/* ==========================================================
   診断画面 スタイル
   ========================================================== */
.app-bg { background: var(--teal-tint); min-height: 100vh; }

.page-head { padding: 36px 0 8px; text-align: center; }
.page-head h1 { font-size: clamp(22px, 3vw, 30px); font-weight: 900; color: var(--teal-dark); }
.page-head p { font-size: 14px; font-weight: 700; color: var(--ink-soft); margin-top: 6px; }

.app-wrap { padding: 24px 0 72px; }
.app-shell {
  background: #fff; border-radius: 24px; box-shadow: var(--shadow-pop);
  padding: 24px; display: flex; flex-direction: column; gap: 18px;
}

.metric-tabs {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 4px;
  background: #EDF3F4; border-radius: 12px; padding: 4px;
}
.metric-tabs button {
  padding: 11px 0; border-radius: 9px; font-size: 14.5px; font-weight: 800;
  color: var(--ink-faint); transition: background .15s, color .15s;
}
.metric-tabs button.on { background: var(--teal); color: #fff; box-shadow: 0 3px 8px rgba(31,168,155,.3); }

.app-columns { display: grid; grid-template-columns: 250px minmax(0, 1fr) 235px; gap: 20px; align-items: start; }

.compare-box { border-top: 1.5px dashed var(--line); padding-top: 16px; }
.compare-toggle {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 800; color: var(--teal-dark); white-space: nowrap;
  padding: 9px 20px; border: 2px dashed var(--teal); border-radius: var(--radius-pill);
  background: var(--teal-tint); transition: background .15s;
}
.compare-toggle:hover { background: var(--teal-soft); }
.compare-form {
  margin-top: 14px; display: none;
  background: #FFF8EE; border: 1.5px solid #F3E3C4; border-radius: 14px; padding: 16px;
}
.compare-form.open { display: block; }
.compare-form .row { display: grid; grid-template-columns: repeat(5, 1fr) auto; gap: 12px; align-items: end; }
.compare-form h4 { font-size: 14px; font-weight: 800; color: #B08A2E; margin-bottom: 12px; }
.compare-form .remove {
  font-size: 12.5px; font-weight: 800; color: var(--coral);
  padding: 9px 14px; border-radius: 9px; background: var(--coral-soft);
}
.legend-compare { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 700; color: #B08A2E; }
.legend-compare i { width: 12px; height: 12px; border-radius: 50%; background: #F49E42; }

.advice {
  background: var(--cream); border: 1.5px solid #F3E8C8; border-radius: 14px;
  padding: 14px 18px; font-size: 13.5px; font-weight: 700; color: #8A6D26; line-height: 1.7;
}
.advice b { color: #B08A2E; }

.export-buttons {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px;
}
.pdf-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 8px; border-radius: var(--radius-pill);
  background: linear-gradient(180deg, var(--coral), var(--coral-dark)); color: #fff;
  font-size: 13px; font-weight: 800; box-shadow: 0 5px 12px rgba(227,84,74,.3);
  transition: transform .15s;
}
.pdf-btn:hover { transform: translateY(-1px); }
.pdf-btn svg { width: 16px; height: 16px; }
.export-csv {
  background: linear-gradient(180deg, #10b981, #059669);
  box-shadow: 0 5px 12px rgba(16,185,129,.3);
}
.export-copy {
  background: linear-gradient(180deg, #3b82f6, #2563eb);
  box-shadow: 0 5px 12px rgba(59,130,246,.3);
}
.back-link { display: block; text-align: center; margin-top: 22px; font-size: 14px; font-weight: 800; color: var(--teal-dark); }

.measured-note { font-size: 11.5px; font-weight: 700; color: var(--ink-faint); text-align: center; }

@media (max-width: 1024px) {
  .app-columns { grid-template-columns: 230px minmax(0,1fr); }
  .summary-panel { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .summary-panel h4, .summary-panel .sum-note, .summary-panel .advice, .summary-panel .pdf-btn, .export-buttons { grid-column: 1 / -1; }
  .export-buttons { grid-template-columns: 1fr 1fr 1fr; }
}
@media (max-width: 760px) {
  .app-shell { padding: 16px; }
  .metric-tabs { grid-template-columns: repeat(3, 1fr); }
  .metric-tabs button:nth-child(n+4) { grid-column: span 1; }
  .metric-tabs { grid-auto-rows: 1fr; }
  .app-columns { grid-template-columns: 1fr; }
  .summary-panel { grid-template-columns: 1fr; }
  .compare-form .row { grid-template-columns: 1fr 1fr; }
  .export-buttons { grid-template-columns: 1fr 1fr; gap: 6px; }
  .export-buttons .pdf-btn { padding: 9px 6px; font-size: 12px; }
  .export-buttons .export-copy { grid-column: 1 / -1; }
}

