    /* =========================================================
       Variables & Base Styles
    ========================================================= */
    :root {
      --color-grad: linear-gradient(-45deg, #5FC1C7, #26A4B2, #0095A3);
      --color-grad-accent: linear-gradient(135deg, #162933 0%, #0A1418 50%, #030709 100%);
      --color-primary: #0095A3;
      --color-text: #3B4A51;
      --color-text-sub: #757575;
      --color-text-onDark: #DFE7EA;
      --color-text-onDark-muted: #8598A0;

      --color-bg-light: #fbfbfb;
      --color-bg-gray: #f3f3f3;
      --color-white: #fff;
      
      --font-mincho: "Hiragino Mincho ProN", "YuMincho", serif;
      --font-sans: "Hiragino Sans", "Hiragino Kaku Gothic ProN", sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
      overflow-x: hidden;
      width: 100%;
    }
    #story, #feature, #spec, #usage, #company, #reservation {
      scroll-margin-top: -80px;
    }

    body {
      font-family: var(--font-sans);
      color: var(--color-text);
      background-color: var(--color-white);
      line-height: 1.8;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: opacity 0.3s ease;
    }
    a:hover {
      opacity: 0.7;
    }
    img {
      max-width: 100%;
      height: auto;
      vertical-align: bottom;
    }

    /* =========================================================
       Typography & Utilities
    ========================================================= */
    .font-mincho {
      font-family: var(--font-mincho);
    }
    
    .fade-in {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 1.2s ease, transform 1.2s ease;
    }
    .fade-in.is-visible {
      opacity: 1;
      transform: translateY(0);
    }

    .text-gradient {
      background: var(--color-grad);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }
    .pc-only { display: block; }
    .sp-only { display: none; }

    /* =========================================================
       Header
    ========================================================= */
    .site-header {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      width: 100%;
      z-index: 100;
      padding: 20px 0;
      text-align: center;
      background: transparent;
    }
    .site-header img {
      height: 80px;
      margin-top: 14px;
      vertical-align: middle;
      filter: brightness(0) invert(1);
      pointer-events: auto;
    }
    .site-header__lang {
      display: none;
      position: absolute;
      left: 30px;
      top: 50%;
      transform: translateY(-50%);
      align-items: center;
      gap: 8px;
      font-size: 1rem;
      letter-spacing: 0.05em;
      color: #fff;
      z-index: 10;
    }
    .site-header__lang a {
      color: #fff;
    }
    .site-header__lang a.is-active {
      color: var(--color-primary);
      font-weight: bold;
    }
    .site-header__lang span {
      color: rgba(255,255,255,0.5);
    }

    /* =========================================================
       Hamburger Menu Button
    ========================================================= */
    .menu-btn {
      position: fixed;
      top: 38px;
      right: 30px;
      width: 70px;
      height: 70px;
      border-radius: 50%;
      border: 1px solid var(--color-text);
      background: rgba(255,255,255,0.7);
      backdrop-filter: blur(5px);
      z-index: 1001;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      gap: 5px;
      cursor: pointer;
      transition: all 0.4s ease;
    }
    .menu-btn span {
      display: block;
      transition: all 0.4s ease;
    }
    .menu-btn__line {
      width: 24px;
      height: 1px;
      background: var(--color-text);
    }
    .menu-btn__text {
      font-size: 10px;
      letter-spacing: 0.1em;
      color: var(--color-text);
    }
    .menu-btn.is-active {
      border-color: rgba(255,255,255,0.5);
      background: transparent;
    }
    .menu-btn.is-active .menu-btn__line:nth-child(1) {
      transform: translateY(6px) rotate(45deg);
      background: #fff;
    }
    .menu-btn.is-active .menu-btn__line:nth-child(2) {
      opacity: 0;
    }
    .menu-btn.is-active .menu-btn__line:nth-child(3) {
      transform: translateY(-6px) rotate(-45deg);
      background: #fff;
    }
    .menu-btn.is-active .menu-btn__text {
      color: #fff;
      content: "CLOSE";
    }

    /* =========================================================
       Drawer Menu
    ========================================================= */
    .drawer {
      position: fixed;
      top: 0;
      right: 0;
      width: 450px;
      max-width: 100%;
      height: 100vh;
      background: var(--color-grad-accent);
      z-index: 1000;
      transform: translateX(100%);
      transition: transform 0.6s cubic-bezier(0.19, 1, 0.22, 1);
      overflow-y: auto;
      padding: 120px 40px 60px;
      color: #fff;
    }
    .drawer.is-open {
      transform: translateX(0);
    }
    .drawer-nav ul {
      list-style: none;
    }
    .drawer-nav > ul > li {
      border-bottom: 1px solid rgba(255,255,255,0.3);
    }
    .drawer-nav > ul > li > a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 1.2rem;
      padding: 20px 0;
      letter-spacing: 0.05em;
    }
    .drawer-nav > ul > li > a::after {
      content: "";
      width: 8px;
      height: 8px;
      border-top: 1px solid #fff;
      border-right: 1px solid #fff;
      transform: rotate(45deg);
    }
    .drawer-cta {
      margin-top: 40px;
      text-align: left;
    }
    .drawer-cta .btn {
      display: inline-block;
      width: auto;
      max-width: none;
      padding: 15px 50px 15px 30px;
      border: 1px solid transparent;
      border-image: linear-gradient(45deg, #fff 0%, #999 50%, #fff 100%) 1;
    }
    .drawer-lang {
      display: none;
    }
    .drawer-lang__label {
      font-size: 0.75rem;
      letter-spacing: 0.15em;
      opacity: 0.7;
      margin-bottom: 10px;
    }
    .drawer-lang__list {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.05rem;
    }
    .drawer-lang__list a.is-active {
      font-weight: bold;
    }
    .drawer-lang__list span {
      opacity: 0.5;
    }
    .drawer-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100vh;
      background: rgba(0,0,0,0.4);
      z-index: 999;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.4s ease;
    }
    .drawer-overlay.is-active {
      opacity: 1;
      pointer-events: auto;
    }

