html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,embed,figure,figcaption,footer,header,hgroup,menu,nav,output,ruby,section,summary,time,mark,audio,video{margin:0;padding:0;border:none;font-style:normal;text-align:left;line-height:1.5;zoom:1}article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}table{border-collapse:collapse;font-family:inherit}h1,h2,h3,h4,h5{font-size:100%;font-weight:normal;line-height:1.5}input,textarea,select{font-family:inherit;font-size:16px}input[type="button"],input[type="text"],input[type="submit"]{-webkit-appearance:none;border-radius:0}textarea{resize:none;-webkit-appearance:none;border-radius:0}th,td{border-collapse:collapse}table th,table td{white-space:nowrap}ul,ol{list-style-type:none}img{vertical-align:text-bottom;vertical-align:-webkit-baseline-middle;max-width:100%;height:auto;width:auto}body{height:100%;background-color:#fff;font-size:1rem;color:#08131a;font-family:'ヒラギノ角ゴ Pro W3', 'Hiragino Kaku Gothic Pro','メイリオ', 'Meiryo', '游ゴシック', 'Yu Gothic', 'ＭＳ Ｐゴシック', 'MS PGothic', sans-serif}a{text-decoration:none;color:#08131a;font-family:'ヒラギノ角ゴ Pro W3', 'Hiragino Kaku Gothic Pro','メイリオ', 'Meiryo', '游ゴシック', 'Yu Gothic', 'ＭＳ Ｐゴシック', 'MS PGothic', sans-serif}.container{padding:16px 16px;width:100%}.content{display:flex;justify-content:center}.pc{display:block}@media screen and (max-width: 576px){.pc{display:none}}.main{max-width:600px;width:100%;display:block;margin-top:59px}@media screen and (max-width: 576px){.main{max-width:100%;width:100%}}.cont_wrap{border:1px solid #eff3f4;border-bottom:none;padding:1rem}.cont_bottom{border:1px solid 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solid;border-radius:3px}.toggle-checkbox_01,.toggle-checkbox_02{display:none}.toggle-text_01,.toggle-text_02{display:none;padding:2rem 1rem 1rem;margin-top:-1rem;border:1px solid #00b5ad;border-radius:3px}.toggle-checkbox_01:checked+.toggle-label_01+.toggle-text_01,.toggle-checkbox_02:checked+.toggle-label_02+.toggle-text_02{display:block}.user_post .top_cont{display:flex;align-items:center;margin-bottom:0.5rem}.user_post .top_cont_avatar{margin-right:0.5rem;background-color:#fff}.user_post .top_cont_avatar img{width:40px;height:40px;border-radius:50%;border:1px solid #eff3f4;object-fit:cover}.user_post .bottom_cont{color:#08131a8f}.user_post .bottom_cont a{color:#08131a8f}.user_post .under_line{margin:0.5rem 0;border-bottom:1px solid #eff3f4}.user_post .post_btn_wrap{display:flex;justify-content:end}.user_post .post_btn{box-sizing:border-box;display:inline-block;padding:0.5rem 1rem;color:#fff;font-size:0.8rem;background:#00b5ad;border:1px #00b5ad solid;border-radius:20px}@media screen and (max-width: 576px){.user_post .post_btn{font-size:0.6rem}}.search_wrap .search_form input[type="text"]{width:80%;padding:0.5rem;background-color:white;border:2px solid #00b5ad;border-radius:6px;font-size:16px}@media screen and (max-width: 576px){.search_wrap .search_form input[type="text"]{width:70%}}.search_wrap .search_form input[type="submit"]{width:14%;padding:0.5rem;color:#fff;background-color:#00b5ad;border:1px solid #00b5ad;border-radius:6px;font-size:16px}@media screen and (max-width: 576px){.search_wrap .search_form input[type="submit"]{width:20%}}.search_wrap .search_form input[type="submit"]:hover{opacity:0.8}.search_wrap .search_select{display:flex;margin-top:1rem}.search_wrap .search_select select{height:40px;width:180px;background:#fff;background-color:#fff;border:1px solid #00b5ad;border-radius:6px;color:#08131a;font-size:16px;margin:0;-webkit-appearance:none;-moz-appearance:none;appearance:none;padding-left:10px;background-image:linear-gradient(45deg, transparent 