/* ==========================================================
   〇〇 木匠 (KISHO) — Style
   Color: cream + wood-brown + moss-green
   Font:  Shippori Mincho × Cormorant Garamond × Noto Sans JP
   ========================================================== */

:root {
  --bg:        #f5f1e8;       /* cream */
  --bg-dark:   #ece5d2;
  --bg-card:   #faf6ec;
  --text:      #2c2418;       /* deep brown */
  --text-mute: #6e5f48;
  --wood:      #8b6f47;       /* wood brown accent */
  --wood-deep: #6b5333;
  --moss:      #5a6f4a;       /* moss green accent */
  --line:      #d4c9b0;
  --line-light:#e6dfd0;

  --serif-jp:  'Shippori Mincho', serif;
  --serif-en:  'Cormorant Garamond', serif;
  --sans:      'Noto Sans JP', system-ui, sans-serif;
}

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

html { overflow-x: hidden; scroll-behavior: smooth; }
body {
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 15px;
  line-height: 1.85;
  letter-spacing: 0.04em;
  -webkit-font-smoothing: antialiased;
  padding-top: 36px; /* for demo bar */
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .3s ease, opacity .3s ease; }
a:hover { color: var(--wood); }
em { font-style: normal; font-family: var(--serif-en); }

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ─── DEMO BAR ─────────────────────────────────────────── */
#demo-bar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1200;
  background: rgba(28, 22, 14, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(212, 201, 176, 0.15);
  padding: 8px 0;
}
.demo-bar-inner {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  font-size: 0.7rem; color: rgba(245, 241, 232, 0.45);
}
.demo-badge {
  font-size: 0.55rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase;
  background: rgba(139, 111, 71, 0.22); color: #d4b88a;
  padding: 3px 11px; flex-shrink: 0; border-radius: 1px;
}
.demo-link { color: #d4b88a; font-weight: 700; text-decoration: underline; text-underline-offset: 2px; }
.demo-copy { color: rgba(245, 241, 232, 0.22); font-size: 0.62rem; margin-left: 4px; }
@media(max-width:640px){ .demo-copy { display: none; } }

/* ─── HEADER ───────────────────────────────────────────── */
.site-header {
  position: fixed; top: 36px; left: 0; right: 0; z-index: 1000;
  background: rgba(245, 241, 232, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-light);
  transition: background .3s ease;
}
.header-inner {
  max-width: 1320px; margin: 0 auto;
  padding: 18px 32px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; flex-direction: column; line-height: 1.1; gap: 3px; }
.brand-en {
  font-family: var(--serif-en);
  font-size: 1.4rem; font-weight: 500; letter-spacing: 0.32em; color: var(--text);
}
.brand-jp {
  font-family: var(--serif-jp);
  font-size: 0.66rem; letter-spacing: 0.4em; color: var(--text-mute);
}
.header-nav { display: flex; align-items: center; gap: 36px; }
.header-nav a {
  font-family: var(--serif-en);
  font-size: 0.95rem; letter-spacing: 0.18em;
  position: relative; padding: 6px 0;
}
.header-nav a::after {
  content: ''; position: absolute; left: 50%; bottom: 0;
  width: 0; height: 1px; background: var(--wood);
  transition: width .35s ease, left .35s ease;
}
.header-nav a:hover::after { width: 100%; left: 0; }
.header-nav a.cta {
  border: 1px solid var(--text);
  padding: 10px 22px;
  letter-spacing: 0.22em;
}
.header-nav a.cta:hover {
  background: var(--text); color: var(--bg);
}
.header-nav a.cta::after { display: none; }
.hamburger { display: none; }

