/*
Theme Name: E-Totalink
Theme URI: https://e-totalink.jp/
Author: E-Totalink
Description: 株式会社Eトータリンク 公式コーポレートサイト用オリジナルテーマ。WDTクローンベースの日本語コーポレートデザイン。
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
License: All Rights Reserved
Text Domain: e-totalink
*/

/* =========================================================
   E-Totalink Corporate Site  -  共通スタイル
   デザイン: A案（WDTクローン）ベース
   ========================================================= */

:root {
    --text-color: #3E3A39;
    --text-light: #767270;
    --accent-color: #F5A623;
    --bg-color: #FFFFFF;
    --section-bg: #F4F3F1;
    --dark-color: #2A2724;
    --border-color: #E5E3E0;
    --font-family: 'Noto Sans JP', sans-serif;
    --header-h: 90px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + 12px);
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.9;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: inherit;
}

/* ---------- レイアウト共通 ---------- */
.inner {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 40px;
}

section {
    padding: 110px 0;
}

.section-head {
    margin-bottom: 56px;
}

.section-head .en {
    display: block;
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    color: var(--accent-color);
    font-weight: 700;
    margin-bottom: 12px;
}

.section-head .ja {
    font-size: 2rem;
    font-weight: 300;
    letter-spacing: 0.06em;
    line-height: 1.5;
}

.section-head.center {
    text-align: center;
}

.bg-gray {
    background: var(--section-bg);
}

/* ---------- ボタン / リンク ---------- */
.link-btn {
    display: inline-block;
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    text-decoration: none;
    color: var(--text-color);
    position: relative;
    padding-bottom: 6px;
    font-weight: 500;
}

.link-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 1px;
    background: var(--accent-color);
    transition: width 0.3s;
}

.link-btn:hover::after {
    width: 100%;
}

.btn {
    display: inline-block;
    background: var(--accent-color);
    color: #fff;
    text-decoration: none;
    font-size: 0.92rem;
    letter-spacing: 0.1em;
    font-weight: 500;
    padding: 18px 56px;
    border-radius: 2px;
    transition: opacity 0.3s;
}

.btn:hover {
    opacity: 0.82;
}

.btn--outline {
    background: transparent;
    color: var(--text-color);
    border: 1px solid var(--text-color);
}

/* ---------- ヘッダー ---------- */
.site-header {
    width: 100%;
    height: var(--header-h);
    padding: 0 4%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--border-color);
}

.site-logo {
    text-decoration: none;
    color: var(--text-color);
    line-height: 1.2;
}

.site-logo .logo-en {
    display: block;
    font-size: 1.45rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.site-logo .logo-ja {
    display: block;
    font-size: 0.62rem;
    letter-spacing: 0.14em;
    color: var(--text-light);
}

.gnav ul {
    display: flex;
    list-style: none;
    gap: 38px;
    align-items: center;
}

.gnav a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    transition: color 0.3s;
}

.gnav a:hover {
    color: var(--accent-color);
}

.gnav .nav-contact a {
    background: var(--dark-color);
    color: #fff;
    padding: 12px 26px;
    border-radius: 2px;
}

.gnav .nav-contact a:hover {
    color: #fff;
    opacity: 0.85;
}

/* ハンバーガー（44×44のタップ領域を確保） */
.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    position: relative;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1100;
    -webkit-tap-highlight-color: transparent;
}

.nav-toggle span {
    display: block;
    position: absolute;
    left: 10px;
    width: 24px;
    height: 2px;
    background: var(--text-color);
    transition: transform 0.3s, top 0.3s, opacity 0.3s;
}

.nav-toggle span:nth-child(1) { top: 16px; }
.nav-toggle span:nth-child(2) { top: 22px; }
.nav-toggle span:nth-child(3) { top: 28px; }

.nav-open .nav-toggle span:nth-child(1) { top: 22px; transform: rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle span:nth-child(3) { top: 22px; transform: rotate(-45deg); }

/* ---------- トップ：ヒーロー ---------- */
.hero {
    height: 100vh;
    min-height: 620px;
    background: linear-gradient(rgba(20, 18, 16, 0.42), rgba(20, 18, 16, 0.42)),
        url('assets/img/hero-power.jpg') no-repeat center center;
    background-size: cover;
    display: flex;
    align-items: center;
    padding: 0 10%;
    color: #fff;
}

