/* ==========================================================================
   beside Official Website - Clean & Warm Professional Style (v15)
   Design Concept: White × Orange (Clean × Creative × Professional × Warm)
   ========================================================================== */

:root {
  --color-white: #FFFFFF;
  --color-bg-light: #F8FAFC;
  --color-bg-subtle: #F1F5F9;
  --color-border: #E2E8F0;
  --color-border-hover: #CBD5E1;
  
  --color-orange: #E07A5F;
  --color-orange-dark: #C85A3F;
  --color-orange-light: #FFF1EE;
  --color-orange-border: #FAD4C0;
  
  --color-dark: #0F172A;
  --color-text-main: #1E293B;
  --color-text-sub: #475569;
  --color-text-muted: #64748B;
  
  --color-green: #06C755;
  --color-apple: #FA243C;
  --color-spotify: #1DB954;
  --color-youtube: #FF0000;
  
  --font-main: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-en: 'Outfit', sans-serif;
  
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 6px 20px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 36px rgba(15, 23, 42, 0.08);
  --shadow-orange: 0 6px 20px rgba(224, 122, 95, 0.25);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  font-family: var(--font-main);
  background-color: var(--color-white);
  color: var(--color-text-main);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* Typography Helpers */
.section-tag {
  display: inline-block;
  color: var(--color-orange);
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.section-heading {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--color-dark);
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

.section-lead {
  font-size: 1rem;
  color: var(--color-text-sub);
  line-height: 1.8;
  max-width: 680px;
  margin: 0 auto;
}

/* Common Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-weight: 800;
  font-size: 0.95rem;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  text-align: center;
}

.btn-primary {
  background-color: var(--color-orange);
  color: var(--color-white);
  box-shadow: var(--shadow-orange);
}

.btn-primary:hover {
  background-color: var(--color-orange-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(224, 122, 95, 0.35);
}

.btn-outline {
  background-color: var(--color-white);
  border: 2px solid var(--color-dark);
  color: var(--color-dark);
}

.btn-outline:hover {
  background-color: var(--color-dark);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

/* ==========================================================================
   1. Header
   ========================================================================== */
header#site-header {
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.site-logo img {
  height: 32px;
  width: auto;
}

nav#site-nav ul {
  display: flex;
  list-style: none;
  gap: 28px;
  align-items: center;
}

nav#site-nav a {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-text-main);
  position: relative;
  padding: 4px 0;
}

nav#site-nav a:not(.nav-cta):hover {
  color: var(--color-orange);
}

nav#site-nav .nav-cta {
  background-color: var(--color-orange);
  color: var(--color-white) !important;
  padding: 8px 22px;
  border-radius: var(--radius-full);
  font-weight: 800 !important;
  box-shadow: var(--shadow-orange);
}

nav#site-nav .nav-cta:hover {
  background-color: var(--color-orange-dark);
  transform: translateY(-2px);
}

/* Hamburger */
#menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.hamburger-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-dark);
  margin: 5px 0;
  transition: var(--transition);
}

/* ==========================================================================
   2. HERO Section
   ========================================================================== */
.hero-section {
  padding: 80px 0 60px 0;
  background: linear-gradient(180deg, #FFFFFF 0%, var(--color-bg-light) 100%);
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}

.hero-tagline {
  display: inline-block;
  color: var(--color-orange);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 18px;
  background: var(--color-orange-light);
  padding: 6px 18px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-orange-border);
}

.hero-logo-box {
  margin: 12px 0 24px 0;
}

.hero-logo-img {
  max-width: 280px;
  height: auto;
  margin: 0 auto;
}

.hero-title-main {
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--color-dark);
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.hero-sub-desc {
  font-size: 1.15rem;
  color: var(--color-text-sub);
  line-height: 1.8;
  font-weight: 500;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ==========================================================================
   3. AI Speed Banner (HERO導線)
   ========================================================================== */
.ai-speed-lead-banner {
  margin-top: 48px;
}

.ai-speed-banner-card {
  background: linear-gradient(135deg, #FFFFFF 0%, var(--color-orange-light) 100%);
  border: 2px solid var(--color-orange-border);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  transition: var(--transition);
}

.ai-speed-banner-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-orange);
}

.ai-speed-badge {
  background: var(--color-orange);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 900;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  display: inline-block;
  margin-bottom: 6px;
}

.ai-speed-title {
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--color-dark);
}

.ai-speed-desc {
  font-size: 0.9rem;
  color: var(--color-text-sub);
  margin-top: 2px;
}

