/* ─── Reset & Base ─── */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      font-family: 'Noto Sans JP', sans-serif;
      color: #1B1D21; background: #fff;
      line-height: 1.75; font-weight: 400;
      -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
    }
    img { max-width: 100%; display: block; }
    a { color: inherit; }

    /* ─── Layout ─── */
    .container { max-width: 1180px; margin: 0 auto; padding: 0 56px; }
    .container-narrow { max-width: 980px; margin: 0 auto; padding: 0 56px; }
    .section { padding: 96px 0; position: relative; }
    .section--gray { background: #F6F8FB; }
    .section--dark { background: linear-gradient(135deg, #0D1B35 0%, #062247 50%, #003B7A 100%); color: #fff; }

    /* ─── Section Label / Title ─── */
    .label {
      font-family: 'Manrope', sans-serif; font-weight: 700;
      font-size: 12px; letter-spacing: 0.32em; text-transform: uppercase;
      color: #005AAA; display: inline-flex; align-items: center; gap: 14px;
      margin-bottom: 28px;
    }
    .label::before {
      content: ''; width: 28px; height: 2px; background: #ffcd00;
    }
    .label--dark { color: #ffcd00; }
    .label--dark::before { background: #ffcd00; }
    .label--center {
      flex-direction: column; gap: 0; margin-bottom: 24px;
    }
    .label--center::before { content: none; }
    .label--center::after {
      content: ''; width: 32px; height: 2px; background: #005AAA; margin-top: 10px;
    }
    .section-title {
      font-size: clamp(28px, 3.4vw, 42px); font-weight: 700;
      line-height: 1.4; letter-spacing: 0.02em; margin-bottom: 24px;
    }
    .section-sub {
      font-size: 17px; color: #555; font-weight: 400;
      line-height: 1.9; margin-bottom: 48px; max-width: 720px;
    }
    .section-num {
      font-family: 'Manrope', sans-serif; font-weight: 800;
      font-size: 13px; letter-spacing: 0.18em; color: #cbd2dc;
      position: absolute; top: 56px; right: 56px;
    }
    .section--dark .section-num { color: rgba(255,255,255,0.32); }

    /* ─── Buttons ─── */
    .btn {
      display: inline-flex; align-items: center; justify-content: center;
      gap: 12px; font-family: inherit; font-weight: 700;
      letter-spacing: 0.06em; text-decoration: none; cursor: pointer;
      transition: all 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
      border: none;
    }
    .btn-primary {
      background: #005AAA; color: #fff;
      font-size: 15px; padding: 19px 40px; border-radius: 4px;
      box-shadow: 0 8px 24px rgba(0, 90, 170, 0.28);
    }
    .btn-primary:hover {
      background: #004a8f; transform: translateY(-2px);
      box-shadow: 0 14px 32px rgba(0, 90, 170, 0.4);
    }
    .btn-primary--lg { font-size: 16px; padding: 22px 48px; }
    .btn-ghost {
      background: transparent; color: #fff;
      font-size: 14px; padding: 14px 26px; border-radius: 3px;
      border: 1px solid rgba(255,255,255,0.3);
    }
    .btn-ghost:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.55); }
    .btn-arrow { width: 16px; height: 16px; flex-shrink: 0; transition: transform 0.25s; }
    .btn:hover .btn-arrow { transform: translateX(4px); }

    /* ─── Header ─── */
    .site-header {
      position: fixed; top: 0; left: 0; width: 100%; z-index: 100;
      background: rgba(255,255,255,0.92); backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(224,228,235,0.6);
      padding: 0 56px; height: 76px; overflow: hidden;
      display: flex; align-items: center; justify-content: space-between;
      transition: background 0.25s, box-shadow 0.25s;
    }
    .site-header.scrolled {
      background: rgba(255,255,255,0.98); box-shadow: 0 2px 20px rgba(0,0,0,0.04);
    }
    .site-logo { display: flex; align-items: center; text-decoration: none; flex-shrink: 0; }
    .site-logo img { height: 28px; width: auto; display: block; }
    .site-nav { display: flex; align-items: center; gap: 36px; }
    .site-nav a {
      font-size: 14px; color: #1B1D21; text-decoration: none;
      font-weight: 500; letter-spacing: 0.04em;
      transition: color 0.2s; position: relative;
    }
    .site-nav a:not(.nav-cta)::after {
      content: ''; position: absolute; left: 0; bottom: -6px;
      width: 0; height: 2px; background: #005AAA;
      transition: width 0.25s;
    }
    .site-nav a:not(.nav-cta):hover::after { width: 100%; }
    .nav-cta {
      background: #005AAA; color: #fff !important;
      padding: 11px 22px; border-radius: 4px;
      font-weight: 700; font-size: 13px;
      white-space: nowrap;
      transition: background 0.2s, transform 0.15s;
    }
    .nav-cta:hover { background: #004a8f; transform: translateY(-1px); }

