{"id":8050,"date":"2021-10-28T17:46:33","date_gmt":"2021-10-28T08:46:33","guid":{"rendered":"https:\/\/blastmail.jp\/blog\/?p=8050"},"modified":"2025-12-09T13:34:18","modified_gmt":"2025-12-09T04:34:18","slug":"header-size","status":"publish","type":"post","link":"https:\/\/blastmail.jp\/blog\/mailmagazine\/header-size","title":{"rendered":"\u30e1\u30eb\u30de\u30ac\u30d8\u30c3\u30c0\u30fc\u753b\u50cf\u30b5\u30a4\u30ba\u306e\u30d9\u30b9\u30c8\u306f\uff1f\u30b9\u30de\u30db\u3067\u3082PC\u3067\u3082\u300c\u304d\u308c\u3044\u306b\u898b\u3048\u308b\u300d\u63a8\u5968\u30b5\u30a4\u30ba\u3068\u4f5c\u6210\u306e\u30b3\u30c4"},"content":{"rendered":"<p><img decoding=\"async\" class=\"alignnone size-full wp-image-8060\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2021\/10\/header-size10.png\" alt=\"\" width=\"1200\" height=\"630\" 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decoding=\"async\" class=\"alignnone size-full wp-image-8056\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2021\/10\/header-size6.png\" alt=\"\" width=\"1200\" height=\"630\" \/><\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001PC\u30fb\u30b9\u30de\u30db\u305d\u308c\u305e\u308c\u306e\u30d8\u30c3\u30c0\u30fc\u306e\u30b5\u30a4\u30ba\u306b\u95a2\u3057\u3066\u3001\u5927\u624b\u4f01\u696d\u304c\u914d\u4fe1\u3057\u3066\u3044\u308b\u30e1\u30eb\u30de\u30ac\u3092\u57fa\u306b\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002\u89e3\u8aac\u3057\u3066\u3044\u308b\u30b5\u30a4\u30ba\u306b\u5408\u308f\u305b\u305f\u753b\u50cf\u306e\u30d3\u30b8\u30e5\u30a2\u30eb\u3082\u7528\u610f\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u30d8\u30c3\u30c0\u30fc\u306e\u30b5\u30a4\u30ba\u8abf\u6574\u306b\u3054\u6d3b\u7528\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>\u4e00\u822c\u7684\u306a\u30e1\u30eb\u30de\u30ac\u306e\u6a2a\u5e45\u30b5\u30a4\u30ba<\/h2>\n<p>\u5b9f\u969b\u306e\u30e1\u30eb\u30de\u30ac\u3092\u4f7f\u3063\u305f\u89e3\u8aac\u306e\u524d\u306b\u3001\u4e00\u822c\u7684\u306b\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u30d8\u30c3\u30c0\u30fc\u306e\u30b5\u30a4\u30ba\u306b\u3064\u3044\u3066\u77e5\u3063\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002\u8a73\u3057\u304f\u306f\u5f8c\u8ff0\u3057\u3066\u3044\u307e\u3059\u304c\u3001<strong>\u30d8\u30c3\u30c0\u30fc\u306f\u30e1\u30eb\u30de\u30ac\u306e\u6a2a\u5e45\u3068\u95a2\u4fc2\u3057\u3066\u3044\u307e\u3059<\/strong>\u3002<\/p>\n<p>\u30e1\u30eb\u30de\u30ac\u306e\u6a2a\u5e45\u306f<strong>500\u301c700px\u524d\u5f8c\u3067\u4f5c\u6210\u3055\u308c\u3066\u3044\u308b<\/strong>\u3053\u3068\u304c\u591a\u304f\u3001\u80cc\u666f\u8272\u3068\u30ed\u30b4\u306a\u3069\u3092\u540c\u8272\u306b\u3057\u305f\u5834\u5408\u306f\u30e1\u30eb\u30de\u30ac\u306e\u6a2a\u5e45\u304c\u305d\u306e\u307e\u307e\u30d8\u30c3\u30c0\u30fc\u306e\u30b5\u30a4\u30ba\u306b\u306a\u308a\u307e\u3059\u3002\u5f8c\u8ff0\u3057\u3066\u3044\u308bamazon\u306e\u3088\u3046\u306b\u3001\u30d8\u30c3\u30c0\u30fc\u306b\u30dc\u30bf\u30f3\u3092\u914d\u7f6e\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u30d8\u30c3\u30c0\u30fc\u5168\u4f53\u306b\u5360\u3081\u308b\u30ed\u30b4\u306e\u5272\u5408\u306f\u5c11\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30d8\u30c3\u30c0\u30fc\u306e\u69cb\u6210\u306b\u306a\u3063\u3066\u3044\u308b\u30e1\u30eb\u30de\u30ac\u3092\u96c6\u3081\u307e\u3057\u305f\u3002<\/p>\n<div