/* ===========================
   Design Tokens
   =========================== */
:root {
  --bg:           #F2F2F7;
  --card-bg:      #FFFFFF;
  --header-bg:    rgba(22, 22, 26, 0.92);
  --accent:       #0071E3;
  --accent-dark:  #005BBF;
  --success:      #34C759;
  --text-1:       #1D1D1F;
  --text-2:       #6E6E73;
  --text-3:       #AEAEB2;
  --border:       #E5E5EA;
  --shadow-sm:    0 1px 4px rgba(0,0,0,0.06), 0 4px 12px rgba(0,0,0,0.06);
  --shadow-md:    0 4px 8px rgba(0,0,0,0.06), 0 12px 28px rgba(0,0,0,0.10);
  --shadow-lg:    0 24px 64px rgba(0,0,0,0.18);
  --radius-card:  18px;
  --radius-icon:  22%;
}

/* ===========================
   Reset
   =========================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
img { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; }
a { color: inherit; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic UI",
               "Noto Sans JP", sans-serif;
  background: var(--bg);
  color: var(--text-1);
  line-height: 1.5;
}

/* ===========================
   Header
   =========================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
}

.brand-icon {
  width: 34px;
  height: 34px;
  background: var(--accent);
  border-radius: 9px;
  display: grid;
  place-items: center;
  font-size: 17px;
  box-shadow: 0 2px 8px rgba(0,113,227,0.4);
  overflow: hidden;
}

.brand-icon.has-image {
  background: transparent;
  box-shadow: none;
}

.brand-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-name {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.2px;
}

.search-wrap {
  flex: 1;
  max-width: 380px;
  margin-left: auto;
  position: relative;
}

.search-wrap svg {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255,255,255,0.45);
  pointer-events: none;
}

#searchInput {
  width: 100%;
  padding: 8px 16px 8px 38px;
  background: rgba(255,255,255,0.10);
  border: 1.5px solid rgba(255,255,255,0.14);
  border-radius: 22px;
  color: #fff;
  font-size: 14px;
  outline: none;
  transition: background 0.2s, border-color 0.2s;
}

#searchInput::placeholder { color: rgba(255,255,255,0.4); }
#searchInput:focus {
  background: rgba(255,255,255,0.16);
  border-color: rgba(255,255,255,0.36);
}

/* ===========================
   Hero
   =========================== */
.hero {
  background: linear-gradient(135deg, #16161A 0%, #1E2A3A 55%, #0D3460 100%);
  padding: 56px 24px 52px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 120%, rgba(0,113,227,0.25) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner { position: relative; }

.hero-inner.has-text-bg {
  display: inline-block;
  max-width: min(920px, 100%);
  padding: 18px 28px;
  border-radius: 16px;
  background: rgba(22, 22, 26, 0.36);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.hero h1 {
  font-size: clamp(22px, 4vw, 38px);
  font-weight: 800;
  letter-spacing: -0.6px;
  margin-bottom: 12px;
}

.hero p {
  font-size: 15px;
  color: rgba(255,255,255,0.65);
  max-width: 480px;
  margin: 0 auto;
}

/* ===========================
   Main layout
   =========================== */
.main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 24px 60px;
}

/* ===========================
   Filter bar
   =========================== */
.filter-bar {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 2px;
  margin-bottom: 22px;
  scrollbar-width: none;
}
.filter-bar::-webkit-scrollbar { display: none; }

.filter-btn {
  flex-shrink: 0;
  padding: 7px 20px;
  border: 1.5px solid var(--border);
  border-radius: 24px;
  background: var(--card-bg);
  color: var(--text-2);
  font-size: 13px;
  font-weight: 600;
  transition: all 0.18s;
  white-space: nowrap;
}

.filter-btn:hover:not(.active) {
  border-color: var(--accent);
  color: var(--accent);
}

.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ===========================
   App count label
   =========================== */
.app-count {
  font-size: 13px;
  color: var(--text-2);
  margin-bottom: 18px;
}

/* ===========================
   App grid
   =========================== */
.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

/* ===========================
   App card
   =========================== */
.app-card {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  padding: 22px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 14px;
  cursor: pointer;
  transition: transform 0.22s cubic-bezier(0.34,1.56,0.64,1),
              box-shadow 0.22s ease;
}

