:root{--ink:#092535;--blue:#0c5e83;--pale:#eef4f6;--line:#d6e0e4;--serif:"Yu Mincho","Hiragino Mincho ProN",serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#f7f9f9;font-family:-apple-system,BlinkMacSystemFont,"Noto Sans JP","Yu Gothic",sans-serif}a{color:inherit;text-decoration:none}.site-header{height:72px;padding:0 4vw;display:flex;align-items:center;gap:24px;background:#fff;border-bottom:1px solid #e4ebee;position:sticky;top:0;z-index:20}.logo{font-size:27px;font-weight:900;letter-spacing:.12em}.logo small{font-size:9px;letter-spacing:.04em;margin-left:10px;font-weight:600}.site-header nav{margin-left:auto;display:flex;gap:24px;font-size:11px;font-weight:800}.header-cta{background:var(--ink);color:#fff;padding:15px 22px;border-radius:4px;font-size:12px;font-weight:800}.menu{display:none;margin-left:auto;border:0;background:none;font-size:24px}.hero{display:grid;grid-template-columns:49% 51%;min-height:620px;background:linear-gradient(115deg,#eef8fc 0,#fff 48%)}.hero-copy{padding:52px 4.5vw 40px 6vw;position:relative}.vline{position:absolute;left:4.6vw;top:58px;height:165px;border-left:1px solid #6c8b99}.hero h1{font-family:var(--serif);font-size:clamp(38px,4vw,62px);line-height:1.35;letter-spacing:.02em;margin:0 0 22px}.hero-sub{font-family:var(--serif);font-weight:700;line-height:1.7;border-left:2px solid #6b8998;padding-left:14px}.hero-price{font-size:17px;font-weight:800;margin:22px 0 12px}.hero-price strong{font-size:44px;margin-left:9px}.hero-price small{font-size:11px}.badges{display:flex;gap:14px;flex-wrap:wrap;font-size:10px;font-weight:700;margin-bottom:22px}.actions{display:flex;gap:12px}.btn{display:inline-block;padding:14px 24px;border-radius:3px;font-size:12px;font-weight:800;border:1px solid #aebdc4}.primary,.dark{background:var(--ink);color:#fff;border-color:var(--ink)}.outline{background:#fff}.hero-visual{position:relative;overflow:hidden}.hero-visual>img{width:100%;height:100%;object-fit:cover;object-position:center}.vertical-copy{position:absolute;right:4%;top:45px;color:#fff;font-family:var(--serif);font-size:17px;line-height:1.8;writing-mode:vertical-rl;text-shadow:0 2px 8px #000}.scribble{position:absolute;right:9%;bottom:18%;color:#fff;font-family:var(--serif);font-size:18px;transform:rotate(-8deg);text-shadow:0 2px 8px #000}.trouble{padding:48px 3vw 30px;background:#fff}.center-title{text-align:center}.center-title h2{font-family:var(--serif);font-size:32px;margin:0}.center-title small,.works span,.flow>div>span,.faq>div>span,.column>span,.contact span{font-size:8px;letter-spacing:.18em;color:#8497a0}.trouble-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin-top:28px}.trouble-grid article{text-align:center;font-size:12px;line-height:1.7}.ph{height:110px;background:linear-gradient(135deg,#d9e1e4,#89969c);filter:grayscale(1)}.p2{background:linear-gradient(135deg,#cbd4d8,#465861)}.p3{background:linear-gradient(135deg,#9aa7ad,#dfe5e7)}.p4{background:linear-gradient(135deg,#d9dede,#82939a)}.p5{background:linear-gradient(135deg,#8b979d,#e7eaeb)}.p6{background:linear-gradient(135deg,#e2e5e6,#75858d)}.solution{text-align:center;font-family:var(--serif);font-size:26px;line-height:1.7;margin:22px 0 0}.solution small{display:block;font-family:sans-serif;font-size:7px;letter-spacing:.2em;color:#9aabb2}.construction{padding:38px 3vw 