:root{--paper:#f5f4ee;--white:#fffef9;--ink:#173e35;--muted:#53695f;--green:#16735c;--lime:#e5eda3;--line:#d7ded2}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font:16px -apple-system,BlinkMacSystemFont,"Noto Sans JP","Yu Gothic",sans-serif;line-height:1.85}
a{color:inherit;text-underline-offset:4px}a:hover{text-decoration-thickness:2px}a:focus-visible,summary:focus-visible{outline:3px solid #a55e13;outline-offset:5px}
.skip-link{position:absolute;left:16px;top:-70px;padding:12px;background:var(--ink);color:white;z-index:2}.skip-link:focus{top:12px}
.header{max-width:1280px;margin:auto;padding:24px 40px;display:flex;justify-content:space-between;gap:20px;align-items:center;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;text-decoration:none;line-height:1.3;white-space:nowrap}.brand-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--ink);color:var(--lime);font-size:31px}.brand small{display:block;font-size:9px;letter-spacing:.27em;margin-top:3px}.header-play{font-size:13px;font-weight:700;padding:10px 0}
main{max-width:1200px;margin:auto;padding:0 40px}.hero{padding:64px 0 68px;display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:center}.eyebrow{font-size:12px;letter-spacing:.07em;font-weight:700;color:var(--green);margin:0 0 20px}
h1{font-size:clamp(30px,3.7vw,47px);letter-spacing:-.035em;line-height:1.4;margin:0 0 25px}h1>span{font-size:.88em;font-weight:600;line-height:1.55;display:inline-block;margin-top:12px}.lead{font-size:16px;line-height:1.9;margin:0 0 22px}.facts{font-weight:700;font-size:13px;margin:0 0 20px}.facts span{color:#9aa89a;margin:0 5px}
.actions{display:flex;flex-wrap:wrap;gap:10px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 20px;border-radius:8px;font-weight:700;font-size:14px;text-decoration:none;border:1px solid var(--green)}.button:hover{filter:brightness(.96)}.primary{background:var(--green);color:white}.secondary{background:transparent;color:var(--green)}.note{font-size:12px;color:var(--muted);line-height:1.8}
.play-figure{margin:0;min-width:0;padding:12px;background:var(--white);border:1px solid var(--line);border-radius:13px;box-shadow:0 18px 45px #173e3510;transform:rotate(1deg)}.figure-label{display:flex;flex-wrap:wrap;justify-content:space-between;gap:4px;font-size:10px;font-weight:700;letter-spacing:.04em;padding:3px 4px 12px}.play-figure img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:5px}.play-figure figcaption{padding:10px 4px 1px;font-size:11px;color:var(--muted);line-height:1.7}
.section{padding:52px 0;border-top:1px solid var(--line)}.section-heading .eyebrow{margin-bottom:9px}h2{font-size:clamp(22px,2.6vw,32px);line-height:1.5;letter-spacing:-.025em;margin:0 0 24px}h3{font-size:18px;line-height:1.6;margin:0 0 8px}.section>p{max-width:900px}.table-wrap{overflow-x:auto;margin:28px 0;border:1px solid var(--line);border-radius:8px;background:var(--white)}table{border-collapse:collapse;width:100%;font-size:14px;table-layout:fixed}caption{text-align:left;padding:12px 18px;font-size:12px;color:var(--muted)}th,td{text-align:left;vertical-align:top;padding:17px 20px;border-top:1px solid var(--line);overflow-wrap:anywhere}thead th{background:#e9eedf}th:first-child{width:21%}th small{font-weight:400;font-size:11px}td:last-child,thead th:last-child{background:#f0f3df}
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:35px}.steps li{display:flex;gap:15px;align-items:flex-start}.step-number{font-size:23px;line-height:1.5;color:var(--green);font-weight:700}.steps p{font-size:14px;margin:0;color:var(--muted)}.style-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}.style-grid article{border-left:3px solid var(--green);padding:2px 0 2px 22px}.style-grid p{font-size:15px;margin:0 0 15px}.style-grid a{font-size:14px;font-weight:700}.themes-title{margin:36px 0 10px}.themes{margin:0}.themes>div{display:grid;grid-template-columns:150px 1fr;gap:14px;padding:13px 0;border-bottom:1px solid var(--line)}dt{font-weight:700;font-size:14px}dd{margin:0;font-size:14px}
.faq details{padding:18px 0;border-bottom:1px solid var(--line)}summary{cursor:pointer;font-weight:700;font-size:15px}details p{font-size:14px;padding-left:20px;max-width:850px;color:var(--muted)}.closing{text-align:center;margin:10px 0 64px;background:#e9eedf;padding:44px 24px;border-radius:12px}.closing .eyebrow{margin-bottom:12px}.closing h2{margin-bottom:24px}.closing p:last-child{font-size:13px;margin-bottom:0}footer{max-width:1200px;margin:auto;padding:22px 40px 32px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted)}footer nav{display:flex;gap:20px;flex-wrap:wrap}
@media(max-width:850px){.hero{grid-template-columns:1fr;gap:30px;padding:40px 0}.hero-copy{max-width:600px}.play-figure{transform:none;max-width:700px}.steps{grid-template-columns:1fr;gap:24px}.style-grid{gap:24px}.section{padding:36px 0}}
@media(max-width:520px){body{font-size:15px}.header{padding:18px 18px;gap:12px}.brand{font-size:17px;gap:8px}.brand-icon{width:35px;height:35px;font-size:28px}.header-play{font-size:11px}main{padding:0 20px}.hