/* Reloop Planner v2 (2026-09-23). Tokens follow Design System v0.2.1:
   paper canvas, ink 1px rules, no radius, coral only for the primary action
   and the currently selected slide/passage. */
:root {
  --paper: #F2EFE7;
  --paper-soft: #ECE9E1;
  --raised: #FFFFFF;
  --night: #1A1813;
  --ink: #14130F;
  --ink-2: #3B382F;
  --muted: #5C594F;
  --inverse: #F6F3EC;
  --inverse-muted: #C7C2B5;
  --line: #D6D0C2;
  --line-control: #8A867A;
  --coral: #B8402A;
  --coral-hover: #9A3220;
  --coral-tint: #F6E7E2;
  --coral-deco: #DF5F43;
  --warn-ink: #6E4700;
  --warn-bg: #FBF0D9;
  --wrap: 1240px;
  --gutter: 32px;
  --jp: "Zen Kaku Gothic New", "Hiragino Sans", "Noto Sans JP", "Yu Gothic", sans-serif;
  --latin: system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme: light;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { background: var(--paper); -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 18px/1.75 var(--jp); letter-spacing: .02em; }
:lang(en) body, body:lang(en) { font-family: var(--latin); letter-spacing: 0; }
h1, h2, h3 { font-weight: 700; letter-spacing: 0; font-feature-settings: "palt"; text-wrap: balance; }
p, li, dd { text-wrap: pretty; }
a { color: inherit; }
button, textarea, input { font: inherit; letter-spacing: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 0; box-shadow: 0 0 0 2px var(--paper), 0 0 0 4px var(--ink); }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: 16px; top: -60px; z-index: 50; background: var(--ink); color: var(--inverse); padding: 10px 14px; }
.skip:focus { top: 12px; }
.wrap { width: min(var(--wrap), calc(100% - var(--gutter) * 2)); margin-inline: auto; }

/* Header / footer — same mark, wordmark and colours as the site */
.site-head { border-bottom: 1px solid var(--ink); background: var(--paper); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; color: var(--ink); min-height: 44px; }
.brand svg { width: 26px; height: 26px; color: var(--coral); }
.brand span { font: 400 24px/1 "Instrument Serif", Georgia, serif; letter-spacing: -.015em; }
.head-nav { display: flex; align-items: center; gap: 4px; font-size: 15px; }
.head-nav a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 12px; text-decoration: none; }
.head-nav a:hover { color: var(--coral); text-decoration: underline; text-underline-offset: 6px; }
.head-nav .lang { font-family: var(--latin); font-size: 14px; font-weight: 500; letter-spacing: .06em; border: 1px solid var(--line-control); margin-left: 8px; }
.site-foot { background: var(--night); color: var(--inverse); margin-top: 96px; padding: 48px 0 32px; }
.site-foot .brand { color: var(--inverse); }
.site-foot .brand svg { color: #F08B72; }
.foot-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 32px; }
.foot-grid p { margin: 12px 0 0; color: var(--inverse-muted); font-size: 16px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 4px 20px; align-content: start; font-size: 16px; }
.foot-links a { display: inline-flex; min-height: 44px; align-items: center; text-decoration: none; }
.foot-links a:hover { text-decoration: underline; }
.foot-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; border-top: 1px solid #3A352D; margin-top: 32px; padding-top: 20px; color: var(--inverse-muted); font-size: 14px; }

/* Intro */
.intro { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 24px 64px; align-items: end; padding: 48px 0 36px; }
.kicker { margin: 0 0 14px; color: var(--coral); font-size: 16px; font-weight: 500; }
.intro h1 { margin: 0; font-size: clamp(34px, 4.4vw, 54px); line-height: 1.3; letter-spacing: -.035em; }
.intro h1 span { display: inline-block; }
.lead { margin: 20px 0 0; max-width: 34em; }
.facts { margin: 0; border-top: 1px solid var(--ink); }
.facts div { display: grid; grid-template-columns: 7.5em minmax(0, 1fr); gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.facts dt { font-size: 15px; font-weight: 700; color: var(--muted); padding-top: 2px; }
.facts dd { margin: 0; font-size: 17px; line-height: 1.65; }

/* Tool layout */
.tool { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 32px; align-items: start; border-top: 1px solid var(--ink); padding-top: 28px; }
.step-head { display: flex; align-items: baseline; flex-wrap: wrap; gap: 6px 12px; margin: 0 0 14px; }
.step-head h2 { margin: 0; font-size: 22px; line-height: 1.4; }
.step-no { display: inline-grid; place-items: center; width: 28px; height: 28px; background: var(--ink); color: #fff; font: 700 15px/1 var(--latin); transform: translateY(-2px); }
.meta { color: var(--muted); font-size: 15px; }
.step-head .meta { margin-left: auto; }

.source { position: sticky; top: 16px; display: flex; flex-direction: column; max-height: calc(100vh - 32px); max-height: calc(100dvh - 32px); min-height: 0; }
.source-body { display: flex; flex-direction: column; min-height: 0; flex: 1; }
.field-label { display: block; font-size: 16px; font-weight: 700; margin: 0 0 8px; }
textarea { width: 100%; border: 1px solid var(--line-control); border-radius: 0; background: var(--raised); padding: 14px 16px; line-height: 1.7; resize: vertical; }
textarea::placeholder { color: #807C71; }
#source { min-height: 300px; font-size: 16px; }
.row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; margin-top: 10px; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; }
.source-actions { margin-top: 12px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 10px 18px; border: 1px solid var(--ink); border-radius: 0; background: var(--raised); color: var(--ink); font-size: 16px; font-weight: 500; text-decoration: none; transition: background-color .12s, color .12s; }
.btn:hover { background: var(--paper-soft); }
.btn.primary { background: var(--coral); border-color: var(--coral); color: #fff; }
.btn.primary:hover { background: var(--coral-hover); border-color: var(--coral-hover); }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.text-btn { min-height: 44px; padding: 0 4px; border: 0; background: none; color: var(--ink); font-size: 16px; text-decoration: underline; text-underline-offset: 4px; text-decoration-color: var(--line-control); }
.text-btn:hover { color: var(--coral); text-decoration-color: currentColor; }
.message { margin: 0 0 12px; font-size: 16px; line-height: 1.6; }
.message:empty { display: none; }
.message[data-kind="error"] { color: var(--coral); font-weight: 500; }
.hint { margin: 14px 0 0; color: var(--muted); font-size: 16px; line-height: 1.7; }

/* Passage picker */
.pickbar { position: sticky; top: 0; z-index: 3; background: var(--paper); border: 1px solid var(--ink); padding: 10px 12px; display: grid; gap: 8px; }
.pickbar-row { display: flex; align-items: center; justify-content: space-between; gap: 8px 12px; flex-wrap: wrap; }
.pick-target { margin: 0; font-size: 16px; font-weight: 700; line-height: 1.5; }
.pick-target b { color: var(--coral); }
.slide-switch { display: flex; gap: 6px; }
.slide-switch button { width: 44px; height: 44px; border: 1px solid var(--line-control); background: var(--raised); font: 700 16px/1 var(--latin); position: relative; }
.slide-switch button[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.slide-switch button.has-quote::after { content: ""; position: absolute; right: 4px; top: 4px; width: 6px; height: 6px; background: var(--coral-deco); }
.pick-done { margin: 0; font-size: 16px; }
.passages { list-style: none; margin: 0; padding: 0; overflow-y: auto; min-height: 0; flex: 1; border-inline: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--raised); overscroll-behavior: contain; }
.passage { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 2px 10px; width: 100%; min-height: 48px; padding: 12px 14px; border: 0; border-bottom: 1px solid var(--line); background: var(--raised); text-align: left; font-size: 16px; line-height: 1.7; }
.passages li:last-child .passage { border-bottom: 0; }
.passage:hover { background: #FBFAF7; }
.passage[aria-pressed="true"] { background: var(--coral-tint); box-shadow: inset 4px 0 var(--coral); }
.passage-time { grid-column: 1; font: 500 14px/1.9 var(--latin); color: var(--muted); font-variant-numeric: tabular-nums; }
.passage-text { grid-column: 2; }
.passage:not(:has(.passage-time)) .passage-text { grid-column: 1 / -1; }
.passage-tags { grid-column: 2; display: flex; flex-wrap: wrap; gap: 6px; }
.passage:not(:has(.passage-time)) .passage-tags { grid-column: 1 / -1; }
.tag { display: inline-block; padding: 0 7px; border: 1px solid var(--ink); font-size: 14px; font-weight: 500; line-height: 1.6; background: var(--raised); }
.passage[aria-pressed="true"] .tag.is-active { background: var(--ink); color: #fff; }

