/* =========================================
   2. Common Parts (共通パーツ)
========================================= */

.section-header {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    padding-top: 30px;
}

.section-header .bg-text {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    font-size: clamp(32px, 10vw, 100px);
    color: rgba(0, 0, 0, 0.03);
    font-weight: 700;
    letter-spacing: 0.1em;
    white-space: nowrap;
    z-index: 0;
}

.section-title {
    position: relative;
    z-index: 1;
    font-size: clamp(18px, 5vw, 32px);
    font-weight: 900;
    letter-spacing: 0.05em;
    color: var(--text-main);
    line-height: 1.4;
}

.section-title::after {
    content: '';
    display: block;
    width: 30px;
    height: 3px;
    background-color: var(--primary-color); /* 赤に変更 */
    margin: 12px auto 0;
    border-radius: 2px;
}

/* =========================================
    4. Hero Section (ファーストビュー)
========================================= */
.hero {
    position: relative;
    height: 100dvh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background-color: var(--bg-base);
    padding-top: 60px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../img/gym-fv.jpg') center/cover no-repeat; /* ジム用画像に変更 */
    z-index: 0;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(255, 255, 255, 0.85) 0%, rgba(255, 255, 255, 0.3) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 0 20px;
    width: 100%;
    max-width: 1000px;
    text-align: left;
    animation: fadeIn 1.5s ease-out forwards;
}

.hero-content * {
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.9);
}

.hero-catch-sub {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
    color: var(--text-muted);
}

.hero-catch-main {
    font-size: clamp(20px, 6vw, 40px);
    font-weight: 900;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
    color: var(--text-main);
    border-bottom: 3px solid var(--primary-color); /* 赤に変更 */
    display: inline-block;
    padding-bottom: 4px;
}

.hero-title {
    font-size: clamp(24px, 7vw, 64px);
    font-weight: 900;
    line-height: 1.35;
    margin-bottom: 35px;
    color: var(--text-main);
}

.hero-title span {
    color: var(--primary-color); /* 赤に変更 */
}

.hero-logo-img {
    height: clamp(35px, 9vw, 55px);
    width: auto;
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-brand {
    position: relative;
    margin-top: 15px; 
}

.hero-brand h2 {
    font-size: clamp(48px, 12vw, 100px); 
    line-height: 0.9;
    font-weight: 900;
    color: var(--text-main);
    letter-spacing: -0.01em;
    filter: drop-shadow(0 5px 15px rgba(0,0,0,0.3));
    text-transform: capitalize; 
}

.hero-brand h2 span {
    color: var(--primary-color); /* 赤に変更 */
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.hero-ruby {
    display: block;
    font-size: clamp(14px, 2.5vw, 18px); 
    font-weight: 900;
    color: var(--text-main);
    letter-spacing: 0.5em; 
    margin-top: 5px;
    padding-left: 5px;
    text-shadow: 0 2px 8px rgba(255, 255, 255, 0.8);
}

@media (max-width: 767px) {
    .hero-bg::after {
        background: linear-gradient(to right, rgba(255, 255, 255, 0.6) 0%, rgba(255, 255, 255, 0) 100%);
    }
}

/* =========================================
   5. Concept Movie (動画セクション)
========================================= */
.concept-movie {
    padding: 40px 20px 20px;
    background-color: var(--bg-base);
}

.movie-container {
    max-width: 800px;
    margin: 0 auto;
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border: 3px solid #fff;
}

.video-wrapper iframe,
.video-wrapper video {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    border: none;
}

.dummy-video {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: url('https://img.youtube.com/vi/SGp6tvWLYSo/maxresdefault.jpg') center/cover;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    z-index: 1;
}

.dummy-video::after {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.4);
}

.play-btn {
    position: relative;
    z-index: 2;
    width: 60px;
    height: 60px;
    background: var(--primary-color); /* 赤に変更 */
    color: #fff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 24px;
    padding-left: 4px; 
    box-shadow: 0 5px 15px rgba(230, 0, 18, 0.4); /* 赤い影に変更 */
    transition: transform 0.2s;
}

.dummy-video:hover .play-btn {
    transform: scale(1.1);
}

.movie-caption {
    text-align: center;
    margin-top: 15px;
    font-weight: 700;
    color: var(--primary-color);
    font-size: 13px;
}

