:root {
  --bg: #fbfbfd;
  --card: #ffffff;
  --line: #ececef;
  --ink: #111114;
  --sub: #6b6b73;
  --accent: #ff5a3c;
  --cool: #2563eb;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 6px 24px rgba(0,0,0,.04);
  --rad-lg: 20px;
  --rad-md: 12px;
  --rad-sm: 8px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--ink); font-family: 'Inter','Noto Sans JP',-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif; -webkit-font-smoothing: antialiased; }
.hidden { display: none !important; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: transparent; }
input { font: inherit; }

/* ========== Gate ========== */
.gate {
  min-height: 100vh; display: grid; place-items: center;
  background: radial-gradient(120% 80% at 50% 0%, #f0f0f7 0%, #fbfbfd 60%);
}
.gate-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 24px;
  padding: 40px 32px; width: min(420px, 88vw); text-align: center; box-shadow: var(--shadow);
}
.gate-card h1 { margin: 0 0 6px; font-size: 28px; letter-spacing: -.02em; }
.gate-card p { margin: 0 0 22px; color: var(--sub); font-size: 13px; line-height: 1.6; }
.gate-card input {
  width: 100%; padding: 13px 14px; border: 1px solid var(--line); border-radius: var(--rad-md);
  font-size: 15px; background: #f7f7fa; outline: none;
}
.gate-card input:focus-visible { border-color: var(--ink); background: #fff; }
.gate-card button {
  width: 100%; margin-top: 12px; padding: 13px; background: var(--ink); color: #fff;
  border-radius: var(--rad-md); font-weight: 600; font-size: 15px;
}
.gate-hint { font-size: 11px !important; color: var(--sub); margin-top: 22px !important; }

/* ========== App ========== */
.app { padding: 24px clamp(16px, 4vw, 48px) 80px; }
.head {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 24px;
  padding-bottom: 18px; border-bottom: 1px solid var(--line); margin-bottom: 18px; flex-wrap: wrap;
}
.brand { font-size: 26px; font-weight: 700; letter-spacing: -.02em; }
.sub { font-size: 12px; color: var(--sub); margin-top: 2px; }
.head-r { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
#q {
  padding: 11px 14px; border: 1px solid var(--line); border-radius: 999px;
  background: #fff; min-width: 260px; outline: none;
}
#q:focus-visible { border-color: var(--ink); }
#cool-only {
  padding: 10px 16px; border: 1px solid var(--line); border-radius: 999px; background: #fff;
  font-size: 13px; color: var(--sub);
}
#cool-only.on { background: var(--cool); color: #fff; border-color: var(--cool); }
#cool-only:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }

/* ========== Filter row ========== */
.filter-row {
  display: flex; gap: 16px; align-items: center; flex-wrap: wrap;
  padding: 8px 0 14px;
}
.fl { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--sub); }
.fl select {
  padding: 7px 12px; border: 1px solid var(--line); border-radius: 8px; background: #fff;
  font-size: 12.5px; color: var(--ink); cursor: pointer; outline: none;
}
.fl select:focus-visible { border-color: var(--ink); }
.pptx-btn {
  margin-left: auto;
  padding: 9px 16px; background: var(--ink); color: #fff !important; border-radius: 999px;
  font-size: 12.5px; font-weight: 500; white-space: nowrap;
}
.pptx-btn:hover { background: #000; }

/* ========== Genre nav ========== */
.genres { display: flex; gap: 8px; overflow-x: auto; padding: 4px 0 16px; margin-bottom: 8px; }
.genres button {
  padding: 9px 14px; border: 1px solid var(--line); border-radius: 999px; background: #fff;
  font-size: 13px; white-space: nowrap; color: var(--sub);
}
.genres button.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.genres button:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.genres button .ct { margin-left: 6px; font-size: 11px; opacity: .7; }

/* ========== Grid ========== */
.grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 1024px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px)  { .grid { grid-template-columns: 1fr; } }

.genre-title {
  grid-column: 1 / -1;
  margin: 20px 0 4px;
  padding: 12px 16px;
  background: var(--ink); color: #fff; border-radius: var(--rad-md);
  display: flex; align-items: baseline; gap: 12px;
}
.genre-title h2 { margin: 0; font-size: 16px; font-weight: 600; }
.genre-title .num { font-size: 11px; opacity: .7; }
.genre-title .cnt { margin-left: auto; font-size: 12px; opacity: .8; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--rad-lg);
  padding: 16px; display: flex; flex-direction: column; gap: 10px;
  transition: transform .15s, box-shadow .15s;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }

.card-img-wrap {
  background: #fff; border: 1px solid #f0f0f3; border-radius: var(--rad-md);
  aspect-ratio: 16/10; display: grid; place-items: center; overflow: hidden;
  cursor: zoom-in; position: relative;
}
.card-img-wrap img {
  max-width: 86%; max-height: 86%; object-fit: contain; display: block;
}
.card-img-wrap.no-img { background: repeating-linear-gradient(45deg,#f7f7fa,#f7f7fa 8px,#fff 8px,#fff 16px); }
.card-img-wrap.no-img::after {
  content: 'no image'; color: var(--sub); font-size: 11px; letter-spacing: .04em;
}

.card-name {
  display: flex; align-items: baseline; gap: 8px; font-weight: 600; font-size: 14px;
}
.card-name .pn { color: var(--sub); font-size: 11px; font-weight: 500; }
.card-name .tf { color: var(--cool); font-weight: 700; }
.card-feature { color: var(--sub); font-size: 12.5px; line-height: 1.5; min-height: 1.5em; }
.card-domain { font-size: 11px; color: var(--sub); }
.card-domain a:hover { color: var(--ink); text-decoration: underline; }

.card-tags { display: flex; flex-wrap: wrap; gap: 4px; }
.tag {
  display: inline-block; padding: 2px 8px; border-radius: 999px;
  font-size: 10px; font-weight: 500; color: var(--sub); background: #f4f4f7;
  border: 1px solid var(--line);
}
.tag-color.tag-red    { background: #fff0ee; border-color: #ffd5cc; color: #b03020; }
.tag-color.tag-orange { background: #fff5e6; border-color: #ffd9aa; color: #b56300; }
.tag-color.tag-yellow { background: #fffbe6; border-color: #ffeaa3; color: #8b6f00; }
.tag-color.tag-green  { background: #ecfaf0; border-color: #c6e9d2; color: #1e7339; }
.tag-color.tag-blue   { background: #ecf2ff; border-color: #c6d4f0; color: #1a4eb5; }
.tag-color.tag-purple { background: #f3ebff; border-color: #d9c6f0; color: #5a2cb5; }
.tag-color.tag-brown  { background: #f5ede0; border-color: #d9c4a3; color: #6b4920; }
.tag-color.tag-black  { background: #ececef; border-color: #c6c6cc; color: #1a1a1c; }
.tag-color.tag-gray   { background: #f0f0f3; border-color: #d6d6dc; color: #525258; }
.tag-color.tag-white  { background: #fff; border-color: #e0e0e3; color: #525258; }
.tag-color.tag-mixed  { background: #f7f0f6; border-color: #d9c6d3; color: #65325f; }
.tag-cat { background: #f0f0f3; border-color: #d6d6dc; color: #404048; }

.empty {
  grid-column: 1 / -1; padding: 60px 20px; text-align: center; color: var(--sub);
}

/* ========== Footer ========== */
.foot {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: rgba(255,255,255,.92); backdrop-filter: blur(10px);
  border-top: 1px solid var(--line); padding: 10px clamp(16px, 4vw, 48px);
  display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--sub);
}
.foot a { color: var(--ink); }
.foot a:hover { text-decoration: underline; }
.foot .dot { opacity: .5; }

/* ========== Zoom dialog ========== */
.zoom {
  border: 0; padding: 0; border-radius: 20px; max-width: 92vw; max-height: 90vh;
  background: #fff; box-shadow: 0 20px 60px rgba(0,0,0,.25);
}
.zoom::backdrop { background: rgba(0,0,0,.55); backdrop-filter: blur(4px); }
.zoom-close {
  position: absolute; top: 10px; right: 12px; width: 36px; height: 36px;
  border-radius: 999px; background: rgba(0,0,0,.05); font-size: 22px; line-height: 1; color: var(--ink);
}
.zoom-close:hover { background: rgba(0,0,0,.1); }
#zoom-img {
  max-width: 88vw; max-height: 70vh; display: block; margin: 30px auto 8px; object-fit: contain;
  background: #fff;
}
.zoom-meta { padding: 12px 22px 22px; text-align: center; }
.zoom-meta > div { margin-bottom: 4px; }
#zoom-name { font-weight: 600; font-size: 16px; }
#zoom-feature { color: var(--sub); font-size: 13px; }
#zoom-link {
  display: inline-block; margin-top: 8px; padding: 8px 14px;
  border: 1px solid var(--line); border-radius: 999px; font-size: 12px; color: var(--ink);
}
#zoom-link:hover { background: var(--ink); color: #fff; }