/* =========================================================
   N Field Co., Ltd. — corporate site
   Shares the NOOK CAFE look (rounded cards, serif English
   headings, soft backgrounds) with the N Field brand colours.
   ========================================================= */
:root{
  --brand:#1d2088;      /* logo blue */
  --brand-d:#14166a;
  --navy:#16244a;       /* deep text / dark sections */
  --red:#c30e23;        /* logo accent (use sparingly) */
  --sky:#eef2fb;        /* light section bg */
  --paper:#f8f9fc;      /* page bg */
  --line:#dde3f0;
  --ink:#1f2433;
  --muted:#5e6577;
  --white:#fff;
  --radius:18px;
  --shadow:0 10px 30px rgba(22,36,74,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Zen Kaku Gothic New","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;color:var(--ink);background:var(--paper);line-height:1.9;letter-spacing:.04em;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.en{font-family:"Cormorant Garamond",serif;letter-spacing:.1em}
.wrap{width:min(1120px,100% - 40px);margin-inline:auto}
.narrow{width:min(860px,100% - 40px);margin-inline:auto}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;z-index:100;background:#fff;padding:8px 14px}

/* ---------- header ---------- */
.site-header{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .3s,box-shadow .3s}
.site-header.scrolled,.site-header.solid{background:rgba(255,255,255,.95);backdrop-filter:blur(8px);box-shadow:0 1px 0 rgba(0,0,0,.06)}
.hd{display:flex;align-items:center;justify-content:space-between;height:76px;gap:20px}
.brand img{height:30px;width:auto}
.brand .w{display:none}
.site-header.hero-mode:not(.scrolled) .brand .b{display:none}
.site-header.hero-mode:not(.scrolled) .brand .w{display:block}
.gnav ul{display:flex;align-items:center;gap:26px;list-style:none;font-size:.9rem}
.gnav a{position:relative;padding:4px 0;display:inline-flex;flex-direction:column;align-items:center;line-height:1.3}
.gnav a small{font-family:"Cormorant Garamond",serif;font-size:.72rem;letter-spacing:.14em;color:var(--brand);opacity:.8}
.gnav a::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:1px;background:currentColor;transition:width .3s}
.gnav a:hover::after,.gnav a[aria-current="page"]::after{width:100%}
.site-header.hero-mode:not(.scrolled) .gnav a{color:#fff}
.site-header.hero-mode:not(.scrolled) .gnav a small{color:#cfd6ff}
.gnav a.cafe{padding:6px 14px;border:1px solid currentColor;border-radius:999px;flex-direction:row;gap:6px}
.gnav a.cafe::after{display:none}
.gnav a.cta{background:var(--brand);color:#fff!important;padding:10px 20px;border-radius:999px;flex-direction:row}
.gnav a.cta::after{display:none}
.gnav a.cta:hover{background:var(--brand-d)}
.menu-btn{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;position:relative;z-index:60}
.menu-btn span{display:block;width:24px;height:2px;margin:5px auto;background:var(--navy);transition:.3s}
.site-header.hero-mode:not(.scrolled) .menu-btn span{background:#fff}

/* ---------- hero (top) ---------- */
.hero{position:relative;min-height:100svh;display:grid;align-items:center;color:#fff;overflow:hidden}
.hero .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.06);animation:zoom 14s ease-out forwards}
@keyframes zoom{to{transform:scale(1)}}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(14,18,70,.85) 0%,rgba(14,18,70,.55) 55%,rgba(14,18,70,.25) 100%)}
.hero-in{position:relative;z-index:1;padding-top:76px}
.hero .kicker{font-size:.9rem;letter-spacing:.35em;opacity:.85}
.hero h1{font-family:"Cormorant Garamond",serif;font-weight:500;font-size:clamp(2.6rem,7vw,5.2rem);line-height:1.1;letter-spacing:.04em;margin:12px 0 26px}
.hero .lead{font-size:clamp(1rem,2vw,1.2rem);line-height:2.1}
.three-n{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.three-n li{list-style:none;display:flex;align-items:baseline;gap:8px;padding:10px 20px;border:1px solid rgba(255,255,255,.5);border-radius:999px;backdrop-filter:blur(4px)}
.three-n b{font-family:"Cormorant Garamond",serif;font-size:1.35rem;font-weight:600}
.three-n b::first-letter{color:#ff6b7c}
.three-n span{font-size:.85rem;opacity:.9}
.scroll{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:1;font-size:.72rem;letter-spacing:.3em}
.scroll::after{content:"";display:block;width:1px;height:46px;margin:8px auto 0;background:#fff;animation:sc 2s infinite}
@keyframes sc{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- page hero (sub pages) ---------- */
.page-hero{position:relative;padding:170px 0 80px;color:#fff;overflow:hidden}
.page-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(14,18,70,.88),rgba(14,18,70,.5))}
.page-hero .wrap{position:relative;z-index:1}
.page-hero .en{display:block;font-size:clamp(2.4rem,6vw,3.8rem);line-height:1.1;font-weight:500}
.page-hero h1{font-size:1rem;font-weight:500;letter-spacing:.25em;margin-top:10px;opacity:.9}
.crumb{font-size:.78rem;margin-top:26px;opacity:.75}
.crumb a{text-decoration:underline;text-underline-offset:3px}

