.social-start{align-content:center;gap:24px;max-width:860px;min-height:calc(100vh - 90px);padding:32px 20px;display:grid}.start-brand{color:#173e35;justify-self:center;align-items:center;gap:10px;font-size:1.35rem;font-weight:800;display:flex}.start-brand span{color:#fff;background:#146c63;border-radius:12px;place-items:center;width:42px;height:42px;display:grid}.start-card{text-align:center;background:#fff;border:1px solid #d9e6df;border-radius:28px;padding:clamp(28px,6vw,58px);box-shadow:0 24px 70px #173e3514}.start-kicker{color:#146c63;letter-spacing:.06em;font-weight:700}.start-card h1{margin:12px auto 24px;font-size:clamp(1.75rem,6vw,3rem)}.start-english{color:#173e35;font-size:clamp(2rem,7vw,4rem);font-weight:800;line-height:1.22}.start-japanese{margin-top:12px;font-size:1rem}.start-focus{color:#305e50;background:#eef6f2;border-radius:14px;gap:5px;max-width:580px;margin:28px auto;padding:16px;display:grid}.start-cta{color:#fff;background:#146c63;border-radius:12px;justify-content:center;align-items:center;min-height:54px;padding:12px 24px;font-weight:700;display:inline-flex}.start-note{margin-top:10px;font-size:.84rem}.start-flow{color:#49645c;text-align:center;grid-template-columns:repeat(3,1fr);gap:10px;font-size:.9rem;display:grid}@media (max-width:620px){.social-start{align-content:start;padding-top:20px}.start-card{border-radius:20px}.start-flow{text-align:left;grid-template-columns:1fr}}