:root{color-scheme:dark;--bg:#0b1020;--bg2:#131a31;--card:rgba(23,30,52,.87);--line:rgba(217,186,126,.23);--line2:rgba(219,226,249,.12);--text:#f3ebdd;--muted:#b9b8c7;--gold:#f2c979;--gold2:#ddab5b;--violet:#ad96dd;--radius:20px;font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Hiragino Sans",Meiryo,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:var(--bg);color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased}button,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}a{color:inherit}button:focus-visible,a:focus-visible,summary:focus-visible,textarea:focus-visible{outline:3px solid #ddc484;outline-offset:3px}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.page-aurora{pointer-events:none;position:fixed;inset:0;z-index:-1;background:radial-gradient(ellipse 70% 45% at 50% 5%,rgba(107,78,160,.28),transparent),radial-gradient(ellipse 75% 55% at 100% 52%,rgba(30,97,112,.17),transparent),linear-gradient(155deg,#0c1122,#10152b 58%,#0b1020)}.page-aurora:after{content:"";position:absolute;inset:0;opacity:.35;background-image:radial-gradient(#edddb9 0.65px,transparent 0.8px);background-size:43px 43px;mask-image:linear-gradient(#0008,transparent 68%)}
.shell{width:min(100% - 36px,880px);margin:0 auto}.masthead{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line2)}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:12px;letter-spacing:.13em;font-weight:700;color:#f0dcb6}.brand-sigil{font-size:27px}.brand small{display:block;letter-spacing:.28em;font-size:10px;font-weight:500;color:#b4a2cc}.version{font-size:10px;letter-spacing:.1em;color:#a59cb7;white-space:nowrap}
.hero{text-align:center;padding:70px 0 54px;position:relative}.hero-mark{width:94px;height:94px;border-radius:50%;margin:0 auto 27px;border:1px solid rgba(242,201,121,.43);display:grid;place-items:center;position:relative;background:radial-gradient(circle,rgba(233,181,119,.18),transparent 68%);box-shadow:0 0 60px rgba(196,147,231,.11)}.hero-mark>span:first-child{font-size:53px;line-height:1;color:var(--gold)}.ring{position:absolute;inset:-12px;border:1px solid rgba(222,194,144,.2);border-radius:50%}.ring-second{inset:-23px;border-style:dashed;border-color:rgba(214,195,143,.13)}.eyebrow{color:var(--gold);letter-spacing:.3em;font-size:10px;font-weight:750;margin:0 0 12px}h1,h2,h3,p{margin-top:0}h1{font-family:Georgia,"Yu Mincho","Hiragino Mincho ProN",serif;font-weight:500;font-size:clamp(35px,8vw,60px);letter-spacing:.06em;margin-bottom:14px;line-height:1.25}h1 span{color:var(--gold)}.hero-sub{font-size:17px;letter-spacing:.03em;margin-bottom:12px}.hero-desc{font-size:13px;color:var(--muted);line-height:1.95;margin-bottom:34px}.stats{display:flex;align-items:center;justify-content:center;gap:26px;margin-bottom:29px}.stats>div:not(.stats-divider){display:flex;flex-direction:column;align-items:center;min-width:72px}.stats b{font-size:21px;font-weight:600;color:#f1dfc0;line-height:1.4}.stats span{font-size:10px;color:var(--muted);margin-top:4px}.stats-divider{height:32px;border-left:1px solid var(--line)}.primary,.secondary,.outline,.quiet{min-height:53px;display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:12px;padding:10px 20px;font-size:15px;font-weight:750;text-decoration:none;transition:transform .15s,filter .15s,background .15s}.primary{color:#251d19;background:linear-gradient(135deg,#f6ddac,#dbab63);border:1px solid #e6c78e;box-shadow:0 6px 32px rgba(221,171,91,.13)}.primary:hover:not(:disabled){filter:brightness(1.08);transform:translateY(-1px)}.draw{width:min(100%,360px);font-size:17px;letter-spacing:.12em;min-height:62px}.micro{font-size:11px;color:#9e9bb0;margin:12px 0 0}
