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

  /* フォントwght:500 → 400/700 で代替（読み込みウェイト削減） */
  :root {
    --bg:      #ffffff;
    --bg2:     #fbf6f8;
    --bg3:     #ffffff;
    --accent:  #e97ba6;
    --accent2: #c95e88;
    --dim:     rgba(233,123,166,0.2);
    --grid:    rgba(233,123,166,0.04);
    --text:    #33313a;
    --muted:   #6e6a75;
  }

  html { scroll-behavior: smooth; }

  body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 300;
    line-height: 1.8;
    overflow-x: hidden;
  }

  body::before {
    content: '';
    position: fixed; inset: 0;
    background-image:
      linear-gradient(var(--grid) 1px, transparent 1px),
      linear-gradient(90deg, var(--grid) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none; z-index: 0;
    /* will-changeなし・contain:strictでGPUレイヤーを抑制 */
    contain: strict;
  }

  /* NAV */
  nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 clamp(1.5rem, 5vw, 4rem); height: 68px;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--dim);
  }
  .nav-logo {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.4rem; font-weight: 700;
    letter-spacing: 0.08em; color: #16283a; text-decoration: none;
  }
  .nav-logo span { color: var(--accent); }
  .nav-links { display: flex; gap: 2.5rem; list-style: none; }
  .nav-links a {
    font-size: 0.82rem; letter-spacing: 0.12em; color: var(--muted);
    text-decoration: none; text-transform: uppercase;
    font-family: 'Rajdhani', sans-serif; font-weight: 400;
    transition: color 0.2s;
  }
  .nav-links a:hover { color: var(--accent); }
  .nav-cta {
    padding: 0.45rem 1.2rem;
    border: 1px solid var(--accent); border-radius: 2px;
    color: var(--accent) !important;
    font-size: 0.78rem !important; letter-spacing: 0.15em !important;
    transition: background 0.2s, color 0.2s !important;
  }
  .nav-cta:hover { background: var(--accent) !important; color: var(--bg) !important; }

  /* HERO */
  #hero {
    position: relative; min-height: 100vh;
    display: flex; align-items: center;
    padding: 100px clamp(1.5rem, 8vw, 8rem) 5rem;
    overflow: hidden;
  }
  .hero-glow {
    position: absolute; width: 700px; height: 700px; border-radius: 50%;
    background: radial-gradient(circle, rgba(233,123,166,0.08) 0%, transparent 70%);
    top: -200px; right: -100px; pointer-events: none; z-index: 2;
  }
  .hero-glow2 {
    position: absolute; width: 400px; height: 400px; border-radius: 50%;
    background: radial-gradient(circle, rgba(233,123,166,0.04) 0%, transparent 70%);
    bottom: 0; left: -100px; pointer-events: none; z-index: 2;
  }
  .hero-inner { position: relative; z-index: 5; max-width: 760px; }
  .hero-label {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.72rem; letter-spacing: 0.2em; color: var(--accent);
    margin-bottom: 1.5rem;
    display: flex; align-items: center; gap: 0.75rem;
    opacity: 0; animation: fadeUp 0.6s 0.2s ease forwards;
  }
  .hero-label::before {
    content: ''; display: inline-block; width: 32px; height: 1px; background: var(--accent);
  }
  .hero-h1 {
    font-family: 'Rajdhani', sans-serif;
    font-size: clamp(2.6rem, 6.5vw, 5rem); font-weight: 700;
    line-height: 1.1; color: #16283a; margin-bottom: 1rem;
    opacity: 0; animation: fadeUp 0.7s 0.35s ease forwards;
  }
  .hero-h1 em { font-style: normal; color: var(--accent); }
  .hero-catch {
    font-size: clamp(0.9rem, 1.5vw, 1.05rem);
    font-weight: 400; color: #16283a; margin-bottom: 1rem;
    opacity: 0; animation: fadeUp 0.7s 0.45s ease forwards;
  }
  .hero-sub {
    font-size: 0.92rem; color: var(--muted); line-height: 1.95;
    max-width: 540px; margin-bottom: 2.5rem;
    opacity: 0; animation: fadeUp 0.7s 0.55s ease forwards;
  }
  .hero-btns {
    display: flex; gap: 1rem; flex-wrap: wrap;
    opacity: 0; animation: fadeUp 0.7s 0.7s ease forwards;
  }
  .btn-primary {
    display: inline-flex; align-items: center; gap: 0.6rem;
    padding: 0.9rem 2.2rem;
    background: var(--accent); color: var(--bg);
    font-family: 'Rajdhani', sans-serif; font-size: 0.9rem;
    font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
    text-decoration: none; border-radius: 2px;
    transition: transform 0.2s, box-shadow 0.2s;
  }
  .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(233,123,166,0.3); }
  .btn-secondary {
    display: inline-flex; align-items: center; gap: 0.6rem;
    padding: 0.9rem 2rem; border: 1px solid rgba(22,40,58,0.25);
    color: var(--text);
    font-family: 'Rajdhani', sans-serif; font-size: 0.88rem;
    font-weight: 400; letter-spacing: 0.12em; text-transform: uppercase;
    text-decoration: none; border-radius: 2px;
    transition: border-color 0.2s, color 0.2s;
  }
  .btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

