*,*:before,*:after{box-sizing:border-box}:root{--color-indigo: #0A1E3C;--color-gold: #E69500;--color-sumi: #2F2F2F;--color-white: #fff;--color-light-gray: #f8f8f8;--color-very-light-blue: #f0f2f5;--color-muted-text: #888;--color-border-light: #ddd;--color-border-medium: #ccc;--color-dark-text: #111827;--color-medium-text: #4b5563;--color-disabled-bg: #f5f5f5;--color-disabled-text: #a5a5a5;--color-footer-text: #999;--color-footer-link: #ccc;--color-indigo-dark: #14213d;--color-indigo-darker: #1a2a47;--color-indigo-hover: #22325a;--font-primary: "Noto Sans JP", sans-serif;--font-secondary: "Montserrat", "Noto Sans JP", sans-serif;--font-monospace: "Share Tech Mono", "Roboto Mono", ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Consolas, "DejaVu Sans Mono", monospace;--font-ui: Inter, Roboto, "Helvetica Neue", "Arial Nova", "Nimbus Sans", Arial, sans-serif;--section-padding-mobile: 2rem 0;--section-padding-tablet: 3rem 0;--section-padding-desktop: 4rem 0;--section-padding-large: 6rem 0}html,body{margin:0;padding:0;width:100%;font-family:var(--font-primary);color:var(--color-sumi);line-height:1.6;scroll-behavior:smooth;font-size:16px;overflow-x:hidden}h1,h2,h3,h4,h5,h6{margin:0 0 1rem;line-height:1.2;font-weight:700}h1{font-size:1.75rem}h2{font-size:1.5rem}h3{font-size:1.25rem}p{margin:0 0 1.5rem}img{max-width:100%;height:auto}a{color:var(--color-indigo);text-decoration:none;transition:color .3s ease}a:hover{color:var(--color-gold)}.button{display:inline-block;border:none;border-radius:4px;font-weight:700;cursor:pointer;text-decoration:none;text-align:center;transition:background-color .3s ease,color .3s ease;padding:.8rem 1.5rem;font-size:1rem;width:100%}.button-primary{background-color:var(--color-indigo-dark);color:var(--color-white);font-size:1.25rem;font-weight:600;padding:1rem 2.5rem;border-radius:8px}.button-primary:hover{background-color:var(--color-indigo-hover);color:var(--color-white)}.button-secondary{background-color:var(--color-gold);color:var(--color-white)}.button-secondary:hover{background-color:var(--color-indigo);color:var(--color-white)}.button-submit{background-color:var(--color-indigo);color:var(--color-white);padding:1rem}.button-submit:hover{background-color:var(--color-gold);color:var(--color-white)}.button:disabled,.button-primary:disabled,.button-secondary:disabled,.button-submit:disabled{background-color:var(--color-disabled-bg);color:var(--color-disabled-text);border:1px solid var(--color-border-medium);cursor:not-allowed;opacity:.7}.container{width:100%;max-width:100%;margin:0 auto;padding:0 1rem}section{padding:var(--section-padding-mobile)}@media (min-width: 481px){h1{font-size:2rem}h2{font-size:1.75rem}h3{font-size:1.5rem}section{padding:var(--section-padding-tablet)}.button,.button-primary,.button-secondary,.button-submit{width:auto}}@media (min-width: 769px){h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.75rem}section{padding:var(--section-padding-desktop)}.container{max-width:1200px}}@media (min-width: 1024px){section{padding:var(--section-padding-large)}}.button-gradient{color:var(--color-white);background:linear-gradient(83.21deg,#3245ff,#bc52ee);box-shadow:inset 0 0 0 1px #ffffff1f,inset 0 -2px #0000003d;border-radius:10px;padding:10px 12px}.button-gradient:hover{color:#e6e6e6;box-shadow:none}@media screen and (max-width: 768px){.button-gradient{padding:14px 18px}}.title-decoration{position:relative;display:inline-block}.title-decoration:after{content:"";position:absolute;bottom:-8px;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--color-indigo),var(--color-gold))}.title-decoration--light:after{background:linear-gradient(90deg,var(--color-white),var(--color-gold))}@media (min-width: 769px){.title-decoration:after{bottom:-10px}}.bg-pattern-gold-dual{background-image:radial-gradient(circle at 20% 30%,rgba(212,175,55,.15) 0%,transparent 30%),radial-gradient(circle at 80% 70%,rgba(212,175,55,.1) 0%,transparent 30%)}.bg-pattern-mixed-dual{background-image:radial-gradient(circle at 80% 20%,rgba(212,175,55,.15) 0%,transparent 30%),radial-gradient(circle at 20% 80%,rgba(15,76,129,.1) 0%,transparent 30%)}@media (min-width: 769px){.bg-pattern-gold-dual{background-image:radial-gradient(circle at 20% 30%,rgba(212,175,55,.15) 0%,transparent 50%),radial-gradient(circle at 80% 70%,rgba(212,175,55,.1) 0%,transparent 50%)}.bg-pattern-mixed-dual{background-image:radial-gradient(circle at 80% 20%,rgba(212,175,55,.15) 0%,transparent 50%),radial-gradient(circle at 20% 80%,rgba(15,76,129,.1) 0%,transparent 50%)}}