/* Slides */
.preview { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; margin: 0 0 18px; }
.mini { aspect-ratio: 4 / 5; display: flex; flex-direction: column; justify-content: space-between; gap: 6px; padding: 10px; border: 1px solid var(--ink); background: var(--raised); text-align: left; overflow: hidden; min-width: 0; }
.mini .mini-no { font: 700 14px/1 var(--latin); }
.mini .mini-text { font-size: 14px; font-weight: 700; line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 5; -webkit-box-orient: vertical; overflow: hidden; overflow-wrap: anywhere; }
.mini .mini-text.is-empty { color: #9C978A; font-weight: 500; }
.mini.is-cover { background: var(--night); border-color: var(--night); color: #fff; }
.mini.is-cover .mini-text.is-empty { color: #8C877B; }
.mini.is-close { background: var(--coral-deco); border-color: var(--coral-deco); color: var(--ink); }
.mini.is-close .mini-text.is-empty { color: #5D2518; }
.mini[aria-current="true"] { outline: 3px solid var(--ink); outline-offset: 3px; }
.mini-rule { width: 22px; height: 4px; background: var(--coral-deco); }

.slides { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); }
.slide { padding: 18px 0 20px 18px; border-bottom: 1px solid var(--line); position: relative; }
.slide[aria-current="true"] { box-shadow: inset 4px 0 var(--coral); background: #FBFAF7; }
.slide-head { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 12px; margin-bottom: 10px; }
.slide-no { font: 700 20px/1 var(--latin); }
.slide-no small { font-size: 14px; color: var(--muted); font-weight: 500; }
.slide-role { font-size: 15px; color: var(--muted); }
.slide-head .text-btn { margin-left: auto; }
.slide-head .text-btn[aria-pressed="true"] { color: var(--coral); text-decoration-color: currentColor; font-weight: 700; }
.slide-text { font-size: 18px; font-weight: 500; min-height: 92px; }
.slide-foot { display: flex; justify-content: flex-end; margin-top: 4px; }
.count { color: var(--muted); font-size: 14px; font-variant-numeric: tabular-nums; }
.quotes { list-style: none; margin: 8px 0 0; padding: 0; display: grid; gap: 8px; }
.quote { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 12px; align-items: start; padding: 10px 12px; background: var(--raised); border: 1px solid var(--line); font-size: 16px; line-height: 1.7; }
.quote-label { display: block; font-size: 14px; color: var(--muted); font-weight: 500; }
.quote-label .time { font-family: var(--latin); font-variant-numeric: tabular-nums; margin-left: 6px; }
.quote .text-btn { font-size: 15px; min-height: 40px; }
.quote.is-missing { border-color: var(--warn-ink); border-style: dashed; }
.checks { list-style: none; margin: 8px 0 0; padding: 0; display: grid; gap: 6px; }
.check { font-size: 16px; line-height: 1.6; padding: 6px 10px; }
.check.is-note { color: var(--muted); padding-left: 0; }
.check.is-warn { color: var(--warn-ink); background: var(--warn-bg); font-weight: 500; }

/* Output */
.output-block { margin-top: 36px; }
.output-modes { display: flex; border: 1px solid var(--ink); width: fit-content; max-width: 100%; margin-bottom: 12px; }
.output-modes button { min-height: 44px; padding: 0 16px; border: 0; background: var(--raised); font-size: 16px; }
.output-modes button + button { border-left: 1px solid var(--ink); }
.output-modes button[aria-pressed="true"] { background: var(--ink); color: #fff; }
#output { min-height: 220px; font-size: 16px; background: #FBFAF7; }
.output-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px; margin-top: 12px; }
.next-step { margin: 18px 0 0; padding: 16px 18px; border: 1px solid var(--line); background: var(--raised); font-size: 16px; line-height: 1.75; }
.next-step p { margin: 0; }
.next-step p + p { margin-top: 8px; color: var(--muted); }
.next-step a { color: var(--coral); text-underline-offset: 4px; }
.reset-row { margin-top: 20px; }

