:root{color-scheme:light;--paper:#f7f7f2;--card:#fffefa;--ink:#183b34;--ink-2:#345a50;--muted:#7c8b82;--line:#e4e9df;--mint:#dfeae0;--mint-strong:#cbdccb;--orange:#e7a65c;--orange-pale:#f7ead6;--blue:#dae8ea;--rose:#f2e1dc;--shadow:0 10px 32px rgba(31,57,45,.055);font-family:-apple-system,BlinkMacSystemFont,'Hiragino Sans','Yu Gothic UI',sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}
*{box-sizing:border-box}html{background:var(--paper);scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);min-height:100vh;-webkit-font-smoothing:antialiased}.app-shell{min-height:100vh;padding-bottom:calc(90px + env(safe-area-inset-bottom))}.topbar{height:76px;max-width:1120px;padding:0 36px;margin:auto;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(39,74,58,.09)}.brand{display:flex;align-items:center;gap:11px;color:var(--ink);text-decoration:none}.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--ink);color:#f3c57d;display:grid;place-items:center;font-family:Georgia,'Yu Mincho',serif;font-size:21px;font-weight:700}.brand-name{font-size:14px;letter-spacing:-.35px}.brand-name b{font-weight:700}.profile-chip{border:1px solid var(--line);background:rgba(255,254,250,.8);border-radius:999px;padding:5px 12px 5px 5px;display:flex;align-items:center;gap:9px;color:var(--ink);font:500 12px inherit;cursor:pointer}.avatar,.setting-avatar{width:31px;height:31px;border-radius:50%;background:#e8d8bc;color:#654e2b;display:grid;place-items:center;font-size:12px;font-weight:700}.profile-chip svg{width:14px;fill:none;stroke:currentColor;stroke-width:1.6}.page{width:min(100% - 40px,720px);margin:0 auto;padding:44px 0 36px}.today-page{width:min(100% - 40px,790px)}.welcome-row{display:flex;align-items:flex-end;justify-content:space-between;margin:4px 0 24px}.eyebrow{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;letter-spacing:1.35px;color:#829087;margin:0 0 9px}.live-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#d9954c;margin-left:5px;vertical-align:1px}.page h1,.welcome-row h1{font-family:Georgia,'Yu Mincho',serif;font-size:clamp(34px,7vw,44px);letter-spacing:-1.5px;line-height:1.1;margin:0;color:var(--ink)}.date-line{font-size:13px;color:var(--muted);margin:11px 0 0}.dot-sep{margin:0 5px;color:#bdc6bb}.day-mark{width:72px;height:70px;border-left:1px solid var(--line);display:flex;flex-direction:column;align-items:flex-end;justify-content:center;color:var(--muted);font:9px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:1px}.day-mark b{font:700 28px Georgia,'Yu Mincho',serif;color:var(--orange);line-height:1.2}.progress-panel{padding:18px 20px 15px;background:#e9efe6;border:1px solid #e3e9de;border-radius:16px;margin-bottom:34px}.progress-copy{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--ink-2)}.progress-copy strong{font:700 20px Georgia,'Yu Mincho',serif;color:var(--ink)}.progress-copy small{font:500 11px 'DM Sans',sans-serif;color:var(--muted)}.progress-track{height:5px;border-radius:9px;background:#d4dfd2;margin:12px 0 8px;overflow:hidden}.progress-track span{display:block;height:100%;border-radius:9px;background:#49785c;transition:width .3s}.progress-panel p{font-size:11px;color:#728479;margin:0}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;margin:0 0 13px}.section-heading .eyebrow{margin-bottom:4px}.section-heading h2{font-size:18px;letter-spacing:-.5px;margin:0;font-weight:600}.small-count{font:9px