:root {
  --ink: #17201c;
  --muted: #4f5c55;
  --line: #dde3dc;
  --paper: #fbfcf8;
  --mist: #f6f7f2;
  --green: #143f4a;
  --green-2: #285d3c;
  --accent: #b7411f;
  --accent-soft: #fff2ec;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--mist);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans",
    "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.75;
}

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

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

.container {
  width: min(1140px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgb(251 252 248 / 94%);
  backdrop-filter: blur(10px);
}

.nav {
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand,
.nav a,
.header-cta {
  font-size: 14px;
  font-weight: 900;
}

.brand {
  color: var(--green);
  letter-spacing: 0.02em;
}

.nav nav {
  display: flex;
  gap: 22px;
  color: var(--muted);
}

.header-cta {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  border-radius: 6px;
  background: var(--accent);
  padding: 8px 14px;
  color: white;
}

.hero {
  background: var(--paper);
  padding: 56px 0 64px;
}

.hero-grid,
.split,
.logic-grid,
.roi-grid,
.final-grid {
  display: grid;
  gap: 40px;
}

.hero-grid {
  grid-template-columns: 1.02fr 0.98fr;
  align-items: center;
}

.split {
  grid-template-columns: minmax(0, 1fr) 420px;
  align-items: center;
}

.logic-grid {
  grid-template-columns: 0.9fr 1.1fr;
}

.roi-grid {
  grid-template-columns: 0.85fr 1.15fr;
  align-items: center;
}

.final-grid {
  grid-template-columns: 1fr auto;
  align-items: center;
}

.badge {
  display: inline-flex;
  margin: 0;
  border: 1px solid #f1c8b8;
  border-radius: 6px;
  background: var(--accent-soft);
  padding: 8px 12px;
  color: #9c351b;
  font-size: 14px;
  font-weight: 900;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(40px, 5.4vw, 68px);
  font-weight: 950;
  letter-spacing: 0;
  line-height: 1.08;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 3.7vw, 46px);
  font-weight: 950;
  letter-spacing: 0;
  line-height: 1.18;
}

h3 {
  margin-bottom: 12px;
  font-size: 20px;
  font-weight: 950;
  line-height: 1.35;
}

.lead {
  max-width: 680px;
  color: #425048;
  font-size: 18px;
  line-height: 1.9;
}

.muted {
  color: #647068;
  font-size: 14px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 28px;
  border: 1px solid #d8e0d8;
  border-radius: 10px;
  background: white;
  padding: 16px;
}

.stats div {
  min-width: 0;
}

.stats strong {
  display: block;
  color: var(--green);
  font-size: 24px;
  line-height: 1.3;
}

.stats div:nth-child(2) strong {
  color: var(--accent);
}

.stats div:nth-child(3) strong {
  color: var(--green-2);
}

.stats span {
  display: block;
  color: #2f3d35;
  font-size: 14px;
  font-weight: 800;
}

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

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  padding: 13px 20px;
  font-size: 14px;
  font-weight: 950;
  text-align: center;
}

.button.primary {
  background: var(--green);
  color: white;
}

.button.accent {
  background: var(--accent);
  color: white;
}

.button.light {
  background: white;
  color: var(--green);
}

.button.full {
  width: 100%;
}

.preview-card,
.download-box,
.sheet-box,
.logic-box,
.cards article {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: white;
}

.preview-card {
  padding: 12px;
  box-shadow: 0 22px 70px rgb(20 63 74 / 16%);
}

.preview-card img {
  border: 1px solid var(--line);
  border-radius: 8px;
}

.preview-labels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  border-top: 1px solid var(--line);
  padding: 14px;
  color: #425048;
  font-size: 14px;
  font-weight: 900;
}

.roi {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--green);
  padding: 48px 0;
  color: white;
}

.section-kicker {
  margin-bottom: 8px;
  color: var(--green);
  font-size: 14px;
  font-weight: 950;
}

.roi .section-kicker,
.final-cta .section-kicker {
  color: #a8d9e2;
}

.roi-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.roi-cards div {
  border: 1px solid rgb(255 255 255 / 20%);
  border-radius: 10px;
  background: rgb(255 255 255 / 10%);
  padding: 18px;
}

