:root{--bg:#f5f5f3;--surface:#fff;--text:#161616;--muted:#666;--line:#d9d9d4;--soft:#ecece8;--accent:#181818;--max:1180px;color-scheme:light dark}
@media(prefers-color-scheme:dark){:root{--bg:#101010;--surface:#191919;--text:#f2f2ee;--muted:#aaa;--line:#363636;--soft:#252525;--accent:#f1f1ed}}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif;line-height:1.74}a{color:inherit}img{max-width:100%}.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:16px;background:var(--surface);padding:10px;z-index:99}.site-header{position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(18px)}.nav{max-width:var(--max);margin:auto;padding:12px 20px;display:flex;align-items:center;gap:20px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800}.brand img{width:38px;height:38px;border-radius:10px}.nav-links{margin-left:auto;display:flex;gap:16px;align-items:center;flex-wrap:wrap}.nav-links a{text-decoration:none;color:var(--muted);font-size:.92rem}.nav-links a:hover{color:var(--text)}main{max-width:var(--max);margin:auto;padding:56px 20px 100px}.hero{display:grid;grid-template-columns:1.25fr .75fr;gap:58px;align-items:center;padding:56px 0 76px}.hero-logo{aspect-ratio:1;width:min(100%,350px);justify-self:end}.hero-logo img{width:100%;height:100%;object-fit:contain;border-radius:26%}.eyebrow{font-size:.78rem;letter-spacing:.13em;text-transform:uppercase;font-weight:800;color:var(--muted)}h1{font-size:clamp(2.5rem,6.5vw,5.6rem);line-height:1.02;letter-spacing:-.055em;margin:.2em 0}.legal h1,.article h1{font-size:clamp(2.2rem,5vw,4rem)}h2{font-size:clamp(1.7rem,4vw,2.8rem);line-height:1.16;letter-spacing:-.035em}h3{line-height:1.35}.lead{font-size:clamp(1.08rem,2vw,1.35rem);color:var(--muted);max-width:760px}.section{border-top:1px solid var(--line);padding:58px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:22px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:28px}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.card{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:24px}.product-card{display:grid;grid-template-columns:130px 1fr;gap:22px;align-items:center}.app-icon{width:130px;aspect-ratio:1;border-radius:28%;object-fit:cover;background:var(--soft)}.subname{color:var(--muted);font-weight:650;font-size:.9rem;margin-top:-8px}.status{display:inline-flex;padding:6px 11px;background:var(--soft);border-radius:999px;font-size:.84rem;font-weight:700}.button{display:inline-block;text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:11px 17px;background:var(--surface);font-weight:700}.button.primary{background:var(--accent);color:var(--bg);border-color:var(--accent)}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}.note-list{display:grid;gap:12px;margin-top:22px}.note-link{display:block;padding:18px 20px;border:1px solid var(--line);border-radius:16px;background:var(--surface);text-decoration:none}.muted{color:var(--muted)}.notice{padding:17px 19px;border-left:4px solid var(--accent);border-radius:0 14px 14px 0;background:var(--surface)}.legal,.article,.narrow{max-width:850px}.legal h2,.article h2{margin-top:44px}.toc{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:20px}.hero-app{padding:48px 0 25px}.badges{display:flex;gap:8px;flex-wrap:wrap}.badge{padding:6px 11px;border-radius:999px;background:var(--soft);font-size:.84rem;font-weight:650}.gallery{margin-top:30px}.gallery-viewport{overflow-x:auto;scroll-snap-type:x mandatory;display:flex;gap:18px;padding:4px 2px 18px;scrollbar-width:thin}.slide{scroll-snap-align:center;width:360px;min-width:360px;flex:0 0 360px;background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:18px}.shot-placeholder{aspect-ratio:9/19.5;background:linear-gradient(145deg,var(--soft),var(--surface));border:1px dashed var(--muted);border-radius:28px;display:grid;place-items:center;text-align:center;color:var(--muted);padding:25px}.gallery-controls{display:flex;align-items:center;gap:12px;margin-top:12px}.icon-button{border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:999px;width:42px;height:42px;font-size:20px}.guide-box{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:26px}.socials{display:flex;flex-wrap:wrap;gap:10px}.socials a{padding:9px 13px;border:1px solid var(--line);border-radius:999px;text-decoration:none}.reception{display:grid;gap:6px;padding:18px 20px;border:1px solid var(--line);border-radius:16px;background:var(--surface)}.reception strong{font-size:1.1rem}.detail-list{display:grid;gap:16px}.detail{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:22px}.detail h3{margin-top:0}.article-meta{color:var(--muted);display:flex;gap:14px;flex-wrap:wrap}.ai-locale-note{font-size:.92rem;color:var(--muted)}footer{padding:36px 20px;border-top:1px solid var(--line);color:var(--muted)}.footer-inner{max-width:var(--max);margin:auto;display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}.footer-links{display:flex;gap:13px;flex-wrap:wrap}.footer-links a{text-decoration:none}@media(max-width:800px){.hero{grid-template-columns:1fr}.hero-logo{justify-self:start;width:210px}.grid,.grid.three{grid-template-columns:1fr}.product-card{grid-template-columns:92px 1fr}.app-icon{width:92px}.nav-links .optional{display:none}.section-head{align-items:start;flex-direction:column}}
.design-details{border:1px solid var(--line);border-radius:22px;background:var(--surface);overflow:hidden}.design-details summary{cursor:pointer;list-style:none;padding:22px 58px 22px 24px;font-weight:750;position:relative}.design-details summary::-webkit-details-marker{display:none}.design-details summary::after{content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);font-size:1.5rem;color:var(--muted)}.design-details[open] summary::after{content:"−"}.design-content{border-top:1px solid var(--line);padding:26px}.design-content h2{margin-top:8px}.design-content img{display:block;width:100%;height:auto;margin:24px 0;border-radius:16px;background:var(--bg)}.design-note{color:var(--muted);font-size:.92rem}

.app-screenshot{display:block;width:100%;height:auto;border-radius:28px;background:var(--soft);object-fit:contain}

.diagram-list{display:grid;gap:22px;margin-top:24px}.diagram-card{margin:0;padding:20px;border:1px solid var(--line);border-radius:18px;background:var(--bg)}.diagram-card figcaption{display:grid;gap:6px}.diagram-card figcaption strong{font-size:1.06rem}.diagram-card figcaption span{color:var(--muted)}.diagram-card img{display:block;width:100%;height:auto;margin-top:18px;border-radius:14px;background:var(--surface)}@media(max-width:650px){.design-content{padding:20px}.diagram-card{padding:14px}.diagram-card img{overflow-x:auto}}

@media(max-width:640px){.gallery{max-width:360px;margin-left:auto;margin-right:auto}.gallery-viewport{gap:0}.slide{width:100%;min-width:100%;flex:0 0 100%}}

/* NARABI_MOBILE_GALLERY_COMPACT_V3 */
@media(max-width:640px){
  .gallery{max-width:100%;margin-left:auto;margin-right:auto}
  .gallery-viewport{gap:0}
  .slide{width:100%;min-width:100%;flex:0 0 100%}
  .app-screenshot{display:block;width:auto;max-width:72%;height:auto;max-height:360px;margin-left:auto;margin-right:auto;object-fit:contain}
}
/* END_NARABI_MOBILE_GALLERY_COMPACT_V3 */