/* ==============================================
   亜台富士Japan — ランディングページCSS
   CIカラー: #005BAC
   フォント: M PLUS 1p
   ============================================== */

/* CSS変数 */
:root {
    --color-primary: #005BAC;
    --color-cta: #005BAC;
    --color-footer: #1E3859;
    --color-text: #454545;
    --color-text-light: #707070;
    --color-white: #FFFFFF;
    --color-bg-light: #F0F6FB;
    --color-bg-gray: #F5F5F5;
    --font-family: 'M PLUS 1p', sans-serif;
    --header-height: 80px;
    --announce-height: 40px;
    --content-width: 1200px;
}

/* リセット */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-weight: 400;
    font-size: 16px;
    color: var(--color-text);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

/* ユーティリティ */
.mt-20 {
    margin-top: 20px;
}

.pc-only {
    display: inline;
}

/* ==================================
   ヘッダー
   ================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: var(--color-white);
    z-index: 1000;
    transition: box-shadow 0.3s ease;
}

.header.is-scrolled {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
}

.header-inner {
    max-width: var(--content-width);
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
}

.header-logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo {
    height: 40px;
    width: auto;
    filter: brightness(0) saturate(100%) invert(23%) sepia(97%) saturate(1552%) hue-rotate(193deg) brightness(96%) contrast(101%);
}

/* ナビゲーション */
.nav-list {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-link {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text);
    transition: color 0.3s;
    letter-spacing: 0.05em;
}

.nav-link:hover {
    color: var(--color-primary);
}

/* お問い合わせボタン（左上斜めカット） */
.nav-link--contact {
    display: inline-block;
    background: var(--color-primary);
    color: var(--color-white) !important;
    padding: 16px 48px;
    font-size: 15px;
    font-weight: 700;
    transition: background 0.3s;
    clip-path: polygon(19px 0, 100% 0, 100% 100%, 0 100%);
}

.nav-link--contact:hover {
    background: #004A8C;
    color: var(--color-white);
}

/* ハンバーガー（モバイルのみ） */
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 1001;
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text);
    position: absolute;
    left: 0;
    transition: all 0.3s;
}

.hamburger-line:nth-child(1) {
    top: 0;
}

.hamburger-line:nth-child(2) {
    top: 9px;
}

.hamburger-line:nth-child(3) {
    top: 18px;
}

.hamburger.is-open .hamburger-line:nth-child(1) {
    top: 9px;
    transform: rotate(45deg);
}

.hamburger.is-open .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger.is-open .hamburger-line:nth-child(3) {
    top: 9px;
    transform: rotate(-45deg);
}

/* ==================================
   告知バー
   ================================== */
.announce-bar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: var(--color-primary);
    z-index: 999;
    height: var(--announce-height);
    display: flex;
    align-items: center;
    justify-content: center;
}

.announce-text {
    color: var(--color-white);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-align: center;
}

/* ==================================
   メインラッパー
   ================================== */
.main-wrapper {
    margin-top: calc(var(--header-height) + var(--announce-height));
}

.section-inner {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 40px;
}

/* ==================================
   共通セクションタイトル
   ================================== */
.section-title-area {
    text-align: center;
    margin-bottom: 40px;
}

.section-title-ja {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.05em;
}

.section-title-en {
    font-size: 14px;
    font-weight: 300;
    color: var(--color-text-light);
    letter-spacing: 0.2em;
    margin-top: 6px;
}

/* ==================================
   ヒーローセクション
   ================================== */
.hero-section {
    position: relative;
    overflow: visible;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 0;
    padding-bottom: 30px;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 400px;
    background: linear-gradient(to bottom, rgba(240, 246, 251, 0) 0%, rgba(240, 246, 251, 0.3) 30%, rgba(240, 246, 251, 0.7) 60%, rgba(240, 246, 251, 1) 100%);
    z-index: 1;
    pointer-events: none;
}

