/*
Theme Name: Blue Coding
Theme URI: https://bluecoding.jp
Author: Blue Coding
Version: 3.0.0
Description: AI consulting company Blue Coding WordPress theme
Text Domain: bluecoding
*/

/* ===== RESET & VARIABLES ===== */
:root {
  --navy: #0B1929;
  --navy-mid: #142D4C;
  --blue: #1565C0;
  --blue-light: #4FC3F7;
  --accent: #FF6D3A;
  --accent-hover: #E05520;
  --text: #333;
  --text-sub: #888;
  --bg: #fff;
  --bg-alt: #F6F8FA;
  --border: #E8ECF0;
  --heading-en: 'Libre Baskerville', 'Cormorant Garamond', serif;
  --body: 'Noto Sans JP', sans-serif;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--body);color:var(--text);line-height:1.9;background:var(--bg);overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}

/* ===== SCROLL REVEAL ===== */
.sr{opacity:0;transform:translateY(40px);transition:opacity .8s cubic-bezier(.4,0,.2,1),transform .8s cubic-bezier(.4,0,.2,1)}
.sr.v{opacity:1;transform:none}
.sr-l{opacity:0;transform:translateX(-50px);transition:opacity .8s cubic-bezier(.4,0,.2,1),transform .8s cubic-bezier(.4,0,.2,1)}
.sr-l.v{opacity:1;transform:none}
.sr-r{opacity:0;transform:translateX(50px);transition:opacity .8s cubic-bezier(.4,0,.2,1),transform .8s cubic-bezier(.4,0,.2,1)}
.sr-r.v{opacity:1;transform:none}

/* ===== HEADER ===== */
header{position:fixed;top:0;left:0;width:100%;z-index:100;transition:background .4s,box-shadow .4s}
header.scrolled{background:rgba(11,25,41,.96);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);box-shadow:0 1px 0 rgba(255,255,255,.04)}
.h-inner{max-width:1280px;margin:0 auto;padding:0 48px;display:flex;align-items:center;justify-content:space-between;height:80px}
.h-logo img{height:32px;filter:brightness(0) invert(1);transition:opacity .3s}
.h-logo:hover img{opacity:.7}
nav.h-nav{display:flex;align-items:center;gap:6px}
nav.h-nav a{color:rgba(255,255,255,.65);font-family:var(--heading-en);font-size:.82rem;letter-spacing:.08em;padding:8px 16px;border-radius:4px;transition:all .25s}
nav.h-nav a:hover{color:#fff;background:rgba(255,255,255,.06)}
nav.h-nav .h-cta{background:var(--accent);color:#fff!important;font-family:var(--body);font-weight:700;font-size:.8rem;padding:10px 28px;border-radius:100px;margin-left:16px;letter-spacing:.02em}
nav.h-nav .h-cta:hover{background:var(--accent-hover)}
.burger{display:none;background:none;border:none;cursor:pointer;padding:8px}
.burger span{display:block;width:22px;height:1.5px;background:#fff;margin:5px 0;transition:.3s;border-radius:1px}
.burger.on span:nth-child(1){transform:rotate(45deg) translate(4px,5px)}
.burger.on span:nth-child(2){opacity:0}
.burger.on span:nth-child(3){transform:rotate(-45deg) translate(4px,-5px)}
.m-nav{display:none;position:fixed;top:80px;left:0;width:100%;background:var(--navy);padding:20px 48px 28px;z-index:99}
.m-nav.open{display:block}
.m-nav a{display:block;color:rgba(255,255,255,.7);font-size:.92rem;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.05);transition:color .2s}
.m-nav a:last-child{border:none}
.m-nav a:hover{color:#fff}

