:root{color:#25313b;font-synthesis:none;text-rendering:optimizelegibility;--ink:#25313b;--muted:#68747e;--green:#285e50;--green-dark:#1f493f;--green-pale:#e7f0ec;--blue:#1768a6;--blue-pale:#edf5fb;--followup:#1768a6;--followup-dark:#105381;--followup-pale:#edf5fb;--answer:#b65335;--answer-dark:#864029;--answer-pale:#fff2ed;--yellow:#f2b844;--yellow-dark:#d69a28;--best:#b95f3c;--best-pale:#fff8e9;--paper:#fff;--cream:#f7f4ec;--line:#d8dde0;--line-dark:#bcc5ca;background:#f4f5f3;font-family:-apple-system,BlinkMacSystemFont,Noto Sans JP,Yu Gothic UI,Yu Gothic,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:#f4f5f3;min-width:320px;min-height:100vh;margin:0}button,input,textarea,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline-offset:2px;outline:3px solid #1768a64d}.community-app{min-height:100vh;font-size:15px}.sr-only{clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important;width:1px!important;height:1px!important;margin:-1px!important;padding:0!important;position:absolute!important;overflow:hidden!important}.content-shell{width:min(1160px,100% - 40px);margin:0 auto}.professional-bar{color:#dbe8e3;background:#203d35;justify-content:space-between;align-items:center;height:34px;padding:0 max(20px,50vw - 580px);font-size:11px;display:flex}.professional-bar div,.professional-bar a{align-items:center;gap:7px;display:flex}.professional-bar a{color:#fff;text-decoration:none}.professional-bar a:hover{text-decoration:underline}.site-header{border-bottom:1px solid var(--line);z-index:30;background:#fff;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;height:78px;padding:0 max(20px,50vw - 580px);display:grid;position:sticky;top:0}.brand{cursor:pointer;text-align:left;background:0 0;border:0;justify-self:start;align-items:center;gap:12px;padding:0;display:flex}.brand-mark{background:var(--green);color:#fff;border-left:6px solid var(--green-dark);border-radius:3px 8px 8px 3px;place-items:center;width:44px;height:48px;font-size:24px;display:grid;box-shadow:3px 4px #d9e4df}.brand>span:last-child{gap:1px;display:grid}.brand strong{letter-spacing:.08em;color:#203b33;font-family:Yu Mincho,Hiragino Mincho ProN,serif;font-size:25px}.brand small{color:#687c72;letter-spacing:.12em;font-size:12px;font-weight:600}.main-nav{align-self:stretch;gap:8px;display:flex}.main-nav button{color:#59666f;cursor:pointer;background:0 0;border:0;border-bottom:3px solid #0000;padding:3px 16px 0;font-size:13px;font-weight:600}.main-nav button:hover,.main-nav button.active{color:var(--green)}.main-nav button.active{border-bottom-color:var(--green)}.header-actions{justify-self:end;align-items:center;gap:10px;display:flex}.ask-button,.mobile-ask{background:var(--yellow);color:#352b17;cursor:pointer;border:1px solid #d79d2c;border-radius:5px;justify-content:center;align-items:center;gap:7px;min-height:42px;padding:0 18px;font-weight:700;display:inline-flex;box-shadow:inset 0 1px #ffffff80}.ask-button:hover,.mobile-ask:hover{background:#f6c45f}.ask-label-short,.sort-label-short{display:none}.login-button{min-height:42px;color:var(--green);cursor:pointer;background:#fff;border:1px solid #bfc9c4;border-radius:5px;align-items:center;gap:7px;padding:0 14px;font-weight:600;display:inline-flex}.avatar-button{cursor:pointer;background:0 0;border:0;padding:0}.avatar-button span,.profile-avatar{color:#fff;background:#476f61;border-radius:50%;place-items:center;width:40px;height:40px;font-weight:700;display:grid}.user-avatar{flex:none;overflow:hidden}.user-avatar img{object-fit:cover;width:100%;height:100%;display:block}.profile-menu-wrap{position:relative}.profile-popover{border:1px solid var(--line);background:#fff;border-radius:7px;width:250px;padding:10px;position:absolute;top:52px;right:0;box-shadow:0 14px 35px #192c2429}.profile-popover-head{border-bottom:1px solid var(--line);gap:10px;margin-bottom:5px;padding:8px 7px 14px;display:flex}.profile-popover-head div{gap:3px;display:grid}.profile-popover-head small{color:var(--muted)}.profile-popover button{cursor:pointer;text-align:left;background:0 0;border:0;border-radius:4px;align-items:center;gap:8px;width:100%;padding:10px;display:flex}.profile-popover button:hover{background:#f2f5f3}.notification-menu-wrap{position:relative}.notification-button{width:40px;height:40px;color:var(--green);cursor:pointer;background:#fff;border:1px solid #c8d1cd;border-radius:50%;place-items:center;font-size:18px;display:grid;position:relative}.notification-button:hover{background:#f2f6f4}.notification-button>b{color:#fff;background:#b54d3f;border:2px solid #fff;border-radius:10px;place-items:center;min-width:18px;height:18px;padding:0 4px;font-size:9px;display:grid;position:absolute;top:-5px;right:-4px}.notification-popover{z-index:70;border:1px solid var(--line);background:#fff;border-radius:7px;width:min(360px,100vw - 24px);position:absolute;top:52px;right:-48px;overflow:hidden;box-shadow:0 14px 35px #192c242e}.notification-popover-head{border-bottom:1px solid var(--line);background:#f6f8f7;justify-content:space-between;align-items:baseline;padding:13px 15px;display:flex}.notification-popover-head strong{color:#30483f;font-family:Yu Mincho,serif}.notification-popover-head small{color:var(--muted)}.notification-list{max-height:370px;overflow-y:auto}.notification-list>button{text-align:left;cursor:pointer;background:#fff;border:0;border-top:1px solid #edf0ee;grid-template-columns:32px minmax(0,1fr) 15px;align-items:center;gap:10px;width:100%;padding:12px 14px;display:grid}.notification-list>button:first-child{border-top:0}.notification-list>button:hover:not(:disabled){background:#f3f7f5}.notification-list>button:disabled{cursor:default}.notification-list>button>span:nth-child(2){gap:4px;min-width:0;display:grid}.notification-list b{color:var(--ink);text-overflow:ellipsis;white-space:nowrap;font-size:12px;overflow:hidden}.notification-list small{color:var(--muted);font-size:10px}.notification-kind{width:30px;height:30px;color:var(--green);background:#e5f0eb;border-radius:50%;place-items:center;display:grid}.notification-kind.reaction,.notification-kind.topicLike{color:#b34e42;background:#fff0ed}.notification-kind.answer{color:#8a641c;background:#fff4d9}.notification-empty{color:var(--muted);text-align:center;margin:0;padding:28px 15px;font-size:12px}.service-intro{background:var(--cream);border-bottom:1px solid #e0ddd4}.intro-inner{grid-template-columns:1fr auto;align-items:center;gap:60px;min-height:245px;padding-top:35px;padding-bottom:35px;display:grid}.intro-label,.section-heading span,.page-intro>span{color:var(--green);letter-spacing:.17em;font-size:10px;font-weight:800}.intro-inner .service-title{color:#233d35;letter-spacing:.08em;margin:10px 0 5px;font-family:Yu Mincho,Hiragino Mincho ProN,serif;font-size:clamp(48px,5.4vw,70px);line-height:1.08}.intro-inner .service-subtitle{color:var(--green);letter-spacing:.18em;margin:0 0 19px;font-size:18px;font-weight:700;line-height:1.5}.intro-inner .intro-message{color:#31463e;letter-spacing:.03em;margin:0 0 10px;font-family:Yu Mincho,Hiragino Mincho ProN,serif;font-size:20px;line-height:1.55}.intro-inner p:not(.service-subtitle){color:#5c6963;margin:0;font-size:15px;line-height:1.9}.service-counts{background:#ffffff94;border:1px solid #d4d6ce;grid-template-columns:repeat(3,105px);margin:0;display:grid}.service-counts div{text-align:center;border-left:1px solid #d4d6ce;padding:17px 12px}.service-counts div:first-child{border-left:0}.service-counts dt{color:var(--muted);font-size:10px}.service-counts dd{color:var(--green);margin:8px 0 0;font-family:Georgia,serif;font-size:28px;font-weight:700}.service-counts small{margin-left:3px;font-family:sans-serif;font-size:9px}.filter-select{color:#4f6058;background:#f8faf9;border:1px solid #adb8bd;border-radius:4px;align-items:center;gap:8px;min-width:170px;min-height:42px;padding:0 11px;font-size:12px;font-weight:700;display:flex}.filter-select select{min-width:0;color:var(--ink);cursor:pointer;background:0 0;border:0;outline:0;flex:1}.filter-reset{color:#50635a;cursor:pointer;background:#fff;border:1px solid #aeb8b3;border-radius:4px;min-height:42px;padding:0 13px;font-size:12px;font-weight:700}.filter-reset:hover{background:#f1f5f2}.search-box{color:#77858d;background:#fff;border:1px solid #adb8bd;border-radius:4px;flex:1;align-items:center;max-width:none;min-height:46px;padding-left:13px;display:flex;overflow:hidden}.search-box input{min-width:0;color:var(--ink);border:0;outline:0;flex:1;padding:0 12px;font-size:14px}.search-box button{background:var(--green);color:#fff;cursor:pointer;border:0;border-left:1px solid #d2d7da;align-self:stretch;width:78px;font-weight:700}.mobile-ask{display:none}.topics-layout{grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:28px;padding-top:34px;padding-bottom:70px;display:grid}.topic-main{min-width:0}.section-heading{justify-content:space-between;align-items:end;margin-bottom:14px;display:flex}.section-heading h2{color:#263b34;margin:5px 0 0;font-family:Yu Mincho,Hiragino Mincho ProN,serif;font-size:26px}.section-heading>b{color:#7a858b;font-size:12px;font-weight:500}.topics-heading{grid-template-columns:auto minmax(260px,1fr) auto;align-items:end;gap:18px;display:grid}.topic-search-tools{grid-template-columns:minmax(0,1fr) auto;align-items:stretch;gap:7px;min-width:0;display:grid}.topics-heading .search-box{min-height:42px}.filter-menu{position:relative}.filter-toggle{color:#4f6058;white-space:nowrap;cursor:pointer;background:#fff;border:1px solid #adb8bd;border-radius:4px;align-items:center;gap:5px;height:42px;padding:0 11px;font-size:12px;font-weight:700;display:flex}.filter-toggle svg{width:13px;transition:transform .15s}.filter-toggle[aria-expanded=true] svg{transform:rotate(90deg)}.filter-toggle