.hero-content h1 {
    font-size: 2.9rem;
    font-weight: 300;
    line-height: 1.6;
    letter-spacing: 0.05em;
    margin-bottom: 26px;
}

.hero-content h1 strong {
    font-weight: 500;
    color: var(--accent-color);
}

.hero-content .hero-en {
    font-size: 0.95rem;
    letter-spacing: 0.16em;
    font-weight: 400;
    line-height: 2.2;
    opacity: 0.92;
}

/* ---------- 下層ページ：ページヘッダー ---------- */
.page-header {
    margin-top: var(--header-h);
    height: 280px;
    background: linear-gradient(rgba(20, 18, 16, 0.55), rgba(20, 18, 16, 0.55)),
        url('assets/img/hero-power.jpg') no-repeat center center;
    background-size: cover;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.page-header .en {
    font-size: 0.78rem;
    letter-spacing: 0.2em;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 8px;
}

.page-header .ja {
    font-size: 1.9rem;
    font-weight: 300;
    letter-spacing: 0.08em;
}

/* パンくず */
.breadcrumb {
    background: var(--section-bg);
    font-size: 0.74rem;
    color: var(--text-light);
}

.breadcrumb ul {
    max-width: 1120px;
    margin: 0 auto;
    padding: 14px 40px;
    list-style: none;
    display: flex;
    gap: 8px;
}

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

.breadcrumb a:hover {
    color: var(--accent-color);
}

/* ---------- トップ：会社紹介 ---------- */
.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
}

.intro-text h2 {
    font-size: 1.7rem;
    font-weight: 400;
    line-height: 1.6;
    letter-spacing: 0.04em;
    margin-bottom: 28px;
}

.intro-text h2 span {
    color: var(--accent-color);
}

.intro-text p {
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.intro-img img {
    width: 100%;
    height: 420px;
    object-fit: cover;
}

/* ---------- 事業カード ---------- */
.biz-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.biz-card {
    background: #fff;
    text-decoration: none;
    color: var(--text-color);
    display: block;
    border: 1px solid var(--border-color);
    transition: transform 0.3s, box-shadow 0.3s;
}

.biz-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.08);
}

.biz-card .card-img {
    height: 200px;
    overflow: hidden;
}

.biz-card .card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.biz-card:hover .card-img img {
    transform: scale(1.06);
}

.biz-card .card-body {
    padding: 28px 26px 32px;
}

.biz-card .card-no {
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    color: var(--accent-color);
    font-weight: 700;
}

.biz-card h3 {
    font-size: 1.15rem;
    font-weight: 500;
    margin: 8px 0 12px;
    letter-spacing: 0.03em;
}

.biz-card p {
    font-size: 0.86rem;
    color: var(--text-light);
    line-height: 1.85;
}

/* ---------- 強み（事業内容ページ） ---------- */
.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 90px;
}

.feature-row:last-child {
    margin-bottom: 0;
}

.feature-row.reverse .feature-img {
    order: 2;
}

.feature-img img {
    width: 100%;
    height: 360px;
    object-fit: cover;
}

.feature-img.product {
    background: #fff;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-img.product img {
    object-fit: contain;
    padding: 24px;
}

.feature-text .no {
    font-size: 0.78rem;
    letter-spacing: 0.16em;
    color: var(--accent-color);
    font-weight: 700;
}

.feature-text h3 {
    font-size: 1.5rem;
    font-weight: 400;
    margin: 10px 0 18px;
    letter-spacing: 0.04em;
}

.feature-text p {
    font-size: 0.93rem;
}

/* 領域グリッド（4区分） */
.domain-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.domain-grid--3 {
    grid-template-columns: repeat(3, 1fr);
}

.domain-item {
    background: #fff;
    border: 1px solid var(--border-color);
    padding: 38px 24px;
    text-align: center;
}

.domain-item .num {
    font-size: 1.6rem;
    color: var(--accent-color);
    font-weight: 300;
    letter-spacing: 0.1em;
}

.domain-item h4 {
    font-size: 1.05rem;
    font-weight: 500;
    margin: 12px 0 10px;
}

.domain-item p {
    font-size: 0.82rem;
    color: var(--text-light);
    line-height: 1.8;
}

