/* ============================================
   LOOP Inc. — Main Stylesheet
   ダークシネマティック / 映像技術ソリューション
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Noto+Sans+JP:wght@300;400;500;700&family=Inter:wght@300;400;500;600&display=swap');

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

:root {
  --black:        #0A0A0A;
  --black-2:      #141414;
  --black-3:      #1C1C1C;
  --black-4:      #2A2A2A;
  --white:        #F0EDE8;
  --white-dim:    #9E9B96;
  --amber:        #C8A96E;
  --amber-dim:    #8A7249;
  --amber-glow:   rgba(200,169,110,0.12);
  --red-accent:   #8B1A1A;

  --font-display: 'Bebas Neue', 'Impact', sans-serif;
  --font-body:    'Noto Sans JP', sans-serif;
  --font-ui:      'Inter', sans-serif;

  --max-w: 1280px;
  --section-pad: clamp(80px, 10vw, 140px) clamp(24px, 5vw, 80px);
}

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

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul { list-style: none; }

/* ── Opening Animation (Logo Aperture) ────── */
#aperture-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 600px;
  overflow: hidden;
  visibility: visible;
  pointer-events: none;
  transition: visibility 0s linear 14.00s;
}
#aperture-loader::before {
  content: '';
  position: absolute;
  inset: 0;
  background-color: #000;
  background-image:
    linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.3)),
    url('../images/cockpit-bg.png'),
    radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.8), transparent),
    radial-gradient(1px 1px at 25% 65%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 35% 15%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 50% 80%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 65% 30%, rgba(255,255,255,0.8), transparent),
    radial-gradient(1px 1px at 75% 55%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 85% 75%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 90% 25%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 15% 90%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 45% 45%, rgba(255,255,255,0.5), transparent);
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover, cover, auto, auto, auto, auto, auto, auto, auto, auto, auto, auto;
  opacity: 1;
  animation: loaderBgFade 1.09s ease forwards;
  animation-delay: 9.55s;
}
#aperture-loader.hide {
  visibility: hidden;
}
.skip-opening #aperture-loader {
  visibility: hidden;
  display: none;
}
/* cockpit-bg.png の読み込み完了まで：ローダー自体（黒背景）は表示したまま、アニメーションのみ完全停止 */
.opening-pending #aperture-loader::before,
.opening-pending #opening-petals,
.opening-pending #opening-petals .petal,
.opening-pending #opening-petals .petal::after,
.opening-pending #opening-logo,
.opening-pending #opening-light,
.opening-pending #opening-light::before,
.opening-pending #opening-light::after,
.opening-pending #opening-spectrum,
.opening-pending #opening-sparkle .spark {
  animation-play-state: paused !important;
}
@keyframes loaderBgFade {
  0%   { opacity: 1; }
  100% { opacity: 0; }
}
#opening-petals {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(36.4vw, 218px);
  aspect-ratio: 260.27 / 72.41;
  transform: translate(-50%, -50%) translateY(-8vh);
  transform-style: preserve-3d;
  overflow: visible;
  pointer-events: none;
  filter: drop-shadow(0 0 12px rgba(200,225,255,0.55)) drop-shadow(0 0 28px rgba(150,200,255,0.35));
  animation: petalsFadeOut 0s linear forwards;
  animation-delay: 4.5s;
}
#opening-petals .petal {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  animation: petalAssemble 3.6s linear forwards;
  animation-delay: var(--delay);
}
#opening-petals .petal svg {
  width: 100%;
  height: 100%;
  display: block;
  overflow: visible;
}
#opening-petals path,
#opening-petals polygon {
  fill: #fff;
}
#opening-petals .petal::after {
  content: '';
  position: absolute;
  inset: -80%;
  pointer-events: none;
  background:
