/* =========================================================
   AIで一人個人事業の教科書 収支シミュレーター v1.0
   bizarch-design tone & manner
   - Electric Blue:  #0066FF (main accent)
   - Deep Purple:    #8A2BE2 (secondary accent)
   - Soft Coral:     #FF7A59 (accent for personal business warmth)
   - Background:     #FFFFFF + Blueprint grid
   - Text primary:   #111827 (gray-900)
   - Text secondary: #6B7280 (gray-500)
   - Border:         #F3F4F6 (gray-100), hover: rgba(0,102,255,0.20)
   Font: Noto Sans JP (300 / 400 / 500 / 700 / 900)
========================================================= */

/* ---------- Reset ---------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  font-size: 14px;
  color: #111827;
  background: #FFFFFF;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  height: 100%;
  overflow: hidden; /* page-scroll を撤廃、各カラム内部でスクロール */
}
body {
  display: flex;
  flex-direction: column;
}

/* ---------- Blueprint grid background ---------- */
.bg-blueprint {
  background-color: #FFFFFF;
  background-image:
    linear-gradient(rgba(0, 102, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 102, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  position: relative;
  min-height: 100vh;
}

/* ---------- Decorative gradient orbs ---------- */
.orb-wrap {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}
.orb {
  position: absolute;
  width: 24rem;
  height: 24rem;
  border-radius: 50%;
  filter: blur(60px);
  animation: pulse 4s ease-in-out infinite;
}
.orb-blue {
  background: rgba(0, 102, 255, 0.10);
  top: 25%;
  left: -8rem;
}
.orb-purple {
  background: rgba(138, 43, 226, 0.10);
  bottom: 25%;
  right: -8rem;
  animation-delay: 1s;
}
@keyframes pulse {
  0%, 100% { opacity: 0.6; }
  50%      { opacity: 1; }
}

/* ---------- Header ---------- */
.app-header {
  position: relative; /* body flex column 内で固定配置・stickyは不要 */
  flex-shrink: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid #F3F4F6;
}
.header-inner {
  max-width: 80rem;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.app-header h1 {
  font-weight: 900;
  font-size: 1.25rem;
  letter-spacing: 0.01em;
  color: #111827;
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.app-header h1 .hl {
  font-weight: 900;
  background: linear-gradient(to right, #0066FF, #8A2BE2);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.app-header .version {
  font-size: 0.75rem;
  color: #6B7280;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.header-eyebrow {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: #0066FF;
  text-transform: uppercase;
}

/* ---------- Main layout ---------- */
.container {
  max-width: 80rem;
  width: 100%;
  margin: 0 auto;
  padding: 24px;
  display: grid;
  grid-template-columns: minmax(320px, 1fr) 2fr;
  gap: 28px;
  align-items: stretch; /* 子要素を高さいっぱい */
  position: relative;
  z-index: 1;
  flex: 1; /* body flex の残り高を占有 */
  min-height: 0; /* flex子要素のheight計算に必須 */
  overflow: hidden; /* 内部のカラムでスクロール、container自体は固定 */
}

@media (max-width: 980px) {
  /* モバイルは page scroll を復活 */
  html, body {
    height: auto;
    overflow: auto;
  }
  body {
    display: block;
  }
  .container {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 24px 14px 60px;
    flex: none;
    overflow: visible;
    height: auto;
  }
  .input-panel,
  .output-panel {
    position: relative !important;
    top: auto !important;
    height: auto !important;
    max-height: none !important;
    overflow-y: visible !important;
  }
  .app-header h1 {
    font-size: 1.05rem;
  }
}

/* ---------- Left column: Input panel ---------- */
.input-panel {
  background: #FFFFFF;
  border: 1px solid #F3F4F6;
  border-radius: 1rem;
  padding: 28px;
  position: relative; /* container内のgridセル */
  height: 100%;
  max-height: 100%;
  overflow-y: auto;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.input-panel:hover {
  border-color: rgba(0, 102, 255, 0.20);
  box-shadow: 0 20px 25px -5px rgba(0, 102, 255, 0.05),
              0 8px 10px -6px rgba(0, 102, 255, 0.05);
}