  /* SECTION COMMONS */
  section { position: relative; z-index: 1; }
  .section-inner {
    max-width: 1100px; margin: 0 auto;
    padding: 6rem clamp(1.5rem, 5vw, 4rem);
  }
  .section-label {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.7rem; letter-spacing: 0.2em; color: var(--accent);
    margin-bottom: 0.6rem;
    display: flex; align-items: center; gap: 0.6rem;
  }
  .section-label::before {
    content: ''; display: inline-block; width: 20px; height: 1px; background: var(--accent);
  }
  .section-h2 {
    font-family: 'Rajdhani', sans-serif;
    font-size: clamp(1.9rem, 3.5vw, 2.8rem); font-weight: 700;
    color: #16283a; line-height: 1.2; margin-bottom: 0.75rem;
  }
  .section-desc {
    font-size: 0.92rem; color: var(--muted); max-width: 580px;
    line-height: 1.95; margin-bottom: 3.5rem;
  }
  .divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--dim), transparent);
    margin: 0 clamp(1.5rem, 5vw, 4rem);
  }

  /* PAIN POINTS */
  #pain { background: var(--bg2); }
  .pain-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px; background: var(--dim);
    border: 1px solid var(--dim); border-radius: 4px; overflow: hidden;
  }
  .pain-card {
    background: var(--bg3); padding: 1.75rem 1.5rem;
    display: flex; flex-direction: column; align-items: flex-start; gap: 0.75rem;
    transition: background 0.25s;
  }
  .pain-card:hover { background: #fdf4f8; }
  .pain-icon {
    font-size: 1.5rem; line-height: 1;
    width: 42px; height: 42px;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--dim); border-radius: 3px;
    color: var(--accent);
  }
  .pain-text { font-size: 0.85rem; color: var(--text); line-height: 1.7; font-weight: 400; }

  /* SERVICES */
  #services { background: var(--bg); }
  .services-grid {
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 1px; background: var(--dim);
    border: 1px solid var(--dim); border-radius: 4px; overflow: hidden;
  }
  .service-card {
    background: var(--bg3); padding: 2.5rem;
    transition: background 0.3s; position: relative; overflow: hidden;
  }
  .service-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: var(--accent); transform: scaleX(0); transform-origin: left;
    transition: transform 0.4s ease;
  }
  .service-card:hover { background: #fdf4f8; }
  .service-card:hover::before { transform: scaleX(1); }
  .svc-num {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.65rem; letter-spacing: 0.15em; color: var(--accent); opacity: 0.55;
    margin-bottom: 0.5rem;
  }
  .svc-h3 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.4rem; font-weight: 700; color: #16283a; margin-bottom: 0.5rem;
  }
  .svc-tags {
    display: flex; flex-wrap: wrap; gap: 0.35rem; margin-bottom: 1.25rem;
  }
  .svc-tag {
    font-size: 0.68rem; letter-spacing: 0.08em;
    padding: 0.2rem 0.55rem;
    border: 1px solid rgba(233,123,166,0.25); border-radius: 2px;
    color: var(--accent);
    font-family: 'Rajdhani', sans-serif; font-weight: 400;
  }
  .svc-list { list-style: none; }
  .svc-list li {
    font-size: 0.85rem; color: var(--muted); line-height: 1.8;
    padding: 0.3rem 0; border-bottom: 1px solid rgba(233,123,166,0.07);
    display: flex; gap: 0.6rem; align-items: flex-start;
  }
  .svc-list li:last-child { border-bottom: none; }
  .svc-list li::before {
    content: '→'; color: var(--accent);
    font-family: 'Share Tech Mono', monospace; font-size: 0.7rem;
    flex-shrink: 0; margin-top: 0.25rem;
  }

