/* ==========================================================
   〇〇 〇〇 (ARTIST) — Style
   Theme: Contemporary Painter / Editorial Dark Gallery
   Color: Deep Ink Navy + Bone White + Antique Copper
   Font:  Cormorant Garamond × Shippori Mincho × Inter
   ========================================================== */

:root {
  --bg:        #0e1117;          /* deep ink */
  --bg-2:      #161a23;
  --bg-card:   #1c2230;
  --bg-light:  #f4f0e8;          /* bone white */
  --text:      #e8e3d6;
  --text-mute: #9a9384;
  --text-dim:  #6c6757;
  --line:      rgba(232,227,214,0.12);
  --line-2:    rgba(232,227,214,0.06);
  --copper:    #b08d57;           /* antique copper */
  --copper-2:  #d4a76a;
  --ink:       #0a0d12;

  --serif-en:  'Cormorant Garamond', 'Times New Roman', serif;
  --serif-jp:  'Shippori Mincho', 'Yu Mincho', serif;
  --sans:      'Inter', system-ui, sans-serif;
  --jp:        '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(--jp);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.9;
  letter-spacing: 0.05em;
  -webkit-font-smoothing: antialiased;
  padding-top: 36px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .3s, opacity .3s; }
a:hover { color: var(--copper-2); }
em { font-style: italic; font-family: var(--serif-en); }

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
}

/* ─── DEMO BAR ─────────────────────────────────────────── */
#demo-bar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1200;
  background: rgba(8, 10, 14, 0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(176, 141, 87, 0.16);
  padding: 8px 0;
}
.demo-bar-inner {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  font-size: 0.7rem; color: rgba(232, 227, 214, 0.42);
  font-family: var(--sans);
}
.demo-badge {
  font-size: 0.55rem; font-weight: 600; letter-spacing: 0.22em; text-transform: uppercase;
  background: rgba(176, 141, 87, 0.18); color: var(--copper-2);
  padding: 3px 11px; flex-shrink: 0;
}
.demo-link { color: var(--copper-2); font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
.demo-copy { color: rgba(232, 227, 214, 0.20); 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(14, 17, 23, 0.84);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line-2);
  transition: background .3s ease;
}
.site-header.scrolled { background: rgba(14, 17, 23, 0.96); }
.header-inner {
  width: 100%;
  max-width: 1480px;
  margin: 0 auto;
  padding: 18px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex; flex-direction: column; line-height: 1.1;
}
.brand-en {
  font-family: var(--serif-en);
  font-size: 1.4rem;
  letter-spacing: 0.4em;
  font-weight: 400;
  color: var(--text);
  font-style: italic;
}
.brand-jp {
  font-family: var(--serif-jp);
  font-size: 0.65rem;
  letter-spacing: 0.5em;
  color: var(--text-mute);
  margin-top: 4px;
  padding-left: 2px;
}
.header-nav {
  display: flex; align-items: center; gap: 36px;
}
.header-nav a {
  font-family: var(--serif-en);
  font-size: 0.95rem;
  letter-spacing: 0.16em;
  color: var(--text-mute);
  font-style: italic;
  position: relative;
  padding: 6px 0;
}
.header-nav a:hover { color: var(--copper-2); }
.header-nav a.cta {
  font-family: var(--sans);
  font-style: normal;
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--copper-2);
  padding: 10px 22px;
  border-radius: 100px;
}
.header-nav a.cta:hover { background: var(--text); color: var(--ink); }
.hamburger {
  display: none;
  background: none; border: none; cursor: pointer;
  width: 38px; height: 38px; position: relative; z-index: 1100;
}
.hamburger span {
  position: absolute; left: 6px; right: 6px; height: 1px;
  background: var(--text); transition: transform .3s, top .3s, opacity .3s;
}
.hamburger span:nth-child(1) { top: 12px; }
.hamburger span:nth-child(2) { top: 19px; }
.hamburger span:nth-child(3) { top: 26px; }
.hamburger.active span:nth-child(1) { top: 19px; transform: rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { top: 19px; transform: rotate(-45deg); }

