:root {
  color-scheme: light;
  --ink: #14201b;
  --muted: #647069;
  --line: #dce4df;
  --paper: #fbfcfa;
  --surface: #f0f4f1;
  --night: #0c1412;
  --night-soft: #131e1a;
  --green: #70ca5a;
  --green-dark: #256c45;
  --orange: #ff7a1a;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

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

img {
  max-width: 100%;
}

.container {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 0;
  width: 100%;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  color: #ffffff;
}

.header-inner {
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 13px;
}

.brand-mark {
  display: grid;
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.38);
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.brand-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 3px;
}

.brand-copy strong {
  overflow: hidden;
  font-size: 15px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand-copy small {
  color: rgba(255, 255, 255, 0.54);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--green);
}

.hero {
  min-height: 760px;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 28%, rgba(112, 202, 90, 0.14), transparent 27%),
    linear-gradient(135deg, #0a100f 0%, var(--night) 58%, #102019 100%);
  color: #ffffff;
}

.hero-grid {
  display: grid;
  min-height: 760px;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.72fr);
  align-items: center;
  gap: 90px;
  padding-top: 116px;
  padding-bottom: 70px;
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.eyebrow,
.section-index {
  margin: 0;
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.14em;
}

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

h1 {
  max-width: 720px;
  margin: 24px 0 0;
  font-size: clamp(54px, 7.2vw, 94px);
  line-height: 1.06;
  letter-spacing: -0.04em;
}

h1 em {
  color: var(--green);
  font-style: normal;
}

.company-title {
  font-size: clamp(42px, 5.8vw, 78px);
}

.lead {
  max-width: 630px;
  margin: 30px 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 18px;
  line-height: 1.9;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 38px;
  padding-bottom: 7px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.34);
  color: #ffffff;
  font-size: 14px;
  font-weight: 700;
}

.text-link span {
  color: var(--orange);
}

.hero-visual {
  position: relative;
  height: 570px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.17);
  background: #18201f;
  box-shadow: 0 34px 80px rgba(0, 0, 0, 0.34);
  transform: rotate(2deg);
}

.hero-visual::before {
  position: absolute;
  z-index: 1;
  inset: 0;
  background: linear-gradient(180deg, transparent 56%, rgba(5, 9, 8, 0.94) 100%);
  content: "";
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 34%;
}

.corporate-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    linear-gradient(135deg, transparent 0 46%, rgba(112, 202, 90, 0.12) 46% 58%, transparent 58%),
    radial-gradient(circle at 72% 24%, rgba(255, 122, 26, 0.2), transparent 24%),
    #111b18;
}

.corporate-visual::after {
  position: absolute;
  inset: 24px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  content: "";
}

.corporate-mark {
  display: grid;
  width: 176px;
  height: 176px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.32);
  color: var(--green);
  font-size: 44px;
  font-weight: 900;
  letter-spacing: 0.08em;
  transform: rotate(-2deg);
}

.corporate-domain {
  position: absolute;
  z-index: 2;
  top: 30px;
  right: 34px;
  margin: 0;
  color: rgba(255, 255, 255, 0.48);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.18em;
  transform: rotate(-2deg);
}

.visual-note {
  position: absolute;
  z-index: 2;
  right: 28px;
  bottom: 26px;
  left: 28px;
  display: flex;
  flex-direction: column;
  gap: 7px;
  transform: rotate(-2deg);
}

.visual-note b {
  color: var(--orange);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.visual-note span {
  font-size: 17px;
  font-weight: 800;
}

.project-section {
  padding: 108px 0 94px;
  background: var(--night);
  color: #ffffff;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 12px 48px;
}

.section-heading .section-index {
  grid-column: 1 / -1;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(38px, 5vw, 62px);
  line-height: 1.14;
  letter-spacing: -0.03em;
}

.section-heading > span {
  max-width: 440px;
  color: var(--muted);
  line-height: 1.7;
  text-align: right;
}

.light-heading .section-index {
  color: var(--green);
}

.light-heading > span {
  color: rgba(255, 255, 255, 0.58);
}

.project-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
  align-items: end;
  gap: 70px;
  margin-top: 54px;
  padding-top: 34px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.project-summary {
  max-width: 760px;
  margin: 0;
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: -0.02em;
}

.project-meta {
  display: flex;
  align-items: flex-end;
  flex-direction: column;
  gap: 10px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 13px;
}

.project-meta span:last-child {
  color: var(--green);
}

.project-gallery {
  display: grid;
  grid-template-columns: 1.55fr 1fr 1fr;
  gap: 18px;
  margin-top: 54px;
}

