:root{--about-display:clamp(3.25rem, 9vw, 7.5rem);--about-display-zh:clamp(2.75rem, 7vw, 6rem);--about-section-y:clamp(4.5rem, 10vw, 9rem)}.about-page{overflow:hidden}.about-container{width:100%;max-width:var(--container);padding-inline:var(--space-5);margin-inline:auto}.about-section{padding-block:var(--about-section-y);position:relative}.about-section+.about-section{border-top:1px solid var(--color-border)}.about-section__head{gap:var(--space-3);margin-bottom:clamp(2.5rem,6vw,5rem);display:grid}.about-eyebrow,.about-kicker,.about-step__no,.about-value__no{font-family:var(--font-mono);letter-spacing:.14em;text-transform:uppercase}.about-eyebrow{align-items:center;gap:var(--space-2);color:var(--color-accent);font-size:var(--text-xs);display:inline-flex}.about-eyebrow:before{background:var(--color-accent);content:"";width:18px;height:1px}.about-section__title{letter-spacing:-.02em;margin:0;font-size:clamp(2rem,4vw,3.25rem);font-weight:700;line-height:1.15}.about-section__title small{margin-top:var(--space-2);color:var(--color-text-muted);font-family:var(--font-mono);font-size:var(--text-sm);letter-spacing:.04em;font-weight:400;display:block}.about-lead{max-width:52ch;color:var(--color-text-muted);font-size:var(--text-lg);margin:0;line-height:1.75}.about-intro{border-bottom:1px solid var(--color-border);isolation:isolate;padding-block:clamp(4.5rem,11vw,10rem) clamp(4rem,8vw,7rem);position:relative}.about-intro:after{z-index:-1;background:linear-gradient(90deg, transparent, var(--color-accent));opacity:.45;content:"";transform-origin:100%;width:min(52vw,680px);height:1px;position:absolute;top:12%;right:-10%;transform:rotate(-45deg)}.about-intro__inner{gap:var(--space-6);display:grid}.about-intro__title{max-width:10ch;font-size:var(--about-display-zh);letter-spacing:-.04em;margin:0;font-weight:700;line-height:1.05}.about-intro__title-en{color:var(--color-text-muted);font-family:var(--font-mono);letter-spacing:.08em;margin:0;font-size:clamp(1rem,2vw,1.35rem)}.about-intro__lead{max-width:44ch;margin:var(--space-4) 0 0;color:var(--color-text-muted);font-size:clamp(1.1rem,2vw,1.4rem);line-height:1.7}.about-philosophy__grid{gap:var(--space-8);display:grid}.about-philosophy__statement{letter-spacing:-.03em;max-width:14ch;margin:0;font-size:clamp(1.8rem,4vw,3.5rem);font-weight:600;line-height:1.2}.about-philosophy__statement span{color:var(--color-accent)}.about-philosophy__body{gap:var(--space-5);max-width:62ch;display:grid}.about-philosophy__body p{color:var(--color-text-muted);font-size:var(--text-lg);margin:0;line-height:1.9}.about-method__steps{border-top:1px solid var(--color-border);display:grid}.about-step{gap:var(--space-4);padding-block:var(--space-6);border-bottom:1px solid var(--color-border);display:grid}.about-step__no{color:var(--color-accent);font-size:var(--text-sm)}.about-step__title{margin:0;font-size:clamp(1.45rem,3vw,2.25rem);line-height:1.25}.about-step__title small{margin-top:var(--space-2);color:var(--color-text-muted);font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.06em;font-weight:400;display:block}.about-step__body{max-width:55ch;color:var(--color-text-muted);margin:0;line-height:1.8}.about-culture__values{background:var(--color-border);border:1px solid var(--color-border);grid-template-columns:1fr;gap:1px;display:grid}.about-value{min-height:210px;padding:var(--space-5);background:var(--color-surface)}.about-value__no{margin-bottom:var(--space-7);color:var(--color-accent);font-size:var(--text-xs);display:block}.about-value__title{margin:0;font-size:1.5rem}.about-value__title small{margin-top:var(--space-1);color:var(--color-text-muted);font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.04em;font-weight:400;display:block}.about-value__body{max-width:30ch;margin:var(--space-4) 0 0;color:var(--color-text-muted);line-height:1.75}@media (width>=720px){.about-container{padding-inline:var(--space-6)}.about-step{gap:var(--space-6);grid-template-columns:5rem minmax(12rem,.8fr) minmax(0,1.45fr);align-items:start}.about-culture__values{grid-template-columns:repeat(2,1fr)}}@media (width>=960px){.about-philosophy__grid{gap:var(--space-8);grid-template-columns:minmax(14rem,.75fr) minmax(0,1.25fr)}}@media (width>=1080px){.about-intro__inner{grid-template-columns:minmax(0,1fr) minmax(18rem,.8fr);align-items:end}.about-intro__lead{margin:0 0 var(--space-2)}.about-culture__values{grid-template-columns:repeat(4,1fr)}.about-value{min-height:250px}}@media (prefers-reduced-motion:reduce){.about-intro:after{transform:none}}@media print{.about-intro:after{display:none}.about-section,.about-intro{padding-block:2rem}}