:root {
  --bg: #f5f1ea;
  --bg-soft: #fffaf3;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-strong: #fffdf9;
  --line: rgba(60, 44, 28, 0.12);
  --text: #1e1712;
  --muted: #625347;
  --accent: #eb6a35;
  --accent-deep: #bc4b22;
  --accent-soft: #ffe2d1;
  --dark: #1c2a2e;
  --dark-soft: #27383d;
  --success: #2f8f63;
  --shadow: 0 24px 56px rgba(58, 40, 16, 0.12);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Hiragino Sans", "Yu Gothic", "YuGothic", sans-serif;
  color: var(--text);
  line-height: 1.7;
  background:
    radial-gradient(circle at top left, rgba(235, 106, 53, 0.16), transparent 28%),
    linear-gradient(180deg, #fffaf3 0%, #f5f1ea 42%, #efe9de 100%);
}

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

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

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.section {
  padding: 88px 0;
}

.section-muted {
  background: rgba(255, 250, 243, 0.58);
}

.section-dark {
  color: #fef9f1;
  background:
    radial-gradient(circle at top right, rgba(235, 106, 53, 0.18), transparent 24%),
    linear-gradient(135deg, var(--dark) 0%, var(--dark-soft) 100%);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  background: rgba(255, 250, 243, 0.78);
  border-bottom: 1px solid rgba(60, 44, 28, 0.08);
}

.header-inner,
.hero-grid,
.split-grid,
.story-block,
.cta-panel,
.footer-inner {
  display: grid;
  gap: 32px;
}

.header-inner {
  grid-template-columns: auto 1fr;
  align-items: center;
  min-height: 76px;
}

.brand,
.footer-brand {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.header-nav {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 24px;
}

.header-nav a {
  color: var(--muted);
  font-size: 0.95rem;
}

.hero {
  padding-top: 56px;
}

.hero-grid,
.split-grid,
.cta-panel {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
}

.hero-copy h1,
.section-heading h2,
.cta-panel h2 {
  margin: 0;
  line-height: 1.1;
}

.hero-copy h1 {
  font-size: clamp(3rem, 8vw, 5.4rem);
  letter-spacing: -0.05em;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-deep);
}

.section-dark .eyebrow,
.section-dark .feature-card p {
  color: rgba(255, 249, 241, 0.82);
}

.hero-lead {
  margin: 20px 0 12px;
  font-size: clamp(1.35rem, 2.4vw, 1.9rem);
  font-weight: 700;
}

.hero-description,
.body-copy,
.contact-copy,
.issue-card p,
.feature-card p,
.step-card p,
.faq-item p,
.story-copy p,
.detail-panel p {
  margin: 0;
  color: var(--muted);
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 32px 0 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 200px;
  min-height: 54px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #fff9f4;
  background: linear-gradient(135deg, var(--accent) 0%, #ff8a56 100%);
  box-shadow: 0 14px 32px rgba(235, 106, 53, 0.24);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.66);
  border: 1px solid rgba(60, 44, 28, 0.1);
}

.hero-points,
.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-points li {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(60, 44, 28, 0.08);
  font-size: 0.92rem;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.hero-photo-card,
.card,
.story-block,
.cta-panel {
  border-radius: var(--radius-xl);
}

.hero-photo-card {
  position: relative;
  width: min(100%, 520px);
  min-height: 560px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(60, 44, 28, 0.08);
}

.hero-photo-main {
  width: 100%;
  height: 100%;
  min-height: 560px;
  object-fit: cover;
}

.hero-badge {
  position: absolute;
  left: 24px;
  bottom: 24px;
  max-width: 280px;
  padding: 18px 20px;
  border-radius: 24px;
  background: rgba(255, 250, 243, 0.9);
  backdrop-filter: blur(12px);
  box-shadow: 0 16px 30px rgba(58, 40, 16, 0.15);
}

.hero-badge-label,
.hero-badge-value,
.impact-label,
.impact-copy {
  margin: 0;
}

.hero-badge-label,
.impact-label {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-deep);
}

.hero-badge-value {
  margin-top: 6px;
  font-size: 1.05rem;
  font-weight: 800;
}

.section-heading {
  margin-bottom: 36px;
  text-align: center;
}

.section-heading.left {
  text-align: left;
}

.compact-heading {
  margin-bottom: 20px;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3.3rem);
  letter-spacing: -0.03em;
}