0;color:#fff;background:linear-gradient(rgba(7,35,48,.91),rgba(7,35,48,.93)),url('service-reference.jpg') center/cover}.construction-head{display:flex;justify-content:space-between;align-items:end;padding:0 2vw 22px}.construction h2{font-family:var(--serif);font-size:30px;line-height:1.5;margin:0 0 8px}.construction p{font-size:11px;line-height:1.8}.text-link{font-size:10px;border-bottom:1px solid #fff;padding-bottom:6px}.service-cards{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}.service-cards article{background:#fff;color:var(--ink);padding-bottom:16px}.service-img{height:100px;background:linear-gradient(135deg,#8d9da5,#dce4e7)}.s2{background:linear-gradient(135deg,#354c57,#b6c2c7)}.s3{background:linear-gradient(135deg,#c3b79f,#e8e2d8)}.s4{background:linear-gradient(135deg,#8ca2ad,#dfe8ec)}.s5{background:linear-gradient(135deg,#596d77,#c8d0d4)}.s6{background:linear-gradient(135deg,#d9dfe1,#72858f)}.service-cards h3,.service-cards p{margin-left:14px;margin-right:10px}.service-cards h3{font-size:14px;margin-bottom:5px}.service-cards p{color:#40545e;margin-top:0}.works{padding:42px 3vw;background:#fff}.works-head{display:flex;justify-content:space-between;align-items:end}.works h2{font-family:var(--serif);font-size:31px;margin:3px 0}.works-head p{font-size:11px;line-height:1.7}.filters{display:flex;gap:20px;font-size:10px;margin-bottom:18px}.filters b{border-bottom:2px solid var(--ink)}.work-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.work-grid article{position:relative;border:1px solid var(--line);padding:13px 13px 16px}.device{height:165px;background:#eef2f3;display:flex;align-items:center;justify-content:center}.device img{max-width:92%;max-height:90%;object-fit:cover;box-shadow:0 7px 15px #81919a55}.work-grid h3{font-size:14px;margin:12px 0 4px}.work-grid p{font-size:9px;line-height:1.7;margin:0}.work-grid a{position:absolute;right:13px;bottom:15px;border:1px solid #9eb0b9;border-radius:50%;width:27px;height:27px;text-align:center;line-height:25px}.works>.btn{margin-top:20px}.price{padding:36px 3vw;display:grid;grid-template-columns:1.05fr .75fr 1.3fr;gap:20px;align-items:center;background:#edf0f1}.price h2{font-family:var(--serif);font-size:30px;line-height:1.4;margin:0 0 15px}.price-copy p{font-size:10px;line-height:1.9}.price-card{background:#fff;border-radius:4px;padding:25px;text-align:center}.price-card>span{font-size:13px;font-weight:800}.price-card strong{display:block;font-size:47px;margin:8px 0}.price-card small{font-size:9px}.price-card b{background:var(--ink);color:#fff;padding:8px 16px;border-radius:3px;font-size:10px}.included{display:grid;grid-template-columns:1fr 1fr;gap:0 16px;background:#fff;padding:20px}.included p{font-size:10px;margin:8px 0}.flow{padding:28px 3vw;background:#fff;display:grid;grid-template-columns:180px 1fr;gap:20px}.flow h2{font-family:var(--serif);font-size:28px;margin:4px 0}.flow>div>p{font-size:11px;line-height:1.6}.flow-steps{display:grid;grid-template-columns:repeat(6,1fr)}.flow-steps article{padding:8px 15px;border-left:1px solid var(--line);position:relative}.flow-steps article:not(:last-child):after{content:'→';position:absolute;right:-6px;top:45%;font-size:13px}.flow-steps b{font-size:13px}.flow-steps span{display:block;font-size:22px;color:var(--blue);margin:10px 0}.flow-steps strong{font-size:9px;line-height:1.6}.recruit{min-height:150px;padding:22px 