50%, #6D7071 50%),linear-gradient(135deg, #6D7071 50%, transparent 50%);background-position:calc(100% - 20px) calc(1em + 2px),calc(100% - 15px) calc(1em + 2px),calc(100% - 2.5em) 0.5em;background-size:5px 5px, 5px 5px, 1px 1.5em;background-repeat:no-repeat}@media screen and (max-width: 576px){.search_wrap .search_select select{width:100px}}.search_wrap .search_select li:not(:last-child){margin:0 1rem 0 0}.breadcrumbs_slider{display:flex;-webkit-box-pack:start;-ms-flex-pack:start;justify-content:flex-start;display:block;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;overflow-scrolling:touch;white-space:nowrap;font-size:0.8rem}.breadcrumbs .current{margin:0 1rem 0 0.5rem}.breadcrumbs a{margin:0 0.5rem}.breadcrumbs a:first-child{margin:0 0.5rem 0 0}.pagination{display:flex;padding:0;text-align:center;border-radius:4px;font-size:1rem}@media screen and (max-width: 576px){.pagination{font-size:0.8rem}}.pagination>li{display:inline}.pagination>li:first-child>a,.pagination>li:first-child>span{margin-left:0;border-top-left-radius:4px;border-bottom-left-radius:4px}.pagination>.active>a,.pagination>.active>a:focus,.pagination>.active>a:hover,.pagination>.active>span,.pagination>.active>span:focus,.pagination>.active>span:hover{z-index:3;color:#fff;cursor:default;background-color:#08131a;border-color:#08131a}.pagination>li>a,.pagination>li>span{position:relative;float:left;padding:0.5rem 0.8rem;margin-left:-1px;line-height:1.42857143;color:#08131a;text-decoration:none;background-color:#fff;border:1px solid #ddd}.pagination>li>a:focus,.pagination>li>a:hover,.pagination>li>span:focus,.pagination>li>span:hover{z-index:2;color:#08131a;background-color:#eee;border-color:#ddd}.pagination>li:first-child>a,.pagination>li:first-child>span{margin-left:0;border-top-left-radius:4px;border-bottom-left-radius:4px}.pagination>li:last-child>a,.pagination>li:last-child>span{border-top-right-radius:4px;border-bottom-right-radius:4px}header{box-sizing:border-box;width:100%;border-bottom:1px solid #eff3f4;background-color:#fff;position:fixed;height:60px;top:0;text-align:center;line-height:60px;z-index:10}.header_inner{display:flex;align-items:center;justify-content:space-between;max-width:1024px;height:60px;padding:0 0.8em;margin:0 auto;font-size:1.2em}.header_nav{display:flex;align-items:center}.header_nav-item{display:flex;align-items:center;margin-left:16px}.header .logo img{width:70px}.header_button{box-sizing:border-box;display:inline-block;padding:0.5rem 1.2rem;font-size:0.8rem;text-decoration:none;cursor:pointer;user-select:none}.header_login{color:#999}.header_post{font-weight:bold;color:#fff;background:#00b5ad;border:1px #00b5ad solid;border-radius:3px}@media screen and (max-width: 576px){.header_post{display:none}}.header_avatar{margin-right:0.5rem;background-color:#fff}.header_avatar img{width:40px;height:40px;border-radius:50%;border:1px solid #eff3f4;object-fit:cover}.sidebar{max-width:300px;height:100%;display:block;margin-top:59px;border:1px solid #eff3f4;border-left:none;padding:1rem;font-size:0.8rem}.sidebar_cont{margin-bottom:1rem}.sidebar h2{font-size:1rem;font-weight:700;margin-bottom:0.4rem}.sidebar_btn{background-color:#fff;border:1px solid #08131a8f;box-sizing:border-box;color:#08131a;border-radius:20px;margin-bottom:0.5rem}.sidebar_btn:not(:last-child){margin-right:0.5rem}.sidebar_btn a{color:#08131a}.sidebar_btn_selected{background-color:#08131a8f;color:#fff}.sidebar_btn_selected