/* ================================
   TsuzuKit — Bright & Pop Editorial Design
   Inspired by recruit.zoccon.me (the About-page taste)
   Light cream base + bold black display + colorful offset-shadow cards.
   Nav & footer stay dark (like the About page) for contrast.
   Portfolio by Ryo Tsuzukihashi
   ================================ */

@import url('https://fonts.googleapis.com/css2?family=Anton&family=Saira+Condensed:wght@500;600;700;800&family=Inter:wght@400;500;600;700;800;900&family=Noto+Sans+JP:wght@400;500;700;800;900&display=swap');

/* ========== Variables ========== */
:root {
  /* Light pop palette */
  --color-background: #f6f2ea;   /* warm cream page background */
  --color-surface: #ffffff;      /* cards / panels */
  --color-surface-2: #efe9dd;    /* wells / raised */
  --color-accent: #efe9dd;       /* section-alt background */
  --color-primary: #14110c;      /* ink — headings / strong foreground */
  --color-text: #2a2620;         /* body text */
  --color-secondary: #6c6356;    /* muted text */
  --color-text-light: #9a8f7e;
  --color-border: rgba(20, 17, 8, 0.14);
  --color-border-strong: #14110c;   /* ink — neobrutalist borders */
  --color-ink: #14110c;

  /* Pop accents */
  --neon-cyan: #14110c;
  --neon-purple: #8b3df5;
  --neon-pink: #14110c;
  --neon-blue: #14110c;
  --pop-yellow: #14110c;
  --grad-neon: linear-gradient(120deg, #14110c 0%, #14110c 100%);
  --grad-neon-2: linear-gradient(120deg, #14110c 0%, #14110c 100%);

  /* Typography */
  --font-display: 'Saira Condensed', 'Anton', 'Noto Sans JP', sans-serif;
  --font-impact: 'Anton', 'Saira Condensed', 'Noto Sans JP', sans-serif;
  --font-main: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-accent: 'Saira Condensed', 'Inter', sans-serif;

  /* Border radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 22px;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 3rem;
  --space-xl: 5rem;
  --space-2xl: 8rem;

  /* Animation */
  --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* ----- Legacy aliases (so page CSS written for style.css resolves under this theme) ----- */
  --font-family: var(--font-main);
  --color-sun: #14110c;
  --color-sun-soft: rgba(20, 17, 12, 0.08);
  --color-sky: #14110c;
  --color-sky-soft: rgba(20, 17, 12, 0.08);
  --color-pink: #14110c;
  --color-pink-soft: rgba(20, 17, 12, 0.08);
  --font-size-xs: 0.75rem; --font-size-sm: 0.875rem; --font-size-base: 1.0625rem;
  --font-size-lg: 1.25rem; --font-size-xl: 1.5rem; --font-size-2xl: 2rem;
  --font-size-3xl: 2.75rem; --font-size-4xl: 3.5rem; --font-size-5xl: 4.5rem; --font-size-6xl: 6rem;
  --spacing-xs: 0.5rem; --spacing-sm: 1rem; --spacing-md: 2rem; --spacing-lg: 3rem;
  --spacing-xl: 5rem; --spacing-2xl: 8rem; --spacing-3xl: 12rem;
  --border-radius: 16px;
  --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-main);
  color: var(--color-text);
  background-color: var(--color-background);
  line-height: 1.8;
  font-weight: 400;
  letter-spacing: 0.01em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Subtle dark dot grid on cream */
  background-image: radial-gradient(rgba(20, 17, 8, 0.06) 1px, transparent 1px);
  background-size: 28px 28px;
}

::selection { background: var(--neon-pink); color: #fff; }

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

/* ========== Typography ========== */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  font-style: italic;
  line-height: 1.0;
  letter-spacing: 0.01em;
  color: var(--color-primary);
  text-transform: uppercase;
}

h1 { font-size: clamp(3rem, 8vw, 7rem); }
h2 { font-size: clamp(2.2rem, 5.5vw, 4.5rem); }
h3 { font-size: clamp(1.4rem, 3vw, 2.2rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.5rem); }

p {
  font-size: 1.0625rem;
  margin-bottom: 1.4rem;
  color: var(--color-secondary);
  font-weight: 400;
  line-height: 1.9;
}

a { color: inherit; }

strong { color: var(--color-primary); font-weight: 700; }

/* ========== Display text utilities ========== */
.display {
  font-family: var(--font-impact);
  font-style: italic;
  text-transform: uppercase;
  line-height: 0.92;
  letter-spacing: 0.005em;
}

