:root {
  --ink: #0b171d;
  --ink-2: #12242c;
  --paper: #f3f2ed;
  --white: #fff;
  --text: #253238;
  --muted: #68767c;
  --line: #d9dedc;
  --accent: #f2a900;
  --aqua: #60d4c8;
  --max: 1240px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: "Noto Sans JP", sans-serif;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
body.menu-open {
  overflow: hidden;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  display: block;
  max-width: 100%;
}
button {
  font: inherit;
}
.wrap {
  width: min(var(--max), calc(100% - 80px));
  margin-inline: auto;
}
.scroll-progress {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--accent);
}
.site-header {
  height: 82px;
  padding: 0 30px 0 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(243, 242, 237, 0.94);
  backdrop-filter: blur(14px);
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  border-bottom: 1px solid rgba(30, 50, 58, 0.1);
}
.brand {
  display: flex;
  align-items: center;
  gap: 13px;
}
.brand-symbol {
  font-family: "Barlow Condensed", sans-serif;
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  border-right: 1px solid #adb6b5;
  padding-right: 13px;
  color: var(--ink);
}
.brand-text {
  font-size: 12px;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
}
.brand-text small {
  display: block;
  font-family: "Barlow Condensed", sans-serif;
  color: #839093;
  font-size: 9px;
  letter-spacing: 0.18em;
  margin-top: 5px;
}
.desktop-nav {
  display: flex;
  gap: clamp(18px, 2.3vw, 36px);
  font-size: 12px;
  font-weight: 600;
}
.desktop-nav a {
  position: relative;
}
.desktop-nav a:after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -10px;
  height: 2px;
  background: var(--accent);
  transition: 0.25s;
}
.desktop-nav a:hover:after {
  right: 0;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}
.phone {
  font-family: "Barlow Condensed";
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.03em;
}
.phone span {
  font-size: 9px;
  color: #8d989b;
  letter-spacing: 0.16em;
  display: block;
  line-height: 1;
}
.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 0;
  background: var(--ink);
  padding: 12px;
  cursor: pointer;
}
.menu-toggle i {
  height: 1px;
  background: #fff;
  display: block;
  margin: 5px 0;
  transition: 0.25s;
}
.mobile-menu {
  display: none;
}
.hero {
  height: max(700px, 100vh);
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: #fff;
}
.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(4, 15, 20, 0.95) 0%, rgba(4, 15, 20, 0.7) 45%, rgba(4, 15, 20, 0.12) 76%), linear-gradient(0deg, rgba(4, 15, 20, 0.6), transparent 40%);
}
.hero-grid {
  position: absolute;
  inset: 82px 0 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(90deg, #000, transparent 72%);
}
.hero-copy {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: max(40px, calc((100% - var(--max)) / 2));
  transform: translateY(-46%);
  max-width: 790px;
}
.kicker,
.overline,
.section-label,
.work-meta > span,
.contact-card > span {
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 600;
  letter-spacing: 0.2em;
}
.kicker {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  color: #cbd4d3;
}
.kicker span {
  width: 44px;
  height: 2px;
  background: var(--accent);
}
.hero h1 {
  font-size: clamp(54px, 7vw, 98px);
  line-height: 1.19;
  letter-spacing: 0.035em;
  margin: 24px 0 26px;
  color: #f8faf8;
}
.hero h1 span {
  color: var(--accent);
}
.hero-summary {
  font-size: clamp(14px, 1.35vw, 18px);
  color: #d2dad9;
  line-height: 2;
}
.hero-buttons {
  display: flex;
  gap: 12px;
  margin-top: 42px;
}
.button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-width: 220px;
  height: 62px;
  padding: 0 22px;
  font-size: 13px;
  font-weight: 700;
  transition: 0.3s var(--ease);
}
.button b {
  font-size: 17px;
}
.button-accent {
  background: var(--accent);
  color: var(--ink);
}
.button-accent:hover {
  background: #ffc12e;
  transform: translateY(-3px);
}
.button-outline {
  border: 1px solid rgba(255, 255, 255, 0.45);
}
.button-outline:hover {
  background: #fff;
  color: var(--ink);
}
.hero-index {
  position: absolute;
  z-index: 3;
  right: 38px;
  top: 50%;
  display: flex;
  align-items: center;
  gap: 10px;
  transform: rotate(90deg);
  transform-origin: center;
  color: #fff;
  font-family: "Barlow Condensed";
}
.hero-index b {
  color: var(--accent);
}
.hero-index span {
  width: 70px;
  height: 1px;
  background: rgba(255, 255, 255, 0.4);
}
.hero-index em {
  font-style: normal;
  color: #aeb8b9;
}
.hero-note {
  position: absolute;
  z-index: 3;
  bottom: 30px;
  left: 42px;
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: "Barlow Condensed";
  font-size: 10px;
  letter-spacing: 0.2em;
}
.hero-note i {
  width: 80px;
  height: 1px;
  background: #fff;
  position: relative;
  overflow: hidden;
}
.hero-note i:after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent);
  animation: scan 2s infinite var(--ease);
}
@keyframes scan {
  0% {
    transform: translateX(-110%);
  }
  100% {
    transform: translateX(110%);
  }
}
.section {
  padding: 130px 0;
}
.statement {
  padding: 140px 0 0;
  background: #fff;
}
.statement-grid {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 50px;
}
.section-label {
  display: flex;
  align-items: flex-start;
  gap: 17px;
  padding-top: 12px;
  color: #5a686e;
  font-size: 12px;
}
.section-label span {
  font-size: 11px;
  color: #b1b9ba;
}
.section-label p {
  margin: 0;
  writing-mode: vertical-rl;
}
.statement-copy {
  max-width: 920px;
}
.overline {
  font-size: 13px;
  color: #738086;
  margin: 0 0 14px;
}
.overline.light {
  color: var(--aqua);
}
.statement h2,
.section-top h2,
.drone h2,
.company h2,
.contact h2 {
  color: var(--ink);
  font-size: clamp(38px, 5vw, 66px);
  line-height: 1.42;
  letter-spacing: 0.03em;
  margin: 0;
}
.statement h2 strong,
.drone h2 strong {
  font-weight: 700;
  background: linear-gradient(transparent 70%, rgba(242, 169, 0, 0.35) 0);
}
.statement-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin: 55px 0 105px;
  font-size: 15px;
  color: var(--muted);
}
.statement-body p {
  margin: 0;
}
.value-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--ink);
  color: #fff;
}
.value-band > div {
  padding: 48px clamp(30px, 4vw, 70px);
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}
.value-band b {
  font-family: "Barlow Condensed";
  color: var(--accent);
  font-size: 13px;
}
.value-band h3 {
  font-size: 20px;
  margin: 13px 0 10px;
}
.value-band p {
  font-size: 13px;
  color: #aeb9bb;
  margin: 0;
}
.continuum {
  padding: 115px 0 100px;
  background: var(--ink-2);
  color: #fff;
}
.continuum-head {
  display: grid;
  grid-template-columns: 1fr 0.72fr;
  gap: 90px;
  align-items: end;
}
.continuum-head h2 {
  font-size: clamp(36px, 4.6vw, 60px);
  line-height: 1.45;
  margin: 0;
}
.continuum-head p {
  color: #b1bdc0;
  font-size: 14px;
  margin: 0;
}
.process {
  list-style: none;
  padding: 0;
  margin: 76px 0 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}
.process li {
  position: relative;
  padding: 28px 18px 0 0;
}
.process li:before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(242, 169, 0, 0.12);
}
.process li:not(:last-child):after {
  content: "→";
  position: absolute;
  right: 20px;
  top: 25px;
  color: #65767b;
}
.process span,
.process strong,
.process small {
  display: block;
}
.process span {
  font-family: "Barlow Condensed";
  color: var(--accent);
  font-size: 12px;
}
.process strong {
  font-size: 16px;
  margin-top: 14px;
}
.process small {
  font-family: "Barlow Condensed";
  color: #7f9196;
  letter-spacing: 0.1em;
  margin-top: 4px;
}
.section-top {
  display: grid;
  grid-template-columns: 160px 1fr 330px;
  gap: 50px;
  align-items: end;
  margin-bottom: 75px;
}
.section-intro {
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 8px;
}
.engineering-layout {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 80px;
  align-items: start;
}
.engineering-photo {
  margin: 0;
  position: sticky;
  top: 115px;
}
.engineering-photo img {
  width: 100%;
  height: 650px;
  object-fit: cover;
}
.engineering-photo figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  background: var(--accent);
  padding: 24px 30px;
  min-width: 62%;
  color: var(--ink);
}
.engineering-photo figcaption span {
  font-family: "Barlow Condensed";
  font-size: 10px;
  letter-spacing: 0.18em;
}
.engineering-photo figcaption b {
  display: block;
  font-size: 16px;
  line-height: 1.6;
  margin-top: 4px;
}
.engineering-services article {
  display: grid;
  grid-template-columns: 55px 1fr;
  gap: 24px;
  padding: 32px 0;
  border-top: 1px solid var(--line);
}
.engineering-services article:last-child {
  border-bottom: 1px solid var(--line);
}
.engineering-services > article > span {
  font-family: "Barlow Condensed";
  font-weight: 600;
  color: var(--accent);
}
.engineering-services h3 {
  margin: 0 0 10px;
  font-size: 21px;
  color: var(--ink);
}
.engineering-services p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}
.drone {
  position: relative;
  min-height: 1000px;
  background: var(--ink);
  color: #fff;
  overflow: hidden;
}
.drone-image {
  position: absolute;
  inset: 0;
}
.drone-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.drone-image > div {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5, 16, 21, 0.95) 0%, rgba(5, 16, 21, 0.82) 48%, rgba(5, 16, 21, 0.46)), linear-gradient(0deg, #08151b 0%, transparent 45%);
}
.drone-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 110px;
  padding-top: 150px;
  padding-bottom: 140px;
}
.light-label {
  color: #a9b9bc;
}
.drone-copy {
  padding-top: 10px;
}
.drone-copy .section-label {
  margin-bottom: 65px;
}
.drone h2,
.company h2 {
  color: #fff;
}
.drone-copy > p:not(.overline) {
  font-size: 14px;
  color: #b6c1c3;
  margin: 35px 0;
  max-width: 520px;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 40px;
  font-size: 13px;
  font-weight: 700;
  border-bottom: 1px solid rgba(255, 255, 255, 0.4);
  padding-bottom: 10px;
}
.text-link span {
  color: var(--accent);
  font-size: 18px;
}
.drone-services {
  margin-top: 175px;
}
.drone-services article {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}
.drone-services article:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}
.drone-services button {
  border: 0;
  background: none;
  color: #fff;
  width: 100%;
  height: 78px;
  display: grid;
  grid-template-columns: 48px 1fr 30px;
  align-items: center;
  text-align: left;
  cursor: pointer;
  padding: 0;
}
.drone-services button span {
  font-family: "Barlow Condensed";
  color: var(--accent);
  font-size: 12px;
}
.drone-services button b {
  font-size: 17px;
}
.drone-services button i {
  font-style: normal;
  font-size: 22px;
  text-align: right;
  color: #91a2a6;
}
.drone-services article > div {
  display: grid;
  grid-template-rows: 0fr;
  transition: 0.35s var(--ease);
}
.drone-services article > div p {
  overflow: hidden;
  margin: 0;
  color: #aab7ba;
  font-size: 13px;
}
.drone-services article.is-active > div {
  grid-template-rows: 1fr;
}
.drone-services article.is-active > div p {
  padding: 0 30px 28px 48px;
}
.data {
  background: #e9ebe7;
}
.data-board {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  background: #fff;
  min-height: 550px;
}
.data-visual {
  background: var(--ink-2);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 46px;
  color: #fff;
}
.radar {
  width: 220px;
  height: 220px;
  border: 1px solid rgba(96, 212, 200, 0.5);
  border-radius: 50%;
  position: relative;
  display: grid;
  place-items: center;
  background: repeating-radial-gradient(circle, transparent 0 38px, rgba(96, 212, 200, 0.16) 39px 40px);
}
.radar:before,
.radar:after {
  content: "";
  position: absolute;
  background: rgba(96, 212, 200, 0.25);
}
.radar:before {
  width: 1px;
  height: 100%;
}
.radar:after {
  height: 1px;
  width: 100%;
}
.radar b {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: var(--ink);
  z-index: 2;
  font-family: "Barlow Condensed";
  font-size: 21px;
}
.radar-dot {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--aqua);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--aqua);
}
.radar-dot.one {
  top: 28px;
  left: 72px;
}
.radar-dot.two {
  bottom: 42px;
  right: 31px;
}
.radar-dot.three {
  top: 92px;
  right: 14px;
}
.data-visual > p {
  font-family: "Barlow Condensed";
  font-weight: 600;
  letter-spacing: 0.12em;
  color: #c7d2d3;
}
.data-visual > p span {
  color: var(--accent);
  font-size: 24px;
}
.data-steps {
  padding: 55px 60px;
  margin: 0;
  list-style: none;
}
.data-steps li {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.data-steps li > span {
  font-family: "Barlow Condensed";
  font-size: 11px;
  color: #98a3a4;
  letter-spacing: 0.1em;
}
.data-steps h3 {
  font-size: 17px;
  margin: 0 0 6px;
  color: var(--ink);
}
.data-steps p {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
}
.works {
  background: #fff;
}
.dark-link {
  color: var(--ink);
  border-color: #aab1b1;
  margin-bottom: 10px;
}
.works-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
}
.work-card {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  min-height: 250px;
  background: var(--paper);
  overflow: hidden;
}
.work-large {
  grid-row: span 2;
  grid-template-columns: 1fr;
  min-height: 560px;
}
.work-wide {
  grid-column: span 2;
  grid-template-columns: 1fr 1fr;
}
.work-art {
  min-height: 250px;
  position: relative;
  overflow: hidden;
  background: var(--ink-2);
}
.work-art:before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 30px 30px;
}
.work-art span,
.work-art i,
.work-art b {
  position: absolute;
  display: block;
}
.art-box span {
  width: 48%;
  height: 48%;
  left: 26%;
  top: 30%;
  border: 2px solid var(--accent);
  transform: skewY(-5deg);
}
.art-box i {
  width: 28%;
  height: 34%;
  left: 36%;
  top: 37%;
  border: 1px solid var(--aqua);
}
.art-box b {
  width: 2px;
  height: 70%;
  background: rgba(255, 255, 255, 0.3);
  left: 50%;
  top: 15%;
  transform: rotate(55deg);
}
.art-booth span {
  inset: 22% 18%;
  border: 2px solid var(--aqua);
}
.art-booth i {
  left: 28%;
  right: 28%;
  top: 34%;
  height: 45%;
  border: 1px solid var(--accent);
}
.art-booth b {
  left: 18%;
  right: 18%;
  top: 50%;
  height: 1px;
  background: rgba(255, 255, 255, 0.4);
}
.art-duct span {
  width: 65%;
  height: 34%;
  border: 10px solid var(--accent);
  border-left: 0;
  left: 6%;
  top: 20%;
  border-radius: 0 50px 50px 0;
}
.art-duct i {
  width: 10px;
  height: 75%;
  background: var(--aqua);
  right: 23%;
  top: 12%;
}
.art-duct b {
  width: 42%;
  height: 1px;
  background: #fff;
  right: 8%;
  bottom: 24%;
  transform: rotate(-25deg);
}
.art-machine span {
  width: 55%;
  height: 42%;
  border: 2px solid var(--aqua);
  left: 24%;
  top: 30%;
}
.art-machine i {
  width: 14%;
  height: 72%;
  background: var(--accent);
  left: 43%;
  top: 15%;
}
.art-machine b {
  width: 80%;
  height: 1px;
  background: rgba(255, 255, 255, 0.45);
  left: 10%;
  top: 51%;
}
.work-meta {
  padding: 36px;
  align-self: center;
}
.work-meta > span {
  font-size: 10px;
  color: #879496;
}
.work-meta h3 {
  font-size: 21px;
  margin: 8px 0;
  color: var(--ink);
}
.work-meta p {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
}
.company {
  padding: 130px 0;
  background: var(--ink-2);
  color: #fff;
}
.company-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 120px;
}
.company .section-label {
  margin-bottom: 60px;
}
.company-lead {
  color: #aebbbd;
  font-size: 14px;
  max-width: 520px;
  margin-top: 35px;
}
.company dl {
  margin: 25px 0 0;
}
.company dl > div {
  display: grid;
  grid-template-columns: 130px 1fr;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}
.company dt {
  font-size: 11px;
  color: #8ea0a4;
}
.company dd {
  margin: 0;
  font-size: 14px;
}
.contact {
  padding: 110px 0;
  background: var(--accent);
  color: var(--ink);
}
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 110px;
  align-items: center;
}
.contact h2 {
  font-size: clamp(34px, 4vw, 54px);
}
.contact-inner > div > p:last-child {
  font-size: 14px;
  margin-top: 25px;
}
.contact-actions {
  display: grid;
  gap: 10px;
}
.contact-card {
  position: relative;
  min-height: 118px;
  padding: 25px 65px 25px 28px;
  background: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: 0.25s;
}
.contact-card:hover {
  transform: translateX(6px);
  background: var(--ink);
  color: #fff;
}
.contact-card > span {
  font-size: 10px;
  color: #8b9697;
}
.contact-card strong {
  font-size: 18px;
}
.contact-card small {
  font-size: 10px;
  color: #8b9697;
}
.contact-card i {
  font-style: normal;
  position: absolute;
  right: 28px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
}
footer {
  padding: 65px 0 30px;
  background: #071116;
  color: #fff;
}
.footer-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 55px;
}
.footer-brand .brand-symbol {
  color: #fff;
}
.footer-brand .brand-text small {
  color: #617479;
}
.footer-nav {
  display: flex;
  gap: 25px;
  font-size: 11px;
  color: #9aabad;
}
.footer-nav a:hover {
  color: #fff;
}
.back-top {
  width: 48px;
  height: 48px;
  border: 1px solid #526168;
  display: grid;
  place-items: center;
}
.footer-bottom {
  padding-top: 25px;
  border-top: 1px solid #24343b;
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: #697b80;
}
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.8s var(--ease),
    transform 0.8s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
@media (max-width: 1050px) {
  .desktop-nav {
    display: none;
  }
  .menu-toggle {
    display: block;
  }
  .phone {
    display: none;
  }
  .mobile-menu {
    display: flex;
    visibility: hidden;
    opacity: 0;
    position: fixed;
    inset: 82px 0 0;
    background: var(--ink);
    color: #fff;
    z-index: 49;
    padding: 45px 8vw;
    flex-direction: column;
    transform: translateY(-15px);
    transition: 0.3s;
  }
  .mobile-menu.open {
    visibility: visible;
    opacity: 1;
    transform: none;
  }
  .mobile-menu a {
    display: flex;
    gap: 25px;
    align-items: center;
    padding: 17px 0;
    border-bottom: 1px solid #314047;
    font-size: 18px;
  }
  .mobile-menu span {
    font-family: "Barlow Condensed";
    color: var(--accent);
    font-size: 11px;
  }
  .section-top {
    grid-template-columns: 100px 1fr;
  }
  .section-intro,
  .section-top > .text-link {
    grid-column: 2;
  }
  .engineering-layout {
    gap: 40px;
  }
  .drone-content {
    gap: 55px;
  }
  .data-visual {
    flex-direction: column;
    gap: 20px;
  }
  .contact-inner {
    gap: 55px;
  }
  .footer-nav {
    display: none;
  }
}
@media (max-width: 760px) {
  .wrap {
    width: min(100% - 40px, var(--max));
  }
  .site-header {
    height: 70px;
    padding: 0 18px;
  }
  .brand-symbol {
    font-size: 28px;
  }
  .brand-text {
    font-size: 10px;
  }
  .mobile-menu {
    inset: 70px 0 0;
  }
  .hero {
    height: 780px;
    min-height: 100svh;
  }
  .hero-overlay {
    background: linear-gradient(90deg, rgba(4, 15, 20, 0.94), rgba(4, 15, 20, 0.4)), linear-gradient(0deg, rgba(4, 15, 20, 0.85), transparent 60%);
  }
  .hero-copy {
    left: 22px;
    right: 22px;
    top: 48%;
  }
  .hero h1 {
    font-size: 49px;
  }
  .hero-summary br {
    display: none;
  }
  .hero-buttons {
    flex-direction: column;
    max-width: 320px;
  }
  .hero-index {
    display: none;
  }
  .hero-note {
    left: 22px;
  }
  .statement {
    padding-top: 85px;
  }
  .statement-grid {
    grid-template-columns: 1fr;
  }
  .section-label {
    display: none;
  }
  .statement-body {
    grid-template-columns: 1fr;
    gap: 20px;
    margin: 38px 0 70px;
  }
  .value-band {
    grid-template-columns: 1fr;
  }
  .value-band > div {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    padding: 32px 24px;
  }
  .continuum {
    padding: 80px 0;
  }
  .continuum-head {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .process {
    grid-template-columns: 1fr;
    border-top: 0;
    margin-top: 45px;
  }
  .process li {
    padding: 15px 0 15px 28px;
    border-left: 1px solid rgba(255, 255, 255, 0.2);
  }
  .process li:before {
    top: 24px;
    left: -5px;
  }
  .process li:not(:last-child):after {
    display: none;
  }
  .process span,
  .process strong,
  .process small {
    display: inline-block;
    margin: 0 13px 0 0;
  }
  .section {
    padding: 88px 0;
  }
  .section-top {
    grid-template-columns: 1fr;
    gap: 25px;
    margin-bottom: 45px;
  }
  .section-intro,
  .section-top > .text-link {
    grid-column: auto;
  }
  .engineering-layout {
    grid-template-columns: 1fr;
  }
  .engineering-photo {
    position: relative;
    top: 0;
  }
  .engineering-photo img {
    height: 440px;
  }
  .drone {
    min-height: auto;
  }
  .drone-image img {
    object-position: 62% center;
  }
  .drone-content {
    grid-template-columns: 1fr;
    padding-top: 90px;
    padding-bottom: 85px;
  }
  .drone-copy .section-label {
    display: none;
  }
  .drone-services {
    margin-top: 10px;
  }
  .data-board {
    grid-template-columns: 1fr;
  }
  .data-visual {
    padding: 55px 20px;
  }
  .data-steps {
    padding: 30px 24px;
  }
  .data-steps li {
    grid-template-columns: 70px 1fr;
  }
  .works-grid {
    grid-template-columns: 1fr;
  }
  .work-large,
  .work-wide {
    grid-column: auto;
    grid-row: auto;
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .work-card {
    grid-template-columns: 1fr;
  }
  .work-large .work-art {
    min-height: 320px;
  }
  .company {
    padding: 90px 0;
  }
  .company-grid {
    grid-template-columns: 1fr;
    gap: 45px;
  }
  .company .section-label {
    display: none;
  }
  .company dl > div {
    grid-template-columns: 105px 1fr;
  }
  .contact {
    padding: 75px 0;
  }
  .contact-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer-main {
    justify-content: space-between;
  }
  .footer-bottom {
    flex-direction: column;
  }
  .reveal {
    transform: translateY(18px);
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .hero-note i:after {
    animation: none;
  }
}

