#navi {
  display: flex;
  justify-content: center;
  align-items: center;
  height: auto;
  border: none;
}
#navi .inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px 20px;
  margin: auto;
  padding: 15px;
  max-width: 850px;
  width: 100%;
}
#navi .inner::before, #navi .inner::after {
  content: none;
}
@media (max-width: 850px) {
  #navi .inner {
    flex-direction: column;
  }
}
#navi .inner .navi_logo {
  float: none;
  margin: 0;
}
#navi .inner .navi_about {
  margin: 0;
}
@media (max-width: 850px) {
  #navi .inner .navi_about {
    border-left: none;
  }
}

.business-integration__ttl {
  padding: 60px 20px;
  text-align: center;
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.08rem;
  background-color: #f4f4f4;
}

.business-integration {
  margin: 0 auto 230px;
  padding: 0 20px;
  max-width: 850px;
  font-family: "Noto Sans JP", sans-serif;
}
@media (max-width: 850px) {
  .business-integration {
    margin: 0 auto 80px;
  }
}
.business-integration__txt p {
  margin-top: 20px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.8;
}
.business-integration__txt p.date {
  text-align: right;
  font-size: 14px;
}
.business-integration__link {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px 20px;
  margin-top: 60px;
}
@media (max-width: 850px) {
  .business-integration__link {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin-top: 50px;
  }
}
.business-integration__link p {
  font-size: 18px;
  font-weight: 600;
}
@media (max-width: 850px) {
  .business-integration__link p {
    font-size: 16px;
  }
}
.business-integration__link p span {
  color: #0080c9;
}
.business-integration__link a {
  display: inline-block;
  margin-top: 10px;
  transition: 0.3s;
}
.business-integration__link a:hover {
  opacity: 0.7;
}
@media (max-width: 850px) {
  .business-integration__link a {
    margin-top: 5px;
  }
}
.business-integration__link a img {
  max-width: 100%;
  filter: drop-shadow(0px 10px 5px rgba(0, 0, 0, 0.2));
}
.business-integration__sentence {
  margin-top: 50px;
}
.business-integration__sentence p {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.8;
}
.business-integration__sentence a {
  display: inline-block;
  margin-top: 50px;
  transition: 0.3s;
}
.business-integration__sentence a:hover {
  opacity: 0.7;
}
.business-integration__sentence a span {
  font-size: 14px;
  font-weight: 500;
  border-bottom: 2px solid #a3a3a3;
}
.business-integration__sentence a i {
  margin-left: 10px;
  font-size: 20px;
  color: #e60027;
}
.business-integration__educe {
  margin-top: 80px;
}
@media (max-width: 850px) {
  .business-integration__educe {
    margin-top: 50px;
  }
}
.business-integration__educe a {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: auto;
  max-width: 540px;
  height: 90px;
  font-size: 18px;
  color: #fff;
  background-color: #e60027;
  border-radius: 999px;
  transition: 0.3s;
  filter: drop-shadow(6px 6px 0px rgb(208, 208, 208));
}
.business-integration__educe a::before, .business-integration__educe a::after {
  content: "";
  position: absolute;
  display: inline-block;
  right: 0;
  left: auto;
}
.business-integration__educe a::before {
  top: 50%;
  right: 5%;
  width: 14px;
  height: 2px;
  background: #fff;
}
.business-integration__educe a::after {
  top: 47%;
  right: 5%;
  width: 6px;
  height: 6px;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
  transform: rotate(45deg);
}
.business-integration__educe a:hover {
  opacity: 0.7;
  filter: drop-shadow(0px 0px 0px rgb(208, 208, 208));
}
@media (max-width: 850px) {
  .business-integration__educe a {
    max-width: 540px;
    height: 65px;
    font-size: 15px;
  }
}

#copy {
  padding: 10px 20px;
  width: auto;
}
#copy .copy_inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px 20px;
  margin: auto;
  max-width: 850px;
  width: 100%;
}
#copy .copy_inner::before, #copy .copy_inner::after {
  content: none;
}
@media (max-width: 850px) {
  #copy .copy_inner {
    flex-direction: column;
  }
}
#copy .copy_inner .copy_logo {
  float: none;
}
#copy .copy_inner .copyright {
  float: none;
  color: #fff;
}