@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600&family=Noto+Serif+JP:wght@400;500;600&display=swap');
:root{--ink:#2f2922;--brown:#94704a;--olive:#273626;--paper:#f7f5f0;--line:#e5dfd4}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:'Noto Sans JP',sans-serif;line-height:1.9}a{color:inherit;text-decoration:none}img{display:block;width:100%;object-fit:cover}button{font:inherit}.serif,h1,h2,h3{font-family:'Noto Serif JP',serif;font-weight:500}.wrap{width:min(1160px,calc(100% - 44px));margin:auto}.site-header{height:86px;background:#fff;display:flex;align-items:center;justify-content:space-between;padding-left:clamp(20px,5vw,70px);position:relative;z-index:20}.brand{display:flex;gap:13px;align-items:center}.brand-mark{font-size:34px;color:#946b37}.brand-name{font:600 clamp(19px,2.2vw,27px)/1.3 'Noto Serif JP',serif;letter-spacing:.1em}.brand-sub{font-size:10px;letter-spacing:.16em}.header-right{height:100%;display:flex;align-items:center;gap:40px}.nav{display:flex;gap:36px;font-size:13px;letter-spacing:.1em}.nav a:hover,.text-link:hover{color:var(--brown)}.header-contact{height:100%;min-width:220px;background:var(--olive);color:#fff;display:flex;align-items:center;justify-content:center;flex-direction:column;padding:12px 24px;text-align:center}.header-contact strong{font-size:15px;letter-spacing:.06em}.header-contact small{font-size:10px}.menu-btn{display:none;background:none;border:0;font-size:28px;cursor:pointer;padding:8px 16px}.hero{min-height:570px;position:relative;display:flex;align-items:center;isolation:isolate;background:#e7d9c3}.hero:before{content:'';position:absolute;inset:0;background:url('assets/hero-timber-ver09.jpg') center/cover;z-index:-2}.hero:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,252,246,.97) 0%,rgba(255,252,246,.86) 30%,rgba(255,252,246,.10) 67%);z-index:-1}.hero-inner{width:min(1160px,calc(100% - 44px));margin:auto;padding:70px 0}.eyebrow{font-size:12px;letter-spacing:.26em;color:var(--brown);font-weight:600}.hero h1{font-size:clamp(36px,4.2vw,60px);letter-spacing:.14em;line-height:1.6;margin:20px 0}.hero p{font-size:15px;letter-spacing:.09em;max-width:420px}.outline-btn{display:inline-flex;align-items:center;gap:30px;border:1px solid var(--ink);padding:10px 25px;margin-top:22px;font-size:13px;transition:.2s}.outline-btn:hover{background:var(--ink);color:white}.section{padding:80px 0}.section.alt{background:var(--paper)}.section-head{text-align:center;margin-bottom:42px}.section-head h2{font-size:clamp(24px,3vw,34px);letter-spacing:.15em;margin:7px 0}.section-head p{font-size:13px;color:#766f64}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.feature img{height:175px}.feature h3{font-size:19px;margin:12px 0 4px}.feature p{font-size:13px;margin:0;color:#665f55}.works-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.works-grid img{height:230px}.work-card h3{font-size:18px;margin:12px 0 0}.work-card p{font-size:12px;color:#71685f;margin:2px 0}.center{text-align:center}.lead{max-width:750px;margin:0 auto 45px;font-size:15px;line-height:2.4;text-align:center}.contact-band{background:var(--olive);color:#fff;text-align:center;padding:65px 20px}.contact-band h2{font-size:28px;margin:0 0 12px}.contact-band p{font-size:14px}.contact-number{font-size:18px;letter-spacing:.06em;font-weight:600}.note{font-size:11px;color:#8a8176}.contact-band .note{color:#d8dfd3}.footer{padding:30px 0;background:#211f1b;color:#ded8cc;font-size:12px}.footer .wrap{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}.footer nav{display:flex;gap:18px}.page-hero{padding:85px 0;background:var(--paper);text-align:center}.page-hero h1{font-size:clamp(28px,4vw,43px);margin:8px}.