@charset "utf-8";

.contents-wrap {
  background-color: #fff;
  padding-block: 6rem;
}

.contents-detail-wrap {
  background-color: #fff;
  padding-block: 6rem;
}

.contents-detail-wrap .container {
  padding-inline: 0;
}

.contents-headline {
  background-color: var(--color-key);
  color: #fff;
  font-size: 3.2rem;
  font-weight: var(--font-weight-bold);
  line-height: 1.4;
  padding: .6em .5em;
  text-align: center;
}

.contents-headline__sm {
  display: block;
  font-size: .6em;
  margin-top: .1em;
}

.contents-lists {
  display: grid;
  gap: 4rem 8rem;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 4rem;
  padding-inline: 8rem;
}

.contents-list__thumb {
  margin: 0;
}

.contents-list__thumb img {
  box-shadow: 0 0 2rem rgb(0 0 0 / 20%);
  width: 100%;
}

.contents-list__ttl {
  font-size: 1.8rem;
  font-weight: var(--font-weight-bold);
  line-height: 1.4;
  margin-top: .5em;
}

.contents-detail {
  max-width: 620px;
  margin-inline: auto;
}

.contents-detail__thumb {
  text-align: center;
}

.contents-detail__thumb img {
  max-height: 360px;
  object-fit: contain;
  width: 100%;
}

.contents-detail__title {
  font-size: 32px;
  font-weight: var(--font-weight-bold);
  line-height: 1.5;
  margin-top: 1.5em;
}

.contents-detail__content {
  margin-top: 4rem;
  font-size: 18px;
}

.contents-detail__content>ol,
.contents-detail__content>ul,
.contents-detail__content blockquote,
.contents-detail__content figure,
.contents-detail__content h2,
.contents-detail__content h3,
.contents-detail__content hr,
.contents-detail__content p {
  margin-block: 2em;
  margin-inline: 0;
  padding: 0;
}

.contents-detail__content h2,
.contents-detail__content h3 {
  line-height: 1.5;
  margin-block: 2.5em -.5em;
}

.contents-detail__content h2 {
  font-size: 1.55em;
}

.contents-detail__content h3 {
  font-size: 1.125em;
}

.contents-detail__content p {
  line-height: 2;
}

.contents-detail__content blockquote {
  background-color: var(--gray-vlt);
  font-size: .9em;
  margin-inline: 0;
  padding: 1.5em;
}

.contents-detail__content blockquote>* {
  margin-block: 0;
}

.contents-detail__content a {
  text-decoration: underline;
}

.contents-detail__content ol,
.contents-detail__content ul {
  padding-left: 1.5em;
}

.contents-detail__content ol li,
.contents-detail__content ul li {
  margin-block: .5em;
}

.contents-detail__content ul>li {
  list-style-type: disc;
}

.contents-detail__content ol>li {
  list-style-type: decimal;
}

/* ================================================================
  hoverアニメーション
================================================================ */
@media (hover: hover) and (pointer: fine) {
  .contents-detail__content a:hover {
    text-decoration: none;
  }

  .contents-list a {
    transition: opacity .3s;
  }

  .contents-list a:hover {
    opacity: .8;
  }
}

/* ================================================================
  スマホ版レイアウト
================================================================ */
@media screen and (max-width: 767px) {

  .contents-wrap,
  .contents-detail-wrap {
    padding-block: 4rem;
  }

  .contents-detail-wrap .container {
    padding-inline: 2rem;
  }

  .contents-headline {
    font-size: 1.8rem;
  }

  .contents-lists {
    gap: 3rem;
    grid-template-columns: 1fr;
    margin-top: 2rem;
    padding-inline: 2rem;
  }

  .contents-detail__thumb img {
    max-height: 20rem;
  }

  .contents-detail__title {
    font-size: 2.2rem;
  }

  .contents-detail__content {
    font-size: 1.6rem;
  }

  .contents-detail__content h2 {
    font-size: 2.2rem;
  }
}