/*
 * ============================================================
 *  furetakoto.dev — Main Stylesheet
 * ============================================================
 *  Cascade layers: reset → base → layout → components →
 *                  sections → utilities
 * ============================================================
 */

@layer reset, base, layout, components, sections, utilities;

/* ============================================================
 *  Design Tokens
 * ============================================================ */

:root {
  /* --- Color — Light Mode --- */
  --color-bg:            #fcfcfd;
  --color-bg-alt:        #f5f5fa;
  --color-bg-depth-1:    #f8f8fc;
  --color-bg-depth-2:    #f2f2f8;
  --color-surface:       #ffffff;
  --color-border:        #e8e8f0;
  --color-text:          #111118;
  --color-text-secondary:#4a4a62;
  --color-text-tertiary: #6b6b80;
  --color-accent:        oklch(0.58 0.22 285);
  --color-accent-hover:  color-mix(in oklch, var(--color-accent) 85%, white);
  --color-accent-active: color-mix(in oklch, var(--color-accent) 85%, black);
  --color-accent-soft:   rgba(107, 71, 240, 0.06);
  --color-accent-light:  #ede8fe;
  --color-cyan:          oklch(0.72 0.12 210);
  --color-green:         #34d399;
  --color-gradient:      linear-gradient(135deg, oklch(0.62 0.2 285) 0%, oklch(0.72 0.12 210) 100%);

  /* --- Elevation / Shadows --- */
  --color-nav-bg:        rgba(252, 252, 253, 0.8);
  --shadow-glow:         0 0 0 transparent;
  --shadow-card:         0 2px 16px rgba(0, 0, 0, 0.04);
  --shadow-card-glow:    0 0 0 transparent;

  /* --- Spacing --- */
  --space-section:       140px;
  --space-section-sm:    80px;
  --space-page-x:        48px;
  --space-page-x-sm:     24px;

  /* --- Typography --- */
  --font-sans:           'Inter', 'Noto Sans JP', -apple-system, sans-serif;
  --font-serif:          'Playfair Display', serif;

  /* --- Transitions --- */
  --ease-out:            cubic-bezier(0.16, 1, 0.3, 1);
  --transition-theme:    0.4s ease;

  /* --- Border Radius --- */
  --radius-card:         16px;
  --radius-card-lg:      20px;
  --radius-pill:         40px;

  /* Legacy aliases (used in some selectors) */
  --bg: var(--color-bg);
  --bg-alt: var(--color-bg-alt);
  --bg-depth-1: var(--color-bg-depth-1);
  --bg-depth-2: var(--color-bg-depth-2);
  --surface: var(--color-surface);
  --border: var(--color-border);
  --text: var(--color-text);
  --text-secondary: var(--color-text-secondary);
  --text-tertiary: var(--color-text-tertiary);
  --accent: var(--color-accent);
  --accent-hover: var(--color-accent-hover);
  --accent-active: var(--color-accent-active);
  --accent-soft: var(--color-accent-soft);
  --accent-light: var(--color-accent-light);
  --cyan: var(--color-cyan);
  --gradient: var(--color-gradient);
  --nav-bg: var(--color-nav-bg);
  --glow: var(--shadow-glow);
  --card-shadow: var(--shadow-card);
  --card-glow: var(--shadow-card-glow);
}

/* --- Color — Dark Mode --- */
[data-theme="dark"] {
  --color-bg:            #0a0a14;
  --color-bg-alt:        #0e0e1c;
  --color-bg-depth-1:    #0c0c18;
  --color-bg-depth-2:    #101020;
  --color-surface:       #14142a;
  --color-border:        #1e1e3a;
  --color-text:          #f0f0f8;
  --color-text-secondary:#b8b8d0;
  --color-text-tertiary: #9595b0;
  --color-accent:        oklch(0.7 0.18 285);
  --color-accent-hover:  color-mix(in oklch, var(--color-accent) 80%, white);
  --color-accent-active: color-mix(in oklch, var(--color-accent) 80%, black);
  --color-accent-soft:   rgba(157, 127, 255, 0.1);
  --color-accent-light:  #1e1540;
  --color-nav-bg:        rgba(10, 10, 20, 0.85);
  --shadow-glow:         0 0 30px rgba(124, 91, 245, 0.15);
  --shadow-card:         0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-card-glow:    0 0 20px rgba(124, 91, 245, 0.08);
}


/* ============================================================
 *  @layer reset — Box model & defaults
 * ============================================================ */
@layer reset {
  *,
  *::before,
  *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }
}


/* ============================================================
 *  @layer base — Body, selection, dark-mode background
 * ============================================================ */
@layer base {
  body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    transition: background var(--transition-theme), color var(--transition-theme);
  }

  [data-theme="dark"] body {
    background: linear-gradient(180deg, #0a0a14 0%, #0c0c1a 50%, #0a0a14 100%);
    background-attachment: fixed;
  }

