{"id":12464,"date":"2026-01-13T11:35:20","date_gmt":"2026-01-13T02:35:20","guid":{"rendered":"https:\/\/rakkoserver.com\/plus\/?p=12416"},"modified":"2026-01-13T11:35:20","modified_gmt":"2026-01-13T02:35:20","slug":"tool-image-to-svg-converter","status":"publish","type":"post","link":"https:\/\/rakkokeyword.com\/techo\/tool-image-to-svg-converter\/","title":{"rendered":"\u753b\u50cf\u2192SVG\u5909\u63db\u30c4\u30fc\u30eb"},"content":{"rendered":"\n<!--\u5185\u90e8\u30ea\u30f3\u30af\u30bf\u30d6\u7528HTML\uff0bCSS-->\n<div class=\"tmp_link_area_tab\">\n  <div class=\"tmp_tab_container\">\n    <a href=\"\/techo\/tool-image-to-url-converter\/\" class=\"tmp_tab_item tmp_tab_link\">\n      \u753b\u50cf \u21d2 URL\n    <\/a>\n    <a href=\"\/techo\/tool-image-to-pdf-converter\/\" class=\"tmp_tab_item tmp_tab_link\">\n      \u753b\u50cf \u21d2 PDF\n    <\/a>\n    <a href=\"https:\/\/rakkokeyword.com\/techo\/tool-image-pixel-art-converter\/\" class=\"tmp_tab_item tmp_tab_link\" target=\"_blank\" rel=\"noopener noreferrer\">\n      \u753b\u50cf \u21d2 \u30c9\u30c3\u30c8\u7d75\n    <\/a>\n    <span class=\"tmp_tab_item tmp_tab_active\">\u753b\u50cf \u21d2 SVG<\/span>\n  <\/div>\n<\/div>\n<style>\n.tmp_link_area_tab {\n  margin-bottom: 20px;\n  border-bottom: 1px solid #ccc;\n}\n.tmp_tab_container {\n  display: flex;\n  flex-wrap: wrap;\n  gap: 5px;\n}\n.tmp_tab_item {\n  padding: 8px 12px;\n  font-size: 14px;\n  text-decoration: none;\n  border: 1px solid #ccc;\n  border-bottom: none;\n  border-radius: 4px 4px 0 0;\n  background-color: #f9f9f9;\n  color: #666;\n  display: block;\n  cursor: pointer;\n}\n.tmp_tab_link:hover {\n  background-color: #eee;\n}\n.tmp_tab_active {\n  background-color: #fff;\n  color: #333;\n  font-weight: bold;\n  border-bottom: 1px solid #fff;\n  margin-bottom: -1px;\n  pointer-events: none;\n}\n<\/style>\n\n<div id=\"svgConvert-container\" style=\"width: 100%; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; color: #333;\">\n  <div id=\"svgConvert-input-section\">\n    <div style=\"background: #f8f9fa; padding: 12px 16px; border-radius: 4px; margin-bottom: 20px; display: flex; align-items: center; gap: 10px;\">\n      <svg width=\"20\" height=\"20\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#28a745\" stroke-width=\"2\" aria-hidden=\"true\">\n        <path d=\"M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z\" \/>\n        <path d=\"M9 12l2 2 4-4\" \/>\n      <\/svg>\n      <span style=\"font-size: 14px; color: #555;\">\u5b89\u5fc3\u8a2d\u8a08\uff1a\u753b\u50cf\u306f\u304a\u5ba2\u69d8\u306e\u7aef\u672b\u5185\u3067\u51e6\u7406\u3055\u308c\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u306f\u9001\u4fe1\u3055\u308c\u307e\u305b\u3093<\/span>\n    <\/div>\n\n    <div id=\"svgConvert-upload-area\" role=\"button\" tabindex=\"0\" aria-label=\"\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u3092\u9078\u629e\" style=\"border: 2px dashed #ccc; border-radius: 8px; padding: 40px 20px; text-align: center; background: #fafafa; cursor: pointer; transition: all 0.3s; margin-bottom: 20px; position: relative;\">\n      <div id=\"svgConvert-upload-initial\">\n        <svg width=\"48\" height=\"48\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#999\" stroke-width=\"2\" style=\"margin: 0 auto 12px;\" aria-hidden=\"true\">\n          <path d=\"M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4\" \/>\n          <polyline points=\"17 8 12 3 7 8\" \/>\n          <line x1=\"12\" y1=\"3\" x2=\"12\" y2=\"15\" \/>\n        <\/svg>\n        <p style=\"margin: 0 0 8px; font-size: 16px; font-weight: 600; color: #333;\">\u753b\u50cf\u3092\u30c9\u30e9\u30c3\u30b0&amp;\u30c9\u30ed\u30c3\u30d7<\/p>\n        <p style=\"margin: 0 0 12px; font-size: 14px; color: #666;\">\u307e\u305f\u306f\u30af\u30ea\u30c3\u30af\u3057\u3066\u9078\u629e<\/p>\n        <p style=\"margin: 0; font-size: 12px; color: #999;\">\u5bfe\u5fdc\u5f62\u5f0f: JPG, PNG, GIF, WEBP\uff08\u6700\u592710\u679a\u3001\u540410MB\u4ee5\u4e0b\uff09<\/p>\n      <\/div>\n      \n      <div id=\"svgConvert-upload-selected\" style=\"display: none;\">\n        <svg width=\"48\" height=\"48\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#28a745\" stroke-width=\"2\" style=\"margin: 0 auto 12px;\" aria-hidden=\"true\">\n          <path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\" \/>\n          <polyline points=\"22 4 12 14.01 9 11.01\" \/>\n        <\/svg>\n        <p style=\"margin: 0 0 8px; font-size: 18px; font-weight: 700; color: #28a745;\"><span id=\"svgConvert-file-count\">0<\/span>\u679a\u9078\u629e\u6e08<\/p>\n        <p style=\"margin: 