/* Concrete project photography and president message */
.work-photo {
  min-height: 250px;
  position: relative;
  overflow: hidden;
  background: var(--ink-2);
}
.work-photo:after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(5, 16, 21, 0.22));
  pointer-events: none;
}
.work-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.65s var(--ease);
}
.work-card:hover .work-photo img {
  transform: scale(1.035);
}
.work-large .work-photo img {
  min-height: 350px;
}
.works-note {
  margin: 18px 0 0;
  text-align: right;
  color: #7b878b;
  font-size: 11px;
}
.works-title {
  font-size: 19.5px;
  font-weight: 700;
  color: #536269;
  letter-spacing: 0.16em;
  text-shadow: 0 0 1px rgba(11, 23, 29, 0.16);
}
.balance-card .work-photo img {
  object-position: center 45%;
}
.president {
  padding: 130px 0;
  background: #e9ebe7;
}
.president-inner {
  display: grid;
  grid-template-columns: minmax(300px, 0.78fr) 1.22fr;
  align-items: center;
  gap: clamp(60px, 9vw, 135px);
}
.president-photo {
  position: relative;
  margin: 0;
  max-width: 470px;
  background: var(--ink);
}
.president-photo:before {
  content: "";
  position: absolute;
  z-index: 2;
  left: -18px;
  bottom: -18px;
  width: 42%;
  height: 48%;
  border-left: 3px solid var(--accent);
  border-bottom: 3px solid var(--accent);
  pointer-events: none;
}
.president-photo img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  object-position: center 16%;
  filter: saturate(1.03) contrast(1.01);
}
.president-copy {
  max-width: 650px;
}
.president-copy h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.42;
  letter-spacing: 0.03em;
}
.president-copy > p:not(.overline) {
  margin: 34px 0 28px;
  color: var(--muted);
  font-size: 15px;
  line-height: 2.1;
}
.president-copy > span {
  display: block;
  padding-top: 18px;
  border-top: 1px solid #c9cfcc;
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
}
.president-copy > span strong {
  font-size: 18px;
  margin-left: 14px;
  letter-spacing: 0.08em;
}
.equipment-tag {
  display: flex;
  align-items: center;
  width: max-content;
  max-width: 100%;
  margin: 0 0 28px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(5, 16, 21, 0.42);
  backdrop-filter: blur(8px);
}
.equipment-tag span,
.equipment-tag b,
.equipment-tag small {
  padding: 8px 12px;
  font-family: "Barlow Condensed", sans-serif;
  line-height: 1.2;
  letter-spacing: 0.12em;
}
.equipment-tag span {
  background: var(--accent);
  color: var(--ink);
  font-size: 10px;
  font-weight: 700;
}
.equipment-tag b {
  color: #fff;
  font-size: 13px;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}
.equipment-tag small {
  color: #aebcc0;
  font-size: 9px;
}
.officers {
  display: grid;
  gap: 11px;
}
.officers span {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 14px;
}
.officers b {
  color: #8ea0a4;
  font-size: 11px;
  font-weight: 500;
}
@media (max-width: 760px) {
  .work-photo {
    min-height: 270px;
  }
  .work-large .work-photo img {
    min-height: 320px;
  }
  .works-note {
    text-align: left;
  }
  .president {
    padding: 88px 0;
  }
  .president-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .president-photo {
    max-width: 380px;
    margin-inline: auto;
  }
  .president-photo:before {
    left: -10px;
    bottom: -10px;
  }
  .president-copy h2 {
    font-size: clamp(32px, 9vw, 46px);
  }
  .president-copy > p:not(.overline) {
    font-size: 14px;
    line-height: 2;
  }
  .president-copy > span strong {
    display: block;
    margin: 6px 0 0;
  }
  .equipment-tag {
    align-items: stretch;
    flex-wrap: wrap;
  }
  .equipment-tag small {
    width: 100%;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
  }
  .officers span {
    grid-template-columns: 1fr;
    gap: 2px;
    margin-bottom: 6px;
  }
}

