:root {
  color-scheme: light;
  --ink: #171815;
  --muted: #62655e;
  --line: #d7d9d3;
  --soft-line: #e8e9e5;
  --bg: #f6f7f4;
  --paper: #ffffff;
  --metal: #e2e5e2;
  --green: #245f39;
  --green-dark: #16462a;
  --orange: #c45d13;
  --max-width: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "YuGothic", "Noto Sans JP", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: 0;
}

img { max-width: 100%; }

a {
  color: var(--green);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.wrap {
  width: min(var(--max-width), calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  position: relative;
  z-index: 2;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
}

.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-size: 19px;
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 8px;
}

.platform-badge {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.nav-links,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

.nav-links a,
.footer-links a {
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.hero {
  min-height: 720px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.72fr);
  align-items: center;
  gap: 72px;
  overflow: clip;
  padding-block: 70px 74px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

h1, h2, h3, p { overflow-wrap: anywhere; }

h1 {
  margin: 0;
  font-size: clamp(44px, 6vw, 72px);
  line-height: 1.13;
  font-weight: 850;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.3;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.45;
}

.lead {
  max-width: 700px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 2.2vw, 21px);
}

.facts {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 30px;
}

.facts span {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--paper);
  color: #3d413b;
  font-size: 13px;
  font-weight: 700;
}

.product-shot {
  position: relative;
  display: flex;
  justify-content: center;
}

.product-shot::before {
  content: "";
  position: absolute;
  inset: 8% -8% 5%;
  z-index: -1;
  border: 1px solid #c8cbc5;
  border-radius: 8px;
  background: linear-gradient(145deg, #f8f9f7, #dfe3df);
  box-shadow: 0 24px 60px rgba(24, 29, 24, 0.12);
}

.product-shot img {
  display: block;
  width: min(360px, 100%);
  max-height: 640px;
  object-fit: contain;
  border-radius: 28px;
  box-shadow: 0 24px 54px rgba(12, 16, 12, 0.18);
}

.band {
  background: var(--paper);
  border-block: 1px solid var(--line);
}

.section-inner { padding-block: 86px 92px; }

.section-inner > h2 { max-width: 760px; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: 54px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.feature-grid article {
  min-height: 230px;
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.feature-number {
  margin: 0 0 35px;
  color: var(--orange);
  font-size: 13px;
  font-weight: 800;
}

.feature-grid article > p:last-child {
  margin: 10px 0 0;
  color: var(--muted);
}

.trust-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1fr);
  gap: 70px;
  padding-block: 90px;
}

.trust-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.trust-list li {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.trust-list span { color: var(--muted); }

.support-cta {
  background: #1d2920;
  color: #fff;
}

.support-cta-inner {
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 44px;
  padding-block: 64px;
}

.support-cta .section-kicker { color: #9bc7a7; }

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
  text-decoration: none;
}

.button.primary { background: #fff; color: #16251b; }
.button.secondary { border-color: rgba(255,255,255,0.42); color: #fff; }

.site-footer {
  background: #111612;
  color: #d7ddd8;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  padding-block: 50px;
}

.footer-inner p { margin: 4px 0 0; color: #9ba49d; }
.footer-inner a { color: #eef1ef; }
.copyright { grid-column: 1 / -1; font-size: 13px; }

.document-page {
  max-width: 900px;
  padding-block: 70px 100px;
}

.document-header {
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}

.document-header h1 { font-size: clamp(40px, 6vw, 62px); }
.document-meta { margin: 16px 0 0; color: var(--muted); font-size: 14px; }

.quick-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 42px 0 8px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.quick-links a {
  min-height: 130px;
  padding: 22px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  text-decoration: none;
}

.quick-links strong { display: block; color: var(--ink); }
.quick-links span { display: block; margin-top: 6px; color: var(--muted); font-size: 14px; }

.document-section,
.faq-group {
  margin-top: 54px;
}

.document-section h2,
.faq-group h2 {
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-size: 26px;
}

.document-section h3 { margin-top: 0; }
.document-section p { margin: 12px 0; }
.document-section ul { padding-left: 1.4em; }
.document-section li + li { margin-top: 8px; }

.steps { margin: 0; padding: 0; list-style: none; }
.steps li { display: grid; grid-template-columns: 38px 1fr; gap: 14px; padding: 18px 0; border-bottom: 1px solid var(--soft-line); }
.steps li > span { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; background: var(--green); color: #fff; font-weight: 800; }
.steps p { margin: 4px 0 0; color: var(--muted); }

.info-box {
  margin-top: 24px;
  padding: 22px 24px;
  border-left: 4px solid var(--green);
  background: #edf3ee;
}

.info-box ul { margin-bottom: 0; }
.email-link { font-size: clamp(20px, 4vw, 30px); font-weight: 800; }
.note { color: var(--muted); font-size: 14px; }

.faq-group details {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.faq-group details:first-of-type { border-top: 1px solid var(--line); }

.faq-group summary {
  cursor: pointer;
  padding: 20px 46px 20px 18px;
  font-size: 17px;
  font-weight: 750;
}

.faq-group details p { margin: 0; padding: 0 18px 22px; color: var(--muted); }

.contact-strip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
  margin-top: 66px;
  padding: 32px;
  background: #203027;
  color: #fff;
}

.contact-strip h2 { font-size: 26px; }
.contact-strip p { margin: 6px 0 0; color: #c6d1c9; }
.contact-strip .button { flex: 0 0 auto; }

.legal-document > p { margin-top: 34px; }

@media (max-width: 820px) {
  .wrap { width: min(100% - 28px, var(--max-width)); }
  .nav { align-items: flex-start; flex-direction: column; gap: 14px; padding-block: 14px; }
  .nav-links { gap: 15px; }
  .hero { min-height: 0; grid-template-columns: 1fr; gap: 42px; padding-block: 54px 62px; }
  .hero br { display: none; }
  .product-shot img { width: min(310px, 82vw); }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-grid article { min-height: 0; }
  .feature-number { margin-bottom: 20px; }
  .trust-section { grid-template-columns: 1fr; gap: 36px; padding-block: 66px; }
  .trust-list li { grid-template-columns: 1fr; gap: 4px; }
  .support-cta-inner, .contact-strip { align-items: flex-start; flex-direction: column; }
  .footer-inner { grid-template-columns: 1fr; }
  .copyright { grid-column: auto; }
  .quick-links { grid-template-columns: 1fr; }
  .document-page { padding-block: 52px 76px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}