    radial-gradient(5px 5px at 15% 30%, rgba(150,200,255,1), transparent 70%),
    radial-gradient(4px 4px at 75% 20%, rgba(150,200,255,1), transparent 70%),
    radial-gradient(5px 5px at 40% 80%, rgba(150,200,255,1), transparent 70%),
    radial-gradient(4px 4px at 85% 70%, rgba(150,200,255,1), transparent 70%),
    radial-gradient(5px 5px at 60% 45%, rgba(150,200,255,1), transparent 70%),
    radial-gradient(4px 4px at 25% 60%, rgba(150,200,255,1), transparent 70%);
  opacity: 0;
  filter: blur(0.3px) drop-shadow(0 0 8px rgba(120,180,255,1));
  animation: petalDust 3.6s linear forwards;
  animation-delay: calc(var(--delay) + 0.18s);
}
@keyframes petalDust {
  0%   { opacity: 0; }
  10%  { opacity: 1; }
  30%  { opacity: 0.4; }
  45%  { opacity: 1; }
  65%  { opacity: 0.3; }
  80%  { opacity: 0.7; }
  100% { opacity: 0; }
}
@keyframes petalAssemble {
  0%   { opacity: 0;   transform: translate3d(var(--dx), var(--dy), var(--dz)) rotateX(calc(var(--rx) + 360deg)) rotateY(calc(var(--ry) - 360deg)) rotateZ(calc(var(--rz) + 360deg)) scale(1.6); }
  40%  { opacity: 0.7; transform: translate3d(calc(var(--dx) * 0.45), calc(var(--dy) * 0.45), calc(var(--dz) * 0.45)) rotateX(calc(var(--rx) * 0.4 + 180deg)) rotateY(calc(var(--ry) * -0.5 - 180deg)) rotateZ(calc(var(--rz) * -0.3 + 180deg)) scale(1.15); }
  75%  { opacity: 0.4; transform: translate3d(calc(var(--dx) * 0.08), calc(var(--dy) * 0.08), calc(var(--dz) * 0.08)) rotateX(calc(var(--rx) * 0.1 + 60deg)) rotateY(calc(var(--ry) * -0.05 - 60deg)) rotateZ(calc(var(--rz) * 0.08 + 60deg)) scale(0.55); }
  100% { opacity: 0.4; transform: translate3d(0, 0, 0) rotateX(0deg) rotateY(0deg) rotateZ(0deg) scale(0.4); }
}
@keyframes petalsFadeOut {
  to { opacity: 0; }
}
#opening-logo {
  position: relative;
  width: min(36.4vw, 218px);
  height: auto;
  aspect-ratio: 260.27 / 72.41;
  opacity: 0.4;
  transform: translateY(-8vh);
  animation: logoApproach 4.1s linear both;
  animation-delay: 4.5s;
  transform-style: preserve-3d;
  filter: drop-shadow(0 0 12px rgba(200,225,255,0.55)) drop-shadow(0 0 28px rgba(150,200,255,0.35));
}
#opening-logo .logo-frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
}
#opening-logo .logo-frame.active {
  opacity: 1;
}
@keyframes logoApproach {
  0%     { transform: translateY(-8vh) scale(0.4); opacity: 0; }
  0.01%  { transform: translateY(-8vh) scale(0.4); opacity: 0.4; }
  60%    { transform: translateY(-8vh) scale(1); opacity: 0.4; }
  62%    { transform: translateY(-8vh) scale(1.169); opacity: 0.4; }
  64%    { transform: translateY(-8vh) scale(1.367); opacity: 0.4; }
  66%    { transform: translateY(-8vh) scale(1.598); opacity: 0.4; }
  68%    { transform: translateY(-8vh) scale(1.868); opacity: 0.4; }
  70%    { transform: translateY(-8vh) scale(2.182); opacity: 0.4; }
  72%    { transform: translateY(-8vh) scale(2.550); opacity: 0.4; }
  74%    { transform: translateY(-8vh) scale(2.981); opacity: 0.4; }
  76%    { transform: translateY(-8vh) scale(3.482); opacity: 0.4; }
  78%    { transform: translateY(-8vh) scale(4.075); opacity: 0.4; }
  80%    { transform: translateY(-8vh) scale(4.690); opacity: 0.4; }
  82%    { transform: translateY(-8vh) scale(5.480); opacity: 0.4; }
  84%    { transform: translateY(-8vh) scale(6.402); opacity: 0.4; }
  86%    { transform: translateY(-8vh) scale(7.474); opacity: 0.4; }
  88%    { transform: translateY(-8vh) scale(8.726); opacity: 0.4; }
  90%    { transform: translateY(-8vh) scale(10.18); opacity: 0.333; }
  92%    { transform: translateY(-8vh) scale(11.89); opacity: 0.267; }
  94%    { transform: translateY(-8vh) scale(13.88); opacity: 0.2; }
  96%    { transform: translateY(-8vh) scale(16.21); opacity: 0.133; }
  98%    { transform: translateY(-8vh) scale(18.93); opacity: 0.067; }
  100%   { transform: translateY(-8vh) scale(22); opacity: 0; }
}
#opening-light {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 12px;
