/* =====================================================
   漢字検定ゲーム — Shared Design System
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho+B1:wght@400;600;800&family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

/* --- Design Tokens ---------------------------------- */
:root {
  --bg-base:      #0c0e13;
  --bg-surface:   #141620;
  --bg-elevated:  #1c1f2a;
  --bg-hover:     #252836;
  --border:       #252838;
  --border-light: #343750;

  --accent:       #f2c230;
  --accent-hover: #f7d458;
  --accent-dim:   rgba(242, 194, 48, 0.10);
  --accent-glow:  rgba(242, 194, 48, 0.18);

  --text-hi:      #f2ede4;
  --text-mid:     #9aa2b8;
  --text-lo:      #555e74;

  --ok:           #5dba78;
  --ok-dim:       rgba(93, 186, 120, 0.12);
  --ng:           #e87070;
  --ng-dim:       rgba(232, 112, 112, 0.12);

  --radius:       12px;
  --radius-sm:    8px;
  --radius-lg:    20px;
  --shadow:       0 8px 32px rgba(0,0,0,.5);
  --shadow-sm:    0 2px 12px rgba(0,0,0,.3);

  --transition:   0.2s ease;
  --font-display: 'Shippori Mincho B1', serif;
  --font-body:    'Noto Sans JP', sans-serif;
}

/* --- Reset ----------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background-color: var(--bg-base);
  color: var(--text-hi);
  min-height: 100dvh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  background-image:
    radial-gradient(ellipse 60% 50% at 15% 5%,  rgba(242,194,48,.05) 0%, transparent 100%),
    radial-gradient(ellipse 50% 60% at 85% 95%, rgba(242,194,48,.04) 0%, transparent 100%);
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* --- Utilities -------------------------------------- */
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* =====================================================
   COMPONENT: Button
   ===================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .04em;
  transition: var(--transition);
  cursor: pointer;
}
.btn--primary {
  background: var(--accent);
  color: #0c0e13;
  box-shadow: 0 0 24px var(--accent-glow);
}
.btn--primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 36px rgba(242,194,48,.35);
  transform: translateY(-2px);
}
.btn--primary:active { transform: translateY(0); }

.btn--ghost {
  background: var(--bg-elevated);
  color: var(--text-hi);
  border: 1px solid var(--border-light);
}
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

/* =====================================================
   COMPONENT: Progress Bar
   ===================================================== */
.progress-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}
.progress-track {
  flex: 1;
  height: 4px;
  background: var(--bg-elevated);
  border-radius: 999px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
  transition: width .5s cubic-bezier(.4,0,.2,1);
  box-shadow: 0 0 8px var(--accent-glow);
}
.progress-label {
  font-size: .8rem;
  font-weight: 700;
  color: var(--text-mid);
  white-space: nowrap;
  min-width: 48px;
  text-align: right;
}

/* =====================================================
   COMPONENT: Badge
   ===================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .06em;
}
.badge--yomi  { background: rgba(80,120,240,.18); color: #809cf0; border: 1px solid rgba(80,120,240,.3); }
.badge--kanji { background: var(--accent-dim);    color: var(--accent); border: 1px solid rgba(242,194,48,.3); }
.badge--rank  { background: var(--bg-elevated); color: var(--accent); border: 1px solid var(--border-light); }

/* =====================================================
   PAGE: Landing
   ===================================================== */
.landing {
  position: relative;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  overflow: hidden;
}

/* Large decorative background kanji */
.landing__bg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.05em;
  pointer-events: none;
  user-select: none;
  overflow: hidden;
}
.landing__bg span {
  font-family: var(--font-display);
  font-size: clamp(18vw, 28vw, 320px);
  font-weight: 800;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(242,194,48,.05);
  letter-spacing: -.02em;
}

.landing__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 480px;
  width: 100%;
  gap: 0;
}

.landing__eyebrow {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 16px;
  opacity: 0;
  animation: fadeUp .6s .1s ease forwards;
}

.landing__title {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeUp .6s .2s ease forwards;
}
.landing__title .t-main {
  display: block;
  font-size: clamp(3rem, 14vw, 5.5rem);
  color: var(--text-hi);
  letter-spacing: -.02em;
}
.landing__title .t-sub {
  display: block;
  font-size: clamp(1.3rem, 5vw, 2rem);
  color: var(--text-mid);
  font-weight: 600;
  letter-spacing: .02em;
  margin-top: 4px;
}

