:root{--ink:#132538;--muted:#607286;--line:#dbe5ec;--soft:#f4f8fb;--accent:#087f93;--accent-strong:#00677a;--navy:#071b2e;--cyan:#36d0e7;--side:292px;--shadow:0 18px 50px rgba(11,37,59,.10)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#f7fafc;color:var(--ink);font-family:"Segoe UI",Tahoma,"Noto Sans Thai",sans-serif;line-height:1.72;-webkit-font-smoothing:antialiased}
a{color:var(--accent-strong)}
.skip-link{position:fixed;left:14px;top:-80px;z-index:100;background:#fff;color:var(--navy);padding:10px 14px;border-radius:8px;box-shadow:var(--shadow)}
.skip-link:focus{top:14px}
.top{min-height:82px;display:flex;align-items:center;padding:12px clamp(20px,4vw,54px);position:sticky;top:0;background:rgba(7,27,46,.96);backdrop-filter:blur(12px);z-index:20;border-bottom:1px solid rgba(255,255,255,.09)}
.top-brand{color:#fff!important}
.brand-mark{width:42px;height:42px;display:grid!important;place-items:center;border-radius:12px;background:linear-gradient(135deg,var(--cyan),#1683ec);color:#031828!important;font-size:1.35rem!important;font-weight:900;box-shadow:0 8px 24px rgba(54,208,231,.25)}
.brand-copy{display:block!important}
.brand-copy b{display:block;font-size:1.08rem;letter-spacing:.01em;line-height:1.25}
.brand-copy>span{display:block;color:#9fb5c8!important;font-size:.72rem!important;letter-spacing:.08em;text-transform:uppercase}
.music-promo{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:12px clamp(20px,4vw,54px);background:#fff7df;border-bottom:1px solid #f1d991;color:#5b4612;font-size:.86rem}
.music-promo b{color:#312300;margin-right:5px}.music-promo a{flex:none;color:#624800;font-weight:800;text-decoration:none;border-bottom:1px solid #b68b18}.music-promo a:hover{color:#171000;border-color:#171000}
.about-page{max-width:1080px;margin:0 auto;min-height:calc(100vh - 176px);padding:54px clamp(22px,6vw,88px) 76px;background:#fff}.about-page .hero-panel{margin:-54px clamp(-22px,-6vw,-88px) 38px}.about-values{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:28px 0 38px}.about-value{padding:22px;border:1px solid var(--line);border-radius:16px;background:var(--soft)}.about-value h2{font-size:1.05rem;margin-bottom:8px}.about-value p{margin:0;color:var(--muted);font-size:.9rem}.about-contact{padding:25px 28px;border-radius:16px;background:var(--navy);color:#d9e6ef}.about-contact h2{color:#fff}.about-contact a{color:var(--cyan);font-weight:700}
.layout{display:grid;grid-template-columns:var(--side) minmax(0,1fr);max-width:1440px;margin:auto;min-height:calc(100vh - 148px);background:#fff;box-shadow:0 0 0 1px rgba(219,229,236,.55)}
.sidebar{border-right:1px solid var(--line);padding:28px 18px 42px;background:#f8fbfd;position:relative}
.sidebar button{display:none}
.sidebar nav{position:sticky;top:110px}
.group-title{display:block;margin:24px 12px 7px;color:#718599;font-size:.68rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.menu-link{display:block;padding:9px 12px;border-radius:9px;color:#31485d;text-decoration:none;font-size:.86rem;line-height:1.35;border:1px solid transparent;transition:.18s ease}
.menu-link:hover{background:#fff;color:var(--accent-strong);border-color:#d5e5eb;transform:translateX(2px)}
.menu-link.active{background:#e7f7fa;color:#005b6d;font-weight:700;border-color:#c9edf2;box-shadow:inset 3px 0 var(--accent)}
main{padding:50px clamp(28px,5vw,78px) 78px;max-width:1080px;width:100%;min-width:0}
.eyebrow{display:flex;align-items:center;gap:9px;color:var(--accent-strong);font-size:.76rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px}
.eyebrow:before{content:"";width:28px;height:3px;background:var(--cyan);border-radius:3px}
