img {
  max-width: 100%;
  height: auto;
}

main {
  --content-width: 100rem;
  margin-inline: auto;
  padding-block: 6.6rem 8rem;
  width: var(--content-width);
  overflow-x: clip;
}

h1 {
  color: var(--color-red);
  text-align: center;
  font-size: 1.6rem;
}

.customer-program hgroup {
  margin-top: 3.6rem;
}

.customer-program hgroup p {
  margin-inline: auto;
  width: 48.2rem;
}

.customer-program hgroup h2 {
  margin-top: 1.6rem;
  text-align: center;
  font-size: 1.6rem;
  font-weight: 400;
}

.customer-program .rank-list {
  display: grid;
  grid-template-columns: repeat(4, 10.2rem);
  justify-content: center;
  column-gap: 5.6rem;
  margin-top: 7.6rem;
}

.customer-program .intro {
  margin-top: 9.4rem;
}

.customer-program .intro strong {
  display: block;
  text-align: center;
  font-size: 1.8rem;
}

.customer-program .intro p {
  margin-top: 3.4rem;
  text-align: center;
  font-size: 1.6rem;
  line-height: 1.8;
  letter-spacing: 0.1em;
}

.rank-service {
  margin-top: 15rem;
}

.rank-service hgroup p {
  margin-inline: auto;
  width: 27.2rem;
}

.rank-service hgroup h2 {
  margin-top: 1.6rem;
  text-align: center;
  font-size: 1.6rem;
  font-weight: 400;
}

.rank-service hgroup::after {
  content: "";
  display: block;
  margin-top: 2.4rem;
  margin-inline: auto;
  width: 3rem;
  height: 1px;
  background-color: var(--color-red);
}

.rank-service .intro {
  margin-top: 3.8rem;
}

.rank-service .intro p {
  text-align: center;
  font-size: 1.6rem;
  line-height: 1.8;
}

.rank-service .rank-description {
  margin-top: 5.6rem;
}

.rank-service .rank-description .remarks-list li {
  font-size: 1.2rem;
  line-height: 1.6;
}

.rank-service .rank-description .remarks-list li span {
  color: #ad2b19;
}

.rank-service .rank-description .table {
  margin-block: 1.2rem;
}

.rank-service .rank-description .table figure {
  width: 100%;
}

.rank-service h3  {
  border-radius: 1rem;
  padding-block: 1.4rem;
  background-color: var(--color-gray);
  color: var(--color-red);
  text-align: center;
  font-size: 2rem;
}

.rank-service .rank-benefit {
  margin-top: 6.4rem;
}

.rank-service .rank-benefit .benefit-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4rem;
  margin-top: 4rem;
}

.rank-service .rank-benefit .benefit-list > li .details {
  overflow: clip;
  border-radius: 1rem;
}

.rank-service .rank-benefit .benefit-list > li .summary {
  position: relative;
  padding: 1.7rem 4rem;
  border-radius: 1rem;
  background-color: #000;
}

.rank-service .rank-benefit .benefit-list > li .summary .text {
  color: #fff;
  font-size: 1.6rem;
  font-weight: 500;
}

.rank-service .rank-benefit .benefit-list > li .summary .icon {
  position: absolute;
  top: 50%;
  right: 1.6rem;
  transform: translateY(-50%);
  border: 1px solid var(--color-white);
  border-radius: 50%;
  width: 2.5rem;
  height: 2.5rem;
  z-index: 1;
}

.rank-service .rank-benefit .benefit-list > li .summary .icon::before,
.rank-service .rank-benefit .benefit-list > li .summary .icon::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 1.3rem;
  height: 1px;
  background-color: var(--color-white);
  z-index: 1;
}

.rank-service .rank-benefit .benefit-list > li .summary .icon::before {
  transform: translateY(-50%) rotate(90deg);
  transition: transform 0.4s ease;
}

.rank-service .rank-benefit .benefit-list .accordion[data-expanded="true"] .summary {
  border-radius: 1rem 1rem 0 0;
}

.rank-service .rank-benefit .benefit-list .accordion[data-expanded="true"] .summary .icon::before {
  transform: translateY(-50%) rotate(0deg);
}

.rank-service .rank-benefit .benefit-list > li .content {
  padding-bottom: 0rem;
  background-color: #000;
  transition: none;
  height: 0;
  opacity: 0;
}

.rank-service .rank-benefit .benefit-list .accordion[data-expanded="true"] .content {
  padding-bottom: 4rem;
}

.rank-service .rank-benefit .benefit-list > li .content > .inner {
  margin-inline: auto;
  width: 74%;
  padding: 3rem;
  border-radius: 1rem;
  background-color: #fff;
  box-sizing: content-box;
}