.outline {
  color: transparent;
  -webkit-text-stroke: 2px var(--color-primary);
  text-stroke: 2px var(--color-primary);
}

.text-gradient {
  background: var(--grad-neon);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  font-weight: 800;
}

.text-neon { color: var(--neon-cyan); }
.text-purple { color: var(--neon-purple); }

/* ========== Lightning bolt motif ========== */
/* ブランドマーク（積み重ね）。文字色に追従するので、明るい面でも暗い帯でも使える */
.mark,
.bolt {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: -0.16em;
  background: currentColor;
  -webkit-mask: url("/assets/images/mark-stack.svg") center / contain no-repeat;
  mask: url("/assets/images/mark-stack.svg") center / contain no-repeat;
}
.bolt--purple,
.bolt--pink { background: currentColor; }

/* Vertical rotated label (e.g. WORKS / SCROLL) */
.label-vertical {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-family: var(--font-accent);
  font-style: italic;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--color-secondary);
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
}

/* ========== Background glow blobs ========== */
.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.4;
  pointer-events: none;
  z-index: 0;
}
.glow--cyan { background: radial-gradient(circle, rgba(20,17,12,0.4), transparent 70%); }
.glow--purple { background: radial-gradient(circle, rgba(20,17,12,0.4), transparent 70%); }
.glow--pink { background: radial-gradient(circle, rgba(20,17,12,0.34), transparent 70%); }

/* ========== Navigation (kept dark for contrast) ========== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0.9rem 0;
  background: rgba(20, 17, 8, 0.8);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  transition: var(--transition-normal);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(20, 17, 8, 0.95);
  border-bottom-color: rgba(255, 255, 255, 0.12);
}

.nav-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: 0.02em;
  color: #ffffff;
  text-decoration: none;
  text-transform: uppercase;
  transition: var(--transition-normal);
}
.nav-logo:hover { color: var(--neon-pink); }

.nav-menu { display: flex; align-items: center; gap: var(--space-md); }

.nav-link {
  position: relative;
  font-family: var(--font-accent);
  font-size: 0.82rem;
  font-weight: 700;
  font-style: italic;
  color: rgba(255, 255, 255, 0.66);
  text-decoration: none;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: var(--transition-normal);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--grad-neon);
  transition: var(--transition-spring);
  border-radius: 2px;
}

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

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--space-2xl) var(--space-xl);
  overflow: hidden;
  background: var(--color-background);
}

/* hero media: faint scrolling app icons + cream wash */
.hero-media { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.hero-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(78% 60% at 50% 40%, transparent, rgba(246, 242, 234, 0.82)),
    linear-gradient(120deg, #14110c 0%, #14110c 100%), rgba(246, 242, 234, 0.92));
  z-index: 2;
}

.icon-row {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 56px;
  white-space: nowrap;
  will-change: transform;
  z-index: 1;
}
.icon-row--1 { top: 14%; animation: scrollRight 55s linear infinite; }
.icon-row--2 { top: 42%; animation: scrollLeft 65s linear infinite; }
.icon-row--3 { top: 70%; animation: scrollRight 75s linear infinite; }
.icon-row img { width: 84px; height: 84px; border-radius: 20px; opacity: 0.5; object-fit: cover; flex-shrink: 0; }

.hero-content { position: relative; z-index: 3; max-width: 1440px; width: 100%; margin: 0 auto; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.1rem;
  margin-bottom: 2rem;
  background: #fff;
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-xl);
  box-shadow: 4px 4px 0 var(--color-ink);
  font-family: var(--font-accent);
  font-size: 0.78rem;
  font-weight: 700;
  font-style: italic;
  color: var(--color-ink);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--font-impact);
  font-style: italic;
  text-transform: uppercase;
  line-height: 0.88;
  letter-spacing: 0.01em;
  margin-bottom: 1.5rem;
}
.hero-title .line { display: block; }
.hero-title .line--outline {
  font-size: clamp(3.2rem, 11vw, 10rem);
  color: transparent;
  -webkit-text-stroke: 2px var(--color-primary);
}
.hero-title .line--solid {
  font-size: clamp(3.2rem, 11vw, 10rem);
  color: var(--color-primary);
}
.hero-title .bolt { width: 0.5em; height: 0.78em; vertical-align: 0.02em; margin-left: 0.1em; }