.intro{padding:26px 0 64px}.intro h2{text-align:center;font-size:12px;letter-spacing:.25em;color:#dbbd8b;font-weight:500;margin-bottom:22px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.steps>div{padding:24px 16px;background:rgba(22,30,53,.74);border:1px solid var(--line2);border-radius:15px;min-height:154px}.step-num{display:block;font-family:Georgia,serif;font-size:26px;color:#bba0d0;margin-bottom:12px}.steps strong{display:block;font-size:13px;letter-spacing:.03em}.steps p{font-size:11px;color:var(--muted);line-height:1.8;margin:6px 0 0}
.result{max-width:680px;margin:0 auto 64px;scroll-margin-top:22px}.result-head{text-align:center;padding:27px 0 20px}.result-head h2{font-family:Georgia,"Yu Mincho",serif;font-size:28px;font-weight:500;letter-spacing:.1em;margin-bottom:16px}.stars{display:flex;justify-content:center;gap:7px;font-size:26px;line-height:1.2}.star-gold{color:#ffd37d;text-shadow:0 0 12px rgba(255,195,91,.26)}.star-dark{color:#4e5061}.rarity-name{color:#d8ba84;font-size:12px;letter-spacing:.16em;margin:10px 0 0}.summon-card{position:relative;border:1px solid rgba(238,202,137,.4);border-radius:20px;overflow:hidden;text-align:center;padding:22px 25px 18px;background:radial-gradient(ellipse at 50% 6%,rgba(124,92,168,.3),transparent 66%),linear-gradient(140deg,#22233f,#171f32);box-shadow:0 20px 80px #02061155}.summon-card:before,.summon-card:after{content:"";position:absolute;width:110px;height:110px;border:1px solid rgba(238,202,137,.23);border-radius:50%;transform:rotate(45deg)}.summon-card:before{left:-86px;top:35%}.summon-card:after{right:-86px;top:35%}.summon-card-top{display:flex;align-items:center;justify-content:space-between;text-align:left;color:#e0c18a;letter-spacing:.22em;font-size:10px;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:25px}.small-label{display:block;letter-spacing:.25em;font-size:10px;color:#b9b2cf}.summon-card h3{font-family:Georgia,"Yu Mincho",serif;letter-spacing:.07em;font-size:clamp(26px,6vw,37px);font-weight:500;margin:10px 0 4px}.category{font-size:12px;color:#d5bf94;letter-spacing:.12em}.motif{font-size:29px;color:#d8ad76;margin:14px 0 24px}.result-stats{margin:0;display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);text-align:left;border:1px solid var(--line);border-radius:11px;overflow:hidden}.result-stats>div{background:rgba(17,23,39,.9);padding:13px 14px}.result-stats dt{color:#aaa3b5;font-size:10px;letter-spacing:.1em}.result-stats dd{margin:5px 0 0;font-size:13px;color:#f2e6d4;font-weight:600}
.prompt-panel{background:var(--card);border:1px solid var(--line2);border-radius:17px;margin-top:20px;padding:20px}.prompt-heading{display:flex;justify-content:space-between;gap:10px;align-items:center}.prompt-heading h3{font-size:16px;margin-bottom:0}.prompt-heading p{font-size:11px;color:var(--muted);margin:3px 0 14px}.prompt-heading span{color:#a8a7b8;font-size:10px;white-space:nowrap}.prompt-heading span.over-limit{color:#e1a6a6}textarea{display:block;width:100%;height:155px;resize:vertical;border:1px solid #343953;border-radius:10px;background:#0d1427;color:#d8d8e4;padding:13px;line-height:1.7;font-size:12px;margin-bottom:13px}.prompt-panel .primary,.prompt-panel .secondary{width:100%}.secondary{background:rgba(255,255,255,.035);color:#f7e6ca;border:1px solid rgba(234,209,168,.33);margin-top:10px}.secondary:hover{background:rgba(255,255,255,.1)}.help{margin:11px 1px 0;font-size:11px;color:#aaa6b7;line-height:1.7}.after-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0}.outline,.quiet{background:rgba(26,35,56,.78);border:1px solid #444259;color:#eae3e6;font-size:12px;min-height:47px;padding:10px}.outline:hover,.quiet:hover{background:#292c43}.quiet{grid-column:1/-1;background:transparent;border-color:transparent;color:#d9bb80;min-height:40px}.seed-panel{font-size:11px;color:#a8a5b6;border-top:1px solid var(--line2);padding-top:14px}.seed-panel summary{cursor:pointer;color:#c7bdcb}.seed-panel p{margin:12px 0 7px}.seed-panel code{display:block;overflow-wrap:anywhere;color:#f0d1a4}
.status{min-height:24px;text-align:center;color:#e7cf9e;font-size:12px;margin:12px auto 30px}.status.error{color:#ffbcb7}.about{max-width:600px;text-align:center;margin:0 auto;padding:35px 12px 54px;border-top:1px solid var(--line2)}.about-icon{color:#d4b581;font-size:25px;margin-bottom:6px}.about h2{font-family:Georgia,"Yu Mincho",serif;font-size:21px;font-weight:500;letter-spacing:.06em}.about p{font-size:12px;color:var(--muted);line-height:2;margin-bottom:12px}footer{text-align:center;border-top:1px solid var(--line2);padding:22px 0 34px;font-size:10px;color:#8c889e;letter-spacing:.14em}footer span{color:#c4a97a;margin:0 5px}
@media(min-width:700px){.hero{padding:83px 0 62px}.steps{gap:17px}.steps>div{padding:24px}.prompt-panel{padding:25px}}
@media(max-width:520px){.shell{width:calc(100% - 30px)}.masthead{min-height:64px}.brand{font-size:10px;letter-spacing:.08em}.brand small{font-size:9px}.version{font-size:9px}.hero{padding:62px 0 37px}.hero-desc{font-size:12px}.stats{gap:16px}.stats b{font-size:18px}.stats>div:not(.stats-divider){min-width:60px}.intro{padding:18px 0 46px}.steps{grid-template-columns:1fr;gap:9px}.steps>div{display:grid;grid-template-columns:40px 1fr;column-gap:8px;min-height:0;padding:15px 18px;align-items:start}.steps .step-num{grid-row:span 2;font-size:24px;margin:0}.steps strong{font-size:12px}.steps p{font-size:11px;margin-top:1px}.summon-card{padding:20px 15px 15px}.result-stats>div{padding:12px 10px}.result-stats dd{font-size:12px}.prompt-panel{padding:15px}.after-actions{gap:7px}.outline{font-size:11px;padding:8px 4px}.hero-sub{font-size:15px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto!important}*,*:before,*:after{transition:none!important;animation:none!important}}

/* Mobile copy confirmation: positioned directly below the copy button. */
.prompt-panel .primary.is-copied{background:linear-gradient(135deg,#f7eacb,#f0cd88);border-color:#ffe7a9}
.copy-feedback{font-size:12px;color:#f5dfa8;border:1px solid rgba(234,209,168,.30);background:rgba(217,173,95,.11);border-radius:9px;padding:10px 12px;margin:9px 0 0;text-align:center;font-weight:700}
.copy-feedback.error{color:#ffbcb7;background:rgba(244,96,96,.08);border-color:rgba(255,166,166,.4)}


