body {
  width: 750px;
  margin: 0 auto;
  color: #3F3F3F;
  line-height: 160%;
}
pre {
  font-size: 18px;
  color: 3f3f3f;
  line-height: 160%;
}
h1 {
  width: 750px;
  line-height: 140%;
}
h3 {
  text-align: center;
}
strong {
  font-weight :bold;
}  
b {
  font-weight: bold;
}
.s {
  font-size: 90%;
}
 .m {
  font-size: 90%;
}
.guide {
  font-size: 90%;
  line-height: 120%;
}
.midasi {
  color: 3f3f3f;
  padding: 4px;
}
.title {
  color:# dfdfdf;
  font-size: 23px;
  font-weight: bold;
}
.tensai {
  border-style: solid;
  border-color:# daa520;
  padding: 10px;
  margin-left: 60px;
}
.bold {
  font-weight: bold;
} 
.mame {
  border-style: double;
  padding: 6px;
  font-size: 95%;
  line-height: 140%;
}
.mame2 {
  border-style: double;
  border-color: #daa520;
  padding: 6px;
  font-size: 90%;
  line-height: 140%;
}
.mame3 {
  border-style: solid;
  border-color: #daa520;
  padding: 10px;
}
.box {
  border-style:solid;
  border-color: #ddddff;
  padding :6px;
}
.m-red {
  background-color: #ffaaaa;
}
.line {
  text-decoration: underline;
}
.lt {
  font-size: medium;
  font-weight: bold;
}
a:link {
  color: #1e73be;
  text-decoration: none;
}
a:visited {
  color: #1e73be;
  text-decoration: none;
}