@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800;900&family=Noto+Sans+JP:wght@300;400;500;700;900&family=Montserrat:wght@400;500;600;700;800;900&display=swap');

/* ========================================================
   限定記事サイト共通設定 (700px - 1500px: vw単位統一 / 変数不使用)
   ======================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: #2d3748;
    background-color: #f1f4f8;
    font-size: 1.4vw;
    line-height: 1.85;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.25s ease;
}

ul {
    list-style: none;
}

.pc {
    display: block;
}

.smp {
    display: none;
}

/* ========================================================
   記事レイアウトコンテナ
   ======================================================== */
.article-wrapper {
    width: 75vw;
    max-width: 75vw;
    margin: 4vw auto 6vw;
}

.article-container {
    background: #ffffff;
    border-radius: 1.5vw;
    padding: 4.5vw 5vw;
    box-shadow: 0 0.8vw 2.5vw rgba(18, 22, 32, 0.08);
    border: 0.1vw solid #e2e8f0;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 1.2vw;
    margin-bottom: 1.8vw;
    flex-wrap: wrap;
}

.cat-badge {
    background: #fdf5e6;
    color: #9b6c00;
    border: 0.1vw solid #fedf9e;
    font-size: 1vw;
    font-weight: 700;
    padding: 0.3vw 1vw;
    border-radius: 0.3vw;
    letter-spacing: 0.05em;
}

.auth-lock-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5vw;
    font-size: 1vw;
    font-weight: 700;
    padding: 0.3vw 1vw;
    border-radius: 1.5vw;
    transition: all 0.25s ease;
}

.auth-lock-status-pill.locked {
    background: #fee2e2;
    color: #b91c1c;
}

.auth-lock-status-pill.unlocked {
    background: #dcfce7;
    color: #15803d;
}

.article-date {
    font-family: 'Outfit', sans-serif;
    font-size: 1.1vw;
    color: #718096;
}

.article-title {
    font-size: 2.6vw;
    font-weight: 800;
    color: #121620;
    line-height: 1.45;
    margin-bottom: 2vw;
    letter-spacing: 0.02em;
}

.article-lead {
    font-size: 1.3vw;
    color: #4a5568;
    line-height: 1.8;
    background: #f8f9fa;
    padding: 2vw 2.4vw;
    border-left: 0.35vw solid #cf9f2d;
    margin-bottom: 2.8vw;
}

.article-eyecatch {
    border-radius: 1.2vw;
    overflow: hidden;
    margin-bottom: 3.5vw;
    box-shadow: 0 0.2vw 1vw rgba(0, 0, 0, 0.04);
}

.article-eyecatch img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

/* 目次 */
.toc-box {
    background: #fafbfc;
    border: 0.1vw solid #e1e4e8;
    border-radius: 1vw;
    padding: 2.4vw 2.8vw;
    margin-bottom: 4vw;
}

.toc-title {
    font-size: 1.4vw;
    font-weight: 800;
    color: #121620;
    margin-bottom: 1.4vw;
    display: flex;
    align-items: center;
    gap: 0.6vw;
}

.toc-list {
    display: flex;
    flex-direction: column;
    gap: 0.8vw;
}

.toc-list li a {
    font-size: 1.2vw;
    color: #2d3748;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.8vw;
}

.toc-list li a:hover {
    color: #cf9f2d;
}

.toc-num {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    color: #cf9f2d;
    font-size: 1.1vw;
}

/* ========================================================
   限定エリア & ロックゲート
   ======================================================== */
.restricted-container {
    position: relative;
    margin-top: 3.5vw;
}

.restricted-body {
    transition: filter 0.4s ease, opacity 0.4s ease;
}

.restricted-body.is-locked {
    filter: blur(0.5vw);
    opacity: 0.35;
    pointer-events: none;
    user-select: none;
    max-height: 45vw;
    overflow: hidden;
}

.lock-gate-overlay {
    display: none;
    position: absolute;
    top: 3vw;
    left: 0;
    right: 0;
    z-index: 50;
    padding: 1.5vw;
}

