:root{--c-paper:#f4f0ea;--c-paper-2:#ebe4d9;--c-studio:#161312;--c-studio-2:#1c1816;--c-studio-3:#24201d;--c-ink:#1c1714;--c-amber:#9c5926;--c-amber-hi:#db995c;--c-goal:#3fa66b;--c-goal-hi:#5cc489;--c-goal-ink:#2a7449;--c-over:#e2654d;--c-over-ink:#b23a26;--c-cream:#f4efe8;--font-sans:-apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans CJK SC", "Noto Sans SC", "Microsoft YaHei", "Yu Gothic UI", Meiryo, sans-serif;--font-num:ui-rounded, "SF Pro Rounded", var(--font-sans);--ease-out:cubic-bezier(.16, 1, .3, 1);--ease-in-out:cubic-bezier(.65, 0, .35, 1);--radius:22px;--radius-sm:14px;--gutter:clamp(16px, 4.5vw, 48px);--max:1200px;--header-h:64px;--step--1:clamp(.84rem, .81rem + .12vw, .9rem);--step-0:clamp(1rem, .96rem + .2vw, 1.125rem);--step-1:clamp(1.18rem, 1.08rem + .45vw, 1.42rem);--step-2:clamp(1.45rem, 1.2rem + 1.1vw, 2.1rem);--step-3:clamp(2rem, 1.45rem + 2.5vw, 3.6rem);--step-4:clamp(2.6rem, 1.6rem + 4.6vw, 6.2rem);color-scheme:dark}:root:lang(ja){--font-sans:-apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Yu Gothic", Meiryo, "Noto Sans CJK JP", "Noto Sans JP", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}:root:lang(zh-Hans){--font-sans:-apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans CJK SC", "Noto Sans SC", "Microsoft YaHei", "Source Han Sans SC", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}.theme-dark{--bg:var(--c-studio);--bg-raised:var(--c-studio-2);--fg:var(--c-cream);--fg-2:#f4efe8bd;--fg-3:#f4efe894;--accent:var(--c-amber-hi);--on-accent:#1f140c;--line:#ffffff1a;--card:#ffffff0b;--card-line:#ffffff14;--goal:var(--c-goal);--goal-text:var(--c-goal-hi);--over:var(--c-over);--over-text:#f08a72;--mark:#e2d2bb;color-scheme:dark;background:var(--bg);color:var(--fg)}.theme-paper{--bg:var(--c-paper);--bg-raised:#fbf8f4;--fg:var(--c-ink);--fg-2:#1c1714c7;--fg-3:#1c1714a8;--accent:var(--c-amber);--on-accent:#fff;--line:#1c17141f;--card:#fffdfa;--card-line:#1c171414;--goal:#2f8f58;--goal-text:var(--c-goal-ink);--over:#c8462f;--over-text:var(--c-over-ink);--mark:#c9a57f;color-scheme:light;background:var(--bg);color:var(--fg)}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px);background:var(--c-studio)}body{font-family:var(--font-sans);font-size:var(--step-0);background:var(--c-studio);color:var(--c-cream);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;margin:0;line-height:1.6;overflow-x:clip}img,svg,canvas{max-width:100%;display:block}h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0}ul,ol{padding:0;list-style:none}a{color:inherit;text-underline-offset:.2em;text-decoration-thickness:1px}button{font:inherit;color:inherit}:where(h1,h2,h3){letter-spacing:-.025em;text-wrap:balance;overflow-wrap:break-word;hyphens:auto;font-weight:700;line-height:1.08}:where(p,li,dd){text-wrap:pretty}:lang(zh-Hans) :where(h1,h2,h3),:lang(ja) :where(h1,h2,h3){letter-spacing:0;line-height:1.22}:lang(zh-Hans) body,:lang(ja) body{line-height:1.75}:lang(ja) :where(h1,h2,h3){word-break:auto-phrase}:focus-visible{outline:2px solid var(--accent,var(--c-amber-hi));outline-offset:3px;border-radius:6px}::selection{color:inherit;background:#db995c59}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip{z-index:100;background:var(--c-amber-hi);color:#1f140c;transition:top .2s var(--ease-out);border-radius:999px;padding:10px 16px;font-weight:600;text-decoration:none;position:absolute;top:-60px;left:12px}.skip:focus{top:12px}.wrap{width:min(100% - 2 * var(--gutter), var(--max));margin-inline:auto}.section{padding-block:clamp(80px,12vw,160px);position:relative}.sheet{z-index:1;border-radius:clamp(24px,4vw,44px) clamp(24px,4vw,44px) 0 0;margin-top:calc(-1*clamp(24px,4vw,44px))}.sheet+.sheet-under{margin-top:0}.kicker{font-size:var(--step--1);letter-spacing:.08em;text-transform:uppercase;color:var(--accent);align-items:center;gap:10px;font-weight:600;display:inline-flex}:lang(zh-Hans) .kicker,:lang(ja) .kicker{letter-spacing:.12em}.kicker:before{content:"";background:currentColor;border-radius:2px;width:22px;height:2px}.h2{font-size:var(--step-3);max-width:18ch;margin-top:18px}:lang(zh-Hans) .h2,:lang(ja) .h2{max-width:16em}.lede{max-width:38rem;font-size:var(--step-1);color:var(--fg-2);margin-top:20px;line-height:1.55}.muted{color:var(--fg-3)}.