:root {
    --pink:        #D4637E;
    --pink-dark:   #B84A66;
    --pink-light:  #FDF2F5;
    --pink-gradient: #F9E4EC;
    --green:       #1A9D57;
    --green-dark:  #147A44;
    --green-light: #ECF7F1;
    --ink:         #243040;
    --sub:         #4A5568;
    --bg:          #ffffff;
    --bg-soft:     #F7F8FA;
    --line:        #E8ECF0;
    --radius:      12px;
    --fs-body:     16px;
    --fs-note:     14px;
    --fs-tag:      12px;
    --maxw:        1200px;
    --shadow-sm:   0 1px 3px rgba(0,0,0,.04), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md:   0 4px 16px rgba(0,0,0,.05), 0 2px 6px rgba(0,0,0,.04);
    --shadow-lg:   0 12px 40px rgba(0,0,0,.06), 0 4px 12px rgba(0,0,0,.04);
    --shadow-xl:   0 20px 60px rgba(0,0,0,.08), 0 8px 20px rgba(0,0,0,.04);
  }
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  :focus-visible { outline: 2px solid var(--pink); outline-offset: 3px; }
  body { font-family: 'Noto Sans JP', 'Hiragino Sans', sans-serif; color: var(--ink); background: var(--bg); line-height: 1.8; text-wrap: wrap; word-break: normal; }

  /* BASE */
  .wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 40px; }
  section { padding: 120px 0; }
  .eyebrow { font-size: 11px; font-weight: 700; color: var(--pink-dark); letter-spacing: .25em; text-transform: uppercase; margin-bottom: 20px; }
  h2.title { font-size: clamp(26px, 3vw, 38px); font-weight: 700; margin-bottom: 24px; line-height: 1.5; letter-spacing: -.02em; }
  .lead-narrow { max-width: 720px; font-size: var(--fs-body); color: var(--sub); line-height: 1.9; margin-top: 4px; }
  .col-head { font-size: 13px; font-weight: 700; letter-spacing: .04em; color: var(--ink); margin-bottom: 18px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }

  .btn { display: inline-block; padding: 18px 40px; border-radius: 9999px; font-size: 15px; font-weight: 500; text-decoration: none; letter-spacing: .02em; transition: all .35s cubic-bezier(.4,0,.2,1); box-shadow: rgba(26,38,51,.1) 0px 6px 24px 0px; }
  .btn-primary { background: var(--pink); color: #fff; border: 1px solid transparent; box-shadow: 0 4px 16px rgba(212,99,126,.2); }
  .btn-primary:hover { background: var(--pink-dark); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(212,99,126,.3); }
  .btn-ghost { background: #fff; color: var(--ink); border: 1.5px solid #D7DCE3; box-shadow: 0 2px 10px rgba(36,48,64,.06); }
  .btn-ghost:hover { background: #fff; border-color: var(--pink); color: var(--pink); transform: translateY(-2px); box-shadow: 0 6px 18px rgba(212,99,126,.16); }

  .card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; transition: all .4s cubic-bezier(.4,0,.2,1); box-shadow: var(--shadow-sm); }
  .card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }

  /* PAGE HERO */
  .page-hero { padding: 88px 0 64px; }
  .breadcrumb { font-size: var(--fs-note); color: var(--sub); margin-bottom: 20px; }
  .breadcrumb a { color: var(--sub); text-decoration: none; }
  .breadcrumb a:hover { color: var(--ink); }
  .breadcrumb span { margin: 0 6px; }
  .page-hero h1 { font-size: 36px; font-weight: 700; line-height: 1.4; letter-spacing: -.02em; }
  .page-hero p.sub { font-size: var(--fs-body); color: var(--sub); margin-top: 16px; line-height: 1.85; max-width: 640px; }
  .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
  .hero-actions .btn { padding: 15px 32px; font-size: 14px; }

  /* JOB SUMMARY (quick facts) */
  .job-summary { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 32px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
  .job-summary-item { background: #fff; padding: 22px; display: flex; flex-direction: column; gap: 8px; }
  .job-summary-k { font-size: 11px; font-weight: 700; color: var(--pink-dark); letter-spacing: .08em; }
  .job-summary-v { font-size: 15px; font-weight: 700; color: var(--ink); line-height: 1.5; }
  .job-summary-link { margin-top: 14px; font-size: 13px; }
  .job-summary-link a { color: var(--ink); font-weight: 700; text-decoration: none; border-bottom: 1px solid var(--ink); padding-bottom: 2px; transition: color .2s, border-color .2s; }
  .job-summary-link a:hover { color: var(--pink); border-bottom-color: var(--pink); }