0 0 12px; font-size: 14px; color: #666;\" id=\"svgConvert-file-names\"><\/p>\n        <p style=\"margin: 0; font-size: 13px; color: #999;\">\u30af\u30ea\u30c3\u30af\u3067\u3055\u3089\u306b\u8ffd\u52a0\uff08\u6700\u592710\u679a\uff09<\/p>\n      <\/div>\n      \n      <input type=\"file\" id=\"svgConvert-file-input\" accept=\"image\/jpeg,image\/png,image\/gif,image\/webp\" multiple style=\"display: none;\" aria-label=\"\u30d5\u30a1\u30a4\u30eb\u9078\u629e\">\n    <\/div>\n\n    <div style=\"margin-bottom: 20px;\">\n      <p style=\"margin: 0 0 12px; font-size: 14px; font-weight: 600; color: #333;\">\u5909\u63db\u30e2\u30fc\u30c9\u9078\u629e<\/p>\n      <div role=\"tablist\" style=\"display: flex; gap: 8px; flex-wrap: wrap;\">\n        <button role=\"tab\" aria-selected=\"true\" aria-controls=\"svgConvert-mode-preset\" class=\"svgConvert-mode-tab active\" data-mode=\"preset\" style=\"padding: 10px 16px; border: 1px solid #ddd; background: #13284B; color: white; border-radius: 4px; cursor: pointer; font-size: 14px; flex: 1; min-width: 120px;\">\u7528\u9014\u5225\u30d7\u30ea\u30bb\u30c3\u30c8<\/button>\n        <button role=\"tab\" aria-selected=\"false\" aria-controls=\"svgConvert-mode-custom\" class=\"svgConvert-mode-tab\" data-mode=\"custom\" style=\"padding: 10px 16px; border: 1px solid #ddd; background: white; color: #333; border-radius: 4px; cursor: pointer; font-size: 14px; flex: 1; min-width: 120px;\">\u8a73\u7d30\u8a2d\u5b9a<\/button>\n      <\/div>\n    <\/div>\n\n    <div id=\"svgConvert-mode-preset\" role=\"tabpanel\" class=\"svgConvert-mode-content\" style=\"margin-bottom: 20px;\">\n      <div style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px;\">\n        <button class=\"svgConvert-preset-btn active\" data-preset=\"standard\" style=\"padding: 16px; border: 2px solid #13284B; background: #f0f8ff; border-radius: 6px; cursor: pointer; text-align: left; transition: all 0.3s;\">\n          <p style=\"margin: 0 0 4px; font-size: 14px; font-weight: 600; color: #13284B;\">\u6a19\u6e96<\/p>\n          <p style=\"margin: 0; font-size: 12px; color: #666;\">16\u8272 \/ \u30d0\u30e9\u30f3\u30b9\u91cd\u8996<\/p>\n        <\/button>\n        <button class=\"svgConvert-preset-btn\" data-preset=\"simple\" style=\"padding: 16px; border: 2px solid #ddd; background: white; border-radius: 6px; cursor: pointer; text-align: left; transition: all 0.3s;\">\n          <p style=\"margin: 0 0 4px; font-size: 14px; font-weight: 600; color: #333;\">\u30b7\u30f3\u30d7\u30eb<\/p>\n          <p style=\"margin: 0; font-size: 12px; color: #666;\">8\u8272 \/ \u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u5c0f<\/p>\n        <\/button>\n        <button class=\"svgConvert-preset-btn\" data-preset=\"detailed\" style=\"padding: 16px; border: 2px solid #ddd; background: white; border-radius: 6px; cursor: pointer; text-align: left; transition: all 0.3s;\">\n          <p style=\"margin: 0 0 4px; font-size: 14px; font-weight: 600; color: #333;\">\u9ad8\u8a73\u7d30<\/p>\n          <p style=\"margin: 0; font-size: 12px; color: #666;\">32\u8272 \/ \u9ad8\u54c1\u8cea<\/p>\n        <\/button>\n      <\/div>\n    <\/div>\n\n    <div id=\"svgConvert-mode-custom\" role=\"tabpanel\" class=\"svgConvert-mode-content\" style=\"display: none; margin-bottom: 20px;\">\n      <div style=\"background: #f8f9fa; padding: 16px; border-radius: 6px;\">\n        <div style=\"margin-bottom: 16px;\">\n          <label for=\"svgConvert-colors\" style=\"display: block; margin-bottom: 8px; font-size: 14px; font-weight: 600; color: #333;\">\u8272\u6570: <span id=\"svgConvert-colors-value\">16<\/span>\u8272<\/label>\n          <input type=\"range\" id=\"svgConvert-colors\" min=\"2\" max=\"64\" value=\"16\" step=\"2\" aria-label=\"\u8272\u6570\u8a2d\u5b9a\" style=\"width: 100%; height: 6px; border-radius: 3px; background: #ddd; outline: none; -webkit-appearance: none;\">\n          <p style=\"margin: 8px 0 0; font-size: 12px; color: #666;\">\u203b\u8272\u6570\u304c\u591a\u3044\u307b\u3069\u8a73\u7d30\u3067\u3059\u304c\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304c\u5927\u304d\u304f\u306a\u308a\u307e\u3059<\/p>\n        <\/div>\n      <\/div>\n    <\/div>\n\n    <button id=\"svgConvert-process-btn\" disabled aria-label=\"SVG\u5909\u63db\u3092\u958b\u59cb\" style=\"width: 100%; padding: 16px; background: #ccc; color: white; border: none; border-radius: 6px; font-size: 16px; font-weight: 600; cursor: not-allowed; margin-bottom: 20px; height: 48px;\">\n      \u753b\u50cf\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\n    <\/button>\n\n    <div