:root{color-scheme:dark;--plum:#4f1236;--pink:#fa3a62;--coral:#fa464b;--wine:#960121;--berry:#72023b;--paper:#fff6f8;--muted:#e4b9ca;--line:#fa3a624d}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--plum);color:var(--paper);font-family:Arial,'Hiragino Kaku Gothic ProN','Yu Gothic',Meiryo,sans-serif;line-height:1.8}a{color:inherit;text-decoration:none}button{font:inherit}a,button{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:3px solid var(--paper);outline-offset:5px}img{display:block;max-width:100%;height:auto}h1,h2,h3,p,figure{margin:0}h1,h2,h3{line-height:1.45}h1,h2{text-wrap:balance;overflow-wrap:anywhere}p{overflow-wrap:anywhere}::selection{background:var(--pink);color:var(--plum)}.skip{position:fixed;top:-100px;left:20px;z-index:20;background:var(--paper);color:var(--plum);padding:10px}.skip:focus{top:10px}
.site-header{height:84px;padding:0 clamp(22px,5vw,80px);border-top:5px solid var(--coral);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:30px;position:sticky;top:0;z-index:10;background:#4f1236f5;backdrop-filter:blur(14px)}.wordmark{font-weight:800;letter-spacing:.14em;font-size:.875rem;color:var(--pink);white-space:nowrap}.header-nav{margin-left:auto;display:flex;gap:28px;font-size:.875rem}.header-nav a:hover{color:var(--pink)}.language-switch{display:flex;border:1px solid var(--line);border-radius:999px;padding:3px;flex-shrink:0}.language-switch button{cursor:pointer;border:0;background:transparent;color:var(--muted);border-radius:999px;padding:7px 15px;font-size:.875rem;min-height:38px}.language-switch button[aria-pressed=true]{background:var(--pink);color:var(--plum);font-weight:700}
.section{padding:64px clamp(22px,6vw,96px) 100px;position:relative;isolation:isolate}.section-label{display:flex;align-items:center;gap:20px;color:var(--pink);font-size:.8rem;letter-spacing:.08em;margin-bottom:45px}.section-label:after{content:'';height:1px;background:var(--line);flex:1}.section-label>span:first-child{white-space:nowrap;font-variant-numeric:tabular-nums}.section h2{font-size:clamp(1.9rem,3.2vw,3.1rem);letter-spacing:-.025em;max-width:1000px;margin-bottom:48px}.hero{min-height:calc(100svh - 84px);padding-top:34px;padding-bottom:25px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden}.hero-content{position:relative;z-index:1;flex:1;display:flex;flex-direction:column;align-items:center}.hero .section-label{width:100%;margin-bottom:auto}.hero-logo{width:min(1100px,100%);max-height:43svh;object-fit:contain;margin:30px auto 5px}.hero h1{font-size:clamp(1.7rem,3vw,3rem);color:var(--pink);letter-spacing:.03em}.discover{display:flex;gap:30px;align-items:center;font-size:.875rem;margin:26px 0 50px;color:var(--paper)}.discover>span:last-child{width:35px;height:35px;border:1px solid var(--pink);border-radius:50%;text-align:center;line-height:33px}.hero-bottom{display:flex;justify-content:space-between;gap:12px;font-size:.75rem;letter-spacing:.1em;color:var(--pink);z-index:1}.easter-egg{position:absolute;inset:0;z-index:0;opacity:0;background:url('easteregg.png') center/cover;pointer-events:none}
