 :root{--red:#e74b4b;--pink:#ff6b7a;--navy:#263238;--ink:#233238;--muted:#66777e;--cream:#fff8ea;--green:#8bc34a;--line:#e7ecef;--max:1120px}*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;font-family:"Yu Gothic","Hiragino Kaku Gothic ProN",sans-serif;color:var(--ink);line-height:1.8;background:#fff;overflow-x:hidden}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.loader{position:fixed;inset:0;background:#fff;z-index:999;display:grid;place-items:center;transition:.65s}.loader.hide{opacity:0;visibility:hidden}.loader img{width:230px}.loader span{display:block;text-align:center;color:var(--red);font-weight:900;letter-spacing:.25em}.header{position:fixed;z-index:80;left:0;right:0;top:0;height:82px;background:rgba(255,255,255,.94);display:flex;align-items:center;gap:22px;padding:14px 42px;box-shadow:0 8px 30px rgba(0,0,0,.08);backdrop-filter:blur(12px)}.brand img{width:230px}.header nav{margin-left:auto;display:flex;gap:20px;font-size:13px;font-weight:800}.tel{background:var(--red);color:#fff;padding:10px 18px;border-radius:999px;font-weight:900}.hero{position:relative;min-height:820px;padding-top:82px;overflow:hidden}.hero-slider{position:absolute;inset:82px 0 0}.slide{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.05);transition:1.2s}.slide.active{opacity:1;transform:scale(1)}.hero-layer{position:absolute;inset:82px 0 0;background:linear-gradient(90deg,rgba(35,50,56,.76),rgba(35,50,56,.34),rgba(255,255,255,.08));z-index:1}.hero-layer:after{content:"";position:absolute;right:-120px;top:80px;width:520px;height:520px;border-radius:50%;background:rgba(231,75,75,.75);mix-blend-mode:multiply}.hero-copy{position:relative;z-index:3;color:#fff;width:min(760px,90vw);padding:170px 0 0 8vw;text-shadow:0 10px 24px rgba(0,0,0,.25)}.label{font-weight:900;color:var(--red);letter-spacing:.25em;font-size:12px}.hero .label{color:#fff}.hero h1{font-size:clamp(42px,5.4vw,78px);line-height:1.15;margin:12px 0 24px;font-weight:900}.hero-copy p:not(.label){font-size:18px;max-width:42em}.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.hero-cta a,.contact-btn{background:var(--red);color:#fff;border-radius:999px;padding:14px 28px;font-weight:900;box-shadow:0 12px 25px rgba(231,75,75,.26)}.hero-cta a:nth-child(2){background:#fff;color:var(--red)}.hero-cta a:nth-child(3){background:#ffc928;color:#263238}.badges{position:absolute;z-index:4;right:7vw;bottom:46px;display:flex;gap:14px;flex-wrap:wrap}.badges span{background:#fff;border:4px solid var(--red);border-radius:18px;padding:16px 22px;font-weight:900;color:var(--red);box-shadow:0 12px 30px rgba(0,0,0,.12)}.trouble{background:var(--red);color:#fff;padding:70px 6vw 82px;text-align:center}.trouble h2{font-size:clamp(27px,4vw,46px);margin:0 0 32px}.trouble-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;width:min(var(--max),94vw);margin:auto}.trouble-grid span{background:#fff;color:var(--red);border-radius:12px;padding:16px;font-weight:900}.intro,.service,.works,.company{padding:100px 6vw}.intro{display:grid;grid-template-columns:1fr .9fr;gap:60px;align-items:center;width:min(var(--max),94vw);margin:auto}.intro h2,.section-title h2,.company h2,.contact h2{font-size:clamp(30px,4vw,54px);line-height:1.35;margin:8px 0 20px}.intro figure{position:relative;margin:0}.intro figure:before{content:"";position:absolute;inset:28px -28px -28px 28px;background:#ffd54f;z-index:-1;border-radius:24px}.intro img{height:420px;width:100%;object-fit:cover;border-radius:22px}.intro figcaption{position:absolute;left:24px;bottom:24px;background:#fff;border-radius:999px;padding:10px 