@import url('https://fonts.googleapis.com/css2?family=Barlow:wght@400;500;600&family=Noto+Sans+JP:wght@400;500;700&family=Zen+Old+Mincho:wght@500;600;700&display=swap');

:root{
  --ink:#1A2733;
  --ink-sub:#5C6B7A;
  --navy:#0A2B4C;
  --blue:#005BAB;      /* 井関農機コーポレートカラー(実測) */
  --cyan:#00B9EF;      /* 現行ロゴのシアン */
  --paper:#FAFCFD;
  --mist:#F1F5F9;
  --line:#DCE4EB;
  --hair:#C4D2DD;
  --serif:"Zen Old Mincho","Hiragino Mincho ProN",serif;
  --sans:"Noto Sans JP","Hiragino Kaku Gothic ProN",sans-serif;
  --din:"Barlow","Helvetica Neue",Arial,sans-serif;
  /* 参考サイト実測のイージング */
  --e-quart:cubic-bezier(.165,.84,.44,1);  /* 大きな動き .8s */
  --e-quint:cubic-bezier(.23,1,.32,1);     /* 色・不透明度 .3s */
  --e-expo:cubic-bezier(.19,1,.22,1);      /* ボタン・影 .45s */
  --maxw:1320px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  padding-top:34px;
  font-family:var(--sans);color:var(--ink);background:var(--paper);
  font-size:15px;line-height:1.9;letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;font-feature-settings:"palt";
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.serif{font-family:var(--serif)}

/* ====== 製図モチーフ: 方眼 ====== */
.grid-bg{
  background-image:
    linear-gradient(rgba(0,91,171,.018) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,91,171,.018) 1px,transparent 1px);
  background-size:48px 48px;
}
.grid-bg-dark{
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:36px 36px;
}

/* ====== 図版フレーム(トンボ+図番) ====== */
.fig{position:relative;background:transparent;overflow:hidden}
.fig img{width:100%}
.fig-cap{
  display:flex;align-items:baseline;gap:12px;margin-top:14px;
}
.fig-cap .t{font-size:12.5px;letter-spacing:.08em;color:var(--ink-sub)}
.fig-cap .s{font-size:11px;color:var(--hair);margin-left:auto;white-space:nowrap}

/* ====== 見出し ====== */
.eyebrow{
  display:flex;align-items:center;gap:12px;font-size:11px;font-weight:600;
  letter-spacing:.26em;color:var(--blue);margin-bottom:20px;
}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--cyan)}
.sec{padding:132px 0}
.sec-tight{padding:96px 0}
.sec-mist{background:var(--mist)}

/* 見出しロックアップ: 英字を主、和文を従に置く(実測: 英字96px / 和文34px ls .4em) */
.sec-lock{text-align:center;margin-bottom:20px}
.sec-lock .en{
  display:block;font-family:var(--din);font-weight:500;
  font-size:clamp(34px,5.6vw,82px);line-height:1.02;letter-spacing:.005em;color:var(--ink);
}
.sec-lock .ja{
  display:block;margin-top:18px;font-family:var(--serif);font-weight:600;
  font-size:clamp(16px,1.7vw,23px);letter-spacing:.4em;text-indent:.4em;line-height:1.6;color:var(--ink);
}
.sec-lead{
  color:var(--ink-sub);font-size:14.5px;max-width:40em;
  margin:0 auto 68px;text-align:center;
}

/* ====== ヒーロースライダー(参考サイト実測: 4.2秒ごと / 800ms / loop) ====== */
.hero-slides{position:absolute;inset:0;overflow:hidden}
.hero-slides .hero-bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transform:scale(1.07);
  transition:opacity .8s var(--e-quart), transform 7.5s linear;
}
.hero-slides .hero-bg.is-active{opacity:1;transform:scale(1)}
.hero-dots{display:flex;gap:11px;margin-top:46px}
.hero-dot{
  width:8px;height:8px;border-radius:50%;border:0;padding:0;cursor:pointer;
  background:rgba(255,255,255,.42);
  transition:background-color .3s var(--e-quint), transform .3s var(--e-quint);
}
.hero-dot:hover{transform:scale(1.14)}
.hero-dot.is-active{background:#fff}

