* {
  box-sizing: border-box;
  margin:0;
  padding:0;
}

body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN";
}

header {
  height : 120px ;
  width: 100%;
  background-color:rgba(38, 107, 236, 0.5) ;
  position :fixed ;
  top : 0 ;
  z-index: 10 ;
}

.logo {
  width : 480px ;
  height : 80px ;
  margin:15px auto;
}

.contents {
  display:flex;
}

.header-left {
  margin-left:30px;
  margin-right:70px;
}
/* <!-- モバイル用のヘッダーのメニュー --> */

.menu-icon {
  color: black;
  font-size: 30px;
  padding: 30px 30px;
  display:none;
  margin-top: 5px;
}

.close-modal{
  margin-top:5px;
  margin-right:10px;
  font-size: small;
  color:black;
  cursor: pointer;
  
}

nav {
  display:none;
  background: rgba(38, 107, 236, 0.5);
  color: #fff;
  width:20%;
  height:auto;
  min-width: 120px;
  max-width: 150px;
  position:absolute;
  top:90px;
  right:0;
  margin:0 auto;
  
} 

nav.active {
 display:block;
}

.nav-title{
  text-align: center;
  
}

.nav-listview li {
  list-style: none;
  padding-bottom: 8px;
  text-align:center;
  padding-top:6px;
  transition: all 1.0s;
}

.nav-listview li:hover {
  background-color:rgb(112, 214, 112);
  
}

.nav-listview li a {
  text-decoration:none;
  text-align:center;
  color:whitesmoke;
}

/*  <!-- モバイル用のヘッダーのメニュー --> */ 

.header-right {
  height : 120px ;
  background-color: rgba(255, 255, 255,0.3);
  transition: all 1.0s;
}

.header-right:hover {
  background-color:rgba(38, 107, 236, 0.5) ;
  
}

.header-right a:hover {
  color: rgba(255, 0, 0,0.9);
  
}

.header-right a {
  line-height:120px;
  padding: 0 15px;
  color: black ;
  transition: all 1.0s;
}

.container {
  width: 100%;
  margin: 0 auto;
  text-align: center;
}

.top-wrapper {
  background-image : url(image/top.jpeg);
  background-size:cover;
  width:100%;
  height:100%;

}

.top-wrapper h1 {
  opacity: 0.8;
  font-size: 50px;
  letter-spacing: 5px;
  color: red;
  text-align: center;
  padding: 200px 0 300px 0;
  margin-top:0;
}

.serivce-wrapper {
  background-color: #f7f7f7;
  text-align: center;
}

.heading h2{
  padding-top: 40px;
  padding-bottom: 10px;
  color: blue ;
  font-weight: bold;
  font-size : 30px ;
}

.service-icon {
  position: relative;
  margin:25px;
  
}

.inbound, .consultant, .coding {
  width : 40% ;
  height : 30% ;
}

.service {
  margin:20px;
}

.service-icon a {
  position: absolute;
  display:block;
  top: 35%;
  width: 100%;
  color:rgb(230, 98, 46);
  font-size: 30px;
}

.service-icon a:hover {
  color:red;
  transition: all 1.5s;
}

.text-contents {
  line-height: 50px;
  flex:auto;
  font-size: 20px;
  color: grey ;
  /* ホバー：デフォルトで非表示 */
  /* display:none; */

  /* スクロール：デフォルトで非表示 */
  transition:all 1.5s;  
  opacity:0;
  visibility:hidden;
}

.text-active {
  /* ホバーすると表示 */
  /* display:block; */

  /* スクロールで表示 */ 
  visibility:visible; 
  opacity:1;
}

/* float: left; を解除 */
/* .clear { */
  /* clear: left; */
/* } */

footer {
  border-top : 2px solid orange;
}

.copy {
  text-align: right;
  padding: 0 30px;
}