class=\"list04\">\n<ul>\n<li>\u30ed\u30b4\u306e\u307f\u306e\u30d8\u30c3\u30c0\u30fc<\/li>\n<li>\u30ed\u30b4\u3068\u30dc\u30bf\u30f3\u304c\u3042\u308b\u30d8\u30c3\u30c0\u30fc<\/li>\n<li>\u30ed\u30b4\u4ee5\u5916\u306e\u30c6\u30ad\u30b9\u30c8\u304c\u3042\u308b\u30d8\u30c3\u30c0\u30fc<\/li>\n<\/ul>\n<\/div>\n<p>\u3069\u308c\u3082\u80cc\u666f\u3068\u540c\u8272\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u30e1\u30eb\u30de\u30ac\u306e\u6a2a\u5e45\u3084\u30dc\u30bf\u30f3\u306e\u6709\u7121\u306a\u3069\u306b\u3088\u3063\u3066\u5370\u8c61\u304c\u9055\u3046\u30d8\u30c3\u30c0\u30fc\u306b\u306a\u308a\u307e\u3059\u3002<strong>\u914d\u7f6e\u3084\u30c7\u30b6\u30a4\u30f3<\/strong>\u306b\u3082\u6ce8\u76ee\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>\u30e1\u30eb\u30de\u30ac\u306e\u30d8\u30c3\u30c0\u30fc\u30b5\u30a4\u30ba\u307e\u3068\u3081<\/h2>\n<p>\u5b9f\u969b\u306b\u914d\u4fe1\u3055\u308c\u3066\u3044\u308b\u30e1\u30eb\u30de\u30ac\u306e\u30d8\u30c3\u30c0\u30fc\u30b5\u30a4\u30ba\u3092\u8abf\u67fb\u3057\u3066\u307e\u3068\u3081\u307e\u3057\u305f\u3002\u53c2\u8003\u307e\u3067\u306b\u3001\u30d5\u30a9\u30f3\u30c8\u30b5\u30a4\u30ba\u3082\u307e\u3068\u3081\u3066\u3042\u308b\u306e\u3067\u3001\u6587\u5b57\u3068\u753b\u50cf\u306e\u30d0\u30e9\u30f3\u30b9\u306b\u3082\u6ce8\u610f\u3057\u3066\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u53c2\u8003\u307e\u3067\u306b\u3067\u3059\u304c\u3001\u73fe\u5728\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306f<strong>PC\u3067\u6a2a\u5e45\u30b5\u30a4\u30ba1000px\u524d\u5f8c\u3001\u30b9\u30de\u30db\u3067750px\u524d\u5f8c<\/strong>\u3067\u4f5c\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30e1\u30eb\u30de\u30ac\u306e\u30d8\u30c3\u30c0\u30fc\u306f\u3001\u30ed\u30b4\u3092\u914d\u7f6e\u3057\u3069\u306e\u4f01\u696d\u304b\u3089\u306e\u30e1\u30eb\u30de\u30ac\u306a\u306e\u304b\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u30af\u30ea\u30c3\u30af\u3067\u304d\u308b\u30dc\u30bf\u30f3\u3084\u753b\u50cf\u3092\u8a2d\u5b9a\u3057\u3001\u30af\u30ea\u30c3\u30af\u7387\u3092\u30a2\u30c3\u30d7\u3055\u305b\u308b\u72d9\u3044\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30d8\u30c3\u30c0\u30fc\u306e\u30b5\u30a4\u30ba\u3084\u30c7\u30b6\u30a4\u30f3\u3092\u5de5\u592b\u3057\u3001\u8da3\u65e8\u304c\u308f\u304b\u308a\u3084\u3059\u3044\u30e1\u30eb\u30de\u30ac\u306e\u914d\u4fe1\u3092\u5fc3\u304c\u3051\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>NIKE<\/h3>\n<div