/*
Theme Name: oheya360
Theme URI: https://oheya360.net
Author: oheya360
Author URI: https://oheya360.net
Description: Matterportを使用したデジタルツイン・バーチャルツアー制作のカスタムWordPressテーマ
Version: 2.0.0
License: GNU General Public License v2 or later
Text Domain: oheya360
*/

/* =========================================
   Accessibility
   ========================================= */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: 0.75rem 1.5rem;
  background: var(--color-accent);
  color: #000000;
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
  transition: top 0.2s;
}

.skip-link:focus {
  top: 1rem;
}

/* =========================================
   CSS Custom Properties
   ========================================= */
:root {
  --color-bg: #0a0a0a;
  --color-bg-secondary: #111111;
  --color-bg-card: #161616;
  --color-surface: #1a1a1a;
  --color-border: #2a2a2a;
  --color-text: #ffffff;
  --color-text-muted: #888888;
  --color-text-secondary: #cccccc;
  --color-accent: #00c8ff;
  --color-accent-dark: #0099cc;
  --color-accent-glow: rgba(0, 200, 255, 0.15);
  --color-gradient: linear-gradient(135deg, #00c8ff 0%, #0066ff 100%);

  --font-sans: 'Noto Sans JP', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-en: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-glow: 0 0 30px rgba(0, 200, 255, 0.2);

  --container-max: 1200px;
  --container-narrow: 800px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* =========================================
   Typography
   ========================================= */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.section-label {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  display: block;
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  max-width: 600px;
}

/* =========================================
   Layout Utilities
   ========================================= */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  padding: var(--spacing-xl) 0;
}

.section--dark {
  background-color: var(--color-bg);
}

.section--surface {
  background-color: var(--color-bg-secondary);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.text-center {
  text-align: center;
}

/* =========================================
   Buttons
   ========================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-gradient);
  color: #ffffff;
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn--outline {
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--ghost {
  color: var(--color-accent);
  padding-left: 0;
  padding-right: 0;
}

.btn--ghost::after {
  content: '';
  display: block;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition);
  margin-top: 2px;
}

.btn--ghost:hover::after {
  width: 100%;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* =========================================
   Tag / Badge
   ========================================= */
.tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 100px;
  background: var(--color-accent-glow);
  color: var(--color-accent);
  border: 1px solid rgba(0, 200, 255, 0.3);
}

/* =========================================
   Header / Navigation
   ========================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: background var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 var(--spacing-md);
  max-width: var(--container-max);
  margin: 0 auto;
}

.site-logo {
  font-family: var(--font-en);
  font-size: 1.375rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.site-logo span {
  color: var(--color-accent);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  padding: 0.625rem 1.5rem;
  font-size: 0.875rem;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition);
}

.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 {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu .nav-link {
  font-size: 1.5rem;
  color: var(--color-text);
}

/* =========================================
   Hero Section
   ========================================= */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(0, 200, 255, 0.05) 0%, transparent 70%),
              linear-gradient(to bottom, transparent 60%, var(--color-bg) 100%);
}

.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 200, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 200, 255, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% { transform: translateY(0); }
  100% { transform: translateY(60px); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.hero-eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}

.hero-eyebrow-text {
  font-family: var(--font-en);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.hero-title {
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero-title .accent {
  background: var(--color-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-muted);
  line-height: 1.8;
  max-width: 560px;
  margin-bottom: 3rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-border);
}

.hero-stat-number {
  font-family: var(--font-en);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.hero-stat-label {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* Hero scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  z-index: 1;
}

.hero-scroll-text {
  font-family: var(--font-en);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scrollDown 1.5s ease-in-out infinite;
}

@keyframes scrollDown {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.01% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* =========================================
   Matterport Embed
   ========================================= */
.matterport-showcase {
  position: relative;
  padding: 0 0 var(--spacing-xl);
  z-index: 1;
}

.matterport-frame-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: 0 0 80px rgba(0, 200, 255, 0.1);
}

.matterport-frame-wrapper::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-lg);
  background: var(--color-gradient);
  z-index: -1;
  opacity: 0.3;
}

.matterport-embed {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: none;
  display: block;
}

/* =========================================
   Services Section
   ========================================= */
.services-header {
  margin-bottom: var(--spacing-lg);
}

.service-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.service-card:hover {
  border-color: rgba(0, 200, 255, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--color-accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--color-accent);
}

.service-icon svg {
  width: 28px;
  height: 28px;
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.service-card p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}

