h1 {
  position: relative;
  padding: .3em;
  text-align: center;
  color: #e60 !important;
}

h1::before,
h1::after {
  position: absolute;
  left: 0;
  content: '';
  width: 100%;
  height: 6px;
  box-sizing: border-box;
}

h1::before {
  top: 0;
  border-top: 2px solid #f80;
  border-bottom: 1px solid #f80;
}

h1::after {
  bottom: 0;
  border-top: 1px solid #f80;
  border-bottom: 2px solid #f80;
}

h2 {
  position: relative;
  padding: .1em .3em .1em 1.8em;
  background: #90CAF9;
  border-radius: 4px;
  color: white !important;
}

h2:before,
h2:after {
  content: "";
  position: absolute;
  display: block;
}

h2:before {
  top: -0.1em;
  left: 0.5em;
  width: 20px;
  height: 23px;
  padding: 5px 0 0 0;
  background: #1976D2;
  text-align: center;
}

h2:after {
  top: .35em;
  left: .5em;
  width: 0;
  height: 0;
  border: 10px solid;
  border-color: transparent #1976D2;
}

h3 {
  color: brown !important;
  position: relative;
  padding: .1em .3em .1em 1.6em;
}

h3::before,
h3::after {
  position: absolute;
  content: "□";
  width: 4px;
  height: 4px;
  color: #FBC02D;
}

h3::before {
  left: 0;
  top: 0;
}

h3::after {
  left: 5.5px;
  top: 7.5px;
}


#content a {
  text-decoration: none !important;
  color: royalblue !important;
}

#content a:hover {
  text-decoration: underline !important;
  color: royalblue !important;
}

figcaption {
  color: dimgray !important;
  width: fit-content;
  margin: auto;
}

#content p {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

#content ul,
ol {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  font-size: unset;
}

#content ul li {
  list-style: disc;
  padding-left: unset;
  margin: auto;
}

#content ol li {
  list-style: decimal;
  padding-left: unset;
  margin: auto;
}

#content li::before {
  content: unset;
}

#content li :last-child {
  margin-bottom: unset;
}

#content li :first-child {
  margin-top: unset;
}

/* Youtube Embbed Video */
figure.youtube {
  margin: auto;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-width: 560px;
}

figure.youtube iframe {
  width: 100%;
  height: 100%;
}

/* floatbox */
.floatbox img {
  margin: 0;
}

.floatbox {
  margin: 8px auto !important;
}

.balloon,
.balloon_right {
  width: 100%;
  margin-top: 0.5em !important;
  overflow: hidden;
}

.balloon .faceicon {
  float: left;
  margin-right: -90px;
  width: 80px;
}

.balloon .faceicon img,
.balloon_right .faceicon_right img {
  width: 100%;
  height: auto;
  border: solid 3px #d7ebfe;
}

.balloon .faceicon p,
.balloon_right .faceicon_right p {
  text-align: center;
  top: -10px;
  position: relative;
}

.balloon .chatting,
.balloon_right .chatting {
  width: 100%;
}

.says {
  position: relative;
  margin: 5px 0 0 105px;
  padding: 17px 13px;
  border-radius: 12px;
  background: #FFF;
  border: solid 3px #d7ebfe;
}

.says:before {
  content: "";
  position: absolute;
  top: 34px;
  left: -20px;
  margin-top: -16px;
  border: 12px solid transparent;
  border-right: 12px solid #FFF;
  z-index: 2;
}

.says:after {
  content: "";
  display: inline-block;
  position: absolute;
  top: 18px;
  left: -24px;
  border: 12px solid transparent;
  border-right: 12px solid #d7ebfe;
}

.says p,
.says_right p {
  margin: 0;
  padding: 0;
}

.balloon_right .faceicon_right {
  float: right;
  margin-right: 0px;
  width: 80px;
}

.says_right {
  position: relative;
  margin: 5px 105px 0 0px;
  padding: 17px 13px;
  border-radius: 12px;
  background: #FFF;
  border: solid 3px #d7ebfe;
}

