/* Travel editorial: variance 6, motion 4, density 2.
   Native CSS. Layers: canvas 0, experience 1, menu scrim 3, menu 4, notices 5. */
:root {
  color-scheme: light dark;
  --paper: #f4f5f2;
  --ink: #182d34;
  --muted: #5d6a6d;
  --line: #d5dcd9;
  --accent: #306f70;
  --image-bed: #dce3df;
  --gutter: clamp(18px, 3.2vw, 52px);
  --gap: clamp(10px, 1.25vw, 20px);
  --ease: cubic-bezier(.22,.7,.2,1);
  font-family: 'Helvetica Neue', 'PingFang TC', 'Noto Sans TC', system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink);
}
@media (prefers-color-scheme: dark) {
  :root { --paper: #10232b; --ink: #f0f2ec; --muted: #b4c0c2; --line: #354951; --accent: #b8cfcb; --image-bed: #21373e; }
}
* { box-sizing: border-box; }
body { margin: 0; overflow: hidden; }
[hidden] { display: none !important; }
button, a, input { -webkit-tap-highlight-color: transparent; }
button, input { font: inherit; }
button { cursor: pointer; border: 0; border-radius: 0; }
button, a { touch-action: manipulation; }
button { color: inherit; background: transparent; }
button:active { transform: translateY(1px); }
button:disabled { opacity: .3; cursor: default; }
button:focus-visible, a:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
a { color: inherit; }
h1, h2, p, figure { margin: 0; }
img { display: block; width: 100%; height: 100%; object-fit: cover; }
.skip-link { position: fixed; top: -80px; z-index: 6; padding: 12px; background: var(--paper); }
.skip-link:focus { top: 0; }
#ambient-canvas { position: fixed; inset: 0; z-index: 0; width: 100%; height: 100%; opacity: .14; pointer-events: none; }
.experience { position: relative; z-index: 1; display: grid; grid-template-rows: 82px minmax(0,1fr) 78px; width: 100%; height: 100svh; padding: env(safe-area-inset-top) var(--gutter) env(safe-area-inset-bottom); }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-width: 0; }
.wordmark { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.wordmark-mark { display: grid; place-items: center; width: 32px; height: 36px; border: 1px solid var(--muted); font: 24px Georgia, serif; }
.wordmark strong { display: block; font-size: 11px; font-weight: 600; letter-spacing: .13em; }
.wordmark small { display: block; margin-top: 4px; color: var(--muted); font-size: 9px; letter-spacing: .18em; }
.header-meta { display: flex; align-items: center; gap: 26px; font-size: 12px; }
#chapter-label { color: var(--muted); }
.quiet-button, .text-button { min-height: 44px; padding: 8px 0; font-size: 12px; }
.quiet-button span { margin-left: 14px; }
.page-viewport { position: relative; min-height: 0; min-width: 0; overflow: hidden; outline: 0; isolation: isolate; }
.page { position: absolute; inset: 0; visibility: hidden; opacity: 0; pointer-events: none; transform: translateX(18px); transition: opacity .6s var(--ease), transform .6s var(--ease), visibility .6s; }
.page.is-active { visibility: visible; opacity: 1; transform: translateX(0); pointer-events: auto; }
.page.is-leaving { visibility: visible; opacity: 0; transform: translateX(-18px); }
.page-inner { display: grid; grid-template-rows: auto minmax(0,1fr); gap: 16px; height: 100%; min-height: 0; padding: 4px 0 8px; overflow: hidden; }
.page-heading { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 4px 20px; min-height: 44px; }
.page-heading h2 { font-size: clamp(22px, 2.1vw, 30px); font-weight: 500; line-height: 1.35; letter-spacing: -.025em; }
.scene-tabs { display: flex; align-items: center; gap: 4px; }
.scene-tabs button { position: relative; min-height: 44px; padding: 10px 12px; color: var(--muted); font-size: 12px; }
.scene-tabs button::after { content: ''; position: absolute; bottom: 3px; left: 12px; right: 12px; height: 1px; background: currentColor; transform: scaleX(0); transition: transform .2s; }
.scene-tabs button.is-selected { color: var(--ink); }
.scene-tabs button.is-selected::after { transform: scaleX(1); }
.photo-grid, .photo-grid > *, .photo-strip { min-height: 0; min-width: 0; }
.photo-grid { display: grid; gap: var(--gap); }
.photo-grid figure { display: grid; grid-template-rows: minmax(0,1fr) auto; overflow: hidden; min-height: 0; }
.photo-grid figure img { min-height: 0; background: var(--image-bed); }
figcaption { padding-top: 8px; color: var(--muted); font-size: 11px; line-height: 1.4; letter-spacing: .025em; }
.journal-collage { grid-template-columns: 1.1fr 1fr 1fr; grid-template-rows: minmax(0,1fr) minmax(0,1fr); }
.journal-large { grid-row: 1 / 3; }
.journal-wide { grid-column: 2 / 4; }
