:root {
  --bg-dark: #07090f;
  --bg-darker: #040508;

  /* Neon Colors inspired by virtual/cyber space */
  --color-accent: #00f0ff;
  /* Cyan */
  --color-primary: #ff2a7e;
  /* Hot Pink */
  --color-gold: #ffea00;
  /* Yellow/Gold */

  --text-main: #ffffff;
  --text-muted: #8e9bb8;

  --font-en: 'Montserrat', sans-serif;
  --font-jp: 'Noto Sans JP', sans-serif;

  --nav-width: 80px;
  --slant-deg: -12deg;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-jp);
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
  line-height: 1.6;
}

/* ------------------------
   Background Virtual Effects
------------------------ */
.bg-virtual {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: -1;
  overflow: hidden;
  background: radial-gradient(circle at center, #0e1222 0%, var(--bg-darker) 100%);
}

.grid-floor {
  position: absolute;
  bottom: -50%;
  left: -50%;
  width: 200%;
  height: 100%;
  background-image:
    linear-gradient(rgba(0, 240, 255, 0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.15) 1px, transparent 1px);
  background-size: 50px 50px;
  transform: perspective(600px) rotateX(60deg);
  animation: gridMove 20s linear infinite;
  mask-image: linear-gradient(to top, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0) 80%);
  -webkit-mask-image: linear-gradient(to top, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0) 80%);
}

@keyframes gridMove {
  0% {
    transform: perspective(600px) rotateX(60deg) translateY(0);
  }

  100% {
    transform: perspective(600px) rotateX(60deg) translateY(50px);
  }
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.4;
  animation: floatOrb 15s ease-in-out infinite alternate;
}

.orb-cyan {
  width: 50vw;
  height: 50vw;
  background: var(--color-accent);
  top: -20vh;
  right: -20vw;
}

.orb-pink {
  width: 40vw;
  height: 40vw;
  background: var(--color-primary);
  bottom: 10vh;
  left: -10vw;
  animation-delay: -5s;
}

.orb-gold {
  width: 30vw;
  height: 30vw;
  background: var(--color-gold);
  top: 50vh;
  right: 20vw;
  opacity: 0.2;
  animation-delay: -10s;
}

@keyframes floatOrb {
  0% {
    transform: scale(1) translate(0, 0);
  }

  100% {
    transform: scale(1.2) translate(5vw, -5vh);
  }
}

.noise-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADIAAAAyBAMAAADsEZWCAAAAGFBMVEUAAAAAAP8AAAD/AAAAAAAA/wD//wAAAACzO/H3AAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAZUlEQVQ4y2NgQAX8DMIoIkiSQRZBmkEcRZZBHkk8QQpBOkEMQTZBOEHWAeUEMwSxBMkEaQTpBLkEyQTZBKkEyQSJBLkEiQTxBPEEcQTpBLEEOQSJBLEE8QTBBKkEuQSxBMkEsQQZAH0kR1d+ZzAAAAAASUVORK5CYII=');
  opacity: 0.05;
  pointer-events: none;
  z-index: 100;
}

/* ------------------------
   Vertical Navigation (Left Side)
------------------------ */
.vert-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--nav-width);
  height: 100vh;
  background: rgba(4, 5, 8, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-right: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  padding: 30px 0;
  z-index: 1000;
}

.nav-logo .logo-en {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: var(--font-en);
  font-weight: 900;
  font-size: 1.5rem;
  letter-spacing: 2px;
}

.text-accent {
  color: var(--color-accent);
}

.text-primary {
  color: var(--color-primary);
}

.nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.nav-link {
  text-decoration: none;
  color: var(--text-muted);
  font-family: var(--font-en);
  font-weight: 800;
  font-size: 0.9rem;
  letter-spacing: 4px;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  position: relative;
  transition: color 0.3s;
  display: flex;
  align-items: center;
}

.nav-link::before {
  content: '';
  width: 2px;
  height: 0;
  background: var(--color-accent);
  position: absolute;
  right: -10px;
  transition: height 0.3s ease;
}

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

.nav-link:hover::before,
.nav-link.active::before {
  height: 100%;
}

.nav-social .platform-text {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: var(--font-en);
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 2px;
}

/* ------------------------
   Main Content Layout
------------------------ */
.main-content {
  margin-left: var(--nav-width);
  min-height: 100vh;
}

.section {
  padding: 120px 6%;
  position: relative;
}

/* Base Slanted Box utility */
.slanted-box {
  transform: skew(var(--slant-deg));
  overflow: hidden;
  position: relative;
}