/* Guide below the tool */
.guide { margin-top: 88px; border-top: 1px solid var(--ink); }
.guide-section { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 24px 48px; padding: 40px 0; border-bottom: 1px solid var(--line); }
.guide-section h2 { margin: 0; font-size: 26px; line-height: 1.4; }
.guide-section p { margin: 0 0 12px; }
.steps { list-style: none; margin: 0; padding: 0; counter-reset: step; }
.steps li { counter-increment: step; display: grid; grid-template-columns: 36px minmax(0, 1fr); gap: 4px 12px; padding: 0 0 18px; }
.steps li::before { content: counter(step); font: 700 20px/1.5 var(--latin); color: var(--coral); }
.steps h3 { margin: 0; font-size: 19px; line-height: 1.5; }
.steps p { grid-column: 2; margin: 4px 0 0; font-size: 17px; }
.plain-list { margin: 0; padding-left: 1.2em; }
.plain-list li { margin-bottom: 8px; font-size: 17px; }
.sample-check { display: inline-block; font-size: 16px; padding: 2px 8px; color: var(--warn-ink); background: var(--warn-bg); font-weight: 500; }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-child { border-top: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 16px; padding: 14px 0; font-weight: 700; min-height: 48px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 400 24px/1 var(--latin); color: var(--muted); }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 0 0 16px; font-size: 17px; }
.app-note a { display: inline-flex; align-items: center; min-height: 44px; color: var(--coral); text-underline-offset: 4px; }

.toast { position: fixed; left: 50%; bottom: 20px; z-index: 60; transform: translateX(-50%); max-width: calc(100% - 32px); padding: 12px 18px; background: var(--ink); color: #fff; font-size: 16px; line-height: 1.5; opacity: 0; pointer-events: none; transition: opacity .15s; }
.toast.is-visible { opacity: 1; }
.noscript { margin: 0 0 16px; padding: 12px 14px; border: 1px solid var(--coral); background: var(--coral-tint); font-size: 16px; }

@media (max-width: 1040px) {
  .intro { grid-template-columns: minmax(0, 1fr); align-items: start; }
  .tool { grid-template-columns: minmax(0, 1fr); gap: 44px; }
  .source { position: static; max-height: none; }
  .passages { max-height: 60vh; max-height: 60dvh; }
  .guide-section { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 860px) {
  :root { --gutter: 20px; }
  .site-head .wrap { min-height: 56px; }
  .foot-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 560px) {
  :root { --gutter: 16px; }
  .intro { padding: 32px 0 28px; }
  .intro h1 { font-size: 32px; letter-spacing: -.03em; }
  .lead { margin-top: 16px; }
  .facts div { grid-template-columns: 5.6em minmax(0, 1fr); gap: 8px; padding: 10px 0; }
  .facts dt { font-size: 14px; padding-top: 3px; }
  .facts dd { font-size: 16px; }
  #source { min-height: 200px; }
  .preview { grid-template-columns: repeat(5, minmax(112px, 1fr)); overflow-x: auto; scroll-snap-type: x mandatory; padding: 4px 4px 8px; margin-inline: -4px; }
  .mini { scroll-snap-align: start; }
  .mini .mini-text { -webkit-line-clamp: 4; }
  .slide { padding-left: 14px; }
  .slide-head .text-btn { margin-left: 0; width: 100%; justify-content: flex-start; text-align: left; }
  .slide-switch button { width: 42px; }
  .head-nav .hide-sm { display: none; }
  .output-modes { width: 100%; }
  .output-modes button { flex: 1; padding: 0 8px; }
  .output-actions .btn { width: 100%; }
  .guide { margin-top: 64px; }
  .site-foot { margin-top: 64px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}