:root {
  --color-bg: #1c7ed6;
  --color-header: #0b3d8c;
  --color-surface: #ffffff;
  --color-text: #222833;
  --color-text-sub: #6b7280;
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-accent: #14b8a6;
  --color-badge: #7c6ff0;
  --color-banner-bg: #e8f1ff;
  /* 〇=ピンク／△=黄色／×=青／苦手=紫（すべてパステル） */
  --color-correct: #d6336c;
  --color-correct-bg: #ffdeeb;
  --color-ambiguous: #b8860b;
  --color-ambiguous-bg: #fff9db;
  --color-wrong: #1c7ed6;
  --color-wrong-bg: #d0ebff;
  --color-struggling: #9c36b5;
  --color-struggling-bg: #f3d9fa;
  --color-border: #e5e7eb;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Segoe UI", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
}

.app {
  max-width: 480px;
  margin: 0 auto;
  padding: 24px 16px 60px;
  min-height: 100vh;
  position: relative;
}

h1 {
  font-size: 22px;
  margin: 8px 0 20px;
  text-align: center;
  color: #fff;
}

h2 {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
  margin: 24px 0 10px;
}

.app-header {
  background: var(--color-header);
  color: #fff;
  font-size: 19px;
  font-weight: bold;
  text-align: center;
  padding: 18px 16px;
  margin: -24px -16px 20px;
}

.screen.hidden { display: none !important; }
.hidden { display: none; }

/* ---------- トップ画面 ---------- */
.group-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.group-card {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  padding: 14px 16px;
  cursor: pointer;
  transition: border-color 0.15s;
}

.group-card-static {
  cursor: default;
}

.group-card-static:hover {
  border-color: var(--color-border);
}

.group-card:hover {
  border-color: var(--color-primary);
}

.group-card.selected {
  border-color: var(--color-primary);
  background: #eff6ff;
}

.group-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: bold;
  margin-bottom: 8px;
}

.group-card-name { font-size: 16px; }
.group-card-count { font-size: 12px; color: var(--color-text-sub); font-weight: normal; }

.status-dots {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 8px;
}

.status-dot {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  display: inline-block;
  box-sizing: border-box;
  border: 2px solid var(--color-border);
  background: transparent;
}

.status-dot.dot-correct { background: var(--color-correct); border-color: var(--color-correct); }
.status-dot.dot-ambiguous { background: var(--color-ambiguous); border-color: var(--color-ambiguous); }
.status-dot.dot-wrong { background: var(--color-wrong); border-color: var(--color-wrong); }
.status-dot.dot-struggling { background: var(--color-struggling); border-color: var(--color-struggling); }

.count-pill {
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-badge);
  border-radius: 999px;
  padding: 1px 9px;
  font-size: 12px;
  font-weight: bold;
}

.progress-bar-track {
  height: 8px;
  border-radius: 4px;
  background: var(--color-border);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--color-primary);
  transition: width 0.2s;
}

.group-card-rate {
  margin-top: 6px;
  font-size: 12px;
  color: var(--color-text-sub);
  text-align: right;
}

.mode-select {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 4px 16px 12px;
  margin-bottom: 16px;
}

.mode-select h2 {
  color: var(--color-primary);
  margin-top: 0;
}

/* ---------- 復習トレーニング フローティングボタン ---------- */
.review-fab {
  position: fixed;
  right: 20px;
  bottom: 24px;
  width: 76px;
  height: 76px;
  border-radius: 50%;
  border: none;
  background: var(--color-header);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
  z-index: 40;
}

.review-fab.hidden { display: none; }
.review-fab:hover { opacity: 0.92; }

.review-fab-icon {
  font-size: 18px;
  font-weight: bold;
  line-height: 1;
}

.review-fab-label {
  font-size: 10px;
  font-weight: bold;
  line-height: 1.3;
}

.review-fab-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: #ec4899;
  color: #fff;
  font-size: 12px;
  font-weight: bold;
  min-width: 22px;
  height: 22px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  border: 2px solid var(--color-bg);
}

/* ---------- 復習トレーニング選択画面 ---------- */
.header-spacer { width: 26px; flex-shrink: 0; }

.review-sub {
  color: rgba(255, 255, 255, 0.85);
  font-size: 13px;
  text-align: center;
  margin: -12px 0 20px;
}

.review-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.review-option-btn {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 16px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  font-size: 15px;
  font-weight: bold;
  cursor: pointer;
}

.review-option-btn:hover:not(:disabled) { border-color: var(--color-primary); }

.review-option-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.review-option-btn .count-pill {
  background: var(--color-badge);
  color: #fff;
}

.review-option-btn-playlist {
  border-color: var(--color-badge);
  background: #f5f3ff;
}

/* ---------- 定着度で見る画面 ---------- */
.level-section {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 10px;
}

#level-detail-list {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 4px 16px;
}

#level-detail-list:empty::after {
  content: "対象の単語はありません";
  display: block;
  padding: 16px 0;
  font-size: 12px;
  color: var(--color-text-sub);
}

.level-section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: bold;
  font-size: 14px;
  margin-bottom: 8px;
}

.level-empty {
  font-size: 12px;
  color: var(--color-text-sub);
}

.level-word-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.level-word-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 0;
  border-top: 1px solid var(--color-border);
}

.level-word-row:first-child { border-top: none; }

.star-btn {
  border: none;
  background: none;
  font-size: 18px;
  line-height: 1;
  color: var(--color-text-sub);
  cursor: pointer;
  flex-shrink: 0;
  padding: 0;
  width: 22px;
}

