/* ==========================================================================
       Google Fonts （style.css から統合）
       ========================================================================== */
    @import url("https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700&display=swap");

    /* ==========================================================================
       style.css 由来：基本リセット ＋ 共通コンポーネント（.container / .btn）
       ========================================================================== */
    *,
    *::before,
    *::after {
        box-sizing: border-box;
    }

    .container {
        width: 100%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 18px 45px;
        font-size: 0.95rem;
        font-weight: 500;
        border-radius: 50px;
        transition: var(--transition-smooth);
        cursor: pointer;
        letter-spacing: 0.1em;
        border: 1px solid transparent;
        text-decoration: none;
    }

    .btn-primary {
        background-color: #fff;
        color: var(--primary-color);
    }

    .btn-primary:hover {
        background-color: var(--primary-hover);
        color: var(--text-white);
    }

    .btn-outline {
        background-color: transparent;
        color: var(--primary-color);
        border-color: var(--primary-color);
    }

    .btn-outline:hover {
        background-color: var(--primary-color);
        color: var(--text-white);
    }

    /* ==========================================================================
       1. デザイン共通設定 & グラデーション
       ========================================================================== */
    :root {
        /* イージング（標準curveは弱いのでカスタム） */
        --ease-out-strong: cubic-bezier(0.23, 1, 0.32, 1);
        --ease-in-out-strong: cubic-bezier(0.77, 0, 0.175, 1);
        --ease-drawer: cubic-bezier(0.32, 0.72, 0, 1);

        /* ブランドカラーをピンクから上品なオレンジ・ゴールド系へ変更 */
        --primary-color: #f76246;
        --primary-hover: #db5239;
        --secondary-color: #937960;
        --secondary-hover: #7c6552;

        --bg-pure: #ffffff;
        --bg-soft-pink: #fdf7f4; /* 暖かみのあるアプリコットベージュ */
        --bg-light-gray: #eef4f2;

        --border-color-pink: #ffdcb8; /* オレンジ系ベージュの境界線 */
        --shadow-medium: 0 10px 40px rgba(224, 139, 76, 0.05);
        --shadow-hover: 0 15px 45px rgba(224, 139, 76, 0.1);

        --re2o-orange-grad: linear-gradient(135deg, #f76246 0%, #f3ba8b 100%);
        --re2o-gold-grad: linear-gradient(135deg, #b8987a 0%, #d4bda7 100%);
        --glass-bg: rgba(255, 255, 255, 0.85);
        --glass-border: rgba(255, 255, 255, 0.6);
        --glass-shadow: 0 15px 35px rgba(224, 139, 76, 0.04);

        /* style.css 由来：テキスト・ボーダー・トランジション */
        --text-dark: #333333;
        --text-muted: #666666;
        --text-light: #999999;
        --text-white: #ffffff;
        --border-color: #eeeeee;
        --shadow-subtle: 0 8px 30px rgba(0, 0, 0, 0.03);
        --font-base: "Noto Sans JP", Arial, "Hiragino Sans", "Yu Gothic Medium", "Meiryo", sans-serif;
        --transition-smooth: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
        --transition-fast: all 0.2s ease;
    }

    /* re2o LP 内部の基本タイポ：WP本体への影響を避けるため body には掛けず、
               main / section / div など内側要素に継承される形にする */
    .re2o-hero,
    .re2o-hero-nav,
    section,
    aside,
    .concern-modal,
    .price-tables-wrap,
    .option-prices,
    .spec-table-wrapper {
        font-family: var(--font-base);
        color: var(--text-dark);
        line-height: 1.8;
        letter-spacing: 0.05em;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        text-rendering: optimizeLegibility;
    }

    section,
    aside {
        padding: 80px 0;
        background-color: var(--bg-pure);
    }

    /* 数値の桁ズレを防ぐ（料金・評価・パーセンテージ） */
    .evidence-value,
    .option-table td,
    .flow-step-no {
        font-variant-numeric: tabular-nums;
    }

    /* 見出しは2行収まりを最適化、本文は孤立行を避ける */
    .section-title-ja-re2o,
    .re2o-hero-title-main,
    .other-menu-ttl,
    .concerns-conclusion-card h3 {
        text-wrap: balance;
    }

    .section-title-desc,
    .about-re2o-text p,
    .ecm-text p,
    .mechanism-step-content p,
    .faq-answer-inner {
        text-wrap: pretty;
    }

    /* 画像エッジのにじみ防止：純黒の極薄アウトライン */
    .ecm-visual img,
    .mechanism-img-wrapper img,
    .other-menu-item-img img,
    .concern-modal-image-wrapper img {
        outline: 1px solid rgba(0, 0, 0, 0.08);
        outline-offset: -1px;
    }

    .section-header-re2o {
        text-align: center;
        margin-bottom: 60px;
    }

    .section-title-en-re2o {
        font-size: 0.78rem;
        color: var(--primary-color);
        letter-spacing: 0.12em;
        font-weight: 700;
        display: inline-flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 18px;
    }

    .section-title-en-re2o::before,
    .section-title-en-re2o::after {
        content: "";
        width: 24px;
        height: 1px;
        background-color: var(--primary-color);
        opacity: 0.5;
    }

    .section-title-ja-re2o {
        font-size: 2.2rem;
        font-weight: 500;
        color: var(--text-dark);
        letter-spacing: 0.06em;
        line-height: 1.45;
    }

    .section-title-ja-re2o span {
        font-weight: 700;
        color: var(--primary-color);
    }

    .section-title-desc {
        font-size: 1rem;
        color: var(--text-muted);
        margin-top: 15px;
        line-height: 1.6;
    }

