{"id":9881,"date":"2026-06-23T15:46:40","date_gmt":"2026-06-23T06:46:40","guid":{"rendered":"https:\/\/fastcoding.jp\/blog\/?p=9881"},"modified":"2026-06-23T15:46:49","modified_gmt":"2026-06-23T06:46:49","slug":"review-trust-boost","status":"publish","type":"post","link":"https:\/\/fastcoding.jp\/blog\/all\/ui-ux\/review-trust-boost\/","title":{"rendered":"\u30ec\u30d3\u30e5\u30fc\u306e\u300c\u4fe1\u983c3\u70b9\u30bb\u30c3\u30c8\u300d\u304c\u63c3\u3063\u305f\u3068\u304d\u3060\u3051\u661f\u3092\u5149\u3089\u305b\u308b \u2500 \u793e\u4f1a\u7684\u8a3c\u660e\u306e\u30ef\u30f3\u30b7\u30e7\u30c3\u30c8\u6f14\u51fa"},"content":{"rendered":"<div class=\"the_content\">\n<p class=\"wp-block-paragraph\">\u3053\u3093\u306b\u3061\u306f\u3001\u682a\u5f0f\u4f1a\u793e\u30d5\u30a1\u30b9\u30c8\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306eBigVi\u3067\u3059\u3002\u6700\u8fd1\u3001\u592b\u3068\u30cd\u30c3\u30c8\u3067\u52a0\u6e7f\u5668\u3092\u8cb7\u3044\u307e\u3057\u305f\u3002\u30ec\u30d3\u30e5\u30fc\u304c200\u4ef6\u3042\u3063\u3066\u3001\u661f4.5\u3067\u3001\u5199\u771f\u4ed8\u304d\u306e\u30ec\u30d3\u30e5\u30fc\u3082\u3042\u308a\u307e\u3057\u305f\u3002\u300c\u3053\u308c\u306a\u3089\u5927\u4e08\u592b\u300d\u3068\u601d\u3063\u3066\u8cb7\u3044\u307e\u3057\u305f\u3002\u3002\u5c4a\u3044\u305f\u3089\u3001\u3061\u3083\u3093\u3068\u826f\u304b\u3063\u305f\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5148\u65e5\u3001\u304a\u5ba2\u3055\u307e\u304b\u3089\u300c\u5546\u54c1\u30da\u30fc\u30b8\u306b\u30ec\u30d3\u30e5\u30fc\u30bb\u30af\u30b7\u30e7\u30f3\u304c\u3042\u308b\u3051\u3069\u3001\u3042\u307e\u308a\u898b\u3089\u308c\u3066\u3044\u306a\u3044\u300d\u3068\u76f8\u8ac7\u3055\u308c\u307e\u3057\u305f\u3002\u30ec\u30d3\u30e5\u30fc\u306f50\u4ef6\u4ee5\u4e0a\u3042\u3063\u3066\u3001\u5e73\u57474.3\u70b9\u3002\u5185\u5bb9\u3082\u3044\u3044\u3067\u3059\u3002\u3067\u3082\u30b9\u30af\u30ed\u30fc\u30eb\u3067\u901a\u308a\u904e\u304e\u3066\u3057\u307e\u3046\u4eba\u304c\u591a\u3044\u307f\u305f\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u79c1\u3082\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u30ec\u30d3\u30e5\u30fc\u30bb\u30af\u30b7\u30e7\u30f3\u304c\u3042\u3063\u3066\u3082\u3001\u300c\u3042\u3001\u30ec\u30d3\u30e5\u30fc\u306d\u300d\u3063\u3066\u6d41\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u6b62\u307e\u3063\u3066\u8aad\u3080\u304d\u3063\u304b\u3051\u304c\u306a\u3044\u3067\u3059\u3002\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4eca\u56de\u306f\u300c\u30ec\u30d3\u30e5\u30fc\u306e\u661f\u8a55\u4fa1\u30fb\u4ef6\u6570\u30fb\u5b9f\u540d\u304c3\u3064\u540c\u6642\u306b\u898b\u3048\u305f\u3068\u304d\u3001\u661f\u30921\u56de\u3060\u3051\u5149\u3089\u305b\u308b\u300d\u3068\u3044\u3046\u6f14\u51fa\u3092\u5b9f\u88c5\u3057\u307e\u3057\u305f\u3002\u5c0f\u3055\u3044\u52d5\u304d\u3067\u3059\u304c\u3001\u96e2\u8131\u7387\u3068CTA\u30af\u30ea\u30c3\u30af\u7387\u306b\u52b9\u679c\u304c\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u306a\u305c\u300c3\u70b9\u30bb\u30c3\u30c8\u300d\u304c\u5927\u4e8b\u306a\u306e\u304b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ec\u30d3\u30e5\u30fc\u306e\u4fe1\u983c\u611f\u306f\u30011\u3064\u306e\u8981\u7d20\u3060\u3051\u3067\u306f\u5f31\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u661f\u8a55\u4fa1\u3060\u3051 \u2192 \u300c\u672c\u5f53\u304b\u306a\uff1f\u300d<\/li>\n\n\n\n<li>\u4ef6\u6570\u3060\u3051 \u2192 \u300c\u591a\u3044\u3051\u3069\u3001\u5185\u5bb9\u306f\uff1f\u300d<\/li>\n\n\n\n<li>\u5b9f\u540d\u3060\u3051 \u2192 \u300c\u3053\u306e\u4eba\u3060\u3051\u304b\u3082\u300d<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3067\u30823\u3064\u304c\u540c\u6642\u306b\u898b\u3048\u308b\u3068\u3001\u300c\u305f\u304f\u3055\u3093\u306e\u4eba\u304c\u3001\u540d\u524d\u3092\u51fa\u3057\u3066\u3001\u9ad8\u304f\u8a55\u4fa1\u3057\u3066\u3044\u308b\u300d\u3068\u308f\u304b\u308a\u307e\u3059\u3002\u3053\u308c\u304c\u300c\u793e\u4f1a\u7684\u8a3c\u660e\u300d\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e3\u3064\u304c\u753b\u9762\u306b\u63c3\u3063\u305f\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u3001\u661f\u3092\u3061\u3087\u3063\u3068\u3060\u3051\u5149\u3089\u305b\u307e\u3059\u3002\u300c\u3053\u3053\u3001\u898b\u3066\u304f\u3060\u3055\u3044\u300d\u3068\u3044\u3046\u5408\u56f3\u3067\u3059\u3002\u305f\u3060\u30571\u56de\u3060\u3051\u3002\u4f55\u5ea6\u3082\u5149\u3063\u305f\u3089\u3046\u308b\u3055\u3044\u3067\u3059\u3002\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9f\u88c5\u65b9\u6cd5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">HTML\u69cb\u9020<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;section class=\"review-section\" id=\"js-review-section\"&gt;\n  &lt;div class=\"review-header\"&gt;\n    &lt;div class=\"review-stars\" id=\"js-review-stars\"&gt;\n      &lt;span class=\"star\"&gt;\u2605&lt;\/span&gt;\n      &lt;span class=\"star\"&gt;\u2605&lt;\/span&gt;\n      &lt;span class=\"star\"&gt;\u2605&lt;\/span&gt;\n      &lt;span class=\"star\"&gt;\u2605&lt;\/span&gt;\n      &lt;span class=\"star half\"&gt;\u2605&lt;\/span&gt;\n      &lt;span class=\"review-score\"&gt;4.3&lt;\/span&gt;\n    &lt;\/div&gt;\n    &lt;p class=\"review-count\" id=\"js-review-count\"&gt;\n      &lt;span class=\"count-number\"&gt;58&lt;\/span&gt;\u4ef6\u306e\u30ec\u30d3\u30e5\u30fc\n    &lt;\/p&gt;\n  &lt;\/div&gt;\n  &lt;div class=\"review-list\"&gt;\n    &lt;div class=\"review-item\"&gt;\n      &lt;p class=\"reviewer-name\" id=\"js-reviewer-name\"&gt;\u7530\u4e2d \u592a\u90ce\u3055\u3093&lt;\/p&gt;\n      &lt;p class=\"review-text\"&gt;\u8cfc\u5165\u3057\u30663\u30f6\u6708\u3067\u3059\u304c\u3001\u3068\u3066\u3082\u6e80\u8db3\u3057\u3066\u3044\u307e\u3059\u3002\u30b5\u30dd\u30fc\u30c8\u306e\u5bfe\u5fdc\u3082\u4e01\u5be7\u3067\u3057\u305f\u3002&lt;\/p&gt;\n    &lt;\/div&gt;\n  &lt;\/div&gt;\n&lt;\/section&gt;<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">3\u3064\u306e\u8981\u7d20\u306b\u305d\u308c\u305e\u308cID\u3092\u4ed8\u3051\u3066\u3044\u307e\u3059\u3002<code>js-review-stars<\/code>\uff08\u661f\u8a55\u4fa1\uff09\u3001<code>js-review-count<\/code>\uff08\u4ef6\u6570\uff09\u3001<code>js-reviewer-name<\/code>\uff08\u5b9f\u540d\uff09\u3002\u3053\u306e3\u3064\u304c\u5168\u90e8\u753b\u9762\u306b\u5165\u3063\u305f\u304b\u3069\u3046\u304b\u3092\u5224\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">CSS\u30b9\u30bf\u30a4\u30eb<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>.review-section {\n  max-width: 640px;\n  margin: 40px auto;\n  padding: 32px;\n  background: #fafafa;\n  border-radius: 8px;\n}\n\n.review-header {\n  display: flex;\n  align-items: center;\n  gap: 16px;\n  margin-bottom: 24px;\n}\n\n.review-stars {\n  display: flex;\n  align-items: center;\n  gap: 2px;\n}\n\n.star {\n  color: #ddd;\n  font-size: 24px;\n  transition: color 0.3s, text-shadow 0.3s;\n}\n\n.review-stars.is-active .star {\n  color: #f5a623;\n}\n\n.review-stars.is-pulse .star {\n  text-shadow: 0 0 12px rgba(245, 166, 35, 0.6);\n}\n\n.star.half {\n  background: linear-gradient(90deg, #f5a623 50%, #ddd 50%);\n  -webkit-background-clip: text;\n  background-clip: text;\n  -webkit-text-fill-color: transparent;\n  color: transparent;\n}\n\n.review-score {\n  font-size: 20px;\n  font-weight: bold;\n  margin-left: 8px;\n  color: #333;\n}\n\n.review-count {\n  font-size: 14px;\n  color: #666;\n}\n\n.count-number {\n  font-weight: bold;\n  font-size: 18px;\n  color: #333;\n}\n\n.reviewer-name {\n  font-weight: bold;\n  font-size: 14px;\n  color: #333;\n  margin-bottom: 4px;\n}\n\n.review-text {\n  font-size: 14px;\n  color: #555;\n  line-height: 1.7;\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u30dd\u30a4\u30f3\u30c8\u306f<code>.is-pulse<\/code>\u30af\u30e9\u30b9\u3067\u3059\u3002\u3053\u306e\u30af\u30e9\u30b9\u304c\u4ed8\u304f\u3068\u3001\u661f\u306b<code>text-shadow<\/code>\u3067\u5149\u308b\u52b9\u679c\u304c\u51fa\u307e\u3059\u30020.6\u79d2\u3060\u3051\u4ed8\u3051\u3066\u3001\u3059\u3050\u6d88\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">JavaScript\u306e\u5b9f\u88c5<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>document.addEventListener('DOMContentLoaded', () => {\n  const stars = document.getElementById('js-review-stars');\n  const count = document.getElementById('js-review-count');\n  const name = document.getElementById('js-reviewer-name');\n\n  if (!stars || !count || !name) return;\n\n  let hasFired = false;\n  const visibleSet = new Set();\n\n  const observer = new IntersectionObserver((entries) => {\n    if (hasFired) return;\n\n    entries.forEach((entry) => {\n      if (entry.isIntersecting) {\n        visibleSet.add(entry.target.id);\n      } else {\n        visibleSet.delete(entry.target.id);\n      }\n    });\n\n    if (\n      visibleSet.has('js-review-stars') &&\n      visibleSet.has('js-review-count') &&\n      visibleSet.has('js-reviewer-name')\n    ) {\n      hasFired = true;\n      observer.disconnect();\n\n      stars.classList.add('is-active');\n\n      requestAnimationFrame(() => {\n        stars.classList.add('is-pulse');\n      });\n\n      setTimeout(() => {\n        stars.classList.remove('is-pulse');\n      }, 600);\n    }\n  }, {\n    threshold: 0.5\n  });\n\n  observer.observe(stars);\n  observer.observe(count);\n  