:root{--primary:#00AEEF;--primary-dark:#0090C5;--accent:#F59E0B;--text-main:#2C2C2C;--text-light:#666666;--text-muted:#999999;--bg-white:#FFFFFF;--bg-cream:#FAF7F3;--bg-warm:#FFF8F0;--border-warm:#EDE5DC;--font-ja:'Noto Sans JP',sans-serif;--font-en:'Montserrat',sans-serif;--font-deco:'Caveat',cursive;--sp-xs:0.5rem;--sp-sm:1rem;--sp-md:1.5rem;--sp-lg:2.5rem;--sp-xl:4rem;--sp-2xl:6rem;--max-w:1080px;--content-pad-x:clamp(1.5rem,3vw,2.5rem);--header-h:72px;--r-sm:8px;--r-md:14px;--r-lg:22px;--r-full:9999px;--shadow-sm:0 2px 8px rgba(0,0,0,0.06);--shadow-md:0 4px 20px rgba(0,0,0,0.09);--shadow-lg:0 8px 40px rgba(0,0,0,0.13);--transition:0.25s ease}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-padding-top:calc(var(--header-h) + 0.75rem)}@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}body{font-family:var(--font-ja);color:var(--text-main);line-height:1.85;background:var(--bg-white);-webkit-font-smoothing:antialiased}img{display:block;max-width:100%;height:auto}a{text-decoration:none;color:inherit;transition:opacity var(--transition)}a:hover{opacity:0.8}ul,ol{list-style:none}.font-en{font-family:var(--font-en)}.font-deco{font-family:var(--font-deco)}.text-center{text-align:center}.text-primary{color:var(--primary)}.text-accent{color:var(--accent)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;padding:0.75rem 1.75rem;border-radius:var(--r-full);font-family:var(--font-ja);font-size:1rem;font-weight:700;line-height:1.4;cursor:pointer;border:2px solid transparent;transition:transform var(--transition),box-shadow var(--transition),opacity var(--transition);white-space:nowrap}.btn:hover{opacity:1;transform:translateY(-2px)}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 4px 14px rgba(0,174,239,0.2)}.btn-primary:hover{box-shadow:0 6px 20px rgba(0,174,239,0.3)}.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary)}.btn-ghost{background:rgba(255,255,255,0.15);color:#fff;border-color:rgba(255,255,255,0.45);backdrop-filter:blur(4px)}.btn-ghost:hover{background:rgba(255,255,255,0.25)}.btn-lg{padding:1rem 2.25rem;font-size:1.05rem}.btn-block{width:100%;text-align:center;display:flex}.btn-line-icon{width:1.25em;height:1.25em;flex-shrink:0}.btn-text{display:inline-flex;align-items:center;gap:0.3rem;color:var(--primary);font-weight:700;font-size:0.9rem;transition:gap var(--transition)}.btn-text:hover{opacity:1;gap:0.6rem}.fade{opacity:0;transform:translateY(12px);transition:opacity 1.4s ease-out,transform 1.4s ease-out}.fade.delay-1{transition-delay:0.15s}.fade.delay-2{transition-delay:0.30s}.fade.visible{opacity:1;transform:translateY(0)}