/* =========================================
   LUNA — Design Tokens
   Design System v3 (component-library準拠)

   Breakpoints (Bootstrap 5 準拠 / mobile-first):
   Default  = mobile (<576px)
   sm       = @media (min-width: 576px)
   md       = @media (min-width: 768px)  ← タブレット
   lg       = @media (min-width: 992px)  ← 小型デスクトップ
   xl       = @media (min-width: 1200px) ← デスクトップ
   xxl      = @media (min-width: 1400px)

   禁止パターン（melta UI準拠）:
   border-left カラーバー禁止（section-header-dの::beforeは許可）
   shadow-lg の多用禁止
   装飾過多禁止
   transition 300ms以上禁止
   行間が狭い日本語禁止
   純黒テキスト禁止
   色だけで情報伝達禁止
   絵文字禁止 → SVGアイコンを使う
   gradient background禁止（bodyは白）
   ========================================= */

:root {
    /* --- Colors --- */
    --gold: #c7a564;
    --gold-light: #e3cfa0;
    --gold-dark: #a68543;
    --ink: #111827;
    --text-main: #3d4b5f;
    --text-heading: #111827;
    --text-muted: #6b7280;
    --text-light: #9ca3af;
    --deep: #2b3a2f;
    --deep-light: #3d5043;
    --bg: #fbf7ef;
    --bg-warm: #f5efe4;
    --card-bg: #ffffff;
    --sage: #a8b5a0;
    --sage-light: #d4dfd0;
    --sage-bg: rgba(168, 181, 160, 0.08);
    --line: rgba(17, 24, 39, 0.08);
    --line-gold: rgba(199, 165, 100, 0.15);
    --error: #c05d5d;

    /* --- Shadows --- */
    --shadow-xs: 0 1px 3px rgba(43, 58, 47, 0.03);
    --shadow-sm: 0 2px 8px -2px rgba(43, 58, 47, 0.05);
    --shadow-md: 0 4px 16px -4px rgba(43, 58, 47, 0.07);
    --shadow-lg: 0 8px 24px -6px rgba(43, 58, 47, 0.08);
    --shadow-btn: 0 4px 12px rgba(43, 58, 47, 0.15);
    --shadow-btn-hover: 0 6px 16px rgba(43, 58, 47, 0.2);

    /* --- Radius --- */
    --radius-img: 30px;
    --radius-xl: 16px;
    --radius-lg: 12px;
    --radius-md: 8px;
    --radius-sm: 6px;
    --radius-pill: 99px;

    /* --- Spacing --- */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --space-4xl: 80px;

    /* --- Typography --- */
    --font-body: "IBM Plex Sans JP", "Hiragino Sans", sans-serif;
    --font-heading: "Noto Serif JP", "Hiragino Mincho ProN", serif;
    --font-sub: "IBM Plex Sans JP", "Hiragino Sans", sans-serif;

    /* --- Animation --- */
    --duration-fast: 150ms;
    --duration-normal: 200ms;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

    /* --- Layout --- */
    --section-padding: 64px;
    --container-max: 1280px;
    --container-narrow: 800px;
    --container-wide: 1440px;
}

/* md以上でセクション余白を広げる */
@media (min-width: 768px) {
    :root {
        --section-padding: 100px;
    }
}
/* =========================================
   BASE — Reset, body, typography, animation
   ========================================= */

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

html {
    scroll-behavior: smooth;
    overscroll-behavior-x: none;
}

body {
    color: var(--text-main);
    background: #ffffff;
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 2.0;
    letter-spacing: 0.05em;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    -webkit-tap-highlight-color: transparent;
}

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


/* デバイス別改行制御 */
br.pc { display: none; }
br.sp { display: inline; }

@media (min-width: 768px) {
    br.pc { display: inline; }
    br.sp { display: none; }
}

/* md以上でフォントサイズアップ */
@media (min-width: 768px) {
    body {
        font-size: 18px;
    }
}


/* =========================================
   SCROLL ANIMATION
   ========================================= */

.fade-up {
    opacity: 0;
    transform: translate3d(0, 80px, 0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-up.is-visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

.fade-up.delay-1 {
    transition-delay: 0.1s;
}

.fade-up.delay-2 {
    transition-delay: 0.2s;
}

.fade-up.delay-3 {
    transition-delay: 0.3s;
}
/* =========================================
   BUTTONS
   ========================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--font-body);
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: all var(--duration-fast) ease;
    text-decoration: none;
}

.btn-primary {
    background: var(--deep);
    color: #fff;
    padding: 14px 32px;
    border-radius: var(--radius-pill);
    font-size: 16px;
    box-shadow: var(--shadow-btn);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-btn-hover);
    background: var(--deep-light);
}

.btn-secondary {
    background: transparent;
    color: var(--deep);
    padding: 14px 36px;
    border-radius: var(--radius-pill);
    font-size: 16px;
    border: 2px solid var(--deep);
}

.btn-secondary:hover {
    background: var(--deep);
    color: #fff;
    transform: translateY(-2px);
}

.btn-secondary--white {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-secondary--white:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border-color: #fff;
}

.btn-gold {
    background: var(--gold);
    color: #fff;
    padding: 14px 32px;
    border-radius: var(--radius-pill);
    font-size: 16px;
    box-shadow: var(--shadow-btn);
}

.btn-gold:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-btn-hover);
    background: var(--gold-light);
}

.btn-sm {
    padding: 10px 24px;
    font-size: 16px;
}


/* md以上でボタンサイズアップ */
@media (min-width: 768px) {
    .btn-primary {
        padding: 16px 40px;
        font-size: 18px;
    }

    .btn-secondary {
        font-size: 18px;
    }

    .btn-gold {
        padding: 16px 40px;
        font-size: 18px;
    }
}


/* =========================================
   BADGE
   ========================================= */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 700;
}

