:root {
      --red: #E31414;
      --red-dark: #B50000;
      --red-light: #FF2020;
      --white: #FFFFFF;
      --off-white: #F8F8F8;
      --black: #111111;
      --gray: #555555;
      --gray-light: #EEEEEE;
      --border: #E0E0E0;
    }

    * { margin: 0; padding: 0; box-sizing: border-box; }

    html { scroll-behavior: smooth; }

    body {
      font-family: 'Noto Sans JP', sans-serif;
      color: var(--black);
      background: var(--white);
      overflow-x: hidden;
    }

    /* ===== HEADER ===== */
    header {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 1000;
      background: var(--white);
      border-bottom: 3px solid var(--red);
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 24px;
      height: 64px;
      box-shadow: 0 2px 16px rgba(0,0,0,0.10);
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
    }

    .logo-mark {
      width: 40px;
      height: 40px;
      background: var(--red);
      color: #fff;
      font-family: 'Bebas Neue', sans-serif;
      font-size: 22px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 6px;
      letter-spacing: 1px;
    }

    .logo-text {
      display: flex;
      flex-direction: column;
    }

    .logo-name {
      font-family: 'Bebas Neue', sans-serif;
      font-size: 22px;
      color: var(--red);
      letter-spacing: 2px;
      line-height: 1;
    }

    .logo-sub {
      font-size: 9px;
      color: var(--gray);
      letter-spacing: 0.5px;
    }

    .header-actions {
      display: flex;
      gap: 8px;
      align-items: center;
    }

    .btn-line {
      background: #06C755;
      color: #fff;
      padding: 8px 16px;
      border-radius: 6px;
      font-size: 13px;
      font-weight: 700;
      text-decoration: none;
      display: flex;
      align-items: center;
      gap: 6px;
      transition: opacity 0.2s;
    }

    .btn-line:hover { opacity: 0.85; }

    .btn-tel {
      background: var(--red);
      color: #fff;
      padding: 8px 16px;
      border-radius: 6px;
      font-size: 13px;
      font-weight: 700;
      text-decoration: none;
      display: flex;
      align-items: center;
      gap: 6px;
      transition: opacity 0.2s;
    }

    .btn-tel:hover { opacity: 0.85; }

    nav {
      display: none;
    }

    @media (min-width: 768px) {
      nav {
        display: flex;
        gap: 2px;
      }

      nav a {
        text-decoration: none;
        color: var(--gray);
        font-size: 13px;
        font-weight: 500;
        padding: 8px 10px;
        border-radius: 4px;
        transition: color 0.2s, background 0.2s;
      }

      nav a:hover {
        color: var(--red);
        background: rgba(227,20,20,0.06);
      }
    }

    /* ===== HERO ===== */
    .hero {
      margin-top: 64px;
      background: var(--black);
      position: relative;
      overflow: hidden;
      min-height: 520px;
      display: flex;
      align-items: center;
    }

    .hero-bg {
      position: absolute;
      inset: 0;
      background:
        repeating-linear-gradient(
          45deg,
          transparent,
          transparent 40px,
          rgba(227,20,20,0.04) 40px,
          rgba(227,20,20,0.04) 80px
        ),
        linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #0d0d0d 100%);
    }

    .hero-accent {
      position: absolute;
      right: -100px;
      top: -100px;
      width: 500px;
      height: 500px;
      background: radial-gradient(circle, rgba(227,20,20,0.20) 0%, transparent 70%);
    }

    .hero-content {
      position: relative;
      z-index: 2;
      padding: 60px 24px;
      max-width: 1200px;
      margin: 0 auto;
      width: 100%;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--red);
      color: #fff;
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 2px;
      padding: 6px 16px;
      margin-bottom: 20px;
      clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 50%, calc(100% - 10px) 100%, 0 100%);
    }

    .hero-h1 {
      font-family: 'Oswald', 'Noto Sans JP', sans-serif;
      font-size: clamp(32px, 8vw, 72px);
      font-weight: 700;
      color: #fff;
      line-height: 1.1;
      margin-bottom: 12px;
    }

    .hero-h1 span {
      color: var(--red-light);
    }

    .hero-sub {
      font-size: clamp(14px, 3vw, 18px);
      color: #aaa;
      margin-bottom: 32px;
      line-height: 1.7;
    }

    .hero-cta {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 40px;
    }

    .btn-primary {
      background: var(--red);
      color: #fff;
      padding: 16px 32px;
      border-radius: 6px;
      font-size: 16px;
      font-weight: 700;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: transform 0.2s, box-shadow 0.2s;
      box-shadow: 0 4px 20px rgba(227,20,20,0.40);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 30px rgba(227,20,20,0.50);
    }

    .btn-secondary {
      background: transparent;
      color: #fff;
      padding: 16px 32px;
      border-radius: 6px;
      font-size: 16px;
      font-weight: 700;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border: 2px solid rgba(255,255,255,0.30);
      transition: border-color 0.2s, background 0.2s;
    }

    .btn-secondary:hover {
      border-color: #fff;
      background: rgba(255,255,255,0.08);
    }

    .hero-points {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .hero-point {
      background: rgba(255,255,255,0.10);
      color: #ddd;
      font-size: 12px;
      padding: 6px 12px;
      border-radius: 20px;
      border: 1px solid rgba(255,255,255,0.15);
    }

    /* ===== TICKER ===== */
    .ticker-wrap {
      background: var(--red);
      overflow: hidden;
      padding: 10px 0;
    }

    .ticker {
      display: flex;
      gap: 0;
      white-space: nowrap;
      animation: ticker 30s linear infinite;
    }

    .ticker span {
      color: #fff;
      font-size: 13px;
      font-weight: 700;
      padding: 0 40px;
      letter-spacing: 1px;
    }

    .ticker span::before {
      content: "★";
      margin-right: 16px;
      opacity: 0.7;
    }

    @keyframes ticker {
      0% { transform: translateX(0); }
      100% { transform: translateX(-50%); }
    }

    /* ===== SECTION BASE ===== */
    section {
      padding: 80px 24px;
    }

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

    .section-label {
      font-family: 'Bebas Neue', sans-serif;
      font-size: 13px;
      letter-spacing: 3px;
      color: var(--red);
      margin-bottom: 8px;
      display: block;
    }

    .section-title {
      font-size: clamp(24px, 5vw, 40px);
      font-weight: 900;
      line-height: 1.2;
      margin-bottom: 16px;
    }

    .section-desc {
      font-size: 15px;
      color: var(--gray);
      line-height: 1.8;
      max-width: 600px;
    }

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

    /* ===== GENRE GRID ===== */
    .genre-section {
      background: var(--off-white);
    }

    .genre-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
      gap: 16px;
    }

    .genre-card { cursor: pointer;
      background: #fff;
      border-radius: 12px;
      padding: 24px 16px;
      text-align: center;
      text-decoration: none;
      color: var(--black);
      border: 2px solid transparent;
      transition: all 0.25s;
      box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    }

    .genre-card:hover {
      border-color: var(--red);
      transform: translateY(-4px);
      box-shadow: 0 8px 24px rgba(227,20,20,0.15);
    }

    .genre-icon {
      font-size: 40px;
      margin-bottom: 12px;
      display: block;
    }

    .genre-name {
      font-size: 14px;
      font-weight: 700;
      margin-bottom: 4px;
    }

    .genre-hint {
      font-size: 11px;
      color: var(--gray);
    }

    /* ===== REASONS ===== */
    .reasons-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 24px;
    }

    .reason-card {
      background: #fff;
      border-radius: 12px;
      padding: 32px 24px;
      border-left: 4px solid var(--red);
      box-shadow: 0 2px 12px rgba(0,0,0,0.06);
      position: relative;
    }

    .reason-num {
      font-family: 'Bebas Neue', sans-serif;
      font-size: 64px;
      color: rgba(227,20,20,0.10);
      position: absolute;
      top: 8px;
      right: 16px;
      line-height: 1;
    }

    .reason-title {
      font-size: 18px;
      font-weight: 900;
      margin-bottom: 10px;
    }

    .reason-desc {
      font-size: 14px;
      color: var(--gray);
      line-height: 1.7;
    }

