:root{--ink:#222;--muted:#6e6e68;--line:#d9d9d3;--card:#fafaf8;--bar:#f0f0eb;--sk:#e4e4df;--accent:#d4521f;--accent-soft:#fcede6;--accent-ink:#b8410f;--tab-h:64px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{font:16px/1.6 var(--font-noto),-apple-system,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;color:var(--ink);background:#fff;margin:0}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}h1,h2,h3,p,ul{margin:0}ul{padding:0;list-style:none}img{max-width:100%}:focus-visible{outline-offset:2px;outline:3px solid #f4a98b}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.muted{color:var(--muted)}.center{text-align:center}.app{flex-direction:column;min-height:100vh;display:flex}main{flex:1;min-width:0;padding:0 16px 48px}.page{max-width:800px;margin:0 auto}.page.narrow{max-width:480px}.nav{z-index:20;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);background:#fff;display:none;position:fixed;bottom:0;left:0;right:0}.nav[data-top="1"]{display:flex}.app:has(.nav[data-top="1"]) main{padding-bottom:calc(var(--tab-h) + env(safe-area-inset-bottom) + 24px)}.nav .brand{display:none}.nav a{height:var(--tab-h);color:var(--ink);border-top:3px solid #0000;flex:1;justify-content:center;align-items:center;margin-top:-1px;font-size:16px;display:flex}.nav a[aria-current=page]{color:var(--accent);border-top-color:var(--accent);font-weight:700}.hdr{z-index:10;background:#fff;padding:12px 0 10px;position:sticky;top:0}.hdr-bar{background:var(--bar);border-radius:12px;align-items:center;gap:4px;min-height:52px;padding:0 10px 0 14px;display:flex}.hdr-bar.has-back{padding-left:6px}.hdr-back{border-radius:8px;align-items:center;padding:8px;display:inline-flex}.hdr-title{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;font-size:18px;font-weight:700;line-height:1.3;overflow:hidden}.icon-btn{background:0 0;border:0;border-radius:8px;padding:8px;display:inline-flex}.icon-btn[aria-pressed=true] svg{fill:currentColor}.search{border:1px solid var(--line);width:100%;height:52px;font:inherit;background:#fff;border-radius:12px;margin:6px 0 14px;padding:0 16px;display:block}.search::placeholder{color:var(--muted)}.tiles{grid-template-columns:1fr 1fr;gap:12px;display:grid}.tile{border:1px solid var(--line);background:var(--card);text-align:center;border-radius:14px;flex-direction:column;justify-content:center;align-items:center;gap:4px;min-height:124px;padding:16px;display:flex}.tile strong{font-size:20px}.tile span{color:var(--muted);font-size:15px}.tile:hover,.cta:hover,.link-card:hover{border-color:#a9a9a2}.cta{border:1.5px solid var(--ink);text-align:center;border-radius:14px;flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;min-height:84px;margin-top:12px;padding:16px;display:flex}.cta strong{font-size:20px}.cta .go{color:var(--accent-ink);display:inline-flex}.sec{margin:32px 0 6px;font-size:18px}.row{border-bottom:1px solid var(--line);align-items:center;gap:12px;min-height:60px;padding:16px 4px;display:flex}.row .idx{color:var(--muted);flex:none;width:22px}.row .grow{flex:1;min-width:0}.row .ttl{font-weight:500}.row .date{color:var(--muted);flex:none;font-size:15px}.row.big{font-size:18px}.tag{border:1.5px solid var(--ink);border-radius:999px;flex:none;align-items:center;height:28px;padding:0 12px;font-size:14px;font-weight:500;display:inline-flex}.tag.solid{background:var(--ink);color:#fff}.pill{border:1.5px solid var(--ink);border-radius:999px;flex:none;align-items:center;height:30px;padding:0 