b{background:var(--green);color:#fff;text-align:center;border-radius:9px;min-width:18px;padding:1px 5px;font-size:9px}.filter-toggle.active{border-color:var(--green);color:var(--green);background:var(--green-pale)}.filter-popover{z-index:30;background:#fff;border:1px solid #b8c6bf;border-radius:5px;gap:8px;width:320px;padding:12px;display:grid;position:absolute;top:calc(100% + 7px);right:0;box-shadow:0 10px 28px #1f372d2e}.filter-popover .filter-select{width:100%;min-width:0}.filter-popover-actions{justify-content:flex-end;gap:7px;padding-top:3px;display:flex}.filter-popover-actions button{color:#4f6058;cursor:pointer;background:#fff;border:1px solid #bdc8c3;border-radius:3px;min-height:32px;padding:0 10px;font-size:11px}.filter-popover-actions .filter-reset{margin-right:auto}.list-controls{border:1px solid var(--line);border-bottom:2px solid var(--green);background:#eef1ef;gap:3px;padding:7px 8px 0;display:flex}.list-controls button{color:#65727a;cursor:pointer;background:0 0;border:1px solid #0000;border-bottom:0;border-radius:4px 4px 0 0;justify-content:center;align-items:center;gap:6px;padding:9px 17px;font-size:12px;display:inline-flex}.list-controls button svg{width:14px;height:14px}.list-controls button.active{border-color:var(--line);color:var(--green);background:#fff;margin-bottom:-2px;padding-bottom:11px;font-weight:700}.topic-list{border-left:1px solid var(--line);border-right:1px solid var(--line)}.topic-card{border-bottom:1px solid var(--line);background:#fff;min-height:152px}.topic-card.has-best-answer{grid-template-columns:minmax(0,1fr) 205px;display:grid}.topic-card:hover{background:#fcfdfd}.topic-numbers{color:#66766f;align-items:center;gap:9px;display:inline-flex}.topic-numbers span{white-space:nowrap;align-items:center;gap:3px;display:inline-flex}.topic-numbers b{color:#3c5b50;font-family:Georgia,serif;font-size:11px}.topic-numbers svg{width:13px;height:13px;display:block}.topic-numbers span:first-child b,.topic-numbers span:first-child svg{color:var(--answer)}.topic-numbers span:nth-child(2) b,.topic-numbers span:nth-child(2) svg{color:var(--followup)}.topic-summary{text-align:left;cursor:pointer;background:0 0;border:0;width:100%;min-width:0;padding:20px 22px}.topic-meta{color:#7c878d;flex-wrap:wrap;align-items:center;gap:7px;font-size:9px;display:flex}.status{color:#996815;background:#fff7e6;border:1px solid #dda644;border-radius:3px;padding:3px 6px;font-size:9px;font-weight:700}.status.solved{color:var(--green);background:#eaf4ef;border-color:#8cb4a3}.topic-summary h3{color:var(--blue);margin:7px 0 6px;font-size:17px;line-height:1.45;text-decoration:none}.topic-summary:hover h3{text-decoration:underline}.topic-summary>p{color:#52606a;-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;font-size:11px;line-height:1.7;display:-webkit-box;overflow:hidden}.topic-bottom{justify-content:space-between;align-items:end;gap:10px;margin-top:11px;display:flex}.topic-bottom>small{color:#879198;white-space:nowrap;font-size:8px}.topic-labels{flex-wrap:wrap;align-items:center;gap:7px 10px;min-width:0;display:flex}.tag-row{flex-wrap:wrap;gap:5px;display:flex}.tag-row span{color:#3d6b5c;background:var(--green-pale);border-radius:2px;padding:3px 7px;font-size:9px}.topic-best-book{min-width:0;color:inherit;background:#fbf8ef;border-left:1px solid #e1e5e3;grid-template-columns:56px minmax(0,1fr);align-items:center;gap:10px;padding:15px 13px;text-decoration:none;display:grid}.topic-best-book:hover{background:#f7f1df}.topic-best-cover{color:#8c7b4b;background:#eee9dc;border:1px solid #d8d1bd;border-radius:2px;place-items:center;width:56px;height:78px;display:grid;position:relative;overflow:hidden}.topic-best-cover>svg{width:22px;height:22px}.topic-best-cover img{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}.topic-best-copy{align-content:center;gap:5px;min-width:0;display:grid}.topic-best-copy small{color:#987019;font-size:9px;font-weight:800}.topic-best-copy b{color:#354840;-webkit-line-clamp:3;-webkit-box-orient:vertical;font-family:Yu Mincho,Hiragino Mincho ProN,serif;font-size:12px;line-height:1.5;display:-webkit-box;overflow:hidden}.topic-best-copy em{color:var(--blue);align-items:center;gap:4px;font-size:9px;font-style:normal;font-weight:700;display:inline-flex}.topic-best-copy em svg{width:11px;height:11px}.empty-state{text-align:center;color:var(--muted);background:#fff;padding:60px 20px}.empty-state svg{font-size:28px}.empty-state h3{color:var(--ink)}aside{gap:14px;display:grid}.aside-ask{background:var(--yellow);cursor:pointer;text-align:left;border:1px solid #d49a27;border-radius:5px;grid-template-columns:28px 1fr 18px;align-items:center;gap:7px;width:100%;min-height:64px;padding:11px 15px;display:grid}.aside-ask>svg:first-child{font-size:23px}.aside-ask span{gap:3px;display:grid}.aside-ask b{font-size:13px}.aside-ask small{color:#655328;font-size:9px}.aside-card{border:1px solid var(--line);background:#fff;border-radius:4px;padding:17px}.aside-card h3{color:#33483f;align-items:center;gap:7px;margin:0;font-size:13px;display:flex}.learning-card ul{margin:14px 0 0;padding:0;list-style:none}.learning-card li{border-top:1px solid #e8ebea;grid-template-columns:65px 1fr;gap:7px;padding:9px 0;display:grid}.learning-card b{color:var(--green);font-size:10px}.learning-card span{color:var(--muted);font-size:9px}.aside-title{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.aside-title>span{color:#829089;font-size:8px}.mini-ranker{border-top:1px solid #ebedec;grid-template-columns:19px 30px 1fr auto;align-items:center;gap:8px;min-height:48px;display:grid}.mini-ranker>b{color:#8a9690;text-align:center;font-family:Georgia,serif}.mini-avatar{color:#fff;background:#567a6d;border-radius:50%;place-items:center;width:28px;height:28px;font-size:10px;display:grid}.mini-ranker div{min-width:0;display:grid}.mini-ranker strong{white-space:nowrap;text-overflow:ellipsis;font-size:10px;overflow:hidden}.mini-ranker small{color:#7d8982;white-space:nowrap;text-overflow:ellipsis;font-size:7px;overflow:hidden}.mini-ranker em{color:var(--green);font-size:9px;font-style:normal;font-weight:700}.exam-card{background:var(--cream);gap:12px;display:flex}.exam-card>svg{color:var(--best);font-size:25px}.exam-card div{gap:5px;display:grid}.exam-card p{color:var(--muted);margin:0;font-size:9px;line-height:1.6}.exam-card a{color:var(--blue);align-items:center;gap:4px;font-size:9px;display:flex}.detail-page{padding-top:22px;padding-bottom:80px}.detail-breadcrumb{color:#7d898f;align-items:center;gap:8px;margin:6px 0 18px;font-size:10px;display:flex}.detail-breadcrumb button{color:var(--blue);cursor:pointer;background:0 0;border:0;align-items:center;gap:5px;padding:5px 0;display:flex}.detail-layout{grid-template-columns:minmax(0,810px) 280px;align-items:start;gap:26px;display:grid}.detail-main{min-width:0}.question-panel{border:1px solid var(--line-dark);border-top:4px solid var(--blue);background:#fff;padding:29px 31px 24px 75px;position:relative}.post-symbol{background:var(--blue);color:#fff;border-radius:50%;place-items:center;width:36px;height:36px;font-family:Georgia,serif;font-size:20px;font-weight:700;display:grid;position:absolute;top:27px;left:24px}.question-kicker{color:#7c888e;align-items:center;gap:3px;font-size:9px;display:flex}.question-kicker b,.question-kicker button{color:var(--green);font:inherit;font-weight:800}.question-kicker button{cursor:pointer;background:0 0;border:0;padding:0}.question-kicker button:hover{color:var(--blue);text-decoration:underline}.question-content h1{color:#263b45;margin:13px 0 15px;font-family:Yu Mincho,Hiragino Mincho ProN,serif;font-size:clamp(24px,3.4vw,33px);line-height:1.45}.question-content>p{color:#45545e;white-space:pre-wrap;margin:0 0 15px;font-size:14px;line-height:1.95}.author-line{align-items:center;gap:9px;margin-top:17px;display:flex}.author-line>span{color:#fff;background:#5b7c70;border-radius:50%;place-items:center;width:34px;height:34px;font-size:11px;font-weight:700;display:grid}.author-line div{gap:2px;display:grid}.author-line small{color:#7c878d;font-size:8px}.resolve-button{color:var(--green);cursor:pointer;background:#f0f7f3;border:1px solid #99b9aa;border-radius:4px;align-items:center;gap:5px;padding:7px 10px;font-size:9px;display:flex;position:absolute;bottom:24px;right:22px}.best-answer-section{background:var(--best-pale);border:2px solid #d5a34b;margin-top:22px;padding:0 14px 14px;position:relative}.best-heading{justify-content:space-between;align-items:center;gap:10px;min-height:46px;display:flex}.best-heading span{color:#855518;align-items:center;gap:7px;font-family:Yu Mincho,Hiragino Mincho ProN,serif;font-size:17px;font-weight:700;display:flex}.best-heading small{color:#8d7654;font-size:8px}.waiting-answer{color:#748189;background:#fff;border:1px dashed #acb7bc;align-items:center;gap:13px;margin-top:22px;padding:22px;display:flex}.waiting-answer svg{font-size:28px}.waiting-answer div{gap:4px;display:grid}.waiting-answer b{color:var(--ink);font-size:12px}.answer-card{border:1px solid #e2c9c0;border-left:4px solid var(--answer);background:#fffdfc;margin-top:12px;padding:22px 24px 17px}.answer-card.best{border-color:#e2c685 #e2c685 #e2c685 #d5a34b;margin:0;box-shadow:0 3px 10px #674c1814}.answer-top{align-items:center;gap:10px;display:flex}.answer-mark{background:var(--answer);color:#fff;border-radius:50%;place-items:center;width:36px;height:36px;font-family:Georgia,serif;font-size:19px;font-weight:700;display:grid}.answer-top .author-line{margin:0}.answer-top .author-line>span{display:none}.thanks-stamp{color:#99681b;background:#fff4d3;border:1px solid #e6ca86;border-radius:3px;align-items:center;gap:4px;margin-left:auto;padding:5px 