18px;font-weight:900}.parallax{background:linear-gradient(rgba(255,248,234,.92),rgba(255,248,234,.92)),url('../images/metal05.jpg') center/cover fixed;padding:100px 6vw}.section-title{text-align:center}.reason-grid{width:min(var(--max),94vw);margin:auto;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.reason article{background:#fff;border-radius:20px;padding:28px;box-shadow:0 18px 35px rgba(38,50,56,.12);border-bottom:6px solid var(--red)}.reason b{font-size:34px;color:var(--red)}.service{background:#f6f6f6}.service-grid{width:min(var(--max),94vw);margin:auto;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.service article{background:#fff;border-radius:18px;overflow:hidden;box-shadow:0 15px 28px rgba(0,0,0,.08)}.service article img{height:155px;width:100%;object-fit:cover}.service article h3{padding:18px 18px 0;color:var(--red)}.service article p{padding:0 18px 22px}.carousel-wrap{padding:70px 0;background:#263238;color:#fff;overflow:hidden}.carousel-wrap p{font-size:34px;font-weight:900;white-space:nowrap;opacity:.22;animation:textflow 28s linear infinite}.carousel{overflow:hidden}.track{display:flex;gap:18px;width:max-content;animation:marquee 34s linear infinite}.track img{width:280px;height:170px;object-fit:cover;border-radius:18px}@keyframes marquee{to{transform:translateX(-50%)}}@keyframes textflow{to{transform:translateX(-50%)}}.work-list{width:min(var(--max),94vw);margin:auto;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.work-list article{background:var(--cream);border:1px solid #ffe0a3;border-radius:20px;padding:28px}.work-list span{display:inline-block;background:var(--red);color:#fff;border-radius:999px;padding:8px 16px;font-weight:900}.company-card{width:min(var(--max),94vw);margin:auto;display:grid;grid-template-columns:1.05fr .95fr;gap:30px;background:#fff;border-radius:28px;box-shadow:0 20px 50px rgba(0,0,0,.12);padding:34px}.company table{width:100%;border-collapse:collapse}.company th,.company td{border-bottom:1px solid var(--line);padding:14px;text-align:left}.company th{color:var(--red);width:130px}.map iframe{width:100%;height:100%;min-height:430px;border:0;border-radius:22px;filter:grayscale(.2)}.contact{padding:90px 6vw;text-align:center;background:var(--red);color:#fff}.contact .mail{background:#fff;color:var(--red)}footer{padding:44px 6vw;text-align:center;background:#222;color:#fff}footer img{width:260px;margin:auto auto 16px}.fixed-cta{position:fixed;right:22px;bottom:22px;z-index:90;background:#ffc928;color:#222;border-radius:999px;padding:15px 22px;font-weight:900;box-shadow:0 12px 26px rgba(0,0,0,.22)}.reveal{opacity:1;transform:translateY(18px);transition:.8s}.reveal.show{opacity:1;transform:none}@media(max-width:900px){.header{padding:12px 16px;height:70px}.brand img{width:175px}.header nav{display:none}.tel{font-size:12px;padding:8px 10px}.hero{min-height:760px;padding-top:70px}.hero-slider,.hero-layer{inset:70px 0 0}.hero-copy{padding:110px 22px 0}.hero h1{font-size:36px}.hero-copy p:not(.label){font-size:14px}.badges{left:18px;right:18px;bottom:35px}.badges span{padding:10px 12px;font-size:12px;border-width:3px}.trouble-grid,.reason-grid,.service-grid,.work-list{grid-template-columns:1fr}.intro,.company-card{grid-template-columns:1fr;padding-left:0;padding-right:0}.intro img{height:270px}.parallax{background-attachment:scroll}.service article img{height:190px}.company th,.company td{display:block;width:100%;padding:10px}.map iframe{min-height:310px}.contact-btn{display:block;margin:10px auto;width:min(320px,92vw)}.carousel-wrap p{font-size:24px}.fixed-cta{font-size:13px;right:14px;bottom:14px}}