:root {
  --blue: #114a97;
  --blue-bright: #186ab3;
  --green: #9cc52b;
  --green-dark: #7fa51d;
  --navy: #101a2a;
  --navy-soft: #18263a;
  --ink: #1c2733;
  --muted: #65717d;
  --line: #d9dfe4;
  --paper: #f4f5f2;
  --paper-warm: #f8f7f2;
  --white: #ffffff;
  --max: 1200px;
  --shadow: 0 24px 70px rgba(16, 26, 42, 0.12);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

body,
button,
input,
select,
textarea {
  font-family: var(--font);
}

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

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

button,
input,
select,
textarea {
  font-size: inherit;
}

button,
.button {
  cursor: pointer;
}

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

.container {
  width: min(calc(100% - 48px), var(--max));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 16px;
  color: var(--white);
  background: var(--blue);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid rgba(16, 26, 42, 0.1);
}

.utility-bar {
  color: rgba(255, 255, 255, 0.78);
  background: var(--navy);
  font-size: 12px;
}

.utility-inner {
  min-height: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.utility-contact {
  display: flex;
  gap: 22px;
}

.utility-contact a:hover {
  color: var(--white);
}

.nav {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand-logo {
  flex: 0 1 380px;
  min-width: 260px;
}

.brand-logo img {
  width: 100%;
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 23px;
  white-space: nowrap;
}

.nav-links > a {
  position: relative;
  color: #3f4b56;
  font-size: 14px;
  font-weight: 600;
}

.nav-links > a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 2px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

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

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

.nav-links .nav-cta {
  padding: 11px 18px;
  color: var(--white);
  background: var(--blue);
  border: 1px solid var(--blue);
}

.nav-links .nav-cta:hover {
  color: var(--white);
  background: #0d3d7f;
}

.nav-toggle {
  display: none;
  min-width: 48px;
  height: 42px;
  padding: 0 13px;
  color: var(--blue);
  background: var(--white);
  border: 1px solid var(--line);
  font-weight: 700;
}

.hero-home {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: var(--navy);
}

.hero-home::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 32%;
  height: 100%;
  background: var(--blue);
  opacity: 0.12;
}

.hero-home::after {
  content: "";
  position: absolute;
  top: 0;
  right: 20%;
  width: 1px;
  height: 100%;
  background: rgba(255, 255, 255, 0.09);
}

.hero-layout {
  position: relative;
  z-index: 1;
  min-height: 680px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);
  align-items: center;
  gap: 72px;
  padding-block: 86px 92px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section-label::before {
  content: "";
  width: 36px;
  height: 3px;
  background: var(--green);
}

.section-label-light {
  color: rgba(255, 255, 255, 0.7);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.eyebrow::before {
  content: "";
  width: 36px;
  height: 3px;
  background: currentColor;
}

.hero-copy h1 {
  max-width: 720px;
  margin-bottom: 28px;
  font-size: clamp(42px, 5.4vw, 72px);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.hero-copy h1 em {
  display: block;
  margin-top: 10px;
  color: #dbe4ef;
  font-size: 0.65em;
  font-style: normal;
  font-weight: 500;
  line-height: 1.32;
  letter-spacing: -0.02em;
}

.hero-copy > p {
  max-width: 660px;
  margin-bottom: 34px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 17px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 24px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.02em;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-green {
  color: var(--navy);
  background: var(--green);
  border-color: var(--green);
}

.button-green:hover {
  background: #acd33b;
  border-color: #acd33b;
}

.button-blue {
  color: var(--white);
  background: var(--blue);
  border-color: var(--blue);
}

.button-blue:hover {
  background: #0d3d7f;
}

.button-primary {
  color: var(--navy);
  background: var(--green);
  border-color: var(--green);
}

.button-dark {
  color: var(--white);
  background: var(--blue);
  border-color: var(--blue);
}

.button-light-outline {
  color: var(--white);
  background: transparent;
  border-color: rgba(255, 255, 255, 0.36);
}

.button-light-outline:hover {
  color: var(--navy);
  background: var(--white);
  border-color: var(--white);
}

.button-full {
  width: 100%;
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 42px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 13px;
}