7px;font-size:8px;display:flex}.book-block{background:#f7f4ec;border-left:5px solid #7f5540;align-items:center;gap:14px;margin:17px 0 14px;padding:14px 16px;display:flex}.book-block>svg{color:#7f5540;font-size:28px}.book-block div{gap:2px;display:grid}.book-block small{color:#8b765f;font-size:8px}.book-block h3{margin:0;font-family:Yu Mincho,Hiragino Mincho ProN,serif;font-size:18px}.book-block p{color:#6f7472;margin:0;font-size:9px}.selection-reason>b{border-left:3px solid var(--answer);color:var(--answer-dark);padding-left:8px;font-size:10px;display:inline-block}.selection-reason p{color:#44525b;white-space:pre-wrap;margin:8px 0 14px;font-size:13px;line-height:1.9}.tree-section{margin-top:30px}.tree-heading{border-bottom:2px solid #596f66;padding:0 3px 11px}.tree-heading>div{align-items:center;gap:8px;display:flex}.tree-icon{background:var(--blue);color:#fff;border-radius:50%;place-items:center;width:29px;height:29px;font-family:Georgia,serif;font-size:15px;font-weight:700;display:grid}.tree-icon.answer{background:var(--best)}.tree-heading h2{margin:0;font-family:Yu Mincho,Hiragino Mincho ProN,serif;font-size:19px}.tree-heading b{color:#596962;background:#eef1ef;border-radius:10px;padding:2px 7px;font-size:9px}.tree-heading p{color:#758188;margin:5px 0 0 38px;font-size:9px}.tree-node{margin-top:14px;padding-left:34px;position:relative}.node-line{border-left:2px solid #b9d3e4;position:absolute;top:0;bottom:-14px;left:13px}.node-line:before{content:"";border-top:2px solid #b9d3e4;width:21px;position:absolute;top:27px;left:-2px}.node-card{border:1px solid #c9dae6;border-left:4px solid var(--followup);background:#fbfdff;padding:19px 21px 14px;position:relative}.node-badge{color:var(--followup-dark);background:var(--followup-pale);border-radius:3px;padding:4px 7px;font-size:8px;position:absolute;top:15px;right:16px}.node-card .author-line{margin-top:0}.node-card>p{color:#45545d;margin:15px 0;font-size:13px;line-height:1.9}.questioner-branch{grid-template-columns:22px 1fr;margin:16px 0 13px 30px;display:grid;position:relative}.branch-line{border-bottom:2px solid #c1d2c8;border-left:2px solid #c1d2c8;border-radius:0 0 0 8px;height:34px}.questioner-branch>div{background:#edf5f0;border:1px solid #c8dbd0;padding:12px 14px}.questioner-branch b{color:var(--green);font-size:9px}.questioner-branch p{color:#44534b;margin:5px 0;font-size:12px;line-height:1.75}.questioner-branch small{color:#7f8984;font-size:8px}.reply-start{color:var(--green);cursor:pointer;background:#fff;border:1px solid #9ab9aa;border-radius:3px;padding:7px 10px;font-size:9px}.inline-reply textarea{resize:vertical;border:1px solid #abb8b1;border-radius:3px;width:100%;min-height:85px;padding:10px}.inline-reply div{justify-content:flex-end;gap:7px;margin-top:7px;display:flex}.inline-reply button{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:3px;padding:7px 11px;font-size:9px}.inline-reply button[type=submit]{background:var(--green);color:#fff;border-color:var(--green)}.reaction-bar{border-top:1px solid #e6e9e7;flex-wrap:wrap;gap:8px;margin-top:13px;padding-top:12px;display:flex}.reaction-bar button{color:#596870;cursor:pointer;background:#fff;border:1px solid #cbd2d5;border-radius:4px;align-items:center;gap:5px;min-height:36px;padding:0 11px;font-size:12px;display:flex}.reaction-bar button:hover:not(:disabled),.reaction-bar button.reacted{color:#a33d52;background:#fff4f6;border-color:#dc9da8}.reaction-bar button.thanked{color:#8b5b0f;background:#fff7dc;border-color:#dfc16e}.reaction-bar button:disabled{cursor:default;opacity:.7}.contribution-reaction-row{border-top:1px solid #e6e9e7;flex-wrap:wrap;align-items:center;gap:8px;margin-top:13px;padding-top:12px;display:flex}.contribution-reaction-row .reaction-bar{border-top:0;flex:auto;margin:0;padding:0}.contribution-reaction-row .share-card{flex:none;margin:0}.tree-empty{color:#738088;background:#fff;border:1px dashed #bcc5c9;align-items:center;gap:10px;min-height:78px;margin-top:12px;padding:20px;font-size:10px;display:flex}.tree-empty svg{font-size:22px}.contribution-form{border:1px solid var(--line-dark);border-top:4px solid var(--followup);background:#fff;margin-top:34px;padding:26px;transition:border-color .15s,background-color .15s}.form-heading{align-items:center;gap:11px;display:flex}.form-heading>svg{background:var(--followup);color:#fff;border-radius:50%;width:38px;height:38px;padding:9px}.form-heading h2{margin:0;font-family:Yu Mincho,Hiragino Mincho ProN,serif;font-size:19px}.form-heading p{color:var(--muted);margin:3px 0 0;font-size:9px}.contribution-form.answer-mode{border-top-color:var(--answer);background:#fffdfc}.contribution-form.answer-mode .form-heading>svg{background:var(--answer)}.contribution-form.followup-mode .form-submit-row button{border-color:var(--followup-dark);background:var(--followup)}.contribution-form.answer-mode .form-submit-row button{border-color:var(--answer-dark);background:var(--answer)}.kind-picker{grid-template-columns:1fr 1fr;gap:9px;margin:20px 0 15px;display:grid}.kind-picker button{border:1px solid #b9d3e4;border-left:4px solid var(--followup);background:var(--followup-pale);text-align:left;color:var(--followup-dark);cursor:pointer;border-radius:4px;align-items:center;gap:10px;padding:12px 14px 12px 11px;display:flex}.kind-picker button:nth-child(2){border-color:#e1c4b9;border-left-color:var(--answer);background:var(--answer-pale);color:var(--answer-dark)}.kind-picker button>span{background:var(--followup);color:#fff;border-radius:50%;place-items:center;width:30px;height:30px;font-family:Georgia,serif;font-weight:700;display:grid}.kind-picker button:nth-child(2)>span{background:var(--answer)}.kind-picker button>div{gap:2px;display:grid}.kind-picker button small{color:#758189;font-size:8px}.kind-picker button.active{border:2px solid var(--followup);background:#e3f1fa;border-left-width:5px;padding:11px 13px 11px 10px;box-shadow:0 0 0 2px #1768a61a}.kind-picker button.active>span{background:var(--followup)}.kind-picker button.active.answer{border-color:var(--answer);background:#ffe8df;box-shadow:0 0 0 2px #b653351a}.kind-picker button.active.answer>span{background:var(--answer)}.contribution-form label,.modal-form label{color:#46555e;gap:6px;margin-top:13px;font-size:10px;font-weight:700;display:grid;position:relative}.contribution-form label>b,.modal-form label>b{color:#a84335;font-size:8px}.contribution-form label>span,.modal-form label>span{color:#808c92;font-size:8px;font-weight:400}.contribution-form input,.contribution-form textarea,.modal-form input,.modal-form textarea,.modal-form select{width:100%;color:var(--ink);background:#fff;border:1px solid #aeb9be;border-radius:3px;padding:11px 12px;font-size:12px}.modal-form select{min-height:43px}.contribution-form textarea{resize:vertical;min-height:120px}.two-fields{grid-template-columns:1.2fr 1fr;gap:12px;display:grid}.form-submit-row{justify-content:space-between;align-items:center;margin-top:17px;display:flex}.form-submit-row p{color:#758189;align-items:center;gap:5px;font-size:9px;display:flex}.form-submit-row>button:only-child{margin-left:auto}.form-submit-row button,.guide-ask{border:1px solid var(--green-dark);background:var(--green);color:#fff;cursor:pointer;border-radius:4px;align-items:center;gap:6px;min-height:41px;padding:0 17px;font-weight:700;display:flex}.field-label-row{align-items:baseline;gap:6px;color:#46555e!important;font-size:inherit!important;font-weight:700!important;display:flex!important}.field-label-row>b{color:#b42318;font-size:11px}.field-label-row>em{color:#808c92;font-size:11px;font-style:normal;font-weight:400}.guest-benefits-note{color:#66746d;flex-wrap:wrap;align-items:center;gap:5px;width:100%;margin-top:10px;font-size:11px;line-height:1.6;display:flex}.guest-benefits-note b{color:#52645c;background:#f7f9f8;border:1px solid #d5ddd9;border-radius:12px;align-items:center;gap:4px;min-height:24px;padding:3px 7px;font-size:10px;font-weight:700;display:inline-flex}.guest-benefits-note b svg{width:12px;height:12px;color:var(--green)}.guest-benefits-note small{color:inherit;font-size:inherit}.book-lookup{background:#f8faf9;border:1px solid #c8d2ce;border-radius:5px;margin:16px 0 18px;padding:16px}.book-search-heading{justify-content:space-between;align-items:center;gap:12px;display:flex}.book-search-heading>div{align-items:center;gap:9px;display:flex}.book-search-heading>div>svg{color:var(--green);font-size:20px}.book-search-heading span{gap:2px;display:grid}.book-search-heading b{font-size:14px}.book-search-heading small{color:var(--muted);font-size:12px;font-weight:400}.book-search-heading>em{color:#64746d;background:#e8efec;border-radius:3px;padding:3px 7px;font-size:11px;font-style:normal}.book-search-row{grid-template-columns:185px minmax(0,1fr);gap:8px;margin-top:12px;display:grid;position:relative}.contribution-form .book-search-row label{margin:0;display:block}.book-search-row select,.book-search-row input{width:100%;height:45px;color:var(--ink);background:#fff;border:1px solid #9fada7;border-radius:4px;padding:0 11px;font-size:14px}.book-search-input{position:relative}.book-search-input>svg{color:#73827b;position:absolute;top:14px;right:13px}.book-search-input input{padding-right:38px}.book-search-spinner{animation:.8s linear infinite book-spin}@keyframes book-spin{to{transform:rotate(360deg)}}.book-suggestions{z-index:12;background:#fff;border:1px solid #9fada7;border-radius:4px;max-height:330px;position:absolute;top:50px;left:193px;right:0;overflow-y:auto;box-shadow:0 12px 26px #182a222e}.book-suggestions button{text-align:left;cursor:pointer;background:#fff;border:0;border-top:1px solid #e4e8e6;grid-template-columns:28px 1fr auto;align-items:center;gap:9px;width:100%;padding:11px 