:root{--sp-ink-900:#1a1a1e;--sp-ink-800:#26262b;--sp-gray-600:#52525b;--sp-gray-400:#a1a1aa;--sp-gray-200:#e4e4e7;--sp-gray-100:#f4f4f5;--sp-gray-50:#fafafa;--sp-cyan-600:#0891b2;--sp-cyan-400:#22d3ee;--sp-text:#27272a;--sp-text-muted:#71717a;--sp-radius:12px;--sp-shadow:0 4px 20px #18181b0f;--sp-grid-line:#1a1a1e12;--sp-ease-out:cubic-bezier(.22, 1, .36, 1);--sp-font:"Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "BIZ UDPGothic", Meiryo, system-ui, sans-serif;color-scheme:light}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{font-family:var(--sp-font);color:var(--sp-text);-webkit-font-smoothing:antialiased;background:#fff;margin:0;font-size:16px;line-height:1.85}a{color:var(--sp-cyan-600);text-underline-offset:3px}a:hover{color:var(--sp-ink-900)}img,svg{max-width:100%;height:auto}h1,h2,h3,h4{color:var(--sp-ink-900);margin:0 0 .8em;line-height:1.4}h3{letter-spacing:.04em;margin-top:1.8em;font-size:1.1rem}p{margin:0 0 1.2em}:focus-visible{outline:2px solid var(--sp-cyan-600);outline-offset:3px}.sp-container{max-width:1000px;margin:0 auto;padding:0 1.25rem}.sp-main{padding:2.5rem 0 4.5rem}.sp-section{margin-bottom:4rem}.sp-section:last-child{margin-bottom:0}.sp-skip{background:var(--sp-ink-900);color:#fff;z-index:100;padding:.5em 1em;position:absolute;top:0;left:-999px}.sp-skip:focus{top:.5rem;left:.5rem}.sp-header{-webkit-backdrop-filter:blur(10px);z-index:50;background:#ffffffeb;box-shadow:0 1px #0f172a14}.sp-header .sp-container{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;min-height:64px;display:flex}.sp-logo{letter-spacing:.06em;color:var(--sp-ink-900);white-space:nowrap;font-size:1.1rem;font-weight:700;text-decoration:none}.sp-logo span{color:var(--sp-gray-400);margin-left:.35em;font-weight:500}.sp-logo:hover{color:var(--sp-cyan-600)}.sp-nav ul{gap:.2rem;margin:0;padding:0;list-style:none;display:flex}.sp-nav a{color:var(--sp-ink-800);border-radius:999px;padding:.45em .85em;font-size:.9rem;text-decoration:none;transition:background .25s,color .25s;display:block}.sp-nav a:hover{background:var(--sp-gray-100);color:var(--sp-ink-900)}.sp-nav a[aria-current=page]{color:var(--sp-cyan-600);font-weight:600}@media (width>=641px){.sp-header{position:sticky;top:0}}@media (width<=640px){.sp-header .sp-container{flex-direction:column;align-items:flex-start;gap:.15rem;padding-top:.75rem;padding-bottom:.6rem}.sp-nav ul{flex-wrap:wrap;margin-left:-.65em}.sp-nav a{padding:.35em .65em;font-size:.85rem}}.sp-footer{border-top:1px solid var(--sp-gray-200);color:var(--sp-text-muted);padding:2.2rem 0;font-size:.85rem}.sp-footer .sp-container{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem 2rem;display:flex}.sp-footer ul{flex-wrap:wrap;gap:.3rem 1.3rem;margin:0;padding:0;list-style:none;display:flex}.sp-footer a{color:var(--sp-gray-600);text-decoration:none}.sp-footer a:hover{color:var(--sp-cyan-600)}.sp-footer small{font-size:inherit}.sp-hero{background-color:#fff;background-image:linear-gradient(to right, var(--sp-grid-line) 1px, transparent 1px), linear-gradient(to bottom, var(--sp-grid-line) 1px, transparent 1px);color:var(--sp-text);border:1px solid var(--sp-gray-200);border-radius:var(--sp-radius);background-size:28px 28px;padding:4rem 2.5rem;position:relative;overflow:hidden}.sp-hero:before{content:"";aspect-ratio:1;pointer-events:none;background:radial-gradient(circle,#22d3ee29 0%,#0000 65%);border-radius:50%;width:55%;position:absolute;inset:-25% -12% auto