    /* ==========================================================================
       2. ヒーローセクション (Hero Section - A CLINIC風)
       ========================================================================== */
    .re2o-hero {
        position: relative;
        display: flex;
        align-items: center;
        /* 落ち着いた肌色ベース：上→下に薄くフェードする静かなグラデ */
        background:
            radial-gradient(ellipse at 80% 0%, #ffe6da 0%, transparent 60%), radial-gradient(ellipse at 0% 100%, #fff1e6 0%, transparent 55%), linear-gradient(180deg, #fff7f1 0%, #ffffff 100%);
        padding-top: 40px; /* 固定ヘッダー(90px)を避ける安全なパディング */
        padding-bottom: 4cap;
        overflow: hidden;
    }

    /* 水泡・水滴のデコレーション */
    .re2o-hero-drops {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 1;
        pointer-events: none;
    }

    .re2o-hero-drops [class^="drop-"] {
        position: absolute;
        background: radial-gradient(circle at 35% 35%, rgba(255, 255, 255, 0.7) 0%, rgba(255, 240, 235, 0.3) 40%, rgba(224, 115, 83, 0.15) 70%, rgba(255, 255, 255, 0.6) 100%);
        border-radius: 50%;
        box-shadow:
            inset -2px -2px 6px rgba(224, 115, 83, 0.1),
            inset 2px 2px 6px rgba(255, 255, 255, 0.9),
            0 8px 20px rgba(224, 115, 83, 0.05);
        backdrop-filter: blur(1px);
    }

    /* 水滴は2点のみ・極控えめに（医療系の落ち着きを優先） */
    .drop-1 {
        width: 220px;
        height: 220px;
        top: 8%;
        left: -60px;
        opacity: 0.45;
        filter: blur(2px);
    }
    .drop-2 {
        width: 280px;
        height: 280px;
        bottom: -80px;
        right: -60px;
        opacity: 0.35;
        filter: blur(3px);
    }
    .drop-3,
    .drop-4,
    .drop-5 {
        display: none;
    }

    @media (prefers-reduced-motion: reduce) {
        .re2o-hero-drops {
            display: none;
        }
    }

    .re2o-hero-wrapper {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 100%;
        gap: 50px;
        position: relative;
        z-index: 2;
    }

    .re2o-hero-image-box {
        flex: 1;
        display: flex;
        justify-content: center;
        align-items: center;
        max-width: 460px;
    }

    .re2o-hero-image-box img {
        width: 100%;
        height: auto;
        object-fit: contain;
        filter: drop-shadow(0 18px 36px rgba(224, 115, 83, 0.14));
    }

    .re2o-hero-title-box {
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        text-align: center;
        max-width: 460px;
    }

    .re2o-hero-title-eyebrow {
        display: inline-block;
        font-size: 0.78rem;
        font-weight: 700;
        letter-spacing: 0.28em;
        color: var(--primary-color);
        padding: 6px 14px;
        border: 1px solid rgba(224, 139, 76, 0.35);
        border-radius: 999px;
        margin-bottom: 24px;
        background: rgba(255, 255, 255, 0.6);
    }

    .re2o-hero-title-main {
        font-size: 3.4rem;
        font-weight: 700;
        color: #e15c42;
        letter-spacing: 0.04em;
        margin-bottom: 10px;
        line-height: 1.15;
    }

    .re2o-hero-title-sub {
        font-size: 1.2rem;
        font-weight: 400;
        color: #8a5b4a;
        letter-spacing: 0.32em;
        padding-top: 4px;
    }

    .re2o-hero-title-lead {
        margin-top: 28px;
        max-width: 460px;
        font-size: 0.95rem;
        line-height: 1.95;
        color: #6b5347;
        text-align: center;
    }

    /* ページ内アンカーリンク ナビゲーションバー (Sticky追従型) */
    .re2o-hero-nav {
        position: sticky;
        top: 80px;
        width: 100%;
        background: rgba(255, 255, 255, 0.96);
        backdrop-filter: blur(10px);
        border-top: 1px solid #ffdcd0;
        border-bottom: 1px solid #ffdcd0;
        z-index: 999;
        transition: background 0.3s ease;
    }
    @media (max-width: 768px) {
        .re2o-hero-nav {
            top: 60px;
        }
    }

    .re2o-hero-nav-list {
        display: flex;
        justify-content: center;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0;
        list-style: none;
    }

    .re2o-hero-nav-item {
        flex: 1;
        text-align: center;
        border-right: 1px solid #eeeeee;
        position: relative;
    }

    .re2o-hero-nav-item:first-child {
        border-left: 1px solid #eeeeee;
    }

    .re2o-hero-nav-item a {
        display: block;
        padding: 22px 10px;
        min-height: 44px;
        font-size: 0.92rem;
        font-weight: 700;
        color: #444444;
        letter-spacing: 0.03em;
        transition-property: color, background-color;
        transition-duration: 180ms;
        transition-timing-function: var(--ease-out-strong);
        white-space: nowrap;
    }

    .re2o-hero-nav-item a:hover {
        color: #e07353;
        background-color: rgba(255, 240, 235, 0.5);
    }

    /* ==========================================================================
       3. Re2Oとは？ (About Re2O) & ECM解説
       ========================================================================= */
    .about-re2o-content {
        position: relative;
        margin-bottom: 60px;
        padding: 70px 50px;
        background-color: var(--bg-light-gray);
        background-image: linear-gradient(90deg, var(--bg-soft-pink) 0%, rgba(255, 250, 245, 0.92) 60%, rgba(255, 250, 245, 0.4) 75%, rgba(255, 250, 245, 0) 100%), url(../img/re2o_bottle.png);
        background-repeat: no-repeat, no-repeat;
        background-position: center, 108%;
        background-size: contain;
        overflow: hidden;
    }

    .about-re2o-text {
        max-width: 540px;
        position: relative;
        z-index: 1;
    }

