* { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }

    .visually-hidden {
      position: absolute;
      width: 1px;
      height: 1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      white-space: nowrap;
    }

    body {
      font-family: 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', sans-serif;
      color: #242424;
      background: #fff;
      font-size: 16px;
      line-height: 1.7;
    }

    .lp-card {
      max-width: 1200px;
      margin: 0 auto;
    }

    .container {
      max-width: 100%;
      margin: 0 auto;
      padding: 0 32px;
    }

    /* ━━━━━━━━━━━━━━━━━━━━━━━━━━
       ヘッダー
    ━━━━━━━━━━━━━━━━━━━━━━━━━━ */
    .site-header {
      background: #fff;
      border-bottom: 1px solid #eeebe6;
      padding: 14px 40px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .site-header a {
      display: flex;
      align-items: center;
    }

    .site-header img {
      height: 32px;
      width: auto;
    }

    /* ━━━━━━━━━━━━━━━━━━━━━━━━━━
       ヒーロー
    ━━━━━━━━━━━━━━━━━━━━━━━━━━ */
    .hero {
      display: block;
      line-height: 0;
    }

    .hero-kv-img {
      width: 100%;
      height: auto;
      display: block;
    }

    .btn-hero {
      display: inline-block;
      background: #df402f;
      color: #fff;
      font-size: 18px;
      font-weight: bold;
      padding: 20px 56px;
      border-radius: 100px;
      text-decoration: none;
      letter-spacing: 0.03em;
      transition: transform 0.15s, box-shadow 0.15s;
      box-shadow: 0 4px 24px rgba(0,0,0,0.15);
    }
    .btn-hero:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(0,0,0,0.2);
    }

    .hero-note {
      margin-top: 14px;
      font-size: 12px;
      color: rgba(255,255,255,0.35);
    }

    /* ━━━━━━━━━━━━━━━━━━━━━━━━━━
       差の訴求帯
    ━━━━━━━━━━━━━━━━━━━━━━━━━━ */
    .diff-band {
      background: #fff;
      padding: 88px 32px;
      text-align: center;
    }

    .diff-band-inner {
      max-width: 680px;
      margin: 0 auto;
    }

    .diff-band-label {
      display: inline-block;
      font-size: 11px;
      font-weight: bold;
      letter-spacing: 0.18em;
      color: #c8c8c8;
      margin-bottom: 20px;
    }

    .diff-band-heading {
      font-family: 'M PLUS Rounded 1c', sans-serif;
      font-size: 26px;
      font-weight: bold;
      color: #242424;
      margin-bottom: 20px;
      line-height: 1.45;
    }

    .diff-band-divider {
      width: 32px;
      height: 2px;
      background: #AF7700;
      margin: 0 auto 20px;
    }

    .diff-band-body {
      font-size: 15px;
      color: #6e6e6e;
      line-height: 1.9;
    }

    .diff-band-body strong {
      color: #df402f;
      font-weight: bold;
    }

    /* ━━━━━━━━━━━━━━━━━━━━━━━━━━
       M PLUS Rounded 1c アンチエイリアス
    ━━━━━━━━━━━━━━━━━━━━━━━━━━ */
    .hero-badge, .hero-title, .hero-title-outline, .hero-subtitle,
    .diff-band-heading,
    .hack-label-sub, .hack-title, .hack-tagline,
    .coupon-name, .purchase-card-title,
    .sim-headline h2, .sim-col-title,
    .final-cta-title {
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    /* ━━━━━━━━━━━━━━━━━━━━━━━━━━
       ハック共通
    ━━━━━━━━━━━━━━━━━━━━━━━━━━ */
    .hack-section {
      padding: 96px 32px;
    }

    .hack-label {
      font-size: 14px;
      font-weight: bold;
      letter-spacing: 0.1em;
      margin-bottom: 32px;
      display: flex;
      align-items: center;
      gap: 12px;
      color: #df402f;
    }

    .hack-label-num {
      display: inline-flex;
      align-items: center;
      background: currentColor;
      letter-spacing: 0.12em;
      padding: 4px 12px;
      border-radius: 100px;
      color: inherit;
    }

    .hack-label-num span {
      color: #fff;
      font-size: 12px;
      font-weight: bold;
      letter-spacing: 0.14em;
    }