.lock-gate-overlay.active {
    display: block;
}

.lock-card {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(16px);
    border: 0.2vw solid #cf9f2d;
    border-radius: 1.5vw;
    padding: 3.5vw 3vw;
    text-align: center;
    box-shadow: 0 1.5vw 4vw rgba(18, 22, 32, 0.2);
    width: 50vw;
    margin: 0 auto;
}

.lock-icon-wrap {
    width: 5.5vw;
    height: 5.5vw;
    border-radius: 50%;
    background: #fff8e6;
    color: #cf9f2d;
    font-size: 2.4vw;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5vw;
    box-shadow: 0 0.3vw 1.2vw rgba(207, 159, 45, 0.2);
}

.lock-card h3 {
    font-size: 1.9vw;
    font-weight: 800;
    color: #121620;
    margin-bottom: 1vw;
}

.lock-card p {
    font-size: 1.2vw;
    color: #718096;
    line-height: 1.7;
    margin-bottom: 2.2vw;
}

.auth-input-form {
    display: flex;
    gap: 0.8vw;
    width: 36vw;
    margin: 0 auto 1.8vw;
}

.auth-input-field {
    flex: 1;
    padding: 1vw 1.4vw;
    border: 0.1vw solid #cbd5e1;
    border-radius: 0.6vw;
    font-size: 1.2vw;
    font-family: inherit;
}

.auth-input-field:focus {
    outline: none;
    border-color: #cf9f2d;
}

.auth-submit-btn {
    background: #121620;
    color: #ffffff;
    border: none;
    padding: 0 2vw;
    border-radius: 0.6vw;
    font-weight: 700;
    font-size: 1.2vw;
    cursor: pointer;
    transition: all 0.25s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.6vw;
}

.auth-submit-btn:hover {
    background: #252e42;
}

.auth-error-msg {
    display: none;
    color: #dc2626;
    font-size: 1.1vw;
    font-weight: 700;
    margin-top: -1vw;
    margin-bottom: 1.5vw;
}

.auth-error-msg.active {
    display: block;
}

.line-invite-box {
    background: #f0fdf4;
    border: 0.1vw solid #bbf7d0;
    border-radius: 0.8vw;
    padding: 1.4vw 1.6vw;
    margin-top: 1vw;
    text-align: left;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.2vw;
}

.line-invite-text h5 {
    font-size: 1.2vw;
    font-weight: 800;
    color: #166534;
    margin-bottom: 0.2vw;
}

.line-invite-text p {
    font-size: 1vw;
    color: #4b5563;
    margin: 0;
}

.line-btn-pill {
    background: #06c755;
    color: #ffffff;
    padding: 0.6vw 1.4vw;
    border-radius: 1.5vw;
    font-size: 1vw;
    font-weight: 700;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 0.5vw;
}

.line-btn-pill:hover {
    background: #05a847;
}

/* ========================================================
   記事本文スタイル
   ======================================================== */
.article-section {
    margin-bottom: 4vw;
}

.article-section h2 {
    font-size: 1.9vw;
    font-weight: 800;
    color: #121620;
    padding-bottom: 1vw;
    border-bottom: 0.15vw solid #e2e8f0;
    margin-bottom: 1.6vw;
    position: relative;
}

.article-section h2::after {
    content: '';
    position: absolute;
    bottom: -0.15vw;
    left: 0;
    width: 5vw;
    height: 0.15vw;
    background: #cf9f2d;
}

.article-section h3 {
    font-size: 1.5vw;
    font-weight: 800;
    color: #121620;
    margin: 2vw 0 1vw;
    display: flex;
    align-items: center;
    gap: 0.8vw;
}

.article-section h3::before {
    content: '';
    width: 0.4vw;
    height: 1.4vw;
    background: #cf9f2d;
    border-radius: 0.2vw;
    display: inline-block;
}

.article-section p {
    font-size: 1.25vw;
    color: #334155;
    line-height: 1.85;
    margin-bottom: 1.5vw;
}