12px;display:grid}.book-suggestions button:first-child{border-top:0}.book-suggestions button:hover{background:#edf5f1}.book-suggestions button>svg{color:#7f5540;font-size:20px}.book-suggestions button>span{gap:3px;display:grid}.book-suggestions b{color:#283b34;font-size:13px}.book-suggestions small{color:#6c7872;font-size:11px}.book-suggestions em{color:var(--green);background:var(--green-pale);padding:3px 6px;font-size:10px;font-style:normal}.book-detail-fields{grid-template-columns:1fr 1fr;gap:0 12px;display:grid}.book-detail-fields .book-url-field{grid-column:1/-1}.book-link-preview{color:#65726c;align-items:center;gap:7px;margin-top:12px;font-size:12px;display:flex}.book-link-preview>svg{color:var(--green)}.book-link-preview a{color:var(--blue);align-items:center;gap:4px;margin-left:auto;display:flex}.book-block .book-meta{flex-wrap:wrap;align-items:center;gap:7px;margin-top:7px;display:flex}.book-meta span{color:#596761;background:#ebe8df;border-radius:3px;padding:3px 6px;font-size:11px}.book-meta a{color:var(--blue);align-items:center;gap:4px;font-size:12px;display:inline-flex}.book-suggestions button{grid-template-columns:46px minmax(0,1fr) auto}.suggestion-cover{color:#7f5540;background:#f1eee6;border:1px solid #ddd8cb;place-items:center;width:40px;height:54px;display:grid;overflow:hidden}.suggestion-cover img{object-fit:cover;width:100%;height:100%}.suggestion-cover svg{font-size:21px}.book-link-preview{background:#fffdf7;border:1px solid #ddd8ca;border-radius:5px;grid-template-columns:54px minmax(0,1fr) auto;gap:11px;padding:11px;display:grid}.preview-cover{color:#7f5540;background:#f0ece2;place-items:center;width:54px;height:72px;display:grid;overflow:hidden}.preview-cover img{object-fit:cover;width:100%;height:100%}.preview-copy{align-items:center;gap:7px;display:flex}.preview-copy>svg{color:var(--green)}.preview-copy>span{gap:2px;display:grid}.preview-copy b{color:#283b34;font-size:14px}.preview-copy small{color:var(--muted);font-size:11px}.book-link-preview .amazon-button{color:#1d2521;white-space:nowrap;background:#ffd814;border:1px solid #c89411;border-radius:22px;justify-content:center;align-items:center;gap:6px;width:auto;min-height:44px;margin:0;padding:0 13px;font-weight:700;text-decoration:none;display:inline-flex}.amazon-button small{border:1px solid #9d7512;border-radius:2px;padding:1px 3px;font-size:9px}.book-block.product-book-card{grid-template-columns:96px minmax(0,1fr) 185px;align-items:stretch;gap:17px;padding:17px;display:grid}.product-cover{background:#ebe6da;border:1px solid #dbd3c2;place-items:center;width:96px;min-height:132px;display:grid;overflow:hidden;box-shadow:0 4px 10px #372a191f}.product-cover img{object-fit:cover;width:100%;height:100%}.product-cover>span{color:#7f5540;font-size:31px}.product-book-copy{align-content:center;min-width:0}.product-book-copy .bibliographic-link{width:fit-content;color:var(--blue);align-items:center;gap:4px;margin-top:9px;font-size:12px;display:inline-flex}.book-meta span{align-items:center;gap:4px;display:inline-flex}.amazon-offer{background:#fffaf0;border:1px solid #e0c476;border-radius:5px;flex-direction:column;justify-content:center;align-self:stretch;gap:11px;padding:13px;display:flex}.amazon-offer>span{gap:3px;display:grid}.amazon-offer>span b{color:#9d3c18;font-size:18px}.amazon-offer>span small{color:#746856;font-size:10px}.amazon-offer>a{color:#1d2521;white-space:nowrap;background:#ffd814;border:1px solid #c89411;border-radius:21px;justify-content:center;align-items:center;gap:5px;min-height:42px;padding:0 11px;font-size:12px;font-weight:700;text-decoration:none;display:inline-flex}.amazon-offer>a:hover,.book-link-preview .amazon-button:hover{background:#f7ca00}.amazon-offer em{border:1px solid #9d7512;border-radius:2px;padding:1px 3px;font-size:8px;font-style:normal}.affiliate-disclosure{color:#8a9690;text-align:center;margin:28px auto 0;font-size:10px;line-height:1.5;display:block}.detail-aside{position:sticky;top:100px}.detail-stats h3{border-bottom:1px solid var(--line);padding-bottom:10px}.detail-stats dl{margin:0}.detail-stats dl div{border-bottom:1px solid #e7eae8;justify-content:space-between;align-items:center;padding:11px 2px;display:flex}.detail-stats dt{color:#5d696f;font-size:9px}.detail-stats dd{color:var(--green);margin:0;font-family:Georgia,serif;font-size:18px;font-weight:700}.observation-card h3{color:#966818}.observation-card p{color:#69757b;margin:11px 0 0;font-size:10px;line-height:1.8}.side-back{border:1px solid var(--line);color:var(--ink);background:#fff;grid-template-columns:28px 1fr 15px;align-items:center;gap:8px;padding:14px;text-decoration:none;display:grid}.side-back>svg:first-child{color:var(--best);font-size:23px}.side-back span{gap:2px;display:grid}.side-back b{font-size:10px}.side-back small{color:var(--muted);font-size:8px}.side-answer-action{background:var(--yellow);color:#332a18;cursor:pointer;border:1px solid #d69a28;border-radius:4px;grid-template-columns:18px 1fr 16px;align-items:center;gap:7px;width:100%;min-height:36px;padding:0 11px;font-size:13px;font-weight:800;display:grid;box-shadow:0 2px 7px #6b4c131f}.side-answer-action:hover{background:#f6c45f}.side-answer-action span{text-align:left}.question-actions-row{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px;display:flex}.mobile-answer-action{display:none}.page-intro{text-align:center;padding:60px 0 35px}.page-intro h1{color:#263d35;margin:10px 0;font-family:Yu Mincho,Hiragino Mincho ProN,serif;font-size:34px}.page-intro p{color:var(--muted);font-size:12px}.ranking-page,.guide-page{padding-bottom:80px}.rank-rule{background:#fff8e6;border:1px solid #d9c283;border-radius:4px;gap:16px;width:fit-content;margin:0 auto 18px;padding:10px 15px;display:flex}.rank-rule div{color:#875f18;align-items:center;gap:6px;display:flex}.rank-rule span{font-size:12px}.rank-legend{flex-wrap:wrap;justify-content:center;gap:8px;margin:0 auto 18px;display:flex}.rank-legend span{background:#fff;border:2px solid;border-radius:5px;justify-content:space-between;gap:8px;min-width:115px;padding:7px 10px;font-size:12px;font-weight:800;display:inline-flex}.rank-legend b{font-weight:600}.ranking-table{border:1px solid var(--line);background:#fff}.ranking-row{text-align:center;border-top:1px solid #e5e8e7;grid-template-columns:60px minmax(210px,1.5fr) .8fr .7fr .6fr .6fr .8fr;align-items:center;min-height:72px;padding:0 18px;font-size:13px;display:grid}.ranking-row.current{background:#edf6f1}.ranking-head{color:#52615a;background:#eef1ef;border-top:0;min-height:44px;font-size:12px;font-weight:800}.rank-number{color:#52615a;font-family:Georgia,serif;font-size:20px}.rank-user{text-align:left;align-items:center;gap:10px;display:flex}.rank-user>i{color:#fff;background:#567a6d;border-radius:50%;place-items:center;width:38px;height:38px;font-size:15px;font-style:normal;display:grid}.rank-user>span{gap:3px;display:grid}.rank-user>span>b{font-size:14px}.rank-user small{color:#5d696f;font-size:12px}.rank-user em{color:var(--green);background:#dcece3;border-radius:3px;padding:3px 6px;font-size:11px;font-style:normal}.rank-badge{white-space:nowrap;background:#fff;border:2px solid;border-radius:6px;gap:1px;min-width:76px;padding:5px 8px;display:inline-grid}.rank-badge small{font-size:10px;font-weight:700}.rank-badge b{font-size:15px}.rank-tier-entry{color:#526f64}.rank-tier-kyu{color:#1768a6}.rank-tier-dan{color:#9a4f2f}.rank-tier-master{color:#6b3fa0}.rank-badge.rank-tier-entry{background:#edf5f1}.rank-badge.rank-tier-kyu{background:#eaf4fb}.rank-badge.rank-tier-dan{background:#fff0e8}.rank-badge.rank-tier-master{background:#f4edfb}.ranking-cta{background:var(--green);color:#fff;justify-content:space-between;align-items:center;margin-top:18px;padding:19px 23px;display:flex}.ranking-cta>div{align-items:center;gap:10px;display:flex}.ranking-cta svg{color:#f0c45f;font-size:25px}.ranking-cta span{gap:3px;display:grid}.ranking-cta small{color:#ccddd5}.ranking-cta button{color:var(--green);cursor:pointer;background:#fff;border:1px solid #fff;border-radius:3px;padding:9px 13px;font-weight:700}.guide-flow{grid-template-columns:1fr 25px 1fr 25px 1fr;align-items:center;gap:11px;display:grid}.guide-flow>svg{color:#9caaa3}.guide-flow article{border:1px solid var(--line);border-top:4px solid var(--green);text-align:center;background:#fff;min-height:270px;padding:26px 24px}.guide-flow article>i{background:var(--green-pale);width:56px;height:56px;color:var(--green);border-radius:50%;place-items:center;margin:0 auto 14px;font-family:Georgia,serif;font-size:25px;font-style:normal;font-weight:700;display:grid}.guide-flow article>span{color:#8a9690;letter-spacing:.15em;font-size:8px}.guide-flow h2{font-family:Yu Mincho,Hiragino Mincho ProN,serif;font-size:18px}.guide-flow p{color:var(--muted);font-size:10px;line-height:1.85}.guide-observe{background:var(--cream);border:1px solid #dfdcd2;grid-template-columns:280px 1fr;gap:25px;margin-top:27px;padding:30px;display:grid}.guide-observe>div{text-align:center}.guide-observe svg{color:var(--green);font-size:38px}.guide-observe h2{font-family:Yu Mincho,Hiragino Mincho ProN,serif;font-size:19px}.guide-observe ol{margin:0;padding:0;list-style:none}.guide-observe li{border-top:1px solid #dcd9d0;grid-template-columns:110px 1fr;gap:13px;padding:11px 0;display:grid}.guide-observe li:first-child{border-top:0}.guide-observe b{color:var(--green);font-size:10px}.guide-observe span{color:#64716b;font-size:10px}.guide-ask{margin:25px auto 0}footer{color:#c1d2cb;background:#203d35;justify-content:space-between;align-items:center;min-height:75px;padding:15px max(20px,50vw - 580px);font-size:9px;display:flex}.community-app footer>div{align-items:center;gap:9px;display:flex}.community-app footer