/* 画像ホバー(参考サイト実測: transform .8s easeOutQuart) */
.fig{overflow:hidden}
.fig img{transition:transform .8s var(--e-quart)}
a:hover .fig img,.fig:hover img{transform:scale(1.05)}

/* ====== ごあいさつ ====== */
.message{background:var(--navy);color:#fff;padding:132px 0;position:relative;overflow:hidden}
.msg-video{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:.22;mix-blend-mode:luminosity;pointer-events:none;
}
.message::before{
  content:"";position:absolute;inset:0;opacity:.55;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:48px 48px;
}
.msg-inner{position:relative;max-width:900px;text-align:center}
.sec-lock-w .en,.sec-lock-w .ja{color:#fff}
.msg-text{
  font-size:clamp(15px,1.32vw,18.5px);line-height:2.15;letter-spacing:.07em;
  color:rgba(255,255,255,.88);max-width:34em;margin:0 auto 26px;
}
.msg-photo-note{
  display:inline-block;margin:2px auto 44px;font-size:11.5px;letter-spacing:.1em;
  color:rgba(255,255,255,.52);
}
.msg-photo-note::before{
  content:"";display:block;width:40px;height:1px;background:rgba(255,255,255,.3);margin:0 auto 16px;
}
.msg-sign{margin-top:14px;font-family:var(--serif);font-size:17px;letter-spacing:.16em}
.msg-sign small{
  display:block;font-family:var(--sans);font-size:10.5px;letter-spacing:.24em;
  color:rgba(255,255,255,.5);margin-bottom:11px;
}

/* ====== reveal ====== */
.rv{opacity:0;transform:translateY(16px);transition:opacity .8s cubic-bezier(.22,.61,.36,1),transform .8s cubic-bezier(.22,.61,.36,1)}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

/* ====== header ====== */
.hdr-util{display:none}
.hdr-util .wrap{display:flex;justify-content:space-between;padding-top:7px;padding-bottom:7px}
.hdr-util .r{display:flex;gap:22px;opacity:.88}
.hdr{
  position:fixed;top:calc(34px + 22px);left:0;right:0;z-index:60;background:none;border:none;
  padding:0 40px;transition:top .45s var(--e-expo);
}
body.is-scrolled .hdr{top:calc(34px + 10px)}
.hdr-main{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  max-width:1280px;margin:0 auto;height:76px;padding:0 12px 0 26px;background:#fff;border-radius:44px;
  box-shadow:0 0 5px rgba(0,0,0,.2);
  transition:box-shadow .45s var(--e-expo);
}
body.is-scrolled .hdr-main{box-shadow:0 8px 26px rgba(10,43,76,.16)}
.hdr-logo img{height:27px;width:auto;display:block}
.hdr-right{display:flex;align-items:center;gap:18px}
.hdr-right .btn-fill{border-radius:38px;padding:15px 26px;transition:background-color .45s var(--e-expo),box-shadow .45s var(--e-expo)}
.hdr-right .btn-fill:hover{box-shadow:0 6px 18px rgba(0,185,239,.35)}
.hdr-tel{color:var(--ink-sub);font-size:11px;letter-spacing:.05em;line-height:1.4;text-align:right;white-space:nowrap}
.hdr-tel strong{display:block;font-family:var(--serif);font-size:16px;color:var(--navy);letter-spacing:.06em}
.gnav{display:flex;align-items:center;gap:2px}
.gnav a{
  position:relative;display:block;padding:8px 13px;font-size:13.5px;font-weight:500;letter-spacing:.04em;
  color:rgba(26,39,51,.76);transition:color .3s var(--e-quint);
}
.gnav a:hover{color:var(--navy)}
.gnav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:1.5px;background:var(--cyan);
  transform:scaleX(0);transform-origin:left;transition:transform .4s var(--e-expo);
}
.gnav a:hover::after,.gnav a.is-current::after{transform:scaleX(1)}
.gnav a.is-current{color:var(--navy)}
.btn{
  display:inline-flex;align-items:center;gap:10px;font-size:13.5px;font-weight:700;letter-spacing:.06em;
  padding:13px 26px;border:1px solid var(--navy);transition:.25s;
}
.btn-fill{background:var(--navy);color:#fff}
.btn-fill:hover{background:var(--blue);border-color:var(--blue)}
.hdr .btn-fill{background:var(--cyan);border-color:var(--cyan);color:var(--navy);padding:11px 22px}
.hdr .btn-fill:hover{background:#fff;border-color:#fff;color:var(--navy)}
.btn-ghost{color:var(--navy);background:transparent}
.btn-ghost:hover{background:var(--navy);color:#fff}
.btn .ar{width:16px;height:8px;position:relative}
.btn .ar::before{content:"";position:absolute;left:0;right:0;top:50%;height:1px;background:currentColor}
.btn .ar::after{content:"";position:absolute;right:0;top:50%;width:7px;height:7px;border-top:1px solid currentColor;border-right:1px solid currentColor;transform:translateY(-50%) rotate(45deg) scale(.7)}

