/* ============================================================
   四国旅行のしおり — 和紙 × 藍 × 朱
   システム明朝を見出しに使い、Webフォント依存ゼロでオフライン最優先
   ============================================================ */

:root {
  --paper: #f6f1e6;
  --paper-deep: #efe7d5;
  --ink: #22344c;
  --ink-soft: #5c6b80;
  --vermilion: #cf3a1f;
  --vermilion-soft: rgba(207, 58, 31, 0.12);
  --sea: #23707d;
  --line: rgba(34, 52, 76, 0.28);
  --card: rgba(255, 253, 247, 0.72);
  --shadow: 0 1px 2px rgba(34, 52, 76, 0.08), 0 6px 18px rgba(34, 52, 76, 0.07);
  --font-display: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Noto Serif JP", serif;
  --font-body: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #171c26;
    --paper-deep: #10141c;
    --ink: #e8e2d2;
    --ink-soft: #9aa4b5;
    --vermilion: #e85a3c;
    --vermilion-soft: rgba(232, 90, 60, 0.16);
    --sea: #5fb7c4;
    --line: rgba(232, 226, 210, 0.26);
    --card: rgba(30, 37, 50, 0.72);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 6px 18px rgba(0, 0, 0, 0.3);
  }
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.7;
  padding-bottom: 4rem;
}

/* 和紙の質感（feTurbulenceノイズ + わずかな色ムラ） */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 120% 60% at 20% -5%, var(--paper-deep), transparent 60%),
    radial-gradient(ellipse 90% 50% at 90% 105%, var(--paper-deep), transparent 55%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0.5 0 0 0 0 0.45 0 0 0 0 0.35 0 0 0 0.06 0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- ヘッダー ---------- */

.hero {
  max-width: 42rem;
  margin: 0 auto;
  padding: calc(2.6rem + env(safe-area-inset-top)) 1.4rem 2rem;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.hero-text { flex: 1; min-width: 0; }

.hero-kicker {
  font-size: 0.72rem;
  letter-spacing: 0.42em;
  color: var(--ink-soft);
  margin-bottom: 0.4rem;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.7rem, 6.4vw, 2.4rem);
  letter-spacing: 0.06em;
  line-height: 1.3;
}

.hero-range {
  font-family: var(--font-display);
  color: var(--vermilion);
  letter-spacing: 0.12em;
  margin-top: 0.5rem;
  font-size: 1rem;
}

/* 朱印風スタンプ */
.stamp {
  flex-shrink: 0;
  width: 4.8rem;
  height: 4.8rem;
  border: 3px solid var(--vermilion);
  border-radius: 50%;
  display: grid;
  place-content: center;
  text-align: center;
  transform: rotate(-8deg);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  line-height: 1.25;
  letter-spacing: 0.1em;
  color: var(--vermilion);
  opacity: 0.88;
  box-shadow: inset 0 0 0 1px var(--vermilion-soft);
}

/* ---------- 日別セクション ---------- */

#app {
  max-width: 42rem;
  margin: 0 auto;
  padding: 0 1.4rem;
}

.day {
  margin-bottom: 2.6rem;
  animation: fade-up 0.6s both;
  animation-delay: calc(var(--i, 0) * 90ms);
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .day { animation: none; }
}

.day-head {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  padding: 0.7rem 0 0.55rem;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.day-num {
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
  color: var(--vermilion);
  font-family: var(--font-display);
}

.day-num-label {
  font-size: 0.68rem;
  letter-spacing: 0.28em;
}

.day-num-value {
  font-size: 2rem;
  font-weight: 600;
  line-height: 1;
}

.day-meta { flex: 1; min-width: 0; }

.day-date {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
}

.day-theme {
  font-size: 0.78rem;
  color: var(--ink-soft);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.day-subtotal {
  font-size: 0.8rem;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

/* ---------- タイムライン ---------- */

.day-items { padding-top: 1.1rem; }

.item, .move {
  display: grid;
  grid-template-columns: 3.4rem 1.5rem 1fr;
  column-gap: 0.55rem;
}

.item-time {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-align: right;
  padding-top: 0.15rem;
  font-variant-numeric: tabular-nums;
}

.item-rail {
  position: relative;
}

.item-rail::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  margin-left: -1px;
  background: var(--line);
}

.item.is-first .item-rail::before { top: 0.55rem; }
.item.is-last .item-rail::before { display: none; }
.item.is-last:not(.is-first) .item-rail::before { display: block; bottom: auto; height: 0.55rem; }