.bali-gallery { grid-template-columns: minmax(0, 3fr) minmax(0, 1fr); }
.photo-strip { display: grid; grid-template-rows: repeat(3,minmax(0,1fr)); gap: var(--gap); }
.mosaic-gallery { grid-template-columns: 1.4fr 1fr 1fr; grid-template-rows: repeat(2,minmax(0,1fr)); }
.mosaic-feature { grid-row: 1 / 3; }
.japan-gallery { grid-template-columns: 2.2fr 1fr; }
.japan-detail { margin-top: 18%; }
.europe-gallery { grid-template-columns: 2fr 1fr; grid-template-rows: repeat(2,minmax(0,1fr)); }
.europe-main { grid-row: 1 / 3; }
.cover-photo { position: absolute; inset: 0; object-position: 58% 50%; }
.cover-shade { position: absolute; inset: 0; background: linear-gradient(0deg, rgb(2 19 28 / .7), transparent 66%); }
.cover-content { position: absolute; bottom: clamp(32px, 6vh, 68px); left: clamp(24px, 4.4vw, 72px); color: #fcfcf8; }
.cover-content h1 { font: 400 clamp(50px, 6vw, 88px)/1.05 'Helvetica Neue', Arial, sans-serif; letter-spacing: -.06em; }
.cover-content p { margin-top: 16px; font-size: clamp(14px, 1.3vw, 18px); letter-spacing: .08em; }
.cover-start { display: flex; align-items: center; gap: 36px; min-height: 44px; padding: 8px 0; margin-top: 24px; border-bottom: 1px solid rgb(255 255 255 / .6); color: #fcfcf8; font-size: 13px; }
.cover-location { position: absolute; bottom: 34px; right: 30px; color: #f7f8f3; font-size: 11px; letter-spacing: .12em; }
.preference-inner { grid-template-rows: auto minmax(0,1fr) auto; }
.selection-hint { color: var(--muted); font-size: 12px; }
.preference-options { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: var(--gap); min-height: 0; }
.preference-option { position: relative; display: grid; grid-template-rows: minmax(0,1fr) 44px; gap: 4px; min-height: 0; cursor: pointer; }
.preference-option img { min-height: 0; transition: filter .25s; }
.preference-option input { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: pointer; }
.preference-option:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: 4px; }
.preference-option:has(input:checked) img { outline: 3px solid var(--accent); outline-offset: -3px; }
.option-label { display: flex; align-items: center; justify-content: space-between; font-size: 13px; }
.option-label b { display: grid; place-items: center; width: 28px; height: 28px; border: 1px solid var(--line); font-weight: 400; font-size: 18px; }
.preference-option:has(input:checked) b { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.selection-footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 48px; }
.proposal-summary { font-size: 12px; line-height: 1.7; color: var(--muted); }
.replay-button { flex-shrink: 0; min-height: 44px; padding: 10px 2px 10px 16px; font-size: 12px; }
.replay-button span { padding-left: 8px; }
.control-bar { position: relative; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 12px; min-width: 0; }
.control-left, .timer-status { display: flex; align-items: center; gap: 8px; }
.icon-button { width: 44px; height: 44px; font-size: 22px; }
.icon-button:hover:enabled { background: var(--image-bed); }
.timer-status { gap: 20px; }
.play-toggle { display: flex; align-items: center; gap: 8px; min-width: 64px; min-height: 44px; padding: 8px; font-size: 12px; }
.play-icon { font-size: 11px; }
.countdown { min-width: 108px; color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.page-status { justify-self: end; display: flex; gap: 9px; align-items: center; color: var(--ink); font-size: 12px; font-variant-numeric: tabular-nums; }
.page-divider, #page-total { color: var(--muted); }
.page-title { display: none; }
.top-progress { position: absolute; top: 0; left: 0; right: 0; height: 1px; background: var(--line); }
.top-progress span { display: block; width: 100%; height: 100%; background: var(--accent); transform: scaleX(.142857); transform-origin: left; transition: transform .6s var(--ease); }
.editing-notice { position: fixed; z-index: 5; bottom: 86px; left: 50%; transform: translateX(-50%); display: flex; align-items: center; gap: 16px; padding: 8px 16px; background: var(--ink); color: var(--paper); font-size: 12px; max-width: calc(100% - 32px); }
.editing-notice button { min-height: 44px; white-space: nowrap; text-decoration: underline; }
.chapter-menu { position: fixed; z-index: 4; top: 0; right: 0; bottom: 0; width: min(400px,92vw); padding: max(24px, env(safe-area-inset-top)) 28px; background: var(--paper); overflow-y: auto; visibility: hidden; transform: translateX(100%); transition: transform .3s var(--ease), visibility .3s; }