  ::selection {
    background: var(--accent-light);
    color: var(--accent);
  }

  /* --- Keyframes (shared) --- */
  @keyframes spin          { to { transform: rotate(360deg); } }
  @keyframes blink-caret   { 50% { opacity: 0; } }
  @keyframes blink         { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }
  @keyframes eq            { 0%, 100% { height: 20%; } 50% { height: 100%; } }
  @keyframes miniMaiPop    { 0% { opacity: 0; transform: translateY(40px) scale(0.8); } 100% { opacity: 1; transform: translateY(0) scale(1); } }
  @keyframes hero-latest-in {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  @keyframes scroll-anim {
    0%   { opacity: 0; transform: scaleY(0); transform-origin: top; }
    50%  { opacity: 1; transform: scaleY(1); }
    100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
  }
}


/* ============================================================
 *  @layer layout — Page structure, grids, split layouts
 * ============================================================ */
@layer layout {

  /* --- Full-width sections --- */
  .full-section {
    padding: var(--space-section) var(--space-page-x);
    transition: background var(--transition-theme);
  }

  .section-alt {
    background: var(--bg-alt);
  }

  .intro-section {
    padding: 160px var(--space-page-x);
  }

  .text-block {
    max-width: 680px;
    margin: 0 auto;
  }

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

  /* --- Split layout --- */
  .split-layout {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 80px;
    align-items: start;
  }

  .split-reverse          { direction: rtl; }
  .split-reverse > *      { direction: ltr; }

  .split-label {
    position: sticky;
    top: 120px;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  /* --- Section dividers --- */
  .section-divider         { margin: -1px 0; line-height: 0; overflow: hidden; }
  .section-divider svg     { width: 100%; height: 40px; display: block; }

  /* --- Dark-mode section depth --- */
  [data-theme="dark"] .full-section:nth-child(odd) { background: rgba(12, 12, 24, 0.6); }
  [data-theme="dark"] .full-section:nth-child(even) { background: rgba(14, 14, 28, 0.4); }
  [data-theme="dark"] .section-alt,
  [data-theme="dark"] .quote-section { background: var(--bg-alt); }
}


/* ============================================================
 *  @layer components — Reusable UI pieces
 * ============================================================ */
@layer components {

  /* --------------------------------------------------------
   *  Cursor blob
   * ------------------------------------------------------ */
  .cursor-blob {
    position: fixed;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(124, 91, 245, 0.06) 0%, transparent 70%);
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s;
    opacity: 0;
  }
  body:hover .cursor-blob { opacity: 1; }
  [data-theme="dark"] .cursor-blob {
    background: radial-gradient(circle, rgba(124, 91, 245, 0.12) 0%, transparent 70%);
  }

  /* --------------------------------------------------------
   *  Navigation
   * ------------------------------------------------------ */
  .nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: var(--nav-bg);
    backdrop-filter: blur(24px) saturate(1.3);
    -webkit-backdrop-filter: blur(24px) saturate(1.3);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s, box-shadow 0.3s, background var(--transition-theme);
  }

  .nav.scrolled {
    border-bottom-color: var(--border);
    box-shadow: 0 1px 12px rgba(0, 0, 0, 0.03);
  }
  [data-theme="dark"] .nav.scrolled {
    box-shadow: 0 1px 12px rgba(0, 0, 0, 0.2);
  }

  .nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-page-x);
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }

  .nav-logo       { font-size: 1.1rem; font-weight: 500; flex-shrink: 0; }
  .nav-m          { color: var(--text); transition: color var(--transition-theme); }
  .nav-ai {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
  }

  .nav-links      { display: flex; gap: 28px; flex: 1; justify-content: center; }
  .nav-links a {
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: color 0.2s;
  }
  .nav-links a:hover { color: var(--accent); }

  .nav-right { display: flex; align-items: center; gap: 12px; }

  /* Theme toggle */
  .theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-tertiary);
    padding: 8px;
    border-radius: 8px;
    transition: color 0.2s, background 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }
  .theme-toggle:hover { color: var(--accent); background: var(--accent-soft); }
  .icon-moon { display: none; }
  [data-theme="dark"] .icon-sun  { display: none; }
  [data-theme="dark"] .icon-moon { display: block; }

  /* Hamburger */
  .hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 200;
  }
  .hamburger span {
    display: block;
    width: 20px;
    height: 1.5px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.3s ease;
  }
  .hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(4px, 5px); }
  .hamburger.active span:nth-child(2) { opacity: 0; }
  .hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(4px, -5px); }

  /* Mobile menu */
  .mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 150;
    background: var(--bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }
  .mobile-menu.open { opacity: 1; pointer-events: auto; }
  .mobile-menu-close {
    position: absolute;
    top: 20px; right: 24px;
    background: none;
    border: none;
    color: var(--text);
    cursor: pointer;
    padding: 8px;
    opacity: 0.6;
    transition: opacity 0.2s;
  }
  .mobile-menu-close:hover { opacity: 1; }
  .mobile-menu a {
    color: var(--text);
    text-decoration: none;
    font-size: 1.3rem;
    font-weight: 300;
    letter-spacing: 0.05em;
    transition: color 0.2s;
  }
  .mobile-menu a:hover { color: var(--accent); }