.idea{background:#44102f;border-top:1px solid var(--line)}.idea-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,6vw,95px);align-items:center}.portrait{border-radius:10px;overflow:hidden;border:1px solid var(--line)}.portrait img{width:100%;aspect-ratio:1;object-fit:cover}.idea-copy h3{font-size:clamp(1.3rem,2vw,1.8rem);color:var(--pink);margin-bottom:26px}.idea-copy p{font-size:1rem;line-height:2.1;margin-top:24px;max-width:590px}.join{background:var(--berry)}.join .section-label:after{background:#fa3a6280}.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:0 55px}.steps li{display:flex;gap:22px;padding:33px 0 38px;border-top:1px solid #fa3a6260}.step-number{font-size:2.5rem;line-height:1.25;font-weight:800;color:var(--pink);letter-spacing:-.06em}.steps h3{font-size:1.3rem;margin:1px 0 15px}.steps p{font-size:1rem;color:var(--paper);max-width:470px;line-height:1.9}.download{margin:35px auto 0;background:var(--pink);color:var(--plum);font-weight:800;font-size:1rem;display:flex;align-items:center;justify-content:space-between;gap:30px;padding:19px 30px;max-width:470px;border-radius:999px;transition:background .2s,transform .2s}.download:hover{background:var(--paper);transform:translateY(-2px)}.download>span:last-child{font-size:1.5rem;line-height:1}
.guide{background:var(--plum)}.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}.guide-grid figure>a{display:block;background:white;border-radius:8px;overflow:hidden}.guide-grid img{width:100%;height:auto}.guide-grid figcaption{padding:25px 5px 0;font-size:.95rem;color:var(--muted)}.dont-list{padding-left:24px;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:8px 28px}.dont-list li::marker{color:var(--pink);font-weight:700}.thanks{text-align:center;background:#44102f;border-top:1px solid var(--line)}.thanks .section-label{text-align:left}.thanks-logo{width:min(380px,65%);margin:0 auto 30px}.thanks h2{margin:0 auto 36px;color:var(--pink);max-width:1100px}.thanks-copy p{line-height:2.2;font-size:1rem}.social-links{display:flex;justify-content:center;gap:40px;margin-top:38px}.social-links a{border-bottom:1px solid var(--pink);padding:8px 3px;color:var(--pink);font-weight:700}.site-footer{padding:23px clamp(22px,6vw,96px);display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);font-size:.8rem;letter-spacing:.08em;color:var(--pink)}
@media(min-width:1500px){.section{padding-left:max(96px,calc((100vw - 1300px)/2));padding-right:max(96px,calc((100vw - 1300px)/2))}}
@media(max-width:760px){html{scroll-padding-top:74px}.site-header{height:74px;padding:0 20px;gap:12px}.wordmark{font-size:.75rem;letter-spacing:.1em}.header-nav{display:none}.language-switch{margin-left:auto}.language-switch button{font-size:.8rem;padding:6px 12px;min-height:36px}.section{padding:38px 22px 65px}.section-label{gap:12px;font-size:.75rem;margin-bottom:32px;letter-spacing:.025em}.section-label:after{min-width:15px}.section h2{font-size:1.9rem;margin-bottom:30px}.hero{min-height:calc(100svh - 74px);padding-top:25px;padding-bottom:23px}.hero .section-label{align-self:flex-start;font-size:.7rem}.hero-logo{width:calc(100% + 20px);max-width:none;margin:30px -10px 18px;max-height:35svh}.hero h1{font-size:1.8rem}.hero-bottom{font-size:.65rem;letter-spacing:.03em}.hero .section-label{margin-bottom:auto}.discover{margin-bottom:auto;padding-top:18px;padding-bottom:45px}.idea-grid{grid-template-columns:1fr;gap:32px}.idea-copy h3{font-size:1.35rem}.idea-copy p{line-height:2}.steps{grid-template-columns:1fr;gap:0}.steps li{padding:27px 0;gap:20px}.steps h3{font-size:1.2rem}.step-number{font-size:2.1rem}.download{padding:17px 24px;margin-top:25px}.guide-grid{grid-template-columns:1fr;gap:38px}.dont-list{font-size:.875rem;gap:8px 24px}.thanks-logo{width:70%;margin-bottom:25px}.thanks h2{font-size:1.7rem}.thanks-copy p{margin-bottom:14px;line-height:1.9}.site-footer{font-size:.7rem;padding:20px 22px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.download{transition:none}}