/* ===== HERO ===== */
.hero{position:relative;height:100vh;min-height:640px;display:flex;align-items:center;justify-content:center;background:var(--navy);overflow:hidden}
.hero-bg{position:absolute;inset:0;background:linear-gradient(160deg,#0B1929 0%,#142D4C 35%,#0F2238 65%,#0B1929 100%)}
.hero-bg::after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 30% 40%,rgba(21,101,192,.12),transparent 55%),radial-gradient(ellipse at 75% 60%,rgba(79,195,247,.06),transparent 45%)}
.hero-grid{position:absolute;inset:0;opacity:.03;background-image:linear-gradient(rgba(255,255,255,.4) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.4) 1px,transparent 1px);background-size:80px 80px}
.hero-content{position:relative;z-index:2;text-align:center;max-width:900px;padding:0 40px}
.hero-en{font-family:var(--heading-en);font-size:clamp(2rem,5.5vw,4.2rem);font-weight:400;color:#fff;line-height:1.25;letter-spacing:.02em;opacity:0;animation:heroIn 1.2s cubic-bezier(.4,0,.2,1) .3s forwards}
.hero-en em{font-style:italic;color:var(--blue-light)}
.hero-jp{font-size:clamp(.85rem,1.6vw,1rem);color:rgba(255,255,255,.45);margin-top:28px;font-weight:300;letter-spacing:.15em;opacity:0;animation:fadeUp .8s cubic-bezier(.4,0,.2,1) .9s forwards}
.hero-scroll{position:absolute;bottom:36px;left:50%;transform:translateX(-50%);color:rgba(255,255,255,.25);font-family:var(--heading-en);font-size:.65rem;letter-spacing:.2em;text-transform:uppercase;z-index:2;opacity:0;animation:fadeUp .6s 1.6s forwards}
.hero-scroll::after{content:'';display:block;width:1px;height:48px;background:linear-gradient(rgba(255,255,255,.25),transparent);margin:12px auto 0}
@keyframes heroIn{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

/* ===== SECTION ===== */
.sec{padding:140px 48px}
.sec-alt{background:var(--bg-alt)}
.sec-inner{max-width:1080px;margin:0 auto}
.sec-head{margin-bottom:56px}
.sec-head-c{text-align:center}
.sec-en{font-family:var(--heading-en);font-size:clamp(1.8rem,3.2vw,2.6rem);font-weight:400;color:var(--navy);letter-spacing:.03em;line-height:1.15}
.sec-jp{font-size:.82rem;color:var(--text-sub);margin-top:10px;letter-spacing:.1em}
.sec-line{display:block;width:48px;height:1.5px;background:var(--blue);margin-top:24px}
.sec-head-c .sec-line{margin:24px auto 0}

/* ===== COMPANY ===== */
.company-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.company-text p{font-size:.92rem;line-height:2.2;margin-bottom:14px}
.company-name{margin-top:28px;padding-top:20px;border-top:1px solid var(--border);font-weight:700;color:var(--navy);font-size:.9rem}
.company-visual{border-radius:8px;overflow:hidden;aspect-ratio:4/2.8;background:linear-gradient(145deg,var(--navy-mid),var(--navy));position:relative;display:flex;align-items:center;justify-content:center}
.company-visual::before,.company-visual::after{content:'';position:absolute;border-radius:50%;border:1px solid rgba(79,195,247,.08)}
.company-visual::before{width:220px;height:220px;animation:pulse 5s ease infinite}
.company-visual::after{width:340px;height:340px;animation:pulse 7s ease infinite reverse}
@keyframes pulse{0%,100%{opacity:.3;transform:scale(1)}50%{opacity:.8;transform:scale(1.05)}}
.company-visual img{height:48px;filter:brightness(0) invert(1);opacity:.45;position:relative;z-index:1}
.arrow-link{display:inline-flex;align-items:center;gap:8px;font-size:.88rem;font-weight:500;color:var(--blue);margin-top:32px;transition:gap .3s}
.arrow-link:hover{gap:14px}
.arrow-link::after{content:'\2192';transition:transform .3s}
.arrow-link:hover::after{transform:translateX(4px)}