/* ---------- 出資企業 ---------- */
.partner-list {
    display: grid;
    gap: 28px;
}

.partner-item {
    background: #fff;
    border: 1px solid var(--border-color);
    padding: 38px 44px;
    display: grid;
    grid-template-columns: 240px 1fr auto;
    gap: 36px;
    align-items: center;
}

.partner-item .p-name .p-jp {
    font-size: 1.15rem;
    font-weight: 500;
}

.partner-item .p-name .p-meta {
    font-size: 0.76rem;
    color: var(--text-light);
    letter-spacing: 0.04em;
}

.partner-item .p-desc {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.85;
}

.partner-item .p-link {
    white-space: nowrap;
}

/* トップ用：出資企業ロゴ簡易表示 */
.partner-simple {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.partner-simple .ps-item {
    background: #fff;
    border: 1px solid var(--border-color);
    padding: 34px 20px;
    text-align: center;
    text-decoration: none;
    color: var(--text-color);
    transition: border-color 0.3s;
}

.partner-simple .ps-item:hover {
    border-color: var(--accent-color);
}

.partner-simple .ps-logo {
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.partner-simple .ps-logo img {
    max-height: 50px;
    max-width: 100%;
    width: auto;
    object-fit: contain;
}

.partner-simple .ps-jp {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 6px;
}

.partner-simple .ps-meta {
    font-size: 0.74rem;
    color: var(--text-light);
}

.partner-item .p-logo {
    height: 52px;
    display: flex;
    align-items: center;
    margin-bottom: 14px;
}

.partner-item .p-logo img {
    max-height: 52px;
    max-width: 200px;
    width: auto;
    object-fit: contain;
}

/* ---------- 代表メッセージ ---------- */
.message-grid {
    max-width: 920px;
    margin: 0 auto;
}

.message-photo img {
    width: 100%;
    height: auto;
    display: block;
}

.message-body {
    margin-top: 44px;
}

.message-body h3 {
    font-size: 1.6rem;
    font-weight: 400;
    line-height: 1.6;
    margin-bottom: 26px;
    letter-spacing: 0.04em;
    text-align: center;
}

.message-body p {
    font-size: 0.95rem;
    margin-bottom: 18px;
}

.message-body .sign {
    margin-top: 30px;
    text-align: right;
    font-size: 0.86rem;
    color: var(--text-light);
}

.message-body .sign strong {
    margin-left: 10px;
    font-size: 1.15rem;
    color: var(--text-color);
    font-weight: 500;
    letter-spacing: 0.06em;
}

/* ---------- 経営理念 ---------- */
.philosophy-lead {
    text-align: center;
    margin-bottom: 64px;
}

.philosophy-lead p {
    font-size: 1.05rem;
    line-height: 2.2;
    letter-spacing: 0.04em;
}

.mvv-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.mvv-card {
    background: #fff;
    border-top: 3px solid var(--accent-color);
    padding: 44px 34px;
}

.mvv-card .mvv-en {
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 0.08em;
}

.mvv-card .mvv-ja {
    font-size: 0.8rem;
    color: var(--accent-color);
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 18px;
}

.mvv-card p {
    font-size: 0.9rem;
    line-height: 1.95;
}

/* ---------- 会社概要テーブル ---------- */
.info-table {
    width: 100%;
    border-collapse: collapse;
}

.info-table th,
.info-table td {
    text-align: left;
    padding: 22px 24px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.92rem;
    vertical-align: top;
}

.info-table th {
    width: 220px;
    font-weight: 500;
    background: var(--section-bg);
    letter-spacing: 0.04em;
}

/* ---------- 缶詰事業部 ---------- */
.kanzume-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.kanzume-hero .kz-img img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.kanzume-hero h2 {
    font-size: 1.6rem;
    font-weight: 400;
    line-height: 1.6;
    margin-bottom: 22px;
}

.kanzume-hero p {
    font-size: 0.93rem;
    margin-bottom: 28px;
}

/* ---------- お問い合わせ ---------- */
.contact-layout {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 64px;
}

.contact-form .form-row {
    margin-bottom: 26px;
}

.contact-form label {
    display: block;
    font-size: 0.86rem;
    font-weight: 500;
    margin-bottom: 10px;
}