strong{color:#fff;font-family:Yu Mincho,serif;font-size:14px}.community-app footer em{border:1px solid #70887e;border-radius:2px;padding:2px 4px;font-size:7px;font-style:normal}.community-app footer p{margin:0}.community-app footer a{color:#fff}.community-app footer button{color:#d4dfda;cursor:pointer;background:0 0;border:1px solid #71887e;border-radius:3px;padding:5px 8px;font-size:8px}.modal-backdrop{z-index:100;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#17241f9e;place-items:center;padding:20px;display:grid;position:fixed;inset:0;overflow-y:auto}.modal{background:#fff;border-radius:7px;width:min(640px,100%);max-height:calc(100vh - 40px);padding:30px;position:relative;overflow-y:auto;box-shadow:0 22px 70px #0c191347}.modal.narrow{width:min(430px,100%)}.modal-close{border:1px solid var(--line);cursor:pointer;background:#f5f6f5;border-radius:50%;place-items:center;width:32px;height:32px;display:grid;position:absolute;top:14px;right:14px}.modal-heading{align-items:center;gap:11px;padding-right:30px;display:flex}.modal-heading>span{border-left:5px solid var(--green-dark);background:var(--green);color:#fff;border-radius:3px 7px 7px 3px;place-items:center;width:42px;height:45px;font-size:20px;display:grid}.modal-heading h2{margin:0;font-family:Yu Mincho,Hiragino Mincho ProN,serif;font-size:21px}.modal-heading p{color:var(--muted);margin:4px 0 0;font-size:9px}.modal-form{margin-top:22px}.modal-form textarea{resize:vertical;min-height:135px}.modal-form label>small{color:#899298;font-size:8px;position:absolute;top:0;right:5px}.modal-notice{background:var(--blue-pale);color:#506b7c;border-left:3px solid var(--blue);align-items:center;gap:7px;margin-top:15px;padding:10px 12px;font-size:9px;display:flex}.modal-actions{justify-content:flex-end;gap:8px;margin-top:20px;display:flex}.modal-actions button{border:1px solid var(--line-dark);cursor:pointer;background:#fff;border-radius:3px;min-height:39px;padding:0 15px}.modal-actions button[type=submit]{background:var(--green);border-color:var(--green);color:#fff;align-items:center;gap:6px;font-weight:700;display:flex}.auth-tabs{border-bottom:1px solid var(--line);grid-template-columns:1fr 1fr;margin-top:21px;display:grid}.auth-tabs button{color:#77838a;cursor:pointer;background:0 0;border:0;border-bottom:3px solid #0000;padding:10px}.auth-tabs button.active{color:var(--green);border-bottom-color:var(--green);font-weight:700}.form-error{color:#a13f35;background:#fff0ed;padding:8px 10px;font-size:9px}.rank-start{color:#8b6119;background:#fff8e4;border:1px solid #dfc681;align-items:center;gap:9px;margin-top:13px;padding:11px;display:flex}.rank-start svg{font-size:24px}.rank-start span{display:grid}.rank-start small{font-size:8px}.auth-submit{border:1px solid var(--green-dark);background:var(--green);color:#fff;cursor:pointer;border-radius:3px;width:100%;min-height:41px;margin-top:16px;font-weight:700}.auth-submit:disabled{opacity:.65}.local-security{text-align:center;color:#818c91;font-size:8px}.toast{z-index:200;color:#fff;background:#263d35;border-radius:22px;align-items:center;gap:7px;padding:11px 18px;font-size:10px;animation:.18s ease-out toast-in;display:flex;position:fixed;bottom:24px;left:50%;transform:translate(-50%);box-shadow:0 8px 28px #00000038}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,8px)}}.content-actions{justify-content:flex-end;margin-top:8px;display:flex}.content-actions button{color:#68747e;cursor:pointer;background:0 0;border:0;align-items:center;gap:5px;padding:6px 8px;font-size:12px;display:inline-flex}.content-actions button:hover{color:#9a3f35;background:#fff0ed;border-radius:4px}.content-actions .delete-content{color:#8c443c}.professional-bar{font-size:12px}.main-nav button,.ask-button,.login-button{font-size:14px}.intro-label,.section-heading span,.page-intro>span,.service-counts dt{font-size:12px}.service-counts small{font-size:11px}.section-heading>b,.list-controls button{font-size:13px}.topic-meta,.topic-bottom>small,.tag-row span{font-size:11px}.topic-summary>p,.aside-ask b,.aside-card h3{font-size:14px}.aside-ask small,.learning-card b,.learning-card span{font-size:12px}.aside-title>span,.mini-ranker small{font-size:10px}.mini-ranker strong,.mini-ranker em,.mini-avatar{font-size:12px}.exam-card b{font-size:13px}.exam-card p,.exam-card a,.detail-breadcrumb,.question-kicker{font-size:12px}.author-line b{font-size:13px}.author-line small,.best-heading small,.thanks-stamp{font-size:11px}.waiting-answer b{font-size:14px}.waiting-answer span{font-size:12px}.book-block small{font-size:11px}.book-block p{font-size:13px}.selection-reason>b,.tree-heading b,.tree-heading p,.node-badge,.questioner-branch b,.reply-start,.inline-reply button{font-size:12px}.questioner-branch p{font-size:13px}.questioner-branch small{font-size:11px}.tree-empty,.form-heading p,.kind-picker button small,.form-submit-row p{font-size:12px}.kind-picker button b,.contribution-form label,.modal-form label{font-size:13px}.contribution-form label>b,.modal-form label>b,.contribution-form label>span,.modal-form label>span{font-size:11px}.contribution-form input,.contribution-form textarea,.modal-form input,.modal-form textarea{font-size:14px}.detail-stats dt,.observation-card p,.side-back b,.side-back small,.page-intro p,.rank-rule span,.ranking-row{font-size:12px}.ranking-head{font-size:11px}.rank-user small,.rank-badge{font-size:10px}.rank-user em{font-size:9px}.guide-flow article>span{font-size:10px}.guide-flow p,.guide-observe b,.guide-observe span{font-size:13px}.community-app footer,.community-app footer button{font-size:11px}.community-app footer em{font-size:9px}.modal-heading p,.modal-form label>small,.modal-notice,.form-error,.rank-start small,.local-security{font-size:11px}.rank-start b,.toast{font-size:13px}@media (width<=950px){.site-header{grid-template-columns:1fr auto}.main-nav{display:none}.intro-inner{grid-template-columns:1fr;gap:24px}.service-counts{grid-template-columns:repeat(3,1fr);width:min(100%,400px)}.topics-layout,.detail-layout{grid-template-columns:1fr}.topics-layout aside{grid-template-columns:1fr 1fr}.aside-ask{grid-column:1/-1}.detail-aside{grid-template-columns:1fr 1fr;position:static}.side-back{grid-column:1/-1}.ranking-row{grid-template-columns:50px 1.5fr .7fr .7fr}.ranking-row>span:nth-child(4),.ranking-row>span:nth-child(5),.ranking-row>span:nth-child(6){display:none}.guide-flow{grid-template-columns:1fr}.guide-flow>svg{justify-self:center;transform:rotate(90deg)}.guide-flow article{min-height:0}.guide-observe{grid-template-columns:1fr}.book-block.product-book-card{grid-template-columns:84px minmax(0,1fr)}.product-cover{width:84px;min-height:116px}.amazon-offer{flex-direction:row;grid-column:1/-1;justify-content:space-between;align-items:center}.amazon-offer>a{min-width:175px}.filter-select{flex:190px}}@media (width<=650px){.content-shell{width:min(100% - 24px,1160px)}.professional-bar{height:32px;padding:0 12px;font-size:10px}.professional-bar div{max-width:65%}.professional-bar a{white-space:nowrap}.site-header{gap:9px;height:70px;padding:0 12px}.brand{gap:8px}.brand-mark{border-left-width:5px;width:37px;height:42px;font-size:20px}.brand strong{font-size:20px}.brand small{font-size:10px}.ask-button{min-height:41px;padding:0 11px;font-size:13px}.login-button{justify-content:center;width:41px;min-height:41px;padding:0;font-size:0}.login-button svg{font-size:19px}.intro-inner{min-height:345px;padding-top:32px;padding-bottom:28px}.intro-inner .service-title{font-size:43px}.intro-inner .service-subtitle{font-size:15px}.intro-inner .intro-message{font-size:17px}.intro-inner p:not(.service-subtitle){font-size:13px}.intro-inner p br{display:none}.service-counts div{padding:12px 5px}.service-counts dd{font-size:24px}.search-box button{display:none}.topics-layout{padding-top:27px}.list-controls{overflow-x:auto}.list-controls button{white-space:nowrap;padding:9px 12px}.topic-summary{padding:18px 16px}.topic-summary h3{font-size:18px}.topic-bottom{flex-direction:column;align-items:start}.topic-bottom>small{white-space:normal}.topics-layout aside{grid-template-columns:1fr}.aside-ask{grid-column:auto}.detail-page{width:100%;padding-top:13px}.detail-breadcrumb{padding:0 12px}.question-panel{border-left:0;border-right:0;padding:24px 16px 20px 61px}.post-symbol{top:23px;left:14px}.question-content h1{font-size:25px}.question-content>p{font-size:14px}.best-answer-section{border-left:0;border-right:0;margin-top:15px;padding:0 10px 10px}.best-heading{flex-direction:column;justify-content:center;align-items:start;gap:2px}.answer-card{border-left:0;border-right:0;padding:18px 14px 13px}.answer-top{flex-wrap:wrap}.thanks-stamp{margin-left:46px}.tree-section{padding:0 12px}.tree-node{padding-left:22px}.node-line{left:6px}.node-line:before{width:16px}.node-card{padding:17px 13px 12px}.node-badge{margin-bottom:10px;display:inline-block;position:static}.questioner-branch{grid-template-columns:15px 1fr;margin-left:8px}.tree-empty{font-size:12px}.contribution-form{border-left:0;border-right:0;padding:22px 14px}.two-fields,.book-detail-fields,.book-search-row{grid-template-columns:1fr}.kind-picker{grid-template-columns:1fr 1fr}.book-suggestions{top:103px;left:0}.book-link-preview{grid-template-columns:48px 1fr;align-items:center}.preview-cover{width:48px;height:64px}.book-link-preview .amazon-button{grid-column:1/-1;width:100%;margin:0}.book-block.product-book-card{grid-template-columns:68px minmax(0,1fr);gap:12px;padding:13px}.product-cover{width:68px;min-height:94px}.amazon-offer{flex-direction:column;align-items:stretch;padding:11px}.amazon-offer>a{width:100%;min-width:0}.form-submit-row{flex-direction:column;align-items:stretch;gap:9px}.form-submit-row