/* ============================================
   軽作業マッチング ワイヤーフレーム
   きれいめワイヤー / グレースケール + 1アクセント
   ============================================ */

:root {
  /* Tone: mono (default) */
  --bg: #f4f4f2;
  --panel: #ffffff;
  --ink: #1a1a1a;
  --ink-2: #4a4a4a;
  --ink-3: #8a8a8a;
  --ink-4: #b8b8b8;
  --line: #dcdcd8;
  --line-2: #ebebe7;
  --accent: #1a1a1a;
  --accent-ink: #ffffff;
  --chip: #ececea;

  /* Size: standard */
  --fs-xs: 11px;
  --fs-sm: 13px;
  --fs-base: 15px;
  --fs-md: 17px;
  --fs-lg: 20px;
  --fs-xl: 24px;
  --fs-2xl: 30px;
  --btn-h: 52px;

  --radius: 10px;
  --radius-lg: 14px;
}

[data-tone="warm"] {
  --bg: #f6f1ea;
  --panel: #ffffff;
  --ink: #2a1f16;
  --ink-2: #5a4a3c;
  --ink-3: #9a8878;
  --ink-4: #c7b8a8;
  --line: #e4d9c9;
  --line-2: #efe7da;
  --accent: #a8633a;
  --accent-ink: #ffffff;
  --chip: #ede1cf;
}
[data-tone="cool"] {
  --bg: #eef1f4;
  --panel: #ffffff;
  --ink: #15202b;
  --ink-2: #3d4e5f;
  --ink-3: #7b8a99;
  --ink-4: #b0bcc7;
  --line: #d3dbe3;
  --line-2: #e4eaf0;
  --accent: #2c5a8a;
  --accent-ink: #ffffff;
  --chip: #dde5ec;
}

[data-size="large"] {
  --fs-xs: 13px;
  --fs-sm: 15px;
  --fs-base: 17px;
  --fs-md: 19px;
  --fs-lg: 22px;
  --fs-xl: 27px;
  --fs-2xl: 34px;
  --btn-h: 58px;
}
[data-size="xl"] {
  --fs-xs: 15px;
  --fs-sm: 17px;
  --fs-base: 19px;
  --fs-md: 22px;
  --fs-lg: 26px;
  --fs-xl: 32px;
  --fs-2xl: 40px;
  --btn-h: 64px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  font-family: "Hiragino Sans", "Noto Sans JP", "Yu Gothic", sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: var(--fs-base);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.page-title {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin: 0 0 4px;
}
.page-sub {
  font-size: 14px;
  color: var(--ink-3);
  margin: 0 0 24px;
}

/* ---------- Top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  padding: 14px 24px 0;
}
@media (max-width: 720px) {
  .topbar { padding: 8px 12px 0; position: static; }
  .topbar-row { flex-wrap: wrap; gap: 8px; margin-bottom: 6px; }
  .brand { font-size: 14px; flex: 1 1 auto; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .brand small { display: none; }
  .topbar-tweaks-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px; height: 36px;
    border: 1px solid var(--line);
    background: var(--panel);
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    flex: 0 0 auto;
  }
  .tweaks {
    display: none;
    flex: 1 1 100%;
    gap: 10px;
    flex-wrap: wrap;
    padding: 8px 0 4px;
    border-top: 1px solid var(--line);
    margin-top: 2px;
  }
  .tweaks.open { display: flex; }
  .tweaks > div { display: flex; align-items: center; gap: 6px; }
  .tweaks-label { margin-bottom: 0 !important; font-size: 10px; }
  .tweaks-group button { padding: 4px 10px; font-size: 11px; }
  .tabs { margin: 0 -12px; padding: 0 12px; }
  .tab { padding: 10px 12px; font-size: 13px; gap: 6px; }
  .content { padding: 16px 12px 40px; }
  .flow-header { margin-bottom: 16px; }
  .flow-title { font-size: 18px; }
  .flow-desc { font-size: 13px; }
  .variations { gap: 28px; }
  .variation-title { font-size: 16px; }
  .device {
    width: 100%;
    max-width: 360px;
    border-radius: 32px;
  }
}
@media (min-width: 721px) {
  .topbar-tweaks-toggle { display: none; }
}
.topbar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}
.brand {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.04em;
}
.brand small {
  color: var(--ink-3);
  font-weight: 400;
  margin-left: 8px;
  font-size: 12px;
}
.tweaks {
  display: flex;
  gap: 16px;
  align-items: center;
}
.tweaks-group {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
}
.tweaks-group button {
  border: 0;
  background: transparent;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  color: var(--ink-2);
  cursor: pointer;
  font-family: inherit;
}
.tweaks-group button[aria-selected="true"] {
  background: var(--ink);
  color: var(--bg);
}
.tweaks-label {
  font-size: 11px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ---------- Tabs ---------- */
.tabs {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tab {
  border: 0;
  background: transparent;
  padding: 14px 18px;
  font-size: 14px;
  color: var(--ink-3);
  cursor: pointer;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 8px;
}
.tab-num {
  display: inline-flex;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--line);
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: var(--ink-3);
}
.tab[aria-selected="true"] {
  color: var(--ink);
  border-bottom-color: var(--ink);
  font-weight: 600;
}
.tab[aria-selected="true"] .tab-num {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}

