:root {
  color-scheme: light;
  --ink: #1d2926;
  --muted: #69736e;
  --paper: #f7f8f4;
  --accent: #c8e36a;
  --line: #dce1d9;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans JP", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.7;
}

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

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 5px;
}

.site-header {
  position: absolute;
  z-index: 2;
  top: 0;
  left: 0;
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  padding: 28px 7.2%;
  color: #fff;
}

.site-logo {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.site-logo span {
  margin-left: 8px;
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.14em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  font-size: 0.84rem;
}

.site-nav a {
  transition: opacity 180ms ease;
}

.site-nav a:hover {
  opacity: 0.72;
}

.nav-contact span {
  margin-left: 5px;
}

.hero {
  position: relative;
  display: flex;
  min-height: min(760px, 100svh);
  align-items: center;
  overflow: hidden;
  padding: 130px 12% 100px;
  color: #fff;
  background: #35433d;
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: center 52%;
}

.hero-shade {
  background: linear-gradient(
    90deg,
    rgb(15 27 23 / 78%) 0%,
    rgb(15 27 23 / 48%) 48%,
    rgb(15 27 23 / 12%) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(100%, 780px);
}

.eyebrow {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.hero .eyebrow {
  color: var(--accent);
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.5rem, 5.2vw, 5rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.35;
}

.hero-lead {
  margin: 24px 0 32px;
  color: rgb(255 255 255 / 88%);
  font-size: 0.98rem;
  line-height: 2;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.hero-button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  gap: 36px;
  padding: 0 22px;
  border: 1px solid rgb(255 255 255 / 75%);
  color: #fff;
  background: transparent;
  font-size: 0.86rem;
  font-weight: 700;
  transition: background 180ms ease, gap 180ms ease;
}

.hero-button:hover {
  gap: 44px;
  background: rgb(255 255 255 / 14%);
}

.hero-button-secondary {
  border: 1px solid rgb(255 255 255 / 75%);
  color: #fff;
  background: transparent;
}

.hero-button-secondary:hover {
  background: rgb(255 255 255 / 14%);
}

.hero-button .external-link-icon {
  display: inline-flex;
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
}

.hero-button .external-link-icon svg {
  width: 100%;
  height: 100%;
}

.hero-caption {
  position: absolute;
  right: 7.2%;
  bottom: 24px;
  margin: 0;
  color: rgb(255 255 255 / 82%);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
}

.hero-caption span {
  margin-left: 16px;
  color: rgb(255 255 255 / 60%);
}

.about {
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) minmax(0, 1.4fr);
  gap: 9%;
  padding: 112px 12% 120px;
}

.about-heading h2 {
  margin: 0;
  font-size: 2rem;
  font-weight: 600;
}

.about-message {
  margin: 30px 0 0;
  color: #64726a;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 1.35rem;
  line-height: 1.8;
}

.about-details {
  padding-top: 6px;
}

.about-description {
  max-width: 620px;
  margin: 0 0 36px;
  color: #4d5953;
  line-height: 2;
}

.company-data {
  margin: 0;
  border-top: 1px solid var(--line);
}

.company-data div {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 20px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.company-data dt {
  color: var(--muted);
  font-size: 0.84rem;
}

.company-data dd {
  margin: 0;
  font-size: 0.9rem;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 7.2%;
  color: #fff;
  background: #1d2926;
}

.site-footer p {
  margin: 0;
  color: rgb(255 255 255 / 65%);
  font-size: 0.72rem;
}

@media (max-width: 700px) {
  .site-header {
    padding: 20px 6%;
  }

  .site-nav {
    gap: 18px;
    font-size: 0.78rem;
  }

  .hero {
    min-height: 680px;
    min-height: 88svh;
    padding: 120px 8% 100px;
  }

  .hero-image {
    object-position: 58% center;
  }

  .hero-shade {
    background: linear-gradient(
      90deg,
      rgb(15 27 23 / 78%) 0%,
      rgb(15 27 23 / 52%) 75%,
      rgb(15 27 23 / 34%) 100%
    );
  }

  .hero h1 {
    font-size: clamp(2.4rem, 10vw, 4rem);
  }

  .hero-lead {
    font-size: 0.9rem;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    width: fit-content;
  }

  .hero-button {
    justify-content: space-between;
  }

  .desktop-break {
    display: none;
  }

  .hero-caption {
    right: 8%;
    font-size: 0.58rem;
  }

  .hero-caption span {
    display: block;
    margin: 3px 0 0;
  }

  .about {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 76px 8% 84px;
  }

  .about-message {
    margin-top: 18px;
  }

  .company-data div {
    grid-template-columns: 100px 1fr;
    gap: 12px;
  }

  .site-footer {
    padding: 22px 6%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}