@charset "UTF-8";
/* スマートフォン向け */
@media all and (max-width: 639px) {
  .lesson-box {
    width: 95%;
    height: auto;
    border: 1px solid #888888;
    margin: 5% auto;
  }
  .lesson-box .lesson-title {
    display: table;
    margin: 3% auto;
    color: #0e3071;
    font-weight: normal;
    border-bottom: 2px solid #0e3071;
    padding-bottom: 2%;
  }
  .lesson-box .lesson-message {
    margin: 5%;
    font-size: 0.8em;
    letter-spacing: 2px;
    line-height: 1.4;
  }
  .lesson-box .youtube-embedded {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    margin-bottom: 5%;
  }
  .lesson-box .youtube-embedded iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
  }
  .lesson-box .lesson-picture {
    margin: 5%;
  }
}
/* タブレット向け */
@media all and (min-width: 640px) and (max-width: 1023px) {
  .lesson-box {
    width: 95%;
    height: auto;
    border: 1px solid #888888;
    margin: 5% auto;
  }
  .lesson-box .lesson-title {
    display: table;
    margin: 3% auto;
    color: #0e3071;
    font-weight: normal;
    border-bottom: 2px solid #0e3071;
    padding-bottom: 2%;
  }
  .lesson-box .lesson-message {
    margin: 5% 15%;
    font-size: 0.8em;
    letter-spacing: 2px;
    line-height: 1.4;
  }
  .lesson-box .youtube-embedded {
    width: min(100%, 560px);
    height: auto;
    margin: auto auto 5%;
  }
  .lesson-box .lesson-picture {
    margin: 5% 15%;
  }
}
/* ネットブック向け */
@media all and (min-width: 1024px) and (max-width: 1399px) {
  .lesson-box {
    width: 95%;
    height: auto;
    border: 1px solid #888888;
    margin: 5% auto;
  }
  .lesson-box .lesson-title {
    display: table;
    margin: 3% auto;
    color: #0e3071;
    font-weight: normal;
    border-bottom: 2px solid #0e3071;
    padding-bottom: 2%;
  }
  .lesson-box .lesson-message {
    margin: 5% 15%;
    font-size: 0.8em;
    letter-spacing: 2px;
    line-height: 1.4;
  }
  .lesson-box .youtube-embedded {
    width: min(100%, 560px);
    height: auto;
    margin: auto auto 5%;
  }
  .lesson-box .lesson-picture {
    margin: 5% 15%;
  }
}
/* パソコン向け */
@media all and (min-width: 1400px) {
  .lesson-box {
    width: 1000px;
    height: auto;
    border: 1px solid #888888;
    margin: 5% auto;
  }
  .lesson-box .lesson-title {
    display: table;
    margin: 3% auto;
    color: #0e3071;
    font-weight: normal;
    border-bottom: 2px solid #0e3071;
    padding-bottom: 2%;
  }
  .lesson-box .lesson-message {
    margin: 5% 15%;
    font-size: 0.8em;
    letter-spacing: 2px;
    line-height: 1.4;
  }
  .lesson-box .youtube-embedded {
    width: min(100%, 560px);
    height: auto;
    margin: auto auto 5%;
  }
  .lesson-box .lesson-picture {
    margin: 5% 15%;
  }
}
.martop3 {
	margin-top: 3em;
  font-size: 100%;
}
ul.point {
	list-style-type: disc;
}
ul.point li {
	list-style-type: disc;
	margin-left: 40px;
	font-size: 85%;
	margin-top: 0.8em;
	margin-bottom: 0.8em;
}
p.bold600 ,
ul.point li span {
	font-size: 100%;
	font-weight: 600;
	color: navy;
}


.section-img {
	text-align: center;
	padding-bottom: 3em;
}

.section-img img.lesson-img1 {
	width: 480px;
	height: auto;
}
/* スマートフォン向け */
@media all and (max-width: 639px) {
	.section-img img.lesson-img1 {
		width: 300px;
		height: auto;
	}
	@media all and (max-width: 360px) {
		.section-img img.lesson-img1 {
			width: 200px;
			height: auto;
		}
	}
}
.section-img img.lesson-img2 {
	width: auto;
	height: 240px;
}

span.bold {
  font-weight: bold;
}