/* =========================================================
   Portfolio Pro — Main Stylesheet
   Design: Dark mode, Bento grid, Glassmorphism, Modern
   ========================================================= */

/* ── CSS Variables ─────────────────────────────────────── */
:root {
  --bg:          #080810;
  --bg-2:        #0e0e1a;
  --bg-card:     rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --border:      rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.18);

  --text:        #f0f0f8;
  --text-muted:  rgba(240, 240, 248, 0.55);
  --text-faint:  rgba(240, 240, 248, 0.3);

  --accent-1:    #7c3aed;   /* violet */
  --accent-2:    #2563eb;   /* blue */
  --accent-glow: rgba(124, 58, 237, 0.35);

  --radius-sm:   8px;
  --radius-md:   16px;
  --radius-lg:   24px;
  --radius-xl:   32px;

  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 60px rgba(124, 58, 237, 0.2);

  --header-h:    72px;
  --transition:  0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset & Base ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; }

/* ── Typography ────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Syne', 'Inter', sans-serif;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.text-gradient {
  background: linear-gradient(135deg, var(--accent-1) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Layout ────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 120px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-1);
  background: rgba(124, 58, 237, 0.12);
  border: 1px solid rgba(124, 58, 237, 0.25);
  border-radius: 999px;
  padding: 6px 16px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  margin-bottom: 16px;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.125rem;
  max-width: 560px;
  margin: 0 auto;
}

/* ── Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  color: #fff;
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(124, 58, 237, 0.55);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-hover);
}
.btn-ghost:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255,255,255,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-hover);
}
.btn-outline:hover {
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.btn-lg { padding: 16px 32px; font-size: 1rem; border-radius: var(--radius-lg); }
.btn-full { width: 100%; justify-content: center; }

/* ── Header ────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  transition: var(--transition);
}

.site-header.scrolled {
  background: rgba(8, 8, 16, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 40px;
  height: 100%;
}

.site-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.site-logo img { height: 36px; width: auto; }
.site-logo svg {
  width: 180px;
  height: auto;
  transition: opacity 0.3s;
}
.logo-text {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.site-nav { margin-left: auto; }
.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-list a {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
}
.nav-list a:hover,
.nav-list .current-menu-item > a {
  color: var(--text);
  background: var(--bg-card);
}

.header-cta { flex-shrink: 0; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
  transform-origin: center;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(320px, 80vw);
  background: #0e0e1a;
  border-left: 1px solid var(--border);
  z-index: 99;
  padding: calc(var(--header-h) + 24px) 32px 32px;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu ul { display: flex; flex-direction: column; gap: 4px; }
.mobile-nav-link {
  display: block;
  padding: 14px 16px;
  font-size: 1.125rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  transition: var(--transition);
}
.mobile-nav-link:hover { color: var(--text); background: var(--bg-card); }

.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 98;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s;
}
.mobile-overlay.show { opacity: 1; pointer-events: all; }

/* ── Hero ──────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--header-h);
}

.hero-bg { position: absolute; inset: 0; pointer-events: none; }

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.5;
}
.hero-glow-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(124,58,237,0.4) 0%, transparent 70%);
  top: -100px;
  right: -100px;
}
.hero-glow-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(37,99,235,0.3) 0%, transparent 70%);
  bottom: 50px;
  left: -50px;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 80px 24px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 20px;
  margin-bottom: 28px;
}
.hero-tag .dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 8px #22c55e;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero-title {
  font-size: clamp(3rem, 8vw, 4.5rem);
  line-height: 1.05;
  margin-bottom: 24px;
  font-weight: 300;
  font-style: italic;
}

.hero-subcopy {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  line-height: 1.6;
  color: var(--text);
  margin-bottom: 24px;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 900px;
  margin-bottom: 40px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
}
.stat {
  display: flex;
  flex-direction: column;
  padding: 0 32px;
}
.stat:first-child { padding-left: 0; }
.stat-number {
  font-size: 2rem;
  font-weight: 800;
  font-family: 'Syne', sans-serif;
  letter-spacing: -0.02em;
}
.stat-suffix { font-size: 1.25rem; font-weight: 700; color: var(--accent-1); display: inline; }
.stat-label { font-size: 0.8125rem; color: var(--text-muted); margin-top: 2px; }
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}
.scroll-indicator span {
  display: block;
  width: 24px;
  height: 40px;
  border: 2px solid var(--border-hover);
  border-radius: 12px;
  position: relative;
}
.scroll-indicator span::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--text);
  border-radius: 2px;
  animation: scroll-dot 2s infinite;
}
@keyframes scroll-dot {
  0% { top: 6px; opacity: 1; }
  100% { top: 20px; opacity: 0; }
}

