html {
  scroll-behavior: smooth;
  background-color: #f0f0f0;
}
body {
  margin: 0 auto 0 auto;
  max-width: 898px;
  min-height: 940px;
  background-color: #fff;
  padding: .5rem 1rem 1rem 1rem;
  font-size: 10.5pt;
  font-family: sans-serif;
  line-height: 15pt;
}

/* Font */
p {
  font-family: sans-serif;
}
pre, code {
  font-family: Menlo, Consolas, "Hiragino Kaku Gothic ProN", Meiryo, monospace;
}
.teletype, .tt {
  font-family: Consolas, 'Courier New', 'ＭＳ ゴシック', monospace !important;
}
.notbold, .nb {
  font-weight: normal;
}
.b {
  font-weight: bold;
}
.meiryo, .mr {
  font-family: 'Meiryo UI';
}
.con {
  font-family: 'Consolas';
}
.sm {
  font-size: 80%;
}

/* Color */
.red {
  color: red;
}
.green {
  color: green;
}
.blue {
  color: blue;
}
.pink {
  color: pink;
}


/* Global */
@media (max-width: 767px) {
    body {
        padding: .5em .5em;
    }
}
@media (max-width: 480px) {
    body {
        padding: .5em .5em;
    }
}
h2 {
  font-size: 18pt;
  padding: 6px;
  margin: 0 0 8px 0;
  border-bottom: 4px solid #469;
  line-height: 2rem;
}
h2::before {
  content: url("image/por2(111-41).jpg") " ";
}
h3 {
  font-size: 100%;
  background: #446699;
  color: #fff;
  padding: .2rem;
}
h3::before {
  content: "■ " ;
}
h4 {
  x-margin: 1em 0 1em 0;
  font-size: 14pt;
  x-border-left: 6px solid #469;
  border-bottom: 1px solid #aaa;
  x-padding: 1px 3px 0px 8px;
}
.h3-pink {
  font-size: 100%;
  background: #ff00ff;
  color: #fff;
  padding: .2rem;
}
h3-pink::before {
  content: "■ " ;
}

div.wd {
	line-height: 160%;
	margin: 10px 0;
}
.ind {
	text-indent: 1em;
}
/* Layout */
.indent, .i {
  margin-top: 1em;
  margin-bottom: 1em;
}
.c, .c2, .dos {
  margin: 1em 0 1em 0;
  border: thick double #32a1ce;
  border-radius: 20px;
  padding: 4px;
  background-color: #fafafa;
  overflow: auto;
  font-family: Consolas, 'Meiryo UI', 'Courier New', Monaco, monospace;
  font-size: 16pt;
  text-align: center
}
.triangle-down {
  width: 0;
  height: 0;
  border-left: 30px solid transparent;
  border-right: 30px solid transparent;
  border-top: 30px solid black;
    /* margin: auto;で中央配置するようにする */
  position: absolute;
  margin: 0 auto;
  left: 0;
  right: 0;
}