/* Yomikit: the Editorial design, shared by every page. The reader adds app.css on top.
   Navy (v6) is the brand; Paper (v7) is the same design in navy ink on paper. One accent each. */

@font-face { font-family: "Geist"; src: url("/fonts/Geist-Variable.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Geist Mono"; src: url("/fonts/GeistMono-Variable.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }

body.yk, body.yk.v6 {
  --bg: #0c1730; --card: #11203f; --pop: #172a4f; --line: #20345a; --line-2: #33486e;
  --text: #f5f1e7; --text-2: #c7cfdb; --muted: #8ea6bf; --accent: #8acbe5; --accent-ink: #0c1730;
  --tint: rgba(138, 203, 229, 0.12); --danger: #f0a09a; --dot: #2b4374;
  color-scheme: dark;
}
body.yk.v7 {
  --bg: #f3efe6; --card: #fffdf8; --pop: #ffffff; --line: #e4ddcf; --line-2: #cfc6b4;
  --text: #182544; --text-2: #3b4a66; --muted: #66768c; --accent: #2a6c95; --accent-ink: #ffffff;
  --tint: rgba(42, 108, 149, 0.1); --danger: #b3412f; --dot: #cfc5b0;
  color-scheme: light;
}
body.yk {
  /* the older rules read these names */
  --field: var(--card); --panel: var(--card); --head: var(--accent); --cool: var(--accent); --hot: var(--accent);
  --glow: transparent; --faint: var(--line-2);
  --ui: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --jp-sans: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Noto Sans JP", Meiryo, sans-serif;
  --serif-jp: "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", serif;
  --r-card: 24px 24px 24px 6px; --r-pop: 18px 18px 18px 6px; --r-small: 16px 16px 16px 4px;
  background: var(--bg); color: var(--text); font: 15px/1.55 var(--ui); -webkit-font-smoothing: antialiased;
}
body.yk:not(.app) { height: auto; min-height: 100vh; overflow-x: hidden; overflow-y: auto; display: block; }
body.yk *, body.yk *::before, body.yk *::after { text-shadow: none !important; }
body.yk [hidden] { display: none !important; }
body.yk :focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
body.yk .eyebrow { font: 500 11px/1 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }

/* pills */
body.yk .pill {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 36px; padding: 0 16px; border-radius: 999px;
  border: 1px solid var(--line-2); background: none; color: var(--text); font: 500 13px var(--ui);
  letter-spacing: 0; text-transform: none; text-decoration: none; white-space: nowrap; cursor: pointer; transition: border-color 0.15s, background 0.15s;
}
body.yk .pill:hover { border-color: var(--text); }
body.yk .pill.solid { background: var(--text); border-color: var(--text); color: var(--bg); font-weight: 600; }
body.yk .pill svg { width: 16px; height: 16px; }

/* segmented switches */
body.yk .seg { display: inline-flex; padding: 3px; border-radius: 999px; background: var(--bg); gap: 0; }
body.yk .seg button {
  height: 30px; width: auto; padding: 0 14px; border: 0; border-radius: 999px; background: none; box-shadow: none; transform: none;
  color: var(--muted); font: 500 12px var(--ui); letter-spacing: 0; text-transform: none; cursor: pointer;
}
body.yk .seg button:hover { color: var(--text); transform: none; }
body.yk .seg button.active { background: var(--accent); color: var(--accent-ink); font-weight: 600; box-shadow: none; }

/* ---- top bar ---- */
.app-top { max-width: 1080px; margin: 0 auto; padding: 0 32px; box-sizing: border-box; }
.app-top .site-nav { display: flex; align-items: center; gap: 28px; padding: 20px 0 24px; flex-wrap: nowrap; font-family: var(--ui); }
.app-top .sn-brand { display: flex; align-items: center; gap: 12px; margin: 0; text-decoration: none; }
.sn-brand-txt { display: grid; line-height: 1.05; }
.app-top .as-lhd-jp { font: 600 20px/1.1 var(--serif-jp); letter-spacing: 0.06em; color: var(--text); }
.app-top .as-lhd-jp rt { font-size: 9px; color: var(--accent); opacity: 1; }
.app-top .lp-brand-en { font: 500 10px var(--mono); letter-spacing: 0.3em; color: var(--muted); margin-top: 3px; }
.app-top .sn-cat:hover, .app-top .sn-brand:hover .sn-cat { box-shadow: none; }
.sn-links { display: flex; align-items: center; gap: 26px; margin-right: auto; margin-left: 8px; }
.app-top .sn-link, .app-top .sn-menu summary {
  position: relative; padding: 6px 0; color: var(--text-2); text-decoration: none; cursor: pointer;
  font: 500 14px var(--ui); letter-spacing: 0; text-transform: none;
}
.app-top .sn-link:hover, .app-top .sn-menu summary:hover, .app-top .sn-menu[open] summary { color: var(--text); }
.app-top .sn-link[aria-current] { color: var(--text); }
.app-top .sn-link[aria-current]::after { content: ""; position: absolute; left: 50%; bottom: -4px; width: 4px; height: 4px; border-radius: 50%; background: var(--accent); transform: translateX(-50%); }
.app-top .sn-menu summary::after { content: " \25BE"; font-size: 10px; color: var(--muted); }
.app-top .sn-drop {
  top: calc(100% + 10px); min-width: 260px; padding: 8px; gap: 2px;
  background: var(--pop); border: 1px solid var(--line); border-radius: var(--r-pop); box-shadow: none;
}
.app-top .sn-drop a { padding: 9px 12px; border-radius: 10px; font: 14px var(--ui); color: var(--text-2); }
.app-top .sn-drop a:hover, .app-top .sn-drop a[aria-current] { background: var(--tint); color: var(--text); }
.sn-actions { display: flex; align-items: center; gap: 10px; }
.app-top .quiz-btn {
  display: inline-flex; align-items: center; height: 36px; padding: 0 16px; border-radius: 999px;
  background: var(--accent); color: var(--accent-ink); font: 600 13px var(--ui); letter-spacing: 0; text-transform: none; text-decoration: none;
}
.app-top .quiz-btn:hover { background: var(--accent); filter: brightness(1.08); }
.app-top #lang-toggle {
  height: 36px; margin: 0; padding: 0 14px; border-radius: 999px; border: 1px solid var(--line-2);
  background: none; color: var(--text); font: 500 13px var(--jp-sans); letter-spacing: 0;
}
.app-top #lang-toggle:hover { border-color: var(--text); background: none; }
.app-top .sn-settings summary { width: 36px; height: 36px; padding: 0; display: grid; place-items: center; border-radius: 50%; border: 1px solid var(--line-2); }
.app-top .sn-settings summary::after { content: none; }
.app-top .sn-settings summary svg { width: 16px; height: 16px; }
.app-top .sn-settings[open] summary, .app-top .sn-settings summary:hover { border-color: var(--text); }
.app-top .sn-set { left: auto; right: 0; width: 280px; padding: 18px; gap: 18px; display: flex; }
.app-top .sn-set-row { display: grid; gap: 10px; }
.sn-set-acct { display: flex; align-items: center; gap: 10px; padding-top: 14px; border-top: 1px solid var(--line); }
.app-top .acct-email { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; font-size: 13px; color: var(--text-2); }
.app-top .sn-set .pill.solid { width: 100%; }
.app-top .theme-picker { margin: 0; width: 100%; }
.app-top .theme-picker button { flex: 1; }

