/* ============================================================
   065 株式会社〇〇建築模型 — STUDIO MODELS
   建築模型・建築パース制作 / アートピース型ギャラリー
   オフホワイト #f4f1ea / チャコール #2c2c2a / クリーム #ebe4d2 / アクセント #8c7a5c
   ============================================================ */

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

:root {
  --offwhite: #f4f1ea;
  --offwhite-2: #ece8df;
  --cream: #ebe4d2;
  --cream-2: #e0d6bd;
  --charcoal: #2c2c2a;
  --charcoal-2: #4a4a47;
  --accent: #8c7a5c;
  --accent-deep: #6a5a40;
  --line: rgba(44,44,42,0.12);
  --line-strong: rgba(44,44,42,0.28);
  --shadow-floor: 0 60px 80px -40px rgba(44,44,42,0.35);
  --shadow-soft: 0 24px 40px -28px rgba(44,44,42,0.25);
  --serif: 'Playfair Display', 'Noto Serif JP', serif;
  --jp-serif: 'Noto Serif JP', serif;
  --sans: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --sidebar-w: 220px;
}

html, body { overflow-x: hidden; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--charcoal);
  background: var(--offwhite);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  letter-spacing: 0.02em;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: opacity .3s ease, color .3s ease; }
a:hover { opacity: .65; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
::selection { background: var(--charcoal); color: var(--cream); }

/* ─── DEMO BAR ─────────────────────────────────────────── */
#demo-bar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(28,28,26,0.96);
  backdrop-filter: blur(12px);
  padding: 7px 0;
}
#demo-bar .container { max-width: 1400px; margin: 0 auto; padding: 0 24px; }
.demo-bar-inner {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  font-size: 0.7rem; color: rgba(244,241,234,0.4);
}
.demo-badge {
  font-size: 0.54rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase;
  background: rgba(140,122,92,0.2); color: var(--cream);
  padding: 3px 10px; flex-shrink: 0;
}
.demo-link { color: var(--cream); font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
.demo-copy { color: rgba(244,241,234,0.2); font-size: 0.62rem; margin-left: 4px; }
@media(max-width:640px){ .demo-copy { display: none; } }

/* ─── SIDEBAR NAV (left vertical) ─────────────────────── */
.site-header {
  position: fixed;
  top: 36px; left: 0;
  width: var(--sidebar-w);
  height: calc(100vh - 36px);
  background: var(--offwhite);
  border-right: 1px solid var(--line);
  z-index: 90;
  padding: 48px 32px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.site-logo {
  display: block;
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.1;
}
.site-logo .logo-en {
  display: block;
  font-size: 1.5rem;
  color: var(--charcoal);
}
.site-logo .logo-en em {
  display: block;
  font-style: italic;
  font-weight: 300;
  font-size: 1.1rem;
  color: var(--accent);
  margin-top: 2px;
}
.site-logo .logo-jp {
  display: block;
  font-family: var(--jp-serif);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--charcoal-2);
  margin-top: 16px;
}

.header-nav {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 64px;
}
.header-nav a {
  display: block;
  font-family: var(--serif);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  color: var(--charcoal);
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: padding .4s ease, color .3s ease;
}
.header-nav a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width .4s ease;
}
.header-nav a:hover {
  opacity: 1;
  color: var(--accent);
  padding-left: 18px;
}
.header-nav a:hover::before { width: 12px; }
.header-nav a .nav-num {
  font-family: var(--sans);
  font-size: 0.6rem;
  color: var(--accent);
  margin-right: 10px;
  font-weight: 500;
}
.header-nav a .nav-jp {
  display: block;
  font-family: var(--jp-serif);
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  color: var(--charcoal-2);
  margin-top: 2px;
  font-weight: 400;
}

.site-header-foot {
  font-family: var(--jp-serif);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--charcoal-2);
  line-height: 1.8;
}
.site-header-foot a { color: var(--accent); }