id=\"svgConvert-progress\" role=\"progressbar\" aria-valuemin=\"0\" aria-valuemax=\"100\" aria-valuenow=\"0\" style=\"display: none; margin-bottom: 20px;\">\n      <div style=\"background: #f0f0f0; border-radius: 10px; overflow: hidden; height: 20px; position: relative;\">\n        <div id=\"svgConvert-progress-bar\" style=\"background: #13284B; height: 100%; width: 0%; transition: width 0.3s;\"><\/div>\n        <span id=\"svgConvert-progress-text\" style=\"position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); font-size: 12px; color: #333; font-weight: 600;\"><\/span>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <div id=\"svgConvert-summary\" role=\"status\" aria-live=\"polite\" style=\"display: none; background: #e7f5e7; padding: 20px; border-radius: 8px; margin-bottom: 20px; text-align: center;\">\n    <p style=\"margin: 0 0 8px; font-size: 24px; font-weight: 700; color: #28a745;\" id=\"svgConvert-summary-text\"><\/p>\n    <p style=\"margin: 0; font-size: 14px; color: #666;\">SVG\u5909\u63db\u304c\u5b8c\u4e86\u3057\u307e\u3057\u305f<\/p>\n  <\/div>\n\n  <div id=\"svgConvert-actions\" style=\"display: none; margin-bottom: 20px; gap: 12px; flex-wrap: wrap;\">\n    <button id=\"svgConvert-download-all\" aria-label=\"\u5168\u3066\u306eSVG\u3092ZIP\u3067\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\" style=\"flex: 1; min-width: 200px; padding: 14px; background: #13284B; color: white; border: none; border-radius: 6px; font-size: 14px; font-weight: 600; cursor: pointer; height: 48px;\">\n      \u4e00\u62ec\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\uff08ZIP\uff09\n    <\/button>\n    <button id=\"svgConvert-reprocess\" aria-label=\"\u8a2d\u5b9a\u3092\u5909\u66f4\u3057\u3066\u518d\u51e6\u7406\" style=\"flex: 1; min-width: 180px; padding: 14px; background: white; color: #13284B; border: 2px solid #13284B; border-radius: 6px; font-size: 14px; font-weight: 600; cursor: pointer; height: 48px;\">\n      \u8a2d\u5b9a\u3092\u5909\u3048\u3066\u518d\u51e6\u7406\n    <\/button>\n  <\/div>\n\n  <div id=\"svgConvert-results\" role=\"region\" aria-label=\"\u51e6\u7406\u7d50\u679c\" style=\"display: none;\"><\/div>\n<\/div>\n\n<style>\n#svgConvert-upload-area:hover {\n  border-color: #13284B;\n  background: #f0f8ff;\n}\n\n#svgConvert-upload-area.has-files {\n  border-color: #28a745;\n  background: #f0fdf4;\n}\n\n#svgConvert-upload-area.disabled {\n  opacity: 0.6;\n  cursor: not-allowed !important;\n}\n\n.svgConvert-mode-tab.active {\n  background: #13284B !important;\n  color: white !important;\n  border-color: #13284B !important;\n}\n\n.svgConvert-preset-btn.active {\n  border-color: #13284B !important;\n  background: #f0f8ff !important;\n}\n\n.svgConvert-preset-btn:hover {\n  border-color: #999 !important;\n}\n\n#svgConvert-colors::-webkit-slider-thumb {\n  -webkit-appearance: none;\n  appearance: none;\n  width: 20px;\n  height: 20px;\n  border-radius: 50%;\n  background: #13284B;\n  cursor: pointer;\n}\n\n#svgConvert-colors::-moz-range-thumb {\n  width: 20px;\n  height: 20px;\n  border-radius: 50%;\n  background: #13284B;\n  cursor: pointer;\n  border: none;\n}\n\n.svgConvert-result-item {\n  background: white;\n  border: 1px solid #e0e0e0;\n  border-radius: 6px;\n  padding: 16px;\n  margin-bottom: 12px;\n  display: flex;\n  gap: 16px;\n  align-items: center;\n  flex-wrap: wrap;\n}\n\n.svgConvert-thumbnail {\n  width: 80px;\n  height: 80px;\n  object-fit: contain;\n  border-radius: 4px;\n  border: 1px solid #e0e0e0;\n  flex-shrink: 0;\n  background: #f9f9f9;\n}\n\n.svgConvert-file-info {\n  flex: 1;\n  min-width: 200px;\n}\n\n.svgConvert-file-actions {\n  display: flex;\n  gap: 8px;\n  flex-wrap: wrap;\n}\n\n@media (max-width: 768px) {\n  .svgConvert-result-item {\n    flex-direction: column;\n    align-items: flex-start;\n  }\n  \n  .svgConvert-file-actions {\n    width: 100%;\n  }\n  \n  .svgConvert-file-actions button {\n    flex: 1;\n  }\n}\n<\/style>\n\n<script src=\"https:\/\/media-api.qcdgv19414.rakkoserver.net\/lib\/imagetracer.js\"><\/script>\n<script src=\"https:\/\/media-api.qcdgv19414.rakkoserver.net\/lib\/jszip.min.js\"><\/script>\n<script>\ndocument.addEventListener('DOMContentLoaded', function() {\n  const svgConvertState = {\n    files: [],\n    processedFiles: [],\n    objectUrls: [],\n    currentMode: 'preset',\n    currentPreset: 'standard',\n    isProcessing: false\n  };\n\n  const svgConvertElements = {\n    inputSection: document.getElementById('svgConvert-input-section'),\n    uploadArea: document.getElementById('svgConvert-upload-area'),\n    uploadInitial: document.getElementById('svgConvert-upload-initial'),\n    