/* ── About ─────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-img-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4/5;
  background: var(--bg-card);
  border: 1px solid var(--border);
}
.about-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.about-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-faint);
}
.about-img-badge {
  position: absolute;
  bottom: 20px;
  right: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(8,8,16,0.85);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  font-size: 0.875rem;
  font-weight: 600;
  color: #22c55e;
}

.about-content .section-title { margin-bottom: 20px; }
.about-text { color: var(--text-muted); margin-bottom: 16px; }

.skills-grid {
  margin: 32px 0 40px;
  display: grid;
  gap: 16px;
}
.skill-item {}
.skill-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 8px;
}
.skill-level { color: var(--text-muted); }
.skill-bar {
  height: 6px;
  background: var(--bg-card);
  border-radius: 3px;
  overflow: hidden;
}
.skill-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
  border-radius: 3px;
  width: 0;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Services / Bento ──────────────────────────────────── */
.services { background: var(--bg-2); }

.services-bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 16px;
}

.bento-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.bento-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: radial-gradient(circle at top left, rgba(124,58,237,0.07), transparent 60%);
  opacity: 0;
  transition: var(--transition);
}
.bento-card:hover { border-color: var(--border-hover); transform: translateY(-4px); }
.bento-card:hover::before { opacity: 1; }

.bento-large { grid-column: span 2; }
.bento-wide  { grid-column: span 2; }

.bento-icon {
  width: 56px;
  height: 56px;
  background: rgba(124, 58, 237, 0.15);
  border: 1px solid rgba(124, 58, 237, 0.25);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-1);
  margin-bottom: 20px;
}

.bento-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}
.bento-card p {
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.65;
}
.bento-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}
.bento-tags span {
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(124,58,237,0.1);
  border: 1px solid rgba(124,58,237,0.2);
  color: var(--accent-1);
}

/* ── Works ─────────────────────────────────────────────── */
.works-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 48px;
}
.filter-btn {
  padding: 8px 20px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
.filter-btn.active,
.filter-btn:hover {
  background: var(--accent-1);
  border-color: var(--accent-1);
  color: #fff;
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.work-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition);
}
.work-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}

.work-card-image {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--bg-2);
}
.work-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
}
.work-card:hover .work-card-image img { transform: scale(1.06); }

.work-card-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-faint);
}

.work-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(8, 8, 16, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}
.work-card:hover .work-card-overlay { opacity: 1; }
.work-card-view {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-weight: 600;
  font-size: 0.9375rem;
  background: var(--accent-1);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  transform: translateY(8px);
  transition: transform 0.3s;
}
.work-card:hover .work-card-view { transform: translateY(0); }

.work-card-body { padding: 24px; }
.work-card-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-1);
  margin-bottom: 10px;
}
.work-card-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.35;
}
.work-card-excerpt {
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.work-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.work-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.tech-badge {
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.07);
  border: 1px solid var(--border);
  color: var(--text-muted);
}
.tech-badge-lg {
  font-size: 0.875rem;
  padding: 6px 14px;
}
.work-year {
  font-size: 0.8125rem;
  color: var(--text-faint);
}

.works-cta { text-align: center; margin-top: 56px; }
.works-empty { text-align: center; padding: 80px 0; color: var(--text-muted); }

/* ── Process ───────────────────────────────────────────── */
.process { background: var(--bg-2); }
.process-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  flex-wrap: wrap;
}
.process-step {
  flex: 1;
  min-width: 160px;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 16px;
  transition-delay: var(--delay, 0s);
}
.step-number {
  font-family: 'Syne', sans-serif;
  font-size: 3.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 16px;
}
.step-content h3 { font-size: 1rem; margin-bottom: 8px; }
.step-content p { font-size: 0.875rem; color: var(--text-muted); line-height: 1.6; }
.step-arrow {
  position: absolute;
  top: 20px;
  right: -12px;
  color: var(--text-faint);
  z-index: 1;
}