/* ====== hero ====== */
.hero{border-bottom:1px solid var(--line);overflow:hidden}
.hero-grid{
  display:grid;grid-template-columns:1.06fr .94fr;gap:64px;align-items:center;
  padding-top:88px;padding-bottom:88px;
}
.hero h1{
  font-family:var(--serif);font-size:clamp(27px,3.05vw,42px);font-weight:600;line-height:1.55;letter-spacing:.04em;margin-bottom:26px;
}
.hero h1 .accent{white-space:nowrap}
.hero h1 .accent{color:var(--blue)}
.hero-lead{font-size:14.5px;color:var(--ink-sub);max-width:30em;margin-bottom:38px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-fig{max-width:430px;margin-left:auto}
.hero-fig .ph{position:relative;background:linear-gradient(175deg,#fff 0%,#F2F6FA 100%);padding:26px 26px 14px}
.hero-fig img{max-height:400px;width:auto;margin:0 auto}
.callout{
  position:absolute;font-size:10.5px;letter-spacing:.1em;color:var(--navy);
  padding-bottom:3px;border-bottom:1px solid var(--hair);white-space:nowrap;
}
.callout::after{content:"";position:absolute;bottom:-3px;width:6px;height:6px;border-radius:50%;background:var(--cyan)}
.callout.c1{top:15%;left:-12px}.callout.c1::after{right:-10px}
.callout.c2{bottom:24%;right:10px}.callout.c2::after{left:-10px}

/* ====== 実測データ帯 ====== */
.stats{border-top:1px solid var(--line);background:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{
  padding:34px 28px;border-right:1px solid var(--line);
}
.stat:first-child{border-left:1px solid var(--line)}
.stat .k{font-size:11px;letter-spacing:.2em;color:var(--ink-sub);margin-bottom:8px}
.stat .v{font-family:var(--serif);font-size:31px;font-weight:600;line-height:1.2;letter-spacing:.03em}
.stat .v small{font-size:14px;margin-left:3px;color:var(--ink-sub)}

/* ====== 事業部 index ====== */
.biz-row{
  display:grid;grid-template-columns:1fr 600px;gap:76px;align-items:center;
  padding:104px 0;position:relative;
}
.biz-row+.biz-row{border-top:1px solid var(--line)}
.biz-row.rev{grid-template-columns:600px 1fr}
.biz-row.rev .fig{order:-1}
.biz-ghost{
  position:absolute;top:40px;left:-14px;z-index:0;pointer-events:none;
  font-family:var(--serif);font-size:138px;line-height:1;color:transparent;
  -webkit-text-stroke:1px var(--hair);letter-spacing:.02em;opacity:.42;
}
.biz-row.rev .biz-ghost{left:auto;right:-10px}
.biz-body{position:relative;z-index:1;padding-left:52px}
.biz-row.rev .biz-body{padding-left:0;padding-right:52px}
@media(max-width:900px){
  .biz-row,.biz-row.rev{grid-template-columns:1fr;gap:32px;padding:64px 0}
  .biz-row.rev .fig{order:0}
  .biz-body,.biz-row.rev .biz-body{padding:0}
  .biz-ghost{font-size:88px;top:36px}
}
.biz-body h3{font-family:var(--serif);font-size:30px;font-weight:600;letter-spacing:.08em;margin-bottom:4px}
.biz-body .en{font-size:10.5px;letter-spacing:.3em;color:var(--blue);margin-bottom:18px}
.biz-body .catch{font-size:16px;font-weight:700;margin-bottom:12px}
.biz-body p{font-size:14px;color:var(--ink-sub);margin-bottom:24px;max-width:34em}
.tags{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:26px}
.tags span{font-size:11px;letter-spacing:.05em;border:1px solid var(--hair);padding:4px 12px;color:var(--ink-sub);background:#fff}
.link-line{
  display:inline-flex;align-items:center;gap:12px;font-size:13.5px;font-weight:700;color:var(--blue);letter-spacing:.06em;
}
.link-line .ar{width:34px;height:8px;position:relative;transition:width .3s}
.link-line .ar::before{content:"";position:absolute;inset:50% 0 auto 0;height:1px;background:currentColor}
.link-line .ar::after{content:"";position:absolute;right:0;top:50%;width:7px;height:7px;border-top:1px solid currentColor;border-right:1px solid currentColor;transform:translateY(-50%) rotate(45deg) scale(.72)}
.link-line:hover .ar{width:48px}