.movie-cta-wrap {
    margin-top: 50px;
    text-align: center;
    padding: 0 20px;
}

.movie-cta-lead {
    font-size: 16px;
    font-weight: 900;
    color: var(--primary-color); /* 赤に変更 */
    margin-bottom: 15px;
    letter-spacing: 0.05em;
}

.btn-primary {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    /* ジムらしい力強い赤グラデーションに変更 */
    background: linear-gradient(135deg, #ff3333 0%, #cc0000 100%);
    color: #fff;
    text-decoration: none;
    padding: 15px 40px 20px;
    border-radius: 50px;
    box-shadow: 0 8px 25px rgba(230, 0, 18, 0.4); /* 赤い影 */
    transition: all 0.3s ease;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    font-size: 22px;
    font-weight: 900;
    letter-spacing: 0.05em;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(230, 0, 18, 0.5);
}

.btn-primary .btn-sub {
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 5px;
    opacity: 0.9;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: -50%; left: -60%; width: 20%; height: 200%;
    background: rgba(255, 255, 255, 0.4);
    transform: rotate(45deg);
    animation: btnShine 3s infinite;
}

/* =========================================
    7. Comparison (比較セクション)
========================================= */
.comparison {
    padding: 80px 20px;
    background: #fff;
}

.comp-table-wrap {
    max-width: 900px;
    margin: 0 auto;
    overflow-x: auto;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    -webkit-overflow-scrolling: touch;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: center;
    min-width: 500px;
    font-size: 14px;
}

th, td {
    padding: 15px 10px;
    border-bottom: 1px solid var(--border-color);
    font-weight: 700;
}

th {
    background-color: #f1f3f5;
    color: var(--text-muted);
}

.col-sphoto {
    color: var(--primary-color); /* 赤に変更 */
    font-size: 16px;
    background-color: #fff2f2; /* 薄い赤に変更 */
    border-bottom: 2px solid var(--primary-color) !important;
}

.sphoto-cell {
    background-color: #fff2f2; /* 薄い赤に変更 */
    color: var(--text-main);
    border-left: 1px solid rgba(230, 0, 18, 0.2); /* 赤のボーダー */
    border-right: 1px solid rgba(230, 0, 18, 0.2);
}

/* =========================================
   8. Features (特徴セクション)
========================================= */
.features {
    padding: 80px 20px;
    background-color: #fff;
}

.feature-container {
    max-width: 1000px;
    margin: 0 auto;
}

.feature-row {
    display: flex;
    flex-direction: column;
    margin-bottom: 60px;
    background: var(--bg-surface);
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.03);
    position: relative;
}

.feature-img {
    width: 100%;
    height: 250px;
    overflow: hidden; 
    border-radius: 16px 16px 0 0;
}

.feature-img img {
    width: 100%; height: 100%; object-fit: cover;
}

.feature-content {
    padding: 30px 20px;
    position: relative;
}

.feature-num {
    position: absolute;
    top: 10px; right: 20px;
    font-size: 60px; font-weight: 700;
    color: rgba(230, 0, 18, 0.08); /* うっすら赤 */
    line-height: 1; z-index: 0;
    pointer-events: none; 
}

.feature-point-title {
    font-size: 20px; font-weight: 900; margin-bottom: 15px;
    color: var(--text-main); line-height: 1.4;
    position: relative; z-index: 1;
}

.feature-desc p {
    font-size: 14px; color: var(--text-muted);
    line-height: 1.6; position: relative; z-index: 1;
}

.feature-extra {
    max-width: 800px; margin: 60px auto 0;
}

.extra-card {
    display: flex; flex-direction: column;
    background: #fff; 
    border: 2px dashed var(--primary-color); /* 赤点線 */
    border-radius: 20px; position: relative;
}

.extra-img-wrap {
    width: 100%; height: 220px; position: relative;
    border-radius: 18px 18px 0 0; overflow: hidden; 
}

.extra-img-wrap img { width: 100%; height: 100%; object-fit: cover; }

.extra-modte-badge {
    position: absolute; bottom: -18px; left: 50%; transform: translateX(-50%);
    background: #E60012; color: #fff; font-size: 14px; font-weight: 900;
    padding: 8px 20px; border-radius: 50px;
    box-shadow: 0 4px 15px rgba(230, 0, 18, 0.4); z-index: 5; white-space: nowrap;
}

