:root {
  --ink: #18342f;
  --muted: #62756f;
  --line: #d9e7df;
  --paper: #fbfcf8;
  --panel: #ffffff;
  --green: #36a165;
  --green-dark: #22734a;
  --teal: #147d7a;
  --coral: #c65f4a;
  --gold: #d99736;
  --wash: #eef8f0;
  --shadow: 0 18px 44px rgba(34, 74, 58, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(180deg, #f7fbf5 0%, #fbfcf8 42%, #f6f8f6 100%);
  font-family: "Inter", "Noto Sans JP", "Hiragino Sans", "Yu Gothic", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.78;
}

a {
  color: inherit;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(218, 232, 224, 0.92);
  background: rgba(251, 252, 248, 0.94);
  backdrop-filter: blur(14px);
}

.topbar-inner,
.wrap {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar-inner {
  display: flex;
  min-height: 68px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  text-decoration: none;
  white-space: nowrap;
}

.mark {
  display: inline-flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border: 1px solid #b9dfc5;
  border-radius: 8px;
  background: #eef9f0;
  color: var(--green-dark);
}

.nav {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 10px 0;
}

.nav a,
.button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.nav a {
  padding: 0 14px;
}

.button {
  padding: 0 16px;
}

.button.primary {
  border-color: transparent;
  background: var(--green);
  color: #fff;
  box-shadow: 0 10px 22px rgba(54, 161, 101, 0.24);
}

.button.secondary {
  background: var(--wash);
  color: var(--green-dark);
}

.button.large {
  min-height: 52px;
  padding: 0 20px;
  font-size: 16px;
}

.wrap {
  padding: 34px 0 72px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.86fr);
  gap: 28px;
  align-items: center;
  padding: 26px 0 34px;
}

.eyebrow {
  margin-bottom: 10px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  max-width: 840px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.18;
  letter-spacing: 0;
}

h2 {
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.3;
  letter-spacing: 0;
}

h3 {
  font-size: 20px;
  line-height: 1.35;
}

.lead {
  max-width: 760px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 17px;
  font-weight: 680;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.note {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
}

.panel,
.card,
.mock,
.faq details,
.flow-card,
.comparison-wrap {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.panel {
  padding: 24px;
}

.mock {
  overflow: hidden;
}

.mock-image {
  min-height: 210px;
  background:
    linear-gradient(180deg, transparent 0%, rgba(24, 52, 47, 0.2) 100%),
    url("/images/landing-card-sample.jpg") center/contain no-repeat,
    linear-gradient(135deg, #edf4ea 0%, #f8fbf5 100%);
}

.mock-body {
  padding: 18px;
}

.mock-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.pill {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--wash);
  color: var(--green-dark);
  padding: 0 10px;
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}

.dates {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
}

.date {
  min-height: 74px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 9px 6px;
  text-align: center;
}

.date strong,
.date small {
  display: block;
}

.date.best {
  border-color: #e2b06d;
  background: #fff8ed;
}

.section {
  padding: 36px 0;
}

.section-heading {
  display: grid;
  max-width: 820px;
  gap: 10px;
  margin-bottom: 20px;
}

.section-heading p,
.article p,
.article li,
.faq p,
.card p,
.flow-card p,
.comparison td {
  color: var(--muted);
}

.feature-grid,
.flow-grid {
  display: grid;
  gap: 12px;
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.flow-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card,
.flow-card {
  padding: 18px;
  box-shadow: none;
}

.flow-card strong {
  display: inline-grid;
  width: 30px;
  height: 30px;
  margin-bottom: 10px;
  place-items: center;
  border-radius: 999px;
  background: var(--green);
  color: #fff;
}

.article {
  display: grid;
  gap: 22px;
  max-width: 880px;
  margin: 0 auto;
}

.article section {
  display: grid;
  gap: 10px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.article section:last-child {
  border-bottom: 0;
}

.comparison-wrap {
  overflow: hidden;
  box-shadow: none;
}

.comparison {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

.comparison th,
.comparison td {
  padding: 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.comparison tr:last-child td {
  border-bottom: 0;
}

.comparison th {
  background: #f0f7f2;
  color: var(--green-dark);
  font-size: 13px;
}

.faq {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.faq details {
  padding: 16px;
  box-shadow: none;
}

.faq summary {
  cursor: pointer;
  font-weight: 900;
}

.final-cta {
  display: grid;
  justify-items: center;
  gap: 14px;
  margin-top: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 28px;
  text-align: center;
  box-shadow: var(--shadow);
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

@media (max-width: 940px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .flow-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .topbar-inner {
    display: block;
    padding-top: 12px;
  }

  .wrap {
    width: min(100% - 22px, 440px);
    padding-top: 22px;
  }

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

  .hero {
    gap: 20px;
    padding-top: 18px;
  }

  .dates {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .button.large,
  .actions .button {
    width: 100%;
  }

  .comparison-wrap {
    overflow-x: auto;
  }

  .comparison {
    min-width: 720px;
  }
}