class=\"su-table\">\n<table>\n<tbody>\n<tr>\n<td>\u4f01\u696d\u540d<\/td>\n<td>\u30d8\u30c3\u30c0\u30fc\u30b5\u30a4\u30ba\uff08\u6a2a\u5e45\uff09<\/td>\n<td>\u30d5\u30a9\u30f3\u30c8\u30b5\u30a4\u30ba<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.nike.com\/jp\/\">NIKE<\/a><\/td>\n<td>425\uff1a157\uff08640px\uff09<\/td>\n<td>\u306a\u3057<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u30b9\u30dd\u30fc\u30c4\u30d6\u30e9\u30f3\u30c9\u306e\u300cNIKE\u300d\u306e\u30e1\u30eb\u30de\u30ac\u3067\u3059\u3002<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-8063\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2021\/10\/header-size13.png\" alt=\"\" width=\"1110\" height=\"647\" \/><\/p>\n<p>\u30d8\u30c3\u30c0\u30fc\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u306f\u3001\u30ed\u30b4\u304c\u3042\u308b\u90e8\u5206\u306a\u306e\u3067\u308f\u304b\u308a\u3065\u3089\u3044\u3067\u3059\u304c\u3001\u6a2a\u9577\u306e\u753b\u50cf\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-8061\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2021\/10\/header-size11.jpg\" alt=\"\" width=\"750\" height=\"1334\" \/><\/p>\n<p>\u30b9\u30de\u30db\u306e\u5834\u5408\u306f\u4e0a\u8a18\u306e\u753b\u50cf\u306e\u3088\u3046\u306b\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30ed\u30b4\u81ea\u4f53\u306e\u30b5\u30a4\u30ba\u306f\u305d\u308c\u307b\u3069\u5927\u304d\u304f\u306a\u3044\u3067\u3059\u304c\u3001<strong>\u80cc\u666f\u3068\u30d8\u30c3\u30c0\u30fc\u304c\u540c\u8272\u306b\u306a\u3063\u3066\u3044\u308b\u305f\u3081640px\u306e\u6a2a\u5e45<\/strong>\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002NIKE\u3067\u306f<strong>\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30c7\u30b6\u30a4\u30f3<\/strong>\u3092\u63a1\u7528\u3057\u3066\u3044\u308b\u3088\u3046\u306a\u306e\u3067\u3001PC\u3067\u3082\u30b9\u30de\u30db\u3067\u3082\u540c\u3058\u30c7\u30b6\u30a4\u30f3\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30c7\u30b6\u30a4\u30f3\u3068\u306f\u3001\u753b\u9762\u306e\u30b5\u30a4\u30ba\u306b\u5fdc\u3058\u3066\u81ea\u52d5\u3067\u753b\u50cf\u3084\u6587\u5b57\u306e\u30b5\u30a4\u30ba\u3092\u8abf\u6574\u3059\u308b\u30a6\u30a7\u30d6\u30c7\u30b6\u30a4\u30f3\u3067\u3059\u3002\u8fd1\u5e74\u306eHTML\u5f62\u5f0f\u306e\u30e1\u30eb\u30de\u30ac\u306f\u3001\u30e1\u30fc\u30eb\u914d\u4fe1\u30bd\u30d5\u30c8\u304c\u63d0\u4f9b\u3057\u3066\u308b<strong>\u300cHTML\u30e1\u30fc\u30eb\u30a8\u30c7\u30a3\u30bf\u300d<\/strong>\u3092\u5229\u7528\u3057\u3066\u4f5c\u6210\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30c7\u30b6\u30a4\u30f3\u306f\u4e00\u822c\u7684\u306a\u4ed5\u69d8\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30a8\u30c7\u30a3\u30bf\u3092\u542b\u3080\u30e1\u30eb\u30de\u30ac\u96c6\u5ba2\u306b\u4fbf\u5229\u306a\u6a5f\u80fd\u3092\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u306e\u8a73\u7d30\u306f\u3001\u30a8\u30c7\u30a3\u30bf\u306e\u5b9f\u969b\u306e\u7de8\u96c6\u753b\u9762\u3092\u4f7f\u3044\u306a\u304c\u3089\u5f8c\u534a\u3067\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u305d\u3061\u3089\u3082\u305c\u3072\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>amazon<\/h3>\n<div