    /* =========================================================
       Hero Section
    ========================================================= */
    .hero {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 0;
      margin: 0;
      height: 100vh;
      min-height: 600px;
      display: flex;
      align-items: center;
    }
    .hero__bg {
      position: absolute;
      inset: 0;
      z-index: 1;
      border-radius: 0;
      overflow: hidden;
      background: linear-gradient(90deg, rgba(10,20,24,0.85) 0%, rgba(10,20,24,0.55) 32%, rgba(10,20,24,0.05) 62%), url('https://hybo.jp/images/mvbg02.png') no-repeat center/cover;
    }
    .hero__content {
      position: relative;
      z-index: 10;
      max-width: 600px;
      margin-left: calc(12% + 103px);
      margin-top: 90px;
    }
    .hero__catch {
      writing-mode: vertical-rl;
      white-space: nowrap;
      font-size: 4.3rem;
      line-height: 1.25;
      letter-spacing: 0.1em;
      margin-bottom: 10px;
      color: #fff;
    }
    .hero__catch-indent {
      margin-top: 1em;
    }
    /* =========================================================
       Common Section Styles
    ========================================================= */
    .section {
      padding: 100px 20px;
      position: relative;
    }
    .section-inner {
      max-width: 1000px;
      margin: 0 auto;
      position: relative;
    }
    .section-title-wrap {
      position: relative;
      padding-left: 80px;
      margin-bottom: 50px;
    }
    .section-title-wrap::before {
      content: "";
      position: absolute;
      top: 25px;
      left: 0;
      width: 50px;
      height: 1px;
      background: var(--color-grad);
    }
    .section-title {
      font-family: var(--font-mincho);
      font-size: 2.8rem;
      line-height: 1.2;
    }
    .btn-wrap {
      margin-top: 40px;
      text-align: center;
    }
    .btn {
      display: inline-block;
      width: 100%;
      max-width: 320px;
      padding: 18px 20px;
      border: 1px solid var(--color-text);
      color: var(--color-text);
      text-align: center;
      position: relative;
      font-weight: normal;
      letter-spacing: 0.05em;
      background: #fff;
    }
    .btn::after {
      content: "";
      display: block;
      width: 8px;
      height: 8px;
      border-top: 1px solid var(--color-text);
      border-right: 1px solid var(--color-text);
      transform: rotate(45deg);
      position: absolute;
      right: 20px;
      top: 50%;
      margin-top: -5px;
    }
    .btn--primary {
      border-color: var(--color-primary);
      color: var(--color-primary);
    }
    .btn--primary::after {
      border-color: var(--color-primary);
    }
    .btn--gradient {
      background: var(--color-grad-accent);
      color: var(--color-white);
      border: none;
      font-weight: bold;
    }
    .btn--gradient::after {
      border-color: var(--color-white);
    }
    .btn--gradient:hover {
      opacity: 0.8;
    }
    .btn--outline-white {
      background: transparent;
      border-color: #fff;
      color: #fff;
    }
    .btn--outline-white::after {
      border-color: #fff;
    }
    #js-detail-open-2 {
      border-image: linear-gradient(45deg, #fff 0%, #777 50%, #fff 100%) 1;
    }
    .btn--small {
      padding: 10px 16px;
      font-size: 0.8rem;
    }
    .btn--small::after {
      width: 6px;
      height: 6px;
      right: 12px;
      margin-top: -3px;
    }

    /* =========================================================
       Message Section (劉先生)
    ========================================================= */
    .message-section {
      background: transparent;
      padding: 100px 20px;
      position: relative;
      z-index: 1;
      margin-top: 100vh;
      overflow: hidden;
    }
    .message-section::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, #030709 0%, #0A1418 50%, #162933 100%);
      opacity: 0.9;
      -webkit-mask-image:
        linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.35) 90px, rgba(0,0,0,0.7) 170px, #000 260px),
        linear-gradient(to right, #000 0%, #000 55%, transparent 95%);
      -webkit-mask-composite: source-in;
      mask-image:
        linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.35) 90px, rgba(0,0,0,0.7) 170px, #000 260px),
        linear-gradient(to right, #000 0%, #000 55%, transparent 95%);
      mask-composite: intersect;
      z-index: -1;
    }
    .message-inner {
      max-width: 1000px;
      margin: 0 auto;
      position: relative;
      z-index: 2;
    }
    .message-catch {
      font-size: 2.2rem;
      line-height: 1.5;
      margin-bottom: 40px;
      background: var(--color-grad);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }
    .message-text {
      font-size: 1.05rem;
      line-height: 2.2;
      color: var(--color-text-onDark);
      margin-bottom: 40px;
    }
    .message-text p {
      margin-bottom: 1em;
    }
    .message-text strong {
      font-size: 1.25em;
      font-weight: bold;
      line-height: 1.6;
      background: linear-gradient(-45deg, rgba(95,193,199,0.45), rgba(95,193,199,0.2));
      background-repeat: no-repeat;
      background-size: 100% 40%;
      background-position: 0 100%;
    }
    .message-sign {
      position: absolute;
      right: 105px;
      bottom: -60px;
      font-size: 1.5rem;
      color: #111;
    }
    .message-sign__img {
      height: 80px;
      width: auto;
      vertical-align: middle;
      margin-left: 8px;
      margin-top: -10px;
    }
    .message-doctor-sign {
      margin-top: 20px;
      font-size: 1.3rem;
      color: var(--color-text-onDark);
    }
    .message-doctor-sign__img {
      height: 60px;
      width: auto;
      margin-top: 6px;
      filter: brightness(0) invert(1);
    }
    .message-visual {
      position: absolute;
      right: 60px;
      top: 20px;
      width: 45%;
      max-width: 560px;
      z-index: 1;
    }
    @media (min-width: 1700px) {
      .message-visual {
        right: calc(50% - 680px);
      }
    }
    .message-visual--fade {
      animation: message-visual-fade-in 1.2s ease both;
    }
    @keyframes message-visual-fade-in {
      from { opacity: 0; transform: translateY(30px); }
      to { opacity: 1; transform: translateY(0); }
    }
    .message-visual > img {
      display: block;
      width: 100%;
      height: 640px;
      object-fit: cover;
      object-position: center top;
      -webkit-mask-image: linear-gradient(to bottom, #000 75%, transparent 100%);
      mask-image: linear-gradient(to bottom, #000 75%, transparent 100%);
    }
    .message-visual > img.message-visual__sp-img {
      display: none;
    }