/* ===== SERVICE ===== */
.svc-row{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center;margin-bottom:96px}
.svc-row:last-child{margin-bottom:0}
.svc-row.rev{direction:rtl}
.svc-row.rev>*{direction:ltr}
.svc-img{border-radius:8px;overflow:hidden;aspect-ratio:3/2;position:relative}
.svc-img-inner{width:100%;height:100%;display:flex;align-items:center;justify-content:center}
.svc-img-inner svg{width:56px;height:56px;opacity:.5}
.svc-bg1{background:linear-gradient(135deg,#E3F2FD,#BBDEFB)}
.svc-bg1 svg{color:#1565C0}
.svc-bg2{background:linear-gradient(135deg,#E8EAF6,#C5CAE9)}
.svc-bg2 svg{color:#3949AB}
.svc-bg3{background:linear-gradient(135deg,#E0F2F1,#B2DFDB)}
.svc-bg3 svg{color:#00897B}
.svc-bg4{background:linear-gradient(135deg,#FFF3E0,#FFE0B2)}
.svc-bg4 svg{color:#EF6C00}
.svc-label{font-family:var(--heading-en);font-size:.72rem;font-weight:400;color:var(--blue);letter-spacing:.15em;margin-bottom:14px;font-style:italic}
.svc-title{font-size:1.25rem;font-weight:700;color:var(--navy);margin-bottom:18px;line-height:1.6}
.svc-desc{font-size:.88rem;line-height:2.1;color:var(--text)}

/* ===== FLOW ===== */
.flow-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:56px}
.flow-item{text-align:center;position:relative}
.flow-item::after{content:'';position:absolute;top:36px;right:-14px;width:28px;height:1px;background:var(--border)}
.flow-item:last-child::after{display:none}
.flow-n{width:72px;height:72px;border-radius:50%;border:1.5px solid var(--border);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-family:var(--heading-en);font-size:1.15rem;font-weight:400;color:var(--navy);font-style:italic;transition:all .4s}
.flow-item:hover .flow-n{border-color:var(--blue);color:var(--blue)}
.flow-item h4{font-size:.95rem;font-weight:700;color:var(--navy);margin-bottom:10px}
.flow-item p{font-size:.78rem;color:var(--text-sub);line-height:1.85}
.flow-note{text-align:center;margin-top:48px;padding:24px 32px;border:1px solid var(--border);border-radius:6px;font-size:.88rem;font-weight:500;color:var(--navy)}

/* ===== BLOG ===== */
.blog-row{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.blog-card{display:block;border-radius:8px;overflow:hidden;border:1px solid var(--border);transition:transform .4s,box-shadow .4s}
.blog-card:hover{transform:translateY(-6px);box-shadow:0 20px 48px rgba(11,25,41,.08)}
.blog-thumb{height:190px;background:var(--navy-mid);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.blog-thumb::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,var(--navy),var(--navy-mid))}
.blog-thumb svg{position:relative;z-index:1;width:28px;height:28px;color:rgba(255,255,255,.2)}
.blog-body{padding:24px}
.blog-tag{display:inline-block;font-size:.68rem;font-weight:600;color:var(--blue);letter-spacing:.03em;padding:3px 10px;border:1px solid rgba(21,101,192,.15);border-radius:100px;margin-bottom:14px}
.blog-body h3{font-size:.9rem;font-weight:700;color:var(--navy);line-height:1.65;margin-bottom:10px}
.blog-body p{font-size:.78rem;color:var(--text-sub);line-height:1.85;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.blog-date{font-family:var(--heading-en);font-size:.72rem;color:var(--text-sub);margin-top:14px;font-style:italic}
.blog-more{text-align:center;margin-top:48px}