.hero-facts span {
  position: relative;
}

.hero-facts span:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -14px;
  width: 3px;
  height: 3px;
  background: var(--green);
  border-radius: 50%;
}

.hero-media {
  position: relative;
  padding: 16px 16px 84px;
  background: var(--white);
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.28);
}

.hero-media::before {
  content: "";
  position: absolute;
  top: -14px;
  right: -14px;
  width: 100px;
  height: 100px;
  border-top: 6px solid var(--green);
  border-right: 6px solid var(--green);
}

.hero-image-frame {
  aspect-ratio: 1.12 / 0.72;
  overflow: hidden;
  background: #f4f4f1;
}

.hero-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-media-caption {
  position: absolute;
  right: 18px;
  bottom: 17px;
  left: 18px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: end;
  gap: 0 18px;
  color: var(--ink);
}

.hero-media-caption span {
  grid-row: 1 / 3;
  align-self: center;
  padding-right: 18px;
  color: var(--blue);
  border-right: 1px solid var(--line);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.hero-media-caption strong {
  font-size: 19px;
}

.hero-media-caption p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.proof-rail {
  color: var(--white);
  background: var(--blue);
}

.proof-rail-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.proof-rail-grid > div {
  min-height: 82px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 26px;
  border-right: 1px solid rgba(255, 255, 255, 0.16);
}

.proof-rail-grid > div:first-child {
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}

.proof-rail-grid b {
  color: var(--green);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.proof-rail-grid span {
  font-size: 14px;
  font-weight: 700;
}

.section {
  padding-block: 104px;
}

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

.section-products,
.process-section {
  background: var(--paper-warm);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 54px;
}

.section-heading-wide {
  max-width: none;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
  align-items: end;
  gap: 80px;
}

.section-heading-wide .section-label {
  display: flex;
  width: max-content;
}

.section-heading h2,
.service-intro h2,
.project-copy h2,
.inquiry-intro h2 {
  margin-bottom: 18px;
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.18;
  letter-spacing: -0.035em;
}

.section-heading p,
.service-intro > p {
  margin-bottom: 0;
  color: var(--muted);
}

.section-heading-center {
  margin-inline: auto;
  text-align: center;
}

.section-heading-center .section-label {
  justify-content: center;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.problem-card {
  min-height: 280px;
  padding: 36px;
  background: rgba(255, 255, 255, 0.52);
  border-right: 1px solid var(--line);
}

.problem-card:first-child {
  border-left: 1px solid var(--line);
}

.card-index {
  display: block;
  margin-bottom: 46px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
}

.problem-card h3 {
  margin-bottom: 12px;
  font-size: 22px;
}

.problem-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.application-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.application-card {
  position: relative;
  min-height: 330px;
  display: flex;
  flex-direction: column;
  padding: 38px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.application-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  background: var(--green);
  transform: scaleY(0.22);
  transform-origin: top;
  transition: transform 180ms ease;
}

.application-card:hover {
  border-color: #b6c1cb;
  box-shadow: 0 18px 50px rgba(16, 26, 42, 0.08);
  transform: translateY(-3px);
}

.application-card:hover::before {
  transform: scaleY(1);
}

.application-no {
  margin-bottom: 48px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.application-card h3 {
  margin-bottom: 14px;
  font-size: 25px;
}

.application-card p {
  margin-bottom: 18px;
  color: var(--muted);
}

.application-product {
  margin-bottom: 26px;
  color: #455361;
  font-size: 13px;
  font-weight: 700;
}

.application-card a,
.product-copy a,
.article-card a,
.text-link {
  width: max-content;
  margin-top: auto;
  color: var(--blue);
  border-bottom: 1px solid rgba(17, 74, 151, 0.28);
  font-size: 14px;
  font-weight: 800;
}

.application-card a:hover,
.product-copy a:hover,
.article-card a:hover,
.text-link:hover {
  color: var(--blue-bright);
  border-color: var(--blue-bright);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.product-card {
  display: grid;
  grid-template-columns: 44% 56%;
  min-height: 350px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
}

.product-photo {
  min-height: 350px;
  overflow: hidden;
  background: #f2f3f1;
}

.product-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-photo-cover img {
  object-position: center;
}