button{justify-content:center}.detail-aside{grid-template-columns:1fr;padding:0 12px}.side-answer-action{display:none}.side-back{grid-column:auto}.page-intro{padding:43px 0 28px}.page-intro h1{font-size:28px}.rank-rule{flex-direction:column;align-items:start;gap:7px}.ranking-row{grid-template-columns:34px 1.4fr .65fr .65fr;padding:0 7px}.rank-user>i{display:none}.ranking-cta{flex-direction:column;align-items:stretch;gap:14px}.ranking-cta button{width:100%;padding:10px}.guide-observe{padding:24px 17px}.guide-observe li{grid-template-columns:1fr;gap:4px}footer{flex-wrap:wrap;gap:8px;padding:14px 12px}.community-app footer>p,.community-app footer>div:first-child span{display:none}.modal-backdrop{align-items:end;padding:8px}.modal{border-radius:8px 8px 3px 3px;max-height:calc(100vh - 16px);padding:24px 18px}}.book-input-grid{margin-top:14px}.contribution-form .book-field-label{color:#46555e;align-items:center;gap:6px;height:20px;font-size:13px;font-weight:700;display:flex}.contribution-form .book-field-label>b{color:#a84335;background:#fff0ed;border-radius:3px;padding:2px 5px;font-size:10px;line-height:1.2}.contribution-form .book-field-label>em{color:#808c92;font-size:11px;font-style:normal;font-weight:400}.autocomplete-input{display:block;position:relative}.autocomplete-input input{padding-right:38px}.autocomplete-input .book-search-spinner{color:var(--green);position:absolute;bottom:13px;right:12px}.autocomplete-input .inline-book-suggestions{z-index:30;border-color:#c8d2ce;width:100%;max-height:340px;margin:0;position:absolute;top:calc(100% + 4px);left:0;right:0;box-shadow:0 10px 24px #182a2229}.inline-book-suggestions .suggestion-label{z-index:1;color:#66736d;letter-spacing:.05em;background:#f4f7f5;border-bottom:1px solid #e4e8e6;padding:8px 12px;font-size:10px;font-weight:700;position:sticky;top:0}.autocomplete-input .book-no-results{z-index:30;color:#66736d;background:#f1f4f2;border:1px solid #c8d2ce;border-left:3px solid #9fada7;margin:0;padding:10px 12px;font-size:12px;position:absolute;top:calc(100% + 4px);left:0;right:0;box-shadow:0 8px 18px #182a221f}.book-link-preview{background:0 0;border:0;margin-top:14px;padding:0;display:block}.book-link-preview .amazon-product-link{color:var(--ink);align-items:stretch;gap:0;margin-left:0;display:grid}.book-block.product-book-card{background:0 0;border:0;padding:0;display:block}.amazon-product-link{width:100%;min-width:0;color:var(--ink);background:#fff;border:1px solid #d9d9d6;border-radius:8px;grid-template-columns:92px minmax(0,1fr) 190px;align-items:stretch;margin:0;text-decoration:none;transition:border-color .16s,box-shadow .16s,transform .16s;display:grid;overflow:hidden;box-shadow:0 2px 5px #19231e0f}.amazon-product-link:hover{border-color:#9eaaa4;transform:translateY(-1px);box-shadow:0 7px 18px #19231e1f}.amazon-product-link .product-cover{width:92px;height:128px;min-height:128px;box-shadow:none;background:#f3f0e8;border:0;border-right:1px solid #ebe9e3}.amazon-product-link .product-cover img{object-fit:cover;width:100%;height:100%}.amazon-product-link .product-book-copy{flex-direction:column;justify-content:center;align-items:flex-start;gap:4px;min-width:0;padding:14px 18px;display:flex}.amazon-product-link .product-book-copy>small,.amazon-preview-copy>small{color:#8a6b24;letter-spacing:.12em;font-size:9px;font-weight:700}.amazon-product-link .product-book-copy>strong{color:#263832;text-overflow:ellipsis;white-space:nowrap;max-width:100%;font-family:Georgia,Yu Mincho,serif;font-size:18px;line-height:1.35;overflow:hidden}.amazon-product-link .book-author{color:#65716c;font-size:12px}.amazon-product-link .book-meta{margin-top:4px}.amazon-card-tail{background:#fcfbf7;border-left:1px solid #ebe9e3;flex-direction:column;justify-content:center;align-items:flex-start;gap:12px;padding:14px 15px;display:flex}.amazon-card-tail>span:first-child{gap:2px;display:grid}.amazon-card-tail b{color:#8f391b;font-size:17px}.amazon-card-tail small{color:#756f63;font-size:9px;line-height:1.45}.amazon-card-action{color:#2d5c4c;align-items:center;gap:5px;font-size:12px;font-weight:700;display:inline-flex}.amazon-card-action i{color:#766323;border:1px solid #9f8a55;border-radius:2px;padding:1px 3px;font-size:8px;font-style:normal}.amazon-card-action svg{font-size:13px}.product-book-card>.bibliographic-link{width:fit-content;color:var(--blue);align-items:center;gap:4px;margin-top:7px;font-size:11px;display:inline-flex}.amazon-product-preview{grid-template-columns:72px minmax(0,1fr) 150px}.amazon-product-preview .preview-cover{background:#f3f0e8;border-right:1px solid #ebe9e3;width:72px;height:98px}.amazon-preview-copy{flex-direction:column;justify-content:center;align-items:flex-start;gap:3px;min-width:0;padding:11px 14px;display:flex}.amazon-preview-copy>b{color:#283b34;text-overflow:ellipsis;white-space:nowrap;max-width:100%;font-size:14px;overflow:hidden}.amazon-preview-copy>span{color:#65716c;font-size:11px}.amazon-preview-copy>em{color:#8f391b;font-size:11px;font-style:normal;font-weight:700}.amazon-product-preview>.amazon-card-action{background:#fcfbf7;border-left:1px solid #ebe9e3;justify-content:center;padding:0 14px}@media (width<=760px){.amazon-product-link{grid-template-columns:74px minmax(0,1fr)}.amazon-product-link .product-cover{width:74px;height:104px;min-height:104px}.amazon-product-link .product-book-copy{padding:11px 12px}.amazon-product-link .product-book-copy>strong{font-size:15px}.amazon-card-tail{border-top:1px solid #ebe9e3;border-left:0;flex-direction:row;grid-column:1/-1;justify-content:space-between;align-items:center;padding:10px 12px}.amazon-product-preview{grid-template-columns:62px minmax(0,1fr)}.amazon-product-preview .preview-cover{width:62px;height:86px}.amazon-product-preview>.amazon-card-action{border-top:1px solid #ebe9e3;border-left:0;grid-column:1/-1;min-height:42px;padding:0 12px}.inline-book-suggestions button{grid-template-columns:42px minmax(0,1fr)}.inline-book-suggestions button>em{grid-column:2;justify-self:start}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.user-avatar{position:relative;overflow:visible}.user-avatar img{border-radius:inherit}.presence-dot{box-sizing:border-box;border:2px solid #fff;border-radius:50%;width:11px;height:11px;position:absolute;bottom:-1px;right:-1px;box-shadow:0 0 0 1px #22302a21}.presence-dot.online{background:#22a45d}.presence-dot.offline{background:#98a09c}.mini-avatar .presence-dot{width:9px;height:9px}.answer-top .author-line>.user-avatar{display:grid}.question-author-link{align-items:center;gap:6px;display:inline-flex}.question-author-link .user-avatar{color:#fff;background:#527769;border-radius:50%;place-items:center;width:22px;height:22px;font-size:9px;display:grid}.question-author-link .presence-dot{border-width:1.5px;width:8px;height:8px}.live-reference-card{border-top:3px solid #d8a13b}.live-reference-card>p{color:var(--muted);margin:8px 0 12px;font-size:10px;line-height:1.7}.live-reference-card>em{color:#78837e;margin-top:10px;font-size:8px;font-style:normal;display:block}.live-participant-list{gap:9px;display:grid}.live-participant-list>div{border-top:1px solid #e7ebe8;grid-template-columns:34px minmax(0,1fr);align-items:center;gap:9px;padding-top:9px;display:grid}.live-participant-list .user-avatar{color:#fff;background:#527769;border-radius:50%;place-items:center;width:32px;height:32px;font-size:11px;font-weight:800;display:grid}.live-participant-list span{gap:2px;min-width:0;display:grid}.live-participant-list b{color:#31463d;font-size:11px}.live-participant-list small{color:var(--muted);font-size:9px;line-height:1.4}.live-participant-list small.active-slot{color:#a26800;font-weight:800}.live-empty{color:var(--muted);font-size:9px;line-height:1.6}.super-reference-settings{background:linear-gradient(135deg,#fffdf6,#fff);border:1px solid #dcc78f;border-top:4px solid #d4a23d;margin:0 0 22px;padding:22px}.super-reference-heading{grid-template-columns:46px minmax(0,1fr) auto;align-items:start;gap:12px;display:grid}.super-reference-heading>span{color:#9b680c;background:#fff1c7;border-radius:50%;place-items:center;width:42px;height:42px;font-size:21px;display:grid}.super-reference-heading small{color:#9b680c;letter-spacing:.1em;font-size:9px;font-weight:800}.super-reference-heading h2{color:#34483f;margin:2px 0 4px;font-family:Yu Mincho,serif;font-size:20px}.super-reference-heading p{color:var(--muted);margin:0;font-size:11px;line-height:1.7}.super-reference-heading>b,.profile-presence{border-radius:999px;align-self:center;padding:5px 9px;font-size:10px}.super-reference-heading>b.online,.profile-presence.online{color:#0f7c42;background:#e3f6eb}.super-reference-heading>b.offline,.profile-presence.offline{color:#69716d;background:#ecefed}.super-reference-settings form{grid-template-columns:1fr 1fr auto;align-items:end;gap:12px;margin-top:18px;display:grid}.super-reference-settings label{color:#43564e;gap:6px;font-size:11px;font-weight:700;display:grid}.super-reference-settings input{min-width:0;min-height:40px;font:inherit;background:#fff;border:1px solid #b7c4be;border-radius:4px;padding:8px 10px}.super-reference-settings form button{color:#fff;cursor:pointer;background:#a77418;border:1px solid #a77418;border-radius:4px;justify-content:center;align-items:center;gap:5px;min-height:40px;padding:0 15px;font-weight:800;display:inline-flex}.super-reference-settings form button:disabled{opacity:.6}.slot-message{color:#a13c31;font-size:11px}.scheduled-slots{gap:7px;margin-top:14px;display:grid}.scheduled-slots>div{background:#fff;border:1px solid #e4dfce;border-radius:4px;justify-content:space-between;align-items:center;gap:12px;padding:10px 12px;display:flex}.scheduled-slots span{gap:2px;display:grid}.scheduled-slots