/* ==========================================================================
   KatakataLab - 年齢・和暦・西暦 早見表＆計算機 プレミアムCSS (style.css)
   ========================================================================== */

/* 全体フォントおよびカラーシステムの上書き（脱・丸文字・ポップ） */
body {
  font-family: 'Outfit', 'Inter', 'Noto Sans JP', sans-serif !important;
}

/* 独自のアニメーション・デザイン変数 */
.seireki-wrapper {
  --c-primary: #1E293B;        /* 知的ディープインディゴ */
  --c-primary-dark: #0F172A;   /* 極濃インディゴ */
  --c-accent: #06B6D4;         /* クリアシアン */
  --c-text: #1E293B;           /* 文字カラーコントラスト強化 */
  --c-text-light: #64748B;     /* サブ文字 */
  --c-bg: #F8FAFC;             /* プラチナグレー極薄背景 */
  --c-surface: #FFFFFF;
  --c-glass-bg: rgba(255, 255, 255, 0.7);
  --c-glass-border: rgba(226, 232, 240, 0.8);
  
  --c-warn: #FECB6E;
  --c-danger: #EF4444;
  --c-success: #10B981;
  --c-safe: #3B82F6;
  
  --radius-lg: 12px;           /* ソリッドな角丸 */
  --radius-md: 8px;
  --radius-btn: 6px;
  
  max-width: 1000px;
  margin: 0 auto;
  padding: 1.25rem var(--sp-sm);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* スリムツールヘッダー */
.seireki-tool-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: 60px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-glass-border);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
  transition: all 0.3s;
}

body.dark-mode .seireki-tool-header {
  background: rgba(15, 23, 42, 0.85);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.seireki-header-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--c-text);
  text-decoration: none;
  transition: color 0.2s;
}

.seireki-header-logo .logo-back {
  font-size: 0.85rem;
  color: var(--c-accent);
  margin-left: 0.75rem;
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: transform 0.2s;
}

.seireki-header-logo:hover .logo-back {
  transform: translateX(-3px);
  color: #0891b2;
}

/* メインエリア調整 */
.seireki-main-area {
  padding-top: 10px;
}

/* ツールヘッダータイトル */
.seireki-header {
  text-align: center;
  margin-bottom: 0.5rem;
}

.seireki-header h1 {
  font-size: 2.2rem;
  font-family: inherit;
  font-weight: 800;
  color: var(--c-primary);
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  text-shadow: 0 4px 10px rgba(30, 41, 59, 0.04);
}

.seireki-header p {
  color: var(--c-text-light);
  font-size: 0.95rem;
  margin: 0;
}

/* プレミアムタブナビゲーション */
.seireki-tab-nav-wrapper {
  display: flex;
  justify-content: center;
  width: 100%;
}

.seireki-tab-nav {
  display: inline-flex;
  background: var(--c-glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--c-glass-border);
  border-radius: 6px; /* 丸っこさからシャープに変更 */
  padding: 0.25rem;
  gap: 0.25rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
  max-width: 100%;
  overflow-x: auto;
  scrollbar-width: none;
}

.seireki-tab-nav::-webkit-scrollbar {
  display: none;
}

.seireki-tab-btn {
  background: transparent;
  border: none;
  border-radius: 4px; /* シャープに変更 */
  color: var(--c-text-light);
  font-weight: 700;
  min-height: 44px;
  padding: 0.35rem 1.25rem;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  white-space: nowrap;
}

.seireki-tab-btn:hover {
  color: var(--c-accent);
  background: rgba(6, 182, 212, 0.05);
}

body.dark-mode .seireki-tab-btn:hover {
  background: rgba(6, 182, 212, 0.1);
}

.seireki-tab-btn.active {
  background: var(--c-primary);
  color: white;
  box-shadow: 0 4px 10px rgba(30, 41, 59, 0.15);
}

/* メイン2カラム配置レイアウト */
.seireki-main-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 900px) {
  .seireki-main-layout {
    grid-template-columns: 1fr;
  }
}

.seireki-left-column,
.seireki-right-column {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  width: 100%;
}

/* タブコンテンツ制御 */
.seireki-tab-panel {
  display: none;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  width: 100%;
}

.seireki-tab-panel.active {
  display: flex;
  flex-direction: column;
  opacity: 1;
  transform: translateY(0);
}

/* フラットソリッドカード */
.seireki-card {
  background: var(--c-surface);
  border: 1px solid var(--c-glass-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.seireki-card:hover {
  border-color: rgba(6, 182, 212, 0.2);
  box-shadow: 0 10px 30px rgba(6, 182, 212, 0.03);
}

.seireki-card h2 {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--c-text);
  margin-top: 0;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  border-bottom: 2px solid rgba(6, 182, 212, 0.08);
  padding-bottom: 0.65rem;
}

/* 入力ラッパー */
.seireki-input-wrapper {
  position: relative;
  margin-bottom: 1.25rem;
}