.side-gallery{display:none}@media(min-width:1280px){.side-gallery{display:grid;position:fixed;top:96px;bottom:32px;width:min(18vw,250px);gap:18px;align-content:start;pointer-events:none;z-index:0;opacity:.92}.side-gallery-left{left:max(18px,calc((100vw - 1320px)/2))}.side-gallery-right{right:max(18px,calc((100vw - 1320px)/2))}.side-gallery-card{margin:0;position:relative;overflow:hidden;border-radius:24px;border:1px solid rgba(227,210,170,.18);background:rgba(22,29,49,.62);box-shadow:0 24px 60px rgba(0,0,0,.26)}.side-gallery-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,16,32,.04),rgba(12,16,32,.34))}.side-gallery-card img{display:block;width:100%;height:auto;aspect-ratio:3/4;object-fit:cover;filter:saturate(1.02)}.side-tilt-left{transform:rotate(-5deg)}.side-tilt-right{transform:rotate(5deg)}}

.sample-showcase{padding:0 0 64px}.sample-showcase-head{text-align:center;max-width:720px;margin:0 auto 28px}.sample-showcase-head h2{font-family:Georgia,"Yu Mincho","Hiragino Mincho ProN",serif;font-size:clamp(28px,5vw,40px);font-weight:500;letter-spacing:.06em;margin-bottom:12px}.sample-copy{font-size:13px;color:var(--muted);line-height:1.95;margin:0 auto}.sample-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.sample-card{margin:0;overflow:hidden;border-radius:18px;border:1px solid rgba(232,205,149,.16);background:rgba(18,25,45,.74);box-shadow:0 20px 56px rgba(1,4,12,.22)}.sample-card img{display:block;width:100%;aspect-ratio:3/4;object-fit:cover;background:#11192d}.sample-card figcaption{padding:15px 15px 16px}.sample-card strong{display:block;font-size:15px;line-height:1.5;margin:6px 0 7px;color:#f4ead9}.sample-card p{font-size:11px;color:var(--muted);line-height:1.8;margin:0}.sample-kicker{display:inline-flex;align-items:center;gap:8px;color:#e3c38b;font-size:10px;letter-spacing:.18em}.sample-kicker::before{content:"✦";font-size:11px}.sample-card-feature{grid-column:span 2;display:grid;grid-template-columns:minmax(0,1.07fr) minmax(0,.93fr);align-items:stretch}.sample-card-feature img{height:100%}.sample-card-feature figcaption{display:flex;flex-direction:column;justify-content:center;padding:24px 22px}.sample-card-feature strong{font-size:20px}.sample-card-feature p{font-size:12px}

@media(max-width:860px){.sample-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.sample-card-feature{grid-column:1/-1}}
@media(max-width:640px){.sample-showcase{padding:0 0 48px}.sample-showcase-head{margin-bottom:20px}.sample-showcase-head h2{font-size:30px}.sample-copy{font-size:12px}.sample-grid{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(240px,82vw);overflow-x:auto;overscroll-behavior-x:contain;padding-bottom:8px;scroll-snap-type:x proximity}.sample-card,.sample-card-feature{grid-column:auto;display:block;scroll-snap-align:start}.sample-card-feature figcaption{padding:15px 15px 16px}.sample-card-feature strong{font-size:15px}.sample-card-feature p{font-size:11px}}


/* --- v1.1 exhibition layout: rich landing without affecting draw engine --- */
html{scroll-padding-top:26px}
.hero{isolation:isolate;border-bottom:1px solid rgba(229,189,114,.11)}
.hero::before{content:"";position:absolute;inset:4px -70px -36px;z-index:-1;pointer-events:none;background:radial-gradient(ellipse 50% 48% at 50% 36%,rgba(137,108,198,.19),transparent 75%),radial-gradient(ellipse 33% 29% at 50% 60%,rgba(222,162,102,.10),transparent 75%)}
.hero::after{content:"✧      ·      ✦      ·      ✧";display:block;pointer-events:none;font-size:13px;color:#d6b5758f;letter-spacing:16px;line-height:1;margin:28px auto -18px}
