/* Yoritto Guide (Web) — shared + hub + lesson 統合 CSS
 * 元: docs/guide-web/{shared,hub,lesson}.css
 * /guide 系の Web 専用ページから <link rel="stylesheet" href="/guide.css"> で読み込む。
 */

/* ===== Expo Router の reset を解除 (body.guide-active 限定で適用) =====
 * Expo の static export は
 *   <style id="expo-reset">#root,body,html{height:100%}body{overflow:hidden}#root{display:flex}</style>
 * を inject するため、デフォルトでは body スクロール不可。
 *
 * guide.css は app/+html.tsx で全ページ常時 link されるが、global の
 * html, body セレクタで上書きすると他ページの挙動を壊してしまう。
 * そのため body.guide-active に scope を限定し、Guide ページの
 * useEffect で body class を付け外しする。
 */
body.guide-active {
  overflow: auto !important;
  height: auto !important;
  min-height: 100%;
}
body.guide-active #root {
  display: block !important;
  height: auto !important;
  min-height: 100vh;
}

/* ===== Tokens & Reset (元 shared.css) ===== */
:root {
  --y-primary: #FF7A6B;
  --y-primary-light: #FFE8E3;
  --y-primary-dark: #E55D4D;
  --y-secondary: #74C7B8;
  --y-secondary-light: #E6F6F3;
  --y-bg: #FFF9F2;
  --y-bg-warm: #FFF6EC;
  --y-surface: #FFFFFF;
  --y-text: #2F2A28;
  --y-text-sub: #7A6F6A;
  --y-text-mute: #A89E98;
  --y-border: #EADFD7;
  --y-border-soft: #F2E9E1;
  --y-warning: #F5A623;
  --y-error: #E5484D;
  --y-link: #3B82F6;
  --y-shadow-card: 0 4px 18px rgba(47, 42, 40, 0.06);
  --y-shadow-pop: 0 12px 36px rgba(47, 42, 40, 0.12);
}

.guide-page *, .lesson-page * { box-sizing: border-box; }
.app-header button, .app-header a, .guide-page button, .guide-page a, .lesson-page button, .lesson-page a {
  font-family: "Hiragino Sans", "Noto Sans JP", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}

/* App Header (Web nav) */
.app-header {
  height: 72px;
  background: var(--y-surface);
  border-bottom: 1px solid var(--y-border-soft);
  display: flex; align-items: center;
  padding: 0 32px;
  gap: 24px;
  position: sticky; top: 0;
  z-index: 50;
}
.app-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: inherit; }
.app-brand-mark {
  width: 36px; height: 36px;
  border-radius: 12px;
  background: var(--y-primary);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  box-shadow: 0 6px 16px rgba(255, 122, 107, 0.32);
}
.app-brand-text { font-size: 22px; font-weight: 800; letter-spacing: -0.5px; color: var(--y-text); }
.app-nav { display: flex; gap: 4px; margin-left: 12px; }
.app-nav a {
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 14px; font-weight: 500;
  color: var(--y-text-sub);
  text-decoration: none;
}
.app-nav a:hover { background: var(--y-bg-warm); color: var(--y-text); }
.app-nav a.active { color: var(--y-primary-dark); background: var(--y-primary-light); font-weight: 600; }
.app-header-spacer { flex: 1; }
.app-cta {
  height: 40px; padding: 0 18px;
  border-radius: 999px;
  background: var(--y-primary);
  color: #fff;
  font-size: 14px; font-weight: 600;
  border: none; cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
  box-shadow: 0 4px 12px rgba(255, 122, 107, 0.28);
}
.app-cta:hover { background: var(--y-primary-dark); }

/* Page container */
.guide-page { max-width: 1120px; margin: 0 auto; padding: 56px 32px 96px; }

/* Breadcrumb */
.crumbs { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--y-text-sub); margin-bottom: 12px; }
.crumbs a { color: var(--y-text-sub); text-decoration: none; }
.crumbs a:hover { color: var(--y-text); }
.crumbs .sep { color: var(--y-text-mute); }
.crumbs .current { color: var(--y-text); font-weight: 600; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  border: none;
  font-size: 14px; font-weight: 600;
  cursor: pointer;
  transition: transform 0.08s, background 0.15s, box-shadow 0.15s;
  white-space: nowrap;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--y-primary); color: #fff; box-shadow: 0 6px 14px rgba(255, 122, 107, 0.3); }
.btn-primary:hover { background: var(--y-primary-dark); }
.btn-secondary { background: var(--y-surface); color: var(--y-text); border: 1px solid var(--y-border); }
.btn-secondary:hover { background: var(--y-bg-warm); }
.btn-ghost { background: transparent; color: var(--y-text-sub); }
.btn-ghost:hover { background: var(--y-bg-warm); color: var(--y-text); }

