:root {
  --ink: #182126;
  --muted: #65737c;
  --line: #d8e0e2;
  --paper: #f7f8f6;
  --white: #ffffff;
  --teal: #0f766e;
  --teal-dark: #0b4f4b;
  --gold: #b8843b;
  --charcoal: #263238;
  --shadow: 0 20px 60px rgba(24, 33, 38, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans JP", system-ui, sans-serif;
  line-height: 1.75;
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 18px clamp(18px, 4vw, 56px);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 8px 28px rgba(24, 33, 38, 0.08);
  backdrop-filter: blur(14px);
  transition: background 180ms ease, box-shadow 180ms ease, color 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  color: var(--ink);
}

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

.brand picture,
.hero-logo-frame picture {
  display: block;
}

.brand-logo {
  width: clamp(110px, 9.5vw, 154px);
  height: auto;
  object-fit: contain;
  object-position: left center;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 0.92rem;
  font-weight: 700;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 9px;
  color: currentColor;
  background: transparent;
  border: 1px solid currentColor;
  border-radius: 8px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 88vh;
  padding-top: 82px;
  overflow: hidden;
  color: var(--white);
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(8, 15, 16, 0.92) 0%, rgba(8, 15, 16, 0.72) 42%, rgba(8, 15, 16, 0.18) 100%),
    linear-gradient(180deg, rgba(8, 15, 16, 0.1) 0%, rgba(8, 15, 16, 0.68) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(720px, calc(100% - 36px));
  padding: 110px 0 100px;
  margin-left: clamp(18px, 7vw, 92px);
}

.hero-logo {
  width: min(400px, 56vw);
  height: auto;
  margin-bottom: 22px;
  filter: drop-shadow(0 12px 26px rgba(0, 0, 0, 0.38));
}

.main-hero .hero-image {
  object-position: center center;
}

.main-hero .hero-shade {
  background:
    radial-gradient(circle at center, rgba(255, 255, 255, 0.22) 0%, rgba(8, 15, 16, 0.12) 34%, rgba(8, 15, 16, 0.58) 100%),
    linear-gradient(180deg, rgba(8, 15, 16, 0.08) 0%, rgba(8, 15, 16, 0.48) 100%);
}

.main-hero .hero-content {
  width: min(960px, calc(100% - 36px));
  margin-right: auto;
  margin-left: auto;
  padding-top: clamp(140px, 18vw, 210px);
  text-align: center;
}

.hero-logo-frame {
  position: relative;
  isolation: isolate;
  display: flex;
  width: min(900px, 88vw);
  padding: clamp(10px, 1.6vw, 18px) clamp(16px, 2.6vw, 34px);
  margin-bottom: 28px;
  margin-right: auto;
  margin-left: auto;
}

.hero-logo-frame picture {
  width: 100%;
}

.hero-logo-frame::before {
  position: absolute;
  inset: -14px -28px;
  z-index: -1;
  content: "";
  background:
    radial-gradient(ellipse at center, rgba(255, 255, 255, 0.88) 0%, rgba(255, 255, 255, 0.42) 44%, rgba(255, 255, 255, 0) 74%);
  border-radius: 999px;
  filter: blur(3px);
}

.main-hero .hero-logo {
  width: 100%;
  margin: 0;
  filter:
    drop-shadow(0 0 1px rgba(255, 255, 255, 0.98))
    drop-shadow(0 0 7px rgba(255, 255, 255, 0.9))
    drop-shadow(0 14px 24px rgba(0, 0, 0, 0.42));
}

.main-hero h1 {
  max-width: none;
  margin-right: auto;
  margin-left: auto;
  font-size: clamp(2.05rem, 4.6vw, 3.7rem);
  line-height: 1.12;
  white-space: nowrap;
}

.main-hero .hero-copy {
  max-width: none;
  margin-right: auto;
  margin-left: auto;
  font-size: clamp(0.98rem, 1.55vw, 1.08rem);
  white-space: nowrap;
}

.main-hero .hero-actions {
  justify-content: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-family: Inter, sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

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

h1 {
  max-width: 10.5em;
  margin: 0;
  font-size: clamp(2.3rem, 6vw, 4.8rem);
  line-height: 1.06;
  font-weight: 800;
}

.hero-copy {
  max-width: 620px;
  margin: 28px 0 0;
  font-size: clamp(1rem, 2vw, 1.18rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 800;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}

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

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

.button.secondary {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.72);
}

.section {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(68px, 10vw, 120px) 0;
}

.section-heading {
  display: grid;
  gap: 4px;
  margin-bottom: 34px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(1.75rem, 4vw, 3rem);
  line-height: 1.25;
}

.intro {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(28px, 6vw, 70px);
  align-items: start;
}

.intro p {
  margin: 0;
  color: var(--charcoal);
  font-size: 1.08rem;
}

.service-grid,
.business-stack {
  display: grid;
  gap: 18px;
}

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

.business-card {
  display: grid;
  padding: clamp(24px, 5vw, 42px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(24, 33, 38, 0.06);
}