/* ─── HERO (Center Stage) ─────────────────────────────── */
.hero {
  min-height: 100vh;
  padding: 180px 0 120px;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  text-align: center;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
}
.hero-eyebrow {
  font-family: var(--serif-en);
  font-style: italic;
  letter-spacing: 0.32em;
  color: var(--copper-2);
  font-size: 0.92rem;
  margin-bottom: 28px;
}
.hero-title {
  font-family: var(--serif-en);
  font-size: clamp(56px, 9vw, 132px);
  font-weight: 300;
  line-height: 1.02;
  letter-spacing: -0.01em;
  margin-bottom: 38px;
  color: var(--text);
}
.hero-title em {
  font-style: italic;
  color: var(--copper-2);
  font-weight: 300;
}
.hero-sub {
  font-family: var(--serif-jp);
  font-size: 0.95rem;
  letter-spacing: 0.42em;
  color: var(--text-mute);
  margin-bottom: 56px;
}
.hero-image {
  margin: 0 auto 64px;
  width: 100%;
  max-width: 780px;
  aspect-ratio: 16 / 11;
  background: linear-gradient(135deg, #1c2230 0%, #2a1f1a 100%);
  background-size: cover;
  background-position: center;
  position: relative;
  filter: saturate(0.92);
}
.hero-image::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 70%, rgba(14,17,23,0.4));
  pointer-events: none;
}
.hero-meta {
  display: flex; justify-content: center; gap: 60px;
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.hero-meta span em {
  font-style: italic;
  font-family: var(--serif-en);
  color: var(--copper-2);
  text-transform: none;
  letter-spacing: 0.1em;
  margin-left: 6px;
  font-size: 1rem;
}
.hero-scroll {
  position: absolute;
  bottom: 40px; left: 50%; transform: translateX(-50%);
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 0.88rem;
  letter-spacing: 0.24em;
  color: var(--text-mute);
  display: flex; flex-direction: column; align-items: center; gap: 14px;
}
.hero-scroll::after {
  content: "";
  width: 1px; height: 50px;
  background: linear-gradient(180deg, var(--copper-2), transparent);
  animation: scrollLine 2.4s ease-in-out infinite;
}
@keyframes scrollLine {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ─── SECTIONS BASE ───────────────────────────────────── */
.section {
  padding: 140px 0;
  position: relative;
}
.section-dark {
  background: var(--bg-2);
}
.section-light {
  background: var(--bg-light);
  color: var(--ink);
}
.section-light .section-en { color: var(--copper); }
.section-light .section-jp { color: var(--ink); }
.section-light .text-mute { color: rgba(10,13,18,0.6); }

.section-head {
  text-align: center;
  margin-bottom: 90px;
}
.section-en {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 1rem;
  letter-spacing: 0.4em;
  color: var(--copper-2);
  margin-bottom: 16px;
}
.section-jp {
  font-family: var(--serif-jp);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--text);
}
.section-lead {
  font-family: var(--serif-jp);
  font-size: 1rem;
  line-height: 2.2;
  letter-spacing: 0.1em;
  color: var(--text-mute);
  max-width: 640px;
  margin: 28px auto 0;
  text-align: center;
}

/* ─── ABOUT TEASER (homepage) ─────────────────────────── */
.about-teaser {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-photo {
  aspect-ratio: 3 / 4;
  background: linear-gradient(160deg, #2a1f1a, #1c2230);
  background-size: cover;
  background-position: center;
  position: relative;
}
.about-photo::after {
  content: "";
  position: absolute;
  inset: -16px;
  border: 1px solid var(--copper);
  pointer-events: none;
  z-index: -1;
}
.about-body h3 {
  font-family: var(--serif-jp);
  font-size: clamp(24px, 3.2vw, 38px);
  font-weight: 500;
  line-height: 1.6;
  letter-spacing: 0.08em;
  margin-bottom: 30px;
}
.about-body p {
  font-family: var(--serif-jp);
  font-size: 1rem;
  line-height: 2.2;
  color: var(--text-mute);
  margin-bottom: 24px;
}
.about-signature {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 1.6rem;
  color: var(--copper-2);
  margin-top: 36px;
  letter-spacing: 0.04em;
}
.about-link {
  display: inline-flex;
  align-items: center; gap: 14px;
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 1.05rem;
  letter-spacing: 0.2em;
  color: var(--copper-2);
  border-bottom: 1px solid var(--copper);
  padding-bottom: 4px;
  margin-top: 30px;
}
.about-link em { font-size: 1.2rem; }
.about-link:hover { color: var(--text); border-color: var(--text); }

