:root {
  color-scheme: light;
  --bg: #fbfaf6;
  --surface: #ffffff;
  --surface-warm: #f3efe7;
  --ink: #1f2522;
  --muted: #68716d;
  --line: #ded8cc;
  --accent: #92724c;
  --accent-dark: #5b432c;
  --green: #49685d;
  --shadow: 0 18px 50px rgba(31, 37, 34, 0.12);
  font-family:
    "Hiragino Sans", "Yu Gothic", "YuGothic", "Noto Sans JP", system-ui,
    sans-serif;
  background: var(--bg);
  color: var(--ink);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.85;
}

h1,
h2,
h3,
p,
a,
dt,
dd,
strong {
  overflow-wrap: anywhere;
  word-break: break-word;
}

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

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

a {
  color: inherit;
}

.site-header {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 10;
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px clamp(20px, 5vw, 64px);
  color: #ffffff;
}

.brand {
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 22px;
  font-size: 14px;
  font-weight: 700;
}

.nav a {
  text-decoration: none;
}

.nav a:hover,
.nav a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 5px;
}

.hero {
  min-height: 82svh;
  display: grid;
  align-items: end;
  padding: 112px clamp(20px, 6vw, 80px) 44px;
  color: #ffffff;
  background:
    linear-gradient(90deg, rgba(20, 23, 22, 0.74), rgba(20, 23, 22, 0.38) 54%, rgba(20, 23, 22, 0.18)),
    url("https://images.unsplash.com/photo-1566073771259-6a8506099945?auto=format&fit=crop&w=2200&q=84")
      center / cover;
}

.hero__inner {
  width: 100%;
  max-width: 820px;
  min-width: 0;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: currentColor;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.4;
}

.hero h1 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 120px;
  font-weight: 400;
  line-height: 0.95;
}

.hero__lead {
  margin: 22px 0 0;
  font-size: 40px;
  font-weight: 700;
  line-height: 1.25;
}

.hero__lead span,
.hero__copy span,
h2 span {
  display: inline;
}

.hero__copy {
  max-width: 720px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 18px;
  line-height: 1.85;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 12px 20px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.3;
  text-align: center;
  text-decoration: none;
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

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

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

.button--ghost {
  border-color: rgba(255, 255, 255, 0.58);
  color: #ffffff;
}

.button--ghost:hover,
.button--ghost:focus-visible {
  background: rgba(255, 255, 255, 0.12);
}

.section {
  padding: clamp(72px, 9vw, 116px) clamp(20px, 6vw, 80px);
}

.section--warm {
  background: var(--surface-warm);
}

.section__grid {
  display: grid;
  max-width: 1180px;
  margin: 0 auto;
  gap: clamp(28px, 7vw, 92px);
  min-width: 0;
}

.section__grid > *,
.feature,
.feature__body,
.sample,
.sample__body,
.examples__lead,
.video-card,
.video-card__body,
.operator,
.operator-list,
.contact__inner {
  min-width: 0;
}

.section__grid--intro {
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1fr);
  align-items: start;
}

.section__heading {
  max-width: 1180px;
  margin: 0 auto 34px;
}

.section-kicker {
  color: var(--accent-dark);
}

h2 {
  margin: 0;
  max-width: 720px;
  font-size: 48px;
  font-weight: 700;
  line-height: 1.35;
}

h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.45;
}

p {
  margin: 0;
}

.intro p:not(.section-kicker),
.sample__body > p,
.contact p {
  color: var(--muted);
  font-size: 17px;
}

.feature-grid {
  display: grid;
  max-width: 1180px;
  margin: 0 auto;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature {
  overflow: hidden;
  border: 1px solid rgba(91, 67, 44, 0.15);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 10px 32px rgba(31, 37, 34, 0.07);
}

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

.feature__body {
  padding: 24px;
}

.feature__body p {
  margin-top: 12px;
  color: var(--muted);
}

.examples {
  background: var(--surface);
}

.examples__lead {
  max-width: 760px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 17px;
}

.video-grid {
  display: grid;
  max-width: 1180px;
  margin: 0 auto;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.video-card {
  overflow: hidden;
  border: 1px solid rgba(91, 67, 44, 0.15);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 10px 32px rgba(31, 37, 34, 0.07);
}

.video-card video {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #121613;
  object-fit: cover;
}