  /* TIME SYNC */
  #timesync { background: var(--bg2); }
  .ts-wrap {
    border: 1px solid var(--dim);
    border-radius: 4px; overflow: hidden;
    background: var(--bg3);
  }
  .ts-header {
    background: rgba(233,123,166,0.07);
    border-bottom: 1px solid var(--dim);
    padding: 1.5rem 2.5rem;
    display: flex; align-items: center; gap: 1.25rem;
  }
  .ts-logo-badge {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.5rem; font-weight: 700;
    letter-spacing: 0.08em; color: #16283a;
    background: rgba(233,123,166,0.12);
    border: 1px solid rgba(233,123,166,0.35);
    border-radius: 3px;
    padding: 0.3rem 1rem;
  }
  .ts-logo-badge span { color: var(--accent); }
  .ts-adopted {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.68rem; letter-spacing: 0.18em;
    color: var(--accent);
    background: rgba(233,123,166,0.08);
    border: 1px solid rgba(233,123,166,0.2);
    padding: 0.2rem 0.65rem; border-radius: 2px;
  }
  .ts-body {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 0;
  }
  .ts-left {
    padding: 2.5rem;
    border-right: 1px solid var(--dim);
  }
  .ts-right { padding: 2.5rem; }
  .ts-stat-row {
    display: flex; gap: 2.5rem; margin-bottom: 2rem;
  }
  .ts-stat-num {
    font-family: 'Rajdhani', sans-serif;
    font-size: 3rem; font-weight: 700;
    color: var(--accent); line-height: 1;
  }
  .ts-stat-unit {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1rem; font-weight: 400;
    color: var(--muted); margin-top: 0.2rem;
  }
  .ts-stat-note {
    font-size: 0.68rem; color: var(--muted);
    letter-spacing: 0.06em; margin-top: 0.15rem;
  }
  .ts-desc { font-size: 0.9rem; color: var(--muted); line-height: 1.9; margin-bottom: 1.5rem; }
  .ts-link {
    display: inline-flex; align-items: center; gap: 0.5rem;
    font-family: 'Rajdhani', sans-serif; font-size: 0.82rem;
    font-weight: 400; letter-spacing: 0.1em;
    color: var(--accent); text-decoration: none; text-transform: uppercase;
    transition: gap 0.2s;
  }
  .ts-link:hover { gap: 0.75rem; }
  .ts-logo-img {
    height: 56px; width: auto;
    opacity: 0.9;
    transition: opacity 0.2s;
  }
  .ts-link:hover .ts-logo-img { opacity: 1; }
  .ts-feature-list { list-style: none; }
  .ts-feature-list li {
    font-size: 0.88rem; color: var(--muted);
    padding: 0.75rem 0; line-height: 1.7;
    border-bottom: 1px solid var(--dim);
    display: flex; gap: 0.75rem; align-items: flex-start;
  }
  .ts-feature-list li:last-child { border-bottom: none; }
  .ts-feature-list li::before {
    content: '✓'; color: var(--accent);
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.72rem; flex-shrink: 0; margin-top: 0.2rem;
  }
  .ts-feature-list strong { color: var(--text); font-weight: 400; display: block; }
  @media (max-width: 768px) {
    .ts-body { grid-template-columns: 1fr; }
    .ts-left { border-right: none; border-bottom: 1px solid var(--dim); }
  }

  /* STRENGTHS */
  #strengths { background: var(--bg2); }
  .strengths-grid {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 1px; background: var(--dim);
    border: 1px solid var(--dim); border-radius: 4px; overflow: hidden;
  }
  .strength-card {
    background: var(--bg3); padding: 2rem 1.75rem;
    display: flex; flex-direction: column; gap: 1rem;
    transition: background 0.25s;
  }
  .strength-card:hover { background: #fdf4f8; }
  .str-num {
    font-family: 'Rajdhani', sans-serif;
    font-size: 2.8rem; font-weight: 700;
    color: var(--accent); opacity: 0.25; line-height: 1;
  }
  .str-h {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.05rem; font-weight: 700; color: #16283a; line-height: 1.3;
  }
  .str-p { font-size: 0.82rem; color: var(--muted); line-height: 1.85; }
  .str-badge {
    display: inline-block;
    font-size: 0.65rem; letter-spacing: 0.08em;
    padding: 0.2rem 0.6rem;
    background: rgba(233,123,166,0.1);
    border: 1px solid rgba(233,123,166,0.3);
    border-radius: 2px; color: var(--accent);
    font-family: 'Rajdhani', sans-serif; font-weight: 400;
    margin-top: auto; align-self: flex-start;
  }