.product-copy {
  display: flex;
  flex-direction: column;
  padding: 32px;
}

.product-copy > span {
  margin-bottom: 30px;
  color: var(--blue);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.product-copy h3 {
  margin-bottom: 12px;
  font-size: 24px;
}

.product-copy p {
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 14px;
}

.product-meta {
  margin-bottom: 24px;
  color: #475462;
  font-size: 12px;
}

.section-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-top: 30px;
  padding: 28px 32px;
  color: var(--white);
  background: var(--navy);
}

.section-action p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
}

.project-preview {
  color: var(--white);
  background: var(--navy);
}

.project-layout {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 76px;
}

.project-image {
  position: relative;
  border: 14px solid var(--white);
  box-shadow: var(--shadow);
}

.project-image::after {
  content: "";
  position: absolute;
  top: -14px;
  left: -14px;
  width: 88px;
  height: 7px;
  background: var(--green);
}

.project-image img {
  width: 100%;
  aspect-ratio: 1.65 / 1;
  object-fit: cover;
}

.project-image > span {
  position: absolute;
  right: 0;
  bottom: 0;
  padding: 10px 16px;
  color: var(--white);
  background: rgba(16, 26, 42, 0.88);
  font-size: 12px;
}

.project-copy p {
  margin-bottom: 24px;
  color: rgba(255, 255, 255, 0.68);
}

.project-categories {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  margin: 0 0 34px;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.project-categories li {
  padding: 14px 12px 14px 0;
  color: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 13px;
}

.service-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(540px, 1.12fr);
  gap: 82px;
}

.service-intro {
  align-self: center;
}

.service-intro .text-link {
  display: inline-block;
  margin-top: 28px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.service-grid article {
  min-height: 220px;
  padding: 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.service-grid b {
  color: var(--green-dark);
  font-size: 12px;
}

.service-grid h3 {
  margin: 36px 0 10px;
  font-size: 20px;
}

.service-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.process-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: process;
}

.process-list li {
  position: relative;
  min-height: 250px;
  padding: 30px 24px;
  background: var(--white);
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.process-list li:first-child {
  border-left: 1px solid var(--line);
}

.process-list li:not(:last-child)::after {
  content: "→";
  position: absolute;
  top: 35px;
  right: -10px;
  z-index: 1;
  color: var(--blue);
  background: var(--paper-warm);
  font-size: 14px;
  font-weight: 800;
}

.process-list b {
  display: block;
  margin-bottom: 60px;
  color: var(--blue);
  font-size: 12px;
}

.process-list h3 {
  margin-bottom: 10px;
  font-size: 17px;
}

.process-list p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.article-card {
  min-height: 340px;
  display: flex;
  flex-direction: column;
  padding: 34px;
  background: var(--white);
  border-top: 5px solid var(--blue);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.article-card > span {
  margin-bottom: 56px;
  color: var(--green-dark);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.article-card h3 {
  margin-bottom: 14px;
  font-size: 21px;
  line-height: 1.45;
}

.article-card p {
  margin-bottom: 26px;
  color: var(--muted);
  font-size: 13px;
}

.inquiry-section {
  padding-block: 104px;
  color: var(--white);
  background: var(--blue);
}

.inquiry-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(560px, 1.18fr);
  gap: 80px;
}

.inquiry-intro {
  align-self: start;
  position: sticky;
  top: 150px;
}

.inquiry-intro > p {
  margin-bottom: 36px;
  color: rgba(255, 255, 255, 0.72);
}

.direct-contact {
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.direct-contact > div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}

.direct-contact span {
  color: rgba(255, 255, 255, 0.55);
  font-size: 12px;
}

.direct-contact a {
  font-weight: 800;
}

.inquiry-panel,
.contact-panel {
  padding: 38px;
  color: var(--ink);
  background: var(--white);
  box-shadow: var(--shadow);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.field {
  display: grid;
  gap: 7px;
}

.field-full {
  grid-column: 1 / -1;
}

.field label {
  color: #384553;
  font-size: 12px;
  font-weight: 800;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 48px;
  padding: 11px 13px;
  color: var(--ink);
  background: #fbfcfd;
  border: 1px solid #cfd7df;
  border-radius: 0;
  outline: none;
}

.field textarea {
  min-height: 118px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(17, 74, 151, 0.11);
}