.seireki-input-wrapper label {
  display: block;
  font-size: 0.9rem;
  color: var(--c-text-light);
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.seireki-input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.seireki-input {
  width: 100%;
  height: 52px;
  padding: 0.5rem 3rem 0.5rem 1rem;
  font-size: 1.15rem;
  font-family: inherit;
  font-weight: 700;
  border-radius: var(--radius-md);
  border: 2px solid var(--c-glass-border);
  background-color: rgba(255, 255, 255, 0.5);
  color: var(--c-text);
  transition: all 0.25s ease;
}

body.dark-mode .seireki-input {
  background-color: rgba(15, 23, 42, 0.5);
}

.seireki-input:focus {
  border-color: var(--c-accent);
  box-shadow: 0 0 0 4px rgba(6, 182, 212, 0.15);
  outline: none;
  background-color: var(--c-surface);
}

/* 入力クリアボタン */
.seireki-clear-btn {
  position: absolute;
  right: 12px;
  width: 40px; height: 40px;
  background: rgba(30, 41, 59, 0.06);
  color: var(--c-text-light);
  border-radius: 50%;
  border: none;
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  opacity: 0;
  pointer-events: none;
}

body.dark-mode .seireki-clear-btn {
  background: rgba(255, 255, 255, 0.06);
}

.seireki-clear-btn.visible {
  opacity: 1;
  pointer-events: auto;
}

.seireki-clear-btn:hover {
  background: var(--c-primary);
  color: white;
  transform: scale(1.05);
}

/* リアルタイム結果表示エリア */
.seireki-result-card {
  background: rgba(6, 182, 212, 0.02);
  border: 1px dashed rgba(6, 182, 212, 0.25);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  min-height: 120px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.3s ease;
}

.seireki-result-main {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--c-text);
  line-height: 1.2;
}

.seireki-result-main span.age {
  color: var(--c-accent);
  font-size: 2.6rem;
  text-shadow: 0 4px 12px rgba(6, 182, 212, 0.15);
}

.seireki-result-sub {
  color: var(--c-text-light);
  font-size: 0.9rem;
}

.seireki-result-error {
  color: var(--c-danger);
  font-weight: 700;
  font-size: 1.1rem;
}

/* コピーボタン */
.seireki-btn-container {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.25rem;
  min-height: 44px;
}

.seireki-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--c-surface);
  border: 2px solid var(--c-accent);
  color: var(--c-accent);
  padding: 0.55rem 1.35rem;
  border-radius: var(--radius-btn);
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.02);
  opacity: 0;
  transform: translateY(-5px);
  pointer-events: none;
}

.seireki-copy-btn.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.seireki-copy-btn:hover {
  background: var(--c-accent);
  color: white;
  box-shadow: 0 6px 15px rgba(6, 182, 212, 0.25);
  transform: translateY(-2px);
}

/* 早見表テーブルのスクロール固定化 */
.seireki-table-container {
  max-height: 410px;
  overflow-y: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--c-glass-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
  scrollbar-width: thin;
}

.seireki-table {
  width: 100%;
  border-collapse: collapse;
  text-align: center;
}

.seireki-table th,
.seireki-table td {
  padding: 0.85rem 0.65rem;
  border-bottom: 1px solid var(--c-glass-border);
  font-size: 0.92rem;
}

.seireki-table th {
  background-color: var(--c-bg);
  color: var(--c-primary);
  font-weight: 800;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.01);
}

.seireki-table tbody tr:hover {
  background-color: rgba(6, 182, 212, 0.03);
}

.seireki-table tr.current-year {
  background-color: rgba(16, 185, 129, 0.08) !important;
  font-weight: 700;
}

.seireki-table tr.current-year td {
  border-top: 1px solid rgba(16, 185, 129, 0.2);
  border-bottom: 1px solid rgba(16, 185, 129, 0.2);
}

.seireki-table .year-en {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
}

.seireki-table .age-highlight {
  color: var(--c-accent);
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.05rem;
}

/* 早生まれトグル */
.seireki-switch-wrapper {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1.25rem;
}

.seireki-checkbox {
  width: 18px;
  height: 18px;
  accent-color: var(--c-accent);
  cursor: pointer;
}

.seireki-switch-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--c-text);
  cursor: pointer;
}

/* 履歴書学歴計算グリッド */
.seireki-resume-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-top: 0.75rem;
  max-height: 380px;
  overflow-y: auto;
  padding-right: 0.25rem;
  scrollbar-width: thin;
}

.seireki-resume-item {
  background: rgba(255, 255, 255, 0.25);
  border: 1px solid var(--c-glass-border);
  border-radius: var(--radius-md);
  padding: 0.9rem 1.1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: all 0.2s ease;
}

body.dark-mode .seireki-resume-item {
  background: rgba(15, 23, 42, 0.15);
}

.seireki-resume-item:hover {
  border-color: var(--c-accent);
  background: var(--c-surface);
}