.video-card__body {
  padding: 22px;
}

.video-card__label {
  margin-bottom: 8px;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.4;
}

.video-card__body p:not(.video-card__label) {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.sample {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(32px, 6vw, 82px);
  align-items: center;
  max-width: 1280px;
  margin: 0 auto;
}

.sample__image {
  min-height: 520px;
  border-radius: 8px;
  background:
    linear-gradient(rgba(20, 23, 22, 0.12), rgba(20, 23, 22, 0.12)),
    url("https://images.unsplash.com/photo-1602002418082-dd4f41719a93?auto=format&fit=crop&w=1300&q=84")
      center / cover;
  box-shadow: var(--shadow);
}

.sample__body {
  max-width: 650px;
}

.policy-list,
.operator-list {
  margin: 32px 0 0;
}

.policy-list div,
.operator-list div {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 18px;
  border-top: 1px solid var(--line);
  padding: 18px 0;
}

.policy-list div:last-child,
.operator-list div:last-child {
  border-bottom: 1px solid var(--line);
}

dt {
  color: var(--accent-dark);
  font-weight: 700;
}

dd {
  margin: 0;
  color: var(--muted);
}

.timeline {
  display: grid;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  list-style: none;
}

.timeline li {
  min-width: 0;
  min-height: 220px;
  border: 1px solid rgba(91, 67, 44, 0.15);
  border-radius: 8px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.72);
}

.timeline span {
  display: block;
  margin-bottom: 24px;
  color: var(--green);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 28px;
  line-height: 1;
}

.timeline strong {
  display: block;
  font-size: 18px;
  line-height: 1.45;
}

.timeline p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.operator {
  display: grid;
  max-width: 1180px;
  margin: 0 auto;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(28px, 8vw, 90px);
  align-items: start;
}

.operator-list {
  margin-top: 0;
}

.operator-list a {
  color: var(--green);
  font-weight: 700;
}

.contact {
  padding: clamp(72px, 9vw, 116px) clamp(20px, 6vw, 80px);
  background:
    linear-gradient(rgba(31, 37, 34, 0.68), rgba(31, 37, 34, 0.68)),
    url("https://images.unsplash.com/photo-1520250497591-112f2f40a3f4?auto=format&fit=crop&w=2000&q=84")
      center / cover;
  color: #ffffff;
}

.contact__inner {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.contact .section-kicker,
.contact p {
  color: rgba(255, 255, 255, 0.82);
}

.contact p {
  margin: 18px auto 30px;
}

.site-footer {
  padding: 28px clamp(20px, 6vw, 80px);
  background: var(--ink);
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

@media (max-width: 1180px) {
  .timeline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 960px) {
  .site-header {
    align-items: flex-start;
  }

  .nav {
    max-width: 360px;
  }

  .hero h1 {
    font-size: 88px;
  }

  .hero__lead {
    font-size: 34px;
  }

  .hero__copy {
    font-size: 17px;
  }

  h2 {
    font-size: 38px;
  }

  .section__grid--intro,
  .sample,
  .operator {
    grid-template-columns: 1fr;
  }

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

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

  .feature {
    display: grid;
    grid-template-columns: minmax(220px, 0.8fr) minmax(0, 1fr);
  }

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

  .sample__image {
    min-height: 380px;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 18px 18px;
  }

  .nav {
    display: none;
  }

  .hero {
    min-height: 80svh;
    padding: 90px 20px 32px;
    background-position: 58% center;
  }

  .hero h1 {
    font-size: 58px;
  }

  .hero__lead {
    margin-top: 18px;
    font-size: 27px;
  }

  .hero__lead,
  .hero__copy,
  h2 {
    max-width: calc(100vw - 40px);
  }

  .hero__lead span,
  .hero__copy span,
  h2 span {
    display: block;
  }

  .hero__copy {
    margin-top: 16px;
    font-size: 15px;
    line-height: 1.7;
  }

  h2 {
    font-size: 31px;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
    margin-top: 20px;
  }

  .section {
    padding-right: 20px;
    padding-left: 20px;
  }

  .feature {
    display: block;
  }

  .sample {
    padding-right: 20px;
    padding-left: 20px;
  }

  .sample__image {
    min-height: 300px;
  }

  .policy-list div,
  .operator-list div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

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

  .timeline li {
    min-height: auto;
  }
}