/* ─── HERO ─────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 128px 0 0;
  overflow: hidden;
}
.hero-grid {
  max-width: 1320px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; padding: 64px 32px 96px;
  align-items: center;
  min-height: 78vh;
}
.hero-left { padding-right: 24px; }
.hero-eyebrow {
  font-family: var(--serif-en);
  font-size: 0.95rem; letter-spacing: 0.36em;
  color: var(--wood);
  text-transform: uppercase;
  margin-bottom: 32px;
  position: relative; padding-left: 56px;
}
.hero-eyebrow::before {
  content: ''; position: absolute; left: 0; top: 50%;
  width: 40px; height: 1px; background: var(--wood);
}
.hero-title {
  font-family: var(--serif-jp); font-weight: 600;
  font-size: clamp(60px, 8vw, 132px);
  line-height: 1.18;
  letter-spacing: 0.04em;
  color: var(--text);
  margin-bottom: 36px;
}
.hero-title .ch {
  display: inline-block;
  opacity: 0; transform: translateY(20px);
  animation: chReveal .9s cubic-bezier(.2,.7,.3,1) forwards;
}
.hero-title .ch:nth-child(1) { animation-delay: 0.10s; }
.hero-title .ch:nth-child(2) { animation-delay: 0.18s; }
.hero-title .ch:nth-child(3) { animation-delay: 0.26s; }
.hero-title .ch:nth-child(5) { animation-delay: 0.46s; }
.hero-title .ch:nth-child(6) { animation-delay: 0.54s; }
.hero-title .ch:nth-child(7) { animation-delay: 0.62s; }
.hero-title .ch:nth-child(8) { animation-delay: 0.70s; }

@keyframes chReveal {
  to { opacity: 1; transform: translateY(0); }
}

.hero-lead {
  font-size: 1rem; line-height: 2.1;
  color: var(--text-mute);
  margin-bottom: 44px;
  max-width: 480px;
}

.hero-actions { display: flex; gap: 18px; flex-wrap: wrap; }
.btn-line {
  display: inline-flex; align-items: center; gap: 14px;
  padding: 16px 28px;
  border: 1px solid var(--text);
  font-family: var(--serif-en);
  font-size: 0.95rem; letter-spacing: 0.16em;
  background: var(--text); color: var(--bg);
  transition: all .35s ease;
}
.btn-line em { transition: transform .35s ease; }
.btn-line:hover { color: var(--bg); background: var(--wood); border-color: var(--wood); }
.btn-line:hover em { transform: translateX(6px); }
.btn-line.ghost {
  background: transparent; color: var(--text); border-color: var(--text);
}
.btn-line.ghost:hover { background: var(--text); color: var(--bg); }

.hero-right { position: relative; height: 100%; min-height: 64vh; }
.hero-photo {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, #d4c9b0 0%, #8b6f47 100%);
  background-size: cover;
  background-position: center;
  position: relative;
  filter: saturate(0.92);
}
.hero-photo::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(28, 22, 14, 0.18) 100%);
}
.hero-caption {
  position: absolute; bottom: -1px; right: -1px;
  background: var(--bg);
  padding: 16px 22px;
  display: flex; flex-direction: column; gap: 4px;
  font-family: var(--serif-en);
}
.caption-no {
  font-size: 0.78rem; letter-spacing: 0.32em; color: var(--wood);
}
.caption-text {
  font-size: 0.92rem; letter-spacing: 0.08em; color: var(--text);
}

.hero-marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-dark);
  padding: 18px 0;
  overflow: hidden;
  position: relative;
}
.marquee-inner {
  display: flex; gap: 64px;
  white-space: nowrap;
  animation: marquee 50s linear infinite;
  font-family: var(--serif-jp);
  font-size: 0.95rem;
  color: var(--text-mute);
  letter-spacing: 0.18em;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ─── SECTION COMMON ───────────────────────────────────── */
.section { padding: 128px 0; position: relative; }
.section-head { margin-bottom: 64px; }
.section-head.center { text-align: center; }
.section-en {
  font-family: var(--serif-en);
  font-size: 0.95rem; letter-spacing: 0.4em;
  color: var(--wood);
  text-transform: uppercase;
  margin-bottom: 14px;
  position: relative;
  padding-left: 56px;
  display: inline-block;
}
.section-head.center .section-en { padding-left: 0; }
.section-en::before {
  content: ''; position: absolute; left: 0; top: 50%;
  width: 40px; height: 1px; background: var(--wood);
}
.section-head.center .section-en::before { display: none; }
.section-jp {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: clamp(28px, 3.4vw, 48px);
  line-height: 1.4;
  letter-spacing: 0.08em;
  color: var(--text);
}
.section-sub {
  margin-top: 18px;
  font-size: 0.95rem; color: var(--text-mute);
  letter-spacing: 0.1em;
}

