:root {
  --bg: #0b0b0f;
  --card: #111219;
  --text: #f4f6ff;
  --muted: rgba(244, 246, 255, 0.62);
  --line: rgba(244, 246, 255, 0.12);
  --accent: #7aa7ff;
  --accent2: #7bffd2;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: "Space Grotesk", "Zen Kaku Gothic New", ui-sans-serif, system-ui, -apple-system, "Hiragino Sans", sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

.bg-orb {
  position: fixed;
  border-radius: 999px;
  filter: blur(12px);
  opacity: 0.65;
  z-index: -2;
  animation: float 10s ease-in-out infinite;
}

.orb-1 {
  width: 520px;
  height: 520px;
  left: -120px;
  top: -160px;
  background: radial-gradient(circle, rgba(122, 167, 255, 0.45), transparent 60%);
}

.orb-2 {
  width: 420px;
  height: 420px;
  right: -140px;
  top: 120px;
  background: radial-gradient(circle, rgba(123, 255, 210, 0.35), transparent 60%);
  animation-delay: -2s;
}

.orb-3 {
  width: 520px;
  height: 520px;
  right: 10%;
  bottom: -220px;
  background: radial-gradient(circle, rgba(88, 140, 255, 0.28), transparent 65%);
  animation-delay: -4s;
}

.hero {
  padding: 72px 16px 40px;
}

.hero-inner {
  max-width: 900px;
  margin: 0 auto;
}

.eyebrow {
  font-size: 20px;
  letter-spacing: .08em;
  text-transform: none;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 18px;
}

@supports (-webkit-background-clip: text) or (background-clip: text) {
  .eyebrow {
    background: linear-gradient(90deg, rgba(122, 167, 255, 0.95), rgba(123, 255, 210, 0.85));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 16px rgba(122, 167, 255, 0.35);
  }
}

h1 {
  font-size: 40px;
  line-height: 1.2;
  margin: 0 0 16px;
  letter-spacing: 0.04em;
}

.lead {
  margin: 0 0 28px;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.7;
}

.sublead {
  margin: -12px 0 26px;
  font-size: 13px;
  color: rgba(244, 246, 255, 0.52);
  line-height: 1.7;
}

.campaign {
  margin: -12px 0 22px;
  font-size: 14px;
  font-weight: 700;
  color: #ffe7b3;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 12px;
  background:
    linear-gradient(180deg, rgba(18, 19, 28, 0.96), rgba(10, 11, 18, 0.92));
  border: 1px solid rgba(255, 205, 112, 0.6);
  box-shadow:
    0 12px 30px rgba(255, 196, 92, 0.25),
    inset 0 0 0 1px rgba(255, 255, 255, 0.04);
  line-height: 1.4;
}

.campaign::before {
  content: "キャンペーン中！";
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  background: linear-gradient(135deg, #ffd37a, #ffb56a);
  color: #3a2600;
  padding: 4px 8px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

.campaign br {
  display: none;
}

.cta-row {
  display: grid;
  gap: 10px;
  max-width: 420px;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 18px;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  color: #0b0b0f;
  background: linear-gradient(135deg, rgba(122, 167, 255, 0.95), rgba(123, 255, 210, 0.9));
  box-shadow: 0 12px 30px rgba(122, 167, 255, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 36px rgba(122, 167, 255, 0.45);
}

.cta-note {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
}

.content {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 16px 64px;
  display: grid;
  gap: 18px;
}

.panel {
  border: 1px solid rgba(16, 17, 20, 0.08);
  border-radius: 20px;
  padding: 20px;
  background: #f6f7fb;
  color: #111318;
  box-shadow: 0 16px 40px rgba(10, 12, 18, 0.15);
}

.panel h2 {
  margin: 0 0 14px;
  font-size: 16px;
  letter-spacing: 0.08em;
  color: #101114;
}

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

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: center;
  padding: 12px;
  border-radius: 14px;
  background: #ffffff;
  border: 1px solid rgba(16, 17, 20, 0.06);
}

.num {
  font-size: 12px;
  letter-spacing: 0.3em;
  color: #2f4db8;
  font-weight: 600;
}

.title {
  margin: 0;
  font-size: 15px;
}

.desc {
  margin: 4px 0 0;
  font-size: 13px;
  color: rgba(16, 17, 20, 0.7);
}

.desc.note {
  margin-top: 6px;
  font-size: 12px;
  color: rgba(16, 17, 20, 0.55);
}

.feature-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.feature {
  padding: 12px;
  border-radius: 14px;
  background: #ffffff;
  border: 1px solid rgba(16, 17, 20, 0.06);
}

