/* ===========================
   L.V.S – Elegant Dark Theme
   深い黒紫ベース × 水彩アクセント
   =========================== */

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

:root {
  /* ─── ライトベース（デフォルト） ─── */
  --color-bg:       #f7f5fc;
  --color-bg2:      #ede9f8;
  --color-bg3:      #e4dff5;
  --color-surface:  #ffffff;
  --color-border:   #d4cde8;
  --color-text:     #1e1830;
  --color-text-sub: #6b6080;
  --color-white:    #ffffff;
  --color-lilac:    #7060b8;
  --color-lilac-lt: #5040a0;
  --color-lilac-dk: #3d2d88;
  --color-blue:     #4a80c0;
  --color-pink:     #b070a0;
  --color-peach:    #c07848;
  --color-gold:     #a07820;
  --grad-main:      linear-gradient(135deg, #7060c0 0%, #a870ac 48%, #c47858 100%);
  --grad-surface:   linear-gradient(160deg, #ede9f8 0%, #e0d8f8 100%);
  --grad-soft:      linear-gradient(135deg, rgba(112,96,192,.10) 0%, rgba(168,112,172,.06) 100%);

  --font-main: 'Noto Sans JP', sans-serif;
  --font-en:   'Playfair Display', serif;
  --radius:    10px;
  --radius-lg: 18px;
  --shadow-sm:   0 2px 12px rgba(100,80,160,.12);
  --shadow-card: 0 6px 28px rgba(100,80,160,.16);
  --shadow-glow: 0 4px 20px rgba(112,96,192,.18);
  --transition:  .25s ease;
  --max-width:   1140px;
}

/* ===========================
   Dark Mode Variables（dark-modeクラス追加時）
   =========================== */
body.dark-mode {
  --color-bg:       #0f0d14;
  --color-bg2:      #161320;
  --color-bg3:      #1d1929;
  --color-surface:  #211e2e;
  --color-border:   #2e2a40;
  --color-text:     #ede8f0;
  --color-text-sub: #8a8098;
  --color-white:    #ffffff;
  --color-lilac:    #a094d4;
  --color-lilac-lt: #c4b8e8;
  --color-lilac-dk: #7060a8;
  --color-blue:     #7aace0;
  --color-pink:     #d4a0c4;
  --color-peach:    #d8aa88;
  --color-gold:     #c8a84c;
  --grad-main:    linear-gradient(135deg, #9080c8 0%, #c098bc 48%, #d4a888 100%);
  --grad-surface: linear-gradient(160deg, #1d1929 0%, #241e34 100%);
  --grad-soft:    linear-gradient(135deg, rgba(160,148,212,.14) 0%, rgba(212,160,196,.08) 100%);
  --shadow-sm:   0 2px 12px rgba(0,0,0,.35);
  --shadow-card: 0 6px 28px rgba(0,0,0,.45);
  --shadow-glow: 0 4px 20px rgba(160,148,212,.2);
}

/* ===========================
   Light Mode Variables
   =========================== */
body.light-mode {
  --color-bg:       #f7f5fc;
  --color-bg2:      #ede9f8;
  --color-bg3:      #e4dff5;
  --color-surface:  #ffffff;
  --color-border:   #d4cde8;
  --color-text:     #1e1830;
  --color-text-sub: #6b6080;
  --color-white:    #ffffff;
  --color-lilac:    #7060b8;
  --color-lilac-lt: #5040a0;
  --color-lilac-dk: #3d2d88;
  --color-blue:     #4a80c0;
  --color-pink:     #b070a0;
  --color-peach:    #c07848;
  --color-gold:     #a07820;
  --grad-main:      linear-gradient(135deg, #7060c0 0%, #a870ac 48%, #c47858 100%);
  --grad-surface:   linear-gradient(160deg, #ede9f8 0%, #e0d8f8 100%);
  --grad-soft:      linear-gradient(135deg, rgba(112,96,192,.10) 0%, rgba(168,112,172,.06) 100%);
  --shadow-sm:      0 2px 12px rgba(100,80,160,.12);
  --shadow-card:    0 6px 28px rgba(100,80,160,.16);
  --shadow-glow:    0 4px 20px rgba(112,96,192,.18);
}

/* ─── モード切替ボタン ─── */
.theme-toggle-btn {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 50%; cursor: pointer;
  color: var(--color-text-sub);
  font-size: 16px;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
  flex-shrink: 0;
}
.theme-toggle-btn:hover {
  border-color: var(--color-lilac);
  color: var(--color-lilac);
  opacity: 1;
}

/* ─── ライトモード時のヒーロー背景オーバーレイ強化 ─── */
body.light-mode .hero-bg::before {
  background: linear-gradient(
    110deg,
    rgba(10,8,18,.82) 0%,
    rgba(15,12,24,.70) 45%,
    rgba(22,17,38,.55) 100%
  );
}
/* ライトモード時のヘッダー */
body.light-mode #site-header {
  background: rgba(247,245,252,.92);
  border-bottom-color: var(--color-border);
}
body.light-mode #site-header.scrolled {
  box-shadow: 0 2px 24px rgba(100,80,160,.15);
}
body.light-mode .mobile-menu {
  background: var(--color-bg2);
}
/* ライトモード時のカード */
body.light-mode .feature-card,
body.light-mode .course-card,
body.light-mode .instructor-card,
body.light-mode .testimonial-card,
body.light-mode .column-card,
body.light-mode .sidebar-widget {
  box-shadow: var(--shadow-sm);
}

/* ─── ダークモード：文字を明るく ─── */
body.dark-mode {
  --color-text:     #f0ecf5;   /* さらに明るい白紫 */
  --color-text-sub: #a89cb8;   /* サブテキストも明るく */
}

/* ─── ダークモード時のヘッダー ─── */
body.dark-mode #site-header {
  background: rgba(15,13,20,.88);
  border-bottom-color: var(--color-border);
}
body.dark-mode #site-header.scrolled {
  box-shadow: 0 2px 24px rgba(0,0,0,.5);
  border-bottom-color: rgba(160,148,212,.2);
}
body.dark-mode .mobile-menu {
  background: var(--color-bg2);
}
body.dark-mode .online-banner {
  background: linear-gradient(90deg, rgba(160,148,212,.18) 0%, rgba(160,148,212,.08) 100%);
  border-bottom-color: rgba(160,148,212,.25);
  color: var(--color-lilac-lt);
}

html { scroll-behavior: smooth; }
body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-main);
  font-size: 15px; line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  transition: background .3s, color .3s;
}
a { color: inherit; text-decoration: none; transition: opacity var(--transition); }
a:hover { opacity: .75; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ===========================
   Buttons
   =========================== */
.btn-primary {
  display: inline-block;
  background: var(--grad-main);
  color: #fff; font-weight: 700; font-size: 15px;
  padding: 14px 32px; border-radius: 50px; border: none; cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  letter-spacing: .04em;
  box-shadow: 0 4px 18px rgba(144,128,200,.45);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(144,128,200,.55);
  opacity: 1;
}
.btn-primary.btn-large { font-size: 17px; padding: 18px 48px; }

.btn-outline {
  display: inline-block;
  border: 2px solid rgba(160,148,212,.55);
  color: var(--color-lilac-lt);
  font-weight: 600; padding: 12px 28px;
  border-radius: 50px; cursor: pointer; background: transparent;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}
.btn-outline:hover {
  background: rgba(160,148,212,.15);
  border-color: var(--color-lilac-lt);
  color: #fff; opacity: 1;
}

/* ===========================
   Header
   =========================== */
#site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(15,13,20,.88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}
#site-header.scrolled {
  box-shadow: 0 2px 24px rgba(0,0,0,.5);
  border-bottom-color: rgba(160,148,212,.2);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 70px;
}

/* ─── ロゴ：L だけ紫、.V.S は白 ─── */
.logo {
  font-family: var(--font-en);
  font-size: 26px; font-weight: 700;
  color: var(--color-white);
  letter-spacing: .06em;
}
.logo .logo-l  { color: var(--color-lilac); }   /* L だけ紫 */
.logo .logo-vs { color: var(--color-white); }    /* .V.S はデフォルト白 */
/* ライトモード時は .V.S を濃いテキストカラーに */
body.light-mode .logo .logo-vs { color: var(--color-text); }

#main-nav ul { display: flex; align-items: center; gap: 32px; }
#main-nav a {
  font-size: 14px; font-weight: 500; color: var(--color-text-sub);
  transition: color var(--transition);
}
#main-nav a:hover, #main-nav a.active { color: var(--color-text); opacity: 1; }
.btn-nav {
  background: var(--grad-main) !important;
  color: #fff !important;
  padding: 9px 20px; border-radius: 50px;
  font-weight: 700 !important; font-size: 13px !important;
  box-shadow: 0 3px 12px rgba(144,128,200,.4);
}
.btn-nav:hover { opacity: .85 !important; }

.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 6px;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--color-text); border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none; position: fixed;
  top: 70px; left: 0; right: 0;
  background: var(--color-bg2);
  border-bottom: 1px solid var(--color-border);
  z-index: 99; padding: 24px;
  box-shadow: var(--shadow-card);
}
.mobile-menu.open { display: block; }
.mobile-menu li { border-bottom: 1px solid var(--color-border); }
.mobile-menu a { display: block; padding: 14px 0; font-size: 15px; color: var(--color-text); }