.card-grid,
.faq-list {
  display: grid;
  gap: 20px;
}

.card-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card-grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card-grid.two,
.runner-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card,
.cta-panel {
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.issue-number,
.step-number {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--accent);
  font-weight: 900;
  letter-spacing: 0.08em;
}

.issue-card h3,
.feature-card h3,
.step-card h3,
.faq-item h3 {
  margin: 0 0 12px;
  font-size: 1.2rem;
}

.section-visual {
  overflow: hidden;
  border-radius: 24px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(60, 44, 28, 0.08);
}

.section-visual img,
.impact-image,
.bib-card img {
  width: 100%;
}

.check-list {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  font-weight: 700;
}

.check-list li::before {
  content: "";
  position: absolute;
  top: 0.48em;
  left: 0;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--success) 0%, #72c092 100%);
  box-shadow: 0 0 0 5px rgba(47, 143, 99, 0.12);
}

.feature-card {
  min-height: 100%;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: none;
}

.story-block {
  grid-template-columns: 1.2fr 0.9fr;
  align-items: start;
  padding: 48px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.78) 0%, rgba(255, 248, 241, 0.96) 100%);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.story-copy {
  display: grid;
  gap: 18px;
}

.impact-card {
  background:
    radial-gradient(circle at top, rgba(235, 106, 53, 0.16), transparent 30%),
    linear-gradient(180deg, #fff6ee 0%, #fffdfa 100%);
}

.impact-copy {
  margin-top: 8px;
  margin-bottom: 22px;
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.45;
}

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

.detail-panel {
  display: grid;
  gap: 18px;
}

.step-timeline {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.step-card,
.faq-item {
  min-height: 100%;
}

.sns-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.sns-panel h3,
.runner-card h3 {
  margin: 0 0 12px;
  font-size: 1.2rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag-list span {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  color: var(--accent-deep);
  background: var(--accent-soft);
  font-weight: 800;
}

.voice-grid,
.runner-list {
  display: grid;
  gap: 20px;
}

.voice-card p,
.runner-card p {
  margin: 0;
  color: var(--muted);
}

.voice-card {
  display: grid;
  gap: 16px;
}

.voice-profile,
.runner-area {
  color: var(--accent-deep);
  font-weight: 900;
}

.runner-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.runner-card a {
  display: inline-flex;
  margin-top: 18px;
  color: var(--accent-deep);
  font-weight: 800;
}

.vision-block {
  color: #fef9f1;
  background:
    radial-gradient(circle at top right, rgba(235, 106, 53, 0.18), transparent 30%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.03) 100%);
  border-color: rgba(255, 255, 255, 0.12);
}

.vision-block .story-copy p {
  color: rgba(255, 249, 241, 0.82);
}

.section-dark .impact-card {
  color: var(--text);
}

.faq-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.cta-section {
  padding-bottom: 112px;
}

.cta-panel {
  align-items: center;
  background:
    radial-gradient(circle at top left, rgba(235, 106, 53, 0.14), transparent 32%),
    linear-gradient(135deg, rgba(255, 250, 243, 0.96) 0%, rgba(255, 255, 255, 0.86) 100%);
}

.site-footer {
  padding: 28px 0 48px;
}

.footer-inner {
  grid-template-columns: auto 1fr;
  align-items: center;
  border-top: 1px solid rgba(60, 44, 28, 0.08);
  padding-top: 24px;
}

.footer-copy {
  margin: 0;
  text-align: right;
  color: var(--muted);
}

@media (max-width: 960px) {
  .hero-grid,
  .split-grid,
  .story-block,
  .cta-panel,
  .card-grid.four,
  .card-grid.three,
  .card-grid.two,
  .step-timeline,
  .runner-list,
  .faq-list {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 36px;
  }

  .hero-photo-card,
  .hero-photo-main {
    min-height: 480px;
  }

  .story-block {
    padding: 32px 24px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .footer-copy {
    text-align: left;
  }
}

@media (max-width: 680px) {
  .section {
    padding: 72px 0;
  }

  .container {
    width: min(100% - 24px, 1120px);
  }

  .header-inner {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 14px 0;
  }

  .header-nav {
    justify-content: flex-start;
    gap: 18px;
  }

  .button {
    width: 100%;
  }

  .hero-points {
    display: grid;
  }

  .sns-panel {
    grid-template-columns: 1fr;
  }

  .hero-photo-card,
  .hero-photo-main {
    min-height: 420px;
  }

  .hero-badge {
    left: 16px;
    right: 16px;
    bottom: 16px;
    max-width: none;
  }

  .card,
  .story-block,
  .cta-panel {
    padding: 24px;
  }
}