/* ====== 線画アイコン ====== */
.ic{width:44px;height:44px;stroke:var(--navy);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.art{
  display:flex;align-items:center;justify-content:center;aspect-ratio:4/3;background:#fff;
  background-image:linear-gradient(rgba(0,91,171,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(0,91,171,.05) 1px,transparent 1px);
  background-size:22px 22px;
}
.art .ic{width:56px;height:56px;stroke-width:1.3}

/* ====== カード ====== */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);transition:.3s;position:relative}
.card:hover{border-color:var(--blue);transform:translateY(-3px);box-shadow:0 14px 34px -18px rgba(10,43,76,.25)}
.card-body{padding:20px 22px 22px}
.card-body h3{font-size:15px;font-weight:700;letter-spacing:.04em;margin-bottom:7px}
.card-body p{font-size:12.5px;color:var(--ink-sub);line-height:1.8}

/* ====== 動画掲載枠 ====== */
.player{
  position:relative;aspect-ratio:16/9;background-color:#0A2B4C;
  display:flex;align-items:center;justify-content:center;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(160deg,#14406B,#0A2B4C);
  background-size:24px 24px,24px 24px,100% 100%;
}
.player .pb{
  width:58px;height:58px;border:1px solid rgba(255,255,255,.65);border-radius:50%;
  display:flex;align-items:center;justify-content:center;
}
.player .pb::after{content:"";margin-left:4px;border-left:14px solid #fff;border-top:9px solid transparent;border-bottom:9px solid transparent}
.player .lb{position:absolute;left:14px;bottom:11px;font-size:10.5px;letter-spacing:.14em;color:rgba(255,255,255,.75)}

/* ====== 帯 ====== */
.band{background:var(--navy);color:#fff;padding:56px 0}
.band-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.band h3{font-family:var(--serif);font-size:24px;font-weight:600;letter-spacing:.06em;margin-bottom:8px}
.band p{font-size:13px;opacity:.78}
.band-btns{display:flex;gap:12px;flex-wrap:wrap}
.band .btn{border-color:rgba(255,255,255,.5);color:#fff}
.band .btn:hover{background:#fff;color:var(--navy);border-color:#fff}

/* ====== news ====== */
.news-list{border-top:1px solid var(--line)}
.news-item{
  display:grid;grid-template-columns:120px 110px 1fr 40px;gap:20px;align-items:center;
  padding:21px 4px;border-bottom:1px solid var(--line);font-size:14px;transition:background .25s;
}
.news-item:hover{background:#fff}
.news-item time{font-family:var(--serif);font-size:13.5px;letter-spacing:.1em;color:var(--ink-sub);font-feature-settings:"tnum"}
.news-cat{font-size:10.5px;text-align:center;padding:4px 0;border:1px solid var(--blue);color:var(--blue);letter-spacing:.08em}
.news-cat.life{border-color:var(--cyan);color:#0088b8}
.news-cat.hoken{border-color:var(--navy);color:var(--navy)}
.news-item .gl{justify-self:end;width:22px;height:8px;position:relative;color:var(--hair)}
.news-item .gl::before{content:"";position:absolute;inset:50% 0 auto 0;height:1px;background:currentColor}
.news-item .gl::after{content:"";position:absolute;right:0;top:50%;width:6px;height:6px;border-top:1px solid currentColor;border-right:1px solid currentColor;transform:translateY(-50%) rotate(45deg) scale(.72)}
.news-item:hover .gl{color:var(--blue)}

