:root {
  --bg: #fbfaf7;
  --surface: #ffffff;
  --muted: #eef3ef;
  --text: #1f2523;
  --subtle: #5d6862;
  --line: #dce3de;
  --accent: #1f6f5b;
  --accent-dark: #174c40;
  --warm: #e4b35f;
  --shadow: 0 18px 44px rgba(31, 37, 35, 0.09);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.8;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(251, 250, 247, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font-weight: 700;
  text-decoration: none;
}

.brand img {
  width: 54px;
  height: auto;
}

.brand span {
  white-space: nowrap;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 20px;
  color: var(--subtle);
  font-size: 0.95rem;
}

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

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

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 46vw);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  min-height: calc(100vh - 74px);
  padding: clamp(48px, 7vw, 96px) clamp(18px, 4vw, 56px) 48px;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(2.6rem, 7vw, 5.6rem);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(1.8rem, 3vw, 2.7rem);
  line-height: 1.28;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.15rem;
  line-height: 1.45;
}

.lead {
  max-width: 680px;
  color: var(--subtle);
  font-size: clamp(1.05rem, 1.5vw, 1.28rem);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  font-weight: 700;
  text-decoration: none;
}

.button.primary {
  color: #fff;
  background: var(--accent);
}

.button.primary:hover {
  background: var(--accent-dark);
}

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

.button.secondary:hover {
  background: #edf5f1;
}

.hero-media img,
.split figure img {
  width: 100%;
  border-radius: 8px;
  box-shadow: var(--shadow);
  object-fit: cover;
}

.hero-media img {
  aspect-ratio: 4 / 5;
}

.section {
  padding: clamp(64px, 8vw, 112px) clamp(18px, 4vw, 56px);
}

.section-heading {
  max-width: 780px;
  margin: 0 auto 36px;
  text-align: center;
}

.section-heading p:last-child {
  color: var(--subtle);
}

.muted {
  background: var(--muted);
}

.text-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  max-width: 980px;
  margin: 0 auto;
  color: var(--subtle);
  font-size: 1.08rem;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 440px);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  max-width: 1120px;
  margin: 0 auto;
}

.split.reverse {
  grid-template-columns: minmax(280px, 440px) minmax(0, 1fr);
}

.split figure {
  margin: 0;
}

.split figure img {
  aspect-ratio: 3 / 2;
}

.split-copy {
  padding: clamp(8px, 2vw, 24px) 0;
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
}

.check-list li::before {
  position: absolute;
  left: 0;
  color: var(--accent);
  content: "✓";
  font-weight: 800;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 1120px;
  margin: 0 auto;
}

.feature-grid article,
.contact-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 8px 24px rgba(31, 37, 35, 0.05);
}

.feature-grid article {
  padding: 24px;
}

.feature-grid p {
  margin-bottom: 0;
  color: var(--subtle);
}

.contact-box {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(24px, 4vw, 40px);
  text-align: center;
}

.contact-box a:not(.button) {
  color: var(--accent);
  font-weight: 700;
}

.policy-page {
  max-width: 920px;
  margin: 0 auto;
  padding: clamp(56px, 8vw, 96px) clamp(18px, 4vw, 56px);
}

.policy-header {
  margin-bottom: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.policy-header h1 {
  font-size: clamp(2.2rem, 5vw, 4rem);
}

.policy-content {
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 8px 24px rgba(31, 37, 35, 0.05);
}

.policy-content section {
  margin-top: 34px;
}

.policy-content h2 {
  font-size: clamp(1.25rem, 2vw, 1.65rem);
}

.policy-content ul {
  padding-left: 1.4em;
}

.policy-content a {
  color: var(--accent);
  font-weight: 700;
}

.site-footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 36px clamp(18px, 4vw, 56px);
  color: #e7ece8;
  background: #1f2523;
}

.site-footer img {
  width: 48px;
  margin-bottom: 12px;
}

.site-footer p {
  margin-bottom: 4px;
}

.site-footer a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 860px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

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

  .hero,
  .split,
  .split.reverse,
  .text-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-media img {
    aspect-ratio: 16 / 10;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .brand span {
    white-space: normal;
  }

  .button,
  .hero-actions {
    width: 100%;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

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