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin:65px 0}.split img{height:350px}.split h2{font-size:26px}.split p{font-size:14px}.company-table{width:100%;border-collapse:collapse;max-width:850px;margin:35px auto 60px;font-size:14px}.company-table th,.company-table td{border-bottom:1px solid var(--line);padding:18px;text-align:left;vertical-align:top}.company-table th{width:190px;font-weight:500;background:var(--paper)}.tag{font-size:11px;color:#886d4d;letter-spacing:.13em}.photo-note{font-size:12px;text-align:center;color:#857b6c;padding-top:20px}.mobile-call{display:none}@media(max-width:950px){.header-right{gap:10px}.nav{gap:18px}.header-contact{min-width:160px;padding:8px}.feature-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:700px){.site-header{height:70px;padding-left:16px}.brand-mark{font-size:25px}.brand-name{font-size:19px}.brand-sub{font-size:8px}.header-contact{display:none}.menu-btn{display:block}.nav{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;box-shadow:0 12px 18px #0002;flex-direction:column;gap:0;padding:12px 20px}.nav.open{display:flex}.nav a{padding:12px;border-bottom:1px solid var(--line)}.hero{min-height:560px;align-items:flex-start}.hero:before{background-position:56% center}.hero:after{background:linear-gradient(180deg,rgba(255,252,246,.94) 0%,rgba(255,252,246,.83) 48%,rgba(255,252,246,.07) 100%)}.hero-inner{padding-top:48px}.hero h1{font-size:35px}.hero p{font-size:13px;max-width:300px}.section{padding:55px 0}.feature-grid{gap:25px 14px}.feature img{height:130px}.feature h3{font-size:16px}.feature p{font-size:12px}.works-grid{grid-template-columns:1fr 1fr}.works-grid img{height:155px}.split{grid-template-columns:1fr;gap:12px;margin:35px 0}.split img{height:250px}.split.reverse img{order:-1}.company-table th{width:105px}.company-table th,.company-table td{padding:12px;font-size:12px}.lead{text-align:left}.footer{padding-bottom:85px}.mobile-call{display:block;position:fixed;bottom:0;left:0;right:0;background:var(--olive);color:white;text-align:center;padding:12px;z-index:30;font-weight:600;box-shadow:0 -3px 12px #0002}.mobile-call.disabled{background:#6d736b}.contact-band h2{font-size:23px}}
/* Ver.0.2 official identity and company message */
.brand{display:flex;align-items:center;padding:8px 0}.official-logo{display:block;width:min(260px,38vw);height:auto;object-fit:contain}.message-section{max-width:900px;margin:45px auto 55px;line-height:2.15}.message-section h2{font-size:clamp(23px,2.6vw,32px);margin-bottom:22px}.message-section p{margin:0 0 1.4em}.president-message{background:#f6f4ef;padding:clamp(22px,4vw,50px)}.president-sign{text-align:right;font-weight:bold;font-size:1.12rem}@media(max-width:700px){.official-logo{width:185px}.message-section{margin:30px auto 42px}.president-message{padding:22px 18px}}