  margin: -6px;
  border-radius: 50%;
  background: radial-gradient(circle, #93b8de 0%, rgba(85,130,190,0.4) 40%, transparent 75%);
  opacity: 0;
  mix-blend-mode: screen;
  transform: scale(0.3);
  animation: lightApproach 3.2s ease-in forwards;
  animation-delay: 8.29s;
}
#opening-light::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 24px;
  height: 24px;
  margin: -12px;
  animation: lightSpin 3.2s linear forwards;
  animation-delay: 8.29s;
  background:
    conic-gradient(from 0deg,
      transparent 0deg, rgba(110,160,220,0.65) 3deg, transparent 8deg,
      transparent 76deg, rgba(110,160,220,0.65) 82deg, transparent 89deg,
      transparent 162deg, rgba(110,160,220,0.65) 166deg, transparent 171deg,
      transparent 250deg, rgba(110,160,220,0.65) 258deg, transparent 266deg,
      transparent 344deg, rgba(110,160,220,0.65) 350deg, transparent 360deg),
    conic-gradient(from 38deg,
      transparent 0deg, rgba(85,130,190,0.35) 1deg, transparent 4deg,
      transparent 92deg, rgba(85,130,190,0.35) 96deg, transparent 102deg,
      transparent 178deg, rgba(85,130,190,0.35) 184deg, transparent 188deg,
      transparent 268deg, rgba(85,130,190,0.35) 271deg, transparent 277deg,
      transparent 352deg, rgba(85,130,190,0.35) 360deg);
  mix-blend-mode: screen;
  mask-image: radial-gradient(circle, #fff 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(circle, #fff 0%, transparent 70%);
}
#opening-light::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 900px;
  height: 900px;
  margin: -450px;
  background: radial-gradient(circle, rgba(110,160,220,0.55) 0%, rgba(85,130,190,0.16) 35%, transparent 70%);
  mix-blend-mode: screen;
  opacity: 0;
  animation: lightHalation 3.2s ease-in forwards;
  animation-delay: 8.29s;
}
@keyframes lightSpin {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(180deg); }
}
#opening-spectrum {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 16px;
  margin: -8px;
  border-radius: 50%;
  background: conic-gradient(
    from 0deg,
    #ff0000, #ff8800, #ffee00, #00ff33, #00ccff, #2200ff, #aa00ff, #ff0080, #ff0000
  );
  mix-blend-mode: screen;
  opacity: 0;
  filter: blur(2px) saturate(2.5);
  animation: lightSpectrum 3.2s ease-in forwards;
  animation-delay: 8.29s;
}
@keyframes lightSpectrum {
  0%   { opacity: 0; transform: scale(0.3) rotate(0deg); }
  19%  { opacity: 0; transform: scale(12) rotate(40deg); }
  26%  { opacity: 0.55; transform: scale(300) rotate(90deg); }
  35%  { opacity: 0.55; transform: scale(340) rotate(160deg); }
  50%  { opacity: 0; transform: scale(380) rotate(260deg); }
  100% { opacity: 0; transform: scale(380) rotate(260deg); }
}
#opening-sparkle {
  position: absolute;
  inset: 0;
  mix-blend-mode: screen;
}
#opening-sparkle .spark {
  position: absolute;
  top: var(--y);
  left: var(--x);
  width: 9px;
  height: 9px;
  margin: -4.5px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--c) 0%, transparent 70%);
  opacity: 0;
  transform: translate(0, 0) scale(1);
  animation: sparkleFly 3.2s ease-out forwards;
  animation-delay: calc(9.50s + var(--delay));
}
@keyframes sparkleFly {
  0%   { opacity: 0; transform: translate(0, 0) scale(1); }
  8%   { opacity: 0.6; transform: translate(0, 0) scale(1.6); }
  100% { opacity: 0; transform: translate(calc(var(--dx) * 1.5), calc(var(--dy) * 1.5)) scale(0.5); }
}
@keyframes lightHalation {
  0%   { opacity: 0; }
  19%  { opacity: 0; }
  26%  { opacity: 1; }
  45%  { opacity: 0.6; }
  100% { opacity: 0; }
}
@keyframes lightApproach {
  0%   { opacity: 0; transform: scale(0.3); }
  1.4% { opacity: 1; transform: scale(1); }
  14%  { opacity: 1; transform: scale(3); }
  19%  { opacity: 0.9; transform: scale(12); }
  23%  { opacity: 0.5; transform: scale(300); }
  27%  { opacity: 0.5; transform: scale(300); }
  45%  { opacity: 0; transform: scale(300); }
  100% { opacity: 0; transform: scale(300); }
}

/* ── Navigation ─────────────────────────── */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 24px clamp(24px, 5vw, 80px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.5s ease, padding 0.5s ease;
}
#nav.scrolled {
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(12px);
  padding-top: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(200,169,110,0.15);
}
.nav-logo {
  display: flex;
  align-items: center;
}
.nav-logo img {
  height: 34px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  gap: 40px;
  align-items: center;
}
.nav-links a {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white-dim);
  transition: color 0.25s;
  display: flex;
  align-items: center;
  padding: 12px 4px;
  margin: -12px -4px;
}
.nav-links a:hover { color: var(--amber); }
.nav-links .nav-cta {
  color: var(--amber);
  border: 1px solid var(--amber-dim);
  padding: 8px 20px;
  transition: background 0.25s, color 0.25s;
}
.nav-links .nav-cta:hover {
  background: var(--amber);
  color: var(--black);
}

/* hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.nav-hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  transition: all 0.3s;
}
.nav-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* mobile menu */
.nav-mobile {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10,10,10,0.98);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 26px;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  font-family: var(--font-display);
  font-size: 32px;
  letter-spacing: 0.1em;
  color: var(--white-dim);
  transition: color 0.2s;
}
.nav-mobile a:first-child {
  margin-top: 8px;
}
.nav-mobile a:hover { color: var(--amber); }

/* ── Hero ───────────────────────────────── */
#hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px clamp(24px, 5vw, 80px) 80px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, rgba(10,10,10,0.55) 0%, rgba(10,10,10,0.1) 50%, rgba(10,10,10,0.55) 100%),
    linear-gradient(to bottom, rgba(10,10,10,0.02) 0%, rgba(10,10,10,0.3) 100%),
    url("../images/hero-equipment.png") center center / cover no-repeat;
  filter: brightness(1.35) contrast(1.05);
}

/* placeholder hero image */
.hero-visual {
  display: none;
}
.hero-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, var(--black) 0%, transparent 40%, transparent 60%, var(--black) 100%),
              linear-gradient(to bottom, var(--black) 0%, transparent 20%, transparent 80%, var(--black) 100%);
}
.hero-visual-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}
.hero-eyebrow {
  font-family: var(--font-ui);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 24px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(52px, 8vw, 120px);
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--white);
  margin-bottom: 32px;
}
.hero-title em {
  font-style: normal;
  color: var(--amber);
  display: block;
}
.hero-subtitle {
  font-size: clamp(14px, 1.6vw, 17px);
  color: var(--white-dim);
  line-height: 1.8;
  max-width: 520px;
  margin-bottom: 48px;
}
.hero-actions {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.btn-primary {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: var(--amber);
  color: var(--black);
  padding: 16px 36px;
  transition: background 0.25s, transform 0.2s;
}
.btn-primary:hover {
  background: #dbbf85;
  transform: translateY(-2px);
}
.btn-secondary {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white-dim);
  border: 1px solid #5A5650;
  padding: 16px 36px;
  transition: color 0.25s, border-color 0.25s;
}
.btn-secondary:hover {
  color: var(--white);
  border-color: var(--white-dim);
}
.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--white-dim);
  font-family: var(--font-ui);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  animation: scrollBounce 2s ease-in-out infinite;
}
.hero-scroll::after {
  content: '';
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--amber-dim), transparent);
}
@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ── Section Base ───────────────────────── */
.section {
  padding: var(--section-pad);
  max-width: var(--max-w);
  margin: 0 auto;
}
.section-full {
  padding: var(--section-pad);
}
.section-label {
  font-family: var(--font-ui);
  font-size: 10px;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 72px);
  letter-spacing: 0.03em;
  line-height: 1;
  color: var(--white);
  margin-bottom: 24px;
}
.section-lead {
  font-size: clamp(14px, 1.5vw, 17px);
  color: var(--white-dim);
  line-height: 1.8;
  max-width: 880px;
}

/* ── Vision Strip ───────────────────────── */
#vision-strip {
  background: #1A1A1A;
  border-top: 1px solid var(--black-4);
  border-bottom: 1px solid var(--black-4);
  padding: 80px clamp(24px, 5vw, 80px);
  text-align: center;
}
.vision-strip-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.vision-strip-label {
  font-family: var(--font-ui);
  font-size: 10px;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 20px;
}
.vision-strip-text {
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 64px);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 16px;
}
.vision-strip-sub {
  font-size: 14px;
  color: var(--white-dim);
  letter-spacing: 0.05em;
}