.example {
  display: grid;
  gap: 20px;
}

.manage {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
  align-items: center;
}

.manage-text .lead-mini {
  margin-bottom: 10px;
}

.screen {
  width: 100%;
  max-width: 300px;
  justify-self: end;
  border-radius: 0;
  overflow: visible;
  background: transparent;
  border: none;
  box-shadow: none;
  transform: rotate(-2deg);
  transform-origin: center;
}

.screen img {
  width: 100%;
  height: auto;
  max-height: 560px;
  object-fit: cover;
  object-position: top;
  display: block;
  filter: drop-shadow(0 28px 54px rgba(10, 12, 18, 0.28));
}

.chat {
  border-radius: 18px;
  padding: 16px;
  background:
    radial-gradient(140px 70px at 22% 82%, rgba(255, 255, 255, 0.35), transparent 70%),
    radial-gradient(160px 80px at 46% 86%, rgba(255, 255, 255, 0.28), transparent 70%),
    radial-gradient(180px 90px at 70% 84%, rgba(255, 255, 255, 0.26), transparent 70%),
    #7392c0;
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.chat-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.chat-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #fff;
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #0b0b0f;
  overflow: hidden;
}

.chat-avatar img {
  width: 100%;
  height: 100%;
  display: block;
}

.chat-body {
  display: grid;
  gap: 10px;
  flex: 1;
  justify-items: start;
}

.chat-row.right {
  justify-content: flex-end;
}

.chat-row.user-row {
  margin-bottom: 8px;
}

.chat-row.right .chat-body {
  align-items: flex-end;
  justify-items: end;
}

.bubble {
  position: relative;
  border-radius: 25px;
  padding: 10px 14px;
  background: #fff;
  border: none;
  color: #101114;
  box-shadow: 0 2px 8px rgba(16, 17, 20, 0.10);
  display: inline-block;
  width: fit-content;
  max-width: 230px;
}

.bubble-text {
  margin: 0 0 6px;
  font-size: 13px;
  line-height: 1.6;
  color: #101114;
}

.bubble-text:last-child {
  margin-bottom: 0;
}

.bubble-tail::before {
  content: "";
  position: absolute;
  left: -8px;
  top: -10px;
  width: 18px;
  height: 35px;
  background: none;
  border: none;
  box-shadow: inset -3px -15px 0 -5px #fff;
  border-radius: 40px 0 0 40px;
}

.bubble.user {
  background: #85e249;
  color: #0b0b0f;
  box-shadow: 0 2px 8px rgba(16, 17, 20, 0.08);
  align-self: flex-end;
}

.bubble.user .bubble-text {
  color: #0b0b0f;
}

.bubble-tail-right::before {
  content: "";
  position: absolute;
  right: -8px;
  top: -10px;
  width: 18px;
  height: 35px;
  background: none;
  border: none;
  box-shadow: inset 3px -15px 0 -5px #85e249;
  border-radius: 0 40px 40px 0;
}


.note {
  margin: 0;
  padding-left: 18px;
  color: rgba(16, 17, 20, 0.7);
  font-size: 13px;
  line-height: 1.7;
}

.note strong {
  color: #101114;
  font-weight: 600;
}

.fits {
  margin: 0;
  padding-left: 18px;
  color: rgba(16, 17, 20, 0.7);
  font-size: 13px;
  line-height: 1.7;
}

.lead-mini {
  margin: 0 0 18px;
  font-size: 14px;
  color: rgba(16, 17, 20, 0.72);
  line-height: 1.7;
}

.fineprint {
  margin: 10px 0 0;
  font-size: 12px;
  color: rgba(16, 17, 20, 0.6);
}

.reveal {
  animation: fadeUp 0.7s ease both;
}

.reveal:nth-of-type(2) {
  animation-delay: 0.1s;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(12px);
  }
}

@media (max-width: 600px) {
  h1 {
    font-size: 30px;
  }

  .hero {
    padding-top: 56px;
  }

  .panel {
    padding: 16px;
  }

  .chips {
    gap: 6px;
  }
}

@media (max-width: 760px) {
  .manage {
    grid-template-columns: 1fr;
  }

  .screen {
    justify-self: center;
    max-width: 320px;
  }

  .screen img {
    max-height: none;
  }
}

.footer {
  padding: 24px 16px 40px;
}

.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.footer a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer a:hover {
  color: var(--text);
}

.dot {
  opacity: 0.6;
}

@media (max-width: 600px) {
  .footer-inner {
    flex-wrap: wrap;
    justify-content: center;
    row-gap: 6px;
  }

  .footer .dot {
    display: none;
  }
}
