:root{--zel-bg: #0b1120;--zel-surface: #131e30;--zel-surface-2: #1a2740;--zel-border: #1e3050;--zel-border-2: #2a3f63;--zel-cyan: #06b6d4;--zel-cyan-dim: #0891b2;--zel-cyan-bright: #22d3ee;--zel-cyan-glow: rgba(6, 182, 212, .15);--zel-cyan-glow-strong: rgba(6, 182, 212, .4);--zel-violet: #7c3aed;--zel-violet-glow: rgba(124, 58, 237, .15);--zel-text: #f1f5f9;--zel-text-2: #94a3b8;--zel-text-muted: #475569;--zel-success: #10b981;--zel-warning: #f59e0b;--zel-error: #ef4444;--zel-font-sans: var(--font-noto-sans-jp), "Noto Sans JP", system-ui, -apple-system, "Hiragino Sans", "Yu Gothic UI", "Meiryo", sans-serif;--zel-font-mono: var(--font-jetbrains-mono), "JetBrains Mono", "SF Mono", ui-monospace, monospace;--zel-font: var(--zel-font-sans);--zel-fs-display: clamp(2.5rem, 6vw, 4.5rem);--zel-fs-h1: clamp(2.5rem, 6vw, 4.5rem);--zel-fs-h2: clamp(1.75rem, 4vw, 2.75rem);--zel-fs-h3: 1.25rem;--zel-fs-h4: 1.0625rem;--zel-fs-body: 1rem;--zel-fs-small: .875rem;--zel-fs-caption: .75rem;--zel-lh-tight: 1.15;--zel-lh-snug: 1.35;--zel-lh-body: 1.8;--zel-ls-tight: -.02em;--zel-ls-snug: -.01em;--zel-ls-normal: 0;--zel-ls-wide: .04em;--zel-space-1: 4px;--zel-space-2: 8px;--zel-space-3: 12px;--zel-space-4: 16px;--zel-space-5: 24px;--zel-space-6: 32px;--zel-space-7: 48px;--zel-space-8: 64px;--zel-space-9: 96px;--zel-space-10: 128px;--zel-section-y: 56px;--zel-section-y-sm: 40px;--zel-container: 1200px;--zel-gutter: 24px;--zel-r-sm: .375rem;--zel-r-md: .5rem;--zel-r-lg: .75rem;--zel-r-xl: 1rem;--zel-r-full: 9999px;--zel-glow-cta: 0 0 32px rgba(6, 182, 212, .4);--zel-glow-card: 0 0 0 1px rgba(6, 182, 212, .3), 0 8px 32px rgba(6, 182, 212, .12);--zel-glow-soft: 0 0 24px rgba(6, 182, 212, .18);--zel-ease: cubic-bezier(.16, 1, .3, 1);--zel-ease-in: cubic-bezier(.7, 0, .84, 0);--zel-dur-fast: .15s;--zel-dur: .3s;--zel-dur-slow: .6s;--zel-header-h: 72px}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}html,body{background:var(--zel-bg);color:var(--zel-text);font-family:var(--zel-font-sans);font-size:var(--zel-fs-body);line-height:var(--zel-lh-body);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body{margin:0}::selection{background:var(--zel-cyan);color:var(--zel-bg)}a{color:var(--zel-cyan);text-decoration:none;transition:opacity var(--zel-dur) var(--zel-ease)}a:hover{opacity:1}.zel-container{width:100%;max-width:var(--zel-container);margin:0 auto;padding:0 var(--zel-gutter)}.zel-section{padding:var(--zel-section-y) 0;scroll-margin-top:var(--zel-header-h);position:relative}.zel-section--surface{background:linear-gradient(180deg,transparent,rgba(19,30,48,.5),transparent)}.zel-section__head{text-align:center;margin-bottom:32px;max-width:720px;margin-left:auto;margin-right:auto}@media(max-width:768px){.zel-section{padding:var(--zel-section-y-sm) 0}.zel-container{padding:0 24px}}h1.zel-h1,.zel-h1{font-size:clamp(1.75rem,4vw,2.75rem);font-weight:900;line-height:1.25;letter-spacing:var(--zel-ls-tight);color:var(--zel-text);margin:0 0 24px}.zel-h2,h2.zel-h2{font-size:var(--zel-fs-h2);font-weight:700;line-height:1.2;letter-spacing:var(--zel-ls-snug);color:var(--zel-text);margin:0 0 16px}.zel-h3,h3.zel-h3{font-size:var(--zel-fs-h3);font-weight:700;color:var(--zel-text);margin:0 0 12px;line-height:1.4}.zel-h4,h4.zel-h4{font-size:var(--zel-fs-h4);font-weight:700;color:var(--zel-text);margin:0 0 