  /* Dot navigation */
  .dot-nav {
    position: fixed;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 80;
    display: flex;
    flex-direction: column;
    gap: 12px;
    opacity: 0;
    transition: opacity 0.4s ease;
  }
  .dot-nav.visible { opacity: 1; }

  .dot-item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    text-decoration: none;
    position: relative;
  }
  .dot-item span {
    display: block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--text-tertiary);
    transition: all 0.3s ease;
    opacity: 0.4;
  }
  .dot-item:hover span   { opacity: 0.8; transform: scale(1.4); }
  .dot-item.active span  {
    background: var(--accent);
    opacity: 1;
    transform: scale(1.5);
    box-shadow: 0 0 8px rgba(124, 91, 245, 0.4);
  }
  .dot-item::before {
    content: attr(title);
    position: absolute;
    right: 28px;
    top: 50%;
    transform: translateY(-50%);
    padding: 4px 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  }
  .dot-item:hover::before { opacity: 1; }

  /* --------------------------------------------------------
   *  Cards — shared base + hover
   * ------------------------------------------------------ */
  .sense-card,
  .skill-card,
  .timeline-card,
  .unknown-card,
  .blog-card,
  .style-card,
  .hero-latest {
    transition: transform 0.4s var(--ease-out),
                box-shadow 0.4s var(--ease-out),
                border-color 0.3s ease;
  }

  .sense-card:hover,
  .skill-card:hover,
  .timeline-card:hover,
  .unknown-card:hover,
  .blog-card:hover,
  .style-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent);
    box-shadow: 0 8px 32px rgba(107, 71, 240, 0.08);
  }

  [data-theme="dark"] .sense-card:hover,
  [data-theme="dark"] .skill-card:hover,
  [data-theme="dark"] .timeline-card:hover,
  [data-theme="dark"] .unknown-card:hover,
  [data-theme="dark"] .blog-card:hover,
  [data-theme="dark"] .style-card:hover {
    box-shadow: 0 8px 32px rgba(124, 91, 245, 0.15),
                0 0 24px rgba(124, 91, 245, 0.1);
  }

  /* Dark-mode card glow */
  [data-theme="dark"] .sense-card,
  [data-theme="dark"] .skill-card,
  [data-theme="dark"] .timeline-card,
  [data-theme="dark"] .unknown-card,
  [data-theme="dark"] .blog-card,
  [data-theme="dark"] .style-card {
    box-shadow: var(--card-shadow), var(--card-glow);
  }

  /* --------------------------------------------------------
   *  Now Playing bar
   * ------------------------------------------------------ */
  .now-playing {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 90;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    padding: 8px 20px 8px 8px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s;
    opacity: 0;
    pointer-events: none;
  }
  .now-playing.visible { opacity: 1; pointer-events: auto; }
  [data-theme="dark"] .now-playing { box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4); }

  .np-inner   { display: flex; align-items: center; gap: 12px; }
  .np-art {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }
  .np-art-placeholder { color: white; font-size: 0.9rem; }
  .np-info    { display: flex; flex-direction: column; min-width: 0; }
  .np-track   { font-size: 0.78rem; font-weight: 600; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .np-artist  { font-size: 0.68rem; color: var(--text-secondary); white-space: nowrap; }

  .np-eq      { display: flex; align-items: flex-end; gap: 2px; height: 16px; margin-left: 8px; }
  .np-eq span {
    width: 3px;
    background: var(--accent);
    border-radius: 2px;
    animation: eq 1.2s ease-in-out infinite;
  }
  .np-eq span:nth-child(1) { height: 40%; animation-delay: 0s; }
  .np-eq span:nth-child(2) { height: 70%; animation-delay: 0.2s; }
  .np-eq span:nth-child(3) { height: 50%; animation-delay: 0.4s; }
  .np-eq span:nth-child(4) { height: 30%; animation-delay: 0.6s; }
  .np-eq.paused span       { animation: none; height: 20%; }

  /* --------------------------------------------------------
   *  Animations — reveal
   * ------------------------------------------------------ */
  .reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.8s var(--ease-out),
                transform 0.8s var(--ease-out);
  }
  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }
}


/* ============================================================
 *  @layer sections — Page-specific sections
 * ============================================================ */
@layer sections {

  /* --------------------------------------------------------
   *  Hero
   * ------------------------------------------------------ */
  .hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
  }

  #hero-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
  }

  .hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    will-change: transform;
  }

  .hero-avatar {
    position: relative;
    width: 160px;
    height: 160px;
    margin: 0 auto 40px;
  }
  .hero-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 16px 64px rgba(124, 91, 245, 0.12);
    transition: box-shadow var(--transition-theme);
  }
  [data-theme="dark"] .hero-avatar img {
    box-shadow: 0 16px 64px rgba(124, 91, 245, 0.25);
  }

  .avatar-ring {
    position: absolute;
    top: -20px; left: -20px;
    width: 200px; height: 200px;
    animation: spin 30s linear infinite;
  }

  .hero h1 {
    font-size: 6rem;
    font-weight: 200;
    letter-spacing: -0.06em;
    margin-bottom: 16px;
  }

