/* ============================================
   miniature sweets campus — メインスタイル
   ============================================ */

:root {
  --pink-light:  #FFF0F4;
  --pink-mid:    #FAD4E0;
  --pink-main:   #E8A0B4;
  --pink-dark:   #C47B8E;
  --brown:       #4A3728;
  --brown-light: #7A5C4A;
  --cream:       #FFFAF7;
  --white:       #FFFFFF;
  --shadow:      0 4px 20px rgba(196, 123, 142, 0.15);
  --radius:      16px;
  --radius-sm:   8px;
}

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

body {
  font-family: 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', sans-serif;
  background: var(--pink-light);
  color: var(--brown);
  min-height: 100vh;
}

/* ── ログインページ ─────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #FFF0F4 0%, #FAD4E0 50%, #FFF0F4 100%);
  padding: 20px;
}

.login-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
  text-align: center;
}

.login-logo {
  font-size: 48px;
  margin-bottom: 16px;
}

.login-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--brown);
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.login-subtitle {
  font-size: 13px;
  color: var(--brown-light);
  margin-bottom: 36px;
}

.login-label {
  display: block;
  font-size: 12px;
  color: var(--pink-dark);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-align: left;
  margin-bottom: 8px;
}

.login-input {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--pink-mid);
  border-radius: var(--radius-sm);
  font-size: 16px;
  color: var(--brown);
  background: var(--cream);
  outline: none;
  transition: border-color 0.2s;
  margin-bottom: 20px;
}

.login-input:focus {
  border-color: var(--pink-main);
}

.login-btn {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--pink-main), var(--pink-dark));
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.1em;
  transition: opacity 0.2s, transform 0.1s;
}

.login-btn:hover  { opacity: 0.9; }
.login-btn:active { transform: scale(0.98); }

.login-error {
  color: #D9534F;
  font-size: 13px;
  margin-top: 12px;
  display: none;
}

.login-deco {
  margin-top: 32px;
  font-size: 11px;
  color: var(--pink-main);
  letter-spacing: 0.15em;
}

/* ── ヘッダー ────────────────────────────────── */
.site-header {
  background: var(--white);
  border-bottom: 2px solid var(--pink-mid);
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(196, 123, 142, 0.1);
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.header-logo-icon { font-size: 24px; }

.header-logo-text {
  font-size: 16px;
  font-weight: 700;
  color: var(--brown);
  letter-spacing: 0.04em;
}

.header-logout {
  font-size: 13px;
  color: var(--pink-dark);
  cursor: pointer;
  background: none;
  border: 1px solid var(--pink-mid);
  padding: 6px 14px;
  border-radius: 20px;
  transition: background 0.2s;
}

.header-logout:hover { background: var(--pink-light); }

/* ── コース一覧ページ ────────────────────────── */
.page-wrapper {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.page-welcome {
  margin-bottom: 40px;
}

.page-welcome h1 {
  font-size: 26px;
  font-weight: 700;
  color: var(--brown);
  margin-bottom: 8px;
}

.page-welcome p {
  font-size: 15px;
  color: var(--brown-light);
  line-height: 1.7;
}

/* カテゴリーセクション */
.category-section {
  margin-bottom: 48px;
}

.category-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--pink-dark);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 16px;
  background: var(--pink-mid);
  border-radius: 20px;
  display: inline-block;
  margin-bottom: 20px;
}

.lessons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

/* レッスンカード */
.lesson-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s, box-shadow 0.2s;
  display: block;
}

.lesson-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(196, 123, 142, 0.25);
}

.lesson-thumb {
  background: linear-gradient(135deg, var(--pink-mid), var(--pink-main));
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  position: relative;
}

.lesson-number {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(255,255,255,0.9);
  color: var(--pink-dark);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
}

.lesson-level {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(255,255,255,0.85);
  color: var(--brown);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 20px;
  letter-spacing: 1px;
}