14px;font-size:14px;font-weight:500;display:inline-flex}.group-label{color:var(--muted);margin:26px 0 2px;font-size:15px;font-weight:700}.lock{color:var(--muted);display:inline-flex}.empty{text-align:center;color:var(--muted);padding:72px 16px}.empty strong{color:var(--ink);margin-bottom:6px;font-size:18px;display:block}.sk{background:var(--sk);border-radius:6px;height:12px;margin:10px 0}.crumb{color:var(--muted);margin:14px 0 4px;font-size:15px}.ch-title{margin-bottom:12px;font-size:32px;line-height:1.25}.chapter-grid{grid-template-columns:minmax(0,1fr);grid-template-areas:"main""papers";gap:0 32px;display:grid}.chapter-main{grid-area:main}.chapter-papers{grid-area:papers}.chapter-main section{margin-top:28px}.chapter-main h2,.chapter-papers h2{margin-bottom:8px;font-size:18px}.chapter-main p{color:#333}.cite{color:#1f5fd1;text-underline-offset:2px;padding:0 1px;font-weight:500;text-decoration:underline}.list{padding-left:0}.list li{color:#333;padding:6px 0 6px 18px;position:relative}.list li:before{content:"";background:var(--muted);border-radius:50%;width:6px;height:6px;position:absolute;top:.95em;left:2px}.note{color:var(--muted);margin-top:8px;font-size:14px}.opinion{background:#f7f5fb;border:1px solid #cfc6ea;border-radius:12px;margin:28px 0 0;padding:14px 16px}.opinion-tag{color:#6b4fc0;margin-bottom:4px;font-size:13px;font-weight:700}.lock-box{border:1px solid var(--line);background:#f7f7f5;border-radius:16px;flex-direction:column;align-items:center;gap:18px;margin:24px 0;padding:28px 24px;display:flex}.lock-box .skl{width:100%}.lock-icon{border:2px solid var(--ink);background:#fff;border-radius:20px;place-items:center;width:64px;height:64px;display:grid}.cta-pill{border:2px solid var(--accent);background:var(--accent-soft);border-radius:999px;align-items:center;gap:8px;min-height:52px;padding:0 28px;font-size:18px;font-weight:700;display:inline-flex}.pcard{border:1px solid var(--line);color:#444;background:#fff;border-radius:12px;align-items:center;gap:8px;min-height:58px;margin:10px 0;padding:16px;display:flex}.pcard .t{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.pcard.blank{background:#f7f7f5;min-height:66px}.pcard:hover{border-color:#a9a9a2}.tbl-wrap{border:1px solid var(--line);border-radius:12px;margin-top:8px;overflow:auto}.tbl{border-collapse:collapse;width:100%;min-width:300px}.tbl th{background:var(--bar);text-align:left;color:var(--muted);padding:13px 16px;font-size:15px;font-weight:500}.tbl td{border-top:1px solid var(--line);padding:13px 16px}.chips{flex-wrap:wrap;gap:10px;margin:12px 0;display:flex}.chip{border:1.5px solid var(--line);background:#fff;border-radius:999px;align-items:center;height:44px;padding:0 20px;font-weight:500;display:inline-flex}.chip[aria-current=true]{border-color:var(--ink);font-weight:700}.chip.sort[aria-current=true]{background:var(--ink);color:#fff}.plist li{border-bottom:1px solid var(--line)}.plist a{padding:18px 4px;display:block}.plist .pt{font-size:19px;font-weight:700}.plist .pm{color:var(--muted);margin:2px 0 8px;font-size:15px}.sub-h{margin:20px 0 16px;font-size:26px;line-height:1.3}.perks li{align-items:flex-start;gap:12px;padding:8px 0;font-size:17px;display:flex}.perks li:before{content:"";background:var(--accent);border-radius:50%;flex:none;width:16px;height:16px;margin-top:7px}.price{border:2px solid var(--accent);background:var(--accent-soft);text-align:center;border-radius:14px;margin:24px 