/* ---------- Content ---------- */
.content {
  padding: 32px 24px 80px;
  max-width: 1400px;
  margin: 0 auto;
}

.flow-header {
  margin-bottom: 28px;
}
.flow-title {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 6px;
}
.flow-desc {
  color: var(--ink-2);
  font-size: 14px;
  max-width: 780px;
  margin: 0;
}

/* ---------- Variations grid (2-up) ---------- */
.variations {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  align-items: start;
}
@media (max-width: 900px) {
  .variations { grid-template-columns: 1fr; }
}

.variation {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.variation-head {
  width: 100%;
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}
.variation-tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-3);
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-radius: 4px;
  margin-bottom: 6px;
}
.variation-title {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 4px;
}
.variation-note {
  font-size: 12px;
  color: var(--ink-3);
  margin: 0;
}

/* ---------- iPhone frame (simple) ---------- */
.device {
  width: 375px;
  background: var(--panel);
  border: 1.5px solid var(--ink);
  border-radius: 40px;
  overflow: hidden;
  box-shadow: 0 30px 60px -30px rgba(0,0,0,0.25);
  position: relative;
}
.device-statusbar {
  height: 44px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 600;
  padding-top: 14px;
}
.device-notch {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 110px;
  height: 28px;
  border-radius: 16px;
  background: var(--ink);
  z-index: 2;
}
.device-sb-icons {
  display: flex;
  gap: 5px;
  align-items: center;
}
.device-sb-icons span {
  display: inline-block;
  background: var(--ink);
}
.sb-signal { width: 16px; height: 9px; clip-path: polygon(0 100%, 20% 60%, 20% 100%, 40% 40%, 40% 100%, 60% 20%, 60% 100%, 80% 0, 80% 100%, 100% 0); }
.sb-wifi   { width: 14px; height: 10px; border-radius: 3px; }
.sb-batt   { width: 22px; height: 10px; border-radius: 2px; }
.device-screen {
  height: 720px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}
.device-hg {
  height: 5px;
  width: 140px;
  background: var(--ink);
  border-radius: 3px;
  margin: 6px auto 8px;
  opacity: 0.85;
}

/* ---------- App chrome ---------- */
.app-head {
  padding: 10px 20px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line-2);
  background: var(--panel);
}
.app-head-title {
  font-size: var(--fs-md);
  font-weight: 700;
}
.app-head-mode {
  font-size: var(--fs-xs);
  color: var(--ink-3);
  border: 1px solid var(--line);
  padding: 4px 8px;
  border-radius: 999px;
  display: inline-flex;
  gap: 4px;
  align-items: center;
}
.app-head-mode::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.app-back {
  font-size: var(--fs-md);
  color: var(--ink);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.app-back::before {
  content: "";
  width: 10px; height: 10px;
  border-left: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(45deg);
  margin-right: 4px;
}
.app-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 16px 20px 20px;
  background: var(--bg);
}
.app-tabbar {
  background: var(--panel);
  border-top: 1px solid var(--line);
}
.device-screen { background: var(--panel); }
.app-cta {
  background: var(--panel) !important;
  border-top: 1px solid var(--line-2);
  padding: 14px 20px 16px !important;
}
.app-cta .btn {
  height: 44px;
  font-size: var(--fs-sm);
}
.app-cta .btn-lg {
  font-size: var(--fs-md);
}
.app-body::-webkit-scrollbar { width: 6px; }
.app-body::-webkit-scrollbar-thumb { background: var(--line); border-radius: 3px; }

.app-tabbar {
  display: flex;
  border-top: 1px solid var(--line);
  background: var(--panel);
  padding: 8px 4px 14px;
}
.app-tabbar-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  font-size: 10px;
  color: var(--ink-3);
}
.app-tabbar-item.active { color: var(--ink); }
.app-tabbar-icon {
  width: 22px;
  height: 22px;
  border: 1.5px solid currentColor;
  border-radius: 5px;
}
.app-tabbar-icon.circle { border-radius: 50%; }
.app-tabbar-icon.tri {
  border: 0;
  width: 0; height: 0;
  border-left: 11px solid transparent;
  border-right: 11px solid transparent;
  border-bottom: 19px solid currentColor;
}