.hero-manifesto {
  display: inline-block;
  font-family: var(--font-accent);
  font-style: italic;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary);
  border-bottom: 3px solid var(--neon-pink);
  padding-bottom: 4px;
  margin-bottom: 2rem;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.35rem);
  color: var(--color-secondary);
  margin-bottom: 2.5rem;
  font-weight: 400;
  line-height: 1.9;
  max-width: 640px;
}

.hero-cta { display: inline-flex; flex-wrap: wrap; gap: var(--space-sm); }

.hero-scroll { position: absolute; right: var(--space-xl); bottom: var(--space-xl); z-index: 3; }
.hero-scroll .label-vertical { color: var(--color-secondary); }

/* ========== Buttons (neobrutalist) ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2.2rem;
  font-family: var(--font-accent);
  font-size: 0.85rem;
  font-weight: 700;
  font-style: italic;
  text-decoration: none;
  border-radius: var(--radius-xl);
  transition: var(--transition-spring);
  cursor: pointer;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 2px solid var(--color-ink);
}

.btn-primary {
  background: var(--color-ink);
  color: #fff;
  box-shadow: 5px 5px 0 var(--color-ink);
}
.btn-primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--neon-pink);
}

.btn-secondary {
  background: #fff;
  color: var(--color-ink);
  box-shadow: 5px 5px 0 var(--neon-cyan);
}
.btn-secondary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--neon-cyan);
}

/* ========== Sections ========== */
.section { padding: var(--space-2xl) 0; position: relative; }
.section-alt { background: var(--color-accent); }

.container { max-width: 1440px; margin: 0 auto; padding: 0 var(--space-xl); position: relative; z-index: 2; }

.section-header { text-align: center; margin-bottom: var(--space-xl); }

.section-badge {
  display: inline-block;
  margin-bottom: var(--space-md);
  font-family: var(--font-accent);
  font-size: 0.8rem;
  font-weight: 700;
  font-style: italic;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--neon-purple);
}
.section-badge::before {
  content: '';
  display: inline-block;
  width: 0.85em; height: 0.85em;
  margin-right: 0.4em;
  vertical-align: -0.1em;
  background: currentColor;
  -webkit-mask: url("/assets/images/mark-stack.svg") center / contain no-repeat;
  mask: url("/assets/images/mark-stack.svg") center / contain no-repeat;
}

.section-title { margin-bottom: var(--space-md); color: var(--color-primary); }

.section-description {
  max-width: 800px;
  margin: 0 auto;
  font-size: 1.1rem;
  color: var(--color-secondary);
  line-height: 1.9;
  font-weight: 400;
}

/* ========== Works (Featured) ========== */
.works-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); margin-top: var(--space-xl); }

.work-item {
  position: relative;
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--color-surface);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 8px 8px 0 var(--color-ink);
  transition: var(--transition-spring);
}
.work-item:hover { transform: translate(-4px, -4px); box-shadow: 12px 12px 0 var(--color-ink); }

.work-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 2px solid var(--color-ink);
  background: radial-gradient(circle at 30% 30%, rgba(139, 61, 245, 0.16), transparent 60%),
              radial-gradient(circle at 70% 80%, rgba(11, 180, 196, 0.16), transparent 60%),
              var(--color-surface-2);
}
.work-thumb img {
  width: 38%;
  border-radius: 24px;
  box-shadow: 0 16px 36px rgba(20, 17, 8, 0.25);
  transition: var(--transition-slow);
}
.work-item:hover .work-thumb img { transform: scale(1.06) rotate(-2deg); }

/* Key-visual thumbnails (full-bleed banner images) */
.work-thumb--kv { background: var(--color-surface-2); }
.work-thumb--kv img { width: 100%; height: 100%; border-radius: 0; object-fit: cover; box-shadow: none; }
.work-item:hover .work-thumb--kv img { transform: scale(1.04); }

