[hidden]{display:none!important}:root{--bg: #fff9f2;--surface: #ffffff;--ink: #3b3437;--ink-2: #6b6165;--ink-3: #9a9094;--line: #efe6dd;--sage: #7fae9c;--sage-deep: #4d8a76;--sage-tint: #e8f2ed;--pink: #e9a3a0;--pink-deep: #c9716d;--pink-tint: #fbeceb;--butter: #f3cf6b;--butter-deep: #b88a12;--butter-tint: #fdf4d9;--lavender: #b4acd8;--lavender-deep: #7b6fb3;--lavender-tint: #efedf8;--cta: #f08a6c;--cta-deep: #d9694a;--radius: 20px;--radius-s: 12px;--shadow: 0 6px 20px rgba(120, 90, 70, .08);--wrap: 720px;--round: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", "Hiragino Sans", sans-serif;--font: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", Meiryo, system-ui, sans-serif}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.9;letter-spacing:.03em}img,svg{max-width:100%;display:block}a{color:var(--sage-deep);text-underline-offset:3px}h1,h2,h3,.round{font-family:var(--round);letter-spacing:.04em;line-height:1.5}h1{font-size:24px;margin:0 0 12px}@media(min-width:720px){h1{font-size:30px}body{font-size:17px}}.wrap{max-width:var(--wrap);margin:0 auto;padding:0 16px}.wrap-wide{max-width:1040px;margin:0 auto;padding:0 16px}.pr-bar{margin:0;padding:4px 16px;text-align:center;font-size:11px;color:var(--ink-3);background:#f6efe7}.site-header{position:sticky;top:0;z-index:20;background:#fff9f2eb;backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:56px}.logo{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink);font-family:var(--round);font-weight:700;font-size:19px}.logo-mark{width:30px;height:30px}.nav{display:flex;gap:6px}.nav a{text-decoration:none;font-size:13px;font-weight:700;color:var(--ink-2);padding:6px 10px;border-radius:999px}.nav a.nav-cta{background:var(--sage);color:#fff}main{padding-bottom:96px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;border-radius:999px;border:0;font:inherit;font-family:var(--round);font-weight:700;font-size:16px;line-height:1.4;text-decoration:none;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease}.btn:active{transform:translateY(2px)}.btn-primary{background:var(--sage-deep);color:#fff;box-shadow:0 4px #3a6d5d}.btn-cta{background:var(--cta);color:#fff;box-shadow:0 4px 0 var(--cta-deep)}.btn-ghost{background:var(--surface);color:var(--sage-deep);border:2px solid var(--sage)}.btn-block{display:flex;width:100%}.chip{display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;font-family:var(--round)}.chip-pink{background:var(--pink-tint);color:var(--pink-deep)}.chip-sage{background:var(--sage-tint);color:var(--sage-deep)}.chip-butter{background:var(--butter-tint);color:var(--butter-deep)}.chip-lavender{background:var(--lavender-tint);color:var(--lavender-deep)}.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.muted{color:var(--ink-3);font-size:13px}.sec-title{font-size:20px;margin:44px 0 4px;display:flex;align-items:center;gap:10px}.sec-title:before{content:"";width:10px;height:10px;border-radius:50%;background:var(--butter);box-shadow:14px 0 0 var(--pink),28px 0 0 var(--sage);margin-right:30px}.sec-desc{margin:0 0 16px;color:var(--ink-2);font-size:14px}.prose{font-size:16px}@media(min-width:720px){.prose{font-size:17px}}.prose h2{font-size:21px;margin:52px 0 16px;padding:14px 18px;background:var(--surface);border-radius:var(--radius-s);box-shadow:var(--shadow);border-left:6px solid var(--sage)}.prose h3{font-size:18px;margin:32px 0 10px;padding-left:12px;border-left:4px solid var(--butter)}.prose p{margin:0 0 1.3em}.prose ul,.prose ol{padding-left:1.4em;margin:0 0 1.3em}.prose li{margin:.35em 0}.prose strong{background:linear-gradient(transparent 60%,#fbe3a0 60%)}.prose table{width:100%;border-collapse:separate;border-spacing:0;margin:0 0 1.5em;font-size:14px;display:block;overflow-x:auto;background:var(--surface);border-radius:var(--radius-s);box-shadow:var(--shadow)}.prose th,.prose td{padding:10px 12px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line);min-width:7em}.prose th{background:var(--sage-tint);color:var(--sage-deep);font-family:var(--round)}.prose blockquote{position:relative;margin:0 0 1.4em;padding:16px 18px 16px 58px;background:var(--butter-tint);border-radius:var(--radius-s);color:var(--ink);font-size:15px}.prose blockquote:before{content:"!";position:absolute;left:16px;top:16px;width:28px;height:28px;border-radius:50%;background:var(--butter);color:#fff;font-weight:700;text-align:center;line-height:28px;font-family:var(--round)}.prose blockquote p:last-child{margin-bottom:0}.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:30;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:#fff9f2f2;backdrop-filter:blur(8px);border-top:1px solid var(--line);display:flex;gap:10px;align-items:center;justify-content:center}.sticky-cta p{margin:0;font-size:12px;color:var(--ink-2);line-height:1.4}.sticky-cta .btn{padding:10px 20px;font-size:15px;flex:none}.site-footer{background:#f3ebe2;padding:40px 0 120px;font-size:13px;color:var(--ink-2)}.footer-name{font-family:var(--round);font-weight:700;font-size:17px;color:var(--ink);margin:0}.footer-nav{display:flex;flex-wrap:wrap;gap:6px 18px;margin:16px 0}.footer-nav a{color:var(--ink-2)}.footer-note{font-size:12px;line-height:1.7}