@charset "UTF-8";
[hidden]{display:none!important}
:root{--ink:#253936;--text:#303b38;--muted:#63706b;--paper:#fafbf8;--line:#d8ded7;--accent:#446a5c;--serif:"Yu Mincho","YuMincho","Hiragino Mincho ProN",serif;--sans:"Yu Gothic","YuGothic","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;--rhythm:clamp(80px,9vw,136px)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;color:var(--text);background:var(--paper);font-family:var(--sans);font-size:16px;line-height:1.85}body:has(dialog[open]){overflow:hidden}button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}button{color:inherit}img{display:block;width:100%;height:100%;object-fit:cover}h1,h2,h3,p,figure{margin:0}h1,h2,h3{font-weight:500}h1,h2{font-family:var(--serif);font-feature-settings:"palt";letter-spacing:.05em}p+p{margin-top:1.25em}:focus-visible{outline:3px solid #b56a2f;outline-offset:5px}.number{font-family:Arial,sans-serif;font-variant-numeric:lining-nums tabular-nums}.wrap{max-width:1320px;padding-inline:48px;margin-inline:auto}.eyebrow{font-size:14px;font-weight:600;letter-spacing:.15em;margin-bottom:24px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:54px;padding:13px 29px;border:1px solid var(--ink);background:transparent;font-size:14px;font-weight:600;letter-spacing:.05em;transition:background .2s,color .2s}.button:hover{background:#e3e9e1}.button.primary,.nav-cta{color:#fff;background:var(--ink)}.button.primary:hover,.nav-cta:hover{background:#456358}.skip{position:fixed;top:-100px;left:20px;z-index:100;padding:12px;background:#fff}.skip:focus{top:10px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.preview-note{min-height:30px;background:#e8eee8;font-size:12px;text-align:center;line-height:1.7;padding:5px 20px;letter-spacing:.02em}.preview-note a{margin-left:20px;text-decoration:underline;text-underline-offset:3px}.preview-note span{margin-inline:6px}.header{height:100px;display:flex;align-items:center;justify-content:space-between;padding-inline:4.5%;background:var(--paper);position:relative;z-index:10;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:17px;flex-shrink:0}.brand-en{font-family:Arial,sans-serif;font-weight:400;font-size:30px;letter-spacing:.17em;line-height:1.2}.brand-jp{font-size:14px;letter-spacing:.12em;border-left:1px solid var(--line);padding-left:17px}.header nav{display:flex;align-items:center;gap:29px;font-size:14px}.header nav>a{position:relative}.header nav>a:hover{text-decoration:underline;text-underline-offset:6px}.header .nav-cta{min-height:46px;padding:9px 21px}.menu-toggle{display:none}.hero{min-height:660px;height:calc(100svh - 160px);max-height:840px;display:grid;grid-template-columns:38% 62%;position:relative;padding:40px 3.5% 38px 5.5%;gap:0}.hero-copy{padding-top:34px;align-self:center;position:relative;z-index:1}.hero h1{font-size:clamp(42px,4.1vw,65px);line-height:1.55;letter-spacing:.085em;color:var(--ink)}.hero-description{font-size:16px;line-height:2.1;margin-top:26px}.hero .button{margin-top:28px}.hero-foot{font-size:12px;letter-spacing:.08em;color:var(--muted);margin-top:20px}.hero-photo{height:100%;position:relative;min-height:0;align-self:stretch;overflow:hidden;background:#dce1da}.hero-photo img{object-position:center;transition:opacity .2s}.hero-photo figcaption{display:flex;justify-content:space-between;position:absolute;bottom:0;left:0;right:0;background:linear-gradient(transparent,rgba(18,32,27,.8));padding:55px 26px 