:root {
  color-scheme: light;
  --ink: #172126;
  --muted: #5f7078;
  --line: #d9e4e5;
  --paper: #f7faf9;
  --white: #ffffff;
  --teal: #0b817d;
  --teal-dark: #075a5d;
  --blue: #1c5d85;
  --mint: #dff4ec;
  --amber: #c58a18;
  --shadow: 0 18px 48px rgba(23, 33, 38, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 76px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(217, 228, 229, 0.86);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: var(--white);
  background: linear-gradient(135deg, var(--teal), var(--blue));
  border-radius: 8px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 16px;
  line-height: 1.2;
}

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(14px, 2.4vw, 28px);
  color: #31434a;
  font-size: 14px;
  font-weight: 700;
}

.site-nav a {
  padding-block: 8px;
}

.hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: calc(100svh - 76px);
  overflow: hidden;
  isolation: isolate;
}

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

.hero-image {
  object-fit: cover;
  object-position: 58% 50%;
  z-index: -3;
}

.hero-shade {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(247, 250, 249, 0.96) 0%, rgba(247, 250, 249, 0.84) 33%, rgba(247, 250, 249, 0.28) 62%, rgba(247, 250, 249, 0.08) 100%),
    linear-gradient(180deg, rgba(7, 90, 93, 0.06), rgba(23, 33, 38, 0.18));
}

.hero-content {
  width: min(720px, calc(100% - 36px));
  margin-left: clamp(18px, 6vw, 84px);
  padding-block: clamp(54px, 8vw, 104px);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 720px;
  margin-bottom: 24px;
  font-size: clamp(40px, 5.1vw, 66px);
  line-height: 1.16;
  letter-spacing: 0;
  text-wrap: balance;
}

h1 span,
.section-heading h2 span,
.cta h2 span,
.hero-copy span {
  display: block;
}

.mobile-line {
  display: none;
}

.hero-copy {
  max-width: 620px;
  margin-bottom: 32px;
  color: #33464d;
  font-size: clamp(16px, 1.65vw, 19px);
  line-height: 1.85;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  border: 1px solid var(--teal-dark);
  border-radius: 8px;
  font-weight: 800;
}

.button.primary {
  color: var(--white);
  background: var(--teal-dark);
  box-shadow: 0 12px 26px rgba(7, 90, 93, 0.24);
}

.button.secondary {
  color: var(--teal-dark);
  background: rgba(255, 255, 255, 0.72);
}

.signal-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-block: 1px solid var(--line);
  background: var(--white);
}

.signal-strip div {
  display: flex;
  gap: 14px;
  align-items: center;
  min-height: 92px;
  padding: 20px clamp(18px, 4vw, 48px);
}

.signal-strip div + div {
  border-left: 1px solid var(--line);
}

.signal-strip span {
  color: var(--amber);
  font-size: 13px;
  font-weight: 900;
}

.signal-strip strong {
  font-size: clamp(14px, 1.6vw, 17px);
  line-height: 1.45;
}

.section {
  padding: clamp(64px, 9vw, 112px) clamp(18px, 5vw, 72px);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 32px;
}

.section-heading h2,
.cta h2 {
  margin-bottom: 0;
  font-size: clamp(29px, 3.45vw, 44px);
  line-height: 1.28;
  letter-spacing: 0;
  text-wrap: balance;
}

.sites-heading {
  max-width: 620px;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
  gap: clamp(28px, 5vw, 76px);
  align-items: start;
}

.intro-copy {
  max-width: 680px;
  color: #34474f;
  font-size: 17px;
}

.intro-copy p {
  margin-bottom: 18px;
}

.metric-panel {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
  box-shadow: var(--shadow);
}

.metric-panel div {
  min-height: 132px;
  padding: 24px;
  background: var(--white);
}

.metric-panel b {
  display: block;
  margin-bottom: 8px;
  color: var(--teal-dark);
  font-size: 20px;
}

.metric-panel span {
  color: var(--muted);
  font-size: 14px;
}

.band {
  background: #eaf3f1;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.service-card {
  min-height: 264px;
  padding: 24px;
  border: 1px solid rgba(7, 90, 93, 0.14);
  border-radius: 8px;
  background: var(--white);
}

.card-icon {
  position: relative;
  display: block;
  width: 42px;
  height: 42px;
  margin-bottom: 22px;
  color: var(--white);
  background: var(--blue);
  border-radius: 8px;
}

.card-icon::before,
.card-icon::after {
  position: absolute;
  content: "";
}

.card-icon.velocity::before {
  inset: 13px 10px auto;
  height: 4px;
  border-radius: 999px;
  background: var(--white);
  box-shadow: 0 7px 0 rgba(255, 255, 255, 0.82), 0 14px 0 rgba(255, 255, 255, 0.62);
}

.card-icon.filter::before {
  inset: 10px;
  border: 3px solid var(--white);
  border-radius: 3px;
}

.card-icon.filter::after {
  inset: 16px 11px;
  background: repeating-linear-gradient(90deg, var(--white) 0 2px, transparent 2px 6px);
}

.card-icon.airflow::before {
  width: 18px;
  height: 18px;
  left: 10px;
  top: 12px;
  border: 3px solid var(--white);
  border-right-color: transparent;
  border-radius: 50%;
}

.card-icon.airflow::after {
  right: 10px;
  top: 18px;
  width: 8px;
  height: 8px;
  border-top: 3px solid var(--white);
  border-right: 3px solid var(--white);
  transform: rotate(45deg);
}

