:root{
--theme:#02a9dc;--theme-dark:#027da4;--theme-deep:#01475d;--theme-light:#f2fbfe;--theme-soft:#dff5fc;--theme-accent:#39c5ed;--theme-hover:#028fb9;--theme-border:rgba(2,169,220,.24);--header-bg:#02566f;--header-bg-2:#036d89;--text-main:#12313a;--text-muted:#56727b;--on-theme:#ffffff;--on-header:#f4fcff;--on-dark:#f4fcff;--white:#fff;--shadow-soft:0 14px 36px rgba(2,86,111,.18)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,"Helvetica Neue",sans-serif;color:var(--text-main);background:var(--theme-light);line-height:1.7}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.section{padding:64px 20px}.section-inner,.hero-inner,.header-inner{width:min(1180px,100%);margin:0 auto}.site-header{position:sticky;top:0;z-index:9999;background:linear-gradient(180deg,var(--header-bg) 0%,var(--header-bg-2) 100%);color:var(--on-header);box-shadow:var(--shadow-soft);border-bottom:1px solid var(--theme-border)}.header-inner{min-height:82px;display:grid;grid-template-columns:190px 1fr auto;align-items:center;gap:22px;padding:10px 20px}.site-logo{display:flex;align-items:center}.site-logo img{max-width:190px;max-height:62px;width:auto;height:auto;object-fit:contain;display:block}.desktop-nav{display:flex;align-items:center;justify-content:center;gap:18px;white-space:nowrap;font-size:14px;font-weight:700}.desktop-nav a{position:relative;padding:12px 0}.desktop-nav a:after{content:"";position:absolute;left:0;right:0;bottom:3px;height:2px;transform:scaleX(0);background:var(--theme-accent);transition:.2s}.desktop-nav a:hover:after,.desktop-nav a.active:after{transform:scaleX(1)}.header-login,.main-btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:12px 18px;font-weight:800;background:linear-gradient(180deg,var(--theme-accent) 0%,var(--theme) 48%,var(--theme-dark) 100%);color:var(--on-theme);box-shadow:0 10px 24px rgba(0,0,0,.16)}.header-login:hover,.main-btn:hover{filter:brightness(.97);transform:translateY(-1px)}.menu-toggle{display:none;border:0;background:transparent;padding:8px}.menu-toggle span{display:block;width:24px;height:2px;margin:5px 0;background:var(--on-header)}
.hero-section{background:linear-gradient(135deg,var(--theme-light),var(--theme-soft));padding:66px 20px 44px}.hero-inner{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);align-items:center;gap:56px}.hero-badge,.page-badge{display:inline-flex;border:1px solid var(--theme-border);background:var(--theme-soft);color:var(--theme-dark);padding:7px 13px;border-radius:999px;font-weight:800}.hero-content h1,.page-hero h1{font-size:clamp(42px,4.2vw,64px);line-height:1.08;letter-spacing:-.03em;margin:18px 0 22px;color:var(--theme-dark)}.hero-content p{max-width:760px;font-size:18px;line-height:1.8}.hero-tags,.category-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.hero-tags span,.category-pills a{border:1px solid var(--theme-border);background:rgba(255,255,255,.7);color:var(--theme-dark);padding:9px 14px;border-radius:999px;font-weight:700}.category-pills a:hover{background:var(--theme);color:var(--on-theme)}.hero-visual{display:flex;align-items:center;justify-content:center}.hero-media-box,.media-box,.app-visual,.card-media{display:flex;align-items:center;justify-content:center;overflow:visible}.hero-media-box{width:min(100%,540px);min-height:320px;max-height:420px;padding:34px;background:rgba(255,255,255,.72);border:1px solid var(--theme-border);border-radius:28px;box-shadow:var(--shadow-soft)}.hero-media-box img,.media-box img,.app-visual img,.card-media img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}.hero-media-box img{max-height:340px;opacity:1}.info-section{padding-top:36px}.info-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.info-card,.content-card,.topic-card,.faq-item,.feedback-card{background:var(--white);border:1px solid var(--theme-border);border-radius:20px;padding:24px;box-shadow:0 9px 22px rgba(2,86,111,.08)}.info-card>span{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:11px;background:var(--theme);color:var(--on-theme);font-weight:900}.info-card h2,.content-card h3,.topic-card h3{color:var(--theme-dark);margin:13px 0 8px}.section-title{max-width:760px;margin-bottom:28px}.section-title h2{font-size:clamp(28px,3vw,42px);line-height:1.2;color:var(--theme-dark);margin:0 0 12px}.section-title p{color:var(--text-muted);margin:0}.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.category-card{background:linear-gradient(180deg,var(--white),var(--theme-soft));border:1px solid var(--theme-border);border-radius:20px;padding:22px;min-height:220px}.category-card h3{color:var(--theme-dark);font-size:22px;margin:0 0 10px}.category-card a{display:inline-block;margin-top:10px;font-weight:800;color:var(--theme-dark)}.service-grid,.content-grid,.feedback-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.split-section{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}.media-box,.app-visual{min-height:320px;padding:24px;background:var(--theme-soft);border:1px solid var(--theme-border);border-radius:24px}.media-box img,.app-visual img{max-height:330px}.notice{background:var(--theme-soft);border:1px solid var(--theme-border);border-left:5px solid var(--theme-dark);padding:22px;border-radius:16px}.faq-list{display:grid;gap:14px}.faq-item h3{margin:0 0 8px;color:var(--theme-dark)}.page-hero{padding:58px 20px 36px;background:linear-gradient(135deg,var(--theme-light),var(--theme-soft))}.page-hero-inner{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);gap:40px;align-items:center}.page-hero