/* ── Services ───────────────────────────── */
#services {
  background: var(--black);
  padding: var(--section-pad);
}
.services-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.services-header {
  margin-bottom: 72px;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}
.service-card {
  display: block;
  background: var(--black-2);
  padding: 48px 40px;
  position: relative;
  overflow: hidden;
  transition: background 0.3s;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}
.service-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--amber);
  transform: scaleX(0);
  transition: transform 0.5s ease;
  z-index: 2;
}
.service-card:hover { background: var(--black-3); }
.service-card:hover::before { transform: scaleX(1); }

/* background photo + overlay */
.service-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.5;
  filter: brightness(1);
  transition: opacity 0.5s ease, transform 0.5s ease, filter 0.5s ease;
  z-index: 0;
}
.service-card:hover::after {
  opacity: 0.75;
  filter: brightness(1.35);
  transform: scale(1.04);
}
.service-card--shooting::after { background-image: url("../images/services/shooting.png"); }
.service-card--broadcast::after { background-image: url("../images/services/broadcast.png"); }
.service-card--data::after { background-image: url("../images/services/data-management.png"); }
.service-card--corporate::after { background-image: url("../images/services/corporate.png"); }
.service-card > * { position: relative; z-index: 1; }
.service-card {
  background-image: linear-gradient(180deg, rgba(10,10,10,0.55) 0%, rgba(10,10,10,0.9) 70%, var(--black-2) 100%);
  background-size: 100% 100%;
}
.service-card:hover {
  background-image: linear-gradient(180deg, rgba(10,10,10,0.55) 0%, rgba(10,10,10,0.85) 70%, var(--black-3) 100%);
}

.service-number {
  font-family: var(--font-display);
  font-size: 72px;
  color: var(--black-4);
  line-height: 1;
  margin-bottom: 24px;
  transition: color 0.3s;
}
.service-card:hover .service-number { color: rgba(200,169,110,0.15); }
.service-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 24px;
}
.service-title {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 0.05em;
  color: var(--white);
  margin-bottom: 16px;
}
.service-title-en {
  font-family: var(--font-ui);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 20px;
}
.service-desc {
  font-size: 13px;
  color: var(--white-dim);
  line-height: 1.8;
  margin-bottom: 32px;
}
.service-link {
  font-family: var(--font-ui);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap 0.2s;
}
.service-link::after { content: '→'; }
.service-card:hover .service-link { gap: 14px; }

/* ── DIT Feature Section ────────────────── */
#dit-feature {
  background: var(--black-2);
  border-top: 1px solid var(--black-4);
  padding: var(--section-pad);
}
.dit-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.dit-content { }
.dit-visual {
  position: sticky;
  top: 100px;
}
.dit-visual-box {
  background: var(--black-3);
  border: 1px solid var(--black-4);
  padding: 48px;
  position: relative;
  overflow: hidden;
}
.dit-visual-box::before {
  content: 'DIT';
  font-family: var(--font-display);
  font-size: 180px;
  color: rgba(200,169,110,0.04);
  position: absolute;
  bottom: -20px;
  right: -20px;
  line-height: 1;
  pointer-events: none;
}
.dit-visual-title {
  font-family: var(--font-display);
  font-size: 48px;
  color: var(--amber);
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}
.dit-visual-sub {
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--white-dim);
  text-transform: uppercase;
  margin-bottom: 32px;
}
.dit-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.dit-stat {
  border-left: 2px solid var(--amber-dim);
  padding-left: 16px;
}
.dit-stat-num {
  font-family: var(--font-display);
  font-size: 36px;
  color: var(--white);
  line-height: 1;
}
.dit-stat-label {
  font-size: 11px;
  color: var(--white-dim);
  margin-top: 4px;
}
.dit-what {
  margin-bottom: 48px;
}
.dit-what-title {
  font-family: var(--font-display);
  font-size: 40px;
  letter-spacing: 0.03em;
  color: var(--white);
  margin-bottom: 20px;
}
.dit-what-body {
  font-size: 14px;
  color: var(--white-dim);
  line-height: 1.9;
  margin-bottom: 16px;
}
.dit-services-list {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.dit-service-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 20px 24px;
  background: var(--black-3);
  border: 1px solid var(--black-4);
  transition: border-color 0.3s;
}
.dit-service-item:hover { border-color: var(--amber-dim); }
.dit-service-bullet {
  width: 6px;
  height: 6px;
  background: var(--amber);
  border-radius: 50%;
  margin-top: 7px;
  flex-shrink: 0;
}
.dit-service-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--white);
  margin-bottom: 4px;
}
.dit-service-desc {
  font-size: 12px;
  color: var(--white-dim);
  line-height: 1.7;
}