.roi-cards span {
  color: rgb(255 255 255 / 76%);
  font-size: 14px;
}

.roi-cards strong {
  display: block;
  margin-top: 8px;
  font-size: 34px;
  line-height: 1.2;
}

.section {
  padding: 70px 0;
}

.section.white {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: white;
}

.section-head {
  max-width: 780px;
  margin-bottom: 32px;
}

.section p,
.download-box li {
  color: var(--muted);
}

.cards {
  display: grid;
  gap: 16px;
}

.cards.three {
  grid-template-columns: repeat(3, 1fr);
}

.cards.two {
  grid-template-columns: repeat(2, 1fr);
}

.cards.compact {
  margin-top: 24px;
}

.cards article,
.download-box,
.sheet-box,
.logic-box {
  padding: 24px;
}

.notice {
  border: 1px solid #f0d3bd;
  border-radius: 8px;
  background: #fff7ee;
  padding: 16px;
  color: #7d3d1d !important;
  font-size: 14px;
  font-weight: 850;
}

.download-box ul {
  margin: 18px 0 0;
  padding-left: 20px;
}

.logic-box.dark {
  background: var(--green);
  color: white;
}

.logic-box.dark p {
  color: rgb(255 255 255 / 75%);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.chips span {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--mist);
  padding: 8px 10px;
  color: #2f3d35;
  font-size: 14px;
  font-weight: 850;
}

.dark .chips span {
  border-color: rgb(255 255 255 / 16%);
  background: rgb(255 255 255 / 11%);
  color: white;
}

.table {
  overflow: hidden;
  margin-top: 24px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: white;
}

.table-row {
  display: grid;
  grid-template-columns: 1fr 0.75fr 1.25fr 120px;
  gap: 14px;
  border-bottom: 1px solid var(--line);
  padding: 16px;
  color: var(--muted);
  font-size: 14px;
}

.table-row:last-child {
  border-bottom: 0;
}

.table-head {
  background: var(--mist);
  color: #2f3d35;
  font-weight: 950;
}

.table-row strong {
  color: var(--accent);
}

.price-box {
  margin-top: 30px;
  border: 1px solid #e2d8c8;
  border-radius: 10px;
  background: white;
  padding: 22px;
}

.price-box {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
}

.price-box span {
  display: block;
  color: #7d3d1d;
  font-size: 14px;
  font-weight: 950;
}

.price-box strong {
  display: block;
  color: var(--accent);
  font-size: 52px;
  line-height: 1.1;
}

.outcomes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 18px;
}

.outcomes span,
.sheet-box span {
  border-radius: 6px;
  background: var(--mist);
  padding: 11px 12px;
  color: #2f3d35;
  font-size: 14px;
  font-weight: 850;
}

.sheet-box {
  align-self: start;
}

.sheet-box span {
  display: block;
  margin-top: 8px;
  border: 1px solid var(--line);
}

.sheet-box p {
  margin-top: 18px;
  border: 1px solid #d3e5d6;
  border-radius: 8px;
  background: #eef8f1;
  padding: 16px;
  color: #285d3c;
  font-size: 14px;
  font-weight: 850;
}

.accent-text {
  color: var(--accent);
}

.privacy-box {
  max-width: 920px;
  border: 1px solid #d3e5d6;
  border-radius: 10px;
  background: #eef8f1;
  padding: 32px;
}

.privacy-box p {
  color: #375944;
}

.final-cta {
  background: var(--green);
  padding: 56px 0;
  color: white;
}

.final-cta h2 {
  margin-bottom: 0;
}

footer {
  background: #17201c;
  color: white;
  padding: 28px 0;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: rgb(255 255 255 / 82%);
  font-size: 14px;
}

@media (max-width: 920px) {
  .nav nav {
    display: none;
  }

  .hero-grid,
  .split,
  .logic-grid,
  .roi-grid,
  .final-grid,
  .cards.three,
  .cards.two,
  .roi-cards,
  .stats,
  .outcomes {
    grid-template-columns: 1fr;
  }

  .table-row {
    grid-template-columns: 1fr;
  }

  .price-box,
  .footer-grid {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 560px) {
  .header-cta {
    display: none;
  }

  .hero {
    padding-top: 36px;
  }

  .section {
    padding: 54px 0;
  }

  h1 {
    font-size: 38px;
  }

  .button {
    width: 100%;
  }
}