背景の色により文字色を変えるCSS見出しデザイン

before疑似要素で「mix-blend-mode: difference;」指定し文字色を反転

<html style="max-height: 100%;"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><style id="basic-style">body,#svg-section{font-family:-apple-system,BlinkMacSystemFont,'Helvetica Neue','游ゴシック Medium',YuGothic,YuGothicM,'Hiragino Kaku Gothic ProN',メイリオ,Meiryo,sans-serif;}a,abbr,acronym,address,applet,article,aside,audio,b,big,blockquote,body,canvas,caption,center,cite,code,dd,del,details,dfn,div,dl,dt,em,embed,fieldset,figcaption,figure,footer,form,h1,h2,h3,h4,h5,h6,header,hgroup,html,i,iframe,img,ins,kbd,label,legend,li,mark,menu,nav,object,ol,output,p,pre,q,ruby,s,samp,section,small,span,strike,strong,sub,summary,sup,table,tbody,td,tfoot,th,thead,time,tr,tt,u,ul,var,video{margin:0;padding:0;border:0;font-size:100%;font:inherit;vertical-align:baseline}article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}body,svg{line-height:1}ol,ul{list-style:none}blockquote,q{quotes:none}blockquote:after,blockquote:before,q:after,q:before{content:'';content:none}table{border-collapse:collapse;border-spacing:0}</style><style id="root-style">:root{--pic-image-data:none;}</style><meta http-equiv="X-UA-Compatible" content="ie=edge"><style id="basic-style">body,#svg-section{font-family:-apple-system,BlinkMacSystemFont,'Helvetica Neue','游ゴシック Medium',YuGothic,YuGothicM,'Hiragino Kaku Gothic ProN',メイリオ,Meiryo,sans-serif;}a,abbr,acronym,address,applet,article,aside,audio,b,big,blockquote,body,canvas,caption,center,cite,code,dd,del,details,dfn,div,dl,dt,em,embed,fieldset,figcaption,figure,footer,form,h1,h2,h3,h4,h5,h6,header,hgroup,html,i,iframe,img,ins,kbd,label,legend,li,mark,menu,nav,object,ol,output,p,pre,q,ruby,s,samp,section,small,span,strike,strong,sub,summary,sup,table,tbody,td,tfoot,th,thead,time,tr,tt,u,ul,var,video{margin:0;padding:0;border:0;font-size:100%;font:inherit;vertical-align:baseline}article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}body,svg{line-height:1}ol,ul{list-style:none}blockquote,q{quotes:none}blockquote:after,blockquote:before,q:after,q:before{content:'';content:none}table{border-collapse:collapse;border-spacing:0}</style><style id="basic-style">body,#svg-section{font-family:-apple-system,BlinkMacSystemFont,'Helvetica Neue','游ゴシック Medium',YuGothic,YuGothicM,'Hiragino Kaku Gothic ProN',メイリオ,Meiryo,sans-serif;}a,abbr,acronym,address,applet,article,aside,audio,b,big,blockquote,body,canvas,caption,center,cite,code,dd,del,details,dfn,div,dl,dt,em,embed,fieldset,figcaption,figure,footer,form,h1,h2,h3,h4,h5,h6,header,hgroup,html,i,iframe,img,ins,kbd,label,legend,li,mark,menu,nav,object,ol,output,p,pre,q,ruby,s,samp,section,small,span,strike,strong,sub,summary,sup,table,tbody,td,tfoot,th,thead,time,tr,tt,u,ul,var,video{margin:0;padding:0;border:0;font-size:100%;font:inherit;vertical-align:baseline}article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}body,svg{line-height:1}ol,ul{list-style:none}blockquote,q{quotes:none}blockquote:after,blockquote:before,q:after,q:before{content:'';content:none}table{border-collapse:collapse;border-spacing:0}</style><style id="out-style">.pic-container { display: flex; justify-content: center; flex-direction: column; width: 600px; height: 338px; padding: 0 6rem; box-sizing: border-box; background-color: #fefefe; } h2 { position: relative; padding: 0.8rem; margin-bottom: 0.2rem; color: #b2d5de; background-color: black; font-weight: bold; font-size: 26px; text-align: center; } h2:before { position: absolute; top: 0; left: 0; width: 50%; height: 100%; background-color: #b2d5de; mix-blend-mode: difference; content: ''; } </style><style id="pic-style"></style><style id="body-style">body,#svg-section {font-family:-apple-system,BlinkMacSystemFont,'Helvetica Neue','游ゴシック Medium',YuGothic,YuGothicM,'Hiragino Kaku Gothic ProN',メイリオ,Meiryo,sans-serif;}</style><link href="chrome-extension://nffaoalbilbmmfgbnbgppjihopabppdk/inject.css" type="text/css" rel="stylesheet"></head><body id="svg-section" style="width: 600px; height: 337.5px; transform-origin: left top; transform: scale(1);" class="vsc-initialized"><div class="pic-container pic-background"> <h2>CSSでつくる見出しデザイン</h2> </div> </body></html>

