:root {
  color-scheme: light;
  --ink: #20262e;
  --muted: #66717f;
  --paper: #fffdf8;
  --surface: #ffffff;
  --line: #d8d1c3;
  --brand: #1e6f5c;
  --brand-deep: #174e46;
  --accent: #d94f30;
  --gold: #c99a2e;
  --soft: #edf4ed;
  --shadow: 0 18px 50px rgba(32, 38, 46, 0.12);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(90deg, rgba(30, 111, 92, 0.08) 1px, transparent 1px),
    linear-gradient(180deg, rgba(30, 111, 92, 0.06) 1px, transparent 1px),
    var(--paper);
  background-size: 42px 42px;
  color: var(--ink);
  line-height: 1.75;
}

a {
  color: var(--brand-deep);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(216, 209, 195, 0.82);
  background: rgba(255, 253, 248, 0.9);
  backdrop-filter: blur(16px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px 20px;
  gap: 20px;
}

.brand {
  display: inline-grid;
  gap: 0;
  text-decoration: none;
}

.brand-mark {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0;
  color: var(--ink);
}

.brand-sub {
  font-size: 0.74rem;
  color: var(--muted);
}

.nav-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
  font-size: 0.92rem;
}

.nav-links a {
  text-decoration: none;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid var(--brand-deep);
  background: var(--brand-deep);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
}

.button.secondary {
  background: transparent;
  color: var(--brand-deep);
}

.hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: 78px 20px 54px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 34px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  margin: 0 0 18px;
  padding: 5px 10px;
  border-left: 4px solid var(--accent);
  background: rgba(217, 79, 48, 0.08);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.22;
  letter-spacing: 0;
}

h1 {
  max-width: 760px;
  font-size: clamp(2.4rem, 7vw, 5.4rem);
}

h2 {
  font-size: clamp(1.7rem, 4vw, 3rem);
}

h3 {
  font-size: 1.25rem;
}

p {
  margin: 0;
}

.lead {
  max-width: 720px;
  margin-top: 22px;
  color: var(--muted);
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.signal-panel {
  position: relative;
  min-height: 430px;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(30, 111, 92, 0.18), rgba(201, 154, 46, 0.13)),
    #fbfbf4;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.signal-panel::before,
.signal-panel::after {
  content: "";
  position: absolute;
  inset: auto;
  border: 1px solid rgba(30, 111, 92, 0.3);
}

.signal-panel::before {
  width: 58%;
  height: 58%;
  top: 34px;
  right: 34px;
}

.signal-panel::after {
  width: 44%;
  height: 44%;
  left: 34px;
  bottom: 34px;
  border-color: rgba(217, 79, 48, 0.34);
}

.signal-copy {
  position: absolute;
  left: 32px;
  right: 32px;
  bottom: 30px;
  padding-top: 22px;
  border-top: 2px solid rgba(32, 38, 46, 0.16);
}

.signal-copy strong {
  display: block;
  font-size: 1.5rem;
}

.signal-copy span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 64px 20px;
}

.section-head {
  max-width: 760px;
  margin-bottom: 28px;
}

.section-head p {
  margin-top: 14px;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card,
.price-card {
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 22px;
  box-shadow: 0 10px 28px rgba(32, 38, 46, 0.07);
}

.card p,
.price-card p,
.policy-list li {
  color: var(--muted);
}

.price-card {
  display: grid;
  gap: 12px;
}

.price {
  font-size: 1.9rem;
  font-weight: 900;
  color: var(--brand-deep);
}

.badge {
  width: fit-content;
  padding: 3px 9px;
  border: 1px solid rgba(201, 154, 46, 0.6);
  color: #7c5d13;
  background: rgba(201, 154, 46, 0.12);
  font-size: 0.78rem;
  font-weight: 800;
}

.band {
  background: var(--soft);
  border-top: 1px solid rgba(30, 111, 92, 0.16);
  border-bottom: 1px solid rgba(30, 111, 92, 0.16);
}

.policy-list {
  margin: 18px 0 0;
  padding-left: 1.2em;
}

.policy-links {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.policy-links a {
  display: block;
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 16px;
  font-weight: 800;
  text-decoration: none;
}

.legal-page {
  max-width: 880px;
  margin: 0 auto;
  padding: 58px 20px 80px;
}

.legal-page h1 {
  font-size: clamp(2rem, 5vw, 3.8rem);
}

.legal-page section {
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.legal-table {
  width: 100%;
  margin-top: 18px;
  border-collapse: collapse;
  background: var(--surface);
}

.legal-table th,
.legal-table td {
  border: 1px solid var(--line);
  padding: 13px 14px;
  text-align: left;
  vertical-align: top;
}

.legal-table th {
  width: 32%;
  background: var(--soft);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #f6f1e8;
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 28px 20px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.9rem;
}

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

.footer-links a {
  color: var(--muted);
}

@media (max-width: 840px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 48px;
  }

  .signal-panel {
    min-height: 300px;
  }

  .grid,
  .policy-links {
    grid-template-columns: 1fr;
  }

  .legal-table th,
  .legal-table td {
    display: block;
    width: 100%;
  }
}