.says_right:before {
  content: "";
  position: absolute;
  top: 34px;
  right: -20px;
  margin-top: -16px;
  border: 12px solid transparent;
  border-left: 12px solid #FFF;
  z-index: 2;
}

.says_right:after {
  content: "";
  display: inline-block;
  position: absolute;
  top: 18px;
  right: -24px;
  border: 12px solid transparent;
  border-left: 12px solid #d7ebfe;
}

/* costomize */
.faceicon img,
.faceicon_right img {
  margin: 0;
  border-radius: 50%;
  background-color: white;
  border: solid 2px #d7ebfe !important;
}

.balloon .faceicon,
.balloon_right .faceicon_right {
  width: 100px;
}

.balloon,
.balloon_right {
  margin: 0 auto;
  max-width: 800px;
}

.says {
  margin: 15px 0 0 115px;
  border: solid 2px #c99;
  background-color: #fed;
  width: fit-content;
  padding: 17px 24px;
}

.says:before {
  left: -21px;
  border-right: 12px solid #fed;
}

.says:after {
  border-right: 12px solid #c99;
}

.says_right {
  margin: 15px 115px 0 auto;
  /*    text-align: right; */
  border: solid 2px #c99;
  background-color: #fee;
  width: fit-content;
  padding: 17px 24px;
}

.says_right:before {
  right: -21px;
  border-left: 12px solid #fee;
}

.says_right:after {
  border-left: 12px solid #c99;
}

.says_right p {
  width: fit-content !important;
  margin: auto !important;
  margin-right: 0 !important;
}

.faceicon p,
.faceicon_right p {
  font-size: small;
  margin: 0;
  top: 0 !important;
}



.tamathink {
  position: relative;
  margin: 15px 0 0 145px;
  /* padding: 17px 13px; */
  border-radius: 12px;
  background: #fed;
  border: solid 2px #edc;
  width: fit-content;
  padding: 17px 24px;
}

.tamathink p {
  margin: 0;
  padding: 0;
  color: gray;
}

.think-l-bal-s {
  /* display: inline-block; */
  position: relative;
  left: 96px;
  top: 28px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fed;
  border: solid 2px #edc;
  float: left;
}

.think-l-bal-l {
  /* display: inline-block; */
  position: relative;
  left: 100px;
  top: 22px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fed;
  border: solid 2px #edc;
  float: left;
}

summary.blockprogram {
  background-color: seagreen;
}

summary.lesson {
  background-color: royalblue;
}

summary {
  cursor: pointer;
  color: white;
  margin: auto;
  padding: .5em 1em;
}

details.lesson {
  margin: 1em auto;
  padding: 0;
  max-width: 800px;
}

details.lesson div.lesson {
  padding: .5em 1em;
}

details.lesson[open] div.lesson {
  background-color: white;
  border: royalblue 1px solid;
  border-top: 0;
  animation: fadeIn 0.5s ease;
}

/* @keyframes fadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
} */

details.lesson[open] div.slide {
  padding: 0;
  margin: 0;
  animation: slideIn 0.5s ease;
}

@keyframes slideIn {
  0% {
    transform: translateX(-10px);
  }

  100% {
    transform: none;
  }
}

/* Marker */
span.mfy {
  background: linear-gradient(transparent 60%, yellow 60%) !important;
}

span.mfr {
  background: linear-gradient(transparent 60%, pink 60%) !important;
}

span.mfb {
  background: linear-gradient(transparent 60%, aqua 60%) !important;
}

span.mfg {
  background: linear-gradient(transparent 60%, lightgreen 60%) !important;
}

/* Blogcard */
div.card {
  max-width: 800px;
  margin: 1em auto 2em;
}

.blogcard {
  display: grid;
  grid-gap: .3rem 1rem;
  align-content: start;
  max-width: 35rem;
  max-height: 100px;
  color: #2c2d30;
  line-height: normal;
  background-color: white;
  width: fit-content;
  position: relative;
  top: 0;
  transition: all .3s linear !important;
  border-radius: .25rem;
  overflow: hidden;
}

.blogcard:hover {
  top: -3px !important;
  box-shadow: 2px 3px 3px rgba(0, 0, 0, 0.3);
}