.badge--price {
    background: var(--gold);
    color: #fff;
    font-family: var(--font-heading);
    font-size: 16px;
    padding: 8px 20px;
    border-radius: var(--radius-md);
}


/* =========================================
   TAG
   ========================================= */

.tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-size: 14px;
    font-weight: 600;
    line-height: 1;
}

.tag--sage {
    background: var(--sage-light);
    color: var(--deep);
}

.tag--gold {
    background: rgba(199, 165, 100, 0.15);
    color: var(--gold-dark);
}


/* =========================================
   CTA BLOCK (dark, full width)
   ========================================= */

.cta-block {
    background: var(--deep);
    background-image: url('/assets/images/cta-bg-salon.webp');
    background-size: cover;
    background-position: center;
    border-radius: 0;
    padding: var(--space-xl) var(--space-md);
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.cta-block::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(43, 58, 47, 0.82);
    pointer-events: none;
}

.cta-block__title {
    font-family: var(--font-heading);
    font-size: 22px;
    margin-bottom: var(--space-md);
    position: relative;
}

.cta-block__text {
    font-size: 16px;
    opacity: 0.9;
    line-height: 2.0;
    margin-bottom: var(--space-lg);
    position: relative;
}

.cta-block__buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    align-items: center;
    position: relative;
}

.cta-block__sub {
    font-size: 14px;
    opacity: 0.7;
    margin-top: var(--space-sm);
}

.cta-info {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
    margin-top: var(--space-lg);
    position: relative;
}

.cta-info__item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 15px;
    opacity: 0.8;
}

.cta-info__item svg {
    flex: 0 0 auto;
}


/* md以上でCTA余白拡大 */
@media (min-width: 768px) {
    .cta-block {
        padding: var(--space-3xl) var(--space-xl);
    }
}


/* =========================================
   CTA INLINE (mid-page)
   ========================================= */

.cta-inline {
    text-align: center;
    padding: var(--space-xl) 0;
}

.cta-inline__text {
    font-size: 16px;
    color: var(--text-main);
    margin-bottom: var(--space-lg);
}


/* =========================================
   FAQ ITEM
   ========================================= */

.faq-item {
    border-bottom: 1px solid var(--line);
    background: var(--card-bg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-md);
    overflow: hidden;
}

.faq-item__q {
    padding: var(--space-md) var(--space-lg);
    font-size: 16px;
    font-weight: 600;
    color: var(--text-heading);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    cursor: pointer;
}

.faq-item__q-badge {
    flex: 0 0 auto;
    width: 32px;
    height: 32px;
    background: var(--gold);
    color: #fff;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 15px;
    font-weight: 700;
}

.faq-item__a {
    padding: 0 var(--space-lg) var(--space-lg);
    padding-left: calc(var(--space-lg) + 32px + var(--space-md));
    font-size: 15px;
    color: var(--text-main);
    line-height: 1.9;
    display: none;
}

.faq-item.is-open .faq-item__a {
    display: block;
}

.faq-item.is-open svg {
    transform: rotate(180deg);
}

@media (min-width: 768px) {
    .faq-item__q {
        font-size: 18px;
    }

    .faq-item__a {
        font-size: 16px;
    }
}


/* =========================================
   QUIZ
   ========================================= */

.quiz {
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--line);
    overflow: hidden;
}

.quiz__header {
    background: var(--deep);
    padding: var(--space-lg);
    text-align: center;
    color: #fff;
}

.quiz__header-label {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--gold-light);
    margin-bottom: var(--space-xs);
}

.quiz__header-title {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
}

.quiz__body {
    padding: var(--space-xl) var(--space-lg);
}

.quiz__progress {
    display: flex;
    gap: var(--space-xs);
    margin-bottom: var(--space-lg);
}

.quiz__progress-dot {
    height: 3px;
    flex: 1;
    border-radius: 2px;
    background: var(--line);
}

.quiz__progress-dot.is-active {
    background: var(--gold);
}

.quiz__question {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-heading);
    margin-bottom: var(--space-md);
}

.quiz__options {
    list-style: none;
    display: grid;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.quiz__option {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--duration-fast) ease;
    font-size: 16px;
    color: var(--text-main);
}

.quiz__option:hover {
    border-color: var(--gold);
    background: rgba(199, 165, 100, 0.04);
}

.quiz__option.is-selected {
    border-color: var(--gold);
    background: rgba(199, 165, 100, 0.08);
}

.quiz__option-check {
    width: 20px;
    height: 20px;
    border: 2px solid var(--line);
    border-radius: 50%;
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    transition: all var(--duration-fast) ease;
}

.quiz__option.is-selected .quiz__option-check {
    border-color: var(--gold);
    background: var(--gold);
}

.quiz__step {
    display: none;
}

.quiz__step.is-active {
    display: block;
}

.quiz__option--skip {
    opacity: 0.6;
    font-size: 14px;
}

.quiz__loading {
    display: none;
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
}

.quiz__loading.is-visible {
    display: block;
}

.quiz__loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--line-gold, #d4c5a0);
    border-top-color: var(--gold-dark, #b8963e);
    border-radius: 50%;
    margin: 0 auto var(--space-lg);
    animation: quizSpin 0.8s linear infinite;
}

@keyframes quizSpin {
    to { transform: rotate(360deg); }
}

.quiz__loading-text {
    font-size: 16px;
    color: var(--text-sub);
    letter-spacing: 0.05em;
}

.quiz__result {
    text-align: center;
    padding: var(--space-xl) var(--space-lg);
    display: none;
}

.quiz__result.is-visible {
    display: block;
}

.quiz__result-type {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 700;
    color: var(--gold-dark);
    margin-bottom: var(--space-sm);
}

.quiz__result-desc {
    font-size: 16px;
    color: var(--text-main);
    line-height: 2.0;
    margin-bottom: var(--space-lg);
}

.quiz__result-recommend {
    background: var(--bg-cream, #faf7f2);
    border: 2px solid var(--gold-dark, #b8963e);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-top: var(--space-lg);
    text-align: center;
}