/* ====== footer ====== */
.fnav{background:#fff;border-top:1px solid var(--line);padding:64px 0 56px}
.fnav-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:40px}
.fnav .brand img{height:30px;margin-bottom:18px}
.fnav .brand p{font-size:12px;color:var(--ink-sub);line-height:2}
.fnav h4{font-size:12px;letter-spacing:.18em;color:var(--blue);margin-bottom:16px;font-weight:600}
.fnav ul{list-style:none;font-size:13px}
.fnav li{margin-bottom:10px}
.fnav a{color:var(--ink-sub);transition:color .2s}
.fnav a:hover{color:var(--blue)}
.ftr{background:var(--navy);color:#fff;padding:22px 0;font-size:11.5px;letter-spacing:.06em}
.ftr .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;opacity:.8}

/* ====== 下層 ====== */
.page-head{background:var(--navy);color:#fff;padding:152px 0 66px;position:relative;overflow:hidden}
.page-head .en{font-size:11px;letter-spacing:.34em;opacity:.65;display:block;margin-bottom:14px}
.page-head h1{font-family:var(--serif);font-size:38px;font-weight:600;letter-spacing:.1em}
.page-head .ghost{
  position:absolute;right:-8px;bottom:-34px;font-family:var(--serif);font-size:150px;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.14);letter-spacing:.04em;white-space:nowrap;
}
.bread{font-size:12px;color:var(--ink-sub);padding:14px 0;border-bottom:1px solid var(--line);letter-spacing:.04em}
.bread a:hover{color:var(--blue)}
.lead-box{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;padding:78px 0}
.lead-box h2{font-family:var(--serif);font-size:29px;font-weight:600;line-height:1.7;letter-spacing:.06em;margin-bottom:20px}
.lead-box p{color:var(--ink-sub);font-size:14px}

/* ====== 表 ====== */
.tbl-scroll{overflow-x:auto;background:#fff;border:1px solid var(--line)}
.tbl{width:100%;border-collapse:collapse;font-size:13px;font-feature-settings:"tnum"}
.tbl th{
  background:var(--navy);color:#fff;font-weight:500;padding:12px 14px;text-align:left;
  font-size:12px;letter-spacing:.08em;white-space:nowrap;
}
.tbl td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tbody tr:last-child td{border-bottom:none}
.tbl tbody tr:hover{background:var(--mist)}
.tbl .model{font-weight:700;letter-spacing:.04em;white-space:nowrap}
.chip{
  display:inline-block;font-size:10.5px;font-weight:700;letter-spacing:.08em;color:var(--blue);
  border:1px solid var(--blue);padding:3px 12px;transition:.2s;white-space:nowrap;
}
.chip:hover{background:var(--blue);color:#fff}
.note{font-size:12px;color:var(--ink-sub);margin-top:14px;line-height:1.9}
.note::before{content:"※ "}

/* ====== 2カラム・フロー ====== */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.feature{padding-left:18px;border-left:2px solid var(--cyan);margin-bottom:26px}
.feature h3{font-size:16.5px;font-weight:700;letter-spacing:.04em;margin-bottom:8px}
.feature p{font-size:13.5px;color:var(--ink-sub)}
.partner-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.partner{
  border:1px solid var(--line);background:#fff;padding:24px 14px;text-align:center;
  font-size:13.5px;font-weight:700;letter-spacing:.04em;transition:.25s;
}
.partner:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
.partner small{display:block;font-size:10.5px;color:var(--ink-sub);margin-top:5px;font-weight:400;letter-spacing:.1em}
.contact-band{
  background:#fff;border:1px solid var(--line);padding:48px 40px;text-align:center;position:relative;
}
.contact-band::before,.contact-band::after{content:"";position:absolute;width:15px;height:15px}
.contact-band::before{top:-1px;left:-1px;border-top:2px solid var(--blue);border-left:2px solid var(--blue)}
.contact-band::after{bottom:-1px;right:-1px;border-bottom:2px solid var(--blue);border-right:2px solid var(--blue)}
.contact-band h3{font-family:var(--serif);font-size:21px;font-weight:600;letter-spacing:.08em;margin-bottom:14px}
.contact-band .tel{font-family:var(--serif);font-size:38px;font-weight:600;color:var(--navy);letter-spacing:.06em;line-height:1.3}
.contact-band p{font-size:12.5px;color:var(--ink-sub);margin-top:6px}