/* 視聴済みバッジ */
.lesson-card.watched .lesson-thumb {
  filter: brightness(0.88);
}

.watched-badge {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: #5BBF8A;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  display: none;
  gap: 4px;
  align-items: center;
}

.lesson-card.watched .watched-badge { display: flex; }

/* 進捗バー */
.progress-bar-wrap {
  background: var(--pink-mid);
  border-radius: 20px;
  height: 10px;
  margin: 16px 0 4px;
  overflow: hidden;
}

.progress-bar-fill {
  background: linear-gradient(90deg, var(--pink-main), var(--pink-dark));
  height: 100%;
  border-radius: 20px;
  transition: width 0.4s ease;
}

.progress-label {
  font-size: 13px;
  color: var(--brown-light);
  margin-bottom: 32px;
}

/* 視聴済みボタン（レッスンページ） */
.watch-btn {
  width: 100%;
  padding: 16px;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  border: 2px solid var(--pink-mid);
  background: var(--white);
  color: var(--brown);
  margin-bottom: 24px;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.watch-btn.done {
  background: #5BBF8A;
  border-color: #5BBF8A;
  color: #fff;
}

.watch-btn:hover { opacity: 0.85; }

.lesson-body {
  padding: 16px 18px 20px;
}

.lesson-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--brown);
  margin-bottom: 6px;
  line-height: 1.4;
}

.lesson-desc {
  font-size: 12px;
  color: var(--brown-light);
  line-height: 1.6;
  margin-bottom: 12px;
}

.lesson-meta {
  font-size: 11px;
  color: var(--pink-dark);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ── レッスン再生ページ ──────────────────────── */
.lesson-page {
  max-width: 900px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--pink-dark);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 28px;
  transition: gap 0.2s;
}

.back-link:hover { gap: 10px; }

.lesson-page-category {
  font-size: 12px;
  color: var(--pink-dark);
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.lesson-page-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--brown);
  margin-bottom: 24px;
  line-height: 1.4;
}

/* Vimeo 埋め込み（16:9） */
.video-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  background: var(--brown);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 28px;
  box-shadow: var(--shadow);
}

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

.video-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--pink-mid);
  font-size: 14px;
  gap: 12px;
}

.video-placeholder span { font-size: 48px; }

.lesson-page-desc {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px 28px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--brown);
  margin-bottom: 32px;
  box-shadow: var(--shadow);
}

.lesson-nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.nav-btn {
  flex: 1;
  padding: 14px 20px;
  border: 2px solid var(--pink-mid);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--brown);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  transition: background 0.2s, border-color 0.2s;
}

.nav-btn:hover    { background: var(--pink-light); border-color: var(--pink-main); }
.nav-btn.primary  { background: linear-gradient(135deg, var(--pink-main), var(--pink-dark)); color: var(--white); border: none; }
.nav-btn.primary:hover { opacity: 0.9; }
.nav-btn.disabled { opacity: 0.35; pointer-events: none; }

/* ── インフォカード（Q&A・スケジュール等） ────── */
.info-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
  margin-bottom: 36px;
}

.info-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 20px;
  border-left: 4px solid var(--pink-main);
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s, box-shadow 0.2s;
}

.info-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(196,123,142,0.22);
}

.info-card-icon { font-size: 28px; flex-shrink: 0; }

.info-card-body { flex: 1; }

.info-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--brown);
  margin-bottom: 4px;
}

.info-card-desc {
  font-size: 12px;
  color: var(--brown-light);
  line-height: 1.6;
}

.info-card-arrow {
  font-size: 18px;
  color: var(--pink-dark);
  flex-shrink: 0;
}

/* ── レスポンシブ ────────────────────────────── */
@media (max-width: 600px) {
  .login-card     { padding: 36px 24px; }
  .lessons-grid   { grid-template-columns: 1fr; }
  .lesson-nav     { flex-direction: column; }
  .page-wrapper,
  .lesson-page    { padding: 20px 16px 48px; }
}