' : maxReachedSection;

                                        // 
                                        if(section3FormatId !== undefined) {
                                            displayFormatNumber = '3';
                                        } else {
                                            // no action.
                                        }
                                    } else { // section 'unknown'
                                        // no action.
                                    }
                                }else { // partitionTag01 exists & partitionTag02 not exists
                                    // 
                                    let partition01OffsetTop = document.getElementById("adtasukaruPopup01Partition01").offsetTop - (clientHeight / 2);
                    
                                    // 
                                    if( partition01OffsetTop < scrollTop ) { // section '2'
                                        maxReachedSection = maxReachedSection < '2' ? '2' : maxReachedSection;
                                        if(section2FormatId !== undefined) {
                                            displayFormatNumber = '2';
                                        } else {
                                            // no action.
                                        }
                                    } else { // section '1'
                                        if(section1FormatId !== undefined) {
                                            displayFormatNumber = '1';
                                        } else {
                                            // no action.
                                        }
                                    }
                                }
                            }else {
                                if(document.getElementById("adtasukaruPopup01Partition02") !== null) { // partitionTag01 not exists & partitionTag02 exists
                                    // 
                                    let partition02OffsetTop = document.getElementById("adtasukaruPopup01Partition02").offsetTop - (clientHeight / 2);
                    
                                    // 
                                    if(partition02OffsetTop < scrollTop) { // section '3'
                                        maxReachedSection = maxReachedSection < '3' ? '3' : maxReachedSection;
                                        if(section3FormatId !== undefined) {
                                            displayFormatNumber = '3';
                                        } else {
                                            // no action.
                                        }
                                    } else { // section '1'
                                        if(section1FormatId !== undefined) {
                                            displayFormatNumber = '1';
                                        } else {
                                            // no action.
                                        }
                                    }
                                }else { // partitionTag01 not exists & partitionTag02 not exists
                                    // 
                                    if(section1FormatId !== undefined) { //1の領域
                                        displayFormatNumber = '1';
                                    } else {
                                        // no action.
                                    }
                                }
                            }
                        }, 200); // setTimeout
                    }); // window.addEventListener('scroll', ...

                    // 
                    let displayedCount = 0;

                    // 
                    history.pushState(null, null, null);

                    // 
                    let currentPageUrl = location.href;
                    
                    // 
                    window.onpopstate = function(event) {
                        let targetLocationHref = event.target.location.href;
                        let differenceBetweenCurrentAndLocationUrl = targetLocationHref.replace(currentPageUrl, '');
                        console.log('=== event ===');
                        console.log(event);
                        console.log('currentPageUrl: '+currentPageUrl);
                        console.log('event.target.location: '+targetLocationHref);
                        console.log('differenceBetweenCurrentAndLocationUrl: '+differenceBetweenCurrentAndLocationUrl);

                        // 
                        let isBrowserBackAction = true;
                        if(differenceBetweenCurrentAndLocationUrl === '') {
                            // ok.
                        }else {
                            isBrowserBackAction = false;
                        }
                        
                        // 
                        if(isBrowserBackAction === true) {
                            if(event.state === null) {
                                // block going back to the original scroll position.
                                const scrollPosition = window.scrollY;
                                sessionStorage.setItem('scrollPosition', scrollPosition);
    
                                // 
                                if(displayType === '0') { // type 'memorize'
                                    // 
                                    switch (maxReachedSection) {
                                        case '1':
                                            displayFormatId = section1FormatId;
                                            break;
                                        case '2':
                                            displayFormatId = section2FormatId;
                                            break;
                                        case '3':
                                            displayFormatId = section3FormatId;
                                            break;
                                        default:
                                            // no action.
                                            break
                                    }
                                    displayFormatNumber = maxReachedSection;
                                } else {
                                    // no action.
                                }
    
                                // define displayFormatId
                                switch (displayFormatNumber) {
                                    case '1':
                                        displayFormatId = section1FormatId;
                                        break;
                                    case '2':
                                        displayFormatId = section2FormatId;
                                        break;
                                    case '3':
                                        displayFormatId = section3FormatId;
                                        break;
                                    default:
                                        // no action.
                                        break
                                }
    
                                // 残ポイントチェック＆表示回数+1
                                if(displayedCount === 0) {
                                    if(checkStockPointsApiExecuted === false) {
                                        checkStockPointsApiExecuted = true;
                                        let params = new URLSearchParams();
                                        params.append('encrypted_tools01_page_data', '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');
                                        params.append('section', displayFormatNumber);
                                        axios
                                            .post(`https://adtasukaru.com/l/api/tools01/format/check-stock-and-spend-points`, params)
                                            .then((response) => {
                                                console.log(response);
                                                if(response.data.status === 200) {
    
                                                    // show
                                                    $('#format-number-'+displayFormatNumber).show();
                
                                                    // 
                                                    displayedCount++;
                
                                                    // 
                                                    return;
                                                } else {
                                                    console.log('no stock points.');
                                                    window.history.back(-1);
                                                    return;
                                                }
                                            })
                                            .catch((error) => {
                                                console.log(error);
                                                window.history.back(-1);
                                                return;
                                            });
                                    }else {
                                        console.log('checkStockPointsApi already executed.');
                                        window.history.back(-1);
                                        return;
                                    }
                                }else {
                                    console.log('popup already displayed.');
                                    window.history.back(-1);
                                    return;
                                }
                            }else {
                                console.log('event.state');
                                window.history.back(-1);
                                return;
                            }
                        }else {
                            // no action.
                        }
                    }; // window.onpopstate = function(event)
                }) // window.onload
            })(); // end of IIFE.