.chapter-menu.is-open { visibility: visible; transform: translateX(0); }
.menu-head, .dialog-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.menu-head h2, .dialog-head h2 { font-size: 22px; font-weight: 500; }
#chapter-links { margin-top: 24px; display: grid; }
.chapter-link { display: flex; gap: 20px; align-items: center; min-height: 58px; text-align: left; border-bottom: 1px solid var(--line); }
.chapter-link span { color: var(--muted); font-size: 11px; }
.chapter-link strong { font-weight: 400; font-size: 15px; }
.chapter-link.is-current strong { text-decoration: underline; text-underline-offset: 6px; }
.credits-link { margin-top: 24px; text-decoration: underline; text-underline-offset: 4px; color: var(--muted); }
.menu-scrim { position: fixed; inset: 0; z-index: 3; background: rgb(5 18 24 / .45); opacity: 0; transition: opacity .3s; }
.menu-scrim.is-visible { opacity: 1; }
.credits-dialog { max-width: 540px; width: calc(100% - 32px); max-height: 80svh; padding: 24px; border: 1px solid var(--line); background: var(--paper); color: var(--ink); }
.credits-dialog::backdrop { background: rgb(5 18 24 / .65); }
.dialog-content { margin-top: 20px; font-size: 14px; line-height: 1.8; }
.dialog-content p { margin-bottom: 16px; }
.noscript { position: fixed; z-index: 5; inset: 0; display: grid; place-content: center; background: var(--paper); }
@media (hover: hover) {
  .preference-option:hover img { filter: brightness(1.06); }
  .scene-tabs button:hover { color: var(--ink); }
}
@media (max-width: 900px) and (orientation: portrait) {
  .japan-gallery { grid-template-columns: 1.7fr 1fr; }
  .japan-detail { margin-top: 38%; }
  .preference-options { grid-template-columns: repeat(2,minmax(0,1fr)); grid-template-rows: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 620px) {
  .experience { grid-template-rows: 66px minmax(0,1fr) 70px; }
  #chapter-label { display: none; }
  .page-inner { gap: 12px; }
  .page-heading { gap: 0 10px; }
  .page-heading h2 { font-size: 21px; }
  .scene-tabs { gap: 0; }
  .scene-tabs button { padding: 8px; font-size: 11px; }
  .scene-tabs button::after { left: 8px; right: 8px; }
  .journal-collage { grid-template-columns: 1fr 1fr; grid-template-rows: repeat(2,minmax(0,1fr)); }
  .journal-large { grid-row: auto; }
  .journal-wide { grid-column: auto; }
  .bali-gallery { grid-template-columns: 1fr; grid-template-rows: minmax(0,3fr) minmax(0,1fr); }
  .photo-strip { grid-template-columns: repeat(3,minmax(0,1fr)); grid-template-rows: minmax(0,1fr); }
  .mosaic-gallery { grid-template-columns: repeat(2,minmax(0,1fr)); grid-template-rows: repeat(3,minmax(0,1fr)); }
  .mosaic-feature { grid-column: 1 / 3; grid-row: auto; }
  .japan-gallery { grid-template-columns: 1fr; grid-template-rows: minmax(0,2fr) minmax(0,1fr); }
  .japan-detail { margin-top: 0; }
  .europe-gallery { grid-template-columns: 1fr 1fr; grid-template-rows: minmax(0,2fr) minmax(0,1fr); }
  .europe-main { grid-row: auto; grid-column: 1 / 3; }
  .preference-options { grid-template-columns: 1fr 1fr; grid-template-rows: repeat(2,minmax(0,1fr)); }
  .preference-option { grid-template-rows: minmax(0,1fr) 36px; gap: 0; }
  .selection-footer { gap: 4px; }
  .proposal-summary { font-size: 11px; }
  .control-bar { grid-template-columns: auto minmax(0,1fr) auto; gap: 4px; }
  .control-left { gap: 0; }
  .timer-status { gap: 2px; justify-content: center; }
  .icon-button { width: 40px; }
  .play-toggle { min-width: 56px; gap: 4px; padding: 6px; font-size: 11px; }
  .countdown { min-width: 0; font-size: 10px; white-space: nowrap; }
  .page-status { gap: 5px; font-size: 10px; }
  figcaption { padding-top: 6px; font-size: 10px; }
  .cover-content { bottom: 46px; left: 24px; }
  .cover-location { right: 20px; bottom: 20px; }
}
@media (max-height: 540px) and (orientation: landscape) {
  .experience { grid-template-rows: 56px minmax(0,1fr) 56px; }
  .page-inner { gap: 6px; padding: 0 0 6px; }
  .page-heading h2 { font-size: 21px; }
  .cover-content { bottom: 24px; }
  .cover-content h1 { font-size: 42px; }
  .cover-content p { margin-top: 8px; font-size: 13px; }
  .cover-start { margin-top: 10px; }
  .preference-inner { grid-template-rows: auto minmax(0,1fr) 44px; }
  .preference-options { grid-template-columns: repeat(4,minmax(0,1fr)); grid-template-rows: minmax(0,1fr); }
  .preference-option { grid-template-rows: minmax(0,1fr) 28px; }
  .selection-footer { min-height: 44px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; scroll-behavior: auto !important; }
  #ambient-canvas { display: none; }
}