@import url("https://fonts.googleapis.com/css2?family=Archivo:wght@400;500;600;700;800;900&family=IBM+Plex+Mono:wght@400;500;600;700&family=Oswald:wght@500;600;700&family=Noto+Sans+JP:wght@400;500;700;900&display=swap");:root{--ld-black:#0a0a0a;--ld-black-800:#141414;--ld-black-700:#161616;--ld-black-600:#1c1c1c;--ld-white:#fff;--ld-stone:#9c978c;--ld-gold:#c9a24b;--ld-gold-bright:#e7c56a;--ld-gold-dark:#9a7b34;--ld-line:#222;--ld-signal:#fe004c;--bg-base:var(--ld-black);--bg-gradient:linear-gradient(180deg,#0a0a0a,#161616);--bg-surface:var(--ld-black-800);--bg-elevated:var(--ld-black-600);--text-primary:var(--ld-white);--text-secondary:var(--ld-stone);--text-on-gold:var(--ld-black);--brand-accent:var(--ld-gold);--brand-accent-bright:var(--ld-gold-bright);--brand-accent-dark:var(--ld-gold-dark);--line-hard:var(--ld-white);--line-gold:var(--ld-gold);--line-soft:var(--ld-line);--accent-signal:var(--ld-signal);--font-display:"Archivo","Noto Sans JP",sans-serif;--font-jp:"Noto Sans JP",sans-serif;--font-mono:"IBM Plex Mono","Noto Sans JP",monospace;--font-num:"Oswald","Archivo",sans-serif;--fw-body:400;--fw-mono:700;--fw-display:700;--fw-jp-bold:900;--type-hero:clamp(64px,13vw,200px);--type-section:clamp(48px,8vw,120px);--type-h-jp:clamp(28px,4vw,56px);--type-h2:clamp(20px,2.6vw,28px);--type-eyebrow:13px;--type-body:16px;--type-body-sm:15px;--type-meta:13px;--type-meta-sm:12px;--lh-hero:0.92;--lh-tight:1.05;--lh-heading:1.15;--lh-body:1.85;--ls-hero:-0.03em;--ls-eyebrow:0.18em;--ls-mono:0.04em;--space-1:4px;--space-2:8px;--space-3:16px;--space-4:24px;--space-5:40px;--space-6:64px;--space-7:96px;--space-8:128px;--grid-cols:12;--grid-gutter:24px;--grid-module:64px;--container-max:1440px;--page-pad:clamp(24px,5vw,96px)}.ld-gridlines{background-image:linear-gradient(to right,var(--line-soft) 1px,transparent 1px),linear-gradient(to bottom,var(--line-soft) 1px,transparent 1px);background-size:var(--grid-module) var(--grid-module)}:root{--radius:0px;--border-1:2px;--border-2:3px;--border-hard:var(--border-1) solid var(--line-hard);--border-gold:var(--border-1) solid var(--line-gold);--border-soft:1px solid var(--line-soft);--shadow-card:8px 8px 0 var(--brand-accent);--shadow-card-hover:12px 12px 0 var(--brand-accent);--shadow-btn:6px 6px 0 var(--ld-black);--shadow-btn-hover:10px 10px 0 var(--ld-black);--shadow-gold:6px 6px 0 var(--brand-accent);--shadow-focus:4px 4px 0 var(--brand-accent);--motion-dur:180ms;--motion-ease:ease-out;--hover-shift:-4px;--press-shift:0px}*,:after,:before{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg-base);color:var(--text-primary);font-family:var(--font-jp);font-weight:var(--fw-body);font-size:var(--type-body);line-height:var(--lh-body);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}img,svg{display:block;max-width:100%}*{border-radius:0!important}a{transition:color var(--motion-dur) var(--motion-ease)}::selection{background:var(--brand-accent);color:var(--text-on-gold)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--bg-base)}::-webkit-scrollbar-thumb{background:var(--line-soft)}::-webkit-scrollbar-thumb:hover{background:var(--brand-accent-dark)}:root{--ld-gold:#e9ff14;--ld-gold-bright:#f2ff5e;--ld-gold-dark:#b4c500}body,html{margin:0;background:var(--bg-base)}a{color:var(--brand-accent);text-decoration:none}a:hover{color:var(--brand-accent-bright)}footer img{height:72px!important;width:auto!important;max-width:100%}.ld-sidebar .ld-logo-stack{display:block;height:72px;width:auto}.ld-sidebar .ld-logo-row{display:none;height:40px;width:auto}@media (max-width:860px){.ld-sidebar .ld-logo-stack{display:none}.ld-sidebar .ld-logo-row{display:block}}input:hover:not(:focus),select:hover:not(:focus),textarea:hover:not(:focus){border-color:var(--line-gold)!important;box-shadow:none!important}.ld-sidebar{position:fixed;top:0;left:0;height:100vh;width:256px;box-sizing:border-box;display:flex;flex-direction:column;justify-content:flex-start;gap:44px;padding:44px 34px;background:var(--bg-base);border-right:2px solid var(--line-hard);z-index:50;overflow-y:auto}.ld-main{margin-left:256px}.ld-sidebar nav{display:flex;flex-direction:column;gap:20px}.ld-navlink{font-family:var(--font-mono);font-weight:700;font-size:14px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-primary);width:max-content;border-bottom:2px solid transparent;padding-bottom:4px;transition:color .2s var(--motion-ease),border-color .2s var(--motion-ease)}.ld-navlink:hover{color:var(--brand-accent);border-color:var(--brand-accent)}.ld-navgroup{display:flex;flex-direction:column;gap:9px}.ld-navcat{font-family:var(--font-mono);font-weight:700;font-size:14px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-primary);width:max-content;border-bottom:2px solid transparent;padding-bottom:3px;transition:color .2s var(--motion-ease),border-color .2s var(--motion-ease)}.ld-navcat:hover,.ld-navcat[aria-current=page]{color:var(--brand-accent);border-color:var(--brand-accent)}.ld-navsub{display:flex;flex-direction:column;gap:7px;margin-left:1px;padding-left:13px;border-left:1px solid var(--line-soft)}.ld-navsublink{font-family:var(--font-mono);font-weight:700;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-secondary);width:max-content;transition:color .2s var(--motion-ease)}.ld-navsublink:hover{color:var(--brand-accent)}@media (max-width:860px){.ld-sidebar{overflow-y:visible}.ld-sidebar nav{gap:18px}.ld-navsub{display:none}.ld-navgroup{gap:0}}@media (max-width:640px){.ld-menu-row{gap:12px!important}.ld-menu-flat,.ld-menu-row{grid-template-columns:1fr!important}}@media (min-width:641px) and (max-width:920px){.ld-menu-flat,.ld-tagcards{grid-template-columns:repeat(2,minmax(0,1fr))!important}}@media (max-width:640px){.ld-tagcards{grid-template-columns:1fr!important}}.ld-navlink small{display:block;font-family:var(--font-jp);font-weight:400;font-size:11px;letter-spacing:0;text-transform:none;color:var(--text-secondary);margin-top:4px}.ld-side-cta{width:100%;margin-top:auto}.ld-side-cta>a,.ld-side-cta>button{display:flex;width:100%;box-sizing:border-box;justify-content:center}.ld-main header{padding-left:max(clamp(24px,5vw,96px),calc((100% - 1440px) / 2))!important;padding-right:max(clamp(24px,5vw,96px),calc((100% - 1440px) / 2))!important}@media (max-width:720px){.ld-biz-intro{grid-template-columns:1fr!important}}@media (max-width:860px){.ld-sidebar{position:-webkit-sticky;position:sticky;width:100%;height:auto;flex-direction:row;align-items:center;justify-content:space-between;gap:20px;padding:14px 24px;border-right:none;border-bottom:2px solid var(--line-hard)}.ld-main{margin-left:0}.ld-sidebar nav{flex-direction:row;flex-wrap:wrap;gap:18px}.ld-navlink small{display:none}.ld-stepflow-arrow{transform:none}}@media (max-width:560px){.ld-sidebar nav{display:none}.ld-stepflow{flex-direction:column}.ld-stepflow-arrow{transform:rotate(90deg);padding:8px 0!important;align-self:center}}@keyframes ld-marq{0%{transform:translateX(0)}to{transform:translateX(-50%)}}@media (prefers-reduced-motion:reduce){.ld-marquee-track{animation:none!important}}.ld-anim .ld-main>*{opacity:0;transform:translateY(28px);transition:opacity .7s var(--motion-ease),transform .7s var(--motion-ease);will-change:opacity,transform}.ld-anim .ld-main>.is-visible{opacity:1;transform:none}@media (prefers-reduced-motion:reduce){.ld-anim .ld-main>*{opacity:1!important;transform:none!important;transition:none!important}}.ld-filter-chip{cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;transition:border-color .2s var(--motion-ease),color .2s var(--motion-ease)}.ld-filter-chip:hover{border-color:var(--line-gold)!important}.ld-works-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:24px;gap:24px}@media (max-width:900px){.ld-works-grid{grid-template-columns:1fr}}.ld-cat-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border:2px solid var(--line-hard)}@media (max-width:900px){.ld-cat-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:520px){.ld-cat-grid{grid-template-columns:1fr}}html{scroll-behavior:smooth}[id]{scroll-margin-top:24px}@media (max-width:860px){[id]{scroll-margin-top:84px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}.ld-concept-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:24px;gap:24px}@media (max-width:1000px){.ld-concept-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:520px){.ld-concept-grid{grid-template-columns:1fr}}.ld-tbl-row{display:grid;grid-template-columns:120px minmax(200px,300px) 1fr}@media (max-width:720px){.ld-tbl-head{display:none!important}.ld-tbl-row{grid-template-columns:1fr}.ld-tbl-row>span{padding-bottom:4px!important}}@media (max-width:860px){.ld-profile{grid-template-columns:1fr!important}.ld-profile-left{border-right:none!important;border-bottom:2px solid var(--line-hard)}.ld-company{width:100%!important}}.ld-contact-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:clamp(40px,6vw,96px);gap:clamp(40px,6vw,96px);align-items:start}@media (max-width:980px){.ld-contact-grid{grid-template-columns:1fr}}.ld-form-2col{display:grid;grid-template-columns:1fr 1fr;grid-gap:24px;gap:24px}@media (max-width:560px){.ld-form-2col{grid-template-columns:1fr}}@media (max-width:860px){.ld-side-cta{width:auto;margin-top:0}.ld-side-cta>a,.ld-side-cta>button{width:auto}}.ld-legal{max-width:780px}.ld-clause{padding:clamp(28px,3.6vw,44px) 0;border-top:1px solid var(--line-soft)}.ld-clause:first-of-type{border-top:none}.ld-clause-head{display:flex;align-items:baseline;gap:18px;margin:0 0 18px}.ld-clause-num{font-family:var(--font-num);font-weight:700;font-size:clamp(28px,3.4vw,40px);line-height:1;color:var(--brand-accent);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;flex:none}.ld-clause-title{font-family:var(--font-jp);font-weight:900;font-size:clamp(19px,2.2vw,24px);line-height:1.35;color:var(--text-primary);margin:0;padding-top:2px}.ld-legal p{font-family:var(--font-jp);font-weight:400;font-size:16px;line-height:1.9;color:var(--text-secondary);margin:0 0 14px}.ld-legal p:last-child{margin-bottom:0}.ld-legal p.ld-lead{font-size:17px;color:var(--text-primary);line-height:1.95;margin-bottom:clamp(24px,3vw,40px)}.ld-legal ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.ld-legal ul li{font-family:var(--font-jp);font-weight:400;font-size:16px;line-height:1.8;color:var(--text-secondary);padding-left:20px;position:relative}.ld-legal ul li:before{content:"";position:absolute;left:0;top:.72em;width:9px;height:2px;background:var(--brand-accent)}.ld-legal .ld-def{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--text-primary)}.ld-legal strong{color:var(--text-primary);font-weight:700}