    /* ===== PRICE TABLE ===== */
    .price-section {
      background: var(--black);
    }

    .price-section .section-title {
      color: #fff;
    }

    .price-section .section-label {
      color: var(--red-light);
    }

    .price-section .section-desc {
      color: #888;
    }

    .price-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
      gap: 16px;
    }

    .price-card {
      background: #1a1a1a;
      border-radius: 10px;
      padding: 20px;
      border: 1px solid #2a2a2a;
      transition: border-color 0.2s;
    }

    .price-card:hover {
      border-color: var(--red);
    }

    .price-item-name {
      font-size: 15px;
      font-weight: 700;
      color: #eee;
      margin-bottom: 4px;
    }

    .price-item-cond {
      font-size: 12px;
      color: #888;
      margin-bottom: 12px;
    }

    .price-value {
      font-family: 'Oswald', sans-serif;
      font-size: 28px;
      font-weight: 600;
      color: var(--red-light);
    }

    .price-value span {
      font-size: 14px;
      color: #888;
    }

    .price-tag {
      display: inline-block;
      background: var(--red);
      color: #fff;
      font-size: 10px;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 3px;
      margin-top: 8px;
    }

    /* ===== FLOW ===== */
    .flow-steps {
      display: flex;
      flex-direction: column;
      gap: 0;
    }

    @media (min-width: 768px) {
      .flow-steps {
        flex-direction: row;
        align-items: flex-start;
      }
    }

    .flow-step {
      flex: 1;
      text-align: center;
      padding: 24px 16px;
      position: relative;
    }

    .flow-step:not(:last-child)::after {
      content: "→";
      font-size: 24px;
      color: var(--red);
      position: absolute;
      right: -12px;
      top: 50%;
      transform: translateY(-50%);
      display: none;
    }

    @media (min-width: 768px) {
      .flow-step:not(:last-child)::after {
        display: block;
      }
    }

    .flow-num {
      width: 48px;
      height: 48px;
      background: var(--red);
      color: #fff;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-family: 'Bebas Neue', sans-serif;
      font-size: 22px;
      margin-bottom: 12px;
    }

    .flow-title {
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .flow-desc {
      font-size: 13px;
      color: var(--gray);
      line-height: 1.6;
    }

    /* ===== THREE R ===== */
    .three-r {
      background: var(--red);
      position: relative;
      overflow: hidden;
    }

    .three-r::before {
      content: "3R";
      position: absolute;
      right: -40px;
      top: 50%;
      transform: translateY(-50%);
      font-family: 'Bebas Neue', sans-serif;
      font-size: 300px;
      color: rgba(255,255,255,0.07);
      line-height: 1;
    }

    .three-r .section-title,
    .three-r .section-desc,
    .three-r .section-label {
      color: #fff;
    }

    .three-r .section-label {
      opacity: 0.8;
    }

    .three-r .section-desc {
      opacity: 0.85;
    }

    .r-cards {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 20px;
    }

    .r-card {
      background: rgba(255,255,255,0.15);
      border: 1px solid rgba(255,255,255,0.25);
      border-radius: 12px;
      padding: 32px 24px;
      backdrop-filter: blur(4px);
    }

    .r-letter {
      font-family: 'Bebas Neue', sans-serif;
      font-size: 56px;
      color: #fff;
      line-height: 1;
      margin-bottom: 8px;
    }

    .r-card-title {
      font-size: 16px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 8px;
    }

    .r-card-desc {
      font-size: 13px;
      color: rgba(255,255,255,0.80);
      line-height: 1.7;
    }

    /* ===== AREA ===== */
    .area-section {
      background: var(--off-white);
    }

    .area-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 24px;
    }

    .area-tag {
      background: #fff;
      border: 1.5px solid var(--border);
      border-radius: 20px;
      padding: 6px 16px;
      font-size: 13px;
      color: var(--gray);
      transition: all 0.2s;
      cursor: default;
    }

    .area-tag:hover {
      border-color: var(--red);
      color: var(--red);
      background: rgba(227,20,20,0.04);
    }