/* =========================================
   Works / Portfolio
   ========================================= */
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.work-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: block;
}

.work-card:hover {
  border-color: rgba(0, 200, 255, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.work-card-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.work-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.work-card:hover .work-card-thumb img {
  transform: scale(1.05);
}

.work-card-thumb-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 200, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.work-card:hover .work-card-thumb-overlay {
  opacity: 1;
}

.work-card-play {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(10, 10, 10, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
}

.work-card-body {
  padding: 1.5rem;
}

.work-card-category {
  font-size: 0.75rem;
  color: var(--color-accent);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.work-card-title {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.work-card-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* Works filter */
.works-filter {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-md);
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-glow);
}

/* =========================================
   Process / Flow
   ========================================= */
.process-list {
  display: grid;
  gap: 0;
}

.process-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.process-item:last-child {
  border-bottom: none;
}

.process-number {
  font-family: var(--font-en);
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-border);
  line-height: 1;
  letter-spacing: -0.05em;
  transition: color var(--transition);
}

.process-item:hover .process-number {
  color: var(--color-accent);
}

.process-content h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.process-content p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}

/* =========================================
   Blog
   ========================================= */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.blog-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: block;
}

.blog-card:hover {
  border-color: rgba(0, 200, 255, 0.3);
  transform: translateY(-4px);
}

.blog-card-thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-surface);
}

.blog-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.blog-card:hover .blog-card-thumb img {
  transform: scale(1.05);
}

.blog-card-body {
  padding: 1.5rem;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.blog-card-date {
  font-family: var(--font-en);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.blog-card-title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 0.75rem;
}

.blog-card-excerpt {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* =========================================
   CTA Section
   ========================================= */
.cta-section {
  padding: var(--spacing-xl) 0;
  position: relative;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(0, 200, 255, 0.08) 0%, transparent 60%);
}

.cta-inner {
  position: relative;
  text-align: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 5rem 3rem;
  background: var(--color-bg-card);
}

.cta-inner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 1px;
  background: var(--color-gradient);
}

.cta-title {
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

.cta-desc {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* =========================================
   Contact Page
   ========================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 5rem;
  align-items: start;
}

.contact-info h2 {
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

.contact-info p {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-detail-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact-detail-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact-detail-icon svg {
  width: 18px;
  height: 18px;
}

.contact-detail-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.contact-detail-value {
  font-size: 0.9375rem;
  font-weight: 500;
}

/* Contact Form */
.contact-form-wrapper {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 3rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-text-secondary);
}

.form-label .required {
  color: var(--color-accent);
  margin-left: 0.25rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.875rem 1rem;
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  transition: border-color var(--transition);
  appearance: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 200, 255, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-textarea {
  min-height: 180px;
  resize: vertical;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23888' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-submit {
  width: 100%;
  padding: 1rem;
  font-size: 1rem;
}

/* CF7 override */
.wpcf7-form .wpcf7-not-valid-tip {
  color: #ff5f5f;
  font-size: 0.8125rem;
  margin-top: 0.375rem;
  display: block;
}

.wpcf7-form .wpcf7-response-output {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-top: 1.5rem;
  font-size: 0.9375rem;
}

.wpcf7-form.sent .wpcf7-response-output {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* =========================================
   Single Work Page
   ========================================= */
.work-hero {
  padding: 140px 0 60px;
}

.work-hero-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.work-hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 1.5rem;
}

.work-embed-section {
  padding: 0 0 var(--spacing-lg);
}

.work-info-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 5rem;
  padding: var(--spacing-lg) 0;
}

.work-description {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  line-height: 1.9;
}

.work-description p {
  margin-bottom: 1.5rem;
}

.work-meta-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.work-meta-item {
  border-top: 1px solid var(--color-border);
  padding-top: 1.5rem;
}

.work-meta-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.375rem;
}

.work-meta-value {
  font-size: 0.9375rem;
  font-weight: 500;
}

/* =========================================
   Blog Single
   ========================================= */
.post-hero {
  padding: 140px 0 60px;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.post-date {
  font-family: var(--font-en);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.post-title {
  font-size: clamp(1.75rem, 4vw, 3rem);
  margin-bottom: 2rem;
}

.post-thumb {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--spacing-lg);
  aspect-ratio: 16 / 7;
}

.post-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.post-content {
  max-width: 720px;
  margin: 0 auto;
  font-size: 1.0625rem;
  line-height: 1.9;
  color: var(--color-text-secondary);
}