ui-monospace,SFMono-Regular,Menlo,monospace;color:#9aa59b;letter-spacing:.8px;margin-bottom:3px}.article-list{display:grid;gap:10px}.story-card{position:relative;display:grid;grid-template-columns:38px 1fr 24px;gap:12px;align-items:start;padding:18px 17px 16px 15px;border:1px solid #e9e9df;border-radius:15px;background:var(--card);box-shadow:0 3px 13px rgba(33,53,39,.025);cursor:pointer;transition:transform .16s,border-color .16s,box-shadow .16s;outline:none}.story-card:hover,.story-card:focus-visible{transform:translateY(-2px);border-color:#b8cbbb;box-shadow:var(--shadow)}.story-card.story-ai{border-color:#e9d3ad;background:linear-gradient(110deg,#fffdf5,#fffefa 65%)}.story-index{font:13px ui-monospace,SFMono-Regular,Menlo,monospace;color:#b9c2b7;padding-top:2px}.story-info{min-width:0}.story-meta{display:flex;align-items:center;gap:9px;font:9px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.55px;color:#98a197}.category-pill{display:inline-flex;align-items:center;min-height:21px;padding:3px 8px;border-radius:999px;background:var(--mint);color:#42634e;font:600 10px -apple-system,BlinkMacSystemFont,'Hiragino Sans','Yu Gothic UI',sans-serif;letter-spacing:0}.category-ai{background:var(--orange-pale);color:#8b5d25}.category-science{background:var(--blue);color:#45656b}.category-entertainment{background:var(--rose);color:#89544b}.story-info h3{font-family:Georgia,'Yu Mincho',serif;font-size:19px;line-height:1.25;letter-spacing:-.25px;margin:8px 0 4px;color:#1a3d35}.story-subtitle{font-size:11px;line-height:1.55;color:#89948a;margin:0;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}.story-bottom{display:flex;align-items:center;justify-content:space-between;margin-top:13px}.read-status{font-size:10px;color:#8d9a90}.check{color:#4e8061;font-size:13px;font-weight:700}.story-link{font-size:11px;font-weight:600;color:#466a56}.story-link span{font-size:14px;margin-left:3px}.story-arrow{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:#f0f3ed;color:#73907a;font-size:12px;margin-top:18px}.story-ai .story-arrow{background:#f8edda;color:#b27c38}.is-read .story-arrow{background:#e8f0e8}.gentle-note{display:flex;gap:13px;align-items:center;margin:24px 0 0;padding:17px 20px;border-radius:14px;background:#edf0e9}.note-star,.end-flower{color:#bb8750;font-size:21px}.gentle-note p{margin:0;font-size:12px;line-height:1.8;color:#6e7e72}.gentle-note b{color:var(--ink);font-weight:600}.page-footer{font:9px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.8px;color:#a1aaa0;text-align:center;margin:30px 0 0}.page-footer span{color:#d29a52;margin:0 5px}.bottom-nav{position:fixed;z-index:20;bottom:0;left:0;right:0;height:calc(72px + env(safe-area-inset-bottom));padding:7px 0 calc(7px + env(safe-area-inset-bottom));background:rgba(255,254,250,.94);backdrop-filter:blur(16px);border-top:1px solid rgba(42,67,48,.1);display:flex;justify-content:center;gap:min(17vw,125px)}.nav-item{width:60px;border:0;background:none;color:#99a49a;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font:500 10px -apple-system,BlinkMacSystemFont,'Hiragino Sans','Yu Gothic UI',sans-serif;cursor:pointer}.nav-item svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.nav-item.is-active{color:#37634d}.nav-item.is-active span{font-weight:700}.back-link{border:0;background:none;color:#718176;padding:0;margin:0 0 28px;font:500 12px -apple-system,BlinkMacSystemFont,'Hiragino Sans','Yu Gothic UI',sans-serif;cursor:pointer}.back-link span{font-size:17px;vertical-align:-1px;margin-right:7px}.reader-title-block{margin-bottom:22px}.reader-title-block .story-meta{gap:11px}.reader-title-block h1{font-size:clamp(32px,8vw,43px);line-height:1.13;margin:15px 0 10px}.reader-deck{font-size:12px;line-height:1.65;color:#839087;margin:0}.audio-panel{background:#e8efe6;padding:17px 18px 14px;border:1px solid #dce7da;border-radius:16px;margin-bottom:31px}.audio-head{display:flex;align-items:center;gap:11px}.audio-symbol{width:35px;height:35px;border-radius:11px;background:#d8e5d6;display:grid;place-items:center;font-size:18px;color:#426b51}.audio-head div{display:flex;flex-direction:column;gap:3px;flex:1}.audio-head b{font-size:12px;font-weight:600}.audio-head small{font-size:10px;color:#809084}.audio-speed{font:10px ui-monospace,SFMono-Regular,Menlo,monospace;color:#65806b}.audio-panel audio{display:none}.audio-controls{display:flex;align-items:center;gap:12px;margin-top:15px}.play-button{border:0;width:38px;height:38px;flex:0 0 38px;border-radius:50%;background:var(--ink);color:#fff;font-size:13px;padding-left:3px;cursor:pointer}.audio-progress-wrap{min-width:0;flex:1}.audio-seek{appearance:none;width:100%;height:4px;margin:6px 0;background:linear-gradient(to right,#64836b var(--seek-progress,0%),#cbd8c9 var(--seek-progress,0%));border-radius:5px;cursor:pointer}.audio-seek::-webkit-slider-thumb{appearance:none;width:12px;height:12px;border-radius:50%;background:#42694e;border:2px solid #edf3ea;box-shadow:0 0 0 1px #718d73}.audio-seek::-moz-range-thumb{width:9px;height:9px;border-radius:50%;background:#42694e;border:2px solid #edf3ea}.audio-times{display:flex;justify-content:space-between;color:#819085;font:9px ui-monospace,SFMono-Regular,Menlo,monospace}.speed-button{border:1px solid #cad8c8;background:transparent;border-radius:8px;padding:6px 8px;color:#526c58;font:10px ui-monospace,SFMono-Regular,Menlo,monospace;cursor:pointer}.audio-error{font-size:11px;color:#99534d;margin:10px 0 0}.english-article{font-family:-apple-system,BlinkMacSystemFont,'Hiragino Sans','Yu Gothic UI',sans-serif}.reading-kicker{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:17px;color:#9ca79d;font:9px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.8px}.english-article p{font-size:17px;line-height:1.85;letter-spacing:.02em;color:#33483f;margin:0 0 18px}.vocabulary{background:#fffefa;border:1px solid var(--line);border-radius:14px;margin:29px 0 14px;overflow:hidden}.vocabulary summary{list-style:none;display:flex;align-items:center;justify-content:space-between;padding:16px 17px;cursor:pointer}.vocabulary summary::-webkit-details-marker{display:none}.vocabulary summary>span:first-child{display:flex;flex-direction:column;gap:4px}.vocabulary summary b{font-size:13px}.vocabulary summary small{font-size:10px;color:#8a968b}.vocab-count{display:flex;gap:9px;align-items:center;color:#95a096;font:9px ui-monospace,SFMono-Regular,Menlo,monospace}.vocab-count i{font-style:normal;font-size:16px;transition:transform .2s}.vocabulary[open] .vocab-count i{transform:rotate(180deg)}.vocab-list{border-top:1px solid var(--line);padding:3px 17px 12px}.vocab-list div{display:grid;grid-template-columns:minmax(100px, .8fr) 1.2fr;gap:12px;padding:10px 0;border-bottom:1px solid #f0f1ec;font-size:12px}.vocab-list div:last-child{border-bottom:0}.vocab-list b{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:#476953;font-weight:500}.vocab-list span{color:#7e8980}.source-box{display:grid;grid-template-columns:32px 1fr;gap:4px 12px;padding:17px;border-radius:14px;background:#f0f1eb;margin:15px 0}.source-icon{grid-row:span 