/* ==========================================================================
   MultiWorkers LP - style.css
   ========================================================================== */

:root {
  --navy: #1e3a8a;
  --navy-dark: #14275c;
  --blue: #3b82f6;
  --blue-dark: #1d4ed8;

  --lane-admin: #1e3a8a;
  --lane-admin-bg: #eef2ff;
  --lane-staff: #0d9488;
  --lane-staff-bg: #f0fdfa;
  --lane-client: #c2410c;
  --lane-client-bg: #fff7ed;

  --ink: #0f172a;
  --ink-soft: #475569;
  --ink-faint: #94a3b8;

  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --bg-soft-2: #f1f5f9;
  --border: #e2e8f0;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 24px 48px -12px rgba(30, 58, 138, 0.25);

  --header-h: 72px;
  --font-jp: "Noto Sans JP", "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }

body {
  margin: 0;
  font-family: var(--font-jp);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--navy);
  color: #fff;
  padding: 10px 16px;
  border-radius: 0 0 8px 0;
  z-index: 200;
}
.skip-link:focus { left: 0; }

h1, h2, h3 { font-weight: 700; line-height: 1.35; margin: 0; letter-spacing: 0.01em; }
p { margin: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--navy));
  color: #fff;
  box-shadow: 0 8px 20px -6px rgba(29, 78, 216, 0.5);
}
.btn-primary:hover { box-shadow: 0 12px 24px -6px rgba(29, 78, 216, 0.6); }

.btn-outline {
  background: #fff;
  color: var(--navy);
  border-color: var(--border);
}
.btn-outline:hover { border-color: var(--blue); color: var(--blue-dark); }

.btn-ghost {
  background: transparent;
  color: var(--ink-soft);
}
.btn-ghost:hover { color: var(--navy); }

.btn-lg { padding: 14px 30px; font-size: 1rem; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--blue), var(--navy));
  color: #fff;
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}
.brand-name { font-weight: 700; font-size: 1.05rem; }

.main-nav { display: flex; align-items: center; gap: 32px; }
.main-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.15s ease;
}
.main-nav a:hover { color: var(--navy); }

.header-actions { display: flex; align-items: center; gap: 10px; }
.header-actions .btn-ghost { display: inline-flex; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
}
.nav-toggle span {
  width: 18px;
  height: 2px;
  margin: 0 auto;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ---------- Sections (shared) ---------- */
.section { padding: 96px 0; }
.section-eyebrow {
  display: block;
  color: var(--blue-dark);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.25rem);
  max-width: 720px;
  margin-bottom: 16px;
}
.section-lead {
  color: var(--ink-soft);
  max-width: 640px;
  font-size: 1.02rem;
}
.br-mobile { display: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 72px 0 104px;
  background:
    radial-gradient(1000px 500px at 85% -10%, rgba(59, 130, 246, 0.14), transparent 60%),
    radial-gradient(700px 400px at -5% 20%, rgba(30, 58, 138, 0.08), transparent 60%),
    var(--bg-soft);
  overflow: clip;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  color: var(--blue-dark);
  background: #eef2ff;
  border: 1px solid #dbeafe;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.hero-copy h1 {
  font-size: clamp(1.9rem, 1.3rem + 2.6vw, 3rem);
  color: var(--ink);
  margin-bottom: 22px;
}

.hero-lead {
  color: var(--ink-soft);
  font-size: 1.06rem;
  max-width: 46ch;
  margin-bottom: 32px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 16px; }
.hero-note { color: var(--ink-faint); font-size: 0.85rem; }

/* --- hero visual: mock product card --- */
.hero-visual { display: flex; justify-content: center; }

.mock-window {
  width: 100%;
  max-width: 440px;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transform: rotate(1deg);
}

.mock-titlebar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 14px 18px;
  background: var(--bg-soft-2);
  border-bottom: 1px solid var(--border);
}
.mock-titlebar .dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: #cbd5e1;
}
.mock-titlebar-label {
  margin-left: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.mock-calendar { padding: 18px 18px 6px; }
.mock-cal-head {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  font-size: 0.68rem;
  color: var(--ink-faint);
  margin-bottom: 8px;
  text-align: center;
}
.mock-cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  grid-auto-rows: auto;
  gap: 6px;
  min-height: 108px;
}
.mock-pill {
  grid-row: auto;
  font-size: 0.62rem;
  font-weight: 600;
  padding: 6px 5px;
  border-radius: 8px;
  color: #fff;
  line-height: 1.3;
}
.pill-a { background: var(--lane-admin); }
.pill-b { background: var(--lane-staff); }
.pill-c { background: var(--lane-client); }

