/* ═══════════════════════════════════════════
   BUSINESS PAGE — クリーン・プロフェッショナル・信頼感世界観
════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700;900&family=Noto+Serif+JP:wght@400;700&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --biz-navy:    #0f2744;
  --biz-navy2:   #1a3a5c;
  --biz-gold:    #c9a227;
  --biz-gold2:   #e8c55a;
  --biz-bg:      #ffffff;
  --biz-bg2:     #f8f9fb;
  --biz-bg3:     #f0f4f8;
  --biz-line:    #e2e8f0;
  --biz-text:    #0f2744;
  --biz-text2:   #4a6080;
  --biz-radius:  12px;
}

html { scroll-behavior: smooth; }

body.biz-body {
  font-family: 'Noto Sans JP', sans-serif;
  background: var(--biz-bg);
  color: var(--biz-text);
  overflow-x: hidden;
}

/* ─── HEADER ─── */
.biz-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 60px;
  height: 68px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--biz-line);
}

.biz-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--biz-text);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.05em;
}
.biz-brand-mark {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  background: var(--biz-navy);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  border-radius: 4px;
}

.biz-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.biz-nav a {
  text-decoration: none;
  color: var(--biz-text2);
  font-size: 13px;
  font-weight: 500;
  transition: color 160ms;
}
.biz-nav a:hover, .biz-nav a.is-current { color: var(--biz-navy); }
.biz-nav-cta {
  padding: 9px 22px;
  background: var(--biz-navy);
  color: #fff !important;
  border-radius: var(--biz-radius);
  font-size: 12px !important;
  font-weight: 700 !important;
  transition: background 160ms !important;
}
.biz-nav-cta:hover { background: var(--biz-navy2) !important; }

/* ─── HERO ─── */
.biz-hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 80px 80px 60px;
  background: var(--biz-bg);
  overflow: hidden;
  gap: 80px;
}

/* 縦ラインの背景 */
.biz-hero-bg-lines {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 119px,
    rgba(15,39,68,0.04) 119px,
    rgba(15,39,68,0.04) 120px
  );
  pointer-events: none;
}

.biz-hero-content { position: relative; z-index: 1; }

.biz-label {
  display: inline-block;
  margin-bottom: 24px;
  padding: 5px 14px;
  border: 1px solid var(--biz-gold);
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--biz-gold);
}

h1 {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--biz-navy);
  margin-bottom: 24px;
}
h1 em {
  font-style: normal;
  color: var(--biz-gold);
  border-bottom: 2px solid var(--biz-gold);
  padding-bottom: 2px;
}

.biz-hero-desc {
  font-size: 16px;
  line-height: 1.9;
  color: var(--biz-text2);
  margin-bottom: 32px;
}

.biz-hero-trust {
  display: flex;
  gap: 24px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.biz-trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--biz-text2);
}
.biz-trust-item svg {
  width: 16px; height: 16px;
  color: var(--biz-gold);
}

.biz-hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.biz-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--biz-navy);
  color: #fff;
  text-decoration: none;
  border-radius: var(--biz-radius);
  font-size: 14px;
  font-weight: 700;
  transition: background 160ms, transform 160ms;
  cursor: pointer;
  border: none;
}
.biz-btn-primary:hover {
  background: var(--biz-navy2);
  transform: translateY(-1px);
}
.biz-btn-primary svg { width: 18px; height: 18px; }

.biz-btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border: 1px solid var(--biz-line);
  color: var(--biz-text2);
  text-decoration: none;
  border-radius: var(--biz-radius);
  font-size: 14px;
  font-weight: 500;
  background: transparent;
  transition: border-color 160ms, color 160ms;
}
.biz-btn-outline:hover {
  border-color: var(--biz-navy);
  color: var(--biz-navy);
}
.biz-btn-outline svg { width: 18px; height: 18px; }

.biz-price-hint {
  font-size: 13px;
  color: var(--biz-text2);
}
.biz-price-hint strong {
  color: var(--biz-navy);
  font-size: 18px;
  font-weight: 700;
}

/* ヒーロービジュアル */
.biz-hero-visual {
  position: relative;
  z-index: 1;
}
.biz-avatar-showcase {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: -20px;
  height: 520px;
}
.biz-avatar-main {
  width: 260px;
  height: 420px;
  overflow: hidden;
  border-radius: var(--biz-radius);
  border: 1px solid var(--biz-line);
  background: var(--biz-bg2);
  z-index: 2;
  box-shadow: 0 16px 48px rgba(15,39,68,0.12);
}
.biz-avatar-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}
.biz-avatar-sub {
  position: absolute;
  width: 160px;
  height: 260px;
  overflow: hidden;
  border-radius: var(--biz-radius);
  border: 1px solid var(--biz-line);
  background: var(--biz-bg2);
  box-shadow: 0 8px 24px rgba(15,39,68,0.1);
}
.biz-avatar-sub img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}
.biz-avatar-sub-1 { left: 0; bottom: 40px; z-index: 1; }
.biz-avatar-sub-2 { right: 0; bottom: 20px; z-index: 1; }

