:root{color-scheme:light;--color-bg: #fafaf8;--color-surface: #ffffff;--color-surface-subtle: #f4f5f2;--color-ink: #171816;--color-ink-soft: #5d615b;--color-ink-muted: #777b75;--color-line: #e3e5df;--color-line-strong: #c9cdc5;--color-accent: #3157d5;--color-accent-hover: #2748b6;--color-accent-subtle: #eef2ff;--color-accent-ink: #243d91;--font-body: Inter, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Yu Gothic", Meiryo, sans-serif;--font-mono: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;--container: 1200px;--reading: 720px;--gutter: clamp(20px, 4vw, 52px);--section-space: clamp(80px, 10vw, 144px);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--shadow-media: 0 32px 80px -55px rgba(15, 25, 44, .28)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:92px}body{margin:0;background:var(--color-bg);color:var(--color-ink);font-family:var(--font-body);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body,button,input,textarea,select{font-size:16px}button,input,textarea,select{font-family:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}p,h1,h2,h3,h4,figure{margin:0}img,svg{display:block}img{max-width:100%;height:auto}::selection{color:#fff;background:var(--color-accent)}:focus-visible{outline:3px solid var(--color-accent);outline-offset:4px}.container{width:min(100% - var(--gutter) * 2,var(--container));margin-inline:auto}.section{padding-block:var(--section-space)}.section--compact{padding-block:clamp(56px,7vw,96px)}.section-head{max-width:820px;margin-bottom:clamp(38px,5vw,66px)}.eyebrow{display:inline-flex;align-items:center;gap:12px;margin-bottom:24px;color:var(--color-accent-ink);font-family:var(--font-mono);font-size:12px;font-weight:500;letter-spacing:.12em;line-height:1.6;text-transform:uppercase}.eyebrow:before{display:block;width:20px;height:1px;background:var(--color-accent);content:""}.display{font-size:clamp(46px,5.5vw,80px);font-weight:600;letter-spacing:-.045em;line-height:1.2}.heading-xl{font-size:clamp(34px,4vw,56px);font-weight:600;letter-spacing:-.04em;line-height:1.32;overflow-wrap:anywhere}.heading-lg{font-size:clamp(26px,3vw,38px);font-weight:600;letter-spacing:-.04em;line-height:1.36}.body-lg{color:var(--color-ink-soft);font-size:clamp(16px,1.45vw,18px);line-height:1.95}.body{color:var(--color-ink-soft);font-size:16px;line-height:1.9}.text-link{display:inline-flex;align-items:center;gap:12px;width:fit-content;min-height:44px;color:var(--color-accent-ink);font-size:14px;font-weight:600;transition:gap .18s ease,color .18s ease}.text-link:hover{gap:17px;color:var(--color-accent)}.text-link--light{color:#dce6ff}.text-link--light:hover{color:#fff}.btn{display:inline-flex;align-items:center;justify-content:center;gap:16px;min-height:48px;padding:11px 22px;border:1px solid transparent;border-radius:var(--radius-md);font-size:14px;font-weight:600;line-height:1.5;white-space:nowrap;transition:background .18s ease,border-color .18s ease,transform .18s ease}.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn--primary{background:var(--color-accent);color:#fff}.btn--primary:hover{background:var(--color-accent-hover)}.btn--outline{border-color:var(--color-line-strong);background:var(--color-surface);color:var(--color-ink)}.btn--outline:hover{border-color:var(--color-ink-soft)}.btn--dark{background:#fff;color:#152143}.btn--dark:hover{background:#e8edff}.btn[disabled]{cursor:not-allowed;opacity:.56;transform:none}.card{border:1px solid var(--color-line);border-radius:var(--radius-lg);background:var(--color-surface)}.skip-link{position:fixed;z-index:1000;top:-100px;left:12px;padding:12px 18px;border-radius:var(--radius-sm);background:var(--color-ink);color:#fff}.skip-link:focus{top:12px}.site-header{position:relative;z-index:30;border-bottom:1px solid rgba(227,229,223,.88);background:#fafaf8f5}.