.info-callout {
    background: #f8fafc;
    border-radius: 1vw;
    border: 0.1vw solid #e2e8f0;
    padding: 2vw;
    margin: 2vw 0;
}

.info-callout-header {
    display: flex;
    align-items: center;
    gap: 0.8vw;
    font-size: 1.3vw;
    font-weight: 800;
    color: #121620;
    margin-bottom: 1vw;
}

.info-callout-header i {
    color: #cf9f2d;
}

.checklist {
    display: flex;
    flex-direction: column;
    gap: 1vw;
    margin: 1.2vw 0;
}

.checklist li {
    font-size: 1.2vw;
    color: #334155;
    display: flex;
    align-items: flex-start;
    gap: 1vw;
}

.checklist li i {
    color: #10b981;
    margin-top: 0.3vw;
    font-size: 1.3vw;
}

.compare-table-wrap {
    overflow-x: auto;
    margin: 2vw 0;
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 1.15vw;
}

.compare-table th,
.compare-table td {
    padding: 1vw 1.2vw;
    border: 0.1vw solid #e2e8f0;
    text-align: left;
}

.compare-table th {
    background: #f1f5f9;
    color: #121620;
    font-weight: 700;
}

.compare-table td.highlight {
    background: #fffdf5;
    font-weight: 700;
    color: #b45309;
}

.bonus-download-card {
    background: linear-gradient(135deg, #121620 0%, #1e2638 100%);
    color: #ffffff;
    border-radius: 1.2vw;
    padding: 2.5vw;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2vw;
    margin: 3.5vw 0;
    flex-wrap: wrap;
}

.bonus-text h4 {
    font-size: 1.5vw;
    font-weight: 800;
    color: #f7d583;
    margin-bottom: 0.5vw;
}

.bonus-text p {
    font-size: 1.1vw;
    color: #cbd5e1;
    margin: 0;
}

.bonus-dl-btn {
    background: #cf9f2d;
    color: #ffffff;
    padding: 1.1vw 2.2vw;
    border-radius: 0.6vw;
    font-weight: 700;
    font-size: 1.2vw;
    display: inline-flex;
    align-items: center;
    gap: 0.6vw;
    box-shadow: 0 0.3vw 1vw rgba(207, 159, 45, 0.4);
}

.bonus-dl-btn:hover {
    background: #b88a22;
}

.auth-debug-toolbar {
    margin-top: 3.5vw;
    padding: 1.2vw 1.6vw;
    background: #f1f5f9;
    border-radius: 0.6vw;
    font-size: 1vw;
    color: #718096;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1vw;
}

.reset-auth-btn {
    background: #ffffff;
    border: 0.1vw solid #cbd5e1;
    padding: 0.5vw 1vw;
    border-radius: 0.3vw;
    font-size: 0.9vw;
    color: #64748b;
    cursor: pointer;
    transition: all 0.25s ease;
}

.reset-auth-btn:hover {
    background: #fee2e2;
    color: #b91c1c;
    border-color: #fca5a5;
}

.auth-toast {
    position: fixed;
    bottom: 2.5vw;
    right: 2.5vw;
    background: #121620;
    color: #ffffff;
    padding: 1.2vw 2vw;
    border-radius: 0.8vw;
    box-shadow: 0 0.8vw 2.5vw rgba(0, 0, 0, 0.25);
    display: flex;
    align-items: center;
    gap: 1vw;
    font-size: 1.2vw;
    font-weight: 700;
    border-left: 0.3vw solid #cf9f2d;
    z-index: 2000;
    transform: translateY(8vw);
    opacity: 0;
    transition: all 0.4s ease;
}

.auth-toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* ========================================================
   限定記事ポータル用スタイル
   ======================================================== */
.article-hero-banner {
    margin-top: 0;
    background: linear-gradient(135deg, #121620 0%, #1e2638 100%);
    color: #ffffff;
    padding: 5.5vw 2vw 4.5vw;
    text-align: center;
}