    /* =========================================================
       About Section (なぜ、今水素が注目されているのか？)
    ========================================================= */
    .about-section {
      position: relative;
      z-index: 1;
      background: var(--color-white);
      padding-bottom: 120px;
      overflow: hidden;
    }
    .about-section::after {
      content: "";
      position: absolute;
      inset: 0;
      z-index: 1;
      pointer-events: none;
      background:
        radial-gradient(circle at right top, #e8f5f6 0%, rgba(255,255,255,0) 50%),
        radial-gradient(circle at left bottom, #e8f5f6 0%, rgba(255,255,255,0) 50%);
    }
    .about-section > .section-inner {
      position: relative;
      z-index: 2;
    }
    .about-section__bg {
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 0;
      overflow: hidden;
      opacity: 0.65;
      pointer-events: none;
      -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 94%, transparent 100%);
      mask-image: linear-gradient(to bottom, #000 0%, #000 94%, transparent 100%);
    }
    .about-section__bg-track {
      display: flex;
      width: max-content;
    }
    .about-section__bg-track img {
      height: 480px;
      width: auto;
      flex-shrink: 0;
      display: block;
    }
    .about-box {
      margin-left: 15%;
      width: 80%;
      position: relative;
      z-index: 2;
    }
    .about-catch {
      font-size: 2.2rem;
      margin-bottom: 40px;
      line-height: 1.5;
      color: #111;
    }
    .about-text {
      font-size: 0.95rem;
      line-height: 2.2;
      margin-bottom: 20px;
      color: #333;
    }
    /* =========================================================
       Use Scene (HYBOはこんな方におすすめ)
    ========================================================= */
    .usecase-section {
      background: var(--color-white);
    }
    .usecase-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
      margin-top: 40px;
    }
    .usecase-visual {
      position: relative;
      overflow: hidden;
      border-radius: 4px;
    }
    .usecase-visual img {
      width: 100%;
      aspect-ratio: 1 / 1;
      object-fit: cover;
      display: block;
    }
    .usecase-visual::before {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: 45%;
      background: linear-gradient(to top, rgba(10,20,24,0.7), rgba(10,20,24,0));
      pointer-events: none;
    }
    .usecase-label {
      position: absolute;
      left: 20px;
      bottom: 20px;
      color: #fff;
      font-size: 1.1rem;
      font-weight: bold;
      line-height: 1.4;
      z-index: 2;
    }
    .usecase-item p {
      font-size: 0.95rem;
      line-height: 1.6;
      margin-top: 15px;
    }

    /* =========================================================
       Reservation (HYBO体験ご予約・資料請求)
    ========================================================= */
    .reservation-section {
      position: relative;
      background: var(--color-grad-accent);
      overflow: hidden;
    }
    .reservation-section .btn--gradient {
      background: var(--color-grad);
    }
    .reservation-section > .section-inner {
      position: relative;
      z-index: 2;
    }
    .reservation-intro {
      position: relative;
      display: flex;
      align-items: center;
      gap: 30px;
      width: fit-content;
      margin: 40px auto 60px;
      border-radius: 4px;
      padding: 30px 50px;
    }
    .reservation-intro::before {
      content: "";
      position: absolute;
      inset: 0;
      border-radius: 4px;
      padding: 1px;
      background: linear-gradient(45deg, #fff 0%, #777 50%, #fff 100%);
      -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
      -webkit-mask-composite: xor;
      mask-composite: exclude;
      pointer-events: none;
    }
    .reservation-qr img {
      width: 120px;
      height: 120px;
      display: block;
    }
    .reservation-line-btn {
      display: none;
    }
    .reservation-lead {
      font-family: var(--font-mincho);
      font-size: 1.35rem;
      line-height: 1.9;
      color: var(--color-text-onDark);
    }
    .shop-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
      margin-bottom: 50px;
    }
    .shop-item {
      display: flex;
      flex-direction: column;
    }
    .shop-visual img {
      width: 100%;
      aspect-ratio: 1 / 1;
      object-fit: cover;
      display: block;
      border-radius: 4px;
    }
    .shop-item__name {
      font-size: 1.2rem;
      margin-top: 20px;
      margin-bottom: 10px;
      color: var(--color-text-onDark);
    }
    .shop-item__addr {
      font-size: 0.85rem;
      line-height: 1.7;
      color: var(--color-text-onDark-muted);
      margin-bottom: 15px;
      flex: 1;
    }
    .shop-item__links {
      display: flex;
      justify-content: flex-end;
      font-size: 0.85rem;
    }
    .shop-item__links a {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      color: var(--color-primary);
    }
    .shop-item__links a svg {
      width: 12px;
      height: 12px;
      flex-shrink: 0;
    }
    /* =========================================================
       Feature
    ========================================================= */
    .feature-section {
      position: relative;
      background: var(--color-grad-accent);
      padding-bottom: 120px;
      overflow: hidden;
    }
    .feature-visual-frame {
      position: absolute;
      top: 50%;
      right: 0;
      transform: translateY(-50%);
      height: 85%;
      width: auto;
      max-width: 55%;
      z-index: 0;
    }
    .feature-section__bg {
      position: static;
      height: 100%;
      width: auto;
      max-width: 100%;
      object-fit: contain;
      display: block;
    }
    .feature-section > .section-inner {
      position: relative;
      z-index: 1;
    }
    .feature-box {
      display: flex;
      align-items: center;
      gap: 60px;
      margin-top: 40px;
    }
    .feature-info {
      flex: 1;
      display: flex;
      flex-direction: column;
      gap: 25px;
    }
    .feature-item {
      position: relative;
      padding-bottom: 25px;
    }
    .feature-item::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: 1px;
      background: linear-gradient(to right, rgba(0,149,163,0.35), rgba(0,149,163,0));
    }
    .feature-item:last-child {
      padding-bottom: 0;
    }
    .feature-item:last-child::after {
      display: none;
    }
    .feature-item__head {
      display: flex;
      align-items: baseline;
      gap: 14px;
      margin-bottom: 12px;
    }
    .feature-item__num {
      font-size: 1.8rem;
      line-height: 1;
      color: rgba(255,255,255,0.35);
    }
    .feature-item__title {
      font-size: 2.2rem;
    }
    .feature-item__text {
      font-size: 1.05rem;
      line-height: 1.8;
      color: var(--color-text-onDark);
    }
    .feature-visual {
      flex: 1;
      align-self: stretch;
      min-height: 480px;
      text-align: center;
      position: relative;
    }
    .purity-badge {
      position: absolute;
      right: 140px;
      bottom: 60px;
      z-index: 2;
      width: 160px;
      height: 160px;
      border-radius: 50%;
      border: 1px solid rgba(255,255,255,0.5);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      color: #fff;
      text-align: center;
      line-height: 1.3;
    }
    .purity-badge__label {
      font-size: 1rem;
      letter-spacing: 0.05em;
    }
    .purity-badge__num {
      font-size: 3.2rem;
      font-weight: bold;
      line-height: 1;
    }
    .purity-badge__unit {
      font-size: 1.6rem;
    }
    .purity-badge--mobile {
      display: none;
    }

