:root {
  --bg-color: #fcfbf8;
  --bg-subtle: #f5f4ed;
  --bg-card: #ffffff;
  --text-main: #181a19;
  --text-muted: #535a55;
  --text-light: #7b857e;
  --border-color: #e2dfd5;
  --border-dark: #c8c5b9;
  --accent-color: #0b57d0;
  --accent-hover: #0842a0;
  --accent-soft: #e8f0fe;
  --success-color: #0f7b49;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "BIZ UDPGothic", Meiryo, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", Consolas, monospace;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.04), 0 1px 4px rgba(0, 0, 0, 0.02);
  --shadow-float: 0 12px 32px rgba(0, 0, 0, 0.07), 0 2px 6px rgba(0, 0, 0, 0.03);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color 0.15s ease, opacity 0.15s ease;
}

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
  text-underline-offset: 3px;
}

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent-color);
  outline-offset: 3px;
}

/* レイアウト */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ヘッダー */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(252, 251, 248, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-color);
  padding: 14px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-main);
}

.header-brand:hover {
  text-decoration: none;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-tag {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 7px;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.92rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-links a {
  color: var(--text-muted);
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--text-main);
  text-decoration: none;
}

.header-powered {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-left: 18px;
  border-left: 1px solid var(--border-color);
}

.header-powered .powered-label {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-light);
  white-space: nowrap;
}

.header-powered a {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: opacity 0.15s ease;
}

.header-powered a:hover {
  opacity: 0.75;
  text-decoration: none;
}

.header-powered img {
  height: 26px;
  width: auto;
  display: block;
}

/* ボタン群 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 650;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none !important;
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--text-main);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
}

.btn-primary:hover {
  background-color: #2e3330;
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.btn-large {
  padding: 16px 36px;
  font-size: 1.15rem;
  border-radius: var(--radius-lg);
}

.btn-link {
  font-weight: 600;
  color: var(--accent-color);
  padding: 10px 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-link:hover {
  text-decoration: none;
  transform: translateX(2px);
}

/* ① ファーストビュー */
.hero-section {
  padding: 64px 0 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: start;
}

.hero-content {
  max-width: 600px;
}

.hero-intro {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-muted);
  margin: 0 0 8px;
}

.hero-hate {
  font-size: clamp(3rem, 7.5vw, 4.6rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1.1;
  color: var(--text-main);
  margin: 0 0 24px;
}

.hero-catch {
  font-size: clamp(1.2rem, 2.5vw, 1.45rem);
  line-height: 1.55;
  color: var(--text-main);
  margin: 0 0 20px;
}

.hero-desc {
  font-size: 1.08rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin: 0 0 24px;
}

.hero-oss-banner {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--text-main);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  margin-bottom: 32px;
  font-size: 0.95rem;
}

.hero-oss-banner strong {
  display: block;
  font-size: 1.02rem;
  margin-bottom: 2px;
  color: var(--text-main);
}

.hero-oss-banner span {
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.hero-note {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text-light);
  margin: 0;
}

/* ヒーロー右側：クイックレポートプレビューカード */
.hero-card-container {
  position: sticky;
  top: 100px;
}

.report-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 24px 26px;
  box-shadow: var(--shadow-float);
  font-family: var(--font-sans);
  position: relative;
  overflow: hidden;
}

.report-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: repeating-linear-gradient(90deg, #181a19, #181a19 8px, transparent 8px, transparent 12px);
}

.card-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--border-dark);
}

.card-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-light);
  background-color: var(--bg-subtle);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-bottom: 4px;
}

.card-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0;
  color: var(--text-main);
}

.card-meta-tag {
  font-size: 0.72rem;
  color: #946c00;
  background: #fff8e6;
  border: 1px solid #f0dfa8;
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.card-cfp-display {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 16px 0 8px;
}

.cfp-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.cfp-number {
  font-family: var(--font-mono);
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1;
  color: var(--text-main);
}

.cfp-unit {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-muted);
}

.card-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--success-color);
  background-color: #ebf7f0;
  border: 1px solid #b7e4c7;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
}

.card-status::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--success-color);
}

.card-qa-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
  margin-bottom: 20px;
}

.qa-item dt {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 2px;
}

.qa-item dd {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  margin: 0;
  line-height: 1.45;
}

.qa-item dd code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  background-color: var(--bg-subtle);
  padding: 2px 6px;
  border-radius: 4px;
}

.card-link-more {
  display: block;
  text-align: center;
  padding: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-color);
  border-top: 1px dashed var(--border-color);
}

/* ② 共感セクション */
.empathy-section {
  padding: 72px 0;
  background-color: var(--bg-card);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.empathy-heading {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.35;
  margin: 0 0 32px;
}