.work-no {
  position: absolute;
  top: 0.2rem;
  left: 1rem;
  z-index: 2;
  font-family: var(--font-impact);
  font-style: italic;
  font-size: clamp(4rem, 9vw, 8rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(20, 17, 8, 0.35);
  pointer-events: none;
}

.work-badge {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  z-index: 2;
  padding: 0.35rem 0.9rem;
  background: #fff;
  border: 2px solid var(--color-ink);
  box-shadow: 3px 3px 0 var(--neon-pink);
  border-radius: var(--radius-xl);
  font-family: var(--font-accent);
  font-size: 0.72rem;
  font-weight: 700;
  font-style: italic;
  color: var(--color-ink);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.work-content { padding: var(--space-lg); }
.work-title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: 1.7rem;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.7rem;
}
.work-tag {
  font-family: var(--font-accent);
  font-style: italic;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--neon-purple);
  margin-bottom: 1rem;
}
.work-description { font-size: 0.98rem; color: var(--color-secondary); margin-bottom: var(--space-md); line-height: 1.8; }
.work-stats { display: flex; gap: var(--space-lg); padding-top: var(--space-md); border-top: 2px solid var(--color-border); }
.work-stat { display: flex; flex-direction: column; }
.work-stat-value { font-family: var(--font-display); font-style: italic; font-weight: 800; font-size: 1.5rem; color: var(--color-primary); }
.work-stat-label { font-size: 0.72rem; color: var(--color-text-light); text-transform: uppercase; letter-spacing: 0.1em; }

/* Legacy memory cards (compat) */
.memory-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); gap: var(--space-lg); margin-top: var(--space-xl); }
.memory-card { background: var(--color-surface); border: 2px solid var(--color-ink); border-radius: var(--radius-lg); overflow: hidden; box-shadow: 8px 8px 0 var(--color-ink); transition: var(--transition-spring); }
.memory-card:hover { transform: translate(-4px, -4px); box-shadow: 12px 12px 0 var(--color-ink); }
.memory-card-image { position: relative; height: 260px; display: flex; align-items: center; justify-content: center; padding: var(--space-lg); background: var(--color-surface-2); border-bottom: 2px solid var(--color-ink); }
.memory-card-image img { max-height: 100%; width: auto; border-radius: 22px; }
.memory-card-badge { position: absolute; top: var(--space-md); right: var(--space-md); padding: .35rem .9rem; background: #fff; border: 2px solid var(--color-ink); box-shadow: 3px 3px 0 var(--neon-pink); border-radius: var(--radius-xl); font-family: var(--font-accent); font-style: italic; font-weight: 700; font-size: .72rem; color: var(--color-ink); text-transform: uppercase; letter-spacing: .08em; }
.memory-card-content { padding: var(--space-lg); }
.memory-card-title { font-family: var(--font-display); font-style: italic; font-weight: 800; font-size: 1.6rem; text-transform: uppercase; color: var(--color-primary); margin-bottom: .6rem; }
.memory-card-description { color: var(--color-secondary); margin-bottom: var(--space-md); line-height: 1.8; }
.memory-card-stats { display: flex; gap: var(--space-lg); padding-top: var(--space-md); border-top: 2px solid var(--color-border); }
.memory-stat { display: flex; flex-direction: column; }
.memory-stat-value { font-family: var(--font-display); font-style: italic; font-weight: 800; font-size: 1.4rem; color: var(--color-primary); }
.memory-stat-label { font-size: .72rem; color: var(--color-text-light); text-transform: uppercase; letter-spacing: .1em; }

/* ========== Timeline (Journey) ========== */
.timeline { position: relative; max-width: 900px; margin: 0 auto; padding: var(--space-lg) 0; }
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-ink);
  transform: translateX(-50%);
  opacity: 0.15;
}
.timeline-item { display: flex; justify-content: flex-start; margin-bottom: var(--space-xl); position: relative; }
.timeline-item:nth-child(even) { justify-content: flex-end; }
.timeline-content {
  width: 44%;
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-lg);
  box-shadow: 6px 6px 0 var(--color-ink);
  transition: var(--transition-spring);
}
.timeline-content:hover { transform: translate(-3px, -3px); box-shadow: 9px 9px 0 var(--neon-cyan); }
.timeline-content h3 { font-size: 1.3rem; margin-bottom: 0.6rem; }
.timeline-content p { margin-bottom: 0; color: var(--color-secondary); }
.timeline-year {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 78px;
  height: 78px;
  background: #fff;
  border: 2px solid var(--color-ink);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  color: var(--neon-purple);
  font-size: 1.05rem;
  box-shadow: 3px 3px 0 var(--color-ink);
  z-index: 2;
}