.hero-mark{box-shadow:0 0 36px rgba(222,181,109,.14),0 0 86px rgba(159,111,191,.19),inset 0 0 28px rgba(244,219,168,.09)}
.hero-mark::after{content:"";position:absolute;inset:-34px;border-radius:50%;pointer-events:none;background:conic-gradient(from 25deg,transparent 0 24%,rgba(240,208,150,.3) 25%,transparent 26% 49%,rgba(240,208,150,.22) 50%,transparent 51% 74%,rgba(240,208,150,.2) 75%,transparent 76%);-webkit-mask:radial-gradient(circle,transparent 62%,#000 64%,#000 65%,transparent 67%);mask:radial-gradient(circle,transparent 62%,#000 64%,#000 65%,transparent 67%)}
.hero .eyebrow{text-shadow:0 0 20px rgba(246,196,105,.17)}
.hero h1{text-shadow:0 8px 28px rgba(0,0,0,.38)}
.preview-jump{display:flex;align-items:center;justify-content:center;gap:13px;width:fit-content;max-width:100%;margin:25px auto 0;padding:10px 20px;border-radius:48px;border:1px solid rgba(221,192,141,.25);background:linear-gradient(135deg,rgba(33,41,71,.83),rgba(27,26,48,.72));text-decoration:none;box-shadow:0 14px 30px rgba(3,6,17,.24);transition:border-color .18s,transform .18s,background .18s}
.preview-jump:hover{border-color:rgba(250,220,153,.68);background:rgba(51,52,85,.94);transform:translateY(-2px)}
.preview-jump:focus-visible{outline:2px solid #ddc484}
.preview-jump>span:last-child{text-align:left;color:#d5cad7;font-size:11px;line-height:1.5}
.preview-jump b{display:block;color:#f3d194;font-size:12px;letter-spacing:.04em}
.preview-stacks{display:flex;align-items:center;isolation:isolate;padding:2px 10px 2px 0}
.preview-stacks img{width:38px;height:49px;object-fit:cover;border-radius:6px;border:1px solid #e7c78e8c;box-shadow:0 5px 12px #0009;margin-right:-12px}
.preview-stacks img:nth-child(1){transform:rotate(-10deg);z-index:1}
.preview-stacks img:nth-child(2){transform:translateY(-3px) rotate(4deg);z-index:2}
.preview-stacks img:nth-child(3){transform:rotate(11deg);z-index:3}
.sample-showcase{padding-top:62px;scroll-margin-top:24px}
.sample-showcase-head h2{background:linear-gradient(115deg,#fff7e4,#f1cf95 55%,#eddad1);-webkit-background-clip:text;background-clip:text;color:transparent}
.sample-showcase-head::after{content:"";display:block;width:110px;height:1px;background:linear-gradient(90deg,transparent,#e4c18a,transparent);margin:22px auto 0}
.sample-card{position:relative;transition:transform .2s,border-color .2s,box-shadow .2s}
@media(hover:hover){.sample-card:hover{transform:translateY(-5px);border-color:rgba(236,199,136,.55);box-shadow:0 26px 60px rgba(3,4,19,.44)}}
.sample-card img{transition:filter .2s}
.intro{padding-top:38px;padding-bottom:53px}
@media(min-width:1280px){
  .side-gallery{top:109px;bottom:auto;width:clamp(148px,calc((100vw - 890px)/2 - 45px),218px);height:auto;max-height:calc(100vh - 130px);gap:15px;align-content:center;overflow:visible}
  .side-gallery-left{left:clamp(18px,2.2vw,50px)}
  .side-gallery-right{right:clamp(18px,2.2vw,50px)}
  .side-gallery-card{aspect-ratio:3/3.75}
  .side-gallery-card img{width:100%;height:100%;aspect-ratio:auto;object-fit:cover}
  .side-gallery-card:before{content:"SAMPLE ART";position:absolute;left:12px;top:12px;z-index:2;font-size:9px;letter-spacing:.2em;color:white;text-shadow:0 2px 9px #000}
  .shell{position:relative;z-index:1}
}
@media(max-height:750px) and (min-width:1280px){.side-gallery{top:90px;gap:11px}.side-gallery-card{aspect-ratio:3/2.8}}