/* ─── WORKS GRID ──────────────────────────────────────── */
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.work-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.work-card .work-image {
  aspect-ratio: 4 / 5;
  background-size: cover;
  background-position: center;
  background-color: var(--bg-card);
  transition: transform .8s cubic-bezier(.16,.84,.44,1);
}
.work-card:hover .work-image { transform: scale(1.04); }
.work-card .work-overlay {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  justify-content: flex-end;
  padding: 28px 26px;
  background: linear-gradient(180deg, transparent 50%, rgba(14,17,23,0.85));
  color: var(--text);
}
.work-card .work-no {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 0.88rem;
  letter-spacing: 0.18em;
  color: var(--copper-2);
  margin-bottom: 10px;
}
.work-card .work-title {
  font-family: var(--serif-jp);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.work-card .work-meta {
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.works-cta {
  text-align: center;
  margin-top: 70px;
}

.btn-ghost {
  display: inline-flex;
  align-items: center; gap: 14px;
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 1rem;
  letter-spacing: 0.22em;
  color: var(--copper-2);
  padding: 16px 38px;
  border: 1px solid var(--copper);
  background: transparent;
  transition: background .3s, color .3s;
}
.btn-ghost:hover { background: var(--copper-2); color: var(--ink); }
.btn-ghost em { font-size: 1.2rem; }

.btn-solid {
  display: inline-flex;
  align-items: center; gap: 14px;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.82rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink);
  padding: 18px 36px;
  background: var(--copper-2);
  border: none;
  cursor: pointer;
  transition: background .3s;
}
.btn-solid:hover { background: var(--text); }

/* ─── EXHIBITION / TIMELINE ───────────────────────────── */
.timeline {
  max-width: 900px;
  margin: 0 auto;
}
.timeline-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 50px;
  padding: 36px 0;
  border-bottom: 1px solid var(--line);
}
.timeline-year {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 1.8rem;
  color: var(--copper-2);
  font-weight: 300;
}
.timeline-body h4 {
  font-family: var(--serif-jp);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.timeline-body .place {
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 10px;
}
.timeline-body p {
  font-family: var(--serif-jp);
  color: var(--text-mute);
  line-height: 2;
}

/* ─── JOURNAL / NEWS ──────────────────────────────────── */
.news-list {
  list-style: none;
  max-width: 900px;
  margin: 0 auto;
}
.news-item {
  border-bottom: 1px solid var(--line);
}
.news-item a {
  display: grid;
  grid-template-columns: 130px 110px 1fr;
  gap: 36px;
  align-items: center;
  padding: 28px 0;
  transition: padding .3s;
}
.news-item a:hover { padding-left: 18px; }
.news-date {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  color: var(--copper-2);
}
.news-tag {
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-dim);
  border: 1px solid var(--line);
  padding: 6px 12px;
  text-align: center;
}
.news-title {
  font-family: var(--serif-jp);
  font-size: 1rem;
  color: var(--text);
}

/* ─── CTA STRIP ───────────────────────────────────────── */
.cta-strip {
  padding: 130px 0;
  text-align: center;
  background: var(--bg-2);
  border-top: 1px solid var(--line-2);
  border-bottom: 1px solid var(--line-2);
}
.cta-strip h2 {
  font-family: var(--serif-en);
  font-size: clamp(40px, 6vw, 80px);
  font-weight: 300;
  line-height: 1.1;
  margin-bottom: 30px;
  letter-spacing: -0.01em;
}
.cta-strip h2 em { color: var(--copper-2); font-style: italic; }
.cta-strip p {
  font-family: var(--serif-jp);
  font-size: 1rem;
  letter-spacing: 0.18em;
  color: var(--text-mute);
  margin-bottom: 50px;
}

/* ─── FOOTER ──────────────────────────────────────────── */
.site-footer {
  background: var(--ink);
  padding: 90px 0 36px;
  border-top: 1px solid var(--line-2);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}
.footer-brand .brand-en {
  font-size: 2rem;
  margin-bottom: 18px;
}
.footer-brand p {
  font-family: var(--serif-jp);
  color: var(--text-mute);
  line-height: 2;
  font-size: 0.9rem;
}
.footer-col h5 {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--copper-2);
  margin-bottom: 22px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 12px; }
.footer-col a {
  font-family: var(--jp);
  font-size: 0.88rem;
  color: var(--text-mute);
  letter-spacing: 0.06em;
}
.footer-col a:hover { color: var(--copper-2); }
.footer-bottom {
  border-top: 1px solid var(--line-2);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  color: var(--text-dim);
}

