:root{--ink:#101c2a;--muted:#526175;--blue:#0062d8;--line:#dce3eb;--soft:#f5f8fc;--navy:#101e32}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;color:var(--ink);background:#fff;font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;line-height:1.85;-webkit-font-smoothing:antialiased}a{color:var(--blue);text-underline-offset:4px}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid #0075ff;outline-offset:5px}button{cursor:pointer}button:disabled{cursor:not-allowed}img{max-width:100%;height:auto}figure{margin:0}h1,h2,h3,p{margin-top:0}h1,h2{letter-spacing:-.055em;line-height:1.35}h3{line-height:1.6}h2{font-size:clamp(30px,3.8vw,52px);margin-bottom:25px}h3{font-size:20px;margin-bottom:12px}.wrap{width:min(1200px,calc(100% - 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/* 2026-10-20: music-first revision. Shared layout/FAQ/consent styles above are retained. */
:root{--navy:#17191e;--ink:#15181e;--muted:#555e6b;--blue:#0064dd;--soft:#f5f6f8}
.hero{column-gap:46px;padding-top:28px}.hero-copy{padding:25px 0}.hero h1{font-size:clamp(36px,3.6vw,52px);margin:27px 0 17px;line-height:1.4}.hero h1 span{color:var(--blue)}.hero-subtitle{font-size:clamp(16px,1.6vw,21px);font-weight:700;letter-spacing:-.035em;margin-bottom:17px}.hero .lead{font-size:14px;max-width:465px;margin-bottom:18px;line-height:1.95}.target-note{font-size:11px;color:var(--muted);margin-bottom:24px}.media-art{background:#191c22;padding:30px 28px 20px;color:#fff;min-height:580px;justify-content:flex-start;gap:18px;border-radius:12px}.media-art .art-number{font-size:110px;color:#ffffff0a;top:5px;right:22px}.media-art .art-number span{color:#ffffff10}.media-art .product-placeholder{background:#ffffff04;border:1px solid #4e555f;min-height:200px;color:#c5cedb;margin-top:25px}.media-art .product-placeholder strong{font-size:17px}.media-art .product-placeholder svg{stroke:#8796aa}.media-art .product-photo{max-height:250px;object-fit:contain;border-radius:6px}.media-art figcaption{color:#a7b1be;font-size:9px;margin:0;line-height:1.8}.concept-diagram{position:relative;padding:4px 18px 6px;min-height:230px}.concept-monitor{height:94px;border:2px solid #69727e;border-radius:5px;background:linear-gradient(135deg,#272f3b,#1c222b);display:grid;place-items:center;position:relative}.concept-monitor:after{content:'';position:absolute;width:30px;height:13px;background:#69727e;bottom:-14px;left:calc(50% - 15px)}.concept-monitor>span{font-size:8px;letter-spacing:.18em;color:#a8b4c4}.concept-tools{display:flex;align-items:center;justify-content:center;gap:15px;margin-top:26px}.concept-phone{width:119px;height:64px;border:1px solid #748196;border-radius:8px;background:#252e3a;text-align:center;display:grid;grid-template-columns:1fr 1fr;align-items:center;padding:8px}.concept-phone>span{font-size:5px;grid-column:1/-1;letter-spacing:.1em;color:#b6c5d7}.concept-phone>strong{color:#78b0ff;font-size:23px;line-height:1.2}.concept-phone>i{font-style:normal;font-size:8px;color:#b6c5d7}.connection{display:flex;flex-direction:column;align-items:center;font-size:8px;color:#99bfea;gap:0}.connection i{font-style:normal;font-size:17px;letter-spacing:1px;line-height:1}.concept-dial{border:3px double #8e9aad;width:53px;height:53px;border-radius:50%;display:grid;place-items:center;position:relative;background:linear-gradient(145deg,#424954,#252b34)}.concept-dial>span{font-size:27px;line-height:1;color:#dce9fa}.concept-dial small{position:absolute;white-space:nowrap;font-size:7px;color:#b9c9df;bottom:-22px}.hero-specs{margin-top:4px}.problems h2{font-size:clamp(26px,3vw,42px)}.value-flow{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin:45px 0 28px}.value-flow article{border-left:2px solid #b8d5f7;padding:3px 0 3px 26px}.value-flow article>span{font-size:10px;color:var(--blue);letter-spacing:.12em}.value-flow h3{font-size:22px;letter-spacing:-.03em;margin:24px 0 12px}.value-flow p{font-size:13px;color:var(--muted);margin:0}.controller{background:var(--navy);color:#fff}.controller .eyebrow{color:#7ab5ff}.controller .section-heading>p{color:#bfc6d0}.controller-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:70px;align-items:center;margin-top:15px}.control-photo{background:#22262d;border-radius:10px;padding:35px}.control-photo .product-placeholder{border:1px solid #555e6b;background:#ffffff02;color:#c6cfdb;min-height:285px}.placeholder-symbol{font-size:40px!important;line-height:1.5;color:#8ebeff}.control-photo figcaption{color:#a4aebc;font-size:10px;margin-top:17px}.controller-intro{font-size:14px;color:#c3cbd5}.control-actions{padding:0;margin:20px 0;list-style:none}.control-actions li{display:flex;align-items:center;gap:25px;border-bottom:1px solid #393e47;padding:22px 0}.control-actions li>span{color:#8cbcff;width:66px;flex:none;font-size:20px;letter-spacing:.06em}.control-actions strong{font-size:20px;display:block}.control-actions small{display:block;color:#b7c1cf;font-size:12px;margin-top:4px}.control-caution{font-size:11px;color:#a9b3c1;line-height:1.9;margin-bottom:0}.media-scenario{border-left:2px solid #4878b0;padding:5px 0 5px 25px;margin-top:50px}.media-scenario>span{font-size:9px;letter-spacing:.16em;color:#8dbdff}.media-scenario p{font-size:15px;color:#e0e5ec;margin:15px 0 10px}.media-scenario small{color:#a9b3c1;font-size:10px}.controller .mid-cta{padding-top:35px;border-top:1px solid #393e47}.controller .mid-cta p{color:#b9c2cf}.controller .cta:disabled{background:#365d8c}.controller .affiliate:has(a){background:#086be5}.installation-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:65px;align-items:center;margin:45px 0 35px}.installation-photo{background:#e9ecf1;padding:30px;border-radius:8px}.installation-photo .product-placeholder{background:#ffffff50;border-color:#adb7c5;min-height:225px}.installation-photo figcaption{font-size:10px;margin-top:14px}.installation-layout h3{font-size:25px;letter-spacing:-.04em}.installation-layout>div>p{font-size:14px;color:var(--muted)}.installation-layout>div>.note{font-size:11px}.features .feature-grid{grid-template-columns:1fr 1fr}.features .feature .big-spec{font-size:95px;margin:25px 0}.features .feature .angle-spec{font-size:80px;margin:25px 0}.scene-panorama{margin-top:40px}.scene-panorama img{width:100%;max-height:350px;object-fit:cover;object-position:center 55%;border-radius:8px;display:block}.scene-panorama figcaption{font-size:10px;margin-top:10px}.purchase h2{font-size:clamp(28px,3.2vw,46px)}.scene-grid h3{font-size:19px}.product-photo{border-radius:6px}.control-photo>.product-photo,.installation-photo>.product-photo{width:100%;max-height:350px;object-fit:contain}
@media(max-width:1050px) and (min-width:601px){.hero{gap:26px}.hero h1{font-size:35px}.hero-subtitle{font-size:16px}.media-art{padding:25px 20px 20px;min-height:610px}.concept-diagram{padding-inline:0}.concept-tools{gap:9px}.concept-phone{width:100px}.concept-dial{width:45px;height:45px}.controller-layout,.installation-layout{gap:30px}.control-photo{padding:25px}.control-actions li{gap:15px}.control-actions strong{font-size:18px}.value-flow{gap:20px}.value-flow article{padding-left:18px}.value-flow h3{font-size:19px}.header nav{gap:17px}}
@media(max-width:600px){.hero{padding-top:6px}.hero-copy{padding:15px 0 18px}.hero .eyebrow{font-size:8px;letter-spacing:.15em;margin-bottom:15px}.hero .product-name{font-size:16px}.hero .product-name span{font-size:9px}.hero h1{font-size:34px;margin:21px 0 15px;line-height:1.45;letter-spacing:-.06em}.hero-subtitle{font-size:16px;margin-bottom:15px}.hero .lead{font-size:12px;line-height:1.95;margin-bottom:13px}.target-note{font-size:10px;margin-bottom:20px}.media-art{width:100%;min-height:490px;padding:22px 20px 18px;gap:12px;margin-top:15px}.media-art .art-number{font-size:95px}.media-art .product-placeholder{margin-top:15px;min-height:170px;padding:17px}.media-art .product-placeholder strong{font-size:15px}.concept-diagram{padding:2px 8px 10px;min-height:220px}.concept-monitor{height:88px}.concept-tools{gap:12px}.concept-phone{width:110px}.concept-dial{width:49px;height:49px}.connection{font-size:7px}.media-art figcaption{font-size:8px}.hero-specs{margin-top:23px}.hero-specs strong{font-size:9px}.value-flow{display:flex;flex-direction:column;gap:27px;margin:30px 0 24px}.value-flow article{padding-left:21px}.value-flow h3{font-size:21px;margin:14px 0 8px}.value-flow p{font-size:12px}.problems h2{font-size:25px;letter-spacing:-.04em}.controller-layout,.installation-layout{display:flex;flex-direction:column;gap:28px}.controller .section-heading>p{font-size:12px}.control-photo{padding:24px;width:100%}.control-photo .product-placeholder{min-height:225px}.control-photo .product-placeholder strong{font-size:16px}.controller-intro{font-size:13px}.control-actions li{padding:19px 0;gap:18px}.control-actions li>span{width:55px;font-size:19px}.control-actions strong{font-size:19px}.control-actions small{font-size:11px}.control-caution{font-size:10px}.media-scenario{margin-top:32px;padding-left:18px}.media-scenario p{font-size:13px}.media-scenario small{font-size:10px}.controller .mid-cta{padding-top:25px}.installation-layout{margin:30px 0}.installation-photo{width:100%;padding:24px}.installation-photo .product-placeholder{min-height:200px}.installation-photo .product-placeholder strong{font-size:16px}.installation-layout h3{font-size:22px}.installation-layout>div>p{font-size:13px}.features .feature-grid{grid-template-columns:1fr}.features .feature .big-spec{font-size:85px}.scene-panorama{margin-top:28px}.scene-panorama img{aspect-ratio:1.4;max-height:none}.scene-panorama figcaption{font-size:9px}.purchase h2{font-size:28px}.header nav{gap:12px}}

/* FV内で操作対象を明示し、PCの音楽操作との混同を防ぐ。 */
.connection-note{font-size:11px;line-height:1.8;color:var(--blue);margin:0 0 12px}
@media(max-width:600px){.connection-note{font-size:10px;margin-bottom:10px}}
/* 細いタブレット/分割画面ではコピーと商品領域を縦に並べる。 */
@media(min-width:601px) and (max-width:800px){.hero{grid-template-columns:1fr;gap:20px}.hero-copy{max-width:650px}.hero h1{font-size:42px}.hero .lead{max-width:600px}.media-art{min-height:560px}.header nav>a:not(.nav-button){display:none}}