.test-title {
  font-size: 20px;
  padding-bottom: 10px;
  margin-bottom: 10px;
  border-bottom: 1px solid #111;
}
@media screen and (min-width: 768px) {
  .test-title {
    font-size: 24px;
  }
}

.test-title span {
  display: block;
  color: rgba(34, 34, 34, 0.2);
  font-size: 30px;
  padding-right: 0.5em;
  font-family: "Oswald", sans-serif;
}
@media screen and (min-width: 768px) {
  .test-title span {
    font-size: 36px;
  }
}
@media screen and (min-width: 1080px) {
  .test-title span {
    display: inline;
  }
}

.test-title + img {
  margin-bottom: 10px;
}

.text-image {
  text-align: center;
}

.text-image p {
  margin-top: 5px;
}

.text-image p strong {
  color: #c62828;
}

.explanation {
  position: relative;
  padding-bottom: 60px;
}

.explanation::after {
  display: block;
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  background: url(../images/explanation-arrow.png) center bottom/auto 28px no-repeat;
  width: auto;
  height: 28px;
}

.explanation:last-child {
  padding-bottom: 0;
}

.explanation:last-child::after {
  display: none;
}

.explanation-title2 {
  margin-bottom: 20px;
}
@media screen and (min-width: 768px) {
  .explanation-title2 {
    letter-spacing: -0.5em;
  }
}

@media screen and (min-width: 768px) {
  .explanation-title2 > div {
    display: inline-block;
    letter-spacing: normal;
    vertical-align: middle;
  }
}

.explanation-title2 > div:first-child {
  width: 80px;
  margin-bottom: 10px;
}
@media screen and (min-width: 768px) {
  .explanation-title2 > div:first-child {
    width: 100px;
    padding-right: 20px;
    margin-bottom: 0;
  }
}

@media screen and (min-width: 768px) {
  .explanation-title2 > div:last-child {
    width: calc(100% - 120px);
  }
}

.explanation-title2 h3 {
  font-size: 20px;
}
@media screen and (min-width: 768px) {
  .explanation-title2 h3 {
    font-size: 24px;
  }
}

.explanation-title2 h3 br {
  display: none;
}
@media screen and (min-width: 1080px) {
  .explanation-title2 h3 br {
    display: block;
  }
}

.explanation-image {
  text-align: center;
  display: inline-block;
}

.explanation-image img {
  border: 1px solid #111;
}

.explanation-image3,
.explanation-image6 {
  margin-top: 10px;
  text-align: center;
}

.explanation-image3-2 {
  letter-spacing: -0.5em;
}

.explanation-image3-2 img {
  display: inline-block;
  letter-spacing: normal;
  margin-right: 10px;
  width: calc(33.33333% - 10px);
}

.explanation-image5 {
  display: table;
  table-layout: fixed;
  width: 100%;
}

@media screen and (min-width: 768px) {
  .explanation-image5 > div {
    display: table-cell;
    vertical-align: middle;
  }
}

@media screen and (min-width: 768px) {
  .explanation-image5 > .explanation-image {
    width: calc(50% - 12px);
  }
}

.explanation-arrow5 {
  text-align: center;
  margin: 10px auto;
}
@media screen and (min-width: 768px) {
  .explanation-arrow5 {
    width: 24px;
    margin: auto;
  }
}

.explanation-arrow5 img {
  vertical-align: middle;
}

.explanation-excalc {
  background: rgba(34, 34, 34, 0.1) url(../../common/images/bg-stripe.png);
  padding: 5px 10px;
  font-size: 20px;
  text-align: center;
}