/* ==========================================================
   XELION  styles.css  (v2 / mockup-based)
   写真は images/ に以下の名前で置くと自動で表示されます。
   無い間はグラデーションで代用されます。
     hero.jpg       ヒーロー背景（バスルームなど）横長 1920x900 目安
     service-1.jpg  キッチン        4:3
     service-2.jpg  ユニットバス    4:3
     service-3.jpg  補修・建具      4:3
     service-4.jpg  清掃後の室内    4:3
     works-1.jpg ～ works-4.jpg  施工事例  4:3
     works-bg.jpg   施工事例の背景（観葉植物など）
     about.jpg      私たちについて 中央の写真（縦長）
     about-city.jpg 街並みと青空（縦長）
     cta.jpg        お問い合わせ帯の背景（リビングなど）
   ========================================================== */

:root{
  --navy:#0e3a6c;
  --navy-d:#0a2b52;
  --blue:#1d5fa6;
  --sky:#2f7fd1;
  --line:#06c755;
  --ink:#1b2a3a;
  --text:#3b4a5a;
  --muted:#6f7f8f;
  --bg:#f4f7fb;
  --border:#dde5ee;
  --white:#fff;
  --serif:'Noto Serif JP',serif;
  --sans:'Noto Sans JP',sans-serif;
  --hand:'Yuji Syuku',serif;
  --header-h:76px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--header-h)}
body{margin:0;font-family:var(--sans);color:var(--text);background:#fff;line-height:1.8;font-size:15px;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img,svg{max-width:100%;display:block}
h1,h2,h3{color:var(--ink);margin:0;line-height:1.35}
p{margin:0}
.container{width:min(1180px,calc(100% - 48px));margin:0 auto}
.container.narrow{max-width:820px}
.section{padding:88px 0}
.kicker{display:block;font-size:13px;letter-spacing:.25em;color:var(--muted);margin-bottom:8px}
.sec-head{text-align:center;margin-bottom:44px}
.sec-head span{display:block;font-size:13px;letter-spacing:.3em;color:var(--muted)}
.sec-head h2{font-family:var(--serif);font-size:32px;font-weight:600;margin:6px 0 14px}
.sec-head h2::after{content:'';display:block;width:56px;height:2px;background:var(--navy);margin:14px auto 0}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:999px;font-weight:700;font-size:14px;transition:.2s;white-space:nowrap;border:0;cursor:pointer}
.btn:hover{transform:translateY(-1px);filter:brightness(1.05)}
.btn-navy{background:var(--navy);color:#fff}
.btn-line{background:var(--line);color:#fff}
.btn-line::before{content:'';width:18px;height:18px;border-radius:50%;background:#fff;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 3C7 3 3 6.3 3 10.4c0 3.6 3.2 6.6 7.5 7.2.3.1.7.2.8.5.1.3 0 .7 0 1l-.1.8c0 .3-.2 1 .9.5s5.7-3.4 7.8-5.8c1.4-1.5 2.1-3 2.1-4.6C21 6.3 17 3 12 3z'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 3C7 3 3 6.3 3 10.4c0 3.6 3.2 6.6 7.5 7.2.3.1.7.2.8.5.1.3 0 .7 0 1l-.1.8c0 .3-.2 1 .9.5s5.7-3.4 7.8-5.8c1.4-1.5 2.1-3 2.1-4.6C21 6.3 17 3 12 3z'/%3E%3C/svg%3E") center/contain no-repeat}
.btn-navy::before{content:'';width:16px;height:16px;background:#fff;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M2 5h20v14H2z M2 5l10 8 10-8' fill='none' stroke='%23000' stroke-width='2' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M2 5h20v14H2z M2 5l10 8 10-8' fill='none' stroke='%23000' stroke-width='2' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat}
.btn-lg{padding:16px 48px;font-size:16px;border-radius:8px}
.btn-lg::before{display:none}
.btn-outline{border:1.5px solid #fff;color:#fff;background:transparent;border-radius:4px;padding:12px 26px}
.btn-outline::after,.more::after{content:'→';font-family:var(--sans);margin-left:8px}
.ico-tel{display:inline-block;width:22px;height:22px;background:currentColor;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6.6 10.8a15 15 0 0 0 6.6 6.6l2.2-2.2a1 1 0 0 1 1-.25c1.1.37 2.3.57 3.6.57a1 1 0 0 1 1 1V20a1 1 0 0 1-1 1A17 17 0 0 1 3 4a1 1 0 0 1 1-1h3.5a1 1 0 0 1 1 1c0 1.25.2 2.45.57 3.57a1 1 0 0 1-.25 1z'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6.6 10.8a15 15 0 0 0 6.6 6.6l2.2-2.2a1 1 0 0 1 1-.25c1.1.37 2.3.57 3.6.57a1 1 0 0 1 1 1V20a1 1 0 0 1-1 1A17 17 0 0 1 3 4a1 1 0 0 1 1-1h3.5a1 1 0 0 1 1 1c0 1.25.2 2.45.57 3.57a1 1 0 0 1-.25 1z'/%3E%3C/svg%3E") center/contain no-repeat}