.star-btn.active { color: #f59e0b; }

.level-word-en {
  font-weight: bold;
  font-size: 14px;
  flex-shrink: 0;
}

.level-word-ja {
  font-size: 12px;
  color: var(--color-text-sub);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mode-option {
  display: block;
  padding: 8px 0;
  font-size: 14px;
  cursor: pointer;
}

.mode-option input { margin-right: 8px; }

.btn-primary {
  width: 100%;
  padding: 14px;
  margin-top: 24px;
  border: none;
  border-radius: var(--radius);
  background: var(--color-primary);
  color: #fff;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
}

.btn-primary:disabled {
  background: #a5b4d1;
  cursor: not-allowed;
}

.btn-primary:not(:disabled):hover {
  background: var(--color-primary-dark);
}

.btn-secondary {
  width: 100%;
  padding: 14px;
  margin-top: 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 16px;
  cursor: pointer;
}

.btn-danger {
  background: #dc2626;
   border-color: #dc2626;
   color: #fff;
   font-weight: bold;
}

.btn-danger:hover {
  background: #b91c1c;
}

/* ---------- 学習画面 ---------- */
.study-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.badge-pill {
  background: var(--color-badge);
  color: #fff;
  font-size: 12px;
  font-weight: bold;
  padding: 5px 12px;
  border-radius: 999px;
}

.progress-label {
  flex: 1;
  text-align: center;
  font-size: 15px;
  font-weight: bold;
  color: #fff;
}

.btn-close {
  border: none;
  background: none;
  font-size: 26px;
  line-height: 1;
  color: rgba(255, 255, 255, 0.85);
  cursor: pointer;
  padding: 0 2px;
}

.btn-close:hover { color: #fff; }

.study-progress-track {
  height: 6px;
  margin-bottom: 16px;
  background: rgba(255, 255, 255, 0.35);
}

.study-progress-track .progress-bar-fill {
  background: var(--color-accent);
}

.instruction-banner {
  background: var(--color-banner-bg);
  color: var(--color-primary-dark);
  font-size: 13px;
  font-weight: bold;
  padding: 10px 14px;
  border-radius: 10px 10px 0 0;
  margin-bottom: -1px;
}

.card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  min-height: 260px;
}

.instruction-banner + .card {
  border-radius: 0 0 var(--radius) var(--radius);
}

.group-start-card { padding: 36px 24px; }

.group-start-icon {
  font-size: 40px;
  margin-bottom: 12px;
}

.group-start-name {
  font-size: 22px;
  font-weight: bold;
  margin-bottom: 16px;
}

.group-start-desc {
  font-size: 13px;
  color: var(--color-text-sub);
  line-height: 1.7;
  margin: 0 0 16px;
}

.group-start-count {
  font-size: 14px;
  font-weight: bold;
  color: var(--color-primary);
}

.pos-tag {
  display: inline-block;
  font-size: 11px;
  color: var(--color-primary);
  background: #eff6ff;
  border-radius: 999px;
  padding: 3px 10px;
  margin-bottom: 12px;
}

.question-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 24px;
}

.question-text {
  font-size: 26px;
  font-weight: bold;
  line-height: 1.4;
  word-break: break-word;
}

.btn-speak {
  border: none;
  background: var(--color-banner-bg);
  color: var(--color-primary);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 16px;
  cursor: pointer;
  flex-shrink: 0;
}

.btn-speak:hover { background: #dbeafe; }
.btn-speak.hidden { display: none; }

.btn-star {
  border: none;
  background:var(--color-banner-bg);
  color: var(--color-text-sub);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 16px;
  cursor: pointer;
  flex-shrink: 0;
}

.btn-star:hover { background: #dbeafe; }
.btn-star.active { color: #f59e0b; }


.answer-area.hidden { display: none; }

#input-area input {
  width: 100%;
  font-size: 18px;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-align: center;
}

.choice-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.choice-btn {
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  font-size: 15px;
  cursor: pointer;
  text-align: left;
}

.choice-btn:hover { border-color: var(--color-primary); }

.choice-btn.correct {
  border-color: var(--color-correct);
  background: var(--color-correct-bg);
  color: var(--color-correct);
  font-weight: bold;
}

.choice-btn.wrong {
  border-color: var(--color-wrong);
  background: var(--color-wrong-bg);
  color: var(--color-wrong);
}

.choice-btn:disabled { cursor: default; }

.feedback {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  text-align: left;
}

.feedback.hidden { display: none; }

#feedback-result {
  font-weight: bold;
  font-size: 16px;
  margin-bottom: 8px;
}

#feedback-result.correct { color: var(--color-correct); }
#feedback-result.wrong { color: var(--color-wrong); }
#feedback-result.retry { color: var(--color-primary); }

#feedback-example {
  font-size: 13px;
  color: var(--color-text-sub);
  line-height: 1.6;
  margin-bottom: 4px;
}

.confidence-buttons {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

.confidence-buttons.hidden { display: none; }

.btn-confidence {
  flex: 1;
  padding: 14px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: bold;
  cursor: pointer;
}

.btn-confidence-correct {
  border: 2px solid var(--color-correct);
  background: var(--color-correct-bg);
  color: var(--color-correct);
}

.btn-confidence-ambiguous {
  border: 2px solid var(--color-ambiguous);
  background: var(--color-ambiguous-bg);
  color: var(--color-ambiguous);
}

/* ---------- 結果画面 ---------- */
.result-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 12px;
}

.result-card-title {
  font-size: 13px;
  font-weight: bold;
  color: var(--color-text-sub);
  margin-bottom: 12px;
}

.result-badge {
  font-size: 40px;
  text-align: center;
  margin-bottom: 10px;
}

.result-counts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}

.result-count-item {
  text-align: center;
  border-radius: var(--radius);
  padding: 10px 4px;
}

