@charset "UTF-8";

/* =========================================================
   照山環境 - リニューアル スタイル
   ========================================================= */

:root {
    --green-900: #1b5e20;
    --green-700: #2e7d32;
    --green-500: #4caf50;
    --green-300: #81c784;
    --leaf: #66bb6a;
    --ink: #2b322c;
    --gray: #6b7770;
    --line: #e2e8e2;
    --bg: #ffffff;
    --bg-soft: #f3f7f2;
    --accent: #e8a33d;
    --shadow: 0 10px 30px rgba(27, 94, 32, .08);
    --radius: 14px;
    --container: 1120px;
    --header-h: 84px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: "Noto Sans JP", -apple-system, "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
    color: var(--ink);
    line-height: 1.9;
    font-size: 16px;
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    text-size-adjust: 100%;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--green-700); text-decoration: none; transition: .25s; }
a:hover { color: var(--green-500); }
ul { list-style: none; margin: 0; padding: 0; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 240px;
    padding: 14px 34px;
    border-radius: 999px;
    background: var(--green-700);
    color: #fff;
    font-weight: 600;
}
.btn:hover { background: var(--green-900); color: #fff; }

.container {
    width: min(92%, var(--container));
    margin-inline: auto;
}
.container--narrow { width: min(92%, 820px); }

.sp-only { display: none; }

/* ---------- アイコン（疑似要素） ---------- */
.ico-phone::before { content: "\260E"; margin-right: .4em; font-style: normal; }
.ico-up::before { content: "\2191"; font-style: normal; }

/* ---------- ヘッダー ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid var(--line);
}
.header-inner {
    width: min(94%, 1240px);
    margin-inline: auto;
    min-height: var(--header-h);
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: nowrap;
}
.header-logo { margin: 0; order: 0; }
.header-logo img { height: 46px; width: auto; }

.header-right {
    order: 2;
    display: flex;
    align-items: center;
    gap: 18px;
}
.header-tel { text-align: right; line-height: 1.2; color: var(--ink); }
.header-tel__label { display: block; font-size: 11px; color: var(--gray); }
.header-tel__num { font-family: "Montserrat", sans-serif; font-weight: 700; font-size: 21px; color: var(--green-700); }

/* ロゴの右にメニュー、さらに右に電話番号を1行で配置 */
.global-nav { order: 1; margin-left: auto; }
.global-nav ul {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 2px;
    flex-wrap: nowrap;
}
.global-nav a {
    display: block;
    padding: 10px 12px;
    color: var(--ink);
    font-weight: 500;
    font-size: 14px;
    border-radius: 8px;
    position: relative;
    white-space: nowrap;
}
.global-nav a:hover { background: var(--bg-soft); color: var(--green-700); }
.global-nav li.is-current a { color: var(--green-700); }
.global-nav li.is-current a::after {
    content: "";
    position: absolute;
    left: 12px; right: 12px; bottom: 4px;
    height: 2px;
    background: var(--green-500);
}
.global-nav__contact a {
    background: var(--green-700);
    color: #fff;
}
.global-nav__contact a:hover { background: var(--green-900); color: #fff; }

.global-nav__tel { display: none; }

.nav-toggle { display: none; }

/* ---------- ヒーロー ---------- */
.hero {
    position: relative;
    height: clamp(440px, 78vh, 720px);
    display: flex;
    align-items: center;
    overflow: hidden;
}
.hero-slider { position: absolute; inset: 0; }
.hero-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.6s ease;
}
.hero-slide.is-active {
    opacity: 1;
    /* ワンポイント：表示中の写真をゆっくりズーム（Ken Burns） */
    animation: heroZoom 7s ease-out forwards;
}
@keyframes heroZoom { from { transform: scale(1); } to { transform: scale(1.09); } }

