:root {
  --bg: #000000;
  --bg-soft: #0c0c0e;
  --card: #1c1c1e;
  --card-soft: #232326;
  --line: rgba(255, 255, 255, 0.08);
  --ink: #f5f5f7;
  --sub: #8e8e93;
  --sub-dim: #636366;
  --blue: #0a84ff;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Hiragino Sans",
    "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  background: radial-gradient(circle at 50% 0%, var(--bg-soft), var(--bg) 60%);
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: max(40px, env(safe-area-inset-top)) 20px max(40px, env(safe-area-inset-bottom));
}

.app { width: 100%; max-width: 420px; }

header { text-align: center; margin-bottom: 28px; }

.eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--sub-dim);
  text-transform: uppercase;
  margin-bottom: 14px;
}

h1 {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
  color: var(--ink);
}

header .tagline {
  font-size: 14.5px;
  color: var(--sub);
  margin: 0 0 12px;
  letter-spacing: 0.01em;
}

header .usecase {
  font-size: 12.5px;
  color: var(--sub-dim);
  margin: 0;
  line-height: 1.6;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 30px 26px;
  box-shadow: var(--shadow);
}

.card + .card { margin-top: 18px; }

.clock-card { text-align: center; padding: 26px 26px 22px; }

.now-clock {
  font-variant-numeric: tabular-nums;
  font-size: 46px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.field { margin-bottom: 28px; }

.field label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--sub);
  margin-bottom: 12px;
}

.quick-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.quick-btn {
  width: auto;
  flex: 1 1 calc(25% - 6px);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--blue);
  background: var(--card-soft);
  border: 1px solid var(--line);
  padding: 13px 4px;
  border-radius: 12px;
}

.quick-btn:active { opacity: 0.7; transform: scale(0.97); }

.quickstart-card { text-align: center; }

.quickstart-header {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--blue);
  margin-bottom: 16px;
}

.preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.preset-btn {
  width: auto;
  flex: 1 1 calc(50% - 4px);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  background: var(--card-soft);
  border: 1px solid var(--line);
  padding: 14px 10px;
  border-radius: 14px;
}

.preset-btn:active { opacity: 0.7; transform: scale(0.97); }

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.toggle-row label { margin-bottom: 0; }

.jitter-desc {
  font-size: 11.5px;
  color: var(--sub-dim);
  line-height: 1.6;
  margin: 0 0 12px;
}

.switch {
  position: relative;
  display: inline-block;
  width: 46px;
  height: 26px;
  flex-shrink: 0;
}

.switch input { opacity: 0; width: 0; height: 0; }

.switch .slider {
  position: absolute;
  inset: 0;
  cursor: pointer;
  background: var(--card-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: 0.2s;
}

.switch .slider::before {
  content: "";
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: 0.2s;
}

.switch input:checked + .slider { background: var(--blue); border-color: var(--blue); }
.switch input:checked + .slider::before { transform: translateX(20px); }

.jitter-range-row {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--sub);
}

.jitter-range-row input[type="number"] {
  width: 64px;
  text-align: center;
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--card-soft);
  color: var(--ink);
  outline: none;
}

.jitter-range-row input[type="number"]:focus { border-color: var(--blue); }

.select-field {
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid var(--line);
  background: var(--card-soft);
  border-radius: 14px;
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  padding: 14px 16px;
  color: var(--ink);
}

.select-field:focus { outline: none; border-color: var(--blue); }

#phoneNumberInput {
  width: 100%;
  font-family: inherit;
  font-variant-numeric: tabular-nums;
  font-size: 16px;
  font-weight: 600;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--card-soft);
  color: var(--ink);
  outline: none;
}

#phoneNumberInput:focus { border-color: var(--blue); }
#phoneNumberInput::placeholder { color: var(--sub-dim); }

.time-row { display: flex; align-items: center; gap: 8px; }

.time-row select {
  flex: 1;
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid var(--line);
  background: var(--card-soft);
  border-radius: 14px;
  font-family: inherit;
  font-variant-numeric: tabular-nums;
  font-size: 22px;
  font-weight: 600;
  text-align: center;
  padding: 14px 4px;
  color: var(--ink);
}

.time-row select:focus { outline: none; border-color: var(--blue); }

.time-row .colon {
  font-size: 16px;
  font-weight: 600;
  color: var(--sub-dim);
  width: 8px;
  text-align: center;
}

button, .btn {
  font-family: inherit;
  border: none;
  cursor: pointer;
  display: block;
  width: 100%;
  text-align: center;
  text-decoration: none;
}

