:root {
      --primary: #0a2e1a;
      --primary-mid: #1b5b37;
      --primary-light: #2c8c54;
      --accent: #d4af37;
      --bg-main: #fcfcfb;
      --bg-sec: #f4f5f2;
      --surface: #ffffff;
      --text-main: #1c211e;
      --text-muted: #6b756d;
      --border: rgba(10, 46, 26, 0.08);
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --radius-pill: 100px;
      --nav-height: 80px;
      --shadow-sm: 0 4px 12px rgba(10, 46, 26, 0.04);
      --shadow-md: 0 12px 32px rgba(10, 46, 26, 0.08);
      --shadow-lg: 0 24px 48px rgba(10, 46, 26, 0.12);
      --shadow-glow: 0 0 40px rgba(44, 140, 84, 0.2);
      --transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    }

    * { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; font-size: 16px; }
    body {
      font-family: 'Noto Sans JP', sans-serif;
      background: var(--bg-main);
      color: var(--text-main);
      overflow-x: hidden;
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }
    .en { font-family: 'Outfit', sans-serif; }

    .container { max-width: 1240px; margin: 0 auto; padding: 0 2rem; }
    .section-pad { padding: 8rem 0; position: relative; }
    .text-gradient { background: linear-gradient(135deg, var(--primary), var(--primary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
    .section-label { font-family: 'Outfit', sans-serif; font-weight: 500; font-size: 0.8rem; letter-spacing: 0.4em; text-transform: uppercase; color: var(--primary-light); margin-bottom: 1rem; display: inline-block; }
    .section-title { font-size: clamp(2rem, 4vw, 2rem); font-weight: 300; line-height: 1.4; color: var(--primary); margin-bottom: 4rem; }

    /* ── NAV ── */
    #navbar {
      position: fixed; top: 1.5rem; left: 50%; transform: translateX(-50%);
      z-index: 100; width: calc(100% - 3rem); max-width: 1200px;
      height: var(--nav-height);
      display: flex; align-items: center; justify-content: space-between;
      padding: 0 2rem;
      background: rgba(255, 255, 255, 0.82);
      backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
      border: 1px solid rgba(10, 46, 26, 0.06);
      border-radius: var(--radius-pill);
      box-shadow: var(--shadow-sm);
      transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    }
    nav.scrolled { background: rgba(255, 255, 255, 0.95); box-shadow: var(--shadow-md); }

    .nav-logo { display: flex; align-items: center; gap: 0.8rem; text-decoration: none; }
    .nav-logo img { width: auto; height: 32px; object-fit: contain; }
    .nav-logo-text { font-family: 'Outfit', sans-serif; font-weight: 800; font-size: 1.4rem; letter-spacing: 0.15em; color: var(--primary); }

    .nav-links { display: flex; gap: 2.5rem; list-style: none; }
    .nav-links a { font-size: 0.85rem; font-weight: 500; color: var(--text-muted); text-decoration: none; transition: var(--transition); letter-spacing: 0.08em; }
    .nav-links a:hover { color: var(--primary); }

    .nav-cta { background: var(--primary); color: var(--surface) !important; padding: 0.6rem 1.8rem; border-radius: var(--radius-pill); font-weight: 600 !important; transition: var(--transition); }
    .nav-cta:hover { background: var(--primary-mid); box-shadow: var(--shadow-glow); transform: translateY(-2px); }

    /* ========== SP HAMBURGER MENU ========== */
    .hbg-btn {
      display: none;
      align-items: center;
      justify-content: center;
      width: 44px; height: 44px;
      border: none; background: none;
      cursor: pointer;
      z-index: 9999;
      position: relative;
      -webkit-tap-highlight-color: transparent;
      flex-shrink: 0;
    }
    .hbg-icon {
      width: 28px; height: 28px;
      transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .leaf-line {
      transition: all 0.45s cubic-bezier(0.16, 1, 0.3, 1);
      transform-origin: center;
    }
    .hbg-btn.open .hbg-icon { transform: rotate(135deg); }
    .hbg-btn.open .leaf-line-1 { transform: translateY(6px) rotate(45deg); stroke: #2c8c54; }
    .hbg-btn.open .leaf-line-2 { transform: scaleX(0); opacity: 0; }
    .hbg-btn.open .leaf-line-3 { transform: translateY(-6px) rotate(-45deg); stroke: #2c8c54; }