/* ====== 図解(保険) ====== */
.guide-svg{width:100%;height:auto;background:#fff;border:1px solid var(--line);display:block}
.win-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.win{border:1px solid var(--line);background:#fff;padding:30px;position:relative}
.win-tag{display:inline-block;font-size:10.5px;font-weight:700;letter-spacing:.16em;padding:5px 14px;margin-bottom:16px;color:#fff}
.win-day .win-tag{background:var(--blue)}
.win-night .win-tag{background:var(--navy)}
.win h3{font-family:var(--serif);font-size:19px;font-weight:600;letter-spacing:.05em;margin-bottom:10px}
.win ul{list-style:none;font-size:13.5px;color:var(--ink-sub);margin:14px 0 20px}
.win li{padding-left:18px;position:relative;margin-bottom:7px}
.win li::before{content:"";position:absolute;left:0;top:12px;width:8px;height:1.5px;background:var(--cyan)}
details.policy{border:1px solid var(--line);background:#fff;margin-top:14px}
details.policy summary{padding:18px 24px;font-weight:700;font-size:14.5px;cursor:pointer;list-style:none;letter-spacing:.04em}
details.policy summary::-webkit-details-marker{display:none}
details.policy summary::after{content:"＋";float:right;color:var(--blue);font-weight:400}
details.policy[open] summary::after{content:"−"}
details.policy .inner{padding:0 24px 22px;font-size:13px;color:var(--ink-sub);line-height:2}

/* ====== プロトタイプ注記 ====== */
.proto-note{
  position:fixed;top:0;left:0;right:0;z-index:70;height:34px;display:flex;align-items:center;justify-content:center;
  background:var(--navy);color:rgba(255,255,255,.72);
  font-size:11px;text-align:center;letter-spacing:.05em;padding:0 16px;
}

/* ====== responsive ====== */
@media(max-width:900px){
  .hdr{padding:0 16px;top:calc(34px + 12px)}
  .hdr-main{height:64px;padding:0 10px 0 16px}
}
@media(max-width:960px){
  .hero-grid,.lead-box,.two-col{grid-template-columns:1fr;gap:36px}
  .hero{padding-top:0}
  .hero-grid{padding-top:56px;padding-bottom:56px}
  .hero h1{font-size:33px}
  .hero-fig{margin:0 auto}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat{border:none;border-top:1px solid var(--line)}
  .stat:first-child{border-left:none}
  .biz-row{grid-template-columns:1fr;gap:22px;padding:48px 0}
  .biz-ghost{font-size:60px;padding:0}
  .cards{grid-template-columns:1fr 1fr}
  .fnav-grid{grid-template-columns:1fr 1fr}
  .partner-grid{grid-template-columns:1fr 1fr}
  .win-grid{grid-template-columns:1fr}
  .gnav{overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch}
  .gnav a{padding:8px 11px;font-size:12.5px}
  .hdr-main{flex-wrap:wrap;gap:10px;padding-bottom:0}
  .hdr-main .btn{display:none}
  .gnav{width:100%;border-top:1px solid rgba(255,255,255,.14);margin-top:4px}
  .hdr-right{gap:12px}
  .hdr-tel{display:none}
  .sec{padding:60px 0}
  .sec-head{flex-direction:column;gap:8px}
  .sec-head h2{font-size:25px}
  .news-item{grid-template-columns:96px 92px 1fr;gap:10px}
  .news-item .gl{display:none}
  .page-head{padding:118px 0 48px}
  .page-head h1{font-size:28px}
  .page-head .ghost{font-size:90px;bottom:-20px}
}
@media(max-width:560px){
  .cards,.fnav-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat .v{font-size:24px}
  .hero h1{font-size:27px}
  .hdr-logo img{height:26px}
  .news-item{grid-template-columns:1fr;gap:4px;padding:16px 2px}
  .news-cat{display:inline-block;padding:2px 12px;width:fit-content}
  .contact-band{padding:34px 20px}
  .contact-band .tel{font-size:28px}
}