uploadSelected: document.getElementById('svgConvert-upload-selected'),\n    fileCount: document.getElementById('svgConvert-file-count'),\n    fileNames: document.getElementById('svgConvert-file-names'),\n    fileInput: document.getElementById('svgConvert-file-input'),\n    processBtn: document.getElementById('svgConvert-process-btn'),\n    progress: document.getElementById('svgConvert-progress'),\n    progressBar: document.getElementById('svgConvert-progress-bar'),\n    progressText: document.getElementById('svgConvert-progress-text'),\n    summary: document.getElementById('svgConvert-summary'),\n    summaryText: document.getElementById('svgConvert-summary-text'),\n    results: document.getElementById('svgConvert-results'),\n    actions: document.getElementById('svgConvert-actions'),\n    downloadAll: document.getElementById('svgConvert-download-all'),\n    reprocess: document.getElementById('svgConvert-reprocess')\n  };\n\n  function svgConvertCleanupUrls() {\n    svgConvertState.objectUrls.forEach(function(url) {\n      try {\n        URL.revokeObjectURL(url);\n      } catch (e) {\n        \/\/ \u30a8\u30e9\u30fc\u3092\u7121\u8996\n      }\n    });\n    svgConvertState.objectUrls = [];\n  }\n\n  window.addEventListener('beforeunload', function() {\n    svgConvertCleanupUrls();\n  });\n\n  function svgConvertUpdateUploadArea() {\n    if (svgConvertState.files.length > 0) {\n      svgConvertElements.uploadInitial.style.display = 'none';\n      svgConvertElements.uploadSelected.style.display = 'block';\n      svgConvertElements.uploadArea.classList.add('has-files');\n      svgConvertElements.fileCount.textContent = svgConvertState.files.length;\n      \n      const displayNames = svgConvertState.files.slice(0, 3).map(function(f) {\n        return f.name;\n      });\n      let namesText = displayNames.join(', ');\n      if (svgConvertState.files.length > 3) {\n        namesText += ' \u4ed6' + (svgConvertState.files.length - 3) + '\u4ef6';\n      }\n      svgConvertElements.fileNames.textContent = namesText;\n    } else {\n      svgConvertElements.uploadInitial.style.display = 'block';\n      svgConvertElements.uploadSelected.style.display = 'none';\n      svgConvertElements.uploadArea.classList.remove('has-files');\n    }\n  }\n\n  document.querySelectorAll('.svgConvert-mode-tab').forEach(function(tab) {\n    tab.addEventListener('click', function() {\n      if (svgConvertState.isProcessing) return;\n      \n      const mode = this.dataset.mode;\n      svgConvertState.currentMode = mode;\n      \n      document.querySelectorAll('.svgConvert-mode-tab').forEach(function(t) {\n        t.classList.remove('active');\n        t.style.background = 'white';\n        t.style.color = '#333';\n        t.setAttribute('aria-selected', 'false');\n      });\n      this.classList.add('active');\n      this.setAttribute('aria-selected', 'true');\n      \n      document.querySelectorAll('.svgConvert-mode-content').forEach(function(content) {\n        content.style.display = 'none';\n      });\n      document.getElementById('svgConvert-mode-' + mode).style.display = 'block';\n    });\n  });\n\n  document.querySelectorAll('.svgConvert-preset-btn').forEach(function(btn) {\n    btn.addEventListener('click', function() {\n      if (svgConvertState.isProcessing) return;\n      \n      svgConvertState.currentPreset = this.dataset.preset;\n      document.querySelectorAll('.svgConvert-preset-btn').forEach(function(b) {\n        b.classList.remove('active');\n        b.style.borderColor = '#ddd';\n        b.style.background = 'white';\n      });\n      this.classList.add('active');\n    });\n  });\n\n  const colorsSlider = document.getElementById('svgConvert-colors');\n  const colorsValue = document.getElementById('svgConvert-colors-value');\n  if (colorsSlider) {\n    colorsSlider.addEventListener('input', function() {\n      colorsValue.textContent = this.value;\n    });\n  }\n\n  svgConvertElements.uploadArea.addEventListener('click', function() {\n    if (svgConvertState.isProcessing) return;\n    svgConvertElements.fileInput.click();\n  });\n\n  svgConvertElements.uploadArea.addEventListener('keydown', function(e) {\n    if (svgConvertState.isProcessing) return;\n    if (e.key === 'Enter' || e.key === ' ') {\n      e.preventDefault();\n      svgConvertElements.fileInput.click();\n    }\n  });\n\n  svgConvertElements.uploadArea.addEventListener('dragover', function(e) {\n    if (svgConvertState.isProcessing) return;\n    e.preventDefault();\n    this.style.borderColor = '#13284B';\n    if (!this.classList.contains('has-files')) {\n      