    /* サークル展開オーバーレイ */
    .sp-circle-overlay {
      position: fixed;
      top: 0; left: 0; right: 0; bottom: 0;
      z-index: 200;
      pointer-events: none;
      overflow: hidden;
    }
    .sp-circle-ripple {
      position: absolute;
      /* ボタン中心 = nav top(1rem) + nav高さの半分(40px) = ~56px,
         right = nav右パディング(1.5rem=24px) + ボタン半径(22px) = 46px */
      top: 56px;
      right: 46px;
      width: 0; height: 0;
      border-radius: 50%;
      background: var(--primary);
      /* translate で自分の中心を起点に */
      transform: translate(50%, -50%);
      transition:
        width  0.7s cubic-bezier(0.77, 0, 0.18, 1),
        height 0.7s cubic-bezier(0.77, 0, 0.18, 1);
    }
    /* 展開時: 十分な大きさで画面全体を覆う */
    .sp-circle-overlay.open .sp-circle-ripple {
      width: 300vmax;
      height: 300vmax;
    }
    .sp-circle-overlay.open { pointer-events: all; }

    /* メニューコンテンツ */
    .sp-menu-content {
      position: fixed;
      inset: 0; z-index: 300;
      display: flex; flex-direction: column;
      align-items: center; justify-content: center;
      opacity: 0; pointer-events: none;
      transition: opacity 0.3s ease 0.1s;
    }
    .sp-menu-content.open { opacity: 1; pointer-events: all; }

    .sp-menu-nav { list-style: none; text-align: center; margin-bottom: 40px; }
    .sp-menu-nav li { overflow: hidden; }
    .sp-menu-nav a {
      font-family: 'Outfit', sans-serif;
      font-weight: 700;
      font-size: clamp(2rem, 9vw, 3rem);
      letter-spacing: 0.04em;
      color: var(--bg-main);
      text-decoration: none;
      display: flex; align-items: center; justify-content: center;
      gap: 0.4em;
      line-height: 1.2; padding: 0.18em 0;
      transform: translateY(110%);
      transition: transform 0.55s cubic-bezier(0.16, 1, 0.3, 1), color 0.3s;
    }
    .sp-link-num { font-size: 0.38em; opacity: 0.35; letter-spacing: 0.2em; font-weight: 300; }

    .sp-menu-nav a:hover { color: var(--accent); }
    .sp-menu-nav a:hover .sp-link-arrow { opacity: 0.7; transform: translateX(0); }

    .sp-menu-content.open .sp-menu-nav a { transform: translateY(0); }
    .sp-menu-content.open .sp-menu-nav li:nth-child(1) a { transition-delay: 0.18s; }
    .sp-menu-content.open .sp-menu-nav li:nth-child(2) a { transition-delay: 0.24s; }
    .sp-menu-content.open .sp-menu-nav li:nth-child(3) a { transition-delay: 0.30s; }
    .sp-menu-content.open .sp-menu-nav li:nth-child(4) a { transition-delay: 0.36s; }
    .sp-menu-content.open .sp-menu-nav li:nth-child(5) a { transition-delay: 0.42s; }

    .sp-menu-divider { width: 36px; height: 1px; background: rgba(255,255,255,.15); margin: 0 auto 28px; }

    .sp-menu-sub {
      display: flex; gap: 1.5rem;
      font-family: 'Outfit', sans-serif;
      font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase;
      color: rgba(255,255,255,.3);
      opacity: 0; transform: translateY(10px);
      transition: opacity 0.5s 0.5s, transform 0.5s 0.5s;
    }
    .sp-menu-content.open .sp-menu-sub { opacity: 1; transform: translateY(0); }