    /* ─── Hero ─── */
    .hero {
      background: #fff;
      height: 100svh; min-height: 620px;
      position: relative;
      display: flex; align-items: center;
      overflow: hidden;
    }
    .hero-text {
      position: relative; z-index: 2;
      padding-left: 80px;
      max-width: 700px;
      animation: fadeUp 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) both;
    }
    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(24px); }
      to   { opacity: 1; transform: translateY(0); }
    }
    .hero-h1 {
      font-size: clamp(30px, 4.2vw, 54px); font-weight: 900;
      color: #1B1D21; line-height: 1.2; letter-spacing: 0.02em;
      margin-bottom: 28px;
    }
    .hero-h1 .accent { color: #005AAA; }
    .hero-sub {
      font-size: clamp(14px, 1.1vw, 16px); color: #555;
      font-weight: 400; line-height: 2; margin-bottom: 40px;
    }
    .hero-cta-wrap { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
    .hero-note { font-size: 12px; color: #999; letter-spacing: 0.12em; width: 100%; margin-top: 4px; }
    .hero-graphic {
      position: absolute;
      right: 1%; top: 50%; transform: translateY(-50%);
      width: 72%; z-index: 1;
      opacity: 0; animation: fadeIn 1.2s ease forwards 0.3s;
      pointer-events: none;
    }
    .hero-graphic img { width: 100%; height: auto; display: block; }
    @keyframes fadeIn { to { opacity: 1; } }

    /* ─── Problem ─── */
    .section--problem { background: #fff; padding: 76px 0; overflow: hidden; }
    .problem-inner {
      max-width: 1200px; margin: 0 auto; padding: 0 60px;
      display: grid; grid-template-columns: 1fr 1fr;
      align-items: stretch; gap: 64px;
    }
    .problem-label {
      display: block;
      font-family: 'Manrope', sans-serif; font-size: 13px; font-weight: 700;
      color: #005AAA; letter-spacing: 0.12em;
      margin-bottom: 20px; position: relative; padding-bottom: 12px;
    }
    .problem-label::after {
      content: ''; position: absolute; left: 0; bottom: 0;
      width: 24px; height: 2px; background: #005AAA;
    }
    .problem-h2 {
      font-size: clamp(32px, 3.8vw, 54px); font-weight: 900;
      color: #0D1B2A; line-height: 1.25; letter-spacing: 0.02em;
      margin-bottom: 20px;
    }
    .problem-desc {
      font-size: 15px; color: #555; line-height: 1.9; margin-bottom: 32px;
    }
    .problem-list { display: flex; flex-direction: column; gap: 10px; }
    .problem-item {
      display: flex; align-items: center; gap: 20px;
      background: #fff; border-radius: 8px; padding: 18px 22px;
      border: 1px solid #D8E2EE;
    }
    .problem-icon {
      flex-shrink: 0; width: 46px; height: 46px; border-radius: 50%;
      background: #EBF2FB;
      display: flex; align-items: center; justify-content: center;
      color: #005AAA;
    }
    .problem-icon svg { width: 22px; height: 22px; }
    .problem-text { font-size: 15px; font-weight: 500; color: #1B1D21; line-height: 1.65; }
    .problem-left { display: flex; flex-direction: column; justify-content: flex-start; }
    .problem-illust { display: flex; align-items: stretch; justify-content: center; }
    .problem-illust img { width: 100%; height: 100%; object-fit: contain; object-position: center bottom; display: block; }

    /* ─── Approach (3STEP) ─── */
    .approach-h2 {
      font-size: clamp(28px, 3.4vw, 42px); font-weight: 700;
      color: #0D1B2A; line-height: 1.4; letter-spacing: 0.02em;
      margin-bottom: 24px;
    }
    .approach-sub {
      font-size: 16px; color: #555; line-height: 1.9; margin-bottom: 44px;
    }
    .steps {
      display: grid;
      grid-template-columns: 1fr 56px 1fr 56px 1fr;
      align-items: stretch; gap: 0;
    }
    .step-connector {
      display: flex; align-items: center; justify-content: center;
    }
    .step-arrow {
      width: 44px; height: 44px; border-radius: 50%;
      background: #0D1B35;
      display: flex; align-items: center; justify-content: center;
      color: #fff; flex-shrink: 0;
    }
    .step-arrow svg { width: 18px; height: 18px; }
    .step-card {
      background: #fff; border: 1px solid #E0E4EB;
      border-radius: 12px; padding: 28px 28px 32px;
      text-align: center;
      box-shadow: 0 4px 20px rgba(0, 30, 80, 0.06);
      transition: transform 0.3s, box-shadow 0.3s;
    }
    .step-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 14px 40px rgba(0, 90, 170, 0.12);
    }
    .step-num {
      font-family: 'Manrope', sans-serif; font-weight: 700;
      color: #005AAA;
      padding-bottom: 14px; margin-bottom: 0;
      position: relative; text-align: left;
      display: flex; align-items: baseline; gap: 5px;
    }
    .step-num::after {
      content: ''; position: absolute; bottom: 0; left: 0;
      width: 24px; height: 2px; background: #005AAA;
    }
    .step-word { font-size: 10px; letter-spacing: 0.3em; font-weight: 700; }
    .step-num-val { font-size: 20px; font-weight: 900; letter-spacing: 0.05em; }
    .step-icon {
      width: 120px; height: 120px; border-radius: 50%;
      background: #E8F1FB;
      display: flex; align-items: center; justify-content: center;
      color: #005AAA; margin: 28px auto;
    }
    .step-icon svg { width: 52px; height: 52px; }
    .step-title {
      font-size: 20px; font-weight: 700; color: #0D1B2A;
      line-height: 1.4; padding-bottom: 16px; margin-bottom: 0;
      position: relative;
    }
    .step-title::after {
      content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
      width: 24px; height: 2px; background: #005AAA;
    }
    .step-sub { font-size: 14px; color: #6B7A8D; line-height: 1.9; margin-top: 18px; }

