:root {
  --blue: #002b83;
  --deep-blue: #001d64;
  --red: #e50012;
  --ink: #070707;
  --muted: #444;
  --line: #cbd1dc;
  --source: url("assets/reference.png");
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  font-family: "Arial", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  letter-spacing: 0;
}

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

svg {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.2;
}

.site-shell {
  width: 100%;
  margin: 0 auto;
  overflow: hidden;
  background: #fff;
}

/* Each section: full-width band with inner content centered at 1198px */
.header,
.hero,
.targets,
.strengths,
.cta-band,
.works,
.footer {
  max-width: 1198px;
  margin-left: auto;
  margin-right: auto;
}

/* Full-bleed colored bands behind the inner sections */
.cta-band-wrap,
.footer-wrap {
  width: 100%;
}

.source-crop {
  background-image: var(--source);
  background-repeat: no-repeat;
  background-size: 1198px 1313px;
}

.header {
  position: relative;
  display: grid;
  grid-template-columns: 445px 300px 200px 145px;
  align-items: center;
  gap: 12px;
  min-height: 101px;
  padding: 18px 27px 10px;
  background: #fff;
  z-index: 4;
}

.small-copy {
  margin: 0 0 9px 1px;
  font-size: 14px;
  font-weight: 800;
}

.brand-row,
.footer-brand {
  display: flex;
  align-items: center;
  gap: 15px;
}

.mark {
  width: 54px;
  height: 54px;
  display: block;
  object-fit: contain;
  flex: 0 0 auto;
}

.brand h1,
.footer-brand h2 {
  margin: 0;
  font-size: 30px;
  font-weight: 900;
  line-height: 1.08;
  white-space: nowrap;
  word-break: keep-all;
}

.brand p,
.footer-brand p {
  margin: 3px 0 0;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 1px;
}

.nav {
  display: flex;
  justify-content: center;
  gap: 17px;
  font-size: 14px;
  font-weight: 800;
}

.nav a {
  white-space: nowrap;
}

.contact {
  color: var(--deep-blue);
  text-align: left;
}

.phone {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 23px;
  font-weight: 900;
  white-space: nowrap;
}

.phone svg {
  width: 22px;
  height: 22px;
  fill: var(--deep-blue);
  stroke: var(--deep-blue);
}

.contact p {
  margin: 5px 0 0;
  padding-left: 24px;
  font-size: 11px;
  font-weight: 800;
  white-space: nowrap;
}

.mail-button,
.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: #fff;
  background: var(--red);
  border-radius: 6px;
  font-weight: 900;
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, .12);
}

.mail-button {
  width: 145px;
  height: 48px;
  font-size: 15px;
}

.mail-button svg,
.cta-button svg {
  width: 25px;
  height: 21px;
}

.hero {
  position: relative;
  min-height: 384px;
  padding: 36px 0 0 51px;
  isolation: isolate;
}

.city {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(90deg, rgba(255,255,255,1) 0%, rgba(255,255,255,1) 52%, rgba(255,255,255,.22) 65%, rgba(255,255,255,0) 100%),
    url('assets/hero-bg.png');
  background-repeat: no-repeat;
  background-size: auto, cover;
  background-position: 0 0, center;
}

.city::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0) 80%, rgba(255,255,255,.9) 100%);
}

.hero-copy {
  width: 570px;
  position: relative;
  z-index: 2;
}

.headline-blue,
.headline-black {
  margin: 0;
  font-weight: 900;
  line-height: 1.18;
}

.headline-blue {
  color: var(--deep-blue);
  font-size: 44px;
}

.headline-black {
  margin-top: 11px;
  font-size: 42px;
}

.lead {
  margin: 16px 0 13px;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.75;
}

.hero-badges {
  display: flex;
  gap: 24px;
}

.round-badge {
  width: 151px;
  height: 151px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: #fff;
  text-align: center;
  background: radial-gradient(circle at 38% 28%, #073995, #001e72 70%);
  border: 3px solid #fff;
  border-radius: 50%;
  box-shadow: 0 0 0 3px #5982c2, inset 0 0 0 2px rgba(255,255,255,.18);
  font-size: 13px;
  font-weight: 900;
  line-height: 1.45;
}

.round-badge span,
.photo-card h3,
.strength-grid h3,
.works-copy p,
.links a {
  word-break: keep-all;
  overflow-wrap: normal;
}