.business-card:nth-of-type(odd) {
  background: #fbfcfb;
}

.trade-detail {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.92fr);
  gap: 20px;
  align-items: stretch;
  margin-top: 24px;
  overflow: hidden;
  background: #f6f8f6;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.trade-detail img {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
}

.trade-detail > div {
  padding: 24px;
}

.trade-detail h4,
.management-grid h4 {
  margin: 0 0 12px;
  font-size: 1.18rem;
  line-height: 1.35;
}

.management-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.management-grid section {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(24, 33, 38, 0.06);
}

.management-grid span {
  color: var(--teal);
  font-family: Inter, sans-serif;
  font-size: 0.76rem;
  font-weight: 800;
}

.management-grid p {
  margin: 0;
  color: var(--muted);
}

.service-card h3,
.business-card h3,
.strength-list h3 {
  margin: 0 0 10px;
  font-size: 1.25rem;
  line-height: 1.35;
}

.service-card p,
.business-card p,
.strength-list p {
  margin: 0;
  color: var(--muted);
}

.mini-list {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
}

.mini-list div {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
}

.mini-list dt {
  color: var(--muted);
  font-weight: 800;
}

.mini-list dd {
  margin: 0;
}

.property-showcase {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.property-card {
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(24, 33, 38, 0.06);
}

.property-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.property-card > div {
  padding: 22px;
}

.property-label {
  margin: 0 0 8px;
  color: var(--gold);
  font-family: Inter, sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.property-card h4 {
  margin: 0 0 16px;
  font-size: 1.18rem;
  line-height: 1.35;
}

.property-detail {
  display: grid;
  gap: 8px;
  padding: 0;
  margin: 0 0 18px;
  color: var(--muted);
  list-style: none;
}

.property-detail li::before {
  content: "・";
  color: var(--teal);
  font-weight: 800;
}

.social-link {
  display: inline-grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  width: fit-content;
  max-width: 100%;
  min-height: 56px;
  padding: 7px 14px 7px 7px;
  margin-top: 18px;
  background: #f6f8f6;
  border: 1px solid var(--line);
  border-radius: 8px;
  transition: border-color 160ms ease, transform 160ms ease;
}

.social-link:hover {
  transform: translateY(-1px);
  border-color: rgba(15, 118, 110, 0.42);
}

.social-link img {
  width: 44px;
  height: 44px;
  padding: 6px;
  object-fit: contain;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.social-link strong,
.social-link small {
  display: block;
  overflow-wrap: anywhere;
}

.social-link strong {
  color: var(--ink);
  font-size: 0.9rem;
  line-height: 1.25;
}

.social-link small {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
  line-height: 1.25;
}

.shop-grid {
  display: grid;
  gap: 22px;
  margin-top: 24px;
}

.shop-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.55fr);
  gap: 22px;
  align-items: center;
  padding: 18px;
  background: #f6f8f6;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.shop-photos {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 12px;
}

.shop-photos img {
  width: 100%;
  height: 100%;
  min-height: 300px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 10px 24px rgba(24, 33, 38, 0.1);
}

.shop-photos img:nth-child(2) {
  min-height: 220px;
  align-self: end;
}

.shop-copy {
  padding: 10px 6px;
}

.shop-grid h4 {
  margin: 0 0 12px;
  font-size: clamp(1.25rem, 3vw, 1.8rem);
  line-height: 1.3;
}

.shop-grid p {
  font-size: 0.94rem;
  line-height: 1.75;
}

.detail-copy {
  display: grid;
  gap: 14px;
}

.detail-copy p {
  line-height: 1.9;
}

.service-message {
  width: fit-content;
  padding: 12px 16px;
  color: var(--teal-dark) !important;
  font-weight: 800;
  background: #e8f1ee;
  border-left: 4px solid var(--teal);
  border-radius: 0 8px 8px 0;
}

.strength-list {
  display: grid;
  gap: 18px;
}

.strength-list article {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 28px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
}

.strength-list article:last-child {
  border-bottom: 1px solid var(--line);
}

.strength-list h3 {
  margin-top: 0;
}

.initiative-panel {
  display: grid;
  gap: 18px;
  padding: clamp(28px, 5vw, 48px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(24, 33, 38, 0.06);
}

.initiative-panel p {
  max-width: 920px;
  margin: 0;
  color: var(--charcoal);
  font-size: 1.02rem;
  line-height: 1.95;
}

.company-table {
  margin: 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.company-table div {
  display: grid;
  grid-template-columns: 220px 1fr;
  border-bottom: 1px solid var(--line);
}

.company-table div:last-child {
  border-bottom: 0;
}

.company-table dt,
.company-table dd {
  margin: 0;
  padding: 18px 24px;
}

.company-table dt {
  color: var(--muted);
  font-weight: 700;
  background: #f0f3f1;
}

.company-profile {
  display: grid;
  grid-template-columns: minmax(240px, 340px) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.president-photo {
  width: 100%;
  max-width: 340px;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(24, 33, 38, 0.06);
}

.president-photo img {
  width: 100%;
  height: auto;
  min-height: 0;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center top;
}

