:root{font-family:system-ui,-apple-system,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;color-scheme:dark;--bg:#10111f;--surface:#1b1d31;--panel:#202238;--muted:#a1a5be;--text:#f7f7fc;--line:#34374f;--lime:#cbff75;--purple:#9f7bff;--pink:#ff89cb;--blue:#7cdbff}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);line-height:1.55}button,input,select,textarea{font:inherit}button{cursor:pointer;touch-action:manipulation}button:disabled{opacity:.55;cursor:not-allowed}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid var(--blue);outline-offset:3px}a{text-decoration:none;color:inherit}[hidden]{display:none!important}h1,h2,h3,p{margin-top:0}h1,h2,h3{letter-spacing:-.045em}h1{line-height:1.17}p{color:var(--muted)}.app-shell{display:flex;min-height:100vh}.sidebar{position:fixed;left:0;top:0;bottom:0;width:256px;border-right:1px solid #34364a;background:#141525;padding:29px 17px;display:flex;flex-direction:column;z-index:8;overflow-y:auto}.brand{display:flex;gap:12px;align-items:center;padding:1px 12px 29px;font-size:23px;font-weight:1000;letter-spacing:-.07em}.brand b,.brand small{color:var(--lime)}.brand small{font-size:11px;vertical-align:top;letter-spacing:0}.brand-icon{display:grid;place-items:center;width:44px;height:44px;background:linear-gradient(135deg,#7f57ea,#c76de9);border-radius:15px;font-size:25px}.brand-version{display:block;letter-spacing:.16em;font-size:9px;color:#8e90ad;margin-top:0}.side-caption{padding:0 13px;font-size:11px;font-weight:800;letter-spacing:.16em;color:#6d708c;margin-bottom:12px}.side-nav{display:grid;gap:3px}.nav-link{display:flex;align-items:center;gap:12px;border:0;border-radius:13px;background:transparent;color:#b9bace;padding:11px 13px;text-align:left;font-weight:730;font-size:13px;width:100%;transition:.15s}.nav-link:hover{background:#222439}.nav-link.active{background:#313345;color:var(--lime)}.nav-icon{font-size:19px;width:24px;text-align:center}.side-footer{margin-top:auto;padding:27px 11px 0}.side-footer p{font-size:10px;line-height:1.7;margin-bottom:0;color:#7c7f9a}.status-row{display:flex;align-items:center;gap:8px;font-size:12px;color:#adb0c4;margin-bottom:13px}.status-dot{width:8px;height:8px;border-radius:50%;background:#ffb570;flex:0 0 auto}.status-dot.online{background:#92fb9c;box-shadow:0 0 9px #80e68a77}.mini-link{background:none;border:0;padding:5px 0;display:block;color:#c2c6d7;font-size:12px}.mini-link:hover{color:var(--lime)}.main-area{margin-left:256px;min-width:0;width:calc(100% - 256px)}.topbar{height:76px;padding:0 clamp(20px,3vw,58px);display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid #28293d}.top-kicker{font-size:11px;letter-spacing:.22em;color:#777a96;font-weight:800}.top-actions{display:flex;gap:13px;align-items:center}.status-chip{display:inline-flex;gap:8px;align-items:center;padding:8px 12px;border:1px solid #4a4e62;border-radius:100px;font-size:11px;font-weight:800;color:#bebed0;white-space:nowrap}.status-chip i{width:7px;height:7px;background:#ffbd7c;border-radius:50%}.status-chip.online{border-color:#81eb9670;color:#beffc6}.status-chip.online i{background:#81ef9b}.icon-btn{height:36px;width:36px;border:1px solid #49465a;border-radius:12px;color:white;background:#25263a;font-size:20px}.mobile-brand{display:none}.page{display:none;width:min(1120px,calc(100% - clamp(36px,6vw,116px)));margin:0 auto;padding:30px 0 75px;min-height:calc(100vh - 155px)}.page.active{display:block}.hero{min-height:310px;position:relative;isolation:isolate;display:flex;align-items:center;overflow:hidden;padding:36px