    .sp-menu-watermark {
      position: fixed;
      bottom: -4%; right: -3%;
      font-family: 'Outfit', sans-serif; font-weight: 900;
      font-size: clamp(4rem, 16vw, 10rem);
      letter-spacing: 0.06em;
      color: rgba(255,255,255,.03);
      z-index: 310; pointer-events: none;
      line-height: 1; white-space: nowrap;
      opacity: 0;
      transition: opacity 0.5s 0.4s;
    }
    .sp-menu-watermark.open { opacity: 1; }

    /* ── HERO ── */
    .hero { min-height: 100vh; display: flex; align-items: center; position: relative; overflow: hidden; background: var(--bg-main); }
    .hero-grid-bg { position: absolute; inset: 0; z-index: 0; background-size: 40px 40px; }
    .hero-blobs { position: absolute; inset: 0; z-index: 1; pointer-events: none; overflow: hidden; }
    .hero-blob { position: absolute; border-radius: 60% 40% 55% 45% / 50% 60% 40% 50%; animation: blobMorph 12s ease-in-out infinite alternate; }
    .hb-1 { width: 500px; height: 500px; background: linear-gradient(135deg, rgba(27,91,55,.12), rgba(44,140,84,.08)); top: -10%; right: -8%; animation-delay: 0s; }
    .hb-2 { width: 350px; height: 350px; background: linear-gradient(135deg, rgba(212,175,55,.1), rgba(27,91,55,.06)); bottom: -5%; left: -5%; animation-delay: -4s; border-radius: 40% 60% 45% 55% / 55% 40% 60% 45%; }
    .hb-3 { width: 200px; height: 200px; background: linear-gradient(135deg, rgba(44,140,84,.1), rgba(27,91,55,.06)); top: 40%; right: 35%; animation-delay: -8s; }
    .hb-4 { width: 150px; height: 150px; background: rgba(212,175,55,.08); top: 15%; left: 25%; animation-delay: -6s; border-radius: 50%; }

    .hero-watermark { position: absolute; z-index: 1; pointer-events: none; font-family: 'Outfit', sans-serif; font-weight: 900; text-transform: uppercase; color: rgba(10,46,26,.035); white-space: nowrap; }
    .wm-1 { font-size: 5vw; top: 8%; right: -3%; letter-spacing: .05em; }
    .wm-2 { font-size: 12vw; bottom: 5%; right: -5%; letter-spacing: .08em; }
    .wm-3 { font-size: 4vw; top: 50%; left: 50%; transform: translateX(-50%); letter-spacing: .15em; }

    .hero-inner { position: relative; z-index: 2; width: 100%; padding: 8rem 0 6rem; }
    .hero-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }

    .hero-eyebrow { font-family: 'Outfit', sans-serif; font-weight: 500; font-size: .85rem; letter-spacing: .35em; color: var(--primary-light); text-transform: uppercase; margin-bottom: 2rem; display: flex; align-items: center; gap: 1rem; opacity: 0; animation: fadeUp 1s .3s forwards; }
    .hero-eyebrow::before { content: ''; display: block; width: 32px; height: 1px; background: var(--primary-light); }

    .hero-main-title { font-size: clamp(3rem, 5.5vw, 4rem); font-weight: 900; line-height: 1.15; color: var(--primary); margin-bottom: 2.5rem; letter-spacing: -.03em; opacity: 0; animation: fadeUp 1s .5s forwards; }
    .hero-main-title em { font-style: normal; position: relative; display: inline; }
    .hero-main-title em::after { content: ''; position: absolute; bottom: 4px; left: 0; right: 0; height: 14px; background: rgba(212,175,55,.25); z-index: -1; border-radius: 3px; }

    .hero-sub { font-size: 1.1rem; font-weight: 400; line-height: 2; color: var(--text-muted); max-width: 480px; margin-bottom: 3rem; opacity: 0; animation: fadeUp 1s .7s forwards; }
    .hero-ctas { display: flex; gap: 1.2rem; flex-wrap: wrap; opacity: 0; animation: fadeUp 1s .9s forwards; }

