@import url("https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@24,400,0,0&display=swap");:root{--ik-bg:#fff;--ik-bg-subtle:#f8f9fa;--ik-bg-canvas:#f1f3f4;--ik-surface:#fff;--ik-surface-1:#fff;--ik-surface-2:#f8f9fa;--ik-surface-3:#f1f3f4;--ik-text-primary:#202124;--ik-text-secondary:#5f6368;--ik-text-tertiary:#80868b;--ik-text-disabled:#bdc1c6;--ik-text-on-accent:#fff;--ik-border:#dadce0;--ik-border-strong:#bdc1c6;--ik-divider:#e8eaed;--ik-accent:#1a73e8;--ik-accent-hover:#1967d2;--ik-accent-pressed:#185abc;--ik-accent-soft:#e8f0fe;--ik-accent-on:#fff;--ik-success:#1e8e3e;--ik-success-soft:#e6f4ea;--ik-warning:#f9ab00;--ik-warning-soft:#fef7e0;--ik-danger:#d93025;--ik-danger-soft:#fce8e6;--ik-info:#1a73e8;--ik-info-soft:#e8f0fe;--ik-font-sans:"Roboto","Google Sans",-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic UI","Noto Sans JP","Segoe UI",system-ui,sans-serif;--ik-font-mono:"Roboto Mono",ui-monospace,"SF Mono",Menlo,Consolas,monospace;--ik-text-xs:0.75rem;--ik-text-sm:0.875rem;--ik-text-base:1rem;--ik-text-lg:1.125rem;--ik-text-xl:1.375rem;--ik-text-2xl:1.75rem;--ik-text-3xl:2.25rem;--ik-leading-tight:1.25;--ik-leading-snug:1.4;--ik-leading-normal:1.5;--ik-leading-relaxed:1.7;--ik-weight-regular:400;--ik-weight-medium:500;--ik-weight-bold:700;--ik-space-0:0;--ik-space-1:4px;--ik-space-2:8px;--ik-space-3:12px;--ik-space-4:16px;--ik-space-5:24px;--ik-space-6:32px;--ik-space-7:48px;--ik-space-8:64px;--ik-space-9:96px;--ik-radius-xs:4px;--ik-radius-sm:8px;--ik-radius-md:12px;--ik-radius-lg:16px;--ik-radius-xl:24px;--ik-radius-pill:9999px;--ik-elev-0:none;--ik-elev-1:0 1px 2px 0 rgba(60,64,67,.3),0 1px 3px 1px rgba(60,64,67,.15);--ik-elev-2:0 1px 2px 0 rgba(60,64,67,.3),0 2px 6px 2px rgba(60,64,67,.15);--ik-elev-3:0 4px 8px 3px rgba(60,64,67,.15),0 1px 3px 0 rgba(60,64,67,.3);--ik-content-narrow:720px;--ik-content-default:960px;--ik-content-wide:1280px;--ik-header-height:64px;--ik-duration-fast:100ms;--ik-duration-base:200ms;--ik-duration-slow:300ms;--ik-easing-standard:cubic-bezier(0.4,0,0.2,1)}*,:after,:before{box-sizing:border-box}html{color-scheme:light;-webkit-text-size-adjust:100%;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background:var(--ik-bg-canvas);font-family:var(--ik-font-sans);font-size:var(--ik-text-base);line-height:var(--ik-leading-normal);font-feature-settings:"palt"}body,h1,h2,h3,h4{margin:0;color:var(--ik-text-primary)}h1,h2,h3,h4{font-weight:var(--ik-weight-medium);letter-spacing:-.005em}h1{font-size:var(--ik-text-3xl);line-height:var(--ik-leading-tight);font-weight:var(--ik-weight-regular)}h2{font-size:var(--ik-text-2xl);line-height:var(--ik-leading-snug)}h3{font-size:var(--ik-text-xl)}h4{font-size:var(--ik-text-lg)}p{margin:0 0 var(--ik-space-4)}a{color:var(--ik-accent);text-decoration:none;transition:color var(--ik-duration-fast) var(--ik-easing-standard)}a:hover{text-decoration:underline;text-underline-offset:2px;color:var(--ik-accent-hover)}a:focus-visible{outline:2px solid var(--ik-accent);outline-offset:2px;border-radius:var(--ik-radius-xs)}img,svg{max-width:100%;height:auto;display:block}.material-symbols-outlined{font-family:Material Symbols