    /* =========================================================
       Ranking Section (導入サロン・クリニック)
    ========================================================= */
    .ranking-section {
      position: relative;
      overflow: hidden;
      padding-bottom: 150px;
    }
    .ranking-section__bg {
      position: absolute;
      left: 0;
      bottom: 0;
      z-index: 0;
      width: 100%;
      height: auto;
      display: block;
      pointer-events: none;
      -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0) 0%, #000 25%);
      mask-image: linear-gradient(to bottom, rgba(0,0,0,0) 0%, #000 25%);
    }
    .ranking-section > .section-inner,
    .ranking-section > .ranking-wrapper {
      position: relative;
      z-index: 1;
    }
    .ranking-wrapper {
      margin-left: 20%;
    }
    .ranking-item {
      position: relative;
      overflow: hidden;
      border-radius: 4px;
    }
    .ranking-item__img {
      width: 100%;
      aspect-ratio: 4 / 5;
      object-fit: cover;
      display: block;
    }
    .ranking-item::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: 55%;
      background: linear-gradient(to top, rgba(0,0,0,0.65), rgba(0,0,0,0));
      pointer-events: none;
      z-index: 1;
    }
    .ranking-info {
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 2;
      padding: 20px;
    }
    .ranking-item__title {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      font-size: 1.15rem;
      margin-bottom: 8px;
      line-height: 1.5;
      color: #fff;
    }
    .ranking-item__title svg {
      width: 13px;
      height: 13px;
      flex-shrink: 0;
    }
    .ranking-item__name {
      font-size: 0.85rem;
      line-height: 1.6;
      color: rgba(255,255,255,0.9);
    }

    /* =========================================================
       Comparison Section
    ========================================================= */
    .comparison-section {
      background: var(--color-white);
      padding-bottom: 150px;
      position: relative;
      overflow: hidden;
    }
    .comparison-section__bg {
      position: absolute;
      right: 0;
      top: 0;
      z-index: 0;
      width: 100%;
      height: auto;
      display: block;
      pointer-events: none;
      opacity: 0.65;
      transform: rotate(180deg);
      -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0) 0%, #000 25%);
      mask-image: linear-gradient(to bottom, rgba(0,0,0,0) 0%, #000 25%);
    }
    .comparison-section > .section-inner {
      position: relative;
      z-index: 1;
    }
    .comparison-lead {
      font-family: var(--font-mincho);
      font-weight: bold;
      font-size: 1.9rem;
      line-height: 1.5;
      background: var(--color-grad);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: block;
      text-align: center;
      margin-top: -20px;
      margin-bottom: 40px;
    }
    .compare-container {
      width: 100%;
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
      margin-top: 20px;
      padding-bottom: 8px;
    }
    .compare-grid {
      min-width: 700px;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .compare-row {
      display: flex;
      justify-content: space-between;
      gap: 12px;
    }
    .compare-cell {
      flex: 1;
      min-width: 0;
      text-align: center;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      line-height: 1.5;
      overflow-wrap: break-word;
    }
    .compare-thead {
      margin-bottom: 10px;
      align-items: center;
    }
    .compare-thead .compare-cell {
      font-size: 1.68rem;
      font-weight: bold;
      color: var(--color-text);
    }
    .hybo-brand {
      height: 80px;
      width: auto;
    }
    .compare-title {
      background: var(--color-bg-gray);
      padding: 15px 20px;
      text-align: center;
      font-weight: bold;
      font-size: 1.14rem;
      letter-spacing: 0.1em;
      width: 100%;
      border-radius: 4px;
    }
    .compare-data .compare-cell {
      background: var(--color-white);
      border: 1px solid #e0e0e0;
      padding: 20px 15px;
      font-size: 1.07rem;
      border-radius: 4px;
      min-height: 90px;
    }
    .compare-data .cell-hybo {
      border: 1px solid var(--color-primary);
      background: var(--color-grad);
      font-weight: bold;
      font-size: 1.41rem;
      color: #fff;
    }
    .comparison-note {
      font-size: 0.75rem;
      margin-top: 10px;
      margin-bottom: 110px;
      color: var(--color-text-sub);
      text-align: right;
    }
    .comparison-bgtext {
      position: absolute;
      left: 0;
      right: 0;
      bottom: 20px;
      z-index: 0;
      overflow: hidden;
      pointer-events: none;
      user-select: none;
    }
    .comparison-bgtext__track {
      display: flex;
      align-items: baseline;
      width: max-content;
      animation: comparison-bgtext-scroll 30s linear infinite;
    }
    .comparison-bgtext__item {
      flex-shrink: 0;
      font-family: var(--font-sans);
      font-weight: bold;
      font-size: 200px;
      line-height: 1;
      color: rgba(0,0,0,0.05);
      white-space: nowrap;
      margin-right: 60px;
    }
    .comparison-bgtext__item.font-mincho {
      font-family: var(--font-mincho);
      font-weight: normal;
    }
    @keyframes comparison-bgtext-scroll {
      from { transform: translateX(0); }
      to { transform: translateX(-50%); }
    }