.link-more {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--serif-en);
  font-size: 0.95rem; letter-spacing: 0.18em;
  color: var(--text);
  border-bottom: 1px solid var(--text);
  padding-bottom: 4px;
  transition: all .3s ease;
}
.link-more em { font-style: normal; transition: transform .3s ease; }
.link-more:hover { color: var(--wood); border-color: var(--wood); }
.link-more:hover em { transform: translateX(6px); }
.link-more.center-more { display: block; width: fit-content; margin: 64px auto 0; }

/* ─── NEWS ─────────────────────────────────────────────── */
.news-section { padding: 96px 0; background: var(--bg-dark); }
.news-section .section-head { margin-bottom: 40px; display: flex; align-items: baseline; gap: 32px; flex-wrap: wrap; }
.news-section .section-en { margin-bottom: 0; }
.news-section .section-jp { font-size: clamp(22px, 2.4vw, 32px); }

.news-list { list-style: none; border-top: 1px solid var(--line); }
.news-item { border-bottom: 1px solid var(--line); }
.news-item a {
  display: grid; grid-template-columns: 130px 130px 1fr;
  gap: 28px; align-items: center;
  padding: 22px 8px;
  transition: padding .3s ease, background .3s ease;
}
.news-item a:hover { background: rgba(255,255,255,0.4); padding-left: 18px; }
.news-date { font-family: var(--serif-en); font-size: 0.95rem; color: var(--wood); letter-spacing: 0.14em; }
.news-tag {
  font-family: var(--serif-jp);
  font-size: 0.78rem;
  border: 1px solid var(--line); padding: 4px 12px; text-align: center;
  color: var(--text-mute);
  width: fit-content;
}
.news-title { font-size: 0.95rem; color: var(--text); letter-spacing: 0.06em; }
.news-section .link-more { margin-top: 28px; }

/* ─── CONCEPT ──────────────────────────────────────────── */
.concept-section { padding-bottom: 64px; }
.concept-grid {
  display: grid; grid-template-columns: 1fr 1.1fr;
  gap: 96px; align-items: center;
}
.concept-text { padding-right: 32px; }
.concept-lead {
  font-family: var(--serif-jp);
  font-size: 1.05rem; line-height: 2.3;
  color: var(--text);
  margin: 32px 0 40px;
}
.concept-visual {
  position: relative; height: 600px;
}
.visual-frame {
  position: absolute;
  width: 70%; height: 65%;
  overflow: hidden;
  background: var(--line);
  top: 0; left: 0;
}
.visual-frame.offset {
  top: 35%; left: 30%;
  width: 75%; height: 65%;
  border: 8px solid var(--bg);
}
.visual-img {
  width: 100%; height: 100%;
  background: linear-gradient(160deg, #c9b896 0%, #6b5333 100%);
  background-size: cover;
  background-position: center;
  transition: transform 8s ease;
}
.visual-frame:hover .visual-img { transform: scale(1.06); }

