@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700&display=swap');
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{--tl-primary:#3a6b8c;--tl-primary-dark:#2d5470;--tl-accent:#5a9cbf;--tl-bg:#f5f5f7;--tl-card:#ffffff;--tl-text:#2c2c2e;--tl-text-light:#6e6e73;--tl-border:#d2d2d7;--tl-timeline-line:#c5c5ca;--tl-node-bg:#3a6b8c;--tl-hero-overlay:rgba(44,44,46,0.62);--tl-footer-bg:#1d1d1f;--tl-footer-text:#a1a1a6;--tl-radius:6px;--tl-shadow:0 2px 8px rgba(0,0,0,0.07);--tl-transition:0.25s ease}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Noto Sans JP',sans-serif;color:var(--tl-text);background:var(--tl-bg);line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:var(--tl-primary);text-decoration:none;transition:color var(--tl-transition)}
a:hover{color:var(--tl-primary-dark)}
img{max-width:100%;height:auto;display:block}
.container{max-width:1120px;margin:0 auto;padding:0 24px}
nav.main-nav{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(255,255,255,0.97);backdrop-filter:blur(8px);border-bottom:1px solid var(--tl-border);transition:box-shadow var(--tl-transition)}
nav.main-nav.scrolled{box-shadow:0 1px 6px rgba(0,0,0,0.08)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.nav-brand{font-weight:700;font-size:1.05rem;color:var(--tl-text)}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none}
.nav-links>li{position:relative}
.nav-links>li>a{font-size:0.9rem;font-weight:500;color:var(--tl-text);padding:8px 0;transition:color var(--tl-transition)}
.nav-links>li>a:hover{color:var(--tl-primary)}
.nav-dropdown{display:none;position:absolute;top:100%;left:0;min-width:260px;background:var(--tl-card);border:1px solid var(--tl-border);border-radius:var(--tl-radius);box-shadow:var(--tl-shadow);padding:12px 0;z-index:1001}
.nav-links>li:hover .nav-dropdown,.nav-links>li:focus-within .nav-dropdown{display:block}
.nav-dropdown a{display:block;padding:10px 20px;font-size:0.85rem;color:var(--tl-text)}
.nav-dropdown a:hover{background:var(--tl-bg);color:var(--tl-primary)}
.nav-cta{display:inline-block;background:var(--tl-primary);color:#fff !important;font-size:0.85rem !important;padding:8px 20px !important;border-radius:var(--tl-radius);font-weight:500 !important;transition:background var(--tl-transition)}
.nav-cta:hover{background:var(--tl-primary-dark) !important;color:#fff !important}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:4px}
.hamburger span{display:block;width:24px;height:2px;background:var(--tl-text);transition:transform var(--tl-transition)}
.hero{position:relative;min-height:540px;display:flex;align-items:center;justify-content:center;background-size:cover;background-position:center;background-color:var(--tl-text)}
.hero-overlay{position:absolute;inset:0;background:var(--tl-hero-overlay)}
.hero-content{position:relative;z-index:2;text-align:center;color:#fff;padding:80px 24px 60px}
.hero-content h1{font-size:2.4rem;font-weight:700;line-height:1.3;margin-bottom:16px}
.hero-content p{font-size:1.05rem;font-weight:300;max-width:600px;margin:0 auto 32px;opacity:0.92}
.hero-content .btn{display:inline-block;background:var(--tl-primary);color:#fff;padding:14px 36px;border-radius:var(--tl-radius);font-weight:500;font-size:0.95rem;transition:background var(--tl-transition)}
.hero-content .btn:hover{background:var(--tl-accent);color:#fff}
.section{padding:72px 0}
.section-title{font-size:1.6rem;font-weight:700;margin-bottom:12px;text-align:center;color:var(--tl-text)}
.section-subtitle{font-size:0.95rem;color:var(--tl-text-light);text-align:center;max-width:560px;margin:0 auto 48px}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.about-text h2{font-size:1.5rem;font-weight:700;margin-bottom:16px}
.about-text p{color:var(--tl-text-light);margin-bottom:16px;line-height:1.8}
.about-image{border-radius:var(--tl-radius);overflow:hidden;box-shadow:var(--tl-shadow)}
.about-image img{width:100%;height:320px;object-fit:cover}
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.article-card{background:var(--tl-card);border-radius:var(--tl-radius);overflow:hidden;box-shadow:var(--tl-shadow);transition:transform var(--tl-transition),box-shadow var(--tl-transition)}
.article-card:hover{transform:translateY(-4px);box-shadow:0 6px 20px rgba(0,0,0,0.1)}
.article-card-img{width:100%;height:180px;object-fit:cover}
.article-card-body{padding:20px}
.article-card-body h3{font-size:1rem;font-weight:600;margin-bottom:8px;line-height:1.5}
.article-card-body p{font-size:0.85rem;color:var(--tl-text-light);margin-bottom:12px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.article-card-body .card-link{font-size:0.85rem;font-weight:500;color:var(--tl-primary)}
.article-card-body .card-link:hover{color:var(--tl-primary-dark)}