.article-hero-inner {
    width: 80vw;
    margin: 0 auto;
}

.article-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6vw;
    background: rgba(207, 159, 45, 0.2);
    border: 0.1vw solid #cf9f2d;
    color: #f7d583;
    font-size: 1.1vw;
    font-weight: 700;
    padding: 0.4vw 1.4vw;
    border-radius: 2vw;
    margin-bottom: 1.2vw;
}

.article-hero-title {
    font-size: 3vw;
    font-weight: 800;
    line-height: 1.4;
    margin-bottom: 1.2vw;
}

.article-hero-title .highlight {
    color: #e5b33e;
}

.article-hero-subtitle {
    font-size: 1.25vw;
    color: #cbd5e1;
    line-height: 1.7;
    width: 65vw;
    margin: 0 auto;
}

.article-portal-wrapper {
    width: 80vw;
    margin: 4vw auto 6vw;
}

.article-portal-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5vw;
}

.article-card {
    background: #ffffff;
    border-radius: 1.2vw;
    overflow: hidden;
    box-shadow: 0 0.4vw 1.5vw rgba(18, 22, 32, 0.06);
    border: 0.1vw solid #e2e8f0;
    transition: all 0.25s ease;
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-0.4vw);
    box-shadow: 0 1vw 2.5vw rgba(18, 22, 32, 0.12);
    border-color: #cf9f2d;
}

.article-card-thumb {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.article-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.article-card:hover .article-card-thumb img {
    transform: scale(1.05);
}

.article-card-vol {
    position: absolute;
    top: 1vw;
    left: 1vw;
    background: #121620;
    color: #cf9f2d;
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 0.9vw;
    padding: 0.3vw 0.8vw;
    border-radius: 0.3vw;
}

.article-card-body {
    padding: 2vw;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.article-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1vw;
}

.tag-date {
    font-size: 1vw;
    color: #718096;
    font-family: 'Outfit', sans-serif;
}

.article-card-body h3 {
    font-size: 1.35vw;
    font-weight: 800;
    color: #121620;
    line-height: 1.45;
    margin-bottom: 0.8vw;
}

.article-card-body p {
    font-size: 1.1vw;
    color: #718096;
    line-height: 1.65;
    margin-bottom: 1.5vw;
    flex: 1;
}

.article-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1vw;
    border-top: 0.1vw solid #f1f5f9;
}

.lock-indicator {
    font-size: 1vw;
    font-weight: 700;
    color: #9b6c00;
    display: inline-flex;
    align-items: center;
    gap: 0.4vw;
}

.read-btn {
    font-size: 1.1vw;
    font-weight: 700;
    color: #cf9f2d;
    display: inline-flex;
    align-items: center;
    gap: 0.4vw;
}

/* ========================================================
   CTAセクション & フッター
   ======================================================== */
.cta-section {
    background: linear-gradient(135deg, #121620 0%, #1f2738 100%);
    color: #ffffff;
    padding: 5vw 2vw;
    text-align: center;
}

.cta-content {
    width: 100%;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.4vw;
    font-weight: 800;
    margin-bottom: 1.2vw;
}

.cta-content p {
    font-size: 1.2vw;
    color: #cbd5e1;
    margin-bottom: 2.2vw;
}

.cta-btns {
    display: flex;
    justify-content: center;
    gap: 1.6vw;
    flex-wrap: wrap;
}

.cta-btn {
    padding: 1.1vw 2.6vw;
    border-radius: 0.6vw;
    font-weight: 700;
    font-size: 1.2vw;
    display: inline-flex;
    align-items: center;
    gap: 0.8vw;
    transition: all 0.25s ease;
}

.cta-btn.line {
    background: #06c755;
    color: #ffffff;
    box-shadow: 0 0.4vw 1.5vw rgba(6, 199, 85, 0.35);
}

.cta-btn.line:hover {
    background: #05a847;
    transform: translateY(-0.2vw);
}

.cta-btn.mail {
    background: #cf9f2d;
    color: #ffffff;
    box-shadow: 0 0.4vw 1.5vw rgba(207, 159, 45, 0.35);
}

