:root {
  --ink: #16301F;
  --accent: #3DBF5C;
  --paper: #FBFBF9;
  --muted: #5B6B60;
  --border: #E3E8E2;
  --max-w: 960px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--accent); }
a:hover { color: var(--accent); }

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

header.site {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
  position: sticky;
  top: 0;
  background: rgba(251,251,249,0.92);
  backdrop-filter: blur(6px);
  z-index: 10;
}

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
  border-bottom: none;
}

.brand img, .brand svg {
  height: 26px;
  display: block;
}

nav.site a {
  margin-left: 22px;
  border-bottom: none;
  font-size: 14px;
  color: var(--muted);
}

nav.site a:hover, nav.site a.active {
  color: var(--ink);
  border-bottom: 1px solid var(--accent);
}

main {
  padding: 0 0 80px;
}

h1 {
  font-size: 30px;
  margin: 0 0 18px;
  letter-spacing: 0.01em;
  line-height: 1.5;
}

h2 {
  font-size: 22px;
  margin: 0 0 20px;
}

h3 {
  font-size: 15px;
  margin: 22px 0 8px;
}

p { margin: 0 0 14px; color: #273B2C; }

.lede {
  font-size: 16px;
  color: var(--muted);
  margin-bottom: 0;
}

.eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 10px;
}

section.block {
  padding: 56px 0;
  border-top: 1px solid var(--border);
}

section.block:first-of-type { border-top: none; }

.hero {
  padding: 64px 0 48px;
}

.tag {
  display: inline-block;
  font-size: 12px;
  color: var(--accent);
  background: rgba(61,191,92,0.1);
  border: 1px solid rgba(61,191,92,0.35);
  border-radius: 999px;
  padding: 3px 10px;
  margin-bottom: 18px;
}

.hero-actions {
  margin-top: 28px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  border-bottom: none;
  padding: 11px 22px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
}

.btn-primary {
  background: var(--ink);
  color: #fff;
}
.btn-primary:hover { background: var(--accent); color: #fff; }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.cards {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}

.cards.two { grid-template-columns: 1fr 1fr; }
.stats.two { grid-template-columns: 1fr 1fr; }

.card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 22px;
  background: #fff;
}

.card .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #F2F6F1;
  color: var(--ink);
  font-weight: 700;
  font-size: 13px;
  margin-bottom: 14px;
}

.card h3 { margin-top: 0; }
.card p { font-size: 14px; color: var(--muted); margin: 0; }

.card.dark {
  background: var(--ink);
  border: none;
  color: #fff;
}
.card.dark h3 { color: #fff; }
.card.dark p { color: #D6DED9; }

.evidence {
  background: var(--ink);
  border-radius: 14px;
  padding: 44px 36px;
  color: #F5F1E8;
}

.evidence .big {
  font-size: 56px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 14px;
}

.evidence p { color: #D6DED9; margin-bottom: 8px; }
.evidence p.note { font-size: 13px; color: #9BAEA3; margin-top: 14px; }

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.stat-tile {
  background: var(--ink);
  border-radius: 10px;
  padding: 22px 18px;
  color: #fff;
}

.stat-tile .figure {
  font-size: 26px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 8px;
  line-height: 1.2;
}

.stat-tile .label {
  font-size: 13px;
  color: #E3E8E2;
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.price-card {
  border-radius: 12px;
  padding: 28px 26px;
}

.price-card.dark {
  background: var(--ink);
  color: #fff;
}

.price-card.light {
  border: 1px solid var(--border);
  background: #fff;
}

.price-card .amount {
  font-size: 40px;
  font-weight: 800;
  margin-bottom: 4px;
}

.price-card.dark .amount { color: #fff; }
.price-card .unit {
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 14px;
}

.price-card.light .unit { color: #2E8A45; }

.price-card p { font-size: 14px; }
.price-card.dark p { color: #D6DED9; }
.price-card.light p { color: var(--muted); }

.roi-note {
  border-left: 3px solid var(--accent);
  background: #F2F6F1;
  padding: 16px 20px;
  font-size: 14px;
  color: #2B4532;
  border-radius: 0 8px 8px 0;
  margin-top: 16px;
}

.why-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.why-item { display: flex; gap: 18px; }
.why-item .num {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
}
.why-item h3 { margin: 4px 0 6px; }
.why-item p { font-size: 14px; color: var(--muted); margin: 0; }

.patent-note {
  border: 1px solid var(--border);
  background: #F7F9F6;
  border-radius: 10px;
  padding: 18px 22px;
  font-size: 13px;
  color: var(--muted);
  margin-top: 24px;
}

.vision {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 22px 24px;
  background: #fff;
}