    .about-re2o-text h3 {
        font-size: 1.8rem;
        font-weight: 500;
        color: var(--text-dark);
        margin-bottom: 25px;
        position: relative;
        padding-bottom: 12px;
    }

    .about-re2o-text h3::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 0;
        width: 50px;
        height: 2px;
        background-color: var(--primary-color);
    }

    .about-re2o-text p {
        font-size: 1rem;
        color: var(--text-muted);
        line-height: 1.85;
        margin-bottom: 25px;
    }

    .about-re2o-highlight-box {
        background: #fff;
        border-left: 4px solid var(--primary-color);
        padding: 20px 25px;
        border-radius: 0 12px 12px 0;
        font-weight: 500;
        color: var(--text-dark);
        margin-bottom: 30px;
        line-height: 1.7;
    }

    /* ECM解説ボックス */
    .ecm-box {
        display: grid;
        grid-template-columns: 0.85fr 1fr;
        gap: 50px;
        background-color: var(--bg-soft-pink);
        padding: 45px;
        /* border: 1px solid var(--border-color-pink); */
        align-items: center;
        margin-bottom: 80px;
    }

    .ecm-text h3 {
        font-size: 1.5rem;
        font-weight: 700;
        color: var(--primary-color);
        margin-bottom: 20px;
    }

    .ecm-text p {
        font-size: 0.95rem;
        color: var(--text-muted);
        line-height: 1.8;
        margin-bottom: 15px;
    }

    .ecm-text .em {
        font-weight: 700;
        color: var(--text-dark);
        background: linear-gradient(transparent 70%, #ffebd4 70%);
    }

    .ecm-visual {
        /* 外 24px - パディング 8px = 内 16px の同心円 */
        border-radius: 20px;
        overflow: hidden;
        padding: 8px;
        background-color: var(--bg-pure);
        box-shadow:
            0 1px 2px rgba(184, 90, 58, 0.04),
            0 12px 32px rgba(184, 90, 58, 0.06);
    }

    .ecm-visual img {
        border-radius: 12px;
    }

    .ecm-visual img {
        width: 100%;
        height: auto;
        display: block;
    }

    /* 対比テーブル */
    .comparison-wrapper {
        background: var(--bg-pure);
        /* border-radius: 20px; */
        /* padding: 40px; */
        /* box-shadow: var(--shadow-subtle); */
        /* border: 1px solid var(--border-color); */
        margin-top: 50px;
    }

    .comparison-title {
        text-align: center;
        font-size: 1.4rem;
        font-weight: 700;
        color: var(--text-dark);
        margin-bottom: 35px;
    }

    .comparison-table {
        width: 100%;
        border-collapse: separate;
        border-spacing: 0;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 22px 25px;
        font-size: 0.95rem;
        border-bottom: 1px solid var(--border-color);
    }

    .comparison-table th {
        font-weight: 700;
        background-color: var(--bg-soft-pink);
        color: var(--text-dark);
    }

    .comparison-table th:first-child {
        /* border-radius: 12px 0 0 0; */
        text-align: left;
    }

    .comparison-table th:last-child {
        /* border-radius: 0 12px 0 0; */
    }

    .comparison-table td:first-child {
        font-weight: 700;
        color: var(--text-dark);
        text-align: left;
        background-color: var(--bg-soft-pink);
        width: 25%;
    }

    .comparison-table tr:last-child td {
        border-bottom: none;
    }

    .comparison-table tr:last-child td:first-child {
        /* border-radius: 0 0 0 12px; */
    }

    .comparison-table tr:last-child td:last-child {
        /* border-radius: 0 0 12px 0; */
    }

    /* Re2Oカラムの強調 */
    .comparison-re2o {
        background-color: rgba(224, 139, 76, 0.02) !important;
        font-weight: 500;
        position: relative;
    }

    .comparison-re2o-header {
        background: var(--primary-color) !important;
        color: var(--text-white) !important;
        font-size: 1.1rem !important;
    }

    .comparison-badge {
        display: inline-block;
        background: var(--primary-color);
        color: var(--text-white);
        font-size: 0.75rem;
        padding: 3px 10px;
        border-radius: 20px;
        font-weight: 700;
        margin-bottom: 5px;
    }

    /* ==========================================================================
       4. 臨床エビデンス (Evidence)
       ========================================================================== */
    .evidence-section {
        background: var(--bg-light-gray);
        position: relative;
    }

    .evidence-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }

    .evidence-card {
        background: var(--bg-pure);
        /* border-radius: 20px; */
        padding: 50px 35px;
        text-align: center;
        /* box-shadow: var(--shadow-subtle); */
        /* border: 1px solid var(--border-color); */
        transition: var(--transition-smooth);
        position: relative;
        overflow: hidden;
    }

    .evidence-card:hover {
        /* transform: translateY(-10px); */
        /* box-shadow: var(--shadow-hover); */
        /* border-color: var(--primary-color); */
    }

    .evidence-label {
        font-size: 0.95rem;
        font-weight: 700;
        color: var(--text-muted);
        margin-bottom: 25px;
        letter-spacing: 0.1em;
        position: relative;
        display: inline-block;
    }

    .evidence-label::after {
        content: "";
        position: absolute;
        bottom: -8px;
        left: 50%;
        transform: translateX(-50%);
        width: 30px;
        height: 2px;
        background-color: var(--primary-color);
    }

    .evidence-value {
        font-size: 4.2rem;
        font-weight: 700;
        line-height: 1;
        margin-bottom: 10px;
        color: var(--primary-color);
        font-family: "Cormorant Garamond", "Noto Serif JP", serif;
        letter-spacing: -0.01em;
    }

    .evidence-value span {
        font-size: 1.1rem;
        font-weight: 500;
        color: var(--text-muted);
        margin-left: 4px;
        font-family: "Noto Sans JP", sans-serif;
        letter-spacing: 0.05em;
    }