    /* ─── Achievements (新デザイン) ─── */
    .achv-section { background: #fff; }
    .achv-heading { font-size: clamp(28px, 3.6vw, 48px); font-weight: 900; color: #0D1B2A; line-height: 1.25; letter-spacing: 0.01em; margin-bottom: 16px; }
    .achv-lead { font-size: 16px; color: #555; line-height: 1.9; margin-bottom: 40px; }

    /* diagram */
    .achv-diagram { background: #F4F7FB; border-radius: 16px; padding: 32px 56px; margin-bottom: 48px; display: flex; align-items: center; gap: 0; position: relative; overflow: hidden; min-height: 176px; }
    .achv-before { flex: 1; position: relative; z-index: 1; }
    .achv-before-label { font-family: 'Manrope',sans-serif; font-size: 11px; font-weight: 700; letter-spacing: 0.28em; color: #9aa4b2; margin-bottom: 8px; }
    .achv-before-title { font-size: 22px; font-weight: 900; color: #0D1B2A; margin-bottom: 10px; }
    .achv-before-desc { font-size: 14px; color: #7a8898; line-height: 1.7; }
    .achv-center { flex-shrink: 0; display: flex; align-items: center; justify-content: center; flex-direction: column; position: relative; z-index: 1; width: 220px; }
    .achv-axis-circle { width: 136px; height: 136px; border-radius: 50%; background: radial-gradient(circle at 40% 35%, #1e4f9c, #0D1B35); display: flex; align-items: center; justify-content: center; flex-direction: column; box-shadow: 0 0 0 12px rgba(0,90,170,0.1), 0 0 0 24px rgba(0,90,170,0.05); position: relative; z-index: 2; }
    .achv-axis-label { font-family: 'Manrope',sans-serif; font-size: 20px; font-weight: 900; color: #fff; letter-spacing: 0.06em; }
    .achv-axis-sub { font-size: 12px; color: rgba(255,255,255,0.75); text-align: center; line-height: 1.6; margin-top: 4px; }
    .achv-node { width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 2px solid #c8d5e6; position: absolute; z-index: 3; }
    .achv-node--l { left: -8px; top: 50%; transform: translateY(-50%); }
    .achv-node--r { right: -8px; top: 50%; transform: translateY(-50%); }
    .achv-after { flex: 1; display: flex; flex-direction: column; align-items: flex-end; text-align: right; position: relative; z-index: 1; }
    .achv-after-label { font-family: 'Manrope',sans-serif; font-size: 11px; font-weight: 700; letter-spacing: 0.28em; color: #9aa4b2; margin-bottom: 8px; }
    .achv-after-title { font-size: 22px; font-weight: 900; color: #0D1B2A; margin-bottom: 10px; }
    .achv-after-desc { font-size: 14px; color: #7a8898; line-height: 1.7; }
    .achv-diagram-svg { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0; }

    /* column grid — row-first flat grid for equal card heights */
    .achv-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid #E0E4EB; }
    .achv-cols > * { padding: 0 32px; border-right: 1px solid #E0E4EB; }
    .achv-cols > *:nth-child(3n) { border-right: none; padding-right: 0; }
    .achv-cols > *:nth-child(3n+1) { padding-left: 0; }
    .achv-col-header { display: flex; align-items: center; gap: 10px; padding-top: 28px; padding-bottom: 20px; border-bottom: 2px solid; }
    .achv-col-header--blue { border-color: #005AAA; }
    .achv-col-header--gold { border-color: #C9920A; }
    .achv-col-en { font-family: 'Manrope',sans-serif; font-size: 14px; font-weight: 800; letter-spacing: 0.12em; color: #0D1B2A; }
    .achv-col-sep { color: #9aa4b2; font-size: 14px; }
    .achv-col-ja { font-size: 14px; font-weight: 500; color: #555; }