/* スライド切り替えインジケーター */
.hero-dots {
    position: absolute;
    left: 50%;
    bottom: 26px;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 3;
}
.hero-dots button {
    width: 11px; height: 11px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, .85);
    background: transparent;
    padding: 0;
    cursor: pointer;
    transition: .3s;
}
.hero-dots button.is-active { background: #fff; transform: scale(1.15); }
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, rgba(20, 70, 30, .78) 0%, rgba(27, 94, 32, .45) 55%, rgba(76, 175, 80, .18) 100%);
}
.hero-content {
    position: relative;
    width: min(92%, var(--container));
    margin-inline: auto;
    color: #fff;
}
.hero-en {
    font-family: "Montserrat", sans-serif;
    letter-spacing: .25em;
    font-weight: 600;
    margin: 0 0 12px;
    opacity: .9;
}
.hero-title {
    font-family: "Noto Serif JP", serif;
    font-size: clamp(30px, 6vw, 60px);
    font-weight: 700;
    line-height: 1.4;
    margin: 0 0 20px;
    text-shadow: 0 4px 18px rgba(0, 0, 0, .25);
}
.hero-sub { font-size: clamp(14px, 2vw, 18px); line-height: 1.9; }
.hero-scroll {
    position: absolute;
    right: 40px;
    bottom: 0;
    color: #fff;
    font-family: "Montserrat", sans-serif;
    font-size: 11px;
    letter-spacing: .2em;
    writing-mode: vertical-rl;
}
.hero-scroll span { display: block; padding-bottom: 44px; position: relative; }
.hero-scroll span::after {
    content: "";
    position: absolute;
    left: 50%; bottom: 0;
    width: 1px; height: 34px;
    background: #fff;
    animation: scrollLine 1.8s ease-in-out infinite;
}
@keyframes scrollLine { 0%,100% { transform: scaleY(.3); opacity:.4; transform-origin: top; } 50% { transform: scaleY(1); opacity:1; } }

/* ---------- 取り扱い品目のご案内 ---------- */
.notice-band {
    background: #fff7ea;
    border-top: 3px solid var(--accent);
    border-bottom: 1px solid #f0e2c8;
    padding: 26px 0;
}
.notice {
    display: flex;
    align-items: center;
    gap: 22px;
}
.notice__badge {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    line-height: 1.4;
    padding: 8px 18px;
    border-radius: 999px;
    white-space: nowrap;
}
.notice__badge::before { content: "\26A0"; font-size: 16px; }
.notice__body { line-height: 1.8; }
.notice__lead {
    margin: 0 0 4px;
    font-size: clamp(16px, 2.2vw, 19px);
    font-weight: 700;
    color: #7a4f12;
}
.notice__lead strong { color: var(--accent); }
.notice__text { margin: 0; font-size: 15px; color: var(--ink); }
.notice__text strong { color: #c2410c; }

@media (max-width: 768px) {
    .notice { flex-direction: column; align-items: flex-start; gap: 14px; }
}

/* ---------- セクション共通 ---------- */
.section { padding: clamp(56px, 9vw, 110px) 0; }
.section--gray { background: var(--bg-soft); }

.section-head { text-align: center; margin-bottom: 48px; }
.section-en {
    font-family: "Montserrat", sans-serif;
    color: var(--green-500);
    letter-spacing: .22em;
    font-weight: 600;
    font-size: 14px;
    margin: 0 0 6px;
}
.section-title {
    font-family: "Noto Serif JP", serif;
    font-size: clamp(24px, 4vw, 36px);
    font-weight: 700;
    text-align: center;
    margin: 0 0 36px;
    line-height: 1.45;
}
.section-head .section-title { margin: 0; }
.section-title--left { text-align: left; margin-bottom: 20px; }
.section-title::after {
    content: "";
    display: block;
    width: 54px; height: 3px;
    background: var(--green-500);
    margin: 16px auto 0;
    border-radius: 2px;
}
.section-title--left::after { margin-left: 0; }

.section p { margin: 0 0 1.2em; }

/* ---------- 会社紹介 ---------- */
.about-grid {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 56px;
    align-items: center;
}
.about-photo img { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; object-fit: cover; }
.about-text { margin-bottom: 1.2em; }

/* ---------- サービスカード ---------- */
.service-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.service-card a,
.service-card__inner {
    display: block;
    height: 100%;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    color: var(--ink);
    transition: transform .3s, box-shadow .3s;
}
.service-card a:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(27, 94, 32, .16); }
.service-card__img { display: block; aspect-ratio: 16 / 11; overflow: hidden; }
.service-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.service-card a:hover .service-card__img img { transform: scale(1.07); }
.service-card__body { display: block; padding: 24px 24px 28px; }
.service-card__title {
    display: block;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--green-900);
}
.service-card__text { display: block; font-size: 14px; color: var(--gray); line-height: 1.85; margin-bottom: 18px; }
.service-card__more {
    display: inline-flex;
    align-items: center;
    font-weight: 600;
    color: var(--green-700);
    font-size: 14px;
}
.service-card__more::after { content: "→"; margin-left: 8px; transition: transform .25s; }
.service-card a:hover .service-card__more::after { transform: translateX(5px); }