.post-content h2 {
  font-size: 1.625rem;
  color: var(--color-text);
  margin: 2.5rem 0 1rem;
}

.post-content h3 {
  font-size: 1.25rem;
  color: var(--color-text);
  margin: 2rem 0 0.75rem;
}

.post-content p {
  margin-bottom: 1.5rem;
}

.post-content ul,
.post-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1.5rem;
  list-style: disc;
}

.post-content ol {
  list-style: decimal;
}

.post-content li {
  margin-bottom: 0.5rem;
}

.post-content blockquote {
  border-left: 3px solid var(--color-accent);
  padding-left: 1.5rem;
  margin: 2rem 0;
  color: var(--color-text-muted);
  font-style: italic;
}

.post-content a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: text-decoration-color var(--transition);
}

.post-content a:hover {
  text-decoration-color: var(--color-accent);
}

.post-content img {
  border-radius: var(--radius-md);
  margin: 2rem 0;
}

/* =========================================
   Page Header (inner pages)
   ========================================= */
.page-header {
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}

.page-header-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(0, 200, 255, 0.05) 0%, transparent 60%);
}

.page-header-content {
  position: relative;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.breadcrumb a:hover {
  color: var(--color-accent);
}

.breadcrumb-sep {
  color: var(--color-border);
}

/* =========================================
   Footer
   ========================================= */
.site-footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 3rem;
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--spacing-md);
}

.footer-brand .site-logo {
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.footer-copy span {
  color: var(--color-accent);
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.social-link {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: all var(--transition);
}

.social-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.social-link svg {
  width: 16px;
  height: 16px;
}

/* =========================================
   Scroll Reveal Animations
   ========================================= */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* =========================================
   Responsive
   ========================================= */
@media (max-width: 1024px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .work-info-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-xl: 5rem;
    --spacing-lg: 3rem;
  }

  .site-nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .grid-2,
  .grid-3,
  .works-grid,
  .blog-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }

  .cta-inner {
    padding: 3rem 1.5rem;
  }

  .contact-form-wrapper {
    padding: 2rem 1.5rem;
  }

  .process-item {
    grid-template-columns: 60px 1fr;
    gap: 1.5rem;
  }

  .section {
    padding: var(--spacing-lg) 0;
  }

  .section-title {
    font-size: clamp(1.75rem, 6vw, 2.5rem);
  }

  /* Process sticky サイドバーをノーマルフローに */
  .process-list + div[style*="sticky"] {
    position: relative !important;
    top: auto !important;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
  }

  .works-filter {
    gap: 0.5rem;
  }

  .cta-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .cta-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* =========================================
   WordPress Core Compatibility
   ========================================= */
.alignwide {
  margin-left: -2rem;
  margin-right: -2rem;
}

.alignfull {
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  max-width: 100vw;
}

.wp-caption {
  max-width: 100%;
}

.wp-caption-text {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 0.5rem;
}

.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* =========================================
   Hero Split Layout (v2)
   ========================================= */
.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-split .hero-stats {
  margin-top: 3rem;
  padding-top: 2rem;
}

.hero-right {
  position: relative;
}

.hero-preview {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: 0 0 60px rgba(0, 200, 255, 0.12), 0 0 120px rgba(0, 102, 255, 0.06);
  aspect-ratio: 4 / 3;
}

.hero-preview::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: calc(var(--radius-lg) + 1px);
  background: var(--color-gradient);
  z-index: -1;
  opacity: 0.35;
}

.hero-preview::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: radial-gradient(ellipse at 50% 100%, rgba(0, 200, 255, 0.08) 0%, transparent 60%);
  pointer-events: none;
  z-index: 2;
}

.hero-preview-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(0, 200, 255, 0.3);
  color: var(--color-accent);
  font-family: var(--font-en);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  padding: 0.375rem 0.875rem;
  border-radius: 100px;
}

.hero-preview-badge .hero-eyebrow-dot {
  width: 5px;
  height: 5px;
  flex-shrink: 0;
}


@media (max-width: 1024px) {
  .hero-split {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-right {
    display: none;
  }
}

/* =========================================
   Pricing Section (v2)
   ========================================= */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: var(--spacing-lg);
}

.pricing-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  position: relative;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.pricing-card--featured {
  border-color: rgba(0, 200, 255, 0.5);
  background: linear-gradient(160deg, rgba(0, 200, 255, 0.05) 0%, rgba(0, 102, 255, 0.05) 100%);
  transform: scale(1.02);
  box-shadow: var(--shadow-glow);
}