this.style.background = '#e7f0ff';\n    }\n  });\n\n  svgConvertElements.uploadArea.addEventListener('dragleave', function(e) {\n    e.preventDefault();\n    this.style.borderColor = svgConvertState.files.length > 0 ? '#28a745' : '#ccc';\n    if (!this.classList.contains('has-files')) {\n      this.style.background = '#fafafa';\n    } else {\n      this.style.background = '#f0fdf4';\n    }\n  });\n\n  svgConvertElements.uploadArea.addEventListener('drop', function(e) {\n    if (svgConvertState.isProcessing) return;\n    e.preventDefault();\n    this.style.borderColor = '#28a745';\n    this.style.background = '#f0fdf4';\n    \n    const files = Array.from(e.dataTransfer.files);\n    svgConvertHandleFiles(files);\n  });\n\n  svgConvertElements.fileInput.addEventListener('change', function() {\n    const files = Array.from(this.files);\n    svgConvertHandleFiles(files);\n  });\n\n  function svgConvertHandleFiles(files) {\n    const validTypes = ['image\/jpeg', 'image\/png', 'image\/gif', 'image\/webp'];\n    const maxSize = 10 * 1024 * 1024;\n    const maxDimension = 4096;\n    \n    const validFiles = [];\n    const errors = [];\n    \n    files.forEach(function(file) {\n      if (!validTypes.includes(file.type)) {\n        errors.push(file.name + ': \u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u5f62\u5f0f\u3067\u3059');\n        return;\n      }\n      if (file.size > maxSize) {\n        errors.push(file.name + ': \u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304c10MB\u3092\u8d85\u3048\u3066\u3044\u307e\u3059');\n        return;\n      }\n      if (file.size === 0) {\n        errors.push(file.name + ': \u30d5\u30a1\u30a4\u30eb\u304c\u7a7a\u3067\u3059');\n        return;\n      }\n      validFiles.push(file);\n    });\n\n    if (errors.length > 0) {\n      alert('\u4ee5\u4e0b\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u51e6\u7406\u3067\u304d\u307e\u305b\u3093:\\n\\n' + errors.join('\\n') + '\\n\\n\u5bfe\u5fdc\u5f62\u5f0f: JPG, PNG, GIF, WEBP\uff08\u540410MB\u4ee5\u4e0b\uff09');\n    }\n\n    if (validFiles.length === 0) return;\n\n    const existingFileMap = new Map();\n    svgConvertState.files.forEach(function(file) {\n      existingFileMap.set(file.name, file);\n    });\n\n    validFiles.forEach(function(file) {\n      existingFileMap.set(file.name, file);\n    });\n\n    let allFiles = Array.from(existingFileMap.values());\n\n    if (allFiles.length > 10) {\n      alert('\u753b\u50cf\u306f\u6700\u592710\u679a\u307e\u3067\u3067\u3059\u3002\u5148\u982d10\u679a\u306e\u307f\u51e6\u7406\u3057\u307e\u3059\u3002');\n      allFiles = allFiles.slice(0, 10);\n    }\n\n    svgConvertValidateImageDimensions(allFiles).then(function(validated) {\n      svgConvertState.files = validated.validFiles;\n      \n      if (validated.errors.length > 0) {\n        alert('\u4ee5\u4e0b\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u51e6\u7406\u3067\u304d\u307e\u305b\u3093:\\n\\n' + validated.errors.join('\\n'));\n      }\n      \n      if (svgConvertState.files.length === 0) return;\n      \n      svgConvertUpdateUploadArea();\n      \n      svgConvertElements.processBtn.disabled = false;\n      svgConvertElements.processBtn.style.background = '#13284B';\n      svgConvertElements.processBtn.style.cursor = 'pointer';\n      svgConvertElements.processBtn.textContent = svgConvertState.files.length + '\u679a\u306e\u753b\u50cf\u3092SVG\u306b\u5909\u63db\u3059\u308b';\n      \n      svgConvertElements.summary.style.display = 'none';\n      svgConvertElements.results.style.display = 'none';\n      svgConvertElements.actions.style.display = 'none';\n      \n      svgConvertElements.fileInput.value = '';\n    });\n  }\n\n  function svgConvertValidateImageDimensions(files) {\n    const maxDimension = 4096;\n    return new Promise(function(resolve) {\n      const validFiles = [];\n      const errors = [];\n      let processed = 0;\n      \n      if (files.length === 0) {\n        resolve({ validFiles: validFiles, errors: errors });\n        return;\n      }\n      \n      files.forEach(function(file) {\n        const reader = new FileReader();\n        reader.onload = function(e) {\n          const img = new Image();\n          img.onload = function() {\n            if (this.width > maxDimension || this.height > maxDimension) {\n              errors.push(file.name + ': \u753b\u50cf\u30b5\u30a4\u30ba\u304c\u5927\u304d\u3059\u304e\u307e\u3059\uff08\u6700\u5927' + maxDimension + 'px\uff09');\n            } else {\n              validFiles.push(file);\n            }\n            processed++;\n            if (processed === files.length) {\n              