/* ─── PAGE HEAD (sub pages) ──────────────────────────── */
.page-head {
  padding: 200px 0 100px;
  text-align: center;
  border-bottom: 1px solid var(--line-2);
}
.page-head .page-en {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 1.05rem;
  letter-spacing: 0.4em;
  color: var(--copper-2);
  margin-bottom: 22px;
}
.page-head h1 {
  font-family: var(--serif-en);
  font-size: clamp(50px, 8vw, 110px);
  font-weight: 300;
  letter-spacing: -0.01em;
  line-height: 1;
  margin-bottom: 18px;
}
.page-head .page-jp {
  font-family: var(--serif-jp);
  font-size: 0.95rem;
  letter-spacing: 0.4em;
  color: var(--text-mute);
}

/* ─── ABOUT PAGE — RUN BY ────────────────────────────── */
.profile-main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
  align-items: center;
  margin-bottom: 140px;
}
.profile-photo {
  aspect-ratio: 3 / 4;
  background: linear-gradient(160deg, #2a1f1a 0%, #1c2230 100%);
  background-size: cover;
  background-position: center;
  position: relative;
}
.profile-photo::after {
  content: "";
  position: absolute;
  inset: -20px -20px 20px 20px;
  border: 1px solid var(--copper);
  z-index: -1;
}
.profile-body .profile-name-en {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 3.2rem;
  color: var(--copper-2);
  font-weight: 300;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.profile-body .profile-name-jp {
  font-family: var(--serif-jp);
  font-size: 1.1rem;
  letter-spacing: 0.4em;
  color: var(--text);
  margin-bottom: 36px;
}
.profile-body .profile-role {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 30px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.profile-body p {
  font-family: var(--serif-jp);
  font-size: 1rem;
  line-height: 2.3;
  color: var(--text-mute);
  margin-bottom: 22px;
}

.profile-detail {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 60px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}
.profile-detail dt {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 1rem;
  color: var(--copper-2);
  letter-spacing: 0.16em;
}
.profile-detail dt em {
  display: block;
  font-family: var(--serif-jp);
  font-style: normal;
  font-size: 0.7rem;
  letter-spacing: 0.32em;
  color: var(--text-dim);
  margin-top: 4px;
}
.profile-detail dd {
  font-family: var(--serif-jp);
  font-size: 0.95rem;
  line-height: 2;
  color: var(--text);
}

/* ─── PROCESS — Cards ─────────────────────────────────── */
.process-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}
.process-card {
  background: var(--bg-card);
  border: 1px solid var(--line-2);
  padding: 50px 36px;
  position: relative;
}
.process-card .num {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 4rem;
  color: var(--copper);
  font-weight: 300;
  line-height: 1;
  margin-bottom: 20px;
  opacity: 0.7;
}
.process-card h4 {
  font-family: var(--serif-jp);
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.process-card p {
  font-family: var(--serif-jp);
  font-size: 0.92rem;
  line-height: 2.1;
  color: var(--text-mute);
}

/* ─── WORKS PAGE — Filter + Grid ─────────────────────── */
.works-filter {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 60px;
  flex-wrap: wrap;
}
.works-filter button {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 0.95rem;
  letter-spacing: 0.16em;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text-mute);
  padding: 10px 24px;
  cursor: pointer;
  transition: all .3s;
}
.works-filter button:hover,
.works-filter button.active {
  background: var(--copper-2);
  color: var(--ink);
  border-color: var(--copper-2);
}

/* ─── CONTACT ─────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 90px;
}
.contact-info h3 {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 2rem;
  color: var(--copper-2);
  margin-bottom: 24px;
  font-weight: 300;
}
.contact-info p {
  font-family: var(--serif-jp);
  font-size: 0.95rem;
  line-height: 2.1;
  color: var(--text-mute);
  margin-bottom: 36px;
}
.contact-info dl {
  border-top: 1px solid var(--line);
  padding-top: 28px;
}
.contact-info dt {
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 6px;
}
.contact-info dd {
  font-family: var(--serif-jp);
  margin-bottom: 22px;
  letter-spacing: 0.06em;
}

form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-bottom: 22px;
}
form .form-field {
  margin-bottom: 22px;
}
form label {
  display: block;
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--copper-2);
  margin-bottom: 10px;
}
form input, form textarea, form select {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
  font-family: var(--jp);
  font-size: 0.96rem;
  color: var(--text);
  letter-spacing: 0.04em;
  transition: border-color .3s;
}
form input:focus, form textarea:focus, form select:focus {
  outline: none;
  border-color: var(--copper-2);
}
form textarea { min-height: 140px; resize: vertical; }
.form-submit { text-align: right; margin-top: 32px; }