.vision .tag { margin-bottom: 10px; }

.vision p {
  font-size: 15px;
  color: var(--ink);
  margin: 0;
}

.vision strong {
  color: var(--accent);
  font-style: italic;
}

.cta-block {
  background: var(--ink);
  border-radius: 14px;
  padding: 48px 40px;
  color: #fff;
  text-align: left;
}

.cta-block h2 { color: #fff; }
.cta-block p { color: #D6DED9; }
.cta-block .btn-primary { background: var(--accent); }
.cta-block .btn-primary:hover { background: #fff; color: var(--ink); }

table.policy {
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0 24px;
  font-size: 14px;
}

table.policy th, table.policy td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

table.policy th {
  background: #F2F6F1;
  width: 28%;
  font-weight: 600;
}

.placeholder {
  background: rgba(61,191,92,0.12);
  border-radius: 3px;
  padding: 0 3px;
}

.notice {
  border-left: 3px solid var(--accent);
  background: #F2F6F1;
  padding: 14px 18px;
  font-size: 14px;
  color: #2B4532;
  margin: 24px 0 32px;
  border-radius: 0 6px 6px 0;
}

ol, ul { padding-left: 1.3em; color: #273B2C; }
li { margin-bottom: 8px; }

footer.site {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  margin-top: 40px;
}

footer.site .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

footer.site .legal {
  font-size: 12px;
  color: var(--muted);
}

footer.site nav a {
  font-size: 12px;
  color: var(--muted);
  margin-left: 16px;
  border-bottom: none;
}

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

.contact-box {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  background: #fff;
  margin: 24px 0;
}

.contact-box .email {
  display: inline-block;
  font-size: 18px;
  font-weight: 600;
  margin: 8px 0 4px;
}

.meta {
  font-size: 13px;
  color: var(--muted);
}

@media (max-width: 720px) {
  .cards, .cards.two, .pricing-grid, .stats { grid-template-columns: 1fr; }
  nav.site a { margin-left: 14px; font-size: 13px; }
  h1 { font-size: 24px; }
  .evidence .big { font-size: 42px; }
  .why-item { flex-direction: column; }
}

.contact-form-wrap {
  max-width: 560px;
  margin: 48px auto 0;
  text-align: center;
}

.contact-form-wrap .form-heading {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}

.contact-form-wrap .form-heading::after {
  content: "";
  display: block;
  width: 40px;
  height: 2px;
  background: var(--border);
  margin: 16px auto 0;
}

.contact-form {
  text-align: left;
  margin: 28px 0 0;
}

.contact-form .field {
  margin-bottom: 16px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 13px 16px;
  font-size: 14px;
  font-family: inherit;
  color: var(--ink);
  background: #fff;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: #9AA69D;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.contact-form textarea {
  resize: vertical;
  min-height: 160px;
}

.contact-form .hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-form .submit-row {
  text-align: center;
  margin-top: 22px;
}

.contact-form .submit-btn {
  border: none;
  cursor: pointer;
  background: var(--ink);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 13px 34px;
  border-radius: 4px;
}

.contact-form .submit-btn:hover { background: var(--accent); }

.form-notice.error {
  border-left: 3px solid #C0392B;
  background: #FDEDEC;
  color: #A93226;
  padding: 14px 18px;
  font-size: 14px;
  border-radius: 0 6px 6px 0;
  margin: 0 0 20px;
  text-align: left;
}

.cookie-consent {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(10, 20, 13, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.cookie-consent .wrap {
  max-width: 460px;
  width: 100%;
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  border-radius: 12px;
  padding: 28px 28px 24px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.4);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.cookie-consent p {
  margin: 0;
  color: var(--paper);
  font-size: 13px;
  line-height: 1.7;
}

.cookie-consent a {
  color: #CADFCE;
  text-decoration: underline;
}

.cookie-consent .cookie-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.cookie-consent button {
  border: none;
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 10px 22px;
  border-radius: 4px;
  font-family: inherit;
}

.cookie-consent .cookie-accept {
  background: var(--accent);
  color: #0E2016;
}

.cookie-consent .cookie-accept:hover { opacity: 0.9; }

.cookie-consent .cookie-decline {
  background: transparent;
  color: var(--paper);
  border: 1px solid rgba(255,255,255,0.35);
}

.cookie-consent .cookie-decline:hover { background: rgba(255,255,255,0.08); }

@media (max-width: 640px) {
  .cookie-consent { padding: 16px; }
  .cookie-consent .wrap { padding: 24px 20px 20px; }
  .cookie-consent .cookie-actions { flex-direction: column-reverse; }
  .cookie-consent button { width: 100%; }
}