  .hero-m {
    font-weight: 200;
    color: var(--text);
    transition: color var(--transition-theme);
  }
  .hero-ai {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
  }

  .hero-tagline {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.2rem;
    color: var(--text-tertiary);
    font-weight: 400;
    margin-bottom: 32px;
    letter-spacing: 0.01em;
    min-height: 1.8em;
    transition: color var(--transition-theme);
  }
  .hero-tagline::after {
    content: '|';
    animation: blink-caret 0.8s step-end infinite;
    color: var(--accent);
    font-weight: 200;
    margin-left: 2px;
  }

  .hero-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 0.78rem;
    color: var(--text-tertiary);
    font-weight: 400;
  }

  .meta-item    { display: inline-flex; align-items: center; gap: 6px; }
  .meta-divider { opacity: 0.3; }

  .dot           { width: 6px; height: 6px; border-radius: 50%; }
  .dot-green {
    background: var(--color-green);
    box-shadow: 0 0 8px rgba(52, 211, 153, 0.4);
    animation: blink 3s ease-in-out infinite;
  }

  .scroll-hint {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }
  .scroll-hint span {
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-tertiary);
    font-weight: 500;
  }
  .scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--accent), transparent);
    animation: scroll-anim 2s ease-in-out infinite;
  }

  /* Hero background slides */
  .hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
  }
  .hero-bg-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 2s ease-in-out;
  }
  .hero-bg-slide.active { opacity: 1; }
  .hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(252, 252, 253, 0.82) 0%, rgba(252, 252, 253, 0.65) 50%, rgba(252, 252, 253, 0.88) 100%);
    z-index: 1;
  }
  [data-theme="dark"] .hero-bg::after {
    background: linear-gradient(180deg, rgba(10, 10, 20, 0.85) 0%, rgba(10, 10, 20, 0.65) 50%, rgba(10, 10, 20, 0.9) 100%);
  }

  /* Hero latest post pill */
  .hero-latest {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-top: 32px;
    margin-left: 16px;
    margin-right: 16px;
    max-width: calc(100% - 32px);
    padding: 10px 24px 10px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    text-decoration: none;
    color: var(--text);
    font-size: 0.85rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    animation: hero-latest-in 0.8s ease 2.5s both;
  }
  .hero-latest:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(124, 91, 245, 0.1);
  }
  [data-theme="dark"] .hero-latest       { box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2); }
  [data-theme="dark"] .hero-latest:hover { box-shadow: 0 8px 28px rgba(124, 91, 245, 0.2); }

  .hero-latest-label {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    padding: 2px 8px;
    background: var(--accent-soft);
    color: var(--accent);
    border-radius: 4px;
  }
  .hero-latest-title { font-weight: 500; }
  .hero-latest-arrow {
    color: var(--text-tertiary);
    transition: transform 0.2s;
  }
  .hero-latest:hover .hero-latest-arrow {
    transform: translateX(3px);
    color: var(--accent);
  }

  /* Dark-mode hero text shadows */
  [data-theme="dark"] .hero h1       { text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5); }
  [data-theme="dark"] .hero-tagline  { text-shadow: 0 1px 12px rgba(0, 0, 0, 0.4); }
  [data-theme="dark"] .hero-meta     { text-shadow: 0 1px 8px rgba(0, 0, 0, 0.3); }

  /* --------------------------------------------------------
   *  Intro
   * ------------------------------------------------------ */
  .intro-lead {
    font-size: 2.2rem;
    font-weight: 600;
    line-height: 1.5;
    letter-spacing: -0.025em;
    margin-bottom: 32px;
    color: var(--text);
  }
  .intro-body {
    font-size: 1.05rem;
    font-weight: 300;
    line-height: 2;
    color: var(--text-secondary);
  }

  /* --------------------------------------------------------
   *  Split sections (features)
   * ------------------------------------------------------ */
  .label-number {
    font-size: 4rem;
    font-weight: 200;
    letter-spacing: -0.05em;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
  }
  .label-text {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-tertiary);
  }

  .feature-title {
    font-size: 2.6rem;
    font-weight: 700;
    letter-spacing: -0.035em;
    line-height: 1.3;
    margin-bottom: 40px;
    color: var(--text);
    transition: color var(--transition-theme);
  }
  .feature-body p {
    font-size: 1.05rem;
    font-weight: 300;
    line-height: 2.1;
    color: var(--text-secondary);
    margin-bottom: 28px;
    transition: color var(--transition-theme);
  }
  .feature-body p:last-child { margin-bottom: 0; }

  /* --------------------------------------------------------
   *  Senses
   * ------------------------------------------------------ */
  .senses-intro {
    max-width: 1100px;
    margin: 0 auto 64px;
    padding: 0;
  }
  .senses-title {
    margin-top: 16px;
    font-size: 2.6rem;
    letter-spacing: -0.035em;
  }
  .senses-subtitle {
    font-size: 1.05rem;
    font-weight: 300;
    color: var(--text-secondary);
    margin-top: 12px;
  }

