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HTML

              
                <div id="container">
	<div id="demo1" class="demo">
		<h1>東京特許許可局</h1>
	</div>

	<div id="demo2" class="demo">
		<h1>千葉 滋賀 佐賀</h1>
	</div>

	<div id="demo3" class="demo">
		<h1>その1<br>その2<br>その3</h1>
	</div>
</div>
              
            
!

CSS

              
                body {
	margin: 0 auto;
	max-width: 80em;
	width: 88%;
}

.demo {
	color: red;
	margin-bottom: 1.5em;
	text-transform: uppercase;
}

.char2,
#demo2 .word2,
.line2 {
	color: orange;
}

.char3,
.word3,
.line3 {
	color: yellow;
}

.char4,
.line4 {
	color: blue;
}

.char5 {
	color: green;
}

.char6 {
	color: indigo;
}

.char7 {
	color: violet;
}

[class*="line"] {
	display: block;
	width: 100%;
}

              
            
!

JS

              
                /*!
 * Vanilla JS Lettering.js
 * A vanilla JS fork of http://letteringjs.com/ by Dave Rupert
 * (c) 2019 Chris Ferdinandi, MIT License, https://gomakethings.com
 */
var Lettering = (function () {
	"use strict";

	/**
	 * Create the Constructor object
	 */
	var Constructor = function (selector) {
		//
		// Error Checks
		//

		// Make sure a selector is provided
		if (!selector) {
			throw new Error("Please provide a valid selector");
		}

		//
		// Variables
		//

		// Get all of the elements for this instantiation
		var elems = Array.prototype.slice.call(document.querySelectorAll(selector));

		// Hashed string to replace line breaks with
		var str = "eefec303079ad17405c889e092e105b0";

		// Public APIs object
		var publicAPIs = {};

		//
		// Methods
		//

		/**
		 * Replace line breaks in a string
		 * @param  {Node} elem The element to replace line breaks on
		 */
		var replaceBreaks = function (elem) {
			var r = document.createTextNode(str);
			Array.prototype.slice
				.call(elem.querySelectorAll("br"))
				.forEach(function (br) {
					elem.replaceChild(r.cloneNode(), br);
				});
		};

		/**
		 * @return {[type]} [description]
		 */

		/**
		 * Wrap each letter, word, or line in a span and add attributes
		 * @param  {Array} elems       The elements to wrap content in
		 * @param  {String}  splitStr  The string to use as the delimiter
		 * @param  {String}  className The class prefix to use for wrapped content
		 * @param  {String}  after     String to add after each item
		 * @param  {Boolean} breaks    If true, replace line breaks
		 * @return {Array}             The elements that were wrapped
		 */
		var wrap = function (elems, splitStr, className, after, breaks) {
			elems.forEach(function (elem) {
				var original = elem.textContent;
				if (breaks) {
					replaceBreaks(elem);
				}
				var text = elem.textContent
					.split(splitStr)
					.map(function (item, index) {
						return (
							'<span class="' +
							className +
							(index + 1) +
							'" aria-hidden="true">' +
							item +
							"</span>" +
							after
						);
					})
					.join("");
				elem.setAttribute("aria-label", original);
				elem.innerHTML = text;
			});
			return elems;
		};

		/**
		 * Wrap each letter in a span and class
		 * @return {Array} The elements that were wrapped
		 */
		publicAPIs.letters = function () {
			return wrap(elems, "", "char", "");
		};

		/**
		 * Wrap each word in a span and class
		 * @return {Array} The elements that were wrapped
		 */
		publicAPIs.words = function () {
			return wrap(elems, " ", "word", " ");
		};

		/**
		 * Wrap each line in a span and class
		 * @return {Array} The elements that were wrapped
		 */
		publicAPIs.lines = function () {
			return wrap(elems, str, "line", "", true);
		};

		//
		// Return the Public APIs
		//

		return publicAPIs;
	};

	//
	// Return the Constructor
	//

	return Constructor;
})();

new Lettering("#demo1 h1").letters();
new Lettering("#demo2 h1").words();
new Lettering("#demo3 h1").lines();

              
            
!
999px

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