.rank-service .rank-benefit .benefit-list > li .content figure {
  margin-inline: auto;
}

.rank-service .rank-benefit .benefit-list > li .content figure figcaption {
  text-align: center;
  margin-block: 1rem 0;
  font-size: 1.2rem;
}

.rank-service .rank-benefit .benefit-list > li .content dl {
  padding-block: 2rem;
}

.rank-service .rank-benefit .benefit-list > li .content dt {
  color: var(--color-red);
  font-size: 1.4rem;
  font-weight: 600;
}

.rank-service .rank-benefit .benefit-list > li .content dd {
  margin-top: 1.2rem;
  font-size: 1.4rem;
  line-height: 1.8;
}

.rank-service .rank-benefit .benefit-list > li .content small {
  display: block;
  font-size: 1.2rem;
  line-height: 1.8;
}

.rank-service .rank-benefit .benefit-list > li .content small span {
  text-decoration: underline;
}

.benefit-list li .image-step {
  width: 79.2% !important;
}

.benefit-list li:nth-of-type(1) .image-area figure {
  width: 68.1%;
}

.benefit-list li:nth-of-type(2) .image-area figure {
  width: 68.1%;
}

.benefit-list li:nth-of-type(3) .image-area figure {
  width: 68.1%;
}

.benefit-list li:nth-of-type(4) .image-area figure {
  width: 68.1%;
}

.benefit-list li:nth-of-type(5) .image-area figure {
  width: 68.1%;
}

.rank-service .benefit-list li:nth-of-type(6) .image-step {
  width: 87.4% !important;
}

.rank-service .rank-period {
  margin-top: 8rem;
}

.rank-service .rank-period .intro {
  margin-top: 2rem;
  text-align: center;
  font-size: 1.4rem;
  line-height: 2;
}

.rank-service .rank-period .table-title {
  margin-top: 3rem;
  text-align: center;
  font-size: 1.6rem;
}

.rank-service .rank-period .table {
  margin-top: 1.6rem;
  padding: 3.2rem 1.8rem;
  border: 1px solid;
}

.rank-service .rank-period .table figure {
  width: 100%;
}

.rank-service .service-overview {
  margin-top: 8rem;
}

.rank-service .service-overview .overview-list {
  margin-top: 3rem;
}

.rank-service .service-overview .overview-list li + li {
  margin-top: 5rem;
}

.rank-service .service-overview .overview-list dt {
  padding-bottom: 1.6rem;
  border-bottom: 1px solid var(--color-gray);
  color: var(--color-red);
  font-size: 1.4rem;
  font-weight: 600;
}

.rank-service .service-overview .overview-list dd {
  padding-top: 1.6rem;
}

.rank-service .service-overview .overview-list dd > p {
  font-size: 1.4rem;
  line-height: 2;
}

.rank-service .service-overview .overview-list dd > p > span {
  font-weight: 700;
}

.rank-service .service-overview .overview-list dd > p + p {
  margin-top: 3rem;
}

.rank-service .service-overview .overview-list dd strong {
  display: block;
  color: var(--color-red);
}

.rank-service .service-overview .overview-list dd small {
  display: block;
  font-size: 1.2rem;
  line-height: 2;
}

.rank-service .link-btn {
  position: relative;
  text-align: center;
  margin-block: 8rem 0;
  border-radius: 1.5rem;
  background-color: var(--color-red);
  padding-block: 1.5rem;
  font-size: 1.8rem;
  line-height: 1.78;
  color: var(--color-white);
}

.rank-service .link-btn::before {
  content: "";
  position: absolute;
  width: 1.3rem;
  height: 1.3rem;
  border: 0;
  border-bottom: solid 2px var(--color-white);
  border-right: solid 2px var(--color-white);
  top: 50%;
  transform: translateY(-50%) rotate(-45deg);
  right: 2.5rem;
  z-index: 1;
}

@media (max-width: 767px) {
  main {
    --content-width: 65rem;
    padding-block: 6rem 9.4rem;
  }
  
  h1 {
    font-size: 3rem;
  }
  
  .customer-program hgroup p {
    text-align: center;
    width: 100%;
  }
  
  .customer-program hgroup h2 {
    margin-top: 2.8rem;
    font-size: 3rem;
  }
  
  .customer-program .rank-list {
    grid-template-columns: repeat(4, 10rem);
    margin-top: 9.2rem;
  }
  
