/* source: inline-1 */

:root{
  --ink:#17211f;--muted:#66716d;--faint:#929a97;--line:#e2e7e4;--line-strong:#cdd5d1;
  --accent:#214f77;--accent-soft:#edf4f8;--paper:#fff;
  --sans:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","Noto Sans JP","Hiragino Sans",Arial,sans-serif;
  --serif:"Noto Serif TC","Noto Serif JP","Yu Mincho","Hiragino Mincho ProN",Georgia,serif
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.8;text-rendering:optimizeLegibility}a{color:inherit}button,a{touch-action:manipulation}button{font:inherit}.icon{width:19px;height:19px;display:block}
.site-skip{position:absolute;left:16px;top:-80px;z-index:1000;background:#111;color:#fff;padding:10px 14px;text-decoration:none}.site-skip:focus{top:12px}
.site-nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.site-nav-inner{width:min(1180px,calc(100% - 40px));min-height:72px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px}.site-brand{display:flex;align-items:center;gap:12px;text-decoration:none;min-width:0}.site-mark{width:40px;height:40px;display:grid;place-items:center;background:linear-gradient(145deg,#2f73a8,#245d8c);border:1px solid #174b74;color:#fff;font:700 22px/1 var(--serif);box-shadow:4px 4px 0 #d9e8f3,0 5px 14px rgba(25,74,111,.13);flex:0 0 auto}.site-brand strong{display:block;font:600 17px/1.25 var(--serif)}.site-brand small{display:block;color:var(--faint);font-size:10px;line-height:1.3;margin-top:3px;white-space:nowrap}.site-links{display:flex;align-items:center;gap:20px;font-size:13px;font-weight:600;white-space:nowrap}.site-links a{--nav-color:#555f5c;position:relative;text-decoration:none;color:#555f5c;padding:8px 1px}.site-links a::after{content:"";position:absolute;left:0;right:0;bottom:1px;height:2px;background:var(--nav-color);transform:scaleX(0);transform-origin:left;transition:.2s}.site-links .nav-japanese{--nav-color:#214f77}.site-links .nav-learning{--nav-color:#2f776c}.site-links .nav-travel{--nav-color:#b27b00}.site-links .nav-tools{--nav-color:#343b3a}.site-links a[aria-current="page"]{color:var(--nav-color);font-weight:800}.site-links a[aria-current="page"]::after,.site-links a:hover::after,.site-links a:focus-visible::after{transform:scaleX(1)}.site-links a:hover,.site-links a:focus-visible{color:var(--nav-color)}
.page{width:min(1180px,calc(100% - 40px));margin:auto;padding:54px 0 76px}.article-head{padding-bottom:34px;border-bottom:1px solid var(--line-strong)}.back-link{display:inline-block;margin-bottom:18px;color:#61727a;font-size:12px;font-weight:700;text-decoration:none}.eyebrow{margin:0 0 12px;color:var(--accent);font-size:11px;font-weight:800;letter-spacing:.16em}.article-head h1{margin:0;font:700 clamp(36px,5vw,58px)/1.15 var(--serif);letter-spacing:-.03em}.lead{max-width:780px;margin:16px 0 0;color:#4c5753;font-size:15px;line-height:1.9}.article-tools{margin-top:24px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}.meta{display:flex;gap:8px 18px;flex-wrap:wrap;color:var(--faint);font-size:12px}.tool-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.tool-btn,.text-link{min-height:42px;display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid var(--line-strong);background:#fff;color:#46514d;padding:8px 12px;text-decoration:none;font-size:12.5px;font-weight:700;cursor:pointer}.tool-btn:hover,.tool-btn:focus-visible,.text-link:hover,.text-link:focus-visible{border-color:#97adbc;color:var(--accent);background:#f9fbfc;outline:none}.tool-btn[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:#fff}.tool-btn.playing{background:#15212a;color:#fff;border-color:#15212a}
.legend{display:flex;gap:9px 14px;flex-wrap:wrap;padding:24px 0 2px}.legend-item{display:inline-flex;align-items:center;gap:7px;color:#63706b;font-size:11.5px;font-weight:700}.legend-dot{width:9px;height:9px;border-radius:50%;background:var(--c)}
.words-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:24px}.word-entry{--type:#597461;--type-deep:#405c48;--type-soft:#f2f6f2;--type-soft-2:#f7faf7;position:relative;min-width:0;border:1px solid #dfe5e1;border-top:3px solid var(--type);background:linear-gradient(180deg,var(--type-soft-2) 0, #fff 34%);padding:24px 24px 22px;scroll-margin-top:96px;transition:border-color .18s ease,background-color .18s ease}.word-entry:hover{border-color:color-mix(in srgb,var(--type) 45%,#dfe5e1)}
.type-noun{--type:#617963;--type-deep:#405a46;--type-soft:#eef4ef;--type-soft-2:#f7faf7}.type-verb{--type:#4777a0;--type-deep:#28577e;--type-soft:#edf4f9;--type-soft-2:#f7fafc}.type-adj{--type:#b47731;--type-deep:#87531b;--type-soft:#fbf2e7;--type-soft-2:#fdf9f3}.type-adv{--type:#74639a;--type-deep:#57467d;--type-soft:#f2eff8;--type-soft-2:#faf8fc}.type-onom{--type:#b96357;--type-deep:#88453d;--type-soft:#fbefed;--type-soft-2:#fdf8f7}.type-other{--type:#52727a;--type-deep:#36565e;--type-soft:#edf4f5;--type-soft-2:#f7fafb}
.word-heading{display:grid;grid-template-columns:1fr 42px;gap:12px;align-items:start}.word-index{margin-bottom:8px;color:#9aa39f;font-size:10px;font-weight:800;letter-spacing:.14em}.word-title{margin:0;font:700 31px/1.28 var(--serif);letter-spacing:.02em}.word-title rt{font-family:var(--sans);font-size:.43em;color:#70808a;font-weight:600}.word-meta{margin-top:8px;display:flex;align-items:center;gap:7px;flex-wrap:wrap}.level-tag{display:inline-flex;align-items:center;min-height:24px;padding:2px 7px;background:#fff3cf;color:#8b5a00;font-size:10.5px;font-weight:800}.pos-tag{display:inline-flex;align-items:center;min-height:24px;padding:2px 8px;background:var(--type-soft);color:var(--type-deep);font-size:10.5px;font-weight:800;letter-spacing:.03em}.speak-btn{border:1px solid color-mix(in srgb,var(--type) 25%,#dfe5e1);background:rgba(255,255,255,.92);color:var(--type-deep);width:42px;height:42px;display:grid;place-items:center;cursor:pointer}.speak-btn:hover,.speak-btn:focus-visible{background:var(--type-soft);border-color:var(--type);outline:none}.word-answer{margin-top:20px}.meaning-block{padding:13px 15px;background:var(--type-soft);border-left:3px solid color-mix(in srgb,var(--type) 70%,white)}.meaning-label{display:block;color:var(--type-deep);font-size:9.5px;font-weight:800;letter-spacing:.14em}.word-meaning{margin:2px 0 0;font:700 18px/1.6 var(--serif);color:var(--type-deep)}.word-point{margin:16px 0 0;padding-left:13px;border-left:2px solid color-mix(in srgb,var(--type) 38%,white);color:#4f5a56;font-size:13px;line-height:1.75}.word-point span{display:block;margin-bottom:3px;color:var(--type-deep);font-size:9.5px;font-weight:800;letter-spacing:.14em}.example-block{margin-top:18px;padding:14px 15px 13px;background:color-mix(in srgb,var(--type-soft) 72%,#fff);border-top:1px solid color-mix(in srgb,var(--type) 18%,#e4e8e5)}.example-top{display:flex;align-items:center;justify-content:space-between;gap:10px;color:var(--type-deep);font-size:9.5px;font-weight:800;letter-spacing:.14em}.example-speak{width:34px;height:34px;background:transparent;border-color:transparent}.example-jp{margin:7px 0 0;font-size:16px;line-height:1.95}.example-jp strong{color:var(--type-deep)}.example-zh{margin:4px 0 0;color:#68726e;font-size:12.5px;line-height:1.7}.reveal-btn{display:none;width:100%;margin:18px 0 0;min-height:42px;border:1px solid var(--type);background:#fff;color:var(--type-deep);padding:8px 14px;font-weight:800;font-size:12px;cursor:pointer}
body.furigana-hidden ruby rt{visibility:hidden}body.test-mode .word-entry:not(.revealed) ruby rt{visibility:hidden}body.test-mode .word-entry:not(.revealed) .word-answer{display:none}body.test-mode .reveal-btn{display:block}body.test-mode .word-entry.revealed .reveal-btn{display:none}.word-entry.is-playing{box-shadow:0 0 0 2px color-mix(in srgb,var(--type) 28%,transparent)}
.floating-controls{position:fixed;z-index:70;right:18px;bottom:18px;display:flex;align-items:center;gap:4px;padding:5px;background:rgba(255,255,255,.97);border:1px solid #cfd8d4;box-shadow:0 10px 28px rgba(22,34,31,.14);backdrop-filter:blur(12px);opacity:0;visibility:hidden;transform:translateY(10px);pointer-events:none;transition:.18s}.floating-controls.is-visible{opacity:1;visibility:visible;transform:none;pointer-events:auto}.floating-btn{min-height:40px;border:0;background:transparent;color:#4b5753;padding:7px 10px;font:700 11px/1.2 var(--sans);cursor:pointer;white-space:nowrap}.floating-btn:hover,.floating-btn:focus-visible{background:#f1f5f6;color:var(--accent);outline:none}.floating-btn[aria-pressed="true"]{color:var(--accent);background:#edf4f8}.floating-btn.playing{background:#15212a;color:#fff}.floating-btn.icon-only{width:42px;min-width:42px;padding:7px 0;font-size:17px}.floating-btn+.floating-btn{border-left:1px solid #e1e6e3}
.site-footer{margin-top:6px;background:#121716;color:#d8dedb;border-top:1px solid #0b0e0d}.footer-inner{width:min(1180px,calc(100% - 40px));margin:auto;padding:34px 0 40px}.footer-links{display:flex;gap:10px 22px;flex-wrap:wrap;font-size:12px}.footer-links a{color:#c8cfcc;text-decoration:none}.footer-copy{margin:22px 0 0;color:#7f8985;font-size:11px}
@media(max-width:1099px){.words-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:767px){body{font-size:15px}.site-nav-inner{width:calc(100% - 28px);min-height:64px;gap:12px}.site-mark{width:35px;height:35px;font-size:19px;box-shadow:3px 3px 0 #d9e8f3}.site-brand strong{font-size:14px}.site-brand small{display:none}.site-links{gap:11px;font-size:11px}.page{width:calc(100% - 32px);padding:40px 0 62px}.article-head h1{font-size:38px}.article-tools{align-items:flex-start}.tool-actions{display:grid;grid-template-columns:1fr 1fr;width:100%}.tool-btn,.text-link{width:100%}.legend{padding-top:20px}.words-grid{display:block;margin-top:18px}.word-entry{margin:0;padding:34px 0 39px;border:0;border-top:1px solid #d9dfdc;background:#fff}.word-entry::before{content:"";position:absolute;left:0;top:-1px;width:36px;height:3px;background:var(--type)}.word-entry+.word-entry{margin-top:14px}.word-heading{grid-template-columns:1fr 42px}.word-title{font-size:34px}.meaning-block{margin-top:2px;padding:11px 13px;background:color-mix(in srgb,var(--type-soft) 72%,white)}.word-point{margin-top:14px}.example-block{margin-top:17px;padding:13px 14px}.floating-controls{left:10px;right:10px;bottom:max(10px,env(safe-area-inset-bottom));justify-content:space-between}.floating-btn{flex:1;padding:8px 5px}.floating-btn.icon-only{flex:0 0 44px;width:44px;min-width:44px;padding:8px 0}.floating-btn+.floating-btn{border-left:1px solid #e1e6e3}.footer-inner{width:calc(100% - 32px)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition-duration:.01ms!important}}