/* ---- footer ---- */
.app-foot {
  display: grid; grid-template-columns: 1fr auto; gap: 24px 40px; align-items: end; box-sizing: border-box;
  max-width: 1080px; margin: 0 auto; padding: 32px 32px 40px; border-top: 1px solid var(--line);
}
.af-books { display: grid; gap: 12px; }
.af-lead { margin: -2px 0 4px; max-width: 60ch; font-size: 14px; color: var(--text-2); }
.af-book-row { display: flex; flex-wrap: wrap; gap: 10px; }
.af-book { display: flex; align-items: center; gap: 12px; max-width: 300px; padding: 8px 16px 8px 8px; border-radius: var(--r-small); background: var(--card); color: var(--text); text-decoration: none; transition: background 0.15s; }
.af-book:hover { background: var(--pop); }
.af-book img { width: 28px; height: 45px; border-radius: 3px; display: block; flex-shrink: 0; }
.af-book b { display: block; font: 500 13px/1.3 var(--ui); }
.af-book small { display: block; margin-top: 2px; font: 12px/1.35 var(--ui); color: var(--muted); }
.af-side { display: grid; gap: 14px; justify-items: end; }
body.yk .footer-sub { display: flex; align-items: center; gap: 0; height: 42px; padding: 4px 4px 4px 18px; box-sizing: border-box; border-radius: 999px; background: var(--card); }
body.yk .footer-sub-input { width: 210px; padding: 0; border: 0; background: none; color: var(--text); font: 13.5px var(--ui); letter-spacing: 0; outline: none; }
body.yk .footer-sub-input::placeholder { color: var(--muted); }
body.yk .footer-sub-btn { height: 34px; padding: 0 16px; border: 0; border-radius: 999px; background: var(--text); color: var(--bg); font: 600 13px var(--ui); letter-spacing: 0; cursor: pointer; }
body.yk .footer-sub-btn:hover { background: var(--text); color: var(--bg); filter: brightness(1.1); }
body.yk .footer-sub-msg { padding: 0 12px; font: 12px var(--ui); color: var(--muted); }
.app-foot .social { display: flex; gap: 8px; margin: 0; }
.app-foot .social a { width: 36px; height: 36px; display: grid; place-items: center; border: 0; border-radius: 50%; background: var(--card); color: var(--text-2); }
.app-foot .social a:hover { color: var(--accent); }
.app-foot .social svg { width: 16px; height: 16px; }
.af-fine { font-size: 12px; color: var(--muted); text-decoration: none; }
.af-fine:hover { color: var(--text); }

/* ---- phones: a floating tab bar instead of the links ---- */
.tabbar { display: none; }
@media (max-width: 800px) {
  .app-top { padding: 0 16px; }
  .app-top .site-nav { gap: 10px; padding: 14px 0 16px; }
  .sn-links, .app-top .lp-brand-en, .app-top .quiz-btn { display: none; }
  .sn-actions { margin-left: auto; }
  .app-foot { grid-template-columns: 1fr; justify-items: start; padding: 28px 16px 110px; }
  .af-side { justify-items: start; }
  body.yk .footer-sub-input { width: 170px; }
  .tabbar {
    position: fixed; left: 12px; right: 12px; bottom: calc(12px + env(safe-area-inset-bottom)); z-index: 70;
    display: flex; justify-content: space-around; padding: 6px; border: 1px solid var(--line); border-radius: 22px; background: var(--pop);
  }
  .tabbar a, .tabbar button {
    display: grid; justify-items: center; gap: 2px; padding: 6px 10px; border: 0; border-radius: 16px; background: none;
    color: var(--muted); font: 500 11px var(--ui); text-decoration: none; cursor: pointer;
  }
  .tabbar .on { background: var(--tint); color: var(--accent); }
  .tabbar svg { width: 22px; height: 22px; }
}