/* ---------- 下層ページ ヒーロー ---------- */
.page-hero {
    background: linear-gradient(120deg, var(--green-900), var(--green-700));
    color: #fff;
    text-align: center;
    padding: clamp(56px, 11vw, 120px) 16px;
    position: relative;
    overflow: hidden;
}
.page-hero::after {
    content: "";
    position: absolute;
    right: -60px; top: -60px;
    width: 260px; height: 260px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .06);
}
.page-hero__title {
    font-family: "Noto Serif JP", serif;
    font-size: clamp(26px, 5vw, 42px);
    margin: 0;
    position: relative;
}
.page-hero__en {
    font-family: "Montserrat", sans-serif;
    letter-spacing: .25em;
    font-size: 13px;
    opacity: .8;
    margin: 10px 0 0;
}

.breadcrumb {
    font-size: 13px;
    color: var(--gray);
    padding: 16px 0;
}
.breadcrumb span { margin: 0 8px; color: var(--line); }

/* ---------- リード（文章＋写真） ---------- */
.lead-grid {
    display: grid;
    grid-template-columns: 1fr .85fr;
    gap: 44px;
    align-items: start;
    margin-bottom: 40px;
}
.lead-grid__photo img { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; }

.photo-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 40px;
}
.photo-row img { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; }

.figure-center { text-align: center; margin-top: 32px; }
.figure-center img { display: inline-block; border-radius: var(--radius); box-shadow: var(--shadow); }

.note { font-size: 14px; color: var(--gray); }

/* ---------- チェックリスト ---------- */
.check-list {
    display: grid;
    gap: 14px;
    margin: 28px 0;
}
.check-list--center { max-width: 720px; margin-inline: auto; }
.check-list li {
    position: relative;
    background: #fff;
    border: 1px solid var(--line);
    border-left: 4px solid var(--green-500);
    border-radius: 8px;
    padding: 14px 18px 14px 48px;
    box-shadow: 0 4px 14px rgba(27, 94, 32, .05);
}
.check-list li::before {
    content: "\2714";
    position: absolute;
    left: 16px; top: 50%;
    transform: translateY(-50%);
    color: var(--green-500);
    font-weight: 700;
}

/* ---------- ビフォーアフター ---------- */
.ba-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}
.ba-grid__item { margin: 0; text-align: center; flex: 1 1 320px; max-width: 420px; }
.ba-grid__item img { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; }
.ba-grid__item figcaption { margin-top: 12px; font-weight: 600; color: var(--green-700); }
.ba-grid__arrow { font-size: 32px; color: var(--green-300); font-weight: 700; }

/* ---------- フロー ---------- */
.flow {
    counter-reset: step;
    display: grid;
    gap: 18px;
    margin: 0 0 40px;
    max-width: 820px;
    margin-inline: auto;
}
.flow__step {
    display: flex;
    gap: 22px;
    align-items: flex-start;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 22px 26px;
    box-shadow: 0 6px 18px rgba(27, 94, 32, .05);
    position: relative;
}
.flow__num {
    flex: 0 0 auto;
    font-family: "Montserrat", sans-serif;
    font-size: 12px;
    font-weight: 600;
    color: var(--green-500);
    text-align: center;
    line-height: 1.1;
}
.flow__num b { display: block; font-size: 30px; color: var(--green-700); }
.flow__body h3 { margin: 0 0 6px; font-size: 18px; color: var(--green-900); }
.flow__body p { margin: 0; font-size: 15px; color: var(--gray); }

.emphasis {
    text-align: center;
    font-weight: 700;
    font-size: clamp(16px, 2.4vw, 20px);
    color: var(--green-900);
    background: var(--bg-soft);
    border-radius: var(--radius);
    padding: 28px 20px;
    line-height: 1.7;
}

.info-box {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 26px 30px;
    box-shadow: var(--shadow);
    max-width: 720px;
    margin-inline: auto;
}
.info-box__title { margin: 0 0 10px; color: var(--green-700); font-size: 18px; }

/* ---------- 商品紹介 ---------- */
.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    max-width: 980px;
    margin-inline: auto;
}
.product-grid__item { margin: 0; }
.product-grid__item img { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; }