/* ===========================
   Online Banner
   =========================== */
.online-banner {
  background: linear-gradient(90deg, rgba(112,80,200,.22) 0%, rgba(160,80,180,.15) 100%);
  border-bottom: 1px solid rgba(160,100,220,.35);
  padding: 11px 24px;
  text-align: center;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-lilac-lt);
  display: flex; align-items: center; justify-content: center; gap: 10px;
  position: relative; z-index: 99;
  margin-top: 70px; /* ヘッダー分 */
  letter-spacing: .01em;
}
.online-banner strong {
  color: #fff;
  font-weight: 800;
  background: var(--grad-main);
  padding: 1px 10px;
  border-radius: 50px;
  font-size: 13px;
  margin: 0 2px;
}
.online-banner i { font-size: 14px; opacity: .9; }
body.light-mode .online-banner {
  background: linear-gradient(90deg, rgba(100,70,200,.12) 0%, rgba(150,70,180,.08) 100%);
  border-bottom-color: rgba(120,80,200,.25);
  color: var(--color-lilac);
}
body.light-mode .online-banner strong {
  color: #fff;
}

/* ===========================
   Section Common
   =========================== */
section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-label {
  font-size: 12px; font-weight: 700; letter-spacing: .22em;
  color: var(--color-lilac); text-transform: uppercase; margin-bottom: 12px;
}
.section-title {
  font-size: clamp(26px, 4vw, 40px); font-weight: 900;
  line-height: 1.3; color: var(--color-text);
}
.section-desc { margin-top: 16px; color: var(--color-text-sub); font-size: 15px; }
.section-footer { text-align: center; margin-top: 48px; }

/* ===========================
   Hero Section
   =========================== */
#hero-section {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  padding: 0; overflow: hidden;
  margin-top: 0; /* online-bannerがある場合は不要 */
}
/* 写真レイヤー */
.hero-bg {
  position: absolute; inset: 0;
  background:
    url('https://images.unsplash.com/photo-1508700115892-45ecd05ae2ad?w=1600&q=80')
    center / cover no-repeat;
}
/* ダークオーバーレイ（ライト・ダーク共通で常にヒーロー文字を見やすく） */
.hero-bg::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(
    110deg,
    rgba(10,8,18,.88) 0%,
    rgba(15,12,24,.78) 45%,
    rgba(22,17,38,.65) 100%
  );
}
/* ロゴを右奥に透過・巨大表示 */
.hero-bg::after {
  content: ''; position: absolute;
  right: -6%; top: 50%; transform: translateY(-50%);
  width: 62vw; height: 62vw;
  max-width: 780px; max-height: 780px;
  background: url('images/logo.png') center / contain no-repeat;
  opacity: .1;
  filter: blur(1px) saturate(1.6) brightness(1.2);
  pointer-events: none;
}
.hero-content {
  position: relative; z-index: 1;
  max-width: 700px;
  padding-top: 120px; padding-bottom: 80px;
}
.hero-sub {
  font-size: 12px; letter-spacing: .3em;
  color: var(--color-lilac); font-weight: 600;
  margin-bottom: 20px; text-transform: uppercase;
}
.hero-title {
  font-size: clamp(40px, 7vw, 76px); font-weight: 900;
  line-height: 1.2; color: var(--color-white); margin-bottom: 24px;
}
.hero-desc {
  font-size: 16px; color: rgba(237,232,240,.65);
  margin-bottom: 40px; line-height: 1.9;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-scroll {
  position: absolute; bottom: 36px; left: 50%;
  transform: translateX(-50%); z-index: 1;
}
.hero-scroll span {
  display: block; width: 24px; height: 40px;
  border: 2px solid rgba(160,148,212,.35); border-radius: 12px; position: relative;
}
.hero-scroll span::after {
  content: ''; position: absolute; top: 6px; left: 50%;
  transform: translateX(-50%);
  width: 4px; height: 8px;
  background: var(--color-lilac); border-radius: 2px;
  animation: scrollDot 1.8s infinite;
}
@keyframes scrollDot {
  0%   { top: 6px; opacity: 1; }
  100% { top: 22px; opacity: 0; }
}

/* ===========================
   Features Section
   =========================== */
.section-features { background: var(--color-bg2); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px;
}
.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(160,148,212,.35);
  box-shadow: var(--shadow-glow);
}
.feature-icon {
  width: 56px; height: 56px;
  background: var(--grad-soft);
  border: 1px solid rgba(160,148,212,.22); border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; font-size: 22px; color: var(--color-lilac);
}
.feature-card h3 { font-size: 17px; font-weight: 700; color: var(--color-text); margin-bottom: 10px; }
.feature-card p { color: var(--color-text-sub); font-size: 14px; }

/* ===========================
   Courses Section
   =========================== */
.section-courses { background: var(--color-bg3); }
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px;
}
.courses-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 900px) {
  .courses-grid-3 { grid-template-columns: 1fr; }
}
.course-note {
  margin-top: 28px; text-align: center;
  font-size: 13px; color: var(--color-text-sub);
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.course-note i { color: var(--color-lilac); }
.course-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: 32px 28px; position: relative;
  display: flex; flex-direction: column; gap: 16px;
  transition: transform var(--transition), border-color var(--transition);
}
.course-card:hover { transform: translateY(-4px); border-color: rgba(160,148,212,.4); }
.course-card.course-featured {
  border-color: var(--color-lilac);
  background: linear-gradient(160deg, rgba(160,148,212,.08) 0%, var(--color-surface) 100%);
}
.course-badge {
  position: absolute; top: -13px; left: 24px;
  background: var(--grad-main); color: #fff;
  font-size: 12px; font-weight: 700;
  padding: 4px 14px; border-radius: 50px;
  box-shadow: 0 3px 10px rgba(144,128,200,.45);
}
.course-name { font-size: 20px; font-weight: 700; color: var(--color-text); margin-top: 8px; }
.course-target { font-size: 13px; color: var(--color-text-sub); }
.price-num { font-size: 32px; font-weight: 900; color: var(--color-lilac-lt); }
.price-unit { font-size: 13px; color: var(--color-text-sub); }
.course-features { flex: 1; }
.course-features li {
  font-size: 14px; color: var(--color-text-sub);
  padding: 6px 0; border-bottom: 1px solid var(--color-border);
  display: flex; align-items: center; gap: 8px;
}
.course-features li:last-child { border-bottom: none; }
.course-features i { color: var(--color-lilac); font-size: 12px; }

/* ===========================
   Instructors Section
   =========================== */
.section-instructors { background: var(--color-bg2); }
.instructors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 32px;
}
.instructor-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  overflow: hidden; display: flex;
  transition: transform var(--transition), border-color var(--transition);
}
.instructor-card:hover { transform: translateY(-4px); border-color: rgba(160,148,212,.4); }
.instructor-photo { width: 140px; min-width: 140px; overflow: hidden; }
.instructor-photo img { width: 100%; height: 100%; object-fit: cover; }
.instructor-info { padding: 24px 20px; flex: 1; }
.instructor-name { font-size: 20px; font-weight: 700; color: var(--color-text); margin-bottom: 4px; }
.instructor-role { font-size: 13px; color: var(--color-lilac); margin-bottom: 12px; font-weight: 500; }
.instructor-bio { font-size: 13px; color: var(--color-text-sub); line-height: 1.7; margin-bottom: 16px; }
.instructor-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.instructor-tags span {
  font-size: 11px;
  background: rgba(160,148,212,.12); border: 1px solid rgba(160,148,212,.25);
  color: var(--color-lilac); padding: 3px 10px; border-radius: 50px;
}
.instructors-single { max-width: 720px; margin: 0 auto; }
.instructor-card-large { flex-direction: row; }
.instructor-card-large .instructor-photo { width: 200px; min-width: 200px; height: auto; }
.instructor-card-large .instructor-info { padding: 32px 28px; }
.instructor-card-large .instructor-name { font-size: 26px; }
.instructor-card-large .instructor-bio { font-size: 14px; line-height: 1.8; }

/* ===========================
   Testimonials Section
   =========================== */
.section-testimonials { background: var(--color-bg); }
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px;
}
.testimonial-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: 28px;
}
.testimonial-stars { color: var(--color-peach); margin-bottom: 14px; font-size: 14px; }
.testimonial-text {
  font-size: 14px; color: var(--color-text-sub);
  line-height: 1.8; margin-bottom: 20px; font-style: italic;
}
.testimonial-author strong { display: block; font-size: 14px; color: var(--color-text); font-weight: 600; }
.testimonial-author span { font-size: 12px; color: var(--color-text-sub); }

/* ===========================
   Column Cards（共通）
   =========================== */
.columns-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px;
}
.column-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); overflow: hidden; cursor: pointer;
  transition: transform var(--transition), border-color var(--transition);
  display: flex; flex-direction: column;
}
.column-card:hover { transform: translateY(-4px); border-color: rgba(160,148,212,.4); }
.column-card-thumb { width: 100%; height: auto; aspect-ratio: 1280 / 670; object-fit: contain; background: var(--color-bg3); }
.column-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; gap: 10px; }
.column-card-meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.column-card-category {
  font-size: 11px; font-weight: 700;
  background: rgba(160,148,212,.12); border: 1px solid rgba(160,148,212,.25);
  color: var(--color-lilac); padding: 3px 10px; border-radius: 50px; letter-spacing: .06em;
}
.column-card-badge-free {
  font-size: 11px; font-weight: 700;
  background: rgba(62,207,110,.1); border: 1px solid rgba(62,207,110,.28);
  color: #5be3a0; padding: 3px 10px; border-radius: 50px;
}
.column-card-badge-premium {
  font-size: 11px; font-weight: 700;
  background: rgba(200,168,76,.1); border: 1px solid rgba(200,168,76,.28);
  color: var(--color-gold); padding: 3px 10px; border-radius: 50px;
  display: flex; align-items: center; gap: 4px;
}
.column-card-title { font-size: 15px; font-weight: 700; color: var(--color-text); line-height: 1.5; }
.column-card-summary { font-size: 13px; color: var(--color-text-sub); line-height: 1.7; flex: 1; }
.column-card-footer {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 12px; border-top: 1px solid var(--color-border);
  font-size: 12px; color: var(--color-text-sub); margin-top: auto;
}
.column-card-price { font-size: 14px; font-weight: 700; color: var(--color-lilac); }
.columns-loading { grid-column: 1/-1; text-align: center; padding: 60px 0; color: var(--color-text-sub); }

/* ─── タグ ─── */
.column-tags {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: 2px; margin-bottom: 4px;
}
.column-tag {
  font-size: 11px; font-weight: 600;
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-sub);
  padding: 2px 9px; border-radius: 50px;
  cursor: default; font-family: var(--font-main);
  transition: border-color var(--transition), color var(--transition), background var(--transition);
  white-space: nowrap;
}
button.column-tag {
  cursor: pointer;
}
button.column-tag:hover {
  border-color: var(--color-lilac);
  color: var(--color-lilac);
  background: rgba(160,148,212,.08);
}

/* タグフィルターバー */
.tag-filter {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 28px;
}
.tag-filter-btn {
  background: var(--color-surface); border: 1px solid var(--color-border);
  color: var(--color-text-sub); font-family: var(--font-main);
  font-size: 12px; font-weight: 600; padding: 6px 14px;
  border-radius: 50px; cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}
.tag-filter-btn:hover, .tag-filter-btn.active {
  background: rgba(160,148,212,.12); border-color: var(--color-lilac); color: var(--color-lilac);
}

/* 詳細ページのタグ */
.article-header .column-tags {
  margin-top: 12px;
}
.article-header .column-tag {
  font-size: 12px; padding: 3px 11px;
}

/* ===========================
   Column Preview（Home）
   =========================== */
.section-columns { background: var(--color-bg3); }

/* ===========================
   CTA / お問い合わせ
   =========================== */
.section-cta { background: var(--color-bg2); }
.section-normal-lesson-cta { background: var(--color-bg2); padding: 72px 0; }
.normal-lesson-cta-inner { max-width: 780px; margin: 0 auto; text-align: center; padding: 34px 30px; border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-surface); }
.normal-lesson-cta-inner .section-title { margin-bottom: 12px; }
.normal-lesson-cta-inner .section-desc { margin: 0 auto 24px; line-height: 1.9; }
@media (max-width:700px) { .section-normal-lesson-cta { padding: 56px 0; } .normal-lesson-cta-inner { padding: 28px 20px; } }
.cta-inner { max-width: 780px; margin: 0 auto; text-align: center; }
.cta-title { font-size: clamp(26px, 4vw, 40px); font-weight: 900; color: var(--color-text); margin-bottom: 16px; }
.cta-desc { color: var(--color-text-sub); font-size: 15px; margin-bottom: 48px; line-height: 1.9; }

.cta-inner-booking-choice { max-width: 920px; }
.cta-choice-desc { margin-bottom: 30px; }
.cta-choice-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:18px; text-align:left; }
.cta-choice-card { display:flex; flex-direction:column; gap:14px; min-width:0; padding:24px; border:1px solid var(--color-border); border-radius:var(--radius-lg); background:var(--color-surface); }
.cta-choice-card .cta-choice-icon { width:44px; height:44px; display:flex; align-items:center; justify-content:center; border-radius:50%; font-size:18px; }
.cta-choice-free .cta-choice-icon { color:#5be3a0; background:rgba(91,227,160,.1); }
.cta-choice-lesson .cta-choice-icon { color:var(--color-lilac); background:rgba(160,148,212,.12); }
.cta-choice-copy { flex:1; }
.cta-choice-kicker { margin-bottom:5px; color:var(--color-text-sub); font-size:11px; font-weight:700; }
.cta-choice-copy h3 { margin-bottom:8px; color:var(--color-text); font-size:19px; font-weight:800; }
.cta-choice-copy > p:last-child { color:var(--color-text-sub); font-size:12px; line-height:1.8; }
.cta-choice-card .btn-primary,.cta-choice-card .btn-outline { width:100%; justify-content:center; text-align:center; }
.cta-lesson-btn { border-color:rgba(160,148,212,.5); color:var(--color-lilac-lt); }
@media (max-width:700px) { .cta-choice-grid { grid-template-columns:1fr; } .cta-choice-card { padding:20px; } }
.contact-form { text-align: left; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { margin-bottom: 24px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--color-text); }
.required { color: var(--color-pink); font-size: 12px; }
.form-group input, .form-group select, .form-group textarea {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius); color: var(--color-text);
  font-family: var(--font-main); font-size: 14px; padding: 12px 14px; outline: none;
  transition: border-color var(--transition), box-shadow var(--transition); width: 100%;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--color-lilac);
  box-shadow: 0 0 0 3px rgba(160,148,212,.15);
}
.form-group select option { background: var(--color-surface); }
.form-group textarea { resize: vertical; }
.contact-form .btn-primary { width: 100%; margin-top: 8px; }
.form-success {
  padding: 32px; background: rgba(91,227,160,.07);
  border: 1px solid rgba(91,227,160,.22); border-radius: var(--radius-lg); text-align: center;
}
.form-success i { font-size: 40px; color: #5be3a0; margin-bottom: 16px; }
.form-success p { font-size: 15px; line-height: 1.8; color: var(--color-text); }

/* ===========================
   Footer
   =========================== */
#site-footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: 64px 0 0;
}
.footer-inner { display: flex; justify-content: space-between; gap: 48px; flex-wrap: wrap; }
.footer-brand { max-width: 280px; }
.footer-brand .logo { font-size: 22px; margin-bottom: 16px; display: block; }
.footer-brand p { font-size: 13px; color: var(--color-text-sub); line-height: 1.8; margin-bottom: 20px; }
.social-links { display: flex; gap: 12px; }
.social-links a {
  width: 36px; height: 36px; background: var(--color-surface);
  border: 1px solid var(--color-border); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-sub); font-size: 14px;
  transition: border-color var(--transition), color var(--transition);
}
.social-links a:hover { border-color: var(--color-lilac); color: var(--color-lilac); opacity: 1; }
.footer-nav { display: flex; gap: 48px; flex-wrap: wrap; }
.footer-nav-col h4 {
  font-size: 13px; font-weight: 700; color: var(--color-text);
  letter-spacing: .1em; margin-bottom: 20px;
}
.footer-nav-col li { margin-bottom: 10px; }
.footer-nav-col a { font-size: 13px; color: var(--color-text-sub); }
.footer-nav-col a:hover { color: var(--color-text); opacity: 1; }
.footer-bottom {
  margin-top: 48px; padding: 20px 0;
  border-top: 1px solid var(--color-border);
  text-align: center; font-size: 12px; color: var(--color-text-sub);
}

/* ===========================
   Page Hero（サブページ）
   =========================== */
.page-hero {
  background: var(--color-bg3);
  padding: 140px 0 80px; text-align: center;
  border-bottom: 1px solid var(--color-border);
  position: relative; overflow: hidden;
}
.page-hero::after {
  content: ''; position: absolute; right: -5%; top: 50%; transform: translateY(-50%);
  width: 48vw; height: 48vw; max-width: 580px; max-height: 580px;
  background: url('images/logo.png') center/contain no-repeat;
  opacity: .07; pointer-events: none;
}
.page-hero-title {
  font-size: clamp(28px, 5vw, 48px); font-weight: 900;
  color: var(--color-text); margin-bottom: 16px;
}
.page-hero-desc { font-size: 15px; color: var(--color-text-sub); line-height: 1.8; }

/* ===========================
   Columns List Page
   =========================== */
.columns-main { padding: 64px 0 100px; }
.category-filter { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
.filter-btn {
  background: var(--color-surface); border: 1px solid var(--color-border);
  color: var(--color-text-sub); font-family: var(--font-main);
  font-size: 13px; font-weight: 600; padding: 8px 18px; border-radius: 50px; cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  background: rgba(160,148,212,.12); border-color: var(--color-lilac); color: var(--color-lilac);
}
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 56px; }
.page-btn {
  width: 40px; height: 40px; background: var(--color-surface);
  border: 1px solid var(--color-border); color: var(--color-text-sub);
  font-family: var(--font-main); font-size: 14px; border-radius: 8px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}
.page-btn:hover, .page-btn.active {
  background: var(--grad-main); border-color: transparent; color: #fff; font-weight: 700;
}