/* ── Contact ───────────────────────────────────────────── */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 64px;
}
.contact-info .section-title { margin-bottom: 16px; }
.contact-info > p { color: var(--text-muted); margin-bottom: 32px; }
.contact-features { display: flex; flex-direction: column; gap: 12px; }
.contact-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9375rem;
  color: var(--text-muted);
}
.contact-feature-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(124,58,237,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-1);
  flex-shrink: 0;
}

/* Form */
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
}
.required { color: var(--accent-1); }
.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  color: var(--text);
  font-size: 0.9375rem;
  transition: var(--transition);
  resize: vertical;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-1);
  background: rgba(124,58,237,0.05);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.15);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-faint); }
.form-group select option { background: var(--bg-2); }

.form-result {
  font-size: 0.9375rem;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  display: none;
}
.form-result.success {
  display: block;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #22c55e;
}
.form-result.error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

@keyframes spin { to { transform: rotate(360deg); } }
.spin { animation: spin 0.8s linear infinite; }

/* ── Contact Form 7 ────────────────────────────────────── */
/* CF7 のデフォルト CSS を無効化しテーマスタイルで統一 */

.wpcf7 { width: 100%; }

/* form-group ラップ対応（autop 無効前提） */
.wpcf7 .form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}
.wpcf7 .form-group:last-of-type { margin-bottom: 0; }

.wpcf7 label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
}

/* テキスト・メール・URL・電話・数値・日付 */
.wpcf7 input:not([type="submit"]),
.wpcf7 select,
.wpcf7 textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text);
  font-size: 0.9375rem;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
  resize: vertical;
}

.wpcf7 input:not([type="submit"]):focus,
.wpcf7 select:focus,
.wpcf7 textarea:focus {
  outline: none;
  border-color: var(--accent-1);
  background: rgba(255, 255, 255, 0.07);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

.wpcf7 input::placeholder,
.wpcf7 textarea::placeholder { color: var(--text-faint); }
.wpcf7 select option { background: var(--bg-2); }

/* span ラッパーをブロック化 */
.wpcf7 .wpcf7-form-control-wrap { display: block; }

/* 送信ボタン */
.wpcf7 input[type="submit"] {
  width: 100%;
  padding: 14px 28px;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  border: none;
  border-radius: var(--radius-md);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition);
  margin-top: 4px;
}
.wpcf7 input[type="submit"]:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}
.wpcf7 input[type="submit"]:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* バリデーションエラー */
.wpcf7 .wpcf7-not-valid {
  border-color: #ef4444 !important;
}
.wpcf7 .wpcf7-not-valid-tip {
  font-size: 0.8125rem;
  color: #ef4444;
  margin-top: 4px;
  display: block;
}

/* レスポンス（送信結果） */
.wpcf7 .wpcf7-response-output {
  margin: 16px 0 0 !important;
  padding: 12px 16px !important;
  border-radius: var(--radius-md) !important;
  font-size: 0.9375rem !important;
  border-width: 1px !important;
  border-style: solid !important;
}
.wpcf7 .wpcf7-mail-sent-ok {
  background: rgba(34, 197, 94, 0.1) !important;
  border-color: rgba(34, 197, 94, 0.3) !important;
  color: #22c55e !important;
}
.wpcf7 .wpcf7-mail-sent-ng,
.wpcf7 .wpcf7-validation-errors,
.wpcf7 .wpcf7-spam-blocked,
.wpcf7 .wpcf7-acceptance-missing {
  background: rgba(239, 68, 68, 0.1) !important;
  border-color: rgba(239, 68, 68, 0.3) !important;
  color: #ef4444 !important;
}

/* CF7 デフォルトスピナーを非表示（送信中はボタンの disabled で表現） */
.wpcf7 .wpcf7-spinner { display: none !important; }

/* CF7 未インストール時のプレースホルダー */
.cf7-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 48px 24px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  color: var(--text-faint);
  text-align: center;
}
.cf7-placeholder svg { opacity: 0.4; }
.cf7-placeholder p { font-size: 0.9375rem; line-height: 1.7; margin: 0; }
.cf7-notice {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: 0.9375rem;
}

/* ── Portfolio Single ──────────────────────────────────── */
.single-portfolio-main { padding-top: var(--header-h); }