2;width:30px;height:30px;background:#e1e7dd;border-radius:9px;display:grid;place-items:center;color:#66816a}.source-box>div:nth-child(2){display:flex;flex-direction:column;gap:4px}.source-box small{font:9px ui-monospace,SFMono-Regular,Menlo,monospace;color:#9aa39a;letter-spacing:.7px}.source-box b{font-size:12px}.source-box span{font-size:10px;color:#8b958d}.source-links{grid-column:2;display:flex;gap:13px;flex-wrap:wrap;margin-top:7px}.source-links a{font-size:10px;color:#456f55;text-decoration:none;border-bottom:1px solid #b5c9b5;padding-bottom:2px}.reader-end{display:flex;align-items:center;justify-content:center;gap:12px;margin:32px 0 22px}.reader-end p{margin:0;color:#87938a;font-size:11px;line-height:1.7}.reader-end b{color:#486150;font-weight:600}.reader-actions{display:flex;flex-direction:column;align-items:center;gap:10px}.primary-button{border:0;background:var(--ink);color:#fffefa;border-radius:10px;min-height:48px;padding:0 24px;font:600 13px -apple-system,BlinkMacSystemFont,'Hiragino Sans','Yu Gothic UI',sans-serif;cursor:pointer;transition:background .15s,transform .15s}.primary-button:hover{background:#285548;transform:translateY(-1px)}.reader-actions .primary-button{width:min(100%,360px)}.text-button{border:0;background:transparent;color:#738177;padding:8px 14px;font:500 11px -apple-system,BlinkMacSystemFont,'Hiragino Sans','Yu Gothic UI',sans-serif;cursor:pointer}.feedback-page{padding-top:30px}.feedback-card{padding:30px 26px;background:#fffefa;border:1px solid #e8e9e0;border-radius:18px;box-shadow:var(--shadow)}.feedback-flower{display:block;font-size:22px;color:#d5a365;margin-bottom:16px}.feedback-card h1{font-size:38px;line-height:1.2;margin:0 0 11px}.feedback-about{font-size:12px;color:#89948a;border-bottom:1px solid var(--line);padding-bottom:20px;margin:0 0 22px}.feedback-card fieldset{border:0;padding:0;margin:0 0 20px}.feedback-card legend{font-size:12px;font-weight:600;margin-bottom:10px}.feedback-card legend span{font-size:10px;font-weight:400;color:#9aa49a;margin-left:4px}.choice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}.choice-button{min-height:43px;padding:7px 4px;border:1px solid #e2e8df;border-radius:9px;background:#fffefa;color:#637369;font:500 10px -apple-system,BlinkMacSystemFont,'Hiragino Sans','Yu Gothic UI',sans-serif;cursor:pointer}.choice-button.selected{border-color:#5e8063;background:#e8f0e6;color:#365744;box-shadow:inset 0 0 0 1px #5e8063}.feedback-save{width:100%;margin-top:6px}.skip-feedback{display:block;margin:5px auto 0}.history-page h1,.settings-page h1{font-size:42px}.page-intro{font-size:13px;color:#849087;margin:11px 0 31px}.history-group{border-top:1px solid var(--line)}.month-label{font:10px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.5px;color:#95a097;margin:17px 0 8px}.history-row{width:100%;display:flex;align-items:center;text-align:left;gap:15px;padding:14px 3px;background:none;border:0;border-bottom:1px solid var(--line);cursor:pointer;color:var(--ink)}.history-date{width:42px;display:flex;flex-direction:column;align-items:center}.history-date b{font:26px Georgia,'Yu Mincho',serif}.history-date small{font-size:9px;color:#929c92}.history-info{flex:1;display:flex;flex-direction:column;gap:5px}.history-info b{font-size:12px}.history-info small{font-size:10px;color:#8c978e}.history-progress{font:11px ui-monospace,SFMono-Regular,Menlo,monospace;color:#73877a}.history-progress