/*
Theme Name: Yuken Advanced Materials Editable Bright
Theme URI: https://example.com/
Author: OpenAI for 友研株式会社
Description: 各セクションの文章、画像、背景色、文字色をカスタマイザーから編集できる、明るい先端材料企業向けWordPressテーマ。
Version: 1.9.0
Requires at least: 6.4
Tested up to: 6.8
Requires PHP: 7.4
Text Domain: yuken-advanced-materials
*/
:root{--page-bg:#fff;--text:#31465a;--heading:#14324a;--primary:#238eb5;--accent:#58cfd4;--soft:#f1fbfc;--header-bg:#fff;--footer-bg:#123247;--hero-bg:#effbff;--hero-heading:#123a55;--hero-text:#476478;--business-bg:#fff;--strength-bg:#f1fbfc;--cta-bg:#238eb5;--line:#dcebf0;--white:#fff;--shadow:0 20px 60px rgba(34,119,145,.13);--radius:20px;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);background:var(--page-bg);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;line-height:1.75}a{color:var(--primary);text-decoration:none}a:hover{opacity:.84}img{max-width:100%;height:auto;display:block}.container{width:min(calc(100% - 40px),var(--max));margin:auto}.site-header{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--header-bg) 96%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);box-shadow:0 5px 20px rgba(20,50,74,.04)}.site-header .container{width:min(calc(100% - 56px),1320px)}.header-inner{min-height:104px;display:flex;align-items:center;justify-content:space-between;gap:44px}.brand{display:flex;align-items:center;gap:16px;color:var(--heading);font-weight:800;flex-shrink:0}.brand-mark{width:58px;height:58px;border-radius:17px;background:linear-gradient(145deg,var(--primary),var(--accent));display:grid;place-items:center;color:white;font-size:30px}.brand-text{font-size:21px;line-height:1.25;letter-spacing:.01em}.brand small{display:block;color:var(--text);font-size:11px;letter-spacing:.12em;margin-top:4px}.custom-logo-link{display:flex;align-items:center}.custom-logo{max-height:72px;max-width:310px;width:auto}.main-nav ul{display:flex;align-items:center;list-style:none;margin:0;padding:0;gap:42px}.main-nav a{display:block;color:var(--heading);font-weight:700;font-size:16px;letter-spacing:.015em;padding:16px 0;white-space:nowrap}.menu-toggle{display:none;border:0;background:var(--primary);color:#fff;border-radius:10px;padding:10px 14px;font-size:14px;font-weight:700}
.hero-bright{background:radial-gradient(circle at 85% 20%,#fff 0 10%,transparent 33%),linear-gradient(135deg,var(--hero-bg),#fff 68%);overflow:hidden}.hero-bright-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;min-height:690px;padding:80px 0}.eyebrow-bright{display:inline-flex;align-items:center;gap:12px;color:var(--primary);font-size:18px;letter-spacing:.12em;font-weight:800;text-transform:uppercase}.eyebrow-bright:before{content:"";width:30px;height:2px;background:var(--accent)}.hero-bright h1{font-size:clamp(42px,5.5vw,72px);line-height:1.12;margin:18px 0 24px;color:var(--hero-heading);letter-spacing:-.035em}.hero-bright p{font-size:18px;color:var(--hero-text);max-width:650px}.hero-image-wrap{position:relative}.hero-image-wrap:before{content:"";position:absolute;inset:8% -5% -5% 8%;background:#dff7fa;border-radius:50%;filter:blur(10px)}.hero-image-wrap img{position:relative;border-radius:34px;box-shadow:var(--shadow)}.btns{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 24px;border-radius:999px;font-weight:800}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 12px 28px color-mix(in srgb,var(--primary) 28%,transparent)}.btn-outline-dark{border:1px solid color-mix(in srgb,var(--heading) 28%,transparent);color:var(--heading);background:#fff}.btn-white{background:#fff;color:var(--heading)}
.section{padding:100px 0}.business-section{background:var(--business-bg)}.strengths-section{background:var(--strength-bg)}.section-head{max-width:760px;margin-bottom:48px}.kicker{color:var(--primary);font-weight:800;letter-spacing:.12em;font-size:13px}.section h2{font-size:clamp(32px,4vw,48px);line-height:1.25;color:var(--heading);margin:10px 0 16px}.lead{font-size:17px;color:var(--text)}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.25s;box-shadow:0 8px 30px rgba(44,123,147,.06)}.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.card-icon{width:56px;height:56px;border-radius:17px;display:grid;place-items:center;background:linear-gradient(145deg,var(--soft),#dff5f7);color:var(--primary);font-size:25px}.card h3{color:var(--heading);margin:20px 0 9px;font-size:20px}.card p{color:var(--text);font-size:14px;margin:0}.features{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.visual-panel{min-height:470px;border-radius:28px;position:relative;overflow:hidden;box-shadow:var(--shadow);background-size:cover;background-position:center}.bright-panel img{width:100%;height:470px;object-fit:cover}.visual-copy{position:absolute;inset:auto 30px 30px;background:rgba(255,255,255,.94);border-radius:18px;padding:24px;box-shadow:0 12px 34px rgba(30,96,117,.12)}.visual-copy strong{display:block;color:var(--heading);font-size:22px}.checklist{display:grid;gap:18px}.check{display:grid;grid-template-columns:42px 1fr;gap:15px}.check b{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:#fff;color:var(--primary);box-shadow:0 8px 24px rgba(45,137,163,.12)}.check h3{margin:0;color:var(--heading);font-size:19px}.check p{margin:3px 0 0;color:var(--text)}.cta{background:linear-gradient(120deg,var(--cta-bg),color-mix(in srgb,var(--cta-bg) 65%,var(--accent)));color:#fff;border-radius:28px;padding:55px;display:flex;justify-content:space-between;align-items:center;gap:30px;box-shadow:var(--shadow)}.cta h2{color:#fff;margin:0 0 8px;font-size:35px}.cta p{margin:0;color:#eefcff}.site-footer{background:var(--footer-bg);color:#c7dce5;padding:64px 0 24px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:50px}.site-footer h3,.site-footer h4{color:#fff}.site-footer ul{list-style:none;padding:0}.site-footer a{color:#d4e8ee}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:42px;padding-top:22px;font-size:13px}.content-wrap{padding:70px 0;min-height:55vh}.entry-title{font-size:42px;color:var(--heading)}.entry-content{max-width:860px}.entry-content h2{color:var(--heading)}.posts{display:grid;gap:28px}.post-card{border:1px solid var(--line);padding:28px;border-radius:16px}.post-meta{font-size:13px;color:var(--text)}.screen-reader-text{position:absolute;left:-9999px}
@media(max-width:1050px){.header-inner{gap:24px}.main-nav ul{gap:24px}.main-nav a{font-size:15px}.custom-logo{max-width:250px}}
@media(max-width:900px){.site-header .container{width:min(calc(100% - 34px),1320px)}.header-inner{min-height:86px}.custom-logo{max-height:60px;max-width:230px}.brand-mark{width:50px;height:50px;font-size:25px}.brand-text{font-size:18px}.hero-bright-inner,.features{grid-template-columns:1fr}.hero-image-wrap{max-width:620px;margin:auto}.cards{grid-template-columns:1fr 1fr}.main-nav{display:none;position:absolute;left:0;right:0;top:86px;background:#fff;padding:20px 24px;border-bottom:1px solid var(--line);box-shadow:0 16px 30px rgba(20,50,74,.08)}.main-nav.open{display:block}.main-nav ul{display:grid;gap:4px}.main-nav a{font-size:16px;padding:12px 0}.menu-toggle{display:block}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.container{width:min(calc(100% - 28px),var(--max))}.site-header .container{width:min(calc(100% - 24px),1320px)}.header-inner{min-height:78px}.custom-logo{max-height:52px;max-width:200px}.brand-mark{width:45px;height:45px;font-size:23px}.brand-text{font-size:16px}.brand small{font-size:8px}.main-nav{top:78px}.hero-bright-inner{padding:64px 0;min-height:auto}.hero-bright h1{font-size:39px}.section{padding:72px 0}.cards{grid-template-columns:1fr}.features{gap:38px}.visual-panel,.bright-panel img{min-height:360px;height:360px}.cta{padding:34px;display:block}.cta .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr}}

