:root {
  --screen-max-width:1600px;
  --section-inner-width:1080px;
}

.header-section {
  height: fit-content;
  background-color: #D9E6F2;
  display: flex;
  align-items: center;
  justify-content: start;
}

.header-section header h2{
  margin: 30px 0;
  font-size: 2rem;
  background: url(../img/realtime_icon.png) no-repeat center top;
  padding-top: 100px;
}

.header-section  .header-description {
  background: #fff;
  padding-top: 20px;
  padding-bottom: 20px;
  max-width: 1080px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 70px;
  text-align: center;
  width: 100%;
}

.header-section .header-description h2 {
  margin-bottom: 10px;
  color: #2199ff;
  font-size: 1.4rem;
}

.header-section .header-description p {
  line-height: 2.0;
  padding: 0 15px;
}

.notify-description {
  max-width: var(--section-inner-width);
  margin:auto;
}

.notify-description {
  max-width: var(--section-inner-width);
  margin:auto;
  padding-top: 70px;
  flex-direction: column;
  display: flex;
  align-items: center;
}

.notify-description span{
  padding-bottom: 32px;
}

.notify-description span:last-child {
  padding-bottom: 0;
}

.header-section figure {
  display: flex;
  align-items: end;
  position: relative;
  min-height: 168px;
  padding-top: 15px;
  padding-right: 15px;
  padding-left: 15px;
  width: 100%;
  justify-content: center;
}

.header-section figcaption {
  display: block;
  position: absolute;
  z-index: 2;
  top: 0;
  width: 100%;
  font-size: 1.4rem;
  text-align: center;
}

/* realtime-steps */

.realtime-steps {
  max-width:var(--section-inner-width);
  margin:auto;
  padding: 80px 0;
}
.realtime-steps .title {
  margin-bottom: 70px;
  font-size: 1.75rem;
}
.realtime-steps .steps {
  display: flex;
  flex-direction: row;
}

.realtime-steps .item {
  width: 340px;
}

.realtime-steps .item:nth-child(2) {
  margin: 0 20px;
}
.realtime-steps .item .img-container {
  height: 230px;
  position: relative;
}

.realtime-steps .item .img-container img{
  object-fit: contain;
  width: 100%;
  height: 100%;
}
.realtime-steps .item .main-description{
  margin: 30px 0 20px;
  font-size: 1.5rem;
  text-align: center;
}

/* realtime-speeds */

.realtime-speeds-section {
  background: #f7f7f7;
}
.realtime-speeds {
  max-width:var(--section-inner-width);
  margin:auto;
  padding: 100px 0;
  margin-bottom: 100px;
}
.realtime-speeds .title {
  margin-bottom: 70px;
  font-size: 1.75rem;
}

.realtime-speeds .speeds ul {
  width: 100%;
  padding: 50px 0;
  border-left: #9c9998 2px solid;
  background: url(../img/realtime_speed_bg.png) repeat-x -1px 0;
}
.realtime-speeds .speeds li:last-child figcaption {
  display: none;
}
.realtime-speeds .speeds figure img {
  float: left;
  margin-right: 10px;
}
.realtime-speeds .speeds figcaption {
  float: left;
  line-height: 50px;
  font-weight: 400;
}
.realtime-speeds .speeds li {
  margin-bottom: 30px;
}
.realtime-speeds .speeds li::after {
  content: '';
  display: block;
  clear: both;
  height: 0;
}
.realtime-speeds .speeds .main-description{
  margin-bottom: 15px;
  font-size: 1.3em;
  font-weight: 400;
  text-align: center;
}
.realtime-speeds .speeds .main-description br {
  display: none;
}
.realtime-speeds .speeds .sub-description{
  text-align: center;
}

.notify-description-section, .location-section, .description-section, .realtime-steps-section, .realtime-speeds-section {
  padding: 0 15px;
}

@media screen and (max-width:768px) {
  body {
      padding:0;
      background-image:url(../img/hero-bg-top.png), url(../img/hero-bg-bottom.png);
      background-size:700px, 700px;
      background-position:right top, left bottom;
      background-repeat:no-repeat, no-repeat;
      background-attachment:fixed;
      min-width: unset;
  }
  .header-pc {
      display:none;
  }
  .header-sp {
      display:flex;
  }

  .header-section {
    justify-content: start;
  }

  .header-section .header-description p {
    margin: 0 20px 40px;
    line-height: 1.8;
    font-size: 0.9em;
  }

  .header-description, .description, .sub-description {
    br {
      display: none
    }
  }

  .notify-description {
    padding-top: 50px;
  }

  .notify-description span{
    font-size: 0.875rem;
  }

  .location {
    padding: 70px 0;
  }

  .realtime-steps {
    padding: 50px 0;
  }

  .realtime-steps .steps {
    flex-direction: column;
  }

  .realtime-steps .title {
    margin-bottom: 30px;
    font-size: 1.5rem;
    text-align: center;
  }

  .realtime-steps .steps .item {
    width: 100%;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .realtime-steps .steps .item .main-description {
    margin: 20px 0 10px;
    font-size: 1.2rem;
    text-align: center;
  }

  .realtime-steps .steps .item .img-container {
    min-height: unset;
    max-width: 400px;
    display: flex;
    justify-content: center;
  }

  .realtime-steps .steps .item .img-container img {
    width: 60%;
  }

  .realtime-speeds {
    padding: 50px 0;
  }

  .realtime-speeds .title {
    margin-bottom: 30px;
    color: #2199ff;
    font-size: 1.5rem;
    text-align: center;
  }

  .realtime-speeds .speeds ul {
    margin-bottom: 30px;
    padding: 30px 0;
    border-left: #9c9998 2px solid;
  }

  .realtime-speeds .speeds ul li {
    position: relative;
    overflow: hidden;
    height: 50px;
    margin-bottom: 30px;
  }

  .realtime-speeds .speeds ul li:last-child {
    margin-bottom: 0;
  }
  .realtime-speeds .speeds ul figcaption {
    display: block;
    float: left;
    line-height: 50px;
    font-weight: 400;
}
  .realtime-speeds .speeds ul li:nth-child(2) figcaption {
    position: relative;
    z-index: 2;
    margin-left: 140px;
}
  .realtime-speeds .speeds ul li:nth-child(2) figure img {
    position: absolute;
    left: -140px;
  }

  .realtime-speeds .speeds ul li:last-child figure img {
    position: absolute;
    right: 0;
    max-width: unset;
  }
  .realtime-speeds .speeds .main-description {
    margin-bottom: 15px;
    font-size: 1.2rem;
    font-weight: 400;
    text-align: center;
  }
  .realtime-speeds .speeds .main-description br {
    display: block;
  }
}