/* ========== Stats ========== */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-md); margin-top: var(--space-xl); }
.stat-card {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  background: var(--color-surface);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-lg);
  box-shadow: 6px 6px 0 var(--color-ink);
  transition: var(--transition-spring);
}
.stat-card:hover { transform: translate(-3px, -3px); }
.stat-card:nth-child(4n+1):hover { box-shadow: 9px 9px 0 var(--color-ink); }
.stat-card:nth-child(4n+2):hover { box-shadow: 9px 9px 0 var(--neon-cyan); }
.stat-card:nth-child(4n+3):hover { box-shadow: 9px 9px 0 var(--neon-pink); }
.stat-card:nth-child(4n):hover { box-shadow: 9px 9px 0 var(--pop-yellow); }
.stat-number {
  font-family: var(--font-impact);
  font-style: italic;
  font-size: clamp(2.6rem, 5vw, 4rem);
  line-height: 1;
  margin-bottom: var(--space-sm);
  background: var(--grad-neon);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-label { font-family: var(--font-accent); font-style: italic; font-weight: 700; font-size: 0.85rem; color: var(--color-primary); text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: var(--space-xs); }
.stat-description { font-size: 0.8rem; color: var(--color-text-light); }

/* ========== Marquee (kinetic) — dark band for pop contrast ========== */
.marquee {
  overflow: hidden;
  width: 100%;
  padding: var(--space-md) 0;
  background: var(--color-ink);
}
.marquee--neon { background: var(--grad-neon); }
.marquee-track { display: inline-flex; align-items: center; gap: 1.2rem; white-space: nowrap; animation: marquee 28s linear infinite; will-change: transform; }
.marquee--reverse .marquee-track { animation-direction: reverse; }
.marquee-item { font-family: var(--font-impact); font-style: italic; font-size: clamp(2rem, 5vw, 4rem); text-transform: uppercase; color: #fff; letter-spacing: 0.02em; }
.marquee--neon .marquee-item { color: var(--color-ink); }
.marquee-item.outline { color: transparent; -webkit-text-stroke: 1.5px #fff; }
.marquee-sep { color: var(--pop-yellow); font-size: clamp(1.2rem, 3vw, 2.2rem); }

/* Kinetic stacked repeated heading */
.kinetic { text-align: center; padding: var(--space-xl) 0; overflow: hidden; }
.kinetic-line {
  font-family: var(--font-impact);
  font-style: italic;
  font-size: clamp(2.5rem, 8vw, 7rem);
  line-height: 0.95;
  text-transform: uppercase;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(20, 17, 8, 0.16);
  white-space: nowrap;
}
.kinetic-line:nth-child(even) { -webkit-text-stroke-color: rgba(139, 61, 245, 0.4); }

/* ========== Split CTA blocks ========== */
.cta-split { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; }
.cta-block {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  padding: var(--space-xl);
  text-align: center;
  text-decoration: none;
  color: var(--color-ink);
  overflow: hidden;
  background: var(--color-surface);
  border: 2px solid var(--color-ink);
  transition: var(--transition-normal);
}
.cta-block + .cta-block { border-left: none; }
.cta-block::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-neon);
  opacity: 0;
  transition: var(--transition-normal);
  z-index: 0;
}
.cta-block:hover::before { opacity: 1; }
.cta-block > * { position: relative; z-index: 1; }
.cta-block-title { font-family: var(--font-impact); font-style: italic; font-size: clamp(2.2rem, 5vw, 4rem); text-transform: uppercase; line-height: 1; margin-bottom: 0.6rem; }
.cta-block-sub { font-family: var(--font-accent); font-style: italic; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; font-size: 0.9rem; color: var(--color-secondary); }
.cta-block:hover .cta-block-sub { color: var(--color-ink); }

