:root{--bg:#f6fbfd;--bg-2:#e9f4fa;--ink:#0e2338;--ink-2:#3a5068;--muted:#7a8899;--line:#ddeaf2;--sky:#00ade5;--sky-2:#0089b8;--sky-soft:#a8dff4;--wow:#ffc83a;--pop:#ff7a59;--leaf:#7bb582;--radius:20px;--radius-lg:28px;--shadow-sm:0 2px 10px #0e1a2b0d;--shadow:0 10px 30px #0e1a2b14;--shadow-lg:0 20px 60px #0e1a2b1f;--ease:cubic-bezier(.22, .61, .36, 1);--font-num:"Fredoka", sans-serif}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{color:var(--ink);background:var(--bg);font-feature-settings:"palt";font-family:Noto Sans JP,Hiragino Kaku Gothic Pro,ヒラギノ角ゴ Pro W3,ヒラギノ角ゴ Pro,メイリオ,游ゴシック体,Yu Gothic,YuGothic,Meiryo,sans-serif;line-height:1.7;overflow-x:hidden}html[lang=en] body{font-family:Fredoka,Noto Sans JP,-apple-system,sans-serif}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button{cursor:pointer;background:0 0;border:none;font-family:inherit}.container{max-width:1200px;margin:0 auto;padding:0 24px}.display{letter-spacing:-.02em;font-family:Fredoka,Zen Kaku Gothic Antique,sans-serif;font-weight:700;line-height:1.05}.eyebrow{letter-spacing:.18em;text-transform:uppercase;color:var(--ink-2);background:#00ade52e;border-radius:999px;align-items:center;gap:8px;margin-bottom:20px;padding:6px 14px;font-family:Fredoka,sans-serif;font-size:13px;font-weight:600;display:inline-flex}.eyebrow:before{content:"";background:var(--sky);border-radius:50%;width:6px;height:6px}header.site-header{z-index:100;transition:all .3s var(--ease);-webkit-backdrop-filter:blur();backdrop-filter:blur();background:#fbf7ee00;padding:16px 0;position:fixed;top:0;left:0;right:0}header.site-header.scrolled{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:var(--shadow-sm);background:#fbf7eed9}.nav{justify-content:space-between;align-items:center;gap:24px;display:flex}.brand{align-items:center;line-height:1;text-decoration:none;display:inline-flex}.brand-img{width:auto;height:56px;transition:opacity .2s var(--ease);display:block}.brand:hover .brand-img{opacity:.85}@media (width<=480px){.brand-img{height:44px}}.nav-links{align-items:center;gap:8px;display:flex}.nav-links a{color:var(--ink-2);transition:all .2s var(--ease);border-radius:999px;padding:8px 14px;font-size:14px;font-weight:500}.nav-links a:hover,.nav-links a[aria-current=page]{color:var(--ink);background:#0e1a2b0f}.nav-links a[aria-current=page]{color:var(--sky-2);background:#00ade51f}@media (width<=900px){.nav-links{display:none}}.nav-right{align-items:center;gap:12px;display:flex}.btn{transition:all .25s var(--ease);white-space:nowrap;border-radius:999px;align-items:center;gap:8px;padding:12px 22px;font-size:14px;font-weight:600;display:inline-flex}.btn-primary{background:var(--ink);color:#fff}.btn-primary:hover{background:var(--sky);box-shadow:var(--shadow);transform:translateY(-1px)}.btn-wow{background:var(--sky);color:#fff;box-shadow:0 8px 20px #00ade573}.btn-wow:hover{background:var(--sky-2);transform:translateY(-2px);box-shadow:0 12px 28px #0089b88c}.btn-outline{color:var(--ink);border:1.5px solid var(--ink);background:0 0}.btn-outline:hover{background:var(--ink);color:#fff}.btn-lg{padding:16px 30px;font-size:15px}.bg-clouds{pointer-events:none;z-index:0;position:absolute;inset:0}.bg-clouds .cloud{opacity:.95;filter:drop-shadow(0 6px 12px #0e1a2b0f);will-change:transform;display:block;position:absolute}.bg-clouds .cloud.-c1{width:180px;animation:12s ease-in-out infinite cloudDrift;top:6%;left:4%}.bg-clouds .cloud.-c2{width:130px;animation:5s ease-in-out .8s infinite cloudFloatUpDown;top:14%;right:8%}.bg-clouds .cloud.-c3{opacity:.8;width:100px;animation:6s ease-in-out 1.4s infinite cloudFloatUpDown;top:46%;left:40%}.bg-clouds .cloud.-c4{width:150px;animation:10s ease-in-out 2s infinite cloudDrift;bottom:12%;left:6%}.bg-clouds .cloud.-c5{width:200px;animation:14s ease-in-out infinite cloudDrift;bottom:20%;right:4%}.bg-clouds .cloud.