i{font-style:normal;font-size:20px;vertical-align:-2px;margin-left:8px}.history-retention{display:flex;align-items:center;gap:11px;margin:20px 0;padding:14px;border-radius:12px;background:#edf0e9;color:#89948b}.history-retention>span{font-size:18px}.history-retention p{font-size:10px;line-height:1.7;margin:0}.settings-card{background:#fffefa;border:1px solid #e8e9e0;border-radius:16px;overflow:hidden}.setting-row{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:15px;padding:14px 17px;border-bottom:1px solid #edf0e9}.setting-row>span:first-child{display:flex;flex-direction:column;gap:5px}.setting-row b,.settings-foot b{font-size:12px;font-weight:600}.setting-row small,.settings-foot small{font-size:10px;color:#8d988e}.setting-row input,.setting-row select{width:min(43%,170px);border:1px solid #dfe5dc;border-radius:8px;background:#fffefa;padding:9px 10px;color:#324b3d;font:12px -apple-system,BlinkMacSystemFont,'Hiragino Sans','Yu Gothic UI',sans-serif}.setting-disabled{color:#9da69e}.coming-soon{border-radius:999px;padding:5px 9px;background:#f0f1ec;color:#99a198;font-size:9px}.settings-foot{display:flex;align-items:center;gap:10px;padding:15px 17px}.settings-foot>span:last-child{display:flex;flex-direction:column;gap:4px}.setting-avatar{width:30px;height:30px}.settings-card>.primary-button{width:calc(100% - 34px);margin:0 17px 17px}.privacy-note{font-size:10px;line-height:1.7;color:#909a91;margin:14px 4px}.error-page{max-width:500px}.error-page p{font-size:13px;line-height:1.75;color:#748077}.error-page code{background:#e9eee7;padding:2px 4px;border-radius:4px}.toast{position:fixed;z-index:30;bottom:calc(86px + env(safe-area-inset-bottom));left:50%;transform:translate(-50%,12px);opacity:0;pointer-events:none;background:#1c4339;color:#fff;border-radius:999px;padding:11px 18px;font-size:11px;box-shadow:0 8px 25px #183b3430;transition:opacity .2s,transform .2s}.toast.show{opacity:1;transform:translate(-50%,0)}

@media(min-width:760px){.app-shell{padding-bottom:30px}.topbar{height:82px}.page{padding-top:52px}.today-page{padding-top:48px}.bottom-nav{position:static;height:52px;padding:0;background:transparent;border:0;backdrop-filter:none;margin:10px auto 0;gap:58px}.nav-item{flex-direction:row;width:auto;gap:7px;font-size:11px}.nav-item svg{width:18px;height:18px}.reader-page{padding-top:38px}.english-article p{font-size:18px;line-height:1.9}.toast{bottom:24px}}
@media(max-width:430px){.topbar{height:65px;padding:0 18px}.brand-name{font-size:12px}.page,.today-page{width:calc(100% - 34px);padding-top:30px}.welcome-row{margin-top:0}.welcome-row h1{font-size:37px}.day-mark{width:58px}.progress-panel{padding:15px 16px;margin-bottom:28px}.section-heading h2{font-size:16px}.story-card{grid-template-columns:27px 1fr 22px;gap:10px;padding:15px 12px}.story-info h3{font-size:17px}.story-subtitle{font-size:10px}.story-meta{font-size:8px;gap:7px}.category-pill{font-size:9px}.story-arrow{width:22px;height:22px}.reader-page{padding-top:24px}.reader-title-block h1{font-size:33px}.english-article p{font-size:16px;line-height:1.82}.feedback-card{padding:25px 19px}.feedback-card h1{font-size:35px}.choice-button{font-size:9px}.setting-row{padding-left:14px;padding-right:14px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}

.bottom-nav.is-hidden{display:none}

/* Navigation, article index and long-form karaoke reading */
