/*
Theme Name: 水戸AI
Theme URI: https://example.com/
Author: 水戸AI
Description: 水戸・茨城の中小企業向けAI・DX支援サイト用テーマ
Version: 1.0.0
Text Domain: mito-ai
*/
:root{--blue:#1463ff;--navy:#08234b;--ink:#111;--muted:#6f747b;--soft:#f5f6f3;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Noto Sans JP","Yu Gothic",Meiryo,sans-serif;color:var(--ink);line-height:1.75}a{text-decoration:none;color:inherit}.container{width:min(1180px,calc(100% - 36px));margin:auto}.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.95);border-bottom:1px solid #eee}.head{min-height:78px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px;font-weight:900;font-size:24px}.brand img{width:54px;height:54px;border-radius:50%}.nav{display:flex;gap:24px;align-items:center;font-size:13px;font-weight:800}.cta{display:inline-flex;padding:13px 20px;background:var(--blue);color:white}.hero{padding:100px 0 80px;background:linear-gradient(135deg,#fff 55%,#edf4ff 55%)}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:44px}.hero h1{font-size:clamp(48px,7vw,90px);line-height:1.04;letter-spacing:-.07em;margin:0 0 26px}.hero p{font-size:18px;color:var(--muted);max-width:650px}.hero img{width:min(100%,420px);border-radius:50%;box-shadow:0 30px 90px rgba(20,99,255,.18)}.buttons{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.btn{border:1px solid #111;padding:14px 20px;font-weight:900}.btn.blue{background:var(--blue);border-color:var(--blue);color:#fff}.section{padding:90px 0}.gray{background:var(--soft)}.label{font-size:12px;letter-spacing:.15em;font-weight:900;color:var(--blue)}h2{font-size:clamp(38px,5vw,65px);letter-spacing:-.05em;line-height:1.1}.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.card{background:white;border:1px solid #e5e5e5;padding:32px}.metric{font-size:42px;font-weight:950}.metric b{color:var(--blue)}.service{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:45px 0;border-top:1px solid #bbb}.service svg{width:100%;height:auto;background:white;border:1px solid #e3e8f0}.post-wrap{width:min(850px,calc(100% - 34px));margin:70px auto}.post-wrap h1{font-size:clamp(34px,5vw,58px);line-height:1.2}.post-wrap h2{font-size:30px;margin-top:50px}.post-wrap p,.post-wrap li{font-size:17px}.article-cta{margin:55px 0;padding:30px;background:#edf4ff;border-left:5px solid var(--blue)}footer{background:var(--navy);color:#fff;padding:55px 0}.footer-grid{display:flex;justify-content:space-between;gap:30px}.footer-grid img{width:70px;height:70px;border-radius:50%}@media(max-width:800px){.nav{display:none}.hero-grid,.grid2,.service{grid-template-columns:1fr}.hero{padding-top:65px}.hero img{max-width:270px}.footer-grid{display:block}}