:root {
  --bg: #f7f1e5;
  --bg-deep: #efe2c4;
  --panel: rgba(255, 250, 240, 0.82);
  --panel-strong: rgba(255, 250, 240, 0.92);
  --text: #1f2a1d;
  --muted: #5c6651;
  --accent: #bc5a2c;
  --accent-soft: #e7c3a8;
  --green: #426a4f;
  --green-soft: #dce6d9;
  --line: rgba(31, 42, 29, 0.12);
  --shadow: 0 22px 55px rgba(76, 53, 18, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "BIZ UDPGothic", "Yu Gothic UI", "Hiragino Sans", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(188, 90, 44, 0.14), transparent 30%),
    radial-gradient(circle at top right, rgba(66, 106, 79, 0.15), transparent 28%),
    linear-gradient(160deg, var(--bg) 0%, var(--bg-deep) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.55), transparent 75%);
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
}

.hero {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 20px;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 36px;
  background: linear-gradient(135deg, rgba(255, 247, 236, 0.9), rgba(255, 243, 228, 0.72));
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  animation: rise 0.65s ease both;
}

.hero-copy h1 {
  margin: 10px 0 12px;
  font-family: Georgia, "Yu Mincho", serif;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.04;
}

.hero-text {
  max-width: 58ch;
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.hero-note,
.helper-note {
  color: var(--muted);
  line-height: 1.7;
}

.hero-note {
  margin: 14px 0 0;
}

.eyebrow,
.section-kicker {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  color: var(--accent);
}

.hero-panel {
  display: grid;
  gap: 14px;
}

.hero-stat {
  padding: 18px 20px;
  border-radius: var(--radius-lg);
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.7);
}

.hero-stat.accent {
  background: linear-gradient(135deg, rgba(188, 90, 44, 0.18), rgba(255, 250, 240, 0.9));
}

.hero-stat-label,
.saved-progress-label,
.checkpoint-label,
.milestone-target-label,
.sprint-page-label {
  display: block;
  font-size: 0.9rem;
  color: var(--muted);
}

.hero-stat strong {
  display: block;
  margin-top: 6px;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 20px;
  margin-top: 20px;
}

.card {
  padding: 24px;
  border-radius: var(--radius-xl);
  background: var(--panel-strong);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  animation: rise 0.7s ease both;
}

.planner-card,
.milestones-card {
  grid-column: span 1;
}

.tracker-card,
.sprint-card {
  grid-column: span 1;
}

.section-heading {
  margin-bottom: 18px;
}

.section-heading h2 {
  margin: 8px 0 0;
  font-family: Georgia, "Yu Mincho", serif;
  font-size: 1.8rem;
}

.planner-form,
.log-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.checkpoint-form {
  display: grid;
  gap: 14px;
}

.planner-form label,
.log-form label {
  display: grid;
  gap: 8px;
  font-size: 0.95rem;
}

.full-span {
  grid-column: 1 / -1;
}

input,
button {
  font: inherit;
}

input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(31, 42, 29, 0.12);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.8);
  color: var(--text);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

input:focus {
  outline: none;
  border-color: rgba(188, 90, 44, 0.6);
  box-shadow: 0 0 0 4px rgba(188, 90, 44, 0.14);
  transform: translateY(-1px);
}

input:disabled,
button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

button {
  border: none;
  border-radius: 999px;
  padding: 14px 18px;
  background: linear-gradient(135deg, var(--accent), #d27a4f);
  color: #fffdf9;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 22px rgba(188, 90, 44, 0.2);
}

button:active {
  transform: translateY(0);
}

.ghost-button {
  background: transparent;
  color: var(--green);
  border: 1px solid rgba(66, 106, 79, 0.22);
}