    /* =========================================================
       Specification Section
    ========================================================= */
    .spec-section {
      position: relative;
      overflow: hidden;
      background: var(--color-bg-light);
    }
    .spec-section > .section-inner {
      position: relative;
      z-index: 2;
    }
    .spec-container {
      display: flex;
      gap: 50px;
      align-items: flex-start;
      margin-top: 20px;
    }
    .spec-visual {
      flex: 1;
    }
    .spec-gallery__main {
      width: 100%;
      aspect-ratio: 1 / 1;
      object-fit: contain;
      background: var(--color-bg-light);
      display: block;
      border-radius: 4px;
      box-shadow: 0 15px 30px rgba(0,0,0,0.05);
      margin-bottom: 15px;
    }
    .spec-gallery__thumbs {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }
    .spec-gallery__thumb {
      width: 72px;
      height: 72px;
      flex-shrink: 0;
      padding: 0;
      border: 2px solid transparent;
      border-radius: 4px;
      overflow: hidden;
      cursor: pointer;
      background: var(--color-bg-light);
      transition: border-color 0.2s ease;
    }
    .spec-gallery__thumb img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      display: block;
    }
    .spec-gallery__thumb.is-active,
    .spec-gallery__thumb:hover {
      border-color: var(--color-primary);
    }
    .spec-info {
      flex: 1;
    }
    .spec-lead {
      font-size: 1.6rem;
      line-height: 1.5;
      margin-bottom: 30px;
    }
    .spec-table {
      width: 100%;
      border-collapse: collapse;
      margin-bottom: 40px;
      font-size: 0.85rem;
    }
    .spec-table th, .spec-table td {
      padding: 15px 0;
      border-bottom: 1px solid #e0e0e0;
      text-align: left;
    }
    .spec-table td {
      padding-left: 16px;
    }
    .spec-table th {
      white-space: nowrap;
      padding-right: 20px;
      font-weight: bold;
      font-size: 1rem;
      color: var(--color-text);
      border-bottom: 3px solid #999;
    }
    .spec-price {
      display: flex;
      align-items: baseline;
      gap: 4px;
      margin: 0 0 24px;
    }
    .spec-price__label {
      font-size: 0.95rem;
      color: var(--color-text);
      margin-right: 4px;
    }
    .spec-price__num {
      font-size: 2.4rem;
      font-weight: 600;
      color: #222;
      line-height: 1;
    }
    .spec-price__unit {
      font-size: 1.3rem;
      margin-left: 2px;
    }
    .spec-price__tax {
      font-size: 0.85rem;
      color: var(--color-text-sub);
      margin-left: 4px;
    }
    .spec-actions {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .spec-actions .btn {
      max-width: 100%;
    }
    .spec-actions .btn svg {
      width: 14px;
      height: 14px;
      margin-left: 6px;
      vertical-align: -2px;
    }
    .badge-row {
      display: flex;
      gap: 15px;
      flex-wrap: wrap;
    }
    .shipping-badge {
      display: flex;
      align-items: center;
      gap: 15px;
      border: 1px solid #e0e0e0;
      padding: 15px 30px;
      background: var(--color-white);
      border-radius: 4px;
      flex: 1;
    }
    .shipping-icon {
      width: 62px;
      height: 62px;
      flex-shrink: 0;
      object-fit: contain;
      margin-top: -14px;
    }
    .warranty-icon {
      width: 62px;
      height: 62px;
      flex-shrink: 0;
      object-fit: contain;
    }
    .shipping-text {
      font-size: 1.05rem;
      line-height: 1.4;
      text-align: left;
      color: var(--color-text);
    }
    .shipping-text strong {
      font-size: 1.4rem;
      color: var(--color-primary);
    }
    .warranty-badge {
      display: flex;
      align-items: center;
      gap: 15px;
      border: 1px solid #e0e0e0;
      padding: 15px 30px;
      background: var(--color-white);
      border-radius: 4px;
      flex: 1;
    }
    .warranty-text {
      font-size: 0.85rem;
      line-height: 1.4;
      text-align: left;
      color: var(--color-text);
    }
    .warranty-text strong {
      font-size: 1.4rem;
      color: var(--color-primary);
    }

    /* =========================================================
       How to Use Section
    ========================================================= */
    .usage-section {
      position: relative;
      overflow: hidden;
      background: var(--color-white);
    }
    .usage-section::after {
      content: "";
      position: absolute;
      inset: 0;
      z-index: 0;
      pointer-events: none;
      background:
        radial-gradient(circle at right top, #e8f5f6 0%, rgba(255,255,255,0) 50%),
        radial-gradient(circle at left bottom, #e8f5f6 0%, rgba(255,255,255,0) 50%);
    }
    .usage-section > .section-inner {
      position: relative;
      z-index: 1;
    }
    .usage-video {
      max-width: 480px;
      margin: 40px auto 0;
    }
    .usage-video__player {
      width: 100%;
      aspect-ratio: 16 / 9;
      display: block;
      background: var(--color-bg-gray);
    }
    .usage-steps {
      display: flex;
      align-items: center;
      justify-content: space-between;
      max-width: 900px;
      margin: 40px auto 0;
    }
    .step-item {
      text-align: center;
      flex: 1;
    }
    .step-img {
      border-radius: 50%;
      overflow: hidden;
      margin: 0 auto 25px;
      width: 100%;
      max-width: 220px;
      aspect-ratio: 1/1;
      background: var(--color-bg-gray);
      border: 4px solid var(--color-white);
      box-shadow: 0 10px 25px rgba(0,0,0,0.06);
    }
    .step-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .step-text {
      font-size: 1.3rem;
      font-weight: bold;
    }
    .step-arrow {
      width: 0;
      height: 0;
      border-top: 12px solid transparent;
      border-bottom: 12px solid transparent;
      border-left: 18px solid rgba(0, 149, 163, 0.15);
      margin: 0 10px;
      transform: translateY(-20px);
    }

    /* =========================================================
       Consumables Section
    ========================================================= */
    .consumables-section {
      background: var(--color-bg-gray);
    }
    .consumables-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
      margin-top: 30px;
    }
    .consumable-card {
      display: flex;
      align-items: center;
      background: var(--color-white);
      padding: 30px 40px;
      gap: 40px;
      border-radius: 4px;
      box-shadow: 0 5px 15px rgba(0,0,0,0.02);
    }
    .consumable-img {
      width: 140px;
      height: 140px;
      border-radius: 4px;
      overflow: hidden;
      flex-shrink: 0;
      background: var(--color-bg-light);
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .consumable-img img {
      width: 100%;
      height: 100%;
      object-fit: contain;
    }
    .consumable-info {
      flex: 1;
    }
    .consumable-name {
      font-size: 1.6rem;
      margin-bottom: 10px;
    }
    .consumable-desc {
      font-size: 1rem;
      line-height: 1.7;
    }
    .consumable-period {
      text-align: center;
      border-left: 1px solid #f0f0f0;
      padding-left: 40px;
      min-width: 180px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .period-label {
      font-size: 0.85rem;
      margin-bottom: 8px;
      color: var(--color-text-sub);
      letter-spacing: 0.05em;
    }
    .period-val {
      font-size: 2rem;
      line-height: 1.2;
      color: var(--color-primary);
    }