    .area-tag.featured {
      background: var(--red);
      border-color: var(--red);
      color: #fff;
      font-weight: 700;
    }

    /* ===== FAQ ===== */
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    details {
      background: #fff;
      border-radius: 8px;
      border: 1.5px solid var(--border);
      overflow: hidden;
      transition: border-color 0.2s;
    }

    details[open] {
      border-color: var(--red);
    }

    summary {
      padding: 18px 20px;
      font-size: 15px;
      font-weight: 700;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      list-style: none;
      user-select: none;
    }

    summary::after {
      content: "+";
      font-size: 22px;
      color: var(--red);
      line-height: 1;
      transition: transform 0.2s;
    }

    details[open] summary::after {
      transform: rotate(45deg);
    }

    .faq-answer {
      padding: 0 20px 18px;
      font-size: 14px;
      color: var(--gray);
      line-height: 1.8;
    }

    /* ===== STORE ===== */
    .store-section {
      background: var(--black);
    }

    .store-section .section-title {
      color: #fff;
    }

    .store-section .section-label {
      color: var(--red-light);
    }

    .store-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }

    @media (max-width: 640px) {
      .store-grid {
        grid-template-columns: 1fr;
      }
    }

    .store-info-table {
      width: 100%;
    }

    .store-info-table tr { border-bottom: 1px solid #222;
      border-bottom: 1px solid #2a2a2a;
    }

    .store-info-table td {
      padding: 14px 0;
      font-size: 14px;
      vertical-align: top;
    }

    .store-info-table td:first-child {
      color: var(--red);
      font-weight: 700;
      white-space: nowrap;
      padding-right: 20px;
      width: 90px;
    }

    .store-info-table td:last-child {
      color: #ccc;
      line-height: 1.6;
    }

    .store-map {
      border-radius: 12px;
      overflow: hidden;
      height: 280px;
      background: #1a1a1a;
    }

    .store-map iframe {
      width: 100%;
      height: 100%;
      border: 0;
    }

    /* ===== CONTACT ===== */
    .contact-section {
      background: var(--off-white);
    }

    .form-wrap {
      max-width: 640px;
      margin: 0 auto;
      background: #fff;
      border-radius: 16px;
      padding: 40px 32px;
      box-shadow: 0 4px 24px rgba(0,0,0,0.08);
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--black);
    }

    .form-label .req {
      background: var(--red);
      color: #fff;
      font-size: 10px;
      padding: 2px 6px;
      border-radius: 3px;
      margin-left: 6px;
    }

    .form-input {
      width: 100%;
      padding: 12px 14px;
      border: 1.5px solid var(--border);
      border-radius: 6px;
      font-size: 14px;
      font-family: inherit;
      transition: border-color 0.2s;
      outline: none;
    }

    .form-input:focus {
      border-color: var(--red);
    }

    textarea.form-input {
      resize: vertical;
      min-height: 120px;
    }

    .form-submit {
      width: 100%;
      background: var(--red);
      color: #fff;
      padding: 16px;
      border: none;
      border-radius: 8px;
      font-size: 16px;
      font-weight: 700;
      cursor: pointer;
      transition: opacity 0.2s;
      font-family: inherit;
    }

    .form-submit:hover { opacity: 0.85; }

    /* ===== FOOTER ===== */
    footer {
      background: #0a0a0a;
      padding: 48px 24px 24px;
      border-top: 3px solid var(--red);
    }

    .footer-inner {
      max-width: 1200px;
      margin: 0 auto;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 32px;
      margin-bottom: 40px;
    }

    @media (max-width: 640px) {
      .footer-top {
        grid-template-columns: 1fr;
      }
    }

    .footer-logo-area .logo-name {
      font-size: 28px;
    }

    .footer-tagline {
      font-size: 13px;
      color: #888;
      margin-top: 8px;
      line-height: 1.6;
    }

    .footer-col h4 {
      font-size: 12px;
      letter-spacing: 2px;
      color: var(--red);
      margin-bottom: 16px;
      font-family: 'Bebas Neue', sans-serif;
    }

    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-col ul a {
      text-decoration: none;
      color: #888;
      font-size: 13px;
      transition: color 0.2s;
    }