.empathy-heading .sub {
  display: block;
  font-size: 0.8em;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 6px;
}

.empathy-body {
  font-size: 1.12rem;
  line-height: 2;
  color: var(--text-muted);
}

.empathy-body p {
  margin: 0 0 20px;
}

.empathy-highlight {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.6;
  border-left: 4px solid var(--accent-color);
  padding-left: 18px;
  margin: 32px 0 !important;
}

.empathy-theme-box {
  margin-top: 40px;
  padding: 20px 24px;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  text-align: center;
}

.empathy-theme-text {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text-main);
  margin: 0;
}

/* ③ サンプルカードセクション */
.sample-section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 16px;
  line-height: 1.3;
}

.section-header p {
  font-size: 1.08rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.7;
}

.sample-sheet {
  background-color: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 760px;
  margin: 0 auto;
  box-shadow: var(--shadow-card);
  position: relative;
}

.sheet-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--text-main);
  margin-bottom: 28px;
}

.sheet-brand-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sheet-logo {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--text-light);
}

.sheet-title {
  font-size: 1.35rem;
  font-weight: 800;
  margin: 0;
  color: var(--text-main);
}

.sheet-tag-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.sheet-tag {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
}

.sheet-tag.warning {
  background-color: #fff9eb;
  border-color: #fae1a0;
  color: #8c6400;
}

.sheet-summary-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 32px;
  padding-bottom: 28px;
  border-bottom: 1px dashed var(--border-dark);
  margin-bottom: 24px;
}

.summary-metric {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.summary-metric .metric-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 8px;
}

.summary-metric .metric-val-wrap {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.summary-metric .big-number {
  font-family: var(--font-mono);
  font-size: 4rem;
  font-weight: 900;
  line-height: 1;
  color: var(--text-main);
}

.summary-metric .unit {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-muted);
}

.summary-breakdown-list {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
}

.breakdown-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.breakdown-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-light);
  min-width: 120px;
  line-height: 1.4;
}

.breakdown-content {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.4;
}

.breakdown-content code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  background-color: var(--bg-subtle);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

/* アコーディオン内訳 */
.breakdown-accordion {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: #faf9f5;
  margin-bottom: 24px;
  overflow: hidden;
}

.breakdown-accordion summary {
  padding: 14px 20px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-color);
  cursor: pointer;
  background-color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  transition: background-color 0.15s ease;
}

.breakdown-accordion summary::-webkit-details-marker {
  display: none;
}

.breakdown-accordion summary:hover {
  background-color: var(--bg-subtle);
}

.breakdown-accordion summary .toggle-icon {
  font-size: 0.8rem;
  transition: transform 0.2s ease;
}

.breakdown-accordion[open] summary .toggle-icon {
  transform: rotate(180deg);
}

.accordion-body {
  padding: 20px;
  border-top: 1px solid var(--border-color);
  font-size: 0.88rem;
}

.process-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
}

.process-table th, .process-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.process-table th {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-light);
  background-color: #f1efea;
}

.process-table td {
  font-size: 0.86rem;
}

.process-table tr:last-child td {
  border-bottom: none;
}

.tag-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
}

.tag-entry { background: #e3f2fd; color: #0d47a1; }
.tag-exit { background: #fce4ec; color: #880e4f; }
.tag-read { background: #e8f5e9; color: #1b5e20; }
.tag-write { background: #fff3e0; color: #e65100; }

.future-callout {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px dashed var(--border-dark);
}

.future-callout h4 {
  font-size: 1rem;
  font-weight: 800;
  margin: 0 0 6px;
  color: var(--text-main);
}

.future-callout p {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0;
}

/* ④ 導入セクション */
.usage-section {
  padding: 80px 0;
  background-color: var(--bg-card);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.step-card {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
}

.step-number {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--accent-color);
  margin-bottom: 12px;
}

.step-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  margin: 0 0 8px;
  color: var(--text-main);
}

.step-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.65;
}

/* プロンプトボックス */
.prompt-box {
  background-color: #1c201e;
  border-radius: var(--radius-md);
  padding: 24px 28px;
  color: #f7f9f8;
  margin-bottom: 32px;
  box-shadow: var(--shadow-card);
}

.prompt-box-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.prompt-box-title {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #9da6a0;
  text-transform: uppercase;
}

.copy-btn {
  background-color: #2e3532;
  color: #e2e8e5;
  border: 1px solid #454f4a;
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.copy-btn:hover {
  background-color: #3f4844;
  color: #ffffff;
}

.prompt-text {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.65;
  margin: 0;
  color: #ffffff;
}

