/* ==========================================
   BRIDGE Consulting — bridge-consulting
   Design: Charcoal × Amber / Dark sections / Bold border headings / Sharp geometry
   ========================================== */

:root {
  --color-accent:   #E8943A;
  --color-accent-d: #C87820;
  --color-dark:     #222222;
  --color-dark2:    #1A1A1A;
  --color-base:     #F8F6F3;
  --color-base2:    #F0EDE8;
  --color-text:     #222222;
  --color-muted:    #6A6A6A;
  --color-border:   #E0DDD8;
  --color-white:    #FFFFFF;

  --font-sans:  'Noto Sans JP', sans-serif;
  --font-latin: 'Barlow', 'Inter', sans-serif;

  --radius: 4px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-hover: 0 12px 40px rgba(0,0,0,0.14);
  --transition: 0.25s ease;

  --header-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-sans); color: var(--color-text); background: var(--color-white); line-height: 1.8; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── Typography ── */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.35; }
h1 { font-size: clamp(2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.5rem, 3.2vw, 2.2rem); }
h3 { font-size: clamp(1rem, 2vw, 1.25rem); }

/* ── Utility ── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section--dark { background: var(--color-dark); color: var(--color-white); }
.section--dark2 { background: var(--color-dark2); color: var(--color-white); }
.section--base2 { background: var(--color-base2); }
.section--base { background: var(--color-base); }

/* Bold left-border heading (key あしらい) */
.section-head { margin-bottom: 60px; }
.section-head h2 {
  border-left: 5px solid var(--color-accent);
  padding-left: 20px;
}
.section-head--dark h2 { color: var(--color-white); }
.section-label {
  font-family: var(--font-latin);
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.section-label::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--color-accent);
}
.section-desc { color: var(--color-muted); margin-top: 12px; font-size: 0.9rem; }
.section-desc--dark { color: rgba(255,255,255,0.6); }

/* ── Reveal ── */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.65s ease, transform 0.65s ease; }
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: 16px 40px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: var(--transition);
  cursor: pointer;
  border-radius: var(--radius);
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border: 2px solid var(--color-accent);
}
.btn-primary:hover {
  background: var(--color-accent-d);
  border-color: var(--color-accent-d);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(232, 148, 58, 0.4);
}
.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}
.btn-outline:hover { background: var(--color-accent); color: #fff; }
.btn-dark {
  background: var(--color-dark);
  color: #fff;
  border: 2px solid var(--color-dark);
}
.btn-dark:hover { background: #333; }
.btn-outline-white {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.5);
}
.btn-outline-white:hover { background: rgba(255,255,255,0.1); border-color: #fff; }

/* ── Header ── */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 100;
  display: flex;
  align-items: center;
  padding: 0 40px;
  background: transparent;
  transition: background 0.3s, box-shadow 0.3s;
}
.header.scrolled {
  background: rgba(255,255,255,0.97);
  box-shadow: 0 1px 0 var(--color-border);
}
.header-inner { width: 100%; display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; flex-direction: column; line-height: 1.1; }
.logo-en {
  font-family: var(--font-latin);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-dark);
  letter-spacing: 0.06em;
}
.logo-en span { color: var(--color-accent); }
.logo-ja { font-size: 0.62rem; color: var(--color-muted); letter-spacing: 0.18em; }
.nav { display: flex; align-items: center; gap: 32px; }
.nav a { font-size: 0.85rem; color: var(--color-text); transition: color 0.2s; }
.nav a:hover { color: var(--color-accent); }
.nav .btn { padding: 10px 24px; font-size: 0.82rem; }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--color-text); transition: var(--transition); transform-origin: center; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--color-dark);
  color: var(--color-white);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('https://images.pexels.com/photos/3184360/pexels-photo-3184360.jpeg?auto=compress&cs=tinysrgb&w=1920&h=1080&fit=crop');
  background-size: cover;
  background-position: center;
  opacity: 0.25;
}
/* Geometric grid overlay */
.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(232,148,58,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232,148,58,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  z-index: 1;
}
/* Accent corner block */
.hero-accent-block {
  position: absolute;
  top: 0;
  right: 0;
  width: 6px;
  height: 100%;
  background: var(--color-accent);
  z-index: 2;
}
.hero-content {
  position: relative;
  z-index: 3;
  max-width: 760px;
  padding: 0 40px;
  padding-top: var(--header-h);
  margin-left: max(40px, calc((100vw - 1100px) / 2));
}
.hero-label {
  font-family: var(--font-latin);
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-label::before { content: ''; display: block; width: 32px; height: 2px; background: var(--color-accent); }
.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  line-height: 1.2;
  margin-bottom: 28px;
  font-weight: 800;
}
.hero h1 em { font-style: normal; color: var(--color-accent); }
.hero-sub {
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(255,255,255,0.75);
  margin-bottom: 44px;
  max-width: 520px;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }

/* ── Stats (dark section) ── */
.section-stats { background: var(--color-dark2); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid rgba(255,255,255,0.06);
}
.stat-item {
  padding: 56px 40px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.06);
  position: relative;
}
.stat-item:last-child { border-right: none; }
.stat-num {
  font-family: var(--font-latin);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  display: block;
}
.stat-unit {
  font-size: 1rem;
  color: rgba(255,255,255,0.5);
  margin-left: 4px;
}
.stat-label {
  display: block;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
  margin-top: 12px;
  letter-spacing: 0.05em;
}

/* ── About (light section) ── */
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-img {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}
.about-img img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}
/* Accent corner decoration */
.about-img::after {
  content: '';
  position: absolute;
  bottom: -12px;
  right: -12px;
  width: 80px;
  height: 80px;
  border-bottom: 4px solid var(--color-accent);
  border-right: 4px solid var(--color-accent);
}
.about-text { }
.about-features { margin-top: 32px; }
.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
}
.about-feature:last-child { border-bottom: none; }
.about-feature-num {
  font-family: var(--font-latin);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  min-width: 32px;
  padding-top: 2px;
}
.about-feature-body h4 { font-size: 0.95rem; margin-bottom: 4px; }
.about-feature-body p { font-size: 0.84rem; color: var(--color-muted); }

/* ── Service (dark) ── */
.section-service { background: var(--color-dark); color: var(--color-white); }
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: rgba(255,255,255,0.05);
}
.service-card {
  background: var(--color-dark);
  padding: 48px 36px;
  position: relative;
  transition: background var(--transition);
}
.service-card:hover { background: rgba(232,148,58,0.07); }
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}
.service-card:hover::before { transform: scaleX(1); }
.service-num {
  font-family: var(--font-latin);
  font-size: 3rem;
  font-weight: 800;
  color: rgba(232,148,58,0.25);
  line-height: 1;
  margin-bottom: 20px;
}
.service-card h3 { font-size: 1.1rem; margin-bottom: 14px; color: #fff; }
.service-card p { font-size: 0.86rem; color: rgba(255,255,255,0.6); line-height: 1.8; }
.service-card .service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 20px;
}
.service-tag {
  font-size: 0.7rem;
  border: 1px solid rgba(232,148,58,0.4);
  color: rgba(232,148,58,0.8);
  padding: 3px 10px;
  border-radius: 2px;
}

/* ── Process ── */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.process-grid::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: var(--color-border);
}
.process-item { padding: 0 20px; text-align: center; position: relative; z-index: 1; }
.process-step {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--color-white);
  border: 3px solid var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-family: var(--font-latin);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-accent);
  position: relative;
  z-index: 1;
}
.process-item h4 { font-size: 0.95rem; margin-bottom: 8px; }
.process-item p { font-size: 0.82rem; color: var(--color-muted); }

/* ── Voice ── */
.voice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.voice-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  position: relative;
  transition: box-shadow var(--transition);
}
.voice-card:hover { box-shadow: var(--shadow); }
.voice-card::before {
  content: '"';
  font-family: var(--font-latin);
  font-size: 4rem;
  color: var(--color-accent);
  opacity: 0.3;
  position: absolute;
  top: 16px;
  left: 20px;
  line-height: 1;
}
.voice-rating {
  color: var(--color-accent);
  font-size: 0.85rem;
  margin-bottom: 12px;
}
.voice-text { font-size: 0.87rem; line-height: 1.85; margin-bottom: 20px; padding-top: 12px; }
.voice-author { border-top: 1px solid var(--color-border); padding-top: 16px; }
.voice-author-name { font-size: 0.85rem; font-weight: 600; }
.voice-author-meta { font-size: 0.75rem; color: var(--color-muted); margin-top: 3px; }

/* ── CTA (dark) ── */
.section-cta { background: var(--color-dark); color: var(--color-white); text-align: center; padding: 100px 0; position: relative; overflow: hidden; }
.section-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 60px,
    rgba(232,148,58,0.03) 60px,
    rgba(232,148,58,0.03) 61px
  );
}
.cta-inner { position: relative; z-index: 1; }
.cta-inner h2 { font-size: clamp(1.5rem, 3.5vw, 2.4rem); margin-bottom: 16px; }
.cta-inner p { color: rgba(255,255,255,0.65); margin-bottom: 40px; }
.cta-btns { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ── Profile brief ── */
.profile-brief-inner {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 60px;
  align-items: center;
}
.profile-brief-img {
  position: relative;
}
.profile-brief-img img {
  width: 280px;
  height: 320px;
  object-fit: cover;
  object-position: top;
  border-radius: var(--radius);
  display: block;
}
.profile-brief-img::before {
  content: '';
  position: absolute;
  top: -8px;
  left: -8px;
  right: 8px;
  bottom: 8px;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius);
  z-index: -1;
}
.profile-brief-text { }
.profile-brief-text .section-label { margin-bottom: 8px; }
.profile-name { font-size: 2rem; font-weight: 800; margin-bottom: 4px; }
.profile-name-en { font-family: var(--font-latin); font-size: 0.9rem; color: var(--color-muted); letter-spacing: 0.1em; margin-bottom: 20px; }
.profile-brief-text p { font-size: 0.9rem; color: var(--color-muted); line-height: 1.9; }
.profile-career-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0; }
.profile-career-tag {
  font-size: 0.75rem;
  background: var(--color-base2);
  color: var(--color-text);
  padding: 4px 14px;
  border-radius: 2px;
  border: 1px solid var(--color-border);
}