.count-correct { background: var(--color-correct-bg); }
.count-ambiguous { background: var(--color-ambiguous-bg); }
.count-wrong { background: var(--color-wrong-bg); }
.count-struggling { background: var(--color-struggling-bg); }

.count-num {
  font-size: 24px;
  font-weight: bold;
}

.count-correct .count-num { color: var(--color-correct); }
.count-ambiguous .count-num { color: var(--color-ambiguous); }
.count-wrong .count-num { color: var(--color-wrong); }
.count-struggling .count-num { color: var(--color-struggling); }

.count-label {
  font-size: 11px;
  color: var(--color-text-sub);
  margin-top: 2px;
}


.result-message {
  margin-top: 12px;
  background: var(--color-banner-bg);
  color: var(--color-primary-dark);
  font-size: 13px;
  padding: 10px 14px;
  border-radius: 10px;
  text-align: center;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 14px;
}

.stat-row strong {
  font-size: 18px;
  color: var(--color-text);
}

#result-wrong-heading.hidden { display: none; }

.wrong-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.wrong-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-size: 14px;
}

.wrong-card-top {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.wrong-card .w-en { font-weight: bold; font-size: 16px; margin-right: auto; }

.status-marker {
  font-weight: bold;
  font-size: 13px;
  min-width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.wrong-card.status-wrong .status-marker { color: var(--color-wrong); font-size: 16px; }
.wrong-card.status-ambiguous .status-marker { color: var(--color-ambiguous); font-size: 16px; }
.wrong-card.status-struggling .status-marker {
  color: var(--color-struggling);
  background: var(--color-struggling-bg);
  border-radius: 999px;
  padding: 2px 6px;
}

.pos-tag-sm {
  font-size: 10px;
  color: var(--color-primary);
  background: #eff6ff;
  border-radius: 999px;
  padding: 2px 8px;
}

.speak-btn {
  border: none;
  background: var(--color-banner-bg);
  color: var(--color-primary);
  width: 26px;
  height: 26px;
  border-radius: 50%;
  font-size: 12px;
  cursor: pointer;
  flex-shrink: 0;
}

.wrong-card .w-ja { color: var(--color-text-sub); margin-bottom: 8px; }

.toggle-example {
  border: none;
  background: none;
  color: var(--color-primary);
  font-size: 12px;
  padding: 0;
  cursor: pointer;
}

.w-example {
  margin-top: 8px;
  font-size: 12px;
  color: var(--color-text-sub);
  line-height: 1.6;
  border-top: 1px solid var(--color-border);
  padding-top: 8px;
}

.w-example.hidden { display: none; }

.result-buttons {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.result-buttons .btn-primary,
.result-buttons .btn-secondary {
  margin-top: 0;
}

/* ---------- 中断モーダル ---------- */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}

.overlay.hidden { display: none; }

.overlay-box {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 28px 24px;
  max-width: 340px;
  width: 100%;
  text-align: center;
}

.overlay-box h2 {
  margin: 0 0 8px;
  font-size: 18px;
  color: var(--color-text);
}

.overlay-box p {
  font-size: 13px;
  color: var(--color-text-sub);
  margin: 0 0 4px;
}

.overlay-box .btn-primary,
.overlay-box .btn-secondary {
  margin-top: 14px;
}

/* ---------- ログイン画面 ---------- */
.app-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  text-align: left;
}

.app-header-user {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: normal;
}

.current-user-badge {
  font-size: 12px;
  background: rgba(255, 255, 255, 0.18);
  padding: 4px 10px;
  border-radius: 999px;
}

.logout-btn {
  border: 1px solid rgba(255, 255, 255, 0.6);
  background: none;
  color: #fff;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  cursor: pointer;
}

.logout-btn:hover { background: rgba(255, 255, 255, 0.15); }

.login-add-btn { margin-top: 16px; }

.login-card { text-align: left; min-height: 0; }
.login-main-card { margin: 18px auto; }
.auth-choice-card { display: grid; gap: 14px; }
.auth-provider-btn,
.auth-guest-btn {
  width: 100%;
  min-height: 54px;
  border-radius: 14px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.auth-provider-btn:disabled,
.auth-guest-btn:disabled { cursor: wait; opacity: 0.55; }
.auth-provider-btn {
  border: 1px solid #58749b;
  background: #f7faff;
  color: #17233a;
}
.auth-google-btn { position: relative; }
.google-mark {
  position: absolute;
  left: 20px;
  color: #4285f4;
  font-size: 22px;
  font-weight: 800;
}
.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #91a9c8;
  font-size: 13px;
}
.auth-divider::before,
.auth-divider::after { content: ""; height: 1px; flex: 1; background: #3b587e; }
.auth-email-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.auth-email-actions .btn-primary,
.auth-email-actions .btn-secondary { margin: 0; min-height: 50px; }
.auth-guest-btn {
  border: 1px solid #54739d;
  background: transparent;
  color: #eaf4ff;
}
.auth-guest-note { margin: -4px 0 0; text-align: center; color: #91a9c8; font-size: 12px; line-height: 1.5; }
.nickname-box {
  max-width: 400px;
  text-align: left;
  color: #f4f8ff;
  background: linear-gradient(145deg, #17375f, #102b50);
  border: 1px solid rgba(92, 176, 255, 0.32);
  border-radius: 18px;
  box-shadow: 0 24px 70px rgba(0, 8, 28, 0.52);
}
#nickname-overlay {
  background: rgba(2, 13, 35, 0.78);
  backdrop-filter: blur(7px);
}
.nickname-box h2,
.nickname-box p { text-align: center; }
.nickname-box h2 { color: #fff; }
.nickname-box p { color: #a9bfdb; line-height: 1.65; margin-bottom: 18px; }
.nickname-box .login-label { color: #dcecff; }
.nickname-box .login-input {
  color: #fff;
  caret-color: #fff;
  color-scheme: dark;
  background: #0b274b;
  border: 1px solid #19b5f5;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}
.nickname-box .login-input:-webkit-autofill,
.nickname-box .login-input:-webkit-autofill:hover,
.nickname-box .login-input:-webkit-autofill:focus,
.nickname-box .login-input:-webkit-autofill:active {
  -webkit-text-fill-color: #fff !important;
  caret-color: #fff;
  box-shadow: 0 0 0 1000px #0b274b inset !important;
  transition: background-color 9999s ease-out 0s;
}
.nickname-box .login-input:focus {
  border-color: #63d5ff;
  box-shadow: 0 0 0 3px rgba(33, 190, 255, 0.16);
}
.nickname-box .btn-secondary {
  color: #e8f4ff;
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(119, 190, 255, 0.35);
}
.current-user-badge {
  border: 1px solid rgba(255, 255, 255, 0.6);
  background: none;
  color: #fff;
  font: inherit;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  cursor: pointer;
}
.current-user-badge:hover { background: rgba(255, 255, 255, 0.15); }
@media (max-width: 420px) {
  .auth-email-actions { grid-template-columns: 1fr; }
}

.login-label {
  display: block;
  font-size: 13px;
  font-weight: bold;
  color: var(--color-text-sub);
  margin: 16px 0 6px;
}

.login-label:first-of-type { margin-top: 0; }

.login-input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 16px;
  box-sizing: border-box;
}

.login-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.login-error {
  color: var(--color-wrong);
  font-size: 13px;
  margin-top: 10px;
}

.login-profile-btn {
  width: 100%;
  text-align: left;
  padding: 16px;
  border: none;
  border-radius: var(--radius);
  background: var(--color-surface);
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
}

.login-profile-btn:hover { background: var(--color-banner-bg); }

.login-forgot-link {
  display: block;
  width: 100%;
  text-align: center;
  border: none;
  background: none;
  color: var(--color-primary);
  font-size: 13px;
  margin-top: 12px;
  padding: 4px;
  cursor: pointer;
}

.login-forgot-link:hover { text-decoration: underline; }

/* ---------- トップ画面：学習ダッシュボード ---------- */
#screen-top {
  margin: -24px -16px -60px;
  padding: 0 16px 96px;
  min-height: 100vh;
  background: linear-gradient(180deg, #061a3a 0%, #082653 52%, #0b3d78 100%);
}

#screen-top .app-header {
  margin: 0 -16px 14px;
  padding: 17px 16px;
  background: rgba(3, 17, 43, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  backdrop-filter: blur(10px);
}

#screen-top .app-header > span:first-child {
  font-size: 17px;
}

.dashboard-summary,
.weekly-panel {
  margin-bottom: 12px;
  padding: 16px;
  color: #fff;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(125, 190, 255, 0.23);
  border-radius: 16px;
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.12);
}

.dashboard-summary-heading,
.weekly-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  font-size: 13px;
  font-weight: bold;
  color: rgba(255, 255, 255, 0.88);
}

.dashboard-summary-main {
  display: grid;
  grid-template-columns: 116px 1fr;
  align-items: center;
  gap: 18px;
}

.retention-ring {
  --retention-angle: 0deg;
  width: 112px;
  height: 112px;
  padding: 0;
  border: none;
  border-radius: 50%;
  color: #fff;
  background: conic-gradient(#17b9ff var(--retention-angle), rgba(255, 255, 255, 0.12) 0);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  cursor: pointer;
  position: relative;
}

.retention-ring::before {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 50%;
  background: #09234a;
}

.retention-ring-value,
.retention-ring-label {
  position: relative;
  display: block;
  z-index: 1;
}

.retention-ring-value { font-size: 27px; font-weight: bold; }
.retention-ring-label { margin-top: 2px; font-size: 11px; color: rgba(255, 255, 255, 0.7); }

.dashboard-metrics {
  display: grid;
  gap: 9px;
}

.dashboard-metrics > div,
.dashboard-mastered {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.dashboard-metrics > div {
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}

.dashboard-metrics span,
.dashboard-mastered span {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.62);
}

.dashboard-metrics strong { font-size: 13px; font-weight: normal; }
.dashboard-metrics b { font-size: 20px; }

.dashboard-mastered {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}

.dashboard-mastered strong { font-size: 13px; }
.dashboard-time-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.dashboard-time-summary > div {
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(22, 135, 255, 0.12);
}

.dashboard-time-summary span,
.dashboard-time-summary strong {
  display: block;
}

.dashboard-time-summary span {
  margin-bottom: 4px;
  font-size: 10px;
  color: rgba(255, 255, 255, 0.6);
}

.dashboard-time-summary strong {
  font-size: 13px;
  color: #fff;
}
.weekly-heading strong { font-size: 12px; }
.weekly-heading b { font-size: 18px; }

.weekly-chart {
  height: 88px;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  align-items: end;
  gap: 8px;
}

.weekly-day {
  height: 88px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  gap: 4px;
}

.weekly-count,
.weekly-label {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.68);
}

.weekly-bar {
  width: min(22px, 62%);
  min-height: 5px;
  border-radius: 5px 5px 2px 2px;
  background: linear-gradient(180deg, #22c4ff, #1687ff);
}

#screen-top .mode-select {
  padding: 12px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(125, 190, 255, 0.2);
  border-radius: 16px;
}

