:root{--bg:#f4f5f8;--surface:#fff;--text:#1c2130;--text-sub:#5b6472;--border:#e3e6ec;--accent:#4f46e5;--accent-soft:#eef0fe;--danger:#e5484d;--ok:#2fa860;--star:#f0b429;--radius:14px;--shadow:0 1px 2px #1418280d, 0 4px 16px #1418280f;--on-accent:#fff;--accent-ink:#3f3fae;--accent-line:#dcdffb;--disabled:#b9bdd8;--surface-sub:#fafbfd;--track:#dde0e8;--muted:#aab0bf;--danger-soft:#fdecec;--code-bg:#eef0f5;--radius-md:12px;--radius-sm:10px;--radius-xs:8px;--fs-xs:.8rem;--fs-sm:.88rem;--fs-base:.95rem;--fs-md:1.05rem;--fs-lg:1.25rem;--fs-xl:1.5rem}*{box-sizing:border-box;margin:0;padding:0}html{font-size:16px}body{background:var(--bg);color:var(--text);font-family:var(--font-noto), "Hiragino Sans", "Yu Gothic", sans-serif;-webkit-font-smoothing:antialiased;line-height:1.7}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}input,textarea,select{font-family:inherit;font-size:1rem}.container{max-width:960px;margin:0 auto;padding:0 20px}.site-header{z-index:10;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);background:#ffffffeb;position:sticky;top:0}.site-header-inner{justify-content:space-between;align-items:center;height:60px;display:flex}.site-logo{font-weight:700;font-size:var(--fs-md);letter-spacing:.02em}.btn{border-radius:var(--radius-sm);font-size:var(--fs-base);border:1px solid #0000;justify-content:center;align-items:center;gap:6px;padding:10px 22px;font-weight:600;transition:background .15s,border-color .15s,transform 50ms;display:inline-flex}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--surface);border-color:var(--accent);color:var(--accent)}.btn-primary:hover:not(:disabled){background:var(--accent-soft)}.btn-primary[aria-disabled=true]{cursor:not-allowed}.btn-primary[aria-disabled=true]:hover{background:var(--surface)}.btn-primary:disabled{border-color:var(--disabled);color:var(--muted);cursor:not-allowed}.btn-ghost{border-color:var(--border);color:var(--text);background:var(--surface)}.btn-ghost:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.btn-ghost:disabled{color:var(--muted);cursor:not-allowed}.btn-lg{font-size:var(--fs-md);border-radius:var(--radius-md);padding:13px 34px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.hero{text-align:center;padding:56px 0 36px}.hero h1{letter-spacing:.01em;font-size:2rem;font-weight:700}.hero p{color:var(--text-sub);max-width:620px;font-size:var(--fs-base);margin-top:12px;margin-left:auto;margin-right:auto}.notice{background:var(--accent-soft);border:1px solid var(--accent-line);max-width:640px;color:var(--accent-ink);border-radius:var(--radius-sm);font-size:var(--fs-sm);text-align:center;margin:0 auto 28px;padding:10px 16px}.survey-note{font-size:var(--fs-base);margin-top:28px}.survey-link{color:var(--accent);text-underline-offset:3px;font-weight:700;text-decoration:underline}.survey-link:hover{color:var(--accent-ink)}.site-note{color:var(--text-sub);font-size:var(--fs-xs)}.site-note+section .category-title{margin-top:12px}.category-title{align-items:baseline;gap:10px;margin:34px 0 14px;display:flex}.category-title h2{font-size:var(--fs-lg);font-weight:700}.category-title .code{color:var(--text-sub);font-size:var(--fs-sm);letter-spacing:.04em;font-weight:700}.test-grid{grid-template-columns:1fr;gap:16px;display:grid}.test-card{flex-direction:column;gap:10px;padding:22px;display:flex}.test-card-head{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.test-card-head .btn{flex-shrink:0}.test-card-head h3{margin-bottom:2px}.test-card h3{font-size:var(--fs-md);font-weight:700}.test-desc{color:var(--text-sub);font-size:var(--fs-sm);flex-grow:1}.runner{max-width:760px;margin:0 auto;padding:32px 20px 80px}.runner-intro{text-align:center;padding:40px 36px}.runner-intro h1{font-size:var(--fs-xl);margin-bottom:6px}.runner-intro .cat,.result-card .cat{color:var(--accent);font-size:var(--fs-sm);margin-bottom:14px;font-weight:600}.runner-intro .desc{color:var(--text-sub);font-size:var(--fs-base);max-width:480px;margin:0 auto 20px}.runner-intro .step-title{font-size:var(--fs-lg);margin-bottom:6px;font-weight:700}.rule-list{flex-wrap:wrap;justify-content:center;gap:26px;margin-bottom:28px;display:flex}.rule-item{text-align:center}.rule-item .num{font-size:var(--fs-md);color:var(--text);font-weight:700}.rule-item .lbl{font-size:var(--fs-xs);color:var(--text-sub)}.runner-head{min-height:28px;font-size:var(--fs-sm);color:var(--text-sub);justify-content:space-between;align-items:center;margin-bottom:10px;display:flex}.runner-head .prog{color:var(--text);font-weight:600}.runner-head .prog-total{font-weight:400}.timer-sec{font-variant-numeric:tabular-nums;color:var(--text);font-weight:700}.timer-sec.low{color:var(--danger)}.q-card{-webkit-user-select:none;user-select:none;padding:34px 30px}.q-card input{-webkit-user-select:text;user-select:text}.choice-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;max-width:460px;margin:0 auto;display:grid}.meaning-grid{grid-template-columns:1fr;max-width:560px}.meaning-grid .choice-btn{text-align:left;font-size:1rem}.choice-btn{color:var(--text);background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-md);padding:14px 12px;font-size:1.05rem;font-weight:600;transition:border-color .12s,background .12s}.choice-btn:hover:not(:disabled){background:var(--accent-soft)}.choice-btn.selected{background:var(--accent-soft);border-color:var(--accent);outline:2px solid var(--accent);outline-offset:-2px}.choice-btn:disabled{cursor:not-allowed}.fill-pair{text-align:center;margin-bottom:26px}.fill-line{font-size:1.7rem;font-weight:700;line-height:1.5}.fill-prompt{margin-bottom:8px;font-size:1.25rem}.fill-blank{color:var(--accent);letter-spacing:-.05em}.fill-hint{color:var(--text-sub);margin-top:12px;font-size:.9rem}.fill-hint span{color:var(--text);letter-spacing:.08em;margin-left:8px;font-size:1.15rem;font-weight:700}.input-row{gap:10px;max-width:420px;margin:0 auto;display:flex}.input-row input{border:1.5px solid var(--border);border-radius:var(--radius-sm);flex:1;width:100%;min-width:0;padding:12px 16px;font-size:1.1rem}.input-row input:focus{border-color:var(--accent);outline:none}.input-row input:invalid,.input-row input:invalid:focus{border-color:var(--danger);background:var(--danger-soft)}.pattern-wrap{justify-content:center;margin-bottom:24px;display:flex}.pattern-grid{background:var(--border);border-radius:var(--radius-xs);gap:3px;padding:3px;display:grid}.pattern-cell{background:var(--surface);border-radius:3px;justify-content:center;align-items:center;display:flex}.pattern-cell.blank{background:var(--surface);color:var(--text);outline:2px dashed var(--muted);outline-offset:-2px;justify-content:center;align-items:center;font-weight:700;display:flex}.graph-wrap{justify-content:center;gap:18px;margin-bottom:20px;display:flex}.graph-panel{text-align:center;flex:0 240px;min-width:0}.graph-panel .graph-label{font-size:var(--fs-xs);color:var(--text-sub);margin-bottom:4px;font-weight:600}.graph-panel svg{background:var(--surface-sub);border:1px solid var(--border);border-radius:var(--radius-md);width:100%;height:auto;display:block}.blank-answers{flex-direction:column;align-items:center;gap:12px;display:flex}.blank-row{align-items:center;gap:12px;display:flex}.blank-row .blank-label{text-align:center;width:32px;font-size:1.05rem;font-weight:700}.mark-btns{flex-wrap:wrap;gap:8px;display:flex}.mark-btn{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-sm);justify-content:center;align-items:center;width:44px;height:44px;padding:0;display:inline-flex}.mark-btn:hover{background:var(--accent-soft)}.mark-btn.selected{background:var(--accent-soft);border-color:var(--accent);outline:2px solid var(--accent);outline-offset:-2px}@media (max-width:560px){.graph-wrap{gap:8px}.blank-row{gap:6px}.blank-row .blank-label{width:22px}.mark-btns{flex-wrap:nowrap;gap:5px}.blank-row .mark-btn{width:clamp(28px,16.6667vw - 22.6667px,36px);height:clamp(28px,16.6667vw - 22.6667px,36px)}.blank-row .mark-btn