.hero-video-wrap {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 白ボックス（テキスト＋製品画像） */
.hero-white-box {
    position: relative;
    z-index: 2;
    background: rgba(255, 255, 255, 0.52);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 0;
    max-width: var(--content-width);
    width: 90%;
    display: flex;
    align-items: stretch;
    gap: 30px;
    padding: 40px 50px 50px;
}

/* テキストエリア（左側） */
.hero-text-area {
    flex: 1 1 55%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-subtitle {
    font-size: 20px;
    font-weight: 300;
    color: var(--color-text-light);
    letter-spacing: 0.08em;
    margin-bottom: 12px;
}

.hero-heading {
    font-size: 30px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.hero-description {
    font-size: 15px;
    color: var(--color-text);
    line-height: 2;
    margin-bottom: 28px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
}

.hero-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 190px;
    padding: 16px 32px;
    font-size: 15px;
    font-weight: 500;
    border-radius: 4px;
    transition: all 0.3s;
    letter-spacing: 0.05em;
}

.hero-btn--primary {
    background: var(--color-primary);
    color: var(--color-white);
    border: 2px solid var(--color-primary);
}

.hero-btn--primary:hover {
    background: #004A8C;
    border-color: #004A8C;
}

.hero-btn--secondary {
    background: var(--color-text-light);
    color: var(--color-white);
    border: 2px solid var(--color-text-light);
}

.hero-btn--secondary:hover {
    background: #555;
    border-color: #555;
}

/* 製品画像エリア（右側） */
.hero-products-area {
    flex: 1 1 45%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}


.hero-products-grid {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 32px;
}

.hero-product-item {
    flex: 0 0 22%;
}

.hero-product-item img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

.hero-product-item--up {
    transform: translateY(-15px);
}

.hero-product-item--down {
    transform: translateY(10px);
}

.hero-product-item--down2 {
    transform: translateY(5px);
}

.hero-product-item--up img,
.hero-product-item--down img,
.hero-product-item--down2 img {
    max-height: 150px;
}


.hero-products-bottom {
    display: flex;
    justify-content: space-evenly;
    padding: 0 8%;
}

.hero-product-item--blower {
    flex: 0 0 30%;
}

.hero-product-item--blower img {
    max-height: 100px;
}

/* ==================================
   メッセージ・副社長セクション
   ================================== */
.message-customer-section {
    position: relative;
    z-index: 2;
    background: var(--color-bg-light);
    padding: 20px 0 100px;
    display: flex;
    justify-content: center;
}

.message-customer-box {
    background: var(--color-white);
    max-width: var(--content-width);
    width: 90%;
    padding: 80px 50px 60px;
    border-radius: 4px;
}

.section-divider {
    border: none;
    border-top: 1px solid #ddd;
    margin: 60px 0;
}

.message-box {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 40px;
}

.message-label {
    text-align: center;
    font-size: 14px;
    font-weight: 300;
    color: var(--color-text-light);
    letter-spacing: 0.2em;
    margin-bottom: 24px;
}

.message-heading {
    text-align: center;
    font-size: 28px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.6;
    margin-bottom: 48px;
}

.message-body {
    font-size: 16px;
    line-height: 2;
    color: var(--color-text);
}

.message-body p {
    margin-bottom: 24px;
}

/* 署名 */
.message-signature {
    text-align: right;
    margin-top: 48px;
    margin-bottom: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid #ddd;
}

.sig-title {
    font-size: 14px;
    color: var(--color-text);
}

.sig-name {
    font-size: 24px;
    font-weight: 500;
    color: var(--color-text);
    margin-top: 8px;
}

/* PDFリンク */
.message-pdf {
    display: flex;
    align-items: baseline;
    gap: 16px;
    justify-content: center;
}

.pdf-label {
    font-size: 14px;
    color: var(--color-text-light);
    flex-shrink: 0;
}

.pdf-link {
    font-size: 15px;
    color: var(--color-primary);
    text-decoration: underline;
    transition: opacity 0.3s;
}

.pdf-link:hover {
    opacity: 0.7;
}

/* 副社長メッセージ（統合ボックス内） */

.customer-inner {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 40px;
}

.customer-heading {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 40px;
}

.customer-text {
    font-size: 16px;
    line-height: 2;
    color: var(--color-text);
}