    /* =========================================================
       FAQ Section
    ========================================================= */
    .faq-section {
      background: var(--color-white);
    }
    .faq-list {
      max-width: 800px;
      margin: 0 auto;
    }
    .faq-item {
      border-bottom: 1px solid #e0e0e0;
    }
    .faq-q {
      list-style: none;
      cursor: pointer;
      padding: 25px 40px 25px 0;
      position: relative;
      font-size: 1.15rem;
      font-weight: bold;
      color: var(--color-text);
      transition: opacity 0.3s ease;
    }
    .faq-q::-webkit-details-marker { display: none; }
    .faq-q:hover { opacity: 0.7; }
    .faq-q::after {
      content: "＋";
      position: absolute;
      right: 10px;
      top: 50%;
      transform: translateY(-50%);
      font-size: 1.2rem;
      color: var(--color-primary);
    }
    .faq-item[open] .faq-q::after {
      content: "－";
    }
    .faq-a {
      padding: 0 20px 25px 0;
      color: var(--color-text);
      font-size: 0.95rem;
      line-height: 1.8;
      animation: fadeDown 0.3s ease-in-out;
    }
    @keyframes fadeDown {
      0% { opacity: 0; transform: translateY(-10px); }
      100% { opacity: 1; transform: translateY(0); }
    }

    /* =========================================================
       Company Section
    ========================================================= */
    .company-section {
      background: var(--color-bg-gray);
      padding-bottom: 120px;
    }
    .company-box {
      display: flex;
      align-items: center;
      gap: 60px;
      background: var(--color-white);
      padding: 50px 60px;
      border-radius: 4px;
      box-shadow: 0 5px 20px rgba(0,0,0,0.03);
    }
    .company-logo { flex: 0 0 250px; }
    .company-logo img { width: 100%; }
    .company-info { flex: 1; }
    .company-name {
      font-size: 1.8rem;
      margin-bottom: 15px;
      color: var(--color-primary);
    }
    .company-address {
      font-size: 1.15rem;
      line-height: 1.8;
      margin-bottom: 5px;
    }
    .company-tel {
      font-size: 1.15rem;
      color: var(--color-text);
    }

    /* =========================================================
       Detail Modal
    ========================================================= */
    .modal-overlay {
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.5);
      z-index: 2000;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s ease;
    }
    .modal-overlay.is-active {
      opacity: 1;
      pointer-events: auto;
    }
    .modal {
      position: fixed;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%) scale(0.95);
      width: 90%;
      max-width: 860px;
      max-height: 85vh;
      overflow-y: auto;
      overscroll-behavior: contain;
      background: var(--color-white);
      border-radius: 8px;
      padding: 40px;
      z-index: 2001;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s ease, transform 0.3s ease;
    }
    .modal.is-active {
      opacity: 1;
      pointer-events: auto;
      transform: translate(-50%, -50%) scale(1);
    }
    .modal-close {
      position: absolute;
      top: 15px;
      right: 20px;
      width: 32px;
      height: 32px;
      background: none;
      border: none;
      font-size: 1.6rem;
      line-height: 1;
      cursor: pointer;
      color: var(--color-text);
    }
    .modal-title {
      font-size: clamp(0.95rem, 4.2vw, 1.4rem);
      white-space: nowrap;
      margin-bottom: 20px;
      color: #111;
    }
    .modal-field-grid {
      display: flex;
      flex-direction: column;
      gap: 28px;
      margin: 24px 0;
    }
    .modal-field {
      display: flex;
      align-items: flex-start;
      gap: 20px;
    }
    .modal-field__img {
      flex-shrink: 0;
      width: 140px;
      height: 140px;
      background: #ddd;
      border-radius: 4px;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.7rem;
      line-height: 1.5;
      color: #888;
      text-align: center;
    }
    .modal-field__img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }
    .modal-field__body {
      flex: 1;
    }
    .modal-field__title {
      font-size: 1.1rem;
      font-weight: bold;
      text-align: left;
      margin-bottom: 8px;
      color: var(--color-text);
    }
    .modal-field__text {
      font-size: 0.85rem;
      line-height: 1.8;
      text-align: left;
      color: var(--color-text-sub);
    }
    .modal-note {
      text-align: center;
      font-size: 0.9rem;
      color: var(--color-text);
      margin: 20px 0;
    }
    .modal-research {
      margin-top: 8px;
      border-top: 1px solid #e0e0e0;
      padding-top: 24px;
    }
    .modal-research__title {
      text-align: center;
      font-size: 1.05rem;
      font-weight: bold;
      margin-bottom: 20px;
      color: var(--color-text);
    }
    .modal-research-grid {
      display: flex;
      flex-direction: column;
      gap: 28px;
    }
    .modal-research-item {
      display: flex;
      align-items: flex-start;
      gap: 20px;
    }
    .modal-research-item__body {
      flex: 1;
    }
    .modal-research-item__title {
      font-size: 0.9rem;
      font-weight: bold;
      margin-bottom: 10px;
      padding-bottom: 8px;
      border-bottom: 2px solid var(--color-primary);
      color: var(--color-text);
    }
    .modal-research-item__list {
      font-size: 0.78rem;
      line-height: 1.7;
      color: var(--color-text);
      padding-left: 1.1em;
      margin-bottom: 10px;
    }
    .modal-research-item__source {
      font-size: 0.72rem;
      color: var(--color-text-sub);
    }
    .modal-label {
      font-size: 0.7rem;
      letter-spacing: 0.15em;
      color: var(--color-primary);
      margin-bottom: 8px;
    }
    .modal-evidence-lead {
      font-size: 0.9rem;
      line-height: 1.9;
      color: var(--color-text);
      margin: 16px 0 8px;
    }
    .modal-evidence-source {
      font-size: 0.72rem;
      line-height: 1.6;
      color: var(--color-text-sub);
      margin-bottom: 28px;
    }
    .modal-evidence-subtitle {
      font-size: 1.05rem;
      font-weight: bold;
      color: var(--color-text);
      border-bottom: 2px solid var(--color-primary);
      padding-bottom: 10px;
      margin-bottom: 20px;
    }
    .modal-performance-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-bottom: 28px;
    }
    .modal-performance-card {
      background: var(--color-bg-light);
      border-radius: 4px;
      padding: 20px;
      text-align: center;
    }
    .modal-performance-card__label {
      font-size: 0.8rem;
      color: var(--color-text-sub);
      letter-spacing: 0.05em;
      margin-bottom: 6px;
    }
    .modal-performance-card__num {
      font-size: 1.9rem;
      font-weight: bold;
      color: var(--color-primary);
      line-height: 1.2;
    }
    .modal-performance-card__unit {
      font-size: 1rem;
      margin-left: 2px;
    }
    .modal-performance-card__text {
      font-size: 0.78rem;
      line-height: 1.6;
      color: var(--color-text);
      margin-top: 12px;
      text-align: left;
    }
    .modal-evidence-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 20px;
      margin-bottom: 20px;
    }
    .modal-evidence-card {
      position: relative;
    }
    .modal-evidence-card__tag {
      display: inline-block;
      background: var(--color-primary);
      color: #fff;
      font-size: 0.7rem;
      font-weight: bold;
      padding: 4px 10px;
      border-radius: 2px;
      margin-bottom: 8px;
    }
    .modal-evidence-card__img {
      width: 100%;
      background: #ddd;
      border-radius: 4px;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.7rem;
      line-height: 1.5;
      color: #888;
      text-align: center;
      margin-bottom: 12px;
    }
    .modal-evidence-card__img img {
      width: 100%;
      height: auto;
      display: block;
    }
    .modal-evidence-card__caption {
      font-size: 0.95rem;
      line-height: 1.7;
      color: var(--color-text);
    }
    .modal-evidence-card__caption strong {
      color: var(--color-primary);
      font-weight: bold;
    }