/* ===== FINAL REVIEW V5: article-level learning focus + related reading ===== */
.study-focus{margin:48px 0 0;padding:32px 0 4px;border-top:1px solid var(--line-strong)}
.study-focus .focus-eyebrow,.vocab-related .focus-eyebrow{margin:0 0 8px;color:var(--accent);font-size:10px;font-weight:850;letter-spacing:.16em}
.study-focus h2,.vocab-related h2{margin:0;font:700 28px/1.35 var(--serif);letter-spacing:-.02em}
.study-focus-intro{margin:8px 0 22px;color:#68746f;font-size:13px}
.focus-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line)}
.focus-item{padding:20px 24px 21px 0;border-bottom:1px solid var(--line)}
.focus-item+.focus-item{padding-left:24px;border-left:1px solid var(--line)}
.focus-num{display:block;margin-bottom:6px;color:#71847a;font:800 10px/1 var(--sans);letter-spacing:.12em}
.focus-item strong{display:block;margin-bottom:7px;font-size:15px;color:#24312d}
.focus-item p{margin:0;color:#596660;font-size:13px;line-height:1.8}
.focus-highlight{background:linear-gradient(transparent 68%,#fff0a8 68%,#fff0a8 92%,transparent 92%);box-decoration-break:clone;-webkit-box-decoration-break:clone}
.vocab-related{margin:44px 0 0;padding:31px 0 0;border-top:1px solid var(--line-strong)}
.vocab-related ul{list-style:none;margin:20px 0 0;padding:0;border-top:1px solid var(--line)}
.vocab-related li{border-bottom:1px solid var(--line)}
.vocab-related a{display:flex;justify-content:space-between;gap:20px;padding:16px 0;color:#27332f;text-decoration:none}
.vocab-related a:hover .related-name{text-decoration:underline;text-underline-offset:4px}
.vocab-related .related-name{font-weight:700}
.vocab-related .related-kind{color:#8a9490;font-size:11px;white-space:nowrap}
.vocab-backlinks{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-top:18px;font-size:12px;font-weight:750}
.vocab-backlinks a{color:#536d7e;text-decoration:none}
.vocab-backlinks a:hover{text-decoration:underline;text-underline-offset:4px}
@media(max-width:767px){
 .study-focus{margin-top:36px;padding-top:26px}.study-focus h2,.vocab-related h2{font-size:24px}
 .focus-list{display:block}.focus-item,.focus-item+.focus-item{padding:16px 0;border-left:0}.vocab-related{margin-top:35px;padding-top:26px}
 .vocab-related a{padding:14px 0}.vocab-related .related-kind{display:none}
}


.theme-toggle{width:38px;height:38px;flex:0 0 38px;border:1px solid var(--line-strong);background:transparent;color:var(--accent);display:grid;place-items:center;cursor:pointer;padding:0;transition:background-color .18s ease,border-color .18s ease,color .18s ease}
.theme-toggle:hover,.theme-toggle:focus-visible{background:var(--accent-soft);border-color:#91aabd;outline:none}
.theme-icon{grid-area:1/1;font-size:20px;line-height:1}.theme-sun{display:none}html[data-theme="dark"] .theme-moon{display:none}html[data-theme="dark"] .theme-sun{display:block}
html[data-theme="dark"]{color-scheme:dark}
@media(max-width:767px){.theme-toggle{width:34px;height:34px;flex-basis:34px}.theme-icon{font-size:18px}}


/* 解題重點：桌機 2＋1，避免超寬三欄橫掃 */
@media(min-width:768px){
 .study-focus{max-width:1040px;margin-left:auto;margin-right:auto}
 .focus-list{grid-template-columns:repeat(2,minmax(0,1fr))!important}
 .focus-item{padding:20px 24px 21px!important}
 .focus-item:nth-child(1){padding-left:0!important}
 .focus-item:nth-child(2){border-left:1px solid var(--line)!important}
 .focus-item:nth-child(3){grid-column:1/-1;padding-left:0!important;border-left:0!important;border-top:0!important}
}
/* 日夜 */
html[data-theme="dark"]{--ink:#e7eeeb;--muted:#aab6b1;--faint:#83908b;--line:#2b3632;--line-strong:#3b4743;--accent:#7fb0d2;--accent-soft:#1a2b36;--paper:#121817}
html[data-theme="dark"] body{background:#101514;color:var(--ink)}
html[data-theme="dark"] .site-nav{background:rgba(16,21,20,.96);border-bottom-color:#2c3834}
html[data-theme="dark"] .site-brand strong,html[data-theme="dark"] .article-head h1,html[data-theme="dark"] .word-title,html[data-theme="dark"] .study-focus h2,html[data-theme="dark"] .vocab-related h2{color:#edf3f0}
html[data-theme="dark"] .site-brand small,html[data-theme="dark"] .lead,html[data-theme="dark"] .meta,html[data-theme="dark"] .study-focus-intro{color:#9ca8a3}
html[data-theme="dark"] .tool-btn,html[data-theme="dark"] .text-link{background:#151c1a;color:#cbd5d1;border-color:#34413d}
html[data-theme="dark"] .floating-controls{background:rgba(17,23,22,.97);border-color:#34413d;box-shadow:0 10px 28px rgba(0,0,0,.3)}
html[data-theme="dark"] .floating-btn{color:#bdc8c3}html[data-theme="dark"] .floating-btn:hover,html[data-theme="dark"] .floating-btn:focus-visible{background:#1a2b36;color:#9dcced}
html[data-theme="dark"] .floating-btn+.floating-btn{border-left-color:#303b37}
html[data-theme="dark"] .type-noun{--type:#8aa68e;--type-deep:#c7dccb;--type-soft:#1b2920;--type-soft-2:#151f19}
html[data-theme="dark"] .type-verb{--type:#6f9fc7;--type-deep:#c0d8eb;--type-soft:#182735;--type-soft-2:#141e27}
html[data-theme="dark"] .type-adj{--type:#cf9654;--type-deep:#ecd0ac;--type-soft:#2c2218;--type-soft-2:#211b15}
html[data-theme="dark"] .type-adv{--type:#9683bf;--type-deep:#d8ccef;--type-soft:#241f31;--type-soft-2:#1c1926}
html[data-theme="dark"] .type-onom{--type:#cc7c70;--type-deep:#efc5bf;--type-soft:#2d1f1d;--type-soft-2:#221918}
html[data-theme="dark"] .type-other{--type:#7fa1aa;--type-deep:#c6dce1;--type-soft:#19282c;--type-soft-2:#151f22}
html[data-theme="dark"] .word-entry{background:linear-gradient(180deg,var(--type-soft-2) 0,#121817 38%);border-color:#2e3935}
html[data-theme="dark"] .meaning-block,html[data-theme="dark"] .example-block{background:var(--type-soft)}
html[data-theme="dark"] .word-point,html[data-theme="dark"] .example-zh,html[data-theme="dark"] .focus-item p{color:#aeb9b4}
html[data-theme="dark"] .speak-btn,html[data-theme="dark"] .reveal-btn{background:#141b19;color:var(--type-deep)}
html[data-theme="dark"] .level-tag{background:#3a3018;color:#f1cf78}
html[data-theme="dark"] .focus-item strong,html[data-theme="dark"] .vocab-related a{color:#e3ebe7}
html[data-theme="dark"] .focus-highlight{background:linear-gradient(transparent 68%,rgba(215,174,61,.50) 68%,rgba(215,174,61,.50) 91%,transparent 91%)}
html[data-theme="dark"] .site-footer{background:#0d1110;border-top-color:#222b28}



/* source: v7-final-overrides */

@media(min-width:768px){
 .site-nav-inner{width:min(1180px,calc(100% - 64px))!important}
 .site-links{margin-left:auto!important}
 .theme-toggle{margin-left:18px!important}
}
/* 解題重點：桌機 2 + 1，不拉成三欄長線 */
@media(min-width:768px){
 .study-focus{max-width:1040px;margin-left:auto!important;margin-right:auto!important}
 .focus-list{grid-template-columns:repeat(2,minmax(0,1fr))!important}
 .focus-item{padding:20px 24px 21px 0!important}
 .focus-item:nth-child(2){padding-left:24px!important;border-left:1px solid var(--line)!important}
 .focus-item:nth-child(3){grid-column:1/-1;padding:20px 0 22px!important;border-left:0!important}
}
/* Dark-mode header/navigation and learning text */
html[data-theme="dark"] body{background:#101514!important;color:#e7eeeb!important}
html[data-theme="dark"] .site-links a{color:#aebbb6!important}
html[data-theme="dark"] .site-links .nav-japanese[aria-current="page"]{color:#8ec5ec!important}
html[data-theme="dark"] .site-links .nav-learning:hover{color:#83c5b6!important}
html[data-theme="dark"] .site-links .nav-travel:hover{color:#dfbf70!important}
html[data-theme="dark"] .site-links .nav-tools:hover{color:#d2dbd7!important}
html[data-theme="dark"] .theme-toggle{color:#9dcced!important;border-color:#42514c!important;background:#141b19!important}
html[data-theme="dark"] .article-head h1,
html[data-theme="dark"] .word-title,
html[data-theme="dark"] .meaning-main,
html[data-theme="dark"] .example-jp,
html[data-theme="dark"] .study-focus h2,
html[data-theme="dark"] .vocab-related h2{color:#e8efec!important}
html[data-theme="dark"] .lead,
html[data-theme="dark"] .study-focus-intro,
html[data-theme="dark"] .legend-item,
html[data-theme="dark"] .word-point,
html[data-theme="dark"] .example-zh,
html[data-theme="dark"] .focus-item p{color:#afbbb6!important}
html[data-theme="dark"] .tool-btn,
html[data-theme="dark"] .text-link{background:#151c1a!important;color:#dbe4e0!important;border-color:#3d4a46!important}
html[data-theme="dark"] .floating-controls{background:rgba(17,23,22,.98)!important;border-color:#3a4743!important}
html[data-theme="dark"] .floating-btn{color:#b8c7c1!important;background:#111716!important}
html[data-theme="dark"] .floating-btn:hover{background:#1a292f!important;color:#9dcced!important}