.customer-text p {
    margin-bottom: 24px;
}

.customer-sign {
    text-align: right;
    margin-top: 48px;
}

.sign-title {
    font-size: 14px;
    color: var(--color-text);
}

.sign-name {
    font-size: 24px;
    font-weight: 500;
    color: var(--color-text);
    margin-top: 8px;
}

/* ==================================
   私たちの強み
   ================================== */
.strength-section {
    background: var(--color-bg-light);
    padding-bottom: 100px;
}

.strength-photo {
    width: 100%;
    overflow: hidden;
    margin-bottom: 60px;
}

.strength-photo-img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* Q/D 哲学テキスト */
.qd-philosophy {
    text-align: center;
    margin-bottom: 80px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.qd-heading {
    font-size: 28px;
    font-weight: 400;
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: 40px;
    letter-spacing: 0.02em;
}

.qd-text {
    font-size: 15px;
    color: var(--color-text);
    line-height: 2.2;
}

.qd-text p {
    margin-bottom: 0;
}

/* 強みカード 3列 */
.strength-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    padding-top: 50px;
}

.strength-card {
    background: var(--color-white);
    border-radius: 16px;
    padding: 60px 32px 40px;
    text-align: center;
    position: relative;
    overflow: visible;
}

.strength-card-icon {
    width: 100px;
    height: 100px;
    position: absolute;
    top: -50px;
    left: 50%;
    transform: translateX(-50%);
}

.strength-card-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.strength-card-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.5;
    margin-bottom: 20px;
    margin-top: 10px;
}

.strength-card-text {
    font-size: 14px;
    line-height: 1.9;
    color: var(--color-text);
    text-align: left;
}

/* ==================================
   製品情報
   ================================== */
.products-section {
    background: var(--color-white);
    padding-bottom: 100px;
}

.products-photo {
    width: 100%;
    overflow: hidden;
    margin-bottom: 60px;
}

.products-photo-img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.products-lead {
    text-align: center;
    font-size: 22px;
    font-weight: 400;
    color: var(--color-text);
    margin-bottom: 50px;
    letter-spacing: 0.02em;
}


.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.product-card {
    background: var(--color-bg-gray);
    border-radius: 12px;
    padding: 48px 36px 36px;
    display: flex;
    flex-direction: column;
}

.product-card-title {
    font-size: 26px;
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 8px;
}

.product-card-en {
    font-size: 13px;
    font-weight: 300;
    color: var(--color-text-light);
    text-align: center;
    letter-spacing: 0.15em;
    margin-bottom: 24px;
}

.product-card-desc {
    font-size: 14px;
    line-height: 1.9;
    color: var(--color-text);
    margin-bottom: 28px;
}

/* 製品画像エリア */
.product-card-images {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 28px;
    min-height: 200px;
    padding: 0 20px;
}


.pump-img,
.blower-img {
    object-fit: contain;
    flex: 1 1 0;
    max-width: 25%;
    text-align: center;
}


/* クーラントポンプ画像サイズ統一 */
.pump-img--1,
.pump-img--2,
.pump-img--3,
.pump-img--4 {
    max-height: 160px;
}

/* サイドチャンネルブロワ */
.blower-img {
    max-width: 45%;
}

.blower-img--1 {
    max-height: 170px;
    transform: translateY(-12px);
}

.blower-img--2 {
    max-height: 170px;
    transform: translateY(12px);
}

/* 特徴バッジ（2×2配置） */
.product-badges {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 24px;
    margin-top: auto;
}

.product-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 8px;
    border: 2px solid var(--color-primary);
    border-radius: 15px;
    font-size: 14px;
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
}

/* ラインナップボタン */
.product-lineup-btn {
    display: block;
    width: 100%;
    padding: 16px;
    background: var(--color-primary);
    color: var(--color-white);
    text-align: center;
    font-size: 15px;
    font-weight: 500;
    border-radius: 50px;
    transition: background 0.3s;
    letter-spacing: 0.05em;
}