svg{width:62%;height:62%}}.mark-btn.blank-paint{color:var(--text-sub);border-style:dashed;font-weight:700}.submit-row{text-align:center;margin-top:24px}.result-card{text-align:center;padding:40px 36px}.result-card h1{font-size:var(--fs-xl);margin-bottom:4px}.result-card .sub{color:var(--text-sub);font-size:var(--fs-sm);margin-bottom:24px}.result-actions{flex-wrap:wrap;justify-content:center;gap:12px;margin-top:30px;display:flex}.page-end{height:60px}footer.site-footer{border-top:1px solid var(--border);text-align:center;color:var(--text-sub);font-size:var(--fs-xs);padding:26px 0 40px}@media (max-width:560px){.hero h1{font-size:1.5rem}.q-card,.runner-intro,.result-card{padding:24px 18px}.fill-line{font-size:1.35rem}.fill-prompt{font-size:1.05rem}}.memory-blank{justify-content:center;align-items:center;gap:18px;min-height:182px;display:flex}.convert-table{gap:36px;display:flex}.convert-col{font-variant-numeric:tabular-nums;flex-direction:column;align-items:center;gap:10px;font-size:2.4rem;font-weight:700;line-height:1;display:flex}@media (max-width:560px){.convert-table{gap:24px}}.path-board{width:100%;max-width:380px;height:auto;margin:0 auto;display:block}.path-target{fill:#0000;cursor:pointer}.path-target:hover{fill:var(--accent);fill-opacity:.12}.is-placeholder{visibility:hidden}.path-count{text-align:center;color:var(--text-sub);font-size:var(--fs-sm);font-variant-numeric:tabular-nums;margin-top:12px}.path-actions{flex-wrap:wrap;justify-content:center;gap:12px;margin-top:20px;display:flex}.practice-tag{background:var(--accent-soft);color:var(--accent);font-size:var(--fs-xs);vertical-align:2px;border-radius:999px;margin-right:4px;padding:1px 8px;font-weight:700;display:inline-block}.practice-result{border-top:1px solid var(--border);margin-top:22px;padding-top:18px}.verdict{font-size:var(--fs-lg);justify-content:center;align-items:baseline;gap:14px;font-weight:700;display:flex}.verdict.ok{color:var(--ok)}.verdict.ng{color:var(--danger)}.verdict .answer{color:var(--text);font-size:var(--fs-base);font-weight:600}.verdict-answer{color:var(--text);font-size:var(--fs-base);flex-wrap:wrap;justify-content:center;align-items:center;margin-top:6px;font-weight:600;display:flex}.explanation-mark{vertical-align:-.2em;margin:0 1px;display:inline-block}.answer-mark{align-items:center;gap:2px;margin-left:8px;display:inline-flex}.practice-result .explanation{text-align:center;max-width:560px;color:var(--text-sub);font-size:var(--fs-base);margin:12px auto 0;line-height:1.9}.practice-actions{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.practice-result .verdict+.practice-actions{margin-top:16px}.retry-note{color:var(--text);font-weight:700}.speed-grid{--speed-cell:64px;grid-template-columns:repeat(3, var(--speed-cell));grid-auto-rows:var(--speed-cell);justify-content:center;display:grid}.speed-cell{-webkit-user-select:none;user-select:none;justify-content:center;align-items:center;padding:0;line-height:0;display:flex}.speed-btn{background:var(--surface);cursor:pointer;border:none}.diff-boards{flex-direction:column;align-items:center;gap:16px;display:flex}.diff-board{border:1.5px solid var(--border);border-radius:var(--radius-md);width:fit-content;padding:6px}.diff-board .speed-btn{border-radius:var(--radius-sm)}.pattern-choices{grid-template-columns:repeat(2,112px);justify-content:center;gap:12px;padding:10px 0;display:grid}.pattern-choice{border:1.5px solid var(--border);border-radius:var(--radius-md);-webkit-user-select:none;user-select:none;justify-content:center;align-items:center;gap:8px;padding:12px 0;line-height:0;display:flex}@media (max-width:560px){.speed-grid{--speed-cell:56px}.pattern-choices{grid-template-columns:repeat(2,108px);gap:10px}}.editor{padding-bottom:80px}.editor-note{font-size:var(--fs-sm);color:var(--text-sub);margin-bottom:18px}.editor-note code{background:var(--code-bg);border-radius:var(--radius-xs);font-size:var(--fs-xs);padding:1px 6px}.editor-tabs{flex-wrap:wrap;gap:6px;margin-bottom:14px;display:flex}.editor-tab{border:1.5px solid