:root{--paper: #f7f1e6;--paper-2: #efe6d4;--paper-3: #e7dcc5;--ink: #322e28;--ink-soft: #6d6559;--ink-faint: #9a9184;--vermillion: #c2492f;--vermillion-deep: #9e3a25;--indigo: #3c5a76;--indigo-deep: #2e4459;--matcha: #77875e;--line: #ddd0b8;--card: #fffdf8;--focus: #2e4459;--font-display: "Zen Maru Gothic", "Noto Sans JP", sans-serif;--font-ja: "Noto Sans JP", system-ui, sans-serif;--font-tc: "Noto Sans TC", "Noto Sans JP", system-ui, sans-serif;--font-en: "Noto Sans JP", system-ui, sans-serif;--text-xs: .8125rem;--text-sm: .9375rem;--text-base: 1.0625rem;--text-lg: 1.25rem;--text-xl: clamp(1.5rem, 1.2rem + 1.5vw, 2rem);--text-2xl: clamp(1.9rem, 1.4rem + 2.6vw, 2.9rem);--text-hero: clamp(2.2rem, 1.5rem + 4vw, 3.8rem);--leading-body: 1.75;--leading-tight: 1.3;--sp-1: .25rem;--sp-2: .5rem;--sp-3: .75rem;--sp-4: 1rem;--sp-5: 1.5rem;--sp-6: 2rem;--sp-7: 3rem;--sp-8: 4.5rem;--radius-sm: 10px;--radius: 16px;--radius-lg: 24px;--radius-pill: 999px;--shadow-sm: 0 1px 2px rgba(60, 48, 30, .08);--shadow: 0 2px 10px rgba(60, 48, 30, .1), 0 1px 3px rgba(60, 48, 30, .06);--shadow-lift: 0 8px 24px rgba(60, 48, 30, .14), 0 2px 6px rgba(60, 48, 30, .08);--ease: cubic-bezier(.25, .6, .3, 1);--dur: .18s;--container: 62rem;--tap: 44px}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;background:radial-gradient(60rem 40rem at 85% -10%,rgba(194,73,47,.05),transparent 60%),radial-gradient(50rem 30rem at -10% 30%,rgba(60,90,118,.05),transparent 55%),var(--paper);color:var(--ink);font-family:var(--font-ja);font-size:var(--text-base);line-height:var(--leading-body)}:lang(zh-Hant-TW){font-family:var(--font-tc)}:lang(en){font-family:var(--font-en)}:lang(ja){font-family:var(--font-ja)}h1,h2,h3{font-family:var(--font-display);line-height:var(--leading-tight);margin:0 0 var(--sp-4);letter-spacing:.01em}p{margin:0 0 var(--sp-4)}a{color:var(--indigo-deep);text-underline-offset:3px}img,audio{max-width:100%}:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:4px}.container{max-width:var(--container);margin-inline:auto;padding-inline:var(--sp-5)}.section{padding-block:var(--sp-7)}.section-title{font-size:var(--text-2xl);text-align:center;margin-bottom:var(--sp-2)}.section-lede{text-align:center;color:var(--ink-soft);max-width:38rem;margin:0 auto var(--sp-6)}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease)}@media(hover:hover){.card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--sp-2);min-height:var(--tap);padding:.6em 1.4em;border-radius:var(--radius-pill);border:1.5px solid transparent;font:inherit;font-weight:700;text-decoration:none;cursor:pointer;transition:background var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}.btn:active{transform:scale(.98)}.btn-primary{background:var(--vermillion);color:#fffdf8;box-shadow:var(--shadow-sm)}.btn-primary:hover{background:var(--vermillion-deep)}.btn-secondary{background:var(--card);color:var(--indigo-deep);border-color:var(--indigo)}.btn-secondary:hover{background:#f2f0e9}.btn-ghost{background:transparent;color:var(--ink-soft);border-color:var(--line)}.btn-ghost:hover{color:var(--ink);border-color:var(--ink-faint)}.btn[disabled],.btn[aria-disabled=true]{opacity:.55;cursor:not-allowed;transform:none}.badge{display:inline-block;padding:.15em .8em;border-radius:var(--radius-pill);background:var(--paper-2);border:1px solid var(--line);color:var(--ink-soft);font-size:var(--text-sm)}.placeholder-note{color:var(--ink-faint);font-size:var(--text-sm)}@media(prefers-reduced-motion:no-preference){.rise{animation:rise .5s var(--ease) both}@keyframes rise{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.skip-link{position:absolute;left:-9999px;top:0;background:var(--card);padding:var(--sp-3) var(--sp-4);z-index:100}.skip-link:focus{left:var(--sp-3)}