/* Big closing CTA */
.big-cta { text-align: center; padding: var(--space-2xl) var(--space-md); }
.big-cta-title {
  font-family: var(--font-impact);
  font-style: italic;
  font-size: clamp(3rem, 12vw, 9rem);
  line-height: 0.95;
  text-transform: uppercase;
  background: var(--grad-neon-2);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1rem;
}
.big-cta-title .bolt { width: 0.4em; height: 0.7em; -webkit-text-fill-color: initial; }
.big-cta-sub {
  display: inline-block;
  font-family: var(--font-accent);
  font-style: italic;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-ink);
  border-bottom: 3px solid var(--neon-pink);
  padding-bottom: 6px;
}

/* ========== Floating shapes container (pop glows) ========== */
.glow-shapes { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.glow-shape { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.4; }
.glow-shape:nth-child(1) { width: 380px; height: 380px; top: -80px; left: -60px; background: radial-gradient(circle, rgba(20,17,12,.4), transparent 70%); }
.glow-shape:nth-child(2) { width: 320px; height: 320px; bottom: -60px; right: 10%; background: radial-gradient(circle, rgba(20,17,12,.36), transparent 70%); }
.glow-shape:nth-child(3) { width: 280px; height: 280px; top: 40%; right: -80px; background: radial-gradient(circle, rgba(20,17,12,.32), transparent 70%); }

/* ========== Animations ========== */
@keyframes scrollRight { 0% { transform: translateX(-50%); } 100% { transform: translateX(0); } }
@keyframes scrollLeft { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
@keyframes slideUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideDown { from { opacity: 0; transform: translateY(-30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes spin { to { transform: rotate(360deg); } }

/* ========== Utilities ========== */
.text-center { text-align: center; }
.mt-1 { margin-top: var(--space-xs); } .mt-2 { margin-top: var(--space-sm); } .mt-3 { margin-top: var(--space-md); } .mt-4 { margin-top: var(--space-lg); } .mt-5 { margin-top: var(--space-xl); }
.mb-1 { margin-bottom: var(--space-xs); } .mb-2 { margin-bottom: var(--space-sm); } .mb-3 { margin-bottom: var(--space-md); } .mb-4 { margin-bottom: var(--space-lg); } .mb-5 { margin-bottom: var(--space-xl); }
.fade-in { opacity: 0; }
.fade-in.animated { animation: fadeInUp 0.8s ease forwards; }

/* ========== キャラ（あちこちの縁から顔を出す） ========== */
.tk-char {
  position: absolute;
  display: block;
  height: auto;
  pointer-events: none;
  user-select: none;
}

/* トップのCTAブロックの上辺 */
.cta-split { position: relative; }
.tk-char--cta { right: 7%; bottom: 100%; width: 96px; }
@media (max-width: 768px) { .tk-char--cta { right: 20px; width: 64px; } }

/* ========== Footer (kept dark) ========== */
.footer {
  background: var(--color-ink);
  color: #fff;
  padding: var(--space-xl) 0 var(--space-lg);
  text-align: center;
  position: relative;
  border-top: none;
}
.footer::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--grad-neon); }

/* フッターの縁から顔を出すやつ。全ページに出る */
.footer-peek {
  position: absolute;
  bottom: 100%;
  right: clamp(20px, 7vw, 132px);
  width: 112px;
  height: auto;
  display: block;
  pointer-events: none;
  user-select: none;
}
.footer-content { max-width: 1440px; margin: 0 auto; padding: 0 var(--space-xl); }
.footer-copyright { color: rgba(255, 255, 255, 0.85); margin: var(--space-md) 0 var(--space-sm); font-size: 0.85rem; }
.footer-tagline { color: rgba(255, 255, 255, 0.55); font-size: 0.85rem; margin-bottom: var(--space-md); font-style: italic; }
.footer-links { margin-top: var(--space-md); display: flex; justify-content: center; flex-wrap: wrap; gap: var(--space-md); }
.footer-link { color: rgba(255, 255, 255, 0.6); text-decoration: none; font-size: 0.82rem; font-family: var(--font-accent); font-style: italic; font-weight: 600; letter-spacing: 0.05em; transition: var(--transition-normal); }
.footer-link:hover { color: var(--neon-pink); }