.mock-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  margin-top: 18px;
  border-top: 1px solid var(--border);
}
.mock-stat {
  background: #fff;
  padding: 16px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: center;
}
.mock-stat-num { font-weight: 800; font-size: 0.95rem; color: var(--navy); }
.mock-stat span:last-child { font-size: 0.68rem; color: var(--ink-faint); }
.mock-stat.ok .mock-stat-num { color: var(--lane-staff); font-size: 0.8rem; }

/* ---------- Problems ---------- */
.problems { background: var(--bg); }

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

.problem-card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
}
.problem-icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 18px;
}
.problem-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.problem-card p { color: var(--ink-soft); font-size: 0.94rem; }

/* ---------- Flow (role-to-role timeline) ---------- */
.flow { background: var(--bg-soft); }

.flow-timeline {
  position: relative;
  max-width: 720px;
  margin: 48px auto 0;
}
.flow-timeline::before {
  content: "";
  position: absolute;
  left: 23px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--border);
}

.flow-tl-item {
  position: relative;
  display: flex;
  gap: 20px;
  padding-bottom: 28px;
}
.flow-tl-item:last-child { padding-bottom: 0; }

.flow-tl-marker {
  position: relative;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.05rem;
  color: #fff;
  background: var(--tl-color, var(--navy));
  box-shadow: 0 4px 10px rgba(15, 23, 42, 0.18);
}

.flow-tl-body {
  flex: 1;
  min-width: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  box-shadow: var(--shadow-sm);
}
.flow-tl-body h3 { font-size: 1rem; margin-bottom: 6px; }
.flow-tl-body p { font-size: 0.9rem; color: var(--ink-soft); }

.flow-tl-actors {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.role-chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
}
.role-admin { color: var(--lane-admin); background: var(--lane-admin-bg); }
.role-staff { color: var(--lane-staff); background: var(--lane-staff-bg); }
.role-client { color: var(--lane-client); background: var(--lane-client-bg); }
.flow-tl-arrow { color: var(--ink-faint); font-size: 0.95rem; }

.flow-tl-item--result .flow-tl-marker { font-size: 1.3rem; }
.flow-tl-result {
  background: linear-gradient(135deg, var(--blue), var(--navy));
  border-color: transparent;
}
.flow-tl-result h3, .flow-tl-result p { color: #fff; }
.flow-tl-result p { color: rgba(255, 255, 255, 0.85); }

.flow-loop-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  max-width: 720px;
  margin: 28px auto 0;
  padding: 14px 18px;
  background: #fff;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
  font-size: 0.88rem;
  text-align: left;
}
.flow-loop-note span { font-size: 1.05rem; color: var(--blue-dark); flex-shrink: 0; }

.feature-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 40px;
}
.feature-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--border);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--ink-soft);
}

/* ---------- Onboarding steps ---------- */
.onboarding { background: var(--bg); }

.steps-grid {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.step-card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 26px 22px;
}
.step-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--blue-dark);
  background: #eef2ff;
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.step-card h3 { font-size: 1.02rem; margin-bottom: 8px; }
.step-card p { color: var(--ink-soft); font-size: 0.92rem; }

/* ---------- Plans ---------- */
.plans { background: var(--bg-soft); }

.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 44px;
  align-items: stretch;
}

.plan-grid--single {
  grid-template-columns: minmax(0, 440px);
  justify-content: center;
}

.plan-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.plan-card--featured {
  border-color: var(--blue);
  box-shadow: var(--shadow-lg);
  transform: translateY(-8px);
}

.plan-highlight {
  position: absolute;
  top: -14px;
  left: 26px;
  background: linear-gradient(135deg, var(--blue), var(--navy));
  color: #fff;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 5px 14px;
  border-radius: 999px;
}

