:root {
  --bg: #fbfaf7;
  --paper: #ffffff;
  --ink: #1f2622;
  --muted: #6b7671;
  --line: #ece8e0;
  --soft: #f6f4ee;
  --green: #1aa06b;
  --green-deep: #12805570;
  --green-soft: #e7f6ee;
  --cream: #fff6e6;
  --gold: #e0a935;
  --coral: #ef7a5a;
  --shadow: 0 20px 45px rgba(31, 38, 34, 0.07);
  --shadow-soft: 0 10px 24px rgba(31, 38, 34, 0.05);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 78% -10%, var(--green-soft), transparent 60%),
    radial-gradient(900px 500px at 0% 8%, var(--cream), transparent 55%),
    var(--bg);
  color: var(--ink);
  font-family:
    "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, Inter, system-ui,
    sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

main {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
  padding-bottom: 40px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  background: rgba(251, 250, 247, 0.82);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
  margin-right: auto;
}

.brand span {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 12px;
  background: var(--green);
  color: #fff;
  font-weight: 800;
  font-size: 18px;
  box-shadow: 0 8px 18px rgba(26, 160, 107, 0.3);
}

.brand strong {
  font-size: 19px;
  letter-spacing: 0.02em;
}

.site-header nav {
  display: none;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  padding: 5px;
  box-shadow: var(--shadow-soft);
}

.site-header nav a {
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  padding: 8px 15px;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}

.site-header nav a:hover {
  background: var(--green-soft);
  color: var(--green);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  padding: 10px 18px;
  text-decoration: none;
  box-shadow: var(--shadow-soft);
}

/* Hero */
.hero-section {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 48px;
  align-items: center;
  padding: 56px 0 48px;
}

.eyebrow {
  display: inline-block;
  margin: 0;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
}

.hero-copy h1 {
  margin: 18px 0 0;
  font-size: clamp(34px, 6vw, 60px);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.lead {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 2;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 32px;
}

.hero-actions .note {
  color: var(--muted);
  font-size: 13px;
}

.primary-button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 14px;
  background: var(--green);
  color: #fff;
  font-weight: 800;
  font-size: 16px;
  padding: 0 28px;
  text-decoration: none;
  box-shadow: 0 16px 30px rgba(26, 160, 107, 0.28);
  transition: transform 0.12s, box-shadow 0.12s;
}

.primary-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 36px rgba(26, 160, 107, 0.34);
}

/* Hero panel */
.hero-panel {
  display: grid;
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--paper);
  box-shadow: var(--shadow);
  padding: 20px;
}

.phone-notice {
  border-radius: 18px;
  background: var(--soft);
  padding: 16px 18px;
}

.notice-app {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.notice-icon {
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  border-radius: 7px;
  background: var(--green);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
}

.phone-notice strong {
  display: block;
  margin-top: 10px;
  font-size: 17px;
}

.phone-notice p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.cash-card {
  border-radius: 18px;
  background: linear-gradient(135deg, #1aa06b, #12805a);
  color: #fff;
  padding: 20px;
}

.cash-card span {
  color: rgba(255, 255, 255, 0.82);
  font-size: 13px;
  font-weight: 600;
}

.cash-card strong {
  display: block;
  margin-top: 6px;
  font-size: 40px;
  line-height: 1;
  letter-spacing: -0.01em;
}

.cash-card p {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 14px;
}

.mini-steps {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 4px 4px 2px;
  list-style: none;
}

.mini-steps li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.mini-steps li span {
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  border: 2px solid var(--line);
  background: #fff;
}

.mini-steps li.done {
  color: var(--ink);
}

.mini-steps li.done span {
  border-color: var(--green);
  background: var(--green);
}

.mini-steps li.done span::after {
  content: "";
  width: 5px;
  height: 9px;
  margin-top: -2px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* Shared section shell */
.problem-section,
.counter-section,
.features-section,
.steps-section,
.waitlist-section {
  margin-top: 20px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--paper);
  box-shadow: var(--shadow);
  padding: 40px;
}