/* ─── HAMBURGER (mobile only) ─────────────────────────── */
.mobile-toggle {
  display: none;
  position: fixed;
  top: 50px;
  right: 24px;
  width: 44px;
  height: 44px;
  z-index: 1100;
  background: var(--offwhite);
  border: 1px solid var(--line);
}
.mobile-toggle span {
  position: absolute;
  left: 12px; right: 12px;
  height: 1px;
  background: var(--charcoal);
  transition: transform .3s ease, opacity .3s ease, top .3s ease;
}
.mobile-toggle span:nth-child(1) { top: 17px; }
.mobile-toggle span:nth-child(2) { top: 22px; }
.mobile-toggle span:nth-child(3) { top: 27px; }
.mobile-toggle.is-open span:nth-child(1) { top: 22px; transform: rotate(45deg); }
.mobile-toggle.is-open span:nth-child(2) { opacity: 0; }
.mobile-toggle.is-open span:nth-child(3) { top: 22px; transform: rotate(-45deg); }

/* ─── MAIN LAYOUT ─────────────────────────────────────── */
.main {
  margin-left: var(--sidebar-w);
  padding-top: 36px;
  min-height: 100vh;
}
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 64px;
}

/* ─── REVEAL ANIMATION (LAYERED) ──────────────────────── */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 1.1s ease, transform 1.1s ease; }
.reveal.show { opacity: 1; transform: translateY(0); }
.reveal-shadow { opacity: 0; transform: scaleY(0.4); transform-origin: center top; transition: opacity 1.2s ease, transform 1.2s ease; }
.reveal-shadow.show { opacity: 1; transform: scaleY(1); transition-delay: 0s; }
.reveal-model { opacity: 0; transform: translateY(40px) scale(0.97); transition: opacity 1.3s ease, transform 1.3s ease; }
.reveal-model.show { opacity: 1; transform: translateY(0) scale(1); transition-delay: 0.4s; }
.reveal-text { opacity: 0; transform: translateY(20px); transition: opacity 1s ease, transform 1s ease; }
.reveal-text.show { opacity: 1; transform: translateY(0); transition-delay: 0.9s; }
.reveal-text.delay-1 { transition-delay: 1.1s; }
.reveal-text.delay-2 { transition-delay: 1.3s; }

/* ─── HERO (CENTER STAGE) ─────────────────────────────── */
.hero {
  min-height: calc(100vh - 36px);
  padding: 80px 64px 100px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, var(--offwhite) 0%, var(--offwhite-2) 60%, var(--cream) 100%);
  position: relative;
}
.hero-eyebrow {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 0.95rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  margin-bottom: 8px;
}
.hero-en {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(0.9rem, 1.2vw, 1.05rem);
  letter-spacing: 0.6em;
  color: var(--charcoal);
  text-transform: uppercase;
  margin-bottom: 56px;
  text-align: center;
}
.hero-stage {
  position: relative;
  width: 100%;
  max-width: 880px;
  aspect-ratio: 16 / 10;
  margin-bottom: 48px;
}
.hero-model {
  position: absolute;
  inset: 0;
  background: var(--cream-2);
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow-floor);
}
.hero-shadow {
  position: absolute;
  bottom: -28px;
  left: 6%;
  right: 6%;
  height: 60px;
  background: radial-gradient(ellipse at center, rgba(44,44,42,0.32) 0%, rgba(44,44,42,0) 70%);
  filter: blur(12px);
  z-index: -1;
}
.hero-jp {
  font-family: var(--jp-serif);
  font-weight: 300;
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  letter-spacing: 0.18em;
  color: var(--charcoal);
  text-align: center;
  margin-top: 32px;
  margin-bottom: 16px;
  line-height: 1.4;
}
.hero-jp em {
  font-style: normal;
  color: var(--accent);
}
.hero-sub {
  font-family: var(--jp-serif);
  font-weight: 300;
  font-size: 0.95rem;
  letter-spacing: 0.2em;
  color: var(--charcoal-2);
  text-align: center;
  max-width: 520px;
  line-height: 2;
}
.hero-meta {
  position: absolute;
  bottom: 32px;
  left: 64px;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 0.78rem;
  color: var(--charcoal-2);
  letter-spacing: 0.1em;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hero-meta .meta-num {
  color: var(--accent);
  font-weight: 500;
}
.hero-scroll {
  position: absolute;
  bottom: 32px;
  right: 64px;
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--charcoal-2);
  display: flex;
  align-items: center;
  gap: 12px;
  writing-mode: vertical-rl;
}
.hero-scroll::after {
  content: '';
  display: block;
  width: 1px;
  height: 56px;
  background: var(--accent);
}