#screen-top .mode-select h2 {
  margin: 0 0 8px;
  color: rgba(255, 255, 255, 0.72);
}

#screen-top .mode-option {
  color: #fff;
  font-size: 13px;
}

#screen-top .group-list { gap: 8px; }

#screen-top .group-card {
  padding: 13px 14px;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(125, 190, 255, 0.2);
  border-radius: 14px;
}

#screen-top .group-card:hover { border-color: #21b7ff; }
#screen-top .group-card-count,
#screen-top .group-card-rate { color: rgba(255, 255, 255, 0.62); }
#screen-top .progress-bar-track { background: rgba(255, 255, 255, 0.12); }
#screen-top .progress-bar-fill { background: linear-gradient(90deg, #1687ff, #21c5ff); }

@media (max-width: 370px) {
  .dashboard-summary-main { grid-template-columns: 98px 1fr; gap: 12px; }
  .retention-ring { width: 96px; height: 96px; }
  .retention-ring-value { font-size: 23px; }
  .weekly-chart { gap: 4px; }
}

/* PCではトップ画面だけを2カラム化。学習画面は集中しやすいスマホ幅を維持する */
@media (min-width: 640px) {
  body {
    background:
      radial-gradient(circle at 12% 12%, rgba(31, 126, 214, 0.18), transparent 30%),
      radial-gradient(circle at 88% 88%, rgba(20, 184, 166, 0.1), transparent 28%),
      #06152f;
  }

  body:not(.top-active) .app {
    max-width: 1040px;
    padding: 36px 32px 72px;
  }

  body.top-active {
    background:
      radial-gradient(circle at 18% 15%, rgba(31, 126, 214, 0.22), transparent 34%),
      radial-gradient(circle at 82% 85%, rgba(20, 184, 166, 0.12), transparent 30%),
      #041229;
  }

  body.top-active .app {
    max-width: 1120px;
    padding-left: 24px;
    padding-right: 24px;
  }

  #screen-top {
    margin-left: -24px;
    margin-right: -24px;
    padding-left: 32px;
    padding-right: 32px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-areas:
      "header header"
      "summary mode"
      "weekly groups"
      "actions groups";
    column-gap: 20px;
    row-gap: 16px;
    align-items: start;
  }

  #screen-top .app-header {
    grid-area: header;
    margin: 0 -32px;
    padding: 20px 32px;
  }

  #screen-top .dashboard-summary {
    grid-area: summary;
    margin: 0;
  }

  #screen-top .weekly-panel {
    grid-area: weekly;
    margin: 0;
  }

  #screen-top .mode-select {
    grid-area: mode;
    margin: 0;
  }

  #screen-top .dashboard-actions {
    grid-area: actions;
    margin: 0;
  }

  #screen-top #group-list {
    grid-area: groups;
  }

  #screen-top .dashboard-summary,
  #screen-top .weekly-panel,
  #screen-top .mode-select,
  #screen-top .dashboard-actions {
    padding: 20px;
  }

  #screen-top .weekly-chart {
    height: 132px;
  }

  #screen-top .weekly-day {
    height: 132px;
  }

  #screen-top .weekly-bar {
    width: min(30px, 66%);
  }

  #screen-top .group-card {
    padding: 16px 18px;
  }

  #screen-top .review-fab {
    right: max(28px, calc((100vw - 1120px) / 2 + 28px));
  }

  /* ログイン・登録 */
  body[data-screen^="login"] .app {
    max-width: 620px;
  }

  #screen-login .app-header,
  #screen-login-migrate .app-header {
    border-radius: 0 0 16px 16px;
  }

  #screen-login .group-list {
    grid-template-columns: 1fr;
  }

  .login-card {
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
  }

  /* 一覧・選択画面 */
  #screen-level-ranges .group-list,
  #screen-training-list .group-list,
  #screen-review-batch .group-list,
  #screen-levels .review-options,
  #screen-level-groups .review-options,
  #screen-level-range-groups .review-options,
  #screen-review-weeks .review-options,
  #screen-review .review-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  #screen-level-ranges .group-card,
  #screen-training-list .group-card,
  #screen-review-batch .group-card,
  #screen-levels .review-option-btn,
  #screen-level-groups .review-option-btn,
  #screen-level-range-groups .review-option-btn,
  #screen-review-weeks .review-option-btn,
  #screen-review .review-option-btn {
    min-height: 86px;
  }

  .study-header {
    margin-bottom: 18px;
  }

  .study-header .progress-label {
    font-size: 18px;
  }

  /* 学習開始・学習中は読みやすい幅に留める */
  body[data-screen="group-start"] .app,
  body[data-screen="study"] .app {
    max-width: 760px;
  }

  #screen-group-start .group-start-card {
    min-height: 330px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  #screen-study .card {
    min-height: 420px;
    padding: 42px 44px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  #screen-study .question-text {
    font-size: 32px;
  }

  #screen-study .choice-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  #screen-study .choice-btn {
    min-height: 58px;
  }

  /* 定着度の単語一覧 */
  #level-detail-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 28px;
    padding: 12px 24px;
  }

  #level-detail-list .level-word-row:nth-child(2) {
    border-top: none;
  }

  /* 結果画面 */
  #screen-result {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 16px 20px;
    align-items: start;
  }

  #screen-result > h1,
  #screen-result > .result-buttons {
    grid-column: 1 / -1;
  }

  #screen-result > h1 {
    margin-bottom: 4px;
  }

  #screen-result > .result-card:nth-of-type(2) {
    grid-column: 1;
  }

  #result-wrong-section {
    grid-column: 2;
    grid-row: 2 / span 2;
    min-width: 0;
  }