4vw;display:grid;grid-template-columns:1fr 1.2fr;gap:25px;align-items:center;color:#fff;background:linear-gradient(90deg,rgba(8,39,53,.92),rgba(8,39,53,.75)),url('recruit-reference.jpg') center/cover}.recruit h2{font-family:var(--serif);font-size:22px;margin:0}.recruit p{font-size:10px}.ghost{color:#fff;border-color:#fff;background:transparent}.candidate{background:#fff;color:var(--ink);padding:18px}.candidate h3{font-size:12px;margin:0 0 10px}.candidate div{display:flex;gap:9px;align-items:center;font-size:9px;line-height:1.5}.faq{padding:30px 3vw;display:grid;grid-template-columns:180px 1fr;gap:25px;background:#fff}.faq h2{font-family:var(--serif);font-size:25px;margin:3px 0}.faq-list details{border-bottom:1px solid var(--line);padding:12px;background:#f6f8f8}.faq-list summary{font-size:11px;font-weight:700;cursor:pointer}.faq-list p{font-size:10px;line-height:1.7}.column{padding:42px 3vw;background:#f0f4f5}.column h2{font-family:var(--serif);font-size:28px}.column-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.column-grid article{background:#fff;padding:25px;font-size:12px;border:1px solid var(--line)}.contact{padding:42px 4vw;display:flex;justify-content:space-between;align-items:center;background:var(--ink);color:#fff}.contact h2{font-family:var(--serif);font-size:31px;margin:4px 0}.contact p{font-size:13px}.light{background:#fff;color:var(--ink);border-color:#fff}.contact small{display:block;margin-top:10px;font-size:9px;color:#c8d4d9}footer{padding:26px 4vw;display:flex;align-items:center;gap:30px;background:#fff}footer b{font-size:22px;letter-spacing:.1em}footer div small{display:block;font-size:8px}footer p{font-family:var(--serif);font-size:12px}footer>small{margin-left:auto;font-size:8px}@media(max-width:900px){.site-header nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;padding:20px 5vw;flex-direction:column}.site-header nav.open{display:flex}.menu{display:block}.header-cta{font-size:10px;padding:12px}.hero{grid-template-columns:1fr}.hero-visual{height:480px}.trouble-grid,.service-cards{grid-template-columns:repeat(3,1fr)}.work-grid{grid-template-columns:1fr}.price{grid-template-columns:1fr 1fr}.price-copy{grid-column:1/-1}.flow{grid-template-columns:1fr}.flow-steps{grid-template-columns:repeat(3,1fr)}.recruit{grid-template-columns:1fr}.faq{grid-template-columns:1fr}.candidate div{flex-wrap:wrap}}@media(max-width:560px){.site-header{height:64px}.logo small,.site-header>.header-cta{display:none}.hero-copy{padding:38px 6vw}.hero h1{font-size:39px}.vline{display:none}.hero-price strong{font-size:38px}.actions{flex-direction:column}.hero-visual{height:360px}.trouble-grid,.service-cards{grid-template-columns:repeat(2,1fr)}.ph{height:90px}.solution{font-size:21px}.construction-head,.works-head{display:block}.service-cards{gap:6px}.service-img{height:85px}.filters{overflow:auto;white-space:nowrap;padding:10px 0}.price{grid-template-columns:1fr}.included{grid-template-columns:1fr}.flow-steps{grid-template-columns:repeat(2,1fr)}.candidate div{display:block;line-height:2}.column-grid{grid-template-columns:1fr}.contact{display:block}.contact>div:last-child{margin-top:20px}footer{display:block}footer p,footer>small{margin:8px 0}}
/* inner pages */
