.menu .m06 a {
  color: #00acca;
  border-top: 2px solid #00acca;
  margin-top: -2px;
}

.mainimg-b {
  background-image: url("../img/kaisya-02.jpg");
}

.toiaw {
  text-align: center;
}

.toiaw h4 {
  font-family: "Sawarabi Mincho";
  font-size: 180%;
  letter-spacing: 0.1em;
  line-height: 1.6;
  color: #202020;
  margin-top: 30px;
}

.toiaw h5 {
  font-family: "Sawarabi Mincho";
  font-size: 60%;
  letter-spacing: 0.1em;
  line-height: 1.6;
  color: #202020;
  margin-bottom: 10px;
}

.toiaw h6 {
  font-family: "Sawarabi Mincho";
  font-size: 160%;
  letter-spacing: 0.1em;
  line-height: 1.6;
  color: #202020;
}
.mail-bbox {
  max-width: 600px;
  margin: 0 auto;
}

.tesare-100 {
  width: 100%;
}