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:86px;gap:32px}.wordmark{display:inline-flex;align-items:baseline;flex-shrink:0;color:var(--color-ink);font-family:var(--font-mono);font-size:26px;font-weight:600;letter-spacing:-.085em;line-height:1.25}.wordmark__dot{color:var(--color-accent)}.header-nav{display:flex;align-items:center;gap:clamp(22px,3vw,44px);margin-left:auto}.nav-link{padding-block:12px;color:var(--color-ink-soft);font-size:13px;font-weight:600;transition:color .18s ease}.nav-link:hover,.nav-link[aria-current=page]{color:var(--color-ink)}.header-contact{min-height:42px;padding:9px 17px}.menu-toggle{display:none}.site-footer{padding-block:72px 28px;border-top:1px solid var(--color-line);background:#fff}.footer-grid{display:grid;grid-template-columns:minmax(240px,1.65fr) repeat(3,minmax(130px,1fr));gap:60px}.footer-intro{max-width:320px;margin-top:22px;color:var(--color-ink-soft);font-size:14px;line-height:1.9}.footer-label{margin-bottom:22px;color:var(--color-ink);font-family:var(--font-mono);font-size:12px;font-weight:600;letter-spacing:.07em}.footer-list{display:grid;gap:16px;margin:0;padding:0;list-style:none}.footer-list a{color:var(--color-ink-soft);font-size:13px;transition:color .16s ease}.footer-list a:hover{color:var(--color-accent)}.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;margin-top:72px;padding-top:24px;border-top:1px solid var(--color-line);color:var(--color-ink-soft);font-size:12px;line-height:1.6}.page-hero{padding-block:clamp(80px,11vw,150px) clamp(65px,9vw,120px)}.page-hero__inner{max-width:900px}.page-hero h1{margin-bottom:28px}.page-hero .body-lg{max-width:720px}.page-hero__actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px 26px;margin-top:36px}.surface-section{background:var(--color-surface-subtle)}.page-title-accent{color:var(--color-accent)}.divider-line{border-top:1px solid var(--color-line)}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.surface-card{padding:clamp(26px,3vw,42px);border:1px solid var(--color-line);border-radius:var(--radius-lg);background:#fff}.surface-card h3{margin:12px 0 16px;font-size:23px;font-weight:600;letter-spacing:-.03em;line-height:1.4}.card-index{color:var(--color-accent);font-family:var(--font-mono);font-size:12px;letter-spacing:.06em}.link-card{display:flex;flex-direction:column;min-height:310px;padding:clamp(30px,3.5vw,48px);border:1px solid var(--color-line);border-radius:var(--radius-lg);background:#fff;transition:border-color .2s ease,transform .2s ease}.link-card:hover{border-color:var(--color-line-strong);transform:translateY(-3px)}.link-card__title{margin:22px 0 14px;font-size:clamp(26px,2.7vw,36px);font-weight:600;letter-spacing:-.035em}.link-card__description{max-width:440px;color:var(--color-ink-soft);font-size:15px;line-height:1.9}.link-card .text-link{margin-top:auto;padding-top:25px}.prose{max-width:var(--reading);color:var(--color-ink-soft);font-size:16px;line-height:2}.prose h2{margin:60px 0 16px;color:var(--color-ink);font-size:clamp(23px,2.8vw,30px);line-height:1.45;letter-spacing:-.03em}.prose p+p{margin-top:19px}.prose ul,.prose ol{padding-left:24px}.prose li+li{margin-top:8px}.prose a{color:var(--color-accent-ink);text-decoration:underline;text-underline-offset:3px}.prose a:hover{color:var(--color-accent)}.prose strong{color:var(--color-ink)}.prose-table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.75}.prose-table th,.prose-table td{padding:18px 16px;border-bottom:1px solid var(--color-line);text-align:left;vertical-align:top}.prose-table th{width:28%;color:var(--color-ink);font-weight:600}.callout{padding:24px 28px;border-left:3px solid var(--color-accent);background:var(--color-accent-subtle);color:var(--color-accent-ink);font-size:14px;line-height:1.9}@media(max-width:900px){.header-inner{min-height:74px}.header-nav{gap:19px}.footer-grid{grid-template-columns:1.6fr 1fr 1fr;gap:44px}.footer-brand{grid-column:1 / -1}}@media(max-width:740px){:root{--section-space: 84px}.header-inner{min-height:70px}.menu-toggle{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;margin-left:auto;border:1px solid var(--color-line);border-radius:var(--radius-md);background:#fff;color:var(--color-ink)}.menu-toggle__lines{display:grid;gap:5px}.menu-toggle__lines span{width:18px;height:1.5px;background:currentColor}.header-nav{display:none;position:absolute;top:100%;right:0;left:0;margin:0;padding:18px