:root {
  --navy-950: #071827;
  --navy-900: #0b2238;
  --navy-800: #123653;
  --blue-700: #145f8d;
  --blue-500: #2782b8;
  --cyan-100: #e6f5fb;
  --steel-700: #3d5161;
  --steel-500: #637584;
  --steel-200: #d8e1e7;
  --steel-100: #edf3f6;
  --white: #ffffff;
  --ink: #132331;
  --accent: #c8983a;
  --shadow: 0 18px 48px rgba(7, 24, 39, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.75;
  background: var(--white);
}

body.menu-open {
  overflow: hidden;
}

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(39, 130, 184, 0.45);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(16px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--steel-200);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  color: var(--navy-900);
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  flex: 0 0 auto;
  place-items: center;
  width: 44px;
  height: 44px;
  color: var(--white);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  background: linear-gradient(135deg, var(--navy-900), var(--blue-700));
}

.brand-text {
  display: grid;
  min-width: 0;
  line-height: 1.25;
}

.brand-text strong {
  font-size: 15px;
  font-weight: 900;
}

.brand-text small {
  color: var(--steel-500);
  font-size: 11px;
  font-weight: 800;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
  color: var(--steel-700);
  font-size: 14px;
  font-weight: 800;
}

.site-nav a {
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--blue-700);
}

.menu-button {
  display: none;
}

.hero {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 0.6fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  min-height: 680px;
  padding: clamp(64px, 8vw, 112px) clamp(20px, 6vw, 72px);
  color: var(--white);
  background: var(--navy-950);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(100deg, rgba(7, 24, 39, 0.94), rgba(7, 24, 39, 0.78) 52%, rgba(20, 95, 141, 0.38)),
    linear-gradient(0deg, rgba(7, 24, 39, 0.8), transparent 42%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.02);
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue-700);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero .eyebrow,
.dark-section .eyebrow,
.contact-section .eyebrow {
  color: #9bd9f3;
}

h1,
h2,
h3,
p,
dd,
dt,
strong {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: clamp(34px, 6vw, 70px);
  line-height: 1.18;
  letter-spacing: 0;
}

.lead {
  max-width: 780px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(17px, 2.4vw, 22px);
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 12px 22px;
  border: 1px solid transparent;
  color: var(--navy-900);
  font-weight: 900;
  text-decoration: none;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

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

.button.primary {
  background: var(--white);
}

.button.outline {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.5);
}

.trust-panel {
  position: relative;
  z-index: 2;
  padding: 28px;
  color: var(--ink);
  background: var(--white);
  box-shadow: var(--shadow);
}

.panel-label {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.trust-panel dl {
  display: grid;
  gap: 0;
  margin: 0;
}

.trust-panel div {
  padding: 14px 0;
  border-bottom: 1px solid var(--steel-200);
}

.trust-panel div:last-child {
  border-bottom: 0;
}

.trust-panel dt,
.verification-strip span,
.info-table span,
.legal-grid span,
.contact-cards span {
  color: var(--steel-500);
  font-size: 12px;
  font-weight: 900;
}

.trust-panel dd {
  margin: 4px 0 0;
  color: var(--navy-950);
  font-size: 16px;
  font-weight: 900;
}

.verification-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-bottom: 1px solid var(--steel-200);
  background: var(--white);
}

.verification-strip div {
  min-width: 0;
  padding: 22px clamp(16px, 3vw, 30px);
  border-right: 1px solid var(--steel-200);
}

.verification-strip div:last-child {
  border-right: 0;
}

.verification-strip strong {
  display: block;
  margin-top: 4px;
  color: var(--navy-900);
  font-size: 16px;
}

.section {
  padding: clamp(64px, 8vw, 96px) clamp(20px, 6vw, 72px);
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.section.muted {
  background: var(--steel-100);
}

.section-heading {
  max-width: 920px;
  margin-bottom: 30px;
}

.section-heading h2 {
  margin: 0;
  color: var(--navy-900);
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.25;
}

.section-heading p:last-child {
  color: var(--steel-700);
  font-weight: 700;
}

.operator-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(24px, 5vw, 56px);
  align-items: center;
  background: var(--white);
}

.operator-image {
  overflow: hidden;
  min-height: 420px;
  box-shadow: var(--shadow);
}

.operator-image img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
  object-position: center;
  transition: transform 0.5s ease;
}

