:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --bg-2: #ecf1f8;
  --panel: rgba(255, 255, 255, 0.86);
  --panel-strong: rgba(255, 255, 255, 0.96);
  --text: #0f172a;
  --muted: #5b6476;
  --line: rgba(15, 23, 42, 0.1);
  --accent: #d97706;
  --accent-2: #7c3aed;
  --shadow: 0 28px 70px rgba(15, 23, 42, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family:
    "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 12%, rgba(217, 119, 6, 0.12), transparent 26%),
    radial-gradient(circle at 90% 10%, rgba(124, 58, 237, 0.12), transparent 24%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 48%, var(--bg-2) 100%);
}

.page {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 72px;
}

.hero,
.section {
  margin-top: 20px;
}

.hero {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.76));
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.hero.slim {
  padding-bottom: 24px;
}

.hero-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(180deg, #111827 0%, #1f2937 100%);
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.03em;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.2);
}

.brand-name {
  margin: 0;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.eyebrow {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 800;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 0.92rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.9fr);
  gap: 24px;
  align-items: center;
}

.tag {
  display: inline-flex;
  align-items: center;
  margin: 0 0 14px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(217, 119, 6, 0.1);
  color: #92400e;
  font-size: 0.86rem;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(2.3rem, 5vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.lead {
  max-width: 62ch;
  margin: 18px 0 0;
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--muted);
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.button,
.text-link {
  text-decoration: none;
  font-weight: 700;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

.button.primary {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%);
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.stat {
  padding: 14px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.8);
}

.stat strong {
  display: block;
  font-size: 1.02rem;
}

.stat span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-panel {
  align-self: stretch;
}

.panel-surface {
  display: grid;
  gap: 12px;
  padding: 18px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.98) 0%, rgba(31, 41, 55, 0.95) 100%);
  color: #fff;
  box-shadow: 0 18px 50px rgba(15, 23, 42, 0.28);
}

.panel-kicker {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.preview-card {
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.preview-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.92rem;
}

.preview-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.16);
}

.preview-body {
  padding: 16px;
}

.preview-title {
  font-size: 1.1rem;
  font-weight: 800;
  line-height: 1.45;
}

.preview-action {
  margin-top: 10px;
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, #fbbf24 0%, #fb7185 100%);
  color: #1f2937;
  font-weight: 800;
}

.preview-list {
  margin: 14px 0 0;
  padding-left: 1.15rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.8;
}

.section {
  display: grid;
  gap: 18px;
}

.section-head {
  display: grid;
  gap: 8px;
}

.section-head h2,
.card h2,
.card h3,
.step h3 {
  margin: 0;
  letter-spacing: -0.02em;
}

.section-head h2 {
  font-size: clamp(1.5rem, 2.4vw, 2.2rem);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.card {
  padding: 22px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.06);
  backdrop-filter: blur(10px);
}

.card.full {
  background: var(--panel-strong);
}

.card p,
.card li,
.step p {
  color: var(--muted);
  line-height: 1.8;
}

.card h3 {
  margin-bottom: 10px;
  font-size: 1.02rem;
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.timeline {
  display: grid;
  gap: 12px;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding: 18px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.8);
}

.step-num {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(180deg, #111827 0%, #374151 100%);
  color: #fff;
  font-weight: 800;
}

.accent-card {
  background:
    radial-gradient(circle at top right, rgba(217, 119, 6, 0.12), transparent 30%),
    rgba(255, 255, 255, 0.9);
}

.text-link {
  display: inline-flex;
  margin-top: 12px;
  color: var(--accent-2);
}

.contact-list {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.contact-list div {
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
}

.contact-list span {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 6px;
}

.contact-list strong {
  font-size: 1rem;
}

ul,
ol {
  margin: 0;
  padding-left: 1.2rem;
}

code {
  padding: 0.15em 0.35em;
  border-radius: 6px;
  background: rgba(217, 119, 6, 0.08);
}

@media (max-width: 980px) {
  .hero-grid,
  .feature-grid,
  .split {
    grid-template-columns: 1fr;
  }

  .stats {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .page {
    width: min(100% - 20px, 1120px);
    padding-top: 18px;
  }

  .hero,
  .card {
    border-radius: 22px;
  }

  .hero-top {
    align-items: flex-start;
    flex-direction: column;
  }

  h1 {
    font-size: clamp(2rem, 10vw, 3.4rem);
  }
}