.inner-hero{padding:76px 6vw 60px;background:linear-gradient(120deg,#edf4f6,#fff);border-bottom:1px solid var(--line)}.inner-hero .eyebrow{font-size:9px;letter-spacing:.2em;color:#718892}.inner-hero h1{font-family:var(--serif);font-size:clamp(36px,5vw,64px);margin:8px 0 14px}.inner-hero p{max-width:680px;line-height:1.9;font-size:13px}.page-section{padding:64px 5vw;background:#fff}.page-section.alt{background:#eef3f4}.section-title{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:30px}.section-title h2{font-family:var(--serif);font-size:32px;margin:0}.section-title p{font-size:11px;line-height:1.8;max-width:520px}.cards-3,.cards-2{display:grid;gap:18px}.cards-3{grid-template-columns:repeat(3,1fr)}.cards-2{grid-template-columns:repeat(2,1fr)}.info-card{background:#fff;border:1px solid var(--line);padding:26px}.info-card .num{font-size:10px;color:var(--blue);font-weight:800}.info-card h3{font-family:var(--serif);font-size:21px}.info-card p{font-size:11px;line-height:1.9}.thumb{height:190px;background:linear-gradient(135deg,#83949c,#dce4e7);margin:-26px -26px 20px}.price-plans{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:900px;margin:auto}.plan{background:#fff;border:1px solid var(--line);padding:34px}.plan.featured{border-top:5px solid var(--blue)}.plan h2{font-family:var(--serif)}.plan .amount{font-size:48px;font-weight:900}.plan ul{padding-left:18px;font-size:11px;line-height:2}.timeline{max-width:900px;margin:auto}.timeline article{display:grid;grid-template-columns:70px 1fr;gap:24px;padding:25px 0;border-bottom:1px solid var(--line)}.timeline b{font-size:28px;color:var(--blue)}.timeline h3{margin:0 0 8px}.timeline p{font-size:11px;line-height:1.8}.form{max-width:820px;margin:auto}.form label{display:block;font-size:11px;font-weight:700;margin:18px 0 7px}.form input,.form textarea,.form select{width:100%;padding:14px;border:1px solid #c9d5da;background:#fff;font:inherit}.form textarea{min-height:160px}.form button{margin-top:24px;border:0}.article-list article{display:grid;grid-template-columns:180px 1fr;gap:24px;padding:22px 0;border-bottom:1px solid var(--line)}.article-list .article-img{height:110px;background:linear-gradient(135deg,#8b9aa1,#e3e8ea)}.article-list h3{margin:0 0 8px;font-family:var(--serif)}.article-list p{font-size:10px;line-height:1.8}.works-full .info-card .thumb{height:220px}.subnav{display:flex;gap:18px;flex-wrap:wrap;font-size:10px;margin-top:22px}.subnav a{border-bottom:1px solid var(--ink);padding-bottom:4px}@media(max-width:700px){.cards-3,.cards-2,.price-plans{grid-template-columns:1fr}.section-title{display:block}.article-list article{grid-template-columns:1fr}.article-list .article-img{height:180px}}
/* v4 visual polish */
body{background:#f4f7f8;background-image:linear-gradient(rgba(9,37,53,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(9,37,53,.025) 1px,transparent 1px);background-size:32px 32px}
.site-header{backdrop-filter:blur(14px);background:rgba(255,255,255,.94);box-shadow:0 4px 24px rgba(9,37,53,.045)}
.site-header nav a{position:relative;padding:27px 0}.site-header nav a:after{content:"";position:absolute;left:0;right:100%;bottom:18px;height:1px;background:var(--ink);transition:.25s}.site-header nav a:hover:after{right:0}
.header-cta,.btn{transition:transform .22s ease,box-shadow .22s ease,background .22s ease}.header-cta:hover,.btn:hover{transform:translateY(-2px);box-shadow:0 9px 24px rgba(9,37,53,.15)}