clamp(26px,5vw,58px);border-radius:25px;border:1px solid #665a9c;background:radial-gradient(ellipse at 78% 42%,#5c3277,transparent 55%),linear-gradient(120deg,#2d285a,#2c2648);box-shadow:0 18px 70px #08091755}.hero-glow{position:absolute;inset:auto -70px -180px auto;width:390px;height:390px;background:#b955ff38;filter:blur(60px);z-index:-1}.hero-copy{z-index:1;max-width:64%}.eyebrow{color:#20122b;background:var(--lime);font-size:11px;font-weight:1000;display:inline-block;padding:5px 10px;border-radius:7px;letter-spacing:.04em}.eyebrow.light{background:none;padding:0;color:var(--purple);font-size:11px;letter-spacing:.15em}.hero h1{font-size:clamp(43px,6vw,72px);margin:18px 0 13px;font-weight:1000}.hero h1 em{font-style:normal;color:var(--lime)}.hero p{color:#ddd6f1;font-size:14px;max-width:440px}.hero-buttons,.action-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:21px}.btn{border:1px solid transparent;border-radius:12px;padding:12px 20px;min-height:47px;font-weight:850;font-size:14px;display:inline-flex;gap:12px;align-items:center;justify-content:center;transition:transform .15s,background .15s;white-space:nowrap}.btn:active{transform:scale(.97)}.btn.primary{color:#151521;background:var(--lime)}.btn.primary:hover{background:#e3ffb4}.btn.muted{color:#e7e3ff;background:#35334f;border-color:#565578}.btn.muted:hover{background:#484564}.btn.danger{background:#cf3b58;color:#fff}.hero-art{position:absolute;right:3%;height:230px;width:250px;top:45px;display:grid;place-items:center}.art-face{font-size:130px;filter:drop-shadow(0 18px 22px #0a0b2699);animation:float 5s ease-in-out infinite}.art-orbit{border:1px solid #d5a8ff55;position:absolute;inset:30px;border-radius:50%;transform:rotate(35deg) scaleX(1.35)}.orbit-b{transform:rotate(-31deg) scaleX(1.35)}.art-label{position:absolute;bottom:0;color:#e3c4ff;letter-spacing:.12em;font-size:9px;font-weight:900;transform:rotate(-6deg)}@keyframes float{50%{transform:translateY(-8px) rotate(6deg)}}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:17px}.stat{background:#1a1c30;border:1px solid #34334b;border-radius:16px;padding:18px 22px}.stat span{display:block;color:var(--muted);font-size:11px;font-weight:750}.stat b{font-size:31px;font-weight:1000;letter-spacing:-.045em;color:var(--text)}.stat small{font-size:12px;color:#a9aec7;margin-left:4px}.section-header{display:flex;align-items:end;justify-content:space-between;gap:12px;margin:36px 0 16px}.section-header h2{font-size:25px;margin:4px 0 0}.muted-label{font-size:12px;color:var(--muted)}.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.feature-card{background:linear-gradient(145deg,#22233a,#1b1d30);border:1px solid #3c3d59;border-radius:19px;min-height:161px;padding:21px;text-align:left;display:flex;flex-direction:column;align-items:flex-start;transition:.17s;color:inherit;width:100%}.feature-card:hover{border-color:#9b83f2;transform:translateY(-2px);background:#292740}.feature-card b{font-size:16px;margin-top:12px}.feature-card p{font-size:12px;line-height:1.5;margin:5px 0 0}.feature-emoji{display:grid;place-items:center;width:44px;height:44px;background:#8f6cff29;border-radius:13px;font-size:25px}.feature-card:nth-child(3n+2) .feature-emoji{background:#74e5ff20}.feature-card:nth-child(3n) .feature-emoji{background:#de7aff29}.feature-card .card-foot{display:flex;align-items:center;justify-content:space-between;width:100%;margin-top:auto;padding-top:12px;color:#a99dce;font-size:10px;font-weight:900;letter-spacing:.08em}.notice{background:#23243a;border:1px solid #494969;border-radius:17px;padding:19px;display:flex;gap:14px;align-items:center;margin-top:22px}.notice>span{font-size:27px}.notice b{font-size:13px}.notice p{margin:3px 0;font-size:12px}.text-btn{background:none;color:var(--lime);border:0;white-space:nowrap;font-size:13px;font-weight:750}.footer{font-size:11px;color:#676a83;text-align:center;padding:30px 10px 45px}.footer span{color:#65677e}.page-intro{margin:5px 0 24px}.page-intro h1{font-size:clamp(28px,4vw,43px);margin:8px 0 9px}.page-intro p{font-size:14px}.work-panel{background:#1c1e32;border:1px solid #393b59;border-radius:22px;padding:clamp(19px,3vw,32px);box-shadow:0 10px 55px #08091540}.work-panel.centered{text-align:center;min-height:400px}.input-label{display:block;font-size:13px;font-weight:800;color:#deddf6;margin-bottom:10px}.input-row{display:flex;align-items:stretch;gap:10px}.input,.select{background:#111426;border:1px solid #595b78;border-radius:12px;padding:13px 14px;color:white;font-size:16px;min-width:0}.input{width:100%;flex:1}.select{font-size:13px}.generation-result{background:linear-gradient(120deg,#303052,#28253d);border:1px solid #7771b0;border-radius:17px;padding:22px;margin-top:22px;white-space:pre-wrap;overflow-wrap:anywhere}.generation-result h2{font-size:clamp(23px,3vw,31px);color:var(--lime);margin:10px 0}.generation-result p{font-size:14px;color:#e0dff5;margin:5px 0}.generation-result.shown{display:block}.result-share{margin-top:12px}.ghost-btn{border:1px solid #585974;background:#292a43;color:#f4efff;border-radius:10px;padding:9px 13px;font-size:12px;font-weight:750}.ghost-btn:hover{background:#383955}.chat-panel{padding:0;overflow:hidden}.chat-head{display:flex;align-items:center;gap:11px;padding:15px 20px;border-bottom:1px solid #373a54}.chat-avatar{width:43px;height:43px;display:grid;place-items:center;background:#7d6cdd30;border-radius:15px;font-size:24px}.chat-head b{display:block;font-size:14px}.chat-head small{display:block;color:var(--muted);font-size:11px}.chat-head .ghost-btn{margin-left:auto}.chat-messages{min-height:300px;max-height:50vh;overflow-y:auto;display:flex;flex-direction:column;gap:15px;padding:24px 20px;overscroll-behavior:contain}.message{max-width:86%;font-size:14px;white-space:pre-wrap;overflow-wrap:anywhere;border-radius:16px;padding:13px 16px;background:#30324f;line-height:1.65;align-self:flex-start}.message.user{background:#d9ffa6;color:#20231f;align-self:flex-end;border-bottom-right-radius:5px}.message.assistant{border-bottom-left-radius:5px}.message.system{font-size:12px;color:#cbcbef;background:#282b46;align-self:center;text-align:center}.chat-suggestions{display:flex;flex-wrap:wrap;gap:6px;padding:0 20px 11px}.suggest{border:1px solid #494965;background:#22243c;border-radius:100px;padding:7px 10px;font-size:11px;color:#c7c4ef}.chat-form{display:flex;gap:8px;padding:0 20px 12px}.chat-form textarea{flex:1;resize:vertical;min-height:54px;max-height:150px;border:1px solid #606180;background:#121526;color:#fff;border-radius:13px;padding:13px 15px;font-size:16px;min-width:0}.chat-panel>.fine{padding:0 20px 18px}.fine{color:#8f94b0;font-size:11px;margin:0}.error-message{margin:0 20px 10px;padding:11px 13px;border:1px solid #db7e90;background:#613040;color:#ffe4e8;border-radius:9px;font-size:12px}.tag,.counter-pill{display:inline-flex;align-items:center;border-radius:100px;border:1px