var(--gutter) 24px;border-bottom:1px solid var(--color-line);background:#fff;box-shadow:0 18px 45px -35px #171816}.header-nav[data-open=true]{display:grid;gap:2px}.nav-link{display:block;padding:13px 0;font-size:15px}.header-contact{width:fit-content;margin-top:12px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:42px 22px}.footer-brand{grid-column:1 / -1}.footer-bottom{margin-top:54px}.grid-2,.grid-3{grid-template-columns:1fr}.page-hero{padding-top:75px}.page-hero__actions{gap:16px}.display{font-size:clamp(42px,10vw,58px);letter-spacing:-.045em}.prose-table th{width:37%}.prose-table th,.prose-table td{padding:14px 10px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.section-intro{margin-top:26px}.footer-socials{display:flex;flex-wrap:wrap;gap:20px}.footer-socials a:hover{color:var(--color-accent)}.eyebrow--light{color:#bacbff}.eyebrow--light:before{background:#8da9ff}.offer-card{display:flex;flex-direction:column;min-height:540px;padding:clamp(30px,4vw,50px);border:1px solid var(--color-line);border-radius:var(--radius-lg);background:#fff}.offer-card__top h3{margin:15px 0 14px;color:var(--color-ink);font-size:clamp(21px,2.1vw,27px);font-weight:600;letter-spacing:-.035em;line-height:1.4}.offer-card__price{display:flex;align-items:baseline;gap:9px;margin:40px 0 28px;padding-bottom:25px;border-bottom:1px solid var(--color-line)}.offer-card__price strong{font-family:var(--font-mono);font-size:clamp(32px,4vw,46px);font-weight:500;letter-spacing:-.05em;line-height:1.2}.offer-card__price span{color:var(--color-ink-soft);font-size:13px}.check-list{display:grid;gap:15px;margin:0 0 26px;padding:0;list-style:none}.check-list li{position:relative;padding-left:28px;color:var(--color-ink-soft);font-size:14px;line-height:1.8}.check-list li:before{position:absolute;top:5px;left:0;display:grid;place-items:center;width:17px;height:17px;border-radius:50%;background:var(--color-accent-subtle);color:var(--color-accent-ink);content:"✓";font-size:10px;font-weight:700}.offer-card>.text-link{margin-top:auto}.service-note{display:grid;gap:14px;margin-top:28px;padding:30px clamp(25px,4vw,46px);border:1px solid var(--color-line);border-radius:var(--radius-md);background:var(--color-surface-subtle)}.service-note strong{font-size:16px;font-weight:600}.service-note p,.service-footnote{max-width:890px;color:var(--color-ink-soft);font-size:13px;line-height:1.9}.service-footnote{margin-top:26px}.support-card{min-height:520px}.addon-row{display:flex;align-items:center;justify-content:space-between;gap:40px;margin-top:40px;padding:clamp(28px,4vw,50px);border:1px solid var(--color-line);border-radius:var(--radius-lg);background:#fff}.addon-row h3{margin:12px 0;font-size:clamp(21px,2vw,26px);line-height:1.4}.addon-row p{max-width:480px;color:var(--color-ink-soft);font-size:14px;line-height:1.8}.addon-row__right{display:grid;gap:10px;justify-items:start;flex-shrink:0}.addon-row__right strong{font-family:var(--font-mono);font-size:31px;font-weight:500;white-space:nowrap}.addon-row__right small{margin-left:4px;font-family:var(--font-body);font-size:12px;font-weight:400}.process-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px;margin:0;padding:0;list-style:none}.process-list li{padding-top:28px;border-top:1px solid var(--color-line-strong)}.process-list li>span{color:var(--color-accent);font-family:var(--font-mono);font-size:13px}.process-list h3{margin:27px 0 12px;font-size:19px;font-weight:600;line-height:1.4}.process-list p{color:var(--color-ink-soft);font-size:14px;line-height:1.8}.service-cta{padding:clamp(38px,6vw,75px);border-radius:var(--radius-lg);background:#1e315b;color:#fff}.service-cta h2{margin-bottom:18px}.service-cta>p:not(.eyebrow){margin-bottom:28px;color:#dbe4f9;font-size:15px;line-height:1.8}.product-detail-list{display:grid;gap:56px}.product-detail{display:grid;grid-template-columns:1.1fr 1fr;min-height:430px;overflow:hidden;border:1px solid