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

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

:root {
  --c-red:    #ff0000;
  --c-pink:   #ff006e;
  --c-dark:   #1a1a2e;
  --c-dark2:  #12122a;
  --c-dark3:  #0d0d1f;
  --c-cyan:   #00f0ff;
  --c-white:  #f0e6ff;
  --c-muted:  #a090c0;
  --c-card:   #211f3a;
  --c-border: #ff006e44;
  --font-serif: 'Noto Serif JP', 'Georgia', serif;
  --font-sans:  'Noto Sans JP', system-ui, sans-serif;
  --nav-h: 60px;
  --aside-w: 280px;
  --radius-card: 28px;
  --glow-red:  0 0 8px #ff0000, 0 0 20px #ff000088;
  --glow-pink: 0 0 8px #ff006e, 0 0 24px #ff006eaa;
  --glow-cyan: 0 0 8px #00f0ff, 0 0 20px #00f0ff88;
}

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

body.neon-body {
  background-color: var(--c-dark3);
  color: var(--c-white);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* ── CRT Scanlines ── */
.scanlines {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 3px,
    rgba(0,0,0,0.18) 3px,
    rgba(0,0,0,0.18) 4px
  );
  mix-blend-mode: multiply;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--c-dark3); }
::-webkit-scrollbar-thumb { background: var(--c-pink); border-radius: 3px; }

/* ── Header ── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 400;
  height: var(--nav-h);
  background: rgba(13,13,31,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--c-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 20px;
}

.brand-mark {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--c-white);
}

.brand-icon {
  font-size: 1.8rem;
  color: var(--c-red);
  text-shadow: var(--glow-red);
  line-height: 1;
}

.logo-mark {
  width: 40px;
  height: 40px;
  object-fit: contain;
  filter: drop-shadow(0 0 6px var(--c-pink));
}

/* ── Hamburger ── */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 48px;
  height: 48px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--c-border);
  border-radius: 6px;
  cursor: pointer;
  transition: border-color 0.2s;
}

.hamburger:hover { border-color: var(--c-pink); }

.hamburger span {
  display: block;
  height: 2px;
  background: var(--c-white);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.hamburger.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ── Aside / Fullscreen Nav ── */
.site-aside {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(10,10,25,0.97);
  backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(.77,0,.18,1);
}

.site-aside.open {
  transform: translateX(0);
}

.site-aside nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: center;
}

.site-aside nav ul li a {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--c-white);
  text-decoration: none;
  letter-spacing: 0.08em;
  border: 1px solid transparent;
  border-radius: 6px;
  transition: color 0.2s, border-color 0.2s, text-shadow 0.2s;
  min-height: 48px;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.site-aside nav ul li a:hover,
.site-aside nav ul li a:focus {
  color: var(--c-pink);
  border-color: var(--c-pink);
  text-shadow: var(--glow-pink);
}

/* ── Overlay ── */
.overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 490;
  background: rgba(0,0,0,0.5);
}

.overlay.show { display: block; }

/* ── Main Layout ── */
.site-main {
  padding-top: var(--nav-h);
}

.main-article > div {
  width: 100%;
}

/* ── Hero ── */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(255,0,110,0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 30%, rgba(255,0,0,0.10) 0%, transparent 55%),
    var(--c-dark);
  padding: 80px 24px 60px;
  scroll-margin-top: var(--nav-h);
}

.hero-inner {
  display: flex;
  align-items: center;
  gap: 48px;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-media {
  flex: 0 0 45%;
  will-change: transform;
  overflow: hidden;
  border-radius: var(--radius-card);
  box-shadow: 0 0 40px rgba(255,0,110,0.3);
}

.hero-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-card);
  object-fit: cover;
}

.hero-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 20px;
}

/* ── Glitch H1 ── */
h1.glitch {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.2;
  position: relative;
  text-shadow: var(--glow-red);
  animation: glitch-main 4s infinite;
}

h1.glitch::before,
h1.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  overflow: hidden;
}

h1.glitch::before {
  color: var(--c-cyan);
  animation: glitch-before 4s infinite;
  clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
  text-shadow: -2px 0 var(--c-cyan);
}

h1.glitch::after {
  color: var(--c-pink);
  animation: glitch-after 4s infinite;
  clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
  text-shadow: 2px 0 var(--c-pink);
}

@keyframes glitch-main {
  0%, 90%, 100% { transform: none; }
  92% { transform: skewX(-1deg); }
  94% { transform: skewX(1.5deg); }
  96% { transform: none; }
}

@keyframes glitch-before {
  0%, 88%, 100% { transform: none; opacity: 0; }
  89% { opacity: 1; transform: translate(-3px, 0); }
  91% { transform: translate(3px, 0); }
  93% { opacity: 0; }
}