8px;line-height:1.4}.zel-lead{font-size:1.125rem;font-weight:400;line-height:1.7;color:var(--zel-text-2);margin:0}.zel-body{font-size:var(--zel-fs-body);font-weight:400;line-height:var(--zel-lh-body);color:var(--zel-text-2);margin:0}.zel-caption{font-size:.8125rem;color:var(--zel-text-muted);line-height:1.6;letter-spacing:var(--zel-ls-wide)}.zel-eyebrow{font-family:var(--zel-font-mono);font-size:1rem;letter-spacing:.06em;color:var(--zel-cyan);text-transform:uppercase;margin-bottom:14px;font-weight:500}.zel-mono,code,kbd,pre{font-family:var(--zel-font-mono);font-feature-settings:"tnum"}.zel-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--zel-r-md);font-family:inherit;font-weight:700;font-size:.9375rem;line-height:1;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:all .2s ease;white-space:nowrap}.zel-btn-primary{background:var(--zel-cyan);color:var(--zel-bg);box-shadow:var(--zel-glow-cta)}.zel-btn-primary:hover{background:var(--zel-cyan-bright);transform:translateY(-1px);box-shadow:0 0 40px #06b6d48c;opacity:1}.zel-btn-primary:active{transform:translateY(0);background:var(--zel-cyan-dim)}.zel-btn-ghost{background:transparent;color:var(--zel-cyan);border-color:var(--zel-cyan)}.zel-btn-ghost:hover{background:#06b6d414;opacity:1}.zel-card{background:var(--zel-surface);border:1px solid var(--zel-border);border-radius:var(--zel-r-lg);padding:32px;transition:transform var(--zel-dur) var(--zel-ease),border-color var(--zel-dur) var(--zel-ease),box-shadow var(--zel-dur) var(--zel-ease)}.zel-card:hover{transform:translateY(-4px);border-color:#06b6d466;box-shadow:0 0 32px #06b6d41f}.zel-chip{display:inline-flex;align-items:center;justify-content:center;height:32px;padding:0 14px;border-radius:var(--zel-r-full);background:#06b6d41a;color:var(--zel-cyan);font-family:var(--zel-font-sans);font-size:.8125rem;font-weight:500;line-height:1;letter-spacing:.02em;border:1px solid rgba(6,182,212,.2);white-space:nowrap}.zel-input{width:100%;background:var(--zel-bg);border:1px solid var(--zel-border);border-radius:var(--zel-r-md);padding:12px 14px;color:var(--zel-text);font-family:inherit;font-size:.9375rem;line-height:1.5;text-transform:none;letter-spacing:0;transition:border-color .2s ease,box-shadow .2s ease}.zel-input:focus{outline:none;border-color:var(--zel-cyan);box-shadow:0 0 0 3px var(--zel-cyan-glow)}.zel-input::placeholder{color:var(--zel-text-muted)}textarea.zel-input{resize:vertical;min-height:100px}.zel-req{color:var(--zel-cyan);margin-left:4px}.zel-opt{color:var(--zel-text-muted);font-size:.6875rem;margin-left:4px}.zel-label-head{display:inline-flex;align-items:baseline;gap:0}.zel-fade-in{opacity:0;transform:translateY(24px);transition:opacity var(--zel-dur-slow) ease,transform var(--zel-dur-slow) ease}.zel-fade-in.is-visible{opacity:1;transform:translateY(0)}.zel-wip{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;background:#7c3aed1f;color:#a78bfa;border:1px solid rgba(124,58,237,.35);font-family:var(--zel-font-mono);font-size:.6875rem;font-weight:500;letter-spacing:.06em}.zel-wip:before{content:"";width:6px;height:6px;border-radius:50%;background:#a78bfa;box-shadow:0 0 8px #a78bfacc;animation:zel-wip-pulse 1.6s ease-in-out infinite}.zel-wip--sm{height:18px;padding:0 7px;font-size:.625rem;gap:4px}.zel-wip--sm:before{width:4px;height:4px}@keyframes zel-wip-pulse{0%,to{opacity:.5}50%{opacity:1}}.zel-header{position:fixed;top:0;left:0;right:0;z-index:50;transition:background .2s ease,border-color .2s ease,backdrop-filter .2s ease;border-bottom:1px solid transparent}.zel-header.is-scrolled{background:#0b1120bf;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom-color:var(--zel-border)}.zel-header__inner{display:flex;align-items:center;justify-content:space-between;height:var(--zel-header-h)}.zel-header__mark{display:inline-flex;align-items:baseline;font-weight:900;font-size:1.625rem;letter-spacing:-.04em;color:var(--zel-text);text-decoration:none;line-height:1;transition:opacity .2s ease}.zel-header__mark:after{content:".";color:var(--zel-cyan);margin-left:.05em;text-shadow:0 0 8px rgba(6,182,212,.9),0 0 16px rgba(6,182,212,.7),0 0 32px rgba(6,182,212,.4);transition:text-shadow .3s var(--zel-ease)}.zel-header__mark:hover{opacity:1}.zel-header__mark:hover:after{text-shadow:0 0 12px rgba(6,182,212,1),0 0 24px rgba(6,182,212,.9),0 0 48px rgba(6,182,212,.5)}.zel-header__nav{display:flex;align-items:center;gap:32px}.zel-header__nav a{color:var(--zel-text-2);text-decoration:none;font-size:1rem;font-weight:500;transition:color .2s ease}.zel-header__nav a:hover{color:var(--zel-text);opacity:1}.zel-header__nav-ext{display:inline-flex;align-items:center;gap:4px;color:var(--zel-cyan)!important;font-family:var(--zel-font-mono);font-size:.875rem!important}.zel-header__cta{height:44px;padding:0 22px;font-size:.9375rem}@media(max-width:920px){.zel-header__nav{display:none}}.zel-hero{position:relative;padding:160px 0 96px;overflow:hidden}.zel-hero__bg{position:absolute;inset:0;pointer-events:none}.zel-blob{position:absolute;border-radius:50%;filter:blur(120px)}.zel-blob--cyan{background:radial-gradient(circle,rgba(6,182,212,.7),transparent 70%);animation:zel-pulse 10s ease-in-out infinite}.zel-blob--violet{background:radial-gradient(circle,rgba(124,58,237,.55),transparent 70%);animation:zel-pulse 12s ease-in-out infinite reverse;animation-delay:-3s}@keyframes zel-pulse{0%,to{transform:translateZ(0) scale(1)}50%{transform:translate3d(20px,-30px,0) scale(1.08)}}.zel-hero__inner{position:relative;max-width:980px}.zel-hero__sub{max-width:600px;margin-bottom:48px}.zel-hero__stats{display:flex;gap:64px;padding:32px 0;border-top:1px solid var(--zel-border);border-bottom:1px solid var(--zel-border);margin-bottom:40px;flex-wrap:wrap}.zel-hero__stats>div{display:flex;flex-direction:column;gap:8px}.zel-hero__stats span{font-size:.9375rem;letter-spacing:.02em;color:var(--zel-text-2)}.zel-hero__stats b{font-size:1.5rem;font-weight:900;color:var(--zel-text);letter-spacing:-.015em;line-height:1.2}.zel-hero__stats>div:nth-child(2) b{color:var(--zel-cyan)}.zel-hero__cta{display:flex;gap:14px;flex-wrap:wrap}.zel-pp__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:48px}@media(max-width:720px){.zel-pp__grid{grid-template-columns:1fr}}.zel-pp__card{position:relative}.zel-pp__num{font-family:var(--zel-font-mono);font-size:1.125rem;color:var(--zel-cyan);letter-spacing:.02em;margin-bottom:16px;font-weight:700}.zel-pp__closer{text-align:center;margin-top:56px;font-size:1.125rem;color:var(--zel-text);font-weight:500;line-height:1.7}.zel-srv__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}@media(max-width:800px){.zel-srv__grid{grid-template-columns:1fr}}.zel-srv__icon{width:48px;height:48px;border-radius:var(--zel-r-md);background:#06b6d41a;color:var(--zel-cyan);display:grid;place-items:center;margin-bottom:20px;border:1px solid rgba(6,182,212,.2)}.zel-srv__main-grid{display:grid;grid-template-columns:1fr 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li:before{content:"→";position:absolute;left:0;color:var(--zel-cyan);font-weight:700}.zel-srv__cta-row{margin-top:24px;display:flex;flex-wrap:wrap;gap:8px 32px}.zel-srv__cta-link{display:inline-flex;align-items:center;padding:8px 0;font-size:.9375rem;font-weight:600;color:var(--zel-cyan);letter-spacing:.04em;text-decoration:none;border-bottom:1px solid transparent;transition:border-color var(--zel-dur) var(--zel-ease)}.zel-srv__cta-link:hover{border-bottom-color:var(--zel-cyan);opacity:1}.zel-srv__sub-label{text-align:center;margin-bottom:24px}.zel-srv__sub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}@media(max-width:900px){.zel-srv__sub-grid{grid-template-columns:1fr}}.zel-srv__card{display:flex;flex-direction:column}.zel-srv__card .zel-body{flex:1;margin-bottom:20px}.zel-srv__tags{display:flex;gap:8px;flex-wrap:wrap}.zel-why__table{display:grid;gap:1px;background:var(--zel-border);border:1px solid var(--zel-border);border-radius:var(--zel-r-lg);overflow:hidden;margin-top:32px}.zel-why__row{display:grid;grid-template-columns:1.2fr 1fr 1fr 1.2fr;background:var(--zel-surface)}.zel-why__row>div{padding:22px 26px;display:flex;align-items:center;font-size:1.125rem;color:var(--zel-text-2)}.zel-why__row--head>div{background:var(--zel-bg);font-family:var(--zel-font-mono);font-size:1rem;letter-spacing:.06em;color:var(--zel-text-2);font-weight:500}.zel-why__row--head .zel-why__zel{color:var(--zel-cyan)}.zel-why__accent{color:var(--zel-cyan);font-weight:700}.zel-why__axis{font-weight:700;color:var(--zel-text)!important}.zel-why__cell--meh{color:var(--zel-text-muted)}.zel-why__cell--good{background:#06b6d40f!important;color:var(--zel-text)!important;font-weight:500;border-left:1px solid rgba(6,182,212,.15)}@media(max-width:720px){.zel-why__table{gap:12px;background:transparent;border:none;border-radius:0}.zel-why__row--head{display:none}.zel-why__row{display:block;border:1px solid var(--zel-border);border-radius:var(--zel-r-lg);overflow:hidden}.zel-why__row>div{padding:12px 16px;font-size:.9375rem}.zel-why__axis{background:var(--zel-bg);font-size:1rem!important;padding:14px 16px!important;border-bottom:1px solid var(--zel-border)}.zel-why__cell{display:flex!important;justify-content:space-between;align-items:center;gap:12px}.zel-why__cell:before{content:attr(data-label);color:var(--zel-text-muted);font-size:.8125rem;font-weight:500;flex-shrink:0}.zel-why__cell--good{border-left:none!important;border-top:1px solid rgba(6,182,212,.2)}.zel-why__cell--good:before{color:var(--zel-cyan);font-weight:700}}.zel-price__wrap{text-align:center}.zel-price__anchor{display:inline-flex;align-items:baseline;gap:8px;margin:32px 0}.zel-price__num{font-family:var(--zel-font-mono);font-weight:900;font-size:clamp(2.5rem,7vw,4.5rem);color:var(--zel-cyan);line-height:1;letter-spacing:-.04em;text-shadow:0 0 60px rgba(6,182,212,.25)}.zel-price__unit{font-size:1.5rem;font-weight:500;color:var(--zel-text-2)}.zel-price__note{margin-top:40px;padding:24px;background:var(--zel-surface);border:1px solid var(--zel-border);border-radius:var(--zel-r-lg);color:var(--zel-text-2);font-size:.9375rem;max-width:560px;margin-left:auto;margin-right:auto}.zel-works__featured{margin-bottom:24px;display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;background:linear-gradient(135deg,rgba(6,182,212,.06),var(--zel-surface) 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a:hover{text-decoration:underline}.zel-about__grid{display:grid;grid-template-columns:1.2fr 1fr;gap:56px;align-items:start}@media(max-width:920px){.zel-about__grid{grid-template-columns:1fr}}.zel-about__msg{font-size:1.0625rem;line-height:1.9;margin:24px 0 40px}.zel-about__values{display:grid;gap:24px}.zel-about__value{display:flex;gap:16px}.zel-about__bullet{width:28px;height:28px;border-radius:999px;background:#06b6d41f;color:var(--zel-cyan);display:grid;place-items:center;flex-shrink:0;margin-top:2px;border:1px solid rgba(6,182,212,.3)}.zel-about__info dl{display:grid;gap:16px;margin:16px 0 0}.zel-about__info dl>div{display:grid;grid-template-columns:80px 1fr;padding-bottom:14px;border-bottom:1px solid var(--zel-border)}.zel-about__info dl>div:last-child{border-bottom:none}.zel-about__info