a{color:#fff}.sidebar_btn_text{box-sizing:border-box;display:inline-block;padding:0.5rem 1.2rem;font-size:0.8rem;text-decoration:none;cursor:pointer}.sidebar_list{display:flex;flex-wrap:wrap}#footer{width:100%;margin:auto;border:1px solid #eff3f4}@media screen and (max-width: 576px){#footer{border-left:none;border-right:none}}.footer{max-width:900px;display:block;margin:1rem auto 0;padding:1rem;font-size:0.8rem}@media screen and (max-width: 576px){.footer{width:94%;padding:0;font-size:0.6rem}}.footer_cont{margin-bottom:1rem}.footer h2{font-size:1rem;font-weight:700;margin-bottom:0.4rem}@media screen and (max-width: 576px){.footer h2{font-size:0.8rem}}.footer_btn{background-color:#fff;border:1px solid #08131a8f;box-sizing:border-box;color:#08131a;border-radius:20px;margin-bottom:0.5rem}.footer_btn:not(:last-child){margin-right:0.5rem}.footer_btn a{color:#08131a}.footer_btn_selected{background-color:#08131a8f;color:#fff}.footer_btn_selected a{color:#fff}.footer_btn_text{box-sizing:border-box;display:inline-block;padding:0.5rem 1.2rem;text-decoration:none;cursor:pointer}.footer_list{display:flex;flex-wrap:wrap}.form_wrap{padding:1rem}input.text,select.text{width:90%;margin:8px 0px 20px;padding:1rem;background:white;border:1px solid green;border-radius:6px;color:black;font-weight:400;font-size:16px}label{font-size:12px}textarea,trix-editor{width:90%;margin:8px 0px;padding:1rem;min-height:120px;resize:vertical;background:white;color:black;font-size:16px;font-weight:400;border:1px solid green;border-radius:6px}textarea.sm,trix-editor.sm{min-height:160px}.image{width:100px;margin-bottom:30px}.images{display:flex;align-items:flex-start;flex-wrap:wrap;margin-bottom:30px}.images .image_wrap{display:flex;align-items:center;margin-right:16px;margin-bottom:10px}.images img{width:50px;height:50px;border:1px solid #e6e6e6;object-fit:cover}.images input{margin-right:4px}.required:after{color:#E00;content:" *"}.check_box{margin-bottom:20px}.check_box input[type=checkbox]{display:none}.check_box label{box-sizing:border-box;cursor:pointer;display:inline-block;padding:5px 30px;position:relative;width:auto}.check_box label::before{background:#fff;border:1px solid gray;content:'';display:block;height:16px;left:5px;margin-top:-8px;position:absolute;top:50%;width:16px}.check_box label::after{border-right:3px solid green;border-bottom:3px solid green;content:'';display:block;height:9px;left:10px;margin-top:-7px;opacity:0;position:absolute;top:50%;transform:rotate(45deg);width:5px}.check_box input[type=checkbox]:checked+label::after{opacity:1}.form .trix-content{max-height:620px;overflow-y:auto}@media screen and (max-width: 576px){.form .trix-content{max-height:400px}}.delete_check{font-size:12px;margin-bottom:6px}.form_links{margin-top:1rem}.card_link_btn{display:flex;justify-content:center;align-items:center;color:#fff;font-size:0.8rem;border-radius:20px}.card_link_btn:last-child{margin-left:0.5rem}.card_link_btn a{color:#fff;font-size:0.8rem}.card_link_btn .btn{padding:0.5rem 1rem}@media screen and (max-width: 576px){.card_link_btn .btn{font-size:0.6rem;padding:0.4rem 0.8rem}}.card .easy{background-color:#5dade2}.card .normal{background-color:#58d68d}.card .hard{background-color:#f5b041}.card .very-hard{background-color:#e74c3c}.card .genre{background-color:#fff;border:1px solid #08131a8f;box-sizing:border-box;color:#08131a}.card .genre a{color:#08131a}.card li{cursor:pointer}.card li a{cursor:pointer}.card li:hover{background-color:#F0F2F2}.card li,.card_wrap{border:1px solid #eff3f4;border-bottom:none}.card li:last-child,.card_wrap:last-child{border-bottom:1px solid #eff3f4}.card_cont{padding:1rem 1rem 1rem}.card_level{display:flex;justify-content:space-between;align-items:center;padding-bottom:1rem}.card_level_left{display:flex}.card_level_right{color:#08131a8f;font-size:0.8rem}@media screen and (max-width: 576px){.card_level_right{font-size:0.6rem}}.card_level_right a{color:#08131a8f;font-size:0.8rem}@media screen and (max-width: 576px){.card_level_right a{font-size:0.6rem}}.card_title{font-size:1.2rem}.card_problem{margin-top:0.5rem}.card .card_img{width:100%;padding:1rem 0 0}.card .card_img img{border-radius:20px;width:100%;max-height:300px;object-fit:cover}.card_tag{display:flex;flex-wrap:wrap;padding:0 1rem 1rem}.card_tag a{color:#0180d5}.card_tag a:hover{text-decoration:underline}.card_tag_item{margin-right:1rem;line-height:1.8}.card_hint{padding:1rem}.card_answer{padding:1rem}.card_commentary{padding:1rem 0}.card_edit{display:flex;align-items:center;justify-content:end}.card_user{padding:0.5rem 1rem;color:#08131a8f;text-align:right}.card_user a{color:#08131a8f}.card_sub_title{margin:1rem auto}.card_share{display:block;margin:1rem auto 2rem;text-align:center}.card a.card_share_btn{display:block;text-align:center;vertical-align:middle;text-decoration:none;width:230px;margin:auto;padding:1rem 2rem;font-size:0.8rem;font-weight:bold;border:2px solid #1da1f2;background:#1da1f2;color:#fff;border-radius:2rem;transition:0.5s}.card a.card_share_btn:hover{color:#1da1f2;background:#fff}.card_comment_section{margin-top:40px;padding:30px 20px 40px;background-color:#f9f9f9}.card_comment_section h2{font-size:20px;font-weight:bold;margin-bottom:20px;color:#333}.card_comment_section .comment_item{padding:15px;margin-bottom:15px;background-color:#fff;border:1px solid #ddd;border-radius:8px}.card_comment_section .comment_item p{margin:0;line-height:1.6}.card_comment_section .comment_item p strong{display:inline-block;margin-right:10px;color:#666;font-weight:bold}.card_comment_section .form_group{margin-top:10px}.card_comment_section .form_group textarea{width:100%;padding:10px;border:1px solid #ccc;border-radius:6px;font-size:14px;resize:vertical}.card_comment_section .form_group input[type="submit"],.card_comment_section .form_group .btn-primary,.card_comment_section .form_group .btn-danger{margin-top:10px;padding:14px 16px;font-size:14px;border-radius:6px;cursor:pointer}.card_comment_section .form_group .btn-primary{background-color:#007acc;color:#fff;border:none}.card_comment_section .form_group .btn-danger{background-color:#e53935;color:#fff;border:none}.card_comment_section p{margin-top:20px;color:#666;font-size:13px}.profilePage{margin-top:24px}.profilePage_user{margin-bottom:32px;display:flex}.profilePage_user_image{display:flex;flex-direction:column;justify-content:center}.profilePage_user_image img{width:56px;height:56px}.profilePage_user_basicInfo{margin-left:16px}.profilePage_user_actionButton{display:flex;flex-direction:column;justify-content:center;font-size:12px;border-radius:4px;border:1px solid #8AC542;font-weight:bold;padding:0px 8px}.profilePage_user_actionButton a{color:#8AC542}.profilePage_user_name{display:flex;margin-bottom:8px}.profilePage_user_displayName{font-size:18px;font-weight:bold;margin-right:8px}.profilePage_user_introduction{font-size:12px}.user_profile{display:flex;flex-direction:column;justify-content:center;align-items:center;margin-bottom:1rem}.user_avatar{margin-bottom:1rem}.user_avatar img{width:100px;height:100px;border-radius:50%;object-fit:cover}.user_introduction{border:1px solid #08131a8f;border-radius:6px;padding:0.5rem 1rem;margin-top:0.5rem}