:root{--color-brand: #5b3d87;--color-brand-light: #7b5ea7;--color-header: #9aaa14;--color-header-text: #3a3a00;--color-bg: #f5f5f5;--color-surface: #ffffff;--color-text: #222222;--color-text-muted: #888888;--color-border: #e0e0e0;--shadow: 0 8px 32px rgba(0, 0, 0, .12)}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--color-bg: #1a1a1a;--color-surface: #242424;--color-text: #e8e8e8;--color-text-muted: #888888;--color-border: #333333;--shadow: 0 8px 32px rgba(0, 0, 0, .4)}}:root[data-theme=dark]{--color-bg: #1a1a1a;--color-surface: #242424;--color-text: #e8e8e8;--color-text-muted: #888888;--color-border: #333333;--shadow: 0 8px 32px rgba(0, 0, 0, .4)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;width:100%}body{font-family:-apple-system,BlinkMacSystemFont,Hiragino Kaku Gothic ProN,Hiragino Sans,Noto Sans JP,sans-serif;background-color:var(--color-bg);color:var(--color-text);overflow:hidden}#app{display:flex;flex-direction:column;height:100vh;width:100vw}.site-header{height:1.8em;min-height:1.8em;background-color:var(--color-header);flex-shrink:0;display:flex;align-items:center;padding:0 .75rem;z-index:100}.site-header .notice{font-size:.7em;color:var(--color-header-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1;opacity:.8}.theme-toggle{background:none;border:none;cursor:pointer;color:var(--color-header-text);display:flex;align-items:center;justify-content:center;padding:.2rem;border-radius:4px;transition:opacity .15s ease,background-color .15s ease;flex-shrink:0;opacity:.7}.theme-toggle:hover{opacity:1;background-color:#0000001a}.canvas-container{position:relative;flex:1;overflow:hidden}#three-canvas{display:block;width:100%;height:100%}.icon-tooltip{position:absolute;background:#000000b8;color:#fff;padding:4px 10px;border-radius:6px;font-size:.72rem;pointer-events:none;white-space:nowrap;z-index:20;transform:translate(-50%);letter-spacing:.02em}.fade-in{animation:fadeIn .8s ease forwards}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.site-footer{position:fixed;bottom:.75rem;right:1rem;font-size:.7rem;color:var(--color-text-muted);z-index:100;pointer-events:none}.modal-backdrop{position:fixed;inset:0;background:#00000080;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;opacity:0;pointer-events:none;transition:opacity .2s ease}.modal-backdrop.open{opacity:1;pointer-events:auto}.modal-box{background:var(--color-surface);border-radius:16px;box-shadow:var(--shadow);padding:2rem;max-width:520px;width:90vw;max-height:80vh;overflow-y:auto;position:relative;transform:translateY(16px);transition:transform .2s ease}.modal-backdrop.open .modal-box{transform:translateY(0)}.modal-close{position:absolute;top:1rem;right:1rem;background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--color-text-muted);line-height:1;padding:.25rem;border-radius:4px;transition:color .15s ease}.modal-close:hover{color:var(--color-text)}.modal-title{font-size:1.25rem;font-weight:700;color:var(--color-brand);margin-bottom:1.5rem}.services-list{display:flex;flex-direction:column;gap:.75rem}.service-item{display:flex;flex-direction:row;align-items:center;gap:1rem;padding:1rem 1.25rem;background:var(--color-bg);border-radius:12px;text-decoration:none;color:var(--color-text);transition:background-color .15s ease,transform .15s ease;border:1px solid var(--color-border)}.service-item:hover{background-color:#5b3d8714;transform:translateY(-2px)}.service-logo{flex-shrink:0;width:56px;height:56px;display:flex;align-items:center;justify-content:center}.service-logo-img{width:100%;height:100%;object-fit:contain}.service-logo-picture{width:100%;height:100%;display:flex;align-items:center;justify-content:center}.service-logo-svg{width:48px;height:48px;color:var(--color-text)}.service-text{display:flex;flex-direction:column;gap:.25rem}.service-item .service-name{font-size:.9rem;font-weight:700;line-height:1.3;color:var(--color-brand)}.service-item .service-desc{font-size:.78rem;line-height:1.5;color:var(--color-text);opacity:.8}.business-section{margin-bottom:1.5rem}.business-section:last-child{margin-bottom:0}.business-section h3{font-size:1rem;font-weight:700;color:var(--color-brand);margin-bottom:.75rem;padding-bottom:.5rem;border-bottom:2px solid var(--color-brand)}.business-section ul{list-style:none;display:flex;flex-direction:column;gap:.5rem}.business-section ul li{font-size:.9rem;padding-left:1rem;position:relative;line-height:1.6}.business-section ul li:before{content:"▸";position:absolute;left:0;color:var(--color-brand-light)}.about-content p{font-size:.9rem;line-height:1.8;margin-bottom:.75rem}.about-content p:last-child{margin-bottom:0}.about-heading{font-size:.95rem;font-weight:700;color:var(--color-brand);margin:1.25rem 0 .6rem;padding-bottom:.4rem;border-bottom:2px solid var(--color-brand)}.about-info{display:grid;grid-template-columns:auto 1fr;gap:.4rem 1rem;font-size:.88rem}.about-info dt{font-weight:600;color:var(--color-brand-light);white-space:nowrap}.about-info dd{margin:0;line-height:1.6}.about-timeline{display:flex;flex-direction:column;gap:1rem}.timeline-entry{display:flex;flex-direction:column;gap:.35rem}.timeline-period{font-size:.85rem;font-weight:700;color:var(--color-brand-light)}.about-timeline ul{list-style:none;display:flex;flex-direction:column;gap:.35rem;padding:0;margin:0}.about-timeline ul li{font-size:.85rem;padding-left:1rem;position:relative;line-height:1.6}.about-timeline ul li:before{content:"▸";position:absolute;left:0;color:var(--color-brand-light)}