:root{
  --ink:#546c9e;--ink-dark:#3f5688;--pink:#f277ad;--pink2:#ff9fc8;--blue:#8abaf6;--cream:#fffaf6;--gold:#f2b64b;
  --line:rgba(131,169,223,.34);--shadow:0 22px 60px rgba(78,105,151,.15)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;background:#edf7ff;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}em{font-style:normal;color:var(--pink)}
body:before{content:"";position:fixed;inset:0;z-index:-3;background:linear-gradient(110deg,#eef8ff 0%,#fff8fb 52%,#eef9ff 100%)}.page-noise{position:fixed;inset:0;pointer-events:none;z-index:20;opacity:.35;background-image:linear-gradient(rgba(112,151,207,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(112,151,207,.12) 1px,transparent 1px);background-size:24px 24px;mask-image:linear-gradient(#000 0 10%,transparent 70%)}
.site-header{position:fixed;top:14px;left:50%;transform:translateX(-50%);z-index:30;width:min(1180px,calc(100% - 32px));height:64px;padding:7px 9px 7px 18px;border:1px solid rgba(255,255,255,.85);border-radius:24px;background:rgba(255,255,255,.7);backdrop-filter:blur(16px);box-shadow:0 10px 30px rgba(69,98,143,.1);display:flex;align-items:center;gap:20px}.mini-brand{width:124px}.header-nav{display:flex;gap:24px;margin-left:auto;font-size:13px;font-weight:800}.header-nav a{opacity:.8;transition:.2s}.header-nav a:hover{opacity:1;color:var(--pink)}
.play-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:17px 28px;color:#fff;font-weight:1000;letter-spacing:.04em;background:linear-gradient(135deg,#ff8abb,#ef699f);box-shadow:0 12px 24px rgba(231,92,147,.25),inset 0 1px 0 rgba(255,255,255,.55);border:2px solid #fff;transition:.25s}.play-btn:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 16px 30px rgba(231,92,147,.33)}.play-btn-small{padding:11px 20px;font-size:13px}.sub-btn{padding:15px 22px;border-radius:999px;border:1.5px solid #bed5f4;background:rgba(255,255,255,.8);font-weight:900;transition:.2s}.sub-btn:hover{background:#fff;transform:translateY(-2px)}
.hero{min-height:800px;max-width:1280px;margin:0 auto;padding:125px 50px 75px;display:grid;grid-template-columns:1fr 1.05fr;align-items:center;gap:42px;position:relative}.hero:after{content:"";position:absolute;right:-180px;top:80px;width:570px;height:570px;border-radius:50%;background:radial-gradient(circle,rgba(255,198,225,.46),rgba(182,219,255,.18) 52%,transparent 70%);filter:blur(10px);z-index:-1}.hero-kicker,.eyebrow{font-size:12px;letter-spacing:.2em;font-weight:900;color:#7f99c4}.hero-logo{width:min(410px,90%);margin:13px 0 22px}.hero h1{font-size:clamp(34px,4vw,56px);line-height:1.25;margin:0 0 20px;color:var(--ink-dark);letter-spacing:.02em}.hero-lead{font-size:16px;line-height:2;margin:0 0 28px}.hero-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.hero-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}.hero-pills span{font-size:12px;font-weight:800;padding:9px 12px;border:1px solid #d4e5f7;border-radius:999px;background:rgba(255,255,255,.65)}
.game-window{padding:10px;border-radius:34px;background:rgba(255,255,255,.75);box-shadow:0 35px 70px rgba(74,102,147,.19);border:1px solid rgba(255,255,255,.9);transform:rotate(1.5deg)}.window-dots{height:28px;display:flex;gap:6px;padding:7px 11px}.window-dots span{width:8px;height:8px;border-radius:50%;background:#f6bad3}.window-dots span:nth-child(2){background:#f5d27c}.window-dots span:nth-child(3){background:#9edfcf}.stage-preview{height:410px;border-radius:24px;overflow:hidden;position:relative;background:#dff3ff}.stage-bg{width:100%;height:100%;object-fit:cover}.stage-preview:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 62%,rgba(82,112,157,.12))}.runner{position:absolute;left:13%;bottom:17%;width:160px;z-index:3;filter:drop-shadow(0 12px 8px rgba(73,89,126,.22));animation:runBob .55s ease-in-out infinite alternate}.floating-cup{position:absolute;width:52px;z-index:4;animation:float 