.main {
      max-width: 1000px;
      margin: 0 auto;
      padding: 40px 20px;
    }

    .category-buttons {
      margin-bottom: 20px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
		
		
		margin-top:100px;
		
    }

    .category-buttons button {
      text-decoration: none;
      padding: 10px 14px;
      background: #FFFFFF !important;
      border-radius: 10px;
      color: #333;
      transition: background 0.2s;
      font-weight: bold;
      text-align: left;
      cursor: pointer;
		  border: 3.4px solid #333; /* ← ここを修正！太めの実線、色はダークグレー */
    }

    .category-buttons button:hover {
      background: #a8ffcf;
    }
    .grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
      gap: 24px;
		  
	  /* ここを追加！ */
  margin-top: 80px;
  margin-bottom: 100px;	  
		  
		  
		  
    }

    .card {
      background: #fff;
      border: 3px solid #ddd;
      border-radius: 8px;
      overflow: hidden;
      transition: transform 0.2s;
      display: block;
    }


    .card img {
      width: 100%;
      height: 160px;
      object-fit: cover;
    }

    .card-content {
      padding: 16px;
    }

    .card-content h3 {
      margin: 0 0 8px;
      font-size: 1.1em;
    }

    .meta {
      font-size: 0.85em;
      color: #666;
    }

    .tags {
      margin-top: 8px;
      font-size: 0.85em;
      color: #999;
    }

    .pagination {
      margin-top: 40px;
      text-align: center;
    }

    .pagination a {
      display: inline-block;
      margin: 0 10px;
      padding: 10px 16px;
      background: #333;
      color: white;
      text-decoration: none;
      border-radius: 4px;
    }

    .pagination a:hover {
      background: #555;
    }













/*下のボタン*/


	.post-nav {
  display: flex;
  justify-content: center;     /* 全体を中央に寄せる */
  gap: 2rem;                   /* ボタン間のスペースを調整 */
  margin-top: 10rem;
  flex-wrap: nowrap;
  text-align: center;
}

.post-nav .btn-next {
  flex-shrink: 0;
}

.post-nav .btn {
  background-color: #FFFFFF;
  color: #000000;
  border: 4px solid black;
  padding: 13px 25px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 900;
  transition: background-color 0.2s ease;
  min-width: 120px;
  white-space: nowrap;
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.post-nav .btn:hover {
  background-color: #9AFFD0;
}

.post-nav .btn img.arrow-icon {
  width: 21px;
  height: auto;
  object-fit: cover;
  margin: 0 6px;
}

/* スマホ対応 */
@media (max-width: 600px) {
  .post-nav {
    flex-direction: column;
    gap: 1rem;
  }

  .post-nav .btn {
    font-size: 15px;
    padding: 10px 13px;
    width: 100%;
    justify-content: center;
  }
}


.filter-btn {
  display: inline-block;
  padding: 5px 10px;
  margin: 0 3px;
  border: 1px solid #FFFFFF;
  cursor: pointer;
  text-decoration: none;
  color: #333;
  border-radius: 4px;
}

.post-nav {
  margin-top: 30px;
  text-align: center;
}

.post-nav .filter-btn {
  display: inline-block;
  margin: 0 6px;
  padding: 8px 14px;
  background-color: #FFFFFF;
  border-radius: 4px;
  color: #333;
  text-decoration: none;
  font-weight: 600;
  transition: background-color 0.3s, color 0.3s;
  cursor: pointer;
  user-select: none;
}

.post-nav .filter-btn:hover {
  background-color: #ddd;
  color: #000;
}







.pagination {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 10px;
	 margin-bottom: 50px;
	
}

.pagination a,
.pagination span {
  display: inline-block;
  padding: 8px 16px;
 border: 3px solid #333;
  background-color: #fff;  /* 中は白 */
  color: #000;
  text-decoration: none;
  font-weight: bold;
  border-radius: 9px;
  transition: background-color 0.3s, color 0.3s;
  cursor: pointer;
}

.pagination a:hover {
  background-color:#9AFFD0; /* 黄緑の薄め */
  color: #000;
}

.pagination span.current {
  background-color: #BDBDBB; /* 黄緑色 */
  border-color: #000000;
  color: #000;
  cursor: default;
}



.category-buttons .filter-btn {
  display: inline-block;
  padding: 10px 14px;
   background: #fff ;
  border-radius: 9px;
  color: #333;
  font-weight: bold;
  border: 3px solid #333;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s;
	
}


.category-buttons .filter-btn:hover {
  background: #a8ffcf;
}

.category-buttons .filter-btn.active {
  background: #9AFFD0;
  color: #000;
}



.category-buttons .filter-btn.active {
  background-color: #BDBDBB;  /* グレー背景 */
  border-color: #000;
  color: #000;
  cursor: default;
}