.app-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.card-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.app-icon {
  border-radius: var(--radius-icon);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  box-shadow: 0 3px 10px rgba(0,0,0,0.15);
  line-height: 1;
}

.app-icon-img {
  border-radius: var(--radius-icon);
  object-fit: cover;
  flex-shrink: 0;
}

.card-meta { flex: 1; min-width: 0; }

.app-category {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.4px;
  padding: 2px 9px;
  border-radius: 20px;
  background: rgba(0,113,227,0.10);
  color: var(--accent);
  margin-bottom: 5px;
  text-transform: uppercase;
}

.app-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-1);
  line-height: 1.25;
  margin-bottom: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-version {
  font-size: 11.5px;
  color: var(--text-3);
}

.app-short-desc {
  font-size: 13.5px;
  color: var(--text-2);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  display: flex;
  gap: 8px;
  margin-top: auto;
}

/* ===========================
   Buttons
   =========================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 8px 16px;
  border-radius: 22px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  border: none;
  transition: all 0.15s;
}

.btn-detail {
  flex: 1;
  background: var(--bg);
  color: var(--text-2);
}
.btn-detail:hover { background: #E5E5EA; color: var(--text-1); }

.btn-primary {
  background: var(--accent);
  color: #fff;
  padding: 8px 18px;
}
.btn-primary:hover { background: var(--accent-dark); transform: scale(1.04); }

.btn-secondary {
  background: rgba(0,113,227,0.09);
  color: var(--accent);
}
.btn-secondary:hover { background: rgba(0,113,227,0.16); }

/* ===========================
   Empty state
   =========================== */
.empty-state {
  text-align: center;
  padding: 80px 24px;
}

.empty-icon {
  font-size: 52px;
  margin-bottom: 16px;
  opacity: 0.55;
}

.empty-state h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 14px;
  color: var(--text-2);
}

/* ===========================
   Footer
   =========================== */
.site-footer {
  text-align: center;
  padding: 32px 24px;
  font-size: 12px;
  color: var(--text-3);
  border-top: 1px solid var(--border);
}

/* ===========================
   Modal overlay
   =========================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.24s;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal-sheet {
  background: var(--card-bg);
  border-radius: 26px;
  max-width: 660px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: translateY(32px) scale(0.96);
  opacity: 0;
  transition: transform 0.3s cubic-bezier(0.34,1.4,0.64,1), opacity 0.24s;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.modal-sheet::-webkit-scrollbar { width: 5px; }
.modal-sheet::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }

.modal-overlay.open .modal-sheet {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.modal-close-bar {
  position: sticky;
  top: 0;
  display: flex;
  justify-content: flex-end;
  padding: 14px 16px 0;
  z-index: 10;
}

.modal-close {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: none;
  background: #EFEFF4;
  color: var(--text-2);
  display: grid;
  place-items: center;
  transition: background 0.15s;
}
.modal-close:hover { background: #E5E5EA; }

/* ===========================
   Modal content
   =========================== */
.modal-body {
  padding: 8px 28px 32px;
}

.modal-app-header {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 24px;
}

.modal-icon {
  border-radius: var(--radius-icon);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  line-height: 1;
}

.modal-app-info { flex: 1; min-width: 0; }

.modal-category-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 2px 10px;
  border-radius: 20px;
  background: rgba(0,113,227,0.10);
  color: var(--accent);
  margin-bottom: 7px;
  text-transform: uppercase;
}

.modal-app-name {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.4px;
  margin-bottom: 8px;
  line-height: 1.2;
}

.modal-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: var(--text-2);
}

.modal-divider {
  height: 1px;
  background: var(--border);
  margin: 22px 0;
}

.modal-section { margin-bottom: 22px; }

.section-label {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-3);
  margin-bottom: 10px;
}

.modal-description {
  font-size: 14.5px;
  color: var(--text-1);
  line-height: 1.75;
}
.modal-description + .modal-description { margin-top: 10px; }

.features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.features-list li {
  display: flex;
  gap: 10px;
  font-size: 14px;
  color: var(--text-1);
  line-height: 1.5;
}

.features-list li::before {
  content: "";
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  background: var(--success);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 14' fill='none' stroke='white' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2.5 7l3.5 3.5 5.5-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  margin-top: 2px;
}

.modal-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.chip {
  font-size: 12.5px;
  font-weight: 500;
  padding: 5px 13px;
  border-radius: 14px;
  background: var(--bg);
  color: var(--text-2);
}

