:root{--ozen-primary:#ff385c;--ozen-primary-hover:#e61e4d;--ozen-text:#222;--ozen-text-light:#717171;--ozen-text-muted:#b0b0b0;--ozen-bg:#fff;--ozen-bg-light:#f7f7f7;--ozen-border:#ebebeb;--ozen-shadow:0 6px 16px #0000001f;--ozen-shadow-hover:0 8px 28px #00000026;--ozen-radius:12px;--ozen-radius-lg:16px;--space-xs:.5rem;--space-sm:1rem;--space-md:1.5rem;--space-lg:2rem;--space-xl:3rem;--space-2xl:4rem;--space-3xl:6rem}*{box-sizing:border-box;margin:0;padding:0}body{color:var(--ozen-text);background-color:var(--ozen-bg);letter-spacing:0;font-family:Noto Sans JP Variable,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.6;overflow-x:hidden}.portal-main{background:var(--ozen-bg);min-height:100vh}.portal-container{max-width:1760px;margin:0 auto;padding:0 2.5rem}.ozen-hero{background:var(--ozen-bg);text-align:center;padding:5rem 0 4rem}.ozen-logo{letter-spacing:-.04em;color:var(--ozen-text);margin-bottom:1rem;font-size:clamp(3rem,8vw,5.5rem);font-weight:600;line-height:1.1}.ozen-subtitle{color:var(--ozen-text-light);margin:0;font-size:clamp(1.125rem,2.5vw,1.5rem);font-weight:400}.ozen-services{padding:2rem 0 6rem}.ozen-services-title{color:var(--ozen-text);letter-spacing:-.02em;text-align:center;margin-bottom:3rem;font-size:clamp(1.75rem,4vw,2.5rem);font-weight:600}.ozen-services-grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:2.5rem;display:grid}.ozen-service-card{background:var(--ozen-bg);border-radius:var(--ozen-radius-lg);color:inherit;box-shadow:var(--ozen-shadow);cursor:pointer;flex-direction:column;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;overflow:hidden}.ozen-service-card:hover{box-shadow:var(--ozen-shadow-hover);transform:translateY(-4px)}.ozen-service-image-wrapper{background:var(--ozen-bg-light);width:100%;padding-top:75%;position:relative;overflow:hidden}.ozen-service-image{object-fit:cover;transition:transform .5s cubic-bezier(.4,0,.2,1)}.ozen-service-card:hover .ozen-service-image{transform:scale(1.05)}.ozen-service-overlay{opacity:0;background:linear-gradient(#0000 0%,#0000004d 100%);transition:opacity .3s;position:absolute;inset:0}.ozen-service-card:hover .ozen-service-overlay{opacity:1}.ozen-service-content{flex-direction:column;flex:1;padding:1.5rem;display:flex}.ozen-service-title{color:var(--ozen-text);margin-bottom:.5rem;font-size:1.25rem;font-weight:600;line-height:1.3}.ozen-service-description{color:var(--ozen-text-light);margin:0;font-size:.9375rem;line-height:1.5}.ozen-other-services{border-top:1px solid var(--ozen-border);padding:4rem 0 6rem}.ozen-other-services-title{color:var(--ozen-text);letter-spacing:-.02em;text-align:center;margin-bottom:3rem;font-size:clamp(1.75rem,4vw,2.5rem);font-weight:600}.ozen-other-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2.5rem;max-width:1200px;margin:0 auto;display:grid}.ozen-other-card{background:var(--ozen-bg);border-radius:var(--ozen-radius-lg);color:inherit;box-shadow:var(--ozen-shadow);cursor:pointer;flex-direction:column;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;overflow:hidden}.ozen-other-card:hover{box-shadow:var(--ozen-shadow-hover);transform:translateY(-4px)}.ozen-other-image-wrapper{background:var(--ozen-bg-light);width:100%;padding-top:75%;position:relative;overflow:hidden}.ozen-other-image{object-fit:cover;transition:transform .5s cubic-bezier(.4,0,.2,1)}.ozen-other-card:hover .ozen-other-image{transform:scale(1.05)}.ozen-other-image-placeholder{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);justify-content:center;align-items:center;display:flex}.ozen-other-placeholder-content{background:linear-gradient(135deg,#f093fb 0%,#f5576c 100%);width:100%;height:100%}.ozen-other-overlay{opacity:0;background:linear-gradient(#0000 0%,#0000004d 100%);transition:opacity .3s;position:absolute;inset:0}.ozen-other-card:hover .ozen-other-overlay{opacity:1}.ozen-other-content{flex-direction:column;flex:1;padding:1.5rem;display:flex}.ozen-other-title{color:var(--ozen-text);margin-bottom:.5rem;font-size:1.125rem;font-weight:600;line-height:1.3}.ozen-other-description{color:var(--ozen-text-light);margin:0;font-size:.9375rem;line-height:1.5}.portal-footer{background:var(--ozen-bg);border-top:1px solid var(--ozen-border);margin-top:4rem;padding:4rem 0 2.5rem}.portal-footer-main{text-align:center}.portal-footer-links{flex-wrap:wrap;justify-content:center;gap:2rem;margin-bottom:2rem;display:flex}.portal-footer-links a{color:var(--ozen-text-light);font-size:.875rem;font-weight:400;text-decoration:none;transition:color .2s}.portal-footer-links a:hover{color:var(--ozen-primary)}.portal-footer-copyright{color:var(--ozen-text-muted);border-top:1px solid var(--ozen-border);padding-top:1.5rem;font-size:.8125rem}@media (max-width:1128px){.portal-container{padding:0 2rem}.ozen-services-grid,.ozen-other-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem}}@media (max-width:768px){.ozen-hero{padding:3rem 0 2rem}.ozen-services{padding:1.5rem 0 4rem}.ozen-services-title{margin-bottom:2rem}.ozen-services-grid{grid-template-columns:1fr;gap:1.5rem}.ozen-service-content{padding:1.25rem}.ozen-other-services{padding:3rem 0 4rem}.ozen-other-services-title{margin-bottom:2rem}.ozen-other-grid{grid-template-columns:1fr;gap:1.5rem}.ozen-other-content{padding:1.25rem}.portal-container{padding:0 1.5rem}.portal-footer{padding:3rem 0 2rem}.portal-footer-links{flex-direction:column;gap:1rem}}@media (max-width:480px){.portal-container{padding:0 1rem}.ozen-services-grid,.ozen-other-grid{gap:1.25rem}.ozen-service-content,.ozen-other-content{padding:1rem}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}