背景の色により文字色を変えるCSS見出しデザイン

before疑似要素で「linear-gradient」関数を使用し文字を反転させています

<html style="max-height: 100%;"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta http-equiv="X-UA-Compatible" content="ie=edge"><style id="basic-style">body,#svg-section{font-family:-apple-system,BlinkMacSystemFont,'Helvetica Neue','游ゴシック Medium',YuGothic,YuGothicM,'Hiragino Kaku Gothic ProN',メイリオ,Meiryo,sans-serif;}a,abbr,acronym,address,applet,article,aside,audio,b,big,blockquote,body,canvas,caption,center,cite,code,dd,del,details,dfn,div,dl,dt,em,embed,fieldset,figcaption,figure,footer,form,h1,h2,h3,h4,h5,h6,header,hgroup,html,i,iframe,img,ins,kbd,label,legend,li,mark,menu,nav,object,ol,output,p,pre,q,ruby,s,samp,section,small,span,strike,strong,sub,summary,sup,table,tbody,td,tfoot,th,thead,time,tr,tt,u,ul,var,video{margin:0;padding:0;border:0;font-size:100%;font:inherit;vertical-align:baseline}article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}body,svg{line-height:1}ol,ul{list-style:none}blockquote,q{quotes:none}blockquote:after,blockquote:before,q:after,q:before{content:'';content:none}table{border-collapse:collapse;border-spacing:0}</style><style id="root-style">:root{--pic-image-data:none;}</style><style id="out-style">.pic-container { position: relative; display: flex; justify-content: center; flex-direction: column; width: 600px; height: 100vh; padding: 0 6rem; box-sizing: border-box; background-color: #fefefe; z-index: 0; } :root { --accent-color: #ddd5b3; } h2 { position: relative; padding: 0.8rem; margin-bottom: 0.2rem; background-image: linear-gradient(45deg, #353535 0 50%, var(--accent-color) 50%); -webkit-background-clip: text; color: transparent; font-weight: bold; font-size: 26px; text-align: center; } h2:before { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(45deg, var(--accent-color) 50%, #353535 0 50%); content: ''; z-index: -1; } </style><style id="pic-style"></style><style id="body-style">body,#svg-section {font-family:-apple-system,BlinkMacSystemFont,'Helvetica Neue','游ゴシック Medium',YuGothic,YuGothicM,'Hiragino Kaku Gothic ProN',メイリオ,Meiryo,sans-serif;}</style><link href="chrome-extension://nffaoalbilbmmfgbnbgppjihopabppdk/inject.css" type="text/css" rel="stylesheet"></head><body id="svg-section" style="width: 600px; height: 337.5px; transform-origin: left top; transform: scale(1);" class="vsc-initialized"><div class="pic-container pic-background"> <h2>CSSでつくる見出しデザイン</h2> </div> </body></html>