/* ─── SECTIONS ─── */
.biz-section { padding: 80px 60px; }
.biz-container { max-width: 1100px; margin: 0 auto; }

.biz-section-label {
  text-align: center;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--biz-gold);
  margin-bottom: 12px;
}
.biz-section-title {
  text-align: center;
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--biz-navy);
  margin-bottom: 52px;
}

/* ─── USE CASES ─── */
.biz-usecases { background: var(--biz-bg2); }
.biz-usecase-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.biz-usecase-card {
  padding: 32px 24px;
  background: var(--biz-bg);
  border: 1px solid var(--biz-line);
  border-radius: var(--biz-radius);
  transition: box-shadow 200ms, transform 200ms;
}
.biz-usecase-card:hover {
  box-shadow: 0 8px 32px rgba(15,39,68,0.1);
  transform: translateY(-3px);
}
.biz-usecase-icon {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  background: rgba(201,162,39,0.1);
  border-radius: 10px;
  margin-bottom: 20px;
  color: var(--biz-gold);
}
.biz-usecase-icon svg { width: 24px; height: 24px; }
.biz-usecase-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--biz-navy);
  margin-bottom: 10px;
}
.biz-usecase-card > p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--biz-text2);
  margin-bottom: 16px;
}
.biz-usecase-card ul {
  list-style: none;
  border-top: 1px solid var(--biz-line);
  padding-top: 14px;
}
.biz-usecase-card ul li {
  padding: 5px 0;
  font-size: 12px;
  color: var(--biz-text2);
}
.biz-usecase-card ul li::before {
  content: '— ';
  color: var(--biz-gold);
  font-weight: 700;
}

/* ─── WHY AVATAR ─── */
.biz-why { background: var(--biz-navy); }
.biz-why .biz-section-label { color: var(--biz-gold2); }
.biz-why .biz-section-title { color: #fff; }
.biz-why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-bottom: 40px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--biz-radius);
  overflow: hidden;
}
.biz-why-stat {
  padding: 40px 32px;
  background: rgba(255,255,255,0.04);
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.08);
}
.biz-why-stat:last-child { border-right: none; }
.biz-why-stat strong {
  display: block;
  font-size: 52px;
  font-weight: 700;
  color: var(--biz-gold2);
  margin-bottom: 12px;
  line-height: 1;
}
.biz-why-stat p {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255,255,255,0.55);
}
.biz-why-copy {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}
.biz-why-copy p {
  font-size: 16px;
  line-height: 1.9;
  color: rgba(255,255,255,0.65);
}

/* ─── WORKS ─── */
.biz-works { background: var(--biz-bg); }
.biz-works-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.biz-work-card {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  padding: 24px;
  border: 1px solid var(--biz-line);
  border-radius: var(--biz-radius);
  background: var(--biz-bg2);
  transition: box-shadow 200ms, transform 200ms;
}
.biz-work-card:hover {
  box-shadow: 0 8px 32px rgba(15,39,68,0.1);
  transform: translateY(-2px);
}
.biz-work-card figure {
  width: 180px;
  height: 220px;
  overflow: hidden;
  border-radius: 8px;
  background: var(--biz-bg3);
  flex-shrink: 0;
}
.biz-work-card figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}
.biz-work-info { display: flex; flex-direction: column; justify-content: center; }
.biz-work-info span {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--biz-gold);
  margin-bottom: 8px;
}
.biz-work-info h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--biz-navy);
  margin-bottom: 10px;
  line-height: 1.4;
}
.biz-work-info p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--biz-text2);
}

/* ─── PLANS ─── */
.biz-plans { background: var(--biz-bg2); }
.biz-plan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}
.biz-plan-card {
  background: var(--biz-bg);
  border: 1px solid var(--biz-line);
  border-radius: var(--biz-radius);
  overflow: hidden;
  position: relative;
  transition: box-shadow 200ms, transform 200ms;
}
.biz-plan-card:hover {
  box-shadow: 0 12px 40px rgba(15,39,68,0.12);
  transform: translateY(-3px);
}
.biz-plan-featured {
  border-color: var(--biz-navy);
  box-shadow: 0 8px 32px rgba(15,39,68,0.12);
}
.biz-plan-badge {
  position: absolute;
  top: 0; right: 0;
  padding: 6px 16px;
  background: var(--biz-gold);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: 0 var(--biz-radius) 0 var(--biz-radius);
}
.biz-plan-top {
  padding: 28px 28px 20px;
  border-bottom: 1px solid var(--biz-line);
}
.biz-plan-type {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--biz-gold);
  margin-bottom: 6px;
}
.biz-plan-top h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--biz-navy);
  margin-bottom: 10px;
}
.biz-plan-price {
  font-size: 28px;
  font-weight: 700;
  color: var(--biz-navy);
  margin-bottom: 8px;
}
.biz-plan-price span {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: var(--biz-text2);
  margin-bottom: 4px;
}
.biz-plan-desc {
  font-size: 13px;
  color: var(--biz-text2);
}
.biz-plan-card ul {
  list-style: none;
  padding: 20px 28px;
  border-bottom: 1px solid var(--biz-line);
}
.biz-plan-card ul li {
  padding: 8px 0;
  font-size: 13px;
  color: var(--biz-text2);
  border-bottom: 1px solid var(--biz-line);
}
.biz-plan-card ul li:last-child { border-bottom: none; }
.biz-plan-card ul li::before {
  content: '— ';
  color: var(--biz-gold);
  font-weight: 700;
}
.biz-plan-cta {
  display: block;
  margin: 20px 28px;
  padding: 12px;
  text-align: center;
  background: var(--biz-navy);
  color: #fff;
  text-decoration: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  transition: background 160ms;
  cursor: pointer;
}
.biz-plan-cta:hover { background: var(--biz-navy2); }