/* ─── SECTION COMMON ──────────────────────────────────── */
section {
  padding: 140px 0;
  position: relative;
}
.section-head {
  display: flex;
  align-items: baseline;
  gap: 32px;
  margin-bottom: 80px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.section-head .sec-num {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 0.95rem;
  color: var(--accent);
}
.section-head .sec-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--charcoal);
  letter-spacing: 0.05em;
}
.section-head .sec-jp {
  font-family: var(--jp-serif);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--charcoal-2);
  margin-left: auto;
}

/* ─── ABOUT ───────────────────────────────────────────── */
.about {
  background: var(--offwhite);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: start;
}
.about-image {
  aspect-ratio: 4 / 5;
  background: var(--cream-2);
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow-soft);
  position: relative;
}
.about-image::after {
  content: 'Studio';
  position: absolute;
  bottom: -28px;
  right: -16px;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 4rem;
  color: var(--cream);
  z-index: -1;
}
.about-text h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  color: var(--charcoal);
  margin-bottom: 32px;
  line-height: 1.5;
  letter-spacing: 0.04em;
}
.about-text h3 em {
  font-style: italic;
  color: var(--accent);
  font-weight: 300;
}
.about-text p {
  font-family: var(--jp-serif);
  font-weight: 300;
  font-size: 0.95rem;
  line-height: 2.1;
  color: var(--charcoal-2);
  margin-bottom: 20px;
}
.about-quote {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 1.1rem;
  color: var(--charcoal);
  letter-spacing: 0.04em;
  line-height: 1.7;
}
.about-quote::before {
  content: '— ';
  color: var(--accent);
}

/* ─── SERVICE ─────────────────────────────────────────── */
.service {
  background: var(--offwhite-2);
}
.service-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
.service-item {
  display: grid;
  grid-template-columns: 80px 1fr 1.2fr;
  gap: 48px;
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
  transition: padding .4s ease;
}
.service-item:hover { padding-left: 24px; }
.service-item:last-child { border-bottom: none; }
.service-num {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 1.4rem;
  color: var(--accent);
  letter-spacing: 0.05em;
}
.service-title h4 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.6rem;
  color: var(--charcoal);
  letter-spacing: 0.04em;
  line-height: 1.4;
  margin-bottom: 8px;
}
.service-title h4 em {
  font-style: italic;
  font-weight: 300;
  color: var(--accent);
  display: block;
  font-size: 0.85rem;
  margin-top: 4px;
  letter-spacing: 0.1em;
}
.service-desc {
  font-family: var(--jp-serif);
  font-weight: 300;
  font-size: 0.9rem;
  line-height: 2;
  color: var(--charcoal-2);
}
.service-desc .scale-tag {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-top: 12px;
  border: 1px solid var(--line-strong);
  padding: 4px 10px;
}

/* ─── WORKS ───────────────────────────────────────────── */
.works {
  background: var(--offwhite);
}
.works-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 56px 48px;
}
.work-card {
  display: block;
  position: relative;
  cursor: pointer;
}
.work-card .work-img {
  aspect-ratio: 4 / 3;
  background: var(--cream-2);
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow-soft);
  margin-bottom: 24px;
  transition: transform .8s ease, box-shadow .8s ease;
}
.work-card:hover .work-img {
  transform: translateY(-4px);
  box-shadow: 0 32px 48px -28px rgba(44,44,42,0.32);
}
.work-card .work-num {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}
.work-card .work-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.3rem;
  color: var(--charcoal);
  letter-spacing: 0.04em;
  line-height: 1.5;
  margin-bottom: 8px;
}
.work-card .work-meta {
  font-family: var(--jp-serif);
  font-weight: 300;
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  color: var(--charcoal-2);
}
.work-card .work-meta span { margin-right: 12px; }
.work-card.featured { grid-column: span 2; }
.work-card.featured .work-img { aspect-ratio: 16 / 7; }

