:root {
  --bg: #f6efe3;
  --bg-soft: #fff9ef;
  --surface: rgba(255, 252, 246, 0.84);
  --surface-strong: #fffdf9;
  --ink: #1d1a17;
  --ink-soft: #5b5248;
  --line: rgba(62, 48, 37, 0.12);
  --brand: #0f7a62;
  --brand-strong: #085846;
  --accent: #e28a39;
  --accent-soft: rgba(226, 138, 57, 0.14);
  --hero: linear-gradient(135deg, #f2e1be 0%, #f7f3ea 45%, #dbeee8 100%);
  --shadow: 0 18px 45px rgba(33, 26, 20, 0.08);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --max-width: 1120px;
  --nav-height: 78px;
  --font-display: "Avenir Next", "Helvetica Neue", "Noto Sans JP", sans-serif;
  --font-body: "Noto Sans JP", "Hiragino Sans", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(226, 138, 57, 0.18), transparent 28%),
    radial-gradient(circle at bottom right, rgba(15, 122, 98, 0.12), transparent 26%),
    var(--bg);
  font-family: var(--font-body);
  line-height: 1.75;
}

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

img {
  max-width: 100%;
}

.page-shell {
  min-height: 100vh;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(246, 239, 227, 0.78);
  border-bottom: 1px solid rgba(62, 48, 37, 0.08);
}

.nav {
  width: min(calc(100% - 32px), var(--max-width));
  min-height: var(--nav-height);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, var(--brand), var(--brand-strong));
  color: #fff;
  box-shadow: 0 14px 26px rgba(15, 122, 98, 0.24);
  font-weight: 800;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--ink-soft);
  font-size: 0.96rem;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--ink);
}

.nav-cta,
.button-primary,
.button-secondary,
.button-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.nav-cta,
.button-primary {
  padding: 12px 18px;
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  color: #fff;
  box-shadow: 0 14px 28px rgba(15, 122, 98, 0.22);
}

.button-secondary,
.button-ghost {
  padding: 11px 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.65);
  color: var(--ink);
}

.button-ghost {
  background: transparent;
}

.nav-cta:hover,
.button-primary:hover,
.button-secondary:hover,
.button-ghost:hover {
  transform: translateY(-1px);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
}

.menu-button span,
.menu-button::before,
.menu-button::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
}

.hero {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 30px auto 0;
  padding: 42px 34px 34px;
  border: 1px solid rgba(62, 48, 37, 0.1);
  border-radius: calc(var(--radius-lg) + 6px);
  background: var(--hero);
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -60px -120px auto;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15, 122, 98, 0.18), transparent 68%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.9fr);
  gap: 32px;
  position: relative;
  z-index: 1;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(62, 48, 37, 0.1);
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.hero h1 {
  margin: 18px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4.6rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.hero-copy {
  max-width: 58ch;
  color: var(--ink-soft);
  font-size: 1.04rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(62, 48, 37, 0.09);
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.hero-panel {
  padding: 20px;
  border-radius: var(--radius-lg);
  background: rgba(255, 253, 249, 0.82);
  border: 1px solid rgba(62, 48, 37, 0.1);
  box-shadow: 0 14px 30px rgba(62, 48, 37, 0.08);
}

.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: #7a4310;
  font-size: 0.9rem;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 8px rgba(226, 138, 57, 0.16);
}

.checklist {
  margin: 0;
  padding: 0;
  list-style: none;
}

.checklist li {
  display: flex;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(62, 48, 37, 0.08);
}

.checklist li:last-child {
  border-bottom: none;
}

.checkmark {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  background: rgba(15, 122, 98, 0.14);
  color: var(--brand-strong);
  font-weight: 800;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.metric-card {
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(62, 48, 37, 0.08);
}

.metric-card strong {
  display: block;
  font-size: 1.5rem;
  line-height: 1;
}

.section {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 26px auto 0;
  padding: 32px 0 0;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.section-head h2,
.article-wrap h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  line-height: 1.1;
}

.section-head p,
.article-lead,
.card p,
.plan-card p {
  color: var(--ink-soft);
}

.card-grid,
.support-grid,
.plan-grid,
.faq-grid,
.footer-grid {
  display: grid;
  gap: 18px;
}

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

.card,
.plan-card,
.faq-card,
.support-card,
.article-wrap,
.highlight-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.card,
.plan-card,
.faq-card,
.support-card,
.highlight-card {
  padding: 22px;
}

