:root{--color-primary: #1a1a1a;--color-primary-light: #2d2d2d;--color-accent: #f97316;--color-accent-light: #fb923c;--color-accent-dark: #ea580c;--color-text: #1e293b;--color-text-light: #64748b;--color-bg: #ffffff;--color-bg-alt: #fffbf5;--color-bg-dark: #111111;--color-border: #e5e5e5;--color-gradient: linear-gradient(135deg, #f97316 0%, #f59e0b 50%, #ef4444 100%);--color-gradient-dark: linear-gradient(135deg, #1a1a1a 0%, #2d1f0e 50%, #1a1a1a 100%);--font-sans: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans", sans-serif;--font-serif: "Noto Serif JP", "Yu Mincho", "游明朝", serif;--section-padding: 100px 0;--container-width: 1100px;--container-padding: 0 24px;--transition: .3s cubic-bezier(.4, 0, .2, 1);--transition-slow: .6s cubic-bezier(.4, 0, .2, 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.section-label{color:var(--color-accent-light)}.section-title{font-family:var(--font-serif);font-size:clamp(28px,5vw,42px);font-weight:700;line-height:1.3;letter-spacing:1px}.section-title:after{content:"";display:block;width:48px;height:3px;background:var(--color-gradient);margin:20px auto 0;border-radius:2px}.section-subtitle{font-size:15px;color:var(--color-text-light);margin-top:16px;max-width:600px;margin-left:auto;margin-right:auto}.section-dark .section-subtitle{color:#94a3b8}.fade-in{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s ease}.fade-in.visible{opacity:1;transform:translateY(0)}.fade-in-left{opacity:0;transform:translate(-40px);transition:opacity .8s ease,transform .8s ease}.fade-in-left.visible{opacity:1;transform:translate(0)}.fade-in-right{opacity:0;transform:translate(40px);transition:opacity .8s ease,transform .8s ease}.fade-in-right.visible{opacity:1;transform:translate(0)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 36px;font-size:14px;font-weight:600;letter-spacing:1px;border-radius:4px;border:none;cursor:pointer;transition:var(--transition);min-height:48px}.btn-primary{background:var(--color-gradient);color:#fff;background-size:200% 200%;background-position:0% 0%}.btn-primary:hover{background-position:100% 100%;transform:translateY(-2px);box-shadow:0 8px 24px #3b82f64d}.btn-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.4)}.btn-outline:hover{border-color:#fff;background:#ffffff1a}@media(max-width:768px){:root{--section-padding: 64px 0}.section-header{margin-bottom:40px}}.header[data-astro-cid-sckkx6r4]{position:fixed;top:0;left:0;right:0;z-index:1000;background:#fff7edf2;backdrop-filter:blur(12px);border-bottom:1px solid 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24px;display:flex;align-items:center;justify-content:space-between;height:72px}.logo[data-astro-cid-sckkx6r4]{display:flex;align-items:center}.logo-img[data-astro-cid-sckkx6r4]{height:40px;width:auto}.nav[data-astro-cid-sckkx6r4]{display:flex;gap:32px}.nav-link[data-astro-cid-sckkx6r4]{color:#64748b;font-size:13px;font-weight:600;letter-spacing:1px;transition:var(--transition);position:relative}.nav-link[data-astro-cid-sckkx6r4]:after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--color-accent);transition:var(--transition)}.nav-link[data-astro-cid-sckkx6r4]:hover{color:var(--color-accent)}.nav-link[data-astro-cid-sckkx6r4]:hover:after{width:100%}.hamburger[data-astro-cid-sckkx6r4]{display:none;background:none;border:none;cursor:pointer;padding:8px;z-index:1001}.hamburger[data-astro-cid-sckkx6r4] span[data-astro-cid-sckkx6r4]{display:block;width:24px;height:2px;background:#333;margin:5px 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rgba(249,115,22,.1)}.footer-logo[data-astro-cid-sckkx6r4]{display:flex;align-items:center;margin-bottom:12px}.footer-logo-img[data-astro-cid-sckkx6r4]{height:32px;width:auto}.footer-desc[data-astro-cid-sckkx6r4]{font-size:13px;line-height:1.6;color:var(--color-text-light)}.footer-nav[data-astro-cid-sckkx6r4]{display:flex;flex-direction:column;gap:12px}.footer-nav[data-astro-cid-sckkx6r4] a[data-astro-cid-sckkx6r4]{font-size:13px;color:var(--color-text-light);transition:var(--transition)}.footer-nav[data-astro-cid-sckkx6r4] a[data-astro-cid-sckkx6r4]:hover{color:var(--color-accent)}.footer-contact[data-astro-cid-sckkx6r4] p[data-astro-cid-sckkx6r4]{font-size:13px;margin-bottom:4px;color:var(--color-text-light)}.footer-bottom[data-astro-cid-sckkx6r4]{padding:24px 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