var(--color-line);border-radius:var(--radius-lg);background:#fff}.product-detail__visual{display:flex;flex-direction:column;align-items:flex-start;justify-content:space-between;min-width:0;padding:clamp(32px,5vw,60px)}.product-detail__visual--bango{background:#e8e6fa;color:#3b317b}.product-detail__visual--switchy{background:#e7f1ef;color:#28574d}.product-detail__visual>span:first-child,.product-detail__detail{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;line-height:1.8}.product-detail__visual strong{font-family:var(--font-mono);font-size:clamp(43px,5vw,66px);font-weight:500;letter-spacing:-.065em;line-height:1.3;overflow-wrap:anywhere}.product-detail__body{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;min-width:0;padding:clamp(32px,5vw,60px)}.product-detail__body h3{margin:16px 0 20px;font-size:clamp(28px,3vw,40px);letter-spacing:-.035em}.product-detail__facts{margin-top:24px;padding-top:24px;border-top:1px solid var(--color-line);color:var(--color-ink-soft);font-size:13px;line-height:1.9}.product-detail__body .btn{margin-top:30px}.other-product--detail{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:40px;border:1px solid var(--color-line);border-radius:var(--radius-lg);background:#fff}.other-product--detail h3{margin:10px 0;font-size:23px}.other-product--detail p{color:var(--color-ink-soft);font-size:14px;line-height:1.8}.split-cta{display:flex;align-items:center;justify-content:space-between;gap:40px}.about-definition{display:grid;grid-template-columns:1fr .9fr;gap:clamp(36px,7vw,100px)}.about-definition .body+.body,.about-definition .body-lg+.body{margin-top:28px}.definition-terms{display:grid;gap:25px;margin-top:45px;padding-top:30px;border-top:1px solid var(--color-line-strong)}.definition-terms>div{display:flex;align-items:center;gap:25px}.definition-terms__symbol{display:grid;flex-shrink:0;place-items:center;width:70px;height:70px;border:1px solid var(--color-line);border-radius:var(--radius-md);background:#fff;color:var(--color-accent);font-family:var(--font-mono);font-size:34px;font-weight:500}.definition-terms strong{font-family:var(--font-mono);font-size:17px}.definition-terms p{margin-top:5px;color:var(--color-ink-soft);font-size:14px}.about-operator{display:grid;grid-template-columns:.86fr 1fr;gap:clamp(40px,7vw,95px);align-items:center}.about-operator__symbol{display:flex;flex-direction:column;justify-content:space-between;min-height:490px;padding:clamp(35px,5vw,62px);border-radius:var(--radius-lg);background:#e8ebf4;color:#1c2946}.about-operator__symbol>span{display:block;align-self:center;margin:auto 0;font-family:var(--font-mono);font-size:clamp(70px,8vw,118px);font-weight:500;letter-spacing:-.1em}.about-operator__symbol>span>span{color:var(--color-accent)}.about-operator__symbol small{color:#52638a;font-family:var(--font-mono);font-size:11px;letter-spacing:.08em}.operator-name{display:grid;gap:8px;margin:32px 0;padding-bottom:28px;border-bottom:1px solid var(--color-line)}.operator-name strong{color:var(--color-ink);font-size:21px;font-weight:600;letter-spacing:.01em}.operator-name span{color:var(--color-ink-soft);font-size:13px}.about-operator .body+.body{margin-top:20px}.operator-links{display:flex;flex-wrap:wrap;gap:24px;margin-top:28px}.work-phases{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}.work-phases>div{padding-top:26px;border-top:1px solid var(--color-line-strong)}.work-phases span{color:var(--color-accent);font-family:var(--font-mono);font-size:12px}.work-phases h3{margin:25px 0 12px;font-size:22px}.work-phases p{color:var(--color-ink-soft);font-size:14px;line-height:1.8}.contact-layout{display:grid;grid-template-columns:.77fr 1.23fr;gap:clamp(34px,6vw,100px);align-items:start}.contact-info h2{margin-bottom:26px;font-size:clamp(26px,2.8vw,34px)}.contact-info>p{color:var(--color-ink-soft);font-size:15px;line-height:1.9}.contact-facts{display:grid;gap:17px;margin-top:40px;padding-top:35px;border-top:1px solid var(--color-line)}.contact-facts span{color:var(--color-ink-soft);font-size:13px;line-height:1.8}.contact-facts strong{display:block;margin-bottom:7px;color:var(--color-ink);font-size:13px;font-weight:600}.contact-form{display:grid;gap:23px;padding:clamp(24px,5vw,55px);border:1px