/* 基本リセット */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Noto Sans JP", sans-serif;
  color: #111;
  background-color: #fff;
  line-height: 1.7;
}


a {
  color: inherit;
  text-decoration: none;
}

li{
	list-style:none;
}

ul{
	padding-left:0;
}

/* ヘッダー */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid #eee;
}

.logo {
  font-size: 1.6rem;
  font-weight: bold;
}

nav ul {
  display: flex;
  gap: 20px;
  list-style: none;
}

/* フッター */
footer {
  text-align: center;
  padding: 40px 20px;
  font-size: 0.9rem;
  color: #777;
  background-color: #fafafa;
}
.gallery-section {
  max-width: 1200px;
  margin: 60px auto;
  padding: 0 20px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.gallery-item {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.3s ease;
  text-align: center;
}

.gallery-item:hover {
  transform: translateY(-4px);
}

.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
}

.caption {
  padding: 12px;
  font-size: 15px;
  color: #444;
}

/* モーダル拡大画像 */
.gallery-modal {
  display: none;
  position: fixed;
  z-index: 1000;
  inset: 0;
  background: rgba(0,0,0,0.7);
  justify-content: center;
  align-items: center;
  padding: 40px 20px;
}

.gallery-modal img {
  max-width: 90%;
  max-height: 80vh;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  animation: fadeIn 0.4s ease;
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 36px;
  color: #fff;
  cursor: pointer;
  z-index: 1001;
}

/* アニメーション */
@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.tag-filter {
  margin-bottom: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag-button {
  padding: 8px 16px;
  border: none;
  background-color: #eee;
  border-radius: 20px;
  cursor: pointer;
  font-size: 14px;
  transition: background-color 0.3s ease;
}

.tag-button:hover {
  background-color: #ccc;
}

.tag-button.active {
  background-color: #333;
  color: #fff;
}