/*
Theme Name: Bull Corp
Theme URI: https://bull-marketing.co.jp
Author: Bull Marketing Co., Ltd.
Description: コーポレートサイトテーマ for 株式会社ブル・マーケティング
Version: 1.0.0
License: GNU General Public License v2 or later
Text Domain: bull-corp
*/

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--navy:#1B3058;--navy-dark:#0F1E3A;--navy-light:#2A4A80;--accent:#D97706;--accent-light:#F59E0B;--text:#1A1A2E;--text-muted:#6B7280;--bg-light:#F8F9FC;--border:#E5E7EB;--white:#FFFFFF}
html{scroll-behavior:smooth}
body{font-family:'Hiragino Sans','Noto Sans JP','Yu Gothic','Meiryo',sans-serif;color:var(--text);line-height:1.7;font-size:15px;background:#fff}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto}
.bc-header{position:fixed;top:0;left:0;right:0;z-index:100;background:var(--navy-dark);display:flex;align-items:center;justify-content:space-between;padding:0 48px;height:64px;border-bottom:2px solid var(--accent)}
.bc-logo{display:flex;align-items:center;gap:12px}
.bc-logo-mark{width:38px;height:38px;background:var(--accent);border-radius:6px;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:20px;color:white;font-style:italic;letter-spacing:-1px;flex-shrink:0}
.bc-logo-text{color:white;font-size:13px;font-weight:600;line-height:1.3}
.bc-logo-text span{display:block;font-size:10px;font-weight:400;color:rgba(255,255,255,0.55);letter-spacing:.06em}
.bc-nav{display:flex;align-items:center;gap:28px}
.bc-nav a{color:rgba(255,255,255,.8);font-size:13px;font-weight:500;letter-spacing:.02em;transition:color .2s}
.bc-nav a:hover{color:var(--accent-light)}
.bc-nav-cta{background:var(--accent)!important;color:white!important;padding:8px 20px;border-radius:4px;font-size:13px!important;transition:background .2s!important}
.bc-nav-cta:hover{background:var(--accent-light)!important}
.bc-hero{margin-top:64px;background:linear-gradient(135deg,var(--navy-dark) 0%,var(--navy) 55%,#1E4080 100%);min-height:560px;display:flex;align-items:center;position:relative;overflow:hidden}
.bc-hero::after{content:'';position:absolute;top:0;right:0;bottom:0;left:0;background-image:radial-gradient(circle,rgba(255,255,255,.05) 1px,transparent 1px);background-size:36px 36px;pointer-events:none}
.bc-hero-inner{max-width:1100px;margin:0 auto;padding:80px 48px;position:relative;z-index:1}
.bc-hero-badge{display:inline-block;background:rgba(217,119,6,.18);border:1px solid var(--accent);color:var(--accent-light);padding:4px 16px;border-radius:20px;font-size:12px;font-weight:700;letter-spacing:.08em;margin-bottom:28px}
.bc-hero h1{font-size:44px;font-weight:800;color:white;line-height:1.3;margin-bottom:20px;letter-spacing:-.5px}
.bc-hero h1 em{color:var(--accent-light);font-style:normal}
.bc-hero-sub{font-size:16px;color:rgba(255,255,255,.72);margin-bottom:40px;max-width:540px;line-height:1.85}
.bc-hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.bc-btn-primary{background:var(--accent);color:white;padding:14px 34px;border-radius:6px;font-size:15px;font-weight:700;display:inline-block;transition:background .2s,transform .1s}
.bc-btn-primary:hover{background:var(--accent-light);transform:translateY(-1px)}
.bc-btn-outline{border:2px solid rgba(255,255,255,.38);color:white;padding:14px 34px;border-radius:6px;font-size:15px;font-weight:600;display:inline-block;transition:border-color .2s}
.bc-btn-outline:hover{border-color:rgba(255,255,255,.8)}
.bc-numbers{background:white;border-top:1px solid var(--border);padding:0 48px}
.bc-numbers-inner{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr)}
.bc-num{text-align:center;padding:32px 16px;border-right:1px solid var(--border)}
.bc-num:last-child{border-right:none}
.bc-num-val{font-size:42px;font-weight:800;color:var(--navy);line-height:1}
.bc-num-val span{font-size:20px}
.bc-num-label{font-size:12px;color:var(--text-muted);margin-top:8px;letter-spacing:.05em}
.bc-sec{padding:88px 48px}
.bc-sec-alt{background:var(--bg-light)}
.bc-inner{max-width:1100px;margin:0 auto}
.bc-tag{font-size:11px;font-weight:700;letter-spacing:.18em;color:var(--accent);text-transform:uppercase;margin-bottom:12px}
.bc-title{font-size:32px;font-weight:800;color:var(--navy);line-height:1.3;margin-bottom:16px}
.bc-desc{font-size:15px;color:var(--text-muted);max-width:560px;line-height:1.85;margin-bottom:52px}
.bc-issues-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:32px}
.bc-issue-card{background:white;border:1px solid var(--border);border-radius:10px;padding:24px;display:flex;gap:16px;align-items:flex-start}
.bc-issue-icon{width:42px;height:42px;background:#FEF3C7;border-radius:8px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:20px}
.bc-issue-text{font-size:14px;color:var(--text);font-weight:600;line-height:1.6}
.bc-solve-bar{background:var(--navy);border-radius:12px;padding:32px 40px;display:flex;align-items:center;gap:28px}
.bc-solve-label{color:var(--accent-light);font-size:12px;font-weight:700;letter-spacing:.12em;white-space:nowrap}