    /* =========================================================
       Floating Banner
    ========================================================= */
    .floating-banner {
      position: fixed;
      right: 0;
      top: 50%;
      bottom: auto;
      transform: translateY(-50%);
      z-index: 1000;
    }
    .floating-banner a {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: flex-start;
      gap: 18px;
      width: 76px;
      padding: 26px 0 22px;
      background: var(--color-grad);
      color: #fff;
      border-radius: 10px 0 0 10px;
      box-shadow: -6px 0 20px rgba(0,0,0,0.15);
      text-decoration: none;
    }
    .floating-banner__text {
      writing-mode: vertical-rl;
      font-size: 1.25rem;
      font-weight: bold;
      letter-spacing: 0.2em;
    }
    .floating-banner__icon {
      width: 30px;
      height: 30px;
      flex-shrink: 0;
      border-radius: 50%;
      background: #fff;
      color: var(--color-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      line-height: 1;
      padding: 0 0 8px 2px;
      font-size: 1.8rem;
    }

    /* =========================================================
       Footer
    ========================================================= */
    .site-footer {
      background: var(--color-grad-accent);
      color: var(--color-white);
      padding: 60px 20px 80px; /* バナー考慮 */
    }
    .footer-inner {
      max-width: 1000px;
      margin: 0 auto;
    }
    .footer-top {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 40px;
      border-bottom: 1px solid rgba(255,255,255,0.3);
      padding-bottom: 40px;
    }
    .footer-links { display: flex; gap: 30px; flex-wrap: wrap; }
    .footer-links a { font-size: 0.85rem; letter-spacing: 0.05em; }
    .footer-top .btn {
      width: auto;
      max-width: none;
      padding: 12px 45px 12px 25px;
      border: 1px solid transparent;
      border-image: linear-gradient(45deg, #fff 0%, #999 50%, #fff 100%) 1;
      flex-shrink: 0;
    }
    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 20px;
      font-size: 0.7rem;
      color: var(--color-text-onDark-muted);
    }
    .footer-copyright {
      margin: 0;
    }
    .footer-sns {
      display: flex;
      gap: 12px;
      flex-shrink: 0;
    }
    .footer-sns__item {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 30px;
      height: 30px;
      border-radius: 50%;
      border: 1px solid rgba(255,255,255,0.3);
      color: #fff;
    }
    .footer-sns__item svg {
      width: 18px;
      height: 18px;
    }

    /* Swiper Navigation Customization */
    .swiper-button-next, .swiper-button-prev {
      color: var(--color-primary) !important;
      transform: scale(0.6);
    }

    /* =========================================================
       Responsive (Tablet)
    ========================================================= */
    @media (min-width: 768px) and (max-width: 1024px) {
      .spec-container { flex-direction: column; gap: 30px; }
      .badge-row { flex-direction: column; }
      .warranty-badge, .shipping-badge { align-self: stretch; justify-content: center; }
      .message-section { padding-bottom: 0; }
      .message-visual {
        position: relative;
        top: auto;
        right: auto;
        bottom: auto;
        left: auto;
        width: 100%;
        max-width: 400px;
        margin: -60px -25px 0 auto;
        z-index: 1;
      }
      .message-visual > img.pc-only {
        display: none;
      }
      .message-visual > img.message-visual__sp-img {
        display: block;
        width: 100%;
        height: auto;
        aspect-ratio: 1 / 1;
        object-fit: contain;
        -webkit-mask-image: none;
        mask-image: none;
      }
      .message-sign.pc-only {
        display: none;
      }
    }

    /* =========================================================
       Responsive (SP)
    ========================================================= */
    @media (max-width: 767px) {
      .pc-only { display: none; }
      .sp-only { display: inline; }

      .site-header { padding: 10px 0; }
      .site-header img { height: 75px; }
      .menu-btn { top: 30px; right: 15px; width: 58px; height: 58px; padding-top: 1px; }
      .modal { width: 95%; padding: 16px; }
      .modal-close { width: 52px; height: 52px; top: 4px; right: 4px; font-size: 2.1rem; }
      .modal-field { flex-direction: column; }
      .modal-field__img { width: 100%; height: auto; aspect-ratio: 4 / 3; }
      .modal-performance-grid { grid-template-columns: 1fr; }
      .modal-research { margin-top: 8px; border-top: 1px solid #e0e0e0; padding-top: 24px; }
      .modal-research-item { flex-direction: column; }
      .modal-research-grid { display: flex; flex-direction: column; gap: 24px; }
      .menu-btn__line { width: 20px; }
      .menu-btn__text { font-size: 9px; }
      .drawer { padding: 100px 20px 40px; }