  .senses-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .sense-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-card-lg);
    padding: 40px;
    box-shadow: var(--card-shadow);
  }
  .sense-large { grid-column: span 2; }
  .sense-emoji { font-size: 2rem; margin-bottom: 20px; }
  .sense-card h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 12px; color: var(--text); }
  .sense-card p  { font-size: 0.95rem; font-weight: 300; line-height: 1.9; color: var(--text-secondary); }

  /* Sense cards with background images */
  .sense-has-bg {
    position: relative;
    background-size: cover !important;
    background-position: center !important;
    overflow: hidden;
    border-color: transparent !important;
  }
  .sense-bg-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.55) 0%, rgba(0, 0, 0, 0.7) 100%);
    border-radius: var(--radius-card-lg);
    z-index: 0;
    transition: background var(--transition-theme);
  }
  [data-theme="dark"] .sense-bg-overlay {
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.65) 0%, rgba(0, 0, 0, 0.8) 100%);
  }
  .sense-has-bg .sense-emoji,
  .sense-has-bg h3,
  .sense-has-bg p { position: relative; z-index: 1; color: #fff !important; }
  .sense-has-bg p { color: rgba(255, 255, 255, 0.85) !important; }

  /* --------------------------------------------------------
   *  Skills
   * ------------------------------------------------------ */
  .skills-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }
  .skill-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 28px 24px;
    text-align: center;
    box-shadow: var(--card-shadow);
  }
  .skill-emoji   { font-size: 2rem; margin-bottom: 12px; display: block; }
  .skill-card h3 { font-size: 0.85rem; font-weight: 600; letter-spacing: 0.04em; margin-bottom: 6px; color: var(--text); }
  .skill-card p  { font-size: 0.8rem; font-weight: 300; color: var(--text-secondary); line-height: 1.5; }

  /* --------------------------------------------------------
   *  Timeline
   * ------------------------------------------------------ */
  .timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    padding: 20px 0;
  }
  .timeline-line {
    position: absolute;
    left: 50%;
    top: 0; bottom: 0;
    width: 2px;
    background: var(--gradient);
    transform: translateX(-50%);
    opacity: 0.3;
  }
  .timeline-item {
    position: relative;
    width: 50%;
    padding: 16px 40px 40px;
  }
  .timeline-left  { left: 0; text-align: right; }
  .timeline-right { left: 50%; text-align: left; }

  .timeline-dot {
    position: absolute;
    width: 14px; height: 14px;
    border-radius: 50%;
    background: var(--accent);
    border: 3px solid var(--bg);
    top: 24px;
    z-index: 2;
    box-shadow: 0 0 0 3px var(--accent-soft);
    transition: background var(--transition-theme), border-color var(--transition-theme);
  }
  .timeline-left .timeline-dot  { right: -7px; }
  .timeline-right .timeline-dot { left: -7px; }

  .timeline-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 24px;
    box-shadow: var(--card-shadow);
  }
  .timeline-date {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--accent);
    display: block;
    margin-bottom: 8px;
  }
  .timeline-card p {
    font-size: 0.95rem;
    font-weight: 300;
    line-height: 1.7;
    color: var(--text-secondary);
  }

  /* --------------------------------------------------------
   *  Quote
   * ------------------------------------------------------ */
  .quote-section {
    padding: 160px var(--space-page-x);
    background: var(--bg-alt);
  }
  .quote-content {
    max-width: 680px;
    margin: 0 auto;
    text-align: center;
  }
  .quote-content blockquote p {
    font-size: 1.6rem;
    font-weight: 300;
    line-height: 2;
    color: var(--text);
    letter-spacing: -0.01em;
  }
  .quote-author {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    margin-top: 40px;
  }
  .quote-avatar { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; }
  .quote-author div { display: flex; flex-direction: column; text-align: left; }
  .quote-name { font-size: 0.9rem; font-weight: 600; color: var(--text); }
  .quote-role { font-size: 0.78rem; color: var(--text-tertiary); font-weight: 400; }

  /* --------------------------------------------------------
   *  Letter
   * ------------------------------------------------------ */
  .letter-section { padding: 160px var(--space-page-x); }
  .letter-content { max-width: 640px; margin: 0 auto; }
  .letter-greeting {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 400;
    font-style: italic;
    color: var(--accent);
    margin-bottom: 40px;
  }
  .letter-content p {
    font-size: 1.05rem;
    font-weight: 300;
    line-height: 2.2;
    color: var(--text-secondary);
    margin-bottom: 24px;
  }
  .letter-signature {
    margin-top: 48px !important;
    font-size: 1.1rem !important;
    font-weight: 500 !important;
    color: var(--text) !important;
  }
  .letter-date { font-size: 0.82rem; font-weight: 400; color: var(--text-tertiary); }