    /* case items */
    .achv-case { padding-top: 28px; padding-bottom: 28px; border-top: 1px solid #EDF1F6; display: flex; flex-direction: column; }
    .achv-case-top { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 14px; }
    .achv-case-icon { width: 54px; height: 54px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
    .achv-case-icon--navy { background: #0D1B35; color: #fff; }
    .achv-case-icon--gold { background: #C9920A; color: #fff; }
    .achv-case-icon svg { width: 24px; height: 24px; }
    .achv-case-meta { flex: 1; }
    .achv-case-num { font-family: 'Manrope',sans-serif; font-size: 32px; font-weight: 900; color: #005AAA; line-height: 1; margin-bottom: 6px; letter-spacing: -0.02em; }
    .achv-case-title { font-size: 16px; font-weight: 700; color: #0D1B2A; line-height: 1.5; }
    .achv-case-desc { font-size: 14px; color: #6B7A8D; line-height: 1.85; margin-bottom: 16px; flex: 1; }
    .achv-result-row { display: flex; align-items: flex-start; gap: 10px; margin-top: auto; }
    .achv-badge { flex-shrink: 0; font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 4px; line-height: 1.4; }
    .achv-badge--blue { background: #005AAA; color: #fff; }
    .achv-badge--gold { background: #C9920A; color: #fff; }
    .achv-case-result { font-size: 15px; font-weight: 600; color: #0D1B2A; line-height: 1.6; }
    .achv-case-result strong { color: #005AAA; }
    .achv-case-result strong.gold { color: #C9920A; }
    .achv-disclaimer { text-align: center; font-size: 13px; color: #9aa4b2; margin-top: 48px; letter-spacing: 0.03em; }

    /* ─── Why us — alternating rows ─── */
    .section--why { background: #F4F8FD; }
    .why-sub {
      font-size: 15px; color: #555; line-height: 1.9;
      margin: 16px auto 0; max-width: 720px; text-align: center;
    }

    .why-rows { display: flex; flex-direction: column; gap: 40px; margin-top: 48px; }
    .why-row {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 72px; align-items: center;
    }
    .why-row-text { padding: 12px 0; }
    .why-row-num {
      font-family: 'Manrope', sans-serif;
      font-size: 60px; font-weight: 900;
      color: #005AAA; letter-spacing: -0.02em;
      line-height: 1; margin-bottom: 28px;
      display: flex; align-items: center; gap: 18px;
    }
    .why-row-num::after {
      content: ''; width: 56px; height: 2px; background: #005AAA;
    }
    .why-row-title {
      font-size: clamp(28px, 3.4vw, 42px); font-weight: 900;
      color: #0D1B2A; line-height: 1.4; letter-spacing: 0.02em;
      margin-bottom: 28px;
    }
    .why-row-desc {
      font-size: 15px; color: #5A6677; line-height: 1.85;
    }

    .why-row-img {
      background: linear-gradient(135deg, #F8FBFF 0%, #E5EFF9 100%);
      border-radius: 12px;
      aspect-ratio: 16 / 11;
      display: flex; align-items: center; justify-content: center;
      padding: 28px;
      overflow: hidden; position: relative;
    }
    .why-row-img svg { width: 100%; height: 100%; max-height: 100%; }
    .why-row-img:has(img) { background: none; padding: 0; }
    .why-row-img img {
      width: 100%; height: 100%;
      object-fit: cover; display: block;
      border-radius: 12px;
    }

    /* Reverse layout (image on left) for row 02 */
    .why-row--reverse .why-row-img { order: 0; }
    .why-row--reverse .why-row-text { order: 1; }

    /* Footer bracket frame */
    .why-footer-bracket {
      margin: 48px auto 0;
      position: relative;
      padding: 28px 64px;
      text-align: center;
      max-width: 820px;
    }
    .why-footer-bracket::before, .why-footer-bracket::after {
      content: '';
      position: absolute;
      top: 0; bottom: 0; width: 22px;
      border: 1.5px solid #1B1D21;
    }
    .why-footer-bracket::before { left: 0; border-right: none; }
    .why-footer-bracket::after { right: 0; border-left: none; }
    .why-footer-text {
      font-size: 16px; font-weight: 500;
      color: #1B1D21; line-height: 2;
      letter-spacing: 0.04em;
    }