/* ====== 写真ヒーロー(ホシザキ型) ====== */
.hero-p{position:relative;overflow:hidden;color:#fff}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(6,24,42,.86) 0%,rgba(6,24,42,.62) 46%,rgba(6,24,42,.28) 100%)}
.hero-p-inner{position:relative;padding-top:120px;padding-bottom:170px}
.eyebrow-w{color:#8FD4F0}
.eyebrow-w::before{background:var(--cyan)}
.hero-p h1{
  font-family:var(--serif);font-size:clamp(30px,3.9vw,54px);font-weight:600;
  line-height:1.6;letter-spacing:.06em;text-shadow:0 2px 30px rgba(6,24,42,.4);
}
.hero-p h1 .nw{white-space:nowrap}
.hero-p-lead{margin-top:24px;font-size:14.5px;line-height:2.1;color:rgba(255,255,255,.88);max-width:34em}
.hero-p-cta{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap}
.btn-w{border-color:rgba(255,255,255,.65);color:#fff}
.btn-w:hover{background:#fff;color:var(--navy);border-color:#fff}

/* ====== 事業部タイル(サタケ型) ====== */
.tile-wrap{position:relative;z-index:5;margin-top:-92px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tile{
  background:#fff;border:1px solid var(--line);border-top:3px solid var(--blue);
  padding:26px 28px 24px;display:flex;flex-direction:column;gap:5px;
  box-shadow:0 22px 44px -26px rgba(10,43,76,.4);transition:.3s;
}
.tile:hover{transform:translateY(-4px);border-top-color:var(--cyan);box-shadow:0 26px 50px -24px rgba(10,43,76,.45)}
.tile .t-no{font-family:var(--serif);font-size:11.5px;letter-spacing:.24em;color:var(--blue)}
.tile .t-name{font-family:var(--serif);font-size:21px;font-weight:600;letter-spacing:.06em;color:var(--ink)}
.tile .t-en{font-size:10px;letter-spacing:.26em;color:var(--ink-sub);margin-bottom:10px}
.tile .t-desc{font-size:12.5px;color:var(--ink-sub);line-height:1.8;margin-bottom:14px}
.tile .link-line{margin-top:auto}

/* ====== 写真入りバンド・写真fig ====== */
.band-photo{
  background-image:linear-gradient(rgba(10,43,76,.93),rgba(10,43,76,.93)),url("img/px-grain.jpg");
  background-size:cover;background-position:center;
}
.fig-photo img{aspect-ratio:16/10;object-fit:cover;width:100%}
.fig-photo.tall img{aspect-ratio:4/3}

@media(max-width:900px){
  .hdr{padding:0 16px;top:calc(34px + 12px)}
  .hdr-main{height:64px;padding:0 10px 0 16px}
}
@media(max-width:960px){
  .hero-p-inner{padding-top:72px;padding-bottom:150px}
  .tile-wrap{grid-template-columns:1fr;margin-top:-70px}
}
@media(max-width:560px){
  .hero-p h1{font-size:24.5px;letter-spacing:.02em}
  .hero-p-inner{padding-top:56px;padding-bottom:130px}
  .proto-note{padding:6px 14px}
}

/* ====== ダミー写真カード・モザイク ====== */
.card .cimg{aspect-ratio:16/10;object-fit:cover;width:100%;border-bottom:1px solid var(--line)}
.mosaic{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:#fff}
.mosaic img{aspect-ratio:4/3;object-fit:cover;width:100%;display:block}

/* 下層: 紺ヘッダーとページヘッドの境界を明示 */
.page-head{border-top:1px solid rgba(255,255,255,.14)}