:root {
  --bg: #f8f7f4;
  --surface: #ffffff;
  --ink: #1c1917;
  --sub: #6f6a63;
  --line: #e7e3dc;
  --accent: #d9366b;
  --accent-soft: #fdeef3;
  --link: #185fa8;
  --moppy: #b45309;
  --moppy-bg: #fef3e2;
  --hapitas: #0f766e;
  --hapitas-bg: #e6f6f4;
  --pointincome: #9d3ea8;
  --pointincome-bg: #f8ecfa;
  --chobirich: #b91c1c;
  --chobirich-bg: #fdeaea;
  --pointtown: #1d4ed8;
  --pointtown-bg: #e8effc;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(28, 25, 23, 0.05), 0 8px 24px rgba(28, 25, 23, 0.06);
  --font:
    "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", Meiryo,
    sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: var(--font);
  color: var(--ink);
  min-height: 100%;
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 20px 64px;
}

.hero {
  margin-bottom: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.brand::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--accent);
  transform: rotate(45deg);
}

.hero h1 {
  margin: 0 0 10px;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.hero p {
  margin: 0;
  color: var(--sub);
  line-height: 1.7;
  font-size: 0.95rem;
}

.modeSwitch {
  display: inline-flex;
  gap: 4px;
  margin-bottom: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px;
}

.modeButton {
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--sub);
  font: inherit;
  font-size: 0.88rem;
  font-weight: 700;
  padding: 8px 18px;
  cursor: pointer;
  transition:
    background 0.15s ease,
    color 0.15s ease;
}

.modeButton.active {
  background: var(--accent);
  color: #fff;
}

.answer {
  margin-top: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow);
}

.answer h2 {
  margin: 0 0 8px;
  font-size: 0.92rem;
  color: var(--accent);
}

.answer p {
  margin: 0;
  line-height: 1.8;
  white-space: pre-wrap;
}

.answer .agentTrace {
  margin-top: 12px;
  font-size: 0.82rem;
  color: var(--sub);
}

.answer .agentTrace summary {
  cursor: pointer;
  color: var(--accent);
  font-weight: 600;
}

.answer .agentTrace ol {
  margin: 8px 0 0;
  padding-left: 0;
  list-style: none;
  border-left: 2px solid var(--line);
}

.answer .agentTrace li {
  padding: 4px 0 4px 12px;
  line-height: 1.6;
}

.answer .agentTrace .traceLabel {
  display: inline-block;
  margin-right: 8px;
  padding: 0 8px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  background: var(--accent-soft);
  color: var(--accent);
  white-space: nowrap;
}

.answer .agentTrace li.thought .traceLabel {
  background: var(--pointtown-bg);
  color: var(--pointtown);
}

.answer .agentTrace .traceText {
  white-space: pre-wrap;
}

.searchBox {
  display: flex;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 6px 6px 20px;
  box-shadow: var(--shadow);
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease;
}

.searchBox:focus-within {
  border-color: var(--accent);
  box-shadow:
    0 0 0 3px var(--accent-soft),
    var(--shadow);
}

.searchBox input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 1rem;
  color: var(--ink);
  outline: none;
}

.searchBox input::placeholder {
  color: #b0aaa1;
}

.searchBox button {
  border: 0;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-size: 0.92rem;
  font-weight: 700;
  padding: 10px 22px;
  cursor: pointer;
  transition:
    background 0.15s ease,
    transform 0.1s ease;
}

.searchBox button:hover:not([disabled]) {
  background: #c02859;
}

.searchBox button:active:not([disabled]) {
  transform: scale(0.97);
}

.searchBox button[disabled] {
  opacity: 0.55;
  cursor: default;
}

.meta {
  margin: 18px 4px 14px;
  font-size: 0.88rem;
  color: var(--sub);
}

.meta.error {
  color: #b3261e;
}

.grid {
  display: grid;
  gap: 14px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
  animation: rise 240ms ease both;
}

.cardHead {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.card h2 {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.5;
}

.card .desc {
  margin: 0;
  line-height: 1.7;
  font-size: 0.9rem;
  color: var(--sub);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.site {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 999px;
  padding: 4px 10px;
  letter-spacing: 0.02em;
}

.site.moppy {
  background: var(--moppy-bg);
  color: var(--moppy);
}

.site.hapitas {
  background: var(--hapitas-bg);
  color: var(--hapitas);
}

.site.pointincome {
  background: var(--pointincome-bg);
  color: var(--pointincome);
}

.site.chobirich {
  background: var(--chobirich-bg);
  color: var(--chobirich);
}

.site.pointtown {
  background: var(--pointtown-bg);
  color: var(--pointtown);
}

.cardFoot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.point {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
}

.point.none {
  color: var(--sub);
  font-weight: 400;
  font-size: 0.85rem;
}

a.offerLink {
  color: var(--link);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.88rem;
  white-space: nowrap;
}

a.offerLink:hover {
  text-decoration: underline;
}

a.offerLink::after {
  content: " \2197";
}

.empty {
  padding: 48px 20px;
  text-align: center;
  color: var(--sub);
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px dashed var(--line);
  font-size: 0.92rem;
  line-height: 1.7;
}

@keyframes rise {
  from {
    transform: translateY(6px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@media (max-width: 560px) {
  main {
    padding-top: 32px;
  }

  .searchBox {
    border-radius: var(--radius);
    flex-direction: column;
    padding: 12px;
  }

  .searchBox input {
    padding: 4px 8px;
  }

  .searchBox button {
    height: 44px;
    border-radius: 10px;
  }

  .cardFoot {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
}