:root {
  /* V7.1 日系低彩度：藍甕・銀鼠・利休白系 */
  /* フォント：日系ビジネス向け（CDN なし・OS 同梱のみ）。本文＝游ゴシック系、見出し＝游明朝系 */
  --font-sans: "Yu Gothic Medium", "Yu Gothic", YuGothic, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Segoe UI", "Meiryo UI", Meiryo, "MS PGothic", sans-serif;
  --font-display: "Yu Mincho", YuMincho, "Hiragino Mincho ProN", "Hiragino Mincho Pro", "MS PMincho", serif;
  --ink: #2a2d32;
  --ink-soft: #4f545c;
  --mist: #f5f4f0;
  --surface: #faf9f6;
  --surface-elevated: #fffcf8;
  --line: rgba(42, 45, 50, 0.08);
  --line-strong: rgba(42, 45, 50, 0.12);
  --accent: #4a5d6b;
  --accent-mid: #5c6f7d;
  --accent-light: #6d7f8c;
  --gold: #6b6358;
  --gold-soft: rgba(107, 99, 88, 0.12);
  --glass: rgba(255, 255, 255, 0.76);
  --glass-strong: rgba(255, 255, 255, 0.94);
  --glass-border: rgba(255, 255, 255, 0.62);
  --ring-accent: rgba(30, 61, 86, 0.14);
  --shadow-xs: 0 1px 2px rgba(12, 17, 24, 0.04);
  --shadow-sm: 0 4px 24px rgba(12, 17, 24, 0.055);
  --shadow-md: 0 14px 44px rgba(12, 17, 24, 0.085);
  --shadow-lg: 0 28px 72px rgba(12, 17, 24, 0.1);
  --shadow-hover: 0 20px 56px rgba(12, 17, 24, 0.12);
  --shadow-glow: 0 12px 40px rgba(30, 61, 86, 0.22);
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 28px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
  --header-h: 76px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 400;
  color: var(--ink);
  background-color: var(--mist);
  line-height: 1.85;
  letter-spacing: 0.04em;
  font-feature-settings: "palt" 1;
  overflow-x: hidden;
  position: relative;
}

.skip-link {
  position: absolute;
  top: -120px;
  left: 1rem;
  z-index: 3000;
  padding: 0.65rem 1.15rem;
  border-radius: 10px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: #fff;
  background: var(--accent);
  box-shadow: var(--shadow-md);
  transition: top 0.22s var(--ease-soft), box-shadow 0.22s var(--ease-soft);
}

.skip-link:focus {
  top: calc(var(--header-h) + 0.5rem);
  outline: 2px solid var(--accent-light);
  outline-offset: 3px;
}

.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 100% 80% at 8% -18%, rgba(74, 93, 107, 0.09), transparent 52%),
    radial-gradient(ellipse 72% 48% at 94% 10%, rgba(107, 99, 88, 0.06), transparent 48%),
    radial-gradient(ellipse 48% 38% at 50% 100%, rgba(74, 93, 107, 0.04), transparent 45%),
    linear-gradient(168deg, #eeede8 0%, #f7f6f2 40%, #ebe8e2 100%);
  pointer-events: none;
}

.bg-mesh::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='72' height='72' viewBox='0 0 72 72' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23152c40' fill-opacity='0.028'%3E%3Cpath d='M42 40v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-36V0h-2v4h-4v2h4v4h2V6h4V4h-4zM8 40v-4H6v4H2v2h4v4h2v-4h4v-2H8zM8 4V0H6v4H2v2h4v4h2V6h4V4H8z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.55;
}

.parallax-slow {
  will-change: transform;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  z-index: 900;
  display: flex;
  align-items: center;
  isolation: isolate;
  background: linear-gradient(180deg, rgba(255, 252, 248, 0.82) 0%, rgba(245, 244, 240, 0.68) 100%);
  backdrop-filter: blur(12px) saturate(135%);
  -webkit-backdrop-filter: blur(12px) saturate(135%);
  border-bottom: 1px solid transparent;
  transition:
    background 0.5s var(--ease-soft),
    border-color 0.5s var(--ease-soft),
    box-shadow 0.5s var(--ease-soft);
}

header.scrolled {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom-color: var(--line);
  box-shadow: var(--shadow-xs), 0 18px 48px rgba(12, 17, 24, 0.06);
}

.header-inner {
  width: min(1180px, 100% - 48px);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: nowrap;
  min-width: 0;
}

.header-end {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  min-width: 0;
  flex: 1 1 auto;
}

.brand {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.14em;
  text-decoration: none;
  flex-shrink: 0;
}