.cta-btn.mail:hover {
    background: #b88a22;
    transform: translateY(-0.2vw);
}

.footer {
    background: #0b0e14;
    color: #94a3b8;
    padding: 2vw;
    text-align: center;
    font-size: 1.1vw;
    font-family: 'Outfit', sans-serif;
}

/* ========================================================
   メディアクエリ: スマホ (700px以下 まとめて記述)
   ======================================================== */
@media (max-width: 700px) {
    .smp {
        display: block;
    }

    .pc {
        display: none;
    }

    body {
        font-size: 3.5vw;
    }

    .article-wrapper {
        width: 92%;
        max-width: 92%;
        margin: 6vw auto 12vw;
    }

    .article-container {
        border-radius: 3vw;
        padding: 6vw 4.5vw;
    }

    .article-meta {
        gap: 2.5vw;
        margin-bottom: 3.5vw;
    }

    .cat-badge {
        font-size: 2.6vw;
        padding: 0.8vw 2.2vw;
        border-radius: 0.8vw;
    }

    .auth-lock-status-pill {
        font-size: 2.6vw;
        padding: 0.8vw 2.4vw;
        border-radius: 3vw;
    }

    .article-date {
        font-size: 2.8vw;
    }

    .article-title {
        font-size: 4.8vw;
        margin-bottom: 4vw;
    }

    .article-lead {
        font-size: 3.4vw;
        padding: 4vw;
        border-left-width: 0.8vw;
        margin-bottom: 5vw;
    }

    .article-eyecatch {
        border-radius: 2.5vw;
        margin-bottom: 6vw;
    }

    .toc-box {
        border-radius: 2vw;
        padding: 5vw 4vw;
        margin-bottom: 6vw;
    }

    .toc-title {
        font-size: 3.8vw;
        margin-bottom: 3vw;
    }

    .toc-list {
        gap: 2vw;
    }

    .toc-list li a {
        font-size: 3.2vw;
        gap: 3vw;
    }

    .toc-num {
        font-size: 2.8vw;
    }

    .restricted-container {
        margin-top: 5vw;
    }

    .restricted-body.is-locked {
        filter: blur(1.5vw);
        max-height: 80vw;
    }

    .lock-card {
        width: 100%;
        border-radius: 3vw;
        padding: 6vw 4vw;
    }

    .lock-icon-wrap {
        width: 13vw;
        height: 13vw;
        font-size: 6vw;
        margin-bottom: 3vw;
    }

    .lock-card h3 {
        font-size: 4.2vw;
        margin-bottom: 2.5vw;
    }

    .lock-card p {
        font-size: 3.2vw;
    }

    .auth-input-form {
        width: 100%;
        flex-direction: column;
        gap: 2.5vw;
        margin-bottom: 4vw;
    }

    .auth-input-field {
        width: 100%;
        padding: 3vw 3.5vw;
        font-size: 3.4vw;
        border-radius: 1.5vw;
    }

    .auth-submit-btn {
        width: 100%;
        justify-content: center;
        padding: 3vw;
        font-size: 3.4vw;
        border-radius: 1.5vw;
    }

    .auth-error-msg {
        font-size: 2.8vw;
        margin-top: -1.5vw;
        margin-bottom: 3vw;
    }

    .line-invite-box {
        flex-direction: column;
        align-items: flex-start;
        padding: 4vw;
        border-radius: 2vw;
        gap: 3vw;
    }

    .line-invite-text h5 {
        font-size: 3.2vw;
    }

    .line-invite-text p {
        font-size: 2.6vw;
    }

    .line-btn-pill {
        padding: 2vw 4vw;
        font-size: 2.8vw;
        width: 100%;
        justify-content: center;
    }

    .article-section {
        margin-bottom: 8vw;
    }

    .article-section h2 {
        font-size: 4.4vw;
        padding-bottom: 2vw;
        margin-bottom: 3.5vw;
    }

    .article-section h2::after {
        width: 12vw;
        height: 0.4vw;
    }

    .article-section h3 {
        font-size: 3.6vw;
        margin: 5vw 0 2.5vw;
    }