.operator-image:hover img {
  transform: scale(1.035);
}

.operator-copy {
  max-width: 680px;
}

.operator-copy h2 {
  margin: 0 0 20px;
  color: var(--navy-900);
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.25;
}

.operator-copy p {
  color: var(--steel-700);
  font-size: 17px;
  font-weight: 700;
}

.business-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 22px;
}

.business-main {
  padding: clamp(26px, 4vw, 42px);
  color: var(--white);
  background: linear-gradient(145deg, var(--navy-900), var(--blue-700));
}

.business-main h3 {
  margin: 0 0 16px;
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1.35;
}

.business-main p {
  margin: 0;
  color: rgba(255, 255, 255, 0.88);
  font-weight: 700;
}

.business-cards,
.product-list,
.channel-grid,
.contact-cards {
  display: grid;
  gap: 16px;
}

.business-cards {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.business-cards article,
.product-list article {
  padding: 24px;
  border: 1px solid var(--steel-200);
  background: var(--white);
}

.business-cards span,
.product-list span {
  color: var(--blue-700);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.business-cards h3,
.product-list h3 {
  margin: 10px 0 8px;
  color: var(--navy-900);
  font-size: 20px;
  line-height: 1.45;
}

.business-cards p,
.product-list p {
  margin: 0;
  color: var(--steel-700);
  font-weight: 700;
}

.dark-section {
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(7, 24, 39, 0.98), rgba(18, 54, 83, 0.95)),
    var(--navy-950);
}

.dark-section .section-heading h2,
.dark-section .section-heading p {
  color: var(--white);
}

.channel-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.channel-card {
  display: grid;
  gap: 12px;
  min-height: 210px;
  padding: 26px;
  color: var(--white);
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.channel-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.13);
}

.channel-name {
  color: #9bd9f3;
  font-size: 13px;
  font-weight: 900;
}

.channel-icon {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: var(--navy-950);
  font-size: 18px;
  font-weight: 900;
  background: var(--white);
}

.channel-card strong {
  font-size: 22px;
  line-height: 1.35;
}

.channel-card em {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: end;
  min-height: 46px;
  padding: 10px 16px;
  color: var(--navy-950);
  font-style: normal;
  font-weight: 900;
  background: var(--white);
}

.product-list {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.product-list .wide {
  grid-column: span 2;
  border-color: rgba(39, 130, 184, 0.35);
  background: linear-gradient(180deg, var(--white), var(--cyan-100));
}

.product-list article {
  overflow: hidden;
  padding: 0;
}

.product-list article > img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.product-list article:hover > img {
  transform: scale(1.04);
}

.product-list article > span,
.product-list article > h3,
.product-list article > p,
.product-list article > .text-link {
  margin-left: 22px;
  margin-right: 22px;
}

.product-list article > span {
  display: inline-block;
  margin-top: 20px;
}

.product-list article > p,
.product-list article > .text-link {
  margin-bottom: 22px;
}

.gallery-section {
  background: var(--steel-100);
}

.gallery-track {
  display: grid;
  grid-auto-columns: minmax(260px, 34vw);
  grid-auto-flow: column;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 16px;
  scroll-snap-type: x mandatory;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  min-height: 340px;
  padding: 0;
  color: var(--white);
  text-align: left;
  border: 0;
  background: var(--navy-900);
  cursor: pointer;
  scroll-snap-align: start;
}

.gallery-item img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 340px;
  object-fit: cover;
  transition: transform 0.5s ease, opacity 0.5s ease;
}

.gallery-item:hover img {
  opacity: 0.82;
  transform: scale(1.045);
}

.gallery-item span {
  position: absolute;
  left: 18px;
  bottom: 18px;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 900;
  background: rgba(7, 24, 39, 0.72);
}

.text-link {
  display: inline-block;
  margin-top: 18px;
  color: var(--blue-700);
  font-weight: 900;
}

.info-table {
  border-top: 3px solid var(--navy-900);
  background: var(--white);
}

.info-table div {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--steel-200);
}

.info-table span {
  padding-left: 18px;
}

.info-table strong {
  display: block;
  padding-right: 18px;
  color: var(--ink);
  font-size: 16px;
}

.info-table a,
.legal-grid a,
.trust-panel a,
.contact-cards a {
  color: var(--blue-700);
}

.legal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 3px solid var(--navy-900);
  border-left: 1px solid var(--steel-200);
  background: var(--white);
}

.legal-grid div {
  min-width: 0;
  padding: 20px;
  border-right: 1px solid var(--steel-200);
  border-bottom: 1px solid var(--steel-200);
}