/* ---------- Shared UI primitives (wireframe) ---------- */
.h1 { font-size: var(--fs-2xl); font-weight: 700; letter-spacing: 0.01em; margin: 0 0 8px; line-height: 1.25; }
.h2 { font-size: var(--fs-xl); font-weight: 700; margin: 0 0 8px; line-height: 1.3; }
.h3 { font-size: var(--fs-lg); font-weight: 700; margin: 0 0 6px; line-height: 1.3; }
.lead { font-size: var(--fs-md); color: var(--ink-2); margin: 0 0 16px; }
.muted { color: var(--ink-3); }
.tiny { font-size: var(--fs-xs); color: var(--ink-3); letter-spacing: 0.04em; }
rt { font-size: 0.55em; color: var(--ink-3); font-weight: 400; }
ruby { ruby-position: over; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: var(--btn-h);
  padding: 0 20px;
  border-radius: var(--radius);
  border: 1.5px solid var(--ink);
  background: var(--ink);
  color: var(--accent-ink);
  font-size: var(--fs-md);
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  width: 100%;
}
.btn.secondary {
  background: var(--panel);
  color: var(--ink);
}
.btn.ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink-2);
}
.btn-lg { font-size: var(--fs-lg); }
.btn-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel);
  font-size: var(--fs-sm);
  color: var(--ink-2);
}
.chip.active { border-color: var(--ink); background: var(--ink); color: var(--accent-ink); }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 14px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}
.field-label {
  font-size: var(--fs-sm);
  color: var(--ink-2);
  font-weight: 600;
}
.field-hint {
  font-size: var(--fs-xs);
  color: var(--ink-3);
}
.input, .textarea, .select {
  width: 100%;
  height: var(--btn-h);
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding: 0 14px;
  background: var(--panel);
  font-size: var(--fs-md);
  color: var(--ink);
  font-family: inherit;
}
.textarea { height: auto; padding: 12px 14px; }

/* Placeholder image (striped) */
.placeholder {
  background:
    repeating-linear-gradient(
      45deg,
      var(--line-2) 0 6px,
      var(--panel) 6px 12px
    );
  border: 1px dashed var(--line);
  color: var(--ink-3);
  font-family: ui-monospace, Menlo, monospace;
  font-size: var(--fs-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  text-align: center;
}

/* Avatar placeholder */
.avatar {
  background: var(--chip);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-3);
  font-weight: 600;
  flex: none;
}

/* Star rating */
.stars { display: inline-flex; gap: 1px; font-size: var(--fs-sm); letter-spacing: 1px; color: var(--ink); }
.stars .off { color: var(--ink-4); }

/* Section divider */
.divider {
  border: 0;
  border-top: 1px solid var(--line-2);
  margin: 16px 0;
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: var(--fs-xs);
  font-weight: 600;
  background: var(--ink);
  color: var(--accent-ink);
}
.badge.outline {
  background: transparent;
  border: 1px solid var(--ink);
  color: var(--ink);
}
.badge.soft {
  background: var(--chip);
  color: var(--ink-2);
}
.badge.accent {
  background: var(--accent);
  color: var(--accent-ink);
}

/* Step dots */
.steps {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  margin-bottom: 12px;
}
.steps .dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--line);
}
.steps .dot.active { background: var(--ink); }
.steps .dot.done { background: var(--ink-3); }
.steps .bar {
  flex: 1;
  height: 2px;
  background: var(--line);
  max-width: 30px;
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 28px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 9px; top: 8px; bottom: 8px;
  width: 2px;
  background: var(--line);
}
.tl-item {
  position: relative;
  padding-bottom: 18px;
}
.tl-dot {
  position: absolute;
  left: -24px;
  top: 4px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--panel);
  border: 2px solid var(--line);
}
.tl-dot.done { background: var(--ink); border-color: var(--ink); }
.tl-dot.active { border-color: var(--ink); background: var(--panel); }
.tl-dot.active::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--ink);
}
.tl-title { font-weight: 600; font-size: var(--fs-md); margin: 0 0 2px; }
.tl-meta { font-size: var(--fs-xs); color: var(--ink-3); }

/* Small note banner */
.note {
  background: var(--chip);
  padding: 10px 12px;
  border-radius: var(--radius);
  font-size: var(--fs-sm);
  color: var(--ink-2);
  line-height: 1.5;
}
.note strong { color: var(--ink); }

/* Pill segmented */
.segment {
  display: inline-flex;
  padding: 3px;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 999px;
}
.segment button {
  border: 0;
  background: transparent;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: var(--fs-sm);
  color: var(--ink-2);
  cursor: pointer;
  font-family: inherit;
}
.segment button[aria-selected="true"] {
  background: var(--ink);
  color: var(--accent-ink);
}

/* Annotation label (sketchy wire note) */
.anno {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: ui-monospace, Menlo, monospace;
  font-size: 11px;
  color: var(--ink-3);
  background: var(--panel);
  border: 1px dashed var(--line);
  padding: 4px 8px;
  border-radius: 4px;
}