.product-lineup-btn:hover {
    background: #004A8C;
}

/* ==================================
   会社概要
   ================================== */
.company-section {
    background: var(--color-white);
    padding: 100px 0;
}

.company-table-wrap {
    max-width: 800px;
    margin: 0 auto;
    border-top: 1px solid var(--color-text-light);
}

.company-table {
    width: 100%;
    border-collapse: collapse;
}

.company-table tr {
    border-bottom: 1px solid #eee;
}

.company-table th,
.company-table td {
    padding: 24px 16px;
    font-size: 15px;
    line-height: 1.8;
    vertical-align: top;
    text-align: left;
    color: var(--color-text-light);
}

.company-table th {
    width: 120px;
    font-weight: 700;
    white-space: nowrap;
}

.company-sub {
    font-size: 14px;
    color: var(--color-text-light);
}

.office-name {
    font-weight: 700;
    font-size: 15px;
}

.office-address {
    font-size: 14px;
    color: var(--color-text-light);
}

.company-link {
    color: var(--color-text-light);
    transition: color 0.3s;
    text-decoration: underline;
    display: inline-flex;
    align-items: center;
}

.company-link:hover {
    color: var(--color-primary);
}

.company-link[target="_blank"]::after {
    content: "";
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-left: 6px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23707070' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6'%3E%3C/path%3E%3Cpolyline points='15 3 21 3 21 9'%3E%3C/polyline%3E%3Cline x1='10' y1='14' x2='21' y2='3'%3E%3C/line%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    transition: background-image 0.3s;
}

.company-link:hover[target="_blank"]::after {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23005BAC' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6'%3E%3C/path%3E%3Cpolyline points='15 3 21 3 21 9'%3E%3C/polyline%3E%3Cline x1='10' y1='14' x2='21' y2='3'%3E%3C/line%3E%3C/svg%3E");
}

/* ==================================
   お問い合わせ CTA
   ================================== */
.contact-section {
    background: var(--color-cta);
    padding: 80px 40px;
    text-align: center;
    margin: 0;
    border-radius: 0;
}

.contact-inner {
    max-width: 800px;
    margin: 0 auto;
}

.contact-catch {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.6;
    margin-bottom: 24px;
}

.contact-sub {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 40px;
}

.contact-button {
    display: inline-block;
    padding: 18px 64px;
    background: var(--color-white);
    color: var(--color-text);
    font-size: 16px;
    font-weight: 500;
    border-radius: 6px;
    transition: all 0.3s;
    letter-spacing: 0.05em;
}

.contact-button:hover {
    background: var(--color-bg-light);
    transform: translateY(-2px);
}

/* ==================================
   フッター
   ================================== */
.footer {
    background: var(--color-footer);
    padding: 60px 0 0;
    color: var(--color-white);
}

.footer-inner {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 40px;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 40px;
}

.footer-logo-link {
    display: block;
}

.footer-logo {
    height: 40px;
    width: auto;
}

.footer-nav-list {
    display: flex;
    gap: 32px;
}

.footer-nav-link {
    font-size: 14px;
    font-weight: 400;
    color: var(--color-white);
    transition: opacity 0.3s;
}

.footer-nav-link:hover {
    opacity: 0.7;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding: 24px 0;
}

.copyright {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 0.05em;
}

/* ==================================
   TOPに戻るボタン
   ================================== */
.back-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 60px;
    height: 60px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 900;
    text-decoration: none;
}

.back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    background: #004A8C;
}

.back-to-top-arrow {
    font-size: 12px;
    line-height: 1;
}

.back-to-top-text {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-top: 2px;
}

/* ==================================
   レスポンシブ: タブレット (max-width: 1024px)
   ================================== */
@media (max-width: 1024px) {
    :root {
        --header-height: 70px;
    }

    .header-inner {
        padding: 0 24px;
    }

    .logo {
        height: 32px;
    }

    .hero-white-box {
        flex-direction: column;
        width: 92%;
        padding: 36px 30px;
    }