.panel-title {
  font-weight: 900;
  font-size: 1.25rem;
  color: #111827;
  margin-bottom: 4px;
}
.panel-subtitle {
  font-size: 0.8rem;
  color: #6B7280;
  margin-bottom: 22px;
}
.panel-disclaimer {
  font-size: 0.74rem;
  color: #9CA3AF;
  margin-top: 16px;
  line-height: 1.5;
}
.panel-disclaimer a {
  color: #0066FF;
  text-decoration: none;
}
.panel-disclaimer a:hover {
  text-decoration: underline;
}

.form-section {
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid #F3F4F6;
}
.form-section:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0;
}

.form-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.9rem;
  color: #111827;
  margin-bottom: 10px;
}
.form-label .icon {
  width: 18px;
  height: 18px;
  color: #0066FF;
  flex-shrink: 0;
}
.form-label-inline {
  font-size: 0.82rem;
  color: #4B5563;
  font-weight: 500;
  flex: 1;
  min-width: 160px;
}

.form-control {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #E5E7EB;
  border-radius: 0.5rem;
  font-size: 0.95rem;
  background: #FFFFFF;
  color: #111827;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-control:focus {
  outline: none;
  border-color: transparent;
  box-shadow: 0 0 0 2px #0066FF;
}
.form-control.number-narrow {
  width: 110px;
  text-align: right;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  flex: 0 0 110px;
}
.form-control:disabled {
  background: #F9FAFB;
  color: #9CA3AF;
  cursor: not-allowed;
}

.slider-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.slider-row input[type="range"] {
  flex: 1;
  accent-color: #0066FF;
  height: 4px;
}

.form-help {
  font-size: 0.78rem;
  color: #6B7280;
  margin-top: 8px;
  line-height: 1.5;
}

/* Sub input rows (label inline) */
.sub-input-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
  flex-wrap: wrap;
}

/* ---------- Mode toggle (副業 / 専業) ---------- */
.mode-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: #F3F4F6;
  border-radius: 0.625rem;
  padding: 4px;
  margin-bottom: 6px;
}
.mode-btn {
  font-family: inherit;
  font-weight: 700;
  font-size: 0.92rem;
  padding: 10px 14px;
  border: none;
  border-radius: 0.5rem;
  background: transparent;
  color: #6B7280;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
  letter-spacing: 0.02em;
}
.mode-btn:hover {
  color: #111827;
}
.mode-btn.active {
  background: linear-gradient(to right, #0066FF, #8A2BE2);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(0, 102, 255, 0.25);
}

/* ---------- Radio / Checkbox ---------- */
.radio-group, .checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 4px;
}
.radio-item, .checkbox-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  color: #1F2937;
  cursor: pointer;
  padding: 6px 8px;
  border-radius: 0.5rem;
  transition: background 0.15s, color 0.15s;
}
.radio-item:hover, .checkbox-item:hover {
  background: rgba(0, 102, 255, 0.04);
  color: #0066FF;
}
.radio-item input, .checkbox-item input {
  accent-color: #0066FF;
  cursor: pointer;
  width: 16px;
  height: 16px;
}

/* ---------- Right column: Output panel ---------- */
.output-panel {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative; /* container内のgridセル */
  height: 100%;
  max-height: 100%;
  overflow-y: auto;
  padding-right: 4px;
}
/* Prevent flex-shrink from collapsing inner cards */
.output-panel > * {
  flex-shrink: 0;
}
/* Prevent scroll chaining to page (both columns) */
.input-panel,
.output-panel {
  overscroll-behavior: contain;
}
/* Custom scrollbar for output panel */
.output-panel::-webkit-scrollbar {
  width: 8px;
}
.output-panel::-webkit-scrollbar-track {
  background: transparent;
}
.output-panel::-webkit-scrollbar-thumb {
  background: rgba(0, 102, 255, 0.15);
  border-radius: 4px;
}
.output-panel::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 102, 255, 0.30);
}