.slanted-content {
  transform: skew(calc(var(--slant-deg) * -1));
}

/* Tilt Card */
.tilt-card {
  transition: transform 0.1s ease-out;
  transform-style: preserve-3d;
}

/* ------------------------
   Hero Section
------------------------ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 0;
  padding-bottom: 0;
}

.hero-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
}

.hero-text {
  flex: 1;
  z-index: 10;
}

.release-badge {
  background: var(--color-accent);
  color: var(--bg-darker);
  display: inline-block;
  padding: 6px 20px;
  font-family: var(--font-en);
  font-weight: 900;
  font-size: 0.85rem;
  letter-spacing: 2px;
  margin-bottom: 30px;
}

.hero-title {
  display: flex;
  flex-direction: column;
  margin-bottom: 30px;
}

.title-line {
  font-family: var(--font-en);
  font-size: clamp(4rem, 8vw, 7rem);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.title-outline {
  color: transparent;
  -webkit-text-stroke: 2px rgba(255, 255, 255, 0.2);
}

.title-filled {
  color: var(--text-main);
  text-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
}

.title-ja {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 900;
  margin-top: 25px;
  line-height: 1.5;
  text-shadow: 0 5px 15px rgba(0, 0, 0, 0.8);
}

.title-ja .text-accent {
  color: var(--color-accent);
  text-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
}

.title-ja .text-primary {
  color: var(--color-primary);
  text-shadow: 0 0 20px rgba(255, 42, 126, 0.4);
}

.hero-desc {
  color: var(--text-muted);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.8;
}

.dl-btn {
  display: inline-block;
  background: linear-gradient(45deg, var(--color-primary), #ff1060);
  color: #fff;
  text-decoration: none;
  padding: 15px 40px;
  font-family: var(--font-en);
  font-weight: 900;
  font-size: 1.1rem;
  letter-spacing: 2px;
  margin-top: 20px;
  box-shadow: 0 0 20px rgba(255, 42, 126, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.dl-btn:hover {
  background: linear-gradient(45deg, #ff1060, var(--color-primary));
  box-shadow: 0 10px 30px rgba(255, 42, 126, 0.6);
  transform: translateY(-5px) skew(var(--slant-deg));
  /* Maintain slant */
}


/* Floating Phone Visual */
.hero-visual {
  flex: 1;
  display: flex;
  justify-content: center;
  position: relative;
  max-width: 500px;
}

.floating-phone {
  position: relative;
  width: 80%;
  max-width: 320px;
  z-index: 5;
  animation: floating 6s ease-in-out infinite;
}

@keyframes floating {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-30px);
  }
}

.phone-frame {
  background: #000;
  border-radius: 40px;
  padding: 8px;
  position: relative;
  box-shadow:
    10px 20px 50px rgba(0, 0, 0, 0.8),
    inset 0 0 0 2px #333;
  overflow: hidden;
}

.phone-frame::before {
  content: '';
  position: absolute;
  top: -5px;
  bottom: -5px;
  right: -5px;
  left: -5px;
  background: linear-gradient(45deg, var(--color-primary), var(--color-accent), var(--color-gold));
  z-index: -1;
  filter: blur(10px);
  opacity: 0.6;
}

.neon-border {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 40px;
  border: 2px solid rgba(0, 240, 255, 0.3);
  pointer-events: none;
}

.app-screen {
  width: 100%;
  aspect-ratio: 9/19;
  object-fit: cover;
  border-radius: 32px;
  display: block;
}

.glass-glare {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, transparent 50%);
  pointer-events: none;
  border-radius: 32px;
}

/* Decors */
.decor {
  position: absolute;
  background: rgba(255, 42, 126, 0.1);
  border: 1px solid rgba(255, 42, 126, 0.3);
  z-index: 1;
}

.decor-1 {
  width: 300px;
  height: 150px;
  right: -50px;
  bottom: 50px;
}

.decor-2 {
  width: 150px;
  height: 300px;
  left: -20px;
  top: -50px;
  background: rgba(0, 240, 255, 0.05);
  border-color: rgba(0, 240, 255, 0.2);
}

/* Scroll Down indicator */
.scroll-down {
  position: absolute;
  bottom: 40px;
  left: 6%;
  display: flex;
  align-items: center;
  gap: 15px;
  transform: rotate(90deg);
  transform-origin: left center;
}

.scroll-text {
  font-family: var(--font-en);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 3px;
  color: var(--text-muted);
}

.scroll-bar {
  width: 60px;
  height: 2px;
  background: rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.scroll-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 30%;
  height: 100%;
  background: var(--color-accent);
  animation: scrollSlide 1.5s infinite ease-in-out;
}