/* ── Equipment / Visual Placeholder ─────── */
#company {
  padding: clamp(48px, 6vw, 80px) clamp(20px, 4vw, 80px);
  background: var(--black-2);
}
.company-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.company-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 48px;
}
.company-table th,
.company-table td {
  padding: 18px 24px;
  border-bottom: 1px solid var(--black-4);
  font-size: 14px;
  line-height: 1.8;
  text-align: left;
  vertical-align: top;
}
.company-table th {
  width: 160px;
  font-family: var(--font-ui);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--amber);
  white-space: nowrap;
}
.company-table td {
  color: var(--white-dim);
}
#equipment {
  padding: var(--section-pad);
  background: var(--black);
}
.equipment-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.equipment-visual {
  width: 100%;
  aspect-ratio: 16/9;
  border: 1px solid var(--black-4);
  overflow: hidden;
  margin-top: 48px;
}
.equipment-visual img {
  width: 100%;
  height: 100%;
  filter: brightness(0.9);
  object-fit: cover;
  display: block;
}
/* camera grid */
.camera-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  margin-top: 48px;
}
.camera-item {
  background: var(--black-2);
  padding: 32px 24px;
  text-align: center;
  transition: background 0.3s;
}
.camera-item:hover { background: var(--black-3); }
.camera-icon-box {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.camera-item-name {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 4px;
}
.camera-item-desc {
  font-size: 11px;
  color: var(--white-dim);
  line-height: 1.6;
}

/* ── Works ──────────────────────────────── */
#works {
  background: var(--black-2);
  border-top: 1px solid var(--black-4);
  padding: var(--section-pad);
}
.works-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.works-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 48px;
  border-bottom: 1px solid var(--black-4);
}
.works-tab {
  font-family: var(--font-ui);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white-dim);
  padding: 14px 24px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.2s, border-color 0.2s;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}
.works-tab.active {
  color: var(--amber);
  border-bottom-color: var(--amber);
}
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.work-item {
  aspect-ratio: 16/10;
  background: var(--black-3);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.work-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,10,10,0.9) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s;
  display: flex;
  align-items: flex-end;
  padding: 24px;
}
.work-item:hover .work-item-overlay { opacity: 1; }
.work-item-title {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.05em;
  color: var(--white);
}
.work-item-genre {
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--amber);
  text-transform: uppercase;
  margin-top: 4px;
}
.works-note {
  font-size: 11px;
  color: var(--white-dim);
  opacity: 0.5;
  margin-bottom: 24px;
}
.credit-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--black-4);
}
.credit-card {
  background: var(--black-3);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  justify-content: center;
  min-height: 90px;
}
.credit-name {
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.04em;
  color: var(--amber);
}
.credit-titles {
  font-size: 11px;
  line-height: 1.7;
  color: var(--white-dim);
  opacity: 0.75;
}
@media (max-width: 900px) {
  .credit-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .credit-grid { grid-template-columns: 1fr; }
}
.work-placeholder {
  width: 100%;
  height: 100%;
  background: var(--black-3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: rgba(158,155,150,0.2);
}

/* ── About / CEO ────────────────────────── */
#about {
  background: var(--black);
  padding: var(--section-pad);
}
.about-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 80px;
  align-items: center;
}
.about-inner + .about-inner {
  margin-top: 96px;
}
.about-inner--reverse {
  grid-template-columns: 1.3fr 0.7fr;
}
.about-inner--reverse .about-photo {
  order: 2;
}
.about-photo {
  position: relative;
  max-width: 320px;
}
.about-photo-frame {
  aspect-ratio: 3/4;
  background: var(--black-3);
  border: 1px solid var(--black-4);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(158,155,150,0.2);
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.1em;
}
.about-photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.about-photo-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(10,10,10,0.95), transparent);
  padding: 32px 24px 24px;
}
.about-name {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 0.05em;
  color: var(--white);
}
.about-title {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  margin-top: 4px;
}
.about-content {}
.about-message {
  font-size: 15px;
  line-height: 2;
  color: var(--white-dim);
  margin-bottom: 32px;
}
.about-career {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.career-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.career-year {
  font-family: var(--font-ui);
  font-size: 11px;
  color: var(--amber);
  white-space: nowrap;
  padding-top: 2px;
  min-width: 60px;
}
.career-text {
  font-size: 13px;
  color: var(--white-dim);
  line-height: 1.6;
}