  #screen-result .result-buttons {
    max-width: 620px;
    width: 100%;
    margin: 8px auto 0;
  }

  #screen-result .wrong-list {
    max-height: 540px;
    overflow-y: auto;
    padding-right: 4px;
  }

  .review-fab {
    right: max(28px, calc((100vw - 1040px) / 2 + 28px));
  }
}

/* ---------- トップ以降の画面をダッシュボードUIに統一 ---------- */
body.dashboard-theme {
  background:
    radial-gradient(circle at 15% 10%, rgba(31, 126, 214, 0.2), transparent 34%),
    radial-gradient(circle at 88% 88%, rgba(20, 184, 166, 0.1), transparent 30%),
    #06152f;
}

body.dashboard-theme:not(.top-active) .app {
  background: linear-gradient(180deg, #071b3b 0%, #082b59 58%, #0a3a70 100%);
}

body.dashboard-theme:not(.top-active) .study-header {
  min-height: 58px;
  padding: 12px 16px;
  color: #fff;
  background: rgba(3, 17, 43, 0.7);
  border: 1px solid rgba(125, 190, 255, 0.16);
  border-radius: 14px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.12);
}

body.dashboard-theme .group-card,
body.dashboard-theme .review-option-btn,
body.dashboard-theme .level-section,
body.dashboard-theme .card,
body.dashboard-theme .result-card,
body.dashboard-theme .wrong-card,
body.dashboard-theme #level-detail-list {
  color: #fff;
  background: rgba(255, 255, 255, 0.075);
  border: 1px solid rgba(125, 190, 255, 0.22);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
}

body.dashboard-theme .group-card:hover,
body.dashboard-theme .review-option-btn:hover:not(:disabled) {
  border-color: #27baff;
  background: rgba(37, 145, 235, 0.16);
}

body.dashboard-theme .group-card-count,
body.dashboard-theme .group-card-rate,
body.dashboard-theme .level-empty,
body.dashboard-theme .level-word-ja,
body.dashboard-theme .group-start-desc,
body.dashboard-theme .result-card-title,
body.dashboard-theme .count-label,
body.dashboard-theme .wrong-card .w-ja,
body.dashboard-theme .w-example,
body.dashboard-theme .stat-row span {
  color: rgba(225, 239, 255, 0.66);
}

body.dashboard-theme .progress-bar-track {
  background: rgba(255, 255, 255, 0.14);
}

body.dashboard-theme .progress-bar-fill {
  background: linear-gradient(90deg, #1687ff, #22c5ff);
}

body.dashboard-theme .study-progress-track {
  background: rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  overflow: hidden;
}

body.dashboard-theme .instruction-banner {
  color: #dff5ff;
  background: rgba(22, 135, 255, 0.22);
  border: 1px solid rgba(39, 186, 255, 0.24);
}

body.dashboard-theme .instruction-banner + .card {
  border-top-color: rgba(39, 186, 255, 0.16);
}

body.dashboard-theme .question-text,
body.dashboard-theme .group-start-name,
body.dashboard-theme .stat-row strong,
body.dashboard-theme .wrong-card .w-en,
body.dashboard-theme .level-word-en {
  color: #fff;
}

body.dashboard-theme .pos-tag,
body.dashboard-theme .pos-tag-sm {
  color: #bceaff;
  background: rgba(22, 135, 255, 0.22);
}

body.dashboard-theme .btn-speak,
body.dashboard-theme .btn-star,
body.dashboard-theme .speak-btn {
  color: #7bd9ff;
  background: rgba(22, 135, 255, 0.2);
}

body.dashboard-theme .choice-btn,
body.dashboard-theme .btn-secondary {
  color: #eef7ff;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(125, 190, 255, 0.24);
}

body.dashboard-theme .choice-btn:hover {
  border-color: #27baff;
  background: rgba(37, 145, 235, 0.16);
}

body.dashboard-theme .choice-btn.correct {
  color: #ff9fc2;
  background: rgba(214, 51, 108, 0.2);
  border-color: #ef6da0;
}

body.dashboard-theme .choice-btn.wrong {
  color: #9edcff;
  background: rgba(28, 126, 214, 0.22);
  border-color: #4eb7f2;
}

body.dashboard-theme .group-card.selected {
  background: rgba(37, 145, 235, 0.2);
  border-color: #27baff;
}

body.dashboard-theme .btn-secondary.btn-danger {
  color: #fff;
  background: #b91c1c;
  border-color: #dc2626;
}

body.dashboard-theme #answer-input {
  color: #fff;
  background: rgba(7, 34, 72, 0.68);
  border-color: #1aa9ed;
  outline: none;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 8px 24px rgba(0, 0, 0, 0.12);
  backdrop-filter: blur(10px);
}

body.dashboard-theme #answer-input::placeholder {
  color: rgba(235, 246, 255, 0.72);
}

body.dashboard-theme #answer-input:focus {
  background: rgba(8, 43, 88, 0.82);
  border-color: #35c7ff;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 0 0 3px rgba(34, 184, 255, 0.16),
    0 10px 28px rgba(0, 0, 0, 0.16);
}

body.dashboard-theme .feedback {
  border-top-color: rgba(255, 255, 255, 0.14);
}

body.dashboard-theme #feedback-example {
  color: rgba(225, 239, 255, 0.72);
}

body.dashboard-theme .count-pill {
  color: #dff6ff;
  background: rgba(22, 135, 255, 0.28);
}

body.dashboard-theme .result-count-item {
  border: 1px solid rgba(255, 255, 255, 0.08);
}

body.dashboard-theme .count-correct { background: rgba(214, 51, 108, 0.18); }
body.dashboard-theme .count-ambiguous { background: rgba(247, 190, 36, 0.16); }
body.dashboard-theme .count-wrong { background: rgba(28, 126, 214, 0.2); }
body.dashboard-theme .count-struggling { background: rgba(156, 54, 181, 0.2); }

body.dashboard-theme .result-message {
  color: #dff5ff;
  background: rgba(22, 135, 255, 0.18);
}

body.dashboard-theme .level-word-row,
body.dashboard-theme .w-example {
  border-color: rgba(255, 255, 255, 0.1);
}

body.dashboard-theme .review-sub {
  color: rgba(225, 239, 255, 0.72);
}

body.dashboard-theme .review-option-btn:disabled {
  color: rgba(225, 239, 255, 0.42);
  background: rgba(255, 255, 255, 0.035);
}