    .evidence-desc {
        font-size: 0.9rem;
        color: var(--text-muted);
        line-height: 1.7;
        margin-top: 15px;
    }

    .evidence-guidelines-box {
        margin-top: 40px;
        background-color: var(--bg-pure);
        /* border-radius: 16px; */
        padding: 30px;
        /* border: 1px solid var(--border-color); */
        /* box-shadow: var(--shadow-subtle); */
    }

    .evidence-disclaimer-title {
        font-size: 0.95rem;
        font-weight: 700;
        color: var(--secondary-color);
        margin-bottom: 15px;
        letter-spacing: 0.05em;
        text-align: left;
    }

    .evidence-disclaimer-list {
        display: flex;
        flex-direction: column;
        gap: 10px;
        padding-left: 0;
        list-style: none;
    }

    .evidence-disclaimer-list li {
        font-size: 0.8rem;
        color: var(--text-muted);
        line-height: 1.7;
        text-align: left;
        position: relative;
        padding-left: 15px;
    }

    .evidence-disclaimer-list li::before {
        content: "※";
        position: absolute;
        left: 0;
        top: 0;
        color: var(--primary-color);
        font-weight: 700;
    }

    /* ==========================================================================
       5. このようなお悩みに (Concerns) & モーダル設定
       ========================================================================== */
    .concerns-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 50px;
        align-items: center;
    }

    .concerns-list {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .concern-item {
        /* button要素デフォルトの解除 */
        width: 100%;
        font-family: inherit;
        text-align: left;
        appearance: none;
        display: flex;
        align-items: flex-start;
        gap: 15px;
        background: var(--bg-pure);
        padding: 20px 25px;
        border-radius: 12px;
        /* box-shadow: var(--shadow-subtle); */
        border: 1px solid var(--border-color);
        transition: var(--transition-smooth) !important;
        cursor: pointer;
        position: relative;
    }

    .concern-item:focus-visible {
        outline: 2px solid var(--primary-color);
        outline-offset: 2px;
    }

    .concern-item::after {
        content: "+";
        position: absolute;
        right: 8px;
        bottom: 8px;
        /* transform: translateY(-50%); */
        font-size: 1.6rem;
        letter-spacing: 0.25em;
        color: var(--primary-color);
        font-weight: 700;
        opacity: 0;
        transition: var(--transition-fast);
    }

    .concern-item:hover {
        border-color: var(--primary-color);
        background-color: rgba(224, 139, 76, 0.02);
        /* padding-right: 80px; */
    }

    .concern-item:hover::after {
        opacity: 1;
    }

    .concern-icon {
        color: var(--primary-color);
        font-size: 1.3rem;
        line-height: 1;
        flex-shrink: 0;
        margin-top: 3px;
    }

    .concern-text {
        font-size: 1rem;
        font-weight: 500;
        color: var(--text-dark);
        line-height: 1.6;
    }

    .concerns-conclusion-card {
        background: var(--primary-color);
        padding: 40px;
        text-align: center;
        position: relative;
    }

    .concerns-conclusion-card h3 {
        font-size: 1.6rem;
        font-weight: 700;
        color: #fff;
        margin-bottom: 20px;
        letter-spacing: 0.05em;
    }

    .concerns-conclusion-card p {
        font-size: 0.98rem;
        color: #fff;
        line-height: 1.8;
        margin-bottom: 30px;
    }

    /* モーダルポップアップ */
    .concern-modal {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 3000;
        display: none;
        align-items: center;
        justify-content: center;
    }

    .concern-modal.active {
        display: flex;
    }

    .concern-modal-overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(26, 26, 26, 0.65);
        backdrop-filter: blur(5px);
    }

    .concern-modal-container {
        position: relative;
        z-index: 3001;
        width: 90%;
        max-width: 460px;
        background: var(--bg-pure);
        border-radius: 24px;
        box-shadow: 0 25px 60px rgba(0, 0, 0, 0.18);
        border: 1px solid var(--border-color-pink);
        overflow: hidden;
        transform: scale(0.95);
        opacity: 0;
        transform-origin: center;
        transition-property: transform, opacity;
        transition-duration: 240ms;
        transition-timing-function: var(--ease-out-strong);
    }

    .concern-modal.active .concern-modal-container {
        transform: scale(1);
        opacity: 1;
    }

    .concern-modal-close {
        position: absolute;
        top: 15px;
        right: 15px;
        width: 32px;
        height: 32px;
        border-radius: 50%;
        background: rgba(224, 139, 76, 0.06);
        color: var(--primary-color);
        border: none;
        font-size: 1.4rem;
        font-weight: 300;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: var(--transition-fast);
        z-index: 10;
    }

    .concern-modal-close:hover {
        background: var(--primary-color);
        color: var(--text-white);
        transform: rotate(90deg);
    }

    .concern-modal-content {
        padding: 35px 30px;
        text-align: center;
    }

    .concern-modal-title {
        font-size: 1.15rem;
        font-weight: 700;
        color: var(--text-dark);
        margin-bottom: 20px;
        border-bottom: 2px solid var(--primary-color);
        display: inline-block;
        padding-bottom: 6px;
    }

    .concern-modal-image-wrapper {
        width: 100%;
        height: 280px;
        border-radius: 14px;
        overflow: hidden;
        margin-bottom: 20px;
        box-shadow: var(--shadow-subtle);
        border: 1px solid var(--border-color);
    }

    .concern-modal-image-wrapper img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .concern-modal-desc {
        font-size: 0.88rem;
        color: var(--text-muted);
        line-height: 1.7;
        text-align: left;
    }

    /* ==========================================================================
       6. 安全性とメカニズム (Mechanism)
       ========================================================================== */
    .mechanism-section {
        background: var(--bg-light-gray);
    }