  /* MESSAGE */
  .message-section { background: var(--bg); }
  .message-inner { max-width: 880px; }
  .message-inner h2 { font-size: clamp(24px, 3vw, 36px); font-weight: 700; line-height: 1.5; letter-spacing: -.02em; margin-bottom: 28px; }
  .message-inner p { font-size: var(--fs-body); color: var(--sub); line-height: 1.95; }
  .message-inner p + p { margin-top: 20px; }

  /* WHY LANSTECH */
  .why-section { background: var(--bg-soft); }
  .why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 44px; }
  .why-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; }
  .why-k { display: block; font-size: 12px; font-weight: 700; color: var(--pink); letter-spacing: .08em; margin-bottom: 14px; }
  .why-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 10px; line-height: 1.5; }
  .why-card p { font-size: var(--fs-body); color: var(--sub); line-height: 1.85; }

  /* POSITIONS */
  .jobs-section { background: var(--bg); }
  .jobs-grid { display: grid; grid-template-columns: 1fr; gap: 20px; margin-top: 40px; max-width: 640px; }
  .job-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 28px; }
  .job-badge { display: inline-block; background: var(--pink-light); border: 1px solid var(--line); color: var(--ink); font-size: var(--fs-tag); font-weight: 700; padding: 3px 12px; border-radius: 9999px; margin-bottom: 16px; }
  .job-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
  .job-card p { font-size: var(--fs-body); color: var(--sub); line-height: 1.75; margin-bottom: 20px; }
  .job-detail-link { display: inline-block; font-size: 13px; color: var(--ink); font-weight: 700; text-decoration: none; border-bottom: 1px solid var(--ink); padding-bottom: 2px; transition: color .2s, border-color .2s; }
  .job-detail-link:hover { color: var(--pink); border-bottom-color: var(--pink); }

  /* THE WORK */
  .work-section { background: var(--bg-soft); }
  .work-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; margin-top: 44px; align-items: start; }
  .work-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
  .work-list li { position: relative; padding-left: 20px; font-size: 15px; color: var(--ink); line-height: 1.75; }
  .work-list li::before { content: ''; position: absolute; left: 0; top: 11px; width: 6px; height: 6px; border-radius: 50%; background: var(--pink); }
  .work-steps { display: flex; flex-direction: column; }
  .work-step { display: flex; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); align-items: flex-start; }
  .work-step:first-child { padding-top: 0; }
  .work-step:last-child { border-bottom: none; }
  .work-num { font-size: 12px; font-weight: 700; color: var(--pink); letter-spacing: .06em; min-width: 28px; padding-top: 2px; }
  .work-step h4 { font-size: 14px; font-weight: 700; margin-bottom: 4px; }
  .work-step p { font-size: var(--fs-body); color: var(--sub); line-height: 1.7; }
  .work-note { margin-top: 36px; background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--pink); border-radius: var(--radius); padding: 22px 26px; font-size: var(--fs-note); color: var(--sub); line-height: 1.85; }

  /* TECH STACK */
  .tech-section { background: var(--bg); }
  .tech-cats { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
  .tech-cats li { background: var(--pink-light); border: 1px solid var(--line); border-radius: 9999px; padding: 8px 18px; font-size: var(--fs-tag); font-weight: 500; color: var(--ink); }
  .tech-pending { margin-top: 22px; font-size: var(--fs-note); color: var(--sub); line-height: 1.8; }

  /* WHO WE WANT */
  .who-section { background: var(--bg-soft); }
  .who-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px 56px; margin-top: 44px; align-items: start; }
  .who-list { list-style: none; display: flex; flex-direction: column; gap: 11px; }
  .who-list li { position: relative; padding-left: 24px; font-size: 15px; color: var(--ink); line-height: 1.75; }
  .who-list li::before { content: '✓'; position: absolute; left: 0; top: 0; color: var(--pink); font-weight: 700; }
  .who-note { font-size: var(--fs-note); color: var(--sub); margin-top: 12px; }
  .mind-block { margin-top: 8px; }
  .mind-list { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 14px 32px; margin-top: 4px; }
  .mind-list li { font-size: 15px; color: var(--ink); line-height: 1.7; }
  .mind-tag { display: inline-block; font-size: var(--fs-tag); font-weight: 700; color: var(--pink); margin-left: 6px; }