.business-more{text-align:center;margin-top:38px}.business-detail-page{background:var(--detail-bg)}.business-detail-hero{padding:95px 0 62px;background:linear-gradient(135deg,#effbff,#fff)}.business-detail-hero h1{font-size:clamp(42px,6vw,70px);line-height:1.15;color:var(--heading);margin:12px 0 20px}.business-detail-hero p{max-width:780px;font-size:18px;color:var(--text)}.business-detail-section{background:var(--detail-bg)}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.service-item{background:#fff;border:1px solid var(--line);border-radius:22px;padding:32px;box-shadow:0 12px 34px rgba(44,123,147,.07)}.service-no{width:52px;height:52px;border-radius:15px;display:grid;place-items:center;background:linear-gradient(145deg,var(--soft),#dff5f7);color:var(--primary);font-weight:800}.service-item h2{font-size:21px;margin:20px 0 10px}.service-item p{margin:0}.detail-cta{margin-top:56px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:42px;text-align:center}.detail-cta h2{margin-top:0}.detail-cta .btn{margin-top:16px}@media(max-width:900px){.service-grid{grid-template-columns:1fr 1fr}}@media(max-width:600px){.service-grid{grid-template-columns:1fr}.business-detail-hero{padding:70px 0 45px}.detail-cta{padding:30px}}