/* ---------- Result card (main number) ---------- */
.result-card {
  position: relative;
  background: #FFFFFF;
  border: 1px solid #F3F4F6;
  border-radius: 1rem;
  padding: 36px 36px 32px;
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.result-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(0,102,255,0.25), rgba(138,43,226,0.25), rgba(255,122,89,0.25));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
          mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
}
.result-card:hover {
  box-shadow: 0 20px 25px -5px rgba(0, 102, 255, 0.08),
              0 8px 10px -6px rgba(138, 43, 226, 0.06);
}
.card-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: #0066FF;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.card-amount {
  font-weight: 900;
  font-size: 3.4rem;
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin-bottom: 18px;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(to right, #0066FF, #8A2BE2);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  transition: opacity 0.3s;
}
@media (max-width: 720px) {
  .card-amount { font-size: 2.4rem; }
  .result-card { padding: 24px 22px 22px; }
}
.card-breakdown {
  font-size: 0.92rem;
  color: #4B5563;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.card-breakdown b {
  color: #111827;
  font-weight: 800;
  font-size: 1.05rem;
  font-variant-numeric: tabular-nums;
  margin: 0 2px;
  transition: color 0.3s;
}
.card-breakdown .sep {
  color: #9CA3AF;
  font-weight: 300;
}
.card-meta {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid #F3F4F6;
  font-size: 0.82rem;
  color: #6B7280;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.card-meta #filing-label,
.card-meta #mode-label {
  font-weight: 700;
}
.card-meta #filing-label {
  color: #0066FF;
}
.card-meta #mode-label {
  color: #8A2BE2;
}

/* ---------- Warning area (6つの壁) ---------- */
.warning-area {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.warning-area:empty {
  display: none;
}
.warning-item {
  padding: 12px 16px;
  border-radius: 0.75rem;
  border: 1px solid;
  font-size: 0.86rem;
  font-weight: 500;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.warning-item .wlabel {
  font-weight: 800;
  flex-shrink: 0;
}
.warning-item.yellow {
  background: rgba(245, 158, 11, 0.08);
  color: #92400E;
  border-color: rgba(245, 158, 11, 0.25);
}
.warning-item.red {
  background: rgba(220, 38, 38, 0.08);
  color: #991B1B;
  border-color: rgba(220, 38, 38, 0.25);
}
.warning-item.green {
  background: rgba(16, 185, 129, 0.08);
  color: #065F46;
  border-color: rgba(16, 185, 129, 0.25);
}
.warning-item.blue {
  background: rgba(0, 102, 255, 0.08);
  color: #1E3A8A;
  border-color: rgba(0, 102, 255, 0.25);
}

/* ---------- Yayoi CTA area ---------- */
.yayoi-cta-area {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.yayoi-cta-area:empty {
  display: none;
}
.yayoi-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 20px;
  border-radius: 0.875rem;
  border: 1px solid rgba(255, 122, 89, 0.30);
  background: linear-gradient(135deg, rgba(255, 122, 89, 0.06), rgba(0, 102, 255, 0.06));
  text-decoration: none;
  color: #111827;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  flex-wrap: wrap;
}
.yayoi-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px -8px rgba(255, 122, 89, 0.25);
  border-color: rgba(255, 122, 89, 0.5);
}
.yayoi-cta .cta-text {
  flex: 1;
  min-width: 200px;
}
.yayoi-cta .cta-label {
  font-weight: 800;
  font-size: 0.98rem;
  margin-bottom: 2px;
  color: #111827;
}
.yayoi-cta .cta-sub {
  font-size: 0.78rem;
  color: #6B7280;
}
.yayoi-cta .cta-arrow {
  font-weight: 800;
  color: #FF7A59;
  font-size: 1.1rem;
}

/* ---------- Section title ---------- */
.section-title {
  font-weight: 800;
  font-size: 1.25rem;
  color: #111827;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-title .icon {
  width: 22px;
  height: 22px;
  color: #0066FF;
}
.section-eyebrow {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: #0066FF;
  text-transform: uppercase;
  margin-bottom: 6px;
}