@keyframes scrollSlide {
  0% {
    transform: translateX(-100%);
  }

  100% {
    transform: translateX(400%);
  }
}

/* ------------------------
   Sections Common Titles
------------------------ */
.section-title-area {
  margin-bottom: 60px;
}

.section-title {
  background: #fff;
  color: #000;
  display: inline-block;
  padding: 10px 40px;
  font-family: var(--font-en);
  font-weight: 900;
  font-size: 2rem;
  letter-spacing: 2px;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  right: -10px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--color-accent);
  z-index: -1;
}

.title-sub {
  font-family: var(--font-jp);
  font-size: 0.9rem;
  font-weight: 700;
  margin-left: 20px;
  letter-spacing: 1px;
  color: #333;
}

/* ------------------------
   Promo Video Settings
------------------------ */
.video-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 20px;
  margin-bottom: 60px;
}

.shorts-wrapper {
  position: relative;
  width: 100%;
  max-width: 320px;
  aspect-ratio: 9 / 16;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8), inset 0 0 0 2px rgba(0, 240, 255, 0.4);
  background: #000;
}

.shorts-wrapper::before {
  content: '';
  position: absolute;
  top: -5px;
  bottom: -5px;
  right: -5px;
  left: -5px;
  background: linear-gradient(45deg, var(--color-primary), var(--color-accent), var(--color-gold));
  z-index: -1;
  filter: blur(10px);
  opacity: 0.6;
}

.shorts-frame {
  position: relative;
  width: 100%;
  height: 100%;
  border: none;
  display: block;
  z-index: 10;
}

.shorts-glare {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, transparent 50%);
  pointer-events: none;
  z-index: 20;
}

/* ------------------------
   Contact Section
------------------------ */
.contact-container {
  max-width: 600px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 40px;
  backdrop-filter: blur(10px);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-main);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-family: var(--font-jp);
  font-size: 1rem;
  transition: border-color 0.3s;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
}

.submit-btn {
  background: var(--color-primary);
  color: #fff;
  border: none;
  padding: 15px 30px;
  font-family: var(--font-en);
  font-weight: 900;
  font-size: 1.1rem;
  cursor: pointer;
  letter-spacing: 2px;
  transition: background 0.3s, transform 0.3s;
  margin-top: 10px;
}

.submit-btn:hover {
  background: #ff1060;
}

.form-status {
  padding: 10px;
  text-align: center;
  font-weight: bold;
  display: none;
}

.form-status.success {
  color: var(--color-accent);
  display: block;
}

.form-status.error {
  color: #ff3333;
  display: block;
}

/* ------------------------
   About / Features Settings
------------------------ */
.feature-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.feature-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 40px;
  position: relative;
  backdrop-filter: blur(5px);
}

.feature-card:hover {
  border-color: var(--color-accent);
  background: rgba(0, 240, 255, 0.05);
}

.feature-card.accent-card:hover {
  border-color: var(--color-primary);
  background: rgba(255, 42, 126, 0.05);
}

.feature-card.accent-card .card-num {
  -webkit-text-stroke-color: var(--color-primary);
}

.card-num {
  font-family: var(--font-en);
  font-size: 5rem;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1px var(--color-accent);
  opacity: 0.5;
  position: absolute;
  top: 20px;
  right: 30px;
  line-height: 1;
}

.card-title {
  font-size: 1.6rem;
  font-weight: 900;
  margin-bottom: 20px;
  position: relative;
  z-index: 2;
}

.card-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  font-weight: 500;
  position: relative;
  z-index: 2;
}

.card-icon {
  font-size: 2.5rem;
  margin-top: 20px;
  opacity: 0.8;
}

/* Status Banner */
.status-banner {
  background: linear-gradient(90deg, var(--color-accent), #0099ff);
  color: #000;
  padding: 30px 50px;
}

.banner-content {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.banner-text {
  display: flex;
  flex-direction: column;
}

.banner-label {
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 2px;
  opacity: 0.7;
}

.banner-val {
  font-size: 1.5rem;
  font-weight: 900;
  font-family: var(--font-en);
}

.banner-val.text-accent {
  color: var(--bg-darker);
  background: #fff;
  padding: 0 10px;
}

/* ------------------------
   Creator Section
------------------------ */
.creator-wrapper {
  max-width: 900px;
  margin: 0 auto;
}

.creator-profile {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 50px;
  backdrop-filter: blur(10px);
}

.creator-profile:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 30px rgba(255, 42, 126, 0.2);
}