.contact-form label .req {
    color: #C0392B;
    font-size: 0.72rem;
    margin-left: 8px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    border: 1px solid var(--border-color);
    background: var(--section-bg);
    padding: 14px 16px;
    font-family: var(--font-family);
    font-size: 0.92rem;
    color: var(--text-color);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: 2px solid var(--accent-color);
    background: #fff;
}

.contact-form textarea {
    resize: vertical;
    min-height: 160px;
}

.form-note {
    font-size: 0.78rem;
    color: var(--text-light);
    margin-bottom: 22px;
}

.contact-info {
    background: var(--section-bg);
    padding: 40px 36px;
}

.contact-info h3 {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 20px;
}

.contact-info dl {
    margin-bottom: 24px;
}

.contact-info dt {
    font-size: 0.74rem;
    color: var(--accent-color);
    font-weight: 700;
    letter-spacing: 0.08em;
    margin-top: 16px;
}

.contact-info dd {
    font-size: 0.92rem;
}

.contact-info .tel-big {
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: 0.04em;
}

.contact-info a {
    color: inherit;
    text-decoration: none;
}

.map-embed iframe {
    width: 100%;
    height: 260px;
    border: 0;
    margin-top: 8px;
}

/* ---------- CTA 帯 ---------- */
.cta-band {
    background: linear-gradient(rgba(42, 39, 36, 0.86), rgba(42, 39, 36, 0.86)),
        url('assets/img/engineer.jpg') no-repeat center center;
    background-size: cover;
    color: #fff;
    text-align: center;
}

.cta-band h2 {
    font-size: 1.8rem;
    font-weight: 300;
    letter-spacing: 0.05em;
    margin-bottom: 14px;
}

.cta-band p {
    font-size: 0.9rem;
    opacity: 0.85;
    margin-bottom: 34px;
}

/* ---------- フッター ---------- */
.site-footer {
    background: var(--dark-color);
    color: #cfcbc6;
    padding: 70px 0 28px;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr;
    gap: 50px;
    padding-bottom: 44px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand .logo-en {
    font-size: 1.4rem;
    font-weight: 700;
    color: #fff;
}

.footer-brand .logo-ja {
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.footer-brand address {
    font-style: normal;
    font-size: 0.8rem;
    line-height: 1.9;
}

.footer-col h4 {
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    color: var(--accent-color);
    margin-bottom: 16px;
    text-transform: uppercase;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 11px;
}

.footer-col a {
    text-decoration: none;
    color: #cfcbc6;
    font-size: 0.84rem;
    transition: color 0.3s;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    font-size: 0.72rem;
    color: #8c8881;
}

.footer-bottom a {
    color: #8c8881;
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-policy-links {
    display: flex;
    gap: 22px;
}

/* ---------- 規約・ポリシー（共通） ---------- */
.legal-content {
    max-width: 760px;
    margin: 0 auto;
}

.legal-content > p:first-child {
    margin-bottom: 36px;
    color: var(--text-light);
    font-size: 0.95rem;
}

.legal-content h3 {
    font-size: 1.1rem;
    font-weight: 500;
    margin-top: 44px;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
    letter-spacing: 0.04em;
}

.legal-content h3:first-child {
    margin-top: 0;
}

.legal-content p,
.legal-content ul,
.legal-content ol {
    font-size: 0.93rem;
    margin-bottom: 16px;
    line-height: 1.95;
}

.legal-content ul,
.legal-content ol {
    padding-left: 1.5em;
}

.legal-content li {
    margin-bottom: 6px;
}

.legal-content .updated {
    text-align: right;
    color: var(--text-light);
    font-size: 0.78rem;
    margin-top: 56px;
}

/* ---------- レスポンシブ ---------- */

/* タブレット〜小型ノート（〜900px） */
@media (max-width: 900px) {
    section { padding: 84px 0; }

    .intro-grid,
    .feature-row,
    .feature-row.reverse .feature-img,
    .kanzume-hero,
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    .feature-row { margin-bottom: 60px; }
    .feature-row.reverse .feature-img { order: 0; }

    .biz-cards,
    .mvv-grid,
    .domain-grid,
    .partner-simple {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .intro-img img,
    .feature-img img,
    .kanzume-hero .kz-img img { height: 320px; }