.pricing-card:hover {
  border-color: rgba(0, 200, 255, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.pricing-card--featured:hover {
  transform: scale(1.02) translateY(-4px);
}

.pricing-badge {
  position: absolute;
  top: -0.875rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-gradient);
  color: #fff;
  font-family: var(--font-en);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.3rem 1.25rem;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-tier {
  font-family: var(--font-en);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.pricing-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.pricing-price {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.pricing-price-from {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-right: 0.25rem;
}

.pricing-price-amount {
  font-family: var(--font-en);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
}

.pricing-price-unit {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-left: 0.25rem;
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  margin-bottom: 2rem;
  flex: 1;
}

.pricing-feature {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.pricing-feature .pricing-feature-icon {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 1px;
}

.pricing-feature .pricing-feature-icon span {
  display: flex;
}

.pricing-feature .pricing-feature-icon svg {
  width: 16px;
  height: 16px;
}

.pricing-note {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 2.5rem;
  line-height: 1.8;
}

@media (max-width: 1024px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }

  .pricing-card--featured {
    transform: none;
  }

  .pricing-card--featured:hover {
    transform: translateY(-4px);
  }
}

/* =========================================
   Blog Featured Post (v2)
   ========================================= */
.blog-featured {
  margin-bottom: var(--spacing-lg);
}

.blog-featured-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}

.blog-featured-card:hover {
  border-color: rgba(0, 200, 255, 0.3);
  box-shadow: var(--shadow-glow);
}

.blog-featured-thumb {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-surface);
}

.blog-featured-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.blog-featured-card:hover .blog-featured-thumb img {
  transform: scale(1.05);
}

.blog-featured-body {
  padding: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.blog-featured-label {
  font-family: var(--font-en);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
  display: block;
}

.blog-featured-title {
  font-size: 1.625rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.blog-featured-excerpt {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.blog-featured-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.blog-grid-label {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

@media (max-width: 768px) {
  .blog-featured-card {
    grid-template-columns: 1fr;
  }

  .blog-featured-thumb {
    aspect-ratio: 16 / 9;
  }

  .blog-featured-body {
    padding: 1.5rem;
  }

  .blog-featured-title {
    font-size: 1.25rem;
  }
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: var(--spacing-lg);
}

.page-numbers {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  transition: all var(--transition);
}

.page-numbers.current,
.page-numbers:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-glow);
}

/* =========================================
   Matterport Facade
   ========================================= */
.matterport-facade {
  position: relative;
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  background: var(--color-surface);
}

.matterport-facade-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.matterport-facade:hover .matterport-facade-thumb {
  transform: scale(1.03);
}

.matterport-facade-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.2);
  transition: background var(--transition);
}

.matterport-facade:hover .matterport-facade-overlay {
  background: rgba(0, 0, 0, 0.1);
}

.matterport-play-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: #ffffff;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-shadow: 0 1px 4px rgba(0,0,0,0.5);
  transition: transform var(--transition);
}

.matterport-facade:hover .matterport-play-btn {
  transform: scale(1.08);
}

.matterport-facade iframe.hero-preview-iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: var(--radius-lg);
}

/* =========================================
   FAQ Accordion Animation
   ========================================= */
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              padding 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0 1.5rem;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.faq-answer.open {
  max-height: 2000px; /* generous ceiling — content clips silently if exceeded */
  padding: 0 1.5rem 1.5rem;
}

/* =========================================
   Mobile Fixed CTA Bar
   ========================================= */
.mobile-cta-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 900;
  padding: 0.75rem 1rem calc(0.75rem + env(safe-area-inset-bottom));
  background: rgba(10, 10, 10, 0.95);
  border-top: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-cta-bar.visible {
  transform: translateY(0);
}

.mobile-cta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.875rem;
  background: var(--color-gradient);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.9375rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
}

.mobile-cta-btn svg {
  width: 18px;
  height: 18px;
}

@media (max-width: 768px) {
  .mobile-cta-bar {
    display: block;
  }
}

/* =========================================
   Testimonials
   ========================================= */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

@media (max-width: 1024px) {
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

.testimonial-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transition: border-color var(--transition), transform var(--transition);
}

.testimonial-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.testimonial-quote {
  color: var(--color-accent);
  opacity: 0.6;
}

.testimonial-text {
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--color-text-secondary);
  flex: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-accent-glow);
  border: 1px solid rgba(0, 200, 255, 0.3);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.testimonial-name {
  font-size: 0.875rem;
  font-weight: 600;
}

.testimonial-role {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}