/* Footer */
.app-footer {
  border-top: 1px solid var(--y-border-soft);
  padding: 32px;
  background: var(--y-surface);
  text-align: center;
  font-size: 12px;
  color: var(--y-text-mute);
}

/* ===== Hub 画面 (元 hub.css) ===== */
.hub-hero { text-align: center; padding: 32px 0 48px; }
.hub-overline { font-size: 12px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: var(--y-primary); margin-bottom: 14px; }
.hub-title { font-size: 44px; font-weight: 800; letter-spacing: -1.5px; line-height: 1.2; margin: 0 0 14px; color: var(--y-text); }
.hub-title em { font-style: normal; color: var(--y-primary); position: relative; }
.hub-title em::after { content: ''; position: absolute; left: 0; right: 0; bottom: 4px; height: 12px; background: rgba(255, 201, 60, 0.55); z-index: -1; }
.hub-sub { font-size: 16px; line-height: 1.7; color: var(--y-text-sub); max-width: 540px; margin: 0 auto; }

.hub-progress {
  max-width: 540px; margin: 32px auto 0;
  background: var(--y-surface);
  border: 1px solid var(--y-border-soft);
  border-radius: 16px;
  padding: 16px 22px;
  display: flex; align-items: center; gap: 16px;
  box-shadow: var(--y-shadow-card);
}
.hub-progress .info { flex: 1; text-align: left; }
.hub-progress .label { font-size: 11px; font-weight: 700; letter-spacing: 1.5px; color: var(--y-text-sub); text-transform: uppercase; margin-bottom: 4px; }
.hub-progress .count { font-size: 16px; font-weight: 700; }
.hub-progress .bar { flex: 2; height: 8px; background: var(--y-border); border-radius: 999px; overflow: hidden; }
.hub-progress .fill { height: 100%; background: linear-gradient(90deg, var(--y-secondary), var(--y-primary)); border-radius: 999px; transition: width 0.4s ease; }
.hub-progress .reset { font-size: 11px; color: var(--y-text-mute); background: none; border: none; cursor: pointer; padding: 4px 8px; }
.hub-progress .reset:hover { color: var(--y-text); }

.lessons { display: grid; grid-template-columns: 1fr; gap: 16px; margin-top: 40px; }
.lesson-card {
  background: var(--y-surface);
  border: 1px solid var(--y-border-soft);
  border-radius: 20px;
  padding: 28px;
  display: flex; gap: 24px; align-items: center;
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  position: relative;
  box-shadow: var(--y-shadow-card);
}
.lesson-card:hover { transform: translateY(-2px); box-shadow: var(--y-shadow-pop); border-color: var(--y-primary-light); }
.lesson-card.done { background: linear-gradient(135deg, var(--y-secondary-light) 0%, var(--y-surface) 100%); border-color: rgba(116, 199, 184, 0.3); }
.lesson-card.active { border-color: var(--y-primary); border-width: 2px; padding: 27px; }
.lesson-card.active::before { content: ''; position: absolute; inset: -1px; border-radius: 20px; background: linear-gradient(135deg, transparent, rgba(255, 122, 107, 0.06)); pointer-events: none; }

.lesson-num {
  width: 56px; height: 56px;
  border-radius: 18px;
  background: var(--y-bg-warm);
  color: var(--y-text);
  font-size: 22px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.lesson-card.done .lesson-num { background: var(--y-secondary); color: #fff; }
.lesson-card.active .lesson-num { background: var(--y-primary); color: #fff; box-shadow: 0 8px 20px rgba(255, 122, 107, 0.32); }

.lesson-info { flex: 1; min-width: 0; }
.lesson-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.lesson-tag { font-size: 10px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--y-primary); background: var(--y-primary-light); padding: 2px 8px; border-radius: 999px; }
.lesson-card.done .lesson-tag { background: var(--y-secondary); color: #fff; }
.lesson-duration { font-size: 12px; color: var(--y-text-sub); display: inline-flex; align-items: center; gap: 4px; }

.lesson-title { font-size: 20px; font-weight: 700; letter-spacing: -0.4px; line-height: 1.3; margin: 0 0 6px; color: var(--y-text); }
.lesson-card.done .lesson-title { text-decoration: none; }
.lesson-desc { font-size: 14px; line-height: 1.6; color: var(--y-text-sub); margin: 0; }

.lesson-arrow { color: var(--y-text-mute); flex-shrink: 0; transition: transform 0.15s, color 0.15s; }
.lesson-card:hover .lesson-arrow { color: var(--y-primary); transform: translateX(4px); }

