*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --ink: #1c2b26;
  --green: #0f6a4d;
  --green-dark: #0a523c;
  --gold: #b45309;
  --paper: #f9faf6;
  --mist: #eef2ec;
  --white: #ffffff;
  --line: #dde4dc;
  --muted: #5f6f66;
  --shadow: 0 20px 48px rgba(28, 43, 38, 0.12);
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.85;
}

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

img,
svg {
  display: block;
}

h1,
h2,
.brand {
  font-family: "Shippori Mincho", "Hiragino Mincho ProN", serif;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 70px;
  background: rgba(249, 250, 246, 0.95);
  border-bottom: 2px solid var(--ink);
  backdrop-filter: blur(16px);
}

.header-inner {
  max-width: 1160px;
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--green);
  font-family: "Noto Sans JP", sans-serif;
  font-size: 13px;
  font-weight: 900;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  color: #4d5c54;
  font-size: 14px;
  font-weight: 700;
}

.nav-links a:hover {
  color: var(--green);
}

.header-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  font-weight: 900;
  line-height: 1.2;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.header-cta {
  padding: 10px 18px;
  color: #fff;
  background: var(--ink);
  font-size: 14px;
}

.header-cta:hover {
  transform: translateY(-1px);
  background: var(--green);
}

.btn-primary {
  color: #fff;
  background: var(--green);
  padding: 16px 28px;
  box-shadow: 0 14px 30px rgba(15, 106, 77, 0.24);
}

.btn-primary:hover {
  transform: translateY(-1px);
  background: var(--green-dark);
}

.btn-secondary {
  color: var(--ink);
  border: 1px solid var(--ink);
  background: var(--white);
  padding: 15px 24px;
}

.btn-secondary:hover {
  transform: translateY(-1px);
  border-color: var(--green);
  color: var(--green);
}

.hero {
  position: relative;
  padding: 110px 24px 90px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 88% 8%, rgba(15, 106, 77, 0.08), transparent 32%),
    linear-gradient(180deg, #fdfefb 0%, var(--paper) 100%);
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--ink) 0 60px, transparent 60px 76px);
  opacity: 0.08;
}

.hero-inner {
  position: relative;
  max-width: 1160px;
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.18em;
}

.hero h1 {
  max-width: 680px;
  margin: 0;
  color: var(--ink);
  font-size: 54px;
  line-height: 1.34;
  font-weight: 800;
}

.hero-lead {
  max-width: 620px;
  margin: 28px 0 0;
  color: #3d4b44;
  font-size: 18px;
  border-left: 4px solid var(--green);
  padding-left: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

.hero-note {
  margin: 22px 0 0;
  color: #96a29a;
  font-size: 13px;
}

.notice-band {
  background: #fbf4e4;
  border-bottom: 1px solid #eadfc0;
}

.notice-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  color: #71530f;
  font-size: 14px;
}

.notice-icon {
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--gold);
  font-weight: 900;
}

.section {
  padding: 84px 24px;
}

.section-mist {
  background: var(--mist);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-inner {
  max-width: 1160px;
  margin: 0 auto;
}

.section-kicker {
  margin: 0 0 10px;
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.2em;
}

.section-title {
  max-width: 760px;
  margin: 0;
  color: var(--ink);
  font-size: 34px;
  line-height: 1.44;
  font-weight: 800;
}

.section-copy {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--muted);
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 42px;
}

.topic-card {
  padding: 26px;
  border: 1px solid var(--line);
  background: var(--white);
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.topic-card:hover {
  transform: translateY(-3px);
  border-color: rgba(15, 106, 77, 0.45);
  box-shadow: var(--shadow);
}

.topic-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line);
}

.topic-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  color: var(--green);
  background: rgba(15, 106, 77, 0.09);
  border: 1px solid rgba(15, 106, 77, 0.22);
}

.topic-num {
  color: #96a29a;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.topic-card h3 {
  margin: 0 0 10px;
  color: var(--ink);
  font-size: 19px;
}

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

.step-list {
  margin: 44px 0 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--ink);
}

.step-item {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 28px;
  padding: 26px 8px;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}

.step-num {
  color: var(--green);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.step-item h3 {
  margin: 0 0 8px;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.5;
}

.step-item p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.glossary-list {
  margin: 42px 0 0;
  border-top: 2px solid var(--ink);
}

.glossary-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  padding: 20px 8px;
  border-bottom: 1px solid var(--line);
}

.glossary-row dt {
  color: var(--green);
  font-weight: 900;
}

.glossary-row dd {
  margin: 0;
  color: #3d4b44;
  font-size: 15px;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 38px;
}