/* Company information expansion */
.president-inner {
  grid-template-columns: 235px minmax(0, 1fr);
  gap: clamp(44px, 7vw, 100px);
}
.president-photo {
  width: 235px;
  max-width: 235px;
}
.president-copy h2 {
  line-height: 1.25;
}
.greeting {
  margin: 28px 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 2;
}
.greeting p {
  margin: 0 0 14px;
}
.greeting strong {
  color: var(--ink);
  font-size: 18px;
}
.philosophy {
  background: #f5f6f3;
}
.philosophy h2,
.permits h2,
.qualifications h2 {
  margin: 0 0 42px;
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.2;
  color: var(--ink);
}
.philosophy-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: philosophy;
  border-top: 1px solid #c9cfcb;
}
.philosophy-list li {
  counter-increment: philosophy;
  display: grid;
  grid-template-columns: 60px 1fr;
  align-items: center;
  padding: 22px 10px;
  border-bottom: 1px solid #c9cfcb;
  font-size: 16px;
  line-height: 1.8;
}
.philosophy-list li:before {
  content: "0" counter(philosophy);
  font-family: "Barlow Condensed", sans-serif;
  color: var(--accent);
  font-weight: 700;
  font-size: 18px;
}
.action-policy {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  margin-top: 46px;
  padding: 28px 32px;
  background: var(--ink);
  color: #fff;
}
.action-policy h3 {
  margin: 0 auto 0 0;
  color: var(--accent);
}
.action-policy p {
  margin: 0;
  font-size: 14px;
}
.company-grid {
  align-items: start;
}
.company dl > div {
  padding: 20px 0;
}
.officers span {
  margin-bottom: 10px;
}
.permits {
  background: #eef0ed;
}
.info-columns {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(50px, 8vw, 120px);
}
.permit-card,
.safety-copy {
  padding: 34px;
  border-left: 3px solid var(--accent);
  background: #fff;
  box-shadow: 0 18px 50px rgba(11, 23, 29, 0.06);
}
.permit-card p,
.safety-copy p {
  margin: 0 0 20px;
  line-height: 2;
  color: var(--muted);
}
.permit-card h3 {
  margin: 28px 0 12px;
  font-size: 15px;
  color: var(--ink);
}
.permit-card ul {
  margin: 0;
  padding-left: 1.25em;
  line-height: 2;
}
.qualifications {
  background: #fff;
}
.qualification-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.qualification-grid article {
  padding: 30px;
  background: #f3f5f2;
  border-top: 3px solid var(--ink);
}
.qualification-grid h3 {
  margin: 0 0 20px;
  font-size: 20px;
  color: var(--ink);
}
.qualification-grid dl {
  margin: 0;
}
.qualification-grid dl > div {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid #d5dad5;
  font-size: 14px;
  line-height: 1.5;
}
.qualification-grid dt,
.qualification-grid dd {
  margin: 0;
}
.qualification-grid dd {
  font-family: "Barlow Condensed", "Noto Sans JP", sans-serif;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}
.qualification-grid .highlight {
  margin: 2px -12px;
  padding: 12px;
  background: #deff3c;
  border: 0;
}
.qualification-grid .highlight dt,
.qualification-grid .highlight dd {
  font-weight: 800;
  color: #0b171d;
}
@media (max-width: 900px) {
  .info-columns {
    grid-template-columns: 1fr;
  }
  .qualification-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 760px) {
  .president-inner {
    grid-template-columns: 1fr;
    gap: 38px;
  }
  .president-photo {
    width: 190px;
    max-width: 190px;
  }
  .greeting {
    font-size: 14px;
    line-height: 1.9;
  }
  .philosophy-list li {
    grid-template-columns: 44px 1fr;
    padding: 18px 4px;
    font-size: 14px;
  }
  .action-policy {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    padding: 24px;
  }
  .action-policy h3 {
    margin: 0 0 8px;
  }
  .permit-card,
  .safety-copy,
  .qualification-grid article {
    padding: 24px;
  }
  .qualification-grid dl > div {
    font-size: 13px;
  }
  .company dl > div {
    padding: 16px 0;
  }
}