.requirements-box {
  background: var(--bg);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.6;
}

.modal-downloads {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.download-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 14px 20px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.15s;
}

.dl-primary {
  background: var(--accent);
  color: #fff;
}
.dl-primary:hover { background: var(--accent-dark); transform: scale(1.02); }

.dl-secondary {
  background: var(--bg);
  color: var(--text-1);
  border: 1.5px solid var(--border);
}
.dl-secondary:hover { background: #E5E5EA; }

/* ===========================
   Card image (1枚目を静的表示)
   =========================== */

/* カードに画像がある場合は overflow: hidden でカードの角に合わせてクリップ */
.app-card.has-images {
  overflow: hidden;
}

.card-images-wrap {
  margin: -22px -22px 0;   /* カードのpadding分を打ち消して端まで伸ばす */
  height: 120px;            /* 高さ固定 */
  overflow: hidden;
  position: relative;
  background: var(--bg);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 高さ120pxに合わせ、横幅は画像の縦横比に応じて自動調整 (クロップなし) */
.card-single-img {
  height: 100%;             /* コンテナの120pxに合わせる */
  width: auto;              /* 縦横比を保って横幅を自動計算 */
  max-width: 100%;          /* カード幅を超えないよう制限 */
  display: block;
}

/* ===========================
   Modal image slideshow
   =========================== */
.modal-images-wrap {
  width: 100%;
  height: 310px;
  overflow: hidden;
  position: relative;
  background: var(--card-bg);
}

.modal-images-track {
  display: flex;
  height: 280px;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
  background: #000;
}

.modal-slide-img {
  flex-shrink: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;  /* 全体が見えるよう contain */
  background: #111;
  cursor: zoom-in;
}

/* ===========================
   Slide indicators (共通)
   =========================== */
.slide-dots {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 5;
}

.slide-dot {
  width: 6px;
  height: 6px;
  padding: 0;
  border: 0;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.45);
  transition: background 0.2s, width 0.25s;
  cursor: pointer;
  flex-shrink: 0;
}

.slide-dot:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.slide-dot.active {
  background: #fff;
  width: 18px;
}

.modal-slide-dots {
  position: static;
  transform: none;
  justify-content: center;
  padding: 11px 0 12px;
  background: var(--card-bg);
}

.modal-slide-dots .slide-dot {
  background: rgba(0, 113, 227, 0.28);
  background: color-mix(in srgb, var(--accent) 28%, transparent);
}

.modal-slide-dots .slide-dot.active {
  background: var(--accent);
}

/* ===========================
   Image preview modal
   =========================== */
.image-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(0,0,0,0.78);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

.image-modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.image-modal-sheet {
  position: relative;
  width: min(96vw, 1200px);
  height: min(92vh, 820px);
  display: grid;
  place-items: center;
}

.image-modal-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 50%;
  background: rgba(255,255,255,0.92);
  color: var(--text-1);
  display: grid;
  place-items: center;
  z-index: 2;
}

.image-modal-close:hover {
  background: #fff;
}

.image-modal-img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  box-shadow: 0 18px 64px rgba(0,0,0,0.42);
  background: #111;
}

/* ===========================
   Loading state
   =========================== */
.loading-state {
  text-align: center;
  padding: 64px 24px;
  color: var(--text-2);
  font-size: 14px;
}

.loading-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: gh-spin 0.75s linear infinite;
  margin: 0 auto 14px;
}

@keyframes gh-spin {
  to { transform: rotate(360deg); }
}

.loading-state[hidden] { display: none; }

/* ===========================
   Responsive
   =========================== */
@media (max-width: 640px) {
  .header-inner      { padding: 10px 16px; }
  .brand-name        { display: none; }
  .hero              { padding: 40px 16px 36px; }
  .hero-inner.has-text-bg { padding: 14px 18px; border-radius: 14px; }
  .main              { padding: 20px 16px 48px; }
  .app-grid          { grid-template-columns: 1fr; }
  .modal-overlay     { padding: 0; align-items: flex-end; }
  .modal-sheet       { border-radius: 26px 26px 0 0; max-height: 93vh; }
  .modal-body        { padding: 4px 20px 32px; }
  .modal-two-col     { grid-template-columns: 1fr; }
  .modal-images-wrap { height: 230px; }
  .modal-images-track { height: 200px; }
}