html {
  font-family: "Noto Sans JP", sans-serif;
  font-optical-sizing: auto;
  font-weight: weight;
  font-style: normal;
  background-color: #ffffff;
}

/*header*/
header {
  color: #000;
}

header .row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 90%;
  margin: 0 auto;
  max-width: 1180px;
  padding: 20px 0;
}

header .logo {
  font-size: 30px;
  font-weight: 400;
  font-family: "Dela Gothic One", sans-serif;
  font-style: normal;
}

header nav ul {
  display: flex;
}

header nav ul li {
  margin-left: 50px;
}

header nav ul li a {
  transition: .3s;
}

header nav ul li a:hover {
  transition: .3s;
  opacity: 0.6;
}

@media only screen and (max-width: 960px) {
  header .row {
    display: block;
  }
  header nav ul {
   justify-content: space-between;
   margin-top: 20px;
  }
  header nav ul li {
    margin-left: 0;
  }
}

/*main*/
.main-visual {
  background-image: url("../../../img/kaien-main.jpeg");
  background-size: cover;
  background-position: center top;
  position: relative;
  height:400px;
}

.main-visual .container {
  width: 90%;
  margin: 0 auto;
  max-width: 1280px;
  height: 640px;
  position: relative;
  padding: 170px 190px;
}

.main-visual .title {
  position: absolute;
  z-index: 2;
  margin: 0 auto;
}

.main-visual h1 {
  font-size: 70px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 24px;
}

.main-visual p {
  font-size: 24px;
  font-weight: 900;
  color: #ffffff;
}

.main-visual .purple {
  background-color: #f0f8ff;
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  mix-blend-mode: multiply;
}

@media only screen and (max-width: 1160px) {
.main-visual h1 {
  font-size: 40px;
 }

 .main-visual .container {
  height: 340px;
  padding: 140px 45px;
  }
}

.btn-service {
  font-size: 18px;
  border: solid 1px #000;
  border-radius: 100px;
  display: inline-block;
  width: 200px;
  line-height: 60px;
  text-align: center;
  transition: 0.3s;
  margin-top: 20px
}

.btn-service:hover {
  color: #778899;
  border: solid 1px #778899;
  transition: 0.3s;
}

@media only screen and (max-width: 1160px) {
.btn-service{
 font-size: 18px;
 width: 150px;
 line-height: 50px;
 margin-top: 10px;
  }
}

/*footer*/
footer {
  color: #000;
  text-align: center;
  font-size: 12px;
}

footer h2 {
  font-weight: 400;
  font-family: "Dela Gothic One", sans-serif;
  font-style: normal;
}

footer .container {
  width: 90%;
  margin: 0 auto;
  max-width: 1280px;
  border-top: solid 1px #778899;
  padding: 50px 0 20px;
}

footer .container h2 {
  font-size: 20px;
  margin-bottom: 30px;

}

footer .logo {
  font-size: 20px;
  font-weight: 700;
  display: inline-block;
  margin-bottom: 40px;
}

footer ul {
  display: flex;
  justify-content: center;
  margin-bottom: 60px;
}

footer ul li {
  font-size: 15px;
  margin: 0 20px;
}

footer ul li a {
  transition: .3s;
}

footer ul li a:hover {
  transition: .3s;
  opacity: 0.6;
}

/*section1*/
.service-section1 {
  color: #000;
  padding: 80px 0;
}

.service-section1 .container {
  width: 90%;
  margin: 0 auto;
  max-width: 1280px;
}

.service-section1 .sub_title {
  font-size: 20px;
  font-weight: 500;
  margin-bottom: 20px;
}

.service-section1 h2 {
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 40px;
}

.service-section1 .row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
}

.service-section1 .col {
  width: 48%;
}

.service-section1 .text {
  line-height: 1.8;
  margin-bottom: 50px;
}

.service-section1 img {
  border-radius: 20px;
}

.service-section1 ul {
margin-bottom: 20px;
background-color: #f5f5f5;
padding: 10px;
border-radius: 20px;
}

.service-section1 ul li {
  margin-top: 20px;
  margin-bottom: 20px;
}

.center {
  text-align: center;
  margin-top: 20px;
}


@media only screen and (max-width: 960px) {
  .service-section1 .row {
    flex-wrap: wrap;
  }
  
  .service-section1 .col {
    width: 100%;
    margin-bottom: 30px;
  }
}