:root {
  --ink: #0e1a2b;
  --ink-soft: #2a3a4f;
  --muted: #5c6b7e;
  --paper: #f3f6f9;
  --paper-2: #e8eef4;
  --line: #c5d0dc;
  --brand: #006000;
  --accent: #1a8a7a;
  --accent-deep: #004d00;
  --white: #ffffff;
  --shadow: 0 18px 40px rgba(14, 26, 43, 0.08);
  --font-display: "Syne", "Zen Kaku Gothic New", sans-serif;
  --font-body: "Zen Kaku Gothic New", "Hiragino Sans", sans-serif;
  --max: 1120px;
  --nav-h: 4.25rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.75;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(26, 138, 122, 0.12), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(10, 77, 104, 0.14), transparent 50%),
    linear-gradient(180deg, #eef3f7 0%, var(--paper) 40%, #e7edf3 100%);
  min-height: 100vh;
}

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

a {
  color: var(--brand);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent-deep);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  backdrop-filter: blur(12px);
  background: rgba(243, 246, 249, 0.86);
  border-bottom: 1px solid rgba(197, 208, 220, 0.7);
}

.site-header__inner {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  color: var(--ink);
  text-decoration: none;
  line-height: 0;
}

.brand:hover {
  color: var(--ink);
  opacity: 0.92;
}

.brand__logo {
  display: block;
  height: 2.35rem;
  width: auto;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  border-radius: 0.4rem;
  padding: 0.45rem 0.7rem;
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.35rem;
  align-items: center;
}

.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  position: relative;
  padding: 0.2rem 0;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15rem;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.28s ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.site-main {
  overflow: clip;
}

.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-h));
  display: grid;
  align-items: stretch;
}

.hero__plane {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, rgba(14, 26, 43, 0.88) 0%, rgba(10, 77, 104, 0.72) 48%, rgba(15, 95, 85, 0.55) 100%),
    radial-gradient(circle at 70% 35%, rgba(120, 220, 200, 0.25), transparent 40%);
  overflow: hidden;
}

.hero__mesh {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.55;
}

.hero__content {
  position: relative;
  z-index: 1;
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4.5rem 0 5rem;
  color: var(--white);
}

.hero__brand {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.05;
  margin: 0 0 1.25rem;
  animation: rise 0.8s ease both;
}

.hero__brand span {
  display: block;
  font-size: 0.28em;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.78;
  margin-top: 0.55rem;
}

.hero__lead {
  max-width: 32rem;
  margin: 0 0 2rem;
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
  animation: rise 0.8s ease 0.12s both;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  animation: rise 0.8s ease 0.22s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.85rem;
  padding: 0.7rem 1.25rem;
  border-radius: 0.35rem;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  background: var(--accent);
  color: var(--white);
}

.btn--primary:hover {
  background: #157a6c;
  color: var(--white);
}

.btn--ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.45);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
}

.btn--solid {
  background: var(--brand);
  color: var(--white);
}

.btn--solid:hover {
  background: var(--accent-deep);
  color: var(--white);
}

.btn--outline {
  background: transparent;
  color: var(--brand);
  border-color: var(--brand);
}

.btn--outline:hover {
  background: rgba(10, 77, 104, 0.06);
  color: var(--brand);
}

.section {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  padding: 4.5rem 0;
}

.section--tight {
  padding-top: 3rem;
}

.section__head {
  max-width: none;
  margin-bottom: 2.25rem;
}

.section__eyebrow {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-deep);
}

.section__title {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.5vw, 2.35rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.01em;
}

.section__text {
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.feature-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 2rem 0;
}

.feature-strip article {
  padding-right: 1rem;
}

.feature-strip h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
}

.feature-strip p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.service-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.service-list__item {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1rem;
  align-items: baseline;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: padding-left 0.25s ease, background 0.25s ease;
}

.service-list__item:hover {
  padding-left: 0.5rem;
  color: inherit;
}

.service-list__num {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.04em;
}

.service-list__name {
  font-size: 1.05rem;
  font-weight: 500;
}

.service-list__body {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.service-list__desc {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 400;
  line-height: 1.55;
}

.service-list__item.is-featured .service-list__name {
  font-weight: 700;
}

.service-list__item.is-featured .service-list__hint {
  display: inline;
  margin-left: 0.65rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--accent-deep);
}

.service-list__hint {
  display: none;
}

.cta-band {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto 4.5rem;
  padding: 2.4rem 2rem;
  background:
    linear-gradient(135deg, rgba(10, 77, 104, 0.95), rgba(15, 95, 85, 0.9));
  color: var(--white);
  border-radius: 0.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.cta-band h2 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
}

.cta-band p {
  margin: 0;
  color: rgba(255, 255, 255, 0.88);
  max-width: 34rem;
}

.page-hero {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  padding: 3.5rem 0 2rem;
}

.page-hero h1 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1.2;
}

.page-hero p {
  margin: 0;
  max-width: 40rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.prose {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto 4.5rem;
  max-width: 42rem;
}

