:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-dark: #f7f7f7;
  --text-main: #111111;
  --text-strong: #111111;
  --text-muted: #444444;
  --text-light: #666666;
  --border: #cccccc;
  --border-dark: #999999;
  --accent: #111111;
  --accent-hover: #333333;
  --gold: #444444;
  --max-width: 1160px;
  --font-sans: 'BIZ UDPGothic', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; border-radius: 0; }
*::before, *::after { border-radius: 0; }
img { border-radius: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  font-family: var(--font-sans);
  color: var(--text-strong);
  font-weight: 700;
}

strong {
  color: var(--text-strong);
  font-weight: 700;
}

a { color: inherit; text-decoration: none; transition: all 0.25s ease; }
p { margin: 0 0 1.4em; }
p:last-child { margin-bottom: 0; }

.container {
  width: min(calc(100% - 48px), var(--max-width));
  margin: 0 auto;
}

/* ==============================
   スキップナビゲーション
============================== */
.skip-nav {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 100;
  background: var(--text-strong);
  color: #fff;
  padding: 8px 16px;
  font-size: 0.88rem;
  font-weight: 700;
  font-family: var(--font-sans);
  transition: top 0.2s;
}

.skip-nav:focus {
  top: 8px;
}

/* ==============================
   ヘッダー
============================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  gap: 2px;
}

.brand-name {
  font-family: var(--font-sans);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-strong);
}

.brand-sub {
  font-size: 0.62rem;
  font-weight: 400;
  color: var(--text-light);
  letter-spacing: 0.1em;
  font-family: var(--font-sans);
}

.nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav a {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  transition: color 0.2s ease;
}

.nav a:hover { color: var(--text-strong); }

.nav a.nav-pawa {
  color: var(--text-strong);
  border: 1px solid var(--border-dark);
  padding: 6px 16px;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.nav a.nav-pawa:hover {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 24px;
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  letter-spacing: 0.04em;
  font-family: var(--font-sans);
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  border: 1px solid var(--accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #ffffff;
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--border-dark);
}

.btn-outline:hover {
  background: var(--surface);
  border-color: var(--text-muted);
}

/* ==============================
   ヒーローセクション
============================== */
.hero {
  padding: 120px 0 96px;
}

.hero-content {
  max-width: 720px;
}

.eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 14px;
  letter-spacing: 0.12em;
  font-family: var(--font-sans);
}

.eyebrow::before {
  content: "";
  display: block;
  width: 28px;
  height: 1px;
  background: var(--text-light);
}

.hero-title {
  font-family: var(--font-sans);
  font-size: clamp(2.6rem, 6vw, 5rem);
  line-height: 1.2;
  margin-bottom: 28px;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--text-strong);
  white-space: nowrap;
}

.hero-lead {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  font-weight: 400;
  line-height: 1.8;
  color: var(--text-muted);
  max-width: 28em;
  font-family: var(--font-sans);
}

.hero-sublead {
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.8;
  color: var(--text-muted);
  margin-top: 14px;
  font-family: var(--font-sans);
  max-width: 34em;
}

.hero-cta {
  margin-top: 56px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
}

.hero-cta .btn-primary {
  height: 56px;
  padding: 0 40px;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.cta-note {
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--text-light);
  font-family: var(--font-sans);
  margin: 0;
  letter-spacing: 0.04em;
}

/* 旧hero-notice系（互換残し・非表示） */
.hero-notice,
.notice-label,
.notice-text,
.btn-notice {
  display: none;
}

.notice-beta {
  display: inline-block;
  padding: 2px 8px;
  background: #111111;
  color: #ffffff;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.5;
}

.notice-text h3 {
  font-family: var(--font-sans);
  font-size: 1rem;
  margin-bottom: 6px;
  color: var(--text-strong);
  font-weight: 700;
}

.notice-text p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin: 0;
  font-family: var(--font-sans);
}

.btn-notice {
  background: #111111;
  color: #ffffff;
  border: none;
  font-weight: 700;
  border-radius: 0;
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-notice:hover {
  background: #333333;
  color: #ffffff;
}

