:root {
  --paper: #fbfaf6;
  --mist: #eef4f1;
  --ink: #182f3a;
  --ink-soft: #617782;
  --line: rgba(24, 47, 58, 0.12);
  --blue: #26506a;
  --green: #637f67;
  --coral: #c36f5c;
  --gold: #b99056;
  --card: rgba(255, 255, 255, 0.78);
  --shadow: 0 24px 70px rgba(27, 52, 64, 0.13);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", "Microsoft YaHei UI", "Segoe UI", sans-serif;
  background:
    linear-gradient(120deg, rgba(238, 244, 241, 0.88), rgba(251, 250, 246, 0.92) 46%, rgba(241, 236, 225, 0.9)),
    var(--paper);
}

.site-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(24, 47, 58, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 47, 58, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.86), transparent 94%);
}

a,
button {
  transition: transform 180ms ease, color 180ms ease, background-color 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

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

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

.page-shell {
  position: relative;
  z-index: 1;
  width: min(1360px, calc(100% - 40px));
  margin: 0 auto;
  padding-bottom: 28px;
}

.site-header {
  position: sticky;
  top: 16px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 18px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(251, 250, 246, 0.8);
  backdrop-filter: blur(18px);
  box-shadow: 0 16px 42px rgba(24, 47, 58, 0.09);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  gap: 12px;
}

.brand-logo {
  width: 46px;
  height: 46px;
  object-fit: contain;
}

.brand-copy {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.brand-copy strong {
  font-size: 1rem;
  white-space: nowrap;
}

.brand-copy small {
  color: var(--ink-soft);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
}

.site-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 17px;
}

.site-nav a {
  color: var(--ink-soft);
  font-size: 0.94rem;
  border-bottom: 1px solid transparent;
}

.site-nav a:hover,
.site-nav a.is-current {
  color: var(--blue);
  border-color: var(--blue);
}

main {
  display: grid;
  gap: 28px;
  padding-top: 28px;
}

.hero,
.page-hero,
.section-block {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(0, 1.02fr);
  gap: 34px;
  align-items: center;
  min-height: calc(100vh - 128px);
  padding: 32px;
  background: rgba(255, 255, 255, 0.62);
  overflow: hidden;
}

.hero-media {
  height: min(620px, calc(100vh - 188px));
  min-height: 460px;
  border-radius: 24px;
  overflow: hidden;
  background: var(--mist);
}

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

.hero-copy,
.section-heading,
.feature-card,
.split-main,
.info-card,
.company-panel,
.cta-banner,
.notice-card,
.metric-row,
.product-story,
.product-gallery,
.image-grid,
.scene-grid,
.operation-grid,
.wide-product-photo,
.visual-hero-photo,
.job-panel,
.page-hero > div,
.hero-media {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 650ms ease, transform 650ms ease;
}

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

.hero-copy {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-right: 10px;
}

.eyebrow {
  margin: 0;
  color: var(--coral);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1,
.page-hero h1,
.section-heading h2,
.split-main h2,
.cta-banner h2 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: 0;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", "Times New Roman", serif;
}

.hero h1 {
  max-width: 11ch;
  font-size: clamp(3.1rem, 6.4vw, 6.8rem);
}

.page-hero h1,
.section-heading h2,
.split-main h2,
.cta-banner h2 {
  font-size: clamp(2rem, 3.4vw, 3.6rem);
}

.hero-text,
.page-hero-text,
.section-heading p,
.feature-card p,
.split-main p,
.info-card p,
.company-panel p,
.product-story p,
.metric-row p,
.contact-note,
.notice-card p,
.site-footer p,
.job-list dd {
  color: var(--ink-soft);
  line-height: 1.85;
}

.hero-text,
.page-hero-text {
  max-width: 62ch;
  margin: 0;
  font-size: 1.06rem;
}

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

.primary-btn,
.secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 156px;
  padding: 13px 20px;
  border-radius: 999px;
  font-weight: 700;
}

.primary-btn {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), #2f6f7c);
  box-shadow: 0 16px 36px rgba(38, 80, 106, 0.2);
}

.secondary-btn {
  color: var(--blue);
  border: 1px solid rgba(38, 80, 106, 0.22);
  background: rgba(255, 255, 255, 0.66);
}

.primary-btn:hover,
.secondary-btn:hover,
.feature-card:hover,
.info-card:hover,
.company-panel:hover,
.notice-card:hover {
  transform: translateY(-2px);
}

.page-hero,
.section-block {
  padding: 42px;
  background: rgba(255, 255, 255, 0.66);
}

.page-hero {
  min-height: 360px;
  display: flex;
  align-items: center;
}

.visual-page-hero {
  position: relative;
  display: block;
  min-height: 540px;
  padding: 28px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.72);
}