/* ─── PERFORMANCE ──────────────────────────────────────── */
.perf-section {
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-dark) 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.perf-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-left: 1px solid var(--line);
}
.perf-card {
  background: var(--bg-card);
  padding: 56px 32px;
  border-right: 1px solid var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background .35s ease, transform .35s ease;
}
.perf-card:hover { background: var(--bg); transform: translateY(-4px); }
.perf-num {
  font-family: var(--serif-en);
  font-size: 1.05rem; letter-spacing: 0.32em;
  color: var(--wood);
  margin-bottom: 32px;
  border-bottom: 1px solid var(--line); padding-bottom: 16px;
}
.perf-title {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: 1.4rem;
  letter-spacing: 0.08em;
  color: var(--text);
  margin-bottom: 24px;
  line-height: 1.5;
}
.perf-title em {
  font-family: var(--serif-en);
  font-size: 2.2rem; font-weight: 500;
  color: var(--moss);
  margin-left: 6px;
  vertical-align: -2px;
}
.perf-text {
  font-size: 0.92rem; line-height: 2.05;
  color: var(--text-mute);
}

/* ─── WORKS ────────────────────────────────────────────── */
.works-section { padding-bottom: 96px; }
.works-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 64px 48px;
}
.work-card {
  display: block;
  position: relative;
}
.work-img {
  aspect-ratio: 4 / 3;
  background: linear-gradient(155deg, #b09d7a 0%, #5a6f4a 100%);
  background-size: cover;
  background-position: center;
  margin-bottom: 24px;
  overflow: hidden;
  position: relative;
}
.work-img::after {
  content: ''; position: absolute; inset: 0;
  background: rgba(28, 22, 14, 0);
  transition: background .4s ease;
}
.work-card:hover .work-img::after { background: rgba(28, 22, 14, 0.12); }
.work-info { padding: 0 4px; }
.work-no {
  font-family: var(--serif-en);
  font-size: 0.85rem; letter-spacing: 0.28em;
  color: var(--wood);
  display: block; margin-bottom: 10px;
}
.work-title {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: 1.35rem; letter-spacing: 0.06em;
  color: var(--text);
  margin-bottom: 8px;
  transition: color .3s ease;
}
.work-card:hover .work-title { color: var(--wood); }
.work-meta {
  font-size: 0.85rem; letter-spacing: 0.08em;
  color: var(--text-mute);
}

/* ─── PROCESS ──────────────────────────────────────────── */
.process-section { background: var(--bg-card); border-top: 1px solid var(--line); }
.process-timeline {
  list-style: none;
  max-width: 760px; margin: 0 auto;
  position: relative;
  padding-left: 64px;
}
.process-timeline::before {
  content: ''; position: absolute; left: 24px; top: 8px; bottom: 8px;
  width: 1px; background: var(--line);
}
.proc {
  position: relative;
  padding-bottom: 56px;
}
.proc:last-child { padding-bottom: 0; }
.proc-no {
  position: absolute;
  left: -64px; top: -2px;
  width: 50px; height: 50px;
  border: 1px solid var(--wood);
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif-en);
  font-size: 0.95rem; color: var(--wood);
  letter-spacing: 0.1em;
  border-radius: 50%;
}
.proc-body h3 {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: 1.25rem; letter-spacing: 0.08em;
  color: var(--text);
  margin-bottom: 12px;
}
.proc-body p {
  font-size: 0.92rem; line-height: 2.05;
  color: var(--text-mute);
}

/* ─── ABOUT BANNER ─────────────────────────────────────── */
.about-banner { background: var(--text); color: var(--bg); padding: 144px 0; }
.about-banner .section-en { color: #d4b88a; }
.about-banner .section-en::before { background: #d4b88a; }
.about-banner .section-jp { color: var(--bg); }
.about-grid {
  display: grid; grid-template-columns: 1fr 1.1fr;
  gap: 96px; align-items: center;
}
.about-text { padding-right: 32px; }
.about-lead {
  font-family: var(--serif-jp);
  font-size: 1.05rem; line-height: 2.3;
  color: rgba(245, 241, 232, 0.72);
  margin: 32px 0 40px;
}
.about-banner .link-more {
  color: var(--bg); border-color: var(--bg);
}
.about-banner .link-more:hover { color: #d4b88a; border-color: #d4b88a; }