  /* RECORDS */
  #records { background: var(--bg); }
  .records-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
  }
  .race-card {
    background: var(--bg3);
    border: 1px solid var(--dim);
    border-radius: 4px; overflow: hidden;
    transition: border-color 0.3s, transform 0.3s;
    display: flex; flex-direction: column;
  }
  .race-card:hover { border-color: var(--accent); transform: translateY(-3px); }
  .race-card-head {
    background: rgba(233,123,166,0.07);
    border-bottom: 1px solid var(--dim);
    padding: 1.25rem 1.5rem;
    display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem;
  }
  .race-edition {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.65rem; letter-spacing: 0.15em;
    color: var(--accent); line-height: 1;
  }
  .race-category {
    font-size: 0.65rem; letter-spacing: 0.08em;
    padding: 0.2rem 0.6rem;
    background: rgba(233,123,166,0.12);
    border: 1px solid rgba(233,123,166,0.3);
    border-radius: 2px; color: var(--accent);
    font-family: 'Rajdhani', sans-serif; font-weight: 400;
    white-space: nowrap; flex-shrink: 0;
  }
  .race-card-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; gap: 1rem; }
  .race-name {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.35rem; font-weight: 700; color: #16283a; line-height: 1.25;
  }
  .race-meta { display: flex; flex-direction: column; gap: 0.4rem; }
  .race-meta-row {
    display: flex; gap: 0.6rem; align-items: center;
    font-size: 0.8rem; color: var(--muted);
  }
  .race-meta-row svg { color: var(--accent); flex-shrink: 0; }
  .race-distances { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-top: 0.25rem; }
  .dist-badge {
    font-family: 'Rajdhani', sans-serif; font-weight: 700;
    font-size: 0.75rem; letter-spacing: 0.06em;
    padding: 0.25rem 0.65rem;
    border: 1px solid rgba(22,40,58,0.18);
    border-radius: 2px; color: var(--text);
  }
  .race-roles { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: auto; padding-top: 1rem; border-top: 1px solid var(--dim); }
  .role-tag {
    font-size: 0.66rem; letter-spacing: 0.07em;
    padding: 0.22rem 0.55rem;
    background: rgba(233,123,166,0.06);
    border: 1px solid rgba(233,123,166,0.2);
    border-radius: 2px; color: var(--accent);
    font-family: 'Rajdhani', sans-serif; font-weight: 400;
  }
  .race-card-foot {
    border-top: 1px solid var(--dim);
    padding: 0.9rem 1.5rem;
  }
  .race-link {
    display: inline-flex; align-items: center; gap: 0.45rem;
    font-family: 'Rajdhani', sans-serif; font-size: 0.8rem;
    font-weight: 400; letter-spacing: 0.1em; color: var(--accent);
    text-decoration: none; text-transform: uppercase;
    transition: gap 0.2s;
  }
  .race-link:hover { gap: 0.7rem; }
  .race-card-placeholder {
    background: transparent;
    border: 1px dashed rgba(233,123,166,0.2);
    border-radius: 4px;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    gap: 0.75rem; padding: 2.5rem;
    min-height: 240px;
    color: var(--muted);
  }
  .placeholder-icon {
    width: 44px; height: 44px;
    border: 1px dashed rgba(233,123,166,0.25);
    border-radius: 3px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; color: rgba(233,123,166,0.35);
  }
  .placeholder-text {
    font-family: 'Rajdhani', sans-serif;
    font-size: 0.85rem; letter-spacing: 0.1em;
    color: rgba(233,123,166,0.35); text-align: center;
  }

