:root {
      --gold: #C9A84C;
      --gold-light: #E8C96A;
      --gold-dark: #9A7A2E;
      --navy: #0D1B2A;
      --navy-mid: #1A2F45;
      --navy-light: #243B55;
      --white: #FFFFFF;
      --off-white: #F5F3EF;
      --light-gray: #E8E6E2;
      --text-dark: #1A1A1A;
      --text-mid: #4A4A4A;
      --text-light: #7A7A7A;
    }
    * { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body { font-family: 'Noto Sans JP', sans-serif; background: var(--white); color: var(--text-dark); overflow-x: hidden; }

    /* HEADER */
    header {
      position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
      background: #ffffff; border-bottom: 1px solid rgba(0,0,0,0.08);
    }
    .header-inner {
      max-width: 1200px; margin: 0 auto; padding: 0 40px;
      height: 100px; display: flex; align-items: center; justify-content: space-between;
    }
    .logo { display: flex; align-items: center; text-decoration: none; }
    .logo img { height: 70px; width: auto; }
    nav { display: flex; align-items: center; gap: 36px; }
    nav a { color: var(--text-mid); text-decoration: none; font-size: 15px; font-weight: 500; letter-spacing: 0.05em; transition: color 0.2s; }
    nav a:hover { color: var(--navy); }
    nav a.active { color: var(--navy); font-weight: 700; border-bottom: 2px solid var(--gold); padding-bottom: 2px; }
    .nav-contact {
      display: flex !important; align-items: center;
      background: var(--gold) !important; color: var(--navy) !important;
      padding: 0 32px !important; height: 100px; font-size: 15px !important;
      font-weight: 700 !important; letter-spacing: 0.05em; transition: background 0.2s !important;
      margin-right: -40px;
    }
    .nav-contact:hover { background: var(--gold-light) !important; color: var(--navy) !important; border-bottom: none !important; }
    .burger { display: none; flex-direction: column; justify-content: center; gap: 6px; width: 40px; height: 40px; cursor: pointer; background: none; border: none; padding: 4px; z-index: 1100; }
    .burger span { display: block; width: 26px; height: 2px; background: var(--navy); transition: all 0.3s ease; transform-origin: center; }
    .burger.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .burger.open span:nth-child(2) { opacity: 0; }
    .burger.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
    .nav-drawer { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.4); z-index: 999; opacity: 0; pointer-events: none; transition: opacity 0.3s ease; }
    .nav-drawer.open { display: block; opacity: 1;  pointer-events: auto; }
    .nav-drawer-inner { position: absolute; top: 0; right: 0; width: 280px; height: 100%; background: #fff; padding: 120px 36px 40px; display: flex; flex-direction: column; transform: translateX(100%); transition: transform 0.35s ease; box-shadow: -4px 0 24px rgba(0,0,0,0.12); }
    .nav-drawer.open .nav-drawer-inner { transform: translateX(0); }
    .nav-drawer-inner a { display: block; font-size: 16px; font-weight: 500; color: var(--text-dark); text-decoration: none; padding: 16px 0; border-bottom: 1px solid var(--light-gray); letter-spacing: 0.05em; transition: color 0.2s; }
    .nav-drawer-inner a:hover { color: var(--gold-dark); }
    .nav-drawer-contact { margin-top: 24px !important; background: var(--gold) !important; color: var(--navy) !important; text-align: center; padding: 16px !important; font-weight: 700 !important; border-bottom: none !important; }