.header-contact a{color:inherit;text-decoration:none;font-weight:700;font-size:1.18rem}.contact-number a{color:inherit;text-decoration:none}.company-table td{overflow-wrap:anywhere}.company-table a{color:inherit}@media(max-width:650px){.company-table th,.company-table td{padding:12px 10px;font-size:14px}}

/* 家づくり・施工事例：ご提供いただいた専用ヘッダー画像 */
.craft-page-hero{background:#fff url('assets/craft-header.png') center center / cover no-repeat;aspect-ratio:1320 / 443;padding:0;min-height:0}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:700px){.craft-page-hero{aspect-ratio:1320 / 443;background-size:cover;background-position:center}}

/* Ver.0.5: impactful timber-house hero, responsive and readable */
.hero{min-height:clamp(580px,54vw,750px);background:#e8dfcc}
.hero:before{background-image:url('assets/hero-timber-ver09.jpg');background-position:center center}
.hero:after{background:linear-gradient(90deg,rgba(255,252,246,.97) 0%,rgba(255,252,246,.91) 23%,rgba(255,252,246,.57) 43%,rgba(255,252,246,0) 69%)}
.hero h1{font-size:clamp(35px,4.2vw,61px);line-height:1.5;letter-spacing:.09em}
.hero p{max-width:510px}
@media(max-width:700px){.hero{min-height:620px;align-items:flex-start}.hero:before{background-position:58% center}.hero:after{background:linear-gradient(180deg,rgba(255,252,246,.96) 0%,rgba(255,252,246,.91) 38%,rgba(255,252,246,.4) 70%,rgba(255,252,246,.06) 100%)}.hero-inner{padding-top:44px}.hero h1{font-size:clamp(31px,8vw,40px)}.hero p{max-width:330px}}

/* Ver.0.8 verified hero image */
.hero:before{background-image:url("assets/hero-timber-ver09.jpg");background-position:center center}
@media(max-width:700px){.hero:before{background-position:52% center}}

/* v0.9: dedicated new wide timber hero asset */

/* v1.0: direct HTML image; eliminate old pseudo-element image layers */
.hero{position:relative;isolation:isolate;overflow:hidden}
.hero::before{content:none!important;background:none!important;display:none!important}
.hero-photo-v10{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;z-index:-2;display:block}
.hero::after{z-index:-1}
@media(max-width:700px){.hero-photo-v10{object-position:57% center}}

/* v1.1 unique image, no old pseudo-element */
.hero::before{display:none!important;content:none!important}
.hero-photo-v10{object-position:center center;z-index:-2}
@media(max-width:700px){.hero-photo-v10{object-position:60% center}}

/* Ver.1.2: definitive hero reset */
.hero{position:relative;isolation:isolate;overflow:hidden;background:#e7d9c3}
.hero::before{content:none!important;display:none!important;background:none!important}
.hero::after{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;background:linear-gradient(90deg,rgba(255,252,246,.95) 0%,rgba(255,252,246,.83) 25%,rgba(255,252,246,.1) 72%)}
.hero-photo-v12{position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:cover;object-position:center center;z-index:0}
.hero-inner{position:relative;z-index:1}
@media(max-width:700px){.hero-photo-v12{object-position:60% center}.hero::after{background:linear-gradient(180deg,rgba(255,252,246,.96),rgba(255,252,246,.83) 44%,rgba(255,252,246,.08) 100%)}}

/* Ver 1.3: landscape hero, explicit image layer, no legacy background */
.hero{position:relative;isolation:isolate;overflow:hidden;background:#f5f0e6}
.hero::before{display:none!important;content:none!important;background:none!important}
.hero::after{content:none!important;display:none!important}
.hero-photo-v13{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center center;z-index:0;display:block}
.hero-inner{position:relative;z-index:2}
@media(max-width:700px){.hero-photo-v13{object-position:67% center}.hero{min-height:620px;background:#f5f0e6}.hero-inner{background:linear-gradient(180deg,rgba(245,240,230,.92),rgba(245,240,230,.6) 70%,transparent);padding-left:12px;padding-right:12px}}

/* Ver.1.5 SEO content styling */
.renovation-section{background:#f7f5f0}.renovation-section .wrap{max-width:900px}.renovation-section h2{font-size:clamp(25px,3vw,36px);line-height:1.6}.renovation-section p{max-width:760px;font-size:15px;line-height:2.2}.seo-renovation{margin:25px 0 35px}.seo-renovation h3{font-size:21px;margin:22px 0 5px}.seo-renovation p{font-size:14px;line-height:2}

/* Footer production credits */
.footer-credit { text-align: center; padding: 12px 16px 18px; font-size: 11px; line-height: 1.7; letter-spacing: .02em; opacity: .72; }
.footer-credit a { color: inherit; text-decoration: none; }
.footer-credit a + a { margin-left: .35em; }
.footer-credit a:hover { text-decoration: underline; }

/* Ver.1.9: separate white credit strip outside dark footer */
.footer-credit { background: #fff; color: #514c43; opacity: 1; text-align: center; padding: 14px 16px 18px; font-size: 11px; line-height: 1.7; }
.footer-credit a { color: inherit; text-decoration: none; }
.footer-credit a:hover { text-decoration: underline; }
@media(max-width:700px) { .footer-credit { padding-bottom: 72px; } }