b{color:#9b680c;font-size:10px}.scheduled-slots small{color:#4f5d57;font-size:11px}.scheduled-slots button{color:#8c443c;cursor:pointer;background:0 0;border:0;align-items:center;gap:4px;display:inline-flex}.scheduled-slots>p{color:var(--muted);margin:0;font-size:11px}.public-super-reference{background:#fffdf7;border:1px solid #dfd4b3;margin:-8px 0 22px;padding:18px 22px}.public-super-reference h2{color:#76500b;align-items:center;gap:7px;margin:0 0 10px;font-size:15px;display:flex}.public-super-reference p{flex-wrap:wrap;gap:8px;margin:7px 0 0;font-size:11px;display:flex}.public-super-reference p b{color:#9b680c}.public-super-reference p span,.public-super-reference>small{color:var(--muted)}@media (width<=650px){.super-reference-settings{padding:17px 14px}.super-reference-heading{grid-template-columns:38px 1fr}.super-reference-heading>span{width:36px;height:36px}.super-reference-heading>b{grid-column:2;justify-self:start}.super-reference-settings form{grid-template-columns:1fr}.scheduled-slots>div{align-items:flex-start}}.today-topic-card{background:#fff;border:1px solid #b9cec4;border-radius:7px;grid-template-columns:130px minmax(0,1fr);align-items:stretch;display:grid;overflow:hidden;box-shadow:0 5px 16px #23443714}.today-label{background:var(--green);color:#fff;white-space:nowrap;justify-content:center;align-items:center;gap:7px;padding:18px;font-weight:800;display:flex}.today-topic-card>button{text-align:left;cursor:pointer;background:#fff;border:0;justify-content:space-between;align-items:center;gap:24px;padding:16px 20px;display:flex}.today-topic-card>button:hover b{color:var(--blue);text-decoration:underline}.today-topic-card>button>span:first-child{gap:5px;min-width:0;display:grid}.today-topic-card>button b{color:var(--ink);font-size:17px}.today-topic-card>button small{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.today-topic-card>button>span:last-child{color:var(--green);flex:none;align-items:center;gap:7px;font-size:12px;font-weight:700;display:flex}.intro-today-topic{grid-template-columns:1fr;width:min(360px,40vw)}.intro-today-topic .today-label{justify-content:flex-start;padding:11px 16px}.intro-today-topic>button{flex-direction:column;align-items:flex-start;gap:13px;min-height:142px;padding:16px}.intro-today-topic>button small{white-space:normal;-webkit-line-clamp:3;-webkit-box-orient:vertical;display:-webkit-box}.today-topic-empty{align-content:center;gap:7px;min-height:142px;padding:20px 16px;display:grid}.today-topic-empty b{color:var(--ink)}.today-topic-empty small{color:var(--muted)}.author-link{color:inherit;text-align:left;cursor:pointer;background:0 0;border:0;padding:0}.author-link:hover b{color:var(--blue);text-decoration:underline}.question-meta-actions{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 14px;margin-top:14px;display:flex}.question-meta-actions>.tag-row{flex:220px;min-width:0}.question-meta-actions .topic-like-action,.question-meta-actions .share-card{margin:0}.topic-like-action{margin-top:14px;display:flex}.topic-like-action button{color:#9a4b42;cursor:pointer;background:#fff8f6;border:1px solid #d9aaa3;border-radius:4px;align-items:center;gap:6px;padding:7px 10px;font-size:12px;display:flex}.topic-like-action button b{text-align:center;background:#f3deda;border-radius:10px;min-width:19px;padding:1px 5px}.topic-like-action button.active-like{color:#a1392e;background:#fff1ef;border-color:#bc7066}.topic-like-action button:disabled{opacity:.55;cursor:default}.detail-discussion-tabs{grid-template-columns:1fr 1fr;gap:8px;margin-top:28px;scroll-margin-top:96px;display:grid}.detail-discussion-tabs button{border:1px solid var(--line);color:#66736d;cursor:pointer;background:#f4f5f4;border-top-width:3px;min-height:48px;font-weight:700}.detail-discussion-tabs .followup-tab{border-top-color:var(--followup);color:var(--followup-dark);background:#f5faff}.detail-discussion-tabs .answer-tab{border-top-color:var(--answer);color:var(--answer-dark);background:#fff8f5}.detail-discussion-tabs .followup-tab.active{border-color:var(--followup);background:var(--followup);color:#fff}.detail-discussion-tabs .answer-tab.active{border-color:var(--answer);background:var(--answer);color:#fff}.detail-discussion-tabs b{color:#1f2925;background:#ffffffd1;border-radius:10px;margin-left:5px;padding:2px 7px}.follow-up-tree .tree-empty{color:var(--followup-dark);background:#f7fbfe;border-color:#a9c9dd}.answer-tree .tree-empty{color:var(--answer-dark);background:#fff9f6;border-color:#d9b2a5}.expand-discussion{width:100%;min-height:43px;color:var(--green);cursor:pointer;background:#fff;border:1px solid #aebdb6;border-radius:4px;margin-top:14px;font-size:12px;font-weight:800}.expand-discussion:hover{border-color:var(--green);background:var(--green-pale)}.detail-activity-links{margin-top:10px;display:grid}.detail-activity-links button{text-align:left;cursor:pointer;color:var(--ink);background:0 0;border:0;border-top:1px solid #e4e8e6;grid-template-columns:1fr auto 16px;align-items:center;gap:7px;padding:12px 2px;display:grid}.detail-activity-links button:hover span{color:var(--blue);text-decoration:underline}.detail-activity-links b{font-family:Georgia,serif;font-size:18px}.detail-activity-links button:first-child b,.detail-activity-links button:first-child>svg{color:var(--followup)}.detail-activity-links button:nth-child(2) b,.detail-activity-links button:nth-child(2)>svg{color:var(--answer)}.questioner-answer-comment{border-left:4px solid var(--green);background:#edf5f0;margin:14px 0;padding:13px 15px}.questioner-answer-comment b{color:var(--green);font-size:12px}.questioner-answer-comment p{margin:5px 0;line-height:1.7}.questioner-answer-comment small{color:var(--muted)}.answer-comment-form{background:#f8faf9;border:1px solid #cfdbd5;margin:14px 0;padding:13px}.answer-comment-form label{color:var(--green);gap:6px;font-size:12px;font-weight:700;display:grid}.answer-comment-form textarea{resize:vertical;border:1px solid #b8c5bf;border-radius:3px;width:100%;min-height:70px;padding:9px}.answer-comment-form button,.select-best-button{border:1px solid var(--green);background:var(--green);color:#fff;cursor:pointer;border-radius:4px;margin-top:8px;padding:8px 11px;font-size:12px;font-weight:700}.select-best-button{color:#865c18;background:#fff7df;border-color:#c79639;align-items:center;gap:6px;display:flex}.select-best-button.selected{color:#fff;background:#855518}.account-page{min-height:70vh;padding-bottom:80px}.account-summary{border:1px solid var(--line);background:#fff;grid-template-columns:repeat(4,1fr);max-width:720px;margin:-14px auto 28px;display:grid}.account-summary div{text-align:center;border-left:1px solid var(--line);gap:3px;padding:15px;display:grid}.account-summary div:first-child{border-left:0}.account-summary b{color:var(--green);font-family:Georgia,serif;font-size:24px}.account-summary span{color:var(--muted);font-size:11px}.account-grid{grid-template-columns:1fr 1fr;gap:18px;display:grid}.activity-panel{border:1px solid var(--line);background:#fff;min-width:0;padding:20px}.activity-panel h2{color:#30483f;margin:0 0 12px;font-family:Yu Mincho,serif;font-size:19px}.activity-list,.follow-list{display:grid}.activity-list button,.follow-list button{text-align:left;cursor:pointer;background:0 0;border:0;border-top:1px solid #e5e9e7;grid-template-columns:1fr 18px;gap:4px 10px;min-width:0;padding:12px 2px;display:grid}.activity-list button b,.activity-list button small{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.activity-list button b{font-size:13px}.activity-list button small{color:var(--muted)}.activity-list button svg{grid-area:1/2/3;align-self:center}.follow-list button{grid-template-columns:36px 1fr 18px;align-items:center}.follow-list button>span{background:var(--green);color:#fff;border-radius:50%;grid-row:1/3;place-items:center;width:34px;height:34px;display:grid}.follow-list button b{align-self:end}.follow-list button small{color:var(--muted);align-self:start}.follow-list button svg{grid-area:1/3/3}.activity-empty{color:var(--muted);padding:18px 0}.profile-back{color:var(--blue);cursor:pointer;background:0 0;border:0;align-items:center;gap:5px;margin-top:24px;display:flex}.public-profile-head{border:1px solid var(--line);background:#fff;grid-template-columns:82px 1fr auto;align-items:center;gap:18px;margin:22px 0;padding:28px;display:grid}.public-profile-head>span{background:var(--green);color:#fff;border-radius:50%;place-items:center;width:72px;height:72px;font-size:25px;font-weight:800;display:grid}.public-profile-head small{color:var(--green);letter-spacing:.14em;font-weight:800}.public-profile-head h1{margin:5px 0;font-family:Yu Mincho,serif}.public-profile-head p{color:var(--muted);margin:0}.public-profile-head button{border:1px solid var(--green);background:var(--green);color:#fff;cursor:pointer;border-radius:4px;align-items:center;gap:6px;padding:10px 14px;font-weight:700;display:flex}.public-profile-head button.following{color:var(--green);background:#fff}.author-suggestion-icon{color:var(--green);background:#edf5f0}.tag-suggestions{flex-wrap:wrap;gap:7px;margin-top:-4px;display:flex}.tag-suggestions button{color:#52635c;cursor:pointer;background:#f7f9f8;border:1px solid #cbd5d0;border-radius:16px;min-height:30px;padding:5px 10px;font-size:12px}.tag-suggestions button:hover{border-color:var(--green);color:var(--green)}.tag-suggestions button.selected{border-color:var(--green);background:var(--green-pale);color:var(--green-dark);font-weight:700}.contact-form select{width:100%;min-height:42px;color:var(--ink);font:inherit;background:#fff;border:1px solid #b8c5bf;border-radius:3px;margin-top:6px;padding:9px 