    /* PAGE HERO */
    .page-hero {
      position: relative; height: 360px; background: var(--navy);
      display: flex; align-items: flex-end; overflow: hidden; margin-top: 100px;
    }
    .page-hero-bg {
      position: absolute; inset: 0;
      background: linear-gradient(to right, rgba(13,27,42,0.85) 50%, rgba(13,27,42,0.4) 100%),
        url('../img/4122.JPG') 40% 45%/130% auto no-repeat;
    }
    .page-hero-grid {
      position: absolute; inset: 0;
      background-image: linear-gradient(rgba(201,168,76,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(201,168,76,0.04) 1px, transparent 1px);
      background-size: 60px 60px;
    }
    .page-hero-content {
      position: relative; z-index: 2; max-width: 1200px; margin: 0 auto;
      padding: 0 40px 120px; width: 100%;
    }
    .page-label {
      display: inline-flex; align-items: center; gap: 10px; margin-bottom: 16px;
    }
    .page-label::before { content: ''; display: block; width: 40px; height: 1px; background: var(--gold); }
    .page-label span { font-family: 'Oswald', sans-serif; font-size: 12px; letter-spacing: 0.25em; color: var(--gold); text-transform: uppercase; }
    .page-title { font-family: 'Noto Serif JP', serif; font-size: clamp(32px, 4vw, 52px); font-weight: 700; color: var(--white); line-height: 1.3; }

    /* BREADCRUMB */
    .breadcrumb { background: var(--off-white); border-bottom: 1px solid var(--light-gray); padding: 14px 0; }
    .breadcrumb-inner { max-width: 1200px; margin: 0 auto; padding: 0 40px; display: flex; align-items: center; gap: 8px; }
    .breadcrumb a { font-size: 13px; color: var(--text-light); text-decoration: none; transition: color 0.2s;  padding: 8px 4px; }

    .breadcrumb a:hover { color: var(--gold-dark); }
    .breadcrumb span { font-size: 13px; color: var(--text-light); }
    .breadcrumb-current { font-size: 13px; color: var(--text-dark); }

    /* INTRO */
    .intro { padding: 100px 0 80px; background: var(--white); }
    .intro-inner { max-width: 1200px; margin: 0 auto; padding: 0 40px; text-align: center; }
    .section-label { display: inline-flex; align-items: center; gap: 12px; margin-bottom: 16px; }
    .section-label::before { content: ''; display: block; width: 32px; height: 1px; background: var(--gold); }
    .section-label span { font-family: 'Oswald', sans-serif; font-size: 11px; letter-spacing: 0.3em; color: var(--gold); text-transform: uppercase; }
    .section-title { font-family: 'Noto Serif JP', serif; font-size: clamp(28px, 3.5vw, 44px); font-weight: 700; color: var(--navy); line-height: 1.3; margin-bottom: 24px; }
    .intro-lead { font-size: 17px; line-height: 2.2; color: var(--text-mid); max-width: 720px; margin: 0 auto; }

    /* STRENGTHS DETAIL */
    .strengths-detail { padding: 0; background: var(--white); }
    .strength-block { max-width: none; margin: 0; padding: 0; }
    .strength-item {
      display: grid; grid-template-columns: 1fr 1fr;
      align-items: stretch; min-height: 580px;
      border-bottom: none;
    }
    .strength-item:last-child { border-bottom: none; }
    .strength-item.reverse { direction: ltr; }
    .strength-item.reverse > * { direction: ltr; }
    .strength-item.reverse .strength-visual { order: -1; }
    .strength-text {
      padding: 80px 60px 80px max(40px, calc((100vw - 1200px) / 2));
      display: flex; flex-direction: column; justify-content: center;
      background: var(--off-white);
    }
    .strength-item.reverse .strength-text {
      padding: 80px max(40px, calc((100vw - 1200px) / 2)) 80px 60px;
    }
    .strength-num-large {
      font-family: 'Bebas Neue', cursive; font-size: 120px; color: rgba(201,168,76,0.12);
      line-height: 1; margin-bottom: -20px; letter-spacing: 0.05em;
    }
    .strength-tag {
      display: inline-flex; align-items: center; gap: 10px;
      margin-bottom: 20px;
    }
    .strength-tag::before { content: ''; display: block; width: 32px; height: 1px; background: var(--gold); }
    .strength-tag span { font-family: 'Oswald', sans-serif; font-size: 11px; letter-spacing: 0.3em; color: var(--gold); text-transform: uppercase; }
    .strength-heading { font-family: 'Noto Serif JP', serif; font-size: clamp(22px, 2.5vw, 32px); font-weight: 700; color: var(--navy); line-height: 1.4; margin-bottom: 24px; }
    .strength-body { font-size: 16px; line-height: 2.2; color: var(--text-mid); }
    .strength-points { margin-top: 28px; display: flex; flex-direction: column; gap: 12px; }
    .strength-point {
      display: flex; align-items: flex-start; gap: 12px;
      font-size: 15px; color: var(--text-mid); line-height: 1.8;
    }
    .strength-point::before { content: ''; display: block; width: 6px; height: 6px; background: var(--gold); border-radius: 50%; flex-shrink: 0; margin-top: 9px; }
    .strength-visual {
      background: var(--navy); position: relative; overflow: hidden;
    }
    .strength-visual-inner {
      position: absolute; inset: 0;
      background: linear-gradient(135deg, var(--navy-mid) 0%, var(--navy) 100%);
      display: flex; align-items: center; justify-content: center;
    }
    .strength-visual-num {
      font-family: 'Bebas Neue', cursive; font-size: 200px; color: rgba(201,168,76,0.08);
      letter-spacing: 0.05em; line-height: 1;
    }
    .strength-visual-label {
      position: absolute; bottom: 24px; left: 24px;
      font-family: 'Oswald', sans-serif; font-size: 13px; letter-spacing: 0.2em;
      color: rgba(201,168,76,0.6); text-transform: uppercase;
    }
    .strength-visual-line {
      position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--gold);
    }