  /* TARGET */
  #target { background: var(--bg2); }
  .target-inner {
    border: 1px solid var(--dim); border-radius: 4px;
    padding: 3rem; background: var(--bg3);
    display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center;
  }
  .target-h {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.3rem; font-weight: 700; color: #16283a; margin-bottom: 1rem;
  }
  .target-list { list-style: none; }
  .target-list li {
    font-size: 0.88rem; color: var(--muted); padding: 0.4rem 0;
    display: flex; gap: 0.6rem; align-items: center;
  }
  .target-list li::before {
    content: '●'; color: var(--accent); font-size: 0.45rem; flex-shrink: 0;
  }
  .target-note {
    background: rgba(233,123,166,0.07);
    border: 1px solid rgba(233,123,166,0.2);
    border-radius: 3px; padding: 1.5rem;
    text-align: center;
  }
  .target-note-big {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.1rem; font-weight: 700; color: var(--accent); margin-bottom: 0.5rem;
  }
  .target-note-sub { font-size: 0.82rem; color: var(--muted); line-height: 1.7; }

  /* DOWNLOAD BANNER */
  #download { background: var(--bg2); }
  .dl-banner {
    border: 1px solid var(--dim);
    border-radius: 4px;
    background: var(--bg3);
    padding: 3rem 3.5rem;
    display: flex; align-items: center; justify-content: space-between; gap: 3rem;
    position: relative; overflow: hidden;
  }
  .dl-banner::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, var(--accent), transparent);
  }
  .dl-banner-left { flex: 1; }
  .dl-banner-label {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.68rem; letter-spacing: 0.2em; color: var(--accent);
    margin-bottom: 0.6rem;
    display: flex; align-items: center; gap: 0.5rem;
  }
  .dl-banner-label::before { content: ''; display: inline-block; width: 16px; height: 1px; background: var(--accent); }
  .dl-banner-h {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.5rem; font-weight: 700; color: #16283a;
    line-height: 1.25; margin-bottom: 0.75rem;
  }
  .dl-banner-p { font-size: 0.88rem; color: var(--muted); line-height: 1.85; }
  .dl-banner-right { flex-shrink: 0; }
  .btn-download {
    display: inline-flex; align-items: center; gap: 0.75rem;
    padding: 1rem 2.2rem;
    background: var(--accent); color: var(--bg);
    font-family: 'Rajdhani', sans-serif; font-size: 0.92rem;
    font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
    text-decoration: none; border-radius: 2px;
    transition: transform 0.2s, box-shadow 0.2s;
    white-space: nowrap;
  }
  .btn-download:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(233,123,166,0.3); }
  .dl-format {
    font-size: 0.68rem; letter-spacing: 0.12em;
    color: var(--muted); margin-top: 0.5rem; text-align: center;
    font-family: 'Share Tech Mono', monospace;
  }
  @media (max-width: 768px) {
    .dl-banner { flex-direction: column; padding: 2rem; gap: 1.5rem; }
    .dl-banner-right { width: 100%; }
    .btn-download { width: 100%; justify-content: center; }
  }

  /* CONTACT */
  #contact { background: var(--bg2); }
  .contact-grid {
    display: grid; grid-template-columns: 1fr 1.6fr;
    gap: 4rem; align-items: start;
  }
  .contact-info-block { margin-bottom: 2rem; }
  .ci-label {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.65rem; letter-spacing: 0.15em; color: var(--accent); margin-bottom: 0.35rem;
  }
  .ci-val {
    font-size: 1rem; color: var(--text);
    font-family: 'Rajdhani', sans-serif; font-weight: 400;
  }
  .ci-sub { font-size: 0.8rem; color: var(--muted); }
  .contact-form-wrap {
    background: var(--bg3); border: 1px solid var(--dim);
    border-radius: 4px; padding: 2.5rem;
  }
  .form-row { margin-bottom: 1.2rem; }
  .form-label {
    display: block; font-size: 0.72rem; letter-spacing: 0.1em;
    color: var(--muted); margin-bottom: 0.45rem;
    font-family: 'Rajdhani', sans-serif;
  }
  .form-input, .form-textarea, .form-select {
    width: 100%; background: #fcfafb;
    border: 1px solid rgba(233,123,166,0.18); border-radius: 2px;
    padding: 0.75rem 1rem; color: var(--text); font-size: 0.9rem;
    font-family: 'Noto Sans JP', sans-serif; transition: border-color 0.2s; outline: none;
  }
  .form-input:focus, .form-textarea:focus, .form-select:focus { border-color: var(--accent); }
  .form-textarea { height: 130px; resize: vertical; }
  .form-select { appearance: none; cursor: pointer; }
  .form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
  .btn-submit {
    width: 100%; padding: 1rem; background: transparent;
    border: 1px solid var(--accent); color: var(--accent);
    font-family: 'Rajdhani', sans-serif; font-size: 0.9rem;
    font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase;
    border-radius: 2px; cursor: pointer; margin-top: 0.5rem;
    transition: background 0.2s, color 0.2s;
  }
  .btn-submit:hover { background: var(--accent); color: var(--bg); }
  .form-note { font-size: 0.72rem; color: var(--muted); text-align: center; margin-top: 0.75rem; line-height: 1.6; }