p{font-size:18px;color:var(--text-muted)}.page-image{min-height:300px;background:rgba(255,255,255,.72);border:1px solid var(--theme-border);border-radius:24px;padding:28px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-soft)}.page-image img{max-height:300px;width:auto;height:auto;object-fit:contain}.article-section{padding:50px 20px}.article-copy h2{font-size:32px;color:var(--theme-dark);margin:0 0 16px}.article-copy p{margin:0 0 18px}.point-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.point-card{background:var(--white);border:1px solid var(--theme-border);border-radius:18px;padding:22px}.point-card h3{color:var(--theme-dark);margin-top:0}.related-links{display:flex;flex-wrap:wrap;gap:10px}.related-links a{padding:9px 13px;border-radius:12px;border:1px solid var(--theme-border);background:var(--white);font-weight:700;color:var(--theme-dark)}.site-footer{background:var(--theme-deep);color:var(--on-dark);padding:52px 20px 24px;margin-top:50px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}.footer-grid h2{font-size:18px;margin-top:0}.footer-grid a{display:block;margin:7px 0}.footer-logo{max-width:180px;max-height:70px;object-fit:contain}.footer-note{border-top:1px solid rgba(255,255,255,.22);margin-top:32px;padding-top:22px;font-size:14px}.mobile-drawer{position:fixed;left:0;top:0;bottom:0;width:min(86vw,340px);z-index:10001;background:var(--theme-deep);color:var(--on-dark);padding:20px;transform:translateX(-105%);transition:.25s;box-shadow:var(--shadow-soft)}.mobile-drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:20px}.drawer-head img{max-width:170px;max-height:60px;object-fit:contain}.drawer-close{font-size:34px;color:var(--on-dark);background:none;border:0}.mobile-drawer nav{margin-top:24px}.mobile-drawer nav a{display:block;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.15)}.drawer-backdrop{position:fixed;inset:0;z-index:10000;background:rgba(1,71,93,.48);opacity:0;visibility:hidden;transition:.2s}.drawer-backdrop.show{opacity:1;visibility:visible}.drawer-open{overflow:hidden}
@media(max-width:1050px){.desktop-nav{display:none}.menu-toggle{display:block}.header-inner{grid-template-columns:48px 1fr auto}.site-logo{justify-content:center}.hero-inner,.page-hero-inner{grid-template-columns:1fr 1fr;gap:30px}.category-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.section,.article-section{padding:42px 16px}.header-inner{min-height:68px;padding:8px 12px;gap:8px}.site-logo img{max-width:140px;max-height:48px}.header-login{padding:9px 10px;font-size:12px}.hero-section{padding:44px 16px 30px}.hero-inner,.page-hero-inner,.split-section{grid-template-columns:1fr}.hero-content h1,.page-hero h1{font-size:clamp(34px,10vw,48px)}.hero-media-box{min-height:230px;padding:22px}.hero-media-box img{max-height:240px}.info-grid,.service-grid,.content-grid,.feedback-grid,.point-grid{grid-template-columns:1fr}.category-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.page-image{min-height:240px}.page-image img{max-height:240px}}

.banner-section{padding:34px 20px 24px;background:linear-gradient(180deg,var(--theme-light) 0%,var(--theme-soft) 100%)}
.banner-section .section-inner{width:min(1360px,calc(100% - 40px));margin:0 auto}
.banner-carousel{position:relative;width:100%;overflow:hidden;border-radius:24px;background:var(--theme-soft);border:1px solid var(--theme-border);box-shadow:var(--shadow-soft)}
.banner-slide{display:none;align-items:center;justify-content:center;width:100%}
.banner-slide.active{display:flex}
.banner-slide img{display:block;width:100%;height:auto;max-height:600px;object-fit:contain}
.banner-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:4;width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.65);background:rgba(1,71,93,.72);color:#fff;font-size:30px;line-height:1;cursor:pointer}
.banner-prev{left:16px}.banner-next{right:16px}.banner-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:8px;z-index:5}.banner-dots button{width:10px;height:10px;border-radius:50%;border:1px solid rgba(255,255,255,.9);background:rgba(255,255,255,.5);padding:0;cursor:pointer}.banner-dots button.active{background:var(--theme-accent)}
.intro-section{padding:28px 20px 24px;background:var(--theme-light)}.intro-card{width:min(1180px,100%);margin:0 auto;background:var(--white);border:1px solid var(--theme-border);border-left:5px solid var(--theme);border-radius:20px;padding:26px 28px;box-shadow:var(--shadow-soft)}.intro-card h2{margin:0 0 10px;color:var(--theme-dark);font-size:26px}.intro-card p{margin:0;color:var(--text-muted)}
.headline-section{padding:48px 20px 30px;background:linear-gradient(180deg,var(--theme-light),var(--white))}.headline-inner{width:min(1180px,100%);margin:0 auto}.headline-inner h1{max-width:900px;font-size:clamp(38px,4vw,60px);line-height:1.1;letter-spacing:-.03em;color:var(--theme-dark);margin:0 0 20px}.headline-inner p{max-width:880px;font-size:18px;line-height:1.8;color:var(--text-muted)}
@media(max-width:760px){.banner-section{padding:18px 10px 14px}.banner-section .section-inner{width:100%}.banner-carousel{border-radius:14px}.banner-arrow{width:36px;height:36px;font-size:24px}.banner-prev{left:8px}.banner-next{right:8px}.banner-dots{bottom:8px}.intro-section{padding:22px 16px 18px}.intro-card{padding:20px}.headline-section{padding:34px 16px 24px}.headline-inner h1{font-size:clamp(32px,9vw,46px)}}