.landing__desc {
  font-size: .95rem;
  color: var(--text-mid);
  line-height: 1.8;
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeUp .6s .3s ease forwards;
}

.landing__stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 36px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 32px;
  width: 100%;
  max-width: 320px;
  opacity: 0;
  animation: fadeUp .6s .4s ease forwards;
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
}
.stat__num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.stat__lbl {
  font-size: .78rem;
  color: var(--text-lo);
  margin-top: 4px;
  font-weight: 500;
}
.stat__divider {
  width: 1px;
  height: 40px;
  background: var(--border-light);
}

.landing__cta {
  opacity: 0;
  animation: fadeUp .6s .5s ease forwards;
  width: 100%;
  max-width: 280px;
}
.btn--start {
  width: 100%;
  padding: 18px 32px;
  font-size: 1.1rem;
  border-radius: var(--radius-lg);
  background: var(--accent);
  color: #0c0e13;
  font-weight: 700;
  box-shadow: 0 0 32px var(--accent-glow), 0 4px 16px rgba(0,0,0,.4);
  transition: all var(--transition);
}
.btn--start:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 48px rgba(242,194,48,.4), 0 6px 24px rgba(0,0,0,.4);
  transform: translateY(-3px);
}
.btn--start svg { flex-shrink: 0; }

.landing__hint {
  margin-top: 16px;
  font-size: .8rem;
  color: var(--text-lo);
  opacity: 0;
  animation: fadeUp .6s .6s ease forwards;
}

/* =====================================================
   PAGE: Quiz
   ===================================================== */
.quiz-page {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: 0;
}

/* Header */
.quiz-header {
  padding: 16px 20px 12px;
  background: rgba(12,14,19,.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.quiz-header__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.quiz-header__title {
  font-family: var(--font-display);
  font-size: .9rem;
  font-weight: 600;
  color: var(--text-mid);
}

/* Phase image */
.phase-wrap {
  display: flex;
  justify-content: center;
  padding: 24px 20px 0;
}
.phase-img-box {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity .4s ease;
}
.phase-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}
/* placeholder shown when image missing */
.phase-img-box__fallback {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  opacity: .35;
  pointer-events: none;
  user-select: none;
}
.phase-img-box.phase--changing { opacity: 0; }

/* Quiz card */
.quiz-main {
  flex: 1;
  padding: 24px 20px 40px;
  max-width: 600px;
  width: 100%;
  margin: 0 auto;
}

.quiz-card {
  transition: opacity .22s ease, transform .22s ease;
}
.quiz-card.is-exiting {
  opacity: 0;
  transform: translateY(-8px);
}
.quiz-card.is-entering {
  animation: cardIn .28s ease forwards;
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.quiz-type-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.quiz-qnum {
  font-size: .8rem;
  font-weight: 700;
  color: var(--text-lo);
}

.quiz-question {
  font-size: .95rem;
  color: var(--text-mid);
  margin-bottom: 10px;
  line-height: 1.7;
}
.quiz-word {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 12vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-hi);
  letter-spacing: .04em;
  margin-bottom: 28px;
  position: relative;
  display: inline-block;
}
.quiz-word::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  box-shadow: 0 0 10px var(--accent-glow);
}

/* Choice buttons */
.choices {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.choice-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 18px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-hi);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  text-align: left;
  transition: all var(--transition);
  cursor: pointer;
  width: 100%;
  -webkit-tap-highlight-color: transparent;
}
.choice-btn:hover:not(:disabled) {
  background: var(--bg-elevated);
  border-color: var(--border-light);
}
.choice-btn:active:not(:disabled) {
  transform: scale(.98);
}
.choice-label {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .78rem;
  font-weight: 700;
  color: var(--text-lo);
  flex-shrink: 0;
  transition: var(--transition);
}
.choice-text {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
}
/* Selected state */
.choice-btn.is-selected {
  background: var(--accent-dim);
  border-color: var(--accent);
  box-shadow: 0 0 16px var(--accent-glow);
}
.choice-btn.is-selected .choice-label {
  background: var(--accent);
  border-color: var(--accent);
  color: #0c0e13;
}
.choice-btn:disabled { cursor: default; }