    .mechanism-grid {
        display: grid;
        grid-template-columns: 1.1fr 0.9fr;
        gap: 60px;
        align-items: center;
    }

    .mechanism-step-list {
        display: flex;
        flex-direction: column;
        gap: 30px;
    }

    .mechanism-step {
        display: flex;
        gap: 20px;
        background: var(--bg-pure);
        padding: 30px;
        /* border-radius: 16px; */
        /* box-shadow: var(--shadow-subtle); */
        /* border: 1px solid var(--border-color); */
    }

    .mechanism-step-num {
        width: 50px;
        height: 50px;
        /* background: var(--re2o-orange-grad); */
        color: var(--primary-color);
        font-weight: 700;
        font-size: 1.2rem;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        border: 1px solid var(--primary-color);
        /* box-shadow: 0 5px 15px rgba(224, 139, 76, 0.15); */
    }

    .mechanism-step-content h4 {
        font-size: 1.15rem;
        font-weight: 700;
        color: var(--text-dark);
        margin-bottom: 10px;
    }

    .mechanism-step-content p {
        font-size: 0.9rem;
        color: var(--text-muted);
        line-height: 1.7;
    }

    .mechanism-visual {
        display: flex;
        flex-direction: column;
        align-items: center;
        position: relative;
    }

    .mechanism-img-wrapper {
        width: 100%;
        max-width: 380px;
        border-radius: 20px;
        overflow: hidden;
        padding: 8px;
        background: var(--bg-pure);
        box-shadow:
            0 1px 2px rgba(184, 90, 58, 0.04),
            0 12px 32px rgba(184, 90, 58, 0.06);
    }

    .mechanism-img-wrapper img {
        border-radius: 12px;
    }

    .mechanism-img-wrapper img {
        width: 100%;
        height: auto;
        display: block;
    }

    .mechanism-badge-sterile {
        margin-top: 15px;
        font-size: 0.88rem;
        font-weight: 700;
        color: var(--secondary-color);
        letter-spacing: 0.08em;
        display: inline-flex;
        align-items: center;
        gap: 10px;
    }

    .mechanism-badge-sterile::before,
    .mechanism-badge-sterile::after {
        content: "";
        width: 15px;
        height: 1px;
        background-color: var(--secondary-color);
        opacity: 0.6;
    }

    /* ==========================================================================
       新設：A CLINIC風 オススメ併用施術 (Other Menu)
       ========================================================================== */
    .other-menu {
        background-color: var(--bg-pure);
        padding: 100px 0;
        border-top: 1px solid var(--border-color);
    }

    @media screen and (max-width: 768px) {
        .other-menu {
            padding: 60px 20px;
        }
    }

    .other-menu-ttl {
        text-align: center;
        font-size: 2rem;
        font-weight: 700;
        color: var(--text-dark);
        margin-bottom: 50px;
        line-height: 1.4;
    }

    .other-menu-wrap {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
        max-width: 1100px;
        margin: 0 auto;
    }

    .other-menu-item {
        display: flex;
        background-color: var(--bg-soft-pink);
        border-radius: 20px;
        overflow: hidden;
        /* box-shadow: var(--shadow-subtle); */
        transition: var(--transition-smooth);
        border: 1px solid var(--border-color-pink);
        cursor: pointer;
    }

    .other-menu-item:hover {
        /* transform: translateY(-5px); */
        /* box-shadow: var(--shadow-hover); */
        border-color: var(--primary-color);
    }

    .other-menu-item-img {
        width: 160px;
        min-width: 160px;
        height: 100%;
        overflow: hidden;
    }

    .other-menu-item-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }

    @media screen and (max-width: 768px) {
        .other-menu-item-img img {
            object-fit: contain;
        }
    }

    .other-menu-item:hover .other-menu-item-img img {
        transform: scale(1.08);
    }

    .other-menu-ddgroup {
        padding: 25px 30px;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .other-menu-item {
        color: inherit;
        text-decoration: none;
    }

    .other-menu-item:focus-visible {
        outline: 2px solid var(--primary-color);
        outline-offset: 2px;
    }

    .other-menu-item-ttl {
        display: block;
        font-size: 1.25rem;
        font-weight: 700;
        color: var(--primary-color);
        margin-bottom: 12px;
    }

    .other-menu-item-text {
        display: block;
        font-size: 0.88rem;
        color: var(--text-muted);
        line-height: 1.6;
    }

    /* 奇数の時（最後の1つ）を中央に広げる、または並べ方を調整 */
    /* .other-menu-wrap .other-menu-item:last-child {
      grid-column: span 2;
      max-width: 535px;
      margin: 0 auto;
      width: 100%;
    } */

    /* ==========================================================================
       新設：Re2O治療メニュー（全顔 / ボリュームアップ）
       ========================================================================== */
    .treatment-menu-section {
        background-color: var(--bg-light-gray);
        padding: 100px 0;
    }

    .treatment-menu-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        margin-top: 40px;
    }

    .treatment-menu-card {
        background-color: var(--bg-pure);
        /* border-radius: 20px; */
        padding: 40px;
        /* box-shadow: var(--shadow-subtle); */
        /* border: 1px solid var(--border-color); */
        transition: var(--transition-smooth);
    }

    .treatment-menu-card:hover {
        /* border-color: var(--primary-color); */
        /* box-shadow: var(--shadow-hover); */
    }

    .treatment-menu-card-tag {
        display: inline-block;
        background: var(--primary-color);
        color: var(--text-white);
        font-size: 0.75rem;
        font-weight: 700;
        padding: 5px 15px;
        border-radius: 20px;
        margin-bottom: 20px;
        letter-spacing: 0.05em;
    }

    .treatment-menu-card h3 {
        font-size: 1.45rem;
        font-weight: 700;
        color: var(--text-dark);
        margin-bottom: 20px;
    }