20px;color:#fff;font-size:13px;letter-spacing:.09em}.hero-index{position:absolute;right:4%;bottom:8px;font-size:11px;letter-spacing:.2em;font-family:Arial,sans-serif}.photo-frame{background:#e5e8e2;position:relative}.photo-frame.failed:after{content:"公式サイトの施工写真";position:absolute;inset:0;display:grid;place-items:center;font-size:14px;letter-spacing:.15em;color:#687b70;background:#e5e8e2}.photo-frame.failed img{opacity:0}.intro{padding-block:var(--rhythm);display:grid;grid-template-columns:1fr 1.45fr 1.3fr;align-items:start;gap:32px;border-bottom:1px solid var(--line)}.intro .eyebrow{padding-top:10px}.intro h2,.section-heading h2,.approach h2,.contact h2{font-size:clamp(30px,3.2vw,45px);line-height:1.8}.intro-copy{font-size:16px;line-height:2.1}.works{padding-block:var(--rhythm)}.section-heading{display:flex;justify-content:space-between;gap:40px;align-items:flex-end;margin-bottom:58px}.section-heading>p{font-size:16px;color:var(--muted);line-height:2}.work-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:64px;align-items:start}.work-card{display:block;border:0;padding:0;background:none;text-align:left;width:100%}.work-image{display:block;aspect-ratio:1.25;overflow:hidden}.work-image img{transition:transform .55s}.work-card:hover img{transform:scale(1.035)}.work-small{margin-top:120px}.work-small .work-image{aspect-ratio:1}.work-caption{display:flex;align-items:flex-end;justify-content:space-between;padding-top:21px;gap:15px}.work-location{display:block;font-size:13px;letter-spacing:.07em;color:var(--muted)}.work-caption strong{font-size:25px;letter-spacing:.04em;font-family:Arial,sans-serif;font-weight:400}.work-caption>.number{font-size:14px}.work-open{position:absolute;bottom:20px;right:20px;background:var(--paper);padding:10px 20px;font-size:13px;z-index:2}.work-note{margin-top:30px;font-size:12px;color:var(--muted)}.approach{padding-block:var(--rhythm);background:var(--ink);color:#f2f5ef}.approach-head{display:grid;grid-template-columns:1fr 1.7fr 1fr;gap:30px;align-items:start}.approach-head .eyebrow{padding-top:10px}.approach-head>p:last-child{font-size:16px;line-height:2.2;align-self:end;color:#d3ded3}.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:70px;margin-top:75px}.principles article{border-top:1px solid #697c70;padding-top:23px}.principle-number{color:#bed0bb;font-size:14px}.principles h3{font-family:var(--serif);font-size:27px;line-height:1.7;letter-spacing:.05em;margin-top:25px;margin-bottom:23px}.principles p{font-size:16px;line-height:2;color:#dce4dc}.process{padding-block:var(--rhythm);border-bottom:1px solid var(--line)}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:45px;list-style:none;margin:0;padding:0}.steps li{border-top:1px solid var(--line);padding-top:25px}.steps .number{color:var(--muted);font-size:14px}.steps h3{font-size:20px;font-weight:600;margin-top:18px;margin-bottom:14px}.steps p{color:var(--muted);line-height:1.95}.faq{padding-block:var(--rhythm);display:grid;grid-template-columns:1fr 1.55fr;gap:65px}.faq h2{font-size:34px;line-height:1.7}.questions details{border-top:1px solid var(--line)}.questions details:last-child{border-bottom:1px solid var(--line)}summary{position:relative;cursor:pointer;padding:25px 38px 25px 0;font-size:16px;font-weight:600;list-style:none}summary::-webkit-details-marker{display:none}summary:after{content:"＋";position:absolute;right:2px;top:24px;font-size:20px;font-weight:400}details[open] summary:after{content:"−"}.questions details p{padding:0 30px 26px 