.proto-page .std-opener{min-height:min(100vh,900px);background:var(--ink);display:grid;place-items:center;padding:140px clamp(24px,5vw,64px) 80px;text-align:center}.proto-page .std-opener--compact{min-height:0;padding:clamp(120px,16vw,200px) clamp(24px,5vw,64px) clamp(56px,7vw,96px)}.proto-page .std-opener-label{font-family:var(--sans-en);font-size:12px;letter-spacing:.32em;color:var(--gold);text-transform:uppercase;font-weight:600;margin-bottom:12px}.proto-page .std-opener-label-ja{font-family:var(--sans-jp);font-size:12px;letter-spacing:.12em;color:var(--on-dark-dim);margin-bottom:clamp(48px,8vw,100px)}.proto-page .std-opener--compact .std-opener-label-ja{margin-bottom:clamp(28px,4vw,48px)}.proto-page .std-opener-statement{font-family:var(--sans-jp);font-size:clamp(26px,5vw,56px);line-height:1.55;font-weight:500;letter-spacing:.02em;color:var(--on-dark);margin-bottom:clamp(40px,6vw,80px);max-width:1000px;width:100%}.proto-page .std-opener--compact .std-opener-statement{margin-bottom:clamp(20px,3vw,36px)}.proto-page .std-opener-statement .accent{color:var(--gold);font-weight:700}.proto-page .std-opener-subline{font-family:var(--sans-jp-read);font-size:clamp(14px,1.4vw,17px);line-height:2;color:var(--on-dark-dim);max-width:640px;margin:0 auto clamp(40px,6vw,64px)}.proto-page .std-opener--compact .std-opener-subline{margin-bottom:0}.proto-page .std-opener-cue{font-family:var(--sans-en);font-size:10px;letter-spacing:.4em;color:var(--on-dark-dim);text-transform:uppercase}.proto-page .std-opener-cue:before{content:"— "}.proto-page .std-opener-cue:after{content:" —"}.proto-page .std-head{text-align:center;margin-bottom:clamp(40px,6vw,80px)}.proto-page .std-head--left{text-align:left}.proto-page .std-label{font-family:var(--sans-en);font-size:12px;letter-spacing:.28em;text-transform:uppercase;font-weight:600;margin-bottom:10px}.proto-page .std-label-ja{font-family:var(--sans-jp);font-size:13px;letter-spacing:.16em}.proto-page .on-dark .std-label{color:var(--gold)}.proto-page .on-dark .std-label-ja{color:var(--on-dark-dim)}.proto-page .on-light .std-label{color:var(--gold-deep)}.proto-page .on-light .std-label-ja{color:var(--on-light-dim)}.proto-page .std-sec{padding:var(--pad-section) 0}.proto-page .std-sec.on-dark{background:var(--ink-deep);color:var(--on-dark);overflow:hidden}.proto-page .std-sec.on-dark--flat{background:var(--ink)}.proto-page .std-sec.on-light{background:var(--light);color:var(--on-light)}.proto-page .std-why-grid{display:grid;grid-template-columns:1fr 1.6fr;gap:clamp(40px,6vw,100px);align-items:start}.proto-page .std-why-headline{font-family:var(--display-en);font-size:clamp(40px,6vw,80px);line-height:.95;letter-spacing:.02em;font-weight:400}.proto-page .std-why-headline-ja{font-family:var(--sans-jp);font-size:14px;letter-spacing:.18em;margin-top:14px;font-weight:500}.proto-page .on-light .std-why-headline{color:var(--on-light)}.proto-page .on-light .std-why-headline-ja{color:var(--on-light-dim)}.proto-page .std-why-body p{font-family:var(--sans-jp-read);font-size:16px;line-height:2;margin-bottom:26px}.proto-page .on-light .std-why-body p{color:var(--on-light)}.proto-page .std-why-body .accent-line{font-family:var(--sans-jp);font-size:clamp(20px,2.4vw,28px);line-height:1.7;color:var(--gold-deep);font-weight:700;letter-spacing:.04em;margin:clamp(28px,3vw,40px) 0;border-left:2px solid var(--gold-deep);padding-left:clamp(18px,2vw,28px)}.proto-page .std-rows{list-style:none;max-width:920px;margin:0 auto;padding:0}.proto-page .std-row{display:grid;grid-template-columns:96px 1fr;gap:clamp(20px,4vw,56px);align-items:baseline;padding:clamp(28px,4vw,44px) 0;transition:padding-left .4s ease}.proto-page .std-row:hover{padding-left:12px}.proto-page .on-dark .std-row{border-bottom:1px solid var(--on-dark-line)}.proto-page .on-light .std-row{border-bottom:1px solid var(--on-light-line)}.proto-page .std-row:last-child{border-bottom:none!important}.proto-page .std-row-num{font-family:var(--display-en);font-size:clamp(36px,4vw,56px);color:var(--gold);font-weight:400;letter-spacing:.04em;line-height:1}.proto-page .on-light .std-row-num{color:var(--gold-deep)}.proto-page .std-row-body{display:flex;flex-direction:column;gap:10px}.proto-page .std-row-name{font-family:var(--sans-jp);font-size:clamp(24px,3vw,36px);line-height:1.3;font-weight:700;letter-spacing:.04em}.proto-page .on-dark .std-row-name{color:var(--on-dark)}.proto-page .on-light .std-row-name{color:var(--on-light)}.proto-page .std-row-name-en{font-family:var(--sans-en);font-size:11px;letter-spacing:.24em;text-transform:uppercase;font-weight:600;color:var(--gold)}.proto-page .on-light .std-row-name-en{color:var(--gold-deep)}.proto-page .std-row-desc{font-family:var(--sans-jp-read);font-size:14px;line-height:1.85;max-width:640px}.proto-page .on-dark .std-row-desc{color:var(--on-dark-dim)}.proto-page .on-light .std-row-desc{color:var(--on-light-dim)}.proto-page a.std-row{text-decoration:none}.proto-page .std-row-more{font-family:var(--sans-en);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);font-weight:600;margin-top:6px}.proto-page .on-light .std-row-more{color:var(--gold-deep)}.proto-page .std-kv-list{max-width:920px;margin:0 auto;padding:0}.proto-page .std-kv-block{margin-bottom:clamp(36px,4vw,56px)}.proto-page .std-kv-block:last-child{margin-bottom:0}.proto-page .std-kv-sub{font-family:var(--sans-en);font-size:11px;letter-spacing:.24em;color:var(--gold);text-transform:uppercase;font-weight:600;margin-bottom:clamp(14px,1.5vw,20px)}.proto-page .std-kv-rows{list-style:none;padding:0}.proto-page .std-kv-rows li{display:grid;grid-template-columns:180px 1fr;gap:clamp(20px,3vw,36px);padding:14px 0;border-bottom:1px solid var(--on-dark-line);font-family:var(--sans-jp-read);font-size:14px;line-height:1.85}.proto-page .std-kv-rows li:last-child{border-bottom:none}.proto-page .std-kv-rows .key{color:var(--gold);font-family:var(--sans-jp);font-weight:500;letter-spacing:.04em}.proto-page .std-kv-rows .val{color:var(--on-dark-dim)}.proto-page .std-foot{font-family:var(--sans-jp);font-size:clamp(18px,2.2vw,26px);line-height:1.7;text-align:center;margin:clamp(48px,6vw,80px) auto 0;padding:0 clamp(20px,3vw,40px);max-width:800px;font-weight:500}.proto-page .on-dark .std-foot{color:var(--on-dark)}.proto-page .on-light .std-foot{color:var(--on-light)}.proto-page .std-foot strong{color:var(--gold);font-weight:700}.proto-page .on-light .std-foot strong{color:var(--gold-deep)}.proto-page .std-faq{max-width:800px;margin:0 auto}.proto-page .std-faq details{border-bottom:1px solid var(--on-dark-line)}.proto-page .std-faq summary{font-family:var(--sans-jp);font-size:clamp(15px,1.6vw,18px);font-weight:500;color:var(--on-dark);letter-spacing:.04em;line-height:1.7;padding:clamp(20px,2.5vw,28px) 40px clamp(20px,2.5vw,28px) 0;cursor:pointer;list-style:none;position:relative;transition:color .25s ease}.proto-page .std-faq summary::-webkit-details-marker{display:none}.proto-page .std-faq summary:after{content:"+";position:absolute;right:4px;top:50%;transform:translateY(-50%);font-family:var(--sans-en);font-size:20px;font-weight:300;color:var(--gold);transition:transform .3s ease}.proto-page .std-faq details[open] summary:after{transform:translateY(-50%) rotate(45deg)}.proto-page .std-faq summary:hover{color:var(--gold)}.proto-page .std-faq-a{font-family:var(--sans-jp-read);font-size:14px;line-height:2;color:var(--on-dark-dim);padding:0 40px clamp(20px,2.5vw,28px) 0;max-width:680px}@media (max-width:960px){.proto-page .std-why-grid{grid-template-columns:1fr;gap:28px}}@media (max-width:640px){.proto-page .std-opener{min-height:min(100vh,760px);padding-top:100px}.proto-page .std-opener--compact{min-height:0;padding-top:110px}.proto-page .std-opener-statement{font-size:24px;line-height:1.7;letter-spacing:0;padding:0 8px}.proto-page .std-why-headline{font-size:36px}.proto-page .std-row{grid-template-columns:56px 1fr;gap:16px;padding:22px 0}.proto-page .std-row-num{font-size:28px}.proto-page .std-row-name{font-size:20px}.proto-page .std-row-desc{font-size:13px}.proto-page .std-kv-rows li{grid-template-columns:1fr;gap:4px;padding:16px 0}}