.section-heading {
  max-width: 680px;
}

h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

/* Problem */
.problem-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 32px;
  align-items: start;
}

.pain-list {
  display: grid;
  gap: 12px;
}

.pain-list div {
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--soft);
  padding: 16px 18px;
}

.pain-list span {
  display: grid;
  place-items: center;
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: #fdecea;
  color: var(--coral);
  font-weight: 800;
  font-size: 15px;
}

.pain-list p {
  margin: 0;
  color: #3a443e;
  font-size: 15px;
  line-height: 1.6;
}

/* Counter */
.counter-section {
  text-align: center;
  background:
    linear-gradient(135deg, rgba(26, 160, 107, 0.1), rgba(224, 169, 53, 0.1)),
    var(--paper);
}

.counter-section h2 {
  max-width: 760px;
  margin-inline: auto;
}

.counter-section p {
  max-width: 620px;
  margin: 18px auto 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.95;
}

/* Features */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.feature-grid article {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--soft);
  padding: 22px;
  transition: transform 0.12s, box-shadow 0.12s;
}

.feature-grid article:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-soft);
}

.feature-num {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 11px;
  background: var(--green-soft);
  color: var(--green);
  font-weight: 800;
  font-size: 16px;
}

.feature-grid h3 {
  margin: 14px 0 0;
  font-size: 18px;
  line-height: 1.4;
}

.feature-grid p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

/* Steps */
.step-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.step-list li {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--soft);
  padding: 24px 22px;
}

.step-num {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: var(--green);
  color: #fff;
  font-weight: 800;
  font-size: 18px;
  box-shadow: 0 10px 20px rgba(26, 160, 107, 0.28);
}

.step-list strong {
  display: block;
  margin-top: 16px;
  font-size: 18px;
}

.step-list p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

/* Waitlist */
.waitlist-section {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 32px;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(26, 160, 107, 0.08), rgba(255, 246, 230, 0.6)),
    var(--paper);
}

.waitlist-card {
  display: grid;
  gap: 18px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--paper);
  box-shadow: var(--shadow-soft);
  padding: 26px;
}

.waitlist-card strong {
  display: block;
  font-size: 18px;
}

.waitlist-card ul {
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  color: #3a443e;
}

.waitlist-card ul li {
  position: relative;
  padding-left: 28px;
  line-height: 1.6;
}

.waitlist-card ul li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  width: 6px;
  height: 11px;
  border: solid var(--green);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.setup-note {
  border: 1px dashed rgba(239, 122, 90, 0.55);
  border-radius: 16px;
  background: #fff7f4;
  padding: 16px;
}

.setup-note strong {
  color: #c0492c;
  font-size: 15px;
}

.setup-note p {
  margin: 8px 0 0;
  color: #8a5642;
  font-size: 14px;
  line-height: 1.7;
}

.setup-note code {
  background: #ffe9e1;
  border-radius: 6px;
  padding: 1px 6px;
  font-size: 13px;
}

/* Footer */
.site-footer {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
  padding: 24px 4px 8px;
  color: var(--muted);
}

.brand-mini {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  color: var(--ink);
}

.brand-mini span {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--green);
  color: #fff;
  font-size: 13px;
}

.site-footer p {
  margin: 0;
  font-size: 14px;
}

/* Responsive */
@media (min-width: 760px) {
  .site-header nav {
    display: flex;
    margin-right: 4px;
  }
}

@media (max-width: 900px) {
  .hero-section,
  .problem-section,
  .waitlist-section {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .step-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  main {
    width: calc(100% - 28px);
  }

  .nav-cta {
    display: none;
  }

  .hero-section {
    padding: 36px 0 32px;
  }

  .problem-section,
  .counter-section,
  .features-section,
  .steps-section,
  .waitlist-section {
    padding: 26px 22px;
    border-radius: 22px;
  }

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

  .hero-actions {
    align-items: flex-start;
  }

  .primary-button {
    width: 100%;
  }
}
