:root{--lumen-ink:#1d2a39;--lumen-paper:#f7f2e8;--lumen-paper2:#e9e0d2;--lumen-coral:#c76543;--lumen-gold:#d6aa4d;--lumen-mist:#b9ccd0;--lumen-line:rgba(29,42,57,.22);--lumen-body:"Noto Sans JP",sans-serif;--lumen-display:"DM Serif Display","Noto Sans JP",serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--lumen-paper);color:var(--lumen-ink);font:16px/1.9 var(--lumen-body)}img{max-width:100%;display:block;object-fit:cover}a{color:inherit;text-underline-offset:.22em}button,input{font:inherit}:focus-visible{outline:3px solid var(--lumen-gold);outline-offset:4px}.lumen-skip{position:fixed;z-index:999;top:1rem;left:1rem;background:#fff;padding:.8rem;transform:translateY(-160%)}.lumen-skip:focus{transform:none}h1,h2,h3{font-family:var(--lumen-display);line-height:1.08}h2{font-size:clamp(2.4rem,6vw,6.2rem);letter-spacing:-.045em}.lumen-eyebrow{font:700 .72rem/1 var(--lumen-body);letter-spacing:.16em}.lumen-header{height:80px;display:flex;align-items:center;justify-content:space-between;padding:10px clamp(18px,5vw,72px);border-bottom:1px solid var(--lumen-line);background:rgba(247,242,232,.93);backdrop-filter:blur(15px);position:sticky;top:0;z-index:50}.lumen-brand img{width:220px}.lumen-nav{display:flex;align-items:center;gap:1.4rem;font-size:.82rem;font-weight:700}.lumen-nav a{text-decoration:none}.lumen-nav a:last-child{padding:.6rem .9rem;background:var(--lumen-ink);color:var(--lumen-paper)}.lumen-menu{display:none;border:0;background:none;font-weight:700}.lumen-progress{position:fixed;right:14px;top:105px;width:4px;height:110px;background:rgba(29,42,57,.14);z-index:60}.lumen-progress span{display:block;width:100%;height:0;background:var(--lumen-coral)}
.lumen-hero{min-height:calc(100vh - 80px);padding:clamp(2rem,5vw,5rem) clamp(18px,7vw,110px);background:var(--lumen-ink);color:var(--lumen-paper);position:relative;overflow:hidden}.lumen-grain{position:absolute;inset:0;opacity:.13;pointer-events:none;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.9'/%3E%3C/svg%3E");animation:lumenNoise 1.2s steps(2) infinite}.lumen-hero>*:not(.lumen-grain){position:relative}.lumen-hero h1{font-size:clamp(4.5rem,13vw,13rem);margin:.4rem 0 3rem;line-height:.78;letter-spacing:-.075em}.lumen-hero h1 em{color:var(--lumen-coral);font-style:italic}.lumen-hero-copy{display:grid;grid-template-columns:1fr 1fr;gap:4rem;max-width:1100px;margin-left:auto}.lumen-actions{display:flex;align-items:center;gap:1.3rem;flex-wrap:wrap}.lumen-button{display:inline-flex;justify-content:center;align-items:center;min-height:52px;padding:.8rem 1.3rem;background:var(--lumen-coral);color:#fff;border:1px solid var(--lumen-coral);text-decoration:none;font-weight:800;cursor:pointer}.lumen-link{font-weight:800}.lumen-hero-markers{display:flex;gap:1rem 2rem;flex-wrap:wrap;margin-top:3rem;padding-top:1.2rem;border-top:1px solid rgba(247,242,232,.3);font-size:.75rem}.lumen-essay,.lumen-chapter,.lumen-process,.lumen-glossary{display:grid;grid-template-columns:150px minmax(0,850px);gap:clamp(2rem,8vw,10rem);padding:clamp(5rem,10vw,10rem) clamp(18px,14vw,190px)}.lumen-essay aside,.lumen-chapter aside,.lumen-process aside,.lumen-glossary aside{border-top:2px solid var(--lumen-ink);font-weight:700}.lumen-essay aside p,.lumen-chapter aside p,.lumen-process aside p,.lumen-glossary aside p{font:4rem/1 var(--lumen-display);margin:.4rem 0}.lumen-drop::first-letter{float:left;font:6.5rem/.8 var(--lumen-display);color:var(--lumen-coral);padding:.2rem .6rem 0 0}.lumen-essay blockquote{font:italic clamp(1.5rem,3vw,2.6rem)/1.3 var(--lumen-display);padding:1.5rem 0;border-top:1px solid var(--lumen-line);border-bottom:1px solid var(--lumen-line);margin:3rem 0}.lumen-trust{background:var(--lumen-paper2);padding:clamp(4rem,8vw,8rem) clamp(18px,7vw,110px)}.lumen-trust-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--lumen-line);border-left:1px solid var(--lumen-line)}.lumen-trust-grid article{padding:1.5rem;border-right:1px solid var(--lumen-line);border-bottom:1px solid var(--lumen-line)}.lumen-chapter{background:#fffdf8}.lumen-benefits{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}.lumen-benefits article{border-top:3px solid var(--lumen-ink);padding:1.2rem 0}.lumen-benefits svg{width:48px;height:48px;fill:none;stroke:var(--lumen-coral);stroke-width:2}.lumen-photoessay{display:grid;grid-template-columns:1fr 1fr;background:var(--lumen-ink);color:var(--lumen-paper)}.lumen-photoessay>img{width:100%;height:100%;min-height:760px}.lumen-photoessay>div{padding:clamp(3rem,7vw,8rem)}table{width:100%;border-collapse:collapse;font-size:.88rem}th,td{padding:.8rem;border:1px solid rgba(247,242,232,.25);text-align:left;vertical-align:top}.lumen-process{background:var(--lumen-gold)}.lumen-process ol{list-style:none;padding:0;margin:0}.lumen-process li{padding:1.5rem 0 1.5rem 4rem;border-top:1px solid var(--lumen-line);position:relative}.lumen-process li::before{content:counter(list-item,decimal-leading-zero);position:absolute;left:0;top:1.5rem;font:2rem var(--lumen-display);color:var(--lumen-coral)}.lumen-process strong{font-size:1.3rem}.lumen-cases,.lumen-library,.lumen-voices,.lumen-faq,.lumen-selfcheck,.lumen-contact{padding:clamp(5rem,10vw,10rem) clamp(18px,7vw,110px)}.lumen-cases article{display:grid;grid-template-columns:.8fr 1.2fr;gap:5vw;align-items:center;border-top:1px solid var(--lumen-line);padding:3rem 0}.lumen-cases article:nth-of-type(odd) img{order:2}.lumen-cases img{width:100%;height:380px}.lumen-cases span{font-weight:800;color:var(--lumen-coral);letter-spacing:.14em;font-size:.75rem}.lumen-library{background:var(--lumen-mist)}.lumen-library-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--lumen-ink)}.lumen-library-grid article{background:var(--lumen-mist);padding:1.6rem;min-height:265px}.lumen-library-grid small{font-weight:700}.lumen-about{display:grid;grid-template-columns:1fr 1fr;background:#fffdf8}.lumen-about img{width:100%;height:100%;min-height:700px}.lumen-about>div{padding:clamp(3rem,7vw,8rem)}.lumen-selfcheck{background:var(--lumen-paper2)}.lumen-selfcheck>p{max-width:780px}.lumen-quiz{max-width:850px;background:#fffdf8;padding:clamp(1.5rem,4vw,4rem);margin-top:2rem}.lumen-quiz fieldset{border:0;border-top:1px solid var(--lumen-line);padding:1.5rem 0;margin:0}.lumen-quiz label{display:block;margin:.6rem 0}.lumen-check-cta{font-weight:700}.lumen-voices{background:var(--lumen-ink);color:var(--lumen-paper)}.lumen-disclosure{max-width:850px}.lumen-voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.lumen-voice-grid article{border:1px solid rgba(247,242,232,.35);padding:1rem}.lumen-voice-grid img{width:100%;aspect-ratio:1}.lumen-voice-grid blockquote{margin:1.2rem 0;font:1.4rem/1.35 var(--lumen-display)}.lumen-glossary-grid{display:grid;grid-template-columns:1fr 1fr}.lumen-glossary-grid article{padding:1rem;border-top:1px solid var(--lumen-line)}.lumen-faq{background:#fffdf8}.lumen-faq-grid{max-width:1000px}.lumen-faq details{border-top:1px solid var(--lumen-line);padding:1.2rem 0}.lumen-faq details:last-child{border-bottom:1px solid var(--lumen-line)}.lumen-faq summary{font-weight:800;cursor:pointer;font-size:1.1rem}.lumen-contact{display:grid;grid-template-columns:.8fr 1.2fr;gap:7vw;background:var(--lumen-coral)}.lumen-contact-intro ol{list-style:none;padding:0}.lumen-contact-intro li{display:grid;grid-template-columns:2rem 