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.02em}.grain{z-index:60;pointer-events:none;opacity:.05;mix-blend-mode:overlay;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.5 0 0 0 0 0.45 0 0 0 0 0.4 0 0 0 1.4 -0.2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");position:fixed;inset:-50%}.progress{z-index:70;transform-origin:0;background:linear-gradient(90deg, var(--c-amber-hi), #f2c792);pointer-events:none;height:2px;display:none;position:fixed;inset:0 0 auto;transform:scaleX(0)}@supports (animation-timeline:scroll()){.progress{animation-name:progress;animation-timing-function:linear;animation-fill-mode:both;animation-timeline:scroll(root);display:block}}@keyframes progress{to{transform:scaleX(1)}}@supports (animation-timeline:view()){[data-reveal]{animation-name:reveal;animation-timing-function:linear;animation-fill-mode:both;animation-timeline:view();animation-range:entry entry 55%}}@keyframes reveal{0%{opacity:0;transform:translateY(36px)}to{opacity:1;transform:none}}.rise .rw{vertical-align:top;margin:-.12em -.04em;padding:.12em .04em;display:inline-block;overflow:clip}.rise .rw>span{display:inline-block}@supports (animation-timeline:view()){.rise .rw{view-timeline:--rw block}.rise .rw>span{animation-name:rise-word;animation-timing-function:linear;animation-fill-mode:both;animation-timeline:--rw;animation-range:entry 20% cover 28%}}@keyframes rise-word{0%{transform:translateY(110%)}to{transform:none}}.rise-pending .rw>span{transform:translateY(110%)}.rise-pending.is-in .rw>span{transition:transform .9s var(--ease-out);transition-delay:calc(var(--i) * 45ms);transform:none}.will-draw:not(.is-drawn) .ln{stroke-dasharray:1;stroke-dashoffset:1px}.will-draw:not(.is-drawn) .pop,.will-draw:not(.is-drawn) .dot-in{opacity:0}.dot-in{transform-box:fill-box;transform-origin:50%}.will-draw.is-drawn .dot-in{animation:dot-in .5s var(--ease-out) backwards;animation-delay:calc(.85s + var(--i,0) * 90ms)}.will-draw.is-drawn .ln{stroke-dasharray:1;animation:draw-line 1.1s var(--ease-in-out) backwards;animation-delay:calc(.25s + var(--i,0) * 90ms)}.will-draw.is-drawn .pop{animation:pop-in .7s var(--ease-out) backwards;animation-delay:calc(var(--i,0) * 90ms)}@keyframes draw-line{0%{stroke-dashoffset:1px}to{stroke-dashoffset:0}}@keyframes dot-in{0%{opacity:0;transform:scale(.2)}}@keyframes pop-in{0%{opacity:0;transform:translateY(22px)scale(.92)}}.reveal-pending{opacity:0;transform:translateY(36px)}.reveal-pending.is-in{opacity:1;transition:opacity .9s var(--ease-out), transform .9s var(--ease-out);transition-delay:var(--delay,0s);transform:none}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition-duration:.001ms!important;transition-delay:0s!important;animation-duration:.001ms!important;animation-iteration-count:1!important;animation-delay:0s!important}[data-reveal],.reveal-pending,.rise .rw>span,.parallax{opacity:1!important;animation:none!important;transform:none!important}.progress{display:none}}@media print{[data-reveal],.reveal-pending,.rise .rw>span,.parallax{opacity:1!important;animation:none!important;transform:none!important}}.btn{--pad-x:22px;min-height:48px;padding:10px var(--pad-x);cursor:pointer;transition:background-color .25s ease, color .25s ease, border-color .25s ease, transform .35s var(--ease-out);border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:10px;font-size:1rem;font-weight:600;line-height:1.2;text-decoration:none;display:inline-flex}.btn-accent{background:var(--accent);color:var(--on-accent)}.btn-accent:hover{background:color-mix(in srgb, var(--accent) 88%, white)}.btn-ghost{border-color:var(--line);background:0 0}.btn-ghost:hover{border-color:color-mix(in srgb, var(--fg) 40%, transparent)}.card{background:var(--card);border:1px solid var(--card-line);border-radius:var(--radius)}