/* source: v8-final-fixes */


@media(min-width:768px){
  .site-nav-inner{width:min(1180px,calc(100% - 64px))!important}
  .site-links{margin-left:auto!important}
  .theme-toggle{margin-left:18px!important}
}
html[data-theme="dark"]{
  --paper:#121817!important;
  --ink:#e8efec!important;
  --muted:#b1bdb8!important;
  --faint:#8f9c97!important;
  --line:#303b38!important;
  --line-strong:#43504c!important;
  --accent:#8fc5e8!important;
  --accent-soft:#1b303c!important;
}
html[data-theme="dark"] body{background:#121817!important;color:#e8efec!important}
html[data-theme="dark"] .site-nav{background:rgba(17,23,22,.97)!important;border-bottom-color:#34413d!important}
html[data-theme="dark"] .site-brand strong,
html[data-theme="dark"] .article-head h1,
html[data-theme="dark"] .word-title,
html[data-theme="dark"] .study-focus h2,
html[data-theme="dark"] .vocab-related h2{color:#edf3f0!important}
html[data-theme="dark"] .site-brand small,
html[data-theme="dark"] .lead,
html[data-theme="dark"] .meta,
html[data-theme="dark"] .study-focus-intro{color:#adb9b4!important}
html[data-theme="dark"] .site-links a{color:#b7c2bd!important}
html[data-theme="dark"] .site-links .nav-japanese[aria-current="page"]{color:#9dcced!important}
html[data-theme="dark"] .theme-toggle,
html[data-theme="dark"] .tool-btn,
html[data-theme="dark"] .text-link{background:#171e1c!important;color:#dfe8e4!important;border-color:#46534f!important}
html[data-theme="dark"] .word-entry{background:#171e1c!important;border-color:#35423e!important;color:#e8efec!important;box-shadow:none!important}
html[data-theme="dark"] .word-reading,
html[data-theme="dark"] rt{color:#9ca9a4!important}
html[data-theme="dark"] .meaning-block{background:#1c2522!important;border-color:#36433f!important}
html[data-theme="dark"] .meaning-label,
html[data-theme="dark"] .example-top,
html[data-theme="dark"] .word-point span{color:#9ca9a4!important}
html[data-theme="dark"] .word-meaning,
html[data-theme="dark"] .word-point,
html[data-theme="dark"] .example-jp{color:#e6eeea!important}
html[data-theme="dark"] .example-zh{color:#b4c0bb!important}
html[data-theme="dark"] .example-block{background:#1c211c!important;border-color:#3d4033!important}
html[data-theme="dark"] .reveal-btn,
html[data-theme="dark"] .speak-btn{color:#a9d0e9!important}
html[data-theme="dark"] .study-focus,
html[data-theme="dark"] .vocab-related{background:transparent!important;border-color:#35423e!important}
html[data-theme="dark"] .focus-list{border-color:#35423e!important}
html[data-theme="dark"] .focus-item{border-color:#35423e!important}
html[data-theme="dark"] .focus-num{color:#91a69a!important}
html[data-theme="dark"] .focus-item strong{color:#e5ede9!important}
html[data-theme="dark"] .focus-item p{color:#b9c5c0!important}
html[data-theme="dark"] .focus-highlight{background:linear-gradient(transparent 68%,rgba(232,195,76,.58) 68%,rgba(232,195,76,.58) 92%,transparent 92%)!important}
html[data-theme="dark"] .vocab-related ul{border-color:#35423e!important}
html[data-theme="dark"] .vocab-related li{border-color:#35423e!important}
html[data-theme="dark"] .vocab-related a{color:#e5ede9!important}
html[data-theme="dark"] .vocab-related .related-kind{color:#96a39e!important}
html[data-theme="dark"] .vocab-backlinks a{color:#a8cee5!important}
html[data-theme="dark"] .floating-controls{background:rgba(23,30,28,.985)!important;border-color:#3b4844!important;box-shadow:0 8px 24px rgba(0,0,0,.22)!important}
html[data-theme="dark"] .floating-btn{background:#171e1c!important;color:#b9c7c1!important;border-color:#35423e!important}
html[data-theme="dark"] .floating-btn.playing,
html[data-theme="dark"] .floating-btn[aria-pressed="true"]{background:#1b303c!important;color:#a9d5ef!important}
html[data-theme="dark"] .site-footer{background:#0f1413!important;border-top-color:#2a3431!important}



/* 日／夜切換：預設日間，僅在使用者主動切換後記住選擇 */
.toggle-checkbox{position:absolute!important;width:1px!important;height:1px!important;margin:-1px!important;padding:0!important;opacity:0!important;overflow:hidden!important;clip-path:inset(50%)!important;white-space:nowrap!important}
.toggle-7-label{width:32px;height:32px;flex:0 0 32px;border:1px solid #dbe1de;display:flex;align-items:center;justify-content:center;position:relative;cursor:pointer;transition:border-color .35s ease,background-color .35s ease;color:#17211f;background:transparent}.toggle-7-label::before{content:"";position:absolute;inset:-6px}
.toggle-7-label:hover{background:#f7f9f8;border-color:#c8d1cd}
.toggle-checkbox:focus-visible + .toggle-7-label{outline:3px solid rgba(33,79,119,.24);outline-offset:3px}
.t7-core{width:15px;height:15px;border:1.5px solid currentColor;border-radius:50%;position:relative;transition:all .5s cubic-bezier(.4,0,.2,1);box-shadow:inset 0 0 0 0 currentColor}
.t7-rays{position:absolute;width:100%;height:100%;display:flex;align-items:center;justify-content:center;transition:transform .5s,opacity .5s}
.t7-ray{position:absolute;width:1px;height:6px;background-color:currentColor;transition:all .5s}
.t7-r1{transform:translateY(-10px)}.t7-r2{transform:translateY(10px)}.t7-r3{transform:translateX(-10px)}.t7-r4{transform:translateX(10px)}
#toggle-7:checked + .toggle-7-label .t7-rays,html[data-theme="dark"] .toggle-7-label .t7-rays{opacity:0;transform:rotate(45deg) scale(.5)}
#toggle-7:checked + .toggle-7-label .t7-core,html[data-theme="dark"] .toggle-7-label .t7-core{border-color:transparent;transform:rotate(-25deg);box-shadow:inset 6px -4px 0 0 currentColor}
html[data-theme="dark"] .toggle-7-label{border-color:#3b4844;color:#e8efec;background:#141b19}
html[data-theme="dark"] .toggle-7-label:hover{background:#18211f;border-color:#52615c}
@media(max-width:767px){.toggle-7-label{width:30px;height:30px;flex-basis:30px}.toggle-7-label::before{inset:-7px}.t7-core{width:14px;height:14px}.t7-ray{height:4px}.t7-r1{transform:translateY(-9px)}.t7-r2{transform:translateY(9px)}.t7-r3{transform:translateX(-9px)}.t7-r4{transform:translateX(9px)}}
@media(min-width:768px){.site-links + .toggle-checkbox + .toggle-7-label{margin-left:18px}.site-nav.reading-mode .grammar-header-links + .site-links + .toggle-checkbox + .toggle-7-label{margin-left:16px}}



/* v9：夜間仍保留詞性辨識，但文字使用柔白、避免低對比 */
html[data-theme="dark"] .study-focus,html[data-theme="dark"] .vocab-related{color:#dfe8e4!important}
html[data-theme="dark"] .focus-item p{color:#bdc9c3!important}
html[data-theme="dark"] .focus-highlight{background:linear-gradient(transparent 67%,rgba(215,174,61,.52) 67%,rgba(215,174,61,.52) 91%,transparent 91%)!important}



/* source: vocab-focus-vertical */

.focus-list{display:block!important;border-left:0!important;border-top:1px solid var(--line)!important}
.focus-list .focus-item{display:block!important;border-left:0!important;border-right:0!important;border-bottom:1px solid var(--line)!important;padding:22px 2px!important}


/* source: n2-review-v8-final */

/* =========================================================
   N2 REVIEW v8 — desktop human-reading system
   - Main section titles centered
   - Long content stays left-aligned inside a centered reading axis
   - Short decision modules may center as a whole
   - Related sections stay left-aligned and visually lighter
   ========================================================= */
@media (min-width:901px){
  :root{
    --v7-read:860px;
    --v7-section:940px;
    --v7-hero:1000px;
    --v7-wide:1180px;
  }

  .page{
    width:min(var(--v7-wide),calc(100% - 64px))!important;
    margin-inline:auto!important;
    padding-top:22px!important;
    padding-bottom:44px!important;
  }

  /* ---------- Page hero ---------- */
  .article-head{
    width:min(100%,var(--v7-hero))!important;
    margin-inline:auto!important;
    padding:20px 0 18px!important;
    text-align:center!important;
  }
  .article-head h1{
    margin:6px 0 7px!important;
    font-size:clamp(36px,3vw,48px)!important;
    line-height:1.18!important;
  }
  .article-head .meaning{
    margin:4px auto 7px!important;
    max-width:860px!important;
  }
  .article-head .lead{
    margin:5px auto 8px!important;
    max-width:860px!important;
    line-height:1.62!important;
  }
  .article-head .meta{
    justify-content:center!important;
    margin-top:10px!important;
  }
  .article-head .toolbar,
  .article-head .article-tools{
    justify-content:center!important;
  }
  .quiz-intro{
    max-width:820px!important;
    margin:14px auto 0!important;
    padding:11px 14px!important;
    text-align:left!important;
  }

  /* ---------- Main section title system ---------- */
  .section{
    width:min(100%,var(--v7-section))!important;
    margin-inline:auto!important;
    padding:18px 0 20px!important;
  }
  .section-head{
    display:block!important;
    position:static!important;
    width:100%!important;
    margin:0 auto 10px!important;
    text-align:center!important;
  }
  .section > .section-kicker,
  .section-head .section-kicker{
    position:static!important;
    inset:auto!important;
    display:block!important;
    width:auto!important;
    max-width:none!important;
    margin:0 0 5px!important;
    padding:0!important;
    text-align:center!important;
    line-height:1.4!important;
    font-size:11px!important;
    letter-spacing:.09em!important;
    white-space:normal!important;
  }
  .section > h2,
  .section-head h2{
    display:block!important;
    width:100%!important;
    margin:0 auto 8px!important;
    padding:0!important;
    text-align:center!important;
    font-size:clamp(29px,2.25vw,37px)!important;
    line-height:1.2!important;
  }
  .section-intro{
    max-width:var(--v7-read)!important;
    margin:0 auto 10px!important;
    line-height:1.62!important;
  }

  /* ---------- Content axis ---------- */
  .section-panel,
  .compact-core,
  .form-list,
  .examples,
  .compare-stack,
  .compare-groups,
  .deep-copy,
  .note,
  .same-event,
  .quick-steps{
    width:min(100%,var(--v7-read))!important;
    margin-left:auto!important;
    margin-right:auto!important;
  }