class=\"su-table\">\n<table>\n<tbody>\n<tr>\n<td>\u4f01\u696d\u540d<\/td>\n<td>\u30d8\u30c3\u30c0\u30fc\u30b5\u30a4\u30ba\uff08\u6a2a\u5e45\uff09<\/td>\n<td>\u30d5\u30a9\u30f3\u30c8\u30b5\u30a4\u30ba<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.amazon.co.jp\/\">amazon<\/a><\/td>\n<td>8\uff1a1\uff08640px\uff09<\/td>\n<td>\u7d0415px\uff0811.25pt\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-8052\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2021\/10\/header-size2.png\" alt=\"\" width=\"643\" height=\"80\" \/><\/p>\n<p>\u3053\u3061\u3089\u3082<strong>640px\u3067\u6a2a\u5e45\u304c\u7d44\u307e\u308c\u3066\u3044\u307e\u3059<\/strong>\u3002<\/p>\n<p>\u30ed\u30b4\u306e\u90e8\u5206\u3060\u3051\u3060\u3068274px\u3068\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u3084\u3084\u5c0f\u3055\u3081\u3067\u3059\u3002<\/p>\n<p>\u30d5\u30a9\u30f3\u30c8\u30b5\u30a4\u30ba\u306f\u300c<a href=\"https:\/\/tomari.org\/main\/java\/html-bunner.html\">\u753b\u50cf\u30fb\u6587\u5b57\u30b5\u30a4\u30ba\u78ba\u8a8d\u7528\u30c4\u30fc\u30eb<\/a>\u300d\u3092\u4f7f\u3063\u3066\u3001\u76ee\u5b89\u3068\u3057\u3066\u7b97\u51fa\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30ed\u30b4\u306eamazon\u306e\u90e8\u5206\u304c<strong>20px\uff0815pt\uff09<\/strong>\u306b\u306a\u3063\u3066\u304a\u308a\u3001PC\u306e\u30e1\u30fc\u30eb\u753b\u9762\u3067\u78ba\u8a8d\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-8051\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2021\/10\/header-size1.png\" alt=\"\" width=\"1183\" height=\"625\" \/><\/p>\n<p>\u672c\u6587\u3068\u306e\u6587\u5b57\u30d0\u30e9\u30f3\u30b9\u306e\u517c\u306d\u5408\u3044\u3082\u3042\u308a\u307e\u3059\u304c\u300115\u301c20px\u3042\u308c\u3070\u30d8\u30c3\u30c0\u30fc\u90e8\u3067\u3082\u5b58\u5728\u611f\u306e\u3042\u308b\u6587\u5b57\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>NIKE\u3068\u306f\u9055\u3044\u3001\u30de\u30a4\u30b9\u30c8\u30a2\u30fb\u30bf\u30a4\u30e0\u30bb\u30fc\u30eb\u306a\u3069\u306e<strong>\u30dc\u30bf\u30f3\u3092\u30d8\u30c3\u30c0\u30fc\u306b\u914d\u7f6e\u3057\u3066\u3044\u308b<\/strong>\u306e\u3082\u3001amazon\u304c\u914d\u4fe1\u3057\u3066\u3044\u308b\u30e1\u30eb\u30de\u30ac\u306e\u7279\u5fb4\u3067\u3059\u3002<\/p>\n<p>\u30b3\u30f3\u30c6\u30f3\u30c4\u90e8\u5206\u3068\u306f\u9055\u3044\u30d8\u30c3\u30c0\u30fc\u306f\u57fa\u672c\u7684\u306b\u306f\u5909\u3048\u305a\u306b\u914d\u4fe1\u3092\u3059\u308b\u306e\u3067\u3001\u914d\u7f6e\u3059\u308b\u30dc\u30bf\u30f3\u306f\u5e38\u306b\u53d7\u4fe1\u8005\u306b\u767a\u4fe1\u3057\u305f\u3044\u60c5\u5831\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-8062\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2021\/10\/header-size12.jpg\" alt=\"\" width=\"750\" height=\"1334\" \/><\/p>\n<p>\u30b9\u30de\u30db\u306e\u5834\u5408\u306f\u4e0a\u8a18\u306e\u753b\u50cf\u306e\u3088\u3046\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u30b9\u30de\u30db\u3067\u8868\u793a\u3059\u308b\u3068\u672c\u6587\u306e\u90e8\u5206\u306f\u3001\u76ee\u3092\u51dd\u3089\u3055\u306a\u3044\u3068\u898b\u3048\u306a\u3044\u30b5\u30a4\u30ba\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u6587\u5b57\u30b5\u30a4\u30ba\u306e\u5909\u66f4\u3060\u3051\u3067\u306a\u304f\u3001\u6539\u884c\u306a\u3069\u306e\u5de5\u592b\u3082\u3059\u308b\u3053\u3068\u3067\u8aad\u8005\u306b\u89aa\u5207\u306a\u30e1\u30eb\u30de\u30ac\u306e\u672c\u6587\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<h3>\u30e1\u30eb\u30ab\u30ea<\/h3>\n<div