.ai-speed-price {
  font-family: var(--font-en);
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--color-orange-dark);
}

/* ==========================================================================
   4. About & Producer Profile (隈元 勇樹)
   ========================================================================== */
.about-section {
  padding: 100px 0;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 60px;
}

.producer-photo-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.producer-photo-img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.producer-photo-card:hover .producer-photo-img {
  transform: scale(1.03);
}

.producer-photo-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px 28px;
  background: linear-gradient(180deg, transparent 0%, rgba(15, 23, 42, 0.9) 100%);
  color: var(--color-white);
}

.producer-role-en {
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: #FFD166;
  text-transform: uppercase;
}

.producer-name-jp {
  font-size: 1.6rem;
  font-weight: 900;
}

.about-text-pane h2 {
  font-size: 2.3rem;
  font-weight: 900;
  color: var(--color-dark);
  line-height: 1.35;
  margin-bottom: 24px;
}

.about-message-quote {
  background: var(--color-orange-light);
  border-left: 4px solid var(--color-orange);
  padding: 20px 24px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.7;
  margin-bottom: 24px;
}

.about-bio-text {
  font-size: 0.95rem;
  color: var(--color-text-sub);
  line-height: 1.85;
  margin-bottom: 16px;
}

/* Voice Training Credential List */
.voice-cred-box {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-top: 24px;
}

.voice-cred-title {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.voice-cred-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.voice-cred-tag {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-text-main);
}

/* ==========================================================================
   5. Stats Numbers Section (実績数字)
   ========================================================================== */
.stats-section {
  padding: 60px 0;
  background-color: var(--color-bg-light);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item {
  background: var(--color-white);
  padding: 32px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-orange-border);
}

.stat-number {
  font-family: var(--font-en);
  font-size: 3.6rem;
  font-weight: 900;
  color: var(--color-orange);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label-en {
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--color-dark);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.stat-label-jp {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   6. Works Section (制作実績 / Featured Works)
   ========================================================================== */
.works-section {
  padding: 100px 0;
  background-color: var(--color-white);
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.work-card {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  position: relative;
}

.work-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-orange-border);
  background: var(--color-white);
}

.work-artist-name {
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--color-dark);
  margin-bottom: 4px;
}

.work-song-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-orange-dark);
  margin-bottom: 12px;
}

.work-song-sub {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 12px;
}

.work-role-badge {
  display: inline-block;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  color: var(--color-text-sub);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
}

.work-listen-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
  margin-top: auto;
}

.listen-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  color: var(--color-white);
  transition: var(--transition);
}

.listen-btn.apple {
  background-color: var(--color-apple);
}

.listen-btn.spotify {
  background-color: var(--color-spotify);
}

.listen-btn.youtube {
  background-color: var(--color-youtube);
}

.listen-btn:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

/* Works Archive Accordion */
.works-archive-box {
  margin-top: 48px;
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
}

details.works-accordion summary {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-dark);
  cursor: pointer;
  outline: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

details.works-accordion summary::-webkit-details-marker {
  display: none;
}

details.works-accordion summary::after {
  content: "＋ 全制作実績リストを開く";
  font-size: 0.85rem;
  color: var(--color-orange);
  font-weight: 800;
}

/* Works Archive Accordion Card Grid (Mobile-friendly) */
.works-archive-grid-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 24px;
  text-align: left;
}

.works-archive-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
  transition: var(--transition);
}

.works-archive-item:hover {
  border-color: var(--color-orange-border);
  transform: translateY(-2px);
}

.works-archive-item-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.works-archive-artist {
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-dark);
}

.works-archive-role {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-orange-dark);
  background: rgba(224, 122, 95, 0.1);
  padding: 3px 8px;
  border-radius: var(--radius-full);
}

.works-archive-songs {
  font-size: 0.9rem;
  color: var(--color-text-sub);
  line-height: 1.5;
}

@media (max-width: 768px) {
  .works-archive-grid-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

/* ==========================================================================
   7. Produced Artists Section (4組)
   ========================================================================== */
.artists-section {
  padding: 100px 0;
  background-color: var(--color-bg-light);
  border-top: 1px solid var(--color-border);
}

.artists-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.artist-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.artist-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-orange-border);
}

.artist-img-box {
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  position: relative;
  background-color: var(--color-bg-subtle);
}

.artist-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.35s ease, transform 0.4s ease;
}

