/* ===== 株式会社惣兵衛 コーポレートサイト ===== 白×深緑 清潔ミニマル */
:root{
  --green:#1c3a2c; --green-soft:#2f5444; --gold:#a98c4f; --gold-soft:#cbb583;
  --ink:#2c2c28; --ink-soft:#6f6a60; --bg:#ffffff; --cream:#f7f5ee; --line:#e6e2d6;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Zen Kaku Gothic New",sans-serif;color:var(--ink);background:var(--bg);line-height:1.95;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:1120px;margin:0 auto;padding:0 28px}
.wrap.narrow{max-width:820px}
.center{text-align:center}

/* 共通見出し */
.label{font-family:"Cormorant Garamond",serif;font-style:italic;font-size:1.2rem;letter-spacing:.14em;color:var(--gold);display:block;margin-bottom:10px}
.title{font-family:"Shippori Mincho",serif;font-weight:700;font-size:2rem;color:var(--green);line-height:1.55;letter-spacing:.02em}
.title.left{text-align:left}
.rule{width:52px;height:1px;background:var(--gold);margin:18px auto 36px}
.rule.left{margin-left:0}
.lead{font-family:"Shippori Mincho",serif;font-size:1.12rem;color:var(--green-soft);line-height:2;margin-bottom:22px}
.body{color:var(--ink-soft);font-size:.98rem;line-height:2.1}
section{padding:96px 0}

/* HEADER */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-family:"Shippori Mincho",serif;font-weight:800;font-size:1.5rem;color:var(--green);text-decoration:none;letter-spacing:.08em;display:flex;align-items:baseline;gap:9px}
.logo small{font-family:"Cormorant Garamond",serif;font-style:italic;font-size:.62rem;letter-spacing:.2em;color:var(--ink-soft)}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{color:var(--ink);text-decoration:none;font-size:.88rem;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--gold)}
.nav-cta{background:var(--green);color:#fff!important;padding:9px 20px;border-radius:30px;font-size:.84rem!important}
.nav-cta:hover{background:var(--green-soft)}
.nav-en{font-family:"Cormorant Garamond",serif;font-style:italic;letter-spacing:.08em;color:var(--gold)!important;font-weight:600}

/* ハンバーガー */
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:0;border:none;background:transparent;cursor:pointer;z-index:60}
.nav-toggle span{display:block;width:26px;height:2px;background:var(--green);border-radius:2px;transition:transform .3s,opacity .2s;margin:0 auto}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* フッターSNS */
.foot-sns{display:flex;flex-direction:column;gap:10px}
.foot-sns-name{font-family:"Shippori Mincho",serif;font-size:.96rem;color:var(--gold-soft);font-weight:700;letter-spacing:.04em}
.sns-row{display:flex;flex-wrap:wrap;gap:9px}
.sns-row a{font-size:.82rem;color:rgba(255,255,255,.85);text-decoration:none;border:1px solid rgba(255,255,255,.28);border-radius:30px;padding:6px 15px;transition:border-color .2s,color .2s}
.sns-row a:hover{color:var(--gold-soft);border-color:var(--gold-soft)}

/* HERO */
.hero{position:relative;height:min(86vh,720px);display:flex;align-items:center;overflow:hidden}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(100deg,rgba(20,40,30,.78) 0%,rgba(20,40,30,.5) 55%,rgba(20,40,30,.25) 100%)}
.hero-inner{position:relative;z-index:2;max-width:1120px;margin:0 auto;padding:0 36px;color:#fff;width:100%}
.hero-eyebrow{font-family:"Cormorant Garamond",serif;font-style:italic;letter-spacing:.18em;font-size:1.05rem;color:var(--gold-soft);margin-bottom:18px}
.hero-h{font-family:"Shippori Mincho",serif;font-weight:800;font-size:clamp(2.2rem,5vw,3.7rem);line-height:1.5;letter-spacing:.04em;margin-bottom:24px;text-shadow:0 2px 18px rgba(0,0,0,.25)}
.hero-lead{font-family:"Shippori Mincho",serif;font-size:clamp(1rem,1.7vw,1.25rem);line-height:2;margin-bottom:34px;color:#f3f1e7}
.hero-btn{display:inline-block;background:#fff;color:var(--green);text-decoration:none;font-weight:700;padding:14px 38px;border-radius:40px;font-size:.96rem;letter-spacing:.04em;transition:transform .2s,box-shadow .2s;box-shadow:0 10px 26px rgba(0,0,0,.2)}
.hero-btn:hover{transform:translateY(-2px)}