.profile-inner {
  display: flex;
  gap: 50px;
  align-items: center;
}

.avatar-container {
  width: 140px;
  height: 140px;
  position: relative;
  transform: skew(10deg);
  overflow: hidden;
  border: 3px solid var(--color-primary);
}

.avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: skew(-10deg) scale(1.2);
}

.avatar-glitch {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-accent);
  mix-blend-mode: overlay;
  opacity: 0;
  transition: 0.3s;
}

.creator-profile:hover .avatar-glitch {
  opacity: 0.5;
}

.profile-right {
  flex: 1;
}

.role-badge {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 900;
  padding: 2px 10px;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.creator-name {
  font-size: 2.2rem;
  font-weight: 900;
  margin-bottom: 15px;
}

.creator-id {
  font-family: var(--font-en);
  font-size: 1rem;
  color: var(--text-muted);
}

.creator-bio {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 30px;
}

.sns-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
}

.sns-link {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  text-decoration: none;
  padding: 12px 20px;
  text-align: center;
  font-weight: 700;
  transition: 0.3s;
}

.sns-link:hover {
  background: #fff;
  color: #000;
  border-color: #fff;
  transform: translateX(10px) skew(var(--slant-deg));
}

/* ------------------------
   Footer
------------------------ */
.footer {
  position: relative;
  background: var(--bg-darker);
  padding: 60px 6% 30px;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  overflow: hidden;
}

.footer-logo {
  font-family: var(--font-en);
  font-weight: 900;
  font-size: 2.5rem;
  margin-bottom: 20px;
  letter-spacing: 2px;
}

.copyright {
  font-family: var(--font-en);
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.disclaimer {
  color: #555;
  font-size: 0.8rem;
}

.footer-cut {
  position: absolute;
  bottom: 0;
  right: -50px;
  width: 200px;
  height: 100px;
  background: var(--color-primary);
  transform: rotate(-45deg) translate(50%, 50%);
  opacity: 0.2;
}

/* ------------------------
   Animations & Reveals
------------------------ */
.reveal-up {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s cubic-bezier(0.1, 0, 0.1, 1);
}

.reveal-up.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.8s cubic-bezier(0.1, 0, 0.1, 1);
}

.reveal-left.active {
  opacity: 1;
  transform: translateX(0);
}

/* Elements that are both slanted and revealed */
.slanted-box.reveal-up {
  transform: translateY(50px) skew(var(--slant-deg));
}

.slanted-box.reveal-up.active {
  transform: translateY(0) skew(var(--slant-deg));
}

.slanted-box.reveal-left {
  transform: translateX(-50px) skew(var(--slant-deg));
}

.slanted-box.reveal-left.active {
  transform: translateX(0) skew(var(--slant-deg));
}

/* ------------------------
   Responsive
------------------------ */
@media (max-width: 1024px) {
  :root {
    --nav-width: 60px;
    --slant-deg: -6deg;
  }

  .hero {
    padding-top: 100px;
    padding-bottom: 80px;
  }

  .hero-inner {
    flex-direction: column;
    justify-content: center;
    gap: 60px;
    text-align: center;
  }

  .hero-text {
    order: 2;
    margin-top: 20px;
  }

  .hero-visual {
    order: 1;
  }

  .title-line {
    font-size: clamp(3rem, 10vw, 5rem);
  }

  .feature-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-width: 0;
    --slant-deg: -2deg;
  }

  .vert-nav {
    display: none;
    /* In real app, build a top mobile menu. Hiding for brevity */
  }

  .main-content {
    margin-left: 0;
  }

  .hero-inner {
    gap: 40px;
  }

  .title-line {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .title-ja {
    font-size: clamp(1.4rem, 4vw, 1.8rem);
  }

  .scroll-down {
    display: none;
  }

  .section-title {
    font-size: 1.5rem;
    padding: 10px 20px;
  }

  .title-sub {
    display: block;
    margin-left: 0;
    margin-top: 5px;
    font-size: 0.8rem;
  }

  .feature-card {
    padding: 30px 15px;
  }

  .card-num {
    font-size: 3.5rem;
    top: 10px;
    right: 15px;
  }

  .status-banner {
    padding: 20px 10px;
  }

  .creator-profile {
    padding: 30px 15px;
  }

  .contact-container {
    padding: 30px 15px;
  }

  .profile-inner {
    flex-direction: column;
    text-align: center;
    gap: 30px;
  }

  .sns-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 80px 5%;
  }

  .footer-inner {
    padding: 0 10px;
  }

  .footer-logo {
    font-size: 2rem;
  }
}