/* =====================================================
   PAGE: Result
   ===================================================== */
.result-page {
  min-height: 100dvh;
  padding: 0 0 60px;
}

/* Hero score */
.result-hero {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 40px 24px 32px;
  text-align: center;
}
.result-hero__eyebrow {
  font-size: .78rem;
  letter-spacing: .14em;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.result-score-display {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: 8px;
}
.score-main {
  font-family: var(--font-display);
  font-size: clamp(4.5rem, 20vw, 7rem);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  text-shadow: 0 0 40px var(--accent-glow);
}
.score-denom {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 6vw, 2.2rem);
  font-weight: 600;
  color: var(--text-mid);
}
.score-pct {
  font-size: .9rem;
  color: var(--text-lo);
  margin-bottom: 0;
}

/* Rank section */
.result-rank {
  max-width: 560px;
  margin: 0 auto;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.rank-img-wrap {
  width: 140px;
  height: 140px;
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.rank-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.rank-img-wrap__fallback {
  font-family: var(--font-display);
  font-size: 3.5rem;
  color: var(--accent);
  opacity: .4;
}
.rank-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 7vw, 2.2rem);
  font-weight: 800;
  color: var(--text-hi);
}
.rank-caption {
  font-size: .95rem;
  color: var(--text-mid);
  line-height: 1.7;
  max-width: 360px;
}

/* Score breakdown */
.result-section {
  max-width: 560px;
  margin: 0 auto;
  padding: 28px 24px;
  border-bottom: 1px solid var(--border);
}
.section-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-mid);
  letter-spacing: .06em;
  margin-bottom: 20px;
}

.score-bars { display: flex; flex-direction: column; gap: 16px; }
.score-bar-row { display: flex; flex-direction: column; gap: 8px; }
.score-bar-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.score-bar-label { font-size: .9rem; font-weight: 700; color: var(--text-hi); }
.score-bar-val { font-size: .85rem; font-weight: 700; color: var(--text-mid); }
.score-bar-track {
  height: 10px;
  background: var(--bg-elevated);
  border-radius: 999px;
  overflow: hidden;
}
.score-bar-fill {
  height: 100%;
  border-radius: 999px;
  width: 0;
  transition: width 1.2s cubic-bezier(.4,0,.2,1);
}
.score-bar-fill--yomi  { background: linear-gradient(90deg, #6090f0, #80b8ff); }
.score-bar-fill--kanji { background: linear-gradient(90deg, #e0a020, var(--accent)); }

/* Q&A review */
.review-list { display: flex; flex-direction: column; gap: 12px; }
.review-item {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.review-item.is-correct { border-left: 3px solid var(--ok); }
.review-item.is-wrong   { border-left: 3px solid var(--ng); }

.review-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
}
.review-verdict {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}
.is-correct .review-verdict { background: var(--ok-dim); color: var(--ok); }
.is-wrong   .review-verdict { background: var(--ng-dim); color: var(--ng); }

.review-content { flex: 1; min-width: 0; }
.review-qnum    { font-size: .75rem; color: var(--text-lo); margin-bottom: 2px; font-weight: 600; }
.review-word    { font-family: var(--font-display); font-size: 1.25rem; font-weight: 700; color: var(--text-hi); }

.review-answers {
  padding: 0 16px 12px 54px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.review-ans-row { display: flex; gap: 8px; align-items: center; font-size: .85rem; }
.ans-lbl {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .04em;
  width: 44px;
  flex-shrink: 0;
  color: var(--text-lo);
}
.ans-val { color: var(--text-hi); font-weight: 500; }
.ans-val--correct { color: var(--ok); font-weight: 700; }
.ans-val--wrong   { color: var(--ng); }

.review-explanation {
  padding: 0 16px 14px 54px;
  font-size: .83rem;
  color: var(--text-mid);
  line-height: 1.75;
  border-top: 1px solid var(--border);
  padding-top: 10px;
  margin-top: 0;
}

/* Share section */
.share-section {
  max-width: 560px;
  margin: 0 auto;
  padding: 28px 24px;
}
.share-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-mid);
  letter-spacing: .06em;
  margin-bottom: 16px;
}
.share-btns {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.share-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 24px;
  border-radius: var(--radius);
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .03em;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}
.share-btn--x {
  background: #1a1a1a;
  color: #fff;
  border: 1px solid #333;
}
.share-btn--x:hover {
  background: #111;
  border-color: #555;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,.4);
}
.share-btn--bsky {
  background: #0085ff;
  color: #fff;
}
.share-btn--bsky:hover {
  background: #0099ff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,133,255,.3);
}

