:root {
  color-scheme: dark;
  --black: #050505;
  --charcoal: #12100e;
  --orange: #f97316;
  --orange-deep: #c2410c;
  --paper: #f8f2ea;
  --muted: #b8ada4;
  --line: rgba(249, 115, 22, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--black);
  color: var(--paper);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  line-height: 1.8;
}

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

.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px clamp(20px, 4vw, 56px);
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.82), rgba(0, 0, 0, 0));
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0;
  white-space: nowrap;
}

.brand-mark {
  display: block;
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  border-radius: 50%;
  object-fit: cover;
  filter: drop-shadow(0 0 10px rgba(0, 0, 0, 0.42));
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 22px;
  color: var(--muted);
  font-size: 14px;
}

.site-nav a {
  transition: color 160ms ease;
}

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

.hero {
  position: relative;
  display: grid;
  min-height: 88svh;
  overflow: hidden;
  align-items: end;
  padding: 124px clamp(20px, 6vw, 80px) 72px;
}

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

.hero-image {
  z-index: 0;
  object-fit: cover;
  object-position: center center;
  filter: saturate(1.08) contrast(1.05);
}

.hero-shade {
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.34) 48%, rgba(0, 0, 0, 0.08) 100%),
    linear-gradient(0deg, rgba(5, 5, 5, 0.82) 0%, rgba(5, 5, 5, 0.04) 44%, rgba(5, 5, 5, 0.12) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.eyebrow,
.section-label {
  margin: 0 0 14px;
  color: var(--orange);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 11em;
  margin-bottom: 22px;
  font-size: clamp(42px, 7vw, 86px);
  line-height: 1.06;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 560px;
  margin-bottom: 34px;
  color: #e8ddd2;
  font-size: clamp(16px, 2vw, 20px);
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--orange);
  border-radius: 4px;
  padding: 11px 22px;
  background: var(--orange);
  color: #120700;
  font-weight: 700;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.button:hover {
  border-color: #ffb86b;
  background: #ffb86b;
}

.section {
  padding: clamp(72px, 10vw, 124px) clamp(20px, 6vw, 80px);
  background: var(--black);
}

.section-dark {
  background: var(--charcoal);
}

.section-inner {
  width: min(1120px, 100%);
  margin: 0 auto;
}

h2 {
  margin-bottom: 34px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.2;
  letter-spacing: 0;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.service {
  min-height: 260px;
  padding: clamp(26px, 4vw, 42px);
  background: #090807;
}

.service-number {
  display: block;
  margin-bottom: 42px;
  color: var(--orange);
  font-size: 14px;
  font-weight: 700;
}

h3 {
  margin-bottom: 16px;
  font-size: clamp(23px, 3vw, 34px);
  line-height: 1.25;
  letter-spacing: 0;
}

.service p,
.contact-copy {
  color: var(--muted);
}

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

.company-list div {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
}

.company-list dt {
  color: var(--orange);
  font-weight: 700;
}

.company-list dd {
  margin: 0;
}

.news-list {
  border-top: 1px solid var(--line);
}

.news-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  padding: 24px 0;
  transition: color 160ms ease;
}

.news-item span {
  color: var(--paper);
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 700;
}

.news-item strong {
  color: var(--orange);
  font-size: 14px;
}

.news-item:hover {
  color: var(--orange);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 1fr);
  gap: clamp(36px, 7vw, 84px);
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 18px;
  border: 1px solid var(--line);
  padding: clamp(24px, 4vw, 40px);
  background: #090807;
}

.contact-form label {
  display: grid;
  gap: 8px;
}

.contact-form span {
  color: var(--paper);
  font-weight: 700;
}

.contact-form strong {
  margin-left: 6px;
  color: var(--orange);
  font-size: 12px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(248, 242, 234, 0.18);
  border-radius: 4px;
  padding: 13px 14px;
  background: #15110e;
  color: var(--paper);
  font: inherit;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--orange);
  outline: 2px solid rgba(249, 115, 22, 0.22);
}

.hidden-field {
  display: none;
}

.form-button {
  width: fit-content;
  min-width: 148px;
  margin-top: 6px;
  cursor: pointer;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px clamp(20px, 6vw, 80px);
  color: var(--muted);
  background: var(--black);
}

@media (max-width: 760px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
    padding-top: 18px;
  }

  .site-nav {
    max-width: 170px;
    gap: 4px 14px;
    font-size: 13px;
  }

  .hero {
    min-height: 84svh;
    padding-top: 110px;
    padding-bottom: 50px;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(0, 0, 0, 0.66), rgba(0, 0, 0, 0.18)),
      linear-gradient(0deg, rgba(5, 5, 5, 0.8), rgba(5, 5, 5, 0.08));
  }

  .service-grid,
  .contact-layout {
    grid-template-columns: 1fr;
  }

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

  .news-item {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .contact-form {
    padding: 22px;
  }
}