    .hack-label-sub {
      font-family: 'M PLUS Rounded 1c', sans-serif;
      font-size: 20px;
      font-weight: bold;
      letter-spacing: 0.05em;
      color: currentColor;
    }

    .hack-heading .hack-label {
      position: relative;
      padding-left: 17px;
    }
    .hack-heading .hack-label::before {
      content: '';
      position: absolute;
      left: 0;
      top: 0;
      bottom: 0;
      width: 5px;
      background: #df402f;
      border-radius: 100px;
    }

    .hack-title {
      font-family: 'M PLUS Rounded 1c', sans-serif;
      font-size: 36px;
      font-weight: bold;
      line-height: 1.25;
      margin-bottom: 24px;
      position: relative;
    }

    .hack-lead {
      font-size: 15px;
      color: #6e6e6e;
      line-height: 1.85;
      margin-bottom: 36px;
      max-width: 500px;
    }

    /* ━━━━━━━━━━━━━━━━━━━━━━━━━━
       HACK 1 — 左右レイアウト
    ━━━━━━━━━━━━━━━━━━━━━━━━━━ */
    .review { background: #fff; }

    .hack-tagline {
      font-family: 'M PLUS Rounded 1c', sans-serif;
      font-size: 18px;
      font-weight: bold;
      color: #242424;
      margin-bottom: 14px;
      letter-spacing: 0.02em;
    }

    .review-inner {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 72px;
      align-items: center;
    }

    .flow-b {
      display: flex;
      flex-direction: column;
    }

    .flow-b-step {
      display: flex;
      align-items: flex-start;
      gap: 16px;
    }

    .flow-b-left {
      display: flex;
      flex-direction: column;
      align-items: center;
      flex-shrink: 0;
    }

    .flow-b-num {
      width: 40px;
      height: 40px;
      background: #df402f;
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
      font-weight: bold;
    }

    .flow-b-line {
      width: 2px;
      height: 20px;
      background: #e8e4e0;
      margin: 4px 0;
    }

    .flow-b-text {
      background: #fff;
      border-radius: 10px;
      padding: 12px 16px;
      margin-bottom: 8px;
      flex: 1;
    }

    .flow-b-text strong {
      display: block;
      font-size: 15px;
      font-weight: bold;
      margin-bottom: 4px;
    }

    .flow-b-text span {
      font-size: 13px;
      color: #6e6e6e;
      line-height: 1.6;
    }

    .flow-c {
      display: flex;
      flex-direction: column;
      gap: 20px;
      position: relative;
    }

    .flow-c::before {
      content: '';
      position: absolute;
      left: 23px;
      top: 24px;
      bottom: 24px;
      width: 2px;
      background: linear-gradient(to bottom, #df402f, #AF7700);
    }

    .flow-c-step {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .flow-c-dot {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      border: 2px solid #df402f;
      background: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      font-weight: bold;
      font-family: 'M PLUS Rounded 1c', sans-serif;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      color: #df402f;
      flex-shrink: 0;
      position: relative;
      z-index: 1;
    }

    .flow-c-dot--last {
      border-color: #AF7700;
      color: #AF7700;
    }

    .flow-c-content strong {
      display: block;
      font-size: 17px;
      font-weight: bold;
      margin-bottom: 0;
    }

    .flow-c-content span {
      font-size: 14px;
      color: #6e6e6e;
      line-height: 1.6;
    }

    .review-visual {
      background: #fdfbf1;
      border-radius: 12px;
      padding: 32px 28px;
      display: flex;
      flex-direction: column;
    }

    .flow-step {
      display: flex;
      align-items: flex-start;
      gap: 18px;
    }

    .flow-step-left {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 0;
      flex-shrink: 0;
    }

    .flow-num {
      width: 36px;
      height: 36px;
      background: #242424;
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 13px;
      font-weight: bold;
      flex-shrink: 0;
    }

    .flow-line {
      width: 1px;
      flex: 1;
      min-height: 32px;
      background: #e0e0e0;
      margin: 6px 0;
    }

    .flow-arrow {
      display: none;
    }

    .flow-text {
      padding-top: 4px;
      padding-bottom: 28px;
    }

    .flow-step:last-child .flow-text {
      padding-bottom: 0;
    }

    .flow-text {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      flex: 1;
      padding-bottom: 28px;
    }