    .btn-hero-fill { padding: 1.1rem 2.5rem; background: var(--primary); color: var(--surface); font-weight: 600; font-size: .9rem; letter-spacing: .1em; text-decoration: none; border-radius: var(--radius-pill); transition: var(--transition); border: 1px solid var(--primary); display: inline-flex; align-items: center; gap: .8rem; }
    .btn-hero-fill:hover { background: var(--primary-mid); transform: translateY(-3px); box-shadow: var(--shadow-lg); }
    .btn-hero-fill::after { content: '→'; font-family: 'Outfit'; font-weight: 300; font-size: 1.1rem; }

    .btn-hero-ghost { padding: 1.1rem 2.5rem; background: transparent; color: var(--primary); font-weight: 500; font-size: .9rem; letter-spacing: .1em; text-decoration: none; border-radius: var(--radius-pill); border: 1px solid rgba(10,46,26,.2); transition: var(--transition); }
    .btn-hero-ghost:hover { border-color: var(--primary); background: rgba(10,46,26,.03); transform: translateY(-3px); }

    .hero-visual-panel { position: relative; display: flex; align-items: center; justify-content: center; opacity: 0; animation: fadeUp 1.2s .6s forwards; }
    .hero-illustration { width: 100%; max-width: 520px; height: auto; animation: floatIllust 6s ease-in-out infinite; filter: drop-shadow(0 24px 48px rgba(10,46,26,.1)); }

    .hero-scroll { position: absolute; bottom: 2rem; left: 50%; right: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: .8rem; font-family: 'Outfit', sans-serif; font-weight: 500; font-size: .7rem; letter-spacing: .3em; color: var(--text-muted); opacity: 0; animation: fadeUp 1s 1.4s forwards; cursor: pointer; text-decoration: none; }
    .scroll-mouse { width: 24px; height: 36px; border: 2px solid rgba(10,46,26,.2); border-radius: 12px; position: relative; }
    .scroll-wheel { width: 4px; height: 8px; background: var(--primary-light); border-radius: 2px; position: absolute; top: 6px; left: 50%; transform: translateX(-50%); animation: scrollWheel 2s infinite ease-in-out; }

    .btn-primary { padding: 1.1rem 2.5rem; background: var(--primary); color: var(--surface); font-weight: 500; font-size: .9rem; letter-spacing: .1em; text-decoration: none; border-radius: var(--radius-pill); transition: var(--transition); border: 1px solid var(--primary); display: inline-flex; align-items: center; gap: .8rem; }
    .btn-primary:hover { background: transparent; color: var(--primary); transform: translateY(-3px); box-shadow: var(--shadow-md); }
    .btn-primary::after { content: '→'; font-family: 'Outfit'; font-weight: 300; font-size: 1.1rem; }

    /* ── PHILOSOPHY ── */
    .section-philosophy { background: var(--primary); color: var(--surface); border-radius: 40px; margin: 0 1rem; overflow: hidden; }
    .philosophy-inner { padding: 8rem 0; }
    .philosophy-header { text-align: center; margin-bottom: 5rem; }
    .philosophy-header .section-title { color: var(--surface); }
    .philosophy-header .section-label { color: var(--accent); }
    .mvv-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 2rem; }
    .mvv-card { background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.08); border-radius: var(--radius-lg); padding: 3rem 2.5rem; backdrop-filter: blur(10px); transition: var(--transition); }
    .mvv-card:hover { background: rgba(255,255,255,.06); transform: translateY(-8px); border-color: rgba(255,255,255,.15); }
    .mvv-badge { font-family: 'Outfit', sans-serif; font-weight: 600; font-size: .75rem; letter-spacing: .15em; text-transform: uppercase; color: var(--accent); margin-bottom: 1.5rem; display: inline-block; padding: .4rem 1rem; border: 1px solid rgba(212,175,55,.3); border-radius: var(--radius-pill); }
    .mvv-headline { font-size: 1.25rem; font-weight: 500; line-height: 1.6; color: var(--surface); margin-bottom: 1.5rem; }
    .mvv-body { font-size: .9rem; font-weight: 300; line-height: 1.9; color: rgba(255,255,255,.7); }