/* CTA Mini */
.section-cta-mini {
  background: var(--color-bg2); border-top: 1px solid var(--color-border); padding: 80px 0;
}
.cta-mini-inner { text-align: center; }
.cta-mini-inner h2 {
  font-size: clamp(22px, 4vw, 34px); font-weight: 900;
  color: var(--color-text); margin-bottom: 28px; line-height: 1.4;
}

/* ===========================
   Column Detail Page
   =========================== */
.article-main { padding: 60px 0 100px; }
.article-layout { display: grid; grid-template-columns: 1fr 320px; gap: 48px; align-items: start; }
.article-body { min-width: 0; }
.article-breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--color-text-sub); margin-bottom: 28px;
}
.article-breadcrumb a { color: var(--color-lilac); }
.article-meta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.article-title {
  font-size: clamp(27px, 3vw, 30px); font-weight: 900;
  color: var(--color-text); line-height: 1.4; margin-bottom: 20px;
}
.article-author-row {
  display: flex; align-items: center; gap: 12px;
  font-size: 13px; color: var(--color-text-sub);
  padding: 16px 0; border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border); margin-bottom: 32px;
}
.article-thumbnail { width: 100%; height: auto; max-height: none; aspect-ratio: 1280 / 670; object-fit: contain; border-radius: var(--radius-lg); margin-bottom: 40px; }
.article-content { font-size: 17px; line-height: 1.9; color: var(--color-text); }
.article-content h2 {
  font-size: 26px; font-weight: 700; color: var(--color-text);
  margin: 42px 0 18px;
  scroll-margin-top: 110px;
}
.article-content h3 {
  font-size: 22px; font-weight: 700; color: var(--color-text);
  margin: 32px 0 14px;
  scroll-margin-top: 110px;
}
.article-content h4 {
  font-size: 19px; font-weight: 700; color: var(--color-text);
  margin: 28px 0 12px;
  scroll-margin-top: 110px;
}
.article-content p { margin-bottom: 20px; }
.article-content figure.lvs-audio {
  margin: 28px 0;
  padding: 16px 18px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-bg2);
}
.article-content figure.lvs-audio audio { display: block; width: 100%; }
.article-content figure.lvs-audio figcaption { margin-top: 9px; font-size: 13px; color: var(--color-text-sub); }
.article-content strong, .article-content b { font-weight: 700; color: var(--color-text); }
.article-content em, .article-content i { font-style: italic; }
.article-content u { text-underline-offset: 3px; }
.article-content a:not(.btn-option):not(.btn-primary):not(.btn-outline) {
  color: var(--color-lilac-lt); text-decoration: underline; text-underline-offset: 3px;
}
.article-content ul, .article-content ol { padding-left: 26px; margin: 0 0 20px; }
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-bottom: 8px; }
.article-content li::marker { color: var(--color-text-sub); }
.article-content hr { border: 0; border-top: 1px solid var(--color-border); margin: 32px 0; }
.article-content code {
  padding: 2px 6px; border-radius: 5px; background: var(--color-bg3);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: .92em;
}
.article-content pre {
  overflow-x: auto; margin: 24px 0; padding: 16px 18px;
  background: var(--color-bg3); border: 1px solid var(--color-border); border-radius: var(--radius-md);
}
.article-content pre code { padding: 0; background: transparent; }
.article-content table { width: 100%; border-collapse: collapse; margin: 26px 0; font-size: 14px; }
.article-content th, .article-content td { border: 1px solid var(--color-border); padding: 10px 12px; vertical-align: top; }
.article-content th { background: var(--color-bg3); font-weight: 700; }

/* microCMS リッチエディタ：引用。CMS側のblockquoteを意味ごと維持する。 */
.article-content blockquote,
.article-content blockquote.lvs-quote-block {
  display: block !important;
  width: 100% !important;
  box-sizing: border-box !important;
  margin: 26px 0 !important;
  padding: 8px 0 8px 20px !important;
  border: 0 !important;
  border-left: 3px solid var(--color-lilac) !important;
  border-radius: 0 !important;
  background: transparent !important;
  color: var(--color-text) !important;
}
.article-content blockquote > * { display: block; width: auto; }
.article-content blockquote p { margin: 0 0 10px; }
.article-content blockquote p:last-child { margin-bottom: 0; }

/* microCMS カスタムclass：Notion風コールアウト（アイコンなし）。
   同じ色のclassが連続した段落はJSで1つのボックスにまとめる。 */
.article-content .lvs-callout-block {
  display: block !important;
  width: 100%; box-sizing: border-box;
  margin: 28px 0;
  padding: 20px 22px;
  border: 1px solid rgba(160,148,212,.26);
  border-radius: var(--radius-lg);
  background: rgba(160,148,212,.10);
}
.article-content .lvs-callout-block .lvs-callout-item {
  display: block !important; width: 100% !important; box-sizing: border-box;
  margin: 0 0 12px !important; padding: 0 !important;
  border: 0 !important; background: transparent !important;
}
.article-content .lvs-callout-block .lvs-callout-item:last-child { margin-bottom: 0 !important; }
.article-content .lvs-callout-block .lvs-callout-item:first-child { font-weight: 700; }
.article-content .lvs-callout,
.article-content .lvs-callout-lilac,
.article-content .lvs-callout-red,
.article-content .lvs-callout-blue,
.article-content .lvs-callout-green,
.article-content .lvs-callout-yellow,
.article-content .lvs-callout-beige,
.article-content .lvs-callout-gray,
.article-content .lvs-callout-cyan,
.article-content .callout { background: transparent !important; border: 0 !important; padding: 0 !important; }

/* コールアウト背景色プリセット：microCMS側でclassを選択する。 */
.article-content .lvs-callout-lilac-block {
  background: rgba(160,148,212,.10);
  border-color: rgba(160,148,212,.28);
}
.article-content .lvs-callout-red-block { background: rgba(200,110,110,.12); border-color: rgba(200,110,110,.25); }
.article-content .lvs-callout-blue-block {
  background: rgba(122,167,203,.13);
  border-color: rgba(122,167,203,.28);
}
.article-content .lvs-callout-green-block { background: rgba(115,175,135,.12); border-color: rgba(115,175,135,.26); }
.article-content .lvs-callout-yellow-block { background: rgba(210,190,105,.14); border-color: rgba(210,190,105,.28); }
.article-content .lvs-callout-beige-block {
  background: rgba(196,178,126,.14);
  border-color: rgba(196,178,126,.28);
}
.article-content .lvs-callout-gray-block {
  background: rgba(170,170,180,.10);
  border-color: rgba(170,170,180,.22);
}
.article-content .lvs-callout-cyan-block { background: rgba(103,184,190,.12); border-color: rgba(103,184,190,.25); }

/* microCMS カスタムclass：Tab相当の段落インデント */
.article-content .lvs-indent-1-block { margin-left: 2em; max-width: calc(100% - 2em); }
.article-content .lvs-indent-2-block { margin-left: 4em; max-width: calc(100% - 4em); }

/* H2/H3から自動生成するリンク付き目次 */
.article-toc {
  margin: 10px 0 38px;
  padding: 22px 24px;
  background: rgba(196,178,126,.12);
  border: 1px solid rgba(196,178,126,.22);
  border-radius: var(--radius-lg);
}
.article-toc-title {
  font-size: 17px; font-weight: 800; color: var(--color-text);
  margin-bottom: 14px;
}
.article-toc-list { list-style: none; padding: 0; margin: 0; }
.article-toc-item { margin: 0; border-bottom: 1px solid var(--color-border); }
.article-toc-item:last-child { border-bottom: 0; }
.article-toc-item a {
  display: block; padding: 8px 2px;
  color: var(--color-text); font-size: 14px; line-height: 1.65;
  text-decoration: none;
}
.article-toc-item a:hover { color: var(--color-lilac-lt); opacity: 1; }
.article-toc-item.is-sub a { padding-left: 22px; font-size: 13px; color: var(--color-text-sub); }
.lvs-toc-target { scroll-margin-top: 110px; }

/* 購入URLが未設定のときは誤ったページへ遷移させない */
.btn-option.is-disabled {
  opacity: .5; cursor: not-allowed; pointer-events: none;
  filter: grayscale(.25);
}

@media (max-width: 640px) {
  .article-title { font-size: 27px; line-height: 1.45; }
  .article-content { font-size: 16px; }
  .article-content h2 { font-size: 23px; }
  .article-content h3 { font-size: 20px; }
  .article-content h4 { font-size: 18px; }
  .article-content .lvs-callout-block { padding: 17px 16px; }
  .article-content .lvs-indent-1-block { margin-left: 1.25em; max-width: calc(100% - 1.25em); }
  .article-content .lvs-indent-2-block { margin-left: 2.5em; max-width: calc(100% - 2.5em); }
  .article-toc { padding: 18px 16px; }
  .article-toc-item.is-sub a { padding-left: 16px; }
}

/* コラム本文内の画像だけ、元の縦横比を維持して表示する。
   一覧カードや関連記事のサムネイルには影響させない。 */
.article-content figure {
  margin: 28px 0 32px;
}
.article-content figure img,
.article-content > img {
  display: block;
  width: 100% !important;
  max-width: 100% !important;
  height: auto !important;
  max-height: none !important;
  aspect-ratio: auto !important;
  object-fit: contain !important;
  margin: 0 auto;
  border-radius: var(--radius-lg);
}
.article-content figcaption {
  margin-top: 10px;
  text-align: center;
  font-size: 12px;
  line-height: 1.6;
  color: var(--color-text-sub);
}