/* Compact headings and new visitor sections */
.section-top h2 {
  font-size: clamp(34px, 4.2vw, 54px);
}
.president-copy h2,
.philosophy h2,
.company h2,
.permits h2,
.qualifications h2,
.compact-heading h2,
.access h2,
.contact h2 {
  font-size: clamp(30px, 3.8vw, 44px);
  letter-spacing: 0.03em;
}
.works-lead {
  max-width: 780px;
  margin: -14px 0 44px;
  color: var(--muted);
  font-size: 16px;
  line-height: 2;
}
.recruit {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: #fff;
}
.recruit:after {
  content: "MRK";
  position: absolute;
  right: -1vw;
  bottom: -8vw;
  font-family: "Barlow Condensed", sans-serif;
  font-size: clamp(180px, 30vw, 420px);
  font-weight: 700;
  line-height: 1;
  color: rgba(255, 255, 255, 0.025);
  pointer-events: none;
}
.compact-heading {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  column-gap: 50px;
  align-items: start;
}
.compact-heading .overline {
  grid-column: 1;
}
.compact-heading h2 {
  grid-column: 1;
  margin: 0;
  color: #fff;
}
.compact-heading > p:last-child {
  grid-column: 2;
  grid-row: 1/3;
  margin: 0;
  color: #bdc8ca;
  font-size: 16px;
  line-height: 2;
}
.recruit-points {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 55px;
  background: #425157;
  border: 1px solid #425157;
}
.recruit-points article {
  padding: 30px 24px;
  background: #12232a;
}
.recruit-points span {
  display: block;
  margin-bottom: 28px;
  color: var(--accent);
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 700;
}
.recruit-points h3 {
  min-height: 3em;
  margin: 0 0 14px;
  font-size: 18px;
  line-height: 1.5;
}
.recruit-points p {
  margin: 0;
  color: #aebabc;
  font-size: 14px;
  line-height: 1.9;
}
.employment-summary {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 28px;
  border-top: 1px solid #425157;
  border-bottom: 1px solid #425157;
}
.employment-summary div {
  display: grid;
  gap: 8px;
  padding: 20px 24px;
  border-right: 1px solid #425157;
}
.employment-summary div:last-child {
  border: 0;
}
.employment-summary b {
  color: var(--accent);
  font-size: 13px;
}
.employment-summary span {
  color: #dbe2e3;
  font-size: 14px;
  line-height: 1.7;
}
.recruit-link {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 30px;
  margin-top: 32px;
  padding: 16px 22px;
  background: var(--accent);
  color: var(--ink);
  font-weight: 700;
}
.recruit-link span {
  font-size: 20px;
}
.access {
  background: #eef0ed;
}
.access-grid {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: clamp(50px, 9vw, 130px);
  align-items: center;
}
.access h2 {
  margin: 0 0 32px;
  color: var(--ink);
}
.access-address {
  color: var(--muted);
  font-size: 16px;
  line-height: 2;
}
.access-address strong {
  color: var(--ink);
}
.access-times {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 24px;
}
.access-times span {
  padding: 12px 16px;
  background: #fff;
  border-left: 2px solid var(--accent);
  font-size: 14px;
}
.map-card {
  min-height: 230px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 10px;
  padding: 34px;
  background: var(--ink);
  color: #fff;
  box-shadow: 18px 18px 0 var(--accent);
}
.map-card span {
  color: var(--accent);
  font:
    600 14px "Barlow Condensed",
    sans-serif;
  letter-spacing: 0.12em;
}
.map-card strong {
  font-size: 22px;
}
.map-card i {
  align-self: flex-end;
  font-style: normal;
  font-size: 28px;
}
.contact-note {
  margin-top: 20px !important;
  padding-left: 15px;
  border-left: 2px solid var(--accent);
  font-size: 13px !important;
  line-height: 1.8 !important;
}
@media (max-width: 1050px) {
  .recruit-points {
    grid-template-columns: repeat(2, 1fr);
  }
  .employment-summary {
    grid-template-columns: 1fr;
  }
  .employment-summary div {
    border-right: 0;
    border-bottom: 1px solid #425157;
  }
}
@media (max-width: 760px) {
  .compact-heading {
    display: block;
  }
  .compact-heading > p:last-child {
    margin-top: 22px;
  }
  .recruit-points {
    grid-template-columns: 1fr;
    margin-top: 38px;
  }
  .recruit-points h3 {
    min-height: 0;
  }
  .access-grid {
    grid-template-columns: 1fr;
  }
  .map-card {
    min-height: 190px;
    margin-right: 14px;
  }
  .works-lead {
    font-size: 14px;
    margin-top: 0;
  }
  .section-top h2 {
    font-size: clamp(30px, 8vw, 42px);
  }
}

