:root{--pink: #ff6b96;--pink-deep: #d44a76;--pink-mid: #ff9fbd;--pink-light: #5e3043;--pink-soft: #141113;--pink-tint: #262023;--on-pink: #3b0f22;--ink: #f7eff3;--ink-sub: #b9a7b0;--bg: #0c090b;--card: #1d1519;--radius: 20px;--header-h: 60px;--dots: radial-gradient(circle, rgba(255, 107, 150, .12) 2px, transparent 2.5px) 0 0 / 22px 22px}*,*:before,*:after{box-sizing:border-box}:root{color-scheme:dark}html{scroll-behavior:smooth;scroll-padding-top:var(--header-h)}body{margin:0;background:var(--pink-soft);color:var(--ink);font-family:Noto Sans JP,sans-serif;font-size:15px;line-height:1.8;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}img{display:block;max-width:100%}h1,h2,h3,p{margin:0}.container{width:min(1040px,100% - 40px);margin-inline:auto}.container.narrow{width:min(640px,100% - 40px);text-align:center}.sp{display:inline}@media(min-width:720px){.sp{display:none}}.btn{position:relative;overflow:hidden;isolation:isolate;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;background:linear-gradient(180deg,#ff9fbd 0%,var(--pink) 100%);color:var(--on-pink);font-weight:900;text-decoration:none;letter-spacing:.05em;white-space:nowrap;box-shadow:0 5px 0 var(--pink-deep),0 12px 24px -10px #ff6b9659;transition:transform .15s,box-shadow .15s}.btn:hover{transform:translateY(-2px);box-shadow:0 7px 0 var(--pink-deep),0 16px 28px -10px #ff6b9659}.btn:active{transform:translateY(4px);box-shadow:0 1px 0 var(--pink-deep),0 6px 12px -8px #ff6b9659}.btn:focus-visible{outline:3px solid rgba(255,107,150,.35);outline-offset:4px}.btn--lg:before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(105deg,transparent 35%,rgba(255,255,255,.45) 50%,transparent 65%);transform:translate(-120%);animation:glint 3.6s ease-in-out infinite}@keyframes glint{0%,55%{transform:translate(-120%)}85%,to{transform:translate(120%)}}.btn--sm{height:38px;padding:0 18px;font-size:13px;box-shadow:0 3px 0 var(--pink-deep)}.btn--sm:hover{box-shadow:0 4px 0 var(--pink-deep)}.btn--sm:active{box-shadow:0 0 0 var(--pink-deep);transform:translateY(3px)}.btn--lg{height:60px;padding:0 46px;font-size:18px}.btn--lg:after{content:"";width:8px;height:8px;margin-left:12px;border-top:2.5px solid currentColor;border-right:2.5px solid currentColor;transform:rotate(45deg)}.btn--block{display:flex;width:100%}.btn--white{background:#fff;color:var(--on-pink);box-shadow:0 5px 0 var(--pink-deep),0 14px 28px -12px #0009}.btn--white:hover{box-shadow:0 7px 0 var(--pink-deep),0 18px 30px -12px #0009}.btn--white:active{box-shadow:0 1px 0 var(--pink-deep)}.btn--white:before{background:linear-gradient(105deg,transparent 35%,rgba(255,107,150,.12) 50%,transparent 65%)}.note{margin-top:14px;font-size:12px;color:var(--ink-sub)}.deco{position:absolute;inset:0;pointer-events:none;z-index:0}.deco__i{position:absolute;left:var(--x);top:var(--y);width:var(--s);height:var(--s);fill:var(--pink);rotate:var(--r, 0deg);animation:float 5s ease-in-out infinite;animation-delay:var(--t, 0s)}.deco__i.is-light{fill:var(--pink-mid)}.deco__i.is-white{fill:#ffffffd9}.deco--hero{mix-blend-mode:overlay;opacity:.8}.deco--hero .deco__bubble{background:none;box-shadow:inset 0 0 0 2px #fffc}.deco--hero .deco__i{opacity:var(--o, 1);animation:drift 9s ease-in-out infinite;animation-delay:var(--t, 0s)}.deco__i.is-white{fill:#fff}.deco__i.is-pink{fill:var(--pink-mid)}.deco__i.is-outline{fill:none;stroke:#fff;stroke-width:1.4px;overflow:visible}.deco__i.is-outline.is-pinkline{stroke:var(--pink)}.deco__bubble{position:absolute;left:var(--x);top:var(--y);width:var(--s);height:var(--s);border-radius:50%;background:radial-gradient(circle at 32% 30%,#fffffff2 0 12%,#ffffff8c 13%,#ffffff40 70%);box-shadow:inset 0 0 0 1.5px #fffc;animation:drift 7s ease-in-out infinite;animation-delay:var(--t, 0s)}.deco__bubble.is-ring{background:none;box-shadow:inset 0 0 0 3px #ffffffbf}@keyframes drift{0%,to{transform:translate(0) rotate(0)}33%{transform:translate(6px,-14px) rotate(4deg)}66%{transform:translate(-6px,-6px) rotate(-3deg)}}@media(min-width:860px){.deco--hero .deco__i,.deco--hero .deco__bubble{width:calc(var(--s) * 1.35);height:calc(var(--s) * 1.35)}}@keyframes float{0%,to{transform:translateY(0) scale(1)}50%{transform:translateY(-10px) scale(1.08)}}.wave{position:absolute;left:0;width:100%;height:34px;z-index:1}.wave--bottom{bottom:-1px;fill:var(--bg)}.wave--top{top:-1px;fill:var(--pink-soft);transform:scaleY(-1)}.header{position:sticky;top:0;z-index:20;background:#0c090bcc;backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--pink-tint)}.header__inner{width:min(1040px,100% - 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