  /* FLOW */
  #flow { background: var(--bg); }
  .flow-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px; background: var(--dim);
    border: 1px solid var(--dim); border-radius: 4px; overflow: hidden;
  }
  .flow-step {
    background: var(--bg3); padding: 2rem 1.75rem;
    display: flex; flex-direction: column; gap: 1rem;
    position: relative; overflow: hidden;
    transition: background 0.25s;
  }
  .flow-step:hover { background: #fdf4f8; }
  .flow-step:not(:last-child)::after {
    content: '→';
    position: absolute; top: 50%; right: -12px;
    transform: translateY(-50%);
    font-family: 'Share Tech Mono', monospace;
    font-size: 1rem; color: var(--accent); opacity: 0.5;
    z-index: 2;
  }
  .flow-num {
    font-family: 'Rajdhani', sans-serif;
    font-size: 2.6rem; font-weight: 700;
    color: var(--accent); opacity: 0.2; line-height: 1;
  }
  .flow-icon {
    font-size: 1.4rem; line-height: 1;
    width: 44px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--dim); border-radius: 3px;
    color: var(--accent); margin-bottom: 0.25rem;
  }
  .flow-h {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.1rem; font-weight: 700; color: #16283a; line-height: 1.3;
  }
  .flow-p { font-size: 0.82rem; color: var(--muted); line-height: 1.85; }
  .flow-note {
    font-size: 0.7rem; letter-spacing: 0.08em;
    padding: 0.2rem 0.6rem;
    background: rgba(233,123,166,0.1);
    border: 1px solid rgba(233,123,166,0.3);
    border-radius: 2px; color: var(--accent);
    font-family: 'Rajdhani', sans-serif; font-weight: 400;
    margin-top: auto; align-self: flex-start;
  }
  @media (max-width: 768px) {
    .flow-steps { grid-template-columns: 1fr 1fr; }
    .flow-step::after { display: none; }
  }

  /* FAQ */
  #faq { background: var(--bg2); }
  .faq-list { max-width: 860px; }
  .faq-item {
    border: 1px solid var(--dim); border-radius: 3px;
    margin-bottom: 0.6rem; overflow: hidden;
    background: var(--bg3);
    transition: border-color 0.2s;
  }
  .faq-item[open] { border-color: rgba(233,123,166,0.45); }
  .faq-q {
    list-style: none; cursor: pointer;
    padding: 1.25rem 1.5rem;
    font-size: 0.92rem; font-weight: 400; color: var(--text);
    display: flex; justify-content: space-between; align-items: center;
    gap: 1rem; user-select: none;
    transition: color 0.2s;
  }
  .faq-q::-webkit-details-marker { display: none; }
  .faq-q::after {
    content: '+';
    font-family: 'Share Tech Mono', monospace;
    font-size: 1.1rem; color: var(--accent);
    flex-shrink: 0; transition: transform 0.3s;
  }
  .faq-item[open] .faq-q { color: #16283a; }
  .faq-item[open] .faq-q::after { transform: rotate(45deg); }
  .faq-a {
    padding: 0 1.5rem 1.25rem;
    font-size: 0.875rem; color: var(--muted);
    line-height: 1.9; border-top: 1px solid var(--dim);
    padding-top: 1rem; margin-top: 0;
  }