    .footer-col ul a:hover {
      color: #fff;
    }

    .footer-bottom {
      border-top: 1px solid #1a1a1a;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
    }

    .footer-bottom p {
      font-size: 12px;
      color: #555;
    }

    /* ===== FLOATING CTA ===== */
    .float-cta {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      z-index: 999;
      display: flex;
      box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
    }

    .float-btn {
      flex: 1;
      padding: 14px 8px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 3px;
      text-decoration: none;
      font-size: 11px;
      font-weight: 700;
      color: #fff;
      transition: opacity 0.2s;
    }

    .float-btn:hover { opacity: 0.9; }

    .float-btn-line { background: #06C755; }
    .float-btn-tel { background: var(--red); }
    .float-btn-contact { background: #333; }

    .float-icon { font-size: 20px; }

    @media (min-width: 768px) {
      .float-cta { display: none; }
    }


    @media (max-width: 640px) {
      #sister-grid { grid-template-columns: 1fr !important; }
    }

    /* ===== HERO ILLUSTRATION ===== */
    .hero-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      max-width: 1100px;
      margin: 0 auto;
      padding: 0 40px;
      gap: 40px;
    }
    .hero-content {
      flex: 0 0 auto;
      max-width: 500px;
    }
    .hero-illustration {
      flex: 0 0 420px;
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .illust-wrap {
      position: relative;
      width: 380px;
      height: 320px;
    }
    .illust-item {
      position: absolute;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 4px;
      filter: drop-shadow(0 6px 20px rgba(0,0,0,0.5));
      animation: illust-float 3s ease-in-out infinite;
    }
    .illust-label {
      font-size: 10px;
      font-weight: 700;
      color: rgba(255,255,255,0.6);
      letter-spacing: 0.5px;
      text-transform: uppercase;
    }
    .illust-iphone  { top: 10px;  left: 20px;  animation-delay: 0s; }
    .illust-camera  { top: 0px;   left: 110px; animation-delay: 0.5s; }
    .illust-headphone { top: 20px; left: 270px; animation-delay: 1s; }
    .illust-laptop  { top: 140px; left: 10px;  animation-delay: 1.5s; }
    .illust-gamepad { top: 150px; left: 160px; animation-delay: 0.8s; }
    .illust-tablet  { top: 120px; left: 310px; animation-delay: 0.3s; }
    @keyframes illust-float {
      0%, 100% { transform: translateY(0px); }
      50%       { transform: translateY(-8px); }
    }
    .illust-price-tag {
      position: absolute;
      background: #e31414;
      color: #fff;
      font-size: 11px;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 20px;
      white-space: nowrap;
      box-shadow: 0 2px 10px rgba(227,20,20,0.5);
      animation: tag-pop 2.5s ease-in-out infinite;
    }
    .tag1 { top: 90px;  left: 0px;   animation-delay: 0s; }
    .tag2 { top: 50px;  left: 200px; animation-delay: 0.7s; }
    .tag3 { top: 260px; left: 150px; animation-delay: 1.4s; }
    @keyframes tag-pop {
      0%, 100% { transform: scale(1) translateY(0); opacity: 0.9; }
      50%       { transform: scale(1.06) translateY(-4px); opacity: 1; }
    }
    @media (max-width: 900px) {
      .hero-inner { flex-direction: column; padding: 0 20px; gap: 20px; }
      .hero-illustration { display: none; }
    }

    /* ===== SCROLL ANIMATIONS ===== */
    .fade-up {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }

    .fade-up.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* ===== ANNOUNCEMENT BAR ===== */
    .announce {
      background: var(--red);
      color: #fff;
      text-align: center;
      padding: 10px 16px;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0.5px;
    }

    /* ===== BREADCRUMB ===== */
    .breadcrumb {
      padding: 12px 24px;
      max-width: 1200px;
      margin: 0 auto;
      display: flex;
      gap: 8px;
      align-items: center;
      font-size: 12px;
      color: #888;
    }

    .breadcrumb a {
      color: var(--red);
      text-decoration: none;
    }

    .breadcrumb span { color: #ccc; }