:root{--c-brand: #2563EB;--c-brand-deep: #0F172A;--c-accent: #F59E0B;--c-accent-ink: #1F1300;--c-accent-on-dark: color-mix(in srgb, var(--c-accent) 65%, white);--c-ink: #0F172A;--c-ink-2: #475569;--c-ink-muted: #5B6B82;--c-line: #E2E8F0;--c-surface: #FFFFFF;--c-surface-2: #F8FAFC;--c-surface-3: #0F172A;--font-display: "Noto Sans JP", system-ui, sans-serif;--font-body: "Noto Sans JP", system-ui, sans-serif;--fs-display: clamp(2.6rem, 6.2vw, 4.75rem);--fs-h1: clamp(2rem, 4.2vw, 3.25rem);--fs-h2: clamp(1.55rem, 3vw, 2.35rem);--fs-h3: clamp(1.15rem, 1.6vw, 1.4rem);--fs-body: clamp(.95rem, 1.05vw, 1.0625rem);--fs-small: .8125rem;--fs-micro: .6875rem;--fw-black: 800;--fw-bold: 700;--fw-medium: 500;--fw-regular: 400;--lh-tight: 1.12;--lh-snug: 1.4;--lh-body: 1.75;--tracking-tight: 0;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-7: 48px;--space-8: 64px;--space-9: 96px;--space-10: 128px;--section-y: clamp(4rem, 8vw, 7rem);--section-y-lg: clamp(4rem, 9vw, 9rem);--section-y-sm: clamp(2.5rem, 5vw, 4rem);--heading-gap: clamp(1.5rem, 3vw, 2.5rem);--content-max: 1120px;--gutter: clamp(1.25rem, 4vw, 3rem);--r-sm: 8px;--r-md: 14px;--r-lg: 22px;--r-pill: 999px;--shadow-1: 0 1px 2px rgba(15,23,42,.06), 0 1px 3px rgba(15,23,42,.05);--shadow-2: 0 4px 12px rgba(15,23,42,.08), 0 2px 4px rgba(15,23,42,.05);--shadow-3: 0 18px 40px rgba(15,23,42,.14), 0 6px 12px rgba(15,23,42,.08);--shadow-accent: 0 10px 24px color-mix(in srgb, var(--c-accent) 28%, transparent);--shadow-accent-hover: 0 16px 32px color-mix(in srgb, var(--c-accent) 36%, transparent);--ease: cubic-bezier(.16, 1, .3, 1);--dur: .45s}.btn{display:inline-flex;align-items:center;gap:.5em;font-family:var(--font-display);font-weight:var(--fw-bold);font-size:var(--fs-body);line-height:1;padding:.95em 1.6em;border-radius:var(--r-pill);border:1px solid transparent;cursor:pointer;text-decoration:none;transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background-color var(--dur) var(--ease);min-height:48px}.btn--primary{background:var(--c-accent);color:var(--c-accent-ink);box-shadow:var(--shadow-accent)}.btn--primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-accent-hover)}.btn--ghost{background:transparent;color:var(--c-ink);border-color:var(--c-line)}.btn--ghost:hover{transform:translateY(-2px);border-color:var(--c-brand);box-shadow:var(--shadow-2)}.btn:focus-visible{outline:3px solid var(--c-brand);outline-offset:2px}@media(prefers-reduced-motion:reduce){.btn{transition:background-color var(--dur) var(--ease)}.btn--primary:hover,.btn--ghost:hover{transform:none}}.accent-text{color:var(--c-accent);font-weight:var(--fw-black)}