/* ═══════════════════════════════════════════════
   九星気学バイオリズム — style.css
   スマホ最適化・タイムラインカード型デザイン
   カラーテーマ：深夜の星空（紺×金×白）
═══════════════════════════════════════════════ */

/* ─── CSS 変数 ─────────────────────────────── */
.kyusei-app {
  --bg:          #0d1b2a;
  --bg-card:     #162032;
  --bg-card2:    #1c2a3d;
  --gold:        #d4a843;
  --gold-light:  #f0c96a;
  --white:       #f0eff0;
  --muted:       #8a9ab5;
  --past-tint:   #1a1f2e;
  --present-bg:  #1a2f1a;
  --present-bdr: #4caf50;
  --future-tint: #1e1a2e;
  --accent-red:  #e74c3c;
  --accent-blue: #4a9fd4;
  --radius:      14px;
  --shadow:      0 4px 24px rgba(0,0,0,.5);
  --font-jp:     'Noto Serif JP', 'Hiragino Mincho ProN', serif;
  --font-sans:   'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;

  font-family: var(--font-sans);
  background:  var(--bg);
  color:       var(--white);
  max-width:   600px;
  margin:      0 auto;
  padding:     0 0 60px;
  box-sizing:  border-box;
}

*, *::before, *::after { box-sizing: inherit; }

/* ─── フォームセクション ─────────────────────── */
.kyusei-form-section {
  padding: 32px 20px 20px;
}

.kyusei-form-card {
  background:    var(--bg-card);
  border-radius: var(--radius);
  border:        1px solid rgba(212,168,67,.25);
  box-shadow:    var(--shadow);
  overflow:      hidden;
}

.kyusei-form-header {
  background:  linear-gradient(160deg, #1a2e40 0%, #0d1b2a 100%);
  padding:     36px 24px 28px;
  text-align:  center;
  border-bottom: 1px solid rgba(212,168,67,.15);
}

.kyusei-stars-deco {
  color:        var(--gold);
  font-size:    18px;
  letter-spacing: 6px;
  margin-bottom: 12px;
  opacity: .8;
}

.kyusei-form-title {
  font-family:  var(--font-jp);
  font-size:    26px;
  font-weight:  600;
  margin:       0 0 10px;
  line-height:  1.4;
  color:        var(--white);
}
.kyusei-form-title span {
  font-size:    20px;
  color:        var(--gold-light);
}

.kyusei-form-subtitle {
  font-size:   13px;
  color:       var(--muted);
  margin:      0;
  line-height: 1.8;
}

.kyusei-form-body {
  padding: 28px 20px;
}

.kyusei-label {
  display:     block;
  font-size:   13px;
  color:       var(--muted);
  margin-bottom: 10px;
  letter-spacing: .05em;
}

.kyusei-date-row {
  display:     flex;
  gap:         10px;
  align-items: center;
  margin-bottom: 20px;
}

.kyusei-date-group {
  display:     flex;
  align-items: center;
  gap:         6px;
  flex:        1;
}

.kyusei-date-group:first-child { flex: 2; }

.kyusei-input {
  width:         100%;
  padding:       12px 14px;
  background:    rgba(255,255,255,.06);
  border:        1.5px solid rgba(255,255,255,.12);
  border-radius: 10px;
  color:         var(--white);
  font-size:     16px;
  font-family:   var(--font-sans);
  text-align:    center;
  transition:    border-color .2s;
  -webkit-appearance: none;
}
.kyusei-input:focus {
  outline:       none;
  border-color:  var(--gold);
  background:    rgba(212,168,67,.08);
}
.kyusei-input::placeholder { color: rgba(255,255,255,.25); }

.kyusei-date-unit {
  font-size:     13px;
  color:         var(--muted);
  white-space:   nowrap;
}

.kyusei-error {
  background:    rgba(231,76,60,.15);
  border:        1px solid rgba(231,76,60,.4);
  border-radius: 8px;
  color:         #fc9393;
  font-size:     13px;
  padding:       10px 14px;
  margin-bottom: 16px;
}

.kyusei-btn-main {
  width:         100%;
  padding:       16px;
  background:    linear-gradient(135deg, #b8880e 0%, #d4a843 50%, #f0c96a 100%);
  border:        none;
  border-radius: var(--radius);
  color:         #1a0e00;
  font-family:   var(--font-jp);
  font-size:     17px;
  font-weight:   700;
  cursor:        pointer;
  transition:    transform .15s, box-shadow .15s;
  letter-spacing: .05em;
  box-shadow:    0 4px 20px rgba(212,168,67,.35);
}
.kyusei-btn-main:active {
  transform:  translateY(1px);
  box-shadow: 0 2px 10px rgba(212,168,67,.2);
}
.kyusei-btn-main:disabled { opacity: .6; cursor: wait; }

