パンくずリスト

その辺に落ちてそうなパンくずリスト

<nav class="simple-breadcrumb" aria-label="パンくずリスト">
  <ol class="simple-breadcrumb__list" itemscope itemtype="http://schema.org/BreadcrumbList">
    <li class="simple-breadcrumb__item" itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem">
      <a class="simple-breadcrumb__link" href="/" itemprop="item">
        <span itemprop="name">トップページ</span>
      </a>
      <meta itemprop="position" content="1">
    </li>
    <li class="simple-breadcrumb__item" itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem">
      <a class="simple-breadcrumb__link" href="../" itemprop="item">
        <span itemprop="name">会社概要的な</span>
      </a>
      <meta itemprop="position" content="2">
    </li>
    <li class="simple-breadcrumb__item" itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem">
      <a class="simple-breadcrumb__link" href="./" itemprop="item">
        <span itemprop="name">色んな人の紹介</span>
      </a>
      <meta itemprop="position" content="3">
    </li>
    <li class="simple-breadcrumb__item" itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem">
      <a class="simple-breadcrumb__link" href="message.html" itemprop="item" aria-current="page">
        <span itemprop="name">偉い人の挨拶</span>
      </a>
      <meta itemprop="position" content="4">
    </li>
  </ol>
</nav>

.simple-breadcrumb {
  background: #f1f1f1;
  padding: 13px 15px;
  line-height: 1.4;
  &__list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
  }
  &__item {
    margin: 0 10px 0 0;
    &::after {
      content: "";
      display: inline-block;
      width: 8px;
      height: 8px;
      border-top: 1px solid #333;
      border-right: 1px solid #333;
      transform: rotate(45deg) translateX(-1px) translateY(-2px);
    }
    &:last-child {
      margin-right: 0;
      &::after {
        content: none;
      }
    }
  }
  &__link {
    text-decoration: none;
    color: #333;
    &:hover {
      text-decoration: underline;
    }
  }
}

.simple-breadcrumb {
  background: #f1f1f1;
  padding: 13px 15px;
  line-height: 1.4;
}
.simple-breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}
.simple-breadcrumb__item {
  margin: 0 10px 0 0;
}
.simple-breadcrumb__item::after {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-top: 1px solid #333;
  border-right: 1px solid #333;
  -webkit-transform: rotate(45deg) translateX(-1px) translateY(-2px);
          transform: rotate(45deg) translateX(-1px) translateY(-2px);
}
.simple-breadcrumb__item:last-child {
  margin-right: 0;
}
.simple-breadcrumb__item:last-child::after {
  content: none;
}
.simple-breadcrumb__link {
  text-decoration: none;
  color: #333;
}
.simple-breadcrumb__link:hover {
  text-decoration: underline;
}

横幅からはみ出たテキストは…にしてスマホでは横スクロールするパンくずリスト

<nav class="overflow-breadcrumb" aria-label="パンくずリスト">
  <ol class="overflow-breadcrumb__list" itemscope itemtype="http://schema.org/BreadcrumbList">
    <li class="overflow-breadcrumb__item" itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem">
      <a class="overflow-breadcrumb__link" href="/" itemprop="item">
        <span itemprop="name">トップページ</span>
      </a>
      <meta itemprop="position" content="1">
    </li>
    <li class="overflow-breadcrumb__item" itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem">
      <a class="overflow-breadcrumb__link" href="../" itemprop="item">
        <span itemprop="name">メインカテゴリ的なテキスト</span>
      </a>
      <meta itemprop="position" content="2">
    </li>
    <li class="overflow-breadcrumb__item" itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem">
      <a class="overflow-breadcrumb__link" href="./" itemprop="item">
        <span itemprop="name">サブカテゴリ的なテキスト</span>
      </a>
      <meta itemprop="position" content="3">
    </li>
    <li class="overflow-breadcrumb__item" itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem">
      <a class="overflow-breadcrumb__link" href="post.html" itemprop="item" aria-current="page">
        <span itemprop="name">すごい長い記事のタイトルがここに入ったりしている感じですすごい長い記事のタイトルがここに入ったりしている感じです</span>
      </a>
      <meta itemprop="position" content="4">
    </li>
  </ol>
</nav>

.overflow-breadcrumb {
  background: #f1f1f1;
  padding: 13px 15px;
  line-height: 1.4;
  &__list {
    list-style: none;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    @media screen and (max-width: 768px) {
      text-overflow: clip;
      overflow-x: auto;
    }
  }
  &__item {
    display: inline;
    margin: 0 5px 0 0;
    &::after {
      content: ">";
      padding-left: 5px;
      font-size: 80%;
      vertical-align: text-top;
    }
    &:last-child {
      margin-right: 0;
      &::after {
        content: none;
      }
    }
  }
  &__link {
    text-decoration: none;
    color: #334;
    &:hover {
      text-decoration: underline;
    }
  }
}

.overflow-breadcrumb {
  background: #f1f1f1;
  padding: 13px 15px;
  line-height: 1.4;
}
.overflow-breadcrumb__list {
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.overflow-breadcrumb__item {
  display: inline;
  margin: 0 5px 0 0;
}
.overflow-breadcrumb__item::after {
  content: ">";
  padding-left: 5px;
  font-size: 80%;
  vertical-align: text-top;
}
.overflow-breadcrumb__item:last-child {
  margin-right: 0;
}
.overflow-breadcrumb__item:last-child::after {
  content: none;
}
.overflow-breadcrumb__link {
  text-decoration: none;
  color: #334;
}
.overflow-breadcrumb__link:hover {
  text-decoration: underline;
}

@media screen and (max-width: 768px) {
  .overflow-breadcrumb__list {
    text-overflow: clip;
    overflow-x: auto;
  }
}