.about-stats {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid rgba(212, 184, 138, 0.2);
  border-left: 1px solid rgba(212, 184, 138, 0.2);
}
.stat {
  padding: 36px 28px;
  border-right: 1px solid rgba(212, 184, 138, 0.2);
  border-bottom: 1px solid rgba(212, 184, 138, 0.2);
  text-align: center;
}
.stat-num {
  font-family: var(--serif-en);
  font-size: 3.4rem; font-weight: 400;
  color: #d4b88a;
  line-height: 1;
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}
.stat-num em {
  font-family: var(--serif-jp);
  font-size: 1rem;
  color: rgba(245, 241, 232, 0.6);
  margin-left: 4px;
  vertical-align: 16px;
}
.stat-label {
  font-size: 0.78rem; letter-spacing: 0.16em;
  color: rgba(245, 241, 232, 0.52);
}

/* ─── CONTACT CTA ──────────────────────────────────────── */
.contact-cta { padding: 144px 0; text-align: center; }
.cta-inner { max-width: 720px; margin: 0 auto; }
.cta-en {
  font-family: var(--serif-en);
  font-size: 1rem; letter-spacing: 0.36em;
  color: var(--wood);
  text-transform: uppercase;
  margin-bottom: 24px;
}
.cta-jp {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: clamp(28px, 3.6vw, 48px);
  line-height: 1.5;
  letter-spacing: 0.08em;
  color: var(--text);
  margin-bottom: 32px;
}
.cta-lead {
  font-size: 1rem; color: var(--text-mute);
  margin-bottom: 44px;
  line-height: 2.05;
}
.cta-actions {
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
}

/* ─── FOOTER ───────────────────────────────────────────── */
.site-footer {
  background: #1f1810; color: rgba(245, 241, 232, 0.6);
  padding: 96px 0 36px;
  border-top: 1px solid var(--wood-deep);
}
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr;
  gap: 64px;
  margin-bottom: 80px;
}
.footer-brand .brand-en {
  display: block;
  font-family: var(--serif-en);
  font-size: 1.6rem; letter-spacing: 0.32em; color: #d4b88a;
  margin-bottom: 8px;
}
.footer-brand .brand-jp {
  display: block;
  font-family: var(--serif-jp);
  font-size: 0.85rem; letter-spacing: 0.2em;
  color: rgba(245, 241, 232, 0.7);
  margin-bottom: 28px;
}
.footer-addr {
  font-size: 0.85rem; line-height: 2;
  color: rgba(245, 241, 232, 0.5);
  letter-spacing: 0.06em;
}
.footer-nav h4, .footer-info h4 {
  font-family: var(--serif-en);
  font-size: 0.95rem; letter-spacing: 0.28em;
  color: #d4b88a;
  margin-bottom: 24px;
  font-weight: 500;
}
.footer-nav ul, .footer-info ul {
  list-style: none;
}
.footer-nav li, .footer-info li {
  font-size: 0.85rem;
  margin-bottom: 14px;
  color: rgba(245, 241, 232, 0.55);
}
.footer-nav a, .footer-info a { color: rgba(245, 241, 232, 0.7); }
.footer-nav a:hover, .footer-info a:hover { color: #d4b88a; }

.footer-bottom {
  border-top: 1px solid rgba(212, 184, 138, 0.15);
  padding-top: 28px;
  font-family: var(--serif-en);
  font-size: 0.78rem; letter-spacing: 0.18em;
  color: rgba(245, 241, 232, 0.32);
  text-align: center;
}

/* ─── REVEAL ANIMATIONS ────────────────────────────────── */
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity 1.1s cubic-bezier(.2,.7,.3,1), transform 1.1s cubic-bezier(.2,.7,.3,1);
}
.reveal.show { opacity: 1; transform: translateY(0); }
.reveal.delay-1 { transition-delay: 0.12s; }
.reveal.delay-2 { transition-delay: 0.24s; }
.reveal.delay-3 { transition-delay: 0.36s; }