/* ---------- 会社概要テーブル ---------- */
.profile {
    margin: 0;
    border-top: 1px solid var(--line);
}
.profile__row {
    display: grid;
    grid-template-columns: 200px 1fr;
    border-bottom: 1px solid var(--line);
}
.profile dt {
    padding: 22px 24px;
    font-weight: 700;
    background: var(--bg-soft);
    color: var(--green-900);
}
.profile dd { padding: 22px 24px; margin: 0; }

/* ---------- アクセス ---------- */
.access { margin-bottom: 36px; }
.access:last-child { margin-bottom: 0; }
.access__label { font-weight: 600; margin: 0 0 12px; }
.access__map {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    line-height: 0;
}
.access__map iframe { display: block; }

/* ---------- お問い合わせ ---------- */
.contact-lead { text-align: center; margin-bottom: 32px; }
.recruit-lead { text-align: center; font-size: 18px; padding: 24px 0; }
.contact-form {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: clamp(20px, 4vw, 40px);
    box-shadow: var(--shadow);
}
.contact-note { margin-top: 24px; font-size: 13px; color: var(--gray); }
.contact-note p { margin: 0 0 8px; }

/* お問い合わせフォーム */
.ico-mail::before { content: "\2709"; margin-right: .5em; font-style: normal; }
.form-row {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    padding: 24px 0;
    border-bottom: 1px solid var(--line);
}
.form-row:first-child { padding-top: 8px; }
.form-label {
    flex: 0 0 200px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding-top: 10px;
    font-weight: 600;
}
.form-required {
    display: inline-block;
    background: #e53935;
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    line-height: 1;
    padding: 4px 7px;
    border-radius: 4px;
}
.form-field { flex: 1 1 auto; }
.form-field input,
.form-field textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 12px 14px;
    font-size: 16px;
    font-family: inherit;
    color: inherit;
    background: #fff;
    transition: border-color .2s, box-shadow .2s;
}
.form-field textarea { resize: vertical; min-height: 140px; }
.form-field input:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--green-500);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, .15);
}
.form-submit { text-align: center; margin-top: 36px; }
.form-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 300px;
    padding: 18px 40px;
    border: none;
    border-radius: 8px;
    background: var(--green-700);
    color: #fff;
    font-size: 17px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background .2s;
}
.form-btn:hover { background: var(--green-900); }

@media (max-width: 680px) {
    .form-row { flex-direction: column; gap: 10px; }
    .form-label { flex-basis: auto; padding-top: 0; }
    .form-btn { min-width: 0; width: 100%; }
}

/* ---------- CTA ---------- */
.cta {
    background: linear-gradient(120deg, var(--green-900), var(--green-700));
    color: #fff;
    text-align: center;
    padding: clamp(48px, 8vw, 80px) 16px;
    position: relative;
    overflow: hidden;
}
.cta-lead {
    font-size: clamp(17px, 2.6vw, 24px);
    font-weight: 700;
    line-height: 1.8;
    margin: 0 0 28px;
}
.cta-actions {
    display: flex;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
}
.cta-tel {
    background: #fff;
    border-radius: 999px;
    padding: 12px 34px;
    color: var(--green-900);
    line-height: 1.2;
    box-shadow: 0 10px 24px rgba(0, 0, 0, .18);
}
.cta-tel__label { display: block; font-size: 11px; color: var(--gray); }
.cta-tel__num { font-family: "Montserrat", sans-serif; font-weight: 700; font-size: 26px; color: var(--green-900); }
.cta-mail {
    display: inline-flex;
    align-items: center;
    border: 2px solid #fff;
    border-radius: 999px;
    padding: 0 34px;
    color: #fff;
    font-weight: 600;
}
.cta-mail:hover { background: #fff; color: var(--green-900); }

/* ---------- フッター ---------- */
.site-footer {
    background: #18241a;
    color: #cfe0d2;
    padding: 56px 0 24px;
}
.footer-inner {
    width: min(92%, var(--container));
    margin-inline: auto;
    display: flex;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}
.footer-logo { margin: 0 0 18px; }
.footer-logo img { height: 44px; width: auto; background: #fff; padding: 8px 12px; border-radius: 8px; }
.footer-address { font-style: normal; font-size: 14px; line-height: 1.9; }
.footer-nav ul { display: grid; gap: 10px; }
.footer-nav a { color: #cfe0d2; font-size: 14px; }
.footer-nav a:hover { color: #fff; }
.footer-copy {
    text-align: center;
    margin: 40px 0 0;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, .12);
    font-size: 12px;
    color: #8fa593;
}