class=\"su-table\">\n<table>\n<tbody>\n<tr>\n<td>\u4f01\u696d\u540d<\/td>\n<td>\u3078\u30c3\u30c0\u30fc\u30b5\u30a4\u30ba\uff08\u6a2a\u5e45\uff09<\/td>\n<td>\u30d5\u30a9\u30f3\u30c8\u30b5\u30a4\u30ba<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/about.mercari.com\/\">\u682a\u5f0f\u4f1a\u793e\u30e1\u30eb\u30ab\u30ea<\/a><\/td>\n<td>19\uff1a3\uff08760px\uff09<\/td>\n<td>\u7d0432px\uff0824pt\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-8055\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2021\/10\/header-size5.png\" alt=\"\" width=\"363\" height=\"36\" \/><\/p>\n<p>\u3053\u3061\u3089\u306e\u30d8\u30c3\u30c0\u30fc\u3082\u5de6\u53f3\u306b\u767d\u3044\u80cc\u666f\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u30ed\u30b4\u306e\u753b\u50cf\u4ee5\u4e0a\u306b\u5b9f\u969b\u306e\u30d8\u30c3\u30c0\u30fc\u30b5\u30a4\u30ba\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u4e0a\u8a18\u306e\u8868\u306f\u5de6\u53f3\u306e\u767d\u3044\u80cc\u666f\u3082\u542b\u3081\u305f\u6570\u5b57\u3092\u8a18\u8f09\u3057\u3066\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>PC\u3067\u30e1\u30eb\u30de\u30ac\u3092\u8868\u793a\u3057\u305f\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30d3\u30b8\u30e5\u30a2\u30eb\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-8053\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2021\/10\/header-size3.png\" alt=\"\" width=\"1081\" height=\"653\" \/><\/p>\n<p>amazon\u306e\u30e1\u30eb\u30de\u30ac\u306f\u6a2a\u5e45640px\u3067\u914d\u4fe1\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u30e1\u30eb\u30ab\u30ea\u306f\u5927\u304d\u3081\u306b\u4f5c\u3089\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u30d8\u30c3\u30c0\u30fc\u542b\u3081\u5168\u4f53\u306e\u30d5\u30a9\u30f3\u30c8\u30b5\u30a4\u30ba\u3082\u5927\u304d\u304f\u3001\u89aa\u3057\u307f\u304c\u308f\u304f\u30c7\u30b6\u30a4\u30f3\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>\u300c\u307f\u3093\u306a\u306e\u30e1\u30eb\u30ab\u30ea\u6559\u5ba4\u300d\u3068\u3044\u3046\u6587\u5b57\u3092\u5927\u304d\u304f\u3057\u3066\u3044\u308b\u5206\u3001\u30dc\u30bf\u30f3\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u672c\u6587\u306e\u753b\u50cf\u3082\u542b\u3081\u3066<strong>\u4e00\u76ee\u3067\u30e1\u30eb\u30ab\u30ea\u306e\u51fa\u54c1\u306b\u95a2\u3059\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308b\u4f5c\u308a<\/strong>\u3067\u3059\u3002<\/p>\n<h2>\u753b\u50cf\u304c\u307c\u3084\u3051\u308b\u539f\u56e0\u306f\u3053\u308c\uff01\u300cRetina\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4\u300d\u5bfe\u5fdc\u306e\u30b5\u30a4\u30ba\u8a2d\u5b9a<\/h2>\n<p>iPhone\u3084Mac\u3092\u306f\u3058\u3081\u3068\u3059\u308b\u9ad8\u753b\u8cea\u306a\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4\u3067\u30e1\u30eb\u30de\u30ac\u3092\u898b\u305f\u969b\u306b\u753b\u50cf\u304c\u307c\u3093\u3084\u308a\u3068\u6ef2\u3093\u3067\u898b\u3048\u305f\u7d4c\u9a13\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002\u3053\u308c\u306f\u753b\u50cf\u306e\u89e3\u50cf\u5ea6\u304c\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4\u306e\u6027\u80fd\u306b\u8ffd\u3044\u3064\u3044\u3066