.quiz__result-recommend-label {
    font-size: 13px;
    font-weight: 700;
    color: var(--gold-dark, #b8963e);
    letter-spacing: 0.08em;
    margin-bottom: var(--space-xs, 4px);
}

.quiz__result-recommend-course {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: var(--space-sm, 8px);
    line-height: 1.5;
}

.quiz__result-recommend-reason {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.7;
    margin: 0;
}

.quiz__result-recommend-img {
    width: 100%;
    max-height: 200px;
    object-fit: cover;
    border-radius: var(--radius-md, 8px);
    margin-bottom: var(--space-md, 12px);
}

.quiz__result-recommend-imgs {
    display: flex;
    gap: 8px;
    margin-bottom: var(--space-md, 12px);
}

.quiz__result-recommend-img-sm {
    flex: 1;
    height: 100px;
    object-fit: cover;
    border-radius: var(--radius-md, 8px);
}

.quiz__result-cta-line {
    background: #06C755 !important;
    border-color: #06C755 !important;
    display: inline-block !important;
    text-align: center;
    font-size: 14px;
}

.quiz__result-cta-line svg {
    vertical-align: middle;
    margin-right: 4px;
}

.quiz__result-cta-line:hover {
    background: #05b34c !important;
    border-color: #05b34c !important;
}

.quiz__retry {
    display: inline-block;
    margin-top: var(--space-lg);
    padding: 8px 24px;
    background: none;
    border: 1px solid var(--text-sub, #999);
    border-radius: var(--radius-md, 8px);
    color: var(--text-sub, #999);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.quiz__retry:hover {
    border-color: var(--text-main);
    color: var(--text-main);
}

.quiz__result-cta {
    background: rgba(199, 165, 100, 0.06);
    border: 1px solid var(--line-gold);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-top: var(--space-lg);
}

.quiz__result-cta-text {
    font-size: 16px;
    color: var(--text-main);
    margin-bottom: var(--space-md);
    line-height: 1.7;
}


/* =========================================
   TESTIMONIAL
   ========================================= */

.testimonial-grid {
    display: grid;
    gap: var(--space-md);
}

.testimonial-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--line);
}

.testimonial-card__text {
    font-size: 16px;
    line-height: 2.0;
    color: var(--text-main);
    margin-bottom: var(--space-md);
}

.testimonial-card__header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.testimonial-card__avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.testimonial-card__attr {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
}

.testimonial-card__note {
    font-size: 14px;
    color: var(--text-light);
    margin-top: var(--space-xs);
}

@media (min-width: 768px) {
    .testimonial-card__text {
        font-size: 18px;
    }

    .testimonial-card__avatar {
        width: 96px;
        height: 96px;
    }
}


/* =========================================
   COMPARISON TABLE
   ========================================= */

.comparison-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.comparison-table th {
    background: var(--deep);
    color: #fff;
    padding: 12px 14px;
    font-size: 14px;
    font-weight: 700;
    text-align: center;
}

.comparison-table th:first-child {
    background: var(--bg-warm);
    color: var(--text-muted);
}

.comparison-table th.highlight {
    background: var(--gold);
}

.comparison-table td {
    background: var(--card-bg);
    padding: 12px 14px;
    font-size: 14px;
    text-align: center;
    border-bottom: 1px solid var(--line);
}

.comparison-table td:first-child {
    text-align: left;
    font-weight: 600;
    color: var(--ink);
    background: var(--bg-warm);
}

.comparison-table td.highlight {
    background: rgba(199, 165, 100, 0.05);
    font-weight: 700;
    color: var(--gold-dark);
}

@media (min-width: 768px) {
    .comparison-table th {
        padding: 14px 18px;
        font-size: 15px;
    }

    .comparison-table td {
        padding: 14px 18px;
        font-size: 16px;
    }
}


/* =========================================
   CAUTION BLOCK
   ========================================= */

.caution-block {
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.caution-block__title {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: var(--space-md);
}

.caution-block__list {
    list-style: none;
    display: grid;
    gap: var(--space-sm);
}

.caution-block__item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    font-size: 15px;
    color: var(--text-main);
    line-height: 1.8;
}

.caution-block__item::before {
    content: "–";
    flex: 0 0 auto;
    color: var(--text-muted);
    font-weight: 400;
}

.caution-block__note {
    margin-top: var(--space-md);
    font-size: 15px;
    color: var(--text-main);
    line-height: 2.0;
}

@media (min-width: 768px) {
    .caution-block__item {
        font-size: 16px;
    }

    .caution-block__note {
        font-size: 16px;
    }
}


/* =========================================
   DISCLAIMER
   ========================================= */

.disclaimer {
    background: rgba(255, 255, 255, 0.4);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
}


/* =========================================
   TEXT BLOCK HELPER
   ========================================= */

.text-block {
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.text-block p {
    font-size: 16px;
    line-height: 2.0;
    color: var(--text-main);
    margin-bottom: var(--space-lg);
}

.text-block p:last-child {
    margin-bottom: 0;
}

@media (min-width: 768px) {
    .text-block p {
        font-size: 18px;
    }
}
/* =========================================
   HEADER (sticky)
   ========================================= */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(254, 253, 251, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
    padding: 0 var(--space-md);
    transition: box-shadow 0.2s ease;
}

.site-header.is-scrolled {
    box-shadow: 0 4px 20px rgba(43, 58, 47, 0.06);
}

.site-header__inner {
    max-width: var(--container-wide);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    padding: 0 var(--space-md);
}

.site-header__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.site-header__logo-img {
    height: 40px;
    width: auto;
}

/* --- Desktop Nav: デフォルト非表示、md以上で表示 --- */
.site-nav {
    display: none;
    align-items: center;
    gap: var(--space-lg);
}

.site-nav__link {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-main);
    transition: color var(--duration-fast);
    position: relative;
}