.card-icon {
  width: 50px;
  height: 50px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  background: linear-gradient(145deg, rgba(15, 122, 98, 0.18), rgba(226, 138, 57, 0.2));
  font-size: 1.3rem;
}

.card h3,
.plan-card h3,
.faq-card h3,
.support-card h3 {
  margin: 0 0 8px;
  font-size: 1.15rem;
}

.roadmap {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.roadmap-step {
  padding: 22px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--line);
}

.roadmap-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  margin-bottom: 14px;
  background: rgba(15, 122, 98, 0.16);
  color: var(--brand-strong);
  font-weight: 800;
}

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

.plan-card {
  position: relative;
  overflow: hidden;
}

.plan-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, rgba(15, 122, 98, 0.85), rgba(226, 138, 57, 0.85));
}

.plan-eyebrow {
  display: inline-flex;
  padding: 7px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
  background: rgba(15, 122, 98, 0.12);
  color: var(--brand-strong);
  font-size: 0.85rem;
  font-weight: 700;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 12px 0 16px;
}

.plan-price strong {
  font-size: 2rem;
  line-height: 1;
}

.plan-list {
  margin: 0;
  padding-left: 20px;
  color: var(--ink-soft);
}

.plan-list li + li {
  margin-top: 8px;
}

.ticker {
  display: inline-block;
  min-width: 12ch;
  color: var(--brand-strong);
}

.support-grid {
  grid-template-columns: 1.05fr 0.95fr;
}

.support-card ul,
.support-card ol {
  margin: 12px 0 0;
  padding-left: 20px;
}

.support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.copy-feedback {
  min-height: 1.5em;
  margin-top: 10px;
  color: var(--brand-strong);
  font-size: 0.92rem;
}

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

.faq-card details {
  border-top: 1px solid rgba(62, 48, 37, 0.08);
  padding: 16px 0;
}

.faq-card details:first-of-type {
  border-top: none;
  padding-top: 0;
}

.faq-card summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
}

.faq-card summary::-webkit-details-marker {
  display: none;
}

.faq-card p {
  margin: 10px 0 0;
  color: var(--ink-soft);
}

.cta-band {
  margin-top: 30px;
  padding: 28px;
  border-radius: calc(var(--radius-lg) + 4px);
  background: linear-gradient(135deg, rgba(15, 122, 98, 0.12), rgba(226, 138, 57, 0.12));
  border: 1px solid rgba(15, 122, 98, 0.12);
}

.cta-band h2 {
  margin: 0 0 10px;
}

.site-footer {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 34px auto 28px;
  padding: 24px 0 8px;
  border-top: 1px solid rgba(62, 48, 37, 0.08);
  color: var(--ink-soft);
}

.footer-grid {
  grid-template-columns: 1.5fr 0.8fr 0.8fr;
}

.footer-grid h4 {
  margin: 0 0 10px;
  font-size: 0.94rem;
  color: var(--ink);
}

.footer-grid a {
  color: var(--ink-soft);
}

.footer-grid a:hover {
  color: var(--ink);
}

.footer-note {
  margin-top: 20px;
  font-size: 0.9rem;
}

.article-shell {
  width: min(calc(100% - 32px), 920px);
  margin: 30px auto 40px;
}

.article-wrap {
  padding: 32px;
}

.article-wrap h2 {
  margin-top: 30px;
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.article-wrap ul,
.article-wrap ol {
  padding-left: 22px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.note-box {
  margin-top: 18px;
  padding: 18px;
  border-radius: var(--radius-md);
  background: rgba(226, 138, 57, 0.1);
  border: 1px solid rgba(226, 138, 57, 0.16);
}

.highlight-card {
  display: grid;
  gap: 8px;
}

.placeholder {
  color: #8a332a;
  font-weight: 700;
}

@media (max-width: 960px) {
  .hero-grid,
  .support-grid,
  .plan-grid,
  .card-grid,
  .roadmap,
  .faq-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
  }

  .nav-links.is-open {
    position: absolute;
    inset: calc(var(--nav-height) + 10px) 16px auto;
    display: grid;
    padding: 18px;
    border-radius: 20px;
    background: rgba(255, 252, 246, 0.95);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
  }

  .menu-button {
    display: inline-block;
  }

  .hero {
    padding: 30px 22px 24px;
  }
}

@media (max-width: 640px) {
  .hero h1 {
    font-size: 2.45rem;
  }

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

  .article-wrap {
    padding: 24px 18px;
  }

  .hero-actions,
  .support-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .nav {
    width: min(calc(100% - 20px), var(--max-width));
  }
}