:root {
  color-scheme: light;
  --ink: #17352d;
  --muted: #526b62;
  --surface: #f8fbf7;
  --paper: #ffffff;
  --line: #d5e3dc;
  --green: #006c57;
  --mint: #d7efe6;
  --warm: #ffb36b;
  --sky: #b9d8ff;
  --pink: #f6b2c2;
  --shadow: 0 24px 80px rgba(23, 53, 45, 0.14);
  font-family:
    "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", system-ui,
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(248, 251, 247, 0.88);
  border-bottom: 1px solid rgba(213, 227, 220, 0.8);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 3vw, 28px);
  color: var(--muted);
  font-size: 14px;
}

nav a {
  text-decoration: none;
}

.hero {
  min-height: 82svh;
  display: grid;
  align-items: center;
  padding: 84px clamp(24px, 8vw, 132px) 96px;
  background:
    linear-gradient(90deg, rgba(248, 251, 247, 0.96), rgba(248, 251, 247, 0.74)),
    url("assets/hero-bg.png") center / cover no-repeat;
  border-bottom: 1px solid var(--line);
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: clamp(58px, 10vw, 132px);
  line-height: 0.98;
  letter-spacing: 0;
}

.lead {
  max-width: 620px;
  margin: 26px 0 0;
  color: #274a41;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.55;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  margin-top: 34px;
  padding: 0 24px;
  border-radius: 999px;
  background: var(--warm);
  color: #3a2719;
  font-weight: 800;
  text-decoration: none;
}

.section-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 88px clamp(22px, 5vw, 48px);
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 7vw, 92px);
  align-items: start;
}

.intro-band,
.privacy-band {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

h2 {
  margin: 0;
  font-size: clamp(34px, 6vw, 72px);
  line-height: 1.08;
  letter-spacing: 0;
}

.section-inner p,
.feature-card p,
.policy-body p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.85;
}

.feature-grid {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 28px clamp(22px, 5vw, 48px) 96px;
}

.feature-card {
  min-height: 260px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.feature-card h3 {
  margin: 22px 0 10px;
  font-size: 24px;
  letter-spacing: 0;
}

.mark {
  display: block;
  width: 44px;
  height: 8px;
  border-radius: 999px;
}

.mark-warm {
  background: var(--warm);
}

.mark-sky {
  background: var(--sky);
}

.mark-pink {
  background: var(--pink);
}

.screens-band {
  background: #eaf5ef;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.video-band {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.video-layout {
  align-items: center;
}

.promo-video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--ink);
  box-shadow: var(--shadow);
}

.screen-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 4vw, 44px);
  align-items: start;
  margin-top: 42px;
}

.screen-row img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.text-link {
  color: var(--green);
  font-weight: 800;
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 26px clamp(22px, 5vw, 56px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.footer-link {
  color: var(--green);
  font-weight: 800;
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

.policy-page {
  background: var(--paper);
}

.policy-hero {
  padding: 96px clamp(22px, 8vw, 132px) 72px;
  background: var(--mint);
  border-bottom: 1px solid var(--line);
}

.policy-hero h1 {
  font-size: clamp(44px, 7vw, 88px);
}

.policy-body {
  max-width: 860px;
  margin: 0 auto;
  padding: 64px clamp(22px, 5vw, 44px) 96px;
}

.policy-body h2 {
  margin-top: 48px;
  font-size: clamp(26px, 4vw, 38px);
}

.policy-body h2:first-child {
  margin-top: 0;
}

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

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

  .hero {
    min-height: 78svh;
    padding-top: 72px;
  }

  .two-column,
  .feature-grid,
  .screen-row {
    grid-template-columns: 1fr;
  }

  .feature-card {
    min-height: 0;
  }

  .site-footer {
    flex-direction: column;
  }
}