.site-nav__link:hover {
    color: var(--gold-dark);
}

.site-nav__link::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: width 0.2s ease;
}

.site-nav__link:hover::after {
    width: 100%;
}

.site-nav__cta-wrap {
    display: flex;
    gap: 8px;
    align-items: center;
}

.site-nav__cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--deep);
    color: #fff;
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    font-size: 13px;
    font-weight: 700;
    transition: all var(--duration-fast) ease;
}

.site-nav__cta:hover {
    background: var(--deep-light);
    transform: translateY(-1px);
}

.site-nav__cta--line {
    background: #06C755;
}

.site-nav__cta--line:hover {
    background: #05b04c;
}

/* --- Mobile Toggle: デフォルト表示、md以上で非表示 --- */
.site-header__toggle {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.site-header__toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ink);
    margin: 5px 0;
    transition: all var(--duration-fast) ease;
}

.site-header__toggle.is-active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.site-header__toggle.is-active span:nth-child(2) {
    opacity: 0;
}

.site-header__toggle.is-active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Mobile Nav Overlay --- */
.mobile-nav {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(254, 253, 251, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 99;
    padding: var(--space-xl) var(--space-lg);
}

.mobile-nav.is-open {
    display: block;
}

.mobile-nav__link {
    display: block;
    padding: var(--space-md) 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-main);
    border-bottom: 1px solid var(--line);
}

.mobile-nav__cta {
    display: block;
    text-align: center;
    background: var(--deep);
    color: #fff;
    padding: 14px;
    border-radius: var(--radius-pill);
    font-size: 18px;
    font-weight: 700;
    margin-top: var(--space-lg);
}


/* =========================================
   md — タブレット以上でデスクトップナビ表示
   ========================================= */

@media (min-width: 768px) {
    .site-header__inner {
        padding: 0 var(--space-sm);
    }

    .site-header__logo-img {
        height: 40px;
    }

    .site-nav {
        display: flex;
        gap: var(--space-md);
    }

    .site-nav__link {
        font-size: 13px;
        white-space: nowrap;
    }

    .site-nav__cta {
        padding: 6px 12px;
        font-size: 12px;
        white-space: nowrap;
    }

    .site-header__toggle {
        display: none;
    }
}

@media (min-width: 1024px) {
    .site-header__inner {
        padding: 0 var(--space-xl);
    }

    .site-header__logo-img {
        height: 48px;
    }

    .site-nav {
        gap: var(--space-lg);
    }

    .site-nav__link {
        font-size: 15px;
    }

    .site-nav__cta {
        padding: 8px 16px;
        font-size: 13px;
    }
}
/* =========================================
   FOOTER + MAP
   ========================================= */

.site-footer {
    background: var(--deep);
    color: #fff;
    padding: var(--space-3xl) var(--space-md) var(--space-xl);
}

.site-footer__inner {
    max-width: var(--container-max);
    margin: 0 auto;
}

.site-footer__top {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.site-footer__brand {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.site-footer__brand-sub {
    font-size: 14px;
    color: var(--gold-light);
    display: block;
    margin-top: 4px;
    font-family: var(--font-body);
    font-weight: 400;
}

.site-footer__info {
    font-size: 15px;
    line-height: 2;
    opacity: 0.8;
}

.site-footer__info dt {
    font-weight: 700;
    color: var(--gold-light);
    display: inline;
}

.site-footer__info dd {
    display: inline;
    margin-left: 8px;
    margin-right: 0;
}

.site-footer__nav-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--gold-light);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: var(--space-md);
}

.site-footer__nav-list {
    list-style: none;
    display: grid;
    gap: var(--space-sm);
}

.site-footer__nav-link {
    font-size: 15px;
    opacity: 0.8;
    transition: opacity var(--duration-fast);
}

.site-footer__nav-link:hover {
    opacity: 1;
    color: var(--gold-light);
}

.site-footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.site-footer__copy {
    font-size: 14px;
    opacity: 0.5;
}

.site-footer__sns {
    display: flex;
    gap: var(--space-md);
}

.site-footer__sns a {
    width: 36px;
    height: 36px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: grid;
    place-items: center;
    transition: all 0.2s;
}

.site-footer__sns a:hover {
    border-color: var(--gold-light);
    background: rgba(255, 255, 255, 0.05);
}

.map-embed {
    width: 100%;
    overflow: hidden;
}

.map-embed iframe {
    width: 100%;
    height: 300px;
    border: 0;
    display: block;
}

/* --- Back to Top --- */
.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    background: var(--card-bg);
    border: 1px solid var(--line);
    border-radius: 50%;
    display: grid;
    place-items: center;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all var(--duration-fast);
    z-index: 50;
    opacity: 0;
    pointer-events: none;
}

.back-to-top.is-visible {
    opacity: 1;
    pointer-events: auto;
}

.back-to-top:hover {
    background: var(--bg-warm);
    transform: translateY(-2px);
}


/* =========================================
   md — タブレット以上
   ========================================= */

@media (min-width: 768px) {
    .site-footer__top {
        grid-template-columns: 1.2fr 1fr;
    }

    .map-embed iframe {
        height: 400px;
    }
}
/* =========================================
   SECTION LAYOUT
   ========================================= */

.section {
    padding: var(--section-padding) var(--space-md);
}

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

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

.section__inner {
    max-width: var(--container-max);
    margin: 0 auto;
}


/* =========================================
   SECTION HEADER — Type A
   英語ラベル + 日本語見出し + ゴールドバー（中央揃え）
   ========================================= */

.section-header-a {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-header-a__en {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-size: 24px;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold-dark);
    margin-bottom: var(--space-sm);
    display: block;
}

.section-header-a__ja {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    color: var(--text-heading);
    line-height: 1.5;
    letter-spacing: 0.12em;
}

.section-header-a__bar {
    width: 40px;
    height: 1px;
    background: var(--gold);
    margin: var(--space-md) auto 0;
}


