:root {
  --nikko-dark-blue: rgba(6, 40, 104, 1);
  --nikko-pale-blue: rgba(190, 215, 237, 0.6);
}
body {
  font-family: "Noto Sans JP", sans-serif;
}
header,
footer {
  background-color: var(--nikko-dark-blue);
}
main {
  background-color: #ecf3fa;
}
footer {
  height: 120px;
}

div.nikko__eBooksSubscription--logoArea p {
  color: #666;
}
div.nikko__eBooksSubscription--headerTxt {
  height: 50px;
}
div.nikko__eBooksSubscription--headerTxt a {
  line-height: 50px;
  text-decoration: none;
  color: #fff;
  font-size: 1.5vw;
}
div.nikko__eBooksSubscription--headerTxt a:hover {
  text-decoration: underline;
}
div.nikko__eBooksSubscription--headerTxt a::before {
  content: "";
  width: 10px;
  height: 10px;
  border-right: 1px solid #fff;
  border-top: 1px solid #fff;
  display: inline-block;
  transform: rotate(225deg);
}
div.nikko__eBooksSubscription--logoArea {
  background-color: #fff;
}
div.nikko__eBooksSubscription--logoArea a,
div.nikko__eBooksSubscription--logoArea a:hover {
  color: #fff;
}
div.nikko_70thTitle {
  position: relative;
  color: #fff;
}
div.nikko_70thTitle h1 {
  position: absolute;
  top: 50%;
  left: 5%;
  transform: translate(-5%, -50%);
  font-size: 4vw;
  font-weight: bold;
}
div.nikko_70thTitle h1 span {
  font-size: 2vw;
}

main {
  position: relative;
}
.nikko__eBooksSubscription--btmBtn {
  position: fixed;
  bottom: 1%;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  margin: auto;
  display: flex;
  justify-content: center;
  z-index: 20;
}
.nikko__eBooksSubscription--btmBtn a {
  color: rgb(20, 20, 1);
  background-color: rgb(255, 220, 63);
  border-radius: 20px;
  text-decoration: none;
  padding: 1rem 2rem;
  font-size: 1.8rem;
  transition: all 0.3s ease;
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.2);
}
.nikko__eBooksSubscription--btmBtn a:hover {
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}
.nikko__eBooksSubscription--mv div {
  position: relative;
}
.nikko__eBooksSubscription--mv div h1 {
  position: absolute;
  left: 5%;
  top: 50%;
  transform: translateY(-50%);
  font-size: 4rem;
  text-shadow: 0 0 4px #fff, 0 0 8px #fff, 0 0 12px #fff, 0 0 16px #fff,
    0 0 20px #fff, 0 0 24px #fff, 0 0 28px #fff;
}
.nikko__eBooksSubscription--mv img {
  width: 100%;
  height: auto;
}
.nikko__eBooksSubscription section:not(:first-of-type) {
  margin-right: 2rem;
  margin-left: 2rem;
}
.nikko__eBooksSubscription--lead p {
  font-size: 1.8rem;
  font-weight: bold;
}
.nikko__eBooksSubscription--lead ul {
  margin: auto;
  width: 65%;
}