/* ─── NEWS (homepage excerpt) ─────────────────────────── */
.news {
  background: var(--cream);
}
.news-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
.news-item {
  display: grid;
  grid-template-columns: 140px 100px 1fr 80px;
  gap: 32px;
  align-items: center;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  transition: padding .3s ease;
}
.news-item:hover { padding-left: 16px; }
.news-date {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  color: var(--accent);
  letter-spacing: 0.08em;
  font-size: 0.95rem;
}
.news-cat {
  font-family: var(--sans);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--charcoal-2);
  border: 1px solid var(--line-strong);
  padding: 4px 10px;
  text-align: center;
  text-transform: uppercase;
}
.news-title {
  font-family: var(--jp-serif);
  font-weight: 400;
  font-size: 0.95rem;
  color: var(--charcoal);
  line-height: 1.6;
}
.news-arrow {
  font-family: var(--serif);
  font-style: italic;
  text-align: right;
  color: var(--accent);
}

/* ─── CTA ─────────────────────────────────────────────── */
.cta {
  background: var(--charcoal);
  color: var(--cream);
  text-align: center;
  padding: 140px 0;
}
.cta-eyebrow {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  color: var(--accent);
  letter-spacing: 0.15em;
  margin-bottom: 24px;
  font-size: 0.95rem;
}
.cta h2 {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2rem, 4vw, 3.2rem);
  color: var(--cream);
  letter-spacing: 0.06em;
  line-height: 1.4;
  margin-bottom: 16px;
}
.cta-jp {
  font-family: var(--jp-serif);
  font-weight: 300;
  font-size: 0.95rem;
  letter-spacing: 0.25em;
  color: rgba(235,228,210,0.6);
  margin-bottom: 56px;
}
.cta-btn {
  display: inline-block;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 1.05rem;
  letter-spacing: 0.15em;
  color: var(--cream);
  border: 1px solid rgba(235,228,210,0.4);
  padding: 22px 64px;
  transition: background .4s ease, color .4s ease, border-color .4s ease;
}
.cta-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--charcoal);
  opacity: 1;
}

/* ─── FOOTER ──────────────────────────────────────────── */
.site-footer {
  background: var(--offwhite-2);
  padding: 80px 0 40px;
  border-top: 1px solid var(--line);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 56px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 32px;
}
.footer-brand .footer-logo {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.4rem;
  letter-spacing: 0.04em;
  color: var(--charcoal);
  margin-bottom: 4px;
}
.footer-brand .footer-logo em {
  display: block;
  font-style: italic;
  font-weight: 300;
  font-size: 1rem;
  color: var(--accent);
}
.footer-brand p {
  font-family: var(--jp-serif);
  font-size: 0.75rem;
  line-height: 2;
  color: var(--charcoal-2);
  letter-spacing: 0.1em;
  margin-top: 24px;
}
.footer-col h5 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--charcoal);
  margin-bottom: 20px;
  text-transform: uppercase;
}
.footer-col ul { list-style: none; }
.footer-col li {
  font-family: var(--jp-serif);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.footer-col a { color: var(--charcoal-2); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  font-family: var(--serif);
  font-size: 0.75rem;
  font-style: italic;
  color: var(--charcoal-2);
  letter-spacing: 0.1em;
}

/* ─── PAGE HEADER (sub-pages) ─────────────────────────── */
.page-header {
  padding: 140px 0 80px;
  background: linear-gradient(180deg, var(--offwhite) 0%, var(--cream) 100%);
  border-bottom: 1px solid var(--line);
}
.page-header .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.page-header .ph-num {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 0.95rem;
  color: var(--accent);
  letter-spacing: 0.15em;
}
.page-header h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.4rem, 5vw, 4rem);
  color: var(--charcoal);
  letter-spacing: 0.05em;
  line-height: 1.2;
}
.page-header h1 em { font-style: italic; color: var(--accent); font-weight: 300; }
.page-header .ph-jp {
  font-family: var(--jp-serif);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  color: var(--charcoal-2);
  margin-top: 8px;
}
.page-header .ph-lead {
  font-family: var(--jp-serif);
  font-size: 0.95rem;
  line-height: 2;
  color: var(--charcoal-2);
  margin-top: 32px;
  max-width: 720px;
}

