.osp27{--ink:#080d3f;--sub:#4c5c76;--line:#dfe8f2;--soft:#f5f9fd;color:var(--ink);background:#fff;font-family:'Noto Sans JP','Hiragino Sans','Yu Gothic',sans-serif}.osp27 *{box-sizing:border-box}.osp27 .osp-wrap{width:min(1120px,calc(100% - 64px));margin:0 auto}.osp-hero{padding:92px 0 60px;background:linear-gradient(145deg,#fff 30%,#f2f8fd)}.osp-eyebrow{margin:0 0 18px;color:#596b86;font-size:11px;font-weight:700;letter-spacing:.18em}.osp-hero h1,.osp-detail h2,.osp-cta h2{margin:0;color:var(--ink);font-family:'Noto Serif JP','Yu Mincho',serif;font-weight:500;letter-spacing:-.025em}.osp-hero h1{font-size:clamp(40px,5vw,64px);line-height:1.45}.osp-lead{margin:26px 0 0;color:var(--sub);font-size:16px;line-height:2}.osp-services{padding:64px 0 80px}.osp-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid var(--line);background:#fff}.osp-card{position:relative;display:flex;min-height:390px;flex-direction:column;padding:34px 30px 30px;color:var(--ink);text-decoration:none;transition:background .2s,transform .2s}.osp-card+.osp-card{border-left:1px solid var(--line)}.osp-card:hover{background:var(--soft);transform:translateY(-2px)}.osp-num{font-size:11px;letter-spacing:.16em;color:#718099}.osp-kicker{margin:44px 0 10px;color:#53627c;font-size:12px;letter-spacing:.06em}.osp-card h2{margin:0;color:var(--ink);font-size:22px;line-height:1.55}.osp-card>p:last-of-type{margin:18px 0 0;color:var(--sub);font-size:14px;line-height:1.9}.osp-action{margin-top:auto;padding-top:30px;font-size:13px;font-weight:600}.osp-detail{scroll-margin-top:100px;padding:78px 0;background:var(--soft);border-top:1px solid #e8eef5;border-bottom:1px solid #e8eef5}.osp-detail-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:72px;align-items:start}.osp-detail h2{font-size:34px;line-height:1.6}.osp-detail-grid>div:last-child p{margin:0 0 18px;color:var(--sub);font-size:15px;line-height:2}.osp-cta{padding:84px 0 96px;text-align:center}.osp-cta h2{font-size:34px;line-height:1.6}.osp27 .osp-cta h2 span,.osp27 .osp-cta p:not(.osp-eyebrow) span{display:inline-block;color:inherit;font:inherit;letter-spacing:inherit}.osp-cta p:not(.osp-eyebrow){margin:18px 0 28px;color:var(--sub);font-size:15px}.osp-cta a{display:inline-flex;align-items:center;justify-content:center;min-width:270px;min-height:60px;padding:12px 30px;border-radius:999px;background:#080d3f;color:#fff;text-decoration:none;font-size:14px;font-weight:600;letter-spacing:.04em}.osp-cta a:hover{background:#14255e;color:#fff}@media(max-width:900px){.osp-grid{grid-template-columns:1fr}.osp-card{min-height:300px}.osp-card+.osp-card{border-left:0;border-top:1px solid var(--line)}.osp-detail-grid{grid-template-columns:1fr;gap:30px}}@media(max-width:760px){.osp27 .osp-wrap{width:calc(100% - 36px)}.osp-hero{padding:56px 0 42px}.osp-hero h1{font-size:36px;line-height:1.5}.osp-lead{font-size:14px;line-height:1.9}.osp-lead br{display:none}.osp-services{padding:36px 0 52px}.osp-card{min-height:270px;padding:28px 24px}.osp-kicker{margin-top:30px}.osp-card h2{font-size:20px}.osp-detail{padding:54px 0}.osp-detail h2,.osp-cta h2{font-size:28px}.osp-cta{padding:58px 0 70px}.osp-cta a{width:100%;min-width:0}}