#mainImg {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 240px;
  overflow: hidden;
  background: url("../images/about/pic_main.jpg") top left;
  background-size: cover;
}

#mainImg img {
  display: flex;
}

#mainImg .ttl-mainImg .ttl-mainImg-main {
  position: relative;
  font-size: 13px;
  letter-spacing: 0.4em;
  margin-bottom: 18px;
}

.ttl-mainImg {
  text-align: center;
  color: #fff;
  text-shadow: 0px 0px 10px rgb(0 0 0 / 29%);
}

.ttl-mainImg-main:before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -8px;
  /*下線の上下位置調整*/
  display: inline-block;
  width: 50px;
  /*下線の幅*/
  height: 2px;
  /*下線の太さ*/
  -moz-transform: translateX(-50%);
  -webkit-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  transform: translate(-50%);
  /*位置調整*/
  background-color: #fff;
  /*下線の色*/
}

#mainImg .ttl-mainImg .ttl-mainImg-sub {
  font-size: 36px;
  line-height: 1.4em;
}

/* area-about
------------------------------------------------------------*/
#area-about {
  padding: 80px 0;
  background: #fff;
  text-align: center;
}

#area-about h2 {
  display: block;
  margin-bottom: 24px;
  font-size: 32px;
  color: #acdaf1;
  font-weight: normal;
}

#area-about h3 {
  display: block;
  margin-bottom: 24px;
  font-size: 32px;
  color: #acdaf1;
  font-weight: normal;
}

#area-about p {
  margin-bottom: 16px;
  text-align: left;
  font-size: 17px;
}

#area-about .tx-annotation {
  text-align: center;
  font-size: 11px;
  color: #999;
}

/* area-philosophy
------------------------------------------------------------*/
#area-philosophy {
  padding: 60px 0;
  background: #fdf8f6;
}

#area-philosophy dl {
  padding-bottom: 24px;
}

#area-philosophy dl dt h3 {
  display: block;
  margin-bottom: 14px;
  border-bottom: 1px solid #f1b28f;
  font-size: 32px;
  text-align: left;
  color: #f1b28f;
  font-weight: normal;
}

#area-philosophy dl dd {
  margin-bottom: 32px;
}

#area-philosophy dl dd p {
  font-size: 15px;
  font-style: italic;
}

/* area-developer
------------------------------------------------------------*/
.tx-developer-sub {
  font-size: 28px;
  margin-bottom: 8px;
  line-height: 1.4em;
  color: #acdaf1;
}

.tx-developer-name {
  font-size: 32px;
  margin-bottom: 28px;
  line-height: 1.4em;
}

.tx-developer-details {
  font-size: 15px;
  margin-bottom: 28px;
  line-height: 1.8em;
}

#area-developer {
  padding: 80px 0;
  background: #fff;
}

.box-developer {
  display: flex;
  align-items: center;
}

#area-developer dl dt {
  margin: 0 48px 0 0;
}

#area-developer dl dd {
  width: 60%;
}

.box-history {
  margin-top: 24px;
}

.box-history p {
  margin-bottom: 16px;
  font-size: 15px;
  text-align: left;
}

.box-gallery {
  display: flex;
  padding: 64px 0 0;
}

.box-gallery li {
  line-height: 0;
}

.box-gallery li.full {
  width: 100%;
}

.box-gallery img {
  display: block;
  width: 86%;
  border-radius: 50%;
  margin: 0 auto;
  height: auto;
}

/* RESPONSIVE 設定
------------------------------------------------------------*/

@media only screen and (max-width: 799px) {
  #mainImg .ttl-mainImg .ttl-mainImg-main {
    font-size: 2.4vw;
  }

  .ttl-mainImg-main:before {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -8px;
    /*下線の上下位置調整*/
    display: inline-block;
    width: 50px;
    /*下線の幅*/
    height: 2px;
    /*下線の太さ*/
    -moz-transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    transform: translate(-50%);
    /*位置調整*/
    background-color: #fff;
    /*下線の色*/
  }

  #mainImg .ttl-mainImg .ttl-mainImg-sub {
    font-size: 5vw;
  }

  .ttl-mainImg {
    position: relative;
    top: 10%;
  }

  #area-about {
    padding: 10vw 0;
  }

  #area-about h2 {
    margin-bottom: 4vw;
    font-size: 4.6vw;
  }

  #area-about h3 {
    margin-bottom: 4vw;
    font-size: 4.6vw;
  }

  #area-about p {
    margin-bottom: 2.6vw;
    font-size: 3.2vw;
  }

  #area-philosophy {
    padding: 6vw 0;
  }

  #area-philosophy dl {
    padding-bottom: 4vw;
  }

  #area-philosophy dl dt h3 {
    margin-bottom: 2.6vw;
    font-size: 4.6vw;
  }

  #area-philosophy dl dd {
    margin-bottom: 4vw;
  }

  #area-philosophy dl dd p {
    font-size: 3.2vw;
  }

  .tx-developer-sub {
    text-align: center;
    font-size: 3.2vw;
    margin-bottom: 2.6vw;
    line-height: 1.4em;
    color: #f1b28f;
  }

  .tx-developer-name {
    text-align: center;
    font-size: 8vw;
    margin-bottom: 4vw;
    line-height: 1.4em;
  }

  .tx-developer-details {
    font-size: 3.2vw;
    margin-bottom: 10vw;
    line-height: 1.8em;
  }

  #area-developer {
    padding: 10vw 0;
    background: #fff;
  }

  .box-developer {
    display: block;
    align-items: center;
  }

  #area-developer dl dt {
    margin: 0 0 6vw 0;
  }

  #area-developer dl dt img {
    width: 100%;
  }

  #area-developer dl dd {
    width: 100%;
  }

  .box-history {
    margin-top: 4vw;
  }

  .box-history p {
    margin-bottom: 2.6vw;
    font-size: 3.2vw;
    text-align: left;
  }

  #area-philosophy dl dd p {
    font-style: normal;
  }
}