  /* DATA */
  .num-section { background: var(--bg); }
  .values-section { background: var(--bg); }
  .num-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 44px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
  .num-item { background: #fafafa; text-align: center; padding: 32px 20px; }
  .num-val { font-size: 30px; font-weight: 700; color: var(--ink); line-height: 1.25; }
  .num-val small { font-size: 15px; font-weight: 400; }
  .num-label { font-size: var(--fs-note); color: var(--sub); margin-top: 8px; line-height: 1.6; }

  /* REQUIREMENTS TABLE */
  .ws-section { background: var(--bg-soft); }
  .requirements-section { background: var(--bg); }
  .req-table { width: 100%; border-collapse: collapse; font-size: 14px; margin-top: 32px; }
  .req-table tr { border-bottom: 1px solid var(--line); }
  .req-table th { width: 26%; padding: 20px 20px 20px 0; font-weight: 500; color: var(--sub); vertical-align: top; text-align: left; }
  .req-table td { padding: 20px 0; color: var(--ink); line-height: 1.7; }

  /* INTERVIEW */
  .interview-section { background: var(--bg); }
  .interview-card { max-width: 760px; margin: 44px auto 0; background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 48px 48px 44px; text-align: center; }
  .interview-badge { display: inline-block; background: #fff; border: 1px solid var(--line); color: var(--pink); font-size: var(--fs-tag); font-weight: 700; padding: 4px 14px; border-radius: 9999px; margin-bottom: 20px; letter-spacing: .04em; }
  .interview-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 16px; line-height: 1.5; }
  .interview-card p { font-size: var(--fs-body); color: var(--sub); line-height: 1.9; max-width: 650px; margin: 0 auto; }
  .interview-q { list-style: none; display: inline-flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 24px; }
  .interview-q li { background: #fff; border: 1px solid var(--line); border-radius: 9999px; padding: 5px 14px; font-size: 12px; color: var(--sub); }
  .interview-cta-wrap { text-align: center; margin-top: 28px; }
  .interview-note { font-size: var(--fs-note); color: var(--sub); margin-bottom: 14px; }
  .interview-cta { display: inline-flex; align-items: center; gap: 8px; border: 1.5px solid var(--line); border-radius: 9999px; padding: 12px 28px; color: var(--ink); font-size: 14px; font-weight: 700; text-decoration: none; transition: all .35s cubic-bezier(.4,0,.2,1); }
  .interview-cta:hover { border-color: var(--pink); color: var(--pink); background: var(--bg-soft); transform: translateY(-2px); }

  /* FLOW */
  .flow-section { background: var(--bg-soft); }
  .flow-lead { font-size: var(--fs-body); color: var(--sub); margin-top: 4px; }
  .flow-steps { display: flex; align-items: flex-start; gap: 0; margin-top: 44px; }
  .flow-item { flex: 1; text-align: center; position: relative; padding: 0 8px; }
  .flow-item::after { content: '→'; position: absolute; right: -8px; top: 18px; color: var(--sub); font-size: 18px; }
  .flow-item:last-child::after { display: none; }
  .flow-circle { width: 56px; height: 56px; border-radius: 50%; background: var(--ink); color: #fff; font-size: 13px; font-weight: 700; display: flex; align-items: center; justify-content: center; margin: 0 auto 12px; }
  .flow-label { font-size: 14px; font-weight: 700; margin-bottom: 4px; }
  .flow-desc { font-size: var(--fs-note); color: var(--sub); line-height: 1.6; }

  /* FAQ */
  .faq-section { background: var(--bg); }
  .faq-list { max-width: 820px; margin: 36px auto 0; border-top: 1px solid var(--line); }
  .faq-item { border-bottom: 1px solid var(--line); }
  .faq-item summary { list-style: none; cursor: pointer; padding: 20px 44px 20px 0; font-size: 15px; font-weight: 700; color: var(--ink); position: relative; }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary::after { content: '+'; position: absolute; right: 6px; top: 16px; font-size: 22px; font-weight: 400; color: var(--pink); transition: transform .2s; }
  .faq-item[open] summary::after { content: '−'; }
  .faq-item .faq-a { padding: 0 44px 22px 0; font-size: 15px; color: var(--sub); line-height: 1.85; }