    /* ── VALUES ── */
    .section-values { background: var(--bg-main); overflow: hidden; }
    .values-header { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; margin-bottom: 4rem; align-items: end; }
    .values-desc { font-size: 1rem; font-weight: 300; line-height: 2; color: var(--text-muted); }
    .values-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.2rem; }
    .value-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 1.8rem 1.4rem; transition: var(--transition); position: relative; overflow: hidden; display: flex; flex-direction: column; }
    .value-item::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: var(--primary-light); transform: scaleX(0); transform-origin: left; transition: transform .4s ease; }
    .value-item:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); border-color: transparent; }
    .value-item:hover::before { transform: scaleX(1); }
    .value-letter { font-family: 'Outfit', sans-serif; font-weight: 800; font-size: 5.5rem; color: var(--primary); line-height: 1; margin-bottom: 1rem; opacity: .04; position: absolute; top: 10px; right: 15px; pointer-events: none; }
    .value-en { font-family: 'Outfit', sans-serif; font-weight: 600; font-size: .95rem; letter-spacing: .1em; color: var(--primary-light); display: block; margin-bottom: .4rem; text-transform: uppercase; }
    .value-ja { font-size: 1.05rem; font-weight: 700; color: var(--text-main); display: block; margin-bottom: 1rem; }
    .value-desc { font-size: .82rem; font-weight: 300; flex-grow: 1; line-height: 1.8; color: var(--text-muted); }
    .values-indicator { display: none; }

    /* ── SERVICES ── */
    .section-services { background: var(--bg-sec); }
    .services-header { text-align: center; margin-bottom: 4rem; }
    .services-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; }
    .service-card { background: var(--surface); border-radius: var(--radius-lg); padding: 4rem 3.5rem; box-shadow: var(--shadow-sm); transition: var(--transition); border: 1px solid rgba(255,255,255,.8); position: relative; overflow: hidden; }
    .service-card::after { content: ''; position: absolute; bottom: 0; right: 0; width: 120px; height: 120px; background: radial-gradient(circle, rgba(44,140,84,.05) 0%, transparent 70%); }
    .service-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-5px); }
    .service-num { font-family: 'Outfit', sans-serif; font-weight: 300; font-size: 4rem; color: var(--border); line-height: 1; margin-bottom: 1.5rem; }
    .service-title { font-size: 1.5rem; font-weight: 700; color: var(--primary); margin-bottom: 1rem; }
    .service-desc { color: var(--text-muted); font-size: .95rem; line-height: 1.8; margin-bottom: 2.5rem; font-weight: 300; }
    .service-items { list-style: none; display: flex; flex-wrap: wrap; gap: .8rem; }
    .service-items li { font-size: .8rem; font-weight: 500; padding: .5rem 1.2rem; background: var(--bg-sec); color: var(--primary); border-radius: var(--radius-pill); transition: var(--transition); cursor: default; }
    .service-items li:hover { background: var(--primary-light); color: var(--surface); }