observer.observe(name);\n});<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3084\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><code>IntersectionObserver<\/code>\u30673\u3064\u306e\u8981\u7d20\u3092\u76e3\u8996\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u5404\u8981\u7d20\u304c\u753b\u9762\u306e50%\u4ee5\u4e0a\u898b\u3048\u305f\u3089\u3001<code>visibleSet<\/code>\u306b\u8ffd\u52a0\u3057\u307e\u3059<\/li>\n\n\n\n<li>3\u3064\u5168\u90e8\u304c\u63c3\u3063\u305f\u3089\u3001\u661f\u306b\u8272\u3092\u4ed8\u3051\u3066\uff08<code>is-active<\/code>\uff09\u3001\u5149\u3089\u305b\u307e\u3059\uff08<code>is-pulse<\/code>\uff09<\/li>\n\n\n\n<li>0.6\u79d2\u5f8c\u306b\u5149\u3092\u6d88\u3057\u307e\u3059<\/li>\n\n\n\n<li><code>hasFired<\/code>\u30d5\u30e9\u30b0\u30671\u56de\u3060\u3051\u5b9f\u884c\u3057\u307e\u3059\u3002<code>observer.disconnect()<\/code>\u3067\u76e3\u8996\u3082\u6b62\u3081\u307e\u3059<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u66f8\u304d\u65b9\u3060\u3068\u30013\u3064\u306e\u8981\u7d20\u304c\u96e2\u308c\u305f\u4f4d\u7f6e\u306b\u3042\u3063\u3066\u3082\u5927\u4e08\u592b\u3067\u3059\u3002\u5168\u90e8\u304c\u753b\u9762\u5185\u306b\u5165\u3063\u305f\u77ac\u9593\u3060\u3051\u53cd\u5fdc\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6ce8\u610f\u3057\u305f\u3053\u3068<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u52d5\u304d\u306f1\u56de\u3060\u3051<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f55\u56de\u3082\u5149\u3063\u305f\u3089\u3001\u5e83\u544a\u3063\u307d\u304f\u306a\u308a\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u306f\u300c\u3046\u308b\u3055\u3044\u300d\u3068\u611f\u3058\u307e\u3059\u30021\u56de\u3060\u3051\u5149\u3063\u3066\u3001\u3042\u3068\u306f\u9759\u304b\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u661f\u306e\u8272\u306f\u6b8b\u3059<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5149\uff08<code>is-pulse<\/code>\uff09\u306f0.6\u79d2\u3067\u6d88\u3057\u307e\u3059\u304c\u3001\u8272\uff08<code>is-active<\/code>\uff09\u306f\u6b8b\u3057\u307e\u3059\u3002\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u30b9\u30af\u30ed\u30fc\u30eb\u3067\u901a\u308a\u904e\u304e\u3066\u3082\u3001\u623b\u3063\u3066\u304d\u305f\u3068\u304d\u306b\u661f\u304c\u9ec4\u8272\u306e\u307e\u307e\u306a\u306e\u3067\u300c\u3042\u3001\u8a55\u4fa1\u304c\u9ad8\u3044\u3093\u3060\u300d\u3068\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>IntersectionObserver<\/code>\u306f\u30b9\u30af\u30ed\u30fc\u30eb\u30a4\u30d9\u30f3\u30c8\u3088\u308a\u8efd\u3044\u3067\u3059\u3002\u767a\u706b\u3057\u305f\u3089<code>disconnect()<\/code>\u3059\u308b\u306e\u3067\u3001\u305a\u3063\u3068\u76e3\u8996\u3057\u7d9a\u3051\u308b\u3053\u3068\u3082\u306a\u3044\u3067\u3059\u3002\u30da\u30fc\u30b8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u306f\u307b\u307c\u5f71\u97ff\u304c\u306a\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u6f14\u51fa\u306f\u8996\u899a\u7684\u306a\u88dc\u52a9\u3067\u3059\u3002\u661f\u306e\u8272\u3068\u5149\u306fCSS\u3067\u5236\u5fa1\u3057\u3066\u3044\u3066\u3001<code>prefers-reduced-motion<\/code>\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u306b\u306f\u52d5\u304d\u304c\u81ea\u52d5\u7684\u306b\u7121\u52b9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>@media (prefers-reduced-motion: reduce) {\n  .star {\n    transition: none;\n  }\n  .review-stars.is-pulse .star {\n    text-shadow: none;\n  }\n}<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9f\u969b\u306e\u7d50\u679c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u304a\u5ba2\u3055\u307e\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u3001A\/B\u30c6\u30b9\u30c8\u30922\u9031\u9593\u3084\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u6307\u6a19<\/th><th>\u6f14\u51fa\u306a\u3057\uff08A\uff09<\/th><th>\u6f14\u51fa\u3042\u308a\uff08B\uff09<\/th><th>\u5dee\u5206<\/th><\/tr><\/thead><tbody><tr><td>\u30ec\u30d3\u30e5\u30fc\u30bb\u30af\u30b7\u30e7\u30f3\u5230\u9054\u7387<\/td><td>62.3%<\/td><td>64.1%<\/td><td>+1.8pt<\/td><\/tr><tr><td>\u30ec\u30d3\u30e5\u30fc\u30bb\u30af\u30b7\u30e7\u30f3\u96e2\u8131\u7387<\/td><td>38.5%<\/td><td>29.2%<\/td><td>-9.3pt<\/td><\/tr><tr><td>CTA\u30af\u30ea\u30c3\u30af\u7387<\/td><td>4.1%<\/td><td>5.3%<\/td><td>+1.2pt<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5230\u9054\u7387\u306f\u3042\u307e\u308a\u5909\u308f\u3089\u306a\u3044\u3067\u3059\u3002\u3067\u3082\u96e2\u8131\u7387\u304c\u3060\u3044\u3076\u4e0b\u304c\u308a\u307e\u3057\u305f\u3002\u30ec\u30d3\u30e5\u30fc\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u6b62\u307e\u3063\u3066\u8aad\u3080\u4eba\u304c\u5897\u3048\u305f\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002CTA\u30af\u30ea\u30c3\u30af\u7387\u3082\u4e0a\u304c\u308a\u307e\u3057\u305f\u3002\u30ec\u30d3\u30e5\u30fc\u3092\u8aad\u3093\u3067\u3001\u4fe1\u983c\u611f\u304c\u9ad8\u307e\u3063\u305f\u304b\u3089\u3060\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u304a\u5ba2\u3055\u307e\u3082\u300c\u3053\u3093\u306a\u5c0f\u3055\u3044\u5909\u5316\u3067\u3053\u3093\u306a\u306b\u5dee\u304c\u51fa\u308b\u306e\uff1f\u300d\u3068\u3073\u3063\u304f\u308a\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u3002\u305f\u3060\u3057\u3001\u3053\u308c\u306f1\u3064\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306e\u7d50\u679c\u3067\u3059\u3002\u52b9\u679c\u306f\u30b5\u30a4\u30c8\u306e\u5185\u5bb9\u3084\u30e6\u30fc\u30b6\u30fc\u5c64\u306b\u3088\u3063\u3066\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4eca\u56de\u306e\u30dd\u30a4\u30f3\u30c8\u306f\u4ee5\u4e0b\u306e3\u3064\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u793e\u4f1a\u7684\u8a3c\u660e\u306e\u300c3\u70b9\u30bb\u30c3\u30c8\u300d\uff08\u661f\u8a55\u4fa1\u30fb\u4ef6\u6570\u30fb\u5b9f\u540d\uff09\u304c\u63c3\u3063\u305f\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u6f14\u51fa\u3059\u308b<\/li>\n\n\n\n<li><code>IntersectionObserver<\/code>\u30673\u8981\u7d20\u306e\u540c\u6642\u53ef\u8996\u3092\u5224\u5b9a\u3059\u308b<\/li>\n\n\n\n<li>\u52d5\u304d\u306f0.6\u79d2\u306e1\u56de\u3060\u3051\u3002\u9759\u304b\u3067\u63a7\u3048\u3081\u306a\u6f14\u51fa\u304c\u52b9\u304f<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u300c\u30ec\u30d3\u30e5\u30fc\u304c\u3042\u308b\u306e\u306b\u8aad\u307e\u308c\u306a\u3044\u300d\u3068\u3044\u3046\u8ab2\u984c\u306f\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u554f\u984c\u3058\u3083\u306a\u304f\u3066\u3001\u300c\u898b\u308b\u304d\u3063\u304b\u3051\u300d\u306e\u554f\u984c\u3067\u3042\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002\u4eca\u56de\u306e\u5b9f\u88c5\u306f30\u884c\u3050\u3089\u3044\u306eJS\u3067\u3001\u65e2\u5b58\u306e\u30ec\u30d3\u30e5\u30fc\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u3059\u3050\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p 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