    .flow-step:last-child .flow-text {
      padding-bottom: 0;
    }

    .flow-text-content {
      flex: 1;
    }

    .flow-text strong {
      display: block;
      font-size: 15px;
      font-weight: bold;
      margin-bottom: 4px;
    }

    .flow-text span {
      font-size: 13px;
      color: #6e6e6e;
      line-height: 1.6;
    }

    .flow-icon-wrap {
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .flow-icon,
    .flow-icon-wrap svg {
      width: 52px !important;
      height: 52px !important;
      color: #c8c8c8;
      stroke-width: 1 !important;
    }

    .btn-outline {
      display: inline-block;
      border: 2px solid #242424;
      background: #242424;
      color: #fff;
      font-size: 16px;
      font-weight: bold;
      padding: 14px 32px;
      border-radius: 100px;
      text-decoration: none;
      transition: transform 0.15s, box-shadow 0.15s;
      box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    }
    .btn-outline:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.15); }
    .btn-outline--red { background: #df402f; color: #fff; border-color: #df402f; }
    .btn-outline--green { background: #df402f; color: #fff; border-color: #df402f; }
    .btn-outline--orange { background: #df402f; color: #fff; border-color: #df402f; }

    /* ━━━━━━━━━━━━━━━━━━━━━━━━━━
       HACK 2 — フル幅・強調
    ━━━━━━━━━━━━━━━━━━━━━━━━━━ */
    .mission {
      background: #fff;
      color: #242424;
      padding: 96px 32px;
    }

    .mission .hack-label-num span { color: #fff; }
    .mission .hack-title { color: #242424; }
    .mission .hack-lead { color: #6e6e6e; max-width: 100%; }
    .coupon .hack-lead { max-width: 100%; }

    /* カルーセルナビ — PCでは非表示 */
    .mission-carousel-nav { display: none; }

    .mission-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-bottom: 32px;
    }
    .mission-slide {
      display: flex;
      flex-direction: column;
    }

    .mission-panel {
      border-radius: 12px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      position: relative;
    }
    .mission-panel::after {
      content: '';
      position: absolute;
      inset: 0;
      border: 3px solid var(--mission-border, transparent);
      border-radius: 12px;
      pointer-events: none;
      z-index: 10;
    }

    .mission-panel-head {
      padding: 18px 28px;
      text-align: center;
    }

    .mission-panel-head-title {
      font-family: 'M PLUS Rounded 1c', sans-serif;
      font-size: 22px;
      font-weight: bold;
      margin-bottom: 2px;
      color: #fff;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    .mission-panel-head-sub {
      font-size: 13px;
      color: rgba(255,255,255,0.85);
    }

    .mission-panel-body {
      padding: 12px 20px;
      flex: 1;
      background: #fff;
    }

    /* ミッションパネル テーマカラー */
    .mission-panel--family {
      --mission-border: #00AE81;
      --mission-color: #00AE81;
    }
    .mission-panel--reward {
      --mission-border: #d69000;
      --mission-color: #d69000;
    }
    .mission-panel-head {
      background: var(--mission-color);
    }
    .mission-row-pt {
      font-size: 18px;
      font-weight: bold;
      white-space: nowrap;
      margin-left: 16px;
      color: var(--mission-color);
    }
    .mission-row-pt .pt-note {
      font-size: 0.65em;
      font-weight: bold;
    }

    .mission-row {
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 12px 0;
      border-bottom: 1px solid #eeebe6;
    }
    .mission-row:last-child { border-bottom: none; }

    .mission-icon-wrap {
      width: 48px;
      height: 48px;
      flex-shrink: 0;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .mission-icon-wrap svg {
      width: 48px !important;
      height: 48px !important;
    }
    .mission-icon-wrap img {
      width: 48px;
      height: 48px;
      object-fit: contain;
    }

    .mission-row-content {
      flex: 1;
      min-width: 0;
    }

    .mission-row-name {
      font-size: 15px;
      font-weight: bold;
      color: #242424;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .mission-row-desc {
      font-size: 12px;
      color: #6e6e6e;
      margin-top: 2px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }


    .mission-benefit-bar {
      background: #fff;
      border-radius: 8px;
      padding: 12px 16px;
      font-size: 14px;
      font-weight: bold;
      margin-top: 16px;
      color: #242424;
      text-align: center;
    }
    .mission-benefit-bar span {
      background: linear-gradient(transparent 52%, rgba(255, 220, 0, 0.32) 52%);
      padding: 0 2px;
    }

    .btn-hero-white {
      display: inline-block;
      background: #fff;
      color: #242424;
      font-size: 17px;
      font-weight: bold;
      padding: 18px 52px;
      border-radius: 100px;
      text-decoration: none;
      transition: transform 0.15s, box-shadow 0.15s;
    }
    .btn-hero-white:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.15); }

    /* ━━━━━━━━━━━━━━━━━━━━━━━━━━
       HACK 3 — クーポン
    ━━━━━━━━━━━━━━━━━━━━━━━━━━ */
    .coupon { background: #fff; border-top: 1px solid #eeebe6; }

    .coupon-inner {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }

    .coupon-stack {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .coupon-card {
      background: #fff;
      border-radius: 12px;
      padding: 24px 28px;
      display: flex;
      align-items: center;
      gap: 24px;
      flex: 1;
      text-decoration: none;
      color: inherit;
      box-shadow: 0 2px 12px rgba(0,0,0,0.08);
      transition: transform 0.15s, box-shadow 0.15s;
    }
    .coupon-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 8px 24px rgba(0,0,0,0.13);
    }
    .coupon-card .btn-outline {
      pointer-events: none;
    }

    .coupon-off {
      font-size: 40px;
      font-weight: bold;
      line-height: 1;
      white-space: nowrap;
      width: 120px;
      flex-shrink: 0;
      text-align: center;
    }

    .coupon-off-unit {
      font-size: 16px;
      font-weight: bold;
    }

    .coupon-divider {
      width: 1px;
      height: 52px;
      background: #f2f2f2;
      flex-shrink: 0;
    }

    .coupon-name {
      font-family: 'M PLUS Rounded 1c', sans-serif;
      font-size: 20px;
      font-weight: bold;
      margin-bottom: 4px;
    }

    .coupon-desc {
      font-size: 14px;
      color: #6e6e6e;
      line-height: 1.6;
    }

    /* クーポンセクション ユーティリティ */
    .hack-lead--tight { margin-bottom: 12px; }
    .note-sm { font-size: 12px; color: #6e6e6e; }
    .note-xs { font-size: 11px; color: #6e6e6e; margin-top: 6px; line-height: 1.5; }
    .coupon-card-inner { flex: 1; }
    .coupon-card .btn-outline { margin-top: 12px; }

    /* シミュレーション ユーティリティ */
    .sim-burden-label {
      font-size: 13px;
      color: #242424;
      text-align: center;
      margin-bottom: 6px;
    }

    /* ━━━━━━━━━━━━━━━━━━━━━━━━━━
       HACK 4 — 超特割
    ━━━━━━━━━━━━━━━━━━━━━━━━━━ */
    .purchase { background: #fff; }

    .purchase-header {
      margin-bottom: 48px;
    }

    .purchase-cards {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      margin-bottom: 40px;
    }

    .purchase-card {
      background: #fff;
      border-radius: 12px;
      padding: 28px;
      display: flex;
      flex-direction: column;
      gap: 20px;
      text-decoration: none;
      color: inherit;
      box-shadow: 0 2px 12px rgba(0,0,0,0.08);
      transition: transform 0.15s, box-shadow 0.15s;
    }
    .purchase-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 8px 24px rgba(0,0,0,0.13);
    }

    .purchase-card-title {
      display: block;
      font-family: 'M PLUS Rounded 1c', sans-serif;
      font-size: 20px;
      font-weight: bold;
      line-height: 1.5;
      color: #242424;
    }

    .purchase-card-mid {
      display: flex;
      flex: 1;
      gap: 24px;
      align-items: center;
    }

    .purchase-card-text {
      flex: 1;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .purchase-card-desc {
      font-size: 14px;
      color: #6e6e6e;
      line-height: 1.6;
    }

    .purchase-card-img-wrap {
      flex: 0 0 44%;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .purchase-card-img {
      width: 100%;
      height: 160px;
      object-fit: cover;
      object-position: top;
      border-radius: 10px;
      display: block;
    }