.artist-img.loaded {
  opacity: 1;
}

.artist-card:hover .artist-img.loaded {
  transform: scale(1.05);
}

.artist-info {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.artist-since-badge {
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--color-orange);
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.artist-card-title {
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.artist-card-desc {
  font-size: 0.82rem;
  color: var(--color-text-sub);
  line-height: 1.6;
  margin-bottom: 12px;
}

/* ==========================================================================
   8. Movie & Commercial Section
   ========================================================================== */
.movie-cm-section {
  padding: 100px 0;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
}

.movie-cm-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.movie-cm-card {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.movie-cm-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-orange-border);
  background: var(--color-white);
}

.movie-cm-tag {
  display: inline-block;
  background: var(--color-orange-light);
  color: var(--color-orange-dark);
  border: 1px solid var(--color-orange-border);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.movie-cm-title {
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--color-dark);
  margin-bottom: 10px;
}

.movie-cm-desc {
  font-size: 0.88rem;
  color: var(--color-text-sub);
  line-height: 1.7;
  margin-bottom: 16px;
}

/* ==========================================================================
   9. EVERGREEN Section (動的連携)
   ========================================================================== */
.evergreen-section {
  padding: 100px 0;
  background-color: var(--color-bg-light);
  border-top: 1px solid var(--color-border);
}

.evergreen-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  margin-top: 48px;
}

.evergreen-flyer-box {
  position: relative;
  min-height: 380px;
  background-color: var(--color-bg-subtle);
  overflow: hidden;
}

.evergreen-flyer-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0;
  transition: opacity 0.35s ease;
}

.evergreen-flyer-img.loaded {
  opacity: 1;
}

.evergreen-content {
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.evergreen-regular-badge {
  display: inline-block;
  background: #EBFBEE;
  color: #2B8A3E;
  border: 1px solid #C3FAE8;
  font-size: 0.8rem;
  font-weight: 800;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
  width: fit-content;
}

.evergreen-title-main {
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.evergreen-meta-date {
  font-family: var(--font-en);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-orange);
  margin-bottom: 16px;
}

.evergreen-desc-text {
  font-size: 0.95rem;
  color: var(--color-text-sub);
  line-height: 1.8;
  margin-bottom: 28px;
}

/* EVERGREEN Past Archive (Text Only Compact List) */
.evergreen-archive-wrap {
  margin-top: 40px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
}

.evergreen-archive-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.evergreen-archive-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.eg-archive-card {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
}

.eg-archive-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  border-color: var(--color-orange-border);
  background: var(--color-white);
}

.eg-archive-body {
  display: flex;
  flex-direction: column;
}

.eg-archive-date {
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--color-orange);
  margin-bottom: 2px;
}

.eg-archive-title-text {
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 2px;
}

.eg-archive-venue {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.eg-archive-btn {
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--color-orange);
  background: var(--color-white);
  border: 1px solid var(--color-orange-border);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  white-space: nowrap;
  transition: var(--transition);
}

.eg-archive-btn:hover {
  background: var(--color-orange);
  color: var(--color-white);
}

@media (max-width: 768px) {
  .evergreen-archive-grid { grid-template-columns: 1fr; }
  .eg-archive-card { flex-direction: column; align-items: flex-start; }
}

/* ==========================================================================
   10. Services Section (5つの制作ライン)
   ========================================================================== */
.services-section {
  padding: 100px 0;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
}

.services-grid-5 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.service-card-item {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.service-card-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-orange-border);
  background: var(--color-white);
}

.service-card-item.featured {
  border: 2px solid var(--color-orange);
  background: var(--color-orange-light);
}

.service-num {
  font-family: var(--font-en);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-orange);
  margin-bottom: 8px;
}

.service-card-title {
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--color-dark);
  margin-bottom: 10px;
}

.service-price-tag {
  font-family: var(--font-en);
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--color-dark);
  margin-bottom: 12px;
}

.service-card-desc {
  font-size: 0.88rem;
  color: var(--color-text-sub);
  line-height: 1.7;
  margin-bottom: 20px;
}

/* ==========================================================================
   11. AI Speed Section (再導線)
   ========================================================================== */
.ai-speed-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-orange-light) 100%);
  border-top: 1px solid var(--color-orange-border);
  border-bottom: 1px solid var(--color-orange-border);
}

.ai-speed-card-wrap {
  max-width: 920px;
  margin: 0 auto;
  text-align: center;
}