0;padding:28px 16px}.price strong{font-size:34px;line-height:1.3;display:block}.price span{color:var(--accent-ink);font-weight:500}.btn{border:0;border-radius:12px;justify-content:center;align-items:center;width:100%;min-height:56px;margin:10px 0;font-size:17px;font-weight:700;display:flex}.btn.primary{background:var(--accent);color:#fff}.btn.outline{border:1.5px solid var(--ink);background:#fff}.btn[disabled]{opacity:.5;cursor:not-allowed}.linkbtn{color:var(--muted);text-underline-offset:3px;background:0 0;border:0;padding:12px;text-decoration:underline}.demo-note{color:var(--muted);text-align:center;margin-top:20px;font-size:13px}.form{flex-direction:column;gap:14px;margin-top:12px;display:flex}.field{flex-direction:column;gap:6px;font-size:15px;font-weight:500;display:flex}.field small{color:var(--muted);font-weight:400}.input{border:1px solid var(--line);width:100%;min-height:48px;font:inherit;background:#fff;border-radius:12px;padding:10px 14px}textarea.input{resize:vertical;min-height:96px}.check{align-items:center;gap:10px;font-size:15px;display:flex}.check input{width:18px;height:18px}.alert{color:#a12a2a;background:#fdecec;border-radius:12px;padding:12px 14px;font-size:15px}.alert.ok{color:#1f6b33;background:#eaf6ec}.account{border-top:1px solid var(--line);flex-direction:column;gap:6px;margin-top:40px;padding-top:20px;display:flex}.admin-row{border-bottom:1px solid var(--line);align-items:center;gap:12px;padding:14px 4px;display:flex}.admin-row .grow{flex:1;min-width:0}.admin-row .del{border:1px solid var(--line);color:#a12a2a;background:#fff;border-radius:8px;padding:6px 12px;font-size:14px}.admin-actions{grid-template-columns:1fr 1fr;gap:10px;margin:12px 0;display:grid}.paper-picks{border:1px solid var(--line);border-radius:12px;max-height:260px;padding:6px 12px;overflow:auto}@media (min-width:900px){main{padding:0 40px 64px}.app:has(.nav[data-top="1"]) main{padding-bottom:64px}.app{flex-direction:row}.nav,.nav[data-top="1"]{border-top:0;border-right:1px solid var(--line);flex-direction:column;flex:none;align-items:stretch;width:220px;height:100vh;padding:28px 12px;display:flex;position:sticky;top:0}.nav .brand{padding:0 14px 24px;display:block}.nav a{border-top:0;border-radius:10px;flex:none;justify-content:flex-start;height:auto;margin:2px 0;padding:11px 14px}.nav a:hover{background:var(--bar)}.nav a[aria-current=page]{background:var(--accent-soft)}.tiles{grid-template-columns:repeat(4,1fr)}.hdr{padding-top:24px}}@media (min-width:1180px){.page.wide{max-width:920px}.chapter-grid{grid-template-columns:minmax(0,1fr) 320px;grid-template-areas:"main papers"}.chapter-papers{align-self:start;margin-top:28px;position:sticky;top:96px}}.rp{--cau-bg:#fff8e6;--cau-line:#f3d58a;--cau-ink:#8a5a00;--surface:#faf8f6;--fg:#1f1b18;--body:#3d3731;--rline:#ece6e0;--pill-bg:#fff4ea;--pill-line:#fdba74;--link:#2563eb;max-width:560px;color:var(--body);word-break:keep-all;overflow-wrap:anywhere;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;margin:0 auto;padding-bottom:24px;font-size:15px;line-height:1.7}.rp .badge{color:var(--accent-ink);background:var(--pill-bg);border:1px solid var(--pill-line);border-radius:99px;padding:2px 11px;font-size:12px;font-weight:700;display:inline-block}.rp h1{color:var(--fg);text-wrap:balance;margin:10px 0 14px;font-size:22px;line-height:1.35}.rp .chips{flex-wrap:wrap;gap:6px;margin:12px 0 0;display:flex}.rp .chips