-c6{opacity:.75;width:90px;animation:7s ease-in-out 2.5s infinite cloudFloatUpDown;top:60%;right:32%}@media (width<=768px){.bg-clouds .cloud.-c1{width:110px}.bg-clouds .cloud.-c2{width:80px}.bg-clouds .cloud.-c3{display:none}.bg-clouds .cloud.-c4{width:90px}.bg-clouds .cloud.-c5{width:120px}.bg-clouds .cloud.-c6{display:none}}@keyframes cloudDrift{0%{transform:translate(0)}25%{transform:translate(10px,-5px)}50%{transform:translate(20px)}75%{transform:translate(10px,5px)}to{transform:translate(0)}}@keyframes cloudFloatUpDown{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@media (prefers-reduced-motion:reduce){.bg-clouds .cloud{animation:none!important}}.reveal{opacity:0;transition:opacity .8s var(--ease), transform .8s var(--ease);transform:translateY(30px)}.reveal.in{opacity:1;transform:translateY(0)}.n{font-family:var(--font-num);letter-spacing:-.01em;font-feature-settings:"tnum" 1;font-weight:500}.nb{display:inline-block}h1,h2,h3,h4,.display{text-wrap:balance}p{text-wrap:pretty}html[lang=ja] h1,html[lang=ja] h2,html[lang=ja] h3,html[lang=ja] h4,html[lang=ja] p{line-break:strict;overflow-wrap:normal;word-break:normal}html[lang=ja] p{hanging-punctuation:allow-end}footer.site-footer{background:var(--ink);color:#fffc;padding:80px 0 40px}footer.site-footer .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:60px;margin-bottom:60px;display:grid}@media (width<=768px){footer.site-footer .footer-grid{grid-template-columns:1fr 1fr;gap:30px}}@media (width<=480px){footer.site-footer .footer-grid{grid-template-columns:1fr}}footer.site-footer .brand{color:#fff;margin-bottom:20px}footer.site-footer .brand-img{height:64px}.footer-tagline{color:#fff9;max-width:320px;margin-top:20px;font-size:14px}.footer-col h5{color:#fff;letter-spacing:.14em;text-transform:uppercase;margin-bottom:20px;font-family:Fredoka,sans-serif;font-size:13px;font-weight:600}.footer-col ul{list-style:none}.footer-col li{margin-bottom:10px}.footer-col a{color:#ffffffa6;transition:color .2s var(--ease);font-size:14px}.footer-col a:hover{color:var(--sky)}.footer-bottom{color:#ffffff73;border-top:1px solid #ffffff14;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:30px;font-size:12px;display:flex}.blog-shell{background:radial-gradient(circle at 15% 10%, #00ade547, transparent 45%), radial-gradient(circle at 90% 30%, #ffc83a24, transparent 45%), var(--bg);min-height:100vh;padding:140px 0 100px;position:relative;overflow:hidden}.blog-shell:before{content:"";opacity:.4;pointer-events:none;background-image:radial-gradient(circle,#0e23380f 1px,#0000 1px);background-size:24px 24px;position:absolute;inset:0}.blog-shell>.container{z-index:1;position:relative}@media (width<=768px){.blog-shell{padding:100px 0 64px}}.blog-hero{text-align:center;margin-bottom:72px}.blog-hero .eyebrow{margin-inline:auto}.blog-hero h1{margin:8px 0 20px;font-size:clamp(38px,6vw,68px)}.blog-hero p{color:var(--ink-2);max-width:620px;margin:0 auto;font-size:17px}.post-grid{grid-template-columns:repeat(3,1fr);gap:32px;display:grid}@media (width<=900px){.post-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=600px){.post-grid{grid-template-columns:1fr}}.post-card{border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:all .3s var(--ease);background:#fff;flex-direction:column;min-height:340px;display:flex;overflow:hidden}.post-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}.post-card-media{aspect-ratio:16/10;background:linear-gradient(135deg, var(--sky-soft), #ffc83a59);position:relative;overflow:hidden}.post-card-media img{object-fit:cover;width:100%;height:100%;transition:transform .6s var(--ease)}.post-card:hover .post-card-media img{transform:scale(1.05)}.post-card-media-placeholder{color:#fff;letter-spacing:.02em;opacity:.9;place-items:center;font-family:Fredoka,sans-serif;font-size:42px;font-weight:700;display:grid;position:absolute;inset:0}.post-card-body{flex-direction:column;flex:1;gap:12px;padding:24px 