p {
  line-height: 1.7;
}

#kouzaContents ol li {
  margin-left: 1.5rem;
  text-indent: unset;
}

.char_red {
  color: #ff0000;
}

.char_blue {
  color: #3366cc;
}

.char_bold {
  font-weight: bold;
}

.courseTextArea p.i20 {
  margin: 0px 0px 0px 20em;
  line-height: 170%;
  text-indent: -20em;
}

.pagetop2 {
  padding: 10px 16px !important;
}

#mainContents .head-lev01 {
  margin: 40px 0 10px;
}

.head-img {
  height: 28px;
}

.content-img {
  max-width: 470px;
  width: 100%;
  margin: 20px auto;
  padding: 10px;
  border: 1px solid #cccccc;
  text-align: center;
}

.content-img img {
  max-width: 450px;
  width: 100%;
}

.caption {
  margin: 16px auto 0;
  padding-top: 10px;
  text-align: center;
  border-top: 1px dotted #cccccc;
}

.icon_01,
.icon_02 {
  position: relative;
  display: inline-block;
  width: 20px;
  padding-left: 2px;
}

.icon_01::before {
  content: "";
  position: absolute;
  top: -14px;
  display: inline-block;
  width: 17px;
  height: 17px;
  background-image: url(./image/p-01.png);
  background-size: contain;
}

.icon_02::before {
  content: "";
  position: absolute;
  top: -14px;
  display: inline-block;
  width: 17px;
  height: 17px;
  background-image: url(./image/p-02.png);
  background-size: contain;
}

sup,
sub {
  font-size: 10px;
}
sup,
sub {
  font-size: 10px;
}

.example:not(:last-of-type) {
  padding-bottom: 20px;
  border-bottom: 1px solid #cccccc;
}

.flex {
  display: flex;
  column-gap: 10px;
}

p.mjx {
  margin-top: -8px;
  margin-left: 10px;
}
p.mjx * {
  display: inline-block;
  font-size: 15px !important;
  text-align: left !important;
}

.mt-negative {
  margin-top: -16px !important;
}

.text {
  /* text-indent: 1em; */
  /* font-size: 15px; */
}

.head-lev01 {
  position: relative;
  padding-left: 40px;
  color: #ff6600;
  font-size: 22px;
  font-weight: 500;
}

.head-lev01::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  display: grid;
  place-content: center;
  width: 30px;
  height: 30px;
  background: #ff6600;
  border-radius: 6px;
  color: #ffffff;
  font-weight: 700;
  line-height: 1;
  /* font-family: cursive, sans-serif; */
}

._01.head-lev01::before {
  content: "1";
}

._02.head-lev01::before {
  content: "2";
}

._03.head-lev01::before {
  content: "3";
}

._04.head-lev01::before {
  content: "4";
}

._05.head-lev01::before {
  content: "5";
}

#kouzaContents .head-level02 {
  font-size: 15px;
}

.bold {
  font-weight: 700;
}

.text {
  font-size: 15px;
}

.content-img .size-s {
  width: 30%;
}

.content-img .size-m {
  width: 50%;
}

.difference {
  border-bottom: 3px double #000;
}

.note {
  text-decoration: wavy underline;
}

.figure {
  margin: 0;
}

.figure figcaption {
  padding-bottom: 8px;
  font-size: 16px;
  text-align: center;
}
.figure img {
  width: 100%;
}

.table_5 {
  width: 90%;
  margin: auto;
  border-collapse: collapse;

  th {
    width: 20%;
    padding-bottom: 8px;
    border-bottom: 1px solid #dddddd;
    font-weight: 400;
    text-align: center;
  }

  td {
    padding: 16px 0 8px 0;
    border-bottom: 1px solid #dddddd;
  }

  td {
    text-align: center;
  }
}

.author-info {
  padding-top: 20px;
  border-top: 1px solid #dddddd;
}

.author-info h3 {
  font-weight: 400 !important;
}