@media print {
  .site-header, .metric-tabs, .compare-toggle, .export-buttons, .back-link, .panel .submit, .page-head p { display: none !important; }
  .app-bg { background: #fff; }
  .app-shell { box-shadow: none; border: 1px solid #ccc; padding: 12px; }
  .app-columns { grid-template-columns: 1fr 1fr; }
  body { font-size: 12px; }
  .print-head { display: block !important; }
  .pdf-btn { display: none !important; }
}
.print-head { display: none; text-align: center; font-size: 13px; font-weight: 800; color: var(--ink-soft); }

/* ツールチップ・ヘルプアイコン */
.help-icon {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, #E2F4F1, #D4EFE9);
  color: var(--teal-dark);
  font-size: 12px; font-weight: 900;
  cursor: help;
  position: relative;
  margin-left: 6px;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  border: 1.5px solid var(--teal);
  box-shadow: 0 2px 6px rgba(31, 168, 155, 0.1);
}
.help-icon:hover {
  background: linear-gradient(135deg, #1FA89B, #14897E);
  color: #fff;
  transform: scale(1.15);
  box-shadow: 0 4px 12px rgba(31, 168, 155, 0.3);
}
.help-icon:active { transform: scale(0.98); }

/* M2: フォームUI改善 - 入力フィールドのバリデーション表示 */
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field label {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ink);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
}
.field label .required-badge {
  font-size: 13px;
  font-weight: 900;
  color: #dc2626;
  margin-left: -2px;
}
.field label .opt {
  font-size: 10px;
  font-weight: 700;
  color: #999;
  background: #f5f5f5;
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 4px;
}

input[type="number"], input[type="text"], select {
  padding: 12px;
  border: 1.5px solid #ddd;
  border-radius: 8px;
  font-family: inherit;
  font-size: 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
  background: #fafafa;
}
.range-input {
  width: 100%;
  margin-top: 8px;
  cursor: pointer;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: linear-gradient(to right, #D4EFE9 0%, #1FA89B 50%, #1FA89B 100%);
  border-radius: 3px;
  outline: none;
}
.range-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal-dark), var(--teal));
  border: 2px solid #fff;
  box-shadow: 0 2px 6px rgba(31, 168, 155, 0.3);
  cursor: pointer;
  transition: transform 0.2s;
}
.range-input::-webkit-slider-thumb:hover {
  transform: scale(1.1);
}
.range-input::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal-dark), var(--teal));
  border: 2px solid #fff;
  box-shadow: 0 2px 6px rgba(31, 168, 155, 0.3);
  cursor: pointer;
  transition: transform 0.2s;
}
.range-input::-moz-range-thumb:hover {
  transform: scale(1.1);
}
.range-input::-moz-range-track {
  background: transparent;
  border: none;
}
input[type="number"]:focus, input[type="text"]:focus, select:focus {
  outline: none;
  border-color: var(--teal);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(31, 168, 155, 0.1);
}

select[aria-invalid="true"] {
  border-color: #dc2626;
  background-image: linear-gradient(#fff, #fef2f2);
}
select[aria-invalid="true"]:focus {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

/* M2: バリデーション状態の表示 */
input[aria-invalid="true"] {
  border-color: #dc2626;
  background: #fef2f2;
}
input[aria-invalid="true"]:focus {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
  border-color: #dc2626;
}
input:invalid {
  border-color: #dc2626;
}
/* エラーメッセージのスタイル */
#heightError:not([style*="display:none"]),
#weightError:not([style*="display:none"]),
#cmpHeightError:not([style*="display:none"]),
#cmpWeightError:not([style*="display:none"]) {
  display: block !important;
  padding: 8px 10px;
  margin-top: 6px;
  background: #fef2f2;
  border-left: 3px solid #dc2626;
  border-radius: 4px;
}

.sex-toggle {
  display: flex;
  gap: 8px;
}
.sex-toggle button {
  flex: 1;
  padding: 11px 12px;
  border: 1.5px solid #ddd;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ink-soft);
  background: #fafafa;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
  cursor: pointer;
}
.sex-toggle button:hover {
  border-color: var(--teal);
  background: var(--teal-tint);
}
.sex-toggle button.on-boy,
.sex-toggle button.on-girl {
  border-color: var(--teal);
  background: var(--teal-soft);
  color: var(--teal-dark);
  font-weight: 800;
}

/* M2: フォーム送信ボタン改善 */
.form-panel .submit {
  width: 100%;
  padding: 14px 16px;
  border: none;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 800;
  background: linear-gradient(180deg, #1FA89B, #14897E);
  color: #fff;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 4px 12px rgba(31, 168, 155, 0.2);
}
.form-panel .submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(31, 168, 155, 0.3);
}
.form-panel .submit:active {
  transform: translateY(0);
}

/* M2: 無効状態のボタンスタイル（バリデーション失敗時） */
.form-panel .submit[aria-invalid="true"] {
  background: linear-gradient(180deg, #f5f5f5, #e8e8e8);
  color: #999;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}