@media (min-width: 640px) {
  body.dashboard-theme:not(.top-active) .app {
    background: linear-gradient(135deg, #071b3b 0%, #082b59 55%, #0a3a70 100%);
  }

  body.dashboard-theme:not(.top-active) .group-card,
  body.dashboard-theme:not(.top-active) .review-option-btn {
    padding: 20px 22px;
  }
}

/* ---------- トップ画面：開始アクションとモードタブ ---------- */
.dashboard-actions {
  margin-bottom: 12px;
  padding: 16px;
  color: #fff;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(125, 190, 255, 0.23);
  border-radius: 16px;
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.12);
}

.continue-study-info {
  margin-bottom: 9px;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.66);
}

.dashboard-action-primary,
.dashboard-action-secondary {
  border-radius: 11px;
  font-weight: bold;
  cursor: pointer;
}

/* ---------- 設定・公開情報 ---------- */
.header-icon-btn {
  width: 36px;
  padding-left: 0;
  padding-right: 0;
  font-size: 16px;
}

.legal-screen {
  width: min(100%, 960px);
  margin: 0 auto;
}

.settings-list {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.settings-row {
  width: 100%;
  min-height: 64px;
  padding: 17px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: #eef7ff;
  text-align: left;
  background: rgba(255, 255, 255, 0.075);
  border: 1px solid rgba(125, 190, 255, 0.22);
  border-radius: 15px;
}

button.settings-row { cursor: pointer; }
button.settings-row:hover { background: rgba(37, 145, 235, 0.18); border-color: #27baff; }
.settings-row strong { color: #8fdcff; font-weight: 600; text-align: right; }
.settings-static { cursor: default; }
.legal-card a { color: #72d6ff; overflow-wrap: anywhere; }

.settings-delete-btn {
  width: 100%;
  margin-top: 28px;
  padding: 15px;
  color: #ffb8c1;
  background: rgba(255, 70, 94, 0.08);
  border: 1px solid rgba(255, 112, 130, 0.35);
  border-radius: 13px;
}

.settings-note {
  margin: 10px 8px 0;
  color: rgba(235, 246, 255, 0.58);
  font-size: 12px;
  text-align: center;
}

.legal-card {
  margin-top: 24px;
  padding: clamp(22px, 4vw, 42px);
  color: rgba(239, 247, 255, 0.86);
  line-height: 1.85;
  background: rgba(255, 255, 255, 0.075);
  border: 1px solid rgba(125, 190, 255, 0.22);
  border-radius: 18px;
}

.legal-card h2 { margin: 26px 0 6px; color: #fff; font-size: 17px; }
.legal-card h2:first-of-type { margin-top: 12px; }
.legal-card p { margin: 0; }
.legal-updated { color: rgba(235, 246, 255, 0.58); font-size: 12px; }
.delete-account-box .login-input { margin-bottom: 12px; }
.btn-danger-solid { background: #c63e55; }
.btn-danger-solid:hover { background: #dc4a64; }

@media (max-width: 520px) {
  .app-header-user { gap: 5px; }
  .header-icon-btn { width: 32px; }
  .settings-row { min-height: 58px; padding: 14px 15px; }
  .legal-card { border-radius: 14px; font-size: 14px; }
}

.boot-splash {
  display: none;
}

body.app-booting {
  min-height: 100vh;
  background: linear-gradient(160deg, #071b3b 0%, #082b59 58%, #0a3a70 100%);
}

body.app-booting .app {
  visibility: hidden;
}

body.app-booting .boot-splash {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 24px;
  color: #fff;
}

.boot-splash-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.dashboard-action-primary {
  width: 100%;
  padding: 13px 16px;
  border: none;
  color: #fff;
  background: linear-gradient(90deg, #176fff, #21bfff);
}

.dashboard-action-primary:disabled,
.dashboard-action-secondary:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.dashboard-review-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.dashboard-review-row span,
.dashboard-review-row strong {
  display: block;
}

.dashboard-review-row span {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.62);
}

.dashboard-review-row strong { margin-top: 2px; font-size: 12px; }
.dashboard-review-row b { font-size: 18px; }

.dashboard-action-secondary {
  padding: 10px 14px;
  border: 1px solid rgba(66, 199, 255, 0.5);
  color: #dff6ff;
  background: rgba(22, 135, 255, 0.16);
}

.mode-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 7px;
}

#screen-top .mode-option {
  padding: 0;
}

#screen-top .mode-option input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
}

#screen-top .mode-option span {
  min-height: 48px;
  padding: 9px 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  border: 1px solid rgba(125, 190, 255, 0.22);
  border-radius: 10px;
  color: rgba(235, 246, 255, 0.72);
  background: rgba(255, 255, 255, 0.045);
}

#screen-top .mode-option input:checked + span {
  color: #fff;
  border-color: #29bfff;
  background: rgba(22, 135, 255, 0.3);
  box-shadow: inset 0 0 0 1px rgba(41, 191, 255, 0.12);
}