.usage-cta-row {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.usage-cta-row .btn {
  margin-bottom: 16px;
}

.usage-disclaimer {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.6;
  margin: 0;
}

/* ⑤ 根拠セクション */
.mechanism-section {
  padding: 80px 0;
}

.mechanism-lead {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 40px;
}

.mechanism-manifesto {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.7;
  margin: 28px 0;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.pillar-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-top: 3px solid var(--text-main);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
}

.pillar-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  margin: 0 0 12px;
  color: var(--text-main);
}

.pillar-card p {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin: 0;
}

.mechanism-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.tag-link {
  font-size: 0.92rem;
  font-weight: 600;
  padding: 8px 18px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: var(--shadow-sm);
}

.tag-link:hover {
  background-color: var(--bg-subtle);
  border-color: var(--border-dark);
  text-decoration: none;
}

/* ⑥ FAQセクション */
.faq-section {
  padding: 80px 0;
  background-color: var(--bg-subtle);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq-item summary {
  padding: 20px 24px;
  font-size: 1.05rem;
  font-weight: 750;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  transition: background-color 0.15s ease;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary:hover {
  background-color: #fcfbf9;
}

.faq-item summary .faq-icon {
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--text-light);
  transition: transform 0.2s ease;
}

.faq-item[open] summary .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 24px 20px;
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--text-muted);
}

.faq-answer p {
  margin: 0;
}

/* ⑦ 最後のCTA */
.cta-section {
  padding: 100px 0 90px;
  text-align: center;
  background-color: var(--bg-color);
}

.cta-box {
  max-width: 680px;
  margin: 0 auto;
}

.cta-box h2 {
  font-size: clamp(2rem, 5vw, 2.7rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  margin: 0 0 20px;
  line-height: 1.25;
}

.cta-lead {
  font-size: 1.3rem;
  font-weight: 750;
  color: var(--text-main);
  line-height: 1.6;
  margin-bottom: 24px;
}

.cta-body {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 36px;
}

.cta-button-wrap {
  margin-bottom: 32px;
}

.cta-feedback {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.6;
  margin: 0;
}

/* フッター */
.site-footer {
  background-color: var(--bg-subtle);
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 64px 0 40px;
  font-size: 0.9rem;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.footer-brand-col {
  max-width: 380px;
}

.footer-brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 0 0 6px;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0 0 24px;
}

.footer-powered {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 12px;
}

.footer-powered .powered-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-light);
}

.footer-corp-logo {
  display: inline-block;
  transition: opacity 0.15s ease, transform 0.15s ease;
  width: fit-content;
}

.footer-corp-logo:hover {
  opacity: 0.75;
  transform: translateY(-1px);
  text-decoration: none;
}

.footer-corp-logo img {
  height: 46px;
  width: auto;
  display: block;
}

.footer-links-col {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.footer-nav-group h4 {
  font-size: 0.82rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-main);
  margin: 0 0 14px;
}

.footer-nav-group ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav-group a {
  color: var(--text-muted);
  font-size: 0.88rem;
}

.footer-nav-group a:hover {
  color: var(--text-main);
  text-decoration: underline;
}

.footer-bottom {
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font-size: 0.8rem;
  color: var(--text-light);
  flex-wrap: wrap;
}

/* トースト通知 */
.toast-msg {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background-color: #181a19;
  color: #ffffff;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: 0 6px 20px rgba(0,0,0,0.25);
  pointer-events: none;
  opacity: 0;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1000;
}

.toast-msg.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* レスポンシブ対応 */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-card-container {
    position: static;
  }

  .steps-grid, .pillars-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .sheet-summary-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .footer-top {
    flex-direction: column;
    gap: 32px;
  }
}

@media (max-width: 640px) {
  .header-inner {
    flex-wrap: wrap;
    gap: 8px 12px;
  }

  .nav-links {
    gap: 12px;
    font-size: 0.85rem;
  }

  .header-powered {
    padding-left: 8px;
    gap: 6px;
    margin-left: auto;
  }

  .header-powered .powered-label {
    display: none;
  }

  .header-powered img {
    height: 18px;
  }

  .sample-sheet {
    padding: 24px 16px;
  }

  .hero-hate {
    font-size: 2.8rem;
  }

  .hero-section {
    padding: 36px 0 48px;
  }

  .prompt-box {
    padding: 18px;
  }

  .prompt-text {
    font-size: 0.95rem;
  }

  .sheet-title {
    font-size: 1.15rem;
  }

  .breakdown-row {
    flex-direction: column;
    gap: 4px;
  }

  .breakdown-label {
    min-width: unset;
  }
}