// 
            
            // 
            const headm8XkJtZg3K = document.getElementsByTagName('head');

            // 
            if (window.jQuery) {
                // no action.
            } else {
                // 
                const forJqueryScriptTagm8XkJtZg3K = document.createElement('script');
                forJqueryScriptTagm8XkJtZg3K.src = 'https://ajax.googleapis.com/ajax/libs/jquery/3.7.0/jquery.min.js';
                headm8XkJtZg3K[0].appendChild(forJqueryScriptTagm8XkJtZg3K);
            }
            
            // 
            const forAxiosScriptTagm8XkJtZg3K = document.createElement('script');
            forAxiosScriptTagm8XkJtZg3K.src = 'https://cdn.jsdelivr.net/npm/axios@1.1.2/dist/axios.min.js';
            headm8XkJtZg3K[0].appendChild(forAxiosScriptTagm8XkJtZg3K);
            
            // 
            const forAnimateCssLinkTagm8XkJtZg3K = document.createElement('link');
            forAnimateCssLinkTagm8XkJtZg3K.href = 'https://adtasukaru.com/css2/animate.css';
            forAnimateCssLinkTagm8XkJtZg3K.rel = 'stylesheet';
            headm8XkJtZg3K[0].appendChild(forAnimateCssLinkTagm8XkJtZg3K);

            // 
            function executeActionsAfterTools01FormatClickedm8XkJtZg3K(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://r-eikaiwa.com/td.html?popup-r" target="_blank" rel="noopener" class="popup-anchor" onclick="executeActionsAfterTools01FormatClickedm8XkJtZg3K(548, \'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.