/* PURPOSE */
.purpose{background:var(--cream)}
.purpose .body{margin-top:8px}
.purpose-brush{width:96px;height:auto;margin:6px auto 18px;display:block;mix-blend-mode:multiply}
.credo{font-family:"Shippori Mincho",serif;font-size:1.25rem;color:var(--green);margin-top:34px;line-height:1.9}
.credo em{display:block;font-family:"Cormorant Garamond",serif;font-style:italic;color:var(--gold);font-size:1.7rem;letter-spacing:.04em;margin-bottom:6px}

/* BUSINESS */
.biz-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:48px;text-align:left}
.biz-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;text-decoration:none;color:inherit;transition:transform .25s,box-shadow .25s}
.biz-card:hover{transform:translateY(-5px);box-shadow:0 16px 38px rgba(28,58,44,.14)}
.biz-img{aspect-ratio:16/10;overflow:hidden}
.biz-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.biz-img img.center-thumb{object-position:center 22%}
.biz-card:hover .biz-img img{transform:scale(1.05)}
.biz-body{padding:26px 26px 30px}
.biz-body h3{font-family:"Shippori Mincho",serif;font-weight:700;font-size:1.3rem;color:var(--green);margin-bottom:6px}
.biz-tag{display:inline-block;font-size:.78rem;color:var(--gold);font-weight:700;letter-spacing:.06em;margin-bottom:12px}
.biz-body p{font-size:.92rem;color:var(--ink-soft);line-height:1.9;margin-bottom:14px}
.biz-link{font-size:.86rem;font-weight:700;color:var(--green)}
.biz-card:hover .biz-link{color:var(--gold)}

/* PROFILE */
.profile{background:var(--cream)}
.prof-grid{display:grid;grid-template-columns:0.8fr 1.2fr;gap:54px;align-items:start}
.prof-photo img{width:100%;border-radius:14px;box-shadow:0 14px 34px rgba(28,58,44,.16)}
.prof-books{margin-top:22px;border-radius:0!important;box-shadow:none!important}
.prof-books-cap{text-align:center;font-size:.8rem;color:var(--ink-soft);margin-top:8px;letter-spacing:.04em}
.prof-body p{color:var(--ink-soft);font-size:.98rem;line-height:2.05;margin-bottom:16px}
.prof-roles{font-size:.92rem!important;color:var(--gold)!important;font-weight:700;line-height:1.7;margin-bottom:4px}
.prof-catch{font-family:"Shippori Mincho",serif!important;font-size:1.3rem!important;font-weight:700;color:var(--green)!important;line-height:1.6;margin-bottom:18px!important}
.prof-awards{font-size:.86rem!important;color:var(--green)!important;font-weight:700;border-left:3px solid var(--gold);padding-left:14px}
.prof-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.prof-links a{font-size:.88rem;font-weight:700;color:var(--green);text-decoration:none;border:1px solid var(--line);border-radius:30px;padding:9px 20px;transition:border-color .2s,color .2s}
.prof-links a:hover{color:var(--gold);border-color:var(--gold)}

/* HISTORY */
.timeline{list-style:none;max-width:720px;margin:8px auto 0;border-left:2px solid var(--line)}
.timeline li{position:relative;padding:0 0 30px 32px}
.timeline li::before{content:"";position:absolute;left:-7px;top:7px;width:12px;height:12px;border-radius:50%;background:var(--gold);border:2px solid #fff}
.timeline .year{display:block;font-family:"Cormorant Garamond",serif;font-size:1.15rem;font-weight:600;color:var(--green);letter-spacing:.04em}
.timeline .ev{display:block;font-size:.94rem;color:var(--ink-soft);line-height:1.85}

