/* ============================================================
   特典まとめページ — デザイン

   色を変えたい場合は、下の :root { } の中の色（#から始まる文字）を
   書き換えてください。ページ全体の色が変わります。
   ============================================================ */

:root {
  /* 色（大人ピンク×アイボリー系。既存の特典ページと同じ配色） */
  --color-bg: #fdfaf7;
  --color-bg-soft: #fbeeec;
  --color-primary: #cf8a92;
  --color-primary-dark: #b16d76;
  --color-accent-light: #f7dfe0;
  --color-text: #3d322f;
  --color-text-muted: #8a7972;
  --color-border: #f0dfdc;
  --color-card-shadow: rgba(207, 138, 146, 0.16);
  --color-white: #fff;

  /* 形 */
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;

  /* 余白の基準 */
  --gap: clamp(1rem, 3vw, 2rem);
  --page-max: 1120px;

  /* フォント（システムフォント。追加の読み込みなしで日本語が読みやすい） */
  --font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans",
    "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Yu Gothic", "Noto Sans JP",
    Meiryo, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  font-family: var(--font-family);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

.wrap {
  width: 100%;
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--gap);
}

/* ---------- 1. ヒーロー ---------- */

.hero {
  background: linear-gradient(150deg, #fffdfb 0%, #fdf5f2 55%, var(--color-bg-soft) 100%);
  border-bottom: 1px solid var(--color-border);
  padding: clamp(3rem, 9vw, 5.5rem) 0 clamp(2.5rem, 7vw, 4rem);
  text-align: center;
}

.hero__label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-primary-dark);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.45rem 1.3rem;
}

.hero__title {
  margin-top: 1.4rem;
  font-size: clamp(1.7rem, 6.2vw, 2.9rem);
  font-weight: 800;
  line-height: 1.42;
  letter-spacing: 0.02em;
}

.hero__title .mark {
  background: linear-gradient(transparent 62%, var(--color-accent-light) 62%);
}

.hero__lead {
  margin-top: 1.2rem;
  font-size: clamp(0.95rem, 2.6vw, 1.05rem);
  color: var(--color-text-muted);
}

.hero__count {
  margin-top: 1.8rem;
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 0.9rem 1.8rem;
  box-shadow: 0 6px 20px var(--color-card-shadow);
}

.hero__count strong {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.hero__count span {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-weight: 700;
}

/* ---------- 2. プロフィール ---------- */

.profile {
  margin: clamp(2rem, 6vw, 3rem) auto 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  flex-wrap: wrap;
  text-align: center;
}

.profile__name {
  font-weight: 800;
  font-size: 1rem;
}

.profile__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  text-decoration: none;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.4rem 1.1rem;
  transition: background 0.2s;
}

.profile__link:hover {
  background: var(--color-accent-light);
}

/* ---------- 3. 絞り込みバー ---------- */

.filter {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(253, 250, 247, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
  margin-top: clamp(2rem, 6vw, 3rem);
}

.filter__search {
  position: relative;
  max-width: 480px;
  margin: 0 auto;
}

.filter__search input {
  width: 100%;
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.75rem 1.2rem 0.75rem 2.8rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.filter__search input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

.filter__search::before {
  content: "🔍";
  position: absolute;
  left: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.95rem;
  pointer-events: none;
}

.filter__tabs {
  margin-top: 0.9rem;
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.tab {
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.5rem 1.1rem;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.tab:hover {
  background: var(--color-bg-soft);
}

.tab[aria-selected="true"] {
  color: var(--color-white);
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.tab__count {
  font-size: 0.78rem;
  opacity: 0.75;
  margin-left: 0.3rem;
}

/* ---------- 4. 特典カード一覧 ---------- */

.list {
  padding: clamp(2rem, 6vw, 3rem) 0 clamp(2.5rem, 7vw, 4rem);
}

.list__status {
  text-align: center;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text-muted);
  margin-bottom: 1.6rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: clamp(1rem, 2.5vw, 1.6rem);
  list-style: none;
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 16px var(--color-card-shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 26px var(--color-card-shadow);
}

.card__link {
  display: flex;
  flex-direction: column;
  flex: 1;
  text-decoration: none;
  color: inherit;
  font: inherit;
  text-align: left;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  width: 100%;
}

.card__thumb {
  aspect-ratio: 16 / 9;
  width: 100%;
  object-fit: cover;
  background: var(--color-bg-soft);
  border-bottom: 1px solid var(--color-border);
}

.card__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 1.1rem 1.2rem 1.3rem;
}

.card__meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.card__num {
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-accent-light);
  -webkit-text-stroke: 0.3px var(--color-primary);
}

.card__category {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  background: var(--color-bg-soft);
  border-radius: 999px;
  padding: 0.25rem 0.7rem;
}

.card__badge {
  margin-left: auto;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.card__title {
  margin-top: 0.7rem;
  font-size: 1.04rem;
  font-weight: 800;
  line-height: 1.55;
}

.card__desc {
  margin-top: 0.55rem;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--color-text-muted);
}

.card__tags {
  margin-top: 0.9rem;
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  list-style: none;
}

.card__tags li {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.2rem 0.55rem;
}

.card__notice {
  margin-top: 0.9rem;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: var(--color-bg);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.7rem;
}

/* ---------- 5. プロンプト表示 ---------- */

.card__prompt {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
  padding: 1.1rem 1.2rem 1.3rem;
}

.card__prompt-note {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 0.7rem;
}

.card__prompt pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  line-height: 1.85;
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.9rem 1rem;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 260px;
  overflow-y: auto;
}

.copy-btn {
  margin-top: 0.8rem;
  width: 100%;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-white);
  background: var(--color-primary);
  border: none;
  border-radius: 999px;
  padding: 0.7rem 1rem;
  cursor: pointer;
  transition: background 0.2s;
}

.copy-btn:hover {
  background: var(--color-primary-dark);
}

.copy-btn.is-copied {
  background: var(--color-primary-dark);
}

/* ---------- 該当0件のとき ---------- */

.empty {
  text-align: center;
  padding: clamp(2.5rem, 8vw, 4rem) 1rem;
  background: var(--color-white);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
}

.empty__title {
  font-size: 1.05rem;
  font-weight: 800;
}

.empty__text {
  margin-top: 0.6rem;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

/* ---------- 6. CTA ---------- */

.cta {
  background: linear-gradient(150deg, var(--color-bg-soft) 0%, #fdf5f2 100%);
  border-top: 1px solid var(--color-border);
  padding: clamp(2.5rem, 8vw, 4rem) 0;
  text-align: center;
}

.cta__heading {
  font-size: clamp(1.15rem, 4vw, 1.5rem);
  font-weight: 800;
  line-height: 1.6;
}

.cta__text {
  margin-top: 1rem;
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

.cta__banner {
  display: inline-block;
  margin-top: 1.8rem;
  max-width: 520px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 24px var(--color-card-shadow);
  transition: transform 0.2s;
}

.cta__banner:hover {
  transform: translateY(-3px);
}

/* ---------- 7. フッター ---------- */

.footer {
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  padding: 2.2rem 0;
  text-align: center;
}

.footer__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  text-decoration: none;
}

.footer__copy {
  margin-top: 0.9rem;
  font-size: 0.76rem;
  color: var(--color-text-muted);
}

/* ---------- スマホ ---------- */

@media (max-width: 480px) {
  .cards {
    grid-template-columns: 1fr;
  }

  .filter {
    padding: 0.8rem 0;
  }

  .tab {
    font-size: 0.8rem;
    padding: 0.45rem 0.85rem;
  }
}

/* 動きを減らす設定の方への配慮 */
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}