\u3044\u306a\u3044\u3053\u3068\u304c\u539f\u56e0\u3067\u3059\u3002<\/p>\n<p>\u8fd1\u5e74\u306e\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3084PC\u306e\u591a\u304f\u306f\u5f93\u6765\u306e2\u500d\u4ee5\u4e0a\u306e\u5bc6\u5ea6\u3067\u753b\u7d20\u304c\u4e26\u3076\u300cRetina\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4\u300d\u306a\u3069\u306e\u9ad8\u89e3\u50cf\u5ea6\u753b\u9762\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u6614\u306a\u304c\u3089\u306e\u57fa\u6e96\u3067\u753b\u50cf\u3092\u4f5c\u3063\u3066\u3057\u307e\u3046\u3068\u753b\u8cea\u306e\u7c97\u3055\u304c\u76ee\u7acb\u3063\u3066\u3057\u307e\u3044\u30d6\u30e9\u30f3\u30c9\u30a4\u30e1\u30fc\u30b8\u3092\u640d\u306a\u3046\u6050\u308c\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>\u63a8\u5968\u306f\u300c\u6a2a\u5e451200px\u300d\u3067\u4f5c\u3063\u3066\u300c600px\u300d\u3067\u8868\u793a\u3055\u305b\u308b\u3053\u3068<\/h3>\n<p>\u30e1\u30eb\u30de\u30ac\u306e\u4e00\u822c\u7684\u306a\u8868\u793a\u9818\u57df\u306e\u6a2a\u5e45\u306f600px\u304c\u6a19\u6e96\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u30d8\u30c3\u30c0\u30fc\u753b\u50cf\u306e\u30c7\u30fc\u30bf\u81ea\u4f53\u3082600px\u3067\u4f5c\u308b\u306e\u306f\u304a\u3059\u3059\u3081\u3067\u304d\u307e\u305b\u3093\u3002\u9ad8\u89e3\u50cf\u5ea6\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4\u3067\u304d\u308c\u3044\u306b\u898b\u305b\u308b\u305f\u3081\u306b\u306f\u8868\u793a\u3055\u305b\u305f\u3044\u30b5\u30a4\u30ba\u306e\u300c2\u500d\u300d\u306e\u5927\u304d\u3055\u3067\u753b\u50cf\u3092\u4f5c\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3064\u307e\u308a\u300c\u6a2a\u5e451200px\u300d\u3067\u753b\u50cf\u30c7\u30fc\u30bf\u3092\u4f5c\u6210\u3057\u5b9f\u969b\u306e\u30e1\u30fc\u30eb\u4e0a\u3067\u306f\u305d\u308c\u3092\u300c\u6a2a\u5e45600px\u300d\u306b\u7e2e\u5c0f\u3057\u3066\u8868\u793a\u3055\u305b\u308b\u3068\u3044\u3046\u624b\u6cd5\u3092\u3068\u308a\u307e\u3059\u3002\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u753b\u7d20\u5bc6\u5ea6\u304c\u9ad8\u3044\u753b\u9762\u3067\u3082\u30af\u30aa\u30ea\u30c6\u30a3\u3092\u843d\u3068\u3059\u3053\u3068\u306a\u304f\u9bae\u660e\u306a\u753b\u50cf\u3092\u8868\u793a\u3055\u305b\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>HTML\u30e1\u30fc\u30eb\u3067\u753b\u50cf\u30b5\u30a4\u30ba\u3092\u6307\u5b9a\u3059\u308b\u969b\u306e\u6ce8\u610f\u70b9<\/h3>\n<p>\u5927\u304d\u306a\u30b5\u30a4\u30ba\u306e\u753b\u50cf\u3092\u4f7f\u7528\u3059\u308b\u969b\u306b\u7d76\u5bfe\u306b\u5fd8\u308c\u3066\u306f\u306a\u3089\u306a\u3044\u306e\u304cHTML\u30bf\u30b0\u3084CSS\u306b\u3088\u308b\u300c\u8868\u793a\u5e45\u306e\u6307\u5b9a\u300d\u3067\u3059\u3002\u305f\u3060\u753b\u50cf\u3092\u8cbc\u308a\u4ed8\u3051\u305f\u3060\u3051\u3067\u306f\u672c\u6765\u306e\u30b5\u30a4\u30ba\u3067\u3042\u308b1200px\u3067\u305d\u306e\u307e\u307e\u8868\u793a\u3055\u308c\u3066\u3057\u307e\u3044\u30ec\u30a4\u30a2\u30a6\u30c8\u304c\u5927\u304d\u304f\u5d29\u308c\u308b\u539f\u56e0\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u7279\u306bOutlook\u306a\u3069\u306e\u4e00\u90e8\u306e\u30e1\u30fc\u30e9\u30fc\u3067