/* ====================================================================================
   Content pages: guides, shows, books, quiz, the reading library, the tool pages
   ==================================================================================== */
body.yk .lp { max-width: 760px; margin: 0 auto; padding: 8px 32px 64px; box-sizing: border-box; }
body.yk .lp.lp-wide { max-width: 920px; }
body.yk .lp h1 { margin: 20px 0 14px; color: var(--text); font: 600 clamp(30px, 4.4vw, 44px)/1.12 var(--ui); letter-spacing: -0.02em; text-transform: none; }
body.yk .lp h1:lang(ja), body.yk .lp h1 [lang="ja"] { letter-spacing: 0; }
body.yk .lp-lead { margin: 0 0 24px; color: var(--text-2); font-size: 18px; line-height: 1.6; }
body.yk .lp h2 { margin: 48px 0 12px; color: var(--text); font: 600 21px/1.3 var(--ui); letter-spacing: -0.01em; text-transform: none; }
body.yk .lp h3 { margin: 32px 0 12px; color: var(--muted); font: 500 11px/1 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; }
body.yk .lp p, body.yk .lp li { color: var(--text-2); font-size: 16px; line-height: 1.7; }
body.yk .lp ul, body.yk .lp ol { padding-left: 22px; }
body.yk .lp strong, body.yk .lp b { color: var(--text); font-weight: 600; }
body.yk .lp em { color: var(--text); }
body.yk .lp p a, body.yk .lp li a, body.yk .lp dd a, body.yk .lp-table a {
  color: var(--accent); text-decoration: underline; text-decoration-color: color-mix(in srgb, var(--accent) 40%, transparent);
  text-underline-offset: 3px; border: 0;
}
body.yk .lp p a:hover, body.yk .lp li a:hover, body.yk .lp dd a:hover { text-decoration-color: var(--accent); }
body.yk .lp-src { margin-top: 6px; color: var(--muted); font-size: 13px; line-height: 1.6; opacity: 1; }
body.yk .lp ruby rt { color: var(--accent); }

/* buttons inside content: the old terminal buttons become pills */
body.yk .lp .termbtn {
  display: inline-flex; align-items: center; justify-content: center; height: 40px; padding: 0 20px; border-radius: 999px;
  border: 1px solid var(--line-2); background: none; box-shadow: none; color: var(--text);
  font: 500 14px var(--ui); letter-spacing: 0; text-transform: none; text-decoration: none; flex: none;
}
body.yk .lp .termbtn:hover { border-color: var(--text); box-shadow: none; }
body.yk .lp .termbtn.active { background: var(--text); border-color: var(--text); color: var(--bg); font-weight: 600; }
body.yk .lp .lp-cta { height: 46px; margin: 10px 0 8px; padding: 0 24px; }

/* tables */
body.yk .lp-table-wrap { margin: 14px 0; padding: 4px 6px; overflow-x: auto; border-radius: var(--r-pop); background: var(--card); }
body.yk .lp-table { width: 100%; border-collapse: collapse; font-size: 14px; }
body.yk .lp-table th { padding: 12px 12px 10px; border-bottom: 1px solid var(--line); color: var(--muted); font: 500 11px var(--mono); letter-spacing: 0.12em; text-transform: uppercase; text-align: left; }
body.yk .lp-table td { padding: 11px 12px; border-bottom: 1px solid var(--line); color: var(--text-2); line-height: 1.5; }
body.yk .lp-table tr:last-child td { border-bottom: 0; }
body.yk .lp-table td:first-child { color: var(--text); }

/* questions */
body.yk .lp-faq dt { margin-top: 24px; color: var(--text); font: 600 16px/1.4 var(--ui); }
body.yk .lp-faq dd { margin: 6px 0 0; color: var(--text-2); font-size: 15px; line-height: 1.7; }

/* related pages */
body.yk .lp-cross { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 56px 0 0; padding-top: 24px; border-top: 1px solid var(--line); font-family: var(--ui); }
body.yk .lp-cross-lbl { margin-right: 6px; color: var(--muted); font: 500 11px var(--mono); letter-spacing: 0.14em; text-transform: uppercase; }
body.yk .lp-cross a { display: inline-flex; align-items: center; height: 34px; padding: 0 14px; border: 1px solid var(--line-2); border-radius: 999px; color: var(--text); font-size: 13px; text-decoration: none; }
body.yk .lp-cross a:hover { border-color: var(--text); color: var(--text); }