.about-mobile-sig {
  display: none;
  font-size: 13px;
  color: var(--white-dim);
  margin-top: 24px;
  letter-spacing: 0.05em;
}
@media (max-width: 1024px) {
  .about-mobile-sig { display: block; }
}

/* ── LOOP Fellow ────────────────────────── */
#fellow {
  background: var(--black-2);
  border-top: 1px solid var(--black-4);
  padding: var(--section-pad);
}
.fellow-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.fellow-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  margin-bottom: 72px;
  align-items: start;
}
.fellow-roles {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
}
.fellow-role-tag {
  font-family: var(--font-ui);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--white-dim);
  border: 1px solid var(--black-4);
  padding: 6px 14px;
  transition: border-color 0.2s, color 0.2s;
}
.fellow-role-tag:hover {
  border-color: var(--amber-dim);
  color: var(--amber);
}
.fellow-how {
  padding: 40px;
  background: var(--black-3);
  border: 1px solid var(--black-4);
}
.fellow-how-title {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: 0.05em;
  color: var(--white);
  margin-bottom: 24px;
}
.fellow-how-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.fellow-how-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  font-size: 13px;
  color: var(--white-dim);
  line-height: 1.7;
}
.fellow-how-item::before {
  content: '◆';
  color: var(--amber);
  font-size: 8px;
  margin-top: 5px;
  flex-shrink: 0;
}

/* ── CTA Banner ─────────────────────────── */
#cta-banner {
  background: var(--black-3);
  border-top: 1px solid var(--black-4);
  padding: 100px clamp(24px, 5vw, 80px);
  text-align: center;
  position: relative;
  overflow: hidden;
}
#cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(200,169,110,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.cta-inner { position: relative; }
.cta-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 72px);
  letter-spacing: 0.05em;
  color: var(--white);
  margin-bottom: 24px;
  line-height: 1.1;
}
.cta-body {
  font-size: 15px;
  color: var(--white-dim);
  max-width: 560px;
  margin: 0 auto 48px;
  line-height: 1.8;
}
.cta-actions {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Footer ─────────────────────────────── */
footer {
  background: var(--black);
  border-top: 1px solid var(--black-4);
  padding: 64px clamp(24px, 5vw, 80px) 40px;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand {}
.footer-logo {
  margin-bottom: 16px;
}
.footer-logo img {
  height: 32px;
  width: auto;
  display: block;
}
.footer-tagline {
  font-size: 12px;
  color: var(--white-dim);
  line-height: 1.7;
  max-width: 204px;
}
.footer-col-title {
  font-family: var(--font-ui);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 20px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links a {
  font-size: 13px;
  color: var(--white-dim);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--white); }
.footer-address {
  font-size: 12px;
  color: var(--white-dim);
  line-height: 1.9;
}
.footer-bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  padding-top: 32px;
  border-top: 1px solid var(--black-4);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-copy {
  font-family: var(--font-ui);
  font-size: 11px;
  color: var(--white-dim);
  opacity: 0.5;
}

/* ── Scroll animations ──────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up-delay-1 { transition-delay: 0.1s; }
.fade-up-delay-2 { transition-delay: 0.2s; }
.fade-up-delay-3 { transition-delay: 0.3s; }

/* ── Responsive ─────────────────────────── */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: 1fr 1fr; grid-template-rows: repeat(2, auto); }
  .dit-inner { grid-template-columns: 1fr; gap: 48px; }
  .dit-visual { position: static; }
  .about-inner { grid-template-columns: 1fr; }
  .about-inner--reverse .about-photo { order: -1; }
  .fellow-intro { grid-template-columns: 1fr; gap: 40px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .works-grid { grid-template-columns: 1fr 1fr; }
  .camera-grid { grid-template-columns: 1fr 1fr; }
  .hero-visual { width: 100%; opacity: 0.15; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  /* works tabs */
  .works-tabs { flex-wrap: wrap; }
  .works-tab { padding: 10px 14px; font-size: 10px; }
  /* about section */
  .about-photo { max-width: 100%; }
  .about-inner--reverse .about-photo { order: -1; }
  /* fellow */
  .fellow-how { padding: 24px 20px; }
}
@media (max-width: 480px) {
  .works-grid { grid-template-columns: 1fr; }
  .dit-stat-grid { grid-template-columns: 1fr; }
}
/* company table stacked layout on mobile */
@media (max-width: 600px) {
  .company-table { margin-top: 32px; }
  .company-table tr { display: block; padding: 14px 0; border-bottom: 1px solid var(--black-4); }
  .company-table th,
  .company-table td { display: block; width: auto; padding: 2px 0; border-bottom: none; white-space: normal; }
  .company-table th { width: auto; font-size: 10px; margin-bottom: 4px; }
  .company-table td { font-size: 14px; }
}