1.4s ease-in-out infinite alternate}.cup-a{right:24%;top:49%}.cup-b{right:12%;top:43%;animation-delay:.3s}.fake-hud{position:absolute;z-index:5;left:18px;top:18px;border-radius:18px;padding:10px 14px;background:rgba(255,255,255,.87);box-shadow:0 7px 18px rgba(82,109,153,.16);display:flex;gap:14px;align-items:center}.fake-hud b{font-size:19px}.fake-hud span{color:#cb8357;font-weight:900}.float-label{position:absolute;padding:9px 14px;border-radius:999px;color:#fff;font-weight:1000;font-size:12px;letter-spacing:.1em;box-shadow:0 10px 25px rgba(91,116,158,.14)}.label-one{top:33%;right:-15px;background:#78aaf1;transform:rotate(6deg)}.label-two{bottom:20%;left:-17px;background:#ef79a9;transform:rotate(-6deg)}
.section{max-width:1180px;margin:0 auto;padding:105px 34px}.section-heading{display:flex;align-items:center;gap:20px;margin-bottom:36px}.section-number{font-size:70px;line-height:1;font-family:Georgia,serif;font-style:italic;font-weight:800;color:rgba(111,153,214,.22)}.section-heading h2,.rainbow-copy h2,.music-copy h2{font-size:clamp(31px,4vw,48px);margin:4px 0;color:var(--ink-dark)}.section-heading p{margin:0}.section-intro{margin:-18px 0 38px 92px;line-height:1.8}.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.how-card{position:relative;min-height:340px;padding:32px 28px;border-radius:30px;border:1.5px solid #d3e3f7;background:linear-gradient(160deg,rgba(255,255,255,.94),rgba(255,248,251,.8));box-shadow:var(--shadow);overflow:hidden}.how-card:after{content:"";position:absolute;right:-40px;bottom:-50px;width:160px;height:160px;border-radius:50%;background:radial-gradient(circle,#dcecff,transparent 68%)}.how-icon{height:92px;width:92px;border-radius:27px;background:#eaf4ff;display:grid;place-items:center;font-size:48px;font-weight:700;color:#719ee1;margin-bottom:20px;box-shadow:inset 0 0 0 1px #d4e6fa}.cup-icon img{width:80px}.how-tag{font-size:10px;font-weight:1000;letter-spacing:.15em;color:#6d98d7}.how-tag.pink{color:#e5709f}.how-tag.gold{color:#dba646}.how-card h3{font-size:22px;color:var(--ink-dark);margin:8px 0 12px}.how-card p{font-size:14px;line-height:1.9;margin:0}
.augment-section{max-width:none;position:relative;overflow:hidden;padding-left:max(34px,calc((100vw - 1112px)/2));padding-right:max(34px,calc((100vw - 1112px)/2));background:linear-gradient(145deg,#6e8ec5 0%,#8daade 42%,#d58ab9 130%);color:#fff}.augment-backdrop{position:absolute;inset:0;background-image:radial-gradient(circle at 20% 20%,rgba(255,255,255,.14),transparent 24%),radial-gradient(circle at 80% 70%,rgba(255,210,230,.22),transparent 25%);pointer-events:none}.section-heading.light,.section-intro.light{position:relative;color:#fff}.section-heading.light h2{color:#fff}.section-heading.light em{color:#ffe0ee}.section-heading.light .eyebrow{color:#dceaff}.section-heading.light .section-number{color:rgba(255,255,255,.18)}.augment-carousel{display:grid;grid-template-columns:repeat(7,minmax(160px,1fr));gap:14px;position:relative;overflow-x:auto;padding:4px 4px 18px;scrollbar-width:thin}.augment-card{min-width:170px;padding:17px 13px 16px;border-radius:25px;text-align:center;background:linear-gradient(180deg,rgba(255,255,255,.96),rgba(246,250,255,.9));color:var(--ink);border:2px solid rgba(255,255,255,.72);box-shadow:0 18px 35px rgba(44,66,107,.2);transition:.25s}.augment-card:hover{transform:translateY(-8px) rotate(-1deg)}.augment-card:nth-child(even):hover{transform:translateY(-8px) rotate(1deg)}.augment-card img{width:105px;height:105px;object-fit:contain;margin:0 auto 10px}.augment-card b{display:block;font-size:16px;color:var(--ink-dark)}.augment-card span{display:block;font-size:11px;margin-top:7px;color:#8298bd;font-weight:800}.augment-card.special{background:linear-gradient(180deg,#fff8dc,#fff)}.augment-note{position:relative;margin-top:24px;padding:15px 20px;border:1px solid rgba(255,255,255,.34);border-radius:18px;background:rgba(255,255,255,.12);backdrop-filter:blur(8px);font-weight:700}.augment-note span{display:inline-block;margin-right:10px;padding:4px 9px;border-radius:999px;background:#fff;color:#7794c7;font-size:10px;font-weight:1000}