auto}.sp-hero>*{position:relative}.sp-hero .sp-avatar{object-fit:cover;background:#fff;border:3px solid #22d3ee80;border-radius:50%;width:116px;height:116px;margin-bottom:1.3rem;display:block;box-shadow:0 8px 22px #18181b24}.sp-hero-name{color:var(--sp-ink-900);letter-spacing:.04em;margin:0 0 .4em;font-size:clamp(1.8rem,4.5vw,2.8rem);font-weight:700;line-height:1.3}.sp-hero-name small{color:var(--sp-gray-400);letter-spacing:.22em;margin-top:.9em;font-size:.45em;font-weight:500;display:block}.sp-hero p{color:var(--sp-gray-600);max-width:46em;line-height:2}.sp-actions{flex-wrap:wrap;gap:.8rem;margin-top:1.6rem;display:flex}.sp-actions--center{justify-content:center}.sp-section-title{color:var(--sp-ink-900);letter-spacing:.06em;margin:0 0 1.4em;padding-bottom:.6em;font-size:clamp(1.35rem,3vw,1.7rem);font-weight:700;position:relative}.sp-section-title--page{margin-bottom:1.2em;font-size:clamp(1.6rem,4vw,2.1rem)}.sp-section-title:after{content:"";background:linear-gradient(90deg, var(--sp-ink-800), var(--sp-cyan-400));border-radius:2px;width:56px;height:3px;position:absolute;bottom:0;left:0}.sp-section-title .sp-en{letter-spacing:.24em;color:var(--sp-cyan-600);text-transform:uppercase;margin-bottom:.5em;font-size:.62rem;font-weight:600;display:block}.sp-lead{max-width:46em}.sp-cards{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));align-items:stretch;gap:1.4rem;margin:0;padding:0;list-style:none;display:grid}.sp-card{border:1px solid var(--sp-gray-200);border-top:3px solid var(--sp-ink-800);border-radius:var(--sp-radius);box-shadow:var(--sp-shadow);background:#fff;margin:0;padding:1.8rem 1.5rem}.sp-card h3{color:var(--sp-ink-900);letter-spacing:.04em;margin-top:0;margin-bottom:.8em;font-size:1.05rem}.sp-card p{color:var(--sp-text-muted);margin-bottom:0;font-size:.92rem;line-height:1.9}.sp-tags{flex-wrap:wrap;gap:.5rem;margin:.4rem 0 1.4rem;padding:0;list-style:none;display:flex}.sp-tags li{background:var(--sp-gray-100);color:var(--sp-ink-800);border:1px solid var(--sp-gray-200);border-radius:999px;margin:0;padding:.28em 1em;font-size:.82rem;line-height:1.6;transition:background .25s,border-color .25s}.sp-tags li:hover{border-color:var(--sp-cyan-400);background:#ecfeff}.sp-label{color:var(--sp-text-muted);letter-spacing:.04em;margin:1.6em 0 .2em;font-size:.9rem;font-weight:600}.sp-label:first-of-type{margin-top:0}.sp-timeline{max-width:46em;margin:0;padding:0;list-style:none}.sp-timeline li{grid-template-columns:4.5em 1fr;column-gap:1.6rem;padding-bottom:1.5rem;display:grid;position:relative}.sp-timeline li:last-child{padding-bottom:0}.sp-timeline li:before{content:"";background:var(--sp-gray-200);width:2px;position:absolute;top:.9em;bottom:-.4em;left:calc(4.5em + .8rem - 1px)}.sp-timeline li:last-child:before{display:none}.sp-timeline li:after{content:"";border:2px solid var(--sp-cyan-400);background:#fff;border-radius:50%;width:12px;height:12px;position:absolute;top:.55em;left:calc(4.5em + .8rem - 6px)}.sp-timeline-year{color:var(--sp-cyan-600);letter-spacing:.06em;font-variant-numeric:tabular-nums;font-weight:700}.sp-timeline p{margin:0}.sp-profile-head{align-items:center;gap:1.8rem;margin:.4rem 0 1.6rem;display:flex}.sp-profile-head .sp-avatar-profile{border:3px solid var(--sp-gray-200);width:140px;height:140px;box-shadow:var(--sp-shadow);object-fit:cover;background:#fff;border-radius:50%;flex-shrink:0}.sp-profile-head p{margin:0;line-height:2}.sp-profile-head .sp-social{margin-top:.7em;font-size:.88rem;line-height:1.6}.sp-profile-head .sp-social a{color:var(--sp-ink-800);border:1px solid var(--sp-gray-200);background:var(--sp-gray-50);border-radius:999px;padding:.3em 1em;text-decoration:none;transition:border-color .25s,color .25s;display:inline-block}.sp-profile-head .sp-social a:hover{border-color:var(--sp-cyan-400);color:var(--sp-cyan-600)}@media (width<=600px){.sp-profile-head{flex-direction:column;align-items:flex-start;gap:1.1rem}.sp-profile-head .sp-avatar-profile{width:112px;height:112px}}.sp-dl{margin:0}.sp-dl dt{color:var(--sp-ink-900);font-weight:700;display:inline}.sp-dl dt:after{content:":";margin-right:.4em}.sp-dl dd{margin:0;display:inline}.sp-dl div+div{margin-top:.3em}.sp-work-meta{background:var(--sp-gray-50);border-left:4px solid var(--sp-cyan-600);border-radius:0 8px 8px 0;margin-bottom:2.4rem;padding:1rem 1.3rem;font-size:.9rem}.sp-work-meta strong{color:var(--sp-ink-900)}.sp-work-meta--contact{font-size:1rem}.sp-work-meta .sp-tags{margin-bottom:0}.sp-breadcrumb{color:var(--sp-text-muted);margin:0 0 1.4rem;font-size:.85rem}.sp-breadcrumb ol{flex-wrap:wrap;gap:.2em .6em;margin:0;padding:0;list-style:none;display:flex}.sp-breadcrumb li+li:before{content:"›";color:var(--sp-gray-400);margin-right:.6em}.sp-breadcrumb a{color:var(--sp-gray-600);text-decoration:none}.sp-breadcrumb a:hover{color:var(--sp-cyan-600);text-decoration:underline}.sp-prose{max-width:46em}.sp-prose p{margin-bottom:1.3em}.sp-work-nav{border-top:1px solid var(--sp-gray-200);grid-template-columns:1fr 1fr;gap:1rem;margin:3rem 0 3.5rem;padding-top:1.6rem;display:grid}.sp-work-nav a{color:var(--sp-ink-900);font-size:.92rem;line-height:1.6;text-decoration:none;display:block}.sp-work-nav a:hover{color:var(--sp-cyan-600)}.sp-work-nav .sp-work-nav-label{letter-spacing:.16em;color:var(--sp-cyan-600);margin-bottom:.3em;font-size:.72rem;display:block}.sp-work-nav .sp-work-nav-next{text-align:right;grid-column:2}@media (width<=600px){.sp-work-nav{grid-template-columns:1fr}.sp-work-nav .sp-work-nav-next{text-align:left;grid-column:auto}}.sp-work-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.4rem;margin:0;padding:0;list-style:none;display:grid}.sp-work-card{border:1px solid var(--sp-gray-200);border-top:3px solid var(--sp-ink-800);border-radius:var(--sp-radius);box-shadow:var(--sp-shadow);background:#fff;flex-direction:column;margin:0;padding:1.7rem 1.6rem;display:flex;position:relative}.sp-work-card h3{letter-spacing:.02em;margin:0 0 .7em;font-size:1.02rem;line-height:1.65}.sp-work-card h3 a{color:var(--sp-ink-900);text-decoration:none;transition:color .25s}.sp-work-card h3 a:after{content:"";border-radius:var(--sp-radius);position:absolute;inset:0}.sp-work-card:hover h3 a{color:var(--sp-cyan-600);text-underline-offset:4px;text-decoration:underline}.sp-work-card .sp-tags{margin:0 0 .9rem}.sp-work-card p{color:var(--sp-text-muted);margin:auto 0 0;font-size:.88rem;line-height:1.8}.sp-panel{border:1px solid var(--sp-gray-200);border-top:3px solid var(--sp-ink-800);border-radius:var(--sp-radius);box-shadow:var(--sp-shadow);background:#fff;margin-bottom:1.6rem;padding:1.6rem}.sp-panel>:last-child{margin-bottom:0}.sp-form-embed{background:var(--sp-gray-50);border:0;border-radius:8px;width:100%;height:1150px;max-height:85vh;position:relative}.sp-cta{background-color:#fff;background-image:linear-gradient(to right, var(--sp-grid-line) 1px, transparent 1px), linear-gradient(to bottom, var(--sp-grid-line) 1px, transparent 