\u306fCSS\u304c\u52b9\u304d\u3065\u3089\u3044\u3053\u3068\u304c\u3042\u308b\u305f\u3081\u3001img\u30bf\u30b0\u306ewid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href=\"https:\/\/blastmail.jp\/\">\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb<\/a>\u300d\u304c\u63d0\u4f9b\u3057\u3066\u3044\u308bHTML\u30e1\u30fc\u30eb\u30a8\u30c7\u30a3\u30bf\u3092\u4f8b\u306b\u30a8\u30c7\u30a3\u30bf\u6a5f\u80fd\u3092\u4f7f\u3063\u305fHTML\u30e1\u30fc\u30eb\u4f5c\u308a\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h3>\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u9078\u3076<\/h3>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-8054\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2021\/10\/header-size4.png\" alt=\"\" width=\"1209\" height=\"679\" 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class=\"alignnone size-full wp-image-8057\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2021\/10\/header-size7.png\" alt=\"\" width=\"1309\" height=\"632\" \/><\/p>\n<p>\u3082\u3061\u308d\u3093\u3001\u30d8\u30c3\u30c0\u30fc\u90e8\u3092\u542b\u3080HTML\u30e1\u30fc\u30eb\u306b\u633f\u5165\u3059\u308b\u753b\u50cf\u306f\u3001\u81ea\u5206\u3067\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u306e\u3067\u3001\u81ea\u793e\u306e\u30ed\u30b4\u306a\u3069\u3092\u4f7f\u3044\u30d8\u30c3\u30c0\u30fc\u3092\u4f5c\u6210\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>HTML\u3084\u30a8\u30c7\u30a3\u30bf\u306e\u8a73\u7d30\u306f\u4ee5\u4e0b\u306e\u8a18\u4e8b\u306b\u3082\u8a18\u8f09\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u3054\u53c2\u8003\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><a href=\"https:\/\/blastmail.jp\/blog\/mail\/htmlmail-making\">HTML\u30e1\u30fc\u30eb\u306e\u4f5c\u308a\u65b9\u30925\u5206\u3067\u89e3\u8aac\uff01\u6700\u3082\u7c21\u5358\u306b\u4f5c\u6210\u3059\u308b\u65b9\u6cd5\u3082\u3053\u3063\u305d\u308a\u6559\u3048\u307e\u3059<\/a><\/p>\n<h2>\u304a\u3059\u3059\u3081\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u300c\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u300d<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/blastmail.jp\/blog\/wp-content\/uploads\/2024\/07\/blastmail-top.jpg\" alt=\"\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u306e\u30ad\u30e3\u30c3\u30c1\u753b\u50cf\" width=\"1200\" height=\"630\" class=\"alignnone size-full wp-image-15955\" \/><\/p>\n<p>\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30e1\u30eb\u30de\u30ac\u306e\u5370\u8c61\u3092\u5927\u304d\u304f\u5de6\u53f3\u3059\u308b\u300c\u30d8\u30c3\u30c0\u30fc\u300d\u306e\u30b5\u30a4\u30ba\u3084\u30c7\u30b6\u30a4\u30f3\u306e\u91cd\u8981\u6027\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u5b9f\u969b\u306b\u3053\u308c\u3089\u306e\u77e5\u8b58\u3092\u6d3b\u304b\u3057\u3066\u3001\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u5bfe\u5fdc\u306e\u304d\u308c\u3044\u306aHTML\u30e1\u30fc\u30eb\u3092\u81ea\u529b\u3067\u4f5c\u308d\u3046\u3068\u3059\u308b\u3068\u3001\u5c02\u9580\u7684\u306a\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u77e5\u8b58\u304c\u5fc5\u8981\u3068\u306a\u308a\u3001\u591