Outlined;font-weight:400;font-style:normal;font-size:20px;line-height:1;display:inline-block;white-space:nowrap;vertical-align:middle}.ik-container{width:100%;max-width:var(--ik-content-default);margin:0 auto;padding:0 var(--ik-space-4)}.ik-container--narrow{max-width:var(--ik-content-narrow)}main{display:block;padding-block:var(--ik-space-6) var(--ik-space-7);min-height:calc(100vh - var(--ik-header-height) - 200px)}.ik-topbar{position:-webkit-sticky;position:sticky;top:0;z-index:10;background:var(--ik-surface);border-bottom:1px solid var(--ik-divider);min-height:var(--ik-header-height);display:flex;align-items:center;padding:0 var(--ik-space-4);gap:var(--ik-space-4)}.ik-topbar__brand{display:inline-flex;align-items:center;gap:var(--ik-space-2);font-size:var(--ik-text-lg);font-weight:var(--ik-weight-medium);color:var(--ik-text-primary)}.ik-topbar__brand:hover{text-decoration:none}.ik-topbar__nav{margin-left:auto;display:flex;gap:var(--ik-space-1);align-items:center;flex-wrap:wrap}.ik-topbar__nav a{color:var(--ik-text-secondary);font-size:var(--ik-text-sm);padding:var(--ik-space-2) var(--ik-space-3);border-radius:var(--ik-radius-sm)}.ik-topbar__nav a:hover{background:var(--ik-surface-2);text-decoration:none;color:var(--ik-text-primary)}.ik-beta-banner{background:var(--ik-accent-soft);border-bottom:1px solid var(--ik-divider);font-size:var(--ik-text-sm);color:var(--ik-text-primary);padding:var(--ik-space-2) var(--ik-space-4);text-align:center}.ik-beta-banner a{color:var(--ik-accent);font-weight:var(--ik-weight-medium);margin-left:var(--ik-space-2)}.ik-card{background:var(--ik-surface);border:1px solid var(--ik-border);border-radius:var(--ik-radius-lg);padding:var(--ik-space-5)}.ik-card+.ik-card{margin-top:var(--ik-space-4)}.ik-card__title{margin:0 0 var(--ik-space-2)}.ik-button,.ik-card__title{font-size:var(--ik-text-base);font-weight:var(--ik-weight-medium)}.ik-button{display:inline-flex;align-items:center;justify-content:center;gap:var(--ik-space-2);min-height:44px;padding:0 var(--ik-space-5);font-family:inherit;line-height:1;border-radius:var(--ik-radius-pill);border:1px solid transparent;cursor:pointer;text-decoration:none;white-space:nowrap;transition:background var(--ik-duration-fast) var(--ik-easing-standard)}.ik-button:focus-visible{outline:2px solid var(--ik-accent);outline-offset:2px}.ik-button--primary{background:var(--ik-accent);color:var(--ik-accent-on)}.ik-button--primary:hover{background:var(--ik-accent-hover);text-decoration:none;color:var(--ik-accent-on);box-shadow:var(--ik-elev-1)}.ik-button--primary:active{background:var(--ik-accent-pressed)}.ik-button--secondary{background:var(--ik-surface);color:var(--ik-accent);border-color:var(--ik-border)}.ik-button--secondary:hover{background:var(--ik-accent-soft);text-decoration:none}.ik-button--text{background:transparent;color:var(--ik-accent);min-height:36px;padding:0 var(--ik-space-3)}.ik-button--text:hover{background:var(--ik-accent-soft);text-decoration:none}.ik-button--full{width:100%}.ik-chip{display:inline-flex;align-items:center;gap:var(--ik-space-1);font-size:var(--ik-text-xs);font-weight:var(--ik-weight-medium);padding:4px var(--ik-space-3);border-radius:var(--ik-radius-pill);background:var(--ik-surface-2);color:var(--ik-text-secondary);border:1px