@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700&display=swap');

:root {
  color-scheme: light;
  --bg: #f7f6f3;
  --card: #ffffff;
  --text: #1c1b1f;
  --muted: #5a5a66;
  --accent: #ff7b54;
  --accent-dark: #d7613f;
  --accent-soft: rgba(255, 123, 84, 0.08);
  --border: #e4e1da;
  --shadow: 0 20px 50px rgba(17, 24, 39, 0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  font-family: 'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', system-ui, -apple-system,
    BlinkMacSystemFont, 'Segoe UI', sans-serif;
  margin: 0;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  background: rgba(247, 246, 243, 0.8);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.nav {
  display: flex;
  gap: 20px;
  font-weight: 500;
  font-size: 0.95rem;
}

.nav a {
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.nav a:hover,
.nav a[aria-current='page'] {
  color: var(--accent);
  border-color: var(--accent);
}

.hero {
  padding: 80px 24px 40px;
}

.hero .container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2.5rem, 4vw, 3.4rem);
  margin: 0 0 20px;
  line-height: 1.2;
}

.hero-copy p {
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: 24px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  border-radius: 999px;
  padding: 14px 28px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(120deg, #ff7b54, #ff9770);
  color: #fff;
  box-shadow: 0 15px 30px rgba(255, 123, 84, 0.2);
}

.btn-secondary {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn:hover {
  transform: translateY(-1px);
}

.hero-preview {
  background: var(--card);
  padding: 30px;
  border-radius: 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.hero-preview h3 {
  margin-top: 0;
}

.tile-grid {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(6, minmax(36px, 1fr));
  gap: 10px;
}

.tile {
  aspect-ratio: 2 / 3;
  border-radius: 8px;
  background: var(--accent-soft);
  border: 1px solid rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--accent-dark);
}

section {
  padding: 30px 24px 10px;
}

section .container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: 1.9rem;
  margin-bottom: 18px;
}

.section-lead {
  color: var(--muted);
  margin-bottom: 32px;
}

.cards {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: var(--card);
  border-radius: 24px;
  padding: 24px;
  border: 1px solid var(--border);
  box-shadow: 0 15px 45px rgba(22, 31, 56, 0.06);
}

.card h3 {
  margin-top: 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-weight: 600;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--muted);
}

.feature-list li::before {
  content: '◎';
  color: var(--accent);
  font-weight: 700;
}

.cta {
  padding: 60px 24px 80px;
}

.cta-card {
  background: var(--text);
  color: #fff;
  border-radius: 32px;
  padding: 48px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  box-shadow: var(--shadow);
}

.cta-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.8);
}

.site-footer {
  padding: 40px 24px;
  border-top: 1px solid var(--border);
  background: #fff;
}

.site-footer .container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px;
  font-size: 0.9rem;
  color: var(--muted);
}

.support-grid,
.marketing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.notification {
  border-left: 4px solid var(--accent);
  padding: 12px 16px;
  background: var(--accent-soft);
  border-radius: 0 16px 16px 0;
  margin-bottom: 24px;
  color: var(--accent-dark);
  font-weight: 500;
}

.table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
}

.table th,
.table td {
  border: 1px solid var(--border);
  padding: 12px;
  text-align: left;
}

.table th {
  background: #faf9f5;
}

.stack-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.stack-list li {
  padding: 6px 12px;
  border-radius: 999px;
  background: #ededf0;
  font-size: 0.85rem;
  font-weight: 500;
}

.press-kit {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.press-kit a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: 16px;
  border: 1px solid var(--border);
  font-weight: 600;
  background: #fff;
}

.screenshot-grid {
  display: flex;
  flex-wrap: nowrap;
  gap: 18px;
  overflow-x: auto;
  padding-bottom: 10px;
}

.screenshot-card {
  flex: 0 0 240px;
  background: var(--card);
  border-radius: 20px;
  padding: 14px;
  border: 1px solid var(--border);
  box-shadow: 0 12px 30px rgba(17, 24, 39, 0.08);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.screenshot-card img {
  border-radius: 16px;
  width: 100%;
  height: auto;
  box-shadow: 0 16px 24px rgba(0, 0, 0, 0.08);
}

.screenshot-card h4 {
  margin: 0;
  font-size: 0.95rem;
}

.highlight {
  font-weight: 600;
  color: var(--accent-dark);
}

.breadcrumb {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 16px;
}

@media (max-width: 720px) {
  .site-header .container {
    flex-direction: column;
  }

  .nav {
    width: 100%;
    justify-content: space-around;
  }

  .hero {
    padding-top: 40px;
  }

  .cta-card {
    padding: 32px;
  }
}