/* ============================================================
   株式会社西田仁勇 — 共通スタイルシート (style.css)
   全ページで読み込む共通デザインシステム
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho:wght@400;500;600;700;800&family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

/* --- DESIGN TOKENS --- */
:root {
  --ink:        #12181f;
  --ink-2:      #2c3540;
  --ink-3:      #5a6472;
  --muted:      #8e9aaa;
  --border:     #dce2ea;
  --bg:         #f6f8fb;
  --bg-2:       #eef2f7;
  --bg-3:       #e2e8f0;
  --white:      #ffffff;
  --accent:     #1a3a5c;
  --accent-2:   #254e7a;
  --accent-lt:  #e8f0f8;
  --orange:     #e8712a;
  --orange-2:   #d05e18;
  --orange-lt:  #fdeee3;
  --font-serif: 'Shippori Mincho', Georgia, serif;
  --font-sans:  'Noto Sans JP', sans-serif;
  --ease:       cubic-bezier(.25,.46,.45,.94);
  --ease-out:   cubic-bezier(.16,1,.3,1);
  --hdr:        68px;
  --max:        1120px;
  --r:          3px;
}

/* --- RESET --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:var(--font-sans);background:var(--bg);color:var(--ink);line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{cursor:pointer;font-family:inherit}

/* --- LAYOUT --- */
.wrap{width:min(var(--max),100% - 3rem);margin-inline:auto}
.section{padding:6rem 0}
.section-alt{background:var(--bg-2)}
.section-dark{background:var(--accent);color:var(--white)}
.section-head{margin-bottom:3.5rem}

/* --- TYPOGRAPHY --- */
.label{display:inline-flex;align-items:center;gap:.75rem;font-size:.7rem;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:var(--orange);margin-bottom:1rem}
.label::before{content:'';display:block;width:1.8rem;height:1px;background:var(--orange)}
.heading{font-family:var(--font-serif);font-size:clamp(1.55rem,2.8vw,2.3rem);font-weight:700;line-height:1.5;color:var(--ink);margin-bottom:1.5rem}
.lead{font-size:.95rem;color:var(--ink-2);line-height:2;max-width:52ch}
.divider{width:2.2rem;height:2px;background:var(--orange);margin-bottom:1.5rem}

/* --- BUTTONS --- */
.btn{display:inline-flex;align-items:center;gap:.45rem;padding:.8rem 1.9rem;font-size:.84rem;font-weight:500;letter-spacing:.05em;border-radius:var(--r);border:none;transition:all .24s var(--ease);white-space:nowrap;cursor:pointer}
.btn svg{width:15px;height:15px;flex-shrink:0}
.btn-primary{background:var(--orange);color:var(--white);box-shadow:0 4px 16px rgba(232,113,42,.25)}
.btn-primary:hover{background:var(--orange-2);transform:translateY(-2px);box-shadow:0 8px 24px rgba(232,113,42,.35)}
.btn-outline{background:transparent;color:var(--accent);border:1.5px solid var(--accent)}
.btn-outline:hover{background:var(--accent);color:var(--white)}
.btn-ghost{background:transparent;color:var(--ink-2);border:1.5px solid var(--border);padding:.7rem 1.6rem}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-white{background:var(--white);color:var(--accent);font-weight:700}
.btn-white:hover{background:var(--bg);box-shadow:0 8px 32px rgba(0,0,0,.18)}

/* --- SCROLL REVEAL --- */
.sr{opacity:0;transform:translateY(24px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.sr.on{opacity:1;transform:none}
.sr-d1{transition-delay:.1s}.sr-d2{transition-delay:.18s}.sr-d3{transition-delay:.26s}.sr-d4{transition-delay:.34s}