背景の色により文字色を変えるCSS見出しデザイン

before疑似要素で「linear-gradient」関数を使用し文字を反転させています

<html style="max-height: 100%;"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta http-equiv="X-UA-Compatible" content="ie=edge"><style id="basic-style">body,#svg-section{font-family:-apple-system,BlinkMacSystemFont,'Helvetica Neue','游ゴシック Medium',YuGothic,YuGothicM,'Hiragino Kaku Gothic ProN',メイリオ,Meiryo,sans-serif;}a,abbr,acronym,address,applet,article,aside,audio,b,big,blockquote,body,canvas,caption,center,cite,code,dd,del,details,dfn,div,dl,dt,em,embed,fieldset,figcaption,figure,footer,form,h1,h2,h3,h4,h5,h6,header,hgroup,html,i,iframe,img,ins,kbd,label,legend,li,mark,menu,nav,object,ol,output,p,pre,q,ruby,s,samp,section,small,span,strike,strong,sub,summary,sup,table,tbody,td,tfoot,th,thead,time,tr,tt,u,ul,var,video{margin:0;padding:0;border:0;font-size:100%;font:inherit;vertical-align:baseline}article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}body,svg{line-height:1}ol,ul{list-style:none}blockquote,q{quotes:none}blockquote:after,blockquote:before,q:after,q:before{content:'';content:none}table{border-collapse:collapse;border-spacing:0}</style><style id="root-style">:root{--pic-image-data:none;}</style><style id="out-style">.pic-container { position: relative; display: flex; justify-content: center; flex-direction: column; width: 600px; height: 338px; padding: 0 6rem; box-sizing: border-box; background-color: #ddd; z-index: 0; } :root { --accent-color: #b2d5de; } h2 { position: relative; padding: 0.8rem; margin-bottom: 0.2rem; background-image: linear-gradient(90deg, #353535 0 50%, var(--accent-color) 30%); -webkit-background-clip: text; color: transparent; font-weight: bold; font-size: 26px; text-align: center; } h2:before { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(90deg, var(--accent-color) 0 50%, #353535 30%); content: ''; z-index: -1; } </style><style id="pic-style"></style><style id="body-style">body,#svg-section {font-family:-apple-system,BlinkMacSystemFont,'Helvetica Neue','游ゴシック Medium',YuGothic,YuGothicM,'Hiragino Kaku Gothic ProN',メイリオ,Meiryo,sans-serif;}</style><link href="chrome-extension://nffaoalbilbmmfgbnbgppjihopabppdk/inject.css" type="text/css" rel="stylesheet"></head><body id="svg-section" style="width: 600px; height: 337.5px; transform-origin: left top; transform: scale(1);" class="vsc-initialized"><div class="pic-container pic-background"> <h2>CSSでつくる見出しデザイン</h2> </div> </body></html>

背景の色により文字色を変えるCSS見出しデザイン

before疑似要素で「linear-gradient」関数を使用し文字を反転させています

<html style="max-height: 100%;"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta http-equiv="X-UA-Compatible" content="ie=edge"><style id="basic-style">body,#svg-section{font-family:-apple-system,BlinkMacSystemFont,'Helvetica Neue','游ゴシック Medium',YuGothic,YuGothicM,'Hiragino Kaku Gothic ProN',メイリオ,Meiryo,sans-serif;}a,abbr,acronym,address,applet,article,aside,audio,b,big,blockquote,body,canvas,caption,center,cite,code,dd,del,details,dfn,div,dl,dt,em,embed,fieldset,figcaption,figure,footer,form,h1,h2,h3,h4,h5,h6,header,hgroup,html,i,iframe,img,ins,kbd,label,legend,li,mark,menu,nav,object,ol,output,p,pre,q,ruby,s,samp,section,small,span,strike,strong,sub,summary,sup,table,tbody,td,tfoot,th,thead,time,tr,tt,u,ul,var,video{margin:0;padding:0;border:0;font-size:100%;font:inherit;vertical-align:baseline}article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}body,svg{line-height:1}ol,ul{list-style:none}blockquote,q{quotes:none}blockquote:after,blockquote:before,q:after,q:before{content:'';content:none}table{border-collapse:collapse;border-spacing:0}</style><style id="root-style">:root{--pic-image-data:none;}</style><style id="out-style">.pic-container { position: relative; display: flex; justify-content: center; flex-direction: column; width: 600px; height: 338px; padding: 0 6rem; box-sizing: border-box; background-color: #fefefe; z-index: 0; } :root { --accent-color1: #b2d5de; --accent-color2: #353535; } h2 { position: relative; padding: 0.8rem; margin-bottom: 0.2rem; background-image: linear-gradient(0deg, var(--accent-color1) 0 50%, var(--accent-color2) 30%); -webkit-background-clip: text; color: transparent; font-weight: bold; font-size: 26px; text-align: center; } h2:before { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(0deg, var(--accent-color2) 0 50%, var(--accent-color1) 30%); content: ''; z-index: -1; } </style><style id="pic-style"></style><style id="body-style">body,#svg-section {font-family:-apple-system,BlinkMacSystemFont,'Helvetica Neue','游ゴシック Medium',YuGothic,YuGothicM,'Hiragino Kaku Gothic ProN',メイリオ,Meiryo,sans-serif;}</style><link href="chrome-extension://nffaoalbilbmmfgbnbgppjihopabppdk/inject.css" type="text/css" rel="stylesheet"></head><body id="svg-section" style="width: 600px; height: 337.5px; transform-origin: left top; transform: scale(1);" class="vsc-initialized"><div class="pic-container pic-background"> <h2>CSSでつくる見出しデザイン</h2> </div> </body></html>