/* ==============================
   実績バンド
============================== */
.metrics-band {
  background: #ffffff;
  padding: 64px 0 !important;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.metrics-band .container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.metric-band-item {
  text-align: center;
  padding: 8px 24px;
}

.metric-band-item + .metric-band-item {
  border-left: 1px solid var(--border);
}

.metric-band-value {
  display: block;
  font-family: var(--font-sans);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-strong);
  letter-spacing: 0.01em;
  margin-bottom: 10px;
  line-height: 1.2;
}

.metric-band-label {
  display: block;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  font-family: var(--font-sans);
}

/* ==============================
   共通レイアウト
============================== */
section {
  padding: 108px 0;
  border-bottom: 1px solid var(--border);
}

.section-corporate {
  background: var(--surface);
  border-bottom: none;
  border-top: 1px solid var(--border);
}

.grid-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 64px;
  align-items: start;
}

.section-index {
  position: sticky;
  top: 96px;
}

.section-kicker {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 16px;
  letter-spacing: 0.14em;
  font-family: var(--font-sans);
}

.section-title {
  font-family: var(--font-sans);
  font-size: 1.8rem;
  line-height: 1.5;
  color: var(--text-strong);
  font-weight: 700;
}

.section-desc {
  margin-top: 20px;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  font-family: var(--font-sans);
}

.section-body {
  padding-top: 4px;
}

/* ==============================
   Aboutセクション
============================== */
.about-heading {
  font-family: var(--font-sans);
  font-size: clamp(1.5rem, 2.8vw, 2rem);
  font-weight: 700;
  line-height: 1.6;
  color: var(--text-strong);
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}

.about-body {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 2;
  font-family: var(--font-sans);
}

.about-body p {
  margin-bottom: 1.6em;
}

/* ==============================
   サービスセクション
============================== */
.service-highlight {
  font-family: var(--font-sans);
  font-size: clamp(1.5rem, 2.8vw, 2rem);
  line-height: 1.6;
  margin-bottom: 28px;
  color: var(--text-strong);
  font-weight: 700;
}

.service-text {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 38em;
  margin-bottom: 56px;
  line-height: 1.9;
  font-family: var(--font-sans);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--border-dark);
}

.feature-item {
  padding: 32px 28px 32px 0;
  border-right: 1px solid var(--border);
}

.feature-item:last-child {
  border-right: none;
  padding-right: 0;
}

.feature-item:nth-child(2) {
  padding-left: 28px;
}

.feature-item:nth-child(3) {
  padding-left: 28px;
}

.feature-number {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.14em;
  margin-bottom: 14px;
  font-family: var(--font-sans);
}

.feature-item strong {
  display: block;
  font-family: var(--font-sans);
  font-size: 1rem;
  margin-bottom: 12px;
  font-weight: 700;
}

.feature-item p {
  font-size: 1rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.85;
  font-family: var(--font-sans);
}

.pawa-follow {
  margin-top: 48px;
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.9;
  font-family: var(--font-sans);
}

.feature-link {
  color: var(--text-muted);
  text-decoration: underline;
  font-size: 0.9rem;
}

.feature-status {
  margin-top: 12px;
  font-size: 0.78rem;
  color: var(--text-light);
  letter-spacing: 0.04em;
}

.feature-status a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.feature-status a:hover {
  color: var(--text-strong);
}

.pawa-cta-row {
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.pawa-cta-row .cta-note {
  margin-top: 18px;
}

.pawa-cta-row .btn-primary {
  background: #111111;
  color: #ffffff;
  border: none;
  font-weight: 700;
  height: 56px;
  padding: 0 40px;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  border-radius: 0;
}

.pawa-cta-row .btn-primary:hover {
  background: #333333;
}

/* ==============================
   運営情報セクション
============================== */
.profile-box {
  padding: 44px;
  background: #fff;
  border: 1px solid var(--border);
  margin-bottom: 48px;
}

.profile-title {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  margin-bottom: 20px;
  color: var(--text-strong);
  font-weight: 700;
}

.profile-text {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.95;
  margin-bottom: 0;
  font-family: var(--font-sans);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--border);
  padding-top: 32px;
}