a\u304f\u306e\u62c5\u5f53\u8005\u69d8\u306b\u3068\u3063\u3066\u30cf\u30fc\u30c9\u30eb\u304c\u9ad8\u304f\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>\u305d\u3053\u3067\u3001\u8ab0\u3067\u3082\u7c21\u5358\u306b\u30d7\u30ed\u4e26\u307f\u306e\u30e1\u30eb\u30de\u30ac\u3092\u4f5c\u6210\u3067\u304d\u308b\u30c4\u30fc\u30eb\u3068\u3057\u3066\u304a\u3059\u3059\u3081\u306a\u306e\u304c\u300115\u5e74\u9023\u7d9a\u3067\u9867\u5ba2\u5c0e\u5165\u30b7\u30a7\u30a2No.1\u3092\u7372\u5f97\u3057\u3066\u3044\u308b\u300c\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\uff08blastmail\uff09\u300d\u3067\u3059\u3002<\/p>\n<p>\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u306e\u6700\u5927\u306e\u7279\u5fb4\u306f\u3001\u5c02\u9580\u77e5\u8b58\u304c\u4e00\u5207\u4e0d\u8981\u306a\u300cHTML\u30e1\u30fc\u30eb\u30a8\u30c7\u30a3\u30bf\u300d\u3067\u3059\u3002 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class=\"list04\">\n<ul>\n<li><strong>\u8c4a\u5bcc\u306a\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8<\/strong>\n\u30c7\u30b6\u30a4\u30f3\u306b\u60a9\u307e\u305a\u3001\u3059\u3050\u306b\u304d\u308c\u3044\u306a\u30e1\u30eb\u30de\u30ac\u304c\u4f5c\u308c\u307e\u3059\u3002<\/li>\n<li><strong>\u753b\u50cf\u7de8\u96c6\u6a5f\u80fd<\/strong>\n\u30a8\u30c7\u30a3\u30bf\u4e0a\u3067\u753b\u50cf\u306e\u30c8\u30ea\u30df\u30f3\u30b0\u3084\u660e\u308b\u3055\u8abf\u6574\u304c\u53ef\u80fd\u3067\u3059\u3002<\/li>\n<li><strong>\u52b9\u679c\u6e2c\u5b9a<\/strong>\n\u3069\u306e\u30ea\u30f3\u30af\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u304b\u304c\u5206\u304b\u308b\u305f\u3081\u3001\u30d8\u30c3\u30c0\u30fc\u753b\u50cf\u306e\u6539\u5584\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/div><\/li>\n<\/ul>\n<p>\u300c\u30d8\u30c3\u30c0\u30fc\u30b5\u30a4\u30ba\u3092\u6c17\u306b\u305b\u305a\u3001\u3082\u3063\u3068\u624b\u8efd\u306b\u52b9\u679c\u7684\u306a\u30e1\u30eb\u30de\u30ac\u3092\u9001\u308a\u305f\u3044\u300d\u3068\u304a\u8003\u3048\u306e\u65b9\u306f\u3001\u305c\u3072\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u306e\u6d3b\u7528\u3092\u691c\u8a0e\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u73fe\u5728\u3001\u3059\u3079\u3066\u306e\u6a5f\u80fd\u3092\u8a66\u305b\u308b7\u65e5\u9593\u306e\u7121\u6599\u30c8\u30e9\u30a4\u30a2\u30eb\u3092\u5b9f\u65bd\u4e2d\u3067\u3059\u3002\u307e\u305a\u306f\u5b9f\u969b\u306e\u4f7f\u3044\u5fc3\u5730\u3092\u4f53\u9a13\u3057\u3066\u307f\u308b\u3053\u3068\u304b\u3089\u59cb\u3081\u3066\u307f\u3066\u306f\u3044\u304b\u304c\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p><strong>\u516c\u5f0f\u30b5\u30a4\u30c8\uff1a<a href=\"https:\/\/blastmail.jp\/\" target=\"_blank\" rel=\"noopener\">\u30b7\u30a7\u30a21\u4f4d\u306e\u30e1\u30fc\u30eb\u914d\u4fe1\u30b7\u30b9\u30c6\u30e0\u300c\u30d6\u30e9\u30b9\u30c8\u30e1\u30fc\u30eb\u300d<\/a><\/strong><\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u30e1\u30eb\u30de\u30ac\u306e\u30d8\u30c3\u30c0\u30fc\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5f79\u5272\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<div 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