.extra-content { padding: 45px 20px 30px; }

.extra-badge {
    display: inline-block;
    background: var(--primary-color); /* 赤 */
    color: #fff; font-family: 'Oswald', sans-serif;
    padding: 3px 10px; font-size: 11px; font-weight: 700;
    border-radius: 4px; margin-bottom: 10px;
}

/* =========================================
   9. Voices (参加メンバーのリアルな声)
========================================= */
.voices {
    padding: 80px 20px;
    background-color: var(--bg-surface, #f9f9f9);
}

.voice-grid {
    max-width: 1000px; margin: 0 auto;
    display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.voice-card {
    background: #fff; padding: 30px 25px; border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.05); position: relative;
    border: 1px solid #f0f0f0; transition: transform 0.3s;
}

.voice-card:hover { transform: translateY(-5px); box-shadow: 0 12px 35px rgba(0, 0, 0, 0.08); }

.voice-card::before {
    content: '“'; position: absolute; top: 10px; left: 20px;
    font-size: 80px; font-family: Georgia, serif;
    color: rgba(230, 0, 18, 0.08); /* 赤色に変更 */
    line-height: 1; z-index: 0;
}

.voice-header {
    display: flex; align-items: center; gap: 15px; margin-bottom: 20px;
    padding-bottom: 15px; border-bottom: 1px dashed #eee; position: relative; z-index: 1;
}

.voice-avatar {
    width: 60px; height: 60px; border-radius: 50%; overflow: hidden;
    background-color: #eee; flex-shrink: 0;
}

.voice-avatar img {
    width: 100%; height: 100%; object-fit: cover;
    filter: blur(4px) brightness(1.1); transform: scale(1.1); 
}

.voice-meta { display: flex; flex-direction: column; gap: 5px; }
.voice-stars { color: #ffb400; font-size: 14px; letter-spacing: 2px; }
.voice-user { font-size: 13px; font-weight: 900; color: #333; margin: 0; }

.voice-text { font-size: 15px; font-weight: 500; color: #444; line-height: 1.8; position: relative; z-index: 1; margin: 0; }

.voice-text .highlight {
    font-weight: 900; color: #000;
    /* オレンジからジム向けの赤系マーカーに変更 */
    background: linear-gradient(transparent 50%, rgba(230, 0, 18, 0.3) 50%);
}

/* =========================================
   12. Flow (参加後の流れ)
========================================= */
.contents { background-color: #fff; padding: 80px 20px; }
.flow-wrap { max-width: 900px; margin: 0 auto; display: flex; flex-direction: column; gap: 30px; }
.flow-step {
    background: var(--bg-surface); border-radius: 16px; overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05); display: flex; flex-direction: column;
}

.flow-img { width: 100%; height: 250px; background-color: #f1f3f5; display: flex; justify-content: center; align-items: center; }
.flow-img img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; }
.flow-text { padding: 25px 20px; }

.step-label {
    display: inline-block; font-family: 'Oswald', sans-serif; color: #fff;
    background-color: var(--primary-color); /* 赤 */
    padding: 4px 16px; border-radius: 20px; font-size: 14px;
    letter-spacing: 0.1em; margin-bottom: 12px; font-weight: 700;
}

.flow-text h3 { font-size: 18px; margin-bottom: 15px; line-height: 1.4; color: var(--text-main); }
.flow-text p { color: var(--text-muted); font-weight: 500; font-size: 14px; line-height: 1.6; }

/* =========================================
    13. FAQ (よくある質問)
========================================= */
.faq { padding: 80px 20px; max-width: 800px; margin: 0 auto; background: #fff; }
.faq-item { margin-bottom: 15px; background: var(--bg-surface); border-radius: 8px; overflow: hidden; }

.faq-q { padding: 20px; font-weight: 700; font-size: 15px; display: flex; align-items: flex-start !important; }
.faq-q::before {
    content: 'Q.'; font-family: 'Oswald', sans-serif;
    color: var(--primary-color); /* 赤 */
    font-size: 20px; margin-right: 15px; line-height: 1.4; margin-top: -2px;
}

