:root {
  --bg: #050505;
  --panel: #111111;
  --panel-2: #181818;
  --text: #ffffff;
  --muted: rgba(255, 255, 255, 0.68);
  --faint: rgba(255, 255, 255, 0.12);
  --accent: #ffffff;
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", Arial, sans-serif;
  background: radial-gradient(circle at top right, #222 0, #050505 36%);
  color: var(--text);
  line-height: 1.7;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 6vw;
  background: rgba(5, 5, 5, 0.78);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--faint);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: #fff;
  color: #000;
  font-size: 18px;
  font-weight: 900;
}

.nav {
  display: flex;
  gap: 18px;
  font-size: 14px;
  color: var(--muted);
}

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

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  align-items: center;
  gap: 48px;
  min-height: 78vh;
  padding: 70px 6vw 56px;
}

.eyebrow,
.section-kicker {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 20px;
  font-size: clamp(44px, 8vw, 84px);
  line-height: 1.02;
  letter-spacing: -0.06em;
}

h2 {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.2;
  letter-spacing: -0.04em;
}

h3 {
  margin-bottom: 8px;
  font-size: 19px;
}

.lead {
  max-width: 640px;
  color: var(--muted);
  font-size: 17px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 700;
}

.photo-chip span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.photo-chip strong {
  display: block;
  margin-top: 2px;
  color: var(--text);
  font-size: 15px;
}

.button.primary {
  background: #fff;
  color: #000;
}

.button.ghost {
  border: 1px solid var(--faint);
  color: var(--text);
}

.app-preview-card {
  width: min(360px, 100%);
  margin: 0 auto;
  padding: 10px;
  border: 1px solid var(--faint);
  border-radius: 42px;
  background: linear-gradient(145deg, #1c1c1c, #080808);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.45);
}

.app-preview-card img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 34px;
}

.section {
  padding: 76px 6vw;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.card,
.notice-box,
.contact-card,
.page section {
  border: 1px solid var(--faint);
  border-radius: var(--radius);
  background: rgba(17, 17, 17, 0.88);
}

.card {
  padding: 24px;
}

.card p,
.section p,
.page p,
.page li {
  color: var(--muted);
}

.card-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  border-radius: 16px;
  background: #fff;
  color: #000;
  font-size: 22px;
}

.split {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 28px;
  align-items: start;
}

.notice-box {
  padding: 24px;
}

.notice-box ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.page {
  width: min(900px, 88vw);
  margin: 0 auto;
  padding: 72px 0;
}

.page h1 {
  font-size: clamp(38px, 6vw, 64px);
}

.updated,
.small-note {
  font-size: 13px;
  color: var(--muted);
}

.page section {
  padding: 22px;
  margin-top: 16px;
}

.page section h2 {
  margin-bottom: 8px;
  font-size: 21px;
  letter-spacing: 0;
}

.page a {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.contact-card {
  padding: 24px;
  margin-top: 24px;
}

.contact-card .label {
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.contact-card a {
  font-size: 22px;
  font-weight: 800;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 28px 6vw;
  border-top: 1px solid var(--faint);
  color: var(--muted);
  font-size: 13px;
}

.footer-links {
  display: flex;
  gap: 14px;
}

@media (max-width: 760px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
  }

  .hero,
  .split,
  .cards {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 46px;
  }

  .map-preview {
    height: 420px;
  }
}