.portfolio-hero {
  position: relative;
  padding: 80px 0 60px;
  overflow: hidden;
}
.portfolio-hero-bg { position: absolute; inset: 0; pointer-events: none; }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}
.breadcrumb a:hover { color: var(--text); }
.breadcrumb span { color: var(--text-faint); }

.portfolio-title { font-size: clamp(2rem, 5vw, 3.5rem); margin-bottom: 16px; }
.portfolio-lead {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 640px;
  margin-bottom: 40px;
}

.portfolio-meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.portfolio-meta-item { display: flex; flex-direction: column; gap: 4px; }
.meta-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-faint); }
.meta-value { font-weight: 600; }

.portfolio-thumbnail {
  padding: 0 0 80px;
}
.portfolio-main-img {
  width: 100%;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
}

.portfolio-body-wrapper {
  padding-bottom: 80px;
}
.portfolio-content {
  max-width: 760px;
}
.portfolio-content h2, .portfolio-content h3 { margin: 32px 0 16px; }
.portfolio-content p { color: var(--text-muted); margin-bottom: 20px; }
.portfolio-content img { border-radius: var(--radius-lg); margin: 32px 0; }
.portfolio-content ul, .portfolio-content ol {
  list-style: revert;
  padding-left: 28px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.portfolio-tech-section { margin-top: 48px; padding-top: 48px; border-top: 1px solid var(--border); }
.portfolio-tech-section h3 { font-size: 1.25rem; margin-bottom: 20px; }
.tech-list { display: flex; flex-wrap: wrap; gap: 10px; }

.portfolio-navigation {
  padding: 48px 0 80px;
  border-top: 1px solid var(--border);
}
.nav-links {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: var(--transition);
  max-width: 300px;
}
.nav-link:hover { border-color: var(--border-hover); transform: translateX(0) translateY(-2px); }
.nav-next { margin-left: auto; text-align: right; }
.nav-label { display: block; font-size: 0.75rem; color: var(--text-faint); margin-bottom: 4px; }
.nav-title { display: block; font-weight: 600; font-size: 0.9375rem; }

/* ── Archive ───────────────────────────────────────────── */
.archive-portfolio-main { padding-top: var(--header-h); }
.archive-hero {
  position: relative;
  padding: 80px 0 60px;
  overflow: hidden;
  text-align: center;
}
.archive-title { font-size: clamp(2.5rem, 6vw, 4rem); margin-bottom: 16px; }
.archive-desc { color: var(--text-muted); font-size: 1.125rem; }
.archive-content { padding: 48px 0 100px; }

/* ── Blog ──────────────────────────────────────────────── */
.blog-main { padding: calc(var(--header-h) + 60px) 0 100px; }
.blog-header { margin-bottom: 48px; }
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition);
}
.blog-card:hover { transform: translateY(-4px); border-color: var(--border-hover); }
.blog-card-image { aspect-ratio: 16/9; overflow: hidden; }
.blog-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.blog-card:hover .blog-card-image img { transform: scale(1.05); }
.blog-card-body { padding: 24px; }
.blog-card-meta { font-size: 0.8125rem; color: var(--text-faint); margin-bottom: 10px; }
.blog-card-title { font-size: 1.0625rem; font-weight: 700; margin-bottom: 10px; line-height: 1.4; }
.blog-card-excerpt { font-size: 0.875rem; color: var(--text-muted); line-height: 1.6; }

/* ── Single Post ───────────────────────────────────────── */
.single-post-main { padding: calc(var(--header-h) + 60px) 0 100px; }
.single-post { max-width: 760px; margin: 0 auto; }
.post-header { margin-bottom: 40px; }
.post-meta { font-size: 0.875rem; color: var(--text-muted); margin-bottom: 16px; display: flex; gap: 16px; }
.post-meta a:hover { color: var(--accent-1); }
.post-title { font-size: clamp(2rem, 5vw, 3rem); }
.post-thumbnail { margin-bottom: 40px; border-radius: var(--radius-xl); overflow: hidden; }
.post-thumbnail img { width: 100%; }
.post-content h2, .post-content h3 { margin: 40px 0 16px; }
.post-content p { color: var(--text-muted); margin-bottom: 20px; }
.post-content a { color: #fff; text-decoration: underline;text-decoration: none; }
.post-content img { border-radius: var(--radius-lg); margin: 32px 0; width: 100%; }
.post-content ul, .post-content ol { list-style: revert; padding-left: 28px; color: var(--text-muted); margin-bottom: 20px; }
.post-content code { background: var(--bg-card); border: 1px solid var(--border); border-radius: 4px; padding: 2px 6px; font-size: 0.875em; }
.post-content pre { background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 24px; overflow-x: auto; margin-bottom: 24px; }
.post-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 40px 0; }
.post-nav { display: flex; justify-content: space-between; gap: 16px; margin-top: 48px; padding-top: 48px; border-top: 1px solid var(--border); }