/* --- HEADER --- */
.hdr{position:fixed;top:0;left:0;right:0;height:var(--hdr);z-index:200;background:rgba(246,248,251,.93);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border);transition:box-shadow .3s}
.hdr.scrolled{box-shadow:0 2px 24px rgba(18,24,31,.07)}
.hdr-in{height:100%;display:flex;align-items:center;justify-content:space-between;gap:1.5rem}
.logo{display:flex;flex-direction:column;line-height:1.25}
.logo-ja{font-family:var(--font-serif);font-size:1rem;font-weight:600;color:var(--ink);letter-spacing:.03em}
.logo-en{font-size:.58rem;letter-spacing:.18em;color:var(--muted);text-transform:uppercase}
.gnav{display:flex;align-items:center;gap:.05rem}
.gnav a{font-size:.78rem;color:var(--ink-2);padding:.38rem .65rem;border-radius:2px;letter-spacing:.03em;transition:color .2s;white-space:nowrap}
.gnav a:hover,.gnav a.current{color:var(--accent)}
.gnav a.current{font-weight:500}
.nav-btn{display:none;background:none;border:none;padding:4px;color:var(--ink)}

/* --- PAGE HERO (内部ページ用) --- */
.page-hero{padding:calc(var(--hdr) + 4rem) 0 4rem;background:var(--bg-2);border-bottom:1px solid var(--border)}
.page-hero-label{font-size:.7rem;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:var(--orange);margin-bottom:.75rem}
.page-hero-title{font-family:var(--font-serif);font-size:clamp(1.8rem,3.5vw,3rem);font-weight:700;line-height:1.4;color:var(--ink);margin-bottom:1rem}
.page-hero-lead{font-size:.95rem;color:var(--ink-2);max-width:52ch;line-height:1.95}
.breadcrumb{display:flex;align-items:center;gap:.5rem;font-size:.75rem;color:var(--muted);margin-bottom:1.5rem}
.breadcrumb a{color:var(--muted);transition:color .2s}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb-sep{color:var(--border)}

/* --- CARDS --- */
.card{background:var(--white);border:1px solid var(--border);border-radius:var(--r);padding:2rem;transition:box-shadow .25s var(--ease),border-color .25s}
.card:hover{box-shadow:0 8px 32px rgba(18,24,31,.08);border-color:var(--accent-lt)}
.post-card{display:flex;flex-direction:column}
.post-card-thumb{aspect-ratio:16/9;background:var(--bg-2);border-radius:var(--r) var(--r) 0 0;overflow:hidden;margin:-2rem -2rem 1.5rem}
.post-card-thumb img{width:100%;height:100%;object-fit:cover}
.post-card-thumb-placeholder{width:100%;height:100%;background:linear-gradient(135deg,var(--accent-lt),var(--bg-3));display:flex;align-items:center;justify-content:center;color:var(--muted)}
.post-card-cat{font-size:.68rem;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--orange);margin-bottom:.5rem}
.post-card-title{font-family:var(--font-serif);font-size:1rem;font-weight:600;color:var(--ink);line-height:1.55;margin-bottom:.75rem;flex:1}
.post-card-date{font-size:.74rem;color:var(--muted)}

/* --- FORM --- */
.form-group{margin-bottom:1.5rem}
.form-label{display:block;font-size:.82rem;font-weight:500;color:var(--ink-2);margin-bottom:.5rem}
.form-label .req{display:inline-block;margin-left:.4rem;padding:.1rem .4rem;background:var(--orange);color:var(--white);font-size:.62rem;border-radius:2px;letter-spacing:.05em;vertical-align:middle}
.form-input,.form-select,.form-textarea{width:100%;padding:.75rem 1rem;font-family:var(--font-sans);font-size:.88rem;color:var(--ink);background:var(--white);border:1.5px solid var(--border);border-radius:var(--r);transition:border-color .2s,box-shadow .2s;appearance:none}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-lt)}
.form-textarea{resize:vertical;min-height:160px;line-height:1.8}
.form-checkbox{display:flex;align-items:flex-start;gap:.75rem;font-size:.84rem;color:var(--ink-2);cursor:pointer}
.form-checkbox input{width:18px;height:18px;flex-shrink:0;margin-top:.15rem;accent-color:var(--accent)}