/* ---------- sections ---------- */
section{padding:clamp(80px,10vw,120px) 0}
.bg-white{background:var(--white)}
.bg-sky{background:var(--sky)}
.bg-navy{background:var(--navy);color:#fff}
.sec-ttl{text-align:center;margin-bottom:54px}
.sec-ttl .en{display:block;font-size:clamp(2.2rem,5vw,3.2rem);color:var(--brand);line-height:1.1;font-weight:500}
.sec-ttl .ja{display:block;font-size:.86rem;color:var(--muted);margin-top:10px;letter-spacing:.25em}
.bg-navy .sec-ttl .en{color:#fff}.bg-navy .sec-ttl .ja{color:#b9c2e6}
.sec-ttl.left{text-align:left}
.sec-lead{text-align:center;color:var(--muted);max-width:760px;margin:-24px auto 50px}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s ease,transform .9s ease}
.reveal.in{opacity:1;transform:none}

.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,80px);align-items:center}
.split.rev>:first-child{order:2}
.split .ph img{border-radius:var(--radius);width:100%;aspect-ratio:4/3;object-fit:cover}
.split h2,.split h3.big{font-size:clamp(1.35rem,2.8vw,1.85rem);font-weight:700;color:var(--navy);line-height:1.7;margin-bottom:20px}
.split p{color:var(--muted);margin-bottom:1.1em}

.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 30px;border-radius:999px;background:var(--brand);color:#fff;font-size:.92rem;transition:background .25s,transform .25s;border:0;cursor:pointer;font-family:inherit}
.btn:hover{background:var(--brand-d);transform:translateY(-2px)}
.btn.ghost{background:transparent;color:var(--brand);border:1px solid var(--brand)}
.btn.ghost:hover{background:var(--brand);color:#fff}
.btn.white{background:#fff;color:var(--brand)}
.btn .arr{transition:transform .25s}.btn:hover .arr{transform:translateX(4px)}

/* service cards */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.svc{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .3s}
.svc:hover{transform:translateY(-4px)}
.svc .ph{overflow:hidden}
.svc img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .6s}
.svc:hover img{transform:scale(1.05)}
.svc-body{padding:24px 26px 28px;flex:1;display:flex;flex-direction:column}
.svc .num{font-family:"Cormorant Garamond",serif;color:var(--red);font-size:1.2rem;letter-spacing:.1em}
.svc h3{font-size:1.08rem;color:var(--navy);margin:2px 0 10px;line-height:1.6}
.svc p{font-size:.9rem;color:var(--muted);flex:1}
.svc .more{margin-top:16px;font-size:.85rem;color:var(--brand);display:inline-flex;gap:6px}
.svc.cafe{background:#faf6ef}
.svc.cafe .num{color:#9a7b5b}
.svc.cafe .more{color:#21456e}

/* service detail */
.svc-detail{padding:clamp(70px,9vw,110px) 0;border-bottom:1px solid var(--line)}
.svc-detail:last-of-type{border-bottom:0}
.svc-detail .tag{display:inline-block;font-family:"Cormorant Garamond",serif;color:var(--red);letter-spacing:.15em;font-size:1.05rem;margin-bottom:6px}
.svc-detail h2{font-size:clamp(1.4rem,3vw,1.9rem);color:var(--navy);line-height:1.6;margin-bottom:14px}
.svc-detail .catch{font-weight:700;color:var(--brand);margin-bottom:14px}
.points{list-style:none;display:grid;gap:12px;margin:22px 0 0}
.points li{display:flex;gap:12px;align-items:flex-start;background:var(--white);border-radius:12px;padding:14px 18px;font-size:.93rem;box-shadow:0 4px 14px rgba(22,36,74,.05)}
.points li::before{content:"";flex:none;width:20px;height:20px;margin-top:4px;border-radius:50%;background:var(--brand) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/12px no-repeat}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.chips span{font-size:.8rem;padding:4px 14px;border-radius:999px;background:var(--sky);color:var(--brand)}
.subimgs{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}
.subimgs img{border-radius:12px;aspect-ratio:4/3;object-fit:cover;width:100%}