/* charts, the word-count ladder, the JLPT bar */
body.yk .lp-chart { margin: 16px 0 8px; padding: 18px 12px 8px; border-radius: var(--r-pop); background: var(--card); }
body.yk .lp-chart-line { stroke: var(--accent); }
body.yk .lp-chart-pts circle { fill: var(--accent); }
body.yk .lp-chart-axis text, body.yk .lp-chart-lbl text { font-family: var(--ui); }
body.yk .lp-ladder li { border-left-color: var(--line-2); }
body.yk .lp-ladder li::before { border-color: var(--accent); background: var(--bg); color: var(--accent); font-family: var(--mono); }
body.yk .lp-step { color: var(--text); font: 600 16px var(--ui); letter-spacing: 0; }
body.yk .lp-bar { height: 40px; border: 0; border-radius: 999px; overflow: hidden; background: var(--card); font-family: var(--ui); font-weight: 600; }
body.yk .lp-bar-n5 { background: var(--accent); }
body.yk .lp-bar-n4 { background: color-mix(in srgb, var(--accent) 62%, var(--card)); }
body.yk .lp-bar-n3 { background: color-mix(in srgb, var(--accent) 36%, var(--card)); }
body.yk .lp-bar-n21 { background: var(--line-2); }
body.yk .lp-bar-seg { color: var(--accent-ink); }
body.yk .lp-bar-rest { color: var(--muted); }

/* show pages: the word cards */
body.yk .fw-grid { gap: 12px; }
body.yk .fw-card { padding: 14px 16px; border: 0; border-radius: var(--r-pop); background: var(--card); }
body.yk .fw-rank { color: var(--muted); font-family: var(--mono); }
body.yk .fw-word { color: var(--text); }
body.yk .fw-word .fm-r { font-family: var(--ui); }
body.yk .lp .fw-mean { color: var(--text); font: 500 15px/1.4 var(--ui); }
body.yk .lp .fw-num, body.yk .lp .fw-meta { font-family: var(--ui); }
body.yk .fw-spark rect { fill: var(--accent); }
body.yk .fw-spark rect.z { fill: var(--line); }

/* book pages */
body.yk .bk-cover { border-radius: 6px; box-shadow: none; border: 1px solid var(--line); }
body.yk .lp .bk-series-lbl { color: var(--muted); font-family: var(--mono); }
body.yk .lp .bk-sub { color: var(--text-2); }
body.yk .lp .bk-buy { height: 44px; padding: 0 24px; font-size: 14px; letter-spacing: 0; }
body.yk .bk-stats { gap: 10px; }
body.yk .bk-stat { border: 0; border-radius: var(--r-pop); background: var(--card); padding: 16px 12px; }
body.yk .bk-stat b { color: var(--accent); font: 600 26px var(--ui); letter-spacing: -0.02em; }
body.yk .bk-stat span { color: var(--muted); font: 13px var(--ui); letter-spacing: 0; }
body.yk .bk-pages img { border-radius: 6px; box-shadow: none; border: 1px solid var(--line); }
body.yk .bk-pages figcaption { color: var(--muted); font: 13px/1.5 var(--ui); }
body.yk .bk-mini { border: 0; border-radius: var(--r-small); background: var(--card); }
body.yk .bk-mini:hover { background: var(--pop); }
body.yk .bk-mini small { font-family: var(--mono); }
body.yk .bk-card { border-top: 1px solid var(--line); }
body.yk .bk-card h2 a { color: var(--text); }
body.yk .lp .bk-card-stats { color: var(--accent); font-family: var(--ui); }
body.yk .lp .bk-look { color: var(--accent); font: 500 14px var(--ui); text-decoration: none; }

/* the quiz */
body.yk .qz-progress { color: var(--muted); font-family: var(--mono); }
body.yk .qz-face { border: 0; border-radius: var(--r-pop); background: var(--card); color: var(--text); }
body.yk .qz-front:hover { background: var(--pop); border: 0; }
body.yk .qz-card.qz-known .qz-back { box-shadow: inset 0 0 0 2px var(--accent); }
body.yk .qz-card.qz-missed-card .qz-back { box-shadow: inset 0 0 0 1.5px var(--line-2); border-style: solid; }
body.yk .qz-n, body.yk .qz-tap { color: var(--muted); font-family: var(--mono); }
body.yk .qz-mean { color: var(--text); font-family: var(--ui); }
body.yk .qz-yn button { height: 30px; padding: 0 12px; border: 1px solid var(--line-2); border-radius: 999px; background: none; color: var(--text); font: 500 12px var(--ui); }
body.yk .qz-yn button.on { border-color: var(--accent); background: var(--accent); color: var(--accent-ink); }
body.yk .lp .qz-big { color: var(--text); font: 600 26px/1.3 var(--ui); letter-spacing: -0.01em; }
body.yk .qz-missed { color: var(--text); }
body.yk .qz-actions .termbtn, body.yk .qz-pdf-form .termbtn { height: 38px; }
body.yk .qz-pdf-form .footer-sub-input { height: 40px; padding: 0 16px; border: 1px solid var(--line-2); border-radius: 999px; }

/* the reading library */
body.yk .read-actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 4px 0 0; }
body.yk .read-body p { color: var(--text); font: 20px/2.25 var(--jp-sans); }
body.yk .read-attr { color: var(--muted); font-size: 14px; }
body.yk .furi-btn { height: 30px; padding: 0 12px; border: 1px solid var(--line-2); border-radius: 999px; background: none; color: var(--text); font: 500 12px var(--jp-sans); cursor: pointer; }

/* privacy and login keep their own layout, in the new colours */
body.yk .window { max-width: 760px; margin: 0 auto; height: auto; overflow: visible; background: transparent; }
body.yk .titlebar { background: none; border-bottom: 1px solid var(--line); }
body.yk .titlebar h1 { color: var(--text); font: 600 28px var(--ui); letter-spacing: -0.01em; }
body.yk .privacy-body h2 { color: var(--text); font: 600 19px var(--ui); letter-spacing: 0; text-transform: none; }
body.yk .privacy-body p, body.yk .privacy-body li { color: var(--text-2); font: 15px/1.7 var(--ui); }