.plan-name { font-size: 1.1rem; }
.plan-price { display: flex; align-items: baseline; gap: 6px; color: var(--ink-soft); }
.plan-price-num { font-size: 2rem; font-weight: 800; color: var(--ink); }

.plan-price { flex-direction: column; align-items: flex-start; gap: 4px; }
.plan-price-strike {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink-faint);
  text-decoration: line-through;
  text-decoration-thickness: 2px;
}
.plan-price-unit { font-size: 0.85rem; font-weight: 500; }
.plan-price-free {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--blue-dark);
  line-height: 1.25;
}

.plan-desc { color: var(--ink-soft); font-size: 0.9rem; flex-grow: 0; }
.plan-note { color: var(--ink-faint); font-size: 0.8rem; text-align: center; }

.plan-features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex-grow: 1;
}
.plan-features li {
  font-size: 0.88rem;
  color: var(--ink-soft);
  padding-left: 22px;
  position: relative;
}
.plan-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--lane-staff);
  font-weight: 800;
}

/* ---------- FAQ ---------- */
.faq { background: var(--bg); }

.accordion {
  margin-top: 40px;
  border-top: 1px solid var(--border);
}
.accordion-item { border-bottom: 1px solid var(--border); }

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: none;
  border: none;
  text-align: left;
  padding: 20px 4px;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
}
.accordion-icon {
  position: relative;
  flex-shrink: 0;
  width: 20px; height: 20px;
}
.accordion-icon::before, .accordion-icon::after {
  content: "";
  position: absolute;
  background: var(--ink-soft);
  border-radius: 2px;
  transition: transform 0.2s ease;
}
.accordion-icon::before { width: 14px; height: 2px; top: 9px; left: 3px; }
.accordion-icon::after { width: 2px; height: 14px; top: 3px; left: 9px; }
.accordion-trigger[aria-expanded="true"] .accordion-icon::after { transform: rotate(90deg); opacity: 0; }

.accordion-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.25s ease;
}
.accordion-panel > p {
  overflow: hidden;
  color: var(--ink-soft);
  font-size: 0.92rem;
  padding-right: 32px;
}
.accordion-item.is-open .accordion-panel { grid-template-rows: 1fr; }
.accordion-item.is-open .accordion-panel > p { padding-bottom: 20px; }

/* ---------- Contact / CTA ---------- */
.contact {
  background: linear-gradient(160deg, var(--navy-dark), var(--navy) 55%, var(--blue-dark));
  color: #fff;
}

.contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
}

.section-eyebrow--light { color: #bfdbfe; }
.section-title--light { color: #fff; }
.section-lead--light { color: #dbeafe; }

.contact-form {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  box-shadow: var(--shadow-lg);
}

.form-row { display: flex; flex-direction: column; gap: 6px; }
.form-row label { font-size: 0.86rem; font-weight: 600; color: var(--ink); }
.req { color: #dc2626; font-size: 0.75rem; font-weight: 700; }

.form-row input, .form-row textarea {
  font-family: inherit;
  font-size: 0.95rem;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-soft);
  color: var(--ink);
  resize: vertical;
}
.form-row input:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--blue);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-note {
  font-size: 0.86rem;
  color: var(--lane-staff);
  min-height: 1.2em;
  margin: 0;
  text-align: center;
}
.form-note.is-error { color: #dc2626; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-dark);
  color: #cbd5e1;
  padding: 32px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-inner .brand-name { color: #fff; }
.footer-copy { font-size: 0.82rem; color: #94a3b8; }

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-inner, .contact-inner { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .card-grid, .steps-grid, .plan-grid { grid-template-columns: 1fr 1fr; }
  .plan-grid--single { grid-template-columns: minmax(0, 440px); }
  .plan-card--featured { transform: none; }
}

@media (max-width: 720px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .header-actions .btn-ghost { display: none; }

  .site-header.nav-open .main-nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 16px 24px 24px;
    gap: 18px;
    box-shadow: var(--shadow-md);
  }

  .br-mobile { display: inline; }
  .section { padding: 64px 0; }
  .card-grid, .steps-grid, .plan-grid { grid-template-columns: 1fr; }
  .plan-card--featured { order: -1; }
}

@media (max-width: 420px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
  .footer-inner { flex-direction: column; text-align: center; }
}