26px 28px;display:flex}.post-card-meta{letter-spacing:.06em;color:var(--muted);text-transform:uppercase;align-items:center;gap:10px;font-family:Fredoka,sans-serif;font-size:12px;display:flex}.post-card-cat{color:var(--sky-2);font-weight:600}.post-card-title{color:var(--ink);font-size:20px;font-weight:700;line-height:1.4}.post-card-excerpt{color:var(--ink-2);-webkit-line-clamp:3;-webkit-box-orient:vertical;font-size:14px;line-height:1.7;display:-webkit-box;overflow:hidden}.post-card-more{color:var(--sky-2);letter-spacing:.04em;margin-top:auto;font-family:Fredoka,sans-serif;font-size:13px;font-weight:600}.article-shell{background:var(--bg);padding:140px 0 100px;position:relative}@media (width<=768px){.article-shell{padding:100px 0 64px}}.article-container{max-width:780px;margin:0 auto;padding:0 24px}.article-back{color:var(--ink-2);transition:all .2s var(--ease);background:#0e1a2b0d;border-radius:999px;align-items:center;gap:6px;margin-bottom:32px;padding:8px 14px;font-family:Fredoka,sans-serif;font-size:13px;font-weight:600;display:inline-flex}.article-back:hover{color:var(--sky-2);background:#00ade51f}.article-header{margin-bottom:40px}.article-meta{color:var(--muted);letter-spacing:.06em;align-items:center;gap:12px;margin-bottom:16px;font-family:Fredoka,sans-serif;font-size:13px;display:flex}.article-meta a{color:var(--sky-2);font-weight:600}.article-title{letter-spacing:-.01em;color:var(--ink);margin-bottom:20px;font-size:clamp(32px,5vw,48px);font-weight:700;line-height:1.25}.article-lead{color:var(--ink-2);margin-bottom:32px;font-size:18px;line-height:1.75}.article-hero{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);aspect-ratio:16/9;background:var(--bg-2);margin-bottom:48px;overflow:hidden}.article-hero img{object-fit:cover;width:100%;height:100%}.prose{color:var(--ink);font-size:17px;line-height:1.9}.prose>*+*{margin-top:1.2em}.prose h2{color:var(--ink);margin-top:2em;padding-left:18px;font-size:28px;font-weight:700;line-height:1.35;position:relative}.prose h2:before{content:"";background:var(--sky);border-radius:999px;width:6px;position:absolute;top:.3em;bottom:.3em;left:0}.prose h3{color:var(--ink);margin-top:1.8em;font-size:22px;font-weight:700;line-height:1.4}.prose p{color:var(--ink)}.prose a{color:var(--sky-2);transition:all .2s var(--ease);border-bottom:1.5px solid #00ade559}.prose a:hover{color:var(--sky);border-bottom-color:var(--sky)}.prose strong{color:var(--ink);font-weight:700}.prose ul,.prose ol{padding-left:1.6em}.prose li+li{margin-top:.4em}.prose blockquote{border-left:4px solid var(--sky);color:var(--ink-2);background:#00ade50f;border-radius:0 12px 12px 0;padding:4px 0 4px 20px;font-style:normal}.prose img{border-radius:var(--radius);box-shadow:var(--shadow);margin:2em auto}.prose code{background:#0e1a2b0f;border-radius:6px;padding:2px 8px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em}.prose pre{background:var(--ink);color:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 24px;overflow-x:auto}.prose pre code{color:inherit;background:0 0;padding:0}.prose hr{border:none;border-top:1px dashed var(--line);margin:3em 0}.article-footer{border-top:1px dashed var(--line);margin-top:64px;padding-top:32px}.tag-chips{flex-wrap:wrap;gap:8px;margin-bottom:24px;display:flex}.tag-chip{color:var(--sky-2);transition:all .2s var(--ease);background:#00ade51a;border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600}.tag-chip:hover{background:var(--sky);color:#fff}.taxonomy-header{text-align:center;margin-bottom:56px}.taxonomy-header .eyebrow{margin-inline:auto}.taxonomy-header h1{margin:8px 0 12px;font-size:clamp(32px,5vw,48px)}.taxonomy-header p{color:var(--ink-2)}.blog-empty{text-align:center;color:var(--ink-2);padding:80px 24px}.blog-empty h2{color:var(--ink);margin-bottom:12px;font-size:22px}