    .purchase-card-img--mockup {
      width: 88%;
      height: auto;
      object-fit: contain;
      margin: 0 auto;
      display: block;
    }

    .purchase-card-img-wrap--overflow {
      margin-top: -52px;
    }

    .purchase-card-placeholder {
      width: 100%;
      background: #e4e0db;
      border-radius: 10px;
      min-height: 120px;
    }

    .purchase .btn-outline {
      align-self: center;
      pointer-events: none;
    }

    .stat-block {
      text-align: center;
      background: #fff5f4;
      border-radius: 12px;
      padding: 48px 32px;
    }

    .stat-label {
      font-size: 13px;
      color: #6e6e6e;
      margin-bottom: 8px;
    }

    .stat-num {
      font-size: 80px;
      font-weight: bold;
      color: #df402f;
      line-height: 1;
      margin-bottom: 4px;
    }

    .stat-unit {
      font-size: 22px;
      font-weight: bold;
      color: #df402f;
    }

    .stat-sub {
      font-size: 14px;
      color: #6e6e6e;
      margin-top: 8px;
    }

    .benefit-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-bottom: 32px;
    }

    .benefit-item {
      display: flex;
      gap: 14px;
      align-items: flex-start;
    }

    .benefit-dot {
      width: 8px;
      height: 8px;
      background: #df402f;
      border-radius: 50%;
      flex-shrink: 0;
      margin-top: 8px;
    }

    .benefit-text strong {
      display: block;
      font-size: 15px;
      font-weight: bold;
      margin-bottom: 2px;
    }

    .benefit-text span {
      font-size: 13px;
      color: #4a4a4a;
    }

    /* ━━━━━━━━━━━━━━━━━━━━━━━━━━
       シミュレーション
    ━━━━━━━━━━━━━━━━━━━━━━━━━━ */
    .simulation {
      background: #fdfbf1;
      border-radius: 12px;
      padding: 80px 56px;
      margin: 0 64px 0;
    }

    .sim-headline {
      text-align: center;
      margin-bottom: 48px;
    }

    .sim-headline h2 {
      font-family: 'M PLUS Rounded 1c', sans-serif;
      font-size: 34px;
      font-weight: bold;
      margin-bottom: 0;
    }

    .sim-headline p {
      font-size: 16px;
      color: #6e6e6e;
      line-height: 1.7;
    }

    .sim-table-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      align-items: stretch;
      margin-bottom: 28px;
    }

    .sim-col {
      border-radius: 12px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      position: relative;
    }
    .sim-col::after {
      content: '';
      position: absolute;
      inset: 0;
      border: 3px solid var(--sim-border, transparent);
      border-radius: 12px;
      pointer-events: none;
      z-index: 10;
    }
    .sim-col.before { --sim-border: #6e6e6e; }
    .sim-col.after  { --sim-border: #df402f; }

    .sim-col-header {
      padding: 18px 28px;
      text-align: center;
    }
    .sim-col.before .sim-col-header { background: #6e6e6e; }
    .sim-col.after  .sim-col-header { background: #df402f; }

    .sim-col-title {
      font-family: 'M PLUS Rounded 1c', sans-serif;
      font-size: 17px;
      font-weight: bold;
      color: #fff;
    }

    .sim-col-body {
      background: #fff;
      padding: 24px 28px 32px;
      flex: 1;
    }

    .sim-arrow-col {
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      color: #6e6e6e;
    }

    .sim-col-total {
      font-size: 40px;
      font-weight: bold;
      margin-bottom: 24px;
      line-height: 1;
      text-align: center;
    }
    .sim-col-total .yen {
      font-size: 26px;
      vertical-align: baseline;
    }

    .sim-col.before .sim-col-total { color: #242424; }
    .sim-col.after .sim-col-total { color: #df402f; }

    .sim-rows { border-top: 1px solid #f2f2f2; }

    .sim-row {
      display: flex;
      justify-content: space-between;
      font-size: 15px;
      padding: 10px 0;
      border-bottom: 1px solid #eeebe6;
      color: #242424;
    }
    .sim-row:last-child { border-bottom: none; }

    .sim-row.discount { color: #df402f; font-weight: bold; }

    .sim-row .crossed {
      text-decoration: line-through;
      color: #999;
      font-size: 12px;
      margin-right: 4px;
    }