.help-link{display:inline-flex;align-items:center;gap:7px;border:1px solid #dbe4d8;border-radius:999px;background:#fffefa;color:#55705d;padding:7px 11px;font:500 10px -apple-system,BlinkMacSystemFont,'Hiragino Sans','Yu Gothic UI',sans-serif;cursor:pointer}.help-link span{width:16px;height:16px;display:grid;place-items:center;border-radius:50%;background:#eaf0e7;color:#40634c;font:600 10px Georgia,serif}.list-intro{font-size:10px;color:#8b978d;margin:-7px 0 13px}.breadcrumb{display:flex;align-items:center;gap:9px;margin:0 0 23px;color:#a1aaa1;font-size:11px}.breadcrumb button{border:0;background:none;padding:3px 0;color:#597561;font:500 11px -apple-system,BlinkMacSystemFont,'Hiragino Sans','Yu Gothic UI',sans-serif;cursor:pointer}.breadcrumb span:last-child{color:#718077}.reader-page{padding-bottom:54px}.audio-panel{position:sticky;top:7px;z-index:8;box-shadow:0 7px 22px rgba(31,57,45,.08)}.speed-button{min-width:69px}.speed-menu{position:absolute;z-index:12;right:17px;top:112px;padding:5px;background:#fffefa;border:1px solid #dfe7dc;border-radius:12px;box-shadow:0 12px 28px rgba(27,55,39,.13);display:grid;grid-template-columns:repeat(4,1fr);gap:3px}.speed-menu[hidden]{display:none}.speed-menu button{min-width:54px;border:0;border-radius:8px;background:transparent;color:#68796d;padding:8px 6px;font:600 11px ui-monospace,SFMono-Regular,Menlo,monospace;cursor:pointer}.speed-menu button.selected{background:#e8f0e6;color:#315640}.speed-menu small{display:block;margin-top:3px;font:9px -apple-system,BlinkMacSystemFont,'Hiragino Sans','Yu Gothic UI',sans-serif;color:#9a7746}.follow-controls{display:flex;align-items:center;gap:8px;margin:10px 1px 0;padding-top:9px;border-top:1px solid #d9e4d8}.sync-status{flex:1;font-size:9px;color:#78907d}.follow-controls button{border:0;background:transparent;color:#55725d;padding:4px 2px;font:500 9px -apple-system,BlinkMacSystemFont,'Hiragino Sans','Yu Gothic UI',sans-serif;cursor:pointer;white-space:nowrap}.follow-controls button[hidden]{display:none}.karaoke-word{border-radius:4px;padding:1px 1px;transition:background-color .1s,color .1s}.karaoke-word.is-spoken{color:#819187}.karaoke-word.is-current{background:#f2d282;color:#1d2b22;box-shadow:0 0 0 2px #f2d282;border-radius:4px}.english-article{scroll-margin-top:150px}.karaoke-paragraph{scroll-margin-top:35vh}.sheet-open{overflow:hidden}.sheet-backdrop{position:fixed;z-index:50;inset:0;display:flex;align-items:flex-end;justify-content:center;background:rgba(21,43,34,.36);backdrop-filter:blur(3px)}.bottom-sheet{width:min(100%,570px);max-height:min(82vh,720px);overflow:auto;padding:25px 22px calc(22px + env(safe-area-inset-bottom));border-radius:22px 22px 0 0;background:#fffefa;box-shadow:0 -12px 40px rgba(24,54,39,.16);animation:sheet-in .18s ease-out}.sheet-heading{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:13px}.sheet-heading h2{font:600 22px Georgia,'Yu Mincho',serif;margin:0;color:#183b34}.sheet-heading .eyebrow{margin-bottom:5px}.sheet-close{width:34px;height:34px;border:0;border-radius:50%;background:#edf1eb;color:#5b6f60;font-size:22px;line-height:1;cursor:pointer}.index-sheet-list{display:grid}.index-sheet-row{width:100%;display:grid;grid-template-columns:34px 1fr 18px;gap:12px;align-items:center;text-align:left;padding:14px 3px;border:0;border-top:1px solid #e9ede6;background:transparent;color:#183b34;cursor:pointer}.index-sheet-row.current{background:#f5f7f1}.index-number{font:11px ui-monospace,SFMono-Regular,Menlo,monospace;color:#a0aba0}.index-sheet-row>span:nth-child(2){display:grid;gap:5px}.index-sheet-row small{font-size:9px;color:#8b988c}.index-sheet-row b{font:600 15px