.kyusei-note {
  font-size:   11px;
  color:       var(--muted);
  text-align:  center;
  margin:      12px 0 0;
}

/* ─── 結果セクション ─────────────────────────── */
.kyusei-result-section {
  padding: 0 0 20px;
}

/* ─── 本命星・月命星バッジ ─────────────────────── */
.kyusei-stars-header {
  display:        grid;
  grid-template-columns: 1fr 1fr;
  gap:            12px;
  padding:        24px 16px 8px;
}

.kyusei-star-badge {
  border-radius: var(--radius);
  overflow:      hidden;
  border:        1px solid rgba(255,255,255,.1);
}

.kyusei-badge-inner {
  background:  linear-gradient(160deg, var(--bg-card2), var(--bg));
  padding:     20px 14px 16px;
  text-align:  center;
  border-left: 4px solid var(--star-color, #d4a843);
  height:      100%;
}

.kyusei-badge-label {
  font-size:     11px;
  color:         var(--muted);
  letter-spacing: .1em;
  margin-bottom: 6px;
}

.kyusei-badge-emoji {
  font-size:     32px;
  display:       block;
  margin-bottom: 6px;
}

.kyusei-badge-name {
  font-family:   var(--font-jp);
  font-size:     14px;
  font-weight:   700;
  color:         var(--gold-light);
  margin-bottom: 6px;
  line-height:   1.4;
}

.kyusei-badge-analogy {
  font-size:     11px;
  color:         var(--white);
  opacity:       .8;
  line-height:   1.5;
  margin-bottom: 8px;
}

.kyusei-badge-sublabel {
  font-size:     10px;
  color:         var(--muted);
  border-top:    1px solid rgba(255,255,255,.08);
  padding-top:   8px;
}

/* ─── タイムライン ──────────────────────────── */
.kyusei-timeline-head {
  padding:    20px 20px 8px;
  text-align: center;
}

.kyusei-timeline-title {
  font-family:  var(--font-jp);
  font-size:    18px;
  font-weight:  600;
  margin:       0 0 4px;
  color:        var(--white);
}

.kyusei-timeline-sub {
  font-size:  12px;
  color:      var(--muted);
  margin:     0;
}

.kyusei-timeline {
  padding:    8px 16px;
  display:    flex;
  flex-direction: column;
  gap:        10px;
}

/* ─── タイムラインカード ─────────────────────── */
.kyusei-card {
  background:    var(--bg-card);
  border-radius: var(--radius);
  border:        1px solid rgba(255,255,255,.08);
  padding:       16px;
  position:      relative;
  transition:    box-shadow .2s;
}

.kyusei-card--past {
  background:   var(--past-tint);
  opacity:      .75;
  border-color: rgba(255,255,255,.05);
}

.kyusei-card--present {
  background:    var(--present-bg);
  border:        2px solid var(--present-bdr);
  box-shadow:    0 0 24px rgba(76,175,80,.2);
  opacity:       1;
}

.kyusei-card--future {
  background:   var(--future-tint);
  border-color: rgba(212,168,67,.15);
}

.kyusei-card-era-badge {
  position:      absolute;
  top:           12px;
  right:         12px;
  font-size:     11px;
  color:         var(--muted);
  background:    rgba(255,255,255,.07);
  border-radius: 20px;
  padding:       3px 10px;
}
.kyusei-card--present .kyusei-card-era-badge {
  background: rgba(76,175,80,.25);
  color:      #8ce896;
}

.kyusei-card-head {
  display:     flex;
  align-items: center;
  gap:         10px;
  margin-bottom: 8px;
  padding-right: 70px;
}

.kyusei-card-year {
  font-family:  var(--font-jp);
  font-size:    22px;
  font-weight:  700;
  color:        var(--gold-light);
  white-space:  nowrap;
}
.kyusei-card--past .kyusei-card-year { color: var(--muted); }

.kyusei-card-stage-icon {
  font-size: 20px;
}

.kyusei-card-stage {
  font-size:   13px;
  font-weight: 600;
  color:       var(--white);
}

/* レベルドット */
.kyusei-card-level {
  display:      flex;
  gap:          5px;
  margin-bottom: 8px;
}

.kyusei-dot {
  width:         10px;
  height:        10px;
  border-radius: 50%;
  background:    rgba(255,255,255,.12);
}
.kyusei-dot--on {
  background: var(--gold);
  box-shadow: 0 0 6px rgba(212,168,67,.5);
}
.kyusei-card--present .kyusei-dot--on {
  background: #4caf50;
  box-shadow: 0 0 6px rgba(76,175,80,.6);
}