/* ── Pages ─────────────────────────────────────────────── */
.page-main { padding: calc(var(--header-h) + 60px) 0 100px; }
.page-title { font-size: clamp(2rem, 5vw, 3rem); margin-bottom: 40px; }

/* ── About actions (ボタン横並び) ──────────────────────── */
.about-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.about-page-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 56px; padding-top: 40px; border-top: 1px solid var(--border); }

/* ── Legal (Privacy Policy 等) ─────────────────────────── */
.legal-content { max-width: 820px; }
.legal-content h2 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  margin: 48px 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.legal-content h2:first-child { margin-top: 0; }
.legal-content p { line-height: 1.9; }
.legal-content ul { line-height: 1.9; }
.legal-content ul li { margin-bottom: 8px; }
.legal-dates {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-faint);
}

/* ── 404 ───────────────────────────────────────────────── */
.error-main { padding: calc(var(--header-h) + 60px) 0 100px; }
.error-container { text-align: center; }
.error-code {
  font-size: 10rem;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 24px;
}
.error-content h1 { font-size: 2rem; margin-bottom: 16px; }
.error-content p { color: var(--text-muted); margin-bottom: 32px; }

/* ── Footer ────────────────────────────────────────────── */
.site-footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 80px 0 40px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 64px;
  margin-bottom: 60px;
}
.footer-logo {
  display: inline-block;
  margin-bottom: 16px;
}
.footer-logo svg {
  width: 200px;
  height: auto;
  transition: opacity 0.3s;
}
.footer-tagline { color: var(--text-muted); font-size: 0.9375rem; margin-bottom: 24px; }
.social-links { display: flex; gap: 12px; }
.social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition);
}
.social-link:hover { color: var(--text); border-color: var(--border-hover); background: var(--bg-card-hover); }

.footer-nav h4 { font-size: 0.875rem; font-weight: 600; margin-bottom: 20px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; }
.footer-nav ul { display: flex; flex-direction: column; gap: 10px; }
.footer-nav a { color: var(--text-muted); font-size: 0.9375rem; transition: var(--transition); }
.footer-nav a:hover { color: var(--text); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  font-size: 0.875rem;
  color: var(--text-faint);
}
.footer-legal a {
  color: var(--text-muted);
  transition: color 0.2s ease;
}
.footer-legal a:hover { color: var(--text); }

/* ── Pagination ────────────────────────────────────────── */
.pagination { margin-top: 64px; }
.pagination .page-numbers {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  list-style: none;
}
.pagination .page-numbers li a,
.pagination .page-numbers li span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.9375rem;
  transition: var(--transition);
}
.pagination .page-numbers li .current,
.pagination .page-numbers li a:hover {
  background: var(--accent-1);
  border-color: var(--accent-1);
  color: #fff;
}

/* ── Animations ────────────────────────────────────────── */
.animate-fade-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.7s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

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

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1), transform 0.7s cubic-bezier(0.4,0,0.2,1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-image { max-width: 400px; }
  .services-bento { grid-template-columns: repeat(2, 1fr); }
  .bento-large { grid-column: span 2; }
  .works-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: span 2; }
}

@media (max-width: 768px) {
  .section { padding: 80px 0; }
  .site-nav, .header-cta { display: none; }
  .hamburger { display: flex; }

  .site-logo svg { width: 240px; }

  .hero-title { font-size: clamp(2.5rem, 10vw, 3rem); }
  .hero-stats { gap: 0; }
  .stat { padding: 0 20px; }
  .stat-number { font-size: 1.5rem; }

  .services-bento { grid-template-columns: 1fr; }
  .bento-large, .bento-wide { grid-column: span 1; }
  .works-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }

  .contact-wrapper { grid-template-columns: 1fr; padding: 40px 28px; gap: 48px; }

  .process-steps { flex-direction: column; gap: 24px; }
  .process-step { flex-direction: row; text-align: left; align-items: flex-start; padding: 0; width: 100%; }
  .step-number { font-size: 1.8rem; min-width: 64px; }
  .step-arrow { display: none; }