.blogcard:hover img {
  opacity: 0.7;
  transition: all .3s linear !important;
}

.blogcard::before {
  content: "";
  grid-column: 1 / 2;
  grid-row: 1 / 4;
  width: .25rem;
  height: 100%;
  background: #e3e4e6;
  /* border-radius: .2rem; */
}

.blogcard>* {
  grid-column: 2 / 3;
}

/* .blogcard__heading,
.blogcard__description {
  margin: 0 !important;
} */

.blogcard__heading {
  line-height: 1.0 !important;
  margin: 0 !important;
}

.blogcard__description {
  font-size: small;
  margin: 0 !important;
}

.blogcard__link {
  text-decoration: none !important;
  color: #3081b7 !important;
}

.blogcard__image {
  grid-column: 3 / 4;
  grid-row: 1 / 4;
  /* align-self: center; */
  width: 100px;
  height: 100px;
  object-fit: cover;
  margin: 0 !important;
  border-radius: 0 .25rem .25rem 0;
}

.blogcard__logo {
  max-width: 1rem;
  height: auto;
  margin: 4px 0 0 0 !important;

}

.blogcard__publisher {
  padding-top: 3px;
}

.blogcard__meta {
  font-size: small;
  grid-row: 1 / auto;
  display: grid;
  grid-template-columns: max-content 1fr;
  grid-gap: .25rem;
  color: #a1a1a8;
  font-weight: bold;
  padding-top: 0px;
  margin-top: 2px !important;
}

.blogcard+.blogcard {
  margin-block-start: 2rem;
}

/* アイコン付きボックス */
.iconbox {
  position: relative;
  margin: auto;
  margin-top: 44px !important;
  padding: 0.5em 1em;
  border: solid 3px deeppink;
  max-width: 800px;
}

.iconbox .box-title {
  position: absolute;
  display: inline-block;
  top: -40px;
  left: -3px;
  padding: 3px 9px;
  height: 40px;
  line-height: 25px;
  font-size: 32px;
  background: deeppink;
  color: #ffffff;
  font-weight: bold;
  border-radius: 5px 5px 0 0;
}

.iconbox p {
  margin: 0;
  padding: 0;
}

th,
td {
  border: solid 1px;
  border-color: lightgray;
  padding: 10px !important;
  font-size: initial;
}

table {
  max-width: 800px;
  margin: auto;
  border-collapse: collapse;
}

blockquote {
  max-width: 800px;
  margin: auto;
}

div.imgbox {
  max-width: 600px;
  margin: 24px auto;
  padding: 16px;
  border-radius: 16px;
  border: white solid 4px;
}

div.imgbox p {
  font-size: larger;
  margin: auto;
  width: fit-content;
  font-weight: bold;
  color: magenta;
}

p.tsukkomi {
  font-size: small;
  color: lightgray;
  margin-right: 0 !important;
  width: fit-content;
}

.box_stripe {
  max-width: 800px;
  margin: 24px auto;
  padding: 1em 2em;
  background: -webkit-repeating-linear-gradient(-45deg, #f0f8ff, #f0f8ff 3px, #e9f4ff 3px, #e9f4ff 7px);
  background: repeating-linear-gradient(-45deg, #f0f8ff, #f0f8ff 3px, #e9f4ff 3px, #e9f4ff 7px);
}

.box_stripe p {
  margin: 0;
  padding: 0;
}

img.inline {
  display: inline-block;
  width: auto;
  margin: 0;
  vertical-align: top;
}

span.tsubuyaki {
  font-size: small;
  color: gray;
}

pre {
  max-width: 800px;
  margin: 0 auto;
}

figure.center {
  margin: auto;
  width: fit-content;
}

figure.center figcaption {
  margin: 8px auto auto;
}

#disqus_thread {
  padding-top: 4px;
  border-top-style: solid;
  border-top-color: #eee;
  border-top-width: 2px;
}

code::before {
  content: '' !important;
}

code::after {
  content: '' !important;
}

code {
  background-color: gainsboro;
  padding: 2px 6px;
  border-radius: 3px;
}