.seireki-resume-info {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.seireki-resume-label {
  font-size: 0.85rem;
  color: var(--c-text-light);
  font-weight: 700;
}

.seireki-resume-year {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--c-text);
}

.seireki-resume-copy-btn {
  background: transparent;
  border: 1px solid var(--c-glass-border);
  border-radius: 50%;
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.85rem;
}

.seireki-resume-copy-btn:hover {
  background: var(--c-accent);
  color: white;
  border-color: var(--c-accent);
}

/* 厄年・長寿お祝いデザイン */
.seireki-alert-card {
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  line-height: 1.6;
}

.seireki-alert-card.danger {
  background: rgba(239, 68, 68, 0.06);
  border-color: rgba(239, 68, 68, 0.2);
  color: #B91C1C;
}

.seireki-alert-card.warn {
  background: rgba(254, 203, 110, 0.06);
  border-color: rgba(254, 203, 110, 0.2);
  color: #c47f00;
}

.seireki-alert-card.info {
  background: rgba(59, 130, 246, 0.06);
  border-color: rgba(59, 130, 246, 0.2);
  color: #1D4ED8;
}

.seireki-alert-icon {
  font-size: 1.35rem;
  flex-shrink: 0;
}

.seireki-alert-body h3 {
  font-size: 1.05rem;
  font-weight: 800;
  margin-top: 0;
  margin-bottom: 0.25rem;
}

.seireki-alert-body p {
  margin: 0;
  font-size: 0.88rem;
  color: inherit;
  opacity: 0.9;
}

/* 厄年・長寿の2列レイアウト */
.seireki-life-split {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.seireki-badge-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 380px;
  overflow-y: auto;
  padding-right: 0.25rem;
  scrollbar-width: thin;
}

.seireki-badge-item {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid var(--c-glass-border);
  border-radius: var(--radius-md);
  padding: 0.65rem 0.9rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

body.dark-mode .seireki-badge-item {
  background: rgba(15, 23, 42, 0.1);
}

.seireki-badge-item.highlight-danger {
  border-color: rgba(239, 68, 68, 0.35);
  background: rgba(239, 68, 68, 0.04);
}

.seireki-badge-title {
  font-weight: 800;
  font-size: 0.9rem;
}

.seireki-badge-value {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--c-text-light);
}

.seireki-badge-value strong {
  color: var(--c-accent);
  font-size: 0.95rem;
}

/* アコーディオン式コラム装飾 (detailsタグ) */
.seireki-column-details {
  border: 1px solid var(--c-glass-border);
  background: var(--c-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 1.5rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.01);
}

.seireki-column-summary {
  cursor: pointer;
  padding: 1.1rem 1.5rem;
  font-weight: 800;
  font-size: 1rem;
  color: var(--c-primary);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(6, 182, 212, 0.02);
  user-select: none;
  outline: none;
}

.seireki-column-summary::-webkit-details-marker {
  display: none;
}

.seireki-column-details[open] .seireki-column-summary {
  border-bottom: 1px solid var(--c-glass-border);
}

.seireki-column-content {
  padding: 1.5rem;
  color: var(--c-text-light);
  line-height: 1.75;
  font-size: 0.92rem;
  animation: detailsSlideDown 0.3s ease;
}

@keyframes detailsSlideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.seireki-column-card p {
  margin-bottom: 1rem;
}

.seireki-column-card p:last-child {
  margin-bottom: 0;
}

/* スリムツールフッター */
.seireki-tool-footer {
  text-align: center;
  padding: 1.5rem 0;
  color: var(--c-text-light);
  font-size: 0.85rem;
  border-top: 1px solid var(--c-glass-border);
  margin-top: 2rem;
}

.seireki-footer-links {
  margin-bottom: 0.5rem;
}

.seireki-footer-links a {
  margin: 0 0.75rem;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
  color: var(--c-text-light);
  font-size: 0.85rem;
}

.seireki-footer-links a:hover {
  color: var(--c-accent);
}

/* スマホ対応 */
@media (max-width: 600px) {
  .seireki-tool-header {
    padding: 0 1rem;
  }
  
  .seireki-header h1 {
    font-size: 1.75rem;
  }
  
  .seireki-card {
    padding: 1.25rem 1rem;
  }
  
  .seireki-result-main {
    font-size: 1.8rem;
  }
  
  .seireki-result-main span.age {
    font-size: 2.1rem;
  }
}

/* ダークモードでの追加微調整 */
body.dark-mode {
  --c-bg: #0F172A;
  --c-surface: #1E293B;
  --c-text: #F8FAFC;
  --c-text-light: #94A3B8;
  --c-glass-border: rgba(51, 65, 85, 0.5);
  background-color: #0F172A;
}

body.dark-mode .seireki-table tbody tr:hover {
  background-color: rgba(6, 182, 212, 0.08);
}