/* =========================================
   SECTION HEADER — Type B
   見出しのみ大きめ。装飾なし。余白で魅せる
   ========================================= */

.section-header-b {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-header-b__title {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    color: var(--text-heading);
    line-height: 1.6;
    letter-spacing: 0.12em;
}

/* Type B2: 英語ラベル+見出しのみ */
.section-header-b2__en {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-size: 24px;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: var(--space-md);
    display: block;
}

.section-header-b2__title {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    color: var(--text-heading);
    line-height: 1.6;
    letter-spacing: 0.12em;
}


/* =========================================
   SECTION HEADER — Type C
   見出し + 説明文（中央揃え）
   ========================================= */

.section-header-c {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-header-c__title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    color: var(--text-heading);
    line-height: 1.5;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
}

.section-header-c__sub {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.8;
    max-width: 600px;
    margin: 0 auto;
}


/* =========================================
   SECTION HEADER — Type D
   左寄せ + 縦アクセント（ゴールド縦線）
   ========================================= */

.section-header-d {
    margin-bottom: var(--space-xl);
    padding-left: var(--space-lg);
    position: relative;
}

.section-header-d::before {
    content: "";
    position: absolute;
    left: 0;
    top: 4px;
    width: 3px;
    height: calc(100% - 8px);
    background: var(--gold);
    border-radius: 2px;
}

.section-header-d__en {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-size: 22px;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold-dark);
    margin-bottom: var(--space-xs);
    display: block;
}

.section-header-d__title {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 600;
    color: var(--text-heading);
    line-height: 1.5;
    letter-spacing: 0.1em;
}


/* =========================================
   HERO (open layout)
   ========================================= */

.hero-section {
    position: relative;
    overflow: hidden;
    background: #ffffff;
    padding: var(--space-xl) 0;
}

.hero-section__video-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.hero-section::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.75) 50%, rgba(255, 255, 255, 0.5) 100%);
    pointer-events: none;
    z-index: 0;
}

.hero-section__inner {
    max-width: var(--container-wide);
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    min-height: 70vh;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.hero-section__copy {
    position: relative;
    z-index: 2;
    width: 100%;
}

.hero-section__target {
    font-size: 14px;
    color: var(--gold-dark);
    font-weight: 600;
    margin-bottom: var(--space-md);
    letter-spacing: 0.05em;
}

.hero-section__title {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 700;
    color: var(--deep);
    line-height: 1.5;
    letter-spacing: 0.12em;
    margin-bottom: var(--space-lg);
}

.hero-section__subtitle {
    font-size: 16px;
    color: var(--text-main);
    line-height: 2.0;
    margin-bottom: var(--space-lg);
}

.hero-section__usp {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 600;
    color: var(--deep);
    margin-bottom: var(--space-lg);
}

.hero-section__badge {
    margin-bottom: var(--space-lg);
}

.hero-section__buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    align-items: stretch;
    margin-bottom: var(--space-md);
}

.hero-section__micro {
    font-size: 13px;
    color: var(--text-muted);
}

/* 画像: 全面背景モード — image-wrapは非表示 */
.hero-section__image-wrap {
    display: none;
}

.hero-section__image {
    display: none;
}


/* =========================================
   col-4-icon（コンセプト4つの特徴）
   ========================================= */

.col-4-icon {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    max-width: var(--container-max);
    margin: 0 auto;
}

.col-4-icon__item {
    text-align: center;
}

.col-4-icon__icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--bg-warm);
    display: grid;
    place-items: center;
    margin: 0 auto var(--space-sm);
}

.col-4-icon__title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-heading);
    margin-bottom: var(--space-xs);
}

.col-4-icon__desc {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.7;
}


/* =========================================
   OFFER BANNER
   ========================================= */

.offer-banner {
    text-align: center;
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.offer-banner__label {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--gold-light);
    margin-bottom: var(--space-sm);
}

.offer-banner__title {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    margin-bottom: var(--space-md);
}

.offer-banner__desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 2.0;
}

.offer-banner__line {
    width: 40px;
    height: 1px;
    background: var(--gold);
    margin: var(--space-lg) auto 0;
}


/* =========================================
   MEDIA BAR (open)
   ========================================= */

.media-bar {
    text-align: center;
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.media-bar__stats {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
}

.media-bar__stat {
    text-align: center;
}

.media-bar__stat-num {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    color: var(--gold-dark);
    display: block;
}

.media-bar__stat-label {
    font-size: 14px;
    color: var(--text-muted);
}

.media-bar__detail {
    font-size: 15px;
    color: var(--text-main);
    line-height: 2.0;
    letter-spacing: 0.05em;
}


/* =========================================
   OPEN LAYOUT SYSTEM
   ========================================= */

.open-section {
    padding: var(--section-padding) var(--space-md);
}

.open-section__inner {
    max-width: var(--container-max);
    margin: 0 auto;
}

.open-section__text {
    max-width: var(--container-narrow);
    margin: 0 auto;
    text-align: center;
}

.open-section__text p {
    font-size: 16px;
    color: var(--text-main);
    line-height: 2.2;
    letter-spacing: 0.05em;
}

.open-section__text p+p {
    margin-top: var(--space-lg);
}

.open-section__line {
    width: 20px;
    height: 1px;
    background: var(--gold);
    margin: var(--space-xl) auto;
}

/* --- open-checklist --- */
.open-checklist {
    list-style: none;
    max-width: var(--container-narrow);
    margin: 0 auto;
    display: grid;
    gap: var(--space-md);
}

.open-checklist__item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    font-size: 16px;
    color: var(--text-main);
    line-height: 2.0;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--line);
}

.open-checklist__item:last-child {
    border-bottom: none;
}

.open-checklist__icon {
    flex: 0 0 auto;
    width: 20px;
    height: 20px;
    margin-top: 6px;
    color: var(--gold);
}