.nikko__eBooksSubscription--lead ul li {
  font-size: 1.5rem;
  border-bottom: 2px dotted #949494;
  padding: 0.5rem 1rem;
}
.nikko__eBooksSubscription--wrap {
  padding: 2rem;
}
.nikko__eBooksSubscription--txt p:first-child {
  font-size: 1.8rem;
}
.nikko__eBooksSubscription--txt p:nth-child(2) {
  font-size: 1.8rem;
  margin-top: 0.5rem;
}
.nikko__eBooksSubscription--txt p:first-child span {
  font-size: 2.5rem;
  font-weight: bold;
  padding: 0 0.5rem;
  margin: 0 0.5rem;
  background-image: linear-gradient(
    transparent 60%,
    rgba(255, 205, 66, 0.5) 60%
  );
}
.nikko__eBooksSubscription--txt p:last-child {
}
.nikko__eBooksSubscription--detail {
  border-radius: 10px;
  padding: 2rem;
}
.nikko__eBooksSubscription--detail > ul > li {
  border: 2px solid #656565;
  border-radius: 20px;
  padding: 2rem 1rem 1rem;
  margin-top: 2rem;
  position: relative;
  width: 23%;
}
.nikko__eBooksSubscription--detail ul li picture {
  position: absolute;
  top: -2rem;
  left: 50%;
  transform: translateX(-50%);
}
.nikko__eBooksSubscription--detail ul li img {
  width: 16rem;
  height: auto;
}
.nikko__eBooksSubscription--detail--btn li {
  display: flex;
  justify-content: center;
  margin: 5px auto 10px;
  padding: 0.5rem .5rem;
  font-size: 14px;
  border-radius: 3px;
  box-shadow: 0 2px 3px rgba(0, 0, 0, 0.2);
  width: 75%;
}
.nikko__eBooksSubscription--detail--btn li:hover {
  opacity: 0.7;
}
.nikko__eBooksSubscription--detail--btn li a {
  color: #fff !important;
  font-weight: bold !important;
  text-decoration: none;
  font-size: 120%;
  display: flex;
  flex-direction: column;
  align-items: center;
}
/* .nikko__eBooksSubscription--detail--btn li:nth-child(1) {
  background-color: #2ab32a;
}
.nikko__eBooksSubscription--detail--btn li:nth-child(2) {
  background-color: rgb(198, 71, 166);
}
.nikko__eBooksSubscription--detail--btn li:nth-child(3) {
  background-color: #2699e1;
}
.nikko__eBooksSubscription--detail--btn li:nth-child(4) {
  background-color: #ffef73;

} */
 .nikko__eBooksSubscription--detail--btn li:nth-child(1) {
  background-color: rgb(198, 71, 166);
}
.nikko__eBooksSubscription--detail--btn li:nth-child(2) {
  background-color: #ffef73;

}
/* .nikko__eBooksSubscription--detail--btn li:nth-child(4) a {
      color: #202020 !important;
}
.nikko__eBooksSubscription--detail--btn li:nth-child(4) a span:first-child {
    line-height: 1.1;font-size: 90%;text-align: center;margin-bottom: .5rem;
}
.nikko__eBooksSubscription--detail--btn li:nth-child(4) a span:last-child {
  color: red;
} */
 .nikko__eBooksSubscription--detail--btn li:nth-child(2) a {
      color: #202020 !important;
}
.nikko__eBooksSubscription--detail--btn li:nth-child(2) a span:first-child {
    line-height: 1.1;font-size: 90%;text-align: center;margin-bottom: .5rem;
}
.nikko__eBooksSubscription--detail--btn li:nth-child(2) a span:last-child {
  color: red;
}
.nikko__eBooksSubscription--detail--btn
  li.nikko__eBooksSubscription--detail--btn--dl {
  background-color: rgb(0, 0, 161);
}
.nikko__eBooksSubscription--detail--btn li.nikko__eBooksSubscription--detail--btn--dl a {
    color: #fff !important;
}
.nikko__eBooksSubscription--note {
  background-color: rgb(255, 214, 214);
  border: 2px solid rgb(190, 0, 0);
  border-radius: 20px;
  width: 80%;
  margin: auto;
  padding: 2rem;
}
.nikko__eBooksSubscription--note p {
  font-size: 1.5rem;
  font-weight: bold;
}
.nikko__eBooksSubscription--note ul li {
  margin: 0.5rem 0;
  line-height: 1.4;
}
.nikko__eBooksSubscription--inquiry {
  padding-top: 3rem;
  padding-bottom: 3rem;
}
.nikko__eBooksSubscription--inquiry div {
  background-color: #09aad7;
  width: 40%;
  margin: auto;
  padding: 0.5rem;
  border-radius: 50px;
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.2);
}
.nikko__eBooksSubscription--inquiry div:hover {
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  opacity: 0.8;
}
.nikko__eBooksSubscription--inquiry div a {
  color: #fff;
  font-weight: bold;
  text-decoration: none;
  font-size: 1.8rem;
  transition: all 0.3s ease;
}
.nikko__eBooksSubscription--inquiry span {
  display: flex;
  align-items: center;
  justify-content: center;
}
.nikko__eBooksSubscription--inquiry--icon {
  width: 2rem;
  height: auto;
  margin-right: 0.5rem;
}