solid var(--ik-border)}.ik-chip--accent{background:var(--ik-accent-soft);color:var(--ik-accent);border-color:transparent}.ik-chip--warning{background:var(--ik-warning-soft);color:#b06000;border-color:transparent}.ik-field{display:flex;flex-direction:column;gap:var(--ik-space-2)}.ik-field__label{font-size:var(--ik-text-base);font-weight:var(--ik-weight-medium);color:var(--ik-text-primary)}.ik-field__hint{font-size:var(--ik-text-xs);color:var(--ik-text-secondary)}.ik-field__options{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:var(--ik-space-2);gap:var(--ik-space-2)}.ik-option{display:flex;flex-direction:column;gap:2px;padding:var(--ik-space-3) var(--ik-space-4);background:var(--ik-surface);border:1px solid var(--ik-border);border-radius:var(--ik-radius-md);cursor:pointer;min-height:44px;transition:border-color var(--ik-duration-fast) var(--ik-easing-standard),background var(--ik-duration-fast) var(--ik-easing-standard)}.ik-option:hover{border-color:var(--ik-border-strong)}.ik-option input{position:absolute;opacity:0;pointer-events:none}.ik-option--selected{border-color:var(--ik-accent);background:var(--ik-accent-soft)}.ik-option__label{font-size:var(--ik-text-base);font-weight:var(--ik-weight-medium);color:var(--ik-text-primary)}.ik-option__blurb{font-size:var(--ik-text-xs)}.ik-footer,.ik-option__blurb{color:var(--ik-text-secondary)}.ik-footer{border-top:1px solid var(--ik-divider);padding:var(--ik-space-6) var(--ik-space-4);background:var(--ik-surface);font-size:var(--ik-text-sm)}.ik-footer__inner{max-width:var(--ik-content-default);margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:var(--ik-space-4)}.ik-footer__nav{display:flex;gap:var(--ik-space-5);flex-wrap:wrap}.ik-footer__nav a{color:var(--ik-text-secondary);min-height:44px;display:inline-flex;align-items:center}.ik-footer__nav a:hover{color:var(--ik-text-primary);text-decoration:none}.ik-result-hero{background:var(--ik-surface);border:1px solid var(--ik-border);border-radius:var(--ik-radius-lg);padding:var(--ik-space-6) var(--ik-space-5);margin-bottom:var(--ik-space-5)}.ik-price-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:var(--ik-space-3);gap:var(--ik-space-3);margin:var(--ik-space-5) 0}.ik-price-card{background:var(--ik-surface-2);border:1px solid var(--ik-border);border-radius:var(--ik-radius-md);padding:var(--ik-space-4);text-align:center}.ik-price-card--accent{background:var(--ik-accent-soft);border-color:transparent}.ik-price-card__label{font-size:var(--ik-text-sm);color:var(--ik-text-secondary);margin-bottom:var(--ik-space-2)}.ik-price-card--accent .ik-price-card__label{color:var(--ik-accent)}.ik-price-card__amount{font-size:var(--ik-text-2xl);font-weight:var(--ik-weight-medium);color:var(--ik-text-primary)}.ik-share-row{flex-wrap:wrap;margin-top:var(--ik-space-5)}.ik-advice,.ik-share-row{display:flex;gap:var(--ik-space-3)}.ik-advice{flex-direction:column;list-style:none;padding:0;margin:0}.ik-advice li{display:flex;gap:var(--ik-space-3);background:var(--ik-surface-2);border-left:3px solid var(--ik-accent);border-radius:var(--ik-radius-xs)}.ik-advice