.ico-mail{display:inline-block;width:24px;height:24px;background:currentColor;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M2 5h20v14H2z M2 5l10 8 10-8' fill='none' stroke='%23000' stroke-width='2' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M2 5h20v14H2z M2 5l10 8 10-8' fill='none' stroke='%23000' stroke-width='2' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat}
.ico-line{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#fff;color:var(--line);font-size:9px;font-weight:900;letter-spacing:0}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);backdrop-filter:blur(8px);box-shadow:0 1px 0 var(--border)}
.header-inner{height:var(--header-h);display:flex;align-items:center;gap:28px;padding:0 28px}
.brand{display:flex;align-items:center;gap:10px}
.logo-mark{width:44px;height:36px}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text strong{font-size:24px;letter-spacing:.06em;color:var(--navy);font-weight:900}
.brand-text small{font-size:10px;color:var(--muted);margin-top:3px;letter-spacing:.05em}
.gnav{display:flex;align-items:center;gap:26px;margin-left:auto}
.gnav>a{display:flex;flex-direction:column;align-items:center;font-size:13px;font-weight:700;color:var(--ink);line-height:1.2;padding:6px 0;position:relative}
.gnav>a small{font-size:9px;letter-spacing:.14em;color:var(--muted);font-weight:500;margin-top:3px}
.gnav>a::after{content:'';position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--navy);transform:scaleX(0);transition:.2s}
.gnav>a:hover::after,.gnav>a.is-current::after{transform:scaleX(1)}
.gnav-cta{display:flex;align-items:center;gap:10px;margin-left:8px}
.tel{display:grid;grid-template-columns:auto auto;column-gap:6px;align-items:center;color:var(--navy);margin-right:4px}
.tel .ico-tel{grid-row:1/3;width:20px;height:20px}
.tel b{font-size:20px;letter-spacing:.02em;line-height:1}
.tel small{font-size:9px;color:var(--muted);line-height:1.2}
.menu-btn{display:none;margin-left:auto;width:44px;height:44px;border:0;background:none;cursor:pointer;flex-direction:column;justify-content:center;gap:6px;padding:0 8px}
.menu-btn span{display:block;height:2px;background:var(--navy);transition:.25s}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:560px;display:flex;align-items:center;overflow:hidden;color:#fff}
.hero-bg{position:absolute;inset:0;background:
  linear-gradient(90deg,rgba(8,30,56,.78) 0,rgba(8,30,56,.55) 35%,rgba(8,30,56,.15) 60%,rgba(255,255,255,.1) 100%),
  url(images/hero.jpg) center/cover no-repeat,
  linear-gradient(110deg,#1b2f45 0,#3b5b78 35%,#9bb7c9 60%,#e4eef4 100%)}
.hero-inner{position:relative;width:min(1180px,calc(100% - 48px));margin:0 auto;display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:40px;padding:70px 0}
.hero h1{font-family:var(--serif);font-size:clamp(36px,4.6vw,60px);font-weight:600;color:#fff;letter-spacing:.04em;line-height:1.3;text-shadow:0 2px 24px rgba(0,0,0,.25)}
.hero-copy{margin-top:26px;font-size:17px;line-height:1.9;letter-spacing:.06em}
.hero-eyebrow{margin-top:36px;font-size:13px;letter-spacing:.3em;line-height:1.7;opacity:.9}
.hero-logo{display:flex;flex-direction:column;align-items:center;justify-self:end;padding:28px 36px;background:rgba(255,255,255,.55);backdrop-filter:blur(6px);border-radius:16px}
.hero-logo svg{width:150px;height:auto}
.hero-logo-text{font-size:64px;font-weight:900;letter-spacing:.06em;color:var(--navy);line-height:1;margin-top:10px}
.tagline{font-family:var(--hand);color:var(--navy);font-size:24px;line-height:1.5;letter-spacing:.06em}
.hero-logo .tagline{margin-top:18px;transform:rotate(-6deg);text-align:right;align-self:flex-end}