.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 20px 0;
  color: var(--muted);
  font-size: 12px;
}

.form-consent input {
  margin-top: 4px;
}

.form-consent a {
  color: var(--blue);
  text-decoration: underline;
}

.honeypot {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

.form-status {
  min-height: 24px;
  margin-top: 14px;
  font-size: 13px;
}

.form-status.success {
  color: #3e7411;
}

.form-status.error {
  color: #a52e24;
}

.form-status a {
  text-decoration: underline;
}

.site-footer {
  padding-top: 72px;
  background: var(--paper);
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 70px;
  padding-bottom: 60px;
}

.footer-brand img {
  width: min(100%, 390px);
  height: auto;
  margin-bottom: 22px;
}

.footer-brand p {
  max-width: 420px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.footer-column {
  display: grid;
  align-content: start;
  gap: 10px;
}

.footer-column h2 {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 14px;
}

.footer-column a {
  color: var(--muted);
  font-size: 13px;
}

.footer-column a:hover {
  color: var(--blue);
}

.footer-bottom {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 12px;
}

.footer-bottom > div {
  display: flex;
  gap: 22px;
}

.mobile-contact {
  display: none;
}

/* Internal pages */
.page-hero {
  position: relative;
  overflow: hidden;
  padding-block: 84px 92px;
  color: var(--white);
  background: var(--navy);
}

.page-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 26%;
  height: 100%;
  background: var(--blue);
  opacity: 0.17;
}

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

.breadcrumb {
  margin-bottom: 34px;
  color: rgba(255, 255, 255, 0.52);
  font-size: 12px;
}

.breadcrumb a:hover {
  color: var(--white);
}

.page-hero h1 {
  max-width: 900px;
  margin-bottom: 22px;
  font-size: clamp(40px, 5vw, 66px);
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.page-hero p {
  max-width: 720px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 17px;
}

.page-hero .actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.content-wrap {
  max-width: 860px;
}

.content-wrap h2 {
  margin-top: 40px;
  font-size: 26px;
}

.content-wrap h3 {
  margin-top: 30px;
  font-size: 20px;
}

.content-wrap p,
.content-wrap li {
  color: var(--muted);
}

.page-hero .content-wrap p {
  color: rgba(255, 255, 255, 0.72);
}

.page-tabs {
  background: var(--blue);
}

.page-tabs .container {
  display: flex;
  overflow-x: auto;
}

.page-tabs a {
  flex: 0 0 auto;
  padding: 17px 24px;
  color: rgba(255, 255, 255, 0.75);
  border-right: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 13px;
  font-weight: 700;
}

.page-tabs a:first-child {
  border-left: 1px solid rgba(255, 255, 255, 0.15);
}

.page-tabs a:hover {
  color: var(--navy);
  background: var(--green);
}

.detail-section {
  padding-block: 92px;
  scroll-margin-top: 120px;
}

.detail-section:nth-child(even) {
  background: var(--paper-warm);
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(360px, 0.82fr) minmax(0, 1.18fr);
  gap: 72px;
  align-items: start;
}

.detail-media {
  position: sticky;
  top: 140px;
  border: 1px solid var(--line);
  background: var(--white);
}

.detail-media img {
  width: 100%;
  aspect-ratio: 1.3 / 1;
  object-fit: cover;
}

.detail-media-caption {
  padding: 16px 18px;
  color: var(--muted);
  font-size: 12px;
}

.detail-copy h2 {
  margin-bottom: 18px;
  font-size: clamp(32px, 3.5vw, 48px);
  line-height: 1.2;
}

.detail-copy > p {
  color: var(--muted);
}

.detail-points {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: 34px 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.detail-points div {
  padding: 22px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.detail-points b {
  display: block;
  margin-bottom: 6px;
  color: var(--blue);
  font-size: 12px;
}

.detail-points span {
  color: #3c4955;
  font-size: 13px;
}

.notice-box {
  margin-top: 28px;
  padding: 20px 22px;
  color: #465463;
  background: #eef3f8;
  border-left: 4px solid var(--blue);
  font-size: 13px;
}

.checklist {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.checklist > div {
  min-height: 170px;
  padding: 26px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.checklist b {
  display: block;
  margin-bottom: 24px;
  color: var(--blue);
  font-size: 12px;
}