#site-nav {
  min-width: 0;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
  justify-content: flex-end;
  flex-wrap: nowrap;
  overflow-x: auto;
  overflow-y: visible;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

nav ul::-webkit-scrollbar {
  display: none;
}

nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink-soft);
  text-decoration: none;
  letter-spacing: 0.06em;
  position: relative;
  padding: 0.4rem 0;
}

nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
}

nav a:focus-visible {
  outline: 2px solid var(--accent-mid);
  outline-offset: 4px;
  border-radius: 2px;
}

nav a[aria-current="page"] {
  color: var(--accent);
}

nav a[aria-current="page"]::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  background: var(--glass);
  border-radius: 12px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--accent-mid);
  outline-offset: 3px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 880px) {
  .nav-toggle {
    display: flex;
  }

  #site-nav {
    display: none;
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    z-index: 950;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    background: var(--glass-strong);
    backdrop-filter: blur(22px) saturate(160%);
    -webkit-backdrop-filter: blur(22px) saturate(160%);
    padding: 1.35rem 1.5rem 1.85rem;
    box-shadow: var(--shadow-md);
    margin: 0;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    border: 1px solid var(--line);
    border-top: none;
  }

  #site-nav.open {
    display: block;
  }

  nav ul {
    flex-direction: column;
    gap: 0.25rem;
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: visible;
  }

  nav a {
    display: block;
    padding: 0.85rem 0;
    border-bottom: 1px solid rgba(12, 17, 24, 0.05);
  }

  nav li:last-child a {
    border-bottom: none;
  }
}

@media (min-width: 881px) and (max-width: 1040px) {
  nav ul {
    gap: 1.15rem;
  }
}

main {
  padding-top: var(--header-h);
  font-feature-settings: "palt" 1;
}

.hero {
  position: relative;
  min-height: min(680px, calc(94vh - var(--header-h)));
  display: flex;
  align-items: center;
  padding: 2.5rem 0 3.5rem;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  width: min(520px, 90vw);
  height: min(520px, 90vw);
  right: -8%;
  top: 50%;
  transform: translateY(-50%);
  background: radial-gradient(circle, rgba(30, 61, 86, 0.09) 0%, transparent 68%);
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  position: relative;
  z-index: 1;
  width: min(1180px, 100% - 48px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: clamp(1.75rem, 4vw, 2.75rem);
  align-items: center;
}

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.25rem;
  }

  .hero::before {
    right: -25%;
    opacity: 0.75;
  }
}

.hero-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.35rem);
  font-weight: 500;
  line-height: 1.32;
  letter-spacing: 0.07em;
  color: var(--ink);
  margin-bottom: 1rem;
}

.hero-lead {
  font-size: 1.125rem;
  font-weight: 400;
  color: var(--ink-soft);
  max-width: 38em;
  line-height: 1.9;
  letter-spacing: 0.035em;
}

.hero-cta {
  margin-top: 1.85rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  border-radius: 999px;
  text-decoration: none;
  border: none;
  cursor: pointer;
}

.btn:focus-visible {
  outline: 2px solid var(--accent-light);
  outline-offset: 3px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-mid) 42%, var(--accent-light) 100%);
  color: #fff;
  box-shadow: var(--shadow-glow), inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.btn-ghost {
  background: var(--glass);
  color: var(--accent);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-xs);
}

.hero-visual {
  position: relative;
  min-height: 300px;
  will-change: transform;
}

.hero-card-stack {
  position: relative;
  z-index: 2;
  height: 320px;
}

@media (max-width: 960px) {
  .hero-card-stack {
    height: 270px;
  }
}

.float-card {
  position: absolute;
  z-index: 3;
  border-radius: var(--radius-xl);
  background: var(--glass);
  backdrop-filter: blur(22px) saturate(150%);
  -webkit-backdrop-filter: blur(22px) saturate(150%);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

.float-card.c1 {
  width: 72%;
  height: 208px;
  top: 0;
  right: 0;
  background: linear-gradient(142deg, rgba(255, 255, 255, 0.95) 0%, rgba(246, 247, 249, 0.88) 100%);
}

.float-card.c2 {
  width: 58%;
  height: 172px;
  bottom: 0;
  left: 0;
  background: linear-gradient(158deg, rgba(21, 44, 64, 0.94) 0%, rgba(42, 85, 116, 0.9) 100%);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.float-card-inner {
  padding: 1.5rem 1.65rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.float-card.c1 .float-card-inner {
  background: linear-gradient(118deg, transparent 38%, rgba(21, 44, 64, 0.035) 100%);
}