/* ---------- ページトップ ---------- */
.page-top {
    position: fixed;
    right: 20px;
    bottom: 20px;
    width: 48px; height: 48px;
    background: var(--green-700);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: .3s;
    z-index: 90;
}
.page-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.page-top:hover { background: var(--green-900); color: #fff; }

/* ---------- スクロール演出 ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-shown { opacity: 1; transform: none; }

/* =========================================================
   レスポンシブ
   ========================================================= */
@media (max-width: 900px) {
    .about-grid { grid-template-columns: 1fr; gap: 32px; }
    .about-photo { order: -1; }
    .service-cards { grid-template-columns: repeat(2, 1fr); max-width: 720px; margin-inline: auto; }
    .lead-grid { grid-template-columns: 1fr; gap: 24px; }
    .lead-grid__photo { order: -1; }
    .profile__row { grid-template-columns: 1fr; }
    .profile dt { padding-bottom: 6px; }
    .profile dd { padding-top: 10px; }
}

/* タブレット〜小型PC：メニューが1行に収まらないためハンバーガーに切替 */
@media (max-width: 1200px) {
    /* ヘッダーを1列に（ロゴ左・メニュー右） */
    .site-header { backdrop-filter: none; }
    .header-inner { flex-wrap: nowrap; gap: 12px; min-height: 64px; }
    .header-logo img { height: 40px; }
    .header-right { margin-left: auto; gap: 12px; }
    .header-tel { display: none; }

    /* ハンバーガー */
    .nav-toggle {
        display: inline-flex;
        flex-direction: column;
        justify-content: center;
        gap: 6px;
        width: 46px; height: 46px;
        background: var(--green-700);
        border: none;
        border-radius: 8px;
        cursor: pointer;
        padding: 0 11px;
        z-index: 120;
    }
    .nav-toggle span {
        display: block;
        height: 2px;
        background: #fff;
        border-radius: 2px;
        transition: .3s;
    }
    .nav-open .nav-toggle span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
    .nav-open .nav-toggle span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

    .global-nav {
        position: fixed;
        inset: 0 0 0 auto;
        width: min(78%, 320px);
        background: #fff;
        box-shadow: -10px 0 40px rgba(0, 0, 0, .15);
        padding: 84px 24px 40px;
        transform: translateX(100%);
        transition: transform .35s ease;
        order: 0;
        flex-basis: auto;
        overflow-y: auto;
    }
    .nav-open .global-nav { transform: translateX(0); }
    .global-nav ul { flex-direction: column; justify-content: flex-start; gap: 4px; }
    .global-nav a { padding: 14px 12px; border-bottom: 1px solid var(--line); border-radius: 0; }
    .global-nav li.is-current a::after { display: none; }
    .global-nav li.is-current a { background: var(--bg-soft); }
    .global-nav__contact a { margin-top: 14px; text-align: center; border-radius: 8px; border-bottom: none; }

    /* ドロワー内の電話番号 */
    .global-nav__tel { display: block; margin-top: 18px; }
    .global-nav__tel a {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        padding: 12px;
        border: 1px solid var(--green-500);
        border-radius: 8px;
        font-family: "Montserrat", sans-serif;
        font-weight: 700;
        font-size: 20px;
        color: var(--green-700);
    }

    body.nav-open { overflow: hidden; }
    body.nav-open::after {
        content: "";
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, .4);
        z-index: 110;
    }
    /* メニューを開いたらヘッダー（＝ドロワー・×ボタンの親）を
       オーバーレイより前面に出し、操作できるようにする */
    body.nav-open .site-header { z-index: 200; }
    .nav-toggle { position: relative; z-index: 130; }
    .global-nav { z-index: 115; }
}

@media (max-width: 768px) {
    .sp-only { display: inline; }

    .photo-row { grid-template-columns: 1fr; }
    .service-cards { grid-template-columns: 1fr; max-width: 480px; }
    .product-grid { grid-template-columns: 1fr; max-width: 420px; }
    .ba-grid__arrow { transform: rotate(90deg); }
    .cta-actions { flex-direction: column; align-items: stretch; }
    .cta-mail { padding: 14px 24px; justify-content: center; }
    .footer-inner { flex-direction: column; gap: 28px; }
}