:root{--navy: #0f1729;--navy2: #151e35;--navy3: #1a2540;--navy4: #1f2d4e;--blue: #3b82f6;--blue2: #60a5fa;--teal: #14b8a6;--blue-dim: rgba(59, 130, 246, .12);--cream: #e8edf8;--gray: #8896b3;--gdim: #4a5470;--bdr: #1e2d4a;--bdr2: #253354;--accent: #f97316;--accent2: #22c55e;--danger: #ef4444;--danger-dim: rgba(239, 68, 68, .12);--pill-orange-bg: rgba(249, 115, 22, .15);--pill-orange-fg: #fb923c;--pill-orange-bd: rgba(249, 115, 22, .3);--pill-green-bg: rgba(34, 197, 94, .12);--pill-green-fg: #4ade80;--pill-green-bd: rgba(34, 197, 94, .25);--pill-blue-bg: rgba(59, 130, 246, .15);--pill-blue-fg: var(--blue2);--pill-blue-bd: rgba(59, 130, 246, .3);--font-display: "Bebas Neue", sans-serif;--font-body: "Inter", ui-sans-serif, system-ui, -apple-system, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", "Noto Sans JP", "Segoe UI", sans-serif;--font-mono: "Space Mono", monospace;--gutter: 52px;--space-section: 88px;--space-section-lg: 104px;--space-section-xl: 124px;--space-card: 44px;--r-sm: 2px;--r: 4px;--r-pill: 20px;--surface-base: var(--navy);--surface: var(--navy2);--surface-raised: var(--navy3);--surface-overlay: var(--navy4);--text: var(--cream);--text-muted: var(--gray);--text-faint: var(--gdim);--border: var(--bdr);--border-strong: var(--bdr2);--primary: var(--blue);--primary-hover: var(--blue2);--primary-dim: var(--blue-dim);--focus: var(--blue2);--success: var(--teal);--level-beginner-fg: #4ade80;--level-beginner-bg: rgba(34, 197, 94, .14);--level-intermediate-fg: #60a5fa;--level-intermediate-bg: rgba(59, 130, 246, .14);--level-advanced-fg: #fb923c;--level-advanced-bg: rgba(249, 115, 22, .14)}:root[data-theme=light]{--navy: #eaedf2;--navy2: #ffffff;--navy3: #f1f3f7;--navy4: #e6eaf1;--cream: #15212c;--gray: #536170;--gdim: #808c99;--bdr: #d7dce4;--bdr2: #c3cad6;--blue: #2563eb;--blue2: #1d4ed8;--blue-dim: rgba(37, 99, 235, .09);--level-beginner-fg: #15803d;--level-beginner-bg: rgba(34, 197, 94, .13);--level-intermediate-fg: #1d4ed8;--level-intermediate-bg: rgba(37, 99, 235, .11);--level-advanced-fg: #c2410c;--level-advanced-bg: rgba(249, 115, 22, .13)}@font-face{font-family:Bebas Neue;font-style:normal;font-weight:400;font-display:swap;src:url(/build/assets/font-cab3b34d-9mHNbWWO.woff2) format("woff2")}@font-face{font-family:Space Mono;font-style:normal;font-weight:400;font-display:swap;src:url(/build/assets/font-14bc7099-Rg4St2Dn.woff2) format("woff2")}@font-face{font-family:Space Mono;font-style:normal;font-weight:700;font-display:swap;src:url(/build/assets/font-531807a2-mWgeinG7.woff2) format("woff2")}@font-face{font-family:"Noto Serif JP";font-style:normal;font-weight:300;font-display:swap;src:url(/build/assets/font-c40cba40-_ZPJZQRr.woff2) format("woff2")}@font-face{font-family:"Noto Serif JP";font-style:normal;font-weight:400;font-display:swap;src:url(/build/assets/font-fab36468-DzqdXFWD.woff2) format("woff2")}@font-face{font-family:"Noto Serif JP";font-style:normal;font-weight:700;font-display:swap;src:url(/build/assets/font-ab299b46-sR4zo45n.woff2) format("woff2")}._accordion_tpufh_1{border-bottom:1px solid var(--bdr)}._header_tpufh_2{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 0;background:transparent;border:none;cursor:pointer;color:var(--cream);font-size:20px;font-weight:700;text-align:left}._title_tpufh_3{line-height:1.3}._chevron_tpufh_4{color:var(--gdim);font-size:18px;transition:transform .2s;transform:rotate(180deg)}._accordion_tpufh_1[data-open=true] ._chevron_tpufh_4{transform:rotate(0);color:var(--blue2)}._body_tpufh_6{padding:4px 0 24px}._avatar_1natp_1{display:inline-flex;align-items:center;justify-content:center;border-radius:50%;overflow:hidden;flex-shrink:0;font-family:var(--font-display);letter-spacing:.04em}._sm_1natp_2{width:32px;height:32px;font-size:13px}._md_1natp_3{width:40px;height:40px;font-size:16px}._lg_1natp_4{width:56px;height:56px;font-size:22px}._blue_1natp_5{background:var(--blue);color:#fff}._navy_1natp_6{background:var(--navy3);color:var(--cream);border:1px solid var(--bdr2)}._img_1natp_7{width:100%;height:100%;object-fit:cover}._icon_1natp_8{font-size:1.1em;line-height:1}._initials_1natp_9{line-height:1}._button_nr3lt_1{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;text-decoration:none;cursor:pointer;display:inline-block;border-radius:var(--r);transition:background .18s,border-color .18s,color .18s,transform .1s}._primary_nr3lt_12{background:var(--blue);color:#fff;border:none;padding:15px 38px;font-weight:700}._primary_nr3lt_12:hover{background:var(--blue2);transform:translateY(-1px)}._ghost_nr3lt_17{background:transparent;color:var(--cream);border:1px solid var(--bdr2);padding:15px 38px}._ghost_nr3lt_17:hover{border-color:var(--blue);color:var(--blue2)}._cta_nr3lt_22{background:transparent;color:var(--blue2);border:1px solid var(--blue);padding:7px 18px}._cta_nr3lt_22:hover{background:var(--blue);color:#fff}._danger_nr3lt_27{background:var(--danger);color:#fff;border:none;padding:15px 38px;font-weight:700}._danger_nr3lt_27:hover{filter:brightness(1.08);transform:translateY(-1px)}._sm_nr3lt_32{padding:8px 20px;font-size:10px}._tag_15hjg_1{display:inline-block;font-family:var(--font-mono);font-size:10px;letter-spacing:.08em;padding:5px 12px;border-radius:var(--r-pill)}._orange_15hjg_9{background:var(--pill-orange-bg);color:var(--pill-orange-fg);border:1px solid var(--pill-orange-bd)}._green_15hjg_10{background:var(--pill-green-bg);color:var(--pill-green-fg);border:1px solid var(--pill-green-bd)}._blue_15hjg_11{background:var(--pill-blue-bg);color:var(--pill-blue-fg);border:1px solid var(--pill-blue-bd)}._eyebrow_9bpoo_1{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--bdr2);background:var(--blue-dim);padding:5px 18px;font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;color:var(--blue2);text-transform:uppercase;border-radius:var(--r-sm)}._dot_9bpoo_15{width:5px;height:5px;background:var(--blue2);border-radius:50%;flex-shrink:0;animation:_pulse_9bpoo_1 2s infinite}@keyframes _pulse_9bpoo_1{0%,to{opacity:1}50%{opacity:.2}}._label_zq6t0_1{font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;color:var(--blue2);text-transform:uppercase}._rule_zq6t0_8{display:flex;align-items:center;gap:16px}._rule_zq6t0_8>span{flex-shrink:0}._rule_zq6t0_8:after{content:"";flex:1;height:1px;background:var(--bdr)}._center_zq6t0_11{justify-content:center}._plain_zq6t0_12{display:block}._heading_18nck_1{font-family:var(--font-display);line-height:.86;letter-spacing:-.01em}._hero_18nck_6{font-size:clamp(40px,6.5vw,88px);line-height:.95}._catch_18nck_7{font-size:clamp(52px,8.5vw,122px);line-height:.87}._section_18nck_8{font-size:clamp(44px,5vw,74px);line-height:.95}._sub_18nck_9{font-size:clamp(28px,3vw,40px);line-height:1}._line_18nck_10{display:block}._solid_18nck_11{color:var(--cream)}._stroke_18nck_12{color:transparent;-webkit-text-stroke:2px