solid #6b608a;padding:6px 11px;font-size:11px;color:#cbb5ff;font-weight:850}.counter-pill{color:var(--lime);border-color:#859c62}.quiz-top,.collection-head{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:16px}.question-title{font-size:clamp(20px,3vw,30px);line-height:1.5;margin:20px 0}.quiz-options{display:grid;gap:10px}.quiz-option{color:var(--text);background:#282b48;border:1px solid #595a79;border-radius:13px;min-height:53px;text-align:left;padding:14px 18px;font-size:14px;font-weight:750}.quiz-option:hover:not(:disabled){border-color:#a5a0ff;background:#343553}.quiz-option.correct{background:#285344;border-color:#9de2b6;color:#d9ffe5}.quiz-option.wrong{background:#51304b;border-color:#fb8db2;color:#ffe0eb}.feedback-card{margin-top:17px;background:#2c3352;border-left:4px solid var(--lime);padding:15px;border-radius:11px;font-size:14px;line-height:1.65;white-space:pre-wrap}.quiz-options:empty:before{content:'問題を準備中…';color:#a5a6bf;font-size:13px}.big-counter{color:#adb0c6;font-size:16px;margin:24px 0 4px}.big-counter span{font-size:44px;font-weight:1000;color:var(--lime)}.red-button{border:0;border-bottom:9px solid #8b1d42;border-radius:100%;height:200px;width:200px;font-size:27px;font-weight:1000;color:white;background:radial-gradient(ellipse at 40% 27%,#ffb0b5,#ff3f78 70%);box-shadow:0 24px 45px #f83f7060;margin:20px 0;transition:transform .1s}.red-button:active{transform:translateY(7px);border-bottom-width:2px}.button-reaction{min-height:35px;font-size:16px;font-weight:800;color:var(--lime)}.gacha-stage{display:grid;grid-template-columns:170px 1fr;align-items:center;gap:26px}.gacha-icon{font-size:120px;text-align:center;filter:drop-shadow(0 12px 25px #9f7bff77)}.gacha-stage h2{color:var(--lime);font-size:clamp(22px,3.5vw,32px);margin:13px 0 5px}.gacha-stage p{font-size:14px}.collection-head{margin:24px 0 10px;border-top:1px solid var(--line);padding-top:18px}.collection-grid{max-height:260px;overflow:auto;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.collection-item{border:1px solid #464860;border-radius:10px;padding:9px 11px;font-size:12px;color:#dfdcf8}.quote-display{background:radial-gradient(circle at 90% 5%,#574090,#24233e 70%);border:1px solid #7e65bd;border-radius:19px;min-height:270px;display:grid;place-items:center;text-align:center;font-size:clamp(23px,3.2vw,36px);font-weight:850;color:var(--lime);white-space:pre-wrap;padding:30px;line-height:1.6}.canvas-wrap{margin-top:18px;background:#24253c;border:1px solid var(--line);padding:10px;border-radius:15px}canvas{width:100%;height:auto;display:block;border-radius:8px}.choice-grid{display:grid;grid-template-columns:1fr 55px 1fr;align-items:center;gap:12px;margin:23px 0}.choice-button{background:#343152;border:2px solid #7165bd;border-radius:16px;padding:22px 16px;min-height:150px;color:white;font-size:17px;font-weight:850;white-space:pre-wrap}.choice-button:last-child{border-color:#bb659e}.choice-button.selected{background:#455b48;border-color:var(--lime)}.versus{text-align:center;font-weight:1000;color:var(--pink);font-size:18px}.trophy-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.trophy-card{display:flex;gap:13px;align-items:center;background:#25273e;border:1px solid #393b55;padding:14px;border-radius:14px;opacity:.5}.trophy-card.earned{opacity:1;border-color:#9bb97b}.trophy-card span{font-size:27px}.trophy-card b{display:block;font-size:13px}.trophy-card small{color:var(--muted);font-size:11px}.mobile-nav{display:none}.