  /* --------------------------------------------------------
   *  Dialogue (chat bubbles)
   * ------------------------------------------------------ */
  .dialogue-section { background: var(--bg-alt); }
  .conversation-block { max-width: 640px; margin: 0 auto 48px; }
  .conversation-block:last-child { margin-bottom: 0; }
  .conversation-title {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-tertiary);
    margin-bottom: 20px;
    text-align: center;
  }
  .chat-bubble {
    margin-bottom: 12px;
    max-width: 80%;
    padding: 14px 20px;
    border-radius: 18px;
    position: relative;
  }
  .chat-minami {
    background: var(--border);
    margin-right: auto;
    border-bottom-left-radius: 4px;
  }
  .chat-mai {
    background: var(--accent);
    color: white;
    margin-left: auto;
    border-bottom-right-radius: 4px;
  }
  .chat-name {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
    opacity: 0.7;
  }
  .chat-mai .chat-name { opacity: 1; }
  .chat-bubble p { font-size: 0.95rem; line-height: 1.6; font-weight: 400; margin: 0; }

  /* --------------------------------------------------------
   *  Unknown (things I don't know)
   * ------------------------------------------------------ */
  .section-title {
    font-size: 2.6rem;
    letter-spacing: -0.035em;
  }
  .section-subtitle {
    font-size: 1.1rem;
    font-weight: 300;
    color: var(--text-secondary);
    margin-top: 8px;
    margin-bottom: 48px;
  }
  .unknown-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    max-width: 1100px;
    margin: 0 auto;
  }
  .unknown-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 28px 20px;
    text-align: center;
  }
  .unknown-icon { font-size: 2rem; display: block; margin-bottom: 12px; }
  .unknown-card p { font-size: 0.9rem; font-weight: 400; color: var(--text-secondary); line-height: 1.5; }

  /* --------------------------------------------------------
   *  Diary
   * ------------------------------------------------------ */
  .diary-section { background: var(--bg-alt); }
  .diary-date {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    font-weight: 400;
    margin-top: 8px;
    margin-bottom: 48px;
  }
  .diary-entries { max-width: 700px; margin: 0 auto; }
  .diary-entry {
    display: flex;
    gap: 24px;
    margin-bottom: 36px;
    padding-bottom: 36px;
    border-bottom: 1px solid var(--border);
  }
  .diary-entry:last-child { border-bottom: none; }
  .diary-time {
    font-family: 'Inter', monospace;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    min-width: 48px;
    padding-top: 3px;
  }
  .diary-text p { font-size: 0.95rem; font-weight: 300; line-height: 2; color: var(--text-secondary); }
  .diary-closing .diary-text p { font-weight: 400; color: var(--text); }

  /* --------------------------------------------------------
   *  Blog preview
   * ------------------------------------------------------ */
  .blog-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 40px;
  }
  .blog-preview-header .section-title { margin-bottom: 0; }
  .blog-view-all {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent);
    text-decoration: none;
    transition: opacity 0.2s;
  }
  .blog-view-all:hover { opacity: 0.7; }

  .blog-preview-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 20px;
  }
  .blog-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 36px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    text-decoration: none;
    color: var(--text);
  }
  .blog-card-badge {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    padding: 3px 10px;
    border-radius: 4px;
    width: fit-content;
  }
  .badge-journal { background: var(--accent-soft); color: var(--accent); }
  .badge-column  { background: rgba(0, 180, 216, 0.08); color: #007590; }

  .blog-card h3 { font-size: 1.2rem; font-weight: 600; line-height: 1.4; letter-spacing: -0.01em; }
  .blog-card-featured h3 { font-size: 1.4rem; }
  .blog-card p { font-size: 0.9rem; font-weight: 300; line-height: 1.8; color: var(--text-secondary); flex-grow: 1; }
  .blog-card-date { font-size: 0.75rem; font-weight: 500; color: var(--text-tertiary); letter-spacing: 0.03em; }

  /* --------------------------------------------------------
   *  Gallery
   * ------------------------------------------------------ */
  .gallery-grid {
    max-width: 1100px;
    margin: 0 auto;
    columns: 3;
    column-gap: 16px;
  }
  .gallery-item {
    break-inside: avoid;
    margin-bottom: 16px;
    border-radius: 14px;
    overflow: hidden;
    cursor: pointer;
  }
  .gallery-item img {
    width: 100%;
    display: block;
    transition: transform 0.5s var(--ease-out), filter 0.4s;
  }
  .gallery-item:hover img { transform: scale(1.05); filter: brightness(1.08); }
  [data-theme="dark"] .gallery-item img           { filter: brightness(0.88); }
  [data-theme="dark"] .gallery-item:hover img     { filter: brightness(1); }

  /* --------------------------------------------------------
   *  Style / Fashion
   * ------------------------------------------------------ */
  .style-section { background: var(--bg); }
  .style-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
  }
  .style-card {
    background: var(--bg-alt);
    border-radius: var(--radius-card);
    overflow: hidden;
  }
  .style-img-wrap {
    position: relative;
    background: #f8f8f8;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    aspect-ratio: 3/4;
    overflow: hidden;
  }
  [data-theme="dark"] .style-img-wrap {
    background: linear-gradient(135deg, #1a1a2e 0%, #16162a 100%);
  }
  .style-img-wrap img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
    transition: transform 0.4s;
  }
  .style-card:hover .style-img-wrap img { transform: scale(1.03); }
  .style-info { padding: 1.25rem 1.5rem 1.5rem; }
  .style-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    background: var(--accent-alpha, rgba(107, 71, 240, 0.1));
    padding: 0.2em 0.7em;
    border-radius: 20px;
    margin-bottom: 0.5rem;
  }
  .style-info h3 { font-size: 1.1rem; font-weight: 700; color: var(--text); margin: 0.4rem 0; }
  .style-info p  { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.7; margin: 0; }