var(--blue2)}._accent_18nck_13{color:var(--blue2)}._heading_18nck_1:lang(ja){font-family:Hiragino Kaku Gothic ProN,Hiragino Sans,Yu Gothic,YuGothic,Noto Sans JP,sans-serif;font-weight:700;letter-spacing:normal;line-height:1.28;line-break:strict}._hero_18nck_6:lang(ja){font-size:clamp(30px,4.4vw,58px);line-height:1.28}._catch_18nck_7:lang(ja){font-size:clamp(34px,5vw,66px);line-height:1.28}._section_18nck_8:lang(ja){font-size:clamp(28px,3.4vw,46px);line-height:1.3}._sub_18nck_9:lang(ja){font-size:clamp(20px,2.4vw,30px);line-height:1.3}._stroke_18nck_12:lang(ja){color:var(--cream);-webkit-text-stroke:0}._pull_rf93o_1{border-left:2px solid var(--blue);padding:18px 26px;background:var(--blue-dim);font-size:15px;line-height:1.85;color:var(--cream);font-style:italic;border-radius:0 var(--r) var(--r) 0}._logo_1pgj6_1{font-family:var(--font-display);letter-spacing:.12em}._md_1pgj6_2{font-size:22px}._sm_1pgj6_3{font-size:18px}._n1_1pgj6_4{color:var(--cream)}._n2_1pgj6_5{color:var(--blue2)}._card_fcuon_1{padding:var(--space-card) 36px;transition:background .25s}._navy_fcuon_2{background:var(--navy)}._navy2_fcuon_3,._navy_fcuon_2._hover_fcuon_4:hover{background:var(--navy2)}._navy2_fcuon_3._hover_fcuon_4:hover{background:var(--navy3)}._grid_c8b0d_1{display:grid;background:var(--bdr);border-radius:var(--r);overflow:hidden}._hair_c8b0d_7{gap:1px}._thin_c8b0d_8{gap:2px}._cols1_c8b0d_9{grid-template-columns:1fr}._cols2_c8b0d_10{grid-template-columns:repeat(2,1fr)}._cols3_c8b0d_11{grid-template-columns:repeat(3,1fr)}@media (max-width: 768px){._cols2_c8b0d_10,._cols3_c8b0d_11{grid-template-columns:1fr}}._switch_i4isj_1{display:inline-flex;border:1px solid var(--bdr2);border-radius:var(--r);overflow:hidden}._btn_i4isj_2{background:transparent;border:none;color:var(--gdim);font-family:var(--font-mono);font-size:10px;letter-spacing:.15em;padding:7px 14px;cursor:pointer;transition:background .18s,color .18s}._btn_i4isj_2+._btn_i4isj_2{border-left:1px solid var(--bdr2)}._btn_i4isj_2._on_i4isj_8{background:var(--blue);color:#fff;font-weight:700}._btn_i4isj_2:not(._on_i4isj_8):hover{color:var(--blue2)}._iconButton_5lxpk_1{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:var(--r);cursor:pointer;transition:background .18s,border-color .18s,color .18s}._ghost_5lxpk_2{background:transparent;border:1px solid var(--bdr2);color:var(--gray)}._ghost_5lxpk_2:hover{color:var(--blue2);border-color:var(--blue)}._solid_5lxpk_4{background:var(--blue);border:none;color:#fff}._solid_5lxpk_4:hover{background:var(--blue2)}._icon_5lxpk_1{display:inline-flex;font-size:18px;line-height:1}._wrap_mmb11_1{display:flex;align-items:center;gap:12px}._track_mmb11_2{flex:1;height:8px;background:var(--navy3);border-radius:var(--r-pill);overflow:hidden}._fill_mmb11_3{height:100%;border-radius:var(--r-pill);transition:width .3s ease}._blue_mmb11_4 ._fill_mmb11_3{background:var(--blue)}._accent_mmb11_5 ._fill_mmb11_3{background:var(--accent)}._teal_mmb11_6 ._fill_mmb11_3{background:var(--teal)}._pill_mmb11_7{font-family:var(--font-mono);font-size:11px;font-weight:700;color:#fff;background:var(--accent);padding:4px 12px;border-radius:var(--r-pill);white-space:nowrap}._option_1sryl_1{display:flex;align-items:center;gap:14px;padding:16px 18px;border:1px solid var(--bdr2);border-radius:var(--r);cursor:pointer;transition:border-color .18s,background .18s;color:var(--cream);font-family:var(--font-body);font-size:15px}._option_1sryl_1:hover{border-color:var(--blue)}._selected_1sryl_3{border-color:var(--blue);background:var(--blue-dim)}._input_1sryl_4{position:absolute;opacity:0;width:0;height:0}._dot_1sryl_5{width:18px;height:18px;border-radius:50%;border:2px solid var(--gdim);flex-shrink:0;position:relative;transition:border-color .18s}._selected_1sryl_3 ._dot_1sryl_5{border-color:var(--blue)}._selected_1sryl_3 ._dot_1sryl_5:after{content:"";position:absolute;top:3px;right:3px;bottom:3px;left:3px;border-radius:50%;background:var(--blue)}._input_1sryl_4:focus-visible+._dot_1sryl_5{outline:2px solid var(--blue2);outline-offset:2px}._label_1sryl_9{flex:1}._option_1sryl_1[data-state]{cursor:default}._option_1sryl_1[data-state]:hover{border-color:var(--bdr2)}._option_1sryl_1[data-state=correct]{border-color:var(--teal);background:color-mix(in srgb,var(--teal) 14%,transparent)}._option_1sryl_1[data-state=correct] ._dot_1sryl_5{border-color:var(--teal)}._option_1sryl_1[data-state=wrong]{border-color:var(--danger);background:color-mix(in srgb,var(--danger) 14%,transparent)}._option_1sryl_1[data-state=wrong] ._dot_1sryl_5{border-color:var(--danger)}._badge_1szm7_1{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:3px 9px;border-radius:var(--r-pill);white-space:nowrap}._dot_1szm7_2{width:7px;height:7px;border-radius:50%;background:currentColor;box-shadow:0 0 0 3px color-mix(in srgb,currentColor 18%,transparent)}._badge_1szm7_1[data-level=beginner]{color:var(--level-beginner-fg);background:var(--level-beginner-bg)}._badge_1szm7_1[data-level=intermediate]{color:var(--level-intermediate-fg);background:var(--level-intermediate-bg)}._badge_1szm7_1[data-level=advanced]{color:var(--level-advanced-fg);background:var(--level-advanced-bg)}._meta_cteka_1{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:12px;letter-spacing:.02em;color:var(--text-faint)}._field_1k0ef_1{display:flex;flex-direction:column;gap:8px;width:100%}._label_1k0ef_2{font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--gray)}._inputWrap_1k0ef_3{display:flex;align-items:center;background:var(--navy2);border:1px solid var(--bdr2);border-radius:8px;transition:border-color .15s}._inputWrap_1k0ef_3:focus-within{border-color:var(--blue)}._inputWrap_1k0ef_3[data-error=true]{border-color:var(--danger)}._inputWrap_1k0ef_3[data-multiline=true]{align-items:stretch}._inputWrap_1k0ef_3[data-multiline=true] ._input_1k0ef_3{resize:vertical;min-height:72px;line-height:1.6}._input_1k0ef_3{flex:1;background:transparent;border:none;outline:none;color:var(--cream);font-family:var(--font-body);font-size:15px;padding:13px 16px;min-width:0}._input_1k0ef_3::placeholder{color:var(--gdim)}._adornment_1k0ef_10{display:flex;align-items:center;padding-right:10px;color:var(--gray)}._errorText_1k0ef_11{font-size:12px;color:var(--danger)}._checkbox_tb7ze_1{display:inline-flex;align-items:center;gap:10px;cursor:pointer;-webkit-user-select:none;user-select:none}._input_tb7ze_2{position:absolute;opacity:0;width:0;height:0}._box_tb7ze_3{width:18px;height:18px;flex-shrink:0;border:1px solid var(--bdr2);border-radius:4px;background:var(--navy2);position:relative;transition:background .15s,border-color .15s}._input_tb7ze_2:checked+._box_tb7ze_3{background:var(--blue);border-color:var(--blue)}._input_tb7ze_2:checked+._box_tb7ze_3:after{content:"";position:absolute;left:5px;top:1px;width:5px;height:9px;border:solid