.project-shot {
  position: relative;
  min-width: 0;
  height: 520px;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: var(--night-soft);
}

.project-shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 34%;
  transition: transform 350ms ease;
}

.project-shot:hover img {
  transform: scale(1.025);
}

.project-shot::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(5, 9, 8, 0.94) 100%);
  content: "";
}

.project-shot figcaption {
  position: absolute;
  z-index: 1;
  right: 24px;
  bottom: 22px;
  left: 24px;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.project-shot figcaption b {
  font-size: 18px;
}

.project-shot figcaption span {
  color: rgba(255, 255, 255, 0.64);
  font-size: 13px;
  line-height: 1.65;
}

.shot-large img {
  object-position: 50% 42%;
}

.project-disclaimer {
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.46);
  font-size: 12px;
  line-height: 1.7;
}

.section {
  padding: 104px 0;
}

.services-section {
  background: var(--paper);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: 48px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.service-grid article {
  min-height: 280px;
  padding: 34px 32px 30px 0;
}

.service-grid article + article {
  padding-left: 32px;
  border-left: 1px solid var(--line);
}

.service-grid span {
  color: var(--orange);
  font-size: 12px;
  font-weight: 900;
}

.service-grid h3 {
  margin: 72px 0 18px;
  font-size: 23px;
}

.service-grid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
}

.about-section {
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 90px;
}

.about-grid h2 {
  margin: 16px 0 0;
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.35;
  letter-spacing: -0.03em;
}

.about-copy > p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.about-copy > p + p {
  margin-top: 18px;
}

.identity-list {
  margin: 38px 0 0;
  border-top: 1px solid var(--line);
}

.identity-list div {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 24px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
}

.identity-list dt {
  color: var(--muted);
  font-size: 13px;
}

.identity-list dd {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
}

.website-notice {
  padding: 42px 0;
  border-top: 1px solid var(--line);
  background: #e9efeb;
}

.notice-inner {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 42px;
}

.notice-inner h2 {
  margin: 0;
  font-size: 16px;
}

.notice-inner p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

.site-footer {
  background: #080d0c;
  color: rgba(255, 255, 255, 0.56);
}

.footer-inner {
  display: flex;
  min-height: 160px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 24px;
  padding: 32px 0;
  font-size: 13px;
  text-align: center;
}

.footer-inner p {
  margin: 0;
}

.footer-company {
  margin-bottom: 10px !important;
  color: #ffffff;
  font-size: 15px;
  font-weight: 800;
}

.filing-block {
  width: 100%;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  text-align: center;
}

.icp-number {
  color: rgba(255, 255, 255, 0.68);
  text-decoration: underline;
  text-underline-offset: 4px;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr 320px;
    gap: 42px;
  }

  .hero-visual {
    height: 500px;
  }

  .project-gallery {
    grid-template-columns: 1.2fr 1fr;
  }

  .project-shot:last-child {
    grid-column: 1 / -1;
    height: 420px;
  }

  .project-shot:last-child img {
    object-position: 50% 40%;
  }

  .about-grid {
    gap: 48px;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(100% - 32px, 1180px);
  }

  .header-inner {
    min-height: 70px;
  }

  .brand-copy strong {
    max-width: 190px;
    font-size: 13px;
  }

  .nav-links {
    gap: 16px;
  }

  .nav-links a:not(:first-child) {
    display: none;
  }

  .hero {
    min-height: auto;
  }

  .hero-grid {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 48px;
    padding-top: 130px;
    padding-bottom: 56px;
  }

  h1 {
    font-size: clamp(50px, 15vw, 70px);
  }

  .company-title {
    font-size: clamp(34px, 10.5vw, 48px);
  }

  .lead {
    font-size: 16px;
  }

  .hero-visual {
    width: calc(100% - 16px);
    height: 470px;
    margin: 0 auto;
  }

  .project-section,
  .section {
    padding: 76px 0;
  }

  .section-heading {
    grid-template-columns: 1fr;
  }

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

  .project-intro {
    grid-template-columns: 1fr;
    gap: 28px;
    margin-top: 38px;
  }

  .project-meta {
    align-items: flex-start;
  }

  .project-gallery {
    grid-template-columns: 1fr;
    margin-top: 38px;
  }

  .project-shot,
  .project-shot:last-child {
    height: 520px;
    grid-column: auto;
  }

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

  .service-grid article {
    min-height: auto;
    padding: 28px 0;
  }

  .service-grid article + article {
    padding-left: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .service-grid h3 {
    margin-top: 36px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .notice-inner {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
  }
}

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

  .project-shot img {
    transition: none;
  }
}