/* ── Footer ── */
.footer { background: var(--color-dark2); color: rgba(255,255,255,0.7); padding: 60px 0 32px; }
.footer-inner { display: flex; justify-content: space-between; align-items: flex-start; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.06); flex-wrap: wrap; }
.footer-logo .logo-en { color: rgba(255,255,255,0.9); }
.footer-logo .logo-en span { color: var(--color-accent); }
.footer-logo p { font-size: 0.8rem; margin-top: 12px; color: rgba(255,255,255,0.4); max-width: 240px; }
.footer-nav-group h4 { font-size: 0.72rem; letter-spacing: 0.1em; color: rgba(255,255,255,0.35); margin-bottom: 16px; font-weight: 500; text-transform: uppercase; }
.footer-nav-group a { display: block; font-size: 0.84rem; margin-bottom: 10px; transition: color 0.2s; }
.footer-nav-group a:hover { color: #fff; }
.footer-sns { display: flex; gap: 12px; margin-top: 16px; }
.footer-sns a { width: 36px; height: 36px; border-radius: 2px; background: rgba(255,255,255,0.06); display: flex; align-items: center; justify-content: center; transition: background 0.2s; }
.footer-sns a:hover { background: rgba(255,255,255,0.12); }
.footer-sns img { width: 16px; height: 16px; filter: invert(1) opacity(0.7); }
.footer-copy { text-align: center; font-size: 0.72rem; color: rgba(255,255,255,0.25); padding-top: 24px; }

/* ── Page hero ── */
.page-hero {
  padding-top: calc(var(--header-h) + 80px);
  padding-bottom: 80px;
  background: var(--color-dark);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 6px;
  height: 100%;
  background: var(--color-accent);
}
.page-hero h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); margin-bottom: 12px; }
.page-hero .breadcrumb { font-size: 0.8rem; opacity: 0.5; display: flex; align-items: center; gap: 8px; margin-top: 8px; }
.page-hero .breadcrumb a { opacity: 0.8; }
.page-hero .breadcrumb a:hover { opacity: 1; }

/* ── Service page ── */
.service-detail { padding: 60px 0; border-bottom: 1px solid var(--color-border); }
.service-detail:last-child { border-bottom: none; }
.service-detail-inner { display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; align-items: start; }
.service-detail-inner.reverse { grid-template-columns: 1.5fr 1fr; }
.service-detail-inner.reverse > div:first-child { order: 2; }
.service-detail-inner.reverse > div:last-child { order: 1; }
.service-detail-img { border-radius: var(--radius); overflow: hidden; }
.service-detail-img img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.service-detail-body .service-tag-label {
  display: inline-block;
  font-size: 0.72rem;
  background: var(--color-accent);
  color: #fff;
  padding: 3px 12px;
  border-radius: 2px;
  margin-bottom: 16px;
  font-weight: 600;
  letter-spacing: 0.05em;
}
.service-detail-body h2 { font-size: 1.5rem; margin-bottom: 16px; border-left: 4px solid var(--color-accent); padding-left: 16px; }
.service-detail-body p { font-size: 0.9rem; color: var(--color-muted); line-height: 1.9; margin-bottom: 20px; }
.service-detail-list { }
.service-detail-list li { font-size: 0.88rem; padding: 10px 0; border-bottom: 1px solid var(--color-border); display: flex; align-items: center; gap: 10px; }
.service-detail-list li::before { content: '→'; color: var(--color-accent); font-weight: 700; flex-shrink: 0; }