  /* CONTACT CTA */
  .contact-cta { background: #fff; border-top: 1px solid var(--line); padding: 72px 0; }
  .contact-cta .cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 48px; }
  .contact-cta .eyebrow { color: var(--pink-dark); }
  .contact-cta h2 { font-size: 26px; font-weight: 700; color: var(--ink); margin-top: 10px; margin-bottom: 10px; line-height: 1.45; }
  .contact-cta p { font-size: var(--fs-body); color: var(--sub); line-height: 1.8; }
  .contact-cta .btn-cta { display: inline-block; background: var(--ink); color: #fff; padding: 16px 40px; border-radius: 9999px; font-size: 14px; font-weight: 700; text-decoration: none; transition: all .35s cubic-bezier(.4,0,.2,1); white-space: nowrap; flex-shrink: 0; box-shadow: 0 6px 24px rgba(20,28,36,.12); }
  .contact-cta .btn-cta:hover { background: #2D3748; transform: translateY(-2px); box-shadow: 0 10px 36px rgba(20,28,36,.18); }

  /* MOBILE STICKY APPLY BAR */
  .apply-bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 90; background: var(--pink); box-shadow: 0 -2px 12px rgba(0,0,0,.12); display: none; padding: 10px 16px; transition: transform .25s; }
  .apply-bar a { display: block; text-align: center; color: #fff; font-weight: 700; font-size: 15px; text-decoration: none; padding: 8px; }
  .apply-bar.is-hidden { transform: translateY(120%); }

  html { scroll-behavior: smooth; scroll-padding-top: 96px; }

  /* RESPONSIVE */
  @media (max-width: 768px) {
    section { padding: 80px 0; }
    .wrap { padding: 0 20px; }
    .page-hero { padding: 48px 0 40px; }
    .page-hero h1 { font-size: 26px; }
    .message-inner h2 { line-height: 1.55; }
    .why-grid { grid-template-columns: 1fr; }
    .hero-actions .btn { flex: 1 1 auto; text-align: center; }
    .job-summary { grid-template-columns: 1fr 1fr; }
    .work-cols { grid-template-columns: 1fr; gap: 32px; }
    .who-grid { grid-template-columns: 1fr; gap: 28px; }
    .mind-list { grid-template-columns: 1fr; }
    .num-grid { grid-template-columns: repeat(2, 1fr); }
    .interview-card { padding: 36px 24px 32px; }
    .flow-steps { flex-direction: column; gap: 24px; }
    .flow-item::after { display: none; }
    .req-table th { width: 40%; font-size: 13px; }
    .footer-inner { flex-direction: column; gap: 28px; }
    .footer-nav { justify-content: flex-start; gap: 14px 20px; }
    .footer-bottom { flex-direction: column; align-items: flex-start; gap: 10px; }
    .apply-bar { display: block; }
    body { padding-bottom: 60px; }
    .contact-cta { padding: 56px 0; }
    .contact-cta .cta-inner { flex-direction: column; align-items: flex-start; gap: 24px; }
    .contact-cta h2 { font-size: 22px; }
  }

  @media (max-width: 480px) {
    .num-grid { grid-template-columns: 1fr; }
    .why-card { padding: 22px 20px; }
    .job-summary { grid-template-columns: 1fr; }
    .hero-actions .btn { flex-basis: 100%; }
  }

  @media (min-width: 1440px) {
    .wrap { max-width: 1320px; padding: 0 60px; }
    section { padding: 120px 0; }
    .page-hero { padding: 100px 0; }
    .page-hero h1 { font-size: 52px; }
    h2.title { font-size: 40px; }
    .message-inner { max-width: 960px; }
    .recruit-lead h2 { font-size: 42px; }
    .recruit-layout { gap: 100px; }
    .interview-card { padding: 56px; max-width: 840px; }
    .interview-card h3 { font-size: 24px; }
  }

  @media (min-width: 1920px) {
    .wrap { max-width: 1400px; padding: 0 80px; }
    section { padding: 140px 0; }
    .page-hero { padding: 120px 0; }
    .page-hero h1 { font-size: 56px; }
    h2.title { font-size: 44px; }
    .recruit-lead h2 { font-size: 46px; }
    .recruit-layout { gap: 120px; }
    .recruit-content p { font-size: var(--fs-body); line-height: 2.2; max-width: 680px; }
    .interview-card { padding: 64px; max-width: 900px; }
    .interview-card h3 { font-size: 26px; }
    .interview-card p { line-height: 2.1; max-width: 700px; }
  }