  /* Core should feel like the successful connection rows */
  .section-core .core-lead,
  .section-core .fact-grid{
    width:min(100%,var(--v7-read))!important;
    margin-left:auto!important;
    margin-right:auto!important;
  }
  .section-core .core-lead,
  .compact-core .core-line{
    padding:7px 0 8px!important;
    margin:0 auto 8px!important;
    line-height:1.62!important;
  }
  .fact-grid,
  .compact-facts{
    display:block!important;
    border:0!important;
    background:transparent!important;
  }
  .fact-grid .fact,
  .compact-fact{
    display:grid!important;
    grid-template-columns:150px minmax(0,1fr)!important;
    align-items:center!important;
    gap:24px!important;
    min-height:0!important;
    padding:9px 0 10px!important;
    border:0!important;
    border-bottom:1px solid var(--line)!important;
    background:transparent!important;
  }
  .fact-grid .fact:first-child,
  .compact-fact:first-child{
    border-top:1px solid var(--line)!important;
  }
  .fact-label,
  .compact-fact > span{
    margin:0!important;
    color:var(--faint)!important;
    font-size:11px!important;
    font-weight:800!important;
  }
  .fact-value,
  .compact-fact > strong{
    margin:0!important;
    line-height:1.55!important;
  }

  /* Connection rows are the reference density */
  .form-row{
    min-height:0!important;
    padding:10px 0 11px!important;
    gap:22px!important;
  }
  .form-label{align-self:center!important}
  .form-value{line-height:1.6!important}

  /* ---------- Comparison: no giant cards ---------- */
  #compare .compare-stack,
  #compare .compare-groups{
    width:min(100%,var(--v7-read))!important;
    margin-inline:auto!important;
    padding:0!important;
    background:transparent!important;
    border:0!important;
  }
  #compare .compare-grammar{
    position:relative!important;
    margin:0!important;
    padding:11px 0 12px 14px!important;
    border:0!important;
    border-bottom:1px solid var(--line)!important;
    background:transparent!important;
    box-shadow:none!important;
  }
  #compare .compare-grammar:first-child{border-top:1px solid var(--line)!important}
  #compare .compare-grammar::before{
    content:"";
    position:absolute;
    left:0;
    top:14px;
    bottom:14px;
    width:3px;
    background:#8d9aa0;
  }
  #compare .compare-a::before{background:#b68a58}
  #compare .compare-b::before{background:#5f8fab}
  #compare .compare-c::before{background:#6f927e}
  #compare .compare-grammar h3{
    margin:0 0 5px!important;
    font-size:22px!important;
    line-height:1.35!important;
  }
  #compare .compare-a h3{color:#9a6734!important}
  #compare .compare-b h3{color:#376f8e!important}
  #compare .compare-c h3{color:#587e69!important}
  #compare .compare-detail{
    display:grid!important;
    grid-template-columns:72px minmax(0,1fr)!important;
    column-gap:18px!important;
    align-items:start!important;
    margin:0!important;
    padding:4px 0!important;
    background:transparent!important;
    border:0!important;
  }
  #compare .compare-detail > span{
    grid-column:1!important;
    margin:1px 0 0!important;
    color:var(--faint)!important;
    font-size:11px!important;
    font-weight:850!important;
    line-height:1.45!important;
  }
  #compare .compare-detail > p{
    grid-column:2!important;
    margin:0 0 3px!important;
    line-height:1.58!important;
  }
  #compare .compare-example{
    font-weight:700!important;
  }
  #compare .compare-translation,
  #compare .compare-zh{
    color:var(--muted)!important;
    font-size:14px!important;
  }

  /* ---------- Study / Reading Focus ---------- */
  .study-focus{
    width:min(100%,var(--v7-read))!important;
    margin:20px auto 0!important;
    padding-top:14px!important;
  }
  .study-focus .eyebrow,
  .study-focus > h2{
    text-align:center!important;
  }
  .study-focus > h2{
    margin:4px 0 7px!important;
    font-size:27px!important;
  }
  .focus-grid,.focus-list{
    display:block!important;
    border:0!important;
    background:transparent!important;
  }
  .focus-item{
    padding:9px 0 10px!important;
    border:0!important;
    border-bottom:1px solid var(--line)!important;
    background:transparent!important;
  }

  /* ---------- Keigo short decision module ---------- */
  .keigo-flow{
    width:min(100%,760px)!important;
    margin-inline:auto!important;
  }
  .keigo-step{
    padding:10px 0 11px!important;
    text-align:center!important;
  }
  .keigo-step h3{margin:3px 0 5px!important}
  .keigo-arrow{
    margin:4px 0 7px!important;
    text-align:center!important;
    font-size:25px!important;
    font-weight:800!important;
    color:var(--blue)!important;
  }
  .keigo-step p{margin:3px 0!important}
  .keigo-key{
    margin:8px auto 0!important;
    text-align:center!important;
  }
  /* Long keigo reference rows stay left aligned on centered axis */
  #keigo .form-list{
    width:min(100%,var(--v7-read))!important;
    margin-inline:auto!important;
  }
  #keigo .form-row{
    grid-template-columns:220px minmax(0,1fr)!important;
    gap:28px!important;
  }

  /* ---------- Quiz / practice ---------- */
  .quiz{
    width:100%!important;
  }
  .question{
    width:min(100%,880px)!important;
    margin-inline:auto!important;
    padding:20px 0 25px!important;
    border-bottom:1px solid var(--line)!important;
  }
  .question + .question{padding-top:25px!important}
  .question-top{
    display:grid!important;
    grid-template-columns:46px minmax(0,1fr) 42px!important;
    gap:13px!important;
    align-items:start!important;
    margin:0 0 11px!important;
  }
  .question-top .question-number{
    grid-column:1!important;
    margin:0!important;
    padding-top:6px!important;
    align-self:start!important;
  }
  .question-top .question-text{
    grid-column:2!important;
    margin:0!important;
    max-width:none!important;
    font-size:21px!important;
    line-height:1.85!important;
  }
  .question-top .question-audio,
  .question-top .speak-question,
  .question-top .icon-button{
    grid-column:3!important;
    position:static!important;
    right:auto!important;
    top:auto!important;
    align-self:start!important;
    margin:0!important;
  }
  .options{
    width:min(100%,820px)!important;
    max-width:none!important;
    margin-inline:auto!important;
    gap:7px!important;
  }
  .option,.option-btn,.practice-option{
    min-height:47px!important;
    padding-top:8px!important;
    padding-bottom:8px!important;
  }

  /* Never let an answered question lose its explanation */
  .question .answer[hidden]{display:none!important}
  .question.is-answered .answer,
  .question.answered .answer{
    display:block!important;
    width:min(100%,820px)!important;
    max-width:820px!important;
    margin:11px auto 0!important;
  }
  .question.is-answered{padding-bottom:24px!important}
  .question.answered{padding-bottom:24px!important}
  .question.is-answered .answer-choice-summary,
  .question.answered .answer-summary{
    width:min(100%,820px)!important;
    margin-left:auto!important;
    margin-right:auto!important;
  }
  .question.is-answered .translation,
  .question.is-answered .explain-row,
  .question.is-answered .vocab-line,
  .question.answered .answer-block{
    margin-left:0!important;
    margin-right:0!important;
  }
  .question.is-answered .options.is-collapsed{display:none!important}

  /* ---------- Reading ---------- */
  .reading-paper{
    width:min(100%,880px)!important;
    margin-inline:auto!important;
    padding:16px 19px!important;
  }
  .reading-paper .jp-article{
    font-size:17px!important;
    line-height:1.9!important;
  }

  /* ---------- Related: deliberately smaller and left-aligned ---------- */
  .related,
  .vocab-related{
    width:min(100%,820px)!important;
    margin:18px auto 0!important;
    padding:13px 0 14px!important;
    text-align:left!important;
  }
  .related .eyebrow,
  .vocab-related .eyebrow{
    margin-bottom:4px!important;
    font-size:11px!important;
    text-align:left!important;
  }
  .related h2,
  .vocab-related h2{
    margin:0 0 4px!important;
    font-size:24px!important;
    line-height:1.3!important;
    text-align:left!important;
  }
  .related p,
  .related-intro,
  .vocab-related p{
    margin:0 0 7px!important;
    font-size:13px!important;
    text-align:left!important;
  }
  .related ul,
  .vocab-related ul{
    margin-top:7px!important;
  }
  .related a,
  .vocab-related a{
    min-height:0!important;
    padding:9px 0!important;
    text-align:left!important;
  }
}

/* Mobile keeps comfortable reading; section titles remain stacked and collision-free. */
@media (max-width:900px){
  .section-head{
    display:block!important;
    position:static!important;
    text-align:center!important;
  }
  .section > .section-kicker,
  .section-head .section-kicker{
    position:static!important;
    inset:auto!important;
    width:auto!important;
    margin:0 0 5px!important;
    text-align:center!important;
  }
  .section > h2,
  .section-head h2{
    margin-top:0!important;
    text-align:center!important;
  }
  .question-top{
    display:grid!important;
    grid-template-columns:minmax(0,1fr) 40px!important;
    gap:7px 10px!important;
  }
  .question-top .question-number{grid-column:1!important;grid-row:1!important;margin:0!important}
  .question-top .question-audio,
  .question-top .speak-question,
  .question-top .icon-button{grid-column:2!important;grid-row:1!important;position:static!important}
  .question-top .question-text{grid-column:1 / -1!important;grid-row:2!important;margin:0!important}
  #compare .compare-detail{grid-template-columns:1fr!important;padding:5px 0!important}
  #compare .compare-detail > span,
  #compare .compare-detail > p{grid-column:1!important}
  #compare .compare-detail > span{margin-bottom:2px!important}
}
html[data-theme="dark"] #compare .compare-a h3{color:#d9ad77!important}
html[data-theme="dark"] #compare .compare-b h3{color:#8ec1df!important}
html[data-theme="dark"] #compare .compare-c h3{color:#8fbea2!important}


/* =========================================================
   v8 refinements
   ========================================================= */
@media (min-width:901px){
  :root{
    --v8-read:860px;
    --v8-book:820px;
    --v8-section:940px;
  }

  /* Reading index uses the same outer axis as the section below it. */
  .reading-index{
    width:min(100%,var(--v8-section))!important;
    margin-left:auto!important;
    margin-right:auto!important;
    padding-left:0!important;
    padding-right:0!important;
  }
  .reading-index a:first-child{padding-left:0!important}

  /* Connection boxes: keep compact size but give text breathing room from borders. */
  .section-connection .formula{
    padding-left:18px!important;
    padding-right:18px!important;
  }
  .section-connection .formula-type,
  .section-connection .formula-main,
  .section-connection .formula-examples{
    margin-left:0!important;
    margin-right:0!important;
  }
  .section-connection .note{
    margin-left:18px!important;
    margin-right:18px!important;
  }

  /* Focus + Related become one book-like tail axis. */
  .study-focus,
  .related,
  .vocab-related{
    width:min(100%,var(--v8-book))!important;
    margin-left:auto!important;
    margin-right:auto!important;
  }
  .study-focus{
    padding-top:13px!important;
    padding-bottom:0!important;
  }
  .study-focus .focus-item{
    padding:10px 0 11px!important;
  }
  .study-focus .focus-item h3{
    max-width:720px!important;
    margin-bottom:4px!important;
    font-weight:760!important;
  }
  .study-focus .focus-item p{
    max-width:720px!important;
    line-height:1.62!important;
  }
  .study-focus .focus-item:nth-child(1) h3{color:#426f63!important}
  .study-focus .focus-item:nth-child(2) h3{color:#9a6f32!important}
  .study-focus .focus-item:nth-child(3) h3{color:#4e6f8c!important}