    .treatment-menu-card p {
        font-size: 0.95rem;
        color: var(--text-muted);
        line-height: 1.8;
    }

    .treatment-menu-card-highlight {
        margin-top: 20px;
        font-weight: 700;
        color: var(--primary-color);
    }

    /* ==========================================================================
       7. 施術の流れ (Flow)
       ========================================================================== */
    .flow-timeline {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 30px;
        position: relative;
        margin-top: 40px;
    }

    .flow-timeline::before {
        content: "";
        position: absolute;
        top: 60px;
        left: 10%;
        right: 10%;
        height: 2px;
        background-color: var(--border-color-pink);
        z-index: 1;
    }

    .flow-step {
        text-align: center;
        position: relative;
        z-index: 2;
    }

    .flow-num-box {
        width: 120px;
        height: 120px;
        background: var(--primary-color);
        border: 2px solid var(--border-color-pink);
        border-radius: 50%;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        margin: 0 auto 25px auto;
        transition: var(--transition-smooth);
        box-shadow: var(--shadow-subtle);
    }

    .flow-step:hover .flow-num-box {
        /* border-color: var(--primary-color); */
        /* transform: translateY(-5px); */
        /* box-shadow: var(--shadow-hover); */
    }

    .flow-step-en {
        font-size: 0.75rem;
        font-weight: 700;
        color: #fff;
        text-transform: uppercase;
    }

    .flow-step-no {
        font-size: 1.4rem;
        font-weight: 700;
        color: #fff;
        line-height: 1;
    }

    .flow-step h4 {
        font-size: 1.1rem;
        font-weight: 500;
        color: var(--text-dark);
        margin-bottom: 12px;
    }

    .flow-step p {
        font-size: 0.85rem;
        color: var(--text-muted);
        line-height: 1.6;
        padding: 0 10px;
    }

    /* ==========================================================================
       8. 料金プラン & 施術概要 (Price & Spec)
       ========================================================================== */
    .price-spec-section {
        background: var(--bg-light-gray);
    }

    /* ==========================================================================
       料金表（手打ち / 水光注射 / 別途薬剤） - origiokiss準拠の表組み
       ========================================================================== */
    .price-tables-wrap {
        margin-bottom: 70px;
        background: var(--bg-pure);
        padding: 40px;
    }

    @media screen and (max-width: 1024px) {
        .price-tables-wrap {
            padding: 25px;
        }
    }

    .price-table-group {
        display: grid;
        grid-template-columns: 0.3fr 1fr;
        max-width: 900px;
        margin: 0 auto 20px;
        background: var(--bg-pure);
        overflow: hidden;
        border: 1px solid var(--border-color);
    }

    @media screen and (max-width: 768px) {
        .price-table-group {
            display: block;
        }
    }

    .price-table-head {
        background: var(--primary-color);
        color: #fff;
        padding: 14px 24px;
        font-size: 1.25rem;
        font-weight: 700;
        letter-spacing: 0.06em;
    }

    .price-table {
        width: 100%;
        border-collapse: collapse;
        font-variant-numeric: tabular-nums;
    }

    .price-table thead th {
        background: var(--bg-soft-pink);
        color: var(--text-muted);
        font-size: 0.78rem;
        font-weight: 700;
        letter-spacing: 0.06em;
        padding: 12px 24px;
        text-align: left;
        border-bottom: 1px solid var(--border-color);
    }

    .price-table thead th.price-col {
        text-align: right;
        width: 22%;
    }

    .price-table tbody th {
        padding: 18px 24px;
        font-size: 1.1rem;
        font-weight: 500;
        color: var(--text-dark);
        text-align: left;
        vertical-align: middle;
        border-bottom: 1px solid var(--border-color);
        line-height: 1.5;
    }

    .price-table tbody th small {
        display: block;
        font-size: 0.78rem;
        color: var(--text-muted);
        font-weight: 400;
        margin-top: 4px;
        letter-spacing: 0;
    }

    .price-table tbody td {
        padding: 18px 24px;
        text-align: right;
        border-bottom: 1px solid var(--border-color);
        vertical-align: middle;
    }

    .price-table tbody td.member {
        color: var(--primary-color);
        font-weight: 700;
        font-size: 1.25rem;
    }

    .price-table tbody td.regular {
        color: var(--text-muted);
        font-weight: 500;
        font-size: 1.25rem;
    }

    .price-table tbody td.tbd {
        color: var(--text-muted);
        font-size: 0.88rem;
        font-style: italic;
    }

    .price-table tbody tr:last-child th,
    .price-table tbody tr:last-child td {
        border-bottom: none;
    }

    .price-table-note {
        max-width: 900px;
        margin: 20px auto 0;
        font-size: 0.8rem;
        color: var(--text-muted);
        line-height: 1.8;
        padding: 0 4px;
    }

    .price-table-note span::before {
        content: "※";
        color: var(--primary-color);
        margin-right: 4px;
    }

    .price-table-note span {
        display: block;
    }

    @media (max-width: 768px) {
        .price-table thead {
            display: none;
        }
        .price-table tbody tr {
            display: block;
            padding: 14px 18px 16px;
            border-bottom: 1px solid var(--border-color);
        }
        .price-table tbody tr:last-child {
            border-bottom: none;
        }
        .price-table tbody th,
        .price-table tbody td {
            display: block;
            padding: 0;
            border: 0;
            text-align: left;
        }
        .price-table tbody th {
            font-size: 0.95rem;
            margin-bottom: 8px;
        }
        .price-table tbody td {
            padding: 2px 0;
        }
        .price-table tbody td::before {
            content: attr(data-label);
            display: inline-block;
            width: 70px;
            margin-right: 10px;
            font-size: 0.75rem;
            color: var(--text-muted);
            font-weight: 400;
            font-variant-numeric: normal;
            letter-spacing: 0.04em;
        }
    }