.footer-sns { display: flex; justify-content: center; align-items: center; gap: var(--space-sm); }
.sns-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.14);
  transition: var(--transition-spring);
}
.sns-link:hover { border-color: var(--neon-pink); transform: translateY(-4px); background: rgba(255, 255, 255, 0.1); }
.sns-icon { width: 22px; height: 22px; object-fit: contain; border-radius: 5px; opacity: 0.92; }
.sns-link:hover .sns-icon { opacity: 1; }

/* ========== Nav toggle (mobile burger — light bars on dark nav) ========== */
.nav-toggle { display: none; flex-direction: column; justify-content: center; align-items: center; width: 44px; height: 44px; cursor: pointer; gap: 5px; z-index: 1002; -webkit-tap-highlight-color: transparent; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: #fff; border-radius: 1px; transition: all 0.3s ease; }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ========== Responsive ========== */
@media (min-width: 769px) { .nav-toggle { display: none; } }

@media (max-width: 768px) {
  .container, .nav-container, .footer-content { padding: 0 var(--space-md); }
  .hero { padding: 110px var(--space-md) var(--space-xl); min-height: auto; }
  .hero-scroll { display: none; }

  .nav-menu {
    position: fixed;
    inset: 0;
    height: 100dvh;
    background: rgba(20, 17, 8, 0.97);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-md);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 1001;
  }
  .nav-menu.active { opacity: 1; visibility: visible; }
  .nav-link { font-size: 1.6rem; }
  .nav-toggle { display: flex; }

  .works-grid, .cta-split, .stats-grid { grid-template-columns: 1fr; }
  .memory-grid { grid-template-columns: 1fr; }
  .cta-block + .cta-block { border-left: 2px solid var(--color-ink); border-top: none; }

  .timeline::before { left: 22px; }
  .timeline-item, .timeline-item:nth-child(even) { flex-direction: row; justify-content: flex-start; }
  .timeline-content { width: calc(100% - 64px); margin-left: 64px; }
  .timeline-year { left: 22px; transform: translate(-50%, -50%); width: 56px; height: 56px; font-size: 0.85rem; }

  .hero-cta { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }

  .section { padding: var(--space-xl) 0; }
  .icon-row img { width: 60px; height: 60px; }
  .footer-peek { width: 62px; right: 20px; }
}

@media (max-width: 480px) {
  .container, .nav-container, .footer-content { padding: 0 var(--space-sm); }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .hero-title .line--outline { -webkit-text-stroke-width: 1.5px; }
  .work-no { -webkit-text-stroke-width: 1px; }
  .footer-links { flex-direction: column; gap: var(--space-sm); }
  .work-item, .stat-card, .timeline-content, .memory-card { box-shadow: 5px 5px 0 var(--color-ink); }
}

/* ========== Motion: hero entrance, scroll reveals ========== */
@keyframes revealUp { from { opacity: 0; transform: translateY(40px); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: no-preference) {
  /* Hero entrance */
  .hero-badge { animation: slideDown 0.7s ease both; }
  .hero-title .line { animation: slideUp 0.8s cubic-bezier(0.2, 0.7, 0.2, 1) both; }
  .hero-title .line--solid { animation-delay: 0.12s; }
  .hero-manifesto { animation: slideUp 0.8s ease 0.25s both; }
  .hero-subtitle { animation: slideUp 0.8s ease 0.35s both; }
  .hero-cta { animation: slideUp 0.8s ease 0.45s both; }

  /* Scroll-driven reveals (Chromium). Other browsers simply show content. */
  @supports (animation-timeline: view()) {
    .section-header,
    .work-item,
    .stat-card:not(.fade-in),
    .timeline-item:not(.fade-in),
    .memory-card,
    .cta-block {
      animation: revealUp 1s cubic-bezier(0.2, 0.7, 0.2, 1) both;
      animation-timeline: view();
      animation-range: entry 0% entry 50%;
    }
  }
}

/* ========== Brand mark (logo) ========== */
.nav-logo::before {
  content: "";
  display: inline-block;
  width: 1.05em;
  height: 1.05em;
  margin-right: 0.45em;
  vertical-align: -0.16em;
  background: url("/assets/images/logo-mark-white.png") no-repeat center / contain;
}