@media (max-width: 800px) {
  body.yk .lp { padding: 4px 16px 32px; }
  body.yk .lp-lead { font-size: 17px; }
}
@media (prefers-reduced-motion: reduce) { .af-book { transition: none; } }

/* ---- popups: the overlay, the sign-in card, the delete confirmation ---- */
body.yk .kb-modal { background: color-mix(in srgb, var(--bg) 72%, transparent); backdrop-filter: none; }
body.yk .auth {
  position: relative; width: min(400px, 100%); padding: 32px 28px 24px; box-sizing: border-box; overflow-y: auto; max-height: 100%;
  display: flex; flex-direction: column; text-align: center;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r-card); box-shadow: none;
}
body.yk .auth-cat { width: 56px; height: 50px; margin: 0 auto 14px; border-radius: 8px; image-rendering: pixelated; }
body.yk .auth-title { margin: 0; color: var(--text); font: 600 22px/1.25 var(--ui); letter-spacing: -0.01em; text-transform: none; }
body.yk .auth-sub { margin: 6px 0 22px; color: var(--text-2); font-size: 14px; line-height: 1.55; }
body.yk .auth-form { display: grid; gap: 12px; text-align: left; }
body.yk .auth-field { display: grid; gap: 6px; }
body.yk .auth-field span { color: var(--muted); font: 500 11px var(--mono); letter-spacing: 0.14em; text-transform: uppercase; }
body.yk .auth-field input {
  width: 100%; height: 44px; padding: 0 14px; box-sizing: border-box; border: 1px solid var(--line-2); border-radius: 12px;
  background: var(--bg); color: var(--text); font: 15px var(--ui); outline: none; box-shadow: none;
}
body.yk .auth-field input:focus { border-color: var(--accent); }
body.yk .auth .auth-btn { width: 100%; height: 44px; font-size: 14px; }
body.yk .auth-form #btn-login { margin-top: 6px; }
body.yk .auth-or { display: flex; align-items: center; gap: 12px; margin: 18px 0; color: var(--muted); font: 12px var(--ui); }
body.yk .auth-or::before, body.yk .auth-or::after { content: ""; flex: 1; height: 1px; background: var(--line); }
body.yk .auth-google svg { width: 18px; height: 18px; }
body.yk .auth-fine { margin: 16px 0 0; color: var(--muted); font-size: 12px; line-height: 1.5; }
body.yk .auth-fine a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: color-mix(in srgb, var(--accent) 40%, transparent); }
body.yk .auth-close {
  position: absolute; top: 14px; right: 14px; width: 32px; height: 32px; padding: 0; display: grid; place-items: center;
  border: 0; border-radius: 50%; background: var(--bg); color: var(--text-2); font-size: 13px; cursor: pointer;
}
body.yk .auth-close:hover { color: var(--text); }
body.yk .login-error { margin: 0; padding: 10px 12px; border: 0; border-radius: 10px; background: color-mix(in srgb, var(--danger) 16%, transparent); color: var(--danger); font: 13px/1.4 var(--ui); letter-spacing: 0; }
body.yk .auth-page { display: flex; justify-content: center; padding: 24px 16px 72px; }

/* ---- the privacy page ---- */
body.yk .lp .pv-updated { margin: -10px 0 0; color: var(--muted); font: 12px var(--mono); letter-spacing: 0.06em; }
body.yk .pv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
body.yk .pv-card { padding: 20px 22px; border-radius: var(--r-pop); background: var(--card); }
body.yk .lp .pv-card h3 { margin: 0 0 12px; }
body.yk .lp .pv-card ul { margin: 0; padding-left: 18px; }
body.yk .lp .pv-card li { margin: 8px 0; font-size: 15px; }
body.yk .lp .pv-never { list-style: none; padding: 0; display: grid; gap: 8px; }
body.yk .lp .pv-never li { display: flex; align-items: center; gap: 12px; margin: 0; }
body.yk .lp .pv-never li::before { content: "✕"; flex-shrink: 0; width: 24px; height: 24px; display: grid; place-items: center; border-radius: 50%; background: var(--card); color: var(--accent); font-size: 11px; }
body.yk .lp .pv-delete p { margin: 0 0 14px; }
body.yk .pill.pv-danger { border-color: color-mix(in srgb, var(--danger) 55%, transparent); color: var(--danger); }
body.yk .pill.pv-danger:hover { border-color: var(--danger); }
body.yk .pill.pv-danger.solid { background: var(--danger); border-color: var(--danger); color: var(--bg); }
body.yk .pv-del-card { text-align: left; }
body.yk .pv-actions { display: flex; justify-content: flex-end; gap: 8px; }
@media (max-width: 640px) { body.yk .pv-grid { grid-template-columns: 1fr; } }
.af-legal { display: inline-flex; align-items: center; gap: 14px; }