    /* ─── Service ─── */
    /* ─── Service (マーケティング支援) ─── */
    .svc-inner {
      display: grid; grid-template-columns: 220px 1fr;
      gap: 56px; align-items: start; margin-top: 40px;
    }
    .svc-sidebar {
      position: sticky; top: 96px;
      display: flex; flex-direction: column;
      border-left: 2px solid #E0E4EB;
    }
    .svc-cat { padding: 0 0 32px 24px; }
    .svc-cat + .svc-cat { padding-top: 32px; border-top: 1px solid #EDF1F6; }
    .svc-cat-icon {
      width: 44px; height: 44px; border-radius: 50%; background: #EBF2FB;
      display: flex; align-items: center; justify-content: center;
      color: #005AAA; margin-bottom: 14px;
    }
    .svc-cat-icon svg { width: 20px; height: 20px; }
    .svc-cat-en {
      font-family: 'Manrope', sans-serif; font-size: 11px; font-weight: 800;
      letter-spacing: 0.22em; color: #005AAA; margin-bottom: 3px;
    }
    .svc-cat-ja { font-size: 14px; font-weight: 700; color: #0D1B2A; margin-bottom: 10px; }
    .svc-cat-desc { font-size: 12px; color: #6B7A8D; line-height: 1.8; }
    .svc-list { display: flex; flex-direction: column; }
    .svc-item { display: flex; gap: 28px; padding: 36px 0; border-bottom: 1px solid #EDF1F6; }
    .svc-item:first-child { padding-top: 0; }
    .svc-num {
      font-family: 'Manrope', sans-serif; font-size: 40px; font-weight: 900;
      color: #005AAA; letter-spacing: -0.02em; line-height: 1;
      flex-shrink: 0; width: 56px;
    }
    .svc-body { flex: 1; }
    .svc-title { font-size: 18px; font-weight: 700; color: #0D1B2A; margin-bottom: 10px; line-height: 1.5; }
    .svc-desc { font-size: 14px; color: #6B7A8D; line-height: 1.9; }
    .svc-result {
      display: inline-block; margin-top: 12px;
      font-size: 12px; font-weight: 700; color: #7A5000;
      background: #FFF7E0; padding: 5px 14px; border-radius: 4px;
      border-left: 3px solid #C9920A;
    }
    .svc-result--blue { background: #EBF2FB; color: #004A8F; border-left-color: #005AAA; }
    /* ─── Achievements: category-paired grid ─── */
    .achv-section .svc-inner {
      display: grid;
      grid-template-columns: 240px 1fr;
      column-gap: 0; row-gap: 0;
      align-items: stretch;
      margin-top: 40px;
    }
    /* horizontal divider between groups (rows 2-3 only) */
    .achv-section .svc-inner > * { border-top: 1px solid #E0E4EB; }
    .achv-section .svc-inner > *:nth-child(-n+2) { border-top: none; }

    /* category cell */
    .achv-section .svc-cat {
      position: relative;
      padding: 32px 40px 32px 36px;
      display: flex; flex-direction: column;
      justify-content: flex-start;
      border-left: none;
    }
    /* continuous vertical line on left of cat column */
    .achv-section .svc-cat::before {
      content: ''; position: absolute;
      left: 0; top: 0; width: 1px; height: 100%;
      background: #C8D5E6;
    }
    /* marker dot near icon */
    .achv-section .svc-cat::after {
      content: ''; position: absolute;
      left: -6px; top: 60px;
      width: 13px; height: 13px; border-radius: 50%;
      background: #fff; border: 2px solid #005AAA;
      transform: translateY(-50%);
    }
    .achv-section .svc-cat-icon {
      width: 56px; height: 56px; border-radius: 50%;
      background: #0D1B35; color: #fff;
      display: flex; align-items: center; justify-content: center;
      margin-bottom: 18px;
    }
    .achv-section .svc-cat-icon svg { width: 24px; height: 24px; }
    .achv-section .svc-cat-en {
      font-family: 'Manrope', sans-serif;
      font-size: 16px; font-weight: 800;
      letter-spacing: 0.18em; color: #0D1B2A;
      margin-bottom: 4px;
    }
    .achv-section .svc-cat-ja {
      font-size: 14px; font-weight: 700;
      color: #1B1D21; margin-bottom: 18px;
    }
    .achv-section .svc-cat-desc {
      font-size: 12.5px; color: #6B7A8D;
      line-height: 1.95;
    }

    /* pair container (right column) */
    .achv-section .svc-pair {
      display: flex; flex-direction: column;
    }

    /* individual case items */
    .achv-section .svc-item {
      display: grid;
      grid-template-columns: 56px 1fr;
      column-gap: 0; gap: 0;
      padding: 32px 0;
      border: none; border-radius: 0;
      background: transparent;
      border-bottom: 1px solid #EDF1F6;
      align-items: stretch;
    }
    .achv-section .svc-pair > .svc-item:last-child { border-bottom: none; }