/* ---------- features ---------- */
.features{background:#fff;border-bottom:1px solid var(--border)}
.features ul{list-style:none;margin:0 auto;padding:22px 0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.features li{display:flex;align-items:center;gap:14px;justify-content:center;color:var(--navy)}
.features svg{width:44px;height:44px;flex:none}
.features b{display:block;font-size:15px;color:var(--ink)}
.features small{font-size:10px;letter-spacing:.2em;color:var(--muted)}

/* ---------- service ---------- */
.service{background:var(--bg)}
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.service-card{background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 6px 24px rgba(14,58,108,.06);display:flex;flex-direction:column}
.thumb{aspect-ratio:4/3;background:center/cover no-repeat,linear-gradient(135deg,#dbe6ef,#b7c9d8)}
.thumb-1{background-image:url(images/service-1.jpg),linear-gradient(135deg,#e8e2d6,#b9b0a2)}
.thumb-2{background-image:url(images/service-2.jpg),linear-gradient(135deg,#dfe9ef,#9fb8c8)}
.thumb-3{background-image:url(images/service-3.jpg),linear-gradient(135deg,#eee7dc,#c4b59f)}
.thumb-4{background-image:url(images/service-4.jpg),linear-gradient(135deg,#f0ece4,#cfc2a8)}
.service-card .body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.service-card h3{font-size:17px;font-weight:700;color:var(--navy);margin-bottom:10px}
.service-card p{font-size:13.5px;line-height:1.8;flex:1}
.more{display:inline-block;margin-top:16px;font-size:13px;font-weight:700;color:var(--navy)}

/* ---------- works ---------- */
.works{position:relative;padding:72px 0;color:#fff;overflow:hidden}
.works-bg{position:absolute;inset:0;background:
  linear-gradient(90deg,rgba(10,43,82,.92),rgba(10,43,82,.86)),
  url(images/works-bg.jpg) center/cover no-repeat,
  linear-gradient(135deg,#0a2b52,#153f6f)}
.works-inner{position:relative;display:grid;grid-template-columns:260px 1fr;gap:48px;align-items:center}
.works-lead .kicker{color:#cfe0f3}
.works-lead h2{font-family:var(--serif);font-size:38px;color:#fff;font-weight:600}
.works-lead p{margin:18px 0 26px;font-size:14px;color:#e3edf7}
.works-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.work .thumb{border-radius:4px;background-image:linear-gradient(135deg,#9db3c6,#5c7891)}
.w-1{background-image:url(images/works-1.jpg),linear-gradient(135deg,#e6dfd3,#a79c8c)!important}
.w-2{background-image:url(images/works-2.jpg),linear-gradient(135deg,#dde8ee,#8ea8bb)!important}
.w-3{background-image:url(images/works-3.jpg),linear-gradient(135deg,#f0f0ee,#b3b8bd)!important}
.w-4{background-image:url(images/works-4.jpg),linear-gradient(135deg,#efe6d6,#c2ad8a)!important}
.work b{display:block;margin-top:12px;font-size:14px}
.work small{display:block;font-size:12px;color:#cfdbe8;margin-top:2px}