.card-icon.report::before {
  inset: 9px 12px;
  border: 3px solid var(--white);
  border-radius: 2px;
}

.card-icon.report::after {
  left: 16px;
  right: 16px;
  top: 18px;
  height: 3px;
  border-radius: 999px;
  background: var(--white);
  box-shadow: 0 7px 0 rgba(255, 255, 255, 0.8);
}

.service-card h3,
.site-list h3,
.flow-list h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.4;
}

.service-card p,
.site-list p,
.flow-list p,
.cta p {
  color: var(--muted);
  margin-bottom: 0;
}

.split {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(28px, 6vw, 84px);
  background: var(--white);
}

.site-list {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.site-list div {
  padding: 28px;
  background: var(--white);
}

.company {
  padding-block: clamp(44px, 6vw, 72px);
  background: var(--white);
}

.company .section-heading {
  margin-bottom: 22px;
}

.company .section-heading h2 {
  font-size: clamp(24px, 3vw, 34px);
}

.company-box {
  max-width: 980px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.company-lead {
  max-width: 780px;
  margin: 0;
  padding: 22px 0;
  color: var(--muted);
  font-size: 15px;
}

.profile-table {
  margin: 0;
  border-top: 1px solid var(--line);
  background: var(--white);
}

.profile-table div {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  min-height: 52px;
}

.profile-table div + div {
  border-top: 1px solid var(--line);
}

.profile-table dt,
.profile-table dd {
  margin: 0;
  padding: 13px 0 13px 18px;
}

.profile-table dt {
  color: var(--teal-dark);
  background: transparent;
  font-weight: 900;
}

.profile-table dd {
  color: #34474f;
}

.profile-table dd span {
  display: inline-block;
  margin: 0 8px 8px 0;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  font-size: 13px;
}

.flow {
  background: var(--paper);
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow-list li {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 20px;
  min-height: 248px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.flow-list li > span {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: var(--teal-dark);
  border: 1px solid var(--teal);
  border-radius: 50%;
  font-weight: 900;
}

.cta {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 520px);
  gap: clamp(30px, 6vw, 80px);
  align-items: start;
  padding: clamp(64px, 9vw, 112px) clamp(18px, 5vw, 72px);
  color: var(--white);
  background: linear-gradient(135deg, #075a5d, #1c5d85 58%, #243b4a);
}

.cta .eyebrow,
.cta p {
  color: rgba(255, 255, 255, 0.8);
}

.contact-panel {
  display: grid;
  gap: 22px;
  padding: clamp(24px, 4vw, 34px);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(18px);
}

.contact-panel p {
  margin: 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 16px;
  line-height: 1.8;
}

.contact-buttons {
  display: grid;
  gap: 12px;
}

.contact-button {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 13px 18px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  font-weight: 900;
  text-align: center;
}

.contact-button.mail {
  color: var(--teal-dark);
  background: var(--mint);
}

.contact-button.tel {
  color: var(--white);
  background: rgba(255, 255, 255, 0.12);
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto;
  justify-content: space-between;
  align-items: start;
  gap: 10px;
  padding: 26px clamp(18px, 5vw, 72px);
  color: #d8e8e7;
  background: #172126;
}

.site-footer strong,
.site-footer span,
.site-footer a {
  display: block;
}

.site-footer span {
  color: #a9babf;
}

.site-footer address {
  margin: 0;
  color: #a9babf;
  font-style: normal;
  text-align: right;
}

.site-footer a {
  color: #d8e8e7;
}

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 4px;
    white-space: nowrap;
  }

  .hero {
    min-height: 680px;
  }

  .hero-content {
    margin-inline: 18px;
    width: min(680px, calc(100% - 36px));
  }

  .signal-strip,
  .intro-grid,
  .split,
  .cta {
    grid-template-columns: 1fr;
  }

  .site-footer {
    grid-template-columns: 1fr;
  }

  .site-footer address {
    text-align: left;
  }

  .signal-strip div + div {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .service-grid,
  .flow-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .brand strong {
    font-size: 15px;
  }

  .site-nav {
    gap: 18px;
    font-size: 13px;
  }

  .hero {
    min-height: 660px;
  }

  .hero-image {
    object-position: 70% 50%;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(247, 250, 249, 0.98) 0%, rgba(247, 250, 249, 0.86) 62%, rgba(247, 250, 249, 0.32) 100%),
      linear-gradient(180deg, rgba(247, 250, 249, 0.18), rgba(23, 33, 38, 0.12));
  }

  h1 {
    font-size: 35px;
    line-height: 1.2;
  }

  h1 .desktop-line {
    display: none;
  }

  h1 .mobile-line {
    display: block;
  }

  .hero-copy {
    font-size: 16px;
    line-height: 1.75;
  }

  .section-heading h2,
  .cta h2 {
    font-size: 29px;
    line-height: 1.32;
  }

  .section-heading h2 span,
  .cta h2 span {
    display: inline;
  }

  .button {
    width: 100%;
  }

  .metric-panel,
  .service-grid,
  .flow-list {
    grid-template-columns: 1fr;
  }

  .service-card,
  .flow-list li {
    min-height: auto;
  }

  .profile-table div {
    grid-template-columns: 1fr;
  }

  .profile-table dt,
  .profile-table dd {
    padding: 12px 0;
  }
}