0;color:var(--muted)}.contact{background:#e6ece3;padding-block:90px}.contact-inner{display:flex;justify-content:space-between;align-items:center;gap:50px}.contact p:not(.eyebrow){margin-top:23px;line-height:2}.contact-actions{display:flex;flex-direction:column;align-items:center;gap:17px}.contact-actions .button{min-width:285px;min-height:65px}.contact-actions>span{font-size:12px;color:var(--muted)}.footer{padding-top:65px;padding-bottom:24px}.footer-top{display:flex;align-items:flex-start;justify-content:space-between;gap:36px;padding-bottom:60px}.footer-top .brand{flex-direction:column;align-items:flex-start;gap:14px}.footer-top .brand-jp{border:0;padding:0}.footer address{font-size:14px;font-style:normal;line-height:2.1}.footer .hours{font-size:12px;color:var(--muted)}.footer-top>a:last-child{font-size:13px;text-decoration:underline;text-underline-offset:4px}.footer-bottom{border-top:1px solid var(--line);padding-top:21px;display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}.mobile-contact{display:none}dialog{border:0;padding:0;background:var(--paper);color:var(--text);width:min(1080px,calc(100% - 48px));max-height:90svh;box-shadow:0 24px 100px #0004}dialog::backdrop{background:#0b171ac9}.dialog-close{position:absolute;right:16px;top:14px;min-height:42px;padding:6px 15px;border:1px solid var(--line);background:var(--paper);z-index:5;font-size:14px}.work-detail{display:grid;grid-template-columns:1.1fr 1fr;padding-top:64px}.detail-image{min-height:480px}.detail-image img{object-fit:contain}.detail-copy{padding:30px 36px 45px}.detail-copy h2{font-family:Arial,sans-serif;font-size:36px;letter-spacing:.02em}.detail-copy dl{border-block:1px solid var(--line);margin-block:28px;padding-block:15px;display:grid;grid-template-columns:80px 1fr;font-size:14px;row-gap:7px}.detail-copy dd{margin:0}.detail-copy p{font-size:16px}.detail-copy .button{width:100%;margin-top:30px}.detail-copy>a{display:block;margin-top:20px;font-size:13px;text-decoration:underline}#consult-dialog{width:min(660px,calc(100% - 40px))}.consult-content{padding:70px 48px 45px}.consult-content h2{font-size:28px}.demo-notice{font-size:13px;color:var(--muted);background:#eaf0e7;padding:13px 16px;margin-block:25px}.consult-content form{display:grid;gap:23px}.consult-content form>label{display:block;font-size:14px;font-weight:600}.consult-content input:not([type=checkbox]):not([type=radio]),textarea{display:block;width:100%;padding:12px 14px;border:1px solid #a9b8ac;background:#fff;margin-top:8px;border-radius:0;color:var(--ink);font-size:16px;line-height:1.6}.consult-content textarea{resize:vertical}.required,.optional{font-size:12px;font-weight:400;margin-left:9px}.required{color:#9c3820}.optional{color:var(--muted)}fieldset{border:0;padding:0;margin:0}legend{font-size:14px;font-weight:600;margin-bottom:12px}.choice-group{display:flex;flex-wrap:wrap;gap:8px}.choice-group label{cursor:pointer;position:relative}.choice-group input{position:absolute;opacity:0;width:1px;height:1px}.choice-group span{display:block;border:1px solid #b0c0b1;padding:8px 14px;font-size:14px;background:#fff}.choice-group input:checked+span{background:var(--ink);color:#fff}.choice-group input:focus-visible+span{outline:3px solid #b56a2f;outline-offset:2px}#consult-review dl{display:grid;grid-template-columns:120px 1fr;gap:15px;padding-block:15px;font-size:14px}#consult-review dd{margin:0;overflow-wrap:anywhere;white-space:pre-wrap}