    /* ── ABOUT ── */
    .section-about { background: var(--bg-main); }
    .about-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 6rem; align-items: start; }
    .greeting-block { position: relative; padding: 4rem; background: var(--surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
    .greeting-block::before { content: '"'; font-family: 'Outfit', sans-serif; font-size: 8rem; color: var(--border); font-weight: 800; position: absolute; top: -20px; left: 20px; line-height: 1; opacity: .5; }
    .greeting-title { font-size: 1.8rem; color: var(--primary); margin-bottom: 2rem; font-weight: 300; }
    .greeting-body { font-size: .95rem; line-height: 2.2; color: var(--text-muted); font-weight: 300; margin-bottom: 2rem; }
    .greeting-sig { font-family: 'Noto Sans JP'; font-weight: 500; color: var(--primary-mid); font-size: 1.1rem; }
    .company-table { width: 100%; border-collapse: collapse; }
    .company-table tr { border-bottom: 1px solid var(--border); }
    .company-table tr:first-child { border-top: 1px solid var(--border); }
    .company-table td { padding: 1.8rem 0; vertical-align: top; font-size: .95rem; font-weight: 300; line-height: 1.8; color: var(--text-main); }
    .company-table td:first-child { width: 140px; font-weight: 500; color: var(--primary); padding-right: 2rem; }
    .biz-group { margin-bottom: 1.2rem; }
    .biz-group:last-child { margin-bottom: 0; }
    .biz-group-title { display: block; font-size: .8rem; color: var(--text-muted); margin-bottom: .6rem; }
    .biz-tag { display: inline-block; font-size: .8rem; font-weight: 500; padding: .3rem 1rem; border: 1px solid var(--border); border-radius: var(--radius-pill); margin: 0 .4rem .4rem 0; color: var(--primary); }

    /* ── CONTACT ── */
    .section-contact { background: var(--primary); color: var(--surface); border-radius: 40px; margin: 0 1rem 1rem 1rem; padding: 8rem 0; text-align: center; position: relative; overflow: hidden; }
    .section-contact::after { content: ''; position: absolute; top: 0; left: 50%; width: 800px; height: 800px; background: radial-gradient(circle, rgba(212,175,55,.05) 0%, transparent 60%); transform: translateX(-50%); pointer-events: none; }
    .contact-inner { max-width: 680px; margin: 0 auto; position: relative; z-index: 2; }
    .contact-title { font-size: clamp(2rem,4vw,2rem); font-weight: 300; margin-bottom: 1rem; }
    .contact-sub { font-size: 1rem; color: rgba(255,255,255,.7); font-weight: 300; margin-bottom: 4rem; }
    .contact-form { background: var(--surface); border-radius: var(--radius-lg); padding: 4rem; text-align: left; box-shadow: var(--shadow-lg); }
    .form-group { margin-bottom: 2rem; position: relative; }
    .form-group label { font-size: .8rem; font-weight: 500; color: var(--primary-mid); display: block; margin-bottom: .8rem; }
    .form-group input, .form-group textarea { width: 100%; padding: 1rem 0; border: none; border-bottom: 1px solid rgba(10,46,26,.2); background: transparent; font-family: inherit; font-size: 1rem; color: var(--text-main); transition: var(--transition); outline: none; resize: vertical; }
    .form-group input:focus, .form-group textarea:focus { border-bottom-color: var(--primary-light); }
    .btn-submit { width: 100%; padding: 1.2rem; background: var(--primary); color: var(--surface); font-weight: 500; font-size: 1rem; letter-spacing: .1em; border: none; border-radius: var(--radius-pill); cursor: pointer; transition: var(--transition); margin-top: 1rem; display: flex; align-items: center; justify-content: center; gap: .5rem; }
    .btn-submit:hover { background: var(--primary-light); box-shadow: var(--shadow-glow); transform: translateY(-3px); }

    /* ── FOOTER ── */
    footer { padding: 3rem 0; text-align: center; background: var(--bg-main); }
    .footer-logo { font-family: 'Outfit', sans-serif; font-weight: 800; font-size: 1.5rem; color: var(--primary); letter-spacing: .2em; display: inline-block; margin-bottom: 1rem; }
    .footer-copy { font-family: 'Outfit', sans-serif; font-size: .8rem; color: var(--text-muted); }

    /* ── ANIMATIONS ── */
    @keyframes fadeUp { from { opacity:0; transform:translateY(40px); } to { opacity:1; transform:translateY(0); } }
    @keyframes scrollWheel { 0% { transform:translate(-50%,0); opacity:1; } 100% { transform:translate(-50%,15px); opacity:0; } }
    @keyframes blobMorph { 0% { border-radius:60% 40% 55% 45%/50% 60% 40% 50%; transform:scale(1) translate(0,0); } 33% { border-radius:40% 60% 45% 55%/55% 40% 60% 45%; transform:scale(1.05) translate(10px,-10px); } 66% { border-radius:55% 45% 60% 40%/45% 55% 50% 50%; transform:scale(.98) translate(-5px,5px); } 100% { border-radius:45% 55% 40% 60%/60% 45% 55% 40%; transform:scale(1.02) translate(5px,-5px); } }
    @keyframes floatIllust { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }
    .reveal { opacity:0; transform:translateY(40px); transition:all .8s cubic-bezier(.16,1,.3,1); }
    .reveal.visible { opacity:1; transform:translateY(0); }