.prose p {
  margin: 0 0 1.15rem;
}

.prose ol {
  margin: 0.5rem 0 1.25rem;
  padding-left: 1.25rem;
}

.prose li {
  margin-bottom: 0.4rem;
}

.contact-block {
  padding-bottom: 1rem;
  max-width: 40rem;
}

.contact-note {
  margin-top: 0.55rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.contact-form {
  display: grid;
  gap: 1.15rem;
}

.form-field label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 500;
}

.form-field .req {
  margin-left: 0.35rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-deep);
}

.form-field input,
.form-field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0.35rem;
  background: var(--white);
  color: var(--ink);
  font: inherit;
  padding: 0.7rem 0.8rem;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: 2px solid rgba(0, 96, 0, 0.28);
  outline-offset: 1px;
  border-color: var(--brand);
}

.form-field textarea {
  resize: vertical;
  min-height: 10rem;
}

.captcha-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.65rem;
}

.captcha-image {
  border: 1px solid var(--line);
  border-radius: 0.3rem;
  background: var(--paper);
}

.captcha-reload {
  min-height: 2.4rem;
  padding: 0.45rem 0.9rem;
  font-size: 0.88rem;
}

.form-actions {
  margin-top: 0.35rem;
}

.form-alert {
  margin-bottom: 1.25rem;
  padding: 0.95rem 1rem;
  border-radius: 0.35rem;
  font-size: 0.95rem;
}

.form-alert ul {
  margin: 0;
  padding-left: 1.1rem;
}

.form-alert--ok {
  background: rgba(26, 138, 122, 0.12);
  border: 1px solid rgba(26, 138, 122, 0.35);
  color: var(--accent-deep);
}

.form-alert--error {
  background: rgba(160, 40, 40, 0.08);
  border: 1px solid rgba(160, 40, 40, 0.28);
  color: #7a1f1f;
}

.hp-field {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.product-hero {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  padding: 3rem 0 2.25rem;
  display: grid;
  gap: 1.5rem;
}

.product-hero__logo {
  height: 2.6rem;
  width: auto;
}

.product-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4vw, 2.7rem);
  line-height: 1.25;
}

.product-hero__lead {
  margin: 0;
  max-width: none;
  color: var(--muted);
  font-size: 1.05rem;
}

.product-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem 1.5rem;
}

.feature-grid article {
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
}

.feature-grid h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.12rem;
}

.feature-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.highlight-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}

.highlight-panel article {
  padding: 1.5rem 1.35rem;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  border-radius: 0.4rem;
}

.highlight-panel h3 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
}

.highlight-panel h3 .option-subname {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink-soft);
  letter-spacing: 0.01em;
}

.highlight-panel p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.96rem;
}

.highlight-panel__tag {
  display: inline-block;
  margin-bottom: 0.55rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-deep);
}

.shot-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.shot {
  margin: 0;
}

.shot img {
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 0.35rem;
  background: var(--white);
  box-shadow: var(--shadow);
}

.shot figcaption {
  margin-top: 0.55rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.diagram {
  margin: 1.5rem 0 0;
}

.diagram img {
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 0.4rem;
  background: var(--white);
  box-shadow: var(--shadow);
}

.diagram figcaption {
  margin-top: 0.6rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.concept-figure {
  margin: 1rem 0 0;
}

.concept-figure img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--line);
  border-radius: 0.35rem;
  background: var(--paper);
}

.compat-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.compat-table th,
.compat-table td {
  border-bottom: 1px solid var(--line);
  padding: 0.75rem 0.65rem;
  text-align: left;
  vertical-align: top;
}

.compat-table th {
  color: var(--muted);
  font-weight: 600;
}

.compat-table th:first-child,
.compat-table td:first-child {
  width: 40%;
}

.note-box {
  margin-top: 1.25rem;
  padding: 1rem 1.15rem;
  background: rgba(0, 96, 0, 0.05);
  border-left: 3px solid var(--brand);
  color: var(--ink-soft);
  font-size: 0.95rem;
}

@media (max-width: 860px) {
  .feature-grid,
  .highlight-panel,
  .shot-grid {
    grid-template-columns: 1fr;
  }
}

.company-dl {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 0.65rem 1.25rem;
  margin: 0 0 2rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.company-dl dt {
  margin: 0;
  color: var(--muted);
  font-weight: 500;
}

.company-dl dd {
  margin: 0;
  font-weight: 500;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(232, 238, 244, 0.7);
  padding: 2.25rem 0 2.5rem;
}

.site-footer__inner {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.25rem 2rem;
  align-items: flex-start;
}

.site-footer__brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  margin: 0 0 0.35rem;
}

.site-footer__copy {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.site-footer nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
}

.site-footer nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.9rem;
}

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

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes mesh-drift {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(-2%, 1.5%, 0);
  }
}

.hero__mesh {
  animation: mesh-drift 18s linear infinite alternate;
}

@media (max-width: 860px) {
  .feature-strip {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: rgba(243, 246, 249, 0.98);
    border-bottom: 1px solid var(--line);
    padding: 0.75rem 1rem 1rem;
    display: none;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
  }
}

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

  .hero__brand,
  .hero__lead,
  .hero__actions,
  .hero__mesh {
    animation: none;
  }

  .btn:hover,
  .service-list__item:hover {
    transform: none;
    padding-left: 0;
  }
}