/* Carbon black / advanced technology direction */
:root {
  --ink: #07090a;
  --ink-2: #0d1113;
  --paper: #111517;
  --white: #f6f9f8;
  --text: #d8e0e1;
  --muted: #8f9da0;
  --line: #293136;
  --accent: #b9ff2c;
  --aqua: #26d9f2;
}
body {
  background: #0b0e10;
  color: var(--text);
}
.site-header {
  background: rgba(7, 9, 10, 0.92);
  border-bottom-color: #252c30;
  color: #eef4f3;
}
.brand-symbol {
  color: #fff;
  border-color: #3c4549;
}
.brand-text small {
  color: #7e8b8f;
}
.desktop-nav {
  color: #c8d0d1;
}
.hero-overlay {
  background: linear-gradient(90deg, rgba(2, 4, 5, 0.96) 0%, rgba(3, 6, 7, 0.76) 48%, rgba(3, 6, 7, 0.18) 78%), linear-gradient(0deg, rgba(2, 4, 5, 0.78), transparent 45%);
}
.statement,
.engineering,
.works,
.president,
.philosophy,
.qualifications,
.access,
.permits {
  background-color: #0b0e10;
  background-image: linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  color: var(--text);
}
.statement h2,
.section-top h2,
.president-copy h2,
.philosophy h2,
.qualifications h2,
.access h2,
.permits h2 {
  color: #f3f7f6;
}
.section-intro,
.works-lead,
.greeting,
.access-address,
.safety-copy p,
.permit-card p {
  color: #a2afb2;
}
.value-band,
.continuum,
.company,
.recruit,
.drone,
.data-visual {
  background: #050708;
}
.company {
  background-image: radial-gradient(circle at 18% 16%, rgba(38, 217, 242, 0.08), transparent 32%), linear-gradient(135deg, #07090a, #0d1214);
}
.engineering-photo img,
.work-photo img,
.project-card img {
  filter: saturate(0.82) contrast(1.08);
}
.engineering-services article {
  border-color: #293136;
}
.engineering-services h3,
.work-meta h3,
.qualification-grid h3 {
  color: #f1f5f4;
}
.engineering-services p,
.work-meta p {
  color: #8e9b9e;
}
.data {
  background: #090c0e;
}
.data-board {
  background: #111619;
  border: 1px solid #283136;
}
.data-steps li {
  border-color: #293136;
}
.data-steps h3 {
  color: #edf3f2;
}
.data-steps p {
  color: #87969a;
}
.works-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.work-card {
  background: #111619;
  border: 1px solid #252d31;
}
.dark-link {
  color: #e9eeee;
  border-color: #566064;
}
.works-note {
  color: #778588;
}
.project-card {
  position: relative;
  overflow: hidden;
  background: #101416;
  border: 1px solid #283136;
  min-height: 410px;
}
.project-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 3/2;
  object-fit: contain;
  background: #080a0b;
}
.project-card > div {
  padding: 24px 26px 28px;
}
.project-card span {
  font:
    600 11px "Barlow Condensed",
    sans-serif;
  letter-spacing: 0.16em;
  color: var(--aqua);
}
.project-card h3 {
  margin: 7px 0 8px;
  color: #f2f6f5;
  font-size: 19px;
}
.project-card p {
  margin: 0;
  color: #8f9b9e;
  font-size: 13px;
  line-height: 1.8;
}
.project-card:after {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 42%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--aqua));
}
.president {
  background-color: #0d1113;
}
.president-copy span {
  color: #cdd5d6;
}
.greeting strong {
  color: var(--accent);
}
.philosophy-list {
  border-color: #31393d;
}
.philosophy-list li {
  border-color: #31393d;
}
.action-policy {
  background: #050708;
  border: 1px solid #2a3337;
}
.permit-card,
.safety-copy,
.qualification-grid article {
  background: #111619;
  border-color: var(--aqua);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.25);
}
.permit-card h3 {
  color: #eef3f2;
}
.qualification-grid dl > div {
  border-color: #2c3438;
}
.qualification-grid dd {
  color: var(--accent);
}
.recruit {
  background-image: radial-gradient(circle at 82% 0, rgba(38, 217, 242, 0.12), transparent 35%), linear-gradient(145deg, #050708, #0c1215);
}
.recruit-points {
  background: #2a3438;
  border-color: #2a3438;
}
.recruit-points article {
  background: #0d1214;
}
.employment-summary {
  border-color: #354146;
}
.employment-summary div {
  border-color: #354146;
}
.employee-voice {
  display: grid;
  grid-template-columns: 0.48fr 1.52fr;
  gap: 40px;
  margin-top: 46px;
  padding: 36px;
  border: 1px solid #354146;
  background: linear-gradient(135deg, rgba(38, 217, 242, 0.07), rgba(185, 255, 44, 0.025));
}
.employee-voice .overline {
  margin: 0;
}
.employee-voice h3 {
  margin: 7px 0 16px;
  color: #fff;
  font-size: 23px;
}
.employee-voice p {
  margin: 0;
  color: #aab6b8;
  font-size: 14px;
  line-height: 2;
}
.employee-voice small {
  display: block;
  margin-top: 15px;
  color: #637377;
}
.voice-role {
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}
.recruit-details {
  margin-top: 28px;
  padding: 34px;
  background: #0d1214;
  border: 1px solid #2b3539;
}
.recruit-details h3 {
  margin: 0 0 22px;
  color: #fff;
  font-size: 22px;
}
.recruit-details dl {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 34px;
  margin: 0;
}
.recruit-details dl > div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid #293337;
}
.recruit-details dt {
  color: var(--aqua);
  font-size: 12px;
}
.recruit-details dd {
  margin: 0;
  color: #c4cecf;
  font-size: 13px;
  line-height: 1.8;
}
.access {
  background-color: #0b0e10;
}
.access-address strong {
  color: #f4f7f6;
}
.access-times span {
  background: #121719;
  color: #cdd5d6;
}
.map-card {
  background: #050708;
  border: 1px solid #293338;
  box-shadow: 14px 14px 0 rgba(38, 217, 242, 0.35);
}
.contact {
  background: linear-gradient(110deg, var(--accent), #62e7d1);
  color: #07090a;
}
footer {
  background: #030405;
}
@media (max-width: 760px) {
  .works-grid {
    grid-template-columns: 1fr;
  }
  .project-card {
    min-height: 0;
  }
  .project-card img {
    height: auto;
    aspect-ratio: 3/2;
    object-fit: contain;
  }
  .employee-voice {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 24px;
  }
  .recruit-details {
    padding: 24px;
  }
  .recruit-details dl {
    grid-template-columns: 1fr;
  }
  .recruit-details dl > div {
    grid-template-columns: 95px 1fr;
  }
}

/* Blue / silver accent revision: no green */
:root {
  --accent: #48a9ff;
  --aqua: #9edfff;
}
.statement h2 strong,
.drone h2 strong {
  background: linear-gradient(transparent 72%, rgba(72, 169, 255, 0.28) 0);
}
.recruit {
  background-image: radial-gradient(circle at 82% 0, rgba(72, 169, 255, 0.16), transparent 35%), linear-gradient(145deg, #050708, #0c1215);
}
.employee-voice {
  background: linear-gradient(135deg, rgba(72, 169, 255, 0.09), rgba(158, 223, 255, 0.025));
}
.contact {
  background: linear-gradient(110deg, #48a9ff, #a7dfff);
  color: #07090a;
}
.recruit-link {
  background: #48a9ff;
  color: #050708;
}
.map-card {
  box-shadow: 14px 14px 0 rgba(72, 169, 255, 0.36);
}
.work-photo img,
.project-card img {
  filter: grayscale(1) contrast(1.1);
}
.recruit-catch {
  grid-column: 1;
  display: block;
  margin-top: 12px;
  color: #c7d4d8;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.08em;
}
.compact-heading > p:last-child {
  grid-column: 2;
  grid-row: 1/4;
}
@media (max-width: 760px) {
  .recruit-catch {
    margin: 8px 0 20px;
  }
  .compact-heading > p:last-child {
    margin-top: 0;
  }
}

/* Keep the mobile navigation as an opaque, viewport-height panel. */
@media (max-width: 1050px) {
  body.menu-open .site-header {
    backdrop-filter: none;
    background: #07090a;
  }
  .mobile-menu {
    min-height: calc(100dvh - 82px);
    overflow-y: auto;
    background: #07090a;
  }
}
@media (max-width: 760px) {
  .mobile-menu {
    min-height: calc(100dvh - 70px);
    padding-top: 28px;
    padding-bottom: 28px;
  }
  .mobile-menu a {
    padding: 13px 0;
    font-size: 16px;
  }
}

/* Fine carbon-fiber mesh: pronounced texture, restrained contrast */
:root {
  --carbon-base: #080a0b;
  --carbon-thread: rgba(236, 245, 248, 0.055);
  --carbon-depth: rgba(0, 0, 0, 0.38);
}
body {
  background-color: var(--carbon-base);
  background-image: repeating-linear-gradient(45deg, var(--carbon-thread) 0 1px, transparent 1px 7px), repeating-linear-gradient(-45deg, var(--carbon-depth) 0 1px, transparent 1px 7px);
  background-size: 12px 12px;
}
.statement,
.continuum,
.engineering,
.works,
.president,
.philosophy,
.company,
.permits,
.qualifications,
.recruit,
.access {
  background-color: var(--carbon-base);
  background-image:
    radial-gradient(circle at 84% 4%, rgba(72, 169, 255, 0.075), transparent 32%), repeating-linear-gradient(45deg, var(--carbon-thread) 0 1px, transparent 1px 7px), repeating-linear-gradient(-45deg, var(--carbon-depth) 0 1px, transparent 1px 7px), linear-gradient(135deg, #0b0e10, #060809);
  background-size:
    100% 100%,
    12px 12px,
    12px 12px,
    100% 100%;
}
.work-card,
.project-card,
.employee-voice,
.permit-card,
.qualification-grid article,
.recruit-details {
  background-color: rgba(13, 17, 19, 0.94);
  backdrop-filter: blur(2px);
}

/* Recruitment detail page */
.recruitment-page {
  min-height: 100vh;
  padding: 150px 0 100px;
  background-image: radial-gradient(circle at 82% 8%, rgba(72, 169, 255, 0.12), transparent 30%);
}
.recruitment-page .wrap {
  max-width: 1060px;
}
.subpage-lead {
  display: grid;
  grid-template-columns: 0.55fr 1.45fr;
  gap: 70px;
  align-items: end;
  padding-bottom: 50px;
  border-bottom: 1px solid #334047;
}
.subpage-lead .overline {
  margin: 0;
  color: var(--aqua);
}
.subpage-lead h1 {
  margin: 7px 0 0;
  color: #f5f8f8;
  font-size: clamp(36px, 5vw, 66px);
  line-height: 1.15;
}
.subpage-lead p {
  margin: 0;
  color: #a8b4b7;
  font-size: 16px;
  line-height: 2;
}
.recruitment-section {
  padding: 68px 0 0;
}
.recruitment-section h2 {
  margin: 0 0 28px;
  color: #f5f8f8;
  font-size: 26px;
}
.voice-panel {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 42px;
  padding: 36px;
  background: rgba(13, 17, 19, 0.94);
  border: 1px solid #334047;
}
.voice-panel h3 {
  margin: 0 0 22px;
  color: #fff;
  font-size: 20px;
}
.voice-panel h4 {
  margin: 25px 0 8px;
  color: var(--aqua);
  font-size: 16px;
}
.voice-panel p {
  margin: 0;
  color: #b2bdc0;
  font-size: 16px;
  line-height: 2;
}
.voice-label {
  color: #718187;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 13px;
  letter-spacing: 0.14em;
}
.requirements-table {
  width: 100%;
  border-collapse: collapse;
  background: rgba(13, 17, 19, 0.94);
  border: 1px solid #334047;
}
.requirements-table th,
.requirements-table td {
  padding: 20px 24px;
  border-bottom: 1px solid #2c373c;
  text-align: left;
  font-size: 16px;
  line-height: 1.8;
}
.requirements-table th {
  width: 220px;
  color: var(--aqua);
  font-weight: 600;
}
.requirements-table td {
  color: #c4cdcf;
}
.application-contact {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  margin-top: 38px;
  padding: 30px 34px;
  border-left: 3px solid var(--accent);
  background: #0d1214;
}
.application-contact p {
  margin: 0;
  color: #aeb9bb;
}
.application-contact strong {
  display: block;
  margin-top: 5px;
  color: #fff;
  font-size: 25px;
}
.subpage-back {
  display: inline-flex;
  margin-top: 46px;
  color: #dbe4e5;
  border-bottom: 1px solid #68767b;
  padding-bottom: 5px;
}
@media (max-width: 760px) {
  .recruitment-page {
    padding: 110px 0 70px;
  }
  .subpage-lead {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .voice-panel {
    grid-template-columns: 1fr;
    padding: 24px;
  }
  .requirements-table th,
  .requirements-table td {
    display: block;
    width: auto;
    padding: 14px 18px;
  }
  .requirements-table th {
    padding-bottom: 4px;
    border-bottom: 0;
  }
  .requirements-table td {
    padding-top: 4px;
  }
  .application-contact {
    display: block;
  }
  .application-contact .recruit-link {
    margin-top: 20px;
  }
}