.blueprint{position:relative}.blueprint:before{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(20,88,116,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(20,88,116,.04) 1px,transparent 1px);background-size:36px 36px;mask-image:linear-gradient(90deg,#000,transparent 55%)}
.hero-copy{z-index:2}.hero-visual{padding:24px 3vw 24px 0;display:flex;align-items:center}.hero-frame{width:100%;height:100%;min-height:545px;overflow:hidden;border-radius:2px;box-shadow:0 24px 70px rgba(5,32,45,.22);position:relative}.hero-frame:after{content:"";position:absolute;inset:0;border:1px solid rgba(255,255,255,.25);pointer-events:none}.hero-frame img{width:100%;height:100%;object-fit:cover;image-rendering:auto}
.hero h1{font-weight:600}.hero-sub{font-size:15px}.hero-price{display:flex;align-items:baseline;gap:4px}.hero-price strong{letter-spacing:-.035em}.badges span{background:rgba(255,255,255,.72);padding:6px 8px;border-radius:2px}
.trouble,.works,.flow,.faq{max-width:1440px;margin-inline:auto}.trouble-grid article,.service-cards article,.work-grid article{transition:transform .25s ease,box-shadow .25s ease}.trouble-grid article:hover,.service-cards article:hover,.work-grid article:hover{transform:translateY(-4px)}
.construction{position:relative;overflow:hidden}.construction:before{content:"DETAIL / STRUCTURE / CRAFT";position:absolute;right:2vw;top:20px;font-size:9px;letter-spacing:.28em;color:rgba(255,255,255,.35)}
.service-cards article{box-shadow:0 10px 24px rgba(0,0,0,.08)}.work-grid article{background:#fff}.work-grid article:hover{box-shadow:0 18px 40px rgba(9,37,53,.1)}
.price{border-top:1px solid #d8e1e5;border-bottom:1px solid #d8e1e5}.price-card{box-shadow:0 18px 45px rgba(9,37,53,.08)}
.flow-steps article{min-height:110px}.recruit{background-position:center 42%}.faq-list details[open]{background:#eef4f6}.faq-list summary{list-style:none;position:relative;padding-right:30px}.faq-list summary:after{content:"＋";position:absolute;right:4px;top:-2px;font-size:18px}.faq-list details[open] summary:after{content:"−"}
.contact{position:relative;overflow:hidden}.contact:after{content:"GOOD WEBSITE.  GOOD CONSTRUCTION.";position:absolute;right:3vw;bottom:12px;font-size:8px;letter-spacing:.22em;color:rgba(255,255,255,.28)}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}.reveal.is-visible{opacity:1;transform:none}
@media(max-width:900px){.hero-visual{padding:0}.hero-frame{min-height:480px;border-radius:0}.site-header nav a{padding:8px 0}.construction:before{display:none}}
@media(max-width:560px){.hero-frame{min-height:360px}.hero-visual{height:auto}.hero h1{line-height:1.45}.hero-price{display:block}.badges span{font-size:9px}.contact:after{display:none}}
/* v5 production polish */
:root{--shadow:0 18px 48px rgba(9,37,53,.10)}
::selection{background:#0c5e83;color:#fff}
.hero{min-height:650px}.hero-frame{min-height:570px}.hero-frame img{object-position:center center}
.service-img.s1{background:linear-gradient(180deg,rgba(9,37,53,.05),rgba(9,37,53,.15)),url('service-reference.jpg') 8% 52%/220% auto}.service-img.s2{background:linear-gradient(180deg,rgba(9,37,53,.05),rgba(9,37,53,.15)),url('service-reference.jpg') 28% 52%/220% auto}.service-img.s3{background:linear-gradient(180deg,rgba(9,37,53,.05),rgba(9,37,53,.15)),url('service-reference.jpg') 47% 52%/220% auto}.service-img.s4{background:linear-gradient(180deg,rgba(9,37,53,.05),rgba(9,37,53,.15)),url('service-reference.jpg') 65% 52%/220% auto}.service-img.s5{background:linear-gradient(180deg,rgba(9,37,53,.05),rgba(9,37,53,.15)),url('service-reference.jpg') 82% 52%/220% auto}.service-img.s6{background:linear-gradient(180deg,rgba(9,37,53,.05),rgba(9,37,53,.15)),url('service-reference.jpg') 100% 52%/220% auto}