  .customer-program .intro {
    margin-top: 11rem;
  }
  
  .customer-program .intro strong {
    font-size: 3.2rem;
    line-height: 2;
  }
  
  .customer-program .intro p {
    margin-top: 2.4rem;
    font-size: 2.8rem;
  }

  .rank-service hgroup p {
    text-align: center;
    width: 43rem;
  }
  
  .rank-service hgroup h2 {
    margin-top: 2.8rem;
    font-size: 3rem;
  }
  
  .rank-service .intro {
    margin-top: 6rem;
  }

  .rank-service .intro p {
    font-size: 2.8rem;
    line-height: 2;
  }
  
  .rank-service .rank-description {
    margin-top: 6.6rem;
  }
  
  .rank-service .rank-description .remarks-list li {
    font-size: 2.4rem;
  }

  .rank-service .rank-description .table {
    margin-block: 1.2rem;
    overflow-y: scroll;
  }
  
  .rank-service .rank-description .table figure {
    width: 1000px;
  }

  .rank-service .rank-description .table-swipe {
    margin-top: 4rem;
    margin-left: auto;
    width: 28rem;
  }

  .rank-service h3  {
    padding-block: 2rem;
    font-size: 3.6rem;
  }
  
  .rank-service .rank-benefit {
    margin-top: 8rem;
  }
  
  .rank-service .rank-benefit .benefit-list {
    grid-template-columns: 1fr;
    margin-top: 6rem;
  }
  
  .rank-service .rank-benefit .benefit-list > li .summary {
    padding: 2.4rem 4rem;
  }
  
  .rank-service .rank-benefit .benefit-list > li .summary .text {
    font-size: 3rem;
  }
  
  .rank-service .rank-benefit .benefit-list > li .summary .icon {
    right: 2rem;
    width: 3.5rem;
    height: 3.5rem;
  }
  
  .rank-service .rank-benefit .benefit-list > li .summary .icon::before,
  .rank-service .rank-benefit .benefit-list > li .summary .icon::after {
    width: 1.7rem;
  }

  .rank-service .rank-benefit .benefit-list > li .content > .inner {
    padding: 4rem;
  }

  .rank-service .rank-benefit .benefit-list > li:nth-of-type(1) .content > .inner {
    min-height: initial;
  }

  .rank-service .rank-benefit .benefit-list > li:nth-of-type(3) .content > .inner {
    min-height: initial;
  }

  .rank-service .rank-benefit .benefit-list > li:nth-of-type(5) .content > .inner {
    min-height: initial;
  }
  
  .rank-service .rank-benefit .benefit-list > li .content figure figcaption {
    margin-inline: -3rem;
    font-size: 2.4rem;
  }
  
  .rank-service .rank-benefit .benefit-list > li .content dl {
    margin-block: 4.2rem;
  }
  
  .rank-service .rank-benefit .benefit-list > li .content dt {
    font-size: 2.8rem;
  }
  
  .rank-service .rank-benefit .benefit-list > li .content dd {
    font-size: 2.8rem;
  }
  
  .rank-service .rank-benefit .benefit-list > li .content small {
    font-size: 2.4rem;
  }

  .benefit-list li .image-step {
    width: 77% !important;
  }

  .rank-service .benefit-list li:nth-of-type(6) .image-step {
    width: 87.4% !important;
  }

  .rank-service .rank-period .intro {
    font-size: 2.8rem;
  }
  
  .rank-service .rank-period .table-title {
    font-size: 3.2rem;
  }
  
  .rank-service .rank-period .table {
    margin-top: 3rem;
    overflow-y: scroll;
    padding: 4.2rem 6.6rem;
  }
  
  .rank-service .rank-period .table figure {
    width: 960px;
  }

  .rank-service .rank-period .table-swipe {
    margin-top: 4rem;
    margin-left: auto;
    width: 28rem;
  }
  
  .rank-service .service-overview .overview-list {
    margin-top: 6rem;
  }
  
  .rank-service .service-overview .overview-list li + li {
    margin-top: 8rem;
  }
  
  .rank-service .service-overview .overview-list dt {
    padding-bottom: 3rem;
    font-size: 2.8rem;
    line-height: 1.8;
  }
  
  .rank-service .service-overview .overview-list dd {
    padding-top: 3rem;
  }
  
  .rank-service .service-overview .overview-list dd > p {
    font-size: 2.8rem;
  }
  
  .rank-service .service-overview .overview-list dd > p + p {
    margin-top: 3rem;
  }

  .rank-service .service-overview .overview-list dd small {
    font-size: 2.8rem;
  }
  
  .rank-service .link-btn {
    margin-block: 9rem 0;
    font-size: 3rem;
  }
  .rank-service .link-btn::before {
    width: 1.1rem;
    height: 1.1rem;
    border-bottom: solid 0.2rem var(--color-white);
    border-right: solid 0.2rem var(--color-white);
    right: 3.5rem;
  }
}
.footer {
  border-top: 1px solid black;
}