#screen-top .mode-option input:focus-visible + span {
  outline: 2px solid #6bd8ff;
  outline-offset: 2px;
}

@media (max-width: 390px) {
  #screen-top .mode-option span {
    min-height: 44px;
    padding: 7px 4px;
    font-size: 11px;
  }
}

/* ---------- ログイン画面：PC対応＋ダークガラスUI ---------- */
body.login-theme {
  background:
    radial-gradient(circle at 18% 14%, rgba(31, 126, 214, 0.22), transparent 34%),
    radial-gradient(circle at 84% 86%, rgba(20, 184, 166, 0.1), transparent 30%),
    #06152f;
}

body.login-theme .app {
  background: linear-gradient(160deg, #071b3b 0%, #082b59 58%, #0a3a70 100%);
}

body.login-theme .app-header,
body.login-theme .study-header {
  color: #fff;
  background: rgba(3, 17, 43, 0.72);
  border: 1px solid rgba(125, 190, 255, 0.16);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.14);
}

body.login-theme .login-card {
  color: #fff;
  background: rgba(255, 255, 255, 0.075);
  border: 1px solid rgba(125, 190, 255, 0.22);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.16);
}

body.login-theme .login-label {
  color: rgba(235, 246, 255, 0.76);
}

body.login-theme .review-sub {
  color: rgba(235, 246, 255, 0.72);
}

body.login-theme .login-input {
  -webkit-appearance: none;
  appearance: none;
  color: #fff;
  caret-color: #fff;
  background: rgba(7, 34, 72, 0.68);
  border-color: #1aa9ed;
  outline: none;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 8px 24px rgba(0, 0, 0, 0.12);
  backdrop-filter: blur(10px);
}

body.login-theme .login-input::placeholder {
  color: rgba(235, 246, 255, 0.58);
}

body.login-theme .login-input:focus {
  color: #fff;
  background: rgba(8, 43, 88, 0.82);
  border-color: #35c7ff;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 0 0 3px rgba(34, 184, 255, 0.16),
    0 10px 28px rgba(0, 0, 0, 0.16);
}

body.login-theme .login-profile-btn {
  color: #fff;
  background: rgba(255, 255, 255, 0.075);
  border: 1px solid rgba(125, 190, 255, 0.22);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.1);
}

body.login-theme .login-profile-btn:hover {
  color: #fff;
  background: rgba(37, 145, 235, 0.18);
  border-color: #27baff;
}

body.login-theme .login-forgot-link {
  color: #72d6ff;
}

body.login-theme .btn-secondary {
  color: #eef7ff;
  background: rgba(255, 255, 255, 0.075);
  border-color: rgba(125, 190, 255, 0.24);
}

body.login-theme .login-input:-webkit-autofill,
body.login-theme .login-input:-webkit-autofill:hover,
body.login-theme .login-input:-webkit-autofill:focus,
body.login-theme .login-input:-webkit-autofill:active {
  -webkit-text-fill-color: #fff;
  caret-color: #fff;
  border-color: #35c7ff;
  -webkit-box-shadow:
    0 0 0 1000px #082b59 inset,
    0 0 0 3px rgba(34, 184, 255, 0.16);
  box-shadow:
    0 0 0 1000px #082b59 inset,
    0 0 0 3px rgba(34, 184, 255, 0.16);
  transition: background-color 9999s ease-out 0s;
}

body.login-theme .login-input:autofill {
  color: #fff;
  caret-color: #fff;
  background: #082b59;
}

@media (min-width: 640px) {
  body.login-theme .app {
    width: 100%;
    max-width: none;
    min-height: 100vh;
    padding: 48px clamp(32px, 8vw, 140px) 80px;
  }

  body.login-theme .screen {
    width: min(100%, 760px);
    margin-left: auto;
    margin-right: auto;
  }

  body.login-theme .app-header {
    margin-top: -48px;
    padding: 22px 24px;
    border-radius: 0 0 16px 16px;
  }

  body.login-theme .login-card {
    max-width: 600px;
    padding: 34px 36px;
  }

  body.login-theme .login-add-btn {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    display: block;
  }
}

/* PC全画面表示：外枠は常にブラウザ幅いっぱい、内容だけ必要に応じて制限する */
@media (min-width: 640px) {
  body .app,
  body.top-active .app,
  body:not(.top-active) .app,
  body[data-screen^="login"] .app,
  body[data-screen="group-start"] .app,
  body[data-screen="study"] .app {
    width: 100%;
    max-width: none;
    min-height: 100vh;
    margin: 0;
  }

  body:not(.top-active) .app {
    padding-left: clamp(32px, 5vw, 96px);
    padding-right: clamp(32px, 5vw, 96px);
  }

  #screen-top {
    width: auto;
    min-height: 100vh;
    margin-left: -24px;
    margin-right: -24px;
    padding-left: clamp(32px, 5vw, 96px);
    padding-right: clamp(32px, 5vw, 96px);
  }

  #screen-top .app-header {
    margin-left: 0;
    margin-right: 0;
    padding-left: clamp(32px, 5vw, 96px);
    padding-right: clamp(32px, 5vw, 96px);
  }

  #screen-login,
  #screen-login-migrate,
  #screen-login-pin,
  #screen-login-reset,
  #screen-login-new,
  #screen-group-start,
  #screen-study {
    width: min(100%, 760px);
    margin-left: auto;
    margin-right: auto;
  }

  #screen-result {
    width: min(100%, 1280px);
    margin-left: auto;
    margin-right: auto;
  }

  .review-fab,
  #screen-top .review-fab {
    right: 32px;
  }
}