/* Extra small devices (portrait phones, less than 576px) */
@media (max-width: 575.98px) {
  div.nikko__eBooksSubscription--logoArea p {
    font-size: 3vw;
  }
  div.nikko__eBooksSubscription--logoArea img {
    width: 65%;
  }
  div.nikko__eBooksSubscription--headerTxt a {
    font-size: 4vw;
  }
  div.nikko_70thTitle h1 {
    left: 7%;
    transform: translate(-7%, -50%);
    font-size: 8vw;
  }
  div.nikko_70thTitle h1 span {
    font-size: 5vw;
  }
  .nikko__eBooksSubscription section:not(:first-of-type) {
    margin-right: 1rem;
    margin-left: 1rem;
  }
  .nikko__eBooksSubscription--mv div h1 {
    font-size: 3rem;
  }
  .nikko__eBooksSubscription--lead p {
    font-size: 1.4rem;
  }
  .nikko__eBooksSubscription--lead ul {
    width: 100%;
  }
  .nikko__eBooksSubscription--lead ul li {
    font-size: 1.2rem;
  }
  .nikko__eBooksSubscription--wrap {
    padding: 2rem 0.5rem;
  }
  .nikko__eBooksSubscription--detail--btn li {
    width: 90%;
  }
  .nikko__eBooksSubscription--txt p:first-child,
  .nikko__eBooksSubscription--txt p:nth-child(2) {
    font-size: 1.3rem;
  }
  .nikko__eBooksSubscription--txt p:first-child span {
    font-size: 1.5rem;
  }
  .nikko__eBooksSubscription--txt p:last-child {
    font-size: 90%;
    text-align: center !important;
  }
  .nikko__eBooksSubscription--detail > ul > li {
    width: 100%;
    margin-bottom: 2rem;
  }
  .nikko__eBooksSubscription--note {
    width: 90%;
    padding: 1rem;
  }
  .nikko__eBooksSubscription--inquiry div {
    width: 95%;
  }
  .nikko__eBooksSubscription--inquiry div a {
    font-size: 1.4rem;
  }
  .nikko__eBooksSubscription--btmBtn {
    width: 95%;
  }
  .nikko__eBooksSubscription--btmBtn a {
    font-size: 1.3rem;
  }
}
/* large smartphone */
@media (min-width: 576px) {
  .nikko__eBooksSubscription--detail > ul > li {
    width: 100%;
    margin-bottom: 2rem;
  }
  .nikko__eBooksSubscription--txt p:first-child,
  .nikko__eBooksSubscription--txt p:nth-child(2) {
    font-size: 1.5rem;
  }
  .nikko__eBooksSubscription--txt p:first-child span {
    font-size: 2rem;
  }
  .nikko__eBooksSubscription--txt p:last-child {
    text-align: center !important;
  }
  .nikko__eBooksSubscription--inquiry div {
    width: 80%;
  }
  .nikko__eBooksSubscription--note {
    width: 95%;
  }
  .nikko__eBooksSubscription--inquiry div a {
    font-size: 1.3rem;
  }
  .nikko__eBooksSubscription--btmBtn a {
    font-size: 1.3rem;
  }
}

/* Tablet */
@media (min-width: 768px) {
    .nikko__eBooksSubscription--lead ul {
        width: 90%;
    }
    .nikko__eBooksSubscription--detail {
        padding: 2rem 0 0;
    }
    .nikko__eBooksSubscription--detail > ul > li {
        padding-left: 0;
        padding-right: 0;
    }
  .nikko__eBooksSubscription--detail > ul > li {
    width: 48%;
    margin-bottom: 2rem;
    margin-right: 1%;
    margin-left: 1%;
  }
  .nikko__eBooksSubscription--inquiry div {
    width: 65%;
  }
  .nikko__eBooksSubscription--inquiry div a {
    font-size: 1.8rem;
  }
  .nikko__eBooksSubscription--btmBtn a {
    font-size: 1.8rem;
  }
}

/* PC */
@media (min-width: 992px) {
}

/* PC Extra Large */
@media (min-width: 1200px) {
    .nikko__eBooksSubscription--lead ul {
        width: 65%;
    }
  .nikko__eBooksSubscription--detail > ul > li {
width: 30% !important;
        margin-right: 1.5%;
        margin-left: 1.5%;
  }
}