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HTML

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HTML preprocessors can make writing HTML more powerful or convenient. For instance, Markdown is designed to be easier to write and read for text documents and you could write a loop in Pug.

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Adding Classes

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About the <head>

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CSS

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CSS preprocessors help make authoring CSS easier. All of them offer things like variables and mixins to provide convenient abstractions.

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CSS Base

About CSS Base

It's a common practice to apply CSS to a page that styles elements such that they are consistent across all browsers. We offer two of the most popular choices: normalize.css and a reset. Or, choose Neither and nothing will be applied.

Vendor Prefixing

About Vendor Prefixing

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JavaScript

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JavaScript preprocessors can help make authoring JavaScript easier and more convenient.

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Babel includes JSX processing.

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HTML 

              
                <!-- 間隔調整不可 -->
    <div class="item">
        <p class="title">① dotted(角丸なし)</p>
        <p class="dotted text">テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。</p>
        <p class="dotted-2way text">borderだと２種類の線が使えるよ（太さも変えられる！）</p>
    </div>
    <div class="item">
        <p class="title">② dotted(枠が角丸)</p>
        <p class="dotted text radius">テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。</p>
    </div>
    <div class="item">
        <p class="title">③ outline(角丸なし)</p>
        <p class="outline text">テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。</p>
    </div>
    <div class="item">
        <p class="title">④ outline(枠が角丸)</p>
        <p class="outline text radius">テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。</p>
    </div>
    <!-- 間隔調整可能 ※linear-gradientの粒は角丸にならない -->
    <div class="item">
        <p class="title">⑤ linear-gradient(角丸なし)</p>
        <p>参考サイト：<a href="https://webspe.net/tools/border/">https://webspe.net/tools/border/</a></p>
        <p class="linear-gradient text">テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。</p>
    </div>
    <div class="item">
        <p class="title">⑥ linear-gradient(角丸なし&色付き)</p>
        <p>参考サイト：<a href="https://coliss.com/articles/build-websites/operation/css/css-borders-with-background-image.html">https://coliss.com/articles/build-websites/operation/css/css-borders-with-background-image.html</a></p>
        <p class="linear-gradient linear-gradient-color text">テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。</p>
    </div>
    <div class="item">
        <p class="title">⑦ linear-gradient(枠が角丸)※角が途切れます</p>
        <p class="linear-gradient text radius">テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。</p>
    </div>
    <!-- 間隔調整可能 ※linear-gradientのつぶを角丸にしたいので画像で対応 -->
    <div class="item">
        <p class="title">⑧ linear-gradient(つぶが角丸)※端が中途半端に途切れる可能性があります</p>
        <p class="linear-gradient-image text">テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。</p>
    </div>
    <div class="item">
        <p class="title">⑨ linear-gradient(つぶが角丸)※四方囲むには調整に時間がかかります。</p>
        <p class="linear-gradient-image all text"><span class="tate"></span>テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。テキストが入ります。</p>
    </div>
!

CSS 

              
                p {
  font-family: "Zen Maru Gothic", serif;
}
.item {
  margin-block-end: 30px;
}
.title {
  font-size: 18px;
  font-weight: bold;
  margin-block-end: 10px;
}
.text {
  max-width: 600px;
  padding: 20px;
  font-size: 16px;
  line-height: 1.5;
}
.text.radius {
  border-radius: 20px;
}
/****************/
.dotted {
  border: 6px dotted #8f6552;
  /* border-radius: 20px;　角丸の場合 */
}
.dotted-2way{
  border-width: 6px 3px;
  border-style: dotted solid;
  border-color: #8f6552;
}

/****************/
.outline {
  outline: 3px dashed #035f9d; 
  outline-offset: -8px; /*プラスなら外側へ、マイナスなら内側へ*/
  background-color: #f0f0f0;
  /* border-radius: 20px;　角丸の場合 */
}