.rainbow-section{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:48px;min-height:650px}.rainbow-copy .section-number{display:block;margin-bottom:8px}.rainbow-copy .eyebrow{margin:0}.rainbow-copy p{font-size:16px;line-height:2}.rainbow-copy strong{color:#e27a9f;font-size:1.15em}.rainbow-text{background:linear-gradient(90deg,#ef709e,#f2b657,#71cf9d,#70b3f1,#aa83e7);-webkit-background-clip:text;background-clip:text;color:transparent}.fifty-badge{display:inline-flex;align-items:end;gap:7px;padding:11px 19px;margin-top:10px;border-radius:18px;background:#fff;border:2px solid #f0c7d8;box-shadow:0 10px 25px rgba(213,118,158,.16)}.fifty-badge span,.fifty-badge small{font-size:10px;font-weight:1000;letter-spacing:.12em}.fifty-badge b{font-size:32px;color:#ef6c9f}.rainbow-visual{position:relative;min-height:500px;display:grid;place-items:center}.rainbow-visual img{width:min(500px,90%);position:relative;z-index:2;filter:drop-shadow(0 24px 25px rgba(178,107,180,.2));animation:teaFloat 2.4s ease-in-out infinite alternate}.rainbow-ring{position:absolute;width:390px;height:390px;border-radius:50%;background:conic-gradient(from 20deg,rgba(239,115,166,.25),rgba(246,201,91,.25),rgba(91,202,157,.25),rgba(101,173,239,.25),rgba(178,124,225,.25),rgba(239,115,166,.25));filter:blur(18px);animation:spin 10s linear infinite}.star{position:absolute;z-index:3;font-style:normal;font-size:38px;color:#f0b84a;text-shadow:0 0 15px #fff}.s1{left:13%;top:22%}.s2{right:14%;top:18%;font-size:28px;color:#f28eb8}.s3{right:10%;bottom:24%;font-size:45px}.s4{left:20%;bottom:18%;color:#e979a8}
.bgm-section{padding-top:55px;padding-bottom:120px}.music-card{position:relative;border-radius:38px;min-height:420px;padding:60px 70px;display:flex;align-items:center;justify-content:space-between;overflow:hidden;color:#fff;background:linear-gradient(125deg,#526b9e,#6f86bd 48%,#c97ba9);box-shadow:0 25px 65px rgba(71,91,132,.22)}.music-card:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 35%,rgba(255,255,255,.18),transparent 23%),linear-gradient(90deg,transparent 45%,rgba(255,255,255,.04))}.music-copy{max-width:560px;z-index:2}.music-copy .section-number{color:rgba(255,255,255,.18)}.music-copy .eyebrow{color:#dce9ff;margin:0}.music-copy h2{color:#fff}.music-copy h2 em{color:#ffd9eb}.music-copy p{line-height:2}.equalizer{display:flex;align-items:center;gap:8px;height:180px;z-index:2}.equalizer span{width:10px;height:60px;border-radius:8px;background:linear-gradient(#fff,#ffc7e1);box-shadow:0 0 18px rgba(255,255,255,.3);animation:eq 1s ease-in-out infinite alternate}.equalizer span:nth-child(2){animation-delay:.1s}.equalizer span:nth-child(3){animation-delay:.3s}.equalizer span:nth-child(4){animation-delay:.5s}.equalizer span:nth-child(5){animation-delay:.2s}.equalizer span:nth-child(6){animation-delay:.65s}.equalizer span:nth-child(7){animation-delay:.4s}.equalizer span:nth-child(8){animation-delay:.75s}.equalizer span:nth-child(9){animation-delay:.15s}.music-notes{position:absolute;right:8%;top:13%;font-size:42px;opacity:.22;transform:rotate(-8deg)}
.final-cta{max-width:1180px;margin:0 auto 85px;border-radius:45px;min-height:550px;padding:55px 70px;display:grid;grid-template-columns:.85fr 1fr;align-items:center;gap:20px;position:relative;overflow:hidden;background:linear-gradient(135deg,#f0f8ff,#fff3f9);border:1.5px solid #d6e5f7;box-shadow:var(--shadow)}.final-bg{position:absolute;inset:0;background:radial-gradient(circle at 25% 55%,rgba(137,190,244,.2),transparent 25%),radial-gradient(circle at 75% 45%,rgba(246,154,197,.24),transparent 30%)}.cta-character{position:relative;z-index:2;width:430px;justify-self:center;filter:drop-shadow(0 20px 20px rgba(81,105,149,.16))}.cta-copy{position:relative;z-index:2}.cta-copy h2{font-size:clamp(44px,6vw,72px);line-height:1.1;margin:8px 0 18px;color:var(--ink-dark)}.cta-copy p{line-height:1.8}.play-btn-large{font-size:17px;margin-top:12px;padding:20px 32px}
