/* =========================================================
   gallery.css  —  うさこもこ作品ギャラリー固有スタイル
   サイト共通の CSS変数（--pink, --red 等）はstyle.cssから継承
   ========================================================= */

/* ---------------------------------------------------------
   ページヒーロー
--------------------------------------------------------- */
.gallery-hero {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 56px 24px 40px;
  background: linear-gradient(180deg, var(--pink-light) 0%, var(--cream) 100%);
}

.gallery-hero-catch {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 11px;
  letter-spacing: 0.35em;
  color: var(--pink-deep);
  margin-bottom: 8px;
}

.gallery-hero-title {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(52px, 10vw, 80px);
  color: var(--red);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.gallery-hero-sub {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--pink-deep);
  margin-bottom: 16px;
}

.gallery-hero-desc {
  font-size: 13px;
  color: var(--text-soft);
  line-height: 2;
  letter-spacing: 0.04em;
}

.gallery-hero-desc a {
  color: var(--red);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------------------------------------------------------
   検索・フィルターバー
--------------------------------------------------------- */
.gallery-search-wrap {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 248, 250, 0.92); /* --cream に透明度 */
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1.5px solid var(--pink);
  padding: 14px 20px;
}

.gallery-search-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* テキスト検索ボックス */
.search-box-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 14px;
  font-size: 14px;
  pointer-events: none;
}

.search-box {
  width: 100%;
  padding: 10px 40px 10px 38px;
  border: 2px solid var(--pink);
  border-radius: 99px;
  background: var(--white);
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 13px;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  letter-spacing: 0.04em;
}

.search-box::placeholder {
  color: var(--text-soft);
  opacity: 0.7;
}

.search-box:focus {
  border-color: var(--pink-deep);
  box-shadow: 0 0 0 3px rgba(224, 120, 152, 0.12);
}

/* クリアボタン（入力中のみ表示） */
.search-clear {
  position: absolute;
  right: 12px;
  background: var(--pink-light);
  border: none;
  border-radius: 50%;
  width: 22px;
  height: 22px;
  font-size: 13px;
  color: var(--brown);
  cursor: pointer;
  display: none; /* JSで制御 */
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  line-height: 1;
}

.search-clear:hover {
  background: var(--pink);
}

.search-clear.visible {
  display: flex;
}

/* タグフィルターボタン群 */
.tag-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.tag-btn {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 11px;
  letter-spacing: 0.05em;
  padding: 5px 14px;
  border-radius: 99px;
  border: 1.5px solid var(--pink);
  background: var(--white);
  color: var(--brown);
  cursor: pointer;
  transition: background 0.18s, color 0.18s, border-color 0.18s, transform 0.15s;
}

.tag-btn:hover {
  background: var(--pink-light);
  transform: translateY(-1px);
}

.tag-btn.active {
  background: var(--red);
  color: var(--white);
  border-color: var(--red);
}

/* 件数表示 */
.result-count {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 11px;
  color: var(--text-soft);
  letter-spacing: 0.05em;
}

/* ---------------------------------------------------------
   マソンリーグリッド本体
--------------------------------------------------------- */
.gallery-main {
  position: relative;
  z-index: 1;
  max-width: 960px;
  margin: 0 auto;
  padding: 32px 20px 60px;
}

.masonry-grid {
  columns: 3;            /* PCは3列 */
  column-gap: 14px;
}

/* ---------------------------------------------------------
   作品カード
--------------------------------------------------------- */
.art-card {
  break-inside: avoid;   /* カード途中で列が切れないように */
  margin-bottom: 14px;
  background: var(--white);
  border-radius: 20px;
  border: 2px solid var(--pink);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(240, 160, 184, 0.08);
  transition: transform 0.22s, box-shadow 0.22s;
  cursor: pointer;
  position: relative;
}

.art-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 28px rgba(240, 160, 184, 0.22);
}

/* サムネイル画像 */
.art-card-img {
  width: 100%;
  height: auto;
  display: block;
  background: var(--pink-light); /* 画像読み込み前のプレースホルダー色 */
}

/* カード下部テキストエリア */
.art-card-body {
  padding: 12px 14px 14px;
}

.art-card-title {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 12px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
  line-height: 1.5;
}

/* タグ表示（scene・season など） */
.art-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 8px;
}

.art-card-tag {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 10px;
  padding: 3px 10px;
  border-radius: 99px;
  background: var(--pink-light);
  color: var(--red);
  border: 1px solid var(--pink);
  letter-spacing: 0.04em;
}

/* フリー素材版へのリンクバッジ（art と free 両方ある作品に表示） */
.free-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 10px;
  color: var(--red);
  text-decoration: none;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: 99px;
  border: 1.5px solid var(--pink-mid);
  background: var(--pink-light);
  transition: background 0.18s, transform 0.15s;
}

.free-badge:hover {
  background: var(--pink);
  transform: scale(1.03);
}

.free-badge::before {
  content: '⬇';
  font-size: 9px;
}

/* ---------------------------------------------------------
   検索結果0件のときの空状態
--------------------------------------------------------- */
.empty-state {
  text-align: center;
  padding: 60px 24px;
}

.empty-emoji {
  font-size: 48px;
  margin-bottom: 16px;
}

.empty-text {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 14px;
  color: var(--text-soft);
  margin-bottom: 20px;
  line-height: 1.8;
}

.empty-reset {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 13px;
  padding: 10px 24px;
  border-radius: 99px;
  border: 2px solid var(--pink-mid);
  background: var(--white);
  color: var(--red);
  cursor: pointer;
  transition: background 0.18s;
}

.empty-reset:hover {
  background: var(--pink-light);
}

/* ---------------------------------------------------------
   レスポンシブ対応
   タブレット：2列　スマホ：1列
--------------------------------------------------------- */
@media (max-width: 720px) {
  .masonry-grid {
    columns: 2;
  }
}

@media (max-width: 420px) {
  .masonry-grid {
    columns: 1;
  }

  .gallery-hero-title {
    font-size: 52px;
  }
}