.premium-blur-wrap { position: relative; }
.premium-blur-content { filter: blur(8px); user-select: none; pointer-events: none; max-height: 240px; overflow: hidden; }
.premium-overlay {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(to bottom, transparent 0%, rgba(15,13,20,.96) 60%);
}
.premium-overlay-inner { text-align: center; padding: 24px; }
.premium-overlay-inner i { font-size: 36px; color: var(--color-lilac); margin-bottom: 12px; }
.premium-overlay-inner h3 { font-size: 20px; font-weight: 700; color: var(--color-text); margin-bottom: 8px; }
.premium-overlay-inner p { font-size: 14px; color: var(--color-text-sub); margin-bottom: 20px; }
.article-loading { text-align: center; padding: 80px 0; color: var(--color-text-sub); font-size: 16px; }

.article-sidebar { position: sticky; top: 90px; }
.sidebar-widget {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: 24px; margin-bottom: 24px;
}
.widget-title {
  font-size: 15px; font-weight: 700; color: var(--color-text);
  margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--color-border);
}
.sidebar-widget p { font-size: 13px; color: var(--color-text-sub); line-height: 1.8; }
.sidebar-category-list li { border-bottom: 1px solid var(--color-border); }
.sidebar-category-list a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 0; font-size: 14px; color: var(--color-text-sub); transition: color var(--transition);
}
.sidebar-category-list a:hover { color: var(--color-lilac); opacity: 1; }
.related-column-item {
  display: flex; gap: 12px; padding: 12px 0;
  border-bottom: 1px solid var(--color-border); cursor: pointer;
}
.related-column-item:last-child { border-bottom: none; }
.related-column-thumb { width: 64px; height: auto; aspect-ratio: 1280 / 670; align-self: flex-start; border-radius: 6px; object-fit: contain; flex-shrink: 0; background: var(--color-bg3); }
.related-column-info { flex: 1; min-width: 0; }
.related-column-title {
  font-size: 13px; font-weight: 600; color: var(--color-text); line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.related-column-category { font-size: 11px; color: var(--color-lilac); margin-top: 4px; }

/* ===========================
   Blog Preview（Home）
   =========================== */
.section-blog-preview { background: var(--color-bg2); }
.blog-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.blog-preview-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  display: flex; flex-direction: column;
}
.blog-preview-card:hover {
  transform: translateY(-4px);
  border-color: rgba(160,148,212,.4);
  box-shadow: var(--shadow-glow);
}
.blog-preview-thumb {
  width: 100%; height: auto; aspect-ratio: 1280 / 670; object-fit: contain;
  background: var(--color-bg3);
}
.blog-preview-body {
  padding: 18px 20px; flex: 1; display: flex; flex-direction: column; gap: 8px;
}
.blog-preview-cat {
  font-size: 11px; font-weight: 700; letter-spacing: .06em;
  background: rgba(160,148,212,.12); border: 1px solid rgba(160,148,212,.25);
  color: var(--color-lilac); padding: 3px 10px; border-radius: 50px;
  display: inline-block;
}
.blog-preview-title {
  font-size: 15px; font-weight: 700; color: var(--color-text);
  line-height: 1.5;
}
.blog-preview-summary {
  font-size: 13px; color: var(--color-text-sub); line-height: 1.7; flex: 1;
}
.blog-preview-footer {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 10px; border-top: 1px solid var(--color-border);
  font-size: 12px; color: var(--color-text-sub); margin-top: auto;
}

/* ===========================
   FAQ Preview（Home）
   =========================== */
.section-faq-preview { background: var(--color-bg3); }
.faq-preview-list {
  max-width: 780px; margin: 0 auto;
  display: flex; flex-direction: column; gap: 12px;
}
.faq-preview-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-preview-item[open] {
  border-color: rgba(160,148,212,.45);
}
.faq-preview-q {
  display: flex; align-items: center; gap: 12px;
  padding: 20px 24px;
  font-size: 15px; font-weight: 700; color: var(--color-text);
  cursor: pointer; list-style: none;
  transition: color var(--transition);
}
.faq-preview-q::-webkit-details-marker { display: none; }
.faq-preview-q::after {
  content: '\f107'; font-family: 'Font Awesome 6 Free'; font-weight: 900;
  margin-left: auto; color: var(--color-lilac);
  transition: transform var(--transition);
}
.faq-preview-item[open] .faq-preview-q::after {
  transform: rotate(180deg);
}
.faq-preview-q i {
  color: var(--color-lilac); font-size: 16px; flex-shrink: 0;
}
.faq-preview-a {
  padding: 0 24px 20px 52px;
  font-size: 14px; color: var(--color-text-sub); line-height: 1.85;
}

/* ===========================
   Responsive
   =========================== */
@media (max-width: 900px) {
  #main-nav { display: none; }
  .hamburger { display: flex; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .instructor-card-large { flex-direction: column; }
  .instructor-card-large .instructor-photo { width: 100%; height: 260px; }
  .hero-bg::after { width: 85vw; height: 85vw; opacity: .07; right: -15%; }
}
@media (max-width: 640px) {
  section { padding: 72px 0; }
  .form-row { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; }
  .btn-primary, .btn-outline { text-align: center; }
  .footer-inner { flex-direction: column; gap: 32px; }
  .footer-brand { max-width: 100%; }
  .footer-nav { gap: 32px; }
}


/* 管理画面の文字サイズプリセット。見出しタグではないため目次には入らない。 */
.article-content .lvs-text-small { font-size: 15px; }
.article-content .lvs-text-large { font-size: 21px; line-height: 1.7; }
.article-content .lvs-text-xlarge { font-size: 25px; line-height: 1.6; font-weight: 650; }
.article-content .lvs-indent-dynamic-block {
  margin-left: var(--lvs-indent-margin, 0) !important;
  max-width: calc(100% - var(--lvs-indent-margin, 0px)) !important;
}
.article-content blockquote.lvs-quote-block.lvs-indent-dynamic-block {
  margin-left: var(--lvs-indent-margin, 0) !important;
  width: calc(100% - var(--lvs-indent-margin, 0px)) !important;
  max-width: calc(100% - var(--lvs-indent-margin, 0px)) !important;
}
@media (max-width: 768px) {
  .article-content .lvs-text-small { font-size: 14px; }
  .article-content .lvs-text-large { font-size: 19px; }
  .article-content .lvs-text-xlarge { font-size: 22px; }
  .article-content .lvs-indent-dynamic-block {
    margin-left: var(--lvs-indent-margin-mobile, 0) !important;
    max-width: calc(100% - var(--lvs-indent-margin-mobile, 0px)) !important;
  }
  .article-content blockquote.lvs-quote-block.lvs-indent-dynamic-block {
    margin-left: var(--lvs-indent-margin-mobile, 0) !important;
    width: calc(100% - var(--lvs-indent-margin-mobile, 0px)) !important;
    max-width: calc(100% - var(--lvs-indent-margin-mobile, 0px)) !important;
  }
}


/* =========================================================
   2026-08-29 PCトップ確定デザイン（修正版）
   ========================================================= */
.hero-pc { display: none; }

@media (min-width: 901px) {
  #hero-section {
    position: relative;
    height: clamp(600px, 56.25vw, 900px);
    min-height: 0;
    display: block;
    overflow: hidden;
    padding: 0;
    background: #08070b;
  }

  #hero-section .hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('../assets/hero-studio-pc.png');
    background-position: center center;
    background-size: cover;
    background-repeat: no-repeat;
  }

  #hero-section .hero-bg::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
      90deg,
      rgba(5,4,9,.08) 0%,
      rgba(5,4,9,.02) 55%,
      rgba(5,4,9,.02) 100%
    );
  }

  #hero-section .hero-bg::after { display: none; }
  #hero-section .hero-mobile { display: none !important; }

  #hero-section .hero-pc {
    display: block;
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
  }

  #hero-section .hero-brand-art {
    position: absolute;
    left: 3.2%;
    top: 4.5%;
    width: clamp(210px, 18vw, 300px);
    height: auto;
    pointer-events: none;
  }

  #hero-section .hero-pc-content {
    position: absolute;
    left: 52%;
    top: 52%;
    transform: translate(-50%, -50%);
    width: min(980px, 72vw);
    text-align: left;
  }

  #hero-section .hero-sub-pc {
    margin: 0 0 14px 110px;
    color: #b7a7e8;
    font-size: clamp(11px, .88vw, 14px);
    font-weight: 600;
    letter-spacing: .30em;
    line-height: 1.5;
    text-transform: uppercase;
    white-space: nowrap;
  }

  #hero-section .hero-title-pc {
    margin: 0 0 18px;
    color: #fff;
    font-size: clamp(52px, 5.1vw, 82px);
    font-weight: 900;
    line-height: 1.08;
    letter-spacing: -.025em;
    text-shadow: 0 3px 18px rgba(0,0,0,.38);
  }

