body{
    color: #000;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 16px;
    line-height: 1.66;
}

/*body*/
.noarea{/*headerと重なるので60pxの空白をtopに入れています*/
    height:60px;
}
.system-items{
    font-size:18px;
}
.system-item{
    margin-top: 90px;
    margin-right: auto;
    margin-bottom: 140px;
    margin-left: auto;
    width:80%;
    border-radius: 35px;/*ボックスの角を丸く*/
    box-shadow: 0 0 30px 2px rgba(0,0,0,0.1);/*ボックスの影描画*/
}

.top-imgs{
    text-align: center;
    position: relative;
}
.top-imgs img{
    width:100%;
}

.top-texts{
    color:white;
    position: absolute;
    top: 50%;
    left: 50%;
    -ms-transform: translate(-50%,-50%);
    -webkit-transform: translate(-50%,-50%);
    transform: translate(-50%,-50%);
    margin:0;
    padding:0;
    width: 90%;

}
.top-texts h1{
    font-size: 2.5em;
    margin: 0;
}
.top-texts p{
    font-size: 1.2em;
    margin: 0;
}
.imgs {
    flex: 6;
}
.imgs img{
    width:100%;
}
.items-margin {
    display: flex;
    flex-direction: row;
    padding: 40px 70px 40px 40px
}
.title {
    display: flex;
    flex-flow: column;
    margin: 14px 0;
}
.title-part {
    font-weight: bold;
    font-size: 1.75em;
}
.title-text {
    font-weight: 900;
    font-size: 2.25em;
}
.img-texts{
    flex: 7;
    margin-left: 50px;
}
.img-texts p{
    font-size: 1.4em;
    clear: both;
    padding-top: 30px;
    margin: 0;
}
.img-texts img{/*アイコン画像が大きかったので修正　状況に合わせて変更お願いします*/
    width: 130px;
    height: auto;
    float: left;
    margin-right: 20px;
}

@media screen and (max-width:1600px) {
  .img-texts p{
      padding-top: 16px;
      font-size:0.9em;
  }
  .title-part {
      font-weight: bold;
      font-size: 1.1em;
  }
  .title-text {
      font-weight: bold;
      font-size: 1.6em;
  }
}

@media screen and (max-width:959px) { /*header,footer参考CSSに入ってた想定画面サイズ３種です。*/
  .top-imgs img{
      display: none;
  }
  .system-item{
      margin-top: 50px;
      margin-right: auto;
      margin-bottom: 65px;
      margin-left: auto;
      width:80%;
      box-shadow: unset;
  }
  .items-margin {
      flex-direction: column;
  }
  .top-imgs::after {
      content: "";
      display: block;
      height: 300px;
      width: 100%;
      background-color: #52a5ff;
  }
  .top-texts h1{
      font-size: 1.7em;
  }
  .top-texts p{
      font-size: 1.275em;
  }
  .img-texts img{
      width: 160px;
  }
  .img-texts {
      margin: 0;
  }
  .title-part {
      font-size: 1.2em;
  }
  .title-text {
      font-size: 1.4em;
  }
  .img-texts p{
      padding-top: 16px;
      font-size:1.1em;
  }
  .imgs img{
      width:100%;
      margin: 0 auto;
  }
  .img-texts img{
      width: 70px;
      height: auto;
      float: left;
      margin-right: 20px;
  }
  .items-margin {
      padding: 40px 40px 40px 40px;
  }
}
@media screen and (max-width:559px) { /*header,footer参考CSSに入ってた想定画面サイズ３種です。*/

    .top-imgs::after {
        content: "";
        display: block;
        height: 150px;
        width: 100%;
        background-color: #52a5ff;
    }
    .top-texts h1{
        font-size: 1.6em;
    }
    .top-texts p{
        font-size: 1.2em;
    }
    .img-texts img{
        width: 80px;
    }
    .img-texts {
        margin: 0;
    }
    .title-part {
        font-size: 1.0em;
    }
    .title-text {
        font-size: 1.2em;
    }
    .img-texts p{
        padding-top: none;
        font-size:0.9em;
    }
    .system-item{
        margin-top: 35px;
        margin-right: auto;
        margin-bottom: 40px;
        margin-left: auto;
        width:80%;
    }
    .img-texts img{
        width:75px;
    }
    .items-margin {
        padding: 0px;
    }
  }
    @media screen and (max-width:400px){
      .img-texts img{
          width:50px;
      }
      .title-part {
          font-size: 0.8em;
      }
      .title-text {
          font-size: 0.9em;
      }
      .img-texts p{
          font-size:0.7em;
      }
    }