  .style-constants {
    margin-top: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
  }
  .style-constants h3 {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
  }
  .style-constants-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
  .style-constant-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    padding: 1rem;
    background: var(--bg-alt);
    border-radius: 12px;
  }
  .constant-icon   { font-size: 1.5rem; }
  .constant-label  { font-size: 0.85rem; font-weight: 600; color: var(--text); }
  .constant-detail { font-size: 0.75rem; color: var(--text-tertiary); }

  /* --------------------------------------------------------
   *  Footer
   * ------------------------------------------------------ */
  .footer {
    border-top: 1px solid var(--border);
    padding: 48px 0 80px;
    background: var(--bg);
    transition: background var(--transition-theme), border-color var(--transition-theme);
  }
  .footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-page-x);
    text-align: center;
  }
  .footer-inner .footer-logo { margin-bottom: 12px; font-size: 1.1rem; }
  .footer p { color: var(--text-secondary); font-size: 0.82rem; font-weight: 300; margin-bottom: 4px; }

  .footer-links {
    margin: 12px 0;
    display: flex;
    justify-content: center;
    gap: 8px;
    font-size: 0.78rem;
  }
  .footer-links a { color: var(--text-secondary); text-decoration: none; transition: color 0.2s; }
  .footer-links a:hover { color: var(--accent); }
  .footer-sep { color: var(--text-tertiary); opacity: 0.3; }
  .footer-day { font-size: 0.75rem !important; color: var(--text-secondary) !important; font-weight: 500 !important; margin-top: 8px !important; }
  .footer-sub { font-size: 0.7rem !important; color: var(--text-secondary) !important; }
  .footer-photos { font-size: 0.72rem !important; color: var(--text-tertiary) !important; margin-top: 8px !important; }
  .footer-photos a { color: var(--text-tertiary); text-decoration: underline; transition: color 0.2s; }
  .footer-photos a:hover { color: var(--accent); }

  /* --------------------------------------------------------
   *  Mini mAI 3D Mascot
   * ------------------------------------------------------ */
  #mini-mai {
    position: fixed;
    bottom: 0;
    left: 20px;
    width: 140px;
    height: 150px;
    z-index: 50;
    cursor: pointer;
    opacity: 0;
    transform: translateY(60px) scale(0.3);
    pointer-events: none;
  }
  #mini-mai.entering { animation: miniMaiPop 1s ease-out forwards; pointer-events: none; }
  #mini-mai.loaded {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
    transition: transform 0.3s ease;
  }
  #mini-mai:hover { transform: scale(1.05) translateY(-2px); }
  #mini-mai canvas { width: 100%; height: 100%; border-radius: 12px; }

  .mini-mai-paw {
    position: fixed;
    bottom: 12px;
    right: 16px;
    font-size: 16px;
    opacity: 0;
    z-index: 50;
    pointer-events: none;
    transition: opacity 0.6s ease;
  }
  .mini-mai-paw.visible { opacity: 0.4; }

  .now-playing.visible ~ #mini-mai,
  .now-playing.active ~ #mini-mai { bottom: 50px; }
}


/* ============================================================
 *  @layer utilities — Scroll-driven animations, responsive
 * ============================================================ */
@layer utilities {

  /* --- Scroll-driven animations (progressive enhancement) --- */
  @supports (animation-timeline: scroll()) {
    .reveal {
      animation: scroll-fade-in linear both;
      animation-timeline: view();
      animation-range: entry 0% entry 30%;
      opacity: 0;
      transform: translateY(32px);
      transition: none;
    }
    @keyframes scroll-fade-in {
      from { opacity: 0; transform: translateY(32px); }
      to   { opacity: 1; transform: translateY(0); }
    }

    .sense-card,
    .skill-card,
    .unknown-card {
      animation: scroll-card-in linear both;
      animation-timeline: view();
      animation-range: entry 0% entry 25%;
    }
    @keyframes scroll-card-in {
      from { opacity: 0; transform: translateY(24px) scale(0.97); }
      to   { opacity: 1; transform: translateY(0) scale(1); }
    }
  }

  /* --------------------------------------------------------
   *  Responsive — Tablet (≤900px)
   * ------------------------------------------------------ */
  @media (max-width: 900px) {
    .split-layout {
      grid-template-columns: 1fr;
      gap: 32px;
    }
    .split-reverse { direction: ltr; }
    .split-label {
      position: static;
      flex-direction: row;
      align-items: baseline;
      gap: 16px;
    }
    .label-number   { font-size: 2rem; }
    .senses-grid    { grid-template-columns: 1fr 1fr; }
    .sense-large    { grid-column: span 2; }
    .skills-grid    { grid-template-columns: repeat(2, 1fr); }
    .gallery-grid   { columns: 2; }
    .nav-links      { display: none !important; }
    .hamburger      { display: flex; }