  .related,
  .vocab-related{
    margin-top:14px!important;
    border-top:1px solid var(--line)!important;
    padding-top:12px!important;
  }
  .related h2,
  .vocab-related h2{
    font-size:23px!important;
  }
  .related li,
  .vocab-related li{
    border-bottom:1px solid var(--line)!important;
  }
  .related a,
  .vocab-related a{
    padding:8px 0!important;
  }

  /* Desktop compare = compact table, not oversized panels. */
  .compare-table{
    width:min(100%,var(--v8-read))!important;
    margin:8px auto 0!important;
    border-collapse:collapse!important;
    table-layout:fixed!important;
    background:transparent!important;
    font-size:15px!important;
  }
  .compare-table th,
  .compare-table td{
    padding:10px 12px!important;
    border-bottom:1px solid var(--line)!important;
    vertical-align:top!important;
    text-align:left!important;
    line-height:1.58!important;
  }
  .compare-table thead th{
    border-top:1px solid var(--line)!important;
    font-size:17px!important;
    font-weight:800!important;
  }
  .compare-table-label{
    width:78px!important;
    color:var(--faint)!important;
    font-size:11px!important;
  }
  .compare-table tbody th{
    width:78px!important;
    color:var(--faint)!important;
    font-size:11px!important;
    font-weight:800!important;
  }
  .compare-head-1{
    color:#996431!important;
    background:rgba(182,138,88,.045)!important;
  }
  .compare-head-2{
    color:#376f8e!important;
    background:rgba(95,143,171,.045)!important;
  }
  .compare-table .jp-cell{
    font-weight:700!important;
  }
  .compare-table .zh-cell{
    color:var(--muted)!important;
    font-size:14px!important;
  }
  /* Existing vertical blocks are mobile fallback only when a table exists. */
  .compare-table + .compare-groups,
  .compare-table + .compare-stack{
    display:none!important;
  }

  /* Keep core information at the same comfortable density as FORM rows. */
  .section-core .fact-grid .fact{
    grid-template-columns:150px minmax(0,1fr)!important;
    padding-top:9px!important;
    padding-bottom:9px!important;
  }
}

@media (max-width:900px){
  .compare-table{display:none!important}
  .compare-table + .compare-groups,
  .compare-table + .compare-stack{
    display:block!important;
  }
}

html[data-theme="dark"] .study-focus .focus-item:nth-child(1) h3{color:#82b3a5!important}
html[data-theme="dark"] .study-focus .focus-item:nth-child(2) h3{color:#d5ad6a!important}
html[data-theme="dark"] .study-focus .focus-item:nth-child(3) h3{color:#8db1cf!important}
html[data-theme="dark"] .compare-head-1{color:#d9ad77!important;background:rgba(182,138,88,.06)!important}
html[data-theme="dark"] .compare-head-2{color:#8ec1df!important;background:rgba(95,143,171,.06)!important}


/* source: n2-shared-voice-style-v10 */

.n2-voice-setting{
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
  color:var(--muted,#6f7d79);font-size:12px
}
.n2-voice-setting label{font-weight:750;color:inherit}
.n2-voice-select{
  max-width:210px;min-width:112px;height:28px;
  border:1px solid var(--line,#d9e0de);border-radius:0;
  background:transparent;color:var(--text,#17211f);
  padding:2px 24px 2px 7px;font:inherit;cursor:pointer
}
.n2-voice-select:focus-visible{
  outline:2px solid color-mix(in srgb,var(--blue,#2f6f9f) 35%,transparent);
  outline-offset:2px
}
html[data-theme="dark"] .n2-voice-select,
body.dark-mode .n2-voice-select{
  background:#121817;color:#e8efed;border-color:#38413f
}
@media(max-width:700px){
  .n2-voice-setting{gap:4px}
  .n2-voice-select{max-width:142px;min-width:96px}
}


/* source: study-focus-color-v11 */

/* v11：解題重點只改標題文字色，不上整格底色 */
.study-focus .focus-item:nth-child(1) > strong,
.study-focus .focus-item:nth-child(1) > h3{color:#426f63!important}
.study-focus .focus-item:nth-child(2) > strong,
.study-focus .focus-item:nth-child(2) > h3{color:#9a6f32!important}
.study-focus .focus-item:nth-child(3) > strong,
.study-focus .focus-item:nth-child(3) > h3{color:#4e6f8c!important}
.study-focus .focus-item > strong,
.study-focus .focus-item > h3{font-weight:800!important}
@media (min-width:901px){
  .study-focus,.vocab-related,.related{
    width:min(100%,820px)!important;
    margin-left:auto!important;margin-right:auto!important
  }
  .study-focus .focus-item p{max-width:720px!important}
}
html[data-theme="dark"] .study-focus .focus-item:nth-child(1) > strong,
html[data-theme="dark"] .study-focus .focus-item:nth-child(1) > h3{color:#82b3a5!important}
html[data-theme="dark"] .study-focus .focus-item:nth-child(2) > strong,
html[data-theme="dark"] .study-focus .focus-item:nth-child(2) > h3{color:#d5ad6a!important}
html[data-theme="dark"] .study-focus .focus-item:nth-child(3) > strong,
html[data-theme="dark"] .study-focus .focus-item:nth-child(3) > h3{color:#8db1cf!important}


/* source: n2-book-reading-v12 */

/* =========================================================
   N2 v12 BOOK READING SYSTEM
   全頁書本式閱讀：中央版心、合理行長、穩定段距、同軸分隔
   ========================================================= */
@media (min-width: 901px){
  :root{
    --book-reading: 820px;
    --book-medium: 900px;
    --book-section: 940px;
    --book-wide: 1120px;
  }

  /* Page */
  .page{
    width:min(var(--book-wide),calc(100% - 64px))!important;
    margin-inline:auto!important;
    padding-bottom:48px!important;
  }

  /* Hero / title: visually centered, not oversized */
  .article-head{
    width:min(100%,960px)!important;
    margin-inline:auto!important;
    padding-top:24px!important;
    padding-bottom:18px!important;
  }
  .article-head h1{
    line-height:1.17!important;
    margin-top:6px!important;
    margin-bottom:7px!important;
  }
  .article-head .lead,
  .article-head .meaning{
    max-width:820px!important;
    margin-left:auto!important;
    margin-right:auto!important;
    line-height:1.68!important;
  }

  /* Section shell */
  .section{
    width:min(100%,var(--book-section))!important;
    margin-inline:auto!important;
    padding-top:18px!important;
    padding-bottom:20px!important;
  }
  .section-head{
    width:100%!important;
    margin:0 auto 10px!important;
  }
  .section-intro{
    width:min(100%,var(--book-reading))!important;
    margin-left:auto!important;
    margin-right:auto!important;
    line-height:1.68!important;
  }

  /* Long-form content uses a book reading width */
  .reading-paper,
  .reading-body,
  .article-body,
  .long-copy,
  .deep-copy,
  .section-copy,
  .section-panel,
  .study-focus,
  .related,
  .vocab-related{
    max-width:var(--book-reading)!important;
    margin-left:auto!important;
    margin-right:auto!important;
  }

  /* Natural text measure */
  .reading-paper p,
  .reading-body p,
  .article-body p,
  .long-copy p,
  .section-copy p,
  .section-panel p,
  .focus-item p,
  .related p,
  .vocab-related p{
    line-height:1.82!important;
  }

  /* Book-like paragraph rhythm */
  .reading-paper p + p,
  .reading-body p + p,
  .article-body p + p,
  .long-copy p + p{
    margin-top:15px!important;
  }

  /* Ruby: close to base text, prevent awkward character spreading */
  ruby{
    ruby-position:over;
  }
  rt{
    font-size:.52em!important;
    line-height:1!important;
    color:var(--faint,#82908c)!important;
    letter-spacing:.02em!important;
  }
  ruby, ruby *{
    word-break:keep-all!important;
  }

  /* Inline words / grammar must not break in the middle */
  .grammar-name,
  .grammar-pattern,
  .word,
  .jp-term,
  .compare-column-title,
  [data-grammar]{
    word-break:keep-all!important;
    overflow-wrap:normal!important;
  }

  /* Short information rows: same density as FORM */
  .fact-grid .fact,
  .compact-fact,
  .form-row,
  .focus-item{
    min-height:0!important;
  }
  .fact-grid .fact,
  .compact-fact{
    padding-top:9px!important;
    padding-bottom:9px!important;
  }
  .form-row{
    padding-top:10px!important;
    padding-bottom:10px!important;
  }

  /* All left accent-line content keeps safe distance */
  .core-line,
  .quote,
  .note-line,
  .translation,
  .keigo-summary-line{
    padding-left:24px!important;
    box-sizing:border-box!important;
  }

  /* Tables */
  table{
    line-height:1.58!important;
  }
  .compare-table,
  .keigo-compare-table{
    max-width:860px!important;
    margin-left:auto!important;
    margin-right:auto!important;
  }

  /* Study Focus + Related = one book tail */
  .study-focus,
  .related,
  .vocab-related{
    width:min(100%,var(--book-reading))!important;
  }
  .study-focus{
    padding-top:13px!important;
  }
  .study-focus .focus-item{
    padding:10px 0 11px!important;
  }
  .study-focus .focus-item h3,
  .study-focus .focus-item > strong{
    max-width:700px!important;
    margin-bottom:4px!important;
  }
  .study-focus .focus-item p{
    max-width:700px!important;
  }
  .related,
  .vocab-related{
    margin-top:14px!important;
    padding-top:12px!important;
    border-top:1px solid var(--line)!important;
  }
  .related h2,
  .vocab-related h2{
    font-size:23px!important;
    margin-bottom:4px!important;
  }
  .related a,
  .vocab-related a{
    padding-top:8px!important;
    padding-bottom:8px!important;
  }

  /* Reading article */
  .reading-paper{
    width:min(100%,860px)!important;
    padding:16px 20px!important;
  }
  .reading-paper .jp-article,
  .reading-paper .reading-text,
  .reading-paper p{
    font-size:19px!important;
    line-height:1.95!important;
    font-weight:430!important;
  }

  /* Keep semantic groups together */
  .reading-unit,
  .sentence-unit{
    break-inside:avoid;
  }
}

/* Mobile: keep comfortable but not huge */
@media (max-width:900px){
  .core-line,
  .quote,
  .note-line,
  .translation,
  .keigo-summary-line{
    padding-left:16px!important;
  }
  .reading-paper .jp-article,
  .reading-paper .reading-text,
  .reading-paper p{
    line-height:1.9!important;
  }
  rt{font-size:.5em!important}
}