.contact-page{background:var(--detail-bg)}.contact-hero{background:linear-gradient(135deg,#effbff,#fff)}.contact-section{background:var(--detail-bg)}.contact-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:start}.contact-info-card,.contact-form-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:38px;box-shadow:0 12px 34px rgba(44,123,147,.07)}.contact-info-card h2,.contact-form-card h2{margin-top:8px;font-size:30px}.contact-list{margin:28px 0}.contact-list>div{padding:18px 0;border-top:1px solid var(--line)}.contact-list dt{font-weight:800;color:var(--heading);font-size:13px}.contact-list dd{margin:5px 0 0}.form-placeholder{background:var(--soft);border-radius:16px;padding:22px}.form-placeholder p:first-child{margin-top:0}@media(max-width:800px){.contact-layout{grid-template-columns:1fr}.contact-info-card,.contact-form-card{padding:28px}}
/* Email-only contact page */
.contact-email-only{max-width:820px;margin:0 auto}.contact-email-only .contact-info-card{text-align:left;padding:46px}.contact-email-only .contact-info-card>p{font-size:16px;line-height:1.9}.contact-email-only .contact-list dd a{font-size:20px;font-weight:800}.contact-email-only .btn{margin-top:8px}@media(max-width:800px){.contact-email-only .contact-info-card{padding:30px}.contact-email-only .contact-list dd a{font-size:17px;word-break:break-all}}

/* Keep anchored sections visible below the sticky header. */
#materials,#strengths{scroll-margin-top:124px}

@media(max-width:600px){.eyebrow-bright{font-size:15px;letter-spacing:.09em}.hero-image-wrap svg text,.hero-image-wrap img{font-weight:700}}

/* Prevent top-of-home flash during cross-page section navigation */
html.yuken-hash-loading body { visibility: hidden; }
#materials, #strengths { scroll-margin-top: 128px; }

.detail-hero{padding:72px 0 36px;background:var(--soft);text-align:center}.detail-hero h1{font-size:clamp(2.2rem,5vw,4rem);margin:.35em 0}.detail-page .section{padding-top:64px}