    .article-section h3::before {
        width: 1vw;
        height: 3.4vw;
        border-radius: 0.5vw;
    }

    .article-section p {
        font-size: 3.2vw;
        margin-bottom: 3.5vw;
    }

    .info-callout {
        border-radius: 2vw;
        padding: 4vw;
        margin: 4vw 0;
    }

    .info-callout-header {
        font-size: 3.4vw;
        margin-bottom: 2.5vw;
    }

    .checklist {
        gap: 2.5vw;
        margin: 3vw 0;
    }

    .checklist li {
        font-size: 3vw;
        gap: 2vw;
    }

    .checklist li i {
        font-size: 3.4vw;
    }

    .compare-table {
        font-size: 2.8vw;
    }

    .compare-table th,
    .compare-table td {
        padding: 2vw;
    }

    .bonus-download-card {
        border-radius: 2.5vw;
        padding: 5vw 4vw;
        gap: 4vw;
        margin: 6vw 0;
    }

    .bonus-text h4 {
        font-size: 3.8vw;
        margin-bottom: 1.5vw;
    }

    .bonus-text p {
        font-size: 2.8vw;
    }

    .bonus-dl-btn {
        width: 100%;
        justify-content: center;
        padding: 3vw;
        font-size: 3.2vw;
        border-radius: 1.5vw;
    }

    .auth-debug-toolbar {
        margin-top: 6vw;
        padding: 3vw;
        border-radius: 1.5vw;
        font-size: 2.6vw;
        flex-direction: column;
        align-items: flex-start;
        gap: 2vw;
    }

    .reset-auth-btn {
        padding: 1.5vw 3vw;
        font-size: 2.6vw;
        border-radius: 1vw;
    }

    .auth-toast {
        bottom: 5vw;
        right: 5vw;
        left: 5vw;
        padding: 3.5vw 4vw;
        font-size: 3.2vw;
        border-radius: 2vw;
    }

    .article-hero-banner {
        margin-top: 0;
        padding: 10vw 4vw 8vw;
    }

    .article-hero-inner {
        width: 100%;
    }

    .article-hero-badge {
        font-size: 2.8vw;
        padding: 1.2vw 3vw;
        border-radius: 4vw;
        margin-bottom: 2.5vw;
    }

    .article-hero-title {
        font-size: 5.5vw;
        margin-bottom: 3vw;
    }

    .article-hero-subtitle {
        font-size: 3.2vw;
        width: 100%;
    }

    .article-portal-wrapper {
        width: 92%;
        margin: 6vw auto 12vw;
    }

    .article-portal-grid {
        grid-template-columns: 1fr;
        gap: 5vw;
    }

    .article-card {
        border-radius: 2.5vw;
    }

    .article-card-vol {
        top: 2.5vw;
        left: 2.5vw;
        font-size: 2.5vw;
        padding: 0.8vw 2vw;
        border-radius: 0.8vw;
    }

    .article-card-body {
        padding: 4.5vw 4vw;
    }

    .article-card-meta {
        margin-bottom: 2.5vw;
    }

    .tag-date {
        font-size: 2.8vw;
    }

    .article-card-body h3 {
        font-size: 4vw;
        margin-bottom: 2vw;
    }

    .article-card-body p {
        font-size: 3.2vw;
        margin-bottom: 3.5vw;
    }

    .article-card-footer {
        padding-top: 2.5vw;
    }

    .lock-indicator {
        font-size: 2.8vw;
    }

    .read-btn {
        font-size: 3.2vw;
    }

    .cta-section {
        padding: 12vw 4vw;
    }

    .cta-content {
        width: 100%;
    }

    .cta-content h2 {
        font-size: 4.8vw;
        margin-bottom: 3vw;
    }

    .cta-content p {
        font-size: 3.2vw;
        margin-bottom: 6vw;
    }

    .cta-btns {
        flex-direction: column;
        gap: 3vw;
    }

    .cta-btn {
        width: 100%;
        justify-content: center;
        padding: 3.5vw 4vw;
        font-size: 3.6vw;
        border-radius: 1.8vw;
    }