/* homepage: books and YouTube first, one job per band */
html:has(.home) { scroll-behavior: smooth; }
.home { max-width: 1080px; margin: 0 auto; padding: 0 32px 24px; box-sizing: border-box; }
.home > section { margin-top: 128px; scroll-margin-top: 48px; }
.home h2 { margin: 0 0 10px; color: var(--text); font: 600 28px/1.2 var(--ui); letter-spacing: -0.02em; }
.sec-lead { margin: 0; max-width: 58ch; color: var(--text-2); font-size: 16px; line-height: 1.65; }
.sec-hd { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 32px; }
.sec-hd a { flex: none; color: var(--accent); font-size: 14px; font-weight: 500; text-decoration: none; }
.sec-hd a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* furoma lines outside the reader */
.fk .fm { margin-right: 0.12em; }
.fk .fm-k { position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%); font-size: min(.5em, calc(var(--fit, .5) * 1em)); color: var(--accent); }
.fk .fm-r { font-family: var(--ui); color: var(--muted); letter-spacing: 0; }
.fk a { color: inherit; text-decoration: none; }

/* hero: the claim on the left, the coverage dither behind and to the right */
.hero { position: relative; display: flex; align-items: center; min-height: 620px; margin-top: 0 !important; padding: 24px 0 72px; box-sizing: border-box; }
.hero-copy { position: relative; z-index: 1; max-width: 548px; }
.tagline { margin: 0 0 18px; font: 500 22px/2.2 var(--jp-sans); letter-spacing: 0.12em; color: var(--text-2); }
.tagline .fm-r { font-size: 10px; }
.hero h1 { margin: 0; color: var(--text); font: 600 clamp(38px, 5.4vw, 60px)/1.04 var(--ui); letter-spacing: -0.032em; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero-lead { margin: 22px 0 30px; max-width: 42ch; color: var(--text-2); font-size: 18px; line-height: 1.6; }
.ways { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.home .pill.big { height: 48px; padding: 0 22px; font-size: 15px; }
.hero .pill svg { margin-right: 2px; }
.cov-wrap { position: absolute; top: 0; bottom: 0; left: 32%; right: calc(50% - 50vw); }
#cov { position: absolute; inset: 0; width: 100%; height: 100%; image-rendering: pixelated;
  -webkit-mask-image: linear-gradient(to right, transparent 10%, #000 54%), linear-gradient(to bottom, transparent 0, #000 18%, #000 68%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-image: linear-gradient(to right, transparent 10%, #000 54%), linear-gradient(to bottom, transparent 0, #000 18%, #000 68%, transparent 100%);
  mask-composite: intersect; }
.cov-key { position: absolute; z-index: 1; right: max(32px, calc((100vw - 1080px) / 2 + 32px)); bottom: 96px; width: 256px; padding: 20px 20px 16px; box-sizing: border-box; border: 1px solid var(--line-2); border-radius: var(--r-small); background: var(--bg); }
.cov-now { margin: 0; }
.cov-now b { display: block; color: var(--accent); font: 600 44px/1 var(--ui); letter-spacing: -0.03em; }
.cov-now span { display: block; margin-top: 8px; color: var(--text-2); font-size: 14px; }
.cov-stops { display: flex; align-items: center; gap: 6px; margin: 16px 0 12px; padding-top: 16px; border-top: 1px solid var(--line); }
.cov-stops button { height: 28px; min-width: 44px; padding: 0 10px; border: 1px solid var(--line-2); border-radius: 999px; background: none; color: var(--muted); font: 600 12px var(--mono); cursor: pointer; transition: color .2s, border-color .2s, background .2s; }
.cov-stops button.on { border-color: var(--accent); background: var(--tint); color: var(--accent); }
.cov-stops span { margin-left: 4px; color: var(--muted); font: 500 11px var(--mono); letter-spacing: .14em; text-transform: uppercase; }
.cov-key small { display: block; color: var(--muted); font-size: 12px; line-height: 1.5; }

/* watch: the first video, and the way to subscribe */
.watch { display: grid; grid-template-columns: 1.35fr 1fr; gap: 56px; align-items: center; }
body.yk .watch .yk-video { margin: 0; }
.poster { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-start; align-items: flex-start; padding: 28px; text-align: left; }
.poster b { color: var(--text); font: 600 clamp(34px, 5.4vw, 60px)/1 var(--ui); letter-spacing: -0.03em; }
.poster span { margin-top: 10px; color: var(--text-2); font: 15px var(--ui); }
.watch h2 { margin-top: 12px; }
.watch .ways { margin-top: 24px; gap: 12px 20px; }

/* the curve: draws itself once, on scroll */
.curve { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 56px; align-items: center; }
.cv-marks { list-style: none; margin: 28px 0 24px; padding: 0; }
.cv-marks li { display: grid; grid-template-columns: 112px 1fr; align-items: baseline; padding: 12px 0; border-top: 1px solid var(--line); color: var(--muted); transition: color .4s; }
.cv-marks li:last-child { border-bottom: 1px solid var(--line); }
.cv-marks b { font: 600 15px var(--mono); }
.cv-marks span { font-size: 15px; }
.cv-marks li.hit { color: var(--text); }
.cv-marks li.hit b { color: var(--accent); }
.cv-link { color: var(--accent); font-size: 14px; font-weight: 500; text-decoration: none; }
.cv-link:hover { text-decoration: underline; text-underline-offset: 3px; }
.cv-fig { margin: 0; }
.cv-fig svg { display: block; width: 100%; height: auto; overflow: visible; }
.cv-grid { stroke: var(--line); stroke-width: 1; }
.cv-axis { fill: var(--muted); font: 11px var(--mono); }
.cv-line { fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.cv-area { fill: var(--tint); }
.cv-head { fill: var(--accent); }
.cv-mark { opacity: 0; transition: opacity .35s; }
.cv-mark.hit { opacity: 1; }
.cv-mark line { stroke: var(--line-2); stroke-dasharray: 3 4; }
.cv-mark circle { fill: var(--bg); stroke: var(--accent); stroke-width: 2; }
.cv-mark .n { fill: var(--text); font: 600 13px var(--mono); }
.cv-mark .p { fill: var(--accent); font: 600 20px var(--ui); letter-spacing: -0.02em; }
.cv-fig figcaption { margin-top: 12px; color: var(--muted); font: 12px var(--mono); letter-spacing: 0.04em; }