.faq-a { padding: 0 20px 20px 20px; color: var(--text-muted); font-size: 14px; display: flex; align-items: flex-start !important; font-weight: 500; }
.faq-a::before { content: 'A.'; font-family: 'Oswald', sans-serif; color: #ccc; font-size: 20px; margin-right: 15px; line-height: 1.4; margin-top: -2px; }

/* =========================================
    14. CTA (購入エリア)
========================================= */
.cta {
    padding: 100px 20px; text-align: center;
    /* 全体に馴染む、うっすらとしたシルバー〜淡い赤グラデーション */
    background: linear-gradient(135deg, #fcfcfc 0%, #fff2f2 100%);
    color: #333; position: relative; overflow: hidden;
}

.cta::before {
    content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 800px; height: 800px;
    background: radial-gradient(circle, rgba(230, 0, 18, 0.05) 0%, transparent 70%); /* 赤いオーラ */
    pointer-events: none; z-index: 0;
}

.cta-inner { position: relative; z-index: 10; max-width: 800px; margin: 0 auto; }
.cta-lead { color: var(--primary-color); font-weight: 900; letter-spacing: 0.1em; margin-bottom: 15px; font-size: clamp(14px, 3vw, 16px); }
.cta-title { font-size: clamp(28px, 6vw, 42px); font-weight: 900; margin-bottom: 50px; line-height: 1.3; color: #000; }

.price-box {
    background: #fff;
    border: 2px solid rgba(230, 0, 18, 0.1); /* 赤いフチ */
    padding: 40px 20px; border-radius: 16px; max-width: 400px; margin: 0 auto 50px;
    box-shadow: 0 15px 35px rgba(230, 0, 18, 0.08); /* 赤い影 */
}

.price-label { font-size: 14px; font-weight: 900; letter-spacing: 0.1em; color: var(--primary-color); margin-bottom: 15px; }
.price-main { font-size: 18px; font-weight: 900; display: flex; justify-content: center; align-items: baseline; gap: 5px; color: #000; }

.price-number {
    font-size: 64px; color: var(--primary-color); /* 赤 */
    line-height: 1; font-family: 'Oswald', sans-serif;
    text-shadow: 0 4px 10px rgba(230, 0, 18, 0.2); 
}

.price-sub { font-size: 13px; color: #666; font-weight: 700; margin-top: 15px; letter-spacing: 0.05em; }

.btn-lrg {
    display: inline-flex; flex-direction: column; justify-content: center; align-items: center;
    background: linear-gradient(135deg, #ff3333 0%, #cc0000 100%); /* ジム用の強い赤 */
    color: #fff; text-decoration: none; padding: 20px 40px; border-radius: 50px;
    box-shadow: 0 10px 30px rgba(230, 0, 18, 0.4); transition: all 0.3s ease;
    width: 100%; max-width: 500px; margin: 0 auto; position: relative; overflow: hidden;
    font-size: 24px; font-weight: 900; letter-spacing: 0.05em;
}

.btn-lrg:hover { transform: translateY(-5px) scale(1.02); box-shadow: 0 15px 40px rgba(230, 0, 18, 0.6); }
.btn-lrg .btn-sub { font-size: 13px; font-weight: 700; margin-bottom: 5px; opacity: 0.9; }

.btn-lrg::after {
    content: ''; position: absolute; top: -50%; left: -60%; width: 20%; height: 200%;
    background: rgba(255, 255, 255, 0.4); transform: rotate(45deg); animation: btnShine 3s infinite;
}

.cta-note { margin-top: 25px; font-size: 14px; color: #888; font-weight: 700; }

/* =========================================
    15. Footer (フッター)
========================================= */
.footer { background-color: var(--bg-surface); padding: 60px 20px 40px; border-top: 1px solid var(--border-color); text-align: center; }
.footer-inner { max-width: 1000px; margin: 0 auto; }
.footer-logo { margin: 0 auto 30px auto; display: inline-block; }
.footer-logo a { display: block; }
.footer-logo img { height: 36px; width: auto; margin: 0 auto; display: block; filter: grayscale(100%) opacity(0.7); transition: all 0.3s ease; }
.footer-logo a:hover img { filter: grayscale(0%) opacity(1); }
.footer-menu { list-style: none; display: flex; justify-content: center; flex-wrap: wrap; gap: 15px 30px; margin-bottom: 40px; }
.footer-menu a { color: var(--text-muted); text-decoration: none; font-size: 13px; font-weight: 700; letter-spacing: 0.05em; transition: color 0.3s ease; }
.footer-menu a:hover { color: var(--primary-color); } /* 赤に変更 */
.footer-copyright { color: #aaaaaa; font-size: 12px; letter-spacing: 0.1em; }