.hub-secondary { margin-top: 48px; padding: 28px 32px; background: linear-gradient(135deg, var(--y-bg-warm), var(--y-surface)); border: 1px solid var(--y-border-soft); border-radius: 20px; display: flex; gap: 24px; align-items: center; }
.hub-secondary-body { flex: 1; }
.hub-secondary-body h3 { font-size: 18px; font-weight: 700; margin: 0 0 6px; letter-spacing: -0.3px; }
.hub-secondary-body p { font-size: 13px; color: var(--y-text-sub); margin: 0; line-height: 1.7; }

.hub-quicklinks { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; margin-top: 24px; }
@media (max-width: 720px) {
  .hub-quicklinks { grid-template-columns: 1fr; }
  .lesson-card { padding: 20px; gap: 16px; }
  .hub-title { font-size: 32px; }
}
.quicklink { background: var(--y-surface); border: 1px solid var(--y-border-soft); border-radius: 14px; padding: 18px; text-decoration: none; color: inherit; display: flex; flex-direction: column; gap: 4px; transition: border-color 0.15s, transform 0.15s; }
.quicklink:hover { border-color: var(--y-primary-light); transform: translateY(-1px); }
.quicklink-icon { width: 32px; height: 32px; border-radius: 10px; background: var(--y-primary-light); color: var(--y-primary-dark); display: flex; align-items: center; justify-content: center; margin-bottom: 6px; }
.quicklink h4 { font-size: 14px; font-weight: 700; margin: 0; }
.quicklink p { font-size: 12px; color: var(--y-text-sub); margin: 0; line-height: 1.5; }

/* ===== Lesson 画面 (元 lesson.css) ===== */
.lesson-page { max-width: 1280px; margin: 0 auto; padding: 32px 32px 56px; }

.lesson-header { margin-bottom: 24px; }
.lesson-header-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; font-size: 12px; color: var(--y-text-sub); }
.lesson-header-tag { font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--y-primary); background: var(--y-primary-light); padding: 3px 10px; border-radius: 999px; }
.lesson-header h1 { font-size: 32px; font-weight: 800; letter-spacing: -0.8px; line-height: 1.25; margin: 0 0 8px; }
.lesson-header p { font-size: 15px; line-height: 1.7; color: var(--y-text-sub); max-width: 640px; margin: 0; }

.lesson-progress { display: flex; align-items: center; gap: 16px; margin: 24px 0; padding: 14px 20px; background: var(--y-surface); border: 1px solid var(--y-border-soft); border-radius: 14px; }
.lesson-steps-dots { display: flex; gap: 6px; flex: 1; }
.lesson-steps-dots .dot { flex: 1; max-width: 80px; height: 5px; border-radius: 999px; background: var(--y-border); transition: background 0.25s; cursor: pointer; }
.lesson-steps-dots .dot.active { background: var(--y-primary); }
.lesson-steps-dots .dot.done { background: var(--y-secondary); }
.lesson-step-label { font-size: 12px; color: var(--y-text-sub); font-weight: 600; white-space: nowrap; }

.lesson-2col { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: start; }
@media (max-width: 900px) { .lesson-2col { grid-template-columns: 1fr; gap: 32px; } }

.lesson-steps { display: flex; flex-direction: column; gap: 14px; position: sticky; top: 96px; }
.step-item { background: var(--y-surface); border: 1px solid var(--y-border-soft); border-radius: 16px; padding: 18px 20px; cursor: pointer; transition: border-color 0.15s, background 0.15s, transform 0.15s; position: relative; }
.step-item:hover { border-color: var(--y-primary-light); }
.step-item.active { border-color: var(--y-primary); background: var(--y-primary-light); border-width: 1.5px; padding: 17px 19px; }
.step-item.done { border-color: rgba(116, 199, 184, 0.4); background: rgba(116, 199, 184, 0.06); }

.step-row { display: flex; align-items: flex-start; gap: 14px; }
.step-num { width: 32px; height: 32px; border-radius: 999px; background: var(--y-bg-warm); color: var(--y-text); font-size: 13px; font-weight: 700; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.step-item.active .step-num { background: var(--y-primary); color: #fff; }
.step-item.done .step-num { background: var(--y-secondary); color: #fff; }
.step-body { flex: 1; min-width: 0; }
.step-title { font-size: 16px; font-weight: 700; letter-spacing: -0.2px; margin: 4px 0 4px; line-height: 1.4; }
.step-desc { font-size: 13px; line-height: 1.65; color: var(--y-text-sub); margin: 0; }
.step-desc strong { color: var(--y-text); font-weight: 600; }
.step-desc code { font-size: 12px; background: var(--y-bg-warm); padding: 1px 6px; border-radius: 4px; font-family: ui-monospace, monospace; }