.rail-dot {
  position: absolute;
  left: 50%;
  top: 0.55rem;
  width: 11px;
  height: 11px;
  transform: translate(-50%, -50%) rotate(45deg);
  background: var(--vermilion);
  box-shadow: 0 0 0 3px var(--paper);
}

.item-body {
  padding-bottom: 1.35rem;
  min-width: 0;
}

.item-place {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.12rem;
  letter-spacing: 0.03em;
  line-height: 1.45;
}

.item-address {
  display: block;
  width: 100%;
  text-align: left;
  margin-top: 0.35rem;
  padding: 0.45rem 0.6rem;
  border: 1px dashed var(--line);
  border-radius: 6px;
  background: transparent;
  color: var(--ink-soft);
  font-family: var(--font-body);
  font-size: 0.82rem;
  line-height: 1.5;
  cursor: pointer;
}

.item-address:active { background: var(--vermilion-soft); }

.address-hint {
  display: block;
  font-size: 0.66rem;
  color: var(--vermilion);
  letter-spacing: 0.14em;
  margin-top: 0.1rem;
}

.item-memo {
  margin-top: 0.35rem;
  font-size: 0.86rem;
  color: var(--ink-soft);
}

.item-booking {
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
  margin-top: 0.55rem;
  padding: 0.6rem 0.7rem;
  background: var(--card);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.booking-badge {
  flex-shrink: 0;
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  color: #fff;
  background: var(--vermilion);
  border-radius: 3px;
  padding: 0.15rem 0.4rem 0.1rem 0.5rem;
  margin-top: 0.2rem;
}

.booking-lines { font-size: 0.84rem; min-width: 0; }
.booking-name { font-weight: 600; }
.booking-detail { color: var(--ink-soft); font-size: 0.8rem; }
.booking-tel { color: var(--sea); text-decoration: none; border-bottom: 1px solid currentColor; }

.item-cost {
  display: inline-block;
  margin-top: 0.45rem;
  font-size: 0.8rem;
  color: var(--vermilion);
  border: 1px solid currentColor;
  border-radius: 999px;
  padding: 0 0.6rem;
  font-variant-numeric: tabular-nums;
}

.item-photos {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.6rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.item-photos img {
  height: 6.5rem;
  border-radius: 8px;
  box-shadow: var(--shadow);
  flex-shrink: 0;
}

/* 移動（予定と予定の間） */

.move { min-height: 2.4rem; margin-top: -0.6rem; padding-bottom: 0.75rem; }

.move-rail {
  position: relative;
}

.move-rail::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 0;
  margin-left: -1px;
  border-left: 2px dotted var(--sea);
}

.move-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--sea);
}

.move-icon { font-size: 0.95rem; }

/* ---------- 予約一覧・費用 ---------- */

.summary {
  margin: 2.4rem 0;
  padding: 1.1rem 1.2rem 1.2rem;
  background: var(--card);
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.summary-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.22em;
  color: var(--vermilion);
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.5rem;
  margin-bottom: 0.7rem;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  padding: 0.3rem 0;
  font-size: 0.86rem;
}

.summary-date { color: var(--ink-soft); flex-shrink: 0; }
.summary-text { text-align: right; min-width: 0; }
.summary-cost { font-variant-numeric: tabular-nums; }

.summary-total {
  border-top: 1px solid var(--line);
  margin-top: 0.4rem;
  padding-top: 0.55rem;
  font-weight: 600;
}

.summary-total .summary-date { color: var(--ink); }
.summary-total .summary-cost { color: var(--vermilion); }

/* ---------- フッター・今日へボタン・トースト ---------- */

.foot {
  max-width: 42rem;
  margin: 0 auto;
  padding: 1rem 1.4rem 2rem;
  text-align: center;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--ink-soft);
}

.today-jump {
  position: fixed;
  right: 1.1rem;
  bottom: calc(1.1rem + env(safe-area-inset-bottom));
  z-index: 20;
  border: none;
  border-radius: 999px;
  padding: 0.65rem 1.1rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.14em;
  color: #fff;
  background: var(--vermilion);
  box-shadow: 0 4px 14px rgba(207, 58, 31, 0.4);
  cursor: pointer;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(4.4rem + env(safe-area-inset-bottom));
  transform: translate(-50%, 8px);
  z-index: 30;
  background: var(--ink);
  color: var(--paper);
  font-size: 0.8rem;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
}

.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

/* ---------- 印刷（紙のしおりとしても使える） ---------- */

@media print {
  body::before { display: none; }
  .today-jump, .toast, .address-hint { display: none; }
  .day-head { position: static; }
  body { background: #fff; }
}