/* ===== CTA (CONTACT intro) ===== */
.cta-dark{background:var(--navy);text-align:center;position:relative;overflow:hidden}
.cta-dark::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 50% 50%,rgba(21,101,192,.08),transparent 60%)}
.cta-dark .sec-en{color:#fff}
.cta-dark .sec-jp{color:rgba(255,255,255,.4)}
.cta-dark .sec-line{margin:24px auto 0}
.cta-text{color:rgba(255,255,255,.55);font-size:.9rem;line-height:2.1;margin-top:28px;position:relative}
.cta-btn{display:inline-flex;align-items:center;gap:10px;background:var(--accent);color:#fff;font-size:.95rem;font-weight:700;padding:18px 44px;border-radius:100px;margin-top:40px;transition:all .3s;box-shadow:0 8px 28px rgba(255,109,58,.25);position:relative}
.cta-btn:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 12px 36px rgba(255,109,58,.35)}
.cta-btn svg{width:16px;height:16px}
.cta-sub{margin-top:24px;display:flex;justify-content:center;gap:28px;flex-wrap:wrap;position:relative}
.cta-sub span{color:rgba(255,255,255,.35);font-size:.78rem}

/* ===== CONTACT FORM ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px}
.contact-form{background:var(--bg);border-radius:8px;padding:44px;border:1px solid var(--border)}
.fg{margin-bottom:22px}
.fg label{display:block;font-size:.82rem;font-weight:600;color:var(--navy);margin-bottom:8px}
.fg .req{font-size:.62rem;background:var(--accent);color:#fff;padding:2px 7px;border-radius:3px;margin-left:6px;vertical-align:middle;font-weight:700}
.fg .opt{font-size:.62rem;background:#E8E8E8;color:var(--text-sub);padding:2px 7px;border-radius:3px;margin-left:6px;vertical-align:middle;font-weight:700}
.fi,.fs,.ft{width:100%;padding:13px 16px;border:1.5px solid #DDE1E6;border-radius:6px;font-family:var(--body);font-size:.88rem;color:var(--text);transition:border-color .3s,box-shadow .3s;background:var(--bg);appearance:none}
.fi:focus,.fs:focus,.ft:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(21,101,192,.06)}
.ft{height:130px;resize:vertical}
.f-submit{width:100%;background:var(--navy);color:#fff;border:none;padding:16px;border-radius:100px;font-family:var(--body);font-size:.92rem;font-weight:700;cursor:pointer;transition:all .3s;letter-spacing:.03em}
.f-submit:hover{background:var(--navy-mid);transform:translateY(-2px);box-shadow:0 8px 28px rgba(11,25,41,.15)}
.contact-side h3{font-size:1.1rem;font-weight:700;color:var(--navy);margin-bottom:20px}
.contact-side>p{font-size:.88rem;color:var(--text);line-height:2.1;margin-bottom:28px}
.ck-list{list-style:none}
.ck-list li{display:flex;align-items:center;gap:12px;padding:14px 0;font-size:.85rem;color:var(--text);font-weight:500;border-bottom:1px solid var(--border)}
.ck-list li:last-child{border:none}
.ck-icon{width:22px;height:22px;border-radius:50%;background:var(--blue);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.ck-icon svg{width:11px;height:11px;color:#fff}
.info-table{margin-top:36px;padding-top:28px;border-top:1px solid var(--border)}
.info-table table{font-size:.82rem;line-height:2.2}
.info-table th{font-weight:600;color:var(--navy);padding-right:20px;vertical-align:top;text-align:left}
.info-table a{color:var(--blue)}

/* ===== FOOTER ===== */
footer{background:var(--navy);padding:56px 48px 28px;color:rgba(255,255,255,.45)}
.ft-inner{max-width:1080px;margin:0 auto}
.ft-top{display:flex;justify-content:space-between;align-items:flex-start;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.05);margin-bottom:24px;flex-wrap:wrap;gap:28px}
.ft-brand img{height:28px;filter:brightness(0) invert(1);opacity:.6;margin-bottom:10px}
.ft-brand p{font-size:.75rem;line-height:1.9}
.ft-nav{display:flex;gap:12px;flex-wrap:wrap}
.ft-nav a{font-family:var(--heading-en);font-size:.78rem;letter-spacing:.06em;color:rgba(255,255,255,.4);padding:6px 12px;transition:color .2s}
.ft-nav a:hover{color:#fff}
.ft-bottom{display:flex;justify-content:space-between;font-size:.68rem;align-items:center;flex-wrap:wrap;gap:12px}
.ft-bottom a{color:rgba(255,255,255,.28);transition:color .2s}
.ft-bottom a:hover{color:rgba(255,255,255,.6)}
.ft-watermark{margin-top:52px;text-align:center}
.ft-watermark img{height:72px;margin:0 auto;filter:brightness(0) invert(1);opacity:.025}