/* =========================================
16. Media Queries (PC用レイアウト・レスポンシブ一括設定)
========================================= */
@media (min-width: 768px) {
    .section-header .bg-text { font-size: clamp(50px, 10vw, 100px); }
    .section-title { font-size: clamp(24px, 5vw, 32px); }
    .header-inner { padding: 15px 40px; }
    .header-logo img { height: 44px; }
    .header-nav { display: block; }
    .header-btn { display: inline-block; }
    .hamburger { display: none; }
    .mobile-nav { display: none !important; }
    
    .hero-content { text-align: center; }
    .hero-bg::after { background: linear-gradient(to right, rgba(255, 255, 255, 0.7) 0%, rgba(255, 255, 255, 0.1) 100%); }
    .hero-logo-img { height: 55px; margin: 0 auto; }
    .hero-catch-main { font-size: 40px; }
    .hero-title { font-size: 64px; }

    .problems { padding: 80px 20px; }
    .marker { padding: 0 4px; }

    /* Features 関連 PC */
    .feature-row { flex-direction: row; background: transparent; box-shadow: none; align-items: center; gap: 60px; margin-bottom: 120px; }
    .feature-row:nth-child(even) { flex-direction: row-reverse; }
    .feature-img { width: 50%; height: 380px; border-radius: 24px; box-shadow: 0 15px 45px rgba(0,0,0,0.1); }
    .feature-content { width: 50%; padding: 0; }
    .feature-num { font-size: 140px; top: -50px; left: -30px; right: auto; }
    .feature-row:nth-child(even) .feature-num { left: auto; right: -30px; }
    .feature-point-title { font-size: 28px; margin-bottom: 25px; }
    .feature-desc p { font-size: 16px; }
    .feature-extra { max-width: 900px; margin-top: 100px; }
    .extra-card { flex-direction: row; align-items: stretch; text-align: left; }
    .extra-img-wrap { width: 40%; height: auto; min-height: 300px; border-radius: 18px 0 0 18px; }
    .extra-modte-badge { bottom: 30px; right: -25px; left: auto; transform: none; }
    .extra-content { width: 60%; padding: 50px 60px; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; }

    /* Flow 関連 PC */
    .flow-wrap { gap: 60px; }
    .flow-step { flex-direction: row; align-items: center; background: transparent; box-shadow: none; }
    .flow-step:nth-child(even) { flex-direction: row-reverse; }
    .flow-img { width: 45%; height: 300px; border-radius: 16px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08); }
    .flow-text { width: 55%; padding: 0 40px; }
    .flow-text h3 { font-size: 22px; }
    .flow-text p { font-size: 15px; }

    .feature-grid { grid-template-columns: repeat(3, 1fr); }
    .voice-grid { grid-template-columns: repeat(2, 1fr); }
    .instructor-grid { grid-template-columns: repeat(2, 1fr); }

    table { font-size: 16px; }
    th, td { padding: 20px 15px; }
    .col-sphoto { font-size: 20px; }

    .btn { display: inline-block; width: auto; padding: 20px 60px; font-size: 18px; }
    .price-box { font-size: 20px; padding: 30px 60px; }
    .price-box span { font-size: 64px; }
    
    .footer { padding: 80px 40px 40px; }
    .footer-logo img { height: 44px; }
    .footer-menu { gap: 40px; }
}

@media screen and (max-width: 767px) {
    .problem-list { -webkit-overflow-scrolling: touch; }
    .comp-table-wrap { -webkit-overflow-scrolling: touch; }
    .movie-cta-lead { font-size: 14px; line-height: 1.6; }
    .btn-primary { font-size: 18px; padding: 12px 20px 15px; }
    .btn-primary .btn-sub { font-size: 11px; }