    .page-header { height: 240px; }
    .gnav ul { gap: 24px; }
}

/* スマートフォン（〜768px） */
@media (max-width: 768px) {
    :root { --header-h: 64px; }

    body { font-size: 15px; }
    .inner { padding: 0 22px; }
    section { padding: 60px 0; }
    .section-head { margin-bottom: 36px; }

    /* ヘッダー・ナビゲーション */
    .site-logo {
        position: relative;
        z-index: 1100;
    }
    .site-logo .logo-en { font-size: 1.2rem; }
    .nav-toggle { display: block; }

    .gnav {
        position: fixed;
        top: 0;
        right: 0;
        width: 100%;
        height: 100vh;
        height: 100dvh;
        background: rgba(255, 255, 255, 0.98);
        display: flex;
        align-items: center;
        justify-content: center;
        transform: translateX(100%);
        transition: transform 0.35s ease;
    }
    .nav-open .gnav { transform: translateX(0); }
    body.nav-open { overflow: hidden; }

    .gnav ul {
        flex-direction: column;
        gap: 4px;
        width: 100%;
        padding: 0 24px;
        text-align: center;
    }
    .gnav a {
        display: block;
        font-size: 1.05rem;
        padding: 15px;
    }
    .gnav .nav-contact { margin-top: 18px; }
    .gnav .nav-contact a {
        display: inline-block;
        padding: 15px 46px;
    }

    /* ヒーロー */
    .hero {
        padding: 0 24px;
        min-height: 500px;
    }
    .hero-content h1 {
        font-size: 1.8rem;
        margin-bottom: 18px;
    }
    .hero-content .hero-en { font-size: 0.82rem; line-height: 2; }

    /* ページヘッダー・パンくず */
    .page-header { height: 200px; }
    .page-header .ja { font-size: 1.35rem; }
    .breadcrumb ul { padding: 12px 22px; }

    /* 見出し */
    .section-head .ja { font-size: 1.45rem; }
    .intro-text h2 { font-size: 1.3rem; }
    .feature-text h3 { font-size: 1.25rem; }
    .message-body h3 { font-size: 1.3rem; }
    .kanzume-hero h2 { font-size: 1.3rem; }
    .cta-band h2 { font-size: 1.45rem; }
    .philosophy-lead { margin-bottom: 40px; }
    .philosophy-lead p { font-size: 0.96rem; line-height: 2; }

    /* グリッド → 1カラム */
    .biz-cards,
    .mvv-grid,
    .domain-grid,
    .partner-simple {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .partner-item {
        grid-template-columns: 1fr;
        gap: 14px;
        padding: 28px 24px;
    }

    /* 画像の高さ */
    .intro-img img,
    .feature-img img,
    .kanzume-hero .kz-img img { height: 240px; }
    .feature-row { margin-bottom: 48px; }

    /* 会社概要テーブル */
    .info-table th,
    .info-table td {
        display: block;
        width: 100%;
    }
    .info-table th {
        border-bottom: none;
        padding: 14px 16px 4px;
    }
    .info-table td { padding: 4px 16px 16px; }

    /* 経営理念 */
    .mvv-card { padding: 32px 26px; }

    /* お問い合わせ */
    .contact-info { padding: 32px 24px; }
    .contact-form input,
    .contact-form textarea {
        font-size: 16px; /* iOSでのフォーカス時の自動ズームを防止 */
    }

    /* ボタン */
    .btn {
        padding: 16px 36px;
        font-size: 0.9rem;
    }

    /* フッター */
    .footer-top { gap: 28px; }
    .footer-bottom {
        flex-direction: column;
        gap: 10px;
    }
}

/* 小型スマートフォン（〜480px） */
@media (max-width: 480px) {
    .inner { padding: 0 18px; }
    section { padding: 54px 0; }

    .hero-content h1 { font-size: 1.6rem; }
    .hero-content .hero-en { font-size: 0.76rem; }

    .section-head .ja { font-size: 1.3rem; }
    .page-header { height: 180px; }

    .biz-card .card-img { height: 190px; }
    .biz-card .card-body { padding: 24px 22px 28px; }

    .domain-item { padding: 30px 20px; }
    .mvv-card { padding: 28px 22px; }
    .contact-info .tel-big { font-size: 1.35rem; }

    .btn {
        padding: 15px 28px;
        font-size: 0.88rem;
    }
}

/* モーション低減設定への対応 */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}