/* ==========================================================================
   NP後払い PayPay支払いガイド - スタイルシート (コスメ・スキンケア向け洗練スタイル)
   ========================================================================== */

:root {
    /* カラーパレット: 上品なグレージュ・ウォームモカ・シャンパンゴールド */
    --color-bg-page: #F3F1ED;
    --color-bg-container: #FCFCFB;
    --color-bg-card: #FFFFFF;
    
    --color-primary: #8A6D56;
    --color-primary-light: #F6F1EC;
    --color-primary-dark: #6C523D;
    --color-accent-gold: #C5A880;
    
    --color-text-main: #332F2D;
    --color-text-sub: #68625E;
    --color-text-light: #9B948E;
    
    --color-border: #E8E4DF;
    --color-border-light: #F0EDE9;
    
    /* ステータスカラー (柔らかいニュアンスカラー) */
    --color-danger-bg: #FDF4F3;
    --color-danger-border: #F0CBC8;
    --color-danger-text: #A84640;
    
    --color-success-bg: #F2F7F4;
    --color-success-border: #BDD8CA;
    --color-success-text: #2C6E4E;
    
    --color-tips-bg: #FAF6EF;
    --color-tips-border: #E6D8BF;
    --color-tips-text: #826330;

    /* シャドウ & 角丸 */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --shadow-soft: 0 4px 20px rgba(74, 58, 46, 0.05);
    --shadow-card: 0 2px 10px rgba(60, 48, 40, 0.04);
    --shadow-container: 0 10px 30px rgba(60, 48, 40, 0.08);
}

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--color-bg-page);
    color: var(--color-text-main);
    line-height: 1.75;
    letter-spacing: 0.02em;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

/* コンテナ (モバイル最適化: max-width 480px) */
.page-wrapper {
    width: 100%;
    max-width: 480px;
    background-color: var(--color-bg-container);
    min-height: 100vh;
    box-shadow: var(--shadow-container);
    display: flex;
    flex-direction: column;
    position: relative;
}

/* ==========================================================================
   ヘッダー
   ========================================================================== */
.main-header {
    background: linear-gradient(180deg, #443B36 0%, #302A26 100%);
    color: #FFFFFF;
    padding: 34px 24px 30px;
    text-align: center;
    position: relative;
}

.main-header::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #8A6D56, #C5A880, #8A6D56);
}

.header-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 4px 12px;
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: #E6D6C3;
    margin-bottom: 14px;
}

.main-title {
    font-size: 21px;
    font-weight: 700;
    line-height: 1.45;
    letter-spacing: 0.04em;
    color: #FFFFFF;
    margin-bottom: 10px;
}

.header-desc {
    font-size: 12.5px;
    line-height: 1.6;
    color: #D3CCC4;
}

/* ==========================================================================
   メインコンテンツ
   ========================================================================== */
.content-container {
    padding: 24px 18px 40px;
    flex: 1;
}

/* ==========================================================================
   イントロセクション
   ========================================================================== */
.intro-section {
    margin-bottom: 22px;
}

.intro-card {
    background-color: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 22px 18px;
    text-align: center;
    box-shadow: var(--shadow-card);
}

.intro-icon-wrap {
    width: 44px;
    height: 44px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}

.intro-heading {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text-main);
    line-height: 1.5;
    margin-bottom: 10px;
}

.intro-text {
    font-size: 13px;
    color: var(--color-text-sub);
    line-height: 1.7;
    text-align: left;
}

.intro-text strong {
    color: var(--color-primary-dark);
}

/* ==========================================================================
   重要ポイント
   ========================================================================== */
.keypoint-section {
    margin-bottom: 30px;
}

.keypoint-card {
    background-color: var(--color-tips-bg);
    border: 1.5px solid var(--color-tips-border);
    border-radius: var(--radius-md);
    padding: 18px 16px;
}

.keypoint-header {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 14px;
    border-bottom: 1px dashed var(--color-tips-border);
    padding-bottom: 10px;
}

.keypoint-badge {
    align-self: flex-start;
    background-color: var(--color-primary);
    color: #FFFFFF;
    font-size: 10.5px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 6px;
}

.keypoint-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-primary-dark);
}

.keypoint-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.keypoint-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13px;
    color: #4D3D2B;
    line-height: 1.5;
}

.bullet-num {
    width: 20px;
    height: 20px;
    background: #E8D6BD;
    color: var(--color-primary-dark);
    font-size: 11px;
    font-weight: 700;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 1px;
}

/* ==========================================================================
   セクション共通タイトル
   ========================================================================== */
.section-title-wrap {
    text-align: center;
    margin-bottom: 18px;
}

.section-sub {
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    color: var(--color-accent-gold);
    display: block;
    margin-bottom: 2px;
}

.section-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-text-main);
}

/* ==========================================================================
   間違えやすい操作例
   ========================================================================== */
.mistake-section {
    margin-bottom: 30px;
}

.mistake-card {
    background-color: var(--color-danger-bg);
    border: 1px solid var(--color-danger-border);
    border-radius: var(--radius-lg);
    padding: 18px 16px;
    margin-bottom: 16px;
}

.mistake-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: #EAD0CE;
    color: var(--color-danger-text);
    font-size: 11.5px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 12px;
    margin-bottom: 10px;
}

.mistake-cross {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background-color: var(--color-danger-text);
    color: #FFFFFF;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 9px;
    font-weight: 700;
}

.mistake-heading {
    font-size: 14.5px;
    font-weight: 700;
    color: var(--color-danger-text);
    line-height: 1.45;
    margin-bottom: 8px;
}