    /* ── RESPONSIVE ── */
    @media (max-width: 900px) {
      nav { padding: 0 1.5rem; top: 1rem; width: calc(100% - 2rem); }
      .nav-links { display: none; }
      .nav-cta { display: none !important; } /* PCのContactボタンを非表示 */

      /* ハンバーガーボタンをSPで表示 */
      .hbg-btn { display: flex; }

      .hero-inner { padding: 7rem 0 5rem; }
      .hero-layout { grid-template-columns: 1fr; gap: 3rem; }
      .hero-eyebrow { justify-content: center; }
      .hero-eyebrow::before { display: none; }
      .hero-content { text-align: center; }
      .hero-sub { margin: 0 auto 2.5rem; }
      .hero-ctas { justify-content: center; }
      .hero-main-title { font-size: clamp(2.5rem,8vw,3.5rem); }
      .hero-visual-panel { order: 1; }
      .hero-illustration { max-width: 320px; }
      .hero-watermark { display: none; }

      .section-pad { padding: 5rem 0; }
      .section-philosophy { margin: 0 .5rem; }
      .philosophy-inner { padding: 5rem 0; }
      .mvv-grid { grid-template-columns: 1fr; }

      .values-header { grid-template-columns: 1fr; gap: 2rem; margin-bottom: 2rem; padding: 0 1.5rem; }
      .values-desc { padding: 0 .5rem; }
      .values-grid { display: flex; gap: 1.2rem; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; padding-bottom: 1.5rem; margin: 0; padding-left: 1.5rem; padding-right: 1.5rem; -webkit-overflow-scrolling: touch; }
      .values-grid::-webkit-scrollbar { display: none; }
      .value-item { width: clamp(240px,40vw,320px); flex: 0 0 auto; scroll-snap-align: center; }
      .values-indicator { display: flex; justify-content: center; gap: .5rem; margin-top: 1rem; }
      .dot { width: 8px; height: 8px; border-radius: 4px; background: rgba(10,46,26,.15); transition: all .3s ease; cursor: pointer; }
      .dot.active { width: 24px; background: var(--primary-light); }

      .services-grid { grid-template-columns: 1fr; }
      .service-card { padding: 2.5rem 2rem; }
      .about-grid { grid-template-columns: 1fr; gap: 4rem; }
      .greeting-block { padding: 3rem 2rem; }
      .company-table td { display: block; padding: 1rem 0; }
      .company-table td:first-child { width: 100%; padding-bottom: 0; padding-right: 0; border: none; font-weight: 700; color: var(--primary-light); }
      .company-table tr { border-bottom: 1px solid var(--border); }
      .section-contact { margin: 0 .5rem .5rem; padding: 5rem 0; border-radius: 20px; }
      .contact-form { padding: 2rem 1.5rem; }
    }

    /* 閉じるボタン */
    .sp-close-btn {
      position: fixed;
      top: calc(1rem + 18px); /* navのtop + センター */
      right: calc(1rem + 18px);
      width: 48px; height: 48px;
      border: none; background: rgba(255,255,255,0.08);
      border-radius: 50%;
      cursor: pointer;
      display: none; /* デフォルト非表示 */
      align-items: center; justify-content: center;
      z-index: 400;
      transition: background 0.3s, transform 0.3s;
      -webkit-tap-highlight-color: transparent;
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
    }
    .sp-close-btn:hover {
      background: rgba(255,255,255,0.15);
      transform: rotate(90deg);
    }
    .sp-close-btn.open {
      display: flex;
    }