.checklist h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

.checklist p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

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

.faq-item {
  display: grid;
  grid-template-columns: minmax(240px, 0.7fr) minmax(0, 1.3fr);
  gap: 50px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.faq-item h3 {
  margin: 0;
  font-size: 17px;
}

.faq-item p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.content-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.content-card {
  min-height: 290px;
  display: flex;
  flex-direction: column;
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--line);
}

.content-card > span {
  margin-bottom: 44px;
  color: var(--blue);
  font-size: 11px;
  font-weight: 800;
}

.content-card h2,
.content-card h3 {
  margin-bottom: 12px;
  font-size: 21px;
  line-height: 1.4;
}

.content-card p {
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 13px;
}

.content-card a {
  width: max-content;
  margin-top: auto;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
}

.project-placeholder {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 68px;
  padding: 36px;
  background: var(--paper-warm);
  border: 1px solid var(--line);
}

.project-placeholder img {
  width: 100%;
  aspect-ratio: 1.65 / 1;
  object-fit: cover;
}

.project-placeholder h2 {
  margin-bottom: 16px;
  font-size: clamp(30px, 3.2vw, 45px);
}

.project-placeholder p {
  color: var(--muted);
}

.case-data-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 40px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.case-data-grid div {
  min-height: 130px;
  padding: 22px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.case-data-grid b {
  display: block;
  margin-bottom: 10px;
  color: var(--blue);
  font-size: 12px;
}

.case-data-grid span {
  color: var(--muted);
  font-size: 13px;
}

.about-statement {
  max-width: 900px;
  margin-inline: auto;
  text-align: center;
}

.about-statement h2 {
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.25;
}

.about-statement p {
  color: var(--muted);
  font-size: 17px;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.68fr) minmax(560px, 1.32fr);
  gap: 72px;
}

.contact-aside {
  padding: 34px;
  color: var(--white);
  background: var(--navy);
}

.contact-aside h2 {
  margin-bottom: 14px;
  font-size: 30px;
}

.contact-aside > p {
  color: rgba(255, 255, 255, 0.66);
}

.contact-aside .direct-contact {
  margin-top: 30px;
}

.contact-panel h2 {
  margin-bottom: 8px;
  font-size: 30px;
}

.contact-panel > p {
  margin-bottom: 28px;
  color: var(--muted);
}

@media (max-width: 1160px) {
  .brand-logo {
    flex-basis: 320px;
    min-width: 270px;
  }

  .nav-links {
    gap: 15px;
  }

  .nav-links > a {
    font-size: 13px;
  }

  .nav-links .nav-cta {
    display: none;
  }

  .hero-layout {
    grid-template-columns: minmax(0, 1fr) minmax(370px, 0.82fr);
    gap: 44px;
  }

  .product-card {
    grid-template-columns: 42% 58%;
  }
}

@media (max-width: 960px) {
  .utility-inner > span {
    display: none;
  }

  .utility-inner {
    justify-content: flex-end;
  }

  .nav {
    min-height: 74px;
  }

  .brand-logo {
    flex-basis: 330px;
    min-width: 0;
  }

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

  .nav-links {
    position: absolute;
    top: 108px;
    right: 0;
    left: 0;
    display: none;
    align-items: stretch;
    padding: 18px 24px 26px;
    background: var(--white);
    border-top: 1px solid var(--line);
    box-shadow: 0 20px 40px rgba(16, 26, 42, 0.13);
  }

  .nav-links.open {
    display: grid;
  }

  .nav-links > a {
    padding: 11px 0;
    border-bottom: 1px solid var(--line);
  }

  .nav-links > a::after {
    display: none;
  }

  .nav-links .nav-cta {
    display: inline-flex;
    justify-content: center;
    margin-top: 8px;
    border-bottom: 0;
  }

  .hero-layout,
  .project-layout,
  .service-layout,
  .inquiry-layout,
  .detail-layout,
  .contact-layout,
  .project-placeholder {
    grid-template-columns: 1fr;
  }

  .hero-layout {
    padding-block: 72px;
  }

  .hero-media {
    max-width: 620px;
  }

  .proof-rail-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .section-heading-wide {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