@keyframes glitch-after {
  0%, 90%, 100% { transform: none; opacity: 0; }
  91% { opacity: 1; transform: translate(2px, 1px); }
  93% { transform: translate(-2px, -1px); }
  95% { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  h1.glitch { animation: none; }
  h1.glitch::before, h1.glitch::after { display: none; }
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--c-muted);
  line-height: 1.8;
  max-width: 420px;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 36px;
  height: 52px;
  min-height: 52px;
  background: linear-gradient(135deg, var(--c-red), var(--c-pink));
  color: #fff;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  border-radius: 50px;
  box-shadow: var(--glow-pink);
  transition: transform 0.2s, box-shadow 0.2s;
}

.cta-btn:hover {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 0 20px #ff006e, 0 0 40px #ff0000;
}

/* ── Content Body ── */
.content-body {
  max-width: 900px;
  margin: 0 auto;
  padding: 60px 24px 40px;
}

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

.reveal.revealed {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ── Content Typography ── */
.content-body h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  font-weight: 700;
  color: var(--c-red);
  text-shadow: var(--glow-red);
  margin: 2.5rem 0 0.4rem;
  line-height: 1.3;
}

.content-body h2 + hr {
  border: none;
  border-top: 1px solid var(--c-border);
  margin: 0.5rem 0 1.2rem;
}

.content-body h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--c-pink);
  text-shadow: var(--glow-pink);
  margin: 2rem 0 0.6rem;
  line-height: 1.4;
}

.content-body h3 + hr {
  border: none;
  border-top: 1px solid rgba(255,0,110,0.2);
  margin: 0.3rem 0 1rem;
}

.content-body p {
  margin: 0 0 1rem;
  color: var(--c-white);
}

.content-body a {
  color: var(--c-pink);
  text-decoration: none;
  transition: color 0.2s, text-shadow 0.2s;
}

.content-body a:hover {
  color: var(--c-cyan);
  text-shadow: var(--glow-cyan);
}

.content-body ul,
.content-body ol {
  padding-left: 1.4em;
  margin: 0 0 1rem;
}

.content-body li {
  margin-bottom: 0.4rem;
}

.content-body strong {
  color: var(--c-red);
  font-weight: 700;
}

.content-body em {
  color: var(--c-pink);
}

.content-body blockquote {
  border-left: 3px solid var(--c-pink);
  padding-left: 1rem;
  color: var(--c-muted);
  margin: 1.5rem 0;
  font-style: italic;
}

/* Content Sections (injected via page.content with id="…") */
.content-body div {
  padding: 2rem 0;
  border-bottom: 1px solid rgba(255,0,110,0.1);
  scroll-margin-top: calc(var(--nav-h) + 12px);
}

.content-body div:last-child {
  border-bottom: none;
}

/* Cards inside content */
.content-body .card,
.content-body [class*="card"] {
  background: var(--c-card);
  border-radius: var(--radius-card);
  padding: 24px;
  margin: 1rem 0;
}

/* Table */
.content-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

.content-body th,
.content-body td {
  padding: 10px 14px;
  border: 1px solid var(--c-border);
  font-size: 0.95rem;
}

.content-body th {
  background: rgba(255,0,110,0.12);
  color: var(--c-pink);
  font-weight: 700;
}

.content-body tr:nth-child(even) td {
  background: rgba(255,255,255,0.03);
}

/* HR standalone */
hr {
  border: none;
  border-top: 1px solid var(--c-border);
  margin: 1.5rem 0;
}

/* ── Footer ── */
.site-footer {
  background: var(--c-dark);
  border-top: 1px solid var(--c-border);
  padding: 20px 24px;
  display: flex;
  align-items: center;
}

.site-footer > div {
  flex: 1;
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--c-muted);
}

.footer-links {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 12px;
}

.footer-badge {
  display: inline-block;
  padding: 3px 10px;
  border: 1px solid var(--c-red);
  border-radius: 4px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--c-red);
  letter-spacing: 0.1em;
  text-shadow: var(--glow-red);
}

/* ── Neon decoration line ── */
.content-body div::before {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: linear-gradient(90deg, var(--c-red), var(--c-pink));
  border-radius: 2px;
  margin-bottom: 1.2rem;
  box-shadow: var(--glow-pink);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .hero-inner {
    flex-direction: column;
    gap: 32px;
    padding: 0;
  }

  .hero-media {
    flex: none;
    width: 100%;
    max-height: 300px;
    overflow: hidden;
  }

  .hero-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
  }

  .hero-section {
    min-height: 100vh;
    padding: 80px 20px 60px;
    align-items: flex-start;
  }

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

  .content-body {
    padding: 40px 16px 30px;
  }

  .site-footer {
    flex-direction: column;
    gap: 8px;
    text-align: center;
    padding: 16px;
  }

  .footer-links {
    justify-content: center;
  }

  .site-aside nav ul li a {
    font-size: 1.1rem;
    padding: 0 28px;
    min-height: 52px;
  }
}

@media (max-width: 480px) {
  .content-body h2 {
    font-size: 1.25rem;
  }

  .content-body table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

button[aria-expanded]{min-width:44px;min-height:44px}