.faq-card,
.contact-card,
.legal-box {
  border: 1px solid var(--line);
  background: var(--white);
}

.faq-card {
  padding: 28px;
  border-top: 3px solid var(--ink);
}

.faq-card h3 {
  margin: 0 0 10px;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.5;
}

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

.cta-section {
  padding: 80px 24px;
  color: #f4f7f4;
  background: var(--ink);
}

.cta-inner {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
}

.cta-inner h2 {
  margin: 0;
  font-size: 32px;
  line-height: 1.4;
  font-weight: 800;
  color: #fff;
}

.cta-inner p {
  margin: 12px 0 0;
  color: rgba(244, 247, 244, 0.7);
}

.cta-section .btn-primary {
  box-shadow: 0 14px 30px rgba(15, 106, 77, 0.4);
}

.site-footer {
  padding: 48px 24px 40px;
  color: rgba(244, 247, 244, 0.6);
  background: #101b16;
  font-size: 13px;
  border-top: 1px solid rgba(244, 247, 244, 0.1);
}

.footer-inner {
  max-width: 1160px;
  margin: 0 auto;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(244, 247, 244, 0.14);
}

.site-footer .brand {
  color: #fff;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
}

.footer-links a:hover {
  color: #7fd6ac;
}

.footer-meta {
  max-width: 940px;
  margin: 24px 0 0;
  color: rgba(244, 247, 244, 0.46);
  font-size: 12px;
  line-height: 1.9;
}

.footer-meta + .footer-meta {
  margin-top: 8px;
}

.footer-meta a {
  color: rgba(244, 247, 244, 0.66);
  text-decoration: underline;
}

.page-hero {
  padding: 80px 24px;
  background:
    radial-gradient(circle at 84% 20%, rgba(15, 106, 77, 0.08), transparent 32%),
    linear-gradient(180deg, #fdfefb 0%, var(--paper) 100%);
  border-bottom: 2px solid var(--ink);
}

.page-hero-inner {
  max-width: 960px;
  margin: 0 auto;
}

.page-hero h1 {
  margin: 0;
  color: var(--ink);
  font-size: 42px;
  line-height: 1.3;
  font-weight: 800;
}

.page-hero p {
  max-width: 620px;
  margin: 16px 0 0;
  color: var(--muted);
}

.contact-main,
.legal-main {
  max-width: 900px;
  margin: 0 auto;
  padding: 56px 24px 82px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  color: var(--green);
  font-size: 14px;
  font-weight: 900;
}

.contact-card {
  padding: 30px;
  border-top: 3px solid var(--ink);
  box-shadow: 0 12px 30px rgba(28, 43, 38, 0.07);
}

.info-list {
  display: grid;
}

.info-row {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.info-row:last-child {
  border-bottom: 0;
}

.info-label {
  color: #96a29a;
  font-size: 13px;
  font-weight: 900;
}

.info-value {
  color: #2b3a33;
}

.email-button {
  width: 100%;
  margin-top: 24px;
}

.legal-box {
  margin-top: 22px;
  padding: 24px;
  background: #fbf4e4;
  border-color: #eadfc0;
}

.legal-box h2,
.legal-main h2 {
  margin: 0 0 12px;
  color: var(--ink);
  font-size: 22px;
  font-weight: 900;
}

.legal-box p,
.legal-main p,
.legal-main li {
  color: #3d4b44;
  font-size: 15px;
}

.legal-main a {
  color: var(--green);
  text-decoration: underline;
}

.legal-main section {
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.legal-main ul {
  margin: 12px 0 0;
  padding-left: 20px;
}

@media (max-width: 980px) {
  .cta-inner {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 720px) {
  .site-header {
    height: auto;
  }

  .header-inner {
    min-height: 64px;
    padding: 10px 18px;
  }

  .nav-links {
    display: none;
  }

  .brand span:last-child {
    font-size: 14px;
  }

  .header-cta {
    padding: 10px 12px;
  }

  .hero {
    padding: 64px 18px 52px;
  }

  .hero h1 {
    font-size: 34px;
  }

  .hero-lead {
    font-size: 16px;
  }

  .section {
    padding: 58px 18px;
  }

  .section-title,
  .cta-inner h2 {
    font-size: 27px;
  }

  .step-item,
  .glossary-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

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

  .notice-inner {
    padding: 16px 18px;
  }

  .footer-top {
    align-items: flex-start;
    flex-direction: column;
  }

  .page-hero {
    padding: 54px 18px;
  }

  .page-hero h1 {
    font-size: 31px;
  }

  .contact-main,
  .legal-main {
    padding: 38px 18px 62px;
  }

  .contact-card {
    padding: 22px;
  }

  .info-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}