.float-card h3 {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  opacity: 0.88;
  margin-bottom: 0.5rem;
}

.float-card p {
  font-size: 0.9375rem;
  line-height: 1.72;
  letter-spacing: 0.03em;
}

.float-card.c2 h3 {
  color: rgba(255, 255, 255, 0.78);
}

.float-card.c2 p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.93);
}

section {
  padding: clamp(3.75rem, 7.5vw, 5.25rem) 0;
  position: relative;
}

main > section:not(.hero):nth-child(even) {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.42) 0%, rgba(248, 249, 251, 0.65) 100%);
}

.section-inner {
  width: min(1180px, 100% - 48px);
  margin: 0 auto;
}

.section-head {
  margin-bottom: clamp(1.75rem, 3vw, 2.25rem);
}

.section-kicker {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--gold);
  margin-bottom: 0.55rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 2.9vw, 2.15rem);
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--ink);
  line-height: 1.35;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.1rem;
}

@media (max-width: 720px) {
  .info-grid {
    grid-template-columns: 1fr;
  }
}

.info-card {
  background: var(--surface-elevated);
  border-radius: var(--radius);
  padding: 1.55rem 1.7rem;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.85);
  margin: 0;
}

.info-card dt {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin-bottom: 0.5rem;
}

.info-card dd {
  font-size: 1.125rem;
  color: var(--ink);
  line-height: 1.75;
  letter-spacing: 0.03em;
  margin-inline-start: 0;
}

.info-card dl {
  margin: 0;
}

.info-card dl dd {
  margin: 0;
}

.categories {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.15rem;
}

.cat-card {
  display: flex;
  flex-direction: column;
  background: linear-gradient(165deg, #fff 0%, #f7f8fa 55%, #f2f3f6 100%);
  border-radius: var(--radius);
  padding: 0;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.9);
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink-soft);
  position: relative;
  overflow: hidden;
}

.cat-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(21, 44, 64, 0.08), transparent 58%);
  opacity: 0;
  z-index: 2;
  pointer-events: none;
}

.cat-card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: rgba(21, 44, 64, 0.06);
}

.cat-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 0.65s var(--ease-out);
}

.cat-card:hover .cat-card__media img {
  transform: scale(1.03);
}

.cat-card__label {
  position: relative;
  z-index: 3;
  display: block;
  padding: 1.15rem 1.25rem 1.35rem;
  letter-spacing: 0.045em;
  line-height: 1.55;
}

.hero-photo-frame {
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--line);
}

.hero-photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.92;
  transform: scale(1.02);
  transition: transform 0.75s var(--ease-out), opacity 0.5s var(--ease-soft);
}

.hero-photo-frame:hover img {
  transform: scale(1.03);
}

.hero-photo-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(125deg, rgba(252, 252, 253, 0.55) 0%, transparent 42%, rgba(21, 44, 64, 0.18) 100%);
  pointer-events: none;
}

.company-strip {
  margin-bottom: clamp(1.75rem, 3vw, 2.25rem);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  aspect-ratio: 21 / 9;
  max-height: 320px;
  background: rgba(21, 44, 64, 0.06);
}

.company-strip img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@media (max-width: 720px) {
  .company-strip {
    aspect-ratio: 16 / 10;
    max-height: 220px;
  }
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.85rem;
}

@media (min-width: 900px) {
  .photo-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
  }

  .photo-grid--wide {
    grid-template-columns: repeat(6, 1fr);
  }
}

.photo-tile {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  aspect-ratio: 4 / 3;
  background: rgba(21, 44, 64, 0.05);
}

.photo-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.02);
  transition: transform 0.65s var(--ease-out);
}

.photo-tile:hover img {
  transform: scale(1.03);
}

.photo-tile--tall {
  grid-row: span 2;
  aspect-ratio: auto;
  min-height: 280px;
}

.photo-tile figcaption {
  display: none;
}

.section-gallery .section-head {
  margin-bottom: 1.75rem;
}

.page-hero-visual {
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-hero-banner {
  margin-top: 1.25rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-md), 0 0 0 1px var(--gold-soft);
  aspect-ratio: 21 / 9;
  max-height: 280px;
}

.page-hero-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.02);
  transition: transform 0.65s var(--ease-out);
}

.page-hero-banner:hover img {
  transform: scale(1.03);
}

/* 取扱品目：5カテゴリを一覧表示（各画像に見出しを重ねて誤解を防ぐ） */
.product-lines-hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: 1rem;
  margin-top: 1.35rem;
}