footer{min-height:150px;padding:36px max(25px,calc((100vw - 1120px)/2));display:flex;align-items:center;gap:25px;background:#e1f0fc;border-top:1px solid #cbdff2}footer img{width:150px}footer p{font-size:12px;font-weight:800;margin-right:auto}footer a{font-size:12px;font-weight:1000}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .75s ease,transform .75s ease}.reveal.is-visible{opacity:1;transform:none}.delay-1{transition-delay:.12s}.delay-2{transition-delay:.22s}
@keyframes runBob{to{transform:translateY(-7px) rotate(-1deg)}}@keyframes float{to{transform:translateY(-12px) rotate(8deg)}}@keyframes teaFloat{to{transform:translateY(-15px) rotate(1.5deg)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes eq{0%{height:34px}100%{height:150px}}
@media(max-width:980px){.header-nav{display:none}.site-header{height:60px}.hero{grid-template-columns:1fr;padding:110px 28px 70px}.hero-copy{text-align:center}.hero-logo{margin-left:auto;margin-right:auto}.hero-actions,.hero-pills{justify-content:center}.hero-visual{max-width:720px;margin:auto;width:100%}.about-grid{grid-template-columns:1fr}.how-card{min-height:240px}.augment-carousel{grid-template-columns:repeat(7,180px)}.rainbow-section{grid-template-columns:1fr;text-align:center}.fifty-badge{margin-left:auto;margin-right:auto}.music-card{padding:50px 36px}.final-cta{grid-template-columns:1fr;text-align:center}.cta-character{width:330px}.cta-copy .play-btn{margin-left:auto;margin-right:auto}.section-intro{margin-left:0}.rainbow-visual{min-height:420px}}
@media(max-width:620px){.site-header{width:calc(100% - 20px);top:8px;padding-left:12px}.mini-brand{width:100px}.play-btn-small{padding:9px 13px}.hero{padding:90px 18px 55px}.hero h1{font-size:34px}.hero-lead{font-size:14px}.game-window{border-radius:26px}.stage-preview{height:290px}.runner{width:120px}.section{padding:76px 18px}.section-number{font-size:50px}.section-heading{gap:12px}.section-heading h2,.rainbow-copy h2,.music-copy h2{font-size:32px}.how-card{padding:24px 20px}.rainbow-visual{min-height:330px}.rainbow-ring{width:280px;height:280px}.music-card{padding:40px 24px;min-height:480px;display:block;text-align:center}.equalizer{height:140px;justify-content:center;margin-top:30px}.equalizer span{width:8px}.final-cta{margin:0 12px 55px;padding:35px 20px;border-radius:32px}.cta-character{width:280px}footer{flex-wrap:wrap}footer p{width:100%;order:3}.hero-pills{gap:5px}.hero-pills span{font-size:10px}.float-label{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.runner,.floating-cup,.rainbow-visual img,.rainbow-ring,.equalizer span{animation:none}.reveal{opacity:1;transform:none;transition:none}}
/* レインボー紅茶画像が未設置の間は通常のティーカップを虹色に回して代用 */
.rainbow-visual img.rainbow-fallback{width:min(300px,70%);animation:teaFloat 2.4s ease-in-out infinite alternate,rainbowHue 3s linear infinite}
@keyframes rainbowHue{from{filter:hue-rotate(0deg) saturate(1.6) drop-shadow(0 24px 25px rgba(178,107,180,.2))}to{filter:hue-rotate(360deg) saturate(1.6) drop-shadow(0 24px 25px rgba(178,107,180,.2))}}
/* hero-sparkles がグリッドの1マスを占有してレイアウトが崩れるのを防ぐ */
.hero-sparkles{position:absolute;inset:0;pointer-events:none;z-index:-1}
.hero-copy{grid-column:1}.hero-visual{grid-column:2;position:relative}
@media(max-width:980px){.hero-copy,.hero-visual{grid-column:1}}
/* スマホでメニュー非表示時も「今すぐ遊ぶ」を右端に */
.site-header .play-btn-small{margin-left:auto}.header-nav+.play-btn-small{margin-left:0}
@media(max-width:980px){.header-nav+.play-btn-small{margin-left:auto}}