/* Contact detail page */
.contact-page {
  min-height: 100vh;
  padding: 150px 0 100px;
  background-image: radial-gradient(circle at 82% 8%, rgba(72, 169, 255, 0.12), transparent 30%);
}
.contact-page .wrap {
  max-width: 1060px;
}
.contact-guidance {
  margin-top: 55px;
  padding: 34px 38px;
  background: rgba(13, 17, 19, 0.94);
  border: 1px solid #334047;
  border-left: 3px solid var(--accent);
}
.contact-guidance h2,
.contact-form-section h2 {
  margin: 0 0 25px;
  color: #f5f8f8;
  font-size: 26px;
}
.contact-guidance ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.contact-guidance li {
  position: relative;
  padding: 8px 0 8px 20px;
  color: #b7c1c3;
  font-size: 16px;
  line-height: 1.8;
}
.contact-guidance li:before {
  content: "■";
  position: absolute;
  left: 0;
  color: var(--aqua);
  font-size: 9px;
  top: 13px;
}
.contact-guidance a {
  color: var(--aqua);
  border-bottom: 1px solid currentColor;
}
.contact-form-section {
  padding-top: 68px;
}
.contact-form {
  background: rgba(13, 17, 19, 0.94);
  border: 1px solid #334047;
}
.form-row {
  display: grid;
  grid-template-columns: 240px 1fr;
  border-bottom: 1px solid #2c373c;
}
.form-row label {
  padding: 24px;
  color: #d7dfe0;
  font-weight: 600;
}
.form-row label span {
  margin-left: 8px;
  color: var(--aqua);
  font-size: 12px;
}
.form-control {
  padding: 17px 24px;
}
.form-control input,
.form-control textarea {
  box-sizing: border-box;
  width: 100%;
  padding: 14px 15px;
  border: 1px solid #3b484e;
  border-radius: 0;
  background: #090c0e;
  color: #f4f7f7;
  font: inherit;
}
.form-control input:focus,
.form-control textarea:focus {
  outline: 2px solid rgba(72, 169, 255, 0.45);
  border-color: var(--accent);
}
.form-control textarea {
  min-height: 180px;
  resize: vertical;
}
.form-control small {
  display: block;
  margin-top: 7px;
  color: #77868b;
}
.address-fields {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 12px;
}
.mail-fields {
  display: grid;
  gap: 10px;
}
.form-submit {
  display: flex;
  justify-content: center;
  padding: 32px;
}
.form-submit button {
  min-width: 230px;
  padding: 16px 30px;
  border: 0;
  background: linear-gradient(110deg, #48a9ff, #a7dfff);
  color: #07090a;
  font:
    700 16px "Noto Sans JP",
    sans-serif;
  cursor: pointer;
}
.form-submit button:hover {
  filter: brightness(1.08);
}
@media (max-width: 760px) {
  .contact-page {
    padding: 110px 0 70px;
  }
  .contact-guidance {
    padding: 25px 22px;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .form-row label {
    padding: 18px 18px 4px;
  }
  .form-control {
    padding: 12px 18px 20px;
  }
  .address-fields {
    grid-template-columns: 1fr;
  }
}

/* Privacy policy page */
.privacy-page {
  min-height: 100vh;
  padding: 150px 0 100px;
  background-image: radial-gradient(circle at 82% 8%, rgba(72, 169, 255, 0.12), transparent 30%);
}
.privacy-page .wrap {
  max-width: 1060px;
}
.policy-intro {
  margin: 55px 0 0;
  padding: 34px 38px;
  background: rgba(13, 17, 19, 0.94);
  border: 1px solid #334047;
  border-left: 3px solid var(--accent);
  color: #bdc7c9;
  font-size: 16px;
  line-height: 2;
}
.policy-list {
  display: grid;
  gap: 18px;
  margin-top: 36px;
}
.policy-block {
  padding: 32px 36px;
  background: rgba(13, 17, 19, 0.94);
  border: 1px solid #334047;
}
.policy-block h2 {
  margin: 0 0 20px;
  color: #f5f8f8;
  font-size: 23px;
}
.policy-block h3 {
  margin: 24px 0 8px;
  color: var(--aqua);
  font-size: 17px;
}
.policy-block p {
  margin: 0;
  color: #b7c1c3;
  font-size: 16px;
  line-height: 2;
}
.policy-block ul {
  margin: 10px 0 18px;
  padding-left: 1.4em;
  color: #b7c1c3;
  font-size: 16px;
  line-height: 2;
}
.policy-block a {
  color: var(--aqua);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.policy-contact {
  margin-top: 18px;
  padding: 22px 24px;
  background: #090c0e;
  border-left: 3px solid var(--accent);
}
@media (max-width: 760px) {
  .privacy-page {
    padding: 110px 0 70px;
  }
  .policy-intro,
  .policy-block {
    padding: 24px 22px;
  }
}

/* Keep long sections visible and fit complete work photos on phones. */
@media (max-width: 760px) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .works-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .work-card,
  .project-card {
    min-width: 0;
  }
  .work-photo {
    min-height: 0;
  }
  .work-photo img,
  .work-large .work-photo img,
  .project-card img {
    width: 100%;
    height: auto;
    min-height: 0;
    object-fit: contain;
  }
}

/* MRK: owner-side engineering proposal */
:root {
  --paper: #f4f6f7;
  --muted: #52646c;
}
body {
  font-size: 16px;
}
.hero .kicker {
  font-family: inherit;
  font-size: clamp(16px, 1.6vw, 21px);
  letter-spacing: 0.06em;
}
.hero {
  height: auto;
  min-height: 850px;
  padding: 190px 0 140px;
}
.hero-copy {
  position: relative;
  left: auto;
  top: auto;
  transform: none;
  width: min(1240px, calc(100% - 80px));
  margin: auto;
  max-width: none;
}
.hero h1 {
  font-size: clamp(42px, 6.2vw, 86px);
}
.hero-summary {
  max-width: 720px;
  font-size: 18px;
}
.hero-buttons {
  flex-wrap: wrap;
}
.hero .button {
  min-width: 270px;
  font-size: 16px;
}
.reveal {
  opacity: 1;
  transform: none;
}
.desktop-nav {
  font-size: 14px;
  gap: 20px;
}
.brand-text {
  font-size: 14px;
}
.brand-text small {
  font-size: 12px;
}
.phone span {
  font-size: 12px;
}
.hero-index {
  display: none;
}
@media (max-width: 1300px) {
  .desktop-nav {
    display: none;
  }
  .menu-toggle {
    display: block;
  }
}
@media (max-width: 760px) {
  .hero {
    min-height: 760px;
    padding: 155px 0 100px;
  }
  .hero-copy {
    width: calc(100% - 40px);
    left: auto;
    right: auto;
    top: auto;
  }
  .hero h1 {
    font-size: clamp(36px, 9.3vw, 55px);
  }
  .hero-summary {
    font-size: 16px;
  }
  .hero .kicker {
    font-size: 16px;
  }
  .hero-buttons {
    max-width: none;
  }
  .hero .button {
    min-width: 0;
    width: 100%;
  }
  .hero-image {
    object-position: 60% center;
  }
  .brand-text {
    font-size: 12px;
  }
  .brand-text small {
    font-size: 12px;
  }
}