/* ─── PAGE HERO (sub pages) ────────────────────────────── */
.page-hero {
  padding: 200px 0 96px;
  border-bottom: 1px solid var(--line);
  text-align: center;
}
.page-hero .section-en {
  padding-left: 0;
}
.page-hero .section-en::before { display: none; }
.page-hero .page-title {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: clamp(36px, 5vw, 64px);
  letter-spacing: 0.1em;
  color: var(--text);
}

/* ─── BREADCRUMBS ──────────────────────────────────────── */
.breadcrumbs {
  font-family: var(--serif-en);
  font-size: 0.78rem; letter-spacing: 0.18em;
  color: var(--text-mute);
  margin-top: 24px;
}
.breadcrumbs a { color: var(--wood); }

/* ─── CONTACT FORM ─────────────────────────────────────── */
.contact-form {
  max-width: 720px; margin: 0 auto;
}
.form-row {
  display: grid; grid-template-columns: 200px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}
.form-row label {
  font-family: var(--serif-jp);
  font-size: 0.95rem; font-weight: 500;
  color: var(--text);
  letter-spacing: 0.08em;
}
.form-row label .req {
  font-family: var(--serif-en);
  font-size: 0.7rem;
  color: var(--wood);
  margin-left: 8px;
  vertical-align: 2px;
}
.form-row input,
.form-row textarea,
.form-row select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--line);
  background: var(--bg-card);
  font-family: var(--sans);
  font-size: 0.95rem;
  color: var(--text);
  letter-spacing: 0.06em;
  transition: border-color .3s ease, background .3s ease;
}
.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus {
  outline: none; border-color: var(--wood);
  background: var(--bg);
}
.form-row textarea { min-height: 160px; resize: vertical; }
.form-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-submit { text-align: center; margin-top: 48px; }
.form-submit button {
  display: inline-flex; align-items: center; gap: 14px;
  padding: 18px 56px;
  border: 1px solid var(--text);
  font-family: var(--serif-en);
  font-size: 1rem; letter-spacing: 0.2em;
  background: var(--text); color: var(--bg);
  cursor: pointer;
  transition: all .35s ease;
}
.form-submit button:hover { background: var(--wood); border-color: var(--wood); }
.form-note {
  font-size: 0.85rem; color: var(--text-mute);
  text-align: center; margin-top: 24px; line-height: 2;
}

/* ─── PRIVACY & GENERIC PAGE ───────────────────────────── */
.prose { max-width: 760px; margin: 0 auto; padding: 0 16px; }
.prose h2 {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: 1.4rem; letter-spacing: 0.08em;
  color: var(--text);
  margin: 56px 0 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.prose h2:first-child { margin-top: 0; }
.prose h3 {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: 1.1rem;
  margin: 32px 0 12px;
  color: var(--text);
}
.prose p { margin-bottom: 16px; line-height: 2.05; color: var(--text); }
.prose ul, .prose ol { margin: 12px 0 16px 24px; }
.prose li { margin-bottom: 8px; line-height: 2; }

/* ─── ABOUT TABLE ──────────────────────────────────────── */
.info-table {
  width: 100%; border-collapse: collapse;
  font-size: 0.95rem;
}
.info-table th, .info-table td {
  padding: 24px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left; vertical-align: top;
  letter-spacing: 0.06em;
}
.info-table th {
  width: 28%;
  font-family: var(--serif-jp);
  font-weight: 500;
  color: var(--text-mute);
}
.info-table td { color: var(--text); line-height: 2; }

/* ─── WORKS LIST PAGE ──────────────────────────────────── */
.works-page-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 80px 48px;
}

/* ─── RESPONSIVE ───────────────────────────────────────── */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 56px; padding: 32px 24px 72px; }
  .hero-right { min-height: 420px; height: 56vh; }
  .hero-left { padding-right: 0; }
  .concept-grid, .about-grid { grid-template-columns: 1fr; gap: 56px; }
  .concept-visual { height: 500px; }
  .perf-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 48px; }
  .works-grid, .works-page-grid { grid-template-columns: 1fr; gap: 56px; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; gap: 12px; padding: 20px 0; }
  .news-item a { grid-template-columns: 110px 1fr; gap: 16px; padding: 18px 4px; }
  .news-item a .news-tag { display: none; }
}

