:root {
  --color-deep-green: #123527;
  --color-safety-teal: #1d8c74;
  --color-signal-gold: #c49a3a;
  --color-ink: #111918;
  --color-body: #4d5a56;
  --color-paper: #ffffff;
  --color-mist: #f3f7f5;
  --color-line: #dbe4e0;
  --font-sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  --font-serif: "Yu Mincho", "Hiragino Mincho ProN", serif;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-sans);
  line-height: 1.8;
}

body {
  margin: 0;
}

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

a {
  color: inherit;
}

.site-header {
  align-items: center;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--color-line);
  display: flex;
  gap: 28px;
  height: 84px;
  inset: 0 0 auto;
  padding: 0 clamp(20px, 5vw, 72px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand img {
  height: 42px;
  width: auto;
}

.desktop-nav {
  align-items: center;
  display: flex;
  gap: 24px;
  margin-left: auto;
}

.desktop-nav a,
.footer-links a {
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.header-cta,
.button {
  align-items: center;
  border: 1px solid var(--color-deep-green);
  display: inline-flex;
  font-weight: 700;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  text-decoration: none;
}

.header-cta,
.button.primary {
  background: var(--color-deep-green);
  color: var(--color-paper);
}

.button.ghost {
  border-color: rgba(255, 255, 255, .8);
  color: var(--color-paper);
}

.button.light {
  background: var(--color-paper);
  border-color: var(--color-paper);
  color: var(--color-deep-green);
}

.hero {
  min-height: 680px;
  overflow: hidden;
  position: relative;
}

.hero > img {
  height: 100%;
  inset: 0;
  object-fit: cover;
  position: absolute;
  width: 100%;
}

.hero-shade {
  background: linear-gradient(90deg, rgba(8, 32, 23, .94), rgba(8, 32, 23, .76) 46%, rgba(8, 32, 23, .28));
  inset: 0;
  position: absolute;
}

.hero-content {
  color: var(--color-paper);
  max-width: 680px;
  padding: 118px clamp(24px, 6vw, 88px);
  position: relative;
}

.eyebrow {
  color: var(--color-safety-teal);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  margin: 0 0 14px;
}

.hero .eyebrow,
.dark-panel .eyebrow,
.cta-band .eyebrow {
  color: var(--color-signal-gold);
}

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

h1,
h2 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.28;
}

.hero h1 {
  font-size: clamp(42px, 6vw, 78px);
  margin-bottom: 24px;
}

.hero p {
  font-size: 18px;
}

.hero-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero-proofs {
  border-top: 1px solid rgba(255, 255, 255, .28);
  display: grid;
  gap: 12px;
  margin-top: 38px;
  padding-top: 24px;
}

.hero-proofs span {
  color: #e7f0ec;
  font-size: 14px;
}

.section {
  padding: 96px clamp(20px, 5vw, 72px);
}

.section > * {
  margin-left: auto;
  margin-right: auto;
  max-width: var(--container);
}

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

.section-header {
  margin-bottom: 42px;
}

.section-header h2,
.page-hero h1 {
  color: var(--color-deep-green);
  font-size: clamp(32px, 4vw, 54px);
  margin-bottom: 14px;
}

.section-header p {
  color: var(--color-body);
  max-width: 760px;
}

.split {
  display: grid;
  gap: 36px;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
}

.image-split {
  align-items: start;
}

.lead-block {
  border-left: 4px solid var(--color-safety-teal);
  color: var(--color-body);
  font-size: 17px;
  padding-left: 28px;
}

.fact-grid,
.card-grid,
.product-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.fact-card,
.info-card,
.product-card,
.notice-panel,
.form-panel,
.content-shell {
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  padding: 28px;
}

.fact-card span,
.card-meta {
  color: var(--color-safety-teal);
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  margin-bottom: 8px;
}

.fact-card strong {
  display: block;
  font-size: 18px;
  line-height: 1.55;
}

.info-card h3,
.product-card h3,
.product-card h2 {
  color: var(--color-deep-green);
  font-size: 22px;
  line-height: 1.45;
}

.info-card p,
.product-card p,
.article-body p,
.notice-panel p {
  color: var(--color-body);
}

.product-card ul,
.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 20px 0;
  padding: 0;
}

.product-card li,
.chip-list li {
  background: #eef6f2;
  border: 1px solid var(--color-line);
  color: var(--color-deep-green);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 10px;
}

.text-link {
  color: var(--color-deep-green);
  font-weight: 700;
  text-decoration-color: var(--color-safety-teal);
  text-underline-offset: 5px;
}