var(--border);background:var(--surface);border-radius:var(--radius-xs);min-width:34px;height:34px;font-size:var(--fs-sm);color:var(--text-sub);padding:0 8px;font-weight:600}.editor-tab:hover{border-color:var(--accent);color:var(--accent)}.editor-tab.active{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}.editor-tab.add{color:var(--accent)}.editor-toolbar,.editor-row{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:14px;display:flex}.btn-sm{font-size:var(--fs-xs);border-radius:var(--radius-xs);padding:6px 12px}.btn-ghost.danger:hover{border-color:var(--danger);color:var(--danger)}.editor-label{font-size:var(--fs-sm);font-weight:700}.editor-hint{font-size:var(--fs-xs);color:var(--text-sub)}.editor-row label{font-size:var(--fs-sm);align-items:center;gap:6px;font-weight:600;display:inline-flex}.editor-row input[type=number]{border:1.5px solid var(--border);border-radius:var(--radius-xs);width:68px;padding:6px 8px}.editor-main{grid-template-columns:minmax(0,auto) minmax(260px,1fr);align-items:start;gap:32px;display:grid}.editor-grid-wrap{margin-bottom:16px;display:inline-block}.editor-cell{cursor:pointer;color:var(--text);border:none;padding:0;font-weight:700}.editor-cell:hover{outline:2px solid var(--accent);outline-offset:-2px}.editor-error{color:var(--danger);font-size:var(--fs-sm);background:var(--danger-soft);border-radius:var(--radius-sm);padding:10px 14px}.editor-error ul{margin:6px 0 0 18px}.editor-save{flex-direction:column;align-items:flex-start;gap:12px;margin-top:30px;display:flex}.editor-status{font-size:var(--fs-sm);color:var(--ok);font-weight:600}.mode-switch{gap:8px;display:inline-flex}.mode-switch .btn.on{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}.editor-textarea{border:1.5px solid var(--border);border-radius:var(--radius-sm);width:100%;max-width:620px;font-size:var(--fs-base);resize:vertical;padding:10px 12px;line-height:1.8}.editor-textarea:focus{border-color:var(--accent);outline:none}@media (max-width:860px){.editor-main{grid-template-columns:1fr}}.result-table-card{padding:8px 22px}.result-table{border-collapse:collapse;width:100%;font-size:var(--fs-base)}.result-table th,.result-table td{text-align:left;border-top:1px solid var(--border);padding:12px 8px}.result-table tbody tr:first-child>*{border-top:none}.result-table .cat-cell{white-space:nowrap;vertical-align:top;width:1%;padding-right:24px;font-weight:700}.result-table .score-col{text-align:right;color:var(--text-sub);font-variant-numeric:tabular-nums;font-weight:700}.result-table .score-col.is-done{color:var(--ok)}@media (max-width:560px){.result-table-card{padding:4px 14px}.result-table .cat-cell{white-space:normal;width:6.5em;padding-right:12px}}.raw-score{margin:20px auto 4px}.raw-score-label{color:var(--text-sub);font-size:var(--fs-sm);font-weight:600}.raw-score-value{color:var(--ok);font-variant-numeric:tabular-nums;font-size:3rem;font-weight:700;line-height:1.2}.graph-editor-main{grid-template-columns:minmax(0,auto) minmax(300px,1fr)}.graph-canvas{background:var(--surface-sub);border:1px solid var(--border);border-radius:var(--radius-md)}.vertex-chips{flex-wrap:wrap;gap:8px;margin-top:8px;display:flex}.vertex-chip{border:1.5px solid var(--border);background:var(--surface);font-size:var(--fs-sm);color:var(--text-sub);border-radius:999px;align-items:center;gap:5px;padding:6px 12px;font-weight:600;display:inline-flex}.vertex-chip:hover{border-color:var(--accent);color:var(--accent)}.vertex-chip.on{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}.chip-idx{font-size:var(--fs-base)}.perm-table{border-collapse:collapse;font-size:var(--fs-sm);margin-top:8px}.perm-table th,.perm-table td{text-align:left;vertical-align:middle;padding:6px 12px 6px 0}.perm-table th{font-size:var(--fs-xs);color:var(--text-sub);font-weight:600}.perm-table select{border:1.5px solid var(--border);border-radius:var(--radius-xs);padding:5px 8px}.perm-table .mark-btn{width:34px;height:34px}@media (max-width:560px){.memory-table .map-grid{grid-template-columns:repeat(10,minmax(22px,1fr));gap:3px 2px;font-size:1.1rem}}