    /* スマホ表示の細かいズレ・余白修正 */
    .btn-lrg { padding: 15px 20px; font-size: 20px; }
    .btn-lrg .btn-sub { font-size: 11px; line-height: 1.4; }
    .voice-card { padding: 25px 20px; }
    .section-title { font-size: 22px !important; line-height: 1.4; }
    .movie-catch { font-size: 18px !important; }
    .sp-br { display: block; }
}

.sp-br { display: none; }
.instructor-img { flex-shrink: 0 !important; }

/* =========================================
   3. Header & Navigation (ヘッダー)
========================================= */

/* --- ヘッダーのベース（すりガラス・固定） --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    /* 今風のすりガラスエフェクト */
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    align-items: center;
}

/* --- 左側：ロゴ画像 --- */
.header-logo {
    margin: 0;
    margin-right: auto;
    line-height: 1;
}

.header-logo img {
    height: 75px;
    width: auto;
    display: block;
}

/* --- 中央：PC用ナビメニュー --- */
.header-nav {
    margin-right: 30px;
}

.header-nav ul {
    display: flex;
    list-style: none;
    gap: 40px;
    margin: 0;
    padding: 0;
}

.header-nav a {
    text-decoration: none;
    font-size: 15px;
    font-weight: 700;
    color: var(--text-main, #333);
    letter-spacing: 0.05em;
    padding-bottom: 5px;
    position: relative;
    transition: color 0.3s;
}

/* ホバー時の赤みオレンジ下線アニメーション */
.header-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--primary-color, #ff4d00); /* 赤みオレンジに変更 */
    transition: all 0.3s;
    transform: translateX(-50%);
}

.header-nav a:hover {
    color: var(--primary-color, #ff4d00); /* 赤みオレンジに変更 */
}

.header-nav a:hover::after {
    width: 100%;
}

/* --- 右側：サロンへ入会するボタン --- */
.header-btn {
    background: var(--primary-color, #ff4d00); /* 赤みオレンジに変更 */
    color: #fff;
    text-decoration: none;
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    transition: all 0.3s;
    box-shadow: 0 4px 10px rgba(255, 77, 0, 0.3); /* 影も赤みオレンジに */
}

.header-btn:hover {
    background: #e63e00; /* ホバー時は少しだけ暗い赤みオレンジ */
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(255, 77, 0, 0.4);
}

/* --- ハンバーガーボタン（PCでは非表示） --- */
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 1001;
    padding: 0;
}

.hamburger span {
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #333;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger span:nth-of-type(1) { top: 0; }
.hamburger span:nth-of-type(2) { top: 9px; }
.hamburger span:nth-of-type(3) { bottom: 0; }

/* --- モバイルナビ（PCでは非表示） --- */
.mobile-nav {
    display: none;
}

/* =========================================
   スマホ用レスポンシブ（767px以下）
========================================= */
@media (max-width: 767px) {
    .header-nav { display: none; }
    .header-btn { display: none; }
    .hamburger { display: block; }

    .mobile-nav {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        padding-top: 100px;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        z-index: 999;
    }

    .mobile-nav.is-active {
        transform: translateX(0);
    }

    .mobile-nav ul {
        list-style: none;
        padding: 0;
        margin: 0;
        text-align: center;
    }

    .mobile-nav li {
        margin-bottom: 30px;
    }

    .mobile-nav a {
        color: #333;
        font-size: 18px;
        font-weight: 700;
        text-decoration: none;
        display: inline-block;
    }

    .hamburger.is-active span:nth-of-type(1) {
        transform: translateY(9px) rotate(45deg);
    }
    .hamburger.is-active span:nth-of-type(2) {
        opacity: 0;
    }
    .hamburger.is-active span:nth-of-type(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
}

body.no-scroll {
    overflow: hidden;
    height: 100%;
}

/* =========================================
    6. Problems (お悩みセクション)
========================================= */
.problems {
    padding: 60px 20px;
    background-color: var(--bg-surface);
    position: relative;
    text-align: center;
}

.problem-wrap {
    max-width: 650px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.problem-list {
    list-style: none;
    background: #fff;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
    text-align: left;
}

.problem-list::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--primary-color, #ff4d00); /* 赤みオレンジに変更 */
}

.problem-list li {
    position: relative;
    padding-left: 35px;
    margin-bottom: 25px;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.6;
    letter-spacing: 0.02em;
}