/* ---------- about ---------- */
.about{display:grid;grid-template-columns:1.15fr .85fr .85fr;min-height:420px}
.about-text{padding:64px 56px;display:flex;flex-direction:column;justify-content:center}
.about-text h2{font-family:var(--serif);font-size:30px;font-weight:600;margin-bottom:22px}
.about-text>p{font-size:14.5px;line-height:1.95}
.company-table{margin:26px 0 0;font-size:13px}
.company-table div{display:grid;grid-template-columns:96px 1fr;gap:8px;padding:9px 0;border-top:1px solid var(--border)}
.company-table div:last-child{border-bottom:1px solid var(--border)}
.company-table dt{font-weight:700;color:var(--navy)}
.company-table dd{margin:0}
.about-photo{position:relative;display:grid;place-items:center;background:url(images/about.jpg) center/cover no-repeat,linear-gradient(160deg,#dfe9f0 0,#a9c3d3 50%,#6f93ad 100%)}
.about-photo .tagline{font-size:34px;transform:rotate(-6deg);text-align:center;color:var(--navy);text-shadow:0 1px 0 rgba(255,255,255,.6)}
.about-city{position:relative;padding:64px 44px;display:flex;flex-direction:column;justify-content:center;color:#fff;background:
  linear-gradient(180deg,rgba(23,82,140,.55),rgba(23,82,140,.75)),
  url(images/about-city.jpg) center/cover no-repeat,
  linear-gradient(180deg,#7fb3e6 0,#3b7cc0 60%,#1f5a98 100%)}
.about-city h3{font-family:var(--serif);font-size:26px;font-weight:600;color:#fff;margin-bottom:18px}
.about-city p{font-size:13.5px;line-height:1.9}

/* ---------- faq ---------- */
.faq{background:#fff}
.faq details{border:1px solid var(--border);border-radius:8px;margin-bottom:12px;background:var(--bg)}
.faq summary{list-style:none;cursor:pointer;padding:16px 48px 16px 52px;font-weight:700;color:var(--ink);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:'Q';position:absolute;left:18px;top:14px;width:24px;height:24px;border-radius:50%;background:var(--navy);color:#fff;font-size:12px;display:grid;place-items:center}
.faq summary::after{content:'+';position:absolute;right:18px;top:12px;font-size:22px;color:var(--navy)}
.faq details[open] summary::after{content:'−'}
.faq details p{padding:0 20px 18px 52px;font-size:14px;position:relative}
.faq details p::before{content:'A';position:absolute;left:18px;top:-2px;width:24px;height:24px;border-radius:50%;background:var(--sky);color:#fff;font-size:12px;display:grid;place-items:center}

/* ---------- cta ---------- */
.cta{position:relative;padding:76px 0;text-align:center;overflow:hidden}
.cta-bg{position:absolute;inset:0;background:
  linear-gradient(180deg,rgba(255,255,255,.72),rgba(255,255,255,.72)),
  url(images/cta.jpg) center/cover no-repeat,
  linear-gradient(135deg,#e9eef3,#cfd9e3)}
.cta-inner{position:relative}
.cta h2{font-family:var(--serif);font-size:30px;font-weight:600}
.cta p{margin-top:12px;font-size:14px}
.cta-buttons{display:flex;justify-content:center;gap:16px;margin-top:34px;flex-wrap:wrap}
.cta-btn{display:inline-flex;align-items:center;gap:12px;min-width:220px;padding:16px 28px;border-radius:8px;font-weight:700;box-shadow:0 8px 24px rgba(0,0,0,.12);transition:.2s;text-align:left}
.cta-btn:hover{transform:translateY(-2px)}
.cta-btn b{font-size:17px;line-height:1.2}
.cta-btn small{display:block;font-size:11px;font-weight:500;margin-top:3px}
.cta-tel{background:#fff;color:var(--navy);border:2px solid var(--navy)}
.cta-tel b{font-size:24px}
.cta-line{background:var(--line);color:#fff}
.cta-form{background:var(--navy);color:#fff}