      .hero { margin: 0; height: 88vh; min-height: 560px; align-items: flex-start; }
      .hero__bg { border-radius: 0; background: linear-gradient(90deg, rgba(10,20,24,0.7) 0%, rgba(10,20,24,0.45) 32%, rgba(10,20,24,0.03) 62%), url('https://hybo.jp/images/mvbg02.png') no-repeat 75% 30%/cover; }
      .hero__content { margin-left: 0; margin-top: 20vh; padding: 0 20px; transform: none; }
      .hero__catch { font-size: 2.2rem; text-shadow: 0 0 16px rgba(0,0,0,0.7), 0 0 32px rgba(0,0,0,0.5); }

      .section-title-wrap { padding-left: 50px; }
      .section-title-wrap::before { width: 30px; top: 20px; }
      .section-title { font-size: 1.95rem; }

      .message-section {
        position: relative;
        background: transparent;
        margin-top: 88vh;
        padding: 60px 20px 0;
        overflow: hidden;
      }
      .message-section::before {
        background: #030709;
        opacity: 0.8;
        -webkit-mask-image: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.35) 65px, rgba(0,0,0,0.7) 120px, #000 190px);
        mask-image: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.35) 65px, rgba(0,0,0,0.7) 120px, #000 190px);
      }
      #story {
        scroll-margin-top: -40px;
      }
      .message-inner {
        position: relative;
        z-index: 2;
      }
      .message-catch {
        font-size: 1.7rem;
      }
      .message-text {
        text-shadow: 1px 1px 0 #000;
      }
      .message-text strong {
        text-shadow: none;
      }
      .message-visual {
        position: relative;
        top: auto;
        right: auto;
        bottom: auto;
        left: auto;
        width: 100%;
        max-width: 330px;
        margin: -60px -25px 0 auto;
        z-index: 1;
      }
      .message-visual > img.pc-only {
        display: none;
      }
      .message-visual > img.message-visual__sp-img {
        display: block;
        width: 100%;
        height: auto;
        aspect-ratio: 1 / 1;
        object-fit: contain;
        -webkit-mask-image: none;
        mask-image: none;
      }
      .message-sign__img {
        height: 50px;
        max-width: 100%;
        margin-top: 4px;
      }

      .about-box { margin-left: 0; width: 100%; }
      .about-catch { font-size: 1.8rem; }
      .comparison-lead { font-size: 1.2rem; }

      .usecase-grid { grid-template-columns: 1fr; gap: 20px; }

      .reservation-intro {
        flex-direction: column;
        align-items: center;
        gap: 20px;
        width: 100%;
        padding: 25px 20px;
      }
      .reservation-lead { font-size: 1.05rem; text-align: center; }
      .reservation-qr { display: none; }
      .reservation-line-btn { display: inline-block; }
      .shop-grid { grid-template-columns: 1fr; gap: 30px; }

      .feature-box { flex-direction: column-reverse; gap: 30px; }
      .feature-visual-frame { display: none; }
      .feature-section__bg { display: none; }
      .feature-visual {
        width: 100%;
        aspect-ratio: 1 / 1;
        background: url('https://hybo.jp/images/image_water.webp') center/cover;
        border-radius: 4px;
      }
      .purity-badge--mobile {
        display: flex;
        width: 130px;
        height: 130px;
        right: 12px;
        bottom: 12px;
      }
      .purity-badge--mobile .purity-badge__label { font-size: 0.75rem; }
      .purity-badge--mobile .purity-badge__num { font-size: 2.1rem; }
      .purity-badge--mobile .purity-badge__unit { font-size: 1.05rem; }
      .feature-section { background-position: center; }
      .ranking-wrapper { margin-left: 0; }
      .ranking-section__bg {
        height: 220px;
        width: 100%;
        object-fit: cover;
        object-position: left bottom;
      }
      
      .comparison-section__bg { width: 130%; }
      .compare-grid { min-width: 0; gap: 8px; }
      .compare-row { gap: 6px; }
      .compare-cell { line-height: 1.35; }
      .compare-thead .compare-cell { font-size: 0.82rem; }
      .hybo-brand { height: 32px; }
      .compare-title { font-size: 0.8rem; padding: 10px 6px; letter-spacing: 0; }
      .compare-data .compare-cell { padding: 10px 4px; font-size: 0.68rem; min-height: 64px; }
      .compare-data .cell-hybo { font-size: 0.78rem; }
      .comparison-note { text-align: left; }

      .spec-container { flex-direction: column; gap: 30px; }
      .spec-lead { font-size: 1.4rem; }
      .spec-price__num { font-size: 1.9rem; }
      .spec-price__unit { font-size: 1.05rem; }
      .badge-row { flex-direction: column; }
      .warranty-badge, .shipping-badge { align-self: stretch; justify-content: center; }
      
      .usage-steps { flex-direction: column; gap: 20px; }
      .step-arrow { transform: rotate(90deg); margin: 10px 0; }

      .consumable-card { flex-direction: column; text-align: center; padding: 35px 25px; gap: 20px; }
      .consumable-img { width: 160px; height: 160px; }
      .consumable-period {
        border-left: none;
        border-top: 1px solid #f0f0f0;
        padding-left: 0;
        padding-top: 20px;
        width: 100%;
        flex-direction: row;
        justify-content: center;
        align-items: baseline;
        gap: 12px;
      }
      .period-label { margin-bottom: 0; }

      .faq-q { padding-right: 30px; font-size: 1rem; }

      .company-box { flex-direction: column; padding: 40px 20px; gap: 25px; text-align: center; }
      .company-name { font-size: 1.35rem; }
      .company-logo {
        flex: 0 0 auto;
        width: 160px;
        margin: 0 auto;
        padding-bottom: 25px;
        border-bottom: 1px solid #f0f0f0;
      }

      .footer-top { flex-direction: column; gap: 30px; }
      .footer-bottom { flex-direction: column; gap: 15px; }
      .footer-links {
        display: grid;
        grid-template-columns: repeat(2, auto);
        grid-template-rows: repeat(3, auto);
        grid-auto-flow: column;
        justify-content: center;
        column-gap: 40px;
        row-gap: 15px;
      }

      .floating-banner {
        right: 0;
        bottom: 0;
        top: auto;
        transform: none;
        width: 100%;
      }
      .floating-banner a {
        flex-direction: row;
        justify-content: center;
        width: 100%;
        padding: 16px;
        gap: 12px;
        border-radius: 0;
      }
      .floating-banner__text {
        writing-mode: horizontal-tb;
        font-size: 1.25rem;
      }

      body {
        padding-bottom: 65px; 
      }
    }