.primary-btn {
  font-size: 16.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: #fff;
  padding: 18px;
  border-radius: 16px;
  background: var(--blue);
  transition: opacity 0.12s ease, transform 0.12s ease;
}

.primary-btn:active { transform: scale(0.98); opacity: 0.9; }

.outline-btn {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--blue);
  padding: 17px;
  border-radius: 16px;
  background: transparent;
  border: 1.5px solid var(--blue);
  margin-top: 14px;
  transition: opacity 0.12s ease, transform 0.12s ease;
}

.outline-btn:active { transform: scale(0.98); opacity: 0.8; }

.secondary-btn {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--sub);
  background: transparent;
  padding: 12px;
  margin-top: 8px;
  border: 1px solid transparent;
}

.secondary-btn:active { opacity: 0.6; }

.favorites-block { margin-top: 6px; margin-bottom: 28px; }

.favorite-add-row {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}

.favorite-add-row input {
  flex: 1;
  font-family: inherit;
  font-size: 14px;
  padding: 13px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--card-soft);
  color: var(--ink);
  outline: none;
  min-width: 0;
}

.favorite-add-row input:focus { border-color: var(--blue); }
.favorite-add-row input::placeholder { color: var(--sub-dim); }

.favorite-add-row button {
  width: auto;
  flex-shrink: 0;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--blue);
  background: var(--card-soft);
  border: 1px solid var(--line);
  padding: 0 18px;
  border-radius: 12px;
}

.favorites-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.favorites-empty {
  font-size: 12.5px;
  color: var(--sub-dim);
}

.favorite-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--card-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 8px 9px 14px;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  cursor: pointer;
}

.favorite-delete {
  color: var(--sub-dim);
  font-size: 14px;
  line-height: 1;
  padding: 4px 6px;
}

.notice {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 14px 16px;
  border-radius: 12px;
  background: var(--card-soft);
  border: 1px solid var(--line);
}

.notice .mark { flex-shrink: 0; font-size: 13px; font-weight: 700; color: var(--blue); }
.notice p { margin: 0; font-size: 12px; line-height: 1.65; color: var(--sub); }

#statusCard { text-align: center; }

.meta-block {
  margin-bottom: 26px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.meta-row {
  font-size: 12.5px;
  color: var(--sub);
}

.meta-row + .meta-row { margin-top: 8px; }

.meta-row .value { color: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; }

.countdown-wrap {
  padding: 10px 0 8px;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.countdown-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--sub);
}

.countdown {
  font-variant-numeric: tabular-nums;
  font-size: 46px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  transition: font-size 0.2s ease;
}

.countdown.warn {
  font-size: clamp(48px, 15vw, 104px);
  font-weight: 700;
  color: var(--blue);
  text-shadow: 0 0 34px rgba(10, 132, 255, 0.55);
}

.hidden { display: none !important; }

footer {
  text-align: center;
  margin-top: 26px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--sub-dim);
}

/* 全画面（疑似全画面）モード */
.focus-view {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 500;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  background: #000000;
  padding: 24px;
  text-align: center;
}

.focus-view.show { display: flex; }

.focus-target {
  font-size: 13px;
  color: var(--sub);
  letter-spacing: 0.04em;
}

.focus-now-clock {
  font-variant-numeric: tabular-nums;
  font-size: 22px;
  font-weight: 700;
  color: var(--sub);
  margin-bottom: 4px;
}

.focus-countdown {
  font-size: clamp(60px, 22vw, 140px) !important;
}

.focus-view .close-btn { margin-top: 10px; }

/* 0秒到達時のフルスクリーン表示 */
.now-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 30px;
  padding: 24px;
  text-align: center;
  background: #000000;
  animation: bgflash 0.4s steps(1) infinite alternate;
}

.now-overlay.show { display: flex; }

@keyframes bgflash {
  from { background-color: #000000; }
  to { background-color: #0a3a75; }
}

.now-overlay .now-text {
  font-size: clamp(70px, 24vw, 160px);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  text-shadow: 0 0 60px rgba(10, 132, 255, 0.9);
}

.close-btn {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.28);
  padding: 13px 30px;
  border-radius: 999px;
  width: auto;
}

/* 起動スプラッシュ画面 */
.splash {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: #000000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  transition: opacity 0.6s ease;
}

.splash.hide {
  opacity: 0;
  pointer-events: none;
}

.splash-title {
  font-size: clamp(36px, 11vw, 56px);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.01em;
  text-shadow: 0 0 44px rgba(10, 132, 255, 0.85);
}