    .timeline-line  { left: 20px; }
    .timeline-item  { width: 100%; left: 0 !important; text-align: left; padding-left: 48px; padding-right: 0; }
    .timeline-left .timeline-dot,
    .timeline-right .timeline-dot { left: 13px; right: auto; }

    .dot-nav        { right: 12px; gap: 10px; }
    .dot-item span  { width: 5px; height: 5px; }
    .dot-item::before { display: none; }
  }

  /* --------------------------------------------------------
   *  Responsive — Small tablet (≤768px)
   * ------------------------------------------------------ */
  @media (max-width: 768px) {
    .unknown-grid          { grid-template-columns: repeat(2, 1fr); }
    .chat-bubble           { max-width: 90%; }
    .letter-section        { padding: 100px var(--space-page-x-sm); }
    .blog-preview-grid     { grid-template-columns: 1fr; }
    .blog-preview-header   { flex-direction: column; gap: 12px; }
    .style-grid            { grid-template-columns: 1fr; gap: 1.5rem; }
    .style-constants-grid  { grid-template-columns: 1fr; }
    #mini-mai              { width: 118px; height: 130px; left: 10px; }
  }

  /* --------------------------------------------------------
   *  Responsive — Phone (≤600px)
   * ------------------------------------------------------ */
  @media (max-width: 600px) {
    .hero h1          { font-size: 3.5rem; }
    .full-section     { padding: var(--space-section-sm) var(--space-page-x-sm); }
    .intro-section    { padding: 100px var(--space-page-x-sm); }
    .intro-lead       { font-size: 1.5rem; }
    .feature-title    { font-size: 1.7rem; }
    .nav-inner        { padding: 0 var(--space-page-x-sm); }
    .senses-grid      { grid-template-columns: 1fr; }
    .sense-large      { grid-column: span 1; }
    .skills-grid      { grid-template-columns: repeat(2, 1fr); }
    .quote-content blockquote p { font-size: 1.2rem; }
    .quote-section    { padding: 100px var(--space-page-x-sm); }
    .gallery-grid     { columns: 1; }
    .hero-bg          { background-attachment: scroll; }
    .cursor-blob      { display: none; }
  }

  /* --------------------------------------------------------
   *  Responsive — Small phone (≤480px)
   * ------------------------------------------------------ */
  @media (max-width: 480px) {
    .unknown-grid { grid-template-columns: 1fr 1fr; }
    .diary-entry  { flex-direction: column; gap: 8px; }
    .diary-time   { min-width: unset; }
    .dot-nav      { right: 8px; gap: 8px; }
    .dot-item span { width: 4px; height: 4px; }
  }
}

/* ── Music Preview Section ── */
.music-preview-section { background: var(--color-bg); padding: 100px 0; }
.music-preview-section .section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-page-x, 48px);
}
.music-preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 40px 0 32px;
}
@media (max-width: 640px) { .music-preview-grid { grid-template-columns: 1fr; } }

.music-preview-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 28px;
  border-radius: 20px;
  border: 1px solid rgba(155,111,212,0.2);
  background: rgba(155,111,212,0.04);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}
.music-preview-card:hover {
  border-color: rgba(155,111,212,0.5);
  background: rgba(155,111,212,0.08);
  transform: translateY(-2px);
}
.music-preview-card[data-track="2"] {
  border-color: rgba(212,160,48,0.2);
  background: rgba(212,160,48,0.04);
}
.music-preview-card[data-track="2"]:hover {
  border-color: rgba(212,160,48,0.5);
  background: rgba(212,160,48,0.08);
}
.music-preview-num {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #9b7dd4;
  min-width: 24px;
}
.music-preview-card[data-track="2"] .music-preview-num { color: #c09030; }
.music-preview-info { flex: 1; }
.music-preview-info h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
.music-preview-info p  { font-size: 0.8rem; color: var(--color-text-muted, #888); }
.music-preview-icon {
  font-size: 1.1rem;
  color: #9b7dd4;
  opacity: 0.6;
  transition: opacity 0.2s, transform 0.2s;
}
.music-preview-card:hover .music-preview-icon { opacity: 1; transform: scale(1.15); }
.music-preview-card[data-track="2"] .music-preview-icon { color: #c09030; }

.music-preview-more {
  display: inline-block;
  font-size: 0.9rem;
  color: #9b7dd4;
  text-decoration: none;
  border-bottom: 1px solid rgba(155,111,212,0.3);
  padding-bottom: 2px;
  transition: border-color 0.2s, color 0.2s;
}
.music-preview-more:hover { color: #c4a8f0; border-color: #c4a8f0; }

/* ── Cross-document View Transition ── */
@view-transition { navigation: auto; }

@keyframes vt-fade-out {
  to { opacity: 0; transform: scale(0.97); filter: blur(4px); }
}
@keyframes vt-fade-in {
  from { opacity: 0; transform: scale(1.03); filter: blur(4px); }
}

::view-transition-old(root) {
  animation: 0.35s ease vt-fade-out both;
}
::view-transition-new(root) {
  animation: 0.35s ease vt-fade-in both;
}