/* ===== MOBILE CTA ===== */
.mob-cta{display:none;position:fixed;bottom:0;left:0;width:100%;background:var(--bg);padding:12px 24px;box-shadow:0 -4px 20px rgba(0,0,0,.06);z-index:98}
.mob-cta a{display:block;text-align:center;background:var(--accent);color:#fff;font-weight:700;padding:14px;border-radius:100px;font-size:.88rem}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .company-grid,.svc-row,.contact-grid{grid-template-columns:1fr;gap:48px}
  .svc-row.rev{direction:ltr}
  .flow-wrap{grid-template-columns:1fr 1fr}
  .flow-item::after{display:none}
}
@media(max-width:768px){
  nav.h-nav{display:none}
  .burger{display:block}
  .mob-cta{display:block}
  .sec{padding:80px 24px}
  .h-inner{padding:0 24px}
  .m-nav{padding:20px 24px 28px}
  .hero-en{font-size:1.7rem}
  .blog-row{grid-template-columns:1fr}
  .svc-row{gap:32px;margin-bottom:56px}
  .ft-nav{flex-direction:column;gap:4px}
  .ft-bottom{flex-direction:column;text-align:center}
  .contact-form{padding:28px 20px}
  body{padding-bottom:64px}
}

/* ===== CONTACT FORM 7 STYLING ===== */
.wpcf7 .fg{margin-bottom:22px}
.wpcf7 .form-label{display:block;font-size:.82rem;font-weight:600;color:var(--navy);margin-bottom:8px}
.wpcf7 .form-label .req{font-size:.62rem;background:var(--accent);color:#fff;padding:2px 7px;border-radius:3px;margin-left:6px;font-weight:700;vertical-align:middle}
.wpcf7 .form-label .opt{font-size:.62rem;background:#E8E8E8;color:var(--text-sub);padding:2px 7px;border-radius:3px;margin-left:6px;font-weight:700;vertical-align:middle}
.wpcf7 input[type="text"],
.wpcf7 input[type="email"],
.wpcf7 input[type="tel"],
.wpcf7 select,
.wpcf7 textarea{width:100%;padding:13px 16px;border:1.5px solid #DDE1E6;border-radius:6px;font-family:var(--body);font-size:.88rem;color:var(--text);transition:border-color .3s,box-shadow .3s;background:var(--bg);appearance:none}
.wpcf7 input[type="text"]:focus,
.wpcf7 input[type="email"]:focus,
.wpcf7 input[type="tel"]:focus,
.wpcf7 select:focus,
.wpcf7 textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(21,101,192,.06)}
.wpcf7 textarea{height:130px;resize:vertical}
.wpcf7 input[type="submit"],
.wpcf7 .f-submit{width:100%;background:var(--navy);color:#fff;border:none;padding:16px;border-radius:100px;font-family:var(--body);font-size:.92rem;font-weight:700;cursor:pointer;transition:all .3s;letter-spacing:.03em}
.wpcf7 input[type="submit"]:hover,
.wpcf7 .f-submit:hover{background:var(--navy-mid);transform:translateY(-2px);box-shadow:0 8px 28px rgba(11,25,41,.15)}
.wpcf7-response-output{border-radius:6px!important;font-size:.85rem;margin-top:16px!important}
.wpcf7 .wpcf7-spinner{margin:16px auto 0}