/* --- Botanical Divider --- */
.botanical-divider {
    text-align: center;
    padding: 0;
    margin: 0 auto;
    max-width: 300px;
}

.botanical-divider img {
    width: 100%;
    height: auto;
    opacity: 0.7;
}

/* --- open-two-col (media variant) --- */
.open-two-col--media .open-two-col__image {
    display: none;
}

.open-two-col--media .media-img-mobile {
    display: block;
    border-radius: var(--radius-img);
    width: 100%;
    height: auto;
    object-fit: cover;
}

/* --- open-two-col --- */
.open-two-col {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    align-items: stretch;
    max-width: var(--container-max);
    margin: 0 auto;
}

.open-two-col--reverse {
    direction: ltr;
}

.open-two-col--reverse>* {
    direction: ltr;
}

.open-two-col__image {
    border-radius: var(--radius-img);
    object-fit: cover;
    width: 100%;
    height: auto;
}

.open-two-col__text p {
    font-size: 16px;
    color: var(--text-main);
    line-height: 2.2;
    letter-spacing: 0.05em;
}

.open-two-col__text p+p {
    margin-top: var(--space-md);
}

/* --- highlight-block --- */
.highlight-block {
    background: var(--deep);
    color: #fff;
    border-radius: var(--radius-xl);
    padding: var(--space-xl) var(--space-md);
    position: relative;
    overflow: hidden;
}

.highlight-block::before {
    content: "";
    position: absolute;
    top: -30%;
    right: -20%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(199, 165, 100, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.highlight-block__title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    position: relative;
}

.highlight-block__text {
    font-size: 16px;
    line-height: 2.2;
    opacity: 0.95;
    position: relative;
}

.highlight-block__emphasis {
    color: var(--gold-light);
    font-weight: 700;
}

/* --- col-2-text (Before/After比較) --- */
.col-2-text {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    max-width: var(--container-max);
    margin: 0 auto;
}

.col-2-text__side {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
}

.col-2-text__side img {
    max-width: 100% !important;
    height: auto;
}

.col-2-text__side--before {
    background: var(--bg-warm);
    border: 1px solid var(--line);
}

.col-2-text__side--after {
    background: rgba(199, 165, 100, 0.06);
    border: 1px solid var(--line-gold);
}

.col-2-text__label {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: var(--space-md);
}

.col-2-text__side--before .col-2-text__label {
    color: var(--text-muted);
}

.col-2-text__side--after .col-2-text__label {
    color: var(--gold-dark);
}

.col-2-text__icon {
    margin-bottom: var(--space-md);
    display: flex;
}

.col-2-text__content {
    font-size: 15px;
    color: var(--text-main);
    line-height: 2.0;
}

.col-2-text__content strong {
    display: block;
    font-size: 16px;
    color: var(--text-heading);
    margin-bottom: var(--space-sm);
}

/* --- open-benefit --- */
.open-benefit {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
    padding: var(--space-lg) 0;
}

.open-benefit__icon {
    flex: 0 0 auto;
    width: 48px;
    height: 48px;
    background: var(--bg-warm);
    border-radius: 50%;
    display: grid;
    place-items: center;
}

.open-benefit__title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-heading);
    margin-bottom: var(--space-xs);
}

.open-benefit__desc {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.8;
}

/* --- open-profile --- */
.open-profile {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    align-items: start;
    max-width: var(--container-max);
    margin: 0 auto;
    text-align: center;
}

.open-profile__avatar {
    display: none;
}

.open-profile__image {
    width: 100%;
    max-width: 240px;
    margin: 0 auto;
    border-radius: 50%;
    object-fit: cover;
    aspect-ratio: 1;
}

.open-profile__name {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 600;
    color: var(--text-heading);
    letter-spacing: 0.12em;
    margin-bottom: var(--space-xs);
}

.open-profile__role {
    font-size: 14px;
    color: var(--gold-dark);
    font-weight: 600;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-lg);
}

.open-profile__text {
    font-size: 16px;
    color: var(--text-main);
    line-height: 2.2;
    letter-spacing: 0.05em;
    text-align: left;
}

.open-profile__text p+p {
    margin-top: var(--space-md);
}

/* --- Gallery --- */
.gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
}

.gallery__item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 1;
    cursor: pointer;
    transition: transform var(--duration-fast) ease;
}

.gallery__item:hover {
    transform: none;
}

/* Featured layout: モバイルでは2カラム */
.gallery--featured {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
}

.gallery__item--tall {
    grid-row: auto;
    aspect-ratio: 1;
}

.gallery__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: contrast(0.7) brightness(1.1) saturate(1.3) opacity(0.85);
}

/* --- Course Card --- */
.course-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

.course-card {
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    border: 1px solid var(--line);
}

.course-card--featured {
    grid-row: auto;
    position: relative;
    border: none;
    min-height: 400px;
}

.course-card--featured .course-card__img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: auto;
}

.course-card--featured::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.65) 0%, rgba(0, 0, 0, 0.1) 50%, transparent 100%);
    pointer-events: none;
}

.course-card--featured .course-card__badge {
    position: absolute;
    top: var(--space-lg);
    left: var(--space-lg);
    z-index: 2;
    border-radius: var(--radius-full);
}

.course-card--featured .course-card__body {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 2;
}

.course-card--featured .course-card__name {
    color: #fff;
    font-size: 20px;
}

.course-card--featured .course-card__desc {
    color: rgba(255, 255, 255, 0.85);
}

.course-card--featured .course-card__price {
    color: #fff;
}

.course-card--featured .course-card__time {
    color: rgba(255, 255, 255, 0.7);
}

.course-card--featured .course-card__tags .tag {
    border-color: rgba(255, 255, 255, 0.4);
    color: rgba(255, 255, 255, 0.9);
}

.course-card--overlay {
    position: relative;
    min-height: 280px;
}

.course-card--overlay .course-card__img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: auto;
}

.course-card--overlay::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.05) 100%);
    pointer-events: none;
}