span{color:var(--fg);background:var(--surface);border:1px solid var(--rline);border-radius:6px;padding:2px 9px;font-size:12px;font-weight:700}.rp .lead{color:var(--fg);text-wrap:balance;margin:16px 0 12px;font-size:16px;font-weight:500;line-height:1.6}.rp .lead b{color:var(--accent-ink)}.rp .kp{grid-template-columns:1fr 1fr;gap:8px;display:grid}.rp .kp div{background:var(--surface);border:1px solid var(--rline);border-radius:12px;min-width:0;padding:12px}.rp .kp small{color:var(--muted);font-size:11.5px;line-height:1.4;display:block}.rp .kp strong{color:var(--fg);font-variant-numeric:tabular-nums;margin-top:4px;font-size:20px;line-height:1.25;display:block}.rp .kp strong i{color:var(--accent-ink);font-style:normal}.rp .kp span{color:var(--muted);margin-top:2px;font-size:11.5px;display:block}.rp .cap{color:var(--muted);margin:10px 0 0;font-size:12.5px;font-style:italic}.rp .s{margin-top:26px}.rp .h2{color:var(--fg);margin:0 0 10px;font-size:17px;display:block}.rp .dts{gap:8px;margin-top:26px;display:grid}.rp .dt{border:1px solid var(--rline);background:#fff;border-radius:12px}.rp .dt summary{cursor:pointer;color:var(--fg);justify-content:space-between;align-items:center;gap:10px;padding:13px 14px;font-size:14.5px;font-weight:700;list-style:none;display:flex}.rp .dt summary::-webkit-details-marker{display:none}.rp .dt summary:after{content:"+";color:var(--accent-ink);flex:none;font-size:18px;line-height:1}.rp .dt[open] summary:after{content:"−"}.rp .dt .db{padding:0 14px 14px}.rp .dt .db>:first-child{margin-top:0}.rp dl{gap:12px;margin:0;display:grid}.rp dt{color:var(--fg);font-size:14px;font-weight:700}.rp dd{margin:0;font-size:14px}.rp .bib{border:1px solid var(--rline);border-radius:12px;gap:8px;min-width:0;padding:14px;display:grid}.rp .bib .t{color:var(--fg);margin:0;font-size:16px;font-weight:700;line-height:1.45}.rp .bib .i{margin:0;font-size:12.5px}.rp .muted{color:var(--muted);font-size:12.5px}.rp .steps{gap:10px;margin:8px 0;display:grid}.rp .step{border:1px solid var(--rline);border-radius:12px;padding:12px 14px}.rp figure{gap:6px;margin:12px 0;display:grid}.rp figure .im{border:1px solid var(--rline);cursor:zoom-in;background:#fff;border-radius:12px;padding:6px}.rp figure img{border-radius:8px;width:100%;height:auto;display:block}.rp figcaption{color:var(--muted);font-size:12px;line-height:1.55}.rp .tw{border:1px solid var(--rline);border-radius:12px;overflow-x:auto}.rp table{border-collapse:collapse;width:100%;font-size:13px;line-height:1.5}.rp th,.rp td{text-align:left;border-bottom:1px solid var(--rline);vertical-align:top;padding:8px 10px}.rp th{background:var(--surface);color:var(--fg);font-size:12.5px}.rp tr:last-child td{border-bottom:0}.rp td:first-child{color:var(--fg);white-space:nowrap;font-weight:700}.rp .num{font-variant-numeric:tabular-nums;white-space:nowrap}.rp .caution{background:var(--cau-bg);border:1px solid var(--cau-line);border-radius:12px;padding:14px}.rp .caution .h2{color:var(--cau-ink);margin-bottom:8px}.lb{z-index:40;background:#000000e0;justify-content:center;align-items:center;padding:12px;display:none;position:fixed;inset:0;overflow:auto}.lb.on{display:flex}.lb img{background:#fff;border-radius:8px;width:min(1000px,200%);max-width:none}@media print{.rp{display:none}}.logo{width:140px;height:auto;display:block}.m-logo{justify-content:center;padding:18px 0 4px;display:flex}.m-logo .logo{width:120px}@media (min-width:900px){.m-logo{display:none}}