.visual-hero-photo {
  position: absolute;
  inset: 28px;
  margin: 0;
  overflow: hidden;
  border-radius: calc(var(--radius-xl) - 8px);
  background: var(--mist);
}

.visual-hero-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(251, 250, 246, 0.92), rgba(251, 250, 246, 0.62) 34%, rgba(251, 250, 246, 0.08) 68%),
    linear-gradient(180deg, rgba(24, 47, 58, 0.02), rgba(24, 47, 58, 0.1));
}

.visual-hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.visual-hero-copy {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 14px;
  width: min(560px, 52%);
  margin: 42px 0 0 34px;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.68);
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 52px rgba(24, 47, 58, 0.12);
}

.contact-visual-hero .visual-hero-photo::after {
  background:
    linear-gradient(90deg, rgba(251, 250, 246, 0.94), rgba(251, 250, 246, 0.64) 36%, rgba(251, 250, 246, 0.06) 72%),
    linear-gradient(180deg, rgba(24, 47, 58, 0.04), rgba(24, 47, 58, 0.14));
}

.company-visual-hero .visual-hero-photo::after {
  background:
    linear-gradient(90deg, rgba(251, 250, 246, 0.93), rgba(251, 250, 246, 0.58) 34%, rgba(251, 250, 246, 0.04) 70%),
    linear-gradient(180deg, rgba(24, 47, 58, 0.02), rgba(24, 47, 58, 0.1));
}

.section-heading {
  display: grid;
  gap: 12px;
  max-width: 820px;
  margin-bottom: 28px;
}

.intro-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.68fr);
  gap: 28px;
  align-items: end;
}

.metric-row {
  display: grid;
  gap: 14px;
}

.metric-row article,
.feature-card,
.info-card,
.company-panel,
.notice-card,
.job-panel,
.process-grid article,
.service-grid article,
.audience-grid article,
.work-grid article {
  border: 1px solid rgba(24, 47, 58, 0.1);
  border-radius: var(--radius-lg);
  background: var(--card);
  box-shadow: 0 18px 44px rgba(24, 47, 58, 0.08);
}

.metric-row article {
  padding: 18px;
}

.metric-row span,
.card-index,
.panel-kicker,
.job-title span {
  color: var(--coral);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.metric-row strong,
.feature-card h3,
.info-card strong,
.company-panel h3,
.product-story h3,
.job-title h3,
.process-grid h3,
.service-grid h3,
.audience-grid strong,
.work-grid strong {
  display: block;
  margin: 8px 0 8px;
  color: var(--ink);
  font-size: 1.35rem;
}

.process-grid,
.service-grid,
.audience-grid,
.work-grid {
  display: grid;
  gap: 16px;
}

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

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

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

.process-grid article,
.service-grid article,
.audience-grid article,
.work-grid article {
  padding: 24px;
}

.process-grid span {
  color: var(--coral);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.process-grid p,
.service-grid p,
.audience-grid p,
.work-grid p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.8;
}

.feature-grid,
.business-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.feature-card {
  min-height: 250px;
  padding: 24px;
}

.tall-card {
  min-height: 270px;
}

.product-showcase {
  display: grid;
  gap: 34px;
}

.product-split {
  display: grid;
  grid-template-columns: minmax(280px, 0.36fr) minmax(0, 1fr);
  gap: 24px;
  align-items: center;
}

.product-split.reverse {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.36fr);
}

.product-split.reverse .product-story {
  order: 2;
}

.product-story {
  padding: 26px;
  border-left: 4px solid var(--green);
}

.product-gallery {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.product-gallery img,
.image-grid img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  padding: 16px;
  border-radius: var(--radius-md);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.86), rgba(238, 244, 241, 0.78));
  border: 1px solid rgba(24, 47, 58, 0.08);
}

.soft-gallery img {
  background: linear-gradient(135deg, rgba(255, 248, 248, 0.9), rgba(238, 244, 241, 0.76));
}

.bamboo-gallery img,
.bamboo-grid img {
  background: linear-gradient(135deg, rgba(251, 250, 246, 0.9), rgba(231, 238, 230, 0.74));
}

.gallery-section {
  overflow: hidden;
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
}

.wide-product-photo {
  margin: 0 0 18px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--mist);
  box-shadow: 0 18px 44px rgba(24, 47, 58, 0.08);
}

.wide-product-photo img {
  width: 100%;
  aspect-ratio: 2.33 / 1;
  object-fit: cover;
}

.scene-section {
  overflow: hidden;
}

.scene-grid,
.operation-grid {
  display: grid;
  gap: 16px;
}

.scene-grid {
  grid-template-columns: 1.15fr 0.85fr 0.85fr;
}

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

.scene-card,
.operation-grid figure {
  position: relative;
  min-height: 280px;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(24, 47, 58, 0.1);
  border-radius: var(--radius-lg);
  background: var(--mist);
  box-shadow: 0 18px 44px rgba(24, 47, 58, 0.08);
}