/* source: context-aware-tools-v15 */

/* =========================================================
   v15 CONTEXT-AWARE TOOL ROW
   - info only -> centered compact row
   - info + actions -> left info / right actions
   - long content -> auto gap reduction / wrap
   ========================================================= */
.context-row{
  width:min(100%,1120px);
  margin:14px auto 0;
  box-sizing:border-box;
}
.context-row.context-info-only{
  display:flex;
  justify-content:center;
  align-items:center;
}
.context-row.context-split{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  align-items:center;
  column-gap:clamp(18px,3vw,42px);
}
.context-row .context-info{
  display:flex;
  align-items:center;
  gap:clamp(10px,1.4vw,18px);
  flex-wrap:wrap;
  min-width:0;
}
.context-row.context-info-only .context-info{
  justify-content:center;
}
.context-row.context-split .context-info{
  justify-content:flex-start;
}
.context-row .context-actions{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:10px;
  flex-wrap:nowrap;
  white-space:nowrap;
}
.context-row .n2-voice-setting{
  flex:0 0 auto;
}
.context-row .context-info > *{
  flex:0 0 auto;
}
.context-row .context-info .meta-item,
.context-row .context-info > span:not(.n2-voice-setting){
  white-space:nowrap;
}

/* If the row gets crowded, do not force a bad layout */
@media (max-width:1180px) and (min-width:901px){
  .context-row.context-split{
    column-gap:18px;
  }
  .context-row .context-info{
    gap:10px 12px;
  }
}
@media (max-width:980px) and (min-width:901px){
  .context-row.context-split{
    grid-template-columns:1fr;
    row-gap:10px;
  }
  .context-row.context-split .context-info{
    justify-content:center;
  }
  .context-row.context-split .context-actions{
    justify-content:center;
  }
}

@media(max-width:900px){
  .context-row,
  .context-row.context-info-only,
  .context-row.context-split{
    display:block;
    width:100%;
  }
  .context-row .context-info{
    justify-content:flex-start!important;
    gap:8px 12px;
  }
  .context-row .context-actions{
    justify-content:flex-start;
    flex-wrap:wrap;
    margin-top:10px;
    gap:8px;
  }
}


/* source: vocab-context-v15 */

@media(min-width:901px){
  .article-head .vocab-context-row{
    width:min(100%,1120px);
  }
  .article-head .vocab-context-row .context-info{
    gap:10px 18px;
  }
  /* Move training/date/count group a bit away from voice selector naturally */
  .article-head .vocab-context-row .n2-voice-setting{
    margin-right:clamp(6px,1.2vw,18px);
  }
}


/* source: hero-prose-wrap-v15 */

@media(min-width:901px){
  .article-head .lead,
  .article-head .meaning,
  .article-head .sublead{
    max-width:900px!important;
    text-wrap:pretty!important;
    line-height:1.68!important;
  }
}


/* source: information-hierarchy-v17 */

/* =========================================================
   v17 N2 INFORMATION / ACTION SYSTEM
   Rule update:
   - Voice / meta / actions must stay on the SAME LINE on desktop when possible.
   - If left/right areas take more width, low-contrast meta text gets SMALLER first.
   - Only collapse to multi-line on genuinely narrow screens.
   ========================================================= */

.context-row{ container-type:inline-size; }

/* muted informational text */
.context-meta-group{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex-wrap:nowrap;
  gap:clamp(8px,1.1vw,16px);
  min-width:0;
  white-space:nowrap;
  font-size:clamp(.86rem,.76rem + .22vw,.98rem);
  line-height:1.35;
}
.context-meta-item{
  color:#8a9692!important;
  font-weight:450!important;
  white-space:nowrap;
  font-size:inherit!important;
}

/* keep voice control readable */
.context-row .n2-voice-setting{
  color:#53615d!important;
  font-weight:650!important;
  white-space:nowrap!important;
}
.context-row .n2-voice-select{
  color:var(--text,#17211f)!important;
  height:40px!important;
}

/* split rows: left voice + center muted info + right actions */
.context-row.context-split{
  display:grid!important;
  grid-template-columns:minmax(max-content,auto) minmax(0,1fr) auto!important;
  align-items:center!important;
  column-gap:clamp(14px,2.1vw,30px)!important;
}
.context-row.context-split .context-info{
  display:contents!important;
}
.context-row.context-split .n2-voice-setting{
  justify-self:start!important;
  min-width:max-content;
}
.context-row.context-split .context-meta-group{
  justify-self:center!important;
  max-width:100%;
}
.context-row.context-split .context-actions{
  justify-self:end!important;
  display:inline-flex!important;
  align-items:center!important;
  flex-wrap:nowrap!important;
  gap:clamp(10px,1vw,14px)!important;
}

/* info-only rows remain compact and centered */
.context-row.context-info-only .context-info{
  display:flex!important;
  justify-content:center!important;
  align-items:center!important;
  flex-wrap:nowrap!important;
  gap:clamp(10px,1.2vw,18px)!important;
}
.context-row.context-info-only .context-meta-group{
  justify-content:center!important;
}

.context-row .context-actions button,
.context-row .context-actions a{
  min-height:40px!important;
  display:inline-flex!important;
  align-items:center!important;
  justify-content:center!important;
  box-sizing:border-box!important;
  white-space:nowrap!important;
}

/* Step down metadata first before breaking the row */
@container (max-width: 1180px){
  .context-row.context-split .context-meta-group{
    font-size:.92rem!important;
    gap:12px!important;
  }
}
@container (max-width: 1100px){
  .context-row.context-split .context-meta-group{
    font-size:.88rem!important;
    gap:10px!important;
  }
}
@container (max-width: 1000px){
  .context-row.context-split .context-meta-group{
    font-size:.84rem!important;
    gap:8px!important;
  }
}
@container (max-width: 940px){
  .context-row.context-split{
    grid-template-columns:minmax(max-content,auto) minmax(0,1fr)!important;
    row-gap:10px!important;
  }
  .context-row.context-split .context-actions{
    grid-column:1 / -1!important;
    justify-self:end!important;
  }
}

/* only on narrow devices allow natural stacking */
@media(max-width:900px){
  .context-row.context-split{
    grid-template-columns:1fr!important;
    row-gap:10px!important;
  }
  .context-row.context-split .context-info,
  .context-row.context-split .context-actions{
    display:block!important;
  }
  .context-row.context-split .context-actions{
    justify-self:stretch!important;
  }
  .context-row .n2-voice-setting{ display:block!important; }
  .context-row .context-meta-group{
    display:flex!important;
    flex-wrap:wrap!important;
    justify-content:flex-start!important;
    margin-top:8px!important;
    font-size:.92rem!important;
    gap:8px 12px!important;
    white-space:normal;
  }
  .context-row .context-actions{
    margin-top:10px!important;
    justify-content:flex-start!important;
    flex-wrap:wrap!important;
  }
}

html[data-theme="dark"] .context-meta-item,
body.dark-mode .context-meta-item{
  color:#98a4a0!important;
}


/* source: vocab-context-v16 */

@media(min-width:1041px){
  .article-head .vocab-context-row{
    width:min(100%,1120px)!important;
  }
}


/* source: hero-prose-v16 */

@media(min-width:901px){
  .article-head .lead,
  .article-head .meaning,
  .article-head .sublead{
    max-width:920px!important;
    text-wrap:pretty!important;
    line-height:1.68!important;
  }
}


/* source: safe-tool-row-v18 */

/* =========================================================
   v18 SAFE TOOL ROW
   confirmed rule:
   - desktop keeps one row when possible
   - left/right controls never touch the page frame
   - center muted metadata shrinks first
   ========================================================= */

@media(min-width:901px){
  .context-row{
    box-sizing:border-box!important;
    padding-left:30px!important;
    padding-right:30px!important;
    padding-top:13px!important;
    padding-bottom:13px!important;
  }

  .context-row.context-split{
    width:min(100%,1120px)!important;
    margin-left:auto!important;
    margin-right:auto!important;
  }

  .context-row.context-info-only{
    width:min(100%,980px)!important;
    margin-left:auto!important;
    margin-right:auto!important;
  }

  /* left functional group */
  .context-row.context-split .n2-voice-setting{
    margin-left:0!important;
    padding-left:0!important;
  }

  /* right action group */
  .context-row.context-split .context-actions{
    margin-right:0!important;
    padding-right:0!important;
  }

  /* muted center info yields space first */
  .context-row.context-split .context-meta-group{
    min-width:0!important;
    max-width:100%!important;
    overflow:hidden!important;
    text-overflow:clip!important;
  }

  .context-row.context-split .context-meta-item{
    font-size:clamp(.80rem,.72rem + .18vw,.92rem)!important;
  }
}

/* Medium desktop: keep the row, compress metadata before wrapping */
@media(min-width:901px) and (max-width:1120px){
  .context-row{
    padding-left:24px!important;
    padding-right:24px!important;
  }
  .context-row.context-split{
    column-gap:16px!important;
  }
  .context-row.context-split .context-meta-group{
    gap:8px!important;
    font-size:.82rem!important;
  }
}

/* Mobile/tablet: smaller safe edge, natural wrapping remains allowed */
@media(max-width:900px){
  .context-row{
    box-sizing:border-box!important;
    padding-left:16px!important;
    padding-right:16px!important;
    padding-top:10px!important;
    padding-bottom:10px!important;
  }
}


/* source: page-context-classification-v19 */

/* =========================================================
   v19 PAGE-CONTEXT CLASSIFICATION
   A. content-context-row:
      grammar / reading / compare / light practice info
      -> compact centered single line
   B. operation-context-row:
      vocabulary / heavy quiz controls
      -> left info + center muted metadata + right actions
   ========================================================= */

/* A — content pages: compact, centered, never spread to page edges */
@media(min-width:901px){
  .article-head .content-context-row{
    width:min(100%,900px)!important;
    margin:14px auto 0!important;
    padding:11px 20px!important;
    display:flex!important;
    justify-content:center!important;
    align-items:center!important;
    box-sizing:border-box!important;
  }
  .article-head .content-context-row > .context-info{
    display:flex!important;
    justify-content:center!important;
    align-items:center!important;
    flex-wrap:nowrap!important;
    gap:clamp(10px,1.4vw,18px)!important;
    min-width:0!important;
  }
  .article-head .content-context-row .n2-voice-setting{
    flex:0 0 auto!important;
  }
  .article-head .content-context-row .context-meta-group{
    display:inline-flex!important;
    justify-content:center!important;
    align-items:center!important;
    flex-wrap:nowrap!important;
    gap:clamp(9px,1.15vw,15px)!important;
    font-size:clamp(.84rem,.78rem + .15vw,.94rem)!important;
    white-space:nowrap!important;
  }
  .article-head .content-context-row .content-inline-action{
    flex:0 0 auto!important;
    min-height:36px!important;
    padding:6px 11px!important;
    display:inline-flex!important;
    align-items:center!important;
    justify-content:center!important;
    white-space:nowrap!important;
  }
}

/* Narrow desktop: shrink muted information first, but stay centered */
@media(min-width:901px) and (max-width:1040px){
  .article-head .content-context-row{
    width:min(100%,860px)!important;
    padding-left:16px!important;
    padding-right:16px!important;
  }
  .article-head .content-context-row > .context-info{
    gap:9px!important;
  }
  .article-head .content-context-row .context-meta-group{
    font-size:.82rem!important;
    gap:8px!important;
  }
}

/* B — heavy operation pages keep v18 safety edges */
@media(min-width:901px){
  .article-head .operation-context-row{
    width:min(100%,1120px)!important;
    padding-left:30px!important;
    padding-right:30px!important;
    padding-top:13px!important;
    padding-bottom:13px!important;
    box-sizing:border-box!important;
  }
}