.product-lines-hero-grid figure {
  position: relative;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-md), 0 0 0 1px var(--gold-soft);
  aspect-ratio: 4 / 3;
  background: rgba(42, 45, 50, 0.06);
}

.product-lines-hero-grid figure:focus-within {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.product-lines-hero-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.02);
  transition: transform 0.65s var(--ease-out);
}

.product-lines-hero-grid figure:hover img {
  transform: scale(1.03);
}

.product-lines-hero-grid figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1rem 1rem 0.85rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.45;
  color: #fff;
  background: linear-gradient(180deg, transparent 0%, rgba(20, 24, 28, 0.55) 38%, rgba(20, 24, 28, 0.88) 100%);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}

.about-visual-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
  margin-bottom: clamp(1.5rem, 3vw, 2rem);
}

.about-visual-row figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16 / 11;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.about-visual-row img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 0.65s var(--ease-out);
}

.about-visual-row figure:hover img {
  transform: scale(1.03);
}

@media (max-width: 720px) {
  .about-visual-row {
    grid-template-columns: 1fr;
  }
}

.contact-visual-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.contact-visual-row figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--line);
}

.contact-visual-row img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 0.65s var(--ease-out);
}

.contact-visual-row figure:hover img {
  transform: scale(1.03);
}

@media (max-width: 600px) {
  .contact-visual-row {
    grid-template-columns: 1fr;
  }
}

.split-about {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 3vw, 2rem);
}

@media (min-width: 960px) {
  .split-about {
    grid-template-columns: 1fr 1fr;
    align-items: start;
    gap: 2rem;
  }

  .split-about .about-visual-stack {
    position: sticky;
    top: calc(var(--header-h) + 1rem);
  }
}

.about-visual-stack {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

.about-visual-stack figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 1;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.about-visual-stack img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 0.65s var(--ease-out);
}

.about-visual-stack figure:hover img {
  transform: scale(1.03);
}

.about-visual-stack figure:first-child {
  grid-column: 1 / -1;
  aspect-ratio: 16 / 10;
}

.about-block {
  background: var(--surface-elevated);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 4vw, 2.75rem);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255, 255, 255, 0.9);
  position: relative;
  overflow: hidden;
}

.about-block::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light), var(--gold));
  opacity: 0.85;
}

.about-block::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 42%;
  height: 100%;
  background: linear-gradient(95deg, transparent, rgba(21, 44, 64, 0.028));
  pointer-events: none;
}

.about-block p {
  font-size: 1.125rem;
  color: var(--ink-soft);
  margin-bottom: 1.15rem;
  max-width: none;
  position: relative;
  z-index: 1;
  line-height: 1.92;
  letter-spacing: 0.035em;
}

.prose-ja,
.about-zh {
  font-feature-settings: "palt" 1;
  line-height: 1.92;
  letter-spacing: 0.035em;
  overflow-wrap: anywhere;
  word-break: normal;
  line-break: strict;
}

.prose-ja a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

.prose-ja a:hover {
  color: var(--accent-mid);
}

.prose-ja a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.values {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.65rem;
  position: relative;
  z-index: 1;
}

.value-chip {
  padding: 0.55rem 1.15rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(21, 44, 64, 0.06), rgba(21, 44, 64, 0.04));
  color: var(--accent);
  border: 1px solid var(--ring-accent);
}

.contact-note {
  font-size: 1rem;
  color: var(--ink-soft);
  line-height: 1.85;
  letter-spacing: 0.035em;
}

footer {
  padding: 2.75rem 0 2.25rem;
  border-top: 1px solid var(--line);
  background: linear-gradient(185deg, #f9fafb 0%, #ecedf1 55%, #e6e8ed 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
}

.footer-inner {
  width: min(1180px, 100% - 48px);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1.5rem;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--accent);
  letter-spacing: 0.16em;
  margin-bottom: 0.4rem;
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--ink-soft);
  letter-spacing: 0.05em;
}

.footer-meta {
  font-size: 0.8125rem;
  color: var(--ink-soft);
  text-align: right;
  line-height: 1.85;
  letter-spacing: 0.04em;
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
  margin: 1.5rem 0;
}

.page-hero {
  padding: clamp(3rem, 6vw, 4rem) 0 2rem;
  position: relative;
}

.page-hero .section-inner {
  max-width: 720px;
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.7vw, 2.05rem);
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--ink);
  line-height: 1.38;
}

.page-hero p {
  margin-top: 0.85rem;
  font-size: 0.9375rem;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  line-height: 1.8;
}

.motion-img {
  filter: drop-shadow(0 10px 28px rgba(12, 17, 24, 0.08));
}