.planner-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 16px;
}

.helper-note {
  margin: 0;
  font-size: 0.92rem;
}

.status-banner {
  margin-top: 18px;
  padding: 18px;
  border-radius: 18px;
  line-height: 1.65;
  background: linear-gradient(135deg, rgba(66, 106, 79, 0.13), rgba(255, 255, 255, 0.6));
  border: 1px solid rgba(66, 106, 79, 0.12);
}

.status-banner.warning {
  background: linear-gradient(135deg, rgba(188, 90, 44, 0.18), rgba(255, 255, 255, 0.6));
  border-color: rgba(188, 90, 44, 0.2);
}

.status-banner.error {
  background: linear-gradient(135deg, rgba(167, 62, 62, 0.18), rgba(255, 255, 255, 0.62));
  border-color: rgba(167, 62, 62, 0.22);
}

.checkpoint-result {
  margin-top: 18px;
  padding: 18px;
  border-radius: 18px;
  line-height: 1.65;
  background: linear-gradient(135deg, rgba(188, 90, 44, 0.12), rgba(255, 255, 255, 0.62));
  border: 1px solid rgba(188, 90, 44, 0.14);
  color: var(--muted);
}

.checkpoint-result strong {
  color: var(--text);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.summary-card,
.milestone-item,
.sprint-item,
.saved-progress {
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.68);
}

.summary-card {
  padding: 18px;
}

.summary-card span {
  font-size: 0.88rem;
  color: var(--muted);
}

.summary-card strong {
  display: block;
  margin: 10px 0 6px;
  font-size: 2rem;
  font-family: Georgia, "Yu Mincho", serif;
}

.summary-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.progress-wrap {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: center;
}

.progress-ring {
  --progress: 20%;
  width: 164px;
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, rgba(255, 248, 238, 0.95) 56%, transparent 57%),
    conic-gradient(var(--accent) 0 var(--progress), rgba(66, 106, 79, 0.16) var(--progress) 100%);
  display: grid;
  place-items: center;
}

.progress-ring-inner {
  display: grid;
  place-items: center;
  width: 116px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: rgba(255, 251, 246, 0.95);
  box-shadow: inset 0 0 0 1px rgba(31, 42, 29, 0.08);
}

.progress-ring-inner span {
  font-family: Georgia, "Yu Mincho", serif;
  font-size: 2rem;
}

.progress-ring-inner small,
.progress-copy p,
.saved-progress {
  color: var(--muted);
}

.progress-copy p {
  margin: 0;
  line-height: 1.7;
}

.mini-goal {
  margin-top: 8px !important;
  font-size: 1.1rem;
  color: var(--text) !important;
}

.log-form {
  margin-top: 22px;
  grid-template-columns: 1fr auto;
  align-items: end;
}

.saved-progress {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-top: 18px;
  padding: 16px 18px;
}

.saved-progress strong {
  display: block;
  margin-top: 6px;
  color: var(--text);
}

.milestone-list,
.sprint-list {
  display: grid;
  gap: 12px;
}

.empty-state {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.68);
  color: var(--muted);
  line-height: 1.65;
}

.milestone-item,
.sprint-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 16px 18px;
}

.milestone-week,
.sprint-date {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.milestone-range,
.sprint-focus,
.milestone-target,
.sprint-page {
  display: block;
  margin-top: 6px;
  font-size: 1.1rem;
}

.milestone-target-wrap,
.sprint-page-wrap {
  text-align: right;
}

.sprint-focus {
  font-family: Georgia, "Yu Mincho", serif;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .hero,
  .layout {
    grid-template-columns: 1fr;
  }

  .summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100% - 20px, 100%);
    padding-top: 16px;
  }

  .hero,
  .card {
    padding: 20px;
    border-radius: 24px;
  }

  .planner-form,
  .summary-grid,
  .log-form,
  .progress-wrap {
    grid-template-columns: 1fr;
  }

  .planner-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .progress-ring {
    margin-inline: auto;
  }

  .saved-progress,
  .milestone-item,
  .sprint-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .milestone-target-wrap,
  .sprint-page-wrap {
    text-align: left;
  }
}