/* five books on a shelf; the board sits outside the row so it stays put when the row scrolls on a phone */
.shelf-wrap { position: relative; }
.shelf-wrap::before { content: ""; position: absolute; left: -12px; right: -12px; top: 230px; height: 8px; border-radius: 2px; background: var(--card); border-top: 1px solid var(--line-2); }
.shelf { position: relative; display: grid; grid-template-columns: repeat(5, 1fr) 52px; gap: 0 24px; }
.sb { position: relative; display: flex; flex-direction: column; color: var(--text); text-decoration: none; }
.sb-cover { display: flex; align-items: end; height: 230px; }
.sb-cover img { height: 204px; width: auto; display: block; border-radius: 3px 6px 6px 3px; transition: transform .2s ease; }
.sb:hover .sb-cover img { transform: translateY(-8px); }
.sb small { margin-top: 26px; color: var(--muted); font: 500 11px var(--mono); letter-spacing: .14em; text-transform: uppercase; }
.sb b { margin: 6px 0 4px; font: 600 15px/1.3 var(--ui); }
.sb span { color: var(--text-2); font-size: 14px; line-height: 1.5; }
.sb:hover b { color: var(--accent); }
.shelf-cat { align-self: start; margin-top: 186px; width: 50px; height: auto; }

/* free on Yomikit: the tools and guides in one list */
.free { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 56px; align-items: start; }
.free .sec-lead { margin-bottom: 20px; }
.glist { list-style: none; margin: 0; padding: 0; }
.glist a { display: grid; grid-template-columns: 40px 1fr auto; gap: 16px; align-items: baseline; padding: 16px 8px; border-bottom: 1px solid var(--line); color: var(--text); text-decoration: none; transition: background .15s; }
.glist li:first-child a { border-top: 1px solid var(--line); }
.glist a:hover { background: var(--tint); }
.gl-n { color: var(--muted); font: 12px var(--mono); }
.gl-t b { display: block; font: 600 16px/1.35 var(--ui); }
.gl-a { color: var(--accent); font: 600 15px var(--mono); white-space: nowrap; }

@media (prefers-reduced-motion: reduce) {
  html:has(.home) { scroll-behavior: auto; }
  .sb-cover img, .cv-marks li, .cv-mark, .cov-stops button { transition: none; }
  .sb:hover .sb-cover img { transform: none; }
}
@media (max-width: 860px) {
  .home { padding: 0 16px 24px; }
  .home > section { margin-top: 80px; }
  .hero { display: block; min-height: 0; padding: 16px 0 0; }
  .tagline { font-size: 18px; letter-spacing: .06em; }
  .hero-lead { font-size: 17px; }
  .ways .pill { width: 100%; justify-content: center; box-sizing: border-box; }
  .cov-wrap { position: relative; left: auto; right: auto; height: 320px; margin: 36px -16px 0; }
  #cov { -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 22%, #000 78%, transparent 100%); mask-image: linear-gradient(to bottom, transparent 0, #000 22%, #000 78%, transparent 100%); -webkit-mask-composite: source-over; mask-composite: add; }
  .cov-key { right: auto; left: 16px; bottom: 36px; }
  .watch, .free { grid-template-columns: 1fr; gap: 28px; }
  .watch-copy { order: -1; }
  .poster { padding: 20px; }
  .poster span { display: none; }
  .curve { grid-template-columns: 1fr; gap: 32px; }
  .sec-hd { display: block; }
  .sec-hd a { display: inline-block; margin-top: 12px; }
  .shelf-wrap::before { top: 172px; left: -4px; right: -4px; }
  .shelf { display: flex; gap: 16px; margin: 0 -16px; padding: 0 16px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; }
  .shelf::-webkit-scrollbar { display: none; }
  .sb { flex: 0 0 128px; scroll-snap-align: start; scroll-margin-left: 16px; }
  .sb-cover { height: 172px; }
  .sb-cover img { height: 160px; max-width: 100%; object-fit: cover; }
  .sb small { margin-top: 22px; font-size: 10px; letter-spacing: .1em; }
  .sb span { font-size: 13px; }
  .shelf-cat { display: none; }
  .glist a { grid-template-columns: 28px 1fr; }
  .gl-a { grid-column: 2; }
}