  #hero-section .hero-desc-pc {
    margin: 0 0 20px;
    color: rgba(248,245,250,.88);
    font-size: clamp(14px, 1.05vw, 18px);
    line-height: 1.7;
    text-shadow: 0 2px 10px rgba(0,0,0,.5);
  }

  #hero-section .hero-platforms {
    width: min(900px, 100%);
    min-height: 64px;
    margin: 0 0 28px;
    padding: 12px 26px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    color: #c9bcef;
    background: linear-gradient(
      180deg,
      rgba(18,15,29,.90),
      rgba(8,7,16,.86)
    );
    border: 1px solid rgba(180,162,231,.30);
    border-radius: 999px;
    box-shadow:
      inset 0 1px 0 rgba(255,255,255,.04),
      0 7px 24px rgba(0,0,0,.30);
  }

  #hero-section .hero-platform-item {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    white-space: nowrap;
    font-size: clamp(13px, 1.05vw, 17px);
  }

  #hero-section .hero-platform-item .fa-discord,
  #hero-section .hero-platform-item .fa-map-marker-alt {
    color: #a995ee;
    font-size: clamp(21px, 1.7vw, 28px);
  }

  #hero-section .hero-platform-item img {
    width: clamp(25px, 1.8vw, 31px);
    height: clamp(25px, 1.8vw, 31px);
  }

  #hero-section .hero-platform-dot {
    color: #b8a8e8;
    flex: 0 0 auto;
  }

  #hero-section .hero-btns-pc {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-left: 72px;
    flex-wrap: nowrap;
  }

  #hero-section .hero-main-cta,
  #hero-section .hero-course-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 64px;
    border-radius: 999px;
    font-size: clamp(14px, 1.05vw, 17px);
    font-weight: 700;
  }

  #hero-section .hero-main-cta {
    min-width: 370px;
    padding: 0 38px;
    background: linear-gradient(
      112deg,
      #9584d4 0%,
      #c5a2c4 50%,
      #daa987 100%
    );
    box-shadow: 0 7px 25px rgba(150,126,209,.36);
  }

  #hero-section .hero-course-cta {
    min-width: 240px;
    padding: 0 34px;
    color: #cbbbef;
    border: 2px solid rgba(177,157,231,.68);
    background: rgba(6,5,12,.32);
  }
}

/* 横幅が狭いPCでも崩れないよう縮小 */
@media (min-width: 901px) and (max-width: 1100px) {
  #hero-section .hero-brand-art {
    width: 180px;
    left: 2.5%;
    top: 3.5%;
  }

  #hero-section .hero-pc-content {
    left: 52%;
    width: 78vw;
  }

  #hero-section .hero-sub-pc {
    margin-left: 58px;
    font-size: 10px;
  }

  #hero-section .hero-title-pc {
    font-size: clamp(46px, 5.7vw, 62px);
  }

  #hero-section .hero-desc-pc {
    font-size: 14px;
  }

  #hero-section .hero-platforms {
    min-height: 56px;
    padding: 10px 20px;
    gap: 9px;
  }

  #hero-section .hero-platform-item {
    font-size: 12px;
    gap: 6px;
  }

  #hero-section .hero-platform-item .fa-discord,
  #hero-section .hero-platform-item .fa-map-marker-alt {
    font-size: 20px;
  }

  #hero-section .hero-platform-item img {
    width: 22px;
    height: 22px;
  }

  #hero-section .hero-btns-pc {
    margin-left: 42px;
    gap: 16px;
  }

  #hero-section .hero-main-cta {
    min-width: 300px;
  }

  #hero-section .hero-course-cta {
    min-width: 190px;
  }
}

@media (max-width: 900px) {
  #hero-section .hero-pc { display: none !important; }
  #hero-section .hero-mobile { display: block; }
}



/* =========================================================
   2026-08-29 PCトップ最終反映
   採用画像をそのままトップヒーローとして使用
   ========================================================= */
@media (min-width: 901px) {
  #hero-section {
    position: relative;
    display: block;
    width: 100%;
    aspect-ratio: 1672 / 941;
    height: auto;
    min-height: 0;
    padding: 0 !important;
    overflow: hidden;
    background: #070609;
  }

  #hero-section .hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('../assets/hero-pc-final-visual.png') !important;
    background-size: 100% 100% !important;
    background-position: center center !important;
    background-repeat: no-repeat !important;
  }

  #hero-section .hero-bg::before,
  #hero-section .hero-bg::after,
  #hero-section .hero-pc,
  #hero-section .hero-mobile {
    display: none !important;
    content: none !important;
  }

  #hero-section .hero-image-links {
    position: absolute;
    inset: 0;
    z-index: 3;
    pointer-events: none;
  }

  #hero-section .hero-hotspot {
    position: absolute;
    display: block;
    pointer-events: auto;
    background: transparent;
    border-radius: 999px;
  }

  /* ボタン位置を採用画像に合わせて設定 */
  #hero-section .hero-hotspot-main {
    left: 26.6%;
    top: 88.9%;
    width: 30.8%;
    height: 10.4%;
  }

  #hero-section .hero-hotspot-course {
    left: 59.1%;
    top: 88.9%;
    width: 18.2%;
    height: 10.4%;
  }
}

@media (max-width: 900px) {
  #hero-section .hero-image-links {
    display: none !important;
  }
}

/* =========================================================
   2026-08-29 スマホトップ確定デザイン反映
   承認済みスマホ画像をそのまま使用。PC版には影響させない。
   ========================================================= */
@media (max-width: 900px) {
  /* 既存の上部案内は承認画像内の構成と重なるためスマホだけ非表示 */
  .online-banner {
    display: none !important;
  }

  /* ヘッダーは画像上に透明で重ね、画像内のハンバーガー位置をクリック領域として利用 */
  body.lvs-home #site-header,
  body.lvs-home.light-mode #site-header,
  body.lvs-home.dark-mode #site-header {
    background: transparent !important;
    border-bottom: 0 !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    pointer-events: none;
  }

  body.lvs-home #site-header .header-inner {
    height: 70px;
    max-width: none;
    padding: 0 20px;
    justify-content: flex-end;
  }

  /* ロゴ・テーマボタンは承認画像に描かれているため最初は重ねない */
  body.lvs-home #site-header .logo,
  body.lvs-home #site-header .theme-toggle-btn {
    display: none !important;
  }

  /* 実ボタンは透明にし、承認画像内の三本線をそのまま見せる */
  body.lvs-home #site-header .hamburger {
    display: flex !important;
    width: 52px;
    height: 52px;
    padding: 0;
    align-items: center;
    justify-content: center;
    pointer-events: auto;
  }

  body.lvs-home #site-header .hamburger span {
    opacity: 0 !important;
  }

  /* メニューを開いた後は閉じる操作が分かるよう実線を表示 */
  body.lvs-home #site-header .hamburger.open span {
    opacity: 1 !important;
    background: #d9cff7 !important;
  }
  body.lvs-home #site-header .hamburger.open span:nth-child(2) {
    opacity: 0 !important;
  }

  /* スクロール後は通常のナビゲーションとして見えるよう復帰 */
  body.lvs-home #site-header.scrolled,
  body.lvs-home.light-mode #site-header.scrolled,
  body.lvs-home.dark-mode #site-header.scrolled {
    background: rgba(15,13,20,.92) !important;
    border-bottom: 1px solid rgba(160,148,212,.18) !important;
    backdrop-filter: blur(14px) !important;
    -webkit-backdrop-filter: blur(14px) !important;
    pointer-events: auto;
  }

  body.lvs-home #site-header.scrolled .logo {
    display: block !important;
    margin-right: auto;
  }

  body.lvs-home #site-header.scrolled .hamburger span {
    opacity: 1 !important;
    background: var(--color-text) !important;
  }
  body.lvs-home #site-header.scrolled .hamburger span:nth-child(2) {
    opacity: 1 !important;
  }
  body.lvs-home #site-header.scrolled .hamburger.open span:nth-child(2) {
    opacity: 0 !important;
  }

  .mobile-menu {
    top: 70px;
  }

  /* 承認済みスマホ画像そのものをトップとして表示 */
  #hero-section {
    position: relative;
    display: block;
    width: 100%;
    height: 100svh;
    min-height: 720px;
    max-height: none;
    padding: 0 !important;
    margin: 0 !important;
    overflow: hidden;
    background: #060507;
  }

  #hero-section .hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('../assets/hero-mobile-final.jpeg') !important;
    background-size: 100% 100% !important;
    background-position: center center !important;
    background-repeat: no-repeat !important;
  }

  #hero-section .hero-bg::before,
  #hero-section .hero-bg::after,
  #hero-section .hero-pc,
  #hero-section .hero-mobile {
    display: none !important;
    content: none !important;
  }

  /* 画像内ボタンを実際に押せるよう透明リンクを重ねる */
  #hero-section .hero-image-links {
    position: absolute;
    inset: 0;
    display: block !important;
    z-index: 3;
    pointer-events: none;
  }

  #hero-section .hero-hotspot {
    position: absolute;
    display: block;
    pointer-events: auto;
    background: transparent;
    border-radius: 999px;
  }

  #hero-section .hero-hotspot-main {
    left: 9.2%;
    top: 77.6%;
    width: 81.6%;
    height: 8.8%;
  }

  #hero-section .hero-hotspot-course {
    left: 9.2%;
    top: 88.0%;
    width: 81.6%;
    height: 8.4%;
  }
}