/* ─── PRIVACY / TEXT PAGES ───────────────────────────── */
.text-body {
  max-width: 820px;
  margin: 0 auto;
}
.text-body h2 {
  font-family: var(--serif-jp);
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  margin: 50px 0 22px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.text-body h2:first-child { margin-top: 0; }
.text-body p {
  font-family: var(--serif-jp);
  font-size: 0.96rem;
  line-height: 2.2;
  color: var(--text-mute);
  margin-bottom: 18px;
}

/* ─── NEWS DETAIL ─────────────────────────────────────── */
.article {
  max-width: 820px;
  margin: 0 auto;
}
.article-meta {
  display: flex; gap: 24px; align-items: center;
  margin-bottom: 36px;
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.article-meta .date {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 1rem;
  letter-spacing: 0.12em;
  color: var(--copper-2);
  text-transform: none;
}
.article h1 {
  font-family: var(--serif-jp);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.08em;
  margin-bottom: 50px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}
.article p {
  font-family: var(--serif-jp);
  font-size: 1rem;
  line-height: 2.3;
  color: var(--text-mute);
  margin-bottom: 22px;
}
.article-back {
  margin-top: 60px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
  text-align: center;
}

/* ─── REVEAL ANIMATION ───────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1s cubic-bezier(.16,.84,.44,1), transform 1s cubic-bezier(.16,.84,.44,1);
}
.reveal.show {
  opacity: 1;
  transform: translateY(0);
}
.delay-1 { transition-delay: 0.12s; }
.delay-2 { transition-delay: 0.24s; }
.delay-3 { transition-delay: 0.36s; }
.delay-4 { transition-delay: 0.48s; }

/* ─── RESPONSIVE ─────────────────────────────────────── */
@media (max-width: 1024px) {
  .works-grid { grid-template-columns: repeat(2, 1fr); }
  .process-cards { grid-template-columns: 1fr; gap: 22px; }
  .about-teaser, .profile-main, .contact-grid {
    grid-template-columns: 1fr; gap: 48px;
  }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .header-inner { padding: 16px 28px; }
  .header-nav { gap: 22px; }
  .header-nav a { font-size: 0.88rem; }
}

@media (max-width: 767px) {
  body { padding-top: 32px; font-size: 14px; }
  .container { padding: 0 22px; }
  .hero { padding: 130px 0 80px; }
  .hero-grid { padding: 0 22px; }
  .hero-meta { flex-direction: column; gap: 18px; }
  .section { padding: 80px 0; }
  .section-head { margin-bottom: 50px; }
  .page-head { padding: 140px 0 60px; }
  .works-grid { grid-template-columns: 1fr; gap: 18px; }
  .timeline-item { grid-template-columns: 1fr; gap: 8px; padding: 24px 0; }
  .news-item a { grid-template-columns: 1fr; gap: 8px; padding: 22px 0; }
  .news-tag { justify-self: start; }
  .header-inner { padding: 14px 22px; }
  .hamburger { display: block; }
  .header-nav {
    position: fixed; inset: 0;
    background: var(--bg);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 28px;
    z-index: 1000;
    opacity: 0; pointer-events: none;
    transition: opacity .35s;
  }
  .header-nav.open { opacity: 1; pointer-events: auto; }
  .header-nav a { font-size: 1.3rem; }
  .site-header.menu-active {
    background: var(--bg) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  form .form-row { grid-template-columns: 1fr; gap: 0; }

  /* mobile form: 1column lock */
  .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; }
}

/* ====================================================
   スマホ時 2カラム→1カラム化（2026-05-15）
   右文章が縦長になる時
==================================================== */
@media (max-width: 768px) {
  .form-row { grid-template-columns: 1fr !important; gap: 24px !important; }
}

/* ====================================================
   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) {
  /* 1カラム化（流れ・5カラム以上） */
  .process-cards { grid-template-columns: 1fr !important; gap: 20px !important; }
}