.metric-item {
  padding-right: 32px;
  border-right: 1px solid var(--border);
}

.metric-item:last-child {
  border-right: none;
  padding-right: 0;
  padding-left: 32px;
}

.metric-item:nth-child(2) {
  padding-left: 32px;
}

.metric-label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-light);
  margin-bottom: 10px;
  letter-spacing: 0.04em;
  font-family: var(--font-sans);
}

.metric-value {
  display: block;
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-strong);
}

.company-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 1rem;
  font-family: var(--font-sans);
}

.company-table tr {
  border-bottom: 1px solid var(--border);
}

.company-table tr:first-child {
  border-top: 1px solid var(--border);
}

.company-table th {
  width: 200px;
  padding: 20px 24px 20px 0;
  font-weight: 700;
  color: var(--text-strong);
  vertical-align: top;
  text-align: left;
  white-space: nowrap;
}

.company-table td {
  padding: 20px 0;
  color: var(--text-muted);
  vertical-align: top;
  line-height: 1.8;
}

.table-sub {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-left: 12px;
}

/* ==============================
   フッター
============================== */
.site-footer {
  background: var(--text-strong);
  color: #ffffff;
  padding: 72px 0 48px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  padding-bottom: 48px;
}

.footer-brand .brand-name {
  font-size: 1.4rem;
  color: #ffffff;
}

.footer-brand .brand-sub {
  color: #6c6c60;
}

.footer-nav {
  display: flex;
  gap: 36px;
}

.footer-nav a {
  font-size: 0.88rem;
  font-weight: 700;
  color: #7c7c70;
  letter-spacing: 0.04em;
}

.footer-nav a:hover {
  color: #ffffff;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: #4c4c44;
  font-family: var(--font-sans);
}

.footer-legal a {
  color: #4c4c44;
  margin-right: 24px;
}

.footer-legal a:hover {
  color: #7c7c70;
}

/* ==============================
   アニメーション
============================== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-content > * {
  animation: fadeUp 0.8s ease both;
}

.eyebrow { animation-delay: 0.1s; }
.hero-title { animation-delay: 0.2s; }
.hero-lead { animation-delay: 0.35s; }
.hero-sublead { animation-delay: 0.45s; }
.hero-cta { animation-delay: 0.55s; }

/* ==============================
   レスポンシブ
============================== */
@media (max-width: 992px) {
  .grid-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .section-index {
    position: static;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .feature-item {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 24px 0;
  }
  .feature-item:nth-child(2),
  .feature-item:nth-child(3) {
    padding-left: 0;
  }
  .hero-notice {
    flex-direction: column;
    align-items: flex-start;
  }
  .metrics-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .metric-item {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 0 0 24px;
  }
  .metric-item:last-child {
    border-bottom: none;
    padding-left: 0;
  }
  .metric-item:nth-child(2) {
    padding-left: 0;
  }
  .metrics-band .container {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .metric-band-item + .metric-band-item {
    border-left: none;
    border-top: 1px solid var(--border);
    padding-top: 32px;
  }
  .hero-cta {
    margin-top: 40px;
  }
}

@media (max-width: 768px) {
  section { padding: 72px 0; }
  .hero { padding: 80px 0 56px; }
  .nav { display: none; }
  .profile-box { padding: 28px; }
  .founding-quotes { padding: 28px; }
  .company-table th,
  .company-table td {
    display: block;
    width: 100%;
  }
  .company-table th {
    padding-bottom: 4px;
    border-bottom: none;
    white-space: normal;
  }
  .company-table td {
    padding-top: 0;
    padding-bottom: 20px;
  }
  .table-sub {
    display: block;
    margin-left: 0;
    margin-top: 4px;
  }
  .footer-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 36px;
  }
  .footer-nav {
    flex-direction: column;
    gap: 16px;
  }
  .hero-notice {
    padding: 28px;
  }
}

.brand-logo {
  display: block;
  width: 80px;
  height: auto;
}

.pawa-logo {
  display: block;
  height: 42px;
  width: auto;
  max-width: 100%;
}