resolve({ validFiles: validFiles, errors: errors });\n            }\n          };\n          img.onerror = function() {\n            errors.push(file.name + ': \u753b\u50cf\u3092\u8aad\u307f\u8fbc\u3081\u307e\u305b\u3093');\n            processed++;\n            if (processed === files.length) {\n              resolve({ validFiles: validFiles, errors: errors });\n            }\n          };\n          img.src = e.target.result;\n        };\n        reader.onerror = function() {\n          errors.push(file.name + ': \u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3081\u307e\u305b\u3093');\n          processed++;\n          if (processed === files.length) {\n            resolve({ validFiles: validFiles, errors: errors });\n          }\n        };\n        reader.readAsDataURL(file);\n      });\n    });\n  }\n\n  svgConvertElements.processBtn.addEventListener('click', function() {\n    if (svgConvertState.files.length === 0 || svgConvertState.isProcessing) return;\n    svgConvertProcessImages();\n  });\n\n  async function svgConvertProcessImages() {\n    if (typeof ImageTracer === 'undefined') {\n      alert('SVG\u5909\u63db\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u8aad\u307f\u8fbc\u307f\u306b\u5931\u6557\u3057\u307e\u3057\u305f\u3002\u30da\u30fc\u30b8\u3092\u518d\u8aad\u307f\u8fbc\u307f\u3057\u3066\u304f\u3060\u3055\u3044\u3002');\n      return;\n    }\n\n    svgConvertState.isProcessing = true;\n    svgConvertElements.uploadArea.classList.add('disabled');\n    svgConvertCleanupUrls();\n    svgConvertElements.processBtn.disabled = true;\n    svgConvertElements.processBtn.style.background = '#ccc';\n    svgConvertElements.processBtn.style.cursor = 'not-allowed';\n    svgConvertElements.progress.style.display = 'block';\n    svgConvertElements.summary.style.display = 'none';\n    svgConvertElements.results.style.display = 'none';\n    svgConvertElements.actions.style.display = 'none';\n    \n    svgConvertState.processedFiles = [];\n\n    for (let i = 0; i < svgConvertState.files.length; i++) {\n      const file = svgConvertState.files[i];\n      const progress = Math.round(((i + 1) \/ svgConvertState.files.length) * 100);\n      svgConvertElements.progressBar.style.width = progress + '%';\n      svgConvertElements.progressText.textContent = '\u51e6\u7406\u4e2d ' + (i + 1) + '\/' + svgConvertState.files.length;\n      svgConvertElements.progress.setAttribute('aria-valuenow', progress);\n\n      try {\n        const result = await svgConvertProcessSingleImage(file);\n        svgConvertState.processedFiles.push(result);\n        if (!result.error) {\n          svgConvertState.objectUrls.push(result.beforeUrl);\n          svgConvertState.objectUrls.push(result.afterUrl);\n        }\n      } catch (error) {\n        svgConvertState.processedFiles.push({\n          name: file.name,\n          error: true,\n          errorMessage: '\u51e6\u7406\u306b\u5931\u6557\u3057\u307e\u3057\u305f'\n        });\n      }\n    }\n\n    svgConvertState.isProcessing = false;\n    svgConvertElements.uploadArea.classList.remove('disabled');\n\n    setTimeout(function() {\n      svgConvertElements.progress.style.display = 'none';\n      svgConvertShowResults();\n    }, 300);\n  }\n\n  function svgConvertProcessSingleImage(file) {\n    return new Promise(function(resolve) {\n      const timeout = setTimeout(function() {\n        resolve({\n          name: file.name,\n          error: true,\n          errorMessage: '\u51e6\u7406\u304c\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3057\u307e\u3057\u305f\uff0860\u79d2\uff09'\n        });\n      }, 60000);\n\n      const reader = new FileReader();\n      reader.onload = function(e) {\n        try {\n          const options = svgConvertGetOptions();\n          const beforeUrl = e.target.result;\n          \n          ImageTracer.imageToSVG(\n            beforeUrl,\n            function(svgstr) {\n              clearTimeout(timeout);\n              \n              if (!svgstr || svgstr.length === 0) {\n                resolve({\n                  name: file.name,\n                  error: true,\n                  errorMessage: 'SVG\u5909\u63db\u306b\u5931\u6557\u3057\u307e\u3057\u305f'\n                });\n                return;\n              }\n\n              const blob = new Blob([svgstr], { type: 'image\/svg+xml' });\n              const url = URL.createObjectURL(blob);\n              \n              resolve({\n                name: file.name,\n                beforeSize: file.size,\n                afterSize: blob.size,\n                beforeUrl: beforeUrl,\n                