.kyusei-card-short {
  font-size:   13px;
  color:       var(--white);
  opacity:     .85;
  line-height: 1.7;
  margin-bottom: 10px;
}

/* 詳細展開 */
.kyusei-card-detail {
  border-top:  1px solid rgba(255,255,255,.08);
  padding-top: 14px;
  margin-top:  2px;
  margin-bottom: 10px;
}

.kyusei-card-detail p {
  font-size:   13px;
  line-height: 1.85;
  color:       rgba(240,239,240,.85);
  margin:      0 0 12px;
}

.kyusei-card-tips {
  display:               grid;
  grid-template-columns: 1fr 1fr;
  gap:                   10px;
}

.kyusei-tips-do,
.kyusei-tips-dont {
  background:    rgba(255,255,255,.04);
  border-radius: 8px;
  padding:       10px;
}

.kyusei-tips-head {
  font-size:     11px;
  font-weight:   700;
  margin-bottom: 6px;
  color:         var(--white);
}

.kyusei-card-tips ul {
  margin:        0;
  padding-left:  16px;
}

.kyusei-card-tips li {
  font-size:   11px;
  color:       rgba(240,239,240,.75);
  line-height: 1.7;
}

.kyusei-card-expand {
  display:       block;
  width:         100%;
  padding:       8px;
  background:    rgba(255,255,255,.05);
  border:        1px solid rgba(255,255,255,.1);
  border-radius: 8px;
  color:         var(--muted);
  font-family:   var(--font-sans);
  font-size:     12px;
  cursor:        pointer;
  transition:    background .15s;
}
.kyusei-card-expand:hover,
.kyusei-card-expand:active {
  background: rgba(255,255,255,.1);
  color:      var(--white);
}

/* ─── 戻るボタン ─────────────────────────────── */
.kyusei-back-wrap {
  padding:   16px 16px 0;
  text-align: center;
}

.kyusei-btn-back {
  background:    transparent;
  border:        1.5px solid rgba(255,255,255,.2);
  border-radius: var(--radius);
  color:         var(--muted);
  font-family:   var(--font-sans);
  font-size:     14px;
  padding:       12px 24px;
  cursor:        pointer;
  transition:    border-color .15s, color .15s;
}
.kyusei-btn-back:hover {
  border-color: var(--gold);
  color:        var(--gold-light);
}

/* ─── 専門用語リンク ─────────────────────────── */
.kyusei-term {
  color:           var(--gold-light);
  border-bottom:   1px dashed rgba(240,201,106,.5);
  cursor:          pointer;
  text-decoration: none;
}
.kyusei-term:focus {
  outline:       2px solid var(--gold);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ─── ミニモーダル ────────────────────────────── */
.kyusei-modal {
  position:        fixed;
  inset:           0;
  z-index:         9999;
  display:         flex;
  align-items:     center;
  justify-content: center;
  padding:         20px;
}

.kyusei-modal-backdrop {
  position: absolute;
  inset:    0;
  background: rgba(0,0,0,.7);
  backdrop-filter: blur(4px);
}

.kyusei-modal-box {
  position:      relative;
  z-index:       1;
  background:    var(--bg-card2);
  border:        1px solid rgba(212,168,67,.4);
  border-radius: var(--radius);
  padding:       24px 20px 20px;
  max-width:     340px;
  width:         100%;
  box-shadow:    0 8px 40px rgba(0,0,0,.7);
}

.kyusei-modal-title {
  font-family:   var(--font-jp);
  font-size:     16px;
  font-weight:   700;
  color:         var(--gold-light);
  margin-bottom: 12px;
  line-height:   1.5;
}

.kyusei-modal-body {
  font-size:   14px;
  line-height: 1.8;
  color:       rgba(240,239,240,.9);
  margin-bottom: 20px;
}

.kyusei-modal-close {
  display:       block;
  width:         100%;
  padding:       10px;
  background:    rgba(255,255,255,.07);
  border:        1px solid rgba(255,255,255,.15);
  border-radius: 8px;
  color:         var(--muted);
  font-family:   var(--font-sans);
  font-size:     13px;
  cursor:        pointer;
  transition:    background .15s;
}
.kyusei-modal-close:hover { background: rgba(255,255,255,.13); }

/* ─── レスポンシブ ───────────────────────────── */
@media (max-width: 380px) {
  .kyusei-card-year     { font-size: 19px; }
  .kyusei-card-tips     { grid-template-columns: 1fr; }
  .kyusei-stars-header  { grid-template-columns: 1fr; }
}

@media (min-width: 600px) {
  .kyusei-form-section  { padding: 40px 40px 24px; }
  .kyusei-timeline      { padding: 8px 24px; }
}