.round-badge svg {
  width: 37px;
  height: 37px;
  stroke-width: 1.8;
}

.workers {
  display: none;
}

.hex {
  display: none;
}

.hex-air {
  top: 0;
  right: 321px;
  width: 132px;
  height: 126px;
  background-position: -748px -99px;
}

.hex-duct {
  top: 62px;
  right: 68px;
  width: 189px;
  height: 181px;
  background-position: -926px -166px;
}

.targets {
  padding: 60px 50px 50px;
  text-align: center;
}

.targets h2,
.strengths h2 {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 29px;
  margin: 0;
  color: var(--deep-blue);
  font-size: 27px;
  font-weight: 900;
  line-height: 1;
}

.targets h2::before,
.targets h2::after,
.strengths h2::before,
.strengths h2::after {
  content: "";
  width: 66px;
  height: 2px;
  background: var(--deep-blue);
}

.targets p {
  margin: 8px 0 26px;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.55;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 13px;
}

.photo-card {
  overflow: hidden;
  border-radius: 2px;
  background: var(--deep-blue);
}

.photo {
  height: 97px;
}

.photo-card h3 {
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  color: #fff;
  font-size: 17px;
  font-weight: 900;
  line-height: 1.12;
}

.photo.office,
.photo.plant,
.photo.retail,
.photo.school,
.photo.drawing {
  background-size: cover;
  background-position: center;
}
.office { background-image: url('assets/photo-office.png'); }
.plant { background-image: url('assets/photo-plant.png'); }
.retail { background-image: url('assets/photo-retail.png'); }
.school { background-image: url('assets/photo-school.png'); }
.drawing { background-image: url('assets/photo-drawing.png'); }

.strengths {
  padding: 60px 49px 50px;
}

.strength-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin-top: 12px;
  border: 1px solid var(--line);
}

.strength-grid article {
  min-height: 151px;
  padding: 12px 8px 8px;
  text-align: center;
  border-right: 1px solid var(--line);
}

.strength-grid article:last-child {
  border-right: 0;
}

.strength-grid svg {
  width: 44px;
  height: 44px;
  color: var(--deep-blue);
  stroke-width: 1.6;
}

.strength-grid h3 {
  margin: 3px 0 10px;
  color: var(--deep-blue);
  font-size: 16px;
  font-weight: 900;
  line-height: 1.25;
}

.strength-grid p {
  margin: 0;
  font-size: 12px;
  font-weight: 800;
  line-height: 1.45;
}

/* ===== 実績・強み（追加セクション） ===== */
.achievements {
  max-width: 1198px;
  margin: 0 auto;
  padding: 60px 50px 50px;
  text-align: center;
  border-top: 1px solid #e2e6ee;
}
.achievements h2 {
  display: flex; align-items: center; justify-content: center; gap: 29px;
  margin: 0 0 36px; color: var(--deep-blue); font-size: 27px; font-weight: 900;
}
.achievements h2::before, .achievements h2::after {
  content: ""; width: 66px; height: 2px; background: var(--deep-blue);
}
.ach-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-bottom: 40px;
}
.ach-card {
  padding: 28px 20px; border: 2px solid var(--deep-blue); border-radius: 8px;
  background: #fff; box-shadow: 0 4px 12px rgba(0, 28, 84, .06);
}
.ach-num {
  font-size: 56px; font-weight: 900; color: var(--deep-blue); line-height: 1;
  margin-bottom: 10px; letter-spacing: -0.02em;
}
.ach-num span {
  font-size: 18px; margin-left: 4px; font-weight: 800;
}
.ach-card p {
  margin: 0; font-size: 14px; font-weight: 800; line-height: 1.7;
}
.ach-cases {
  text-align: left; max-width: 760px; margin: 0 auto 36px;
  padding: 24px 28px; background: #f5f7fb; border-left: 4px solid var(--deep-blue); border-radius: 4px;
}
.ach-cases h3, .ach-affiliation h3 {
  margin: 0 0 14px; color: var(--deep-blue); font-size: 17px; font-weight: 900;
}
.ach-cases ul {
  margin: 0; padding-left: 18px;
}
.ach-cases li {
  font-size: 14px; line-height: 1.9; font-weight: 700;
}
.ach-cases li b {
  color: var(--deep-blue); margin-right: 10px; font-weight: 900;
}
.ach-affiliation {
  text-align: left; max-width: 760px; margin: 0 auto;
}
.ach-tags {
  display: flex; flex-wrap: wrap; gap: 10px;
}
.ach-tags a, .ach-tags span {
  display: inline-block; padding: 8px 16px; font-size: 13px; font-weight: 800;
  background: #fff; border: 1px solid var(--deep-blue); color: var(--deep-blue); border-radius: 20px;
}
.ach-tags a:hover {
  background: var(--deep-blue); color: #fff;
}