solid var(--color-line);border-radius:var(--radius-lg);background:#fff}.form-group{display:grid;gap:10px}.form-label{color:var(--color-ink);font-size:14px;font-weight:600}.required-mark{margin-left:5px;color:var(--color-accent);font-size:12px}.form-help{color:var(--color-ink-soft);font-size:12px;line-height:1.7}.form-input,.form-select,.form-textarea{width:100%;min-height:50px;padding:12px 15px;border:1px solid var(--color-line-strong);border-radius:var(--radius-md);background:#fff;color:var(--color-ink);font-size:16px;line-height:1.6;transition:border-color .16s ease}.form-input:hover,.form-select:hover,.form-textarea:hover{border-color:#8999b3}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--color-accent)}.form-textarea{min-height:160px;resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}.form-consent{display:flex;gap:12px;align-items:flex-start;color:var(--color-ink-soft);font-size:13px;line-height:1.7}.form-consent input{flex-shrink:0;width:19px;height:19px;margin-top:2px;accent-color:var(--color-accent)}.form-consent a{color:var(--color-accent-ink);text-decoration:underline;text-underline-offset:3px}.form-status{min-height:0;margin:0;font-size:13px;line-height:1.8}.form-status[data-kind=error]{color:#9a2929}.form-status[data-kind=success]{color:#24664f}.form-disabled{padding:16px 18px;border:1px solid var(--color-line);border-radius:var(--radius-md);background:var(--color-surface-subtle);color:var(--color-ink-soft);font-size:13px;line-height:1.8}.honeypot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.legal-container{max-width:820px}.legal-container .heading-xl{margin-bottom:30px}.legal-updated{margin-top:26px;color:var(--color-ink-soft);font-size:12px}.legal-summary{margin:0 0 28px;color:var(--color-ink-soft);font-size:15px;line-height:1.9}.error-page{display:grid;align-content:center;min-height:70vh;padding-block:100px;text-align:center}.error-page__code{margin-bottom:20px;color:var(--color-accent);font-family:var(--font-mono);font-size:15px}.error-page h1{margin-bottom:20px}.error-page p{margin-bottom:32px}@media(max-width:920px){.product-detail{grid-template-columns:1fr 1fr}.about-definition{grid-template-columns:1fr}.about-operator{gap:45px}}@media(max-width:740px){.offer-card{min-height:initial}.offer-card__price{margin-top:30px}.offer-card__price strong{font-size:37px}.process-list,.work-phases{grid-template-columns:repeat(2,minmax(0,1fr));gap:35px 24px}.addon-row,.other-product--detail,.split-cta{flex-direction:column;align-items:flex-start}.product-detail{grid-template-columns:1fr}.product-detail__visual{min-height:280px}.product-detail__body{padding:32px 28px 40px}.about-operator{grid-template-columns:1fr}.about-operator__symbol{min-height:300px}.contact-layout{grid-template-columns:1fr}.contact-info{max-width:610px}.form-row{grid-template-columns:1fr;gap:23px}.legal-container{max-width:100%}}@media(max-width:460px){.process-list,.work-phases{grid-template-columns:1fr;gap:28px}.offer-card__price strong{font-size:32px}.contact-form{padding:25px 19px}}.about-operator__photo{position:relative;min-height:490px;margin:0;overflow:hidden;border-radius:var(--radius-lg);background:#e8ebf4}.about-operator__photo img{width:100%;height:100%;min-height:490px;object-fit:cover;object-position:50% 42%}.about-operator__photo figcaption{position:absolute;right:18px;bottom:17px;padding:8px 11px;border-radius:var(--radius-sm);background:#0f1624b8;color:#fff;font-family:var(--font-mono);font-size:9px;letter-spacing:.06em;backdrop-filter:blur(8px)}.contact-facts a{color:var(--color-accent-ink);text-decoration:underline;text-underline-offset:3px}.contact-facts a:hover{color:var(--color-accent)}@media(max-width:740px){.about-operator__photo,.about-operator__photo img{min-height:400px}}.about-operator__photo{width:100%;max-width:560px;min-height:0;aspect-ratio:1 / 1}.about-operator__photo img{width:100%;height:100%;min-height:0;object-fit:cover;object-position:center}@media(max-width:740px){.about-operator__photo,.about-operator__photo img{min-height:0}}