/* ─── ABOUT PAGE ──────────────────────────────────────── */
.profile-block {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  margin-bottom: 120px;
}
.profile-img {
  aspect-ratio: 4 / 5;
  background: var(--cream-2);
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow-soft);
}
.profile-text h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.6rem;
  margin-bottom: 32px;
  letter-spacing: 0.04em;
  color: var(--charcoal);
}
.profile-text h3 em {
  display: block;
  font-style: italic;
  font-weight: 300;
  color: var(--accent);
  font-size: 0.85rem;
  margin-top: 6px;
  letter-spacing: 0.15em;
}
.profile-text p {
  font-family: var(--jp-serif);
  font-weight: 300;
  font-size: 0.92rem;
  line-height: 2.1;
  color: var(--charcoal-2);
  margin-bottom: 20px;
}
.profile-sign {
  margin-top: 40px;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  color: var(--charcoal);
}
.profile-sign strong {
  font-family: var(--jp-serif);
  font-weight: 500;
  font-size: 1.1rem;
  letter-spacing: 0.3em;
  display: block;
  margin-top: 4px;
}

.history {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-bottom: 120px;
}
.history-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 48px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}
.history-year {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 1.4rem;
  color: var(--accent);
  letter-spacing: 0.05em;
}
.history-text {
  font-family: var(--jp-serif);
  font-weight: 300;
  font-size: 0.92rem;
  line-height: 2;
  color: var(--charcoal-2);
}
.history-text strong {
  display: block;
  color: var(--charcoal);
  font-weight: 500;
  margin-bottom: 4px;
}

.studio-block {
  background: var(--cream);
  padding: 80px 64px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.studio-block h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.6rem;
  margin-bottom: 24px;
  color: var(--charcoal);
  letter-spacing: 0.04em;
}
.studio-block p {
  font-family: var(--jp-serif);
  font-weight: 300;
  line-height: 2;
  color: var(--charcoal-2);
  font-size: 0.9rem;
  margin-bottom: 16px;
}
.studio-info {
  font-family: var(--jp-serif);
  font-size: 0.85rem;
  line-height: 2.2;
  color: var(--charcoal-2);
}
.studio-info dt {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.78rem;
  color: var(--accent);
  margin-top: 16px;
  letter-spacing: 0.1em;
}
.studio-info dt:first-child { margin-top: 0; }
.studio-info dd { color: var(--charcoal); padding-left: 0; }

/* ─── SERVICE PAGE ───────────────────────────────────── */
.flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  margin-bottom: 120px;
}
.flow-step {
  text-align: center;
  position: relative;
  padding-top: 80px;
}
.flow-step::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 50%;
  transform: translateX(-50%);
  width: 56px;
  height: 1px;
  background: var(--accent);
}
.flow-step .flow-num {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 1.4rem;
  color: var(--accent);
}
.flow-step h5 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.05rem;
  letter-spacing: 0.05em;
  color: var(--charcoal);
  margin-bottom: 12px;
}
.flow-step p {
  font-family: var(--jp-serif);
  font-weight: 300;
  font-size: 0.78rem;
  line-height: 1.9;
  color: var(--charcoal-2);
}

.strengths {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 56px;
}
.strength-item {
  border-top: 1px solid var(--line-strong);
  padding-top: 32px;
}
.strength-item .str-num {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  color: var(--accent);
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.strength-item h4 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.4rem;
  letter-spacing: 0.04em;
  color: var(--charcoal);
  margin-bottom: 16px;
  line-height: 1.5;
}
.strength-item p {
  font-family: var(--jp-serif);
  font-weight: 300;
  font-size: 0.88rem;
  line-height: 2;
  color: var(--charcoal-2);
}

/* ─── WORKS PAGE GRID ─────────────────────────────────── */
.works-page-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 56px 32px;
}
.works-page-grid .work-card.featured { grid-column: span 3; }
@media (max-width: 1100px) {
  .works-page-grid { grid-template-columns: repeat(2, 1fr); }
  .works-page-grid .work-card.featured { grid-column: span 2; }
}

/* ─── RECRUIT PAGE ────────────────────────────────────── */
.recruit-intro {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  margin-bottom: 120px;
}
.recruit-intro h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.8rem;
  letter-spacing: 0.04em;
  color: var(--charcoal);
  line-height: 1.5;
}
.recruit-intro h3 em { font-style: italic; color: var(--accent); font-weight: 300; }
.recruit-intro p {
  font-family: var(--jp-serif);
  font-weight: 300;
  font-size: 0.95rem;
  line-height: 2.1;
  color: var(--charcoal-2);
  margin-bottom: 16px;
}
.recruit-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-bottom: 120px;
}
.recruit-pos {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}
.recruit-pos:first-child { border-top: 1px solid var(--line); }
.recruit-pos h4 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  color: var(--charcoal);
}
.recruit-pos h4 em {
  display: block;
  font-style: italic;
  font-weight: 300;
  color: var(--accent);
  font-size: 0.85rem;
  margin-top: 6px;
  letter-spacing: 0.15em;
}
.recruit-pos dl {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px 32px;
  font-family: var(--jp-serif);
  font-size: 0.88rem;
}
.recruit-pos dt {
  font-family: var(--serif);
  font-style: italic;
  color: var(--accent);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
}
.recruit-pos dd { color: var(--charcoal-2); line-height: 2; }

.benefits {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 120px;
}
.benefit-item {
  border-top: 1px solid var(--line-strong);
  padding-top: 24px;
}
.benefit-item h5 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--charcoal);
  margin-bottom: 8px;
}
.benefit-item p {
  font-family: var(--jp-serif);
  font-weight: 300;
  font-size: 0.78rem;
  line-height: 1.9;
  color: var(--charcoal-2);
}

/* ─── CONTACT FORM ────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
}
.contact-info {
  font-family: var(--jp-serif);
  font-size: 0.9rem;
  line-height: 2.1;
  color: var(--charcoal-2);
}
.contact-info dt {
  font-family: var(--serif);
  font-style: italic;
  color: var(--accent);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  margin-top: 24px;
}
.contact-info dt:first-child { margin-top: 0; }
.contact-info dd { color: var(--charcoal); }
.contact-form { display: grid; gap: 28px; }
.form-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 24px;
  align-items: start;
}
.form-row label {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.85rem;
  color: var(--charcoal);
  letter-spacing: 0.05em;
  padding-top: 12px;
}
.form-row label .req {
  color: var(--accent);
  font-style: normal;
  margin-left: 6px;
  font-size: 0.7rem;
}
.form-row input, .form-row textarea, .form-row select {
  font-family: var(--jp-serif);
  font-size: 0.92rem;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line-strong);
  padding: 12px 4px;
  color: var(--charcoal);
  width: 100%;
  outline: none;
  transition: border-color .3s ease;
}
.form-row textarea {
  resize: vertical;
  min-height: 140px;
  border: 1px solid var(--line-strong);
  padding: 16px;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus {
  border-color: var(--accent);
}
.form-submit {
  display: inline-block;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1rem;
  letter-spacing: 0.15em;
  color: var(--cream);
  background: var(--charcoal);
  border: 1px solid var(--charcoal);
  padding: 18px 64px;
  cursor: pointer;
  transition: background .3s ease, color .3s ease;
  width: fit-content;
  margin-left: 164px;
}
.form-submit:hover { background: var(--accent); border-color: var(--accent); color: var(--charcoal); }