.breadcrumb{font-size:.82rem;color:var(--muted);margin-bottom:18px}.breadcrumb a{color:var(--accent-strong);text-decoration:none}.breadcrumb a:hover{text-decoration:underline}
h1{font-size:clamp(2.2rem,5vw,4.25rem);letter-spacing:-.035em;line-height:1.08;margin:0 0 16px;color:var(--navy);overflow-wrap:anywhere}
.lead{font-size:clamp(1rem,2vw,1.2rem);color:#506579;margin:0 0 32px;max-width:760px;overflow-wrap:anywhere}
.hero-panel{position:relative;padding:clamp(24px,4vw,42px);margin:-50px clamp(-28px,-5vw,-78px) 38px;background:linear-gradient(135deg,#f1fbfd 0%,#f7fafc 60%,#edf4fa 100%);border-bottom:1px solid var(--line);overflow:hidden}
.hero-panel:after{content:"";position:absolute;width:260px;height:260px;right:-100px;top:-120px;border-radius:50%;border:42px solid rgba(54,208,231,.10);pointer-events:none}
.project-media{background:#eef4f7;border:1px solid var(--line);border-radius:16px;overflow:hidden;margin:0 0 30px;box-shadow:var(--shadow)}
.project-image{display:block;width:100%;max-height:560px;object-fit:contain;object-position:center;background:linear-gradient(145deg,#f8fbfd,#eaf1f5);margin:0}
.image-note{font-size:.8rem;color:var(--muted);margin:11px 2px 26px}
.project-media+.image-note{margin-top:-18px}
.placeholder{min-height:300px;display:grid;place-items:center;background:linear-gradient(135deg,#ecf7f9,#edf3f7);border:1px dashed #9bb7c2;border-radius:16px;margin-bottom:30px;color:#3f6671;text-align:center;padding:30px;box-shadow:var(--shadow)}
.placeholder-mark{display:block;width:64px;height:64px;margin:0 auto 14px;border:2px solid #8bb2bd;border-radius:18px;line-height:58px;font-size:1.7rem}
.placeholder strong{display:block;font-size:1.25rem;color:#244854}.placeholder small{display:block;margin-top:7px;font-weight:400;color:#617b84}
.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:25px 0 36px}.fact{background:var(--soft);padding:15px 17px;border:1px solid #e4edf2;border-radius:12px}.fact b{display:block;font-size:.69rem;color:#718497;text-transform:uppercase;letter-spacing:.08em;margin-bottom:2px}
.content-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin:24px 0 38px}.content-card{padding:24px 26px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 8px 28px rgba(11,37,59,.06)}
h2{font-size:1.25rem;margin:0 0 15px;color:var(--navy);letter-spacing:-.01em}.content-card ul,.content-card ol{margin:0;padding-left:22px}.content-card li+li{margin-top:7px}.content-card li::marker{color:var(--accent);font-weight:800}
.disclaimer{font-size:.83rem;color:var(--muted);padding:15px 18px;background:#f6f9fb;border-left:3px solid #aac2cd;border-radius:0 9px 9px 0}
.overview-intro{margin-bottom:30px}.project-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch;gap:20px;padding:0;list-style:none;margin:0}.project-list li{display:flex;min-width:0}.project-list a{width:100%;height:100%;display:flex;flex-direction:column;color:var(--ink);text-decoration:none;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 8px 30px rgba(11,37,59,.07);transition:.2s ease}.project-list a:hover{border-color:#8ccbd5;transform:translateY(-3px);box-shadow:0 16px 35px rgba(11,37,59,.12)}.project-list a:focus-visible{outline:3px solid rgba(54,208,231,.5);outline-offset:3px}
.project-thumb{width:100%;aspect-ratio:16/9;background:linear-gradient(145deg,#f8fbfd,#e7eef3);display:grid;place-items:center;overflow:hidden;border-bottom:1px solid var(--line)}.project-thumb img{display:block;width:100%;height:100%;padding:10px;object-fit:contain;object-position:center;background:transparent}.project-thumb.placeholder-thumb{padding:24px;color:#6d8994;font-size:.78rem;text-align:center;background:linear-gradient(135deg,#eff7f8,#eaf0f4)}