  /* FOOTER */
  footer {
    position: relative; z-index: 1; background: var(--bg);
    border-top: 1px solid var(--dim);
    padding: 2.5rem clamp(1.5rem, 5vw, 4rem);
  }
  .footer-inner {
    max-width: 1100px; margin: 0 auto;
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 1.5rem;
  }
  .footer-logo {
    font-family: 'Rajdhani', sans-serif; font-size: 1.1rem;
    font-weight: 700; color: #16283a; letter-spacing: 0.06em;
  }
  .footer-logo span { color: var(--accent); }
  .footer-copy { font-size: 0.72rem; color: var(--muted); letter-spacing: 0.08em; margin-top: 0.25rem; }
  .footer-links { display: flex; gap: 2rem; list-style: none; }
  .footer-links a {
    font-size: 0.75rem; letter-spacing: 0.1em; color: var(--muted);
    text-decoration: none; font-family: 'Rajdhani', sans-serif; transition: color 0.2s;
  }
  .footer-links a:hover { color: var(--accent); }

  /* SLIDESHOW */
  .hero-slides {
    position: absolute; inset: 0; z-index: 0; overflow: hidden;
  }
  .hero-slide {
    position: absolute; inset: 0;
    background-size: cover; background-position: center;
    opacity: 0; transition: opacity 1.4s ease-in-out;
    filter: saturate(1.08) brightness(1.02);
    will-change: opacity;        /* GPU合成レイヤーに昇格 */
    transform: translateZ(0);    /* ハードウェアアクセラレーション */
  }
  .hero-slide.active { opacity: 1; }
  .hero-color-tint {
    position: absolute; inset: 0; z-index: 1; pointer-events: none;
    background: rgba(233,123,166,0.06);
  }
  .hero-overlay {
    position: absolute; inset: 0; z-index: 2;
    background:
      linear-gradient(to right, rgba(255,255,255,0.94) 38%, rgba(255,255,255,0.35) 100%),
      linear-gradient(to top, rgba(255,255,255,0.8) 0%, transparent 45%);
  }
  .slide-nav {
    position: absolute; bottom: 2.2rem; left: 50%; transform: translateX(-50%);
    z-index: 10; display: flex; gap: 0.55rem; align-items: center;
  }
  .slide-dot {
    width: 24px; height: 3px; border-radius: 2px;
    background: rgba(22,40,58,0.22);
    cursor: pointer; transition: background 0.3s, width 0.3s;
    border: none; padding: 0;
  }
  .slide-dot.active { background: var(--accent); width: 40px; }
  .slide-arrows {
    position: absolute; top: 50%; transform: translateY(-50%);
    z-index: 10; width: 100%;
    display: flex; justify-content: space-between;
    padding: 0 1.5rem; pointer-events: none;
  }
  .slide-arrow {
    width: 44px; height: 44px;
    border: 1px solid rgba(22,40,58,0.2);
    border-radius: 2px; background: rgba(255,255,255,0.65);
    color: #16283a; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: border-color 0.2s, background 0.2s;
    pointer-events: all;
  }
  .slide-arrow:hover { border-color: var(--accent); background: rgba(233,123,166,0.15); }
  .slide-caption {
    position: absolute; bottom: 5rem; right: clamp(1.5rem, 5vw, 4rem);
    z-index: 10;
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.62rem; letter-spacing: 0.15em; color: rgba(22,40,58,0.5);
    text-align: right; line-height: 1.6;
    transition: opacity 0.5s;
  }

  /* ANIMATIONS */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
  .reveal.visible { opacity: 1; transform: none; }

  /* HAMBURGER */
  .nav-hamburger {
    display: none;
    flex-direction: column; justify-content: center; align-items: center;
    gap: 5px;
    width: 40px; height: 40px;
    background: none; border: none; cursor: pointer;
    padding: 6px;
  }
  .nav-hamburger span {
    display: block; width: 22px; height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s, width 0.3s;
  }
  .nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-hamburger.open span:nth-child(2) { opacity: 0; width: 0; }
  .nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  /* MOBILE NAV DRAWER */
  .nav-drawer {
    display: none;
    position: fixed; top: 68px; left: 0; right: 0; z-index: 99;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--dim);
    padding: 1.5rem 2rem 2rem;
    flex-direction: column; gap: 0;
  }
  .nav-drawer.open { display: flex; }
  .nav-drawer a {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1rem; font-weight: 400; letter-spacing: 0.12em;
    color: var(--muted); text-decoration: none; text-transform: uppercase;
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--dim);
    transition: color 0.2s;
    display: block;
  }
  .nav-drawer a:hover, .nav-drawer a:focus { color: var(--accent); }
  .nav-drawer .drawer-cta {
    margin-top: 1.25rem;
    padding: 0.85rem 1.5rem;
    border: 1px solid var(--accent); border-radius: 2px;
    color: var(--accent); text-align: center;
  }
  .nav-drawer .drawer-cta:hover { background: var(--accent); color: var(--bg); }