/* ---------- P&L card section ---------- */
.pl-section {
  background: #FFFFFF;
  border: 1px solid #F3F4F6;
  border-radius: 1rem;
  padding: 28px 30px;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.pl-section:hover {
  border-color: rgba(0, 102, 255, 0.20);
  box-shadow: 0 20px 25px -5px rgba(0, 102, 255, 0.05),
              0 8px 10px -6px rgba(0, 102, 255, 0.05);
}
.pl-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 720px) {
  .pl-grid {
    grid-template-columns: 1fr;
  }
  .pl-section {
    padding: 22px 18px;
  }
}
.pl-card {
  background: #FFFFFF;
  border: 1px solid #F3F4F6;
  border-radius: 0.75rem;
  padding: 20px 22px;
  transition: border-color 0.3s;
}
.pl-card:hover {
  border-color: rgba(0, 102, 255, 0.2);
}
.pl-card-title {
  font-size: 1rem;
  font-weight: 800;
  color: #111827;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid #F3F4F6;
  display: flex;
  align-items: center;
  gap: 8px;
}
.pl-card-title::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 16px;
  border-radius: 2px;
  background: linear-gradient(to bottom, #0066FF, #8A2BE2);
}
.pl-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
}
.pl-table td {
  padding: 6px 10px;
  border-bottom: 1px solid #F9FAFB;
}
.pl-table td:first-child {
  color: #4B5563;
}
.pl-table td.num {
  text-align: right;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  color: #111827;
  transition: color 0.3s;
}
.pl-table td.num.minus {
  color: #DC2626;
}
.pl-table .row-bold td {
  font-weight: 800;
  background: rgba(0, 102, 255, 0.04);
  color: #111827;
  border-top: 1px solid rgba(0, 102, 255, 0.15);
}
.pl-table .row-bold td:first-child {
  color: #0066FF;
}
.pl-table .row-highlight td {
  font-weight: 900;
  font-size: 0.98rem;
  background: linear-gradient(to right, rgba(0,102,255,0.06), rgba(138,43,226,0.06));
  border-top: 2px solid;
  border-image: linear-gradient(to right, #0066FF, #8A2BE2) 1;
}
.pl-table .row-highlight td:first-child {
  color: #0066FF;
}
.pl-table .row-highlight td.num {
  background: linear-gradient(to right, #0066FF, #8A2BE2);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 1.08rem;
}

/* ---------- Houjin (法人成り) section ---------- */
.houjin-section {
  display: none; /* JS で必要時に表示 */
}
.houjin-section.show {
  display: block;
}
.houjin-card {
  background: linear-gradient(135deg, rgba(0,102,255,0.05), rgba(138,43,226,0.05));
  border: 1px solid rgba(138, 43, 226, 0.25);
  border-radius: 1rem;
  padding: 28px 30px;
  position: relative;
  overflow: hidden;
}
.houjin-text {
  font-size: 0.9rem;
  color: #4B5563;
  line-height: 1.7;
  margin-bottom: 16px;
}
.houjin-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  background: linear-gradient(to right, #0066FF, #8A2BE2);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: 0.625rem;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  letter-spacing: 0.02em;
}
.houjin-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px -8px rgba(0, 102, 255, 0.40);
}

/* ---------- Page footer ---------- */
.page-footer {
  margin-top: 12px;
  font-size: 0.78rem;
  color: #6B7280;
  background: #FFFFFF;
  border: 1px solid #F3F4F6;
  border-radius: 0.75rem;
  padding: 18px 22px;
  line-height: 1.6;
}
.page-footer a {
  color: #0066FF;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s;
}
.page-footer a:hover {
  color: #8A2BE2;
  text-decoration: underline;
}

/* ---------- Site footer (legacy minimal style — common.css の variant に置き換え済み、未使用) ----- */
/* Removed: .site-footer base override — common.css の .site-footer--minimal を使用 */

/* ---------- Smooth number transitions ---------- */
.card-amount,
.card-breakdown b,
.pl-table td.num {
  transition: color 0.3s ease, background-color 0.3s ease;
}

/* ============================================================
   Mobile readability boost (font-size minimum 12px → 13-14px)
   Lighthouse fix: 37% legible → ~95%+ on mobile
============================================================ */
@media (max-width: 768px) {
  body { font-size: 15px; }
  .panel-subtitle, .form-help, .form-help-inline,
  .section-eyebrow, .panel-eyebrow,
  .header-eyebrow, .version,
  .breakdown-row, .breakdown-label, .breakdown-value,
  .tax-bracket-meta, .tax-bracket-rate,
  .houjin-text, .panel-note, .ssn-tag,
  .tax-detail-mute, .meta-mute,
  .form-label-inline, .panel-meta {
    font-size: 13px !important;
    line-height: 1.7;
  }
  /* テーブル系の数字も最低13pxに */
  .breakdown-table td, .breakdown-table th { font-size: 13px; }
  /* その他のスモール文 */
  .form-help { font-size: 12.5px; }
  /* 日本語文章はもっと大きく */
  .panel-subtitle, .panel-note, .houjin-text { font-size: 14px !important; }
}