    /* WORKS */
    .works { background: var(--white); padding: 120px 0; }
    .works-inner { max-width: 1200px; margin: 0 auto; padding: 0 40px; }
    .works-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 60px; }
    .section-desc { font-size: 16px; line-height: 2; color: var(--text-mid); }
    .works-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px; background: var(--white); }
    .work-card { background: var(--white); overflow: hidden; position: relative; }
    .work-card-img { aspect-ratio: 4/3; overflow: hidden; background: var(--light-gray); }
    .work-card-img img,
    .work-card-img video { width: 100%; height: 100%; object-fit: cover; }
    .work-card-body { padding: 28px 32px; }
    .work-tag { display: inline-block; font-family: 'Oswald', sans-serif; font-size: 15px; letter-spacing: 0.2em; color: var(--gold); border: 1px solid rgba(201,168,76,0.4); padding: 4px 10px; margin-bottom: 12px; }
    .work-title { font-family: 'Noto Serif JP', serif; font-size: 17px; font-weight: 600; color: var(--navy); line-height: 1.5; }

    /* CTA */
    .cta { background: var(--navy); padding: 100px 0; }
    .cta-inner { max-width: 1200px; margin: 0 auto; padding: 0 40px; display: flex; justify-content: space-between; align-items: center; gap: 60px; }
    .cta-title { font-family: 'Noto Serif JP', serif; font-size: clamp(24px, 2.5vw, 34px); font-weight: 700; color: var(--white); line-height: 1.5; margin-bottom: 16px; }
    .cta-desc { font-size: 16px; line-height: 2; color: rgba(255,255,255,0.6); }
    .cta-actions { display: flex; flex-direction: column; gap: 12px; flex-shrink: 0; }
    .btn-primary { display: inline-flex; align-items: center; gap: 10px; background: var(--gold); color: var(--navy); padding: 16px 36px; font-size: 16px; font-weight: 700; letter-spacing: 0.05em; text-decoration: none; transition: all 0.3s ease; border-radius: 6px; }
    .btn-primary::after { content: '→'; transition: transform 0.3s ease; }
    .btn-primary:hover { background: var(--gold-light); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(201,168,76,0.4); }
    .btn-primary:hover::after { transform: translateX(4px); }
    .btn-outline { display: inline-flex; align-items: center; gap: 10px; border: 1px solid rgba(255,255,255,0.4); color: var(--white); padding: 16px 36px; font-size: 16px; font-weight: 400; letter-spacing: 0.05em; text-decoration: none; transition: all 0.3s ease; border-radius: 6px; }
    .btn-outline:hover { border-color: var(--gold); color: var(--gold); }