.image-panel {
  margin: 0;
}

.image-panel img {
  aspect-ratio: 4 / 3;
  border: 1px solid var(--color-line);
  height: auto;
  object-fit: cover;
  width: 100%;
}

.image-panel figcaption {
  color: var(--color-body);
  font-size: 12px;
  margin-top: 10px;
}

.dark-panel {
  background: var(--color-deep-green);
  color: var(--color-paper);
}

.dark-panel .section-header p {
  color: #dce9e4;
}

.cta-band {
  align-items: center;
  background: var(--color-deep-green);
  color: var(--color-paper);
  display: flex;
  gap: 28px;
  justify-content: space-between;
  padding: 72px clamp(20px, 5vw, 72px);
}

.cta-band > * {
  max-width: 720px;
}

.page-hero {
  align-items: center;
  background: var(--color-mist);
  display: grid;
  gap: 40px;
  grid-template-columns: minmax(0, 1fr) 420px;
  padding: 82px clamp(20px, 5vw, 72px);
}

.page-hero > * {
  max-width: var(--container);
}

.page-hero img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
}

.data-table {
  border-top: 1px solid var(--color-line);
}

.data-table div,
.summary-row {
  border-bottom: 1px solid var(--color-line);
  display: grid;
  gap: 24px;
  grid-template-columns: 220px minmax(0, 1fr);
  padding: 18px 0;
}

.data-table dt,
.summary-row dt {
  color: var(--color-deep-green);
  font-weight: 700;
}

.data-table dd,
.summary-row dd {
  color: var(--color-body);
  margin: 0;
}

.timeline {
  border-left: 3px solid var(--color-deep-green);
  display: grid;
  gap: 20px;
  padding-left: 30px;
}

.timeline article {
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  padding: 20px 24px;
}

.timeline span {
  color: var(--color-safety-teal);
  font-weight: 700;
}

.access-map {
  background: linear-gradient(135deg, #ffffff, #e7f1ed);
  border: 1px solid var(--color-line);
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: 38px;
}

.contact-layout {
  align-items: start;
  display: grid;
  gap: 28px;
  grid-template-columns: 360px minmax(0, 1fr);
}

.field-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field.full {
  grid-column: 1 / -1;
}

.field label {
  color: var(--color-deep-green);
  display: flex;
  font-weight: 700;
  gap: 8px;
  margin-bottom: 8px;
}

.required {
  background: var(--color-signal-gold);
  color: var(--color-ink);
  font-size: 11px;
  padding: 1px 7px;
}

input,
textarea {
  border: 1px solid var(--color-line);
  border-radius: 0;
  font: inherit;
  min-height: 48px;
  padding: 12px;
  width: 100%;
}

input[type="checkbox"] {
  min-height: 22px;
  width: 22px;
}

textarea {
  min-height: 150px;
  resize: vertical;
}

.form-help,
.empty-summary {
  color: var(--color-body);
  font-size: 13px;
  margin-top: 8px;
}

.summary-list {
  margin: 0 0 28px;
}

.site-footer {
  background: var(--color-deep-green);
  color: var(--color-paper);
  padding: 64px clamp(20px, 5vw, 72px) 28px;
}

.footer-grid {
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr 1fr 1fr 180px;
  margin: 0 auto;
  max-width: var(--container);
}

.footer-logo {
  font-size: 24px;
  font-weight: 700;
}

.footer-tagline,
.copyright {
  color: #dce9e4;
}

address {
  font-style: normal;
}

address span,
.footer-links a {
  display: block;
  margin-top: 8px;
}

.copyright {
  margin: 44px auto 0;
  max-width: var(--container);
}

@media (max-width: 920px) {
  .site-header {
    height: auto;
    min-height: 72px;
    padding: 12px 20px;
  }

  .brand img {
    height: 34px;
  }

  .desktop-nav {
    display: none;
  }

  .header-cta {
    margin-left: auto;
    min-height: 40px;
    padding: 8px 12px;
  }

  .hero {
    min-height: 620px;
  }

  .hero-content {
    padding: 84px 22px;
  }

  .section {
    padding: 58px 20px;
  }

  .split,
  .fact-grid,
  .card-grid,
  .product-grid,
  .page-hero,
  .access-map,
  .contact-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .page-hero {
    padding: 58px 20px;
  }

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

  .data-table div,
  .summary-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .cta-band {
    align-items: flex-start;
    flex-direction: column;
    padding: 58px 20px;
  }
}