.problem-list li:last-child {
    margin-bottom: 0;
}

.problem-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    width: 22px;
    height: 22px;
    background-color: #fff2ee; /* 赤みオレンジに合う薄い背景色 */
    border-radius: 50%;
    border: 2px solid var(--primary-color, #ff4d00); /* 赤みオレンジに変更 */
}

.problem-list li::after {
    content: '';
    position: absolute;
    left: 8px;
    top: 9px;
    width: 5px;
    height: 10px;
    border-right: 2px solid var(--primary-color, #ff4d00); /* 赤みオレンジに変更 */
    border-bottom: 2px solid var(--primary-color, #ff4d00); /* 赤みオレンジに変更 */
    transform: rotate(45deg);
}

.marker {
    /* マーカーの色も赤みオレンジに（rgba値で透過） */
    background: linear-gradient(transparent 60%, rgba(255, 77, 0, 0.3) 60%);
    display: inline;
    padding: 0 2px;
}

.problem-solution {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    margin-top: -10px;
    position: relative;
    z-index: 2;
}

.triangle-down {
    width: 0;
    height: 0;
    border-left: 20px solid transparent;
    border-right: 20px solid transparent;
    border-top: 25px solid #fff;
    margin: 0 auto 20px;
    filter: drop-shadow(0 5px 10px rgba(0, 0, 0, 0.06));
}

.solution-sub {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 5px;
    letter-spacing: 0.1em;
}

.solution-main {
    font-size: clamp(20px, 5vw, 28px);
    font-weight: 900;
    color: var(--text-main);
    letter-spacing: 0.05em;
}

.solution-main span {
    color: var(--primary-color, #ff4d00); /* 赤みオレンジに変更 */
    font-size: 1.3em;
    display: inline-block;
    margin: 0 5px;
    text-shadow: 0 2px 10px rgba(255, 77, 0, 0.2); /* 影も赤みオレンジに */
}

/* =========================================
   Coming Soon動画エリア
========================================= */
.coming-soon-wrap {
    position: absolute;
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%;
    background: #111; /* ジムらしい黒 */
    display: flex;
    justify-content: center;
    align-items: center;
}

.coming-soon-text {
    color: #fff;
    font-family: 'Oswald', sans-serif;
    font-size: clamp(24px, 6vw, 48px);
    font-weight: 700;
    letter-spacing: 0.1em;
    /* 赤みオレンジのネオン風の光でカッコよく */
    text-shadow: 0 0 20px rgba(255, 77, 0, 0.6); 
}

/* =========================================
   10. Before/After (変化セクション)
========================================= */
.before-after {
    padding: 80px 20px;
    background-color: #111; /* ジムらしく黒背景でバキッと見せる */
    color: #fff;
    overflow: hidden;
}

/* 黒背景なのでタイトル文字を白に上書き */
.before-after .section-title {
    color: #fff;
}

.swipe-hint {
    text-align: center;
    font-size: 14px;
    color: #aaa;
    margin-bottom: 20px;
    animation: pulse 2s infinite; /* ふわふわ点滅してスワイプを促す */
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.ba-slider {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    padding-bottom: 20px;
    scroll-snap-type: x mandatory; /* スワイプでピタッと止まる */
    -webkit-overflow-scrolling: touch;
}

/* スクロールバーを隠す（スマホで綺麗に見せるため） */
.ba-slider::-webkit-scrollbar { display: none; }

.ba-slide {
    flex: 0 0 85%; /* スマホ時は画面の85%の幅 */
    max-width: 500px;
    scroll-snap-align: center;
    background: #222; /* ダークグレーのカード */
    border-radius: 12px;
    padding: 15px;
}

.ba-images {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.ba-box {
    flex: 1;
    position: relative;
}

.ba-label {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--primary-color, #ff4d00); /* 赤みオレンジ */
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 4px;
    z-index: 2;
    font-family: 'Oswald', sans-serif;
}

.ba-box img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 8px;
}

.ba-text {
    font-size: 14px;
    font-weight: 700;
    line-height: 1.6;
    color: #ddd;
}

/* =========================================
   11. Instructor (運営メンバー)
========================================= */
.instructor {
    padding: 80px 20px;
    background-color: #fff;
}