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);z-index:30;padding:11px 16px;background:var(--lime);color:#171925;font-weight:800;max-width:calc(100vw - 25px);border-radius:12px;font-size:13px;box-shadow:0 10px 40px #0008}.dialog{border:1px solid #7772a0;border-radius:23px;background:#24253e;color:var(--text);width:min(490px,calc(100vw - 28px));padding:25px;box-shadow:0 25px 80px #000b;max-height:85vh;overflow:auto}.dialog::backdrop{background:#050612d9}.dialog h2{font-size:23px}.dialog p,.dialog li{font-size:14px;color:#d0cbeb}.dialog li{margin-bottom:8px}.dialog-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:14px}.dialog img{width:100%;height:auto;display:block}.dialog a.btn{display:inline-flex}
@media(max-width:1100px){.sidebar{width:223px}.main-area{margin-left:223px;width:calc(100% - 223px)}.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-art{right:0;transform:scale(.8);transform-origin:right}}
@media(max-width:760px){.sidebar{display:none}.main-area{margin-left:0;width:100%}.mobile-brand{display:inline-flex;align-items:center;gap:6px;font-size:18px}.mobile-brand span{font-size:10px;color:var(--lime);margin-left:2px}.topbar{height:58px;padding:0 17px}.top-kicker{display:none}.status-chip{font-size:10px;padding:6px 8px}.page{width:calc(100% - 28px);padding:18px 0 96px}.hero{padding:26px 23px;min-height:295px}.hero-copy{max-width:85%}.hero h1{font-size:51px}.hero-art{opacity:.27;right:-10px;top:35px;transform:scale(.8)}.hero p{font-size:12px}.stats{gap:7px;margin-top:10px}.stat{padding:13px 12px}.stat b{font-size:25px}.section-header{margin-top:29px}.section-header h2{font-size:22px}.feature-grid{gap:9px}.feature-card{padding:15px;min-height:150px}.feature-card b{font-size:13px}.feature-card p{font-size:11px}.feature-emoji{width:39px;height:39px;font-size:23px}.notice{align-items:flex-start}.notice .text-btn{display:none}.page-intro h1{font-size:28px}.mobile-nav{display:grid;position:fixed;bottom:0;left:0;right:0;z-index:12;grid-template-columns:repeat(5,1fr);background:#17182bed;border-top:1px solid #3e3e59;padding:8px 6px calc(8px + env(safe-area-inset-bottom));backdrop-filter:blur(14px)}.mobile-item{border:0;background:transparent;color:#9b9bb3;font-weight:800;font-size:10px;min-width:0;padding:6px 2px 3px;display:flex;flex-direction:column;align-items:center;gap:2px}.mobile-item span{font-size:21px}.mobile-item.active{color:var(--lime)}.footer{padding-bottom:106px}.chat-messages{max-height:49vh;min-height:275px}.choice-grid{gap:5px;grid-template-columns:1fr 28px 1fr}.choice-button{font-size:13px;min-height:140px;padding:12px 7px}.versus{font-size:11px}.gacha-stage{grid-template-columns:95px 1fr;gap:12px}.gacha-icon{font-size:71px}.trophy-grid{grid-template-columns:1fr}.input-row{flex-direction:column}.input-row .btn{width:100%}.collection-grid{grid-template-columns:1fr}.chat-suggestions{flex-wrap:nowrap;overflow-x:auto}.suggest{white-space:nowrap}.chat-form{align-items:end}.chat-form button{padding-inline:12px}.message{max-width:92%}}
@media(max-width:370px){.hero h1{font-size:44px}.feature-card{min-height:175px}.feature-card p{font-size:10px}.status-chip span{display:none}.gacha-stage{grid-template-columns:1fr}.gacha-icon{font-size:72px}.hero-buttons .btn{font-size:11px;padding-inline:12px}.stat span{font-size:10px}.stat b{font-size:23px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

@media(max-width:370px){#shareTop{display:none}}