:root{--grid-cols: 12;--grid-gutter: clamp(16px, 2vw, 24px);--grid-margin: clamp(20px, 6.25vw, 80px);--baseline: 8px;--ink: #102A43;--paper: #F4F8FB;--blue: #1572D3;--navy: #0A2540;--red: #C8161C;--muted: #5B7286;--rule: #DCE6F0;--surface: #E7F0F9;--white: #FFFFFF;--font: "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;--type-display: clamp(48px, 7vw, 88px);--type-headline: clamp(24px, 3.5vw, 40px);--type-body: 17px;--type-small: 14px;--type-caption: 12px;--type-label: 11px;--leading-display: 1;--leading-headline: 1.15;--leading-body: 1.65;--leading-tight: 1.25;--tracking-display: -.04em;--tracking-tight: -.02em;--tracking-normal: 0em;--tracking-wide: .08em;--tracking-label: .12em;--sp-1: 8px;--sp-2: 16px;--sp-3: 24px;--sp-4: 32px;--sp-5: 40px;--sp-6: 48px;--sp-8: 64px;--sp-10: 80px;--sp-12: 96px;--sp-16: 128px;--ease-out: cubic-bezier(.22, 1, .36, 1);--duration-fast: .16s;--duration-base: .28s;--radius: 0px}@media (prefers-reduced-motion: reduce){:root{--duration-fast: 0ms;--duration-base: 0ms}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}body{font-family:var(--font);font-size:var(--type-body);line-height:var(--leading-body);color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}img,svg{display:block;max-width:100%}button{font-family:inherit;cursor:pointer;border:none;background:none}input{font-family:inherit}a{color:inherit;text-decoration:none}.grid{display:grid;grid-template-columns:repeat(var(--grid-cols),1fr);gap:var(--grid-gutter);padding-inline:var(--grid-margin);width:100%;max-width:1440px;margin-inline:auto}:focus-visible{outline:2px solid var(--blue);outline-offset:2px}.col-full{grid-column:1 / -1}.col-1-7{grid-column:1 / 7}.col-7-13{grid-column:7 / -1}.col-1-8{grid-column:1 / 8}.col-8-13{grid-column:8 / -1}.col-1-13{grid-column:1 / -1}.col-4-10{grid-column:4 / 10}.purchase-panel{position:sticky;top:var(--sp-8);padding:var(--sp-5)}.price-display{font-size:var(--type-display)}.spec-grid{grid-template-columns:1fr 1fr}@media (max-width: 768px){.col-1-7,.col-7-13,.col-1-8,.col-8-13,.col-4-10{grid-column:1 / -1}.purchase-panel{position:static;padding:var(--sp-3)}.price-display{font-size:clamp(40px,11vw,56px)}.spec-grid{grid-template-columns:1fr}.pack-btn__label{font-size:11px}.pack-btn__days{font-size:9px}}.pack-selector{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-bottom:0}.pack-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:var(--sp-2) var(--sp-1);background:var(--paper);border:1px solid var(--rule);border-radius:0;cursor:pointer;transition:background var(--duration-fast),color var(--duration-fast)}.pack-btn+.pack-btn{border-left:none}.pack-btn--active{background:var(--ink);color:var(--paper);border-color:var(--ink)}.pack-btn__label{font-family:var(--font);font-size:var(--type-small);font-weight:600;letter-spacing:var(--tracking-normal);color:inherit}.pack-btn__days{font-family:var(--font);font-size:var(--type-caption);color:inherit;opacity:.7}.site-header{padding-block:var(--sp-3)}.site-header__bar{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-3);flex-wrap:wrap}.site-header__brand{display:flex;align-items:center;gap:var(--sp-2);white-space:nowrap}.site-header__wordmark{font-family:var(--font);font-size:var(--type-label);font-weight:700;letter-spacing:var(--tracking-label);text-transform:uppercase;color:var(--ink)}.site-header__brand-sep{color:var(--muted)}.site-header__brand-sub{font-family:var(--font);font-size:var(--type-caption);color:var(--muted)}.site-header__nav{display:flex;align-items:center;gap:var(--sp-3);flex-wrap:wrap}.site-header__link{font-family:var(--font);font-size:var(--type-caption);color:var(--ink);white-space:nowrap}.site-header__link--active{font-weight:700;text-decoration:underline;text-decoration-color:var(--blue);text-decoration-thickness:2px;text-underline-offset:3px}.site-header__divider{width:1px;height:12px;background:var(--rule);display:inline-block}.site-header__user{font-family:var(--font);font-size:var(--type-caption);color:var(--muted);white-space:nowrap}.site-header__action{font-family:var(--font);font-size:var(--type-caption);font-weight:600;color:var(--blue);white-space:nowrap;background:none;border:none;padding:0;cursor:pointer}@media (max-width: 768px){.site-header__bar{flex-direction:column;align-items:stretch;gap:var(--sp-2)}.site-header__nav{justify-content:flex-start;gap:var(--sp-2) var(--sp-3)}}.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--grid-gutter)}.trust-strip{display:flex;flex-wrap:wrap;gap:var(--sp-2) var(--sp-6);margin:0;padding:0}@media (max-width: 768px){.steps-grid{grid-template-columns:1fr;gap:var(--sp-5)}}