.timeline-section{position:relative;padding:48px 0}
.timeline-line{position:absolute;left:50%;top:0;bottom:0;width:3px;background:var(--tl-timeline-line);transform:translateX(-50%)}
.timeline-item{display:flex;align-items:flex-start;margin-bottom:40px;position:relative}
.timeline-item:nth-child(odd){flex-direction:row-reverse}
.timeline-node{position:absolute;left:50%;top:12px;width:18px;height:18px;background:var(--tl-node-bg);border:3px solid var(--tl-card);border-radius:50%;transform:translateX(-50%);z-index:2;box-shadow:0 0 0 3px var(--tl-timeline-line)}
.timeline-content{width:calc(50% - 36px);background:var(--tl-card);padding:24px;border-radius:var(--tl-radius);box-shadow:var(--tl-shadow)}
.timeline-content h3{font-size:1.05rem;font-weight:600;margin-bottom:8px}
.timeline-content p{font-size:0.9rem;color:var(--tl-text-light);line-height:1.7}
.mission-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.mission-text h2{font-size:1.5rem;font-weight:700;margin-bottom:16px}
.mission-text p{color:var(--tl-text-light);line-height:1.8;margin-bottom:12px}
.mission-image{border-radius:var(--tl-radius);overflow:hidden;box-shadow:var(--tl-shadow)}
.mission-image img{width:100%;height:300px;object-fit:cover}
.advantages-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.advantage-card{background:var(--tl-card);padding:28px 20px;border-radius:var(--tl-radius);text-align:center;box-shadow:var(--tl-shadow);border-top:3px solid var(--tl-primary)}
.advantage-card i{font-size:1.8rem;color:var(--tl-primary);margin-bottom:12px}
.advantage-card h4{font-size:0.95rem;font-weight:600;margin-bottom:8px}
.advantage-card p{font-size:0.82rem;color:var(--tl-text-light);line-height:1.65}
.faq-section{max-width:720px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--tl-border)}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;padding:18px 0;background:none;border:none;cursor:pointer;font-family:inherit;font-size:0.95rem;font-weight:500;color:var(--tl-text);text-align:left}
.faq-question i{transition:transform var(--tl-transition);font-size:0.85rem;color:var(--tl-text-light)}
.faq-question.active i{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.35s ease}
.faq-answer p{padding:0 0 18px;font-size:0.9rem;color:var(--tl-text-light);line-height:1.75}
.closing-cta{text-align:center;background:var(--tl-primary);color:#fff;padding:60px 24px;border-radius:var(--tl-radius)}
.closing-cta h2{font-size:1.5rem;font-weight:700;margin-bottom:12px}
.closing-cta p{font-size:0.95rem;opacity:0.9;margin-bottom:28px;max-width:480px;margin-left:auto;margin-right:auto}
.closing-cta .btn{display:inline-block;background:#fff;color:var(--tl-primary);padding:14px 36px;border-radius:var(--tl-radius);font-weight:600;font-size:0.95rem;transition:background var(--tl-transition)}
.closing-cta .btn:hover{background:#e8e8e8}
footer{background:var(--tl-footer-bg);color:var(--tl-footer-text);padding:48px 0 24px}
.footer-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:40px;margin-bottom:32px}
.footer-col h4{font-size:0.9rem;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col p,.footer-col a{font-size:0.82rem;line-height:1.8;color:var(--tl-footer-text)}
.footer-col a{display:block}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:20px;text-align:center;font-size:0.78rem}
.cookie-bar{position:fixed;bottom:0;left:0;width:100%;background:var(--tl-footer-bg);color:#e5e5e5;padding:20px 24px;z-index:9999;display:flex;align-items:center;justify-content:space-between;gap:20px;box-shadow:0 -2px 10px rgba(0,0,0,0.15)}
.cookie-bar.hidden{display:none}
.cookie-bar p{font-size:0.82rem;line-height:1.6;flex:1}
.cookie-bar p a{color:var(--tl-accent)}
.cookie-buttons{display:flex;gap:12px;flex-shrink:0}
.cookie-buttons button{padding:10px 22px;border-radius:var(--tl-radius);font-size:0.82rem;font-weight:500;cursor:pointer;border:none;transition:background var(--tl-transition)}
.cookie-accept{background:var(--tl-primary);color:#fff}
.cookie-accept:hover{background:var(--tl-primary-dark)}
.cookie-reject{background:transparent;color:#e5e5e5;border:1px solid rgba(255,255,255,0.3) !important}
.cookie-reject:hover{background:rgba(255,255,255,0.08)}
.contact-section{background:#eef2f5;padding:64px 0}
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:40px;max-width:960px;margin:0 auto}
.contact-info-list{list-style:none}
.contact-info-list li{display:flex;align-items:flex-start;gap:14px;margin-bottom:24px}
.contact-info-list li i{font-size:1.3rem;color:var(--tl-primary);margin-top:2px;flex-shrink:0}
.contact-info-list li span{font-size:0.9rem;line-height:1.7}
.contact-form-card{background:var(--tl-card);padding:32px;border-radius:var(--tl-radius);box-shadow:var(--tl-shadow)}
