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

body {
  font-family: 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', sans-serif;
  background: #f5f5f3;
  color: #111;
}

/* ヘッダー */
.header {
  background: #fff;
  border-bottom: 1px solid #e8e8e8;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
}

.logo {
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-decoration: none;
  color: #111;
}

.logo span {
  color: #f97316;
}

/* ヒーロー */
.hero {
  background: #fff;
  text-align: center;
  padding: 72px 24px 64px;
  border-bottom: 1px solid #e8e8e8;
}

.hero-title {
  font-size: 2.6rem;
  font-weight: 900;
  line-height: 1.35;
  color: #111;
  letter-spacing: -0.01em;
}

.hero-sub {
  font-size: 0.95rem;
  color: #888;
  margin-top: 16px;
  line-height: 1.7;
}

/* メインコンテンツ */
.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 56px 24px 80px;
}

.category {
  margin-bottom: 60px;
}

.category-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #aaa;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid #e8e8e8;
}

/* アプリグリッド（横並び） */
.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

/* アプリカード */
.app-card {
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  text-decoration: none;
  color: #111;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  border: 1px solid #e8e8e8;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
}

.app-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  border-color: #ddd;
}

/* 画像エリア */
.card-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--card-color) 15%, #f0f0f0),
    color-mix(in srgb, var(--card-color) 8%, #f5f5f5)
  );
  border-bottom: 3px solid var(--card-color);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* カード本文 */
.card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.app-name {
  font-weight: 700;
  font-size: 1rem;
  color: #111;
}

.app-desc {
  font-size: 0.82rem;
  color: #888;
  line-height: 1.6;
  flex: 1;
}

.card-cta {
  font-size: 0.82rem;
  font-weight: 700;
  color: #f97316;
  margin-top: 4px;
}

/* Coming soon */
.coming-soon {
  opacity: 0.4;
  pointer-events: none;
}

/* フッター */
.footer {
  text-align: center;
  padding: 32px 24px;
  font-size: 0.75rem;
  color: #bbb;
  border-top: 1px solid #e8e8e8;
  background: #fff;
}

/* レスポンシブ */
@media (max-width: 600px) {
  .hero-title { font-size: 1.9rem; }
  .app-grid { grid-template-columns: 1fr; }
  .container { padding: 40px 16px 60px; }
}