dt{font-family:var(--zel-font-mono);font-size:.6875rem;color:var(--zel-text-muted);letter-spacing:.08em;text-transform:uppercase;padding-top:4px}.zel-about__info dd{margin:0;color:var(--zel-text);font-weight:500}.zel-contact__grid{display:grid;grid-template-columns:1.4fr 1fr;gap:32px}@media(max-width:900px){.zel-contact__grid{grid-template-columns:1fr}}.zel-contact__form{display:grid;gap:20px}.zel-field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media(max-width:600px){.zel-field-row{grid-template-columns:1fr}}.zel-contact__form label{display:grid;gap:8px;font-family:var(--zel-font-mono);font-size:.6875rem;letter-spacing:.08em;color:var(--zel-text-muted);text-transform:uppercase}.zel-contact__next{display:grid;gap:20px;align-content:start;padding:32px;background:var(--zel-surface);border:1px solid var(--zel-border);border-radius:var(--zel-r-lg)}.zel-step{display:flex;gap:16px;align-items:flex-start}.zel-step__num{flex-shrink:0;width:32px;height:32px;border-radius:999px;background:#06b6d41f;border:1px solid rgba(6,182,212,.4);color:var(--zel-cyan);display:grid;place-items:center;font-family:var(--zel-font-mono);font-weight:700;font-size:.875rem}.zel-step__body{color:var(--zel-text);font-size:.9375rem;line-height:1.6;padding-top:4px}.zel-copyable-email{display:inline-flex;align-items:center;gap:8px;font-family:var(--zel-font-mono)}.zel-copyable-email[data-size=md]{font-size:1rem}.zel-copyable-email[data-size=sm]{font-size:.8125rem}.zel-copyable-email__link{display:inline-flex;align-items:center;gap:6px;color:var(--zel-cyan);text-decoration:none;letter-spacing:.01em;transition:opacity .2s ease}.zel-copyable-email__link:hover{opacity:.85}.zel-copyable-email__btn{position:relative;display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;padding:0;background:#06b6d414;border:1px solid rgba(6,182,212,.25);border-radius:var(--zel-r-sm);color:var(--zel-cyan);cursor:pointer;transition:background .2s ease,border-color .2s ease,transform .15s 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1fr;gap:48px;padding-bottom:48px}@media(max-width:720px){.zel-footer__inner{grid-template-columns:1fr;gap:32px}}.zel-footer__mark{font-weight:900;font-size:1.5rem;letter-spacing:.06em;color:var(--zel-text);margin-bottom:16px}.zel-footer__mail{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-family:var(--zel-font-mono);font-size:.8125rem;color:var(--zel-cyan);text-decoration:none}.zel-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}.zel-footer ul a{color:var(--zel-text-2);text-decoration:none;font-size:.875rem;display:inline-flex;align-items:center;gap:6px}.zel-footer ul a:hover{color:var(--zel-cyan);opacity:1}.zel-footer__legal{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;padding-top:24px;border-top:1px solid var(--zel-border);font-size:.8125rem;color:var(--zel-text-2);font-family:var(--zel-font-mono)}.zel-footer__legal 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rgba(6,182,212,.3);font-size:.8125rem;color:var(--zel-cyan);font-weight:500}.zel-process-details{margin-top:32px;border:1px solid var(--zel-border);border-radius:var(--zel-r-md);background:var(--zel-surface)}.zel-process-details summary{padding:16px 24px;cursor:pointer;font-size:.9375rem;font-weight:600;color:var(--zel-cyan);list-style:none;display:flex;align-items:center;gap:8px}.zel-process-details summary:before{content:"▸";display:inline-block;transition:transform .2s ease}.zel-process-details[open] summary:before{transform:rotate(90deg)}.zel-process-details summary::-webkit-details-marker{display:none}.zel-process-details .zel-tree{margin:0;border-radius:0;border:none;border-top:1px solid var(--zel-border)}