1px);color:var(--sp-text);border:1px solid var(--sp-gray-200);border-radius:var(--sp-radius);text-align:center;background-size:28px 28px;padding:3rem 2rem}.sp-cta h2{color:var(--sp-ink-900);letter-spacing:.04em;font-size:clamp(1.25rem,3vw,1.5rem)}.sp-cta p{color:var(--sp-gray-600)}.sp-btn{background:linear-gradient(90deg, var(--sp-ink-900), #3f3f46);color:#fff;letter-spacing:.06em;transition:transform .25s var(--sp-ease-out), box-shadow .25s ease;border-radius:999px;padding:.8em 2.4em;font-size:.95rem;font-weight:600;line-height:1.5;text-decoration:none;display:inline-block;position:relative;overflow:hidden;box-shadow:0 6px 16px #18181b38}.sp-btn:after{content:"";pointer-events:none;background:linear-gradient(100deg,#0000,#ffffff4d,#0000);width:55%;height:100%;transition:left .6s;position:absolute;top:0;left:-80%;transform:skew(-20deg)}.sp-btn:hover{color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px #18181b4d}.sp-btn:hover:after{left:125%}.sp-btn--ghost{border:1.5px solid var(--sp-gray-400);color:var(--sp-ink-900);box-shadow:none;transition:border-color .25s ease, color .25s ease, background .25s ease, transform .25s var(--sp-ease-out);background:0 0}.sp-btn--ghost:after{content:none}.sp-btn--ghost:hover{border-color:var(--sp-ink-900);background:var(--sp-gray-100);color:var(--sp-ink-900);box-shadow:none;transform:translateY(-2px)}.sp-muted{color:var(--sp-text-muted);font-size:.9rem}.sp-divider{border:none;border-top:1px solid var(--sp-gray-200);margin:3rem 0}.sp-404{text-align:center;padding:3rem 0}.sp-404 .sp-404-code{letter-spacing:.1em;color:var(--sp-gray-200);margin-bottom:.2em;font-size:clamp(3rem,10vw,5rem);font-weight:700;line-height:1}.sp-motion .sp-reveal{opacity:0;transform:translateY(26px)}.sp-motion .sp-reveal.is-visible{opacity:1;transition:opacity .7s ease var(--sp-delay,0s), transform .7s var(--sp-ease-out) var(--sp-delay,0s);transform:none}.sp-motion .sp-section-title:after{width:0;transition:width .7s var(--sp-ease-out) .3s}.sp-motion .sp-section-title.is-visible:after{width:56px}.sp-motion .sp-hero .sp-avatar,.sp-motion .sp-hero .sp-hero-name,.sp-motion .sp-hero p,.sp-motion .sp-hero .sp-actions{animation:sp-hero-in .9s var(--sp-ease-out) both}.sp-motion .sp-hero .sp-hero-name{animation-delay:.2s}.sp-motion .sp-hero p{animation-delay:.32s}.sp-motion .sp-hero .sp-actions{animation-delay:.46s}@keyframes sp-hero-in{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}.sp-motion .sp-hero{animation:18s linear infinite sp-hero-grid}@keyframes sp-hero-grid{0%{background-position:0 0,0 0}to{background-position:28px 28px,28px 28px}}.sp-motion .sp-hero:before{animation:9s ease-in-out infinite alternate sp-glow}@keyframes sp-glow{0%{opacity:.75;transform:translate(0,0)scale(1)}to{opacity:1;transform:translate(-8%,10%)scale(1.15)}}.sp-card,.sp-work-card{transition:transform .35s var(--sp-ease-out), box-shadow .35s ease, border-top-color .35s ease}.sp-card:hover,.sp-work-card:hover{border-top-color:var(--sp-cyan-400);transform:translateY(-6px);box-shadow:0 14px 32px #18181b1f}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.sp-hero,.sp-hero:before,.sp-hero .sp-avatar,.sp-hero .sp-hero-name,.sp-hero p,.sp-hero .sp-actions{animation:none!important}.sp-card,.sp-work-card,.sp-btn{transition:none}.sp-card:hover,.sp-work-card:hover,.sp-btn:hover{transform:none}}@media (width<=600px){.sp-hero{padding:2.8rem 1.4rem}.sp-cta{padding:2.2rem 1.4rem}.sp-panel{padding:1.3rem 1.1rem}}