/* ─── PRIVACY ─────────────────────────────────────────── */
.privacy-content {
  max-width: 760px;
  margin: 0 auto;
}
.privacy-content h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.2rem;
  margin: 48px 0 16px;
  color: var(--charcoal);
  letter-spacing: 0.04em;
}
.privacy-content h3 em {
  font-style: italic;
  color: var(--accent);
  font-weight: 300;
  font-size: 0.85rem;
  margin-right: 12px;
}
.privacy-content p {
  font-family: var(--jp-serif);
  font-weight: 300;
  font-size: 0.92rem;
  line-height: 2.1;
  color: var(--charcoal-2);
  margin-bottom: 16px;
}

/* ─── NEWS PAGE ──────────────────────────────────────── */
.news-page-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
.news-page-item {
  display: grid;
  grid-template-columns: 160px 120px 1fr;
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.news-page-item:hover { padding-left: 16px; transition: padding .3s ease; }

.news-article {
  max-width: 760px;
  margin: 0 auto;
}
.news-article .article-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  align-items: center;
}
.news-article .article-meta .cat {
  font-family: var(--sans);
  font-style: normal;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  border: 1px solid var(--line-strong);
  padding: 4px 10px;
  color: var(--charcoal-2);
  text-transform: uppercase;
}
.news-article h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  letter-spacing: 0.04em;
  color: var(--charcoal);
  line-height: 1.4;
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}
.news-article p {
  font-family: var(--jp-serif);
  font-weight: 300;
  font-size: 0.95rem;
  line-height: 2.2;
  color: var(--charcoal-2);
  margin-bottom: 24px;
}
.news-article h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.3rem;
  margin: 48px 0 20px;
  color: var(--charcoal);
}
.news-article h3 em { font-style: italic; color: var(--accent); margin-right: 12px; font-weight: 300; }
.back-link {
  display: inline-block;
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  font-family: var(--serif);
  font-style: italic;
  color: var(--accent);
  letter-spacing: 0.1em;
}

/* ─── RESPONSIVE ──────────────────────────────────────── */
@media (max-width: 1100px) {
  .about-grid { grid-template-columns: 1fr; gap: 56px; }
  .works-grid { grid-template-columns: 1fr; }
  .work-card.featured { grid-column: auto; }
  .work-card.featured .work-img { aspect-ratio: 4 / 3; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .strengths { grid-template-columns: 1fr; }
  .benefits { grid-template-columns: repeat(2, 1fr); }
  .profile-block, .recruit-intro, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .studio-block { grid-template-columns: 1fr; padding: 56px 32px; }
  .recruit-pos { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 900px) {
  :root { --sidebar-w: 0px; }
  .site-header {
    width: 100%;
    height: auto;
    flex-direction: row;
    align-items: center;
    padding: 16px 24px;
    border-right: none;
    border-bottom: 1px solid var(--line);
    background: var(--offwhite);
  }
  .site-logo .logo-jp { display: none; }
  .site-header-foot { display: none; }
  .header-nav {
    position: fixed;
    inset: 0;
    background: var(--offwhite) !important;
    z-index: 1000;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-top: 0;
    gap: 0;
    display: none;
    padding: 80px 32px 32px;
  }
  .header-nav.is-open { display: flex; }
  .header-nav a {
    width: 100%;
    max-width: 360px;
    text-align: center;
    border-bottom: 1px solid var(--line);
  }
  .header-nav a .nav-jp { display: inline-block; margin-left: 12px; }
  .site-header.menu-active {
    background: var(--offwhite) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
  .mobile-toggle { display: block; }
  .main { margin-left: 0; padding-top: 110px; }
  .container { padding: 0 24px; }
  section { padding: 80px 0; }
  .hero { padding: 48px 24px 80px; min-height: auto; }
  .hero-meta, .hero-scroll { position: static; margin-top: 32px; }
  .hero-scroll { writing-mode: horizontal-tb; }
  .hero-scroll::after { width: 56px; height: 1px; }
  .section-head { flex-wrap: wrap; gap: 16px; margin-bottom: 48px; }
  .section-head .sec-jp { margin-left: 0; flex-basis: 100%; }
  .service-item { grid-template-columns: 1fr; gap: 16px; }
  .news-item { grid-template-columns: 1fr; gap: 8px; padding: 20px 0; }
  .news-arrow { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; padding-bottom: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .flow { grid-template-columns: 1fr; gap: 16px; }
  .benefits { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; gap: 8px; }
  .form-submit { margin-left: 0; width: 100%; }
  .news-page-item { grid-template-columns: 1fr; gap: 8px; padding: 20px 0; }
  .page-header { padding: 48px 0 48px; }
  .history-item { grid-template-columns: 1fr; gap: 8px; }
}