.step-cta { margin-top: 14px; display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600; color: var(--y-primary); cursor: pointer; background: none; border: none; padding: 0; }
.step-cta:hover { text-decoration: underline; }
.step-cta svg { transition: transform 0.15s; }
.step-cta:hover svg { transform: translateX(3px); }

.lesson-nav { display: flex; align-items: center; gap: 12px; margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--y-border-soft); }
.lesson-nav .spacer { flex: 1; }
.lesson-nav .step-indicator { font-size: 13px; color: var(--y-text-sub); font-weight: 600; }

.lesson-preview-col { display: flex; flex-direction: column; align-items: center; position: sticky; top: 96px; }
.lesson-preview-shell { width: 100%; max-width: 420px; background: var(--y-bg-warm); border: 1px solid var(--y-border-soft); border-radius: 28px; padding: 32px 24px; box-shadow: var(--y-shadow-card); display: flex; flex-direction: column; align-items: center; gap: 14px; }
.lesson-preview-label { font-size: 11px; font-weight: 700; letter-spacing: 1.5px; color: var(--y-text-sub); text-transform: uppercase; display: flex; align-items: center; gap: 6px; }
.lesson-preview-caption { margin-top: 12px; font-size: 13px; line-height: 1.6; color: var(--y-text-sub); text-align: center; max-width: 280px; }
.lesson-preview-caption strong { color: var(--y-text); font-weight: 600; }

.phone-frame { width: 320px; background: #1A1614; border-radius: 42px; padding: 8px; box-shadow: 0 32px 64px rgba(47, 42, 40, 0.25); }
.phone-screen { width: 100%; background: var(--y-bg); border-radius: 34px; overflow: hidden; position: relative; height: 640px; }
.phone-notch { position: absolute; top: 12px; left: 50%; transform: translateX(-50%); width: 100px; height: 26px; background: #1A1614; border-radius: 999px; z-index: 30; }
.phone-status { height: 32px; display: flex; align-items: center; justify-content: space-between; padding: 12px 22px 0; font-size: 11px; font-weight: 600; color: var(--y-text); }
.phone-content { position: absolute; inset: 32px 0 0; overflow: hidden; }

.hotspot { position: absolute; border-radius: 999px; border: 2.5px solid var(--y-primary); background: transparent; cursor: pointer; z-index: 20; animation: hotspot-pulse 1.6s ease-in-out infinite; }
.hotspot::before { content: ''; position: absolute; inset: -8px; border-radius: 999px; background: rgba(255, 122, 107, 0.22); z-index: -1; }
.hotspot:hover { background: rgba(255, 122, 107, 0.12); }
@keyframes hotspot-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 122, 107, 0.6); }
  50% { box-shadow: 0 0 0 10px rgba(255, 122, 107, 0); }
}

.hotspot-label { position: absolute; background: var(--y-text); color: var(--y-bg-warm); border-radius: 8px; padding: 6px 10px; font-size: 11px; font-weight: 600; white-space: nowrap; box-shadow: 0 8px 18px rgba(0, 0, 0, 0.18); z-index: 22; pointer-events: none; letter-spacing: 0.3px; }
.hotspot-label::after { content: ''; position: absolute; width: 0; height: 0; left: 50%; transform: translateX(-50%); bottom: -6px; border-top: 6px solid var(--y-text); border-left: 6px solid transparent; border-right: 6px solid transparent; }

.completion-card { background: linear-gradient(135deg, var(--y-secondary-light), var(--y-bg-warm)); border-radius: 20px; padding: 32px; text-align: center; margin-top: 16px; }
.completion-check { width: 64px; height: 64px; border-radius: 999px; background: var(--y-secondary); color: #fff; display: inline-flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.completion-card h3 { font-size: 22px; font-weight: 800; letter-spacing: -0.4px; margin: 0 0 8px; }
.completion-card p { font-size: 14px; color: var(--y-text-sub); line-height: 1.7; margin: 0 0 24px; }
.completion-summary { background: var(--y-surface); border-radius: 14px; padding: 16px 18px; text-align: left; margin-bottom: 18px; }
.completion-summary .ttl { font-size: 11px; font-weight: 700; letter-spacing: 1px; color: var(--y-text-sub); text-transform: uppercase; margin-bottom: 8px; }
.completion-summary ul { margin: 0; padding-left: 18px; font-size: 13px; line-height: 1.8; color: var(--y-text); }
.completion-summary ul li::marker { color: var(--y-secondary); }