.detail-hero-image{width:min(100%,760px);margin:0 auto 30px}.detail-image-link{display:block;width:100%;overflow:hidden;border:1px solid var(--line);border-radius:16px;background:#edf3f6;box-shadow:var(--shadow)}.detail-image-link img{display:block;width:100%;height:auto;max-height:430px;object-fit:contain;object-position:center;background:#edf3f6}.detail-hero-image figcaption{margin-top:10px;color:var(--muted);font-size:.82rem;line-height:1.55}.detail-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:22px 0 38px}.detail-gallery figure{min-width:0;margin:0}.detail-gallery .detail-image-link img{aspect-ratio:16/9;max-height:none}.detail-gallery figcaption{padding:10px 2px;color:var(--muted);font-size:.82rem}.detail-gallery figcaption strong,.detail-gallery figcaption span{display:block}.detail-gallery figcaption strong{color:var(--navy);margin-bottom:4px}.signal-route{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:12px;margin:0 0 34px;padding:15px 18px;border:1px solid var(--line);border-radius:14px;background:var(--soft);color:var(--accent-strong);font-weight:700}.signal-route b{color:#91a6b5}.detail-actions{display:flex;flex-wrap:wrap;gap:10px}.detail-actions a{padding:9px 13px;border-radius:9px;background:var(--accent);color:#fff;text-decoration:none;font-weight:700;font-size:.83rem}
.project-card-copy{display:flex;flex:1;flex-direction:column;padding:18px 19px 20px}.project-card-copy b{display:block;color:var(--navy);font-size:1.02rem;line-height:1.45;margin-bottom:6px}.project-card-copy span{display:block;color:var(--muted);font-size:.86rem;line-height:1.58}.project-card-meta{margin-top:auto!important;padding-top:14px;color:var(--accent-strong)!important;font-size:.72rem!important;font-weight:700;text-transform:uppercase;letter-spacing:.06em}
footer{border-top:1px solid var(--line);padding:24px;text-align:center;background:#071b2e;color:#91a8ba;font-size:.78rem}
@media(max-width:900px){.project-list{grid-template-columns:1fr}.content-grid{grid-template-columns:1fr}}
@media(max-width:900px){.detail-gallery{grid-template-columns:1fr}.detail-hero-image{width:min(100%,680px)}.detail-image-link img{max-height:390px}}
@media(max-width:900px){.about-values{grid-template-columns:1fr}}
@media(max-width:760px){.top{min-height:74px;padding:11px 16px}.brand-mark{width:38px;height:38px}.brand-copy>span{display:none}.music-promo{align-items:flex-start;padding:11px 16px;font-size:.78rem;line-height:1.45}.music-promo a{max-width:110px;text-align:right}.layout{display:block}.sidebar{border-right:0;border-bottom:1px solid var(--line);padding:12px 16px;position:sticky;top:73px;z-index:15;background:rgba(248,251,253,.97);backdrop-filter:blur(10px)}.sidebar button{display:flex;width:100%;justify-content:space-between;align-items:center;padding:11px 13px;background:#fff;border:1px solid var(--line);border-radius:10px;text-align:left;font:inherit;font-weight:700;color:var(--ink)}.menu-chevron{font-size:1.1rem;transition:transform .2s}.sidebar button[aria-expanded=true] .menu-chevron{transform:rotate(180deg)}.sidebar nav{display:none;padding-top:8px;position:static;max-height:56vh;overflow:auto}.sidebar nav.open{display:block}.group-title{margin-top:16px}main{padding:34px 18px 56px}.hero-panel{margin:-34px -18px 30px;padding:30px 18px}.facts{grid-template-columns:1fr}.content-card{padding:20px}.project-image{max-height:390px}.project-card-copy{padding:17px 18px 19px}}
@media(max-width:480px){.brand-copy b{font-size:.95rem}.top-links{gap:4px}.top .top-links a{padding:7px 8px;font-size:.72rem}.primary-link{display:none!important}h1{font-size:clamp(1.85rem,8vw,2.2rem)}.project-list{gap:13px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}