/* Mobile: both categories can wrap naturally */
@media(max-width:900px){
  .article-head .content-context-row,
  .article-head .operation-context-row{
    width:100%!important;
    padding:10px 16px!important;
    box-sizing:border-box!important;
  }
  .article-head .content-context-row > .context-info{
    display:flex!important;
    justify-content:flex-start!important;
    flex-wrap:wrap!important;
    gap:8px 12px!important;
  }
}


/* source: all-center-compact-v20 */

/* =========================================================
   v20 ALL PAGES = CENTER COMPACT
   - no left/right split
   - voice + muted info + actions live in one centered cluster
   - desktop prefers one line
   - if content is too long, shrink muted info / spacing first
   - only then allow a centered wrap
   ========================================================= */

@media(min-width:901px){
  .article-head .center-compact-row{
    width:min(100%,1180px)!important;
    margin:14px auto 0!important;
    padding:11px 24px!important;
    box-sizing:border-box!important;
    display:flex!important;
    justify-content:center!important;
    align-items:center!important;
  }

  .article-head .center-compact-row > .context-info{
    display:flex!important;
    justify-content:center!important;
    align-items:center!important;
    flex-wrap:wrap!important;
    gap:10px 14px!important;
    width:auto!important;
    max-width:100%!important;
    min-width:0!important;
    margin:0 auto!important;
  }

  .article-head .center-compact-row .n2-voice-setting{
    flex:0 0 auto!important;
    margin:0 4px 0 0!important;
    color:#53615d!important;
    font-weight:650!important;
    white-space:nowrap!important;
  }

  .article-head .center-compact-row .n2-voice-select{
    height:38px!important;
    max-width:260px!important;
  }

  .article-head .center-compact-row .context-meta-group{
    display:inline-flex!important;
    justify-content:center!important;
    align-items:center!important;
    flex-wrap:nowrap!important;
    gap:10px 14px!important;
    margin:0!important;
    color:#8a9692!important;
    font-size:clamp(.82rem,.76rem + .16vw,.92rem)!important;
    line-height:1.35!important;
    white-space:nowrap!important;
  }

  .article-head .center-compact-row .context-meta-item{
    color:#8a9692!important;
    font-weight:450!important;
    font-size:inherit!important;
    white-space:nowrap!important;
  }

  .article-head .center-compact-row .center-compact-action,
  .article-head .center-compact-row .content-inline-action{
    flex:0 0 auto!important;
    min-height:38px!important;
    padding:6px 11px!important;
    margin:0!important;
    box-sizing:border-box!important;
    display:inline-flex!important;
    align-items:center!important;
    justify-content:center!important;
    white-space:nowrap!important;
  }
}

/* Medium desktop: compress metadata before wrapping */
@media(min-width:901px) and (max-width:1180px){
  .article-head .center-compact-row{
    width:min(100%,1080px)!important;
    padding-left:18px!important;
    padding-right:18px!important;
  }
  .article-head .center-compact-row > .context-info{
    gap:8px 10px!important;
  }
  .article-head .center-compact-row .context-meta-group{
    gap:8px 10px!important;
    font-size:.80rem!important;
  }
  .article-head .center-compact-row .center-compact-action,
  .article-head .center-compact-row .content-inline-action{
    padding-left:9px!important;
    padding-right:9px!important;
  }
}

/* Smaller desktop / large tablet: still centered compact, wrapping is centered */
@media(min-width:901px) and (max-width:1020px){
  .article-head .center-compact-row > .context-info{
    max-width:920px!important;
  }
  .article-head .center-compact-row .context-meta-group{
    font-size:.78rem!important;
  }
}

/* Mobile */
@media(max-width:900px){
  .article-head .center-compact-row{
    width:100%!important;
    margin:12px auto 0!important;
    padding:10px 16px!important;
    box-sizing:border-box!important;
  }
  .article-head .center-compact-row > .context-info{
    display:flex!important;
    justify-content:center!important;
    align-items:center!important;
    flex-wrap:wrap!important;
    gap:8px!important;
  }
  .article-head .center-compact-row .context-meta-group{
    display:flex!important;
    justify-content:center!important;
    align-items:center!important;
    flex-wrap:wrap!important;
    gap:7px 10px!important;
    font-size:.86rem!important;
    margin:0!important;
  }
  .article-head .center-compact-row .n2-voice-setting{
    display:inline-flex!important;
    justify-content:center!important;
  }
}

/* dark mode muted information */
html[data-theme="dark"] .center-compact-row .context-meta-item,
body.dark-mode .center-compact-row .context-meta-item{
  color:#98a4a0!important;
}


/* source: desktop-single-line-v21 */

/* =========================================================
   v21 DESKTOP SINGLE-LINE COMPACT ROW
   Confirmed:
   - desktop: NEVER wrap
   - long content shrinks in this order:
     muted metadata -> gaps -> voice select width -> button padding/font
   - tablet/mobile may wrap naturally
   ========================================================= */

@media(min-width:1024px){
  .article-head .center-compact-row{
    width:min(100%,1220px)!important;
    margin:14px auto 0!important;
    padding:10px 18px!important;
    box-sizing:border-box!important;
    display:flex!important;
    justify-content:center!important;
    align-items:center!important;
    overflow:visible!important;
  }

  .article-head .center-compact-row > .context-info{
    display:flex!important;
    justify-content:center!important;
    align-items:center!important;
    flex-wrap:nowrap!important;
    white-space:nowrap!important;
    gap:8px 11px!important;
    width:max-content!important;
    max-width:100%!important;
    min-width:0!important;
    margin:0 auto!important;
  }

  /* Voice group stays readable but can become narrower. */
  .article-head .center-compact-row .n2-voice-setting{
    display:inline-flex!important;
    align-items:center!important;
    flex:0 1 auto!important;
    min-width:0!important;
    margin:0 2px 0 0!important;
    font-size:13px!important;
    white-space:nowrap!important;
  }
  .article-head .center-compact-row .n2-voice-select{
    width:clamp(180px,19vw,250px)!important;
    max-width:250px!important;
    min-width:170px!important;
    height:38px!important;
    font-size:13px!important;
    padding-left:8px!important;
    padding-right:24px!important;
  }

  /* Muted metadata gives up space first. */
  .article-head .center-compact-row .context-meta-group{
    display:inline-flex!important;
    align-items:center!important;
    justify-content:center!important;
    flex-wrap:nowrap!important;
    white-space:nowrap!important;
    gap:8px 11px!important;
    margin:0!important;
    min-width:0!important;
    font-size:12.5px!important;
    line-height:1.2!important;
  }
  .article-head .center-compact-row .context-meta-item{
    font-size:inherit!important;
    white-space:nowrap!important;
  }

  /* Actions stay on the same line. */
  .article-head .center-compact-row .center-compact-action,
  .article-head .center-compact-row .content-inline-action{
    flex:0 0 auto!important;
    white-space:nowrap!important;
    min-height:38px!important;
    height:38px!important;
    padding:5px 9px!important;
    font-size:13px!important;
    line-height:1!important;
    margin:0!important;
  }
}

/* Normal desktop */
@media(min-width:1180px){
  .article-head .center-compact-row > .context-info{
    gap:9px 13px!important;
  }
  .article-head .center-compact-row .context-meta-group{
    font-size:13px!important;
    gap:9px 13px!important;
  }
  .article-head .center-compact-row .center-compact-action,
  .article-head .center-compact-row .content-inline-action{
    padding-left:10px!important;
    padding-right:10px!important;
    font-size:13.5px!important;
  }
}

/* Crowded desktop: shrink, still NEVER wrap */
@media(min-width:1024px) and (max-width:1179px){
  .article-head .center-compact-row{
    padding-left:12px!important;
    padding-right:12px!important;
  }
  .article-head .center-compact-row > .context-info{
    gap:6px 8px!important;
  }
  .article-head .center-compact-row .n2-voice-setting{
    font-size:12.5px!important;
  }
  .article-head .center-compact-row .n2-voice-select{
    width:clamp(165px,18vw,205px)!important;
    min-width:160px!important;
    font-size:12.5px!important;
  }
  .article-head .center-compact-row .context-meta-group{
    font-size:11.5px!important;
    gap:6px 8px!important;
  }
  .article-head .center-compact-row .center-compact-action,
  .article-head .center-compact-row .content-inline-action{
    padding-left:7px!important;
    padding-right:7px!important;
    font-size:12px!important;
  }
}

/* Very narrow desktop: last compression step; still one line */
@media(min-width:1024px) and (max-width:1080px){
  .article-head .center-compact-row .n2-voice-select{
    width:155px!important;
    min-width:155px!important;
  }
  .article-head .center-compact-row .context-meta-group{
    font-size:11px!important;
    gap:5px 6px!important;
  }
  .article-head .center-compact-row .center-compact-action,
  .article-head .center-compact-row .content-inline-action{
    padding-left:6px!important;
    padding-right:6px!important;
    font-size:11.5px!important;
  }
}

/* Tablet / mobile: wrapping is allowed only here */
@media(max-width:1023px){
  .article-head .center-compact-row > .context-info{
    flex-wrap:wrap!important;
    justify-content:center!important;
  }
}


/* source: migration-validation-compat */
html,body{max-width:100%;overflow-x:clip}

/* validation migration compatibility: preserves source content inside PASS system */
.migrated-copy{font-size:1rem;line-height:1.9;color:var(--muted);max-width:100%}
.migrated-copy p{margin:0 0 1rem}.migrated-copy p:last-child{margin-bottom:0}
.migrated-copy strong{color:var(--ink);font-weight:750}
.migrated-copy ul,.migrated-copy ol{margin:.8rem 0 1rem;padding-left:1.35rem}
.migrated-copy li+li{margin-top:.5rem}.migrated-copy br{line-height:1.6}
.migrated-copy .migration-note,.migration-note{margin:18px 0 0;padding:15px 17px;border-left:3px solid var(--grammar);background:var(--panel-soft);border-radius:0 10px 10px 0}
.migration-compare-box{display:grid;gap:14px}.migration-compare-box>div{padding:16px 18px;border:1px solid var(--line);border-radius:12px;background:var(--paper)}
.word-group-title{grid-column:1/-1;margin:10px 0 -2px;padding:0 0 8px;border-bottom:1px solid var(--line);font-weight:800;color:var(--ink);font-size:1rem;letter-spacing:.02em}
.migration-study,.migration-guide,.migration-disclaimer{width:min(100%,880px);margin:36px auto 0;padding:24px 0;border-top:1px solid var(--line)}
.migration-study h2,.migration-guide h2{margin:0 0 12px;font-size:1.2rem}.migration-study .migrated-copy,.migration-guide .migrated-copy{font-size:.96rem}
.migration-disclaimer{font-size:.86rem;color:var(--muted);padding-top:18px}
@media(max-width:700px){.migrated-copy{font-size:.96rem;line-height:1.85}.migration-study,.migration-guide,.migration-disclaimer{margin-top:28px;padding-top:20px}}


/* source: validation-refinements-v2 */

/* =========================================================
   7-page validation refinement v2
   confirmed refinements:
   - long vocabulary titles scale down by length
   - content returns to centered book-reading axis
   - quiz instructions use deliberate line breaks
   - reference disclaimer is short and low-emphasis
   ========================================================= */