.splash-en {
  font-size: 15px;
  font-weight: 600;
  color: var(--blue);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-top: -6px;
}

.splash-tagline {
  font-size: 15px;
  color: var(--sub);
  letter-spacing: 0.02em;
}

/* 設定ボタン・設定画面 */
.settings-fab-wrap {
  position: fixed;
  right: 20px;
  bottom: calc(24px + env(safe-area-inset-bottom));
  z-index: 400;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.settings-fab-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--blue);
  background: rgba(28, 28, 30, 0.85);
  padding: 3px 9px;
  border-radius: 999px;
}

.settings-fab {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--card);
  border: 1.5px solid var(--blue);
  color: var(--ink);
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.45);
  animation: fab-glow 2.4s ease-in-out infinite;
}

.settings-fab:active { transform: scale(0.95); }

@keyframes fab-glow {
  0%, 100% { box-shadow: 0 10px 24px rgba(0, 0, 0, 0.45), 0 0 0 0 rgba(10, 132, 255, 0.35); }
  50% { box-shadow: 0 10px 24px rgba(0, 0, 0, 0.45), 0 0 0 8px rgba(10, 132, 255, 0); }
}

.settings-hint {
  position: fixed;
  right: 20px;
  bottom: calc(94px + env(safe-area-inset-bottom));
  z-index: 401;
  max-width: 220px;
  background: var(--card);
  border: 1px solid var(--blue);
  border-radius: 14px;
  padding: 12px 14px;
  box-shadow: var(--shadow);
  transition: opacity 0.3s ease;
  opacity: 0;
  pointer-events: none;
}

.settings-hint p {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--ink);
}

.settings-hint.show {
  opacity: 1;
  pointer-events: auto;
}

.settings-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1500;
  background: rgba(0, 0, 0, 0.6);
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.settings-overlay.show { display: flex; }

.settings-panel {
  width: 100%;
  max-width: 380px;
  max-height: 82vh;
  overflow-y: auto;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 26px 22px;
  box-shadow: var(--shadow);
  text-align: left;
}

.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.settings-header h2 {
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
  margin: 0;
}

.settings-close {
  width: auto;
  background: transparent;
  border: none;
  color: var(--sub);
  font-size: 20px;
  padding: 4px 8px;
}

.running-indicator {
  opacity: 0.55;
  cursor: default;
}

.running-indicator:active { transform: none; }

.cancel-btn {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: #fff;
  padding: 16px;
  border-radius: 16px;
  background: #ff3b30;
  margin-top: 10px;
  transition: opacity 0.12s ease, transform 0.12s ease;
}

.cancel-btn:active { transform: scale(0.98); opacity: 0.85; }

.call-now-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  background: var(--blue);
  padding: 16px 30px;
  border-radius: 999px;
  text-decoration: none;
  box-shadow: 0 10px 24px rgba(10, 132, 255, 0.4);
}

.call-now-btn:active { transform: scale(0.98); opacity: 0.9; }

.completion-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: -8px;
}

.completion-row {
  font-size: 13px;
  color: var(--sub);
}

.completion-row span + span {
  color: var(--ink);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.retry-btn {
  width: auto;
  min-width: 200px;
  padding: 15px 26px;
}

.sleep-badge {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--sub-dim);
  margin-bottom: 12px;
}

.now-overlay.sleep-mode {
  animation: none;
  background: #000000;
}

.now-overlay.sleep-mode .now-text {
  text-shadow: none;
  color: #58585c;
  font-size: clamp(48px, 15vw, 92px);
}

#statusCard.sleep-mode .countdown.warn,
.focus-view.sleep-mode .countdown.warn {
  color: #58585c;
  text-shadow: none;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(100px + env(safe-area-inset-bottom));
  transform: translateX(-50%) translateY(10px);
  z-index: 1600;
  max-width: 320px;
  width: calc(100% - 40px);
  background: var(--card);
  border: 1px solid var(--blue);
  border-radius: 14px;
  padding: 14px 18px;
  box-shadow: var(--shadow);
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.toast p {
  margin: 0;
  font-size: 13.5px;
  color: var(--ink);
  font-weight: 600;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* 2026-07-29：スリープ秒数が大きいときの「＝○分」表示。
   1439秒のような打ち間違いに、押す前に気づけるようにするための注意喚起。 */
.sleep-sec-hint {
  align-self: center;
  font-size: 13px;
  font-weight: 700;
  color: #ffcf6b;
  white-space: nowrap;
}