  .problem-card {
    min-height: 0;
    border-left: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .problem-card:last-child {
    border-bottom: 0;
  }

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

  .product-card {
    grid-template-columns: 40% 60%;
  }

  .service-layout {
    gap: 54px;
  }

  .process-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-list li:nth-child(3) {
    border-left: 1px solid var(--line);
  }

  .process-list li:nth-child(5) {
    border-left: 1px solid var(--line);
  }

  .article-grid,
  .content-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .inquiry-intro,
  .detail-media {
    position: static;
  }

  .inquiry-layout,
  .contact-layout {
    gap: 44px;
  }

  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .checklist {
    grid-template-columns: repeat(2, 1fr);
  }

  .case-data-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 680px) {
  body {
    padding-bottom: 58px;
  }

  .container {
    width: min(calc(100% - 30px), var(--max));
  }

  .utility-bar {
    display: none;
  }

  .nav {
    min-height: 70px;
  }

  .brand-logo {
    max-width: calc(100% - 70px);
  }

  .nav-links {
    top: 70px;
  }

  .hero-layout {
    min-height: auto;
    padding-block: 58px 64px;
  }

  .hero-copy h1 {
    font-size: 42px;
  }

  .hero-copy > p {
    font-size: 15px;
  }

  .hero-actions {
    display: grid;
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-facts {
    display: grid;
    gap: 8px;
  }

  .hero-facts span::after {
    display: none;
  }

  .hero-media {
    padding: 10px 10px 92px;
  }

  .hero-media-caption {
    grid-template-columns: auto 1fr;
  }

  .proof-rail-grid {
    grid-template-columns: 1fr;
  }

  .proof-rail-grid > div,
  .proof-rail-grid > div:first-child {
    min-height: 58px;
    border-right: 1px solid rgba(255, 255, 255, 0.16);
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
    border-left: 1px solid rgba(255, 255, 255, 0.16);
  }

  .section,
  .inquiry-section {
    padding-block: 72px;
  }

  .section-heading {
    margin-bottom: 38px;
  }

  .section-heading h2,
  .service-intro h2,
  .project-copy h2,
  .inquiry-intro h2 {
    font-size: 34px;
  }

  .problem-card {
    padding: 28px;
  }

  .card-index {
    margin-bottom: 28px;
  }

  .application-grid,
  .article-grid,
  .content-card-grid,
  .service-grid {
    grid-template-columns: 1fr;
  }

  .application-card {
    min-height: 300px;
    padding: 30px;
  }

  .product-card {
    grid-template-columns: 1fr;
  }

  .product-photo {
    min-height: 260px;
  }

  .product-copy {
    min-height: 330px;
  }

  .section-action {
    align-items: stretch;
    flex-direction: column;
  }

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

  .service-grid article {
    min-height: 190px;
  }

  .process-list {
    grid-template-columns: 1fr;
  }

  .process-list li,
  .process-list li:nth-child(3),
  .process-list li:nth-child(5) {
    min-height: 210px;
    border-left: 1px solid var(--line);
  }

  .process-list li:not(:last-child)::after {
    top: auto;
    right: 30px;
    bottom: -12px;
    transform: rotate(90deg);
  }

  .process-list b {
    margin-bottom: 40px;
  }

  .inquiry-panel,
  .contact-panel,
  .contact-aside {
    padding: 26px 20px;
  }

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

  .field-full {
    grid-column: auto;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 36px 26px;
  }

  .footer-column:last-child {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    padding-block: 18px;
  }

  .footer-bottom > div {
    flex-wrap: wrap;
    gap: 8px 18px;
  }

  .page-hero {
    padding-block: 64px 70px;
  }

  .page-hero h1 {
    font-size: 40px;
  }

  .detail-points,
  .checklist,
  .case-data-grid {
    grid-template-columns: 1fr;
  }

  .faq-item {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .mobile-contact {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 120;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    color: var(--white);
    background: var(--navy);
    box-shadow: 0 -8px 22px rgba(16, 26, 42, 0.18);
  }

  .mobile-contact a {
    min-height: 58px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-right: 1px solid rgba(255, 255, 255, 0.14);
    font-size: 14px;
    font-weight: 800;
  }

  .mobile-contact a:last-child {
    color: var(--navy);
    background: var(--green);
  }
}