.device{position:relative;overflow:hidden;padding:13px;background:linear-gradient(145deg,#edf3f5,#fff)}.device:before{content:"";position:absolute;left:8%;right:8%;bottom:8px;height:7px;background:#bdc8cd;border-radius:50%;filter:blur(4px);opacity:.6}.device img{position:relative;z-index:1;border:6px solid #132e3b;border-bottom-width:12px;border-radius:5px;box-shadow:0 13px 24px rgba(9,37,53,.22)}
.inner-hero{position:relative;overflow:hidden}.inner-hero:after{content:"";position:absolute;inset:0 0 0 55%;background:url('hero-reference.jpg') center/cover;opacity:.13;mask-image:linear-gradient(90deg,transparent,#000)}
.info-card{transition:.25s;box-shadow:0 8px 28px rgba(9,37,53,.035)}.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.thumb{background-image:linear-gradient(135deg,rgba(9,37,53,.12),rgba(255,255,255,.08)),url('service-reference.jpg');background-size:cover;background-position:center}
.plan{box-shadow:0 12px 35px rgba(9,37,53,.06)}.plan.featured{box-shadow:0 18px 48px rgba(9,37,53,.11)}
.mobile-contact{display:none}
@media(max-width:560px){body{padding-bottom:58px}.mobile-contact{position:fixed;display:grid;grid-template-columns:1fr 1fr;left:0;right:0;bottom:0;z-index:40;box-shadow:0 -8px 25px rgba(9,37,53,.15)}.mobile-contact a{padding:14px 8px;text-align:center;font-size:11px;font-weight:800;background:#fff;border-top:1px solid #d6e0e4}.mobile-contact a:first-child{background:var(--ink);color:#fff;border-color:var(--ink)}.hero{min-height:0}.hero-frame{min-height:390px}.service-img{height:105px}.inner-hero:after{inset:45% 0 0 0;opacity:.08}}
/* v7 final hero: restore proposal full-bleed composition */
.hero{position:relative;display:block;min-height:auto;aspect-ratio:2/1;overflow:hidden;background:#eef7fb}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{display:block;width:100%;height:100%;object-fit:cover;object-position:center top}
.hero-copy{position:relative;z-index:2;width:49%;padding:6.1% 2% 4% 11.4%;background:transparent}
.hero-copy .vline{display:none}.hero h1{font-size:clamp(34px,3.15vw,61px);line-height:1.2;margin-bottom:18px}.hero-sub{font-size:clamp(11px,1.05vw,17px);margin:0 0 12px}.hero-price{margin:10px 0 8px}.hero-price strong{font-size:clamp(31px,3.1vw,56px)}.badges{gap:9px;margin-bottom:14px}.badges span{padding:4px 5px;background:rgba(255,255,255,.64)}.actions .btn{padding:12px 20px}.blueprint:before{display:none}
@media(max-width:900px){.hero{aspect-ratio:auto;min-height:620px}.hero-bg img{object-position:62% top}.hero-copy{width:57%;padding:55px 3vw 35px 6vw}.hero h1{font-size:clamp(34px,5vw,48px)}}
@media(max-width:650px){.hero{min-height:700px;background:#eef7fb}.hero-bg{position:absolute;top:340px;height:360px}.hero-bg img{object-fit:cover;object-position:67% center}.hero-copy{width:100%;padding:34px 6vw 20px;background:linear-gradient(#f2f9fc 88%,rgba(242,249,252,.1))}.hero h1{font-size:36px}.hero-sub{font-size:13px}.hero-price strong{font-size:38px}.badges{max-width:380px}.actions{max-width:360px}}