.bc-solve-arrow{font-size:30px;color:var(--accent);flex-shrink:0;line-height:1}
.bc-solve-text{color:white;font-size:18px;font-weight:700;line-height:1.65}
.bc-svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.bc-svc-card{border:1px solid var(--border);border-radius:12px;overflow:hidden}
.bc-svc-head{background:var(--navy);padding:28px 32px;display:flex;align-items:center;gap:18px}
.bc-svc-num{width:46px;height:46px;border:2px solid var(--accent);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--accent-light);font-size:18px;font-weight:800;flex-shrink:0}
.bc-svc-title{color:white;font-size:17px;font-weight:700}
.bc-svc-sub{color:rgba(255,255,255,.55);font-size:12px;margin-top:3px;letter-spacing:.05em}
.bc-svc-body{padding:28px 32px;background:white}
.bc-svc-desc{font-size:14px;color:var(--text-muted);line-height:1.85;margin-bottom:20px}
.bc-svc-list{list-style:none}
.bc-svc-list li{font-size:14px;color:var(--text);padding:10px 0;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px}
.bc-svc-list li:last-child{border-bottom:none}
.bc-svc-list li::before{content:'';width:6px;height:6px;background:var(--accent);border-radius:50%;flex-shrink:0}
.bc-str-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.bc-str-card{background:white;border-radius:12px;padding:32px;border:1px solid var(--border);border-top:4px solid var(--accent);display:flex;gap:20px}
.bc-str-num{font-size:52px;font-weight:900;color:#E5E7EB;line-height:1;flex-shrink:0;letter-spacing:-3px}
.bc-str-title{font-size:16px;font-weight:700;color:var(--navy);margin-bottom:10px}
.bc-str-text{font-size:14px;color:var(--text-muted);line-height:1.85}
.bc-case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.bc-case-card{border:1px solid var(--border);border-radius:10px;padding:24px;background:white}
.bc-case-card.featured{background:#EFF6FF;border-color:#BFDBFE}
.bc-case-tag{display:inline-block;background:#EFF6FF;color:#1D4ED8;padding:3px 10px;border-radius:4px;font-size:11px;font-weight:700;margin-bottom:12px;letter-spacing:.05em}
.bc-case-card.featured .bc-case-tag{background:#DBEAFE;color:#1D4ED8}
.bc-case-title{font-size:14px;font-weight:700;color:var(--text);line-height:1.6}
.bc-case-card.featured .bc-case-title{color:#1E3A8A}
.bc-cli-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.bc-cli-card{background:white;border:1px solid var(--border);border-radius:8px;padding:24px 16px;text-align:center;font-size:13px;font-weight:600;color:var(--text-muted);line-height:1.55}
.bc-about-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.bc-co-table{width:100%;border-collapse:collapse}
.bc-co-table tr{border-bottom:1px solid var(--border)}
.bc-co-table tr:first-child{border-top:1px solid var(--border)}
.bc-co-table th,.bc-co-table td{padding:18px 0;font-size:14px;text-align:left;vertical-align:top}
.bc-co-table th{width:36%;color:var(--text-muted);font-weight:600}
.bc-co-table td{color:var(--text)}
.bc-profile-card{background:var(--bg-light);border-radius:12px;padding:36px;text-align:center}
.bc-profile-img{width:108px;height:108px;border-radius:50%;margin:0 auto 18px;overflow:hidden;border:3px solid var(--accent)}
.bc-profile-img img{width:100%;height:100%;object-fit:cover}
.bc-profile-name{font-size:22px;font-weight:800;color:var(--navy)}
.bc-profile-en{font-size:12px;color:var(--text-muted);letter-spacing:.1em;margin-bottom:6px}
.bc-profile-pos{font-size:13px;color:var(--text-muted);margin-bottom:22px}
.bc-profile-tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.bc-profile-tag{background:white;border:1px solid var(--border);padding:5px 14px;border-radius:20px;font-size:12px;color:var(--text-muted)}
.bc-contact{background:var(--navy);padding:88px 48px;text-align:center}
.bc-contact-tag{font-size:11px;font-weight:700;letter-spacing:.18em;color:var(--accent-light);text-transform:uppercase;margin-bottom:18px}
.bc-contact-title{font-size:34px;font-weight:800;color:white;margin-bottom:18px}
.bc-contact-desc{font-size:15px;color:rgba(255,255,255,.68);margin-bottom:40px;line-height:1.85}
.bc-contact-form{max-width:560px;margin:0 auto}
.bc-footer{background:var(--navy-dark);padding:32px 48px;display:flex;align-items:center;justify-content:space-between}
.bc-footer-logo{color:white;font-size:14px;font-weight:600}
.bc-footer-copy{font-size:12px;color:rgba(255,255,255,.38)}
@media(max-width:900px){
.bc-header{padding:0 20px}
.bc-nav{display:none}
.bc-hero-inner{padding:60px 20px}
.bc-hero h1{font-size:30px}
.bc-numbers-inner{grid-template-columns:repeat(2,1fr)}
.bc-num:nth-child(2){border-right:none}
.bc-sec{padding:56px 20px}
.bc-issues-grid{grid-template-columns:1fr}
.bc-svc-grid,.bc-str-grid,.bc-about-grid{grid-template-columns:1fr}
.bc-case-grid,.bc-cli-grid{grid-template-columns:repeat(2,1fr)}
.bc-solve-bar{flex-direction:column;align-items:flex-start;gap:12px}
.bc-footer{flex-direction:column;gap:8px;text-align:center}
}