.box6 {
    padding: 0.5em 1em;
    margin: 2em 0;
    background: #f0f7ff;
    border: dashed 2px #5b8bd0;/*点線*/
}
.box6 p {
    margin: 0; 
    padding: 0;
}
.box30 {
    margin: 2em 0;
    background: #f1f1f1;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.22);
}
.box30 .box-title {
    font-size: 1.2em;
    background: #5fc2f5;
    padding: 4px;
    text-align: center;
    color: #FFF;
    font-weight: bold;
    letter-spacing: 0.05em;
}
.box30 p {
    padding: 15px 20px;
    margin: 0;
}
.marker {background: linear-gradient(transparent 60%, #93c9ff 0%);
}
h3 {
border-bottom: solid 3px #cce4ff;
position: relative;
}

h3:after {
position: absolute;
content: " ";
display: block;
border-bottom: solid 3px #5472cd;
bottom: -3px;
width: 20%;
}
h4 {
padding: 0.25em 0.5em;/*上下 左右の余白*/
color: #494949;/*文字色*/
background: transparent;/*背景透明に*/
border-left: solid 5px #7db4e6;/*左線*/
}
.under {
  color: orange;
  text-decoration : underline;
  }
.marker {background: linear-gradient(transparent 60%, #93c9ff 0%);
}
/*Chat Bubbles　CSS Setting*/
/* 全体のスタイル */
.voice {
  margin-bottom: 40px;
}
/* 左画像 */
.voice-img-left {
  margin-left: 4px;
  margin-top: -1px;
  float: left;
  width: 60px;
  height: 60px;
}
/* 右画像 */
.voice-img-right {
  margin-right: 4px;
  margin-top: -1px;
  float: right;
  width: 60px;
  height: 60px;
}
.voice figure img {
  width: 100%;
  height: 100%;
  border: 2px solid #eee;
  border-radius: 50%;
  margin: 0;
}
/* 画像の下のテキスト */
.voice-img-description {
  padding: 5px 0 0;
  font-size: 10px;
  text-align: center;
}
/* 左からの吹き出しテキスト */
.voice-text-right {
  color: #444;
  position: relative;
  margin-left: 100px;
  padding: 1.2em;
  border: 3px solid #eee;
  background-color: #fff;
  border-radius: 5px;
}
/* 右からの吹き出しテキスト */
.voice-text-left {
  position: relative;
  margin-right: 100px;
  padding: 1.2em;
  border: 3px solid #eee;
  background-color: #fff;
  border-radius: 5px;
}
p.voice-text {
  margin: 0 0 8px;
}
p.voice-text:last-child {
  margin-bottom: 0px;
}
/* 左の三角形を作る */
.voice-text-right:before {
  position: absolute;
  content: '';
  border: 10px solid transparent;
  border-right: 10px solid #eee;
  top: 15px;
  left: -20px;
}
.voice-text-right:after {
  position: absolute;
  content: '';
  border: 10px solid transparent;
  border-right: 10px solid #fff;
  top: 15px;
  left: -16px;
}
/* 右の三角形を作る */
.voice-text-left:before {
  position: absolute;
  content: '';
  border: 10px solid transparent;
  border-left: 10px solid #eee;
  top: 15px;
  right: -23px;
}
.voice-text-left:after {
  position: absolute;
  content: '';
  border: 10px solid transparent;
  border-left: 10px solid #fff;
  top: 15px;
  right: -19px;
}
/* 回り込み解除 */
.voice:after,.voice:before {
  clear: both;
  content: "";
  display: block;
}
.yellow-line {background: linear-gradient(transparent 60%, #ffff00 0%);
}