/* ====================================================
   Visual safety override (2026-05-04 一括強制表示化)
   feedback_pre_upload_visual_check ルール準拠
   JS未発火時/画像非表示を防ぐため、すべての
   reveal系クラスを初期表示OKに強制
==================================================== */
.reveal, .reveal-up, .reveal-fade, .reveal-clip, .reveal-noren,
.scrub-item, .reveal-left, .reveal-right { 
  opacity: 1 !important; 
  transform: none !important; 
  clip-path: inset(0 0 0% 0) !important;
  -webkit-clip-path: inset(0 0 0% 0) !important;
}



/* ====================================================
   スマホ時 contact フォーム強制1カラム化（2026-05-05）
   2カラム表示で入力欄が狭くなる問題
==================================================== */
@media (max-width: 767px) {
    .form-row,
    .form-grid,
    .form-2col,
    .form-pair,
    .input-row,
    .input-grid,
    [class*="form-row"],
    [class*="form-grid"],
    [class*="two-col"] {
        display: block !important;
        grid-template-columns: 1fr !important;
    }
    form input[type="text"],
    form input[type="email"],
    form input[type="tel"],
    form input[type="number"],
    form textarea,
    form select,
    .form-row > input,
    .form-row > textarea,
    .form-row > select,
    .form-row > div,
    .form-grid > * {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box;
    }
    .form-row, .form-grid {
        margin-bottom: 1rem;
    }
}



/* ====================================================
   contact 1カラム化 強化版（2026-05-05・全クラス網羅）
==================================================== */
@media (max-width: 767px) {
    .contact-grid,
    .contact-form,
    .ct-grid,
    .ct-form,
    .booking-form,
    .reserve-form,
    .form-card,
    .form-wrap,
    .form-box,
    [class*="contact-grid"],
    [class*="contact-form"],
    [class*="ct-grid"],
    [class*="ct-form"] {
        display: block !important;
        grid-template-columns: 1fr !important;
    }
    .contact-grid > *,
    .contact-form > *,
    .ct-grid > *,
    .ct-form > *,
    .booking-form > *,
    .reserve-form > *,
    .form-card > *,
    .form-wrap > *,
    .form-box > * {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box;
    }
    .ct-budget-grid,
    .ct-field {
        grid-template-columns: 1fr !important;
        display: block !important;
    }
}

/* ====================================================
   横スクロール防止（2026-05-14 一括追加）
   CLAUDE.md ルール「html/body 両方に overflow-x:hidden」準拠
==================================================== */
html { overflow-x: hidden; }
body { overflow-x: hidden; }

/* ====================================================
   2カラム→1カラム化 B案（2026-05-15）
   左画像・右文章になりがちなキーワード対象
==================================================== */
@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr !important; gap: 28px !important; }
}

/* ====================================================
   多カラムgrid スマホ最適化（2026-05-15 千尋）
==================================================== */
@media (max-width: 768px) {
  /* 2カラム化（情報密度を保つ） */
  .strengths { grid-template-columns: repeat(2, 1fr) !important; gap: 18px !important; }
  .benefits { grid-template-columns: repeat(2, 1fr) !important; gap: 18px !important; }
  /* 1カラム化（流れ・5カラム以上） */
  .flow { grid-template-columns: 1fr !important; gap: 20px !important; }
}

/* ====================================================
   step/flow系 強制1カラム化（2026-05-15 千尋v2）
==================================================== */
@media (max-width: 768px) {
  .flow { grid-template-columns: 1fr !important; gap: 24px !important; }
}