.install-wrap{max-width:900px;margin:auto;padding:64px 24px 80px;color:#173750}.install-intro h1{font-size:clamp(2.3rem,5vw,3.6rem);line-height:1.25;margin:18px 0 24px;letter-spacing:-.045em}.install-intro>p:last-child{line-height:1.85;color:#576773}.download-card{margin:36px 0 64px;padding:36px;background:#edf4f3;border:1px solid #d8e6e2;border-radius:24px}.release-badge{display:inline-block;background:#fff;color:#53685f;padding:7px 14px;border-radius:30px;font-size:.9rem}.download-card h2{margin:20px 0 12px;font-size:1.5rem}.download-card p{line-height:1.8}.download-button{display:block;margin-top:24px;padding:17px 24px;border:1px solid #bdccc6;border-radius:12px;background:#173750;color:#fff;font:inherit;font-weight:700;cursor:pointer;max-width:100%}.guide-jump{display:inline-block;margin-top:20px;text-decoration:underline;text-underline-offset:5px}.install-guide{scroll-margin-top:100px}.install-guide>h2{font-size:1.85rem}.together-note{padding:18px 22px;background:#fff2df;border-radius:12px;line-height:1.8}.step-overview{line-height:2;color:#65747c;margin:24px 0 32px}.guide-card{background:white;border:1px solid #e5e5df;border-radius:20px;padding:30px;margin:18px 0}.step-number{color:#8b6651;font-weight:700;letter-spacing:.08em}.guide-card h3{font-size:1.35rem;margin:10px 0 18px}.guide-card p{line-height:1.85;color:#4d5d67;margin:12px 0;word-break:keep-all;overflow-wrap:anywhere}.role-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.role-grid>div{background:#f6f7f4;padding:20px;border-radius:12px}.role-grid h4{margin:0;font-size:1.05rem}.guide-card details{margin-top:20px;border-top:1px solid #e2e6e3;padding-top:18px}.guide-card summary{cursor:pointer;font-weight:600;line-height:1.6}.install-contact{margin-top:48px;text-align:center}.install-contact h2{font-size:1.25rem}.install-contact a{text-decoration:underline;text-underline-offset:5px}.install-footer{text-align:center;padding:32px 20px;background:#edf0ec;color:#52616a}.install-footer a{font-size:.9rem}.install-wrap a:focus-visible,.install-wrap summary:focus-visible{outline:3px solid #b77442;outline-offset:5px}@media(max-width:600px){.install-wrap{padding:40px 18px 56px}.download-card{padding:24px;margin-bottom:40px}.guide-card{padding:24px 20px}.role-grid{grid-template-columns:1fr}.install-guide>h2{font-size:1.55rem}.header-inner>a:last-child{font-size:.85rem}}
.download-button{background:#173750;color:#fff;border-color:#173750;cursor:pointer;text-decoration:none;text-align:center}.download-button:hover{background:#24516d}
.install-qr{display:flex;align-items:center;gap:24px;margin-top:28px;padding-top:24px;border-top:1px solid #d8e6e2}.install-qr>a{flex:none;display:block;background:#fff;border-radius:12px;padding:8px}.install-qr img{display:block;width:200px;height:200px}.install-qr h3{font-size:1.15rem;margin:0 0 10px}.install-qr p{margin:0}@media(max-width:600px){.install-qr{flex-direction:column;text-align:center;gap:16px}}