/* service anchor nav */
.anchor-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.anchor-nav a{padding:10px 20px;border-radius:999px;background:var(--white);border:1px solid var(--line);font-size:.88rem;color:var(--navy);transition:.25s}
.anchor-nav a:hover{border-color:var(--brand);color:var(--brand)}

/* about / philosophy */
.philo{text-align:center}
.philo .slogan{font-size:clamp(1.3rem,3vw,1.9rem);color:var(--navy);font-weight:700;line-height:1.8;margin-bottom:24px}
.philo p{color:var(--muted);max-width:720px;margin:0 auto}
.n3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:50px}
.n3 div{background:var(--white);border-radius:var(--radius);padding:34px 20px;box-shadow:var(--shadow)}
.n3 .en{display:block;font-size:2.2rem;color:var(--navy);font-weight:600;line-height:1.1}
.n3 .en::first-letter{color:var(--red)}
.n3 .ja{display:block;margin-top:8px;color:var(--muted);font-size:.9rem}

/* table */
.dl-table{width:100%;border-collapse:collapse;background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.dl-table th,.dl-table td{padding:20px 26px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;font-size:.95rem}
.dl-table tr:last-child th,.dl-table tr:last-child td{border-bottom:0}
.dl-table th{width:26%;background:#f6f8fd;color:var(--navy);font-weight:700;white-space:nowrap}
.dl-table ul{list-style:none}
.dl-table li::before{content:"・";color:var(--brand)}

.offices{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.office{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.office iframe{width:100%;aspect-ratio:16/10;border:0;display:block;background:var(--sky)}
.office-body{padding:22px 26px 26px}
.office h3{color:var(--navy);font-size:1.1rem;margin-bottom:6px}
.office p{font-size:.92rem;color:var(--muted)}

/* recruit */
.jobs{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.job{background:var(--white);border-radius:var(--radius);padding:34px 32px;box-shadow:var(--shadow);border-top:4px solid var(--brand)}
.job .en{color:var(--red);font-size:1.05rem}
.job h3{font-size:1.3rem;color:var(--navy);margin:4px 0 14px}
.job p{color:var(--muted);font-size:.93rem}

/* cafe band */
.cafe-band{background:#faf6ef;color:#2e2a26}
.cafe-band .split h2{color:#21456e}
.cafe-band .tag{display:inline-flex;align-items:center;gap:10px;font-size:.85rem;color:#6e5640;margin-bottom:16px}
.cafe-band .tag img{width:44px;height:44px;border-radius:50%;background:#fff;padding:3px}
.cafe-band .btn{background:#21456e}.cafe-band .btn:hover{background:#163252}
.cafe-photos{display:grid;grid-template-columns:2fr 1fr;grid-template-rows:1fr 1fr;gap:12px}
.cafe-photos img{border-radius:var(--radius);width:100%;height:100%;object-fit:cover}
.cafe-photos img:first-child{grid-row:span 2;aspect-ratio:auto}
.cafe-photos img:not(:first-child){aspect-ratio:1}

/* CTA band */
.cta-band{position:relative;overflow:hidden;color:#fff;text-align:center}
.cta-band img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cta-band::after{content:"";position:absolute;inset:0;background:rgba(20,22,106,.82)}
.cta-band .wrap{position:relative;z-index:1}
.cta-band .en{font-size:clamp(2.2rem,5vw,3.2rem);display:block;line-height:1.1}
.cta-band p{margin:16px 0 30px;opacity:.9}
.cta-row{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;align-items:center}
.tel-big{display:inline-flex;flex-direction:column;align-items:flex-start;text-align:left;line-height:1.4}
.tel-big b{font-family:"Cormorant Garamond",serif;font-size:2rem;letter-spacing:.08em}
.tel-big small{font-size:.78rem;opacity:.8}