    .footer {
        padding: 5vw;
        font-size: 3vw;
    }
}

/* ========================================================
   メディアクエリ: 大画面 (1500px以上 px単位で固定)
   ======================================================== */
@media (min-width: 1500px) {
    body {
        font-size: 16px;
    }

    .article-wrapper {
        width: 950px;
        max-width: 950px;
        margin: 50px auto 80px;
    }

    .article-container {
        border-radius: 20px;
        padding: 56px 64px;
        border: 1px solid #e2e8f0;
        box-shadow: 0 10px 30px rgba(18, 22, 32, 0.08);
    }

    .article-meta {
        gap: 16px;
        margin-bottom: 22px;
    }

    .cat-badge {
        font-size: 12px;
        padding: 4px 12px;
        border-radius: 4px;
    }

    .auth-lock-status-pill {
        font-size: 12px;
        padding: 4px 14px;
        border-radius: 20px;
        gap: 6px;
    }

    .article-date {
        font-size: 13px;
    }

    .article-title {
        font-size: 32px;
        margin-bottom: 24px;
    }

    .article-lead {
        font-size: 16px;
        padding: 25px 30px;
        border-left: 4px solid #cf9f2d;
        margin-bottom: 35px;
    }

    .article-eyecatch {
        border-radius: 14px;
        margin-bottom: 45px;
    }

    .toc-box {
        border-radius: 12px;
        padding: 30px 35px;
        margin-bottom: 50px;
        border: 1px solid #e1e4e8;
    }

    .toc-title {
        font-size: 17px;
        margin-bottom: 18px;
        gap: 8px;
    }

    .toc-list {
        gap: 10px;
    }

    .toc-list li a {
        font-size: 14px;
        gap: 10px;
    }

    .toc-num {
        font-size: 13px;
    }

    .restricted-container {
        margin-top: 45px;
    }

    .restricted-body.is-locked {
        filter: blur(6px);
        max-height: 550px;
    }

    .lock-card {
        border-radius: 18px;
        padding: 44px 36px;
        width: 620px;
        border: 2px solid #cf9f2d;
        box-shadow: 0 20px 60px rgba(18, 22, 32, 0.2);
    }

    .lock-icon-wrap {
        width: 68px;
        height: 68px;
        font-size: 30px;
        margin-bottom: 18px;
        box-shadow: 0 4px 16px rgba(207, 159, 45, 0.2);
    }

    .lock-card h3 {
        font-size: 24px;
        margin-bottom: 12px;
    }

    .lock-card p {
        font-size: 14px;
        margin-bottom: 28px;
    }

    .auth-input-form {
        width: 440px;
        gap: 10px;
        margin-bottom: 22px;
    }

    .auth-input-field {
        padding: 12px 18px;
        border-radius: 8px;
        font-size: 15px;
        border: 1px solid #cbd5e1;
    }

    .auth-submit-btn {
        padding: 0 25px;
        border-radius: 8px;
        font-size: 14px;
        gap: 8px;
    }

    .auth-error-msg {
        font-size: 13px;
        margin-top: -12px;
        margin-bottom: 18px;
    }

    .line-invite-box {
        border-radius: 10px;
        padding: 16px 20px;
        margin-top: 12px;
        gap: 14px;
        border: 1px solid #bbf7d0;
    }

    .line-invite-text h5 {
        font-size: 14px;
    }

    .line-invite-text p {
        font-size: 12px;
    }

    .line-btn-pill {
        padding: 8px 18px;
        border-radius: 20px;
        font-size: 12px;
        gap: 6px;
    }

    .article-section {
        margin-bottom: 50px;
    }

    .article-section h2 {
        font-size: 24px;
        padding-bottom: 12px;
        border-bottom: 2px solid #e2e8f0;
        margin-bottom: 20px;
    }

    .article-section h2::after {
        width: 60px;
        height: 2px;
        bottom: -2px;
    }