.cta-band {
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 206px 28px 55px;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(0,34,96,.98), rgba(0,34,96,.9)),
    var(--source);
  background-size: auto, 1198px 1313px;
  background-position: 0 0, 0 -913px;
}

.cta-band p {
  margin: 0 0 3px;
  font-size: 25px;
  font-weight: 500;
}

.cta-band span {
  font-size: 17px;
  font-weight: 700;
}

.cta-button {
  min-width: 228px;
  height: 47px;
  padding: 0 17px;
  font-size: 15px;
}

.cta-button > span {
  font-size: 28px;
  line-height: 1;
}

.works {
  display: grid;
  grid-template-columns: 215px 650px 1fr;
  align-items: center;
  gap: 18px;
  min-height: 108px;
  padding: 13px 54px 10px;
  border-bottom: 1px solid #d9dee6;
}

.works-copy h2,
.links h2 {
  margin: 0 0 6px;
  color: var(--deep-blue);
  font-size: 17px;
  font-weight: 900;
}

.works-copy p {
  margin: 0;
  font-size: 13px;
  font-weight: 800;
  line-height: 1.5;
}

.works-photos {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.work-img {
  height: 86px;
}

.work-img {
  background-size: cover;
  background-position: center;
}
.work1 { background-image: url('assets/work1.png'); }
.work2 { background-image: url('assets/work2.png'); }
.work3 { background-image: url('assets/work3.png'); }
.work4 { background-image: url('assets/work4.png'); }

.detail-link {
  color: var(--deep-blue);
  font-size: 14px;
  font-weight: 900;
  white-space: nowrap;
}

.detail-link span {
  margin-left: 9px;
  font-size: 25px;
  vertical-align: -2px;
}

.footer {
  display: grid;
  grid-template-columns: 410px 270px 1fr;
  min-height: 192px;
  padding: 14px 56px 0;
}

.company,
.links {
  border-right: 1px solid #d4d9e2;
}

.mark.small {
  width: 47px;
  height: 47px;
}

.footer-brand {
  gap: 17px;
}

.footer-brand h2 {
  font-size: 26px;
}

.company > p {
  margin: 9px 0 0;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.6;
}

.company a {
  color: var(--deep-blue);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.links {
  padding: 6px 34px;
}

.links a {
  display: block;
  position: relative;
  margin: 5px 0;
  padding-left: 16px;
  color: var(--deep-blue);
  font-size: 12px;
  font-weight: 800;
}

.links a::before {
  content: "▶";
  position: absolute;
  left: 0;
  top: 0;
  font-size: 10px;
}

.representative {
  position: relative;
  display: grid;
  grid-template-columns: 190px 1fr;
  align-items: end;
  padding-left: 10px;
}

.portrait {
  width: 205px;
  height: 190px;
  align-self: end;
  background-image: url('assets/portrait.png');
  background-size: cover;
  background-position: center;
}

.rep-copy {
  align-self: center;
  padding-left: 12px;
}

.rep-copy span {
  display: inline-block;
  padding: 4px 12px;
  color: #fff;
  background: var(--deep-blue);
  font-size: 13px;
  font-weight: 800;
}

.rep-copy h2 {
  margin: 12px 0 13px;
  font-size: 28px;
  font-weight: 900;
}

.rep-copy p {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.65;
}

.copyright {
  height: 29px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: var(--deep-blue);
  font-size: 12px;
  letter-spacing: .4px;
}

.reveal {
  opacity: 1;
  transform: none;
  transition: opacity .55s ease, transform .55s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  animation: reveal-in .55s ease both;
}

@keyframes reveal-in {
  from {
    opacity: .01;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.nav a.is-active {
  color: var(--deep-blue);
}

@media (max-width: 1197px) {
  .site-shell {
    width: 1198px;
    min-width: 1198px;
  }
  body {
    overflow-x: auto;
  }
}