:root{--color-bg: #ffffff;--color-bg-alt: #f8f9fb;--color-accent: #4fb6d7;--color-accent-dark: #3591ad;--color-accent-light: #eaf6fa;--color-text: #1a1d2e;--color-text-2: #555e6e;--color-text-3: #9ba3b0;--color-border: #eaedf1;--font-h: "Noto Sans JP", sans-serif;--font-b: "Noto Sans JP", sans-serif;--max-w: 1060px;--header-h: 64px;--r: 14px;--ease: cubic-bezier(.16, 1, .3, 1)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:var(--header-h)}body{font-family:var(--font-b);background:#f7f9fb;color:var(--color-text);line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:hidden}body.loading{overflow:hidden}a{color:var(--color-accent-dark);text-decoration:none;transition:color .2s ease}a:hover{color:var(--color-accent)}img,svg{display:block;max-width:100%}ul{list-style:none}h1,h2,h3{font-family:var(--font-h);font-weight:700;line-height:1.2}.material-symbols-rounded{font-variation-settings:"FILL" 1,"wght" 400,"GRAD" 0,"opsz" 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rotate(-45deg)}.hero{min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:6rem 2rem 3rem;position:relative;background:var(--color-bg)}.hero-inner{text-align:center;max-width:760px}.hero-logo-wrap{width:clamp(180px,34vw,340px);margin:0 auto}.hero-logo-large{width:100%;height:auto;filter:drop-shadow(0 10px 28px rgba(53,145,173,.18))}.hero-eyebrow{font-family:var(--font-h);font-size:.75rem;font-weight:500;letter-spacing:.15em;text-transform:uppercase;color:var(--color-accent-dark);margin-bottom:1rem}.hero-title{font-size:clamp(1.8rem,5vw,3.8rem);font-weight:800;letter-spacing:-.02em;margin-bottom:1.25rem;perspective:600px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.hero-word{display:inline-block}.hero-word:first-child{color:var(--color-text);margin-right:.3em}.hero-word:last-child{color:var(--color-accent)}.hero-desc{font-size:clamp(.9rem,1.6vw,1.05rem);color:var(--color-text-2);line-height:1.8;max-width:760px;margin:0 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p{color:var(--color-text-2);font-size:.92rem}.about-note{background:var(--color-bg-alt);border-radius:var(--r);padding:2rem}.lt-badge{width:40px;height:40px;border-radius:10px;background:var(--color-accent-light);color:var(--color-accent);display:flex;align-items:center;justify-content:center;margin-bottom:1rem}.about-note h3{font-size:.95rem;margin-bottom:.5rem}.about-note p{font-size:.88rem;color:var(--color-text-2)}.lt-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;max-width:920px;margin:0 auto}.lt-card{background:#fff;border:1px solid #e5ebf3;border-radius:16px;padding:1.6rem;transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);box-shadow:0 3px 10px #0f172a0d}.lt-card:hover{transform:translateY(-3px);box-shadow:0 12px 30px #0f172a17;border-color:#d2dce7}.lt-icon{font-size:1.4rem;color:var(--color-accent);margin-bottom:.5rem}.lt-card h3{font-size:.92rem;margin-bottom:.4rem}.lt-card 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p{font-size:.82rem;color:var(--color-text-2)}.join-row{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center;max-width:920px;margin:0 auto}.join-row>*{min-width:280px;flex:1 1 320px;max-width:440px}.join-card{display:flex;align-items:center;gap:1rem;padding:1.5rem 1.75rem;background:var(--color-bg);border-radius:var(--r);color:var(--color-text);transition:all .35s var(--ease);box-shadow:0 1px 3px #0000000a}.join-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px #0000000f;color:var(--color-text)}.join-icon{width:24px;height:24px;flex-shrink:0;opacity:.7}.join-icon svg,.join-icon [data-icon],.link-icon svg,.link-icon [data-icon],[data-icon]{width:100%;height:100%}.join-card h3{font-size:.88rem;margin-bottom:.15rem}.join-card p{font-size:.75rem;color:var(--color-text-3)}.join-arrow{margin-left:auto;font-size:1.1rem;color:var(--color-text-3);transition:transform .3s var(--ease)}.join-card:hover 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