/* AI Speed Feature Target Checklist (こんな方におすすめ) */
.ai-speed-targets-box {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  max-width: 720px;
  margin: 28px auto 28px auto;
  text-align: left;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.ai-speed-targets-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ai-speed-targets-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 24px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.ai-speed-target-item {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-dark);
  display: flex;
  align-items: center;
  gap: 8px;
}

.ai-speed-target-item .check-icon {
  color: var(--color-orange);
  font-weight: 900;
  font-size: 1.1rem;
}

@media (max-width: 640px) {
  .ai-speed-targets-list {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

/* ==========================================================================
   12. Contact Section & Web Form
   ========================================================================== */
.contact-section {
  padding: 100px 0;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
}

.contact-quick-actions {
  max-width: 640px;
  margin: 32px auto 48px auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.btn-line-large {
  background-color: var(--color-green);
  color: var(--color-white);
  font-size: 1.05rem;
  padding: 16px 36px;
  box-shadow: 0 4px 16px rgba(6, 199, 85, 0.25);
}

.btn-line-large:hover {
  background-color: #05B34C;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(6, 199, 85, 0.35);
}

/* Contact Web Form Container */
.contact-form-container {
  max-width: 680px;
  margin: 0 auto;
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  box-shadow: var(--shadow-sm);
  text-align: left;
}

.form-header-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 6px;
  text-align: center;
}

.form-header-sub {
  font-size: 0.88rem;
  color: var(--color-text-sub);
  text-align: center;
  margin-bottom: 28px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.form-label .required-badge {
  background-color: var(--color-orange);
  color: var(--color-white);
  font-size: 0.7rem;
  font-weight: 900;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-left: 6px;
  vertical-align: middle;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--color-dark);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--color-orange);
  box-shadow: 0 0 0 3px rgba(224, 122, 95, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.form-submit-wrap {
  margin-top: 28px;
  text-align: center;
}

.btn-form-submit {
  width: 100%;
  max-width: 320px;
  padding: 16px 32px;
  font-size: 1rem;
}

/* Success Message Box */
.form-success-box {
  display: none;
  background: #EBFBEE;
  border: 2px solid #51CF66;
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  margin-top: 24px;
}

.form-success-icon {
  font-size: 2.4rem;
  color: #2B8A3E;
  margin-bottom: 12px;
}

.form-success-title {
  font-size: 1.25rem;
  font-weight: 900;
  color: #2B8A3E;
  margin-bottom: 8px;
}

.form-success-desc {
  font-size: 0.92rem;
  color: #2F9E44;
  line-height: 1.7;
}

/* ==========================================================================
   13. Footer
   ========================================================================== */
footer#site-footer {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding: 60px 0 30px 0;
  font-size: 0.88rem;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo img {
  height: 28px;
}

.footer-nav-links {
  display: flex;
  gap: 24px;
  list-style: none;
  flex-wrap: wrap;
}

.footer-nav-links a {
  color: #94A3B8;
}

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

.footer-bottom {
  margin-top: 30px;
  text-align: center;
  color: #64748B;
  font-size: 0.8rem;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 992px) {
  .hero-title-main { font-size: 2.2rem; }
  .about-grid { grid-template-columns: 1fr; }
  .producer-photo-img { height: 380px; }
  .works-grid { grid-template-columns: repeat(2, 1fr); }
  .artists-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .services-grid-5 { grid-template-columns: repeat(2, 1fr); }
  .evergreen-card { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  #menu-toggle { display: block; }
  
  nav#site-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-white);
    padding: 24px;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-150%);
    transition: transform 0.3s ease;
    z-index: 999;
  }
  
  nav#site-nav.open {
    transform: translateY(0);
  }
  
  nav#site-nav ul {
    flex-direction: column;
    gap: 18px;
    align-items: flex-start;
  }
  
  .hero-title-main { font-size: 1.8rem; }
  .hero-sub-desc { font-size: 1rem; }
  .section-heading { font-size: 1.8rem; }
  .stats-grid { grid-template-columns: 1fr; }
  .works-grid { grid-template-columns: 1fr; }
  .artists-grid-4 { grid-template-columns: 1fr; }
  .services-grid-5 { grid-template-columns: 1fr; }
  .movie-cm-grid { grid-template-columns: 1fr; }
  .header-container { height: 64px; }
  .header-container .site-logo img { height: 26px; }
  .footer-top { flex-direction: column; text-align: center; }
  .footer-nav-links { justify-content: center; }
}