@media (max-width: 767px) {
  body { font-size: 14px; padding-top: 32px; }
  .container { padding: 0 22px; }
  .header-inner { padding: 14px 22px; }
  .site-header { top: 32px; }
  .brand-en { font-size: 1.15rem; letter-spacing: 0.24em; }
  .brand-jp { font-size: 0.6rem; letter-spacing: 0.32em; }

  .hamburger {
    display: flex; flex-direction: column; justify-content: center; gap: 6px;
    width: 28px; height: 28px; background: transparent; border: none; cursor: pointer;
    z-index: 1100; position: relative;
  }
  .hamburger span {
    display: block; width: 100%; height: 1px; background: var(--text);
    transition: transform .35s ease, opacity .25s ease;
  }
  .hamburger.is-open span:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
  .hamburger.is-open span:nth-child(2) { opacity: 0; }
  .hamburger.is-open span:nth-child(3) { transform: translateY(-3.5px) rotate(-45deg); }

  .header-nav {
    position: fixed; inset: 0;
    background: var(--bg);
    flex-direction: column; justify-content: center; align-items: center;
    gap: 36px;
    z-index: 1000;
    clip-path: inset(0 0 100% 0);
    transition: clip-path .65s cubic-bezier(.7,.05,.3,1);
    pointer-events: none;
  }
  .header-nav.is-open {
    clip-path: inset(0 0 0% 0);
    pointer-events: auto;
  }
  .header-nav a {
    font-family: var(--serif-jp);
    font-size: 1.4rem; letter-spacing: 0.16em;
    opacity: 0; transform: translateY(20px);
    transition: opacity .5s ease, transform .5s ease;
  }
  .header-nav.is-open a {
    opacity: 1; transform: translateY(0);
    transition-delay: calc(0.18s + (var(--i) * 0.08s));
  }
  .header-nav a.cta { padding: 14px 28px; }

  .site-header,
  .site-header.is-scrolled,
  .site-header.menu-active {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
  .site-header.menu-active {
    background: var(--bg) !important;
  }

  .section { padding: 80px 0; }
  .section-head { margin-bottom: 40px; }
  .section-jp { font-size: clamp(24px, 6.4vw, 32px); }
  .hero { padding-top: 96px; }
  .hero-title { font-size: clamp(48px, 12vw, 80px); }
  .hero-eyebrow { padding-left: 36px; font-size: 0.78rem; letter-spacing: 0.28em; }
  .hero-eyebrow::before { width: 24px; }
  .hero-photo { background-size: cover; }
  .hero-actions { gap: 12px; }
  .btn-line { padding: 14px 22px; font-size: 0.85rem; }
  .marquee-inner { font-size: 0.85rem; }

  .perf-grid { grid-template-columns: 1fr; }
  .perf-card { padding: 36px 24px; }
  .about-stats { grid-template-columns: 1fr; }
  .stat { padding: 28px 20px; }
  .stat-num { font-size: 2.6rem; }
  .about-banner { padding: 96px 0; }
  .contact-cta { padding: 96px 0; }

  .process-timeline { padding-left: 48px; }
  .process-timeline::before { left: 18px; }
  .proc-no { left: -48px; width: 38px; height: 38px; font-size: 0.78rem; }

  .visual-frame.offset { border-width: 6px; }
  .concept-visual { height: 420px; }

  /* contact form mobile-first 1col */
  .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; }
  .form-row label { display: block; margin-bottom: 8px; }
}

/* ====================================================
   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) {
  .about-grid { grid-template-columns: 1fr !important; gap: 28px !important; }
  .concept-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） */
  .perf-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 18px !important; }
}