/* Beta: Light theme — clean, BtoB trust, Notion-style */
/* No @import, no font CDN — every byte comes from your own origin. */

:root {
  --bg: #ffffff;
  --bg-subtle: #f7f8fa;
  --ink: #14161b;
  --ink-2: #565d6d;
  --ink-3: #8b8d97;
  --rule: #e4e5e0;
  --accent: #2340e8;
  --accent-hover: #1a33c4;
  --accent-wash: #edf0fe;
  --success: #0b6b45;
  --danger: #a22b2b;

  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans",
    "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", Meiryo, Roboto,
    sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;

  --page: 64rem;
  --measure: 34rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  font-feature-settings: "palt" 1;
}
:lang(ja) { line-break: strict; overflow-wrap: anywhere; }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:focus-visible, .btn-primary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

main, .masthead, .colophon {
  max-width: var(--page);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

/* ---------------------------------------------------------------- masthead */
.masthead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.75rem;
  flex-wrap: wrap;
}
.wordmark {
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}
.masthead nav { display: flex; gap: 1.25rem; font-size: 0.875rem; }
.masthead nav a { color: var(--ink-2); text-decoration: none; }
.masthead nav a:hover { color: var(--ink); }
.masthead .lang { color: var(--accent); }

/* -------------------------------------------------------------------- hero */
.hero {
  padding-block: 4rem 3rem;
  display: grid;
  gap: 3rem;
  align-items: center;
}
@media (min-width: 52rem) {
  .hero { grid-template-columns: 1fr 1fr; }
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  font-weight: 700;
}
:lang(ja) h1 { letter-spacing: -0.01em; line-height: 1.3; }

.lede {
  margin: 1.25rem 0 0;
  font-size: 1.125rem;
  color: var(--ink-2);
  max-width: var(--measure);
}
.lede strong { color: var(--ink); font-weight: 600; }

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
}
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  transition: background 0.15s;
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-link {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
}
.btn-link:hover { text-decoration: underline; }

/* Mock window */
.mock-window {
  border: 1px solid var(--rule);
  border-radius: 12px;
  overflow: hidden;
  background: var(--bg);
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}
.mock-titlebar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--rule);
  background: var(--bg-subtle);
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--rule);
}
.mock-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 16px;
  min-height: 160px;
}
.mock-col-title {
  margin: 0 0 8px;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-2);
}
.mock-card {
  background: var(--bg-subtle);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 0.75rem;
  color: var(--ink);
  margin-bottom: 6px;
}

/* -------------------------------------------------------------------- pain */
.pain {
  padding-block: 3rem;
  border-top: 1px solid var(--rule);
}
.pain-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}
.pain-card {
  padding: 1.5rem;
  border-radius: 10px;
  background: var(--bg-subtle);
}
.pain-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-weight: 600;
}
.pain-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--ink-2);
}

/* -------------------------------------------------------------- features */
.feature {
  padding-block: 4rem;
  display: grid;
  gap: 2.5rem;
  align-items: center;
}
@media (min-width: 52rem) {
  .feature { grid-template-columns: 1fr 1fr; }
  .feature-alt .feature-text { order: 2; }
  .feature-alt .feature-visual { order: 1; }
}

.feature-label {
  margin: 0 0 0.5rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}
.feature h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.375rem, 3.5vw, 1.75rem);
  letter-spacing: -0.02em;
  line-height: 1.3;
}
:lang(ja) .feature h2 { letter-spacing: -0.01em; }

.feature p {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.9375rem;
  line-height: 1.7;
}
.feature p strong { color: var(--ink); font-weight: 600; }
.feature p code {
  font-family: var(--mono);
  font-size: 0.875em;
  background: var(--bg-subtle);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  border: 1px solid var(--rule);
}

/* Velocity chart */
.velocity-chart {
  background: var(--bg-subtle);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 1.5rem;
}
.v-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.v-week {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-2);
  width: 2rem;
  text-align: right;
}
.v-track {
  flex: 1;
  height: 24px;
  background: var(--rule);
  border-radius: 4px;
  overflow: hidden;
}
.v-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 4px;
}
.v-pts {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-2);
  width: 3rem;
}
.v-summary {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--rule);
  font-size: 0.8125rem;
  color: var(--ink-2);
  text-align: right;
}

/* Pipeline */
.pipeline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 1.5rem;
  background: var(--bg-subtle);
  border: 1px solid var(--rule);
  border-radius: 10px;
}
.stage {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  background: var(--bg);
  border: 1px solid var(--rule);
  color: var(--ink-2);
}
.stage.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.stage.done {
  background: var(--success);
  color: #fff;
  border-color: var(--success);
}
.stage.rejected {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}

/* View tabs */
.view-tabs {
  display: flex;
  gap: 0.75rem;
  padding: 1.5rem;
  background: var(--bg-subtle);
  border: 1px solid var(--rule);
  border-radius: 10px;
}
.view-tab {
  flex: 1;
  text-align: center;
  padding: 1rem 0.75rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink-2);
  border: 1px solid var(--rule);
  background: var(--bg);
}
.view-tab.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.view-tab-icon {
  display: block;
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

/* Terminal */
.terminal {
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--rule);
}
.terminal-bar {
  display: flex;
  gap: 6px;
  padding: 10px 14px;
  background: #1e1e2e;
}
.terminal-bar .dot { background: #565d6d; }
.terminal-body {
  margin: 0;
  padding: 1rem;
  background: #1e1e2e;
  color: #cdd6f4;
  font-family: var(--mono);
  font-size: 0.8125rem;
  line-height: 1.85;
  overflow-x: auto;
}
.t-prompt { color: #89b4fa; }
.t-header { color: #6c7086; }
.t-row { color: #cdd6f4; }
.t-blank { display: block; height: 0.5em; }
.t-ok { color: #a6e3a1; }

/* ------------------------------------------------------------------ steps */
.steps {
  padding-block: 4rem;
  border-top: 1px solid var(--rule);
}
.steps h2 {
  margin: 0 0 2rem;
  font-size: clamp(1.375rem, 3.5vw, 1.75rem);
  letter-spacing: -0.02em;
  text-align: center;
}
.steps-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
}
.step-card { text-align: center; padding: 1.5rem; }
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 1rem;
}
.step-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--ink-2);
}

/* ----------------------------------------------------------- more / bento */
.more {
  padding-block: 4rem;
  border-top: 1px solid var(--rule);
}
.more h2 {
  margin: 0 0 2rem;
  font-size: clamp(1.375rem, 3.5vw, 1.75rem);
  letter-spacing: -0.02em;
}
.bento {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}
.bento-card {
  padding: 1.5rem;
  border-radius: 10px;
  border: 1px solid var(--rule);
  background: var(--bg);
}
.bento-card h3 {
  margin: 0 0 0.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
}
.bento-card p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--ink-2);
}

/* ----------------------------------------------------------------- closer */
.closer {
  margin-block: 2rem 0;
  padding: 3rem 2rem;
  text-align: center;
  border-radius: 12px;
  background: var(--bg-subtle);
}
.closer h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.375rem, 3.5vw, 1.75rem);
  letter-spacing: -0.02em;
}
.closer p {
  margin: 0 0 1.75rem;
  color: var(--ink-2);
}

/* --------------------------------------------------------------- colophon */
.colophon {
  border-top: 1px solid var(--rule);
  padding-block: 2rem 3rem;
  margin-top: 4rem;
  font-size: 0.8125rem;
  color: var(--ink-2);
}
.colophon .tagline { margin: 0 0 1rem; }
.colophon ul {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}
.colophon .legal { margin: 0.25rem 0 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}