11px}.contact-honeypot{width:1px!important;height:1px!important;position:absolute!important;left:-10000px!important;overflow:hidden!important}.modal-actions button:disabled{cursor:wait;opacity:.65}.password-input-wrap{display:block;position:relative}.password-input-wrap input{padding-right:46px}.password-visibility{color:#52635c;cursor:pointer;background:0 0;border:0;border-radius:4px;place-items:center;width:34px;height:34px;display:grid;position:absolute;bottom:4px;right:4px}.password-visibility:hover,.password-visibility:focus-visible{background:var(--green-pale);color:var(--green-dark);outline:2px solid #0000}.forgot-password{color:var(--blue);cursor:pointer;background:0 0;border:0;margin:-6px 0 0 auto;font-size:12px;text-decoration:underline;display:block}.recovery-help{border-left:3px solid var(--blue);background:var(--blue-pale);color:#506b7c;margin:0 0 15px;padding:10px 12px;font-size:12px;line-height:1.65}.field-required,.contribution-form label>b,.modal-form label>b,.settings-card label>b{font-weight:800;color:#b42318!important}.field-optional{font-weight:600;color:#68747e!important}.share-card{width:fit-content;margin:9px 0 2px;display:inline-flex;position:relative}.share-card .share-trigger{color:#53655d;cursor:pointer;background:#fff;border:1px solid #c5d2cc;border-radius:4px;align-items:center;gap:5px;min-height:36px;padding:0 10px;font-size:11px;font-weight:700;display:inline-flex}.share-card .share-trigger:hover,.share-card .share-trigger[aria-expanded=true]{border-color:var(--green);color:var(--green);background:var(--green-pale)}.share-card svg{width:14px;height:14px}.share-menu{z-index:40;background:#fff;border:1px solid #c5d2cc;border-radius:5px;gap:3px;width:170px;padding:5px;display:grid;position:absolute;top:calc(100% + 5px);right:0;box-shadow:0 8px 22px #1f372d29}.share-menu>button,.share-menu>a{color:#43554d;text-align:left;cursor:pointer;background:0 0;border:0;border-radius:3px;align-items:center;gap:8px;width:100%;min-height:36px;padding:0 9px;font-size:11px;font-weight:700;text-decoration:none;display:flex}.share-menu>button:hover,.share-menu>a:hover,.share-menu>button.copied{color:var(--green);background:var(--green-pale)}.share-menu>a b{text-align:center;width:14px;font-size:12px}[id^=shared-]{scroll-margin-top:120px}.account-settings{grid-template-columns:1fr 1fr;gap:18px;margin:0 0 22px;display:grid}.settings-card{border:1px solid var(--line);background:#fff;min-width:0;padding:20px}.settings-card>div:first-child{align-items:center;gap:10px;margin-bottom:15px;display:flex}.settings-card>div:first-child>svg{background:var(--green-pale);width:34px;height:34px;color:var(--green);border-radius:50%;padding:7px}.settings-card>div:first-child span{display:grid}.settings-card h2{color:#30483f;margin:0;font-family:Yu Mincho,serif;font-size:18px}.settings-card>div:first-child small{color:var(--green);letter-spacing:.08em;font-size:9px;font-weight:800}.settings-card label{color:#374c43;gap:6px;margin-top:12px;font-size:12px;display:grid;position:relative}.settings-card label>span{color:#68747e;font-size:10px;position:absolute;right:0}.settings-card input{width:100%;min-height:40px;font:inherit;border:1px solid #b8c5bf;border-radius:3px;padding:9px 10px}.settings-card>button{border:1px solid var(--green);background:var(--green);color:#fff;cursor:pointer;border-radius:4px;width:100%;min-height:40px;margin-top:14px;font-weight:700}.settings-card>button:disabled{opacity:.6}.settings-card>p[role=status]{color:var(--green);font-size:12px}.settings-note{color:var(--muted);margin:0;font-size:11px;line-height:1.65}.avatar-editor{background:#f8faf9;border:1px solid #dbe2de;border-radius:5px;grid-template-columns:64px minmax(0,1fr) auto;align-items:center;gap:12px;margin:4px 0 17px;padding:12px;display:grid}.avatar-editor>.user-avatar{color:#fff;background:#476f61;border-radius:50%;place-items:center;width:60px;height:60px;font-size:21px;font-weight:800;display:grid}.avatar-editor>div{justify-items:start;gap:5px;min-width:0;display:grid}.settings-card .avatar-upload-button{min-height:32px;color:var(--green);cursor:pointer;background:#fff;border:1px solid #9fb4aa;border-radius:4px;align-items:center;margin:0;padding:0 11px;font-weight:700;display:inline-flex}.settings-card .avatar-upload-button:hover{background:var(--green-pale)}.settings-card .avatar-upload-button input{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;min-height:0;padding:0;position:absolute;overflow:hidden}.avatar-editor small{color:var(--muted);font-size:9px}.avatar-editor>button{color:#8c443c;cursor:pointer;background:0 0;border:0;padding:5px;font-size:10px;text-decoration:underline}.security-question-display{border-left:3px solid var(--green);background:var(--green-pale);gap:5px;margin-top:14px;padding:12px;display:grid}.security-question-display small{color:var(--green);font-weight:800}.security-question-display b{color:#2d433a}.security-question-display button{color:var(--blue);cursor:pointer;background:0 0;border:0;justify-self:end;font-size:11px;text-decoration:underline}@media (width<=950px){.intro-today-topic{grid-template-columns:130px minmax(0,1fr);width:100%}.intro-today-topic .today-label{justify-content:center}.intro-today-topic>button{flex-direction:row;align-items:center;min-height:110px}.intro-today-topic>button>span:first-child{flex:1}.intro-today-topic .today-topic-empty{min-height:110px}}@media (width<=650px){.professional-bar span{display:none}.professional-bar div{max-width:none}.professional-bar svg{width:16px;height:16px}.brand small,.ask-label-full{display:none}.ask-label-short{display:inline}.intro-inner{gap:17px;min-height:0;padding-top:22px;padding-bottom:22px}.intro-copy .intro-label,.intro-copy .intro-message,.intro-copy .intro-description,.section-heading>div:first-child>span,.page-intro>span{display:none}.intro-inner .service-title{margin:0 0 3px;font-size:32px}.intro-inner .service-subtitle{margin:0;font-size:13px}.today-topic-card{grid-template-columns:1fr}.today-label{justify-content:flex-start;padding:10px 14px}.today-topic-card>button{flex-direction:column;align-items:flex-start;gap:10px;min-height:0;padding:14px}.today-topic-card>button small{white-space:normal;-webkit-line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box}.intro-today-topic{grid-template-columns:104px minmax(0,1fr)}.intro-today-topic .today-label{justify-content:center;padding:10px}.intro-today-topic .today-topic-empty{min-height:90px}.topics-heading{grid-template-columns:1fr auto}.topics-heading h2{margin-top:0;font-size:22px}.topic-search-tools{grid-area:2/1/auto/-1}.filter-toggle{justify-content:center;width:42px;padding:0}.filter-toggle>span,.filter-toggle>svg:last-child{display:none}.filter-toggle>svg:first-child{width:17px;height:17px}.filter-toggle b{position:absolute;top:-5px;right:-5px}.filter-popover{width:min(320px,100vw - 24px)}.list-controls{grid-template-columns:repeat(5,1fr);gap:1px;padding:5px 4px 0;display:grid;overflow:visible}.list-controls button{white-space:nowrap;flex-direction:column;gap:2px;min-width:0;min-height:48px;padding:5px 1px;font-size:10px}.list-controls button svg{width:16px;height:16px}.sort-label-full{display:none}.sort-label-short{display:inline}.topic-card{min-height:0}.topic-card.has-best-answer{grid-template-columns:1fr}.topic-summary{padding:14px 16px 13px}.topic-summary h3{margin:5px 0;font-size:17px}.topic-summary>p{-webkit-line-clamp:1}.topic-bottom{margin-top:8px}.topic-bottom>small{display:none}.tag-row{max-height:24px;overflow:hidden}.topic-numbers{gap:8px}.topic-numbers span{gap:4px}.topic-numbers svg{width:14px;height:14px}.topic-best-book{border-top:1px solid #e1e5e3;border-left:0;grid-template-columns:42px minmax(0,1fr);gap:9px;padding:10px 16px}.topic-best-cover{width:42px;height:58px}.topic-best-copy{grid-template-columns:minmax(0,1fr) auto;gap:2px 8px}.topic-best-copy small{grid-column:1/-1}.topic-best-copy b{-webkit-line-clamp:2}.topic-best-copy em{white-space:nowrap}.question-author-row{gap:5px}.question-author-row .share-card{margin:17px 0 0;padding-left:5px}.question-author-row .share-card-icon,.question-author-row .share-card>small{display:none}.question-actions-row{margin-top:12px}.question-meta-actions .question-actions-row{gap:4px}.question-meta-actions .share-trigger{padding:0 8px}.topic-like-action{margin-top:0}.topic-like-action button,.mobile-answer-action{min-height:36px}.mobile-answer-action{background:var(--yellow);color:#332a18;cursor:pointer;border:1px solid #d69a28;border-radius:4px;align-items:center;gap:6px;padding:7px 11px;font-size:12px;font-weight:800;display:inline-flex}.kind-picker button{justify-content:center;min-width:0;padding:9px 7px}.kind-picker button.active{padding:8px 6px}.kind-picker button>span{flex:0 0 30px}.kind-picker button b{font-size:12px}.notification-popover{width:auto;position:fixed;top:108px;left:12px;right:12px}.detail-discussion-tabs{margin-left:12px;margin-right:12px}.account-summary{grid-template-columns:repeat(2,1fr)}.account-summary div:nth-child(3){border-left:0;border-top:1px solid var(--line)}.account-summary div:nth-child(4){border-top:1px solid var(--line)}.account-grid{grid-template-columns:1fr}.public-profile-head{grid-template-columns:58px 1fr;padding:18px}.public-profile-head>span{width:54px;height:54px}.public-profile-head button{grid-column:1/-1;justify-content:center}.account-settings{grid-template-columns:1fr}.avatar-editor{grid-template-columns:54px minmax(0,1fr);gap:10px}.avatar-editor>.user-avatar{width:52px;height:52px}.avatar-editor>button{grid-column:2;justify-self:start;padding-left:0}.rank-user>.user-avatar{width:30px;height:30px;font-size:11px;display:grid}}.notification-guest-note{color:var(--muted);background:#f6f8f7;margin:0;padding:10px 15px;font-size:11px;line-height:1.6}