.result-retry {
  text-align: center;
  margin-top: 20px;
}
.btn--retry {
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-mid);
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: .9rem;
  font-weight: 500;
  transition: var(--transition);
}
.btn--retry:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

/* =====================================================
   Animations
   ===================================================== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(.92); }
  to   { opacity: 1; transform: scale(1); }
}

.anim-fade-up  { animation: fadeUp  .6s ease forwards; }
.anim-fade-in  { animation: fadeIn  .4s ease forwards; }
.anim-scale-in { animation: scaleIn .5s ease forwards; }

/* =====================================================
   Responsive: Tablet / Desktop
   ===================================================== */
@media (min-width: 600px) {
  .quiz-main       { padding: 32px 32px 60px; }
  .share-btns      { flex-direction: row; }
  .share-btn       { flex: 1; }

  .result-rank {
    flex-direction: row;
    text-align: left;
    gap: 28px;
  }
  .rank-img-wrap { width: 120px; height: 120px; }
}

@media (min-width: 768px) {
  .choices {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}

/* =====================================================
   COMPONENT: Site Footer
   ===================================================== */
.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 28px 24px;
  margin-top: 40px;
}
.site-footer__inner {
  max-width: 560px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
}
.site-footer__logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  transition: var(--transition);
}
.site-footer__logo:hover { opacity: .75; }
.site-footer__logo-kanji {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.site-footer__logo-text {
  font-family: var(--font-display);
  font-size: .9rem;
  font-weight: 600;
  color: var(--text-mid);
}
.site-footer__nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.site-footer__link {
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-lo);
  text-decoration: none;
  transition: var(--transition);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}
.site-footer__link:hover { color: var(--accent); background: var(--accent-dim); }
.site-footer__link--hard:hover { color: #e87070; background: rgba(232,112,112,.10); }
.site-footer__sep { color: var(--text-lo); font-size: .8rem; }
.site-footer__copy {
  font-size: .75rem;
  color: var(--text-lo);
}

/* =====================================================
   COMPONENT: Modal / Confirmation Dialog
   ===================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.72);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 100;
  animation: fadeIn .2s ease;
}
.modal-overlay[hidden] { display: none; }

.modal-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 360px;
  overflow: hidden;
  animation: scaleIn .24s ease;
}
.confirm-visual {
  padding: 32px 24px 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100px;
}
.confirm-visual img {
  max-width: 100%;
  max-height: 160px;
  object-fit: contain;
  display: block;
}
.confirm-fallback-text {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-hi);
  text-align: center;
  line-height: 1.5;
}
.confirm-buttons {
  display: flex;
  gap: 0;
  border-top: 1px solid var(--border);
}
.confirm-btn {
  flex: 1;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  transition: var(--transition);
  position: relative;
}
.confirm-btn img {
  max-width: 100%;
  max-height: 56px;
  object-fit: contain;
  display: block;
  pointer-events: none;
}
.confirm-btn span {
  padding: 16px 0;
  display: block;
}
.confirm-btn--yes {
  color: var(--ok);
  border-right: 1px solid var(--border);
}
.confirm-btn--yes:hover { background: var(--ok-dim); }
.confirm-btn--no  { color: var(--text-mid); }
.confirm-btn--no:hover  { background: var(--bg-hover); }

/* Hard mode button (result page) */
.hard-mode-entry {
  max-width: 560px;
  margin: 0 auto;
  padding: 24px 24px 0;
  text-align: center;
}
.hard-mode-entry__label {
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--text-lo);
  margin-bottom: 12px;
  font-weight: 600;
}
.btn--hard {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  background: rgba(232,112,112,.08);
  border: 1px solid rgba(232,112,112,.35);
  border-radius: var(--radius);
  color: #e87070;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .04em;
  cursor: pointer;
  transition: all var(--transition);
  width: 100%;
  max-width: 320px;
}
.btn--hard:hover {
  background: rgba(232,112,112,.16);
  border-color: rgba(232,112,112,.7);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(232,112,112,.2);
}