.scene-card-large {
  min-height: 380px;
}

.scene-card img,
.operation-grid img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.96) contrast(1.02);
}

.scene-card figcaption,
.operation-grid figcaption {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 999px;
  color: #fff;
  font-weight: 700;
  background: rgba(24, 47, 58, 0.58);
  backdrop-filter: blur(12px);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 20px;
}

.split-main {
  padding: 32px;
  border-radius: var(--radius-lg);
  color: #fff;
  background:
    linear-gradient(135deg, rgba(38, 80, 106, 0.97), rgba(99, 127, 103, 0.93));
  box-shadow: 0 24px 56px rgba(24, 47, 58, 0.16);
}

.split-main .eyebrow,
.cta-banner .eyebrow {
  color: #f3d4c7;
}

.split-main p,
.cta-banner p {
  color: rgba(255, 255, 255, 0.82);
}

.split-side {
  display: grid;
  gap: 16px;
}

.info-card {
  padding: 24px;
}

.cta-block {
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.cta-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 34px;
  border-radius: var(--radius-xl);
  color: #fff;
  background:
    linear-gradient(135deg, rgba(38, 80, 106, 0.98), rgba(195, 111, 92, 0.88));
  box-shadow: 0 24px 56px rgba(24, 47, 58, 0.18);
}

.company-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 18px;
}

.single-grid {
  grid-template-columns: 1fr;
}

.company-panel,
.job-panel {
  padding: 26px;
}

.profile-list,
.job-list {
  display: grid;
  gap: 18px;
  margin: 0;
}

.profile-list div,
.job-list div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(24, 47, 58, 0.08);
}

.profile-list div:last-child,
.job-list div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.profile-list dt,
.job-list dt {
  color: var(--blue);
  font-weight: 700;
}

.profile-list dd,
.job-list dd {
  margin: 0;
  font-weight: 700;
}

.contact-panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.contact-list li {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(238, 244, 241, 0.8);
}

.contact-list span {
  color: var(--coral);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-list a {
  color: var(--ink);
  font-weight: 700;
  word-break: break-all;
}

.job-panel {
  display: grid;
  grid-template-columns: minmax(240px, 0.36fr) minmax(0, 1fr);
  gap: 24px;
}

.job-stack {
  display: grid;
  gap: 18px;
}

.job-title {
  padding: 24px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(238, 244, 241, 0.9), rgba(255, 255, 255, 0.78));
}

.site-footer {
  padding: 28px 6px 8px;
}

.footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 18px;
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.site-footer p {
  margin: 0;
  text-align: center;
}

@media (max-width: 1120px) {
  .hero,
  .intro-band,
  .split-section,
  .company-grid,
  .job-panel,
  .product-split,
  .product-split.reverse {
    grid-template-columns: 1fr;
  }

  .visual-hero-copy {
    width: min(640px, calc(100% - 40px));
  }

  .product-split.reverse .product-story {
    order: initial;
  }

  .feature-grid,
  .business-grid,
  .process-grid,
  .service-grid,
  .audience-grid,
  .work-grid,
  .scene-grid,
  .operation-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 820px) {
  .page-shell {
    width: min(100% - 22px, 1360px);
  }

  .site-header {
    position: relative;
    top: auto;
    flex-direction: column;
    align-items: flex-start;
    border-radius: 22px;
  }

  .site-nav {
    gap: 12px;
  }

  .hero,
  .page-hero,
  .section-block {
    padding: 22px;
    border-radius: 22px;
  }

  .hero {
    min-height: auto;
  }

  .hero-media {
    min-height: 360px;
    height: 58vh;
  }

  .visual-page-hero {
    min-height: 600px;
    padding: 18px;
  }

  .visual-hero-photo {
    inset: 18px;
  }

  .visual-hero-photo::after {
    background:
      linear-gradient(180deg, rgba(251, 250, 246, 0.92), rgba(251, 250, 246, 0.48) 46%, rgba(251, 250, 246, 0.02)),
      linear-gradient(180deg, rgba(24, 47, 58, 0.02), rgba(24, 47, 58, 0.12));
  }

  .visual-hero-copy {
    width: auto;
    margin: 20px;
    padding: 22px;
  }

  .hero h1 {
    font-size: 3rem;
  }

  .product-gallery,
  .feature-grid,
  .business-grid,
  .image-grid,
  .process-grid,
  .service-grid,
  .audience-grid,
  .work-grid,
  .scene-grid,
  .operation-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .profile-list div,
  .job-list div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .cta-banner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 520px) {
  .brand-copy small {
    display: none;
  }

  .site-nav a {
    font-size: 0.88rem;
  }

  .product-gallery,
  .image-grid,
  .process-grid,
  .service-grid,
  .audience-grid,
  .work-grid,
  .scene-grid,
  .operation-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 2.45rem;
  }
}