@media(max-width:640px){.hero::before{inset:0 -20px -30px}.hero::after{letter-spacing:9px}.preview-jump{margin-top:19px;padding:8px 15px}.sample-showcase{padding-top:43px}.sample-showcase-head{margin-bottom:25px}.intro{padding-top:25px}.sample-grid{scrollbar-width:thin;scrollbar-color:#8c75b0 #1a203c}}
@media(prefers-reduced-motion:reduce){.preview-jump,.sample-card,.sample-card img{transition:none!important}}

/* Keep the mobile carousel self-contained; avoid extra page width or tall grid tracks. */
@media(max-width:640px){
  .sample-grid{display:flex;grid-template-columns:none;grid-auto-flow:initial;grid-auto-columns:auto;gap:12px;max-width:100%;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory}
  .sample-card,.sample-card-feature{display:block;flex:0 0 min(78vw,295px);height:auto;grid-column:auto;min-width:0;scroll-snap-align:start}
  .sample-card-feature img{height:auto;aspect-ratio:3/4}
}
/* Prevent horizontal page scrolling while allowing the internal sample carousel. */
@media(max-width:640px){html,body{max-width:100%;overflow-x:clip}}


/* v1.2: Keep the entire three-step guide alongside the draw action. */
.hero .hero-steps{padding:0 0 17px;margin:0 auto;width:min(100%,640px);text-align:center}
.hero .hero-steps h2{display:flex;align-items:center;justify-content:center;gap:9px;margin:0 0 12px;font-size:12px;line-height:1.5;letter-spacing:.13em;color:#e7d1ac}
.hero .hero-steps .step-caption{font-family:ui-sans-serif,system-ui,sans-serif;font-size:9px;letter-spacing:.18em;color:#9994b1}
.hero .hero-steps .steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.hero .hero-steps .steps>div{display:block;text-align:center;min-width:0;min-height:0;padding:11px 8px 12px;border:1px solid rgba(222,191,140,.26);background:linear-gradient(145deg,rgba(41,43,72,.72),rgba(22,29,53,.68));border-radius:12px}
.hero .hero-steps .step-num{display:block;margin:0 0 3px;font-size:16px;line-height:1.15;color:#ecd08a}
.hero .hero-steps .steps strong{display:block;font-size:12px;line-height:1.4;font-weight:650;color:#f7eee2}
.hero .hero-steps .steps p{margin:4px 0 0;font-size:10px;line-height:1.45;color:#b5b1c2}
@media(max-width:640px){
  .hero{padding:28px 0 24px}
  .hero-mark{width:59px;height:59px;margin-bottom:13px}
  .hero-mark>span:first-child{font-size:36px}
  .hero-mark::after{inset:-22px}
  .hero .eyebrow{font-size:9px;margin-bottom:6px}
  .hero h1{font-size:clamp(31px,8vw,43px);margin-bottom:8px}
  .hero-sub{font-size:14px;margin-bottom:6px}
  .hero-desc{font-size:11px;line-height:1.65;margin-bottom:15px}
  .hero .stats{gap:14px;margin-bottom:18px}
  .hero .stats b{font-size:17px}
  .hero .stats span{font-size:10px}
  .hero .hero-steps{padding-bottom:12px}
  .hero .hero-steps h2{margin-bottom:7px;font-size:11px}
  .hero .hero-steps .steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}
  .hero .hero-steps .steps>div{display:block;grid-template-columns:none;min-height:0;padding:9px 4px}
  .hero .hero-steps .step-num{display:block;grid-row:auto;margin:0 0 4px;font-size:14px}
  .hero .hero-steps .steps strong{font-size:11px;line-height:1.35}
  .hero .hero-steps .steps p{display:none}
  .hero .draw{min-height:54px;font-size:16px}
  .hero .micro{margin-top:7px}
  .hero .preview-jump{margin-top:14px}
  .hero::after{margin-top:18px}
}
@media(max-width:360px){
  .hero{padding-top:20px}
  .hero-mark{width:51px;height:51px;margin-bottom:10px}
  .hero .hero-steps .steps strong{font-size:10px}
}