body.direction-b .hero{display:block;isolation:isolate;padding:58px 7%;min-height:680px;background:#17261f;color:white}body.direction-b .hero-photo{position:absolute;inset:0;z-index:-2}body.direction-b .hero-photo:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#07180bcc,transparent 85%);z-index:1}body.direction-b .hero-copy{padding-top:30px}body.direction-b .hero h1{color:#fff;font-size:clamp(46px,4.8vw,70px)}body.direction-b .hero-foot{color:#d8e3d7}body.direction-b .hero .button{background:#fff;color:var(--ink);border-color:#fff}body.direction-b .hero-photo figcaption{z-index:2;padding-left:70%;padding-bottom:25px;font-size:12px}body.direction-b .hero-index{display:none}body.direction-b .intro{grid-template-columns:1fr 1fr;padding-inline:8%;max-width:none}body.direction-b .intro>.eyebrow{grid-column:1/-1;margin-bottom:0}body.direction-b .work-grid{gap:35px;grid-template-columns:1fr 1fr}body.direction-b .work-small{margin-top:0}body.direction-b .work-small .work-image{aspect-ratio:1.25}
body.direction-c .hero{height:auto;min-height:0;display:grid;grid-template-columns:1fr 1fr;padding:60px 5.5%;border-bottom:1px solid var(--line)}body.direction-c .hero-photo{display:none}body.direction-c .hero-copy{display:contents}body.direction-c .hero .eyebrow{grid-column:1/-1}body.direction-c .hero h1{font-family:var(--sans);font-weight:500;font-size:48px;grid-row:2/5;line-height:1.65;letter-spacing:.025em}body.direction-c .hero-description{margin:0;align-self:start}body.direction-c .hero .button{justify-self:start;margin-top:20px}body.direction-c .hero-foot{margin-top:14px}body.direction-c .hero-index{display:none}body.direction-c .desktop-break{display:none}body.direction-c .works{padding-top:65px}body.direction-c .works .section-heading h2{font-family:var(--sans);font-size:32px}body.direction-c .work-grid{grid-template-columns:1fr 1fr;gap:30px}body.direction-c .work-small{margin-top:0}body.direction-c .work-small .work-image{aspect-ratio:1.25}body.direction-c .intro{border-block:1px solid var(--line)}
@media(min-width:1600px){.hero{max-width:1760px;margin:auto}}
@media(max-width:1100px){.header{padding-inline:30px}.header nav{gap:18px}.header .brand-jp{display:none}.hero{grid-template-columns:42% 58%;padding-left:40px}.hero h1{font-size:48px}.wrap{padding-inline:35px}.intro{grid-template-columns:1fr 1fr}.intro>.eyebrow{grid-column:1/-1;margin-bottom:0}.approach-head{grid-template-columns:1.5fr 1fr}.approach-head>.eyebrow{grid-column:1/-1}.principles{gap:35px}.footer-top{flex-wrap:wrap}}
@media(max-width:760px){html{scroll-padding-top:20px}.wrap{padding-inline:24px}.preview-note{font-size:12px;padding:6px 14px;line-height:1.6}.preview-note a{display:none}.header{height:77px;padding-inline:24px}.brand{gap:11px}.brand-en{font-size:25px}.header .brand-jp{display:block;font-size:12px;padding-left:11px}.menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:7px;border:0;background:transparent;width:44px;height:44px;padding:10px}.menu-toggle>span:not(.sr-only){display:block;width:24px;height:1px;background:var(--ink);transition:transform .2s}.menu-toggle[aria-expanded=true]>span:first-child{transform:translateY(4px) rotate(45deg)}.menu-toggle[aria-expanded=true]>span:nth-child(2){transform:translateY(-4px) rotate(-45deg)}.header nav{display:none;position:absolute;left:0;right:0;top:77px;background:var(--paper);padding:25px;box-shadow:0 10px 20px #0002;align-items:stretch;flex-direction:column;gap:0}.header nav.open{display:flex}.header nav>a{padding:14px 0;border-bottom:1px solid var(--line)}.header nav .button{margin-top:22px}.hero{display:flex;flex-direction:column;height:auto;max-height:none;min-height:0;padding:0 0 30px;gap:0}.hero-copy{padding:33px 24px 30px;align-self:stretch}.hero .eyebrow{font-size:12px;margin-bottom:14px}.hero h1{font-size:37px;line-height:1.6;letter-spacing:.08em}.desktop-break{display:none}.hero-description{font-size:14px;line-height:1.9;margin-top:16px}.hero-description br:nth-child(2){display:none}.hero .button{margin-top:23px;min-height:48px}.hero-foot{display:none}.hero-photo{height:auto;min-height:0;aspect-ratio:1.3;margin-left:24px}.hero-photo figcaption{padding:40px 18px 14px;font-size:12px}.hero-index{right:24px;bottom:6px;font-size:10px}.intro{display:block;padding-block:68px}.intro .eyebrow{padding:0;margin-bottom:25px}.intro h2,.section-heading h2,.approach h2,.contact h2{font-size:31px;line-height:1.75}.intro-copy{margin-top:30px;font-size:16px;line-height:2}.wide-only{display:none}.works{padding-block:70px}.section-heading{display:block;margin-bottom:32px}.section-heading>p{margin-top:25px;font-size:14px}.eyebrow{margin-bottom:20px;font-size:13px}.work-grid{display:block}.work-card+.work-card{margin-top:38px}.work-image,.work-small .work-image{aspect-ratio:1.2}.work-caption{padding-top:15px}.work-caption strong{font-size:24px}.work-location{font-size:12px}.work-open{bottom:13px;right:13px;padding:8px 13px;font-size:12px}.work-note{font-size:12px}.approach{padding-block:65px}.approach-head{display:block}.approach-head .eyebrow{padding:0}.approach-head>p:last-child{margin-top:25px;font-size:16px;line-height:1.9}.principles{display:block;margin-top:45px}.principles article{padding-top:18px;margin-top:32px}.principles h3{font-size:25px;margin-top:15px;margin-bottom:16px}.principles h3 br{display:none}.principles p{font-size:16px;line-height:1.95}.process{padding-block:70px}.steps{display:block}.steps li+li{margin-top:28px}.steps h3{font-size:19px;margin-top:13px}.faq{display:block;padding-block:70px}.faq h2{font-size:30px}.questions{margin-top:35px}summary{font-size:15px;padding-block:22px;line-height:1.9}.questions details p{font-size:15px}.contact{padding-block:60px}.contact-inner{display:block}.contact h2{font-size:28px}.contact p:not(.eyebrow){font-size:15px}.contact-actions{align-items:stretch;margin-top:35px}.contact-actions .button{min-width:0}.contact-actions>span{text-align:center}.footer{padding-top:45px;padding-bottom:98px}.footer-top{display:block;padding-bottom:35px}.footer-top address{margin-top:30px}.footer-top>a:last-child{display:inline-block;margin-top:24px}.footer-bottom{flex-wrap:wrap;gap:12px;font-size:12px}.mobile-contact{position:fixed;bottom:0;left:0;right:0;z-index:8;display:grid;grid-template-columns:1fr 1fr;padding:10px 16px max(10px,env(safe-area-inset-bottom));gap:10px;background:#fafbf8f5;border-top:1px solid var(--line)}.mobile-contact a,.mobile-contact button{display:flex;justify-content:center;align-items:center;font-size:13px;min-height:46px;border:1px solid var(--ink);background:transparent}.mobile-contact button{background:var(--ink);color:#fff}dialog{width:calc(100% - 24px);max-height:90svh}.work-detail{display:block;padding-top:62px}.detail-image{min-height:0;height:280px}.detail-copy{padding:25px 24px 35px}.detail-copy h2{font-size:32px}.consult-content{padding:70px 24px 30px}.consult-content h2{font-size:24px}#consult-dialog{width:calc(100% - 24px)}#consult-review dl{display:block}#consult-review dd{margin:4px 0 16px}body.direction-b .hero{min-height:700px;padding:48px 