    .sim-saving-banner {
      text-align: center;
      background: #fdfbf1;
      border-radius: 12px;
      padding: 28px 20px 24px;
      margin-top: 24px;
    }

    .sim-saving-divider {
      display: block;
      text-align: center;
      margin-bottom: 20px;
      color: #6e6e6e;
      font-size: 14px;
      letter-spacing: 0.08em;
    }

    .sim-saving-main {
      font-size: 44px;
      font-weight: bold;
      line-height: 1;
      display: flex;
      align-items: baseline;
      justify-content: center;
      gap: 2px;
      margin-bottom: 10px;
    }
    .sim-saving-main .yen { font-size: 30px; }
    .sim-saving-main .mo { font-size: 30px; color: #242424; }
    .sim-saving-main .suffix { font-size: 44px; color: #242424; }

    .sim-saving-sub {
      font-size: 18px;
      color: #242424;
      margin-top: 16px;
    }

    /* ━━━━━━━━━━━━━━━━━━━━━━━━━━
       最終CTA
    ━━━━━━━━━━━━━━━━━━━━━━━━━━ */
    .final-cta {
      background: #fff;
      color: #242424;
      padding: 96px 32px;
      text-align: center;
    }

    .final-cta-title {
      font-family: 'M PLUS Rounded 1c', sans-serif;
      font-size: 34px;
      font-weight: bold;
      margin-bottom: 12px;
      line-height: 1.3;
    }

    .final-cta-sub {
      font-size: 16px;
      color: #666;
      margin-bottom: 40px;
      line-height: 1.7;
    }

    .btn-cta-final {
      display: inline-block;
      background: #df402f;
      color: #fff;
      font-size: 18px;
      font-weight: bold;
      padding: 20px 60px;
      border-radius: 100px;
      text-decoration: none;
      box-shadow: 0 4px 24px rgba(0,0,0,0.2);
      transition: transform 0.15s, box-shadow 0.15s;
    }
    .btn-cta-final:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,0,0,0.25); }

    .final-cta-note {
      font-size: 12px;
      color: #999;
      margin-top: 16px;
    }

    /* ━━━━━━━━━━━━━━━━━━━━━━━━━━
       フッター
    ━━━━━━━━━━━━━━━━━━━━━━━━━━ */
    footer {
      background: #242424;
      color: #fff;
      font-size: 12px;
      text-align: center;
      padding: 24px;
    }

    /* ━━━━━━━━━━━━━━━━━━━━━━━━━━
       セクション区切り
    ━━━━━━━━━━━━━━━━━━━━━━━━━━ */
    .section-divider {
      height: 1px;
      background: #eeebe6;
    }

    /* ── アイコン共通 ── */
    .btn-hero i,
    .btn-outline i,
    .btn-hero-white i,
    .btn-cta-final i {
      width: 18px;
      height: 18px;
      vertical-align: middle;
      flex-shrink: 0;
    }

    .btn-hero,
    .btn-outline,
    .btn-hero-white,
    .btn-cta-final {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .mission-row-content {
      flex: 1;
    }

    .mission-row-name {
      display: flex;
      align-items: center;
      gap: 7px;
    }

    .flow-icon {
      width: 18px;
      height: 18px;
      flex-shrink: 0;
      opacity: 0.5;
    }

    .coupon-icon {
      width: 22px;
      height: 22px;
      flex-shrink: 0;
    }

    .coupon-name {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .benefit-dot-wrap {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .benefit-dot-wrap i {
      width: 18px;
      height: 18px;
      flex-shrink: 0;
    }

    .sp-br { display: none; }

    /* ━━━━━━━━━━━━━━━━━━━━━━━━━━
       スティッキーナビ
    ━━━━━━━━━━━━━━━━━━━━━━━━━━ */
    .sticky-sentinel {
      height: 0;
    }

    .sticky-nav {
      position: sticky;
      top: 0;
      width: 100%;
      z-index: 100;
    }

    .sticky-nav::before {
      content: '';
      position: absolute;
      inset: 0;
      background: rgba(255,255,255,0.95);
      backdrop-filter: blur(8px);
      border-top: 1px solid #eeebe6;
      border-bottom: 1px solid #eeebe6;
      transition: left 0.3s ease, right 0.3s ease, box-shadow 0.3s ease;
      z-index: -1;
    }