    .achv-section .svc-num {
      font-family: 'Manrope', sans-serif;
      font-size: 28px; font-weight: 900;
      color: #005AAA; line-height: 1;
      border-right: 1px solid #E0E4EB;
      padding: 4px 22px 0 0;
      width: auto; margin: 0;
      align-self: stretch;
    }
    .achv-section .svc-body { padding-left: 22px; }
    .achv-section .svc-title {
      font-size: 17px; font-weight: 700;
      color: #0D1B2A; line-height: 1.5;
      margin-bottom: 12px;
    }
    .achv-section .svc-desc {
      font-size: 13.5px; color: #6B7A8D;
      line-height: 1.85; margin-bottom: 0;
    }
    .achv-section .svc-result-row {
      display: flex; align-items: center; gap: 14px;
      margin-top: 18px;
    }
    .achv-section .svc-result-badge {
      background: #0D1B35; color: #fff;
      font-size: 12px; font-weight: 700;
      padding: 6px 14px; border-radius: 4px;
      flex-shrink: 0; letter-spacing: 0.04em;
      line-height: 1.4;
    }
    .achv-section .svc-result-text {
      font-size: 14px; color: #0D1B2A;
      font-weight: 600; line-height: 1.5;
    }
    .achv-section .svc-result-text strong {
      color: #005AAA; font-weight: 700;
    }
    .services-cta-wrap { text-align: center; margin-top: 56px; }
    .services-cta-note { font-size: 13px; color: #777; margin-top: 16px; letter-spacing: 0.04em; }
    /* plan cards (Service section) — flat design, icon-led */
    .plans-grid {
      display: grid; grid-template-columns: repeat(3, 1fr);
      gap: 24px; margin-bottom: 44px;
    }
    .plan-card {
      background: #fff; border: 1px solid #E0E4EB;
      border-radius: 14px; padding: 32px 36px 32px;
      display: flex; flex-direction: column; position: relative;
      transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1),
                  box-shadow 0.35s, border-color 0.3s;
      overflow: hidden;
    }
    /* subtle accent line at top, revealed on hover */
    .plan-card::before {
      content: ''; position: absolute;
      top: 0; left: 0; right: 0; height: 3px;
      background: linear-gradient(90deg, #005AAA, #3a78c5);
      transform: scaleX(0); transform-origin: left;
      transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
    }
    .plan-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 24px 56px rgba(13, 27, 53, 0.10);
      border-color: #C8DCEC;
    }
    .plan-card:hover::before { transform: scaleX(1); }

    .plan-icon {
      width: 56px; height: 56px; border-radius: 50%;
      background: #0D1B35; color: #fff;
      display: flex; align-items: center; justify-content: center;
      margin-bottom: 24px;
      transition: background 0.3s, transform 0.3s;
    }
    .plan-icon svg { width: 24px; height: 24px; }
    .plan-card:hover .plan-icon {
      background: #005AAA;
      transform: scale(1.05);
    }

    .plan-tag {
      display: inline-flex; align-items: center;
      font-family: 'Manrope', sans-serif;
      font-weight: 700; font-size: 11px;
      letter-spacing: 0.22em; color: #005AAA;
      text-transform: uppercase;
      margin-bottom: 14px; width: fit-content;
      gap: 10px;
    }
    .plan-tag::before {
      content: ''; width: 18px; height: 1.5px;
      background: #005AAA;
    }
    .plan-title {
      font-size: 22px; font-weight: 700;
      color: #0D1B2A; line-height: 1.45;
      margin-bottom: 14px; letter-spacing: 0.01em;
    }
    .plan-desc {
      font-size: 14px; color: #6B7A8D;
      line-height: 1.95; margin-bottom: 28px;
    }
    .plan-divider {
      width: 100%; height: 1px;
      background: linear-gradient(90deg, #E0E4EB 0%, #E0E4EB 60%, transparent 100%);
      margin-bottom: 24px;
    }
    .plan-list {
      list-style: none; display: flex; flex-direction: column;
      gap: 14px; flex: 1;
    }
    .plan-list li {
      font-size: 14.5px; color: #2A3548;
      line-height: 1.65; padding-left: 28px;
      position: relative;
    }
    .plan-list li::before {
      content: ''; position: absolute;
      left: 0; top: 4px;
      width: 18px; height: 18px; border-radius: 50%;
      background: #EBF2FB;
    }
    .plan-list li::after {
      content: ''; position: absolute;
      left: 5px; top: 9px;
      width: 8px; height: 4px;
      border-left: 2px solid #005AAA;
      border-bottom: 2px solid #005AAA;
      transform: rotate(-45deg);
      transform-origin: left bottom;
    }

    /* ─── FAQ ─── */
    .faq-list { max-width: 820px; margin: 0 auto; }
    .faq-item {
      border-bottom: 1px solid #E0E4EB;
      transition: background 0.2s;
    }
    .faq-item:hover { background: rgba(255,255,255,0.5); }
    .faq-q {
      width: 100%; display: flex; justify-content: space-between;
      align-items: center; padding: 28px 8px;
      background: none; border: none; cursor: pointer;
      font-family: inherit; font-size: 16px; font-weight: 500;
      color: #1B1D21; text-align: left; gap: 16px;
      transition: color 0.2s;
    }
    .faq-q:hover { color: #005AAA; }
    .faq-q-num {
      font-family: 'Manrope', sans-serif; font-weight: 700;
      font-size: 13px; letter-spacing: 0.1em;
      color: #005AAA; flex-shrink: 0; min-width: 32px;
    }
    .faq-q-text { flex: 1; }
    .faq-icon {
      flex-shrink: 0; width: 22px; height: 22px;
      position: relative; transition: transform 0.3s;
    }
    .faq-icon::before, .faq-icon::after {
      content: ''; position: absolute; background: #005AAA;
      transition: transform 0.3s, opacity 0.3s;
    }
    .faq-icon::before { width: 100%; height: 2px; top: 50%; left: 0; transform: translateY(-50%); }
    .faq-icon::after { width: 2px; height: 100%; left: 50%; top: 0; transform: translateX(-50%); }
    .faq-item.open .faq-icon::after { transform: translateX(-50%) rotate(90deg); opacity: 0; }
    .faq-a {
      font-size: 15px; color: #444;
      line-height: 1.85; padding: 0 8px 24px 50px;
      display: none;
    }
    .faq-item.open .faq-a { display: block; animation: faqFadeIn 0.3s ease-out both; }
    @keyframes faqFadeIn {
      from { opacity: 0; transform: translateY(-4px); }
      to { opacity: 1; transform: translateY(0); }
    }