/* ── Results page ── */
.result-item { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 40px; margin-bottom: 28px; transition: box-shadow var(--transition); }
.result-item:hover { box-shadow: var(--shadow); }
.result-industry { font-size: 0.72rem; background: var(--color-base2); color: var(--color-muted); padding: 3px 12px; border-radius: 2px; display: inline-block; margin-bottom: 16px; }
.result-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 20px; border-left: 4px solid var(--color-accent); padding-left: 16px; }
.result-before-after { display: grid; grid-template-columns: 1fr 48px 1fr; align-items: center; gap: 16px; margin-bottom: 20px; }
.result-box { background: var(--color-base2); border-radius: var(--radius); padding: 20px; }
.result-box-label { font-size: 0.7rem; font-weight: 700; margin-bottom: 8px; letter-spacing: 0.1em; }
.result-box-label.before { color: var(--color-muted); }
.result-box-label.after { color: var(--color-accent); }
.result-box p { font-size: 0.87rem; color: var(--color-muted); }
.result-arrow { text-align: center; color: var(--color-accent); font-size: 1.5rem; }
.result-metrics { display: flex; gap: 32px; flex-wrap: wrap; }
.result-metric { }
.result-metric-num { font-family: var(--font-latin); font-size: 2rem; font-weight: 800; color: var(--color-accent); }
.result-metric-label { font-size: 0.78rem; color: var(--color-muted); margin-top: 2px; }

/* ── Profile page ── */
.profile-page-hero-inner { display: grid; grid-template-columns: 320px 1fr; gap: 60px; align-items: end; padding-bottom: 60px; }
.profile-page-img img { width: 320px; height: 400px; object-fit: cover; object-position: top; border-radius: var(--radius); display: block; border: 3px solid rgba(232,148,58,0.3); }
.profile-page-intro h1 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 4px; }
.profile-page-intro .en { font-family: var(--font-latin); font-size: 0.9rem; color: rgba(255,255,255,0.5); letter-spacing: 0.12em; margin-bottom: 20px; }
.profile-page-intro p { font-size: 0.9rem; color: rgba(255,255,255,0.7); line-height: 1.9; }
.profile-page-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0; }
.profile-page-tag { font-size: 0.72rem; border: 1px solid rgba(232,148,58,0.4); color: rgba(232,148,58,0.85); padding: 4px 12px; border-radius: 2px; }
.career-timeline { position: relative; padding-left: 28px; }
.career-timeline::before { content: ''; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: var(--color-border); }
.timeline-item { position: relative; margin-bottom: 28px; }
.timeline-item::before { content: ''; position: absolute; left: -21px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--color-accent); border: 2px solid var(--color-white); }
.timeline-year { font-family: var(--font-latin); font-size: 0.78rem; font-weight: 700; color: var(--color-accent); margin-bottom: 4px; }
.timeline-text { font-size: 0.88rem; }

/* ── Contact page ── */
.contact-form { max-width: 680px; margin: 0 auto; }
.form-group { margin-bottom: 28px; }
.form-label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 8px; }
.form-label span { font-size: 0.72rem; background: var(--color-accent); color: #fff; padding: 2px 8px; border-radius: 2px; margin-left: 8px; }
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--color-text);
  background: #fff;
  transition: border-color 0.2s;
  outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--color-accent); }
.form-textarea { height: 160px; resize: vertical; }
.form-submit { display: flex; justify-content: center; margin-top: 36px; }
.form-note { font-size: 0.8rem; color: var(--color-muted); text-align: center; margin-top: 12px; }
.contact-info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 60px; }
.contact-info-card { background: var(--color-base2); border-radius: var(--radius); padding: 28px; }
.contact-info-icon { font-size: 1.5rem; margin-bottom: 12px; }
.contact-info-label { font-size: 0.72rem; color: var(--color-muted); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 6px; }
.contact-info-value { font-size: 0.9rem; font-weight: 600; }

/* ── Mobile ── */
@media (max-width: 900px) {
  .stats-grid { grid-template-columns: 1fr; }
  .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.06); }
  .about-inner { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .process-grid::before { display: none; }
  .voice-grid { grid-template-columns: 1fr; }
  .profile-brief-inner { grid-template-columns: 1fr; }
  .service-detail-inner, .service-detail-inner.reverse { grid-template-columns: 1fr; }
  .service-detail-inner.reverse > div:first-child { order: unset; }
  .service-detail-inner.reverse > div:last-child { order: unset; }
  .result-before-after { grid-template-columns: 1fr; }
  .result-arrow { transform: rotate(90deg); }
  .profile-page-hero-inner { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; }
  .contact-info-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .header { padding: 0 20px; }
  .nav { display: none; position: fixed; top: var(--header-h); left: 0; right: 0; background: var(--color-white); padding: 24px; flex-direction: column; gap: 0; box-shadow: 0 8px 24px rgba(0,0,0,0.1); }
  .nav.open { display: flex; }
  .nav a { padding: 14px 0; border-bottom: 1px solid var(--color-border); width: 100%; }
  .nav .btn { margin-top: 16px; text-align: center; }
  .hamburger { display: flex; }
  .hero-content { padding: 0 20px; padding-top: var(--header-h); margin-left: 0; }
  .process-grid { grid-template-columns: 1fr; }
}