Georgia,'Yu Mincho',serif}.index-arrow{font-size:20px;color:#879889}.guide-list{display:grid;gap:4px}.guide-list>div{display:flex;gap:13px;align-items:flex-start;padding:12px 2px;border-top:1px solid #e9ede6}.guide-list>div>span{font:11px ui-monospace,SFMono-Regular,Menlo,monospace;color:#bd8b51;padding-top:1px}.guide-list p{display:grid;gap:4px;margin:0}.guide-list b{font-size:12px;color:#294a3b}.guide-list small{font-size:10px;color:#839087}.guide-footnote{margin:13px 0 0;padding:12px;border-radius:10px;background:#f0f2ec;color:#859087;font-size:9px;line-height:1.7}.follow-setting input{width:20px!important;height:20px;accent-color:#426a4f}.bottom-nav.is-hidden{display:flex}
@keyframes sheet-in{from{transform:translateY(18px);opacity:.7}to{transform:translateY(0);opacity:1}}
@media(min-width:760px){.bottom-sheet{border-radius:22px;padding-bottom:24px;margin-bottom:24px}.sheet-backdrop{align-items:center}.audio-panel{top:8px}.reader-page{padding-bottom:38px}}
@media(max-width:430px){.breadcrumb{margin-bottom:18px}.speed-menu{right:12px;top:110px;grid-template-columns:repeat(4,minmax(0,1fr));left:12px}.speed-menu button{min-width:0}.follow-controls{gap:5px}.follow-controls button{font-size:8px}.sync-status{font-size:8px}.help-link{padding:6px 9px}.index-sheet-row b{font-size:14px}}
@media(prefers-reduced-motion:reduce){.bottom-sheet{animation:none}}
/* Keep karaoke focus calm: no per-word fade, glow, or muted trail. */
.karaoke-word{transition:none!important;border-radius:2px;padding:0}
.karaoke-word.is-spoken{color:inherit}
.karaoke-word.is-current{background:#f8e8b7;color:inherit;box-shadow:none;border-radius:2px;text-decoration:underline;text-decoration-color:#c38d3e;text-decoration-thickness:2px;text-underline-offset:3px}
.story-card{grid-template-columns:clamp(90px,28vw,120px) 1fr 24px;align-items:center}.story-index{position:relative;align-self:center;width:100%;min-height:0;aspect-ratio:4/3;display:grid;place-items:center;overflow:hidden;border-radius:10px;background:#f8f7f0}.story-thumb{padding:0;background:#f8f7f0}.story-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}.story-thumb span{position:absolute;top:5px;left:5px;z-index:1;border-radius:4px;padding:2px 4px;background:rgba(255,254,250,.86);font:10px ui-monospace,SFMono-Regular,Menlo,monospace;color:#536659}
.reader-illustration{margin:0 0 22px;overflow:hidden;border:1px solid #e8e6dc;border-radius:15px;background:#f8f7f0}.reader-illustration img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:contain}.reader-illustration figcaption{padding:8px 12px;border-top:1px solid #ece9df;color:#849087;font-size:10px;line-height:1.4}
/* Slightly larger type for the small, high-value reading cues. */
.date-line{font-size:14px}.list-intro{font-size:12px;line-height:1.65}.story-meta{font-size:11px;gap:6px;letter-spacing:.2px;flex-wrap:wrap;row-gap:5px}.category-pill{font-size:11px;min-height:23px}.story-word-count,.story-duration{font-size:11px;white-space:nowrap}.story-duration{margin-left:auto;color:#6f8174;font-family:-apple-system,BlinkMacSystemFont,'Hiragino Sans','Yu Gothic UI',sans-serif}.story-subtitle{font-size:12px}.reader-deck{font-size:13px}.reading-kicker{font-size:11px}.english-article p{font-size:18px;line-height:1.9}
@media(max-width:430px){.date-line{font-size:14px}.list-intro{font-size:12px}.story-meta{font-size:10px;gap:5px;letter-spacing:0}.category-pill{font-size:10px}.story-word-count,.story-duration{font-size:10px}.story-subtitle{font-size:11px}.english-article p{font-size:17px;line-height:1.88}}