    /* ─── CTA ─── */
    .cta-section { text-align: center; padding: 88px 0; }
    .cta-section .section-title { font-size: clamp(30px, 3.6vw, 44px); margin-bottom: 16px; }
    .cta-section-sub {
      font-size: 16px; color: #555;
      line-height: 2; margin-bottom: 48px; max-width: 580px;
      margin-left: auto; margin-right: auto;
    }
    .cta-points {
      display: flex; justify-content: center; gap: 32px;
      margin-bottom: 56px; flex-wrap: wrap;
    }
    .cta-point {
      font-size: 14px; color: #444; font-weight: 500;
      display: flex; align-items: center; gap: 10px;
    }
    .cta-point svg { width: 18px; height: 18px; color: #005AAA; flex-shrink: 0; }

    /* ─── Footer ─── */
    .site-footer {
      background: #0A1628; color: rgba(255,255,255,0.7);
      padding: 60px 0 32px;
    }
    .footer-inner {
      display: grid; grid-template-columns: 1fr auto;
      gap: 60px; margin-bottom: 40px;
      align-items: flex-start;
    }
    .footer-logo img { height: 30px; width: auto; opacity: 0.9; }
    .footer-catch {
      font-size: 13px; margin-top: 20px;
      line-height: 1.85; max-width: 320px;
      color: rgba(255,255,255,0.6);
    }
    .footer-nav {
      display: grid; grid-template-columns: repeat(2, auto);
      gap: 14px 36px;
    }
    .footer-nav a {
      font-size: 13.5px; color: rgba(255,255,255,0.7);
      text-decoration: none; transition: color 0.2s;
      letter-spacing: 0.04em;
    }
    .footer-nav a:hover { color: #ffcd00; }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.08);
      padding-top: 28px;
      display: flex; justify-content: space-between;
      align-items: center; font-size: 12px;
      letter-spacing: 0.04em;
    }
    .footer-copy { color: rgba(255,255,255,0.5); }
    .footer-sns { display: flex; gap: 20px; }
    .footer-sns a {
      color: rgba(255,255,255,0.55); text-decoration: none;
      font-size: 13px; transition: color 0.2s;
      display: flex; align-items: center; gap: 8px;
    }
    .footer-sns a:hover { color: #fff; }

    /* ─── Mobile fixed CTA ─── */
    .mobile-cta-bar { display: none; }

    /* ─── Reveal animation ─── */
    .reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.8s, transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1); }
    .reveal.in { opacity: 1; transform: translateY(0); }