.course-card--overlay .course-card__badge {
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
    z-index: 2;
    border-radius: var(--radius-full);
    font-size: 12px;
    padding: 6px 12px;
}

.course-card--overlay .course-card__body {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 2;
    padding: var(--space-md);
}

.course-card--overlay .course-card__name {
    color: #fff;
    font-size: 16px;
}

.course-card--overlay .course-card__desc {
    color: rgba(255, 255, 255, 0.85);
    font-size: 13px;
}

.course-card--overlay .course-card__price {
    color: #fff;
    font-size: 22px;
}

.course-card--overlay .course-card__time {
    color: rgba(255, 255, 255, 0.7);
}

.course-card--overlay .course-card__tags .tag {
    border-color: rgba(255, 255, 255, 0.4);
    color: rgba(255, 255, 255, 0.9);
    font-size: 11px;
}

.course-card__img {
    width: 100%;
    aspect-ratio: 3 / 2;
    object-fit: cover;
    display: block;
}

.course-card__badge {
    background: var(--deep);
    color: #fff;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.course-card__body {
    padding: var(--space-md);
    position: relative;
}

.course-card__illust-row {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
}

.course-card__illust {
    width: 80px;
    height: 80px;
    object-fit: contain;
    opacity: 0.8;
    flex-shrink: 0;
}

.course-card__name {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: var(--space-sm);
}

.course-card__desc {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

.course-card__meta {
    display: flex;
    align-items: baseline;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.course-card__time {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-main);
}

.course-card__price {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    color: var(--gold-dark);
}

.course-card__price small {
    font-size: 14px;
    font-weight: 500;
}

.course-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

/* --- open-faq --- */
.open-faq {
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.open-faq__item {
    border-bottom: 1px solid var(--line);
}

.open-faq__item:first-child {
    border-top: 1px solid var(--line);
}

.open-faq__q {
    padding: var(--space-lg) 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-heading);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    cursor: pointer;
}

.open-faq__q-label {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-size: 22px;
    font-weight: 600;
    color: var(--gold);
    flex: 0 0 auto;
}

.open-faq__q-text {
    flex: 1;
}

.open-faq__q-toggle {
    flex: 0 0 auto;
    width: 20px;
    height: 20px;
    color: var(--text-muted);
    transition: transform var(--duration-fast) ease;
}

.open-faq__item.is-open .open-faq__q-toggle {
    transform: rotate(180deg);
}

.open-faq__a {
    padding: 0 0 var(--space-lg);
    padding-left: calc(15px * 1.5 + var(--space-md));
    font-size: 15px;
    color: var(--text-main);
    line-height: 2.0;
    display: none;
}

.open-faq__item.is-open .open-faq__a {
    display: block;
}

/* --- Article Card --- */
.article-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

.article-card {
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--line);
    box-shadow: var(--shadow-sm);
    transition: transform var(--duration-fast) ease,
        box-shadow var(--duration-fast) ease;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

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

.article-card__body {
    padding: var(--space-md);
}

.article-card__cat {
    font-size: 13px;
    font-weight: 600;
    color: var(--gold-dark);
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
}

.article-card__title {
    font-family: var(--font-sub);
    font-size: 16px;
    font-weight: 600;
    color: var(--text-heading);
    line-height: 1.6;
    margin-bottom: var(--space-sm);
}

.article-card__excerpt {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: var(--space-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card__date {
    font-size: 13px;
    color: var(--text-light);
}

/* --- open-letter --- */
.open-letter {
    max-width: var(--container-narrow);
    margin: 0 auto;
    text-align: center;
    padding: var(--space-xl) 0;
}

.open-letter__bar {
    width: 40px;
    height: 2px;
    background: var(--gold);
    margin: 0 auto var(--space-xl);
}

.open-letter__title {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 600;
    color: var(--text-heading);
    letter-spacing: 0.12em;
    margin-bottom: var(--space-xl);
}

.open-letter__text {
    font-size: 16px;
    color: var(--text-main);
    line-height: 2.2;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xl);
}

.open-letter__sign {
    font-family: var(--font-heading);
    font-size: 18px;
    color: var(--gold-dark);
    font-weight: 600;
}


/* --- Flow Grid --- */
.flow-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-md);
    max-width: var(--container-max);
    margin: 0 auto;
}

/* --- Mechanism Grid --- */
.mechanism-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

/* --- Concern Grid --- */
.concern-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    max-width: var(--container-max);
    margin: 0 auto;
}

.concern-grid > div {
    display: flex;
    flex-direction: column;
}

.concern-grid .concern-voice {
    margin-top: auto;
    min-height: 200px;
}

/* =========================================
   mobile — スマホ専用 (〜767px)
   ========================================= */

@media (max-width: 767px) {
    .flow-grid {
        grid-template-columns: 1fr;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 10px 8px;
        font-size: 12px;
    }

    .comparison-table td:first-child {
        white-space: nowrap;
        font-size: 12px;
    }

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

    .open-profile__avatar {
        display: block;
        width: 120px;
        height: 120px;
        border-radius: 50%;
        object-fit: cover;
        margin: 0 auto var(--space-md);
    }

    .open-profile__image {
        display: none;
    }

    .col-2-text {
        gap: var(--space-sm);
    }

    .col-2-text__side {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: var(--space-sm) var(--space-md);
        padding: var(--space-sm);
    }

    .col-2-text__side .col-2-text__label {
        width: 100%;
        text-align: center;
        margin-bottom: 0;
    }

    .col-2-text__side img {
        width: 120px;
        flex-shrink: 0;
        margin: 0;
    }

    .col-2-text__content {
        font-size: 13px;
        line-height: 1.8;
    }

    .col-2-text__content strong {
        font-size: 14px;
    }
}

/* =========================================
   sm — 小型タブレット (576px〜767px)
   ========================================= */

@media (min-width: 576px) {
    .article-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-section__title {
        font-size: 30px;
    }
}