/* =========================================================
   2026-08-31 トップ余白・スクロールマーク復旧
   完成ビジュアルを維持しながら下側の窮屈さを解消する。
   ========================================================= */
.hero-scroll {
  z-index: 5;
  width: 24px;
  height: 40px;
  bottom: 18px; /* 12pxから6pxだけ上へ */
}

.hero-scroll span {
  border-color: rgba(201, 188, 239, .72);
  background: rgba(7, 6, 9, .34);
  box-shadow: 0 0 16px rgba(160, 148, 212, .22);
}

@media (min-width: 901px) {
  #hero-section .hero-bg {
    background-image: url('../assets/hero-pc-final-visual.png') !important;
    bottom: 76px;
    background-size: 100% 100% !important;
  }

  #hero-section .hero-image-links {
    bottom: 76px;
  }

  #hero-section .hero-hotspot-main {
    left: 26.6%;
    top: 88.9%;
    width: 30.8%;
    height: 10.4%;
  }

  #hero-section .hero-hotspot-course {
    left: 59.1%;
    top: 88.9%;
    width: 18.2%;
    height: 10.4%;
  }
}

@media (max-width: 900px) {
  #hero-section .hero-bg {
    bottom: 64px;
    background-size: 100% 100% !important;
  }

  #hero-section .hero-image-links {
    bottom: 64px;
  }
}

/* ============================================================
   Real Reviews — 2026-09-13 safe integration
   ============================================================ */
.reviews-carousel { position: relative; max-width: 1040px; margin: 0 auto; padding: 0 46px; }
.reviews-track {
  display: flex; gap: 18px; overflow-x: auto; scroll-snap-type: x mandatory;
  scrollbar-width: thin; scrollbar-color: var(--color-border) transparent;
  padding: 8px 2px 16px; overscroll-behavior-x: contain;
}
.reviews-track .review-card {
  flex: 0 0 min(500px, calc(100vw - 150px)); scroll-snap-align: start;
  min-height: 260px; display: flex; flex-direction: column;
}
.review-card .review-body { flex: 1; }
.review-card .review-body p { margin: 0 0 12px; }
.review-card .review-body p:last-child { margin-bottom: 0; }
.review-card .review-author { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--color-border); }
.reviews-nav {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 2;
  width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--color-border);
  background: var(--color-surface); color: var(--color-text); cursor: pointer;
  box-shadow: var(--shadow-sm); transition: var(--transition);
}
.reviews-nav:hover { transform: translateY(-50%) scale(1.05); border-color: var(--color-lilac); color: var(--color-lilac); }
.reviews-nav-prev { left: 0; }
.reviews-nav-next { right: 0; }
.reviews-footer { margin-top: 26px; }
.reviews-empty { width: 100%; text-align: center; color: var(--color-text-sub); padding: 36px 0; }

.reviews-page-main { padding: 130px 0 100px; background: var(--color-bg); min-height: 70vh; }
.reviews-page-intro { max-width: 760px; margin: 0 auto 32px; text-align: center; }
.reviews-filter-bar { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 34px; }
.reviews-filter-bar .filter-btn.active { background: rgba(160,148,212,.12); color: var(--color-lilac); border-color: var(--color-lilac); }
.all-reviews-list { max-width: 840px; margin: 0 auto; display: grid; gap: 18px; }
.all-reviews-list .review-card { min-height: 0; }

@media (max-width: 640px) {
  .reviews-carousel { padding: 0 8px; }
  .reviews-track { gap: 12px; padding-bottom: 14px; }
  .reviews-track .review-card { flex-basis: calc(100vw - 64px); min-height: 0; }
  .reviews-nav { display: none; }
  .reviews-page-main { padding-top: 106px; }
}

/* ============================================================
   2026-09-13 Service label hotfix
   The approved hero artwork contains the legacy label "Discord使用".
   Keep the artwork and replace only that visible label with "Discord対応".
   ============================================================ */
@media (min-width: 901px) {
  #hero-section .hero-image-links::before {
    content: "";
    position: absolute;
    left: 25.7%;
    top: 78.9%;
    width: 9.2%;
    height: 4.6%;
    z-index: 4;
    pointer-events: none;
    background: rgba(9, 8, 14, .98);
    border-radius: 6px;
  }

  #hero-section .hero-image-links::after {
    content: "Discord対応";
    position: absolute;
    left: 26.15%;
    top: 79.35%;
    z-index: 5;
    pointer-events: none;
    color: #c9bcef;
    font-size: clamp(15px, 1.35vw, 22px);
    font-weight: 400;
    line-height: 1.35;
    white-space: nowrap;
    letter-spacing: .01em;
  }
}

@media (max-width: 900px) {
  #hero-section .hero-image-links::before {
    content: "";
    position: absolute;
    left: 10.8%;
    top: 66.8%;
    width: 18.6%;
    height: 4.5%;
    z-index: 4;
    pointer-events: none;
    background: rgba(8, 7, 13, .98);
    border-radius: 5px;
  }

  #hero-section .hero-image-links::after {
    content: "Discord対応";
    position: absolute;
    left: 12.0%;
    top: 67.35%;
    z-index: 5;
    pointer-events: none;
    color: #c9bcef;
    font-size: clamp(14px, 4.7vw, 22px);
    font-weight: 400;
    line-height: 1.3;
    white-space: nowrap;
    letter-spacing: 0;
  }
}

/* ============================================================
   v0.01 2026-09-13 19:43 — Mobile UI restore
   PC版にある基本UI（ロゴ / テーマ切替 / メニュー）をスマホにも戻す。
   画像に焼き込まれた旧サービス表記は実HTMLの均等パネルで覆う。
   ============================================================ */
@media (max-width: 900px) {
  /* トップでもヘッダーを通常UIとして表示。透明化・非表示の旧上書きを解除する。 */
  body.lvs-home #site-header,
  body.lvs-home.light-mode #site-header,
  body.lvs-home.dark-mode #site-header {
    pointer-events: auto !important;
    border-bottom: 1px solid var(--color-border) !important;
    box-shadow: 0 2px 18px rgba(0,0,0,.18) !important;
    backdrop-filter: blur(16px) !important;
    -webkit-backdrop-filter: blur(16px) !important;
  }

  body.lvs-home.light-mode #site-header {
    background: rgba(247,245,252,.94) !important;
    border-bottom-color: rgba(112,96,184,.18) !important;
  }

  body.lvs-home.dark-mode #site-header {
    background: rgba(15,13,20,.94) !important;
    border-bottom-color: rgba(160,148,212,.20) !important;
  }

  body.lvs-home #site-header .header-inner {
    height: 70px;
    padding: 0 18px;
    justify-content: flex-start;
    gap: 10px;
  }

  body.lvs-home #site-header .logo {
    display: inline-flex !important;
    align-items: center;
    margin-right: auto;
    font-size: 26px;
    text-shadow: none;
  }

  body.lvs-home #site-header .theme-toggle-btn {
    display: flex !important;
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
  }

  body.lvs-home #site-header .hamburger {
    display: flex !important;
    width: 40px;
    height: 40px;
    padding: 8px;
    pointer-events: auto;
  }

  body.lvs-home #site-header .hamburger span,
  body.lvs-home #site-header.scrolled .hamburger span {
    opacity: 1 !important;
    background: var(--color-text) !important;
  }

  body.lvs-home #site-header .hamburger.open span:nth-child(2),
  body.lvs-home #site-header.scrolled .hamburger.open span:nth-child(2) {
    opacity: 0 !important;
  }

  /* ヘッダーが常時見えるため、スクロール時もテーマ色を維持する。 */
  body.lvs-home.light-mode #site-header.scrolled {
    background: rgba(247,245,252,.97) !important;
    border-bottom-color: rgba(112,96,184,.22) !important;
  }
  body.lvs-home.dark-mode #site-header.scrolled {
    background: rgba(15,13,20,.97) !important;
    border-bottom-color: rgba(160,148,212,.24) !important;
  }

  /* 旧hotfixの巨大な「Discord対応」文字は無効化。 */
  #hero-section .hero-image-links::before,
  #hero-section .hero-image-links::after {
    display: none !important;
    content: none !important;
  }

  /* 画像に焼き込まれたサービス欄を全面的に覆い、3項目を同じ尺度で表示。 */
  #hero-section .hero-mobile-platforms {
    position: absolute;
    z-index: 6;
    left: 6.8%;
    top: 64.7%;
    width: 86.4%;
    min-height: 11.8%;
    display: grid;
    grid-template-columns: 1fr 1fr 1.08fr;
    align-items: stretch;
    color: #d4c9f2;
    background: linear-gradient(180deg, rgba(16,13,25,.98), rgba(7,6,13,.97));
    border: 1px solid rgba(183,166,231,.28);
    border-radius: 22px;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.035), 0 8px 22px rgba(0,0,0,.30);
    overflow: hidden;
    pointer-events: none;
  }

  #hero-section .hero-mobile-platform-item {
    position: relative;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 8px 4px;
    text-align: center;
    font-size: clamp(10px, 3.25vw, 13px);
    font-weight: 500;
    line-height: 1.35;
    letter-spacing: 0;
    white-space: nowrap;
  }