    /* ─── Responsive ─── */
    @media (max-width: 980px) {
      .container, .container-narrow { padding: 0 32px; }
      .section { padding: 72px 0; }
      .section-num { top: 32px; right: 32px; }
      .hero-text { padding-left: 48px; max-width: 500px; }
      .hero-graphic { width: 72%; right: -12%; }
      /* 縦積みでは読み順を 見出し→図→チェックリスト にする */
      .problem-inner { grid-template-columns: 1fr; gap: 0; padding: 0 32px; }
      .problem-left { display: contents; }
      .problem-top { order: 1; }
      .problem-illust { order: 2; margin: 4px 0 32px; }
      .problem-list { order: 3; }
      .problem-illust img { max-width: 480px; margin: 0 auto; display: block; }
      .problem-grid { grid-template-columns: 1fr; }
      .steps { grid-template-columns: 1fr; gap: 20px; }
      .step-connector { display: none; }
      .achv-grid, .why-grid, .plans-grid { grid-template-columns: 1fr; gap: 20px; }
      .svc-inner { grid-template-columns: 1fr; gap: 40px; }
      .svc-sidebar { position: static; flex-direction: row; flex-wrap: wrap; gap: 24px; border-left: none; border-top: 2px solid #E0E4EB; padding-top: 24px; }
      .svc-cat { padding: 0; border-top: none !important; flex: 1 1 180px; }
      /* Achievements: stack cat above its pair on mobile */
      .achv-section .svc-inner { grid-template-columns: 1fr; column-gap: 0; row-gap: 0; }
      .achv-section .svc-cat {
        padding: 32px 0 24px !important;
        border-top: 1px solid #E0E4EB !important;
      }
      .achv-section .svc-inner > .svc-cat:first-child {
        padding-top: 0 !important;
        border-top: none !important;
      }
      .achv-section .svc-cat::before, .achv-section .svc-cat::after { display: none; }
      .achv-section .svc-pair > .svc-item:first-child { padding-top: 24px; }
      /* Why: stack rows, image above text */
      /* 縦積みでは読み順を 番号→見出し→図→本文 にする */
      .why-row { grid-template-columns: 1fr !important; gap: 0 !important; }
      .why-row .why-row-text { display: contents; }
      .why-row .why-row-num { order: 1; margin-bottom: 12px; }
      .why-row .why-row-title { order: 2; margin-bottom: 20px; }
      .why-row .why-row-img { order: 3; margin-bottom: 22px; }
      .why-row .why-row-desc { order: 4; }
      .why-row-img { aspect-ratio: 16 / 10; }
      /* Profile mobile */
      .footer-inner { grid-template-columns: 1fr; }
      .footer-nav { grid-template-columns: 1fr; gap: 12px; }
      .footer-bottom { flex-direction: column; gap: 14px; }
    }
    @media (max-width: 640px) {
      .container, .container-narrow { padding: 0 24px; }
      .site-header { padding: 0 20px; height: 64px; }
      .site-logo img { height: 24px; width: auto; display: block; }
      /* ナビは非表示。CTAは画面下の固定バーが常時出ているので重複させない */
      .site-nav { display: none; }
      /* 図が非表示のため、100svhだと下に大きな空白が出る。文章量に合わせる */
      .hero { height: auto; min-height: 0; padding: 122px 0 64px; }
      .hero-text { padding: 0 24px; max-width: 100%; }
      .hero-graphic { display: none; }
      .problem-inner { padding: 0 24px; }
      .problem-h2 { font-size: 34px; }
      .hero-h1 { font-size: 30px; line-height: 1.4; }
      .hero-sub { font-size: 14.5px; margin-bottom: 32px; }
      .hero-cta-wrap { flex-direction: column; align-items: stretch; gap: 12px; }
      .btn-primary { padding: 17px 28px; width: 100%; }
      .section { padding: 64px 0; }
      .problem-bridge { padding: 28px 24px; }
      .problem-bridge-main { font-size: 17px; }
      .step-card, .why-card, .achv-card { padding: 32px 26px; }
      .svc-item { gap: 18px; padding: 28px 0; }
      .achv-section .svc-list { grid-template-columns: 1fr; }
      .svc-num { font-size: 32px; width: 44px; }
      .why-row-num { font-size: 46px; }
      .why-row-title { font-size: 26px; }
      .why-footer-bracket { padding: 28px 32px; }
      .why-footer-bracket::before, .why-footer-bracket::after { width: 14px; }
      .why-footer-text { font-size: 14px; }
      .achv-cols { grid-template-columns: 1fr; }
      .achv-col { border-right: none; border-bottom: 1px solid #E0E4EB; padding: 0; }
      .achv-col:last-child { border-bottom: none; }
      .achv-diagram { flex-direction: column; gap: 24px; min-height: auto; padding: 28px 24px; }
      .achv-before, .achv-after { text-align: left; align-items: flex-start; }
      .achv-center { width: 100%; }
      .achv-diagram-svg { display: none; }
      .cta-points { gap: 14px; flex-direction: column; align-items: center; }
      .cta-section { padding: 80px 0; }
      /* PC用の改行を外し、長い説明文は左揃えで読ませる */
      .approach-sub br, .achv-lead br, .why-sub br, .step-sub br { display: none; }
      .approach-sub, .achv-lead, .why-sub { text-align: left; }
      .step-sub { text-align: left; }
      /* 装飾アイコンを縮めて縦を詰める */
      .step-icon { width: 76px; height: 76px; margin: 18px auto; }
      .step-icon svg { width: 34px; height: 34px; }
      .achv-section .svc-cat-icon { width: 44px; height: 44px; margin-bottom: 12px; }
      .achv-section .svc-cat-icon svg { width: 20px; height: 20px; }
      .plan-icon { width: 44px; height: 44px; margin-bottom: 16px; }
      .plan-icon svg { width: 20px; height: 20px; }
      .problem-illust img { max-width: 320px; }
      /* フッターのリンクに指のかかる高さを持たせる */
      .footer-nav { gap: 2px 32px; }
      .footer-nav a { display: inline-block; padding: 10px 0; }
      .mobile-cta-bar {
        display: block; position: fixed; bottom: 0; left: 0; width: 100%;
        padding: 10px 16px 14px; background: rgba(255,255,255,0.97);
        backdrop-filter: blur(10px);
        border-top: 1px solid #E0E4EB; z-index: 200;
      }
      .mobile-cta-bar a {
        display: block; width: 100%; background: #005AAA; color: #fff;
        text-align: center; padding: 16px; border-radius: 4px;
        font-weight: 700; font-size: 15px; text-decoration: none;
        letter-spacing: 0.06em;
      }
      body.has-mobile-cta { padding-bottom: 76px; }
    }