/* =========================================
   md — タブレット以上
   ========================================= */

@media (min-width: 768px) {
    /* Section Headers */
    .section-header-a__en {
        font-size: 28px;
    }

    .section-header-a__ja {
        font-size: 26px;
    }

    .section-header-b__title {
        font-size: 28px;
    }

    .section-header-b2__en {
        font-size: 26px;
    }

    .section-header-b2__title {
        font-size: 28px;
    }

    .section-header-c__title {
        font-size: 24px;
    }

    .section-header-c__sub {
        font-size: 16px;
    }

    .section-header-d__en {
        font-size: 24px;
    }

    .section-header-d__title {
        font-size: 22px;
    }

    /* Hero */
    .hero-section {
        padding: var(--space-3xl) 0;
    }

    .hero-section::after {
        background: linear-gradient(to right, rgba(255, 255, 255, 0.82) 0%, rgba(255, 255, 255, 0.7) 35%, rgba(255, 255, 255, 0) 65%);
    }

    .hero-section__inner {
        padding: 0 var(--space-xl);
        flex-direction: row;
        align-items: center;
        justify-content: flex-start;
        min-height: calc(100vh - 72px);
    }

    .hero-section__copy {
        width: 50%;
        flex: 0 0 50%;
    }

    .hero-section__target {
        font-size: 15px;
    }

    .hero-section__title {
        font-size: 42px;
    }

    .hero-section__subtitle {
        font-size: 18px;
    }

    .hero-section__usp {
        font-size: 18px;
    }

    .hero-section__buttons {
        align-items: flex-start;
    }

    .hero-section__micro {
        font-size: 14px;
    }

    /* Open Layout */
    .open-section {
        padding: var(--section-padding) var(--space-xl);
    }

    .open-section__text p {
        font-size: 18px;
    }

    .open-two-col {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-3xl);
    }

    .open-two-col--media .open-two-col__image {
        display: block;
    }

    .open-two-col--media .media-img-mobile {
        display: none;
    }

    .open-two-col--reverse {
        direction: rtl;
    }

    .open-two-col--reverse>* {
        direction: ltr;
    }

    .open-two-col__text p {
        font-size: 18px;
    }

    /* col-4-icon */
    .col-4-icon {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-xl);
    }

    .col-4-icon__icon {
        width: 64px;
        height: 64px;
    }

    .col-4-icon__title {
        font-size: 15px;
    }

    .col-4-icon__desc {
        font-size: 14px;
    }

    /* Offer Banner */
    .offer-banner__title {
        font-size: 26px;
    }

    .offer-banner__desc {
        font-size: 16px;
    }

    /* Media Bar */
    .media-bar__stat-num {
        font-size: 32px;
    }

    .media-bar__detail {
        font-size: 16px;
    }

    /* Highlight Block */
    .highlight-block {
        padding: var(--space-2xl) var(--space-lg);
    }

    .highlight-block__title {
        font-size: 26px;
    }

    .highlight-block__text {
        font-size: 18px;
    }

    /* col-2-text */
    .col-2-text {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-2xl);
    }

    .col-2-text__side {
        padding: var(--space-xl);
    }

    .col-2-text__content {
        font-size: 16px;
    }

    .col-2-text__content strong {
        font-size: 18px;
    }

    /* Open Benefit */
    .open-benefit__title {
        font-size: 18px;
    }

    .open-benefit__desc {
        font-size: 16px;
    }

    /* Open Profile */
    .open-profile {
        grid-template-columns: 1fr 320px;
        gap: var(--space-2xl);
        text-align: left;
    }

    .open-profile__image {
        max-width: none;
        margin: 0;
        border-radius: var(--radius-img);
        aspect-ratio: 3/4;
    }

    .open-profile__name {
        font-size: 26px;
    }

    .open-profile__text {
        font-size: 18px;
    }

    /* Gallery */
    .gallery {
        grid-template-columns: repeat(4, 1fr);
    }

    .gallery--featured {
        grid-template-columns: 1.4fr 1fr 1.4fr;
        grid-template-rows: 1fr 1fr;
    }

    .gallery__item--tall {
        grid-row: 1 / 3;
        aspect-ratio: auto !important;
    }

    /* Course Card */
    .course-grid {
        grid-template-columns: 1.4fr 1fr;
        grid-template-rows: 330px 330px;
    }

    .course-card--featured {
        grid-row: 1 / 3;
        min-height: auto;
    }

    .course-card--featured .course-card__name {
        font-size: 24px;
    }

    .course-card--overlay {
        min-height: auto;
    }

    .course-card__body {
        padding: var(--space-lg);
    }

    .course-card__illust {
        width: 100px;
        height: 100px;
    }

    .course-card__name {
        font-size: 20px;
    }

    .course-card__desc {
        font-size: 15px;
    }

    .course-card__time {
        font-size: 16px;
    }

    .course-card__price {
        font-size: 28px;
    }

    .course-card__price small {
        font-size: 15px;
    }

    /* Open FAQ */
    .open-faq__q {
        font-size: 18px;
    }

    .open-faq__q-label {
        font-size: 24px;
    }

    .open-faq__a {
        font-size: 16px;
    }

    /* Concern Grid */
    .concern-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Article */
    .article-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-lg);
    }

    .article-card__body {
        padding: var(--space-lg);
    }

    .article-card__cat {
        font-size: 14px;
    }

    .article-card__title {
        font-size: 18px;
    }

    .article-card__excerpt {
        font-size: 15px;
    }

    .article-card__date {
        font-size: 14px;
    }

    /* Open Letter */
    .open-letter {
        padding: var(--space-2xl) 0;
    }

    .open-letter__title {
        font-size: 20px;
    }

    .open-letter__text {
        font-size: 18px;
    }

    /* Checklist */
    .open-checklist__item {
        font-size: 18px;
    }

    /* Botanical Divider */
    .botanical-divider {
        max-width: 420px;
    }
}