.instructor-grid {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.instructor-card {
    background: var(--bg-surface);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.instructor-img {
    width: 100%;
    height: 350px;
}

.instructor-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center; /* 顔が見切れないように上揃え */
}

.instructor-info {
    padding: 30px 25px;
}

.instructor-role {
    color: var(--primary-color, #ff4d00);
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 5px;
}

.instructor-name {
    font-size: 24px;
    font-weight: 900;
    margin-bottom: 15px;
    color: var(--text-main);
}

/* 実績リストのチェックマーク */
.instructor-desc {
    list-style: none;
    padding: 0;
}

.instructor-desc li {
    position: relative;
    padding-left: 22px;
    margin-bottom: 10px;
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.5;
    font-weight: 500;
}

.instructor-desc li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--primary-color, #ff4d00);
    font-weight: 900;
}

/* Before/After PC版 */
    .ba-slider {
        justify-content: center; /* PCなら中央寄せ */
    }
    .ba-slide {
        flex: 0 0 45%; /* PCなら2列くらいで並ぶサイズ感 */
    }
    .ba-box img {
        height: 350px; /* PCなら画像を少し縦長に見せる */
    }

/* =========================================
   10. Before/After (変化セクション) - SP最適化版
========================================= */
.before-after {
    padding: 80px 20px;
    background-color: #111; /* ジムらしく黒背景でバキッと見せる */
    color: #fff;
    overflow: hidden;
}

/* 黒背景なのでタイトル文字を白に上書き */
.before-after .section-title {
    color: #fff;
}

.swipe-hint {
    text-align: center;
    font-size: 12px;
    color: #aaa;
    margin-bottom: 20px;
    font-weight: 700;
    animation: pulse 2s infinite; /* ふわふわ点滅してスワイプを促す */
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.ba-slider {
    display: flex;
    gap: 20px;
    overflow-x: auto; /* 横スワイプを有効に */
    padding-bottom: 20px;
    scroll-snap-type: x mandatory; /* スワイプでピタッと止まる */
    -webkit-overflow-scrolling: touch; /* iOS Safari用なめらかスクロール */
}

/* スクロールバーを隠す（スマホで綺麗に見せるため） */
.ba-slider::-webkit-scrollbar { display: none; }

.ba-slide {
    flex: 0 0 85%; /* スマホ時は画面の85%の幅でカードを表示 */
    max-width: 450px; /* PCでの最大幅 */
    scroll-snap-align: center;
    background: #222; /* ダークグレーのカード */
    border-radius: 12px;
    padding: 15px;
}

/* ▼▼▼ スマホ最適化： Before と After を縦並びに ▼▼▼ */
.ba-images {
    display: flex;
    flex-direction: column; /* スマホでは縦並び */
    gap: 10px;
    margin-bottom: 15px;
}

.ba-box {
    position: relative;
    width: 100%;
}

.ba-label {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--primary-color, #ff4d00); /* 赤みオレンジ */
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 4px;
    z-index: 2;
    font-family: 'Oswald', sans-serif;
    letter-spacing: 0.05em;
}

.ba-box img {
    width: 100%;
    height: auto; /* 高さは自動（画像の比率を維持） */
    max-height: 250px; /* スマホで縦長になりすぎないよう最大高さを設定 */
    object-fit: cover; /* 画像の比率によっては切り抜かれるが、枠いっぱいに表示 */
    border-radius: 8px;
}

.ba-text {
    font-size: 13px;
    font-weight: 700;
    line-height: 1.6;
    color: #ddd;
    padding: 0 5px;
}

/* =========================================
   PC画面用（768px以上）のレイアウト調整
========================================= */
@media (min-width: 768px) {
    .ba-slider {
        justify-content: center; /* PCなら中央寄せ */
    }

    .ba-slide {
        flex: 0 0 45%; /* PCなら2列くらいで並ぶサイズ感 */
        padding: 20px;
    }

    /* PCでは横並びに戻す */
    .ba-images {
        flex-direction: row;
        gap: 15px;
    }
    
    .ba-box {
        flex: 1; /* 横幅を均等に */
    }

    .ba-box img {
        height: 350px; /* PCでは少し縦長に */
        max-height: none; /* 最大高さを解除 */
    }

    .ba-text {
        font-size: 14px;
        text-align: center;
    }
}