/* Book-like centered reading axis */
.words-grid,
.study-focus,
.vocab-related,
.migration-guide,
.migration-disclaimer,
.related{
  width:min(100%,980px);
  margin-left:auto!important;
  margin-right:auto!important;
}

/* Long vocabulary titles: scale instead of filling the viewport */
@media (min-width:901px){
  .article-head h1.title-adaptive-long{
    font-size:clamp(42px,4.25vw,56px)!important;
    line-height:1.12!important;
    letter-spacing:-.035em!important;
    text-wrap:balance;
  }
  .article-head h1.title-adaptive-xlong{
    font-size:clamp(38px,3.85vw,50px)!important;
    line-height:1.14!important;
    letter-spacing:-.03em!important;
    text-wrap:balance;
  }
}

/* Quiz lead: Japanese / Chinese / count are deliberate lines */
.article-head .lead .lead-line{
  display:block;
}
.article-head .lead .lead-zh{
  margin-top:2px;
}
.article-head .lead .lead-count{
  display:block;
  margin-top:1px;
  color:#74807c;
  font-size:.88em;
  line-height:1.6;
}

/* Short, quiet reference information */
.migration-disclaimer{
  margin-top:34px!important;
  padding-top:20px!important;
  padding-bottom:0!important;
  border-top:1px solid #e1e6e3!important;
  color:#6f7b77!important;
}
.migration-disclaimer .reference-label{
  margin:0 0 7px!important;
  color:#7f8a86!important;
  font-size:12px!important;
  font-weight:700!important;
  letter-spacing:.06em!important;
}
.migration-disclaimer .reference-line{
  margin:0!important;
  font-size:13px!important;
  line-height:1.85!important;
}
.migration-disclaimer .reference-line + .reference-line{
  margin-top:4px!important;
}
.migration-disclaimer a{
  color:inherit!important;
  text-underline-offset:3px;
}

@media (max-width:900px){
  .words-grid,
  .study-focus,
  .vocab-related,
  .migration-guide,
  .migration-disclaimer,
  .related{
    width:100%;
  }
}


/* source: validation-refinements-v3 */

/* =========================================================
   7-page validation refinement v3
   confirmed:
   1. nuance key phrases = restrained warm underline
   2. remove redundant legacy part-of-speech metadata row
   3. reference info = one compact fixed small-text row on desktop
   ========================================================= */

/* Nuance emphasis: only marked key phrases, not whole paragraphs */
.nuance-key{
  position:relative;
  display:inline;
  font-weight:650;
  z-index:0;
  text-decoration:none!important;
  background:
    linear-gradient(
      to top,
      rgba(216,184,82,.32) 0,
      rgba(216,184,82,.32) 34%,
      transparent 34%,
      transparent 100%
    );
  box-decoration-break:clone;
  -webkit-box-decoration-break:clone;
  padding:0 .05em;
}

/* Reference information: quiet, single desktop line */
.migration-disclaimer.reference-inline{
  width:min(100%,980px)!important;
  margin:30px auto 0!important;
  padding:14px 0 0!important;
  border-top:1px solid #e1e6e3!important;
  display:flex!important;
  align-items:baseline!important;
  justify-content:flex-start!important;
  gap:8px!important;
  color:#7b8682!important;
  font-size:12px!important;
  line-height:1.65!important;
  white-space:nowrap!important;
}
.migration-disclaimer.reference-inline .reference-label{
  flex:0 0 auto!important;
  margin:0!important;
  font-size:12px!important;
  font-weight:700!important;
  letter-spacing:.04em!important;
  color:#727d79!important;
}
.migration-disclaimer.reference-inline .reference-copy{
  margin:0!important;
  min-width:0!important;
  font-size:12px!important;
  line-height:inherit!important;
  color:inherit!important;
  white-space:nowrap!important;
}
.migration-disclaimer.reference-inline a{
  color:inherit!important;
  text-underline-offset:3px!important;
}

@media(max-width:900px){
  .migration-disclaimer.reference-inline{
    display:block!important;
    white-space:normal!important;
    font-size:12px!important;
  }
  .migration-disclaimer.reference-inline .reference-copy{
    margin-top:4px!important;
    white-space:normal!important;
  }
}


/* source: confirmed-compare-system-v4 */

/* =========================================================
   v4 confirmed compare system
   Desktop: true 3-column comparison table
   Mobile: attribute-by-attribute comparison blocks
   ========================================================= */

.compare-table-wrap{
  width:min(100%,980px);
  margin:22px auto 0;
}

.compare-table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  table-layout:fixed;
  background:#fff;
  border:1px solid #dfe5e2;
  border-radius:14px;
  overflow:hidden;
}

.compare-table th,
.compare-table td{
  padding:14px 16px;
  border-right:1px solid #e4e8e6;
  border-bottom:1px solid #e4e8e6;
  text-align:left;
  vertical-align:top;
  line-height:1.75;
}

.compare-table tr:last-child th,
.compare-table tr:last-child td{
  border-bottom:0;
}

.compare-table th:last-child,
.compare-table td:last-child{
  border-right:0;
}

.compare-table thead th{
  background:#f4f6f5;
  color:#2a3531;
  font-size:.93rem;
  font-weight:750;
}

.compare-table thead th:first-child{
  width:108px;
}

.compare-table tbody th{
  width:108px;
  background:#fafbfa;
  color:#68736f;
  font-size:.86rem;
  font-weight:700;
  white-space:nowrap;
}

.compare-table .grammar-name{
  display:inline-block;
  white-space:nowrap;
  word-break:keep-all;
  overflow-wrap:normal;
  font-weight:750;
}

.compare-table .jp-example{
  display:block;
  margin-bottom:4px;
  color:#17201d;
}

.compare-table .zh-example{
  display:block;
  color:#6c7873;
  font-size:.92em;
}

.compare-mobile{
  display:none;
}

@media(max-width:760px){
  .compare-table-wrap{
    width:100%;
  }
  .compare-table{
    display:none;
  }
  .compare-mobile{
    display:grid;
    gap:14px;
  }
  .compare-mobile-item{
    border-top:1px solid #dfe5e2;
    padding-top:12px;
  }
  .compare-mobile-label{
    margin:0 0 8px;
    color:#697570;
    font-size:.8rem;
    font-weight:750;
    letter-spacing:.04em;
  }
  .compare-mobile-pair{
    display:grid;
    gap:9px;
  }
  .compare-mobile-side{
    padding:10px 12px;
    background:#f8faf9;
    border-left:3px solid #cfd9d4;
  }
  .compare-mobile-grammar{
    display:block;
    margin-bottom:4px;
    font-weight:750;
    white-space:nowrap;
    word-break:keep-all;
  }
}

/* 659060014 line-break and book-axis refinements */
#compare,
.section-compare,
.section-core,
.section-connection,
.section-examples,
.section-nuance{
  scroll-margin-top:90px;
}

.section-core .deep-copy,
.section-nuance .deep-copy,
.section-compare .deep-copy,
.section-examples .examples-list,
.section-connection .formulas{
  width:min(100%,860px);
  margin-left:auto;
  margin-right:auto;
}

.grammar-unit,
.section-compare strong,
.section-core strong,
.section-nuance strong{
  word-break:keep-all;
  overflow-wrap:normal;
}

@media(min-width:901px){
  .section-compare h2{
    text-wrap:balance;
  }
}


/* source: confirmed-compare-system-v5 */

/* v5: section title clean-up + unified compare table */
.section h2 .nuance-key,
.section h2 .grammar-unit,
.section h3 .nuance-key,
.section h3 .grammar-unit{
  background:none !important;
  background-image:none !important;
  box-shadow:none !important;
  text-decoration:none !important;
  border-bottom:0 !important;
  padding:0 !important;
}

.compare-table-wrap{
  width:min(100%,980px);
  margin:18px auto 0;
}
.compare-table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  table-layout:fixed;
  background:#fff;
  border:1px solid #dfe5e2;
  border-radius:16px;
  overflow:hidden;
}
.compare-table th,
.compare-table td{
  padding:14px 16px;
  border-right:1px solid #e4e8e6;
  border-bottom:1px solid #e4e8e6;
  text-align:left;
  vertical-align:top;
  line-height:1.72;
  word-break:normal;
  overflow-wrap:break-word;
}
.compare-table th:last-child,
.compare-table td:last-child{border-right:0;}
.compare-table tr:last-child th,
.compare-table tr:last-child td{border-bottom:0;}
.compare-table thead th{
  background:#f4f6f5;
  color:#20302b;
  font-weight:780;
  font-size:.95rem;
}
.compare-table thead th:first-child{
  width:118px;
}
.compare-table tbody th{
  width:118px;
  background:#fafbfa;
  color:#67726e;
  font-weight:760;
  font-size:.86rem;
  white-space:nowrap;
}
.compare-table .grammar-name,
.compare-mobile-grammar{
  display:inline-block;
  font-weight:780;
  white-space:nowrap;
  word-break:keep-all;
  overflow-wrap:normal;
}
.compare-table .jp-example,
.compare-mobile .jp-example{
  display:block;
  margin-bottom:4px;
  color:#18221e;
}
.compare-table .zh-example,
.compare-mobile .zh-example{
  display:block;
  color:#68746f;
  font-size:.93em;
}
.compare-intro{
  margin:0 0 8px;
}
.compare-mobile{display:none;}

html[data-theme="dark"] .compare-table{
  background:#1d2422;
  border-color:#3b4541;
}
html[data-theme="dark"] .compare-table thead th{
  background:#25302d;
  color:#e8efec;
}
html[data-theme="dark"] .compare-table tbody th{
  background:#212927;
  color:#b8c4bf;
}
html[data-theme="dark"] .compare-table td,
html[data-theme="dark"] .compare-table th{
  border-color:#3a4541;
}
html[data-theme="dark"] .compare-table .jp-example{color:#f1f4f2;}
html[data-theme="dark"] .compare-table .zh-example{color:#c4cfca;}

@media (max-width:760px){
  .compare-table{display:none;}
  .compare-mobile{display:grid;gap:12px;}
  .compare-mobile-item{
    border:1px solid #dfe5e2;
    border-radius:14px;
    overflow:hidden;
    background:#fff;
  }
  .compare-mobile-label{
    padding:10px 12px;
    background:#f4f6f5;
    color:#5f6b66;
    font-size:.8rem;
    font-weight:760;
    letter-spacing:.04em;
  }
  .compare-mobile-pair{display:grid;grid-template-columns:1fr;}
  .compare-mobile-side{
    padding:12px 12px 13px;
    border-top:1px solid #e4e8e6;
  }
  .compare-mobile-side:first-child{border-top:0;}
  .compare-mobile-side:nth-child(1){border-left:4px solid #b8cbc1;}
  .compare-mobile-side:nth-child(2){border-left:4px solid #d3d9f3;}
  html[data-theme="dark"] .compare-mobile-item{background:#1d2422;border-color:#3b4541;}
  html[data-theme="dark"] .compare-mobile-label{background:#25302d;color:#bfc9c4;}
  html[data-theme="dark"] .compare-mobile-side{border-color:#3a4541;}
}