var(--cream);border-width:0 2px 2px 0;transform:rotate(45deg)}._input_tb7ze_2:focus-visible+._box_tb7ze_3{outline:2px solid var(--blue2);outline-offset:2px}._label_tb7ze_7{font-size:13px;color:var(--gray)}._spinner_p4sc7_1{display:inline-block;box-sizing:border-box;border:3px solid var(--bdr2);border-top-color:var(--blue);border-radius:50%;animation:_spin_p4sc7_1 .7s linear infinite}@keyframes _spin_p4sc7_1{to{transform:rotate(360deg)}}._notice_hfzrx_1{padding:12px 16px;border-radius:8px;font-size:14px;line-height:1.5;border:1px solid transparent}._info_hfzrx_8{background:color-mix(in srgb,var(--blue) 12%,transparent);border-color:color-mix(in srgb,var(--blue) 35%,transparent);color:var(--blue2)}._error_hfzrx_13{background:color-mix(in srgb,var(--danger) 12%,transparent);border-color:color-mix(in srgb,var(--danger) 35%,transparent);color:var(--danger)}._success_hfzrx_18{background:color-mix(in srgb,var(--teal) 12%,transparent);border-color:color-mix(in srgb,var(--teal) 35%,transparent);color:var(--teal)}._root_3xqg2_1{position:relative;display:inline-flex}._menu_3xqg2_6{position:absolute;top:calc(100% + 6px);z-index:50;min-width:160px;padding:6px;background:var(--navy2);border:1px solid var(--bdr2);border-radius:10px;box-shadow:0 16px 40px -12px #0009;display:flex;flex-direction:column;gap:2px}._end_3xqg2_20{right:0}._start_3xqg2_23{left:0}._item_3xqg2_27{display:flex;align-items:center;gap:8px;width:100%;padding:9px 12px;border:none;border-radius:6px;background:transparent;color:var(--cream);font-family:var(--font-body);font-size:14px;text-align:left;cursor:pointer;transition:background .12s ease}._item_3xqg2_27:hover:not(:disabled),._item_3xqg2_27:focus-visible{background:var(--navy3);outline:none}._item_3xqg2_27:disabled{opacity:.5;cursor:not-allowed}._danger_3xqg2_52{color:var(--danger)}._separator_3xqg2_56{height:1px;margin:4px 0;background:var(--bdr)}._dialog_go853_1{padding:0;border:none;background:transparent;max-width:92vw;color:var(--cream)}._dialog_go853_1::backdrop{background:#050a14b3;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}._sm_go853_12{width:400px}._md_go853_15{width:560px}._panel_go853_19{display:flex;flex-direction:column;max-height:86vh;background:var(--navy2);border:1px solid var(--bdr2);border-radius:14px;overflow:hidden;box-shadow:0 24px 60px -20px #000000b3}._header_go853_30{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 20px;border-bottom:1px solid var(--bdr)}._title_go853_38{margin:0;font-size:18px;font-weight:600;color:var(--cream)}._close_go853_44{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border:none;border-radius:8px;background:transparent;color:var(--gray);cursor:pointer;transition:background .12s ease,color .12s ease}._close_go853_44:hover{background:var(--navy3);color:var(--cream)}._body_go853_64{padding:20px;overflow:auto}._footer_go853_69{display:flex;justify-content:flex-end;gap:10px;padding:16px 20px;border-top:1px solid var(--bdr)}._tablist_aaq9o_1{display:flex;gap:4px;border-bottom:1px solid var(--bdr)}._tab_aaq9o_1{position:relative;display:inline-flex;align-items:center;gap:8px;padding:12px 16px;margin-bottom:-1px;border:none;border-bottom:2px solid transparent;background:none;color:var(--gray);font-family:var(--font-body);font-size:14px;font-weight:600;white-space:nowrap;cursor:pointer;transition:color .15s ease,border-color .15s 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