/* ── Article Page System (DIT/Broadcast/Corporate-VP common) ─── */
.page-hero {
  min-height: 60vh;
  display: flex;
  align-items: center;
  padding: 160px clamp(24px,5vw,80px) 80px;
  background: var(--black);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: attr(data-glyph);
  position: absolute;
  right: -40px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: clamp(160px, 20vw, 320px);
  color: rgba(200,169,110,0.04);
  line-height: 1;
  pointer-events: none;
  letter-spacing: -0.02em;
}
.page-hero-content {
  max-width: var(--max-w);
  margin: 0 auto;
}
.breadcrumb {
  font-family: var(--font-ui);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--white-dim);
  margin-bottom: 32px;
  display: flex;
  gap: 8px;
  align-items: center;
}
.breadcrumb a { color: var(--amber); }
.breadcrumb span { opacity: 0.4; }

.article-body {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--section-pad);
}
.article-lead {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--white-dim);
  line-height: 1.9;
  margin-bottom: 64px;
  border-left: 2px solid var(--amber);
  padding-left: 32px;
}
.article-h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 48px);
  letter-spacing: 0.03em;
  color: var(--white);
  margin: 72px 0 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--black-4);
}
.article-h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin: 40px 0 16px;
}
.article-p {
  font-size: 15px;
  color: var(--white-dim);
  line-height: 1.95;
  margin-bottom: 20px;
}
.article-list {
  margin: 0 0 24px;
  padding-left: 0;
  list-style: none;
}
.article-list li {
  font-size: 15px;
  color: var(--white-dim);
  line-height: 1.9;
  padding-left: 22px;
  position: relative;
  margin-bottom: 10px;
}
.article-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  background: var(--amber);
  opacity: 0.6;
}
.article-highlight {
  background: var(--black-2);
  border: 1px solid var(--black-4);
  border-left: 3px solid var(--amber);
  padding: 28px 32px;
  margin: 40px 0;
}
.article-highlight p {
  font-size: 15px;
  color: var(--white-dim);
  line-height: 1.9;
  margin: 0;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2px;
  margin: 32px 0;
}
.feature-item {
  background: var(--black-2);
  border: 1px solid var(--black-4);
  padding: 24px 24px;
}
.feature-item-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 8px;
}
.feature-item-desc {
  font-size: 12px;
  color: var(--white-dim);
  line-height: 1.7;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 8px;
}
.tag-pill {
  font-family: var(--font-ui);
  font-size: 12px;
  color: var(--white-dim);
  border: 1px solid var(--black-4);
  background: var(--black-2);
  padding: 8px 18px;
  border-radius: 999px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 40px 0;
}
.faq-item {
  background: var(--black-2);
  border: 1px solid var(--black-4);
}
.faq-question {
  padding: 24px 28px;
  font-size: 15px;
  font-weight: 500;
  color: var(--white);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}
.faq-question::after {
  content: '+';
  font-family: var(--font-display);
  font-size: 24px;
  color: var(--amber);
  transition: transform 0.3s;
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-item.open .faq-question::after { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-item.open .faq-answer { max-height: 400px; }
.faq-answer-inner {
  padding: 0 28px 24px;
  font-size: 14px;
  color: var(--white-dim);
  line-height: 1.9;
}

/* ── Back to Top (狭幅ブラウザ専用) ───────── */
#back-to-top {
  display: none;
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(10,10,10,0.85);
  border: 1px solid var(--amber-dim);
  color: var(--amber);
  align-items: center;
  justify-content: center;
  z-index: 90;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  backdrop-filter: blur(6px);
}
#back-to-top svg { width: 20px; height: 20px; display: block; }
#back-to-top.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
@media (max-width: 768px) {
  #back-to-top { display: flex; }
}

/* ── Reduced Motion ─────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .fade-up { opacity: 1; transform: none; }
}