.legal-grid strong {
  display: block;
  margin-top: 6px;
  color: var(--ink);
  font-size: 16px;
}

.contact-section {
  color: var(--white);
  background: linear-gradient(135deg, var(--navy-950), var(--navy-800));
}

.contact-section .section-heading h2,
.contact-section .section-heading p {
  color: var(--white);
}

.contact-cards {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.contact-cards a,
.contact-cards div {
  display: grid;
  gap: 4px;
  padding: 24px;
  color: var(--navy-950);
  text-decoration: none;
  background: var(--white);
}

.contact-cards strong {
  font-size: clamp(18px, 3vw, 24px);
}

.contact-icon {
  display: inline-grid;
  place-items: center;
  width: 50px;
  height: 50px;
  margin-bottom: 10px;
  color: var(--white) !important;
  font-size: 12px !important;
  background: var(--blue-700);
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(7, 24, 39, 0.88);
}

.lightbox.is-open {
  display: flex;
}

.lightbox figure {
  width: min(100%, 1040px);
  margin: 0;
}

.lightbox img {
  display: block;
  width: 100%;
  max-height: 82vh;
  object-fit: contain;
  background: var(--navy-950);
}

.lightbox figcaption {
  padding: 12px 0 0;
  color: var(--white);
  font-weight: 900;
}

.lightbox-close {
  position: absolute;
  top: 14px;
  right: 14px;
  min-height: 42px;
  padding: 8px 14px;
  color: var(--navy-950);
  font: inherit;
  font-weight: 900;
  background: var(--white);
  border: 0;
  cursor: pointer;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 26px clamp(20px, 6vw, 72px);
  color: rgba(255, 255, 255, 0.72);
  background: var(--navy-950);
}

.site-footer div {
  display: grid;
  gap: 2px;
}

.site-footer strong {
  color: var(--white);
}

.site-footer p {
  margin: 0;
}

@media (max-width: 1080px) {
  .hero,
  .business-layout,
  .operator-section {
    grid-template-columns: 1fr;
  }

  .trust-panel {
    max-width: 680px;
  }

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

  .operator-image,
  .operator-image img {
    min-height: 360px;
  }
}

@media (max-width: 860px) {
  .site-header {
    align-items: center;
  }

  .menu-button {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    min-height: 42px;
    padding: 8px 10px;
    color: var(--navy-900);
    font: inherit;
    font-size: 12px;
    font-weight: 900;
    background: var(--white);
    border: 1px solid var(--steel-200);
  }

  .menu-button span {
    display: block;
    width: 14px;
    height: 2px;
    background: var(--navy-900);
  }

  .site-nav {
    position: fixed;
    inset: 73px 0 auto 0;
    display: none;
    grid-template-columns: 1fr;
    gap: 0;
    padding: 10px 20px 20px;
    background: var(--white);
    border-bottom: 1px solid var(--steel-200);
    box-shadow: var(--shadow);
  }

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

  .site-nav a {
    padding: 14px 4px;
    border-bottom: 1px solid var(--steel-200);
  }

  .verification-strip,
  .channel-grid,
  .contact-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .verification-strip div:nth-child(2) {
    border-right: 0;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 12px 14px;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
  }

  .brand-text strong {
    font-size: 13px;
  }

  .brand-text small {
    font-size: 10px;
  }

  .hero {
    min-height: auto;
    padding: 48px 18px 54px;
  }

  .hero-bg {
    object-position: 48% center;
  }

  .lead {
    font-size: 16px;
  }

  .hero-actions,
  .verification-strip,
  .business-cards,
  .product-list,
  .channel-grid,
  .info-table div,
  .legal-grid,
  .contact-cards {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .verification-strip div {
    border-right: 0;
  }

  .product-list .wide {
    grid-column: auto;
  }

  .section {
    padding: 56px 18px;
  }

  .trust-panel,
  .business-main,
  .business-cards article,
  .channel-card,
  .contact-cards a,
  .contact-cards div {
    padding: 22px;
  }

  .product-list article {
    padding: 0;
  }

  .gallery-track {
    grid-auto-columns: minmax(240px, 82vw);
  }

  .gallery-item,
  .gallery-item img {
    min-height: 300px;
  }

  .operator-image,
  .operator-image img {
    min-height: 320px;
  }

  .info-table span,
  .info-table strong {
    padding-left: 16px;
    padding-right: 16px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}