.president-photo figcaption {
  padding: 14px 18px;
  color: var(--teal-dark);
  font-weight: 800;
  background: #f0f5f2;
}

.company-business-list {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.company-blocks {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}

.company-blocks > section {
  padding: clamp(24px, 4vw, 38px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(24, 33, 38, 0.06);
}

.company-blocks h3 {
  margin: 0 0 14px;
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.35;
}

.company-blocks p {
  max-width: 920px;
  margin: 0;
  color: var(--charcoal);
  line-height: 1.95;
}

.history-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.history-list li {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.history-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.history-list span,
.signature {
  color: var(--teal-dark);
  font-weight: 800;
}

.signature {
  margin-top: 6px !important;
}

.link-board {
  margin-top: 38px;
}

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

.link-board .section-heading h2 {
  margin: 0;
  font-size: clamp(1.7rem, 3.6vw, 2.5rem);
  line-height: 1.3;
}

.link-banner-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.link-banner {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 20px;
  align-items: center;
  min-height: 164px;
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(24, 33, 38, 0.06);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.link-banner:hover {
  transform: translateY(-2px);
  border-color: rgba(15, 118, 110, 0.42);
  box-shadow: 0 14px 34px rgba(24, 33, 38, 0.1);
}

.link-banner strong,
.link-banner small {
  display: block;
  overflow-wrap: anywhere;
}

.link-banner strong {
  font-size: 1.12rem;
  line-height: 1.35;
}

.link-banner small {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.35;
}

.link-logo-frame {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 112px;
  height: 112px;
  padding: 12px;
  overflow: hidden;
  background: #f6f8f6;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.link-logo-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(18px, 4vw, 56px);
  color: var(--white);
  background: #11191c;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 860px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 76px;
    right: 18px;
    left: 18px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    color: var(--ink);
    background: var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

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

  .site-nav a {
    padding: 13px 12px;
  }

  .hero {
    min-height: 88vh;
  }

  .hero-content {
    padding-top: 150px;
    padding-bottom: 74px;
  }

  .main-hero h1 {
    font-size: clamp(1.35rem, 5vw, 2.4rem);
  }

  .main-hero .hero-copy {
    font-size: clamp(0.68rem, 2vw, 0.9rem);
  }

  .intro,
  .service-grid,
  .trade-detail,
  .property-showcase,
  .management-grid,
  .shop-grid,
  .shop-feature,
  .shop-photos,
  .company-profile,
  .link-banner-grid {
    grid-template-columns: 1fr;
  }

  .trade-detail img {
    height: auto;
    min-height: 0;
    object-fit: contain;
  }

  .shop-photos img,
  .shop-photos img:nth-child(2) {
    min-height: 0;
    aspect-ratio: 16 / 11;
  }

  .strength-list article {
    grid-template-columns: 1fr;
    gap: 8px;
  }

}

@media (max-width: 560px) {
  .site-header {
    padding: 14px 16px;
  }

  .brand-logo {
    width: clamp(144px, 42vw, 164px);
  }

  .nav-toggle {
    width: 40px;
    height: 40px;
  }

  .main-hero .hero-shade {
    background:
      linear-gradient(90deg, rgba(8, 15, 16, 0.78) 0%, rgba(8, 15, 16, 0.72) 100%),
      linear-gradient(180deg, rgba(8, 15, 16, 0.18) 0%, rgba(8, 15, 16, 0.7) 100%);
  }

  .main-hero .hero-content {
    width: min(100% - 32px, 430px);
    margin-right: auto;
    margin-left: auto;
    padding-top: 128px;
    padding-bottom: 62px;
  }

  .main-hero .hero-logo-frame {
    width: min(360px, 92vw);
    padding: 8px 12px;
    margin-bottom: 18px;
  }

  .hero-logo-frame::before {
    display: none;
  }

  .main-hero .hero-logo {
    filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.42));
  }

  .main-hero h1 {
    max-width: none;
    font-size: clamp(1rem, 5vw, 1.22rem);
    line-height: 1.25;
    white-space: nowrap;
  }

  .main-hero .hero-copy {
    max-width: none;
    margin-top: 18px;
    font-size: clamp(0.54rem, 2.65vw, 0.64rem);
    line-height: 1.6;
    white-space: nowrap;
  }

  .main-hero .hero-actions {
    margin-top: 26px;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(10, 28, 31, 0.92) 0%, rgba(10, 28, 31, 0.72) 100%),
      linear-gradient(180deg, rgba(10, 28, 31, 0.18) 0%, rgba(10, 28, 31, 0.7) 100%);
  }

  .button {
    width: 100%;
  }

  .link-banner {
    grid-template-columns: 82px minmax(0, 1fr);
    gap: 14px;
    min-height: 124px;
    padding: 16px;
  }

  .link-logo-frame {
    width: 82px;
    height: 82px;
    padding: 9px;
  }

  .link-banner strong {
    font-size: 1rem;
  }

  .link-banner small {
    font-size: 0.8rem;
  }

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

  .company-table dt {
    padding-bottom: 6px;
  }

  .company-table dd {
    padding-top: 6px;
  }

  .site-footer {
    flex-direction: column;
  }
}