    .article-section h3 {
        font-size: 18px;
        margin: 26px 0 14px;
        gap: 10px;
    }

    .article-section h3::before {
        width: 5px;
        height: 18px;
        border-radius: 2px;
    }

    .article-section p {
        font-size: 15px;
        margin-bottom: 18px;
    }

    .info-callout {
        border-radius: 12px;
        padding: 25px;
        margin: 25px 0;
        border: 1px solid #e2e8f0;
    }

    .info-callout-header {
        font-size: 16px;
        gap: 10px;
        margin-bottom: 12px;
    }

    .checklist {
        gap: 12px;
        margin: 16px 0;
    }

    .checklist li {
        font-size: 14px;
        gap: 12px;
    }

    .checklist li i {
        font-size: 16px;
    }

    .compare-table {
        font-size: 14px;
    }

    .compare-table th,
    .compare-table td {
        padding: 12px 16px;
        border: 1px solid #e2e8f0;
    }

    .bonus-download-card {
        border-radius: 14px;
        padding: 32px;
        gap: 25px;
        margin: 45px 0;
    }

    .bonus-text h4 {
        font-size: 18px;
        margin-bottom: 6px;
    }

    .bonus-text p {
        font-size: 13px;
    }

    .bonus-dl-btn {
        padding: 14px 28px;
        border-radius: 8px;
        font-size: 14px;
        gap: 8px;
        box-shadow: 0 4px 14px rgba(207, 159, 45, 0.4);
    }

    .auth-debug-toolbar {
        margin-top: 45px;
        padding: 16px 20px;
        border-radius: 8px;
        font-size: 12px;
    }

    .reset-auth-btn {
        padding: 6px 14px;
        border-radius: 4px;
        font-size: 12px;
    }

    .auth-toast {
        bottom: 30px;
        right: 30px;
        padding: 16px 24px;
        border-radius: 10px;
        font-size: 14px;
        gap: 12px;
        border-left: 4px solid #cf9f2d;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    }

    .article-hero-banner {
        margin-top: 0;
        padding: 70px 20px 60px;
    }

    .article-hero-inner {
        width: 1100px;
        max-width: 1100px;
    }

    .article-hero-badge {
        font-size: 13px;
        padding: 6px 18px;
        border-radius: 30px;
        margin-bottom: 16px;
    }

    .article-hero-title {
        font-size: 38px;
        margin-bottom: 16px;
    }

    .article-hero-subtitle {
        font-size: 16px;
        width: 800px;
    }

    .article-portal-wrapper {
        width: 1100px;
        max-width: 1100px;
        margin: 50px auto 80px;
    }

    .article-portal-grid {
        gap: 30px;
    }

    .article-card {
        border-radius: 14px;
        box-shadow: 0 6px 20px rgba(18, 22, 32, 0.06);
    }

    .article-card-vol {
        top: 12px;
        left: 12px;
        font-size: 11px;
        padding: 4px 10px;
        border-radius: 4px;
    }

    .article-card-body {
        padding: 25px;
    }

    .article-card-meta {
        margin-bottom: 12px;
    }

    .tag-date {
        font-size: 12px;
    }

    .article-card-body h3 {
        font-size: 18px;
        margin-bottom: 10px;
    }

    .article-card-body p {
        font-size: 14px;
        margin-bottom: 20px;
    }

    .article-card-footer {
        padding-top: 14px;
    }

    .lock-indicator {
        font-size: 12px;
        gap: 6px;
    }

    .read-btn {
        font-size: 14px;
        gap: 6px;
    }

    .cta-section {
        padding: 70px 20px;
    }

    .cta-content {
        width: 850px;
    }

    .cta-content h2 {
        font-size: 28px;
        margin-bottom: 16px;
    }

    .cta-content p {
        font-size: 15px;
        margin-bottom: 30px;
    }

    .cta-btns {
        gap: 20px;
    }

    .cta-btn {
        padding: 14px 32px;
        border-radius: 8px;
        font-size: 15px;
        gap: 10px;
    }

    .footer {
        padding: 25px;
        font-size: 13px;
    }
}