    /* A CLINIC風 追加オプション料金表 */
    .option-prices {
        /* max-width: 900px; */
        margin: 0 auto 70px auto;
        background: var(--bg-pure);
        /* border-radius: 20px; */
        padding: 40px;
        /* box-shadow: var(--shadow-subtle); */
        /* border: 1px solid var(--border-color); */
    }

    @media screen and (max-width: 1024px) {
        .option-prices {
            padding: 25px;
        }
    }

    .option-prices-ttl {
        text-align: center;
        font-size: 1.3rem;
        font-weight: 700;
        color: var(--text-dark);
        margin-bottom: 30px;
    }

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

    .option-table tr {
        border-bottom: 1px solid var(--border-color);
    }

    .option-table tr:last-child {
        border-bottom: none;
    }

    .option-table th,
    .option-table td {
        padding: 20px 0;
        font-size: 0.95rem;
    }

    .option-table th {
        text-align: left;
        font-weight: 700;
        color: var(--text-dark);
    }

    .option-table td {
        text-align: right;
        font-weight: 700;
        color: var(--primary-color);
        font-size: 1.25rem;
    }

    .option-table td span {
        font-size: 0.85rem;
        color: var(--text-muted);
        font-weight: 500;
    }

    @media screen and (max-width: 768px) {
        .option-table td span {
            display: block;
        }
    }

    /* 施術スペック表 */
    .spec-table-wrapper {
        background: var(--bg-pure);
        /* border-radius: 20px; */
        padding: 45px;
        /* box-shadow: var(--shadow-subtle); */
        /* border: 1px solid var(--border-color); */
    }

    .spec-title {
        text-align: center;
        font-size: 1.4rem;
        font-weight: 700;
        color: var(--text-dark);
        margin-bottom: 35px;
    }

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

    .spec-table tr {
        border-bottom: 1px solid var(--border-color);
    }

    .spec-table tr:last-child {
        border-bottom: none;
    }

    .spec-table th,
    .spec-table td {
        padding: 22px 0;
        text-align: left;
        font-size: 0.95rem;
        vertical-align: top;
    }

    .spec-table th {
        width: 180px;
        font-weight: 700;
        color: var(--primary-color);
    }

    .spec-table td {
        color: var(--text-dark);
        line-height: 1.7;
    }

    /* ==========================================================================
       9. よくあるご質問 (FAQ)
       ========================================================================== */
    .faq-list {
        /* max-width: 900px; */
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .faq-item {
        background: var(--bg-pure);
        border-radius: 16px;
        border: 1px solid var(--border-color);
        /* box-shadow: var(--shadow-subtle); */
        overflow: hidden;
        transition: var(--transition-smooth);
    }

    .faq-item:hover {
        box-shadow: 0 10px 25px rgba(224, 139, 76, 0.03);
        border-color: rgba(224, 139, 76, 0.15);
    }

    .faq-question {
        /* button要素デフォルトの解除 */
        width: 100%;
        background: transparent;
        border: 0;
        text-align: left;
        font-family: inherit;
        appearance: none;

        padding: 24px 30px;
        min-height: 64px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        cursor: pointer;
        font-weight: 700;
        color: var(--text-dark);
        font-size: 1.05rem;
        user-select: none;
        position: relative;
        transition-property: background-color, color;
        transition-duration: 0.2s;
        transition-timing-function: cubic-bezier(0.2, 0, 0, 1);
    }

    .faq-question:hover {
        background-color: rgba(224, 139, 76, 0.03);
    }

    .faq-question:focus-visible {
        outline: 2px solid var(--primary-color);
        outline-offset: -2px;
        border-radius: 16px;
    }

    .faq-question-text {
        display: flex;
        align-items: center;
        gap: 15px;
    }

    .faq-q-badge {
        width: 32px;
        height: 32px;
        background: rgba(224, 139, 76, 0.08);
        color: var(--primary-color);
        font-size: 1.1rem;
        font-weight: 700;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }

    .faq-toggle-icon {
        width: 20px;
        height: 20px;
        position: relative;
        flex-shrink: 0;
    }

    .faq-toggle-icon::before,
    .faq-toggle-icon::after {
        content: "";
        position: absolute;
        background-color: var(--primary-color);
        transition-property: transform, opacity;
        transition-duration: 280ms;
        transition-timing-function: var(--ease-out-strong);
    }

    .faq-toggle-icon::before {
        top: 9px;
        left: 0;
        width: 20px;
        height: 2px;
    }

    .faq-toggle-icon::after {
        top: 0;
        left: 9px;
        width: 2px;
        height: 20px;
    }

    .faq-item.active .faq-toggle-icon::after {
        transform: rotate(90deg);
        opacity: 0;
    }

    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition-property: max-height;
        transition-duration: 0.35s;
        transition-timing-function: cubic-bezier(0.2, 0, 0, 1);
        background-color: var(--bg-soft-pink);
    }

    .faq-answer-inner {
        padding: 30px 45px 35px 77px;
        font-size: 0.95rem;
        color: var(--text-muted);
        line-height: 1.85;
        border-top: 1px solid var(--border-color-pink);
    }

    /* ==========================================================================
       10. レスポンシブ対応 (Media Queries)
       ========================================================================== */
    @media (max-width: 1024px) {
        .re2o-hero {
            height: auto;
            padding: 40px 0;
        }

        .re2o-hero-wrapper {
            flex-direction: column;
            text-align: center;
            gap: 30px;
        }

        .re2o-hero-image-box {
            width: 100%;
            margin: 0 auto;
        }

        .re2o-hero-image-box img {
            max-height: 340px;
        }

        .re2o-hero-title-box {
            width: 100%;
        }

        .re2o-hero-title-main {
            font-size: 3.2rem;
            margin-bottom: 10px;
        }