  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-brand { grid-column: span 1; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }

  .portfolio-meta-bar { gap: 20px; }
  .nav-links { flex-direction: column; }
  .nav-link { max-width: 100%; }
}

@media (max-width: 480px) {
  span.text-gradient{ font-size: 2.0rem; }
  .container { padding: 0 16px; }
  .hero-actions { flex-direction: column; }
  .hero-stats { gap: 0; }
  .stat { padding: 0 12px; }
  .contact-wrapper { padding: 28px 20px; }
}

/* ── Service Pages ─────────────────────────────────────── */
.service-hero {
  min-height: 60vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 80px) 0 80px;
  position: relative;
  overflow: hidden;
}
.service-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 800px 600px at 60% 40%, rgba(37,99,235,0.08), transparent);
  pointer-events: none;
}
.service-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  transition: color var(--transition);
}
.service-back:hover { color: var(--text); }
.service-hero-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
}
.service-hero-desc {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 560px;
  margin-bottom: 40px;
}
.service-hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.service-overview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.service-feature-list { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.service-feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}
.feature-check {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(37,99,235,0.12);
  border: 1px solid rgba(37,99,235,0.3);
  flex-shrink: 0;
  margin-top: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-2);
}

.service-includes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pricing-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}
.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: border-color var(--transition);
  position: relative;
}
.pricing-card:hover { border-color: var(--border-hover); }
.pricing-card.featured {
  border-color: rgba(37,99,235,0.4);
  background: rgba(37,99,235,0.04);
}
.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 4px 14px;
  border-radius: 20px;
  white-space: nowrap;
}
.pricing-plan {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 12px;
}
.pricing-price {
  font-family: 'Syne', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 4px;
}
.pricing-price span { font-size: 0.9375rem; font-weight: 400; color: var(--text-muted); }
.pricing-note { font-size: 0.8125rem; color: var(--text-faint); margin-bottom: 24px; }
.pricing-divider { height: 1px; background: var(--border); margin-bottom: 24px; }
.pricing-features { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 32px; }
.pricing-features li {
  font-size: 0.875rem;
  color: var(--text-muted);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.pricing-features li::before { content: '✓'; color: var(--accent-2); font-weight: 700; flex-shrink: 0; }

.service-cta-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 80px;
  text-align: center;
}
.service-cta-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 16px;
}
.service-cta-desc {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 480px;
  margin: 0 auto 40px;
}
.service-cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

@media (max-width: 1024px) {
  .service-overview-grid { grid-template-columns: 1fr; gap: 48px; }
  .service-includes-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-cards { grid-template-columns: 1fr; max-width: 480px; margin-inline: auto; }
}
@media (max-width: 768px) {
  .service-hero { min-height: auto; padding: calc(var(--header-h) + 60px) 0 60px; }
  .service-cta-wrapper { padding: 48px 28px; }
  .service-includes-grid { grid-template-columns: 1fr; }
}

/* ── Lightbox ──────────────────────────────────────────── */
.lightbox-trigger {
  display: block;
  cursor: zoom-in;
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.lightbox-trigger::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0);
  transition: background var(--transition);
  pointer-events: none;
}
.lightbox-trigger:hover::after {
  background: rgba(0, 0, 0, 0.3);
}

/* lightbox は display:none で始まり、is-open クラスで表示 */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.92);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.lightbox.is-open {
  display: flex;
}

.lightbox-inner {
  position: relative;
  cursor: default;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 90vw;
  max-height: 90vh;
  animation: lbZoomIn 0.25s ease;
}

.lightbox-close {
  position: absolute;
  top: -48px;
  right: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.2s;
}
.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: rotate(90deg);
}

.lightbox-img {
  display: block;
  max-width: 90vw;
  max-height: 82vh;
  object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.8);
  cursor: zoom-in;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.lightbox-img.is-zoomed {
  transform: scale(3.2);
  cursor: zoom-out;
}

.lightbox-caption {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
  margin-top: 12px;
  text-align: center;
}

.portfolio-content img { cursor: zoom-in; }

@keyframes lbZoomIn {
  from { opacity: 0; transform: scale(0.9); }
  to   { opacity: 1; transform: scale(1); }
}