afterUrl: url,\n                blob: blob,\n                error: false\n              });\n            },\n            options\n          );\n        } catch (error) {\n          clearTimeout(timeout);\n          resolve({\n            name: file.name,\n            error: true,\n            errorMessage: '\u51e6\u7406\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3057\u305f'\n          });\n        }\n      };\n      reader.onerror = function() {\n        clearTimeout(timeout);\n        resolve({\n          name: file.name,\n          error: true,\n          errorMessage: '\u30d5\u30a1\u30a4\u30eb\u306e\u8aad\u307f\u8fbc\u307f\u306b\u5931\u6557\u3057\u307e\u3057\u305f'\n        });\n      };\n      reader.readAsDataURL(file);\n    });\n  }\n\n  function svgConvertGetOptions() {\n    const mode = svgConvertState.currentMode;\n    \n    if (mode === 'preset') {\n      const presets = {\n        standard: { numberofcolors: 16 },\n        simple: { numberofcolors: 8 },\n        detailed: { numberofcolors: 32 }\n      };\n      return presets[svgConvertState.currentPreset] || presets.standard;\n    } else {\n      const colors = Math.max(2, Math.min(64, parseInt(document.getElementById('svgConvert-colors').value) || 16));\n      return { numberofcolors: colors };\n    }\n  }\n\n  function svgConvertShowResults() {\n    svgConvertElements.inputSection.style.display = 'none';\n    \n    const successCount = svgConvertState.processedFiles.filter(function(f) {\n      return !f.error;\n    }).length;\n    \n    svgConvertElements.summaryText.textContent = successCount + '\u679a\u306e\u753b\u50cf\u3092SVG\u306b\u5909\u63db\u3057\u307e\u3057\u305f';\n    svgConvertElements.summary.style.display = 'block';\n    svgConvertElements.actions.style.display = 'flex';\n    \n    let resultsHtml = '<p style=\"margin: 0 0 12px; font-size: 16px; font-weight: 600; color: #333;\">\u51e6\u7406\u7d50\u679c<\/p>';\n    \n    svgConvertState.processedFiles.forEach(function(file, index) {\n      if (file.error) {\n        resultsHtml += '<div class=\"svgConvert-result-item\"><div class=\"svgConvert-file-info\" style=\"flex: 1;\"><p style=\"margin: 0 0 4px; font-size: 14px; font-weight: 600; color: #333;\">' + svgConvertEscapeHtml(file.name) + '<\/p><p style=\"margin: 0; font-size: 13px; color: #dc3545;\">\u30a8\u30e9\u30fc: ' + svgConvertEscapeHtml(file.errorMessage) + '<\/p><\/div><\/div>';\n      } else {\n        resultsHtml += '<div class=\"svgConvert-result-item\"><img decoding=\"async\" src=\"' + svgConvertEscapeHtml(file.afterUrl) + '\" class=\"svgConvert-thumbnail\" alt=\"\u5909\u63db\u5f8c\u306eSVG\"><div class=\"svgConvert-file-info\"><p style=\"margin: 0 0 4px; font-size: 14px; font-weight: 600; color: #333;\">' + svgConvertEscapeHtml(file.name) + '<\/p><p style=\"margin: 0 0 2px; font-size: 13px; color: #666;\">\u5143\u306e\u30b5\u30a4\u30ba: ' + svgConvertFormatSize(file.beforeSize) + '<\/p><p style=\"margin: 0; font-size: 13px; color: #666;\">SVG\u30b5\u30a4\u30ba: ' + svgConvertFormatSize(file.afterSize) + '<\/p><\/div><div class=\"svgConvert-file-actions\"><button onclick=\"svgConvertDownloadFile(' + index + ')\" style=\"padding: 8px 16px; background: #13284B; color: white; border: none; border-radius: 4px; font-size: 13px; cursor: pointer; white-space: nowrap;\">\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/button><\/div><\/div>';\n      }\n    });\n    \n    svgConvertElements.results.innerHTML = resultsHtml;\n    svgConvertElements.results.style.display = 'block';\n  }\n\n  window.svgConvertDownloadFile = function(index) {\n    const file = svgConvertState.processedFiles[index];\n    if (file.error) return;\n    \n    const link = document.createElement('a');\n    link.href = file.afterUrl;\n    link.download = svgConvertGetDownloadFilename(file.name);\n    link.click();\n  };\n\n  svgConvertElements.downloadAll.addEventListener('click', async function() {\n    const validFiles = svgConvertState.processedFiles.filter(function(f) {\n      return !f.error;\n    });\n    if (validFiles.length === 0) return;\n    \n    this.disabled = true;\n    this.textContent = 'ZIP\u30d5\u30a1\u30a4\u30eb\u4f5c\u6210\u4e2d...';\n    \n    try {\n      const zip = new JSZip();\n      \n      validFiles.forEach(function(file) {\n        const filename = svgConvertGetDownloadFilename(file.name);\n        zip.file(filename, file.blob);\n      });\n      \n      const blob = await zip.generateAsync({ type: 'blob' });\n      const url = URL.createObjectURL(blob);\n      const link = document.createElement('a');\n      link.href = url;\n      link.download = 'svg_files.zip';\n      link.click();\n      URL.revokeObjectURL(url);\n      \n      this.textContent = '\u4e00\u62ec\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\uff08ZIP\uff09';\n      this.disabled = false;\n    } catch (error) {\n      alert('ZIP\u30d5\u30a1\u30a4\u30eb\u306e\u4f5c\u6210\u306b\u5931\u6557\u3057\u307e\u3057\u305f');\n      this.textContent = '\u4e00\u62ec\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\uff08ZIP\uff09';\n      this.disabled = false;\n    }\n  });\n\n  svgConvertElements.reprocess.addEventListener('click', function() {\n    svgConvertElements.inputSection.style.display = 'block';\n    svgConvertElements.processBtn.disabled = false;\n    svgConvertElements.processBtn.style.background = '#13284B';\n    svgConvertElements.processBtn.style.cursor = 'pointer';\n    svgConvertElements.summary.style.display = 'none';\n    svgConvertElements.results.style.display = 'none';\n    svgConvertElements.actions.style.display = 'none';\n    window.scrollTo({ top: 0, behavior: 'smooth' });\n  });\n\n  function svgConvertFormatSize(bytes) {\n    if (bytes === 0) return '0 B';\n    const k = 1024;\n    const sizes = ['B', 'KB', 'MB', 'GB'];\n    const i = Math.floor(Math.log(bytes) \/ Math.log(k));\n    return Math.round((bytes \/ Math.pow(k, i)) * 100) \/ 100 + ' ' + sizes[i];\n  }\n\n  function svgConvertGetDownloadFilename(originalName) {\n    const nameWithoutExt = originalName.replace(\/\\.[^\/.]+$\/, '');\n    const sanitized = nameWithoutExt.replace(\/[^a-zA-Z0-9_\\-\\u3040-\\u309F\\u30A0-\\u30FF\\u4E00-\\u9FFF]\/g, '_').substring(0, 200);\n    return (sanitized || 'converted') + '.svg';\n  }\n\n  function svgConvertEscapeHtml(text) {\n    const div = document.createElement('div');\n    div.textContent = text;\n    return div.innerHTML;\n  }\n});\n<\/script>\n\n\n\n<p>\u3053\u306e\u30c4\u30fc\u30eb\u306f\u3001JPG\u3084PNG\u306a\u3069\u306e\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u3092\u3001\u62e1\u5927\u3057\u3066\u3082\u753b\u8cea\u304c\u52a3\u5316\u3057\u306a\u3044\u30d9\u30af\u30bf\u30fc\u5f62\u5f0f\uff08SVG\uff09\u3078\u3001\u30d6\u30e9\u30a6\u30b6\u4e0a\u3067\u77ac\u6642\u306b\u4e00\u62ec\u5909\u63db\u3067\u304d\u308b\u7121\u6599Web\u30c4\u30fc\u30eb\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-0\">\u3053\u306e\u30c4\u30fc\u30eb\u3067\u3067\u304d\u308b\u3053\u3068<\/h2>\n\n\n\n<p>\u3053\u306e\u30c4\u30fc\u30eb\u3067\u306f\u3001\u304a\u624b\u6301\u3061\u306e\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u3092\u30c9\u30e9\u30c3\u30b0\uff06\u30c9\u30ed\u30c3\u30d7\u3059\u308b\u3060\u3051\u3067\u3001\u7c21\u5358\u306bSVG\u30d5\u30a1\u30a4\u30eb\u3078\u5909\u63db\u3067\u304d\u307e\u3059\u3002\u4e3b\u306a\u6a5f\u80fd\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u591a\u69d8\u306a\u753b\u50cf\u5f62\u5f0f\u306b\u5bfe\u5fdc<\/strong> JPG\u3001PNG\u3001GIF\u3001WEBP\u5f62\u5f0f\u306e\u753b\u50cf\u3092SVG\u5f62\u5f0f\u306b\u5909\u63db\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u7528\u9014\u306b\u5408\u308f\u305b\u305f\u5909\u63db\u30e2\u30fc\u30c9<\/strong> \u300c\u6a19\u6e96\u300d\u300c\u30b7\u30f3\u30d7\u30eb\uff08\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u8efd\u91cf\u5316\uff09\u300d\u300c\u9ad8\u8a73\u7d30\uff08\u753b\u8cea\u512a\u5148\uff09\u300d\u306e3\u3064\u306e\u30d7\u30ea\u30bb\u30c3\u30c8\u304b\u3089\u9078\u3079\u308b\u307b\u304b\u3001\u8a73\u7d30\u8a2d\u5b9a\u3067\u8272\u6570\u3092\u6307\u5b9a\u3057\u3066\u5909\u63db\u7cbe\u5ea6\u3092\u5fae\u8abf\u6574\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/li>\n\n\n\n<li><strong>\u5b89\u5fc3\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a2d\u8a08<\/strong> 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id=\"i-1\">\u30c4\u30fc\u30eb\u306e\u4f7f\u3044\u65b9<\/h2>\n\n\n\n<p>\u8ab0\u3067\u3082\u8ff7\u308f\u305a\u64cd\u4f5c\u3067\u304d\u308b\u3088\u3046\u3001\u4ee5\u4e0b\u306e3\u30b9\u30c6\u30c3\u30d7\u3067\u5b8c\u4e86\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u753b\u50cf\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b<\/strong> \u70b9\u7dda\u3067\u56f2\u307e\u308c\u305f\u30a8\u30ea\u30a2\u306b\u753b\u50cf\u3092\u30c9\u30e9\u30c3\u30b0\uff06\u30c9\u30ed\u30c3\u30d7\u3059\u308b\u304b\u3001\u30af\u30ea\u30c3\u30af\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u3092\u9078\u629e\u3057\u307e\u3059\u3002\u4e00\u5ea6\u306b\u6700\u592710\u679a\u307e\u3067\u9078\u629e\u53ef\u80fd\u3067\u3059\u3002<\/li>\n\n\n\n<li><strong>\u5909\u63db\u30e2\u30fc\u30c9\u3092\u9078\u3076<\/strong> 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