.portfolio-hero{padding-bottom:72px}.portfolio-hero .hero-inner{grid-template-columns:1.18fr .82fr}.portfolio-visual{display:grid;gap:12px}.portfolio-stat{padding:18px;border:1px solid var(--line);border-radius:12px;background:rgba(20,124,255,.07)}.portfolio-stat strong{display:block;color:var(--brand2);font:700 12px "Manrope";letter-spacing:.1em;text-transform:uppercase}.portfolio-stat span{display:block;margin-top:5px;color:#c7d6e9}.intro-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.intro-item{padding:24px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(145deg,var(--card),rgba(4,17,36,.76));font-weight:700}.intro-item:before{content:'✓';display:block;margin-bottom:16px;color:var(--brand2)}.case{padding:96px 0;border-top:1px solid var(--line)}.case:nth-of-type(even){background:#06162d}.case-top{display:grid;grid-template-columns:.7fr 1.3fr;gap:54px;align-items:start}.case-index{color:var(--brand2);font:700 12px "Manrope";letter-spacing:.13em}.case h2{font-size:clamp(34px,4.2vw,50px);letter-spacing:-2px;margin:15px 0}.category{color:var(--brand2);font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.08em}.case-summary{color:var(--muted);font-size:18px;margin:0}.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:34px}.case-panel{padding:28px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(145deg,var(--card),rgba(4,17,36,.8))}.case-panel h3{font-size:21px;margin-bottom:16px}.case-panel p,.case-panel li{color:var(--muted)}.case-panel ul{margin:0;padding-left:20px}.case-panel li+li{margin-top:7px}.case-flow{display:grid;grid-template-columns:repeat(5,1fr);gap:22px;margin:32px 0}.flow-step{position:relative;min-height:98px;padding:18px 14px;border:1px solid var(--line);border-radius:13px;background:rgba(20,124,255,.07);display:grid;place-items:center;text-align:center;color:#d8e6f7;font-weight:700;font-size:14px}.flow-step:not(:last-child):after{content:'→';position:absolute;right:-18px;color:var(--brand2)}.detail-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.detail{padding:20px;border:1px solid var(--line);border-radius:14px;background:rgba(7,26,51,.62)}.detail h3{font-size:16px;margin-bottom:11px}.detail ul{padding-left:17px;margin:0}.detail li{color:var(--muted);font-size:14px}.detail li+li{margin-top:6px}.case-result{margin-top:28px;padding:27px;border-left:3px solid var(--brand);background:linear-gradient(90deg,rgba(20,124,255,.13),transparent)}.case-result strong{display:block;color:var(--brand2);font-size:13px;letter-spacing:.1em;text-transform:uppercase}.case-result p{margin:7px 0 0;font-size:18px}.learning-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:18px}.learning{padding:15px 17px;border:1px solid var(--line);border-radius:11px;color:#cbd9eb}.learning:before{content:'◎';margin-right:10px;color:var(--brand2)}.case-tech{margin-top:28px}.case-tech h3{font-size:18px;margin-bottom:14px}.service-links .card{display:flex;flex-direction:column;min-height:220px}.service-links .card-link{margin-top:auto;padding-top:22px;color:var(--brand2);font-weight:700;text-decoration:none}.service-links .card-link:hover{color:#fff}.portfolio-nav{display:flex;align-items:center;gap:24px}.portfolio-nav>a:not(.button){color:var(--muted);text-decoration:none;font-size:14px}.portfolio-nav>a:hover{color:var(--text)}@media(max-width:1000px){.detail-grid{grid-template-columns:repeat(2,1fr)}.intro-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:900px){.portfolio-nav>a:not(.button){display:none}.case-top{grid-template-columns:1fr;gap:18px}.case-flow{grid-template-columns:1fr;gap:20px}.flow-step{min-height:auto}.flow-step:not(:last-child):after{content:'↓';right:auto;bottom:-20px}.case-grid{grid-template-columns:1fr}}@media(max-width:600px){.portfolio-nav>.button{display:none}.intro-grid,.detail-grid,.learning-grid{grid-template-columns:1fr}.case{padding:74px 0}.portfolio-hero .hero-inner{grid-template-columns:1fr}.portfolio-stat{padding:16px}.case-panel{padding:22px}}