.contact-form-card h3{font-size:1.1rem;font-weight:600;margin-bottom:20px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:0.82rem;font-weight:500;margin-bottom:6px;color:var(--tl-text)}
.form-group input,.form-group textarea{width:100%;padding:10px 14px;border:1px solid var(--tl-border);border-radius:var(--tl-radius);font-family:inherit;font-size:0.9rem;transition:border-color var(--tl-transition)}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--tl-primary)}
.form-group textarea{resize:vertical;min-height:100px}
.form-submit{background:var(--tl-primary);color:#fff;padding:12px 32px;border:none;border-radius:var(--tl-radius);font-weight:500;cursor:pointer;font-size:0.9rem;transition:background var(--tl-transition)}
.form-submit:hover{background:var(--tl-primary-dark)}
.map-section{width:100%;margin-top:0}
.map-section iframe{width:100%;height:420px;border:none}
.article-detail{padding:96px 0 60px}
.article-detail .container{max-width:780px}
.article-detail h1{font-size:1.8rem;font-weight:700;margin-bottom:12px;line-height:1.4}
.article-meta{font-size:0.82rem;color:var(--tl-text-light);margin-bottom:32px}
.article-body h2{font-size:1.3rem;font-weight:600;margin:36px 0 14px;padding-left:14px;border-left:4px solid var(--tl-primary)}
.article-body h3{font-size:1.1rem;font-weight:600;margin:24px 0 10px}
.article-body p{font-size:0.95rem;color:var(--tl-text-light);line-height:1.85;margin-bottom:16px}
.article-body ul{margin:0 0 16px 24px;color:var(--tl-text-light);font-size:0.95rem}
.article-body ul li{margin-bottom:6px}
.article-nav{display:flex;justify-content:space-between;gap:24px;margin-top:48px;padding-top:32px;border-top:1px solid var(--tl-border)}
.article-nav a{font-size:0.9rem;font-weight:500;color:var(--tl-primary)}
.article-nav a:hover{color:var(--tl-primary-dark)}
.breadcrumb{font-size:0.82rem;color:var(--tl-text-light);margin-bottom:24px}
.breadcrumb a{color:var(--tl-primary)}
.success-modal{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.4);z-index:10000;align-items:center;justify-content:center}
.success-modal.active{display:flex}
.success-modal-inner{background:var(--tl-card);padding:40px;border-radius:var(--tl-radius);text-align:center;max-width:400px;width:90%}
.success-modal-inner h3{font-size:1.1rem;margin-bottom:10px}
.success-modal-inner p{font-size:0.9rem;color:var(--tl-text-light)}
.page-content{padding:96px 0 60px}
.page-content .container{max-width:780px}
.page-content h1{font-size:1.8rem;font-weight:700;margin-bottom:24px;line-height:1.4}
.page-content h2{font-size:1.3rem;font-weight:600;margin:32px 0 14px;padding-left:14px;border-left:4px solid var(--tl-primary)}
.page-content h3{font-size:1.1rem;font-weight:600;margin:24px 0 10px}
.page-content p{font-size:0.95rem;color:var(--tl-text-light);line-height:1.85;margin-bottom:14px}
.page-content ul{margin:0 0 14px 24px;color:var(--tl-text-light);font-size:0.95rem}
.page-content ul li{margin-bottom:6px}
.list-header{text-align:center;margin-bottom:48px}
.list-header h1{font-size:1.8rem;font-weight:700;margin-bottom:12px}
.list-header p{font-size:0.95rem;color:var(--tl-text-light)}
.article-list{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.article-list .article-card{display:grid;grid-template-columns:200px 1fr;overflow:hidden}
.article-list .article-card-img{height:100%;min-height:180px;width:200px;object-fit:cover}
.article-list .article-card-body{padding:20px;display:flex;flex-direction:column;justify-content:center}
@media(max-width:900px){
.nav-links{display:none;flex-direction:column;position:absolute;top:64px;left:0;width:100%;background:var(--tl-card);border-bottom:1px solid var(--tl-border);padding:16px 24px;gap:12px;box-shadow:var(--tl-shadow)}
.nav-links.open{display:flex}
.nav-dropdown{position:static;box-shadow:none;border:none;padding-left:16px}
.hamburger{display:flex}
.hero-content h1{font-size:1.7rem}
.article-grid{grid-template-columns:1fr 1fr}
.advantages-grid{grid-template-columns:1fr 1fr}
.about-grid,.mission-grid{grid-template-columns:1fr}
.timeline-line{left:20px}
.timeline-node{left:20px}
.timeline-item,.timeline-item:nth-child(odd){flex-direction:row}
.timeline-content{width:calc(100% - 50px);margin-left:50px}
.footer-grid{grid-template-columns:1fr}
.contact-grid{grid-template-columns:1fr}
.article-list .article-card{grid-template-columns:1fr}
.article-list .article-card-img{height:180px;width:100%}
}
@media(max-width:600px){
.article-grid{grid-template-columns:1fr}
.advantages-grid{grid-template-columns:1fr}
.cookie-bar{flex-direction:column;text-align:center}
.hero{min-height:420px}
.hero-content h1{font-size:1.4rem}
.hero-content{padding:80px 16px 40px}
}