:root {
  --ink: #20231f;
  --muted: #5f665d;
  --paper: #f7f5ee;
  --panel: #ffffff;
  --line: #d9d5c8;
  --green: #12643f;
  --green-dark: #0b432b;
  --gold: #b68a39;
  --soft: #ece8da;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", "Yu Gothic", sans-serif;
  line-height: 1.75;
}
a { color: inherit; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(247, 245, 238, .94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}
.nav {
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  line-height: 1.2;
  text-decoration: none;
}
.brand-mark {
  display: block;
  width: 30px;
  height: 32px;
  flex: 0 0 auto;
  object-fit: contain;
}
.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.brand-text span {
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 0;
}
.brand small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
}
.nav-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid var(--green);
  border-radius: 6px;
  background: var(--green);
  color: #fff;
  font-weight: 900;
  text-decoration: none;
  line-height: 1.35;
  text-align: center;
  white-space: normal;
}
.button.secondary {
  background: transparent;
  color: var(--green-dark);
}
.button.gold {
  background: var(--gold);
  border-color: var(--gold);
}
.hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: 58px 20px 48px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, .95fr);
  gap: 34px;
  align-items: center;
}
.eyebrow {
  color: var(--green);
  font-weight: 900;
  font-size: 15px;
  margin: 0 0 12px;
}
h1 {
  margin: 0 0 18px;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.12;
  letter-spacing: 0;
}
h2 {
  margin: 0 0 14px;
  font-size: clamp(25px, 3.2vw, 38px);
  line-height: 1.25;
  letter-spacing: 0;
}
h3 {
  margin: 0 0 10px;
  font-size: 20px;
  line-height: 1.35;
  letter-spacing: 0;
}
p { margin: 0; }
.lead,
.section-lead {
  color: var(--muted);
  font-size: 18px;
  max-width: 760px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}
.hero-card {
  background: #fffaf0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}
.hero-card img {
  display: block;
  width: 100%;
  border-radius: 6px;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.hero-card p {
  color: var(--muted);
  font-size: 14px;
  margin-top: 12px;
}
section {
  padding: 50px 20px;
  border-top: 1px solid var(--line);
}
.wrap {
  max-width: 1120px;
  margin: 0 auto;
}
.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}
.two-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
}
.card p,
.card li {
  color: var(--muted);
}
.check-list {
  list-style: none;
  padding: 0;
  margin: 14px 0 0;
  display: grid;
  gap: 8px;
}
.check-list li {
  padding-left: 22px;
  position: relative;
}
.check-list li::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  position: absolute;
  left: 2px;
  top: .72em;
}
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}
.case-set {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}
.case-set + .case-set {
  margin-top: 28px;
}
.case-set-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
}
.case-set-header p {
  color: var(--muted);
  max-width: 720px;
}
.case-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.case-tile {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}
.case-tile img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}
.case-tile div {
  padding: 14px;
}
.case-tile small {
  display: block;
  color: var(--green);
  font-weight: 900;
  margin-bottom: 2px;
}
.price {
  color: var(--green-dark);
  font-size: 34px;
  font-weight: 900;
  line-height: 1.1;
  margin: 10px 0 14px;
}
.cta {
  background: var(--green-dark);
  color: #fff;
}
.cta .section-lead {
  color: rgba(255,255,255,.78);
}
.cta .button {
  background: #fff;
  border-color: #fff;
  color: var(--green-dark);
}
.footer {
  padding: 28px 20px;
  background: var(--ink);
  color: rgba(255,255,255,.78);
  font-size: 14px;
}
.footer strong { color: #fff; }
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-top: 14px;
}
.footer-links a {
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}
.sticky-cta { display: none; }
@media (max-width: 840px) {
  .hero,
  .grid,
  .two-grid,
  .case-grid,
  .case-pair {
    grid-template-columns: 1fr;
  }
  .case-set-header {
    display: block;
  }
  .hero {
    padding: 34px 18px 38px;
  }
  .brand-mark {
    width: 28px;
    height: 30px;
  }
  .nav-actions { display: none; }
  section { padding: 42px 18px; }
  h1 { font-size: clamp(32px, 10vw, 42px); }
  .lead,
  .section-lead { font-size: 16px; }
  .hero-actions .button {
    flex: 1 1 100%;
    min-height: 48px;
  }
  body { padding-bottom: 72px; }
  .sticky-cta {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 20;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 10px;
    background: rgba(247, 245, 238, .95);
    border-top: 1px solid var(--line);
    backdrop-filter: blur(12px);
  }
  .sticky-cta .button {
    min-height: 48px;
    padding: 9px 10px;
    font-size: 14px;
  }
}