  /* MOBILE */
  @media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-hamburger { display: flex; }
    .pain-grid { grid-template-columns: 1fr 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .strengths-grid { grid-template-columns: 1fr 1fr; }
    .target-inner { grid-template-columns: 1fr; gap: 2rem; }
    .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
    .form-row-2 { grid-template-columns: 1fr; }
    .footer-inner { flex-direction: column; align-items: flex-start; }

    /* ─── モバイルパフォーマンス最適化 ─── */
    /* ① グリッド背景パターンを非表示（全画面の固定再描画を排除） */
    body::before { display: none; }

    /* ② ナビのbackdrop-filterを無効化（モバイルGPUの重大負荷） */
    nav { backdrop-filter: none; background: rgba(255,255,255,0.98); }
    .nav-drawer { backdrop-filter: none; }

    /* ③ スライドのフィルターを無効化（レンダリング負荷削減） */
    .hero-slide {
      filter: none;
      will-change: auto;
      transform: none;
    }
  }

/* ===== SUBPAGE (競技別ページ) ===== */
.breadcrumb{font-family:'Share Tech Mono',monospace;font-size:0.68rem;letter-spacing:0.1em;color:var(--muted);margin-bottom:1.5rem;display:flex;gap:0.5rem;flex-wrap:wrap;align-items:center;}
.breadcrumb a{color:var(--muted);text-decoration:none;}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb span{opacity:0.5;}
.subhero{position:relative;padding:130px clamp(1.5rem,8vw,8rem) 4rem;overflow:hidden;background:var(--bg2);border-bottom:1px solid var(--dim);}
.subhero-bg{position:absolute;inset:0;z-index:0;background-size:cover;background-position:center 30%;opacity:0.16;}
.subhero-inner{position:relative;z-index:2;max-width:820px;}
.subhero .hero-h1{margin-bottom:1rem;opacity:1;animation:none;}
.subhero .hero-label{opacity:1;animation:none;}
.lead{font-size:1rem;color:var(--muted);line-height:1.95;max-width:660px;margin-bottom:2rem;}
.prose{max-width:780px;}
.prose h3{font-family:'Rajdhani',sans-serif;font-size:1.35rem;font-weight:700;color:#16283a;margin:2.4rem 0 0.8rem;line-height:1.35;}
.prose h3:first-child{margin-top:0;}
.prose p{font-size:0.92rem;color:var(--muted);line-height:2.05;margin-bottom:1rem;}
.prose strong{color:var(--text);font-weight:700;}
.prose ul{list-style:none;margin:0.5rem 0 1.25rem;}
.prose ul li{font-size:0.9rem;color:var(--muted);line-height:1.9;padding:0.15rem 0;display:flex;gap:0.6rem;align-items:flex-start;}
.prose ul li::before{content:'\2713';color:var(--accent);font-size:0.8rem;flex-shrink:0;margin-top:0.25rem;}
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;}
.related-card{display:block;background:var(--bg3);border:1px solid var(--dim);border-radius:4px;padding:1.5rem;text-decoration:none;transition:border-color 0.2s,transform 0.2s;}
.related-card:hover{border-color:var(--accent);transform:translateY(-2px);}
.related-card .rc-label{font-family:'Share Tech Mono',monospace;font-size:0.62rem;letter-spacing:0.12em;color:var(--accent);margin-bottom:0.4rem;}
.related-card .rc-h{font-family:'Rajdhani',sans-serif;font-size:1.15rem;font-weight:700;color:#16283a;line-height:1.3;}
.related-card .rc-p{font-size:0.8rem;color:var(--muted);margin-top:0.4rem;line-height:1.7;}
@media(max-width:768px){.related-grid{grid-template-columns:1fr;}}
#disciplines .related-grid{grid-template-columns:repeat(3,1fr);}
@media(max-width:768px){#disciplines .related-grid{grid-template-columns:1fr;}}