:root{--ink:#202222;--paper:#f8f8f6;--soft:#e9ebea;--muted:#656968}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:'Noto Sans JP',sans-serif}a{color:inherit;text-decoration:none}button{font:inherit}.header{height:88px;display:flex;align-items:center;justify-content:space-between;padding:0 5.5%;background:#fbfbfa}.brand{display:flex;gap:12px;align-items:center;font-size:15px;font-weight:900;white-space:nowrap}.brand small{display:block;font:700 9px 'DM Sans',sans-serif;letter-spacing:.18em;margin-top:3px}.brand-mark{display:grid;place-items:center;width:42px;height:42px;background:#202222;color:#fff;font:700 27px 'DM Sans';letter-spacing:-.08em}.brand-mark span{color:#a6acaa}nav{display:flex;align-items:center;gap:32px;font-size:12px;font-weight:700}.nav-contact{border:1px solid #b5b9b7;padding:13px 18px}.nav-contact span{margin-left:18px}.hero{height:min(750px,calc(100svh - 88px));min-height:570px;position:relative;display:flex;align-items:center;overflow:hidden;background:#efefed}.hero-photo{position:absolute;inset:0;background:linear-gradient(90deg,rgba(246,246,243,.99) 0%,rgba(246,246,243,.9) 23%,rgba(246,246,243,.1) 65%),url('hero.png') center/cover}.hero-copy{position:relative;margin-left:9%;z-index:1}.eyebrow{font:700 11px 'DM Sans',sans-serif;letter-spacing:.2em;color:#828887;margin:0 0 24px}.hero h1{font-size:clamp(34px,3.7vw,62px);line-height:1.55;letter-spacing:.01em;margin:0;font-weight:900}.hero-copy>p:not(.eyebrow){font-size:14px;line-height:2.1;color:#555b59;margin:25px 0}.button{display:inline-flex;gap:50px;align-items:center;justify-content:space-between;background:#222625;color:white;border:0;padding:19px 23px;font-size:13px;font-weight:700;min-width:208px;cursor:pointer;transition:background .2s}.button:hover{background:#59605e}.hero-side{position:absolute;right:3%;top:50%;writing-mode:vertical-rl;font:700 10px 'DM 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white;background:#202222b8;color:white;border-radius:50%;width:60px;height:60px;display:grid;place-items:center;font-size:14px;padding-left:3px}.video-label{display:block;font:700 11px 'DM Sans';letter-spacing:.12em;color:#727875;margin:22px 0 10px}.video-label span{font:500 11px 'Noto Sans JP';letter-spacing:0;margin-left:12px;color:#858a88}.video-card strong{font-size:16px}.note{color:#828785;font-size:12px;margin-top:32px}.about{display:grid;grid-template-columns:1fr 1fr;align-items:stretch;background:#e8eae8}.about-photo{min-height:570px}.about-photo img{width:100%;height:100%;object-fit:cover}.about-copy{padding:110px 12%;align-self:center}.about-copy>p:not(.eyebrow){margin-top:22px}.text-link{display:inline-block;font-size:13px;font-weight:700;border-bottom:1px solid #626765;padding-bottom:12px;margin-top:24px}.text-link span{margin-left:32px}.statement{text-align:center;padding:100px 6%;background:#f7f7f5}.statement span{font:700 11px 'DM 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#ccc;background:#fbfbf9;padding:52px;color:#202222}dialog::backdrop{background:#1119}dialog h2{font-size:25px}dialog>p:not(.eyebrow){color:#656968;font-size:14px;line-height:2}.dialog-close{position:absolute;right:15px;top:10px;background:none;border:0;font-size:28px;cursor:pointer}.close-action{margin-top:18px}@media(max-width:700px){.header{height:72px;padding:0 5%}.brand{font-size:12px;gap:8px}.brand-mark{width:35px;height:35px;font-size:22px}.brand small{font-size:8px}nav{gap:14px;font-size:11px}nav a:nth-child(2),.nav-contact{display:none}.hero{height:740px;min-height:0;display:block}.hero-photo{inset:0 0 auto;height:52%;background:linear-gradient(0deg,#f4f4f2,transparent 55%),url('hero.png') 66% center/cover}.hero-copy{position:absolute;left:6%;right:6%;bottom:100px;margin:0}.hero h1{font-size:32px}.hero-copy>p:not(.eyebrow){font-size:13px}.hero-scroll{left:6%}.hero-side{display:none}.section{padding:80px 6%}.heading-row{display:block;margin-bottom:32px}.heading-row>p{margin-top:22px}.video-grid{grid-template-columns:1fr;gap:40px}.about{grid-template-columns:1fr}.about-photo{min-height:300px;height:300px}.about-copy{padding:75px 6%}.statement{padding:75px 6%}.social-list div{grid-template-columns:1fr auto}.social-list div span{display:none}.contact{display:block;padding:70px 6%}.contact .button{margin-top:18px}footer{padding:40px 6%;flex-wrap:wrap}footer>a:last-child{width:100%}footer p{margin-left:auto}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.thumb img,.button{transition:none}}

/* channel-avatar */
.channel-avatar{display:block;width:42px;height:42px;flex:0 0 42px;border-radius:50%;object-fit:cover}.brand,.logo{display:inline-flex;align-items:center;gap:12px}.brand-text{display:block}.logo-text{display:inline-block}@media(max-width:700px){.channel-avatar{width:36px;height:36px;flex-basis:36px}}

/* video-sprite-grid */
.video-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:32px 20px}.video-grid .thumbnail,.video-grid .thumb{aspect-ratio:var(--tile-ratio,1);position:relative;overflow:hidden}.video-sprite{position:absolute;inset:0;display:block;background-image:url("video-grid.png");background-size:400% 500%;background-repeat:no-repeat}.video-card .video-kicker{display:block;margin:12px 0 6px;font-size:10px;letter-spacing:.04em;opacity:.7}.video-card strong{font-size:15px;line-height:1.6}.video-card[hidden]{display:none!important}@media(max-width:700px){.video-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 14px}.video-card strong{font-size:13px}}