        .re2o-hero-title-sub {
            font-size: 1.6rem;
        }

        .re2o-hero-nav-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
        }

        .re2o-hero-nav-item {
            border-right: 1px solid #eeeeee;
            border-bottom: 1px solid #eeeeee;
        }

        .re2o-hero-nav-item:nth-child(3),
        .re2o-hero-nav-item:nth-child(6) {
            border-right: none;
        }

        .re2o-hero-nav-item a {
            padding: 15px 5px;
            font-size: 0.82rem;
        }

        .about-re2o-content {
            padding: 40px 28px 40px;
            min-height: 0;
            background-image: linear-gradient(180deg, rgba(255, 250, 245, 0.2) 0%, rgba(255, 250, 245, 0.85) 100%), url(../img/re2o_bottle.png);
            background-position: center, center;
            background-size: cover;
            background-attachment: fixed;
        }

        .about-re2o-text {
            max-width: none;
        }

        .ecm-box {
            grid-template-columns: 1fr;
            gap: 30px;
            padding: 30px;
        }

        .evidence-grid {
            grid-template-columns: 1fr;
            gap: 25px;
        }

        .concerns-grid {
            grid-template-columns: 1fr;
            gap: 40px;
        }

        .mechanism-grid {
            grid-template-columns: 1fr;
            gap: 45px;
        }

        .mechanism-visual {
            order: -1;
        }

        .other-menu-wrap {
            grid-template-columns: 1fr;
        }

        .other-menu-wrap .other-menu-item:last-child {
            grid-column: span 1;
            max-width: 100%;
        }

        .treatment-menu-grid {
            grid-template-columns: 1fr;
        }

        .flow-timeline {
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .flow-timeline::before {
            display: none;
        }
    }

    @media (max-width: 768px) {
        .re2o-hero-title-main {
            font-size: 2.4rem;
        }

        .re2o-hero-title-sub {
            font-size: 1.25rem;
        }

        .section-title-ja-re2o {
            font-size: 1.8rem;
        }

        .comparison-wrapper {
            padding: 20px;
            overflow-x: auto;
        }

        .comparison-table {
            min-width: 650px;
        }

        .comparison-table th,
        .comparison-table td {
            padding: 15px 12px;
            font-size: 0.85rem;
        }

        .other-menu-item {
            flex-direction: column;
        }

        .other-menu-item-img {
            width: 100%;
            height: 180px;
            background: #fff;
        }

        .spec-table-wrapper {
            padding: 25px;
        }

        .spec-table th {
            width: 100%;
            display: block;
            padding-bottom: 5px;
        }

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

        .flow-timeline {
            grid-template-columns: 1fr;
            gap: 30px;
        }

        .faq-question {
            padding: 20px;
            font-size: 0.95rem;
        }

        .faq-answer-inner {
            padding: 20px 20px 25px 20px;
            font-size: 0.9rem;
        }
    }

    /* スムーズスクロール位置の調整（固定ヘッダー＋アンカーナビの重なりを防ぐ） */
    #about,
    #ecm-target,
    #comparison-target,
    #treatment-target,
    #price,
    #spec-target {
        scroll-margin-top: 155px; /* 吸着したヘッダー(75px)＋アンカーナビ(約65px)＋余白を考慮 */
    }

    /* タッチ端末での stuck hover を防ぐ（ホバーが無いデバイスでhover効果を解除） */
    @media not all and (hover: hover) {
        .evidence-card:hover,
        .other-menu-item:hover,
        .treatment-menu-card:hover,
        .concern-item:hover {
            transform: none;
            background-color: transparent;
            padding-right: inherit;
        }
    }

    /* エビデンス3カードを進入時にstagger（@starting-style 相当の初回描画演出） */
    .evidence-card {
        animation: cardEnter 520ms var(--ease-out-strong) both;
    }
    .evidence-card:nth-child(1) {
        animation-delay: 40ms;
    }
    .evidence-card:nth-child(2) {
        animation-delay: 100ms;
    }
    .evidence-card:nth-child(3) {
        animation-delay: 160ms;
    }

    @keyframes cardEnter {
        from {
            opacity: 0;
            transform: translateY(12px);
            filter: blur(2px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
            filter: blur(0);
        }
    }

    /* CTAボタン：明示的なプロパティ指定（transition のみ） */
    .re2o-hero ~ * .btn,
    .concerns-conclusion-card .btn {
        transition-property: background-color, color, box-shadow, transform;
        transition-duration: 0.2s;
        transition-timing-function: cubic-bezier(0.2, 0, 0, 1);
    }

    .concerns-conclusion-card .btn:active {
        transform: scale(0.96);
    }

    /* モーダル閉じるボタン：最小ヒットエリア確保 + アクセシブルなフォーカス */
    .concern-modal-close {
        width: 40px;
        height: 40px;
        top: 14px;
        right: 14px;
    }

    .concern-modal-close:focus-visible {
        outline: 2px solid var(--primary-color);
        outline-offset: 2px;
    }

    /* concern-item を見出しと同レベルのリストグループ化 */
    .concern-item {
        transition-property: background-color, padding, border-color;
        transition-duration: 0.25s;
        transition-timing-function: cubic-bezier(0.2, 0, 0, 1);
    }

    /* アクセシビリティ：モーション軽減指定への対応（装飾アニメのみ抑制） */
    @media (prefers-reduced-motion: reduce) {
        *,
        *::before,
        *::after {
            animation-duration: 0.001ms !important;
            animation-iteration-count: 1 !important;
        }
    }

    @media (max-width: 1024px) {
        #about,
        #ecm-target,
        #comparison-target,
        #treatment-target,
        #price,
        #spec-target {
            scroll-margin-top: 190px; /* タブレット・スマホ用のアンカーナビ2行表示の際 */
        }
    }