.category-sports{background:#e2eee9;color:#386954}.history-row.is-current{background:linear-gradient(90deg,#edf2e9,transparent);border-radius:10px}.history-row.is-current .history-date b{color:#477052}
/* Contemporary system-font treatment for product and article titles. */
.page h1,.welcome-row h1,.reader-title-block h1,.story-info h3,.sheet-heading h2,.index-sheet-row b{font-family:'Avenir Next',-apple-system,BlinkMacSystemFont,'Hiragino Sans','Yu Gothic UI',sans-serif;font-weight:700;letter-spacing:-.035em}

.content-toolbar{align-items:center;margin:0 0 13px}.content-toolbar .list-intro{margin:0}
.reading-toolbar{display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--line);padding-bottom:11px;margin-bottom:17px}.reading-toolbar .reading-kicker{flex:1;min-width:0;border:0;padding:0;margin:0}.translation-toggle{flex:0 0 auto;border:1px solid #d8e3d8;border-radius:999px;background:#f4f6f1;color:#466451;padding:7px 11px;font:600 11px -apple-system,BlinkMacSystemFont,'Hiragino Sans','Yu Gothic UI',sans-serif;cursor:pointer}.translation-toggle[aria-pressed=true]{background:#e5eee4;border-color:#b8cbb8}.japanese-translation{margin:-7px 0 20px;padding:12px 14px;background:#f0f3ed;border-left:3px solid #9eb69e;border-radius:4px 11px 11px 4px}.japanese-translation[hidden]{display:none}.japanese-translation>span{display:block;color:#718477;font-size:10px;font-weight:700;letter-spacing:.04em}.english-article .japanese-translation p{font-size:15px;line-height:1.8;letter-spacing:0;color:#5d6c60;margin:5px 0 0}
@media(max-width:430px){.reading-toolbar{gap:7px}.translation-toggle{font-size:10px;padding:7px 9px}.english-article .japanese-translation p{font-size:15px}}
.history-date{width:58px;flex:0 0 58px}.history-date b{font-size:21px;white-space:nowrap}
.issue-navigation{display:flex;gap:8px;width:272px;max-width:100%;margin-top:13px}.issue-nav-button{display:flex;align-items:center;justify-content:space-between;gap:8px;white-space:nowrap;flex:1 1 0;min-width:0;box-sizing:border-box;border:1px solid #e0e8dd;border-radius:10px;background:#fffefa;color:#45634d;padding:8px 11px;text-align:left;cursor:pointer}.issue-nav-button span{font-size:11px;font-weight:600;white-space:nowrap;flex-shrink:0}.issue-nav-button b{white-space:nowrap;flex-shrink:0;font:600 11px ui-monospace,SFMono-Regular,Menlo,monospace;color:#839186}.issue-nav-button:disabled{background:#f0f1ed;color:#a1aaa1;cursor:default;opacity:.72}.issue-nav-button:disabled b{color:#a1aaa1}
@media(max-width:430px){.issue-navigation{width:100%;gap:6px;margin-top:11px}.issue-nav-button{flex:1;gap:6px;padding:8px 7px}.issue-nav-button span,.issue-nav-button b{font-size:10px}}
.welcome-row>div{width:100%;min-width:0;flex:0 0 100%}

.auth-page { max-width: 480px; margin: 10vh auto; padding: 32px 24px; background: var(--paper, #fff); border: 1px solid rgba(34, 46, 39, .1); border-radius: 24px; }
.auth-page h1 { margin: 12px 0; }
.auth-page form { display: grid; gap: 16px; margin-top: 28px; }
.auth-page label { display: grid; gap: 8px; font-weight: 600; }
.auth-page input { min-height: 48px; padding: 10px 12px; border: 1px solid rgba(34, 46, 39, .22); border-radius: 12px; font: inherit; }
.auth-feedback { min-height: 1.4em; color: #a33; }
.local-demo-badge { margin-left: 8px; padding: 4px 7px; border-radius: 999px; background: #f1e4bd; color: #65501b; font-size: 10px; letter-spacing: .06em; font-weight: 700; }