/****************/
/* ⑤ linear-gradient(角丸なし) */
.linear-gradient {
  background-image: 
linear-gradient(to right, #556b2f,#556b2f 6px, transparent 6px), /* 上 */ 
linear-gradient(to bottom, #556b2f, #556b2f 6px, transparent 6px), /* 左 */
linear-gradient(to left, #556b2f, #556b2f 6px, transparent 6px), /* 下 */ 
linear-gradient(to top, #556b2f, #556b2f 6px, transparent 6px); /* 右 */
  background-size: 14px 2px, 2px 14px, 14px 2px, 2px 14px;
  background-repeat: repeat-x, repeat-y, repeat-x, repeat-y;
  background-position: top, left, bottom, right;
}
/* ⑥ linear-gradient(角丸なし&色付き) */
.linear-gradient-color {
  background-image: 
    repeating-linear-gradient(
      45deg,
      #d4746b,
      #8aae7e 8px,
      transparent 8px,
      transparent 12px
    ),
    /* 上辺 */
      repeating-linear-gradient(
        135deg,
        #d4746b,
        #8aae7e 8px,
        transparent 8px,
        transparent 12px
      ),
    /* 左辺 */
      repeating-linear-gradient(
        225deg,
        #d4746b,
        #8aae7e 8px,
        transparent 8px,
        transparent 12px
      ),
    /* 下辺 */
      repeating-linear-gradient(
        315deg,
        #d4746b,
        #8aae7e 8px,
        transparent 8px,
        transparent 12px
      ); 
    /* 右辺 */
  background-size: 4px 100%, 100% 4px, 4px 100%, 100% 4px; /* 点線の太さ */
  background-position: 0 0, 0 0, 100% 0, 0 100%; /* 位置調整 */
  background-repeat: no-repeat; /* 繰り返し防止 */
}

/****************/
/* ⑧ linear-gradient(つぶが角丸) */
.linear-gradient-image {
  background-image: url(https://live-freely-22.com/wp-content/uploads/2024/12/radius-rectangle-set.png);
  background-size: 14px 4px;
  background-repeat: repeat-x;
  background-position: left bottom;
}

/* ⑨ linear-gradient(つぶが角丸)※枠の場合 */
/* 四方上 */
.linear-gradient-image.all {
  background-image: url(https://live-freely-22.com/wp-content/uploads/2024/12/radius-rectangle-set.png);
  background-size: 14px 4px;
  background-repeat: repeat-x;
  background-position: right top;
  position: relative;
}
/* 四方下 */
.linear-gradient-image.all::before {
  display: block;
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url(https://live-freely-22.com/wp-content/uploads/2024/12/radius-rectangle-set.png);
  background-size: 13px 4px;
  background-repeat: repeat-x;
  background-position: left bottom;
}
/* 縦線 */
.linear-gradient-image.all span.tate {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
/* 四方左 */
.linear-gradient-image.all span.tate {
  background-image: url(https://live-freely-22.com/wp-content/uploads/2024/12/radius-rectangle-set-tate.png);
  background-size: 4px 14px;
  background-repeat: repeat-y;
  background-position: left bottom;
}
/* 四方右 */
.linear-gradient-image.all span.tate::before {
  display: block;
  content: "";
  width: 100%;
  height: 100%;
  background-image: url(https://live-freely-22.com/wp-content/uploads/2024/12/radius-rectangle-set-tate.png);
  background-size: 4px 14px;
  background-repeat: repeat-y;
  background-position: right bottom;
}

/***　点線の方眼　***/
body {
  position: relative;
  padding: 50px 100px;
}
@media ( max-width:768px ){
body{
  padding: 30px 20px;
}
}
body::before,
body::after {
  display: block;
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
body::before {
  background-image: linear-gradient(
      180deg,
      transparent 0%,
      transparent 50%,
      #fff 50%,
      #fff 100%
    ),
    /* 線1 */
      linear-gradient(90deg, rgba(128, 128, 128, 0.1) 3px, transparent 3px); /* 線2 */
  background-size: 100% 12px, /* 線1 */ 48px 100%; /* 線2 */
  z-index: -2;
}
body::after {
  background-image: linear-gradient(
      90deg,
      transparent 0%,
      transparent 50%,
      #fff 50%,
      #fff 100%
    ),
    linear-gradient(180deg, rgba(128, 128, 128, 0.1) 3px, transparent 3px);
  background-size: 12px 100%, 100% 50px;
  z-index: -2;
}
!

JS
!
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