/* --- TABLE --- */
.tbl{width:100%;border-collapse:collapse;font-size:.88rem}
.tbl th,.tbl td{padding:1rem 1.25rem;border-bottom:1px solid var(--border);text-align:left;vertical-align:top;line-height:1.8}
.tbl th{width:30%;font-weight:500;color:var(--ink-2);background:var(--bg-2)}
.tbl td{color:var(--ink)}
.tbl tr:last-child th,.tbl tr:last-child td{border-bottom:none}

/* --- BADGES --- */
.badge{display:inline-block;padding:.2rem .65rem;border-radius:2px;font-size:.7rem;font-weight:500;letter-spacing:.04em}
.badge-orange{background:var(--orange-lt);color:var(--orange)}
.badge-navy{background:var(--accent-lt);color:var(--accent)}
.badge-gray{background:var(--bg-3);color:var(--ink-3)}

/* --- PAGINATION --- */
.pagination{display:flex;align-items:center;justify-content:center;gap:.4rem;margin-top:3rem}
.pagination a,.pagination span{width:38px;height:38px;display:flex;align-items:center;justify-content:center;border-radius:var(--r);font-size:.84rem;border:1.5px solid var(--border);color:var(--ink-2);transition:all .2s}
.pagination a:hover{border-color:var(--accent);color:var(--accent)}
.pagination .current{background:var(--accent);color:var(--white);border-color:var(--accent)}

/* --- FOOTER --- */
.footer{background:var(--ink);color:rgba(255,255,255,.58);padding:4.5rem 0 2rem}
.footer-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:2.5rem;padding-bottom:3rem;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:1.75rem}
.footer-logo-ja{font-family:var(--font-serif);font-size:1.08rem;font-weight:600;color:var(--white);letter-spacing:.03em;margin-bottom:.3rem}
.footer-tagline{font-size:.78rem;line-height:1.85;margin-bottom:1.4rem}
.sns-row{display:flex;gap:.6rem}
.sns-btn{width:34px;height:34px;border-radius:3px;border:1px solid rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.5);transition:border-color .2s,color .2s}
.sns-btn:hover{border-color:var(--orange);color:var(--orange)}
.sns-btn svg{width:15px;height:15px}
.footer-col-head{font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--orange);margin-bottom:1.1rem}
.footer-nav-col{display:flex;flex-direction:column;gap:.55rem}
.footer-nav-col a{font-size:.8rem;color:rgba(255,255,255,.55);transition:color .2s}
.footer-nav-col a:hover{color:var(--white)}
.footer-info{font-size:.77rem;line-height:2.05}
.footer-info .placeholder{color:rgba(255,255,255,.3)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;font-size:.72rem;color:rgba(255,255,255,.28);flex-wrap:wrap;gap:.75rem}
.footer-bottom-links{display:flex;gap:1.4rem}
.footer-bottom-links a{color:rgba(255,255,255,.28);transition:color .2s}
.footer-bottom-links a:hover{color:rgba(255,255,255,.65)}

/* --- KEYFRAMES --- */
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
@keyframes cardIn{from{opacity:0;transform:translateY(40px) scale(.97)}to{opacity:1;transform:none}}
@keyframes floatIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.55;transform:scale(.7)}}

/* --- RESPONSIVE --- */
@media(max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:2rem}
}
@media(max-width:768px){
  :root{--hdr:60px}
  .section{padding:4rem 0}
  .gnav{display:none}
  .nav-btn{display:block}
  .gnav.open{display:flex;flex-direction:column;align-items:flex-start;position:fixed;top:var(--hdr);left:0;right:0;bottom:0;background:var(--bg);z-index:199;padding:2rem 1.5rem;gap:.1rem;overflow-y:auto}
  .gnav.open a{font-size:1.1rem;padding:.75rem 0;width:100%;border-bottom:1px solid var(--border)}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:.5rem;text-align:center}
}