.biz-scope {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.biz-scope-item {
  padding: 24px;
  border: 1px solid var(--biz-line);
  border-radius: var(--biz-radius);
  background: var(--biz-bg);
}
.biz-scope-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--biz-navy);
  margin-bottom: 10px;
}
.biz-scope-title svg { width: 16px; height: 16px; color: var(--biz-gold); }
.biz-scope-item p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--biz-text2);
}

/* ─── PROCESS ─── */
.biz-process { background: var(--biz-bg); }
.biz-process-list {
  list-style: none;
  max-width: 720px;
  margin: 0 auto;
}
.biz-process-list li {
  display: flex;
  gap: 28px;
  padding: 24px 0;
  border-bottom: 1px solid var(--biz-line);
}
.biz-step-num {
  flex-shrink: 0;
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border: 1px solid var(--biz-gold);
  color: var(--biz-gold);
  font-size: 13px;
  font-weight: 700;
  border-radius: 50%;
}
.biz-process-list li strong {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--biz-navy);
  margin-bottom: 6px;
}
.biz-process-list li p {
  font-size: 13px;
  color: var(--biz-text2);
  line-height: 1.7;
}

/* ─── FAQ ─── */
.biz-faq { background: var(--biz-bg2); }
.biz-faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.biz-faq-list details {
  border-bottom: 1px solid var(--biz-line);
}
.biz-faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--biz-navy);
  cursor: pointer;
  list-style: none;
  gap: 16px;
}
.biz-faq-list summary::-webkit-details-marker { display: none; }
.biz-faq-list summary svg {
  width: 18px; height: 18px;
  color: var(--biz-gold);
  flex-shrink: 0;
  transition: transform 200ms;
}
.biz-faq-list details[open] summary svg { transform: rotate(45deg); }
.biz-faq-list details p {
  padding: 0 0 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--biz-text2);
}

/* ─── CTA ─── */
.biz-cta-section {
  padding: 100px 60px;
  background: var(--biz-bg3);
  border-top: 1px solid var(--biz-line);
  text-align: center;
}
.biz-cta-inner { max-width: 600px; margin: 0 auto; }
.biz-cta-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--biz-gold);
  margin-bottom: 16px;
}
.biz-cta-section h2 {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 700;
  color: var(--biz-navy);
  margin-bottom: 16px;
  line-height: 1.4;
}
.biz-cta-section > .biz-container > .biz-cta-inner > p {
  font-size: 15px;
  color: var(--biz-text2);
  line-height: 1.8;
  margin-bottom: 36px;
}
.biz-cta-actions { margin-bottom: 24px; }
.biz-cta-reassure {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}
.biz-cta-reassure span {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--biz-text2);
}
.biz-cta-reassure svg { width: 14px; height: 14px; color: var(--biz-gold); }

/* ─── FOOTER ─── */
.biz-footer {
  padding: 40px 60px;
  background: var(--biz-navy);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.biz-footer .biz-brand { color: #fff; }
.biz-footer .biz-brand-mark { background: rgba(255,255,255,0.15); }
.biz-footer-links {
  display: flex;
  gap: 24px;
}
.biz-footer-links a {
  text-decoration: none;
  color: rgba(255,255,255,0.45);
  font-size: 13px;
  font-weight: 500;
  transition: color 160ms;
}
.biz-footer-links a:hover { color: var(--biz-gold2); }

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .biz-hero { grid-template-columns: 1fr; padding: 80px 40px; }
  .biz-hero-visual { display: none; }
  .biz-usecase-grid { grid-template-columns: repeat(2, 1fr); }
  .biz-plan-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto 32px; }
  .biz-scope { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .biz-header { padding: 0 20px; }
  .biz-nav { gap: 14px; }
  .biz-nav a:not(.biz-nav-cta):not(.is-current) { display: none; }
  .biz-section { padding: 60px 20px; }
  .biz-usecase-grid { grid-template-columns: 1fr; }
  .biz-why-grid { grid-template-columns: 1fr; }
  .biz-why-stat { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .biz-works-grid { grid-template-columns: 1fr; }
  .biz-work-card { grid-template-columns: 1fr; }
  .biz-work-card figure { width: 100%; height: 200px; }
  .biz-cta-section { padding: 60px 20px; }
  .biz-footer { padding: 32px 20px; flex-direction: column; align-items: flex-start; }
}