  #hero-section .hero-mobile-platform-item + .hero-mobile-platform-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 18%;
    bottom: 18%;
    width: 1px;
    background: rgba(183,166,231,.22);
  }

  #hero-section .hero-mobile-platform-item i {
    color: #a995ee;
    font-size: clamp(21px, 6.2vw, 28px);
    line-height: 1;
  }

  #hero-section .hero-mobile-platform-item img {
    width: clamp(22px, 6vw, 28px);
    height: clamp(22px, 6vw, 28px);
    object-fit: contain;
  }

  #hero-section .hero-mobile-platform-item:last-child {
    white-space: normal;
  }
}

@media (min-width: 901px) {
  #hero-section .hero-mobile-platforms { display: none !important; }
}


/* ============================================================
   v0.02 2026-09-14 06:29 — Mobile hero alignment fix
   Scope: mobile only. PC >= 901px is intentionally untouched.
   - Keep the fixed header, but start hero artwork below it so the
     embedded L.V.S brand mark remains fully visible.
   - Match hero height to the approved 864x1536 mobile artwork.
   - Replace the baked-in service strip at its exact artwork area,
     preventing duplicate Discord / Meet labels.
   ============================================================ */
@media (max-width: 900px) {
  body.lvs-home #hero-section {
    /* Header is fixed and 70px tall. Keep it out of the artwork. */
    margin-top: 70px !important;
    height: 177.7778vw; /* 1536 / 864: preserve approved artwork aspect ratio */
    min-height: 0 !important;
    max-height: none !important;
    overflow: hidden;
  }

  body.lvs-home #hero-section .hero-bg {
    /* Fill only the hero itself; no hidden 64px crop/offset. */
    inset: 0 !important;
    bottom: 0 !important;
    width: 100%;
    height: 100%;
    background-size: 100% 100% !important;
    background-position: center top !important;
  }

  body.lvs-home #hero-section .hero-image-links {
    inset: 0 !important;
    bottom: 0 !important;
  }

  /* Align the real service panel to the baked-in service panel area. */
  body.lvs-home #hero-section .hero-mobile-platforms {
    left: 6.55%;
    top: 61.05%;
    width: 86.90%;
    min-height: 13.25%;
    height: 13.25%;
    border-radius: clamp(18px, 5.2vw, 24px);
  }

  body.lvs-home #hero-section .hero-mobile-platform-item {
    gap: 6px;
    padding: 8px 5px;
    font-size: clamp(11px, 3.45vw, 14px);
    line-height: 1.3;
  }

  body.lvs-home #hero-section .hero-mobile-platform-item i {
    font-size: clamp(22px, 6.5vw, 29px);
  }

  body.lvs-home #hero-section .hero-mobile-platform-item img {
    width: clamp(23px, 6.3vw, 29px);
    height: clamp(23px, 6.3vw, 29px);
  }

  /* Keep the scroll marker inside the artwork without cropping content. */
  body.lvs-home #hero-section .hero-scroll {
    bottom: 10px;
  }
}

/* ============================================================
   v0.03 2026-09-14 17:39 — Mobile scroll marker spacing fix
   Scope: mobile only. PC >= 901px is intentionally untouched.
   - Keep the approved mobile hero artwork and all overlay positions unchanged.
   - Add a small dark extension below the hero so the scroll marker no longer
     overlaps the "コースを見る" button.
   - No SCROLL text, underline, or additional decorative line is added.
   ============================================================ */
@media (max-width: 900px) {
  body.lvs-home #hero-section {
    /* Preserve the artwork's exact geometry; reserve a separate area below it. */
    overflow: visible !important;
    margin-bottom: 72px !important;
  }

  body.lvs-home #hero-section::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -72px;
    height: 72px;
    background: #060507;
    pointer-events: none;
    z-index: 0;
  }

  body.lvs-home #hero-section .hero-scroll {
    bottom: -56px !important;
    text-decoration: none !important;
  }
}

/* v0.22 visual prototype: courses and partner only */
#courses, #partner-logigoe { --studio-accent:#6742aa; --studio-soft:#eee5fb; --studio-ink:#241637; --studio-muted:#62536e; --studio-card:#fffdfd; --studio-line:#ddcfe9; --studio-shadow:0 16px 40px rgba(68,35,94,.08); }
body.dark-mode #courses, body.dark-mode #partner-logigoe { --studio-accent:#d3b7ff; --studio-soft:#352640; --studio-ink:#f7efff; --studio-muted:#c9bdd3; --studio-card:#241b30; --studio-line:#514060; --studio-shadow:0 16px 40px rgba(0,0,0,.2); }
#courses { background:linear-gradient(135deg,var(--color-bg2),var(--color-bg)); }
#courses .section-label, .partner-eyebrow { color:var(--studio-accent); font:700 12px/1.5 var(--font-main); letter-spacing:.19em; }
#courses .section-title { color:var(--studio-ink); }
#courses .section-desc { color:var(--studio-muted); }
#courses .course-card { border:1px solid var(--studio-line); border-radius:24px; background:var(--studio-card); box-shadow:var(--studio-shadow); padding:34px 26px 26px; gap:18px; overflow:visible; }
#courses .course-card::before { content:""; width:44px; height:5px; border-radius:8px; background:linear-gradient(90deg,#8058b8,#cd96b9); }
#courses .course-card.course-featured { border:2px solid var(--studio-accent); background:linear-gradient(150deg,var(--studio-soft),var(--studio-card) 55%); }
#courses .course-badge { background:#6840a1; color:#fff; box-shadow:none; font-size:12px; }
#courses .course-name { color:var(--studio-ink); font-size:22px; margin-top:0; }
#courses .course-target, #courses .price-unit, #courses .course-note { color:var(--studio-muted); }
#courses .price-num { font-size:38px; letter-spacing:-.035em; color:var(--studio-accent); }
#courses .course-price { padding-bottom:16px; border-bottom:1px solid var(--studio-line); }
#courses .course-features li { color:var(--studio-ink); border:0; padding:8px 0; align-items:flex-start; line-height:1.8; }
#courses .course-features i { display:none; }
#courses .course-features li::before, .partner-features li::before { content:"✓"; display:inline-grid; place-items:center; flex:0 0 21px; height:21px; margin-top:2px; border-radius:50%; background:var(--studio-soft); color:var(--studio-accent); font-size:12px; font-weight:800; }
#courses a:focus-visible, #partner-logigoe a:focus-visible { outline:3px solid var(--studio-accent); outline-offset:5px; }
#partner-logigoe { background:var(--color-bg); padding:76px 0; }
.partner-card { display:grid; grid-template-columns:minmax(0,.85fr) minmax(0,1.3fr); gap:42px; padding:34px; background:var(--studio-card); border:1px solid var(--studio-line); border-radius:28px; box-shadow:var(--studio-shadow); align-items:center; }
.partner-art { overflow:hidden; background:#000; border-radius:20px; position:relative; }
.partner-art::after { content:""; position:absolute; inset:0; border:1px solid rgba(255,255,255,.12); border-radius:20px; pointer-events:none; }
.partner-art img { display:block; width:100%; height:auto; aspect-ratio:1; object-fit:contain; }
.partner-copy h2 { margin:9px 0 12px; font-size:clamp(23px,2.2vw,30px); line-height:1.5; color:var(--studio-ink); }
.partner-intro { color:var(--studio-muted); font-size:15px; line-height:1.9; }
.partner-features { display:grid; gap:12px; list-style:none; padding:22px 0; }
.partner-features li { display:flex; align-items:flex-start; gap:10px; color:var(--studio-ink); font-size:14px; line-height:1.85; }
.partner-guidance { border-top:1px solid var(--studio-line); padding-top:19px; color:var(--studio-muted); font-size:14px; line-height:1.85; }
.partner-actions { display:flex; align-items:flex-start; flex-direction:column; gap:16px; margin-top:18px; }
.partner-actions .btn-primary { display:flex; gap:15px; }
.partner-link { color:var(--studio-accent); font-size:13px; font-weight:700; text-decoration:underline; text-underline-offset:5px; padding:5px 0; }
@media(max-width:900px){ #courses .courses-grid-3 { grid-template-columns:1fr; max-width:560px; margin:auto; } .partner-card { grid-template-columns:1fr; gap:26px; max-width:560px; margin:auto; } .partner-art { max-width:280px; width:100%; margin:auto; } }
@media(max-width:480px){ #courses { padding:56px 0; } #courses .container, #partner-logigoe .container { padding:0 18px; } #courses .course-card { padding:28px 22px 22px; } #courses .section-header { margin-bottom:35px; } #partner-logigoe { padding:48px 0; } .partner-card { padding:22px; border-radius:23px; } .partner-copy h2 { font-size:22px; } .partner-break { display:none; } .partner-actions, .partner-actions .btn-primary { width:100%; } }
/* Prototype button refinement: preserve brand hue and CTA wording. */
body.dark-mode #courses .btn-primary,
body.dark-mode #partner-logigoe .btn-primary {
  background:linear-gradient(135deg,#7b67bd 0%,#9d6097 48%,#a3673b 100%);
}
@media(max-width:480px){
  #partner-logigoe .partner-actions .btn-primary {
    padding:14px 16px;
    font-size:14px;
    letter-spacing:0;
    gap:8px;
    white-space:nowrap;
  }
}