.mistake-desc {
    font-size: 13px;
    color: #5A3A38;
    line-height: 1.65;
    margin-bottom: 12px;
}

/* 画像フレーム共通 */
.media-frame {
    text-align: center;
    background-color: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.guide-img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    display: block;
    margin: 0 auto;
}

.mini-frame {
    max-width: 280px;
    margin: 10px auto;
}

/* ==========================================================================
   お支払い手順（ステップカード）
   ========================================================================== */
.flow-section {
    margin-bottom: 30px;
}

.steps-flow {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.step-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 20px 16px;
    box-shadow: var(--shadow-card);
}

.step-card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px dashed var(--color-border);
}

.step-badge {
    background: var(--color-primary);
    color: #FFFFFF;
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 9px;
    border-radius: 6px;
    letter-spacing: 0.05em;
    flex-shrink: 0;
}

.step-title {
    font-size: 15.5px;
    font-weight: 700;
    color: var(--color-text-main);
    line-height: 1.4;
}

.step-text {
    font-size: 13.5px;
    color: var(--color-text-sub);
    line-height: 1.7;
    margin-bottom: 12px;
}

.highlight {
    background: linear-gradient(transparent 65%, #F0DFB8 65%);
    font-weight: 700;
    color: #443B36;
    padding: 0 3px;
}

.step-warn-box {
    display: flex;
    align-items: center;
    gap: 6px;
    background-color: var(--color-danger-bg);
    border: 1px solid var(--color-danger-border);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--color-danger-text);
    margin-bottom: 12px;
}

.step-note-box {
    display: flex;
    align-items: center;
    gap: 6px;
    background-color: var(--color-tips-bg);
    border: 1px solid var(--color-tips-border);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    font-size: 12px;
    color: var(--color-tips-text);
    margin-bottom: 12px;
}

/* バーコードのコツ */
.barcode-tip-card {
    background-color: #FAF8F5;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 14px;
    margin-bottom: 14px;
}

.barcode-tip-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--color-primary-dark);
    text-align: center;
    margin-bottom: 8px;
}

.barcode-checklist {
    list-style: none;
    font-size: 12px;
    color: #554A41;
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: 8px;
}

.barcode-checklist li:first-child,
.barcode-checklist li:nth-child(2) {
    color: var(--color-success-text);
    font-weight: 500;
}

.barcode-checklist li:last-child {
    color: var(--color-danger-text);
}

/* 完了ボックス */
.finish-box {
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: var(--color-success-bg);
    border: 1px solid var(--color-success-border);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    margin-top: 14px;
}

.finish-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--color-success-text);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    flex-shrink: 0;
}

.finish-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.finish-text strong {
    font-size: 14px;
    color: var(--color-success-text);
}

.finish-text span {
    font-size: 12px;
    color: #355C48;
}

/* ==========================================================================
   手順まとめ
   ========================================================================== */
.summary-section {
    margin-bottom: 30px;
}

.summary-card {
    background: linear-gradient(145deg, #FAF7F2 0%, #F5EFE6 100%);
    border: 1.5px solid var(--color-accent-gold);
    border-radius: var(--radius-lg);
    padding: 20px 16px;
    box-shadow: var(--shadow-card);
}

.summary-header {
    text-align: center;
    margin-bottom: 14px;
}

.summary-badge {
    font-family: 'Montserrat', sans-serif;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    background: #EFE8DE;
    padding: 3px 8px;
    border-radius: 6px;
}

.summary-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-top: 4px;
}

.summary-steps {
    list-style-position: inside;
    background-color: #FFFFFF;
    border-radius: var(--radius-md);
    padding: 14px 16px;
    border: 1px solid rgba(197, 168, 128, 0.3);
}

.summary-steps li {
    font-size: 13px;
    color: var(--color-text-main);
    padding: 6px 0;
    border-bottom: 1px dashed var(--color-border-light);
}

.summary-steps li:last-child {
    border-bottom: none;
}

/* ==========================================================================
   よくある質問 FAQ
   ========================================================================== */
.faq-section {
    margin-bottom: 24px;
}

.faq-accordion {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background-color: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
}

.faq-q-badge {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: #FFFFFF;
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.faq-q-text {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--color-text-main);
    flex: 1;
    line-height: 1.45;
}

.faq-arrow {
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--color-text-light);
    border-bottom: 2px solid var(--color-text-light);
    transform: rotate(45deg);
    transition: transform 0.25s ease;
    flex-shrink: 0;
    margin-left: 4px;
}

.faq-item.active .faq-arrow {
    transform: rotate(-135deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    background-color: #FAF9F7;
    padding: 0 16px;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 12px 16px 16px;
    border-top: 1px solid var(--color-border-light);
}

.faq-answer p {
    font-size: 13px;
    color: var(--color-text-sub);
    line-height: 1.65;
}

.faq-answer ul {
    margin-top: 8px;
    padding-left: 18px;
    font-size: 12.5px;
    color: var(--color-text-sub);
    line-height: 1.6;
}

/* ==========================================================================
   フッター
   ========================================================================== */
.main-footer {
    background-color: #302A26;
    color: #BDB6AF;
    padding: 24px 20px;
    text-align: center;
    margin-top: auto;
}

.footer-help {
    font-size: 12px;
    margin-bottom: 8px;
    color: #E2DBD4;
    line-height: 1.6;
}

.footer-copy {
    font-size: 11px;
    color: #948C84;
}