/* Unified content and responsive reading hierarchy */
.skip-link {
  position: fixed;
  top: -90px;
  left: 12px;
  background: #fff;
  color: #111;
  padding: 12px;
  z-index: 1000;
}
.skip-link:focus {
  top: 12px;
}
:focus-visible {
  outline: 3px solid #d78400;
  outline-offset: 5px;
}
p,
li,
dd {
  overflow-wrap: anywhere;
}
.proposal-section {
  padding: 100px 0;
  background: #fff;
}
.proposal-heading {
  max-width: 900px;
  margin-bottom: 42px;
}
.proposal-heading h2 {
  font-size: clamp(30px, 3.7vw, 50px);
  line-height: 1.5;
  margin: 10px 0 22px;
  letter-spacing: 0.025em;
  color: var(--ink);
}
.proposal-lead {
  font-size: 18px;
  color: #52646c;
  max-width: 840px;
}
.overline {
  font-size: 14px;
  color: #566971;
}
.role-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-bottom: 45px;
}
.role-intro p {
  margin: 0;
  font-size: 17px;
  line-height: 2;
}
.proposal-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
}
.proposal-cards article {
  padding: 28px 0;
  border-top: 2px solid var(--accent);
}
.item-num {
  font-family: "Barlow Condensed", sans-serif;
  font-size: 20px;
  color: #986400;
}
.proposal-cards h3 {
  font-size: 21px;
  line-height: 1.6;
  margin: 10px 0 18px;
}
.proposal-cards p {
  font-size: 16px;
  line-height: 1.9;
  margin: 0;
  color: #52646c;
}
.soft-section {
  background: #edf1f3;
}
.dark-section {
  background: var(--ink-2);
  color: #fff;
}
.dark-section h2,
.dark-section h3 {
  color: #fff;
}
.dark-section .overline,
.dark-section .item-num {
  color: #f2ba39;
}
.dark-section .proposal-lead,
.dark-section p {
  color: #d0d9dd;
}
.proposal-link {
  display: inline-flex;
  gap: 22px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 2px solid #b77c00;
  font-size: 17px;
  font-weight: 700;
  margin-top: 24px;
  line-height: 1.7;
}
.proposal-link:hover {
  color: #986400;
}
.dark-section .proposal-link:hover {
  color: #f2ba39;
}
.message-layout {
  display: grid;
  grid-template-columns: minmax(240px, 0.65fr) 1.35fr;
  gap: 80px;
  align-items: start;
}
.message-text p {
  font-size: 17px;
  line-height: 2.1;
  margin: 0 0 24px;
}
.message-layout .president-photo {
  max-width: 350px;
}
.signature {
  border-top: 1px solid #c9d1d5;
  padding-top: 24px;
}
.signature strong {
  font-size: 25px;
  display: inline-block;
  margin-left: 12px;
}
.proposal-process {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 20px;
}
.proposal-process li {
  border-top: 1px solid #82949d;
  padding-top: 24px;
}
.proposal-process span {
  font-family: "Barlow Condensed", sans-serif;
  font-size: 28px;
  color: var(--accent);
}
.proposal-process h3 {
  font-size: 18px;
}
.proposal-process p {
  font-size: 16px;
}
.service-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  margin-bottom: 55px;
}
.service-feature img {
  width: 100%;
  height: 350px;
  object-fit: cover;
}
.service-feature h3 {
  font-size: 27px;
  line-height: 1.6;
  margin: 0 0 20px;
}
.service-feature p {
  font-size: 16px;
}
.service-feature small,
.source-note,
.reading-copy small {
  font-size: 14px;
  color: #52646c;
}
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}
.case-card {
  background: #fff;
  border: 1px solid #d6dfe4;
}
.case-card figure {
  margin: 0;
}
.case-card img {
  width: 100%;
  height: 230px;
  object-fit: cover;
}
.case-card figcaption {
  font-size: 14px;
  padding: 9px 15px;
  background: #e4e9ec;
  color: #374c57;
}
.case-card > div {
  padding: 24px;
}
.case-card h3 {
  font-size: 21px;
  margin: 0 0 20px;
}
.case-card dl {
  margin: 0;
}
.case-card dt {
  font-size: 14px;
  font-weight: 700;
  color: #805300;
  margin-top: 16px;
}
.case-card dd {
  margin: 5px 0 0;
  font-size: 16px;
  color: #465c67;
}
.employee-quote {
  margin: 35px 0 0;
  padding: 25px 0;
  border-top: 1px solid #687d87;
}
.employee-quote p {
  font-size: 25px;
}
.employee-quote cite {
  font-style: normal;
  font-size: 16px;
}
.employee-quote small {
  font-size: 14px;
}
.yellow-section {
  background: #f2b51d;
}
.yellow-section .proposal-lead {
  color: #253238;
}
.consult-actions {
  display: flex;
  gap: 50px;
  align-items: center;
  flex-wrap: wrap;
}
.consult-actions .proposal-link {
  background: #102630;
  color: #fff;
  border: 0;
  padding: 20px 28px;
  margin: 0;
}
.call-link {
  font-family: "Barlow Condensed", "Noto Sans JP", sans-serif;
  font-size: 34px;
  font-weight: 600;
}
.call-link small {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 14px;
  display: block;
}
.contact-small {
  font-size: 14px;
  margin-top: 22px;
}
.subpage-spacer {
  height: 82px;
}
.reading-copy {
  max-width: 800px;
  font-size: 17px;
}
.reading-copy h3 {
  font-size: 23px;
  margin-top: 32px;
}
.faq-list {
  max-width: 940px;
}
.faq-list details {
  border-top: 1px solid #abbcc5;
  padding: 23px 0;
}
.faq-list details:last-child {
  border-bottom: 1px solid #abbcc5;
}
.faq-list summary {
  font-size: 19px;
  font-weight: 600;
  cursor: pointer;
}
.faq-list p {
  font-size: 16px;
  max-width: 850px;
  margin-bottom: 0;
}
.contact-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.contact-options article {
  background: #edf1f3;
  padding: 35px;
}
.contact-options h3 {
  font-size: 26px;
}
.large-phone {
  font-family: "Barlow Condensed", sans-serif;
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 600;
}
.section-context {
  font-size: 16px;
  max-width: 820px;
  color: #52646c;
}
.company-lead,
.company dd,
.company dt,
.philosophy p,
.philosophy li,
.safety-copy p,
.qualification-grid dl > div,
.requirements-table th,
.requirements-table td {
  font-size: 16px;
}
.qualification-grid h3 {
  font-size: 20px;
}
.footer-nav {
  font-size: 14px;
  flex-wrap: wrap;
  gap: 18px;
}
.footer-bottom {
  font-size: 14px;
  color: #b4c2c8;
}
.mobile-menu {
  overflow: auto;
}
.access p {
  font-size: 16px;
}
.brand-text small {
  letter-spacing: 0.08em;
}
.site-header {
  padding-inline: 24px;
}
.section-label,
.section-label span {
  font-size: 14px;
}
.source-note {
  margin-top: 24px;
}
@media (min-width: 1051px) and (max-width: 1300px) {
  .mobile-menu {
    display: flex;
    visibility: hidden;
    opacity: 0;
    position: fixed;
    inset: 82px 0 0;
    background: var(--ink);
    color: #fff;
    z-index: 49;
    padding: 30px 8vw;
    flex-direction: column;
  }
  .mobile-menu.open {
    visibility: visible;
    opacity: 1;
  }
  .mobile-menu a {
    padding: 15px 0;
    border-bottom: 1px solid #52646c;
    font-size: 18px;
  }
}
@media (max-width: 1050px) {
  .case-grid,
  .proposal-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .message-layout {
    gap: 40px;
  }
  .proposal-process {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .footer-nav {
    display: flex;
    max-width: 50%;
  }
  .footer-main {
    gap: 25px;
    flex-wrap: wrap;
  }
  .service-feature {
    gap: 30px;
  }
}
@media (max-width: 760px) {
  .proposal-section {
    padding: 65px 0;
  }
  .proposal-heading h2 {
    font-size: 30px;
  }
  .proposal-lead {
    font-size: 16px;
  }
  .role-intro,
  .proposal-cards,
  .message-layout,
  .service-feature,
  .case-grid,
  .contact-options {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .proposal-cards article {
    padding: 20px 0;
  }
  .role-intro p,
  .message-text p {
    font-size: 16px;
  }
  .message-layout .president-photo {
    max-width: 260px;
    margin: 0 auto 20px;
  }
  .proposal-process {
    grid-template-columns: 1fr;
  }
  .proposal-process li {
    display: grid;
    grid-template-columns: 40px 1fr;
    gap: 0 15px;
    padding: 18px 0;
  }
  .proposal-process h3 {
    margin: 6px 0;
  }
  .proposal-process p {
    grid-column: 2;
    margin: 0;
  }
  .service-feature img {
    height: 270px;
  }
  .service-feature h3 {
    font-size: 24px;
  }
  .case-card img {
    height: 240px;
  }
  .employee-quote p {
    font-size: 21px;
  }
  .contact-options article {
    padding: 25px;
  }
  .consult-actions {
    gap: 25px;
    align-items: flex-start;
    flex-direction: column;
  }
  .consult-actions .proposal-link {
    width: 100%;
    font-size: 16px;
    justify-content: space-between;
    padding: 18px;
  }
  .footer-nav {
    max-width: none;
  }
  .footer-main {
    align-items: flex-start;
  }
  .subpage-spacer {
    height: 70px;
  }
  .requirements-table th,
  .requirements-table td {
    font-size: 16px;
    overflow-wrap: anywhere;
  }
  .requirements-table th {
    width: 30%;
  }
  .company-grid {
    gap: 30px;
  }
  .qualification-grid dl > div {
    font-size: 16px;
  }
  .hero-summary br {
    display: none;
  }
  .mobile-menu {
    padding: 22px 7vw;
  }
  .mobile-menu a {
    font-size: 16px;
    padding: 12px 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }
}

.proposal-heading h1 {
  font-size: clamp(32px, 4.3vw, 58px);
  line-height: 1.5;
  margin: 10px 0 22px;
  letter-spacing: 0.025em;
  color: var(--ink);
}
.dark-section .proposal-heading h1 {
  color: #fff;
}
@media (max-width: 760px) {
  .proposal-heading h1 {
    font-size: 32px;
  }
}