/* COMPANY */
.company-table{width:100%;max-width:760px;margin:0 auto;border-collapse:collapse}
.company-table th,.company-table td{text-align:left;padding:16px 18px;border-bottom:1px solid var(--line);font-size:.94rem;vertical-align:top}
.company-table th{width:130px;color:var(--green);font-weight:700;white-space:nowrap}
.company-table a{color:var(--gold);font-weight:700;text-decoration:none}
.company-table a:hover{text-decoration:underline}

/* CONTACT */
.contact{background:var(--cream)}
.cform{max-width:600px;margin:34px auto 0;text-align:left}
.cform .row{margin-bottom:20px;display:flex;flex-direction:column}
.cform label{font-weight:700;font-size:.9rem;margin-bottom:7px;color:var(--green)}
.req{background:var(--green);color:#fff;font-size:.68rem;padding:2px 8px;border-radius:4px;margin-left:8px;font-weight:500}
.cform input,.cform select,.cform textarea{font-family:inherit;font-size:1rem;padding:13px 15px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--ink)}
.cform textarea{min-height:130px;resize:vertical}
.cform input:focus,.cform select:focus,.cform textarea:focus{outline:none;border-color:var(--gold)}
.hp{position:absolute;left:-9999px}
.submit{display:block;width:100%;background:var(--green);color:#fff;border:none;padding:16px;border-radius:40px;font-size:1.02rem;font-weight:700;cursor:pointer;margin-top:8px;transition:background .2s}
.submit:hover{background:var(--green-soft)}

/* FLOATING BANNER */
.float-banner{position:fixed;right:22px;bottom:22px;z-index:80;width:380px;max-width:calc(100vw - 32px);border-radius:14px;overflow:hidden;box-shadow:0 14px 40px rgba(28,58,44,.34);animation:fbIn .5s ease both;transition:transform .25s,box-shadow .25s}
.float-banner:hover{transform:translateY(-3px);box-shadow:0 20px 50px rgba(28,58,44,.42)}
.float-banner a{display:block}
.float-banner img{width:100%;display:block}
.fb-close{position:absolute;top:8px;right:8px;z-index:2;width:30px;height:30px;border-radius:50%;border:none;background:rgba(28,58,44,.78);color:#fff;font-size:18px;line-height:30px;text-align:center;cursor:pointer;transition:background .2s}
.fb-close:hover{background:rgba(28,58,44,.95)}
@keyframes fbIn{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}

/* FOOTER */
footer{background:var(--green);color:#fff}
.foot{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:24px;padding-top:54px;padding-bottom:30px}
.foot-logo{font-family:"Shippori Mincho",serif;font-weight:800;font-size:1.5rem;letter-spacing:.08em}
.foot-brand p{font-size:.86rem;color:rgba(255,255,255,.7);margin-top:8px}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{color:rgba(255,255,255,.85);text-decoration:none;font-size:.88rem}
.foot-links a:hover{color:var(--gold-soft)}
.copy{text-align:center;font-size:.76rem;color:rgba(255,255,255,.55);padding:18px 0 26px;border-top:1px solid rgba(255,255,255,.12)}

/* RESPONSIVE */
@media(max-width:820px){
  section{padding:64px 0}
  .nav-toggle{display:flex}
  .nav-links{position:absolute;top:68px;left:0;right:0;flex-direction:column;gap:0;align-items:stretch;background:rgba(255,255,255,.98);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);box-shadow:0 8px 24px rgba(28,58,44,.12);padding:8px 0;max-height:0;overflow:hidden;opacity:0;pointer-events:none;transition:max-height .32s ease,opacity .22s ease}
  .nav-links.open{max-height:80vh;opacity:1;pointer-events:auto}
  .nav-links a{display:block;padding:14px 24px;font-size:1rem;text-align:center}
  .nav-cta{background:transparent!important;color:var(--green)!important;border-radius:0;padding:14px 24px!important;font-size:1rem!important;font-weight:700}
  .title{font-size:1.6rem}
  .biz-grid{grid-template-columns:1fr;gap:22px}
  .prof-grid{grid-template-columns:1fr;gap:28px}
  .prof-photo{max-width:360px;margin:0 auto}
  .hero{height:auto;padding:120px 0 90px}
  .foot{flex-direction:column}
  .float-banner{width:300px;right:12px;bottom:12px}
  .fb-close{width:34px;height:34px;line-height:34px;font-size:20px}
}