/* form */
.form{background:var(--white);border-radius:var(--radius);padding:clamp(26px,5vw,50px);box-shadow:var(--shadow)}
.f-row{display:grid;grid-template-columns:220px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);align-items:start}
.f-row:last-of-type{border-bottom:0}
.f-row>label,.f-row>.lbl{font-weight:700;color:var(--navy);font-size:.95rem;padding-top:10px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.req,.opt{font-size:.7rem;padding:2px 8px;border-radius:4px;font-weight:500;letter-spacing:.05em}
.req{background:var(--red);color:#fff}
.opt{background:#e9ecf3;color:var(--muted)}
.form input[type=text],.form input[type=email],.form input[type=tel],.form select,.form textarea{width:100%;font:inherit;font-size:1rem;padding:12px 16px;border:1px solid var(--line);border-radius:10px;background:#fbfcfe;transition:border-color .2s,box-shadow .2s}
.form textarea{min-height:200px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(29,32,136,.12);background:#fff}
.radios{display:flex;flex-wrap:wrap;gap:10px 22px;padding-top:8px}
.radios label{display:flex;gap:8px;align-items:center;cursor:pointer}
.agree{text-align:center;margin:30px 0 24px;font-size:.93rem}
.agree a{color:var(--brand);text-decoration:underline}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.form-actions{text-align:center}
.form-actions .btn{min-width:260px;justify-content:center;font-size:1rem;padding:16px 30px}
.form-actions .btn[disabled]{opacity:.5;pointer-events:none}
.err{color:var(--red);font-size:.82rem;margin-top:6px;display:none}
.invalid .err{display:block}
.invalid input,.invalid textarea{border-color:var(--red)}
.alert{background:#fdecee;color:#8c0a1a;border-radius:12px;padding:16px 20px;margin-bottom:24px;font-size:.92rem}
.alert ul{margin-left:1.2em}
.contact-info{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:40px}
.contact-info a{display:flex;gap:16px;align-items:center;background:var(--white);border-radius:var(--radius);padding:22px 26px;box-shadow:var(--shadow);transition:transform .25s}
.contact-info a:hover{transform:translateY(-3px)}
.contact-info .ic{width:48px;height:48px;border-radius:50%;background:var(--sky);display:grid;place-items:center;color:var(--brand);flex:none}
.contact-info .ic svg{width:22px;height:22px}
.contact-info small{display:block;color:var(--muted);font-size:.8rem}
.contact-info b{font-size:1.15rem;color:var(--navy);letter-spacing:.05em}

/* prose (privacy) */
.prose h2{font-size:1.15rem;color:var(--navy);margin:40px 0 12px;padding-left:14px;border-left:4px solid var(--brand)}
.prose p,.prose li{color:#3c4252;font-size:.95rem}
.prose ol,.prose ul{margin:8px 0 0 1.4em}
.prose .sign{text-align:right;margin-top:40px}

/* footer */
.site-footer{background:var(--navy);color:#cfd5e8;padding:70px 0 30px;font-size:.88rem}
.ft{display:grid;grid-template-columns:1.3fr 1fr;gap:40px}
.ft .logo{height:30px;width:auto;margin-bottom:20px}
.ft address{font-style:normal;line-height:2}
.ft-nav{display:grid;grid-template-columns:repeat(2,auto);gap:10px 40px;justify-content:end;list-style:none;align-content:start}
.ft-nav a:hover{color:#fff;text-decoration:underline}
.copy{border-top:1px solid rgba(255,255,255,.12);margin-top:50px;padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.78rem;opacity:.7}
.to-top{position:fixed;right:20px;bottom:20px;width:46px;height:46px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:opacity .3s;z-index:40}
.to-top.show{opacity:1;pointer-events:auto}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .gnav{position:fixed;inset:0;background:rgba(22,36,74,.97);display:grid;place-items:center;opacity:0;pointer-events:none;transition:opacity .3s}
  .gnav.open{opacity:1;pointer-events:auto}
  .gnav ul{flex-direction:column;gap:22px;font-size:1.05rem}
  .gnav a,.site-header .gnav a{color:#fff!important}
  .gnav a small{color:#cfd6ff!important}
  .menu-btn{display:block}
  .menu-btn.open span{background:#fff!important}
  .menu-btn.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .menu-btn.open span:nth-child(2){opacity:0}
  .menu-btn.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .svc-grid,.offices{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .split,.offices,.jobs,.contact-info,.ft{grid-template-columns:1fr}
  .split.rev>:first-child{order:0}
  .svc-grid,.n3{grid-template-columns:1fr}
  .dl-table th,.dl-table td{display:block;width:100%;padding:12px 18px}
  .dl-table th{padding-top:16px;border-bottom:0}
  .f-row{grid-template-columns:1fr;gap:6px}
  .f-row>label,.f-row>.lbl{padding-top:0}
  .ft-nav{justify-content:start}
  .hero h1 br{display:none}
  .brand img{height:24px}
  .page-hero{padding:130px 0 60px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}