1fr;padding:.6rem 0;border-top:1px solid rgba(29,42,57,.3)}.lumen-contact-intro span{font-weight:800}.lumen-form{display:grid;grid-template-columns:1fr 1fr;gap:1rem;background:#fffdf8;padding:clamp(1.5rem,4vw,4rem);align-content:start}.lumen-form label{font-weight:700}.lumen-form input[type=text],.lumen-form input[type=email],.lumen-form input[type=tel]{width:100%;display:block;border:0;border-bottom:2px solid var(--lumen-ink);padding:.75rem .15rem;background:transparent}.lumen-form b{font-size:.72rem;color:var(--lumen-coral)}.lumen-wide{grid-column:1/-1}.lumen-phone{display:grid;grid-template-columns:70px 1fr;align-items:center;border-bottom:2px solid var(--lumen-ink)}.lumen-phone input{border:0!important}.lumen-consent{display:grid!important;grid-template-columns:26px 1fr;gap:.7rem;font-weight:400!important}.lumen-form-note{font-size:.84rem}.lumen-footer{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:3rem;padding:5rem clamp(18px,7vw,110px) 2rem;background:#101923;color:var(--lumen-paper)}.lumen-footer img{background:var(--lumen-paper);width:230px}.lumen-footer h2{font:700 .78rem var(--lumen-body);letter-spacing:.12em}.lumen-footer div:not(:first-child){display:flex;flex-direction:column;align-items:flex-start;gap:.5rem}.lumen-footer button{border:0;background:none;color:inherit;padding:0;text-decoration:underline;cursor:pointer}.lumen-footer address{font-style:normal;font-size:.83rem}.lumen-footer-bottom{grid-column:1/-1!important;flex-direction:row!important;justify-content:space-between;margin-top:2rem;padding-top:1.5rem;border-top:1px solid rgba(247,242,232,.25);font-size:.82rem}.lumen-cookie{position:fixed;z-index:100;left:1rem;right:1rem;bottom:1rem;max-width:1100px;margin:auto;padding:1.5rem;background:#fffdf8;color:var(--lumen-ink);border:2px solid var(--lumen-ink);display:grid;grid-template-columns:1fr auto;gap:2rem;box-shadow:0 20px 70px rgba(0,0,0,.3)}.lumen-cookie h2{font-size:1.4rem}.lumen-cookie button{padding:.8rem 1rem;border:1px solid var(--lumen-ink);background:#fff;cursor:pointer;font-weight:700}.lumen-cookie #cookie-accept{background:var(--lumen-ink);color:#fff}
@keyframes lumenNoise{0%{transform:translate(0,0)}50%{transform:translate(2%,1%)}100%{transform:translate(-1%,2%)}}@media(max-width:980px){.lumen-nav{display:none;position:absolute;left:0;right:0;top:80px;background:var(--lumen-paper);padding:1rem 2rem;flex-direction:column;align-items:stretch;border-bottom:1px solid var(--lumen-line)}.lumen-nav.is-open{display:flex}.lumen-menu{display:block}.lumen-essay,.lumen-chapter,.lumen-process,.lumen-glossary{grid-template-columns:1fr}.lumen-trust-grid,.lumen-library-grid{grid-template-columns:repeat(2,1fr)}.lumen-contact{grid-template-columns:1fr}.lumen-footer{grid-template-columns:1fr 1fr}.lumen-progress{display:none}}
@media(max-width:680px){body{font-size:15px}.lumen-header{height:72px}.lumen-brand img{width:180px}.lumen-nav{top:72px}.lumen-hero{min-height:calc(100vh - 72px)}.lumen-hero h1{font-size:clamp(4rem,19vw,7rem)}.lumen-hero-copy,.lumen-photoessay,.lumen-about,.lumen-cases article{grid-template-columns:1fr}.lumen-photoessay>img{min-height:400px}.lumen-cases article:nth-of-type(odd) img{order:0}.lumen-benefits,.lumen-trust-grid,.lumen-library-grid,.lumen-voice-grid,.lumen-glossary-grid{grid-template-columns:1fr}.lumen-form{grid-template-columns:1fr}.lumen-footer{grid-template-columns:1fr}.lumen-footer-bottom{flex-direction:column!important}.lumen-cookie{grid-template-columns:1fr;max-height:90vh;overflow:auto}.lumen-cookie div:last-child{display:flex;gap:.7rem;flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.lumen-grain{animation:none}}