/* free word card */
.offer { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 56px; align-items: start; }
.by { margin: 32px 0 0; padding-top: 24px; border-top: 1px solid var(--line); color: var(--text-2); font-size: 15px; line-height: 1.6; }
.by .sig { display: block; margin-top: 8px; color: var(--muted); font: 12px var(--mono); letter-spacing: .06em; }
.oc-box { padding: 28px; border-radius: var(--r-card); background: var(--card); }
.oc-pick { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.oc-opt { height: 38px; padding: 0 16px; border: 1px solid var(--line-2); border-radius: 999px; background: none; color: var(--text-2); font: 500 14px var(--ui); cursor: pointer; transition: background .15s, color .15s, border-color .15s; }
.oc-opt:hover { border-color: var(--accent); color: var(--text); }
.oc-opt.on { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.oc-tiles { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; }
.oc-tile { padding: 10px 4px 8px; border-radius: var(--r-small); background: var(--bg); text-align: center; }
.oc-w { font: 500 1.3rem/1.5 var(--jp-sans); color: var(--text); display: flex; justify-content: center; align-items: flex-start; }
.oc-w .fm { margin-right: 0; }
.oc-w .fm-k { display: block; min-height: 1.1em; position: static; transform: none; font-size: .42em; color: var(--accent); }
.oc-w .fm-r { min-height: 11px; font: 500 9px var(--ui); color: var(--muted); }
.oc-g { margin-top: 6px; color: var(--text-2); font-size: 12px; line-height: 1.25; }
.oc-more { margin: 12px 0 20px; color: var(--muted); font: 12px var(--mono); letter-spacing: .04em; }
.oc-form { display: flex; align-items: center; gap: 6px; padding: 4px 4px 4px 18px; height: 50px; box-sizing: border-box; border-radius: 999px; background: var(--bg); }
.oc-input { flex: 1; min-width: 0; border: 0; background: none; outline: none; color: var(--text); font: 15px var(--ui); }
.oc-input::placeholder { color: var(--muted); }
.oc-form .pill { height: 42px; white-space: nowrap; }
.oc-fine { margin: 12px 4px 0; color: var(--muted); font-size: 13px; line-height: 1.5; }
.oc-done b { display: block; margin-bottom: 4px; color: var(--text); font: 600 20px var(--ui); }
.oc-done p { margin: 0 0 18px; color: var(--text-2); font-size: 15px; }
@media (max-width: 860px) {
  .offer { grid-template-columns: 1fr; gap: 28px; }
  .oc-box { padding: 20px; }
  .oc-tiles { grid-template-columns: repeat(3, 1fr); }
  .oc-form { height: auto; padding: 10px; flex-direction: column; align-items: stretch; border-radius: var(--r-pop); }
  .oc-input { padding: 6px 8px; }
  .oc-form .pill { width: 100%; }
}

/* the last frame: for looks only */
.fin { position: relative; margin-top: 96px; height: clamp(240px, 27vw, 360px); }
#fin { position: absolute; inset: 0; width: 100%; height: 100%; image-rendering: pixelated; }
.fin-in { position: relative; z-index: 1; max-width: 1080px; height: 100%; margin: 0 auto; padding: 0 32px; box-sizing: border-box; }
.fin-next { position: absolute; left: 32px; top: 8%; display: inline-flex; flex-direction: column; color: var(--text); text-decoration: none; }
.fin-jp { font: 500 26px/2.2 var(--jp-sans); letter-spacing: .22em; }
.fin-jp .fm-r { font-size: 10px; }
.fin-en { color: var(--accent); font-size: 14px; font-weight: 500; }
.fin-next:hover .fin-en { text-decoration: underline; text-underline-offset: 3px; }
.home-foot { display: flex; justify-content: space-between; align-items: center; gap: 16px; max-width: 1080px; margin: 0 auto; padding: 20px 32px 28px; box-sizing: border-box; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.home-foot a { color: var(--muted); text-decoration: none; }
.home-foot a:hover { color: var(--text); }
.home-foot .social { display: inline-flex; gap: 16px; align-items: center; }
.home-foot .legal { display: inline-flex; gap: 20px; }
@media (max-width: 860px) {
  .fin { height: auto; margin-top: 72px; }
  .fin-in { height: auto; padding: 0 16px 8px; }
  .fin-next { position: static; }
  #fin { position: relative; display: block; height: 230px; }
  .home-foot { flex-direction: column; align-items: flex-start; padding: 16px 16px 104px; }
}

body.yk .auth-check { display: flex; align-items: flex-start; gap: 10px; margin: 6px 2px 2px; color: var(--text-2); font-size: 13px; line-height: 1.45; cursor: pointer; }
body.yk .auth-check input { flex: none; width: 18px; height: 18px; margin: 1px 0 0; accent-color: var(--accent); }

/* video: poster first, YouTube only after the click */
body.yk .yk-video { margin: 20px 0 8px; }
body.yk .yk-video-play, body.yk .yk-video-frame { display: block; position: relative; width: 100%; aspect-ratio: 16 / 9; border: 0; padding: 0; border-radius: var(--r-pop); overflow: hidden; background: var(--card); }
body.yk .yk-video-play { cursor: pointer; box-shadow: inset 0 0 0 1px var(--line); }
body.yk .yk-video-play img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
body.yk .yk-video-btn { position: absolute; left: 50%; top: 50%; width: 64px; height: 64px; margin: -32px 0 0 -32px; border-radius: 50%; background: var(--accent); box-shadow: 0 6px 24px rgba(0, 0, 0, 0.28); transition: transform 0.15s; }
body.yk .yk-video-btn::after { content: ""; position: absolute; left: 25px; top: 20px; border: 12px solid transparent; border-left: 18px solid var(--accent-ink); border-right: 0; }
body.yk .yk-video-play:hover .yk-video-btn, body.yk .yk-video-play:focus-visible .yk-video-btn { transform: scale(1.08); }
body.yk .yk-video-play:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
body.yk .yk-video figcaption { margin-top: 8px; font: 13px/1.45 var(--ui); color: var(--muted); }
body.yk .yk-video figcaption a { color: var(--accent); }
@media (prefers-reduced-motion: reduce) { body.yk .yk-video-btn { transition: none; } }