/* Preserve MRK's original carbon-black, white and blue visual identity. */
:root {
  --ink: #07090a;
  --ink-2: #0d1113;
  --paper: #111517;
  --text: #edf3f5;
  --muted: #c3ced3;
  --accent: #48a9ff;
  --aqua: #9edfff;
}
.proposal-section,
.proposal-section.soft-section,
.proposal-section.dark-section {
  background-color: #080a0b;
  background-image:
    radial-gradient(circle at 84% 4%, rgba(72, 169, 255, 0.075), transparent 32%), repeating-linear-gradient(45deg, rgba(236, 245, 248, 0.055) 0 1px, transparent 1px 7px), repeating-linear-gradient(-45deg, rgba(0, 0, 0, 0.38) 0 1px, transparent 1px 7px), linear-gradient(135deg, #0b0e10, #060809);
  background-size:
    100% 100%,
    12px 12px,
    12px 12px,
    100% 100%;
  color: #edf3f5;
}
.proposal-section .proposal-heading h1,
.proposal-section .proposal-heading h2,
.proposal-section h3,
.proposal-section h4,
.proposal-section .message-text,
.proposal-section .role-intro,
.proposal-section .reading-copy,
.proposal-section .faq-list {
  color: #f5f8fa;
}
.proposal-section .proposal-lead,
.proposal-section p,
.proposal-section .proposal-cards p,
.proposal-section .case-card dd,
.proposal-section small,
.section-context {
  color: #d6e0e5;
}
.proposal-section .overline,
.proposal-section .item-num,
.proposal-section .case-card dt,
.proposal-process span {
  color: #9edfff;
}
.proposal-section .case-card,
.proposal-section .contact-options article {
  background: #101619;
  border-color: #344650;
  color: #edf3f5;
}
.proposal-section .case-card figcaption {
  background: #172126;
  color: #d6e0e5;
}
.proposal-section .proposal-link {
  color: #f3f7f9;
  border-color: #48a9ff;
}
.proposal-section .proposal-link:hover {
  color: #9edfff;
}
.proposal-section .signature,
.proposal-section .employee-quote,
.proposal-section .faq-list details {
  border-color: #52656f;
}
.proposal-section.yellow-section {
  background: linear-gradient(110deg, #48a9ff, #a7dfff);
  color: #07090a;
}
.proposal-section.yellow-section h2,
.proposal-section.yellow-section p,
.proposal-section.yellow-section small,
.proposal-section.yellow-section .overline,
.proposal-section.yellow-section .call-link {
  color: #07090a;
}
.proposal-section .consult-actions .proposal-link {
  background: #102630;
  color: #fff;
}
.proposal-section.yellow-section .consult-actions .proposal-link:hover {
  background: #1c3946;
  color: #fff;
}
.proposal-section .service-feature img,
.proposal-section .case-card img,
.proposal-section .president-photo img {
  opacity: 1;
  visibility: visible;
  filter: none;
}
.service-feature img {
  height: auto;
  aspect-ratio: 3/2;
  object-fit: contain;
  background: #080a0b;
}
.case-card img {
  height: auto;
  aspect-ratio: 3/2;
  object-fit: contain;
  background: #080a0b;
}
.hero {
  isolation: isolate;
}
.hero-image {
  z-index: -3;
  opacity: 1;
  visibility: visible;
}
.hero-overlay {
  z-index: -2;
  background: linear-gradient(90deg, rgba(2, 4, 5, 0.84), rgba(3, 6, 7, 0.54) 48%, rgba(3, 6, 7, 0.1) 80%);
}
.hero-grid {
  z-index: -1;
}
.hero-summary {
  color: #f1f5f6;
  text-shadow: 0 1px 4px #000;
}
.hero .kicker {
  color: #edf5fa;
}
.hero .button-accent:hover {
  background: #9edfff;
}
.hero .button-outline {
  color: #fff;
  background: rgba(0, 0, 0, 0.25);
}
.hero .button-outline:hover {
  background: #fff;
  color: #07090a;
}
:focus-visible {
  outline-color: #9edfff;
}
@media (max-width: 760px) {
  .hero {
    padding-top: 140px;
    min-height: 780px;
  }
  .hero-overlay {
    background: linear-gradient(90deg, rgba(2, 4, 5, 0.75), rgba(3, 6, 7, 0.34)), linear-gradient(0deg, rgba(2, 4, 5, 0.6), transparent);
  }
  .service-feature img,
  .case-card img {
    height: auto;
    aspect-ratio: 3/2;
  }
  .proposal-section h2 {
    overflow-wrap: anywhere;
  }
}
@media (max-width: 760px) {
  .hero h1 {
    font-size: clamp(28px, 8.4vw, 55px);
  }
}

/* Company history */
.ai-inspection {
  margin-top: 48px;
  padding: 32px 38px;
  background: #e7eeed;
  border-left: 4px solid #087e87;
  color: var(--ink);
}
.ai-inspection-label {
  display: block;
  color: #24646a;
  font-family: "Barlow Condensed", "Noto Sans JP", sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.12em;
}
.ai-inspection h3 {
  font-size: clamp(22px, 2.3vw, 30px);
  line-height: 1.5;
  margin: 12px 0;
}
.ai-inspection p {
  font-size: 16px;
  line-height: 1.95;
  max-width: 850px;
  margin: 0;
}
@media (max-width: 760px) {
  .ai-inspection {
    margin-top: 32px;
    padding: 26px 22px;
  }
}
.proposal-section.membership-section {
  padding: 48px 0;
}
.membership-grid {
  display: block;
  border-left: 3px solid var(--accent);
  padding-left: clamp(20px, 3vw, 36px);
}
.membership-copy h2 {
  font-size: clamp(22px, 2.2vw, 28px);
  line-height: 1.5;
  margin: 0 0 16px;
  color: #f5f8fa;
}
.membership-copy .overline {
  color: #9edfff;
}
.membership-copy > p:not(.overline) {
  font-size: 1rem;
  line-height: 2;
  max-width: 900px;
  color: #d6e0e5;
}
.membership-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  padding-bottom: 5px;
  border-bottom: 2px solid var(--accent);
  font-size: 1rem;
  font-weight: 700;
}
.membership-link,
.membership-certificate-link {
  color: #f3f7f9;
}
.membership-link:hover,
.membership-link:focus-visible,
.membership-certificate-link:hover,
.membership-certificate-link:focus-visible {
  color: #9edfff;
}
.membership-certificate-link {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.875rem;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.membership-link-note {
  font-size: 0.875rem;
}
@media (max-width: 760px) {
  .proposal-section.membership-section {
    padding: 36px 0;
  }
  .membership-link {
    align-items: flex-start;
    line-height: 1.8;
  }
}
.history-link {
  display: inline-flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--accent);
  color: var(--aqua);
  font-size: 1rem;
  font-weight: 600;
}
.history-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid #52656f;
}
.history-timeline li {
  display: grid;
  grid-template-columns: 11rem 1fr;
  column-gap: 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid #52656f;
}
.history-timeline time {
  grid-row: 1/3;
  color: var(--aqua);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.7;
}
.history-timeline h3 {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  line-height: 1.7;
}
.history-timeline p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.9;
}
.mrk-history {
  scroll-margin-top: 90px;
}
@media (max-width: 760px) {
  .history-timeline li {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding: 1.5rem 0;
  }
  .history-timeline time {
    grid-row: auto;
    font-size: 1.1rem;
  }
  .history-timeline h3 {
    margin: 0;
  }
  .mrk-history {
    scroll-margin-top: 76px;
  }
}

/* =========================================================
   お問い合わせフォーム（contact.html #form）2026-10 追加
   既存の .contact-form / .form-row / .form-control / .address-fields / .form-submit を利用
   ========================================================= */
.form-notes {
  margin: 0 0 32px;
  padding-left: 1.3em;
  color: #c3ced3;
  font-size: 15px;
  line-height: 1.9;
}
.form-notes a {
  color: #9edfff;
}
.form-row .required-mark,
.proposal-lead .required-mark {
  display: inline-block;
  margin: 0 6px;
  padding: 0 8px;
  background: #48a9ff;
  color: #07090a;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.7;
  vertical-align: middle;
}
.form-row .form-label {
  margin: 0;
  padding: 24px;
  color: #d7dfe0;
  font-weight: 600;
}
.form-choices {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  padding: 12px 0;
}
.form-choices label,
.form-control .form-check {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 0;
  color: #edf3f5;
  font-weight: 500;
  cursor: pointer;
}
.form-control input[type="radio"],
.form-control input[type="checkbox"] {
  flex: none;
  width: 20px;
  height: 20px;
  margin: 0;
  padding: 0;
  accent-color: #48a9ff;
}
.form-control .form-check {
  padding-top: 12px;
}
.form-control a {
  color: #9edfff;
  text-decoration: underline;
}
.form-control input::placeholder,
.form-control textarea::placeholder {
  color: #66757b;
}
.form-hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.contact-form .address-fields {
  grid-template-columns: 160px 1fr;
}
@media (max-width: 760px) {
  .form-row .form-label {
    padding: 18px 18px 4px;
  }
  .form-choices {
    flex-direction: column;
    gap: 12px;
  }
  .contact-form .address-fields {
    grid-template-columns: 1fr;
  }
}

/* =========================================================
   文字の読みやすさ調整（コントラスト比 4.5:1 以上）2026-10-15 追加
   ========================================================= */
/* 経営理念・建設業許可・安全活動・資格・アクセスの英字小見出し（#566971 → 他セクションと同色） */
.philosophy .overline,
.permits .overline,
.qualifications .overline,
.access .overline {
  color: #9edfff;
}
/* フッターロゴの英字（#617479 → 明るく） */
.footer-brand .brand-text small {
  color: #8f9da0;
}

/* drone.html「今後の取り組み」ブロック：明るい背景＋白文字だったものをダーク基調に */
.proposal-section .ai-inspection {
  background: linear-gradient(110deg, rgba(72, 169, 255, 0.12), rgba(72, 169, 255, 0.04));
  border: 1px solid #2b4a5c;
  border-left: 4px solid #48a9ff;
  color: #d6e0e5;
}
.proposal-section .ai-inspection-label {
  color: #9edfff;
}
.proposal-section .ai-inspection h3 {
  color: #f5f8fa;
}
.proposal-section .ai-inspection p {
  color: #d6e0e5;
}

/* =========================================================
   reCAPTCHA バッジ（contact.html）2026-10-22
   確認ボタンが画面内のときだけ、右下（下から100px）へスライド表示
   表示は右から左、非表示は左から右
   ========================================================= */
.grecaptcha-badge {
  right: 0 !important;
  bottom: 50px !important;
  z-index: 40 !important;
  transform: translateX(120%) !important;
  visibility: hidden;
  transition:
    transform 1s cubic-bezier(0.2, 0.7, 0.2, 1),
    visibility 0s linear 1s !important;
}
.grecaptcha-badge.is-shown {
  transform: translateX(0) !important;
  visibility: visible;
  transition:
    transform 1s cubic-bezier(0.2, 0.7, 0.2, 1),
    visibility 0s linear 0s !important;
}
@media (prefers-reduced-motion: reduce) {
  .grecaptcha-badge,
  .grecaptcha-badge.is-shown {
    transition: none !important;
  }
}