    /* FOOTER */
    footer { background: #ffffff; padding: 60px 0 32px; border-top: 1px solid rgba(0,0,0,0.08); }
    .footer-inner { max-width: 1200px; margin: 0 auto; padding: 0 40px; }
    .footer-top { display: flex; flex-direction: column; gap: 32px; margin-bottom: 32px; padding-bottom: 32px; border-bottom: 1px solid rgba(0,0,0,0.08); }
    .footer-brand img { height: 56px; margin-bottom: 12px; }
    .footer-brand p { font-size: 14px; line-height: 1.5; color: var(--text-mid); max-width: 400px; }
    .footer-nav-group { display: flex; flex-direction: row; flex-wrap: wrap; gap: 0 32px; align-items: center; }
    .footer-nav-group h4 { display: none; }
    .footer-nav-group a { display: inline-block; font-size: 14px; color: var(--text-mid); text-decoration: none; padding: 8px 0; transition: color 0.2s; white-space: nowrap; }
    .footer-nav-group a:hover { color: var(--gold-dark); }
    .footer-bottom { display: flex; justify-content: space-between; align-items: center; }
    .footer-bottom p { font-size: 11px; color: var(--text-light); letter-spacing: 0.1em; }
    .footer-bottom-links { display: flex; gap: 24px; }
    .footer-bottom-links a { font-size: 11px; color: var(--text-light); text-decoration: none; transition: color 0.2s; }
    .footer-bottom-links a:hover { color: var(--gold-dark); }

    /* REVEAL */
    .reveal { opacity: 0; transform: translateY(32px); transition: opacity 0.7s ease, transform 0.7s ease; }
    .reveal.visible { opacity: 1; transform: translateY(0); }

    /* RESPONSIVE */
    @media (max-width: 1024px) {
      .works-grid { grid-template-columns: repeat(2, 1fr); }
      .strength-text { padding: 60px 48px; }
      .strength-item { min-height: 480px; }
      .spec-grid { grid-template-columns: repeat(3, 1fr); }
      .process-steps { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 768px) {
      .page-hero-bg { background-size: auto, cover; }
      .header-inner { padding: 0 20px; height: 70px; }
      nav { display: none; }
      .burger { display: flex; }
      .page-hero { height: 280px; margin-top: 70px; }
      .page-hero-content { padding: 0 40px 120px; }
      .breadcrumb-inner { padding: 0 20px; }
      .intro-inner, .strength-block, .spec-inner, .process-inner, .cta-inner, .footer-inner { padding: 0 24px; }
      .strength-item { grid-template-columns: 1fr; direction: ltr !important; min-height: auto; }
      .strength-item.reverse .strength-visual { order: 0; }
      .strength-visual { min-height: 300px; }
      .strength-text { padding: 48px 24px; }
      .strength-item.reverse .strength-text { padding: 48px 24px; }
      .works-grid { grid-template-columns: repeat(2, 1fr); }
      .works-header { flex-direction: column; align-items: flex-start; gap: 20px; }
      .works-inner { padding: 0 24px; }
      .strength-item.reverse > * { direction: ltr; }
      .spec-grid { grid-template-columns: 1fr; }
      .process-steps { grid-template-columns: 1fr; }
      .process-arrow { display: none; }
      .cta-inner { flex-direction: column; }
      .nav-contact { height: 70px !important; }
    }
    @media (max-width: 480px) {
      .header-inner { height: 64px; padding: 0 16px; }
      .logo img { height: 52px; }
      .nav-contact { height: 64px !important; padding: 0 20px !important; font-size: 13px !important; }
      .page-hero { height: 240px; margin-top: 64px; }
      .intro { padding: 40px 0 40px; }
      .strengths-detail { padding: 0 0 60px; }
      .strength-text { padding: 40px 16px; }
      .strength-item.reverse .strength-text { padding: 40px 16px; }
      .works { padding: 0 0 48px; }
      .works-header { margin-bottom: 20px; }
      .works-grid { grid-template-columns: 1fr; }
      .works-inner { padding: 0 16px; }
      .strength-num-large { font-size: 80px; }
      .spec-section, .process, .cta { padding: 60px 0; }
      .footer-nav-group { display: none; }
      .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    }