25px}body.direction-b .hero-copy{padding:0}body.direction-b .hero h1{font-size:41px}body.direction-b .hero-photo{margin:0;aspect-ratio:auto;height:100%}body.direction-b .hero-photo:before{background:linear-gradient(90deg,#07180be6,#07180b50)}body.direction-b .hero-photo figcaption{padding:35px 24px 20px}body.direction-b .intro{display:block;padding-inline:24px}body.direction-b .intro>.eyebrow{margin-bottom:25px}body.direction-b .work-small{margin-top:38px}body.direction-c .hero{display:block;padding:40px 24px}body.direction-c .hero-copy{display:block;padding:0}body.direction-c .hero h1{font-size:34px}body.direction-c .hero-description{margin-top:20px}body.direction-c .works{padding-top:45px}body.direction-c .work-small{margin-top:38px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;margin-top:24px}
.hero .hero-actions .button{margin-top:0}
.text-link{display:inline-flex;align-items:center;gap:12px;min-height:44px;padding:7px 0;border:0;border-bottom:1px solid currentColor;background:none;font:inherit;font-size:14px;font-weight:600;text-align:left;cursor:pointer}
.text-link:hover{color:var(--accent)}
.hero-actions .text-link{font-size:13px}
.intro{padding-top:50px}
.intro-copy .text-link{margin-top:24px}
.case-guide{border-top:1px solid var(--line);padding-top:28px;margin-top:45px;display:grid;grid-template-columns:1fr auto;column-gap:25px;align-items:center}
.case-guide>p{font-family:var(--serif);font-size:24px;letter-spacing:.035em}
.case-guide>span{font-size:14px;color:var(--muted);grid-column:1;margin-top:8px}
.case-guide>.text-link{grid-column:2;grid-row:1/3}
.planning{padding-block:var(--rhythm);display:grid;grid-template-columns:1fr 1.25fr;gap:90px;border-bottom:1px solid var(--line)}
.planning h2{font-size:clamp(32px,3.2vw,45px);line-height:1.75}
.planning-heading>p:last-child{margin-top:30px;color:var(--muted)}
.planning-topics article{padding-block:0 35px;border-bottom:1px solid var(--line)}
.planning-topics article+article{padding-top:35px}
.planning-number{font-size:12px;letter-spacing:.12em;color:var(--muted)}
.planning h3{font-family:var(--serif);font-size:29px;margin-block:14px 18px}
.planning-hint{padding-left:17px;border-left:2px solid #b6c6b8;font-size:14px;color:var(--muted)}
.planning .text-link{margin-top:20px}
.form-lead{font-size:14px;margin-top:20px;color:var(--muted)}
body.direction-b .hero-actions .text-link{color:white}
body.direction-b .hero-actions .button{color:var(--ink)}
body.direction-c .hero-actions{align-self:start;margin-top:20px}
body.direction-c .hero-actions .button{margin-top:0}
@media(max-width:1100px){.planning{gap:45px}.header nav{gap:15px}.header nav>a{font-size:13px}.case-guide>p{font-size:22px}}
@media(max-width:760px){.hero-description{max-width:35em}.hero-description br{display:none}.hero-actions{gap:12px;margin-top:20px}.hero-actions .text-link{font-size:13px}.hero h1{font-size:36px}.intro{padding-top:15px}.case-guide{display:block;margin-top:35px}.case-guide>p{font-size:22px}.case-guide>span{display:block;margin-top:12px}.case-guide>.text-link{margin-top:20px}.planning{display:block;padding-block:65px}.planning h2{font-size:32px}.planning-heading>p:last-child{font-size:15px;margin-top:24px}.planning-topics{margin-top:40px}.planning h3{font-size:25px}.planning-topics article{padding-bottom:28px}.planning-topics article+article{padding-top:28px}.planning p{line-height:1.95}.intro h2{font-size:31px}body.direction-c .hero-actions{display:flex}}

.detail-image img{object-fit:contain;}