/* ---------- form ---------- */
.contact-form{background:var(--bg)}
.contact-form form{display:grid;gap:18px;background:#fff;padding:36px;border-radius:12px;box-shadow:0 6px 24px rgba(14,58,108,.06)}
.contact-form label{display:grid;gap:8px;font-size:14px;font-weight:700;color:var(--ink)}
.contact-form .lbl{display:flex;align-items:center;gap:10px}
.contact-form .req{font-size:10px;line-height:1.6;background:#d64545;color:#fff;padding:0 7px;border-radius:3px;font-weight:700}
.contact-form input,.contact-form textarea{width:100%;border:1px solid #cfd9e3;border-radius:6px;padding:12px 14px;font:inherit;font-weight:400;background:#fbfdff}
.contact-form button{justify-self:center;margin-top:8px}

/* ---------- footer ---------- */
.site-footer{background:#fff;border-top:1px solid var(--border);padding:38px 0 30px}
.footer-inner{display:grid;grid-template-columns:1fr 2fr 1fr;align-items:center;gap:24px}
.footer-brand p{font-size:14px;color:var(--ink);margin-top:8px}
.footer-nav{text-align:center;font-size:13px}
.footer-nav a{padding:0 10px;border-left:1px solid var(--border)}
.footer-nav a:first-child{border-left:0}
.footer-nav .sub{margin-top:10px;font-size:12px;color:var(--muted)}
.footer-side{text-align:right}
.social{display:flex;justify-content:flex-end;gap:14px}
.social a{width:24px;height:24px;color:var(--navy)}
.copy{font-size:11px;color:var(--muted);margin-top:14px}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .gnav{gap:18px}
  .tel b{font-size:17px}
  .gnav>a{font-size:12px}
}
@media (max-width:1024px){
  .gnav{position:fixed;top:var(--header-h);left:0;right:0;bottom:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:12px 24px 32px;overflow:auto;display:none;margin:0}
  .gnav.open{display:flex}
  .gnav>a{flex-direction:row;justify-content:space-between;padding:14px 4px;border-bottom:1px solid var(--border);font-size:15px}
  .gnav>a::after{display:none}
  .gnav-cta{flex-direction:column;align-items:stretch;margin:22px 0 0}
  .tel{justify-content:center;grid-template-columns:auto auto;margin:0 auto 6px}
  .menu-btn{display:flex}
  .hero-inner{grid-template-columns:1fr;gap:28px;padding:56px 0}
  .hero-logo{justify-self:start;padding:20px 26px}
  .hero-logo svg{width:100px}
  .hero-logo-text{font-size:44px}
  .features ul{grid-template-columns:repeat(2,1fr)}
  .features li{justify-content:flex-start}
  .service-grid,.works-grid{grid-template-columns:repeat(2,1fr)}
  .works-inner{grid-template-columns:1fr;gap:32px}
  .about{grid-template-columns:1fr 1fr}
  .about-text{grid-column:1/-1;padding:56px 32px}
  .about-photo{min-height:320px}
  .footer-inner{grid-template-columns:1fr;text-align:center}
  .footer-brand .brand{justify-content:center}
  .footer-side{text-align:center}
  .social{justify-content:center}
}
@media (max-width:640px){
  :root{--header-h:64px}
  body{font-size:14px}
  .container{width:min(100% - 32px,1180px)}
  .section{padding:64px 0}
  .header-inner{padding:0 16px}
  .brand-text strong{font-size:20px}
  .logo-mark{width:36px;height:30px}
  .hero{min-height:auto}
  .hero h1{font-size:34px}
  .hero-copy{font-size:14px}
  .hero-logo{width:100%;align-items:center}
  .hero-logo .tagline{align-self:center;text-align:center;font-size:20px}
  .features ul{grid-template-columns:1fr;gap:10px;padding:18px 0}
  .features svg{width:36px;height:36px}
  .sec-head h2{font-size:26px}
  .service-grid,.works-grid{grid-template-columns:1fr}
  .works-lead h2{font-size:30px}
  .about{grid-template-columns:1fr}
  .about-text{padding:48px 20px}
  .about-photo{min-height:260px}
  .about-city{padding:44px 24px}
  .cta h2{font-size:22px}
  .cta-buttons{flex-direction:column;align-items:stretch}
  .cta-btn{justify-content:center}
  .contact-form form{padding:22px 18px}
  .footer-nav a{display:inline-block;margin:3px 0}
}