    .sticky-nav.is-stuck::before {
      left: calc((100% - 100vw) / 2);
      right: calc((100% - 100vw) / 2);
      box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    }

    .sticky-nav-inner {
      max-width: 100%;
      margin: 0 auto;
      padding: 0;
      display: flex;
      align-items: stretch;
      gap: 0;
    }

    .sticky-nav-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex: 1;
      font-size: 16px;
      font-weight: bold;
      color: #6e6e6e;
      text-decoration: none;
      padding: 18px 8px;
      border-bottom: 3px solid transparent;
      transition: color 0.15s, border-color 0.15s;
      white-space: nowrap;
    }

    .sticky-nav-btn:hover {
      color: #242424;
    }

    .sticky-nav-btn.is-active {
      color: #df402f;
      border-bottom-color: #df402f;
    }

    /* ━━━━━━━━━━━━━━━━━━━━━━━━━━
       PC（769px以上）フォントサイズアップ
    ━━━━━━━━━━━━━━━━━━━━━━━━━━ */
    @media (min-width: 769px) {
      .hero-title        { font-size: 68px; }
      .hero-subtitle     { font-size: 22px; }
      .diff-band-heading { font-size: 32px; }
      .hack-title        { font-size: 48px; }
      .hack-lead         { font-size: 16px; }
      .hack-tagline      { font-size: 20px; }
      .hack-label-sub    { font-size: 20px; }
      .sim-headline h2   { font-size: 42px; }
      .final-cta-title   { font-size: 42px; }
      .final-cta-sub     { font-size: 18px; }
    }

    @media (max-width: 768px) {
      .sticky-nav-inner {
        padding: 0;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
      }
      .sticky-nav-inner::-webkit-scrollbar { display: none; }
      .sticky-nav-btn {
        font-size: 12px;
        padding: 14px 4px;
        flex: 1;
      }
    }

    /* ━━━━━━━━━━━━━━━━━━━━━━━━━━
       レスポンシブ（〜768px）
    ━━━━━━━━━━━━━━━━━━━━━━━━━━ */
    @media (max-width: 768px) {

      /* 共通 */
      .container {
        padding: 0;
      }

      /* ヘッダー */
      .site-header {
        padding: 12px 16px;
      }

      .sp-br { display: inline; }

      /* ヒーロー */
      .hero {
        padding: 0;
      }
      .hero-title {
        font-size: 26px;
        letter-spacing: -0.01em;
      }
      .hero-subtitle {
        font-size: 14px;
        margin-bottom: 28px;
      }
      .btn-hero {
        font-size: 16px;
        padding: 15px 32px;
      }

      /* 差の訴求帯 */
      .diff-band {
        padding: 60px 16px;
      }
      .diff-band-heading {
        font-size: 20px;
      }
      .diff-band-body {
        font-size: 14px;
      }

      /* ハック共通 */
      .hack-section {
        padding: 48px 16px;
      }
      .hack-title {
        font-size: 28px;
        margin-bottom: 16px;
      }
      .hack-label {
        margin-bottom: 20px;
      }
      .hack-lead {
        font-size: 14px;
        margin-bottom: 28px;
        max-width: 100%;
      }
      .hack-tagline {
        font-size: 16px;
      }

      /* HACK 1 */
      .review-inner {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .review .btn-outline {
        display: flex;
        width: fit-content;
        margin: 0 auto;
      }
      .coupon-card .btn-outline {
        display: flex;
        width: fit-content;
        margin: var(--coupon-btn-margin-top, 20px) auto 0;
      }