    .hero-text-area {
        flex: none;
    }

    .hero-products-area {
        flex: none;
    }

    .strength-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .products-grid {
        grid-template-columns: 1fr;
    }
}

/* ==================================
   レスポンシブ: モバイル (max-width: 768px)
   ================================== */
@media (max-width: 768px) {
    :root {
        --header-height: 60px;
        --announce-height: 36px;
    }

    .pc-only {
        display: none;
    }

    .hamburger {
        display: block;
    }

    .header-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-white);
        padding: 100px 32px 40px;
        transition: right 0.3s ease;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
        z-index: 1000;
    }

    .header-nav.is-open {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        gap: 0;
    }

    .nav-link {
        display: block;
        padding: 16px 0;
        font-size: 16px;
        border-bottom: 1px solid #eee;
    }

    .nav-link--contact {
        text-align: center;
        margin-top: 16px;
        padding: 16px 32px;
        clip-path: none;
    }

    .announce-text {
        font-size: 11px;
    }

    .hero-section {
        min-height: auto;
        padding: 30px 0;
    }

    .hero-white-box {
        flex-direction: column;
        width: 94%;
        padding: 28px 20px;
        gap: 20px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-heading {
        font-size: 22px;
        margin-bottom: 16px;
    }

    .hero-description {
        font-size: 13px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 10px;
    }

    .hero-btn {
        min-width: auto;
        width: 100%;
        padding: 14px 20px;
    }

    .hero-products-grid {
        gap: 6px;
    }

    .hero-product-item {
        flex: 0 0 23%;
    }

    .hero-product-item--up {
        transform: translateY(-8px);
    }

    .hero-product-item--down {
        transform: translateY(6px);
    }

    .hero-product-item--down2 {
        transform: translateY(3px);
    }

    .hero-product-item--up img,
    .hero-product-item--down img,
    .hero-product-item--down2 img {
        max-height: 90px;
    }

    .hero-product-item--blower img {
        max-height: 90px;
    }

    .message-customer-section {
        padding: 60px 0 30px;
    }

    .message-customer-box {
        width: 100%;
        padding: 40px 20px;
        border-radius: 0;
        box-shadow: none;
        /* 念のため影も消す */
    }

    .message-box {
        max-width: none;
        padding: 0;
    }

    .message-heading {
        font-size: 22px;
    }

    .sig-name {
        font-size: 20px;
    }

    .message-pdf {
        flex-direction: column;
        align-items: center;
        gap: 8px;
    }

    .customer-section {
        padding: 20px 0 60px;
    }

    .customer-inner {
        max-width: none;
        padding: 0;
    }

    .customer-heading {
        font-size: 24px;
    }

    .section-inner {
        padding: 0 20px;
    }

    .qd-philosophy {
        max-width: none;
    }

    .qd-heading {
        font-size: 22px;
    }

    .strength-cards {
        grid-template-columns: 1fr;
        padding-top: 50px;
    }

    .section-title-ja {
        font-size: 26px;
    }

    .products-lead {
        font-size: 17px;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .product-card {
        padding: 32px 20px 28px;
    }

    .product-card-title {
        font-size: 22px;
    }

    .pump-img--1,
    .pump-img--2,
    .pump-img--3,
    .pump-img--4 {
        max-height: 120px;
        transform: none;
    }

    .blower-img--1,
    .blower-img--2 {
        max-height: 120px;
    }

    .company-section {
        padding: 60px 0;
    }

    .company-table th {
        display: block;
        width: 100%;
        padding-bottom: 4px;
        border-bottom: none;
    }

    .company-table td {
        display: block;
        padding-top: 0;
    }

    .contact-section {
        margin: 0 12px;
        padding: 60px 20px;
    }

    .contact-catch {
        font-size: 22px;
    }

    .contact-button {
        padding: 16px 40px;
        font-size: 15px;
    }

    .footer-content {
        flex-direction: column;
        gap: 24px;
        align-items: flex-start;
    }

    .footer-nav-list {
        flex-wrap: wrap;
        gap: 16px;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
}