li,.ik-disclaimer{padding:var(--ik-space-3) var(--ik-space-4)}.ik-disclaimer{font-size:var(--ik-text-xs);color:var(--ik-text-secondary);margin-top:var(--ik-space-5);background:var(--ik-warning-soft);border-radius:var(--ik-radius-sm);border-left:3px solid var(--ik-warning);color:#663d00}.ik-hero{text-align:center;padding:var(--ik-space-7) var(--ik-space-4) var(--ik-space-6)}.ik-hero h1{font-size:var(--ik-text-3xl);margin-bottom:var(--ik-space-3)}.ik-hero__lede{font-size:var(--ik-text-lg);color:var(--ik-text-secondary);margin:0 auto var(--ik-space-5);max-width:580px}.ik-step-row{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:var(--ik-space-4);gap:var(--ik-space-4);margin:var(--ik-space-6) 0}.ik-step{background:var(--ik-surface);border:1px solid var(--ik-border);border-radius:var(--ik-radius-md);padding:var(--ik-space-5)}.ik-step__num{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;background:var(--ik-accent-soft);color:var(--ik-accent);border-radius:var(--ik-radius-pill);font-weight:var(--ik-weight-medium);margin-bottom:var(--ik-space-3)}.ik-form-stack{display:flex;flex-direction:column;gap:var(--ik-space-6);margin-bottom:var(--ik-space-6)}.ik-form-actions{flex-wrap:wrap;justify-content:flex-end}.ik-faq,.ik-form-actions{display:flex;gap:var(--ik-space-3)}.ik-faq{flex-direction:column}.ik-faq details{background:var(--ik-surface);border:1px solid var(--ik-border);border-radius:var(--ik-radius-md);padding:var(--ik-space-4) var(--ik-space-5)}.ik-faq summary{cursor:pointer;font-weight:var(--ik-weight-medium);font-size:var(--ik-text-base);list-style:none}.ik-faq summary::-webkit-details-marker{display:none}.ik-faq details[open]{background:var(--ik-surface-2)}.ik-faq p{margin-top:var(--ik-space-3);margin-bottom:0;color:var(--ik-text-secondary)}.ik-article{background:var(--ik-surface);border:1px solid var(--ik-border);border-radius:var(--ik-radius-lg);padding:var(--ik-space-6)}.ik-article h2{margin-top:var(--ik-space-6);margin-bottom:var(--ik-space-3);font-size:var(--ik-text-xl)}.ik-article h2:first-child{margin-top:0}.ik-article p{color:var(--ik-text-primary);line-height:var(--ik-leading-relaxed)}.ik-article ul{padding-left:var(--ik-space-5)}.ik-article li{margin-bottom:var(--ik-space-2);line-height:var(--ik-leading-relaxed)}.ik-ad{margin:var(--ik-space-6) 0;padding:var(--ik-space-3);background:var(--ik-surface-2);border:1px solid var(--ik-divider);border-radius:var(--ik-radius-md);position:relative}.ik-ad:before{content:"広告 / Sponsored";display:block;font-size:var(--ik-text-xs);color:var(--ik-text-tertiary);margin-bottom:var(--ik-space-2)}@media (max-width:839px){.ik-button,[role=button],a,button,input[type=button],input[type=submit]{min-height:44px}.ik-footer__nav a,.ik-topbar__nav a,nav a{padding:12px 14px;min-height:44px;display:inline-flex;align-items:center}}@media (max-width:599px){html{font-size:16px}body,label,li,p{font-size:16px;line-height:1.6}.ik-hero{padding-block:var(--ik-space-5)}.ik-hero h1{font-size:1.75rem}.ik-hero__lede{font-size:var(--ik-text-base)}.ik-step-row{gap:var(--ik-space-3)}.ik-price-grid,.ik-step-row{grid-template-columns:1fr}.ik-form-actions{justify-content:stretch}.ik-form-actions .ik-button{flex:1 1}}input,select,textarea{font-size:max(16px,1rem)}