      /* HACK 2 */
      .mission {
        padding: 48px 16px;
      }
      /* カルーセル */
      .mission-carousel-outer {
        overflow: hidden;
        border-radius: 12px;
      }
      .mission-grid {
        display: flex;
        gap: 0;
        margin-bottom: 0;
        transition: transform 0.3s ease;
      }
      .mission-slide {
        flex: 0 0 100%;
      }
      .mission-panel {
        border-radius: 0;
      }
      .mission-carousel-nav {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 16px;
        margin-top: 16px;
        margin-bottom: 0;
      }
      .mission-cta-wrap {
        margin-top: 24px !important;
      }
      .mission-carousel-btn {
        width: 40px; height: 40px;
        border-radius: 50%;
        border: 2px solid #df402f;
        background: #fff;
        color: #df402f;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: background 0.15s, color 0.15s;
        -webkit-tap-highlight-color: transparent;
        padding: 0;
      }
      .mission-carousel-btn i {
        width: 20px; height: 20px;
        display: flex;
      }
      .mission-carousel-btn svg {
        width: 20px; height: 20px;
        stroke: currentColor;
      }
      .mission-carousel-btn:active { background: #df402f; color: #fff; }
      .mission-carousel-btn:disabled { opacity: 0.3; }
      .mission-carousel-dots {
        display: flex;
        gap: 8px;
        align-items: center;
      }
      .mission-dot {
        width: 8px; height: 8px;
        border-radius: 50%;
        background: #ddd;
        transition: background 0.2s, transform 0.2s;
      }
      .mission-dot.active {
        background: #df402f;
        transform: scale(1.25);
      }
      .mission-panel-head {
        padding: 18px 16px;
      }
      .mission-panel-head-title {
        font-size: 20px;
      }
      .mission-panel-body {
        padding: 8px 16px;
      }
      .mission-row-pt {
        font-size: 15px;
        margin-left: 8px;
      }
      .mission-row-name {
        white-space: normal;
      }
      .mission-row-desc {
        white-space: normal;
      }
      .mission-icon-wrap {
        width: 36px;
        height: 36px;
      }
      .mission-icon-wrap svg,
      .mission-icon-wrap img {
        width: 36px !important;
        height: 36px !important;
      }
      .btn-hero-white {
        width: 100%;
        text-align: center;
        justify-content: center;
        padding: 15px 24px;
        font-size: 15px;
      }

      /* HACK 3 */
      .coupon-inner {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .coupon-inner .coupon-stack { order: 2; }
      .coupon-inner > div:first-child { order: 1; }
      .coupon-card {
        padding: 18px 16px;
        gap: 16px;
      }
      .coupon-off {
        font-size: 32px;
        width: 96px;
      }

      /* HACK 4 */
      .purchase-header {
        margin-bottom: 0;
      }
      .purchase-cards {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-bottom: 0;
      }
      .purchase-card-mid {
        flex-direction: column;
        gap: 16px;
      }
      .purchase-card-img-wrap {
        flex: none;
        width: 100%;
      }
      .purchase-card-img-wrap--overflow {
        margin-top: 0;
      }
      .purchase-card-img--mockup {
        width: 40%;
      }
      .purchase .btn-outline {
        align-self: center;
      }
      .stat-block {
        padding: 36px 24px;
      }
      .stat-num {
        font-size: 64px;
      }

      /* シミュレーション */
      .simulation {
        padding: 48px 16px;
        margin: 0;
      }
      .sim-headline h2 {
        font-size: 28px;
        line-height: 1.2;
        margin-bottom: 12px;
      }
      .sim-headline {
        margin-bottom: 32px;
      }
      .sim-table-wrap {
        grid-template-columns: 1fr;
        margin-bottom: 0;
      }

      .sim-col-total {
        font-size: 32px;
        margin-bottom: 14px;
      }
      .sim-col-total .yen {
        font-size: 20px;
      }
      .sim-before-spacer {
        display: none;
      }
      .sim-col-header {
        padding: 10px 14px;
      }
      .sim-col-body {
        padding: 20px 14px;
      }
      .sim-row {
        font-size: 13px;
      }
      .sim-saving-main {
        font-size: 36px;
      }
      .sim-saving-main .yen { font-size: 24px; }
      .sim-saving-main .mo  { font-size: 24px; }
      .sim-saving-main .suffix { font-size: 36px; }
      .sim-saving-sub {
        font-size: 14px;
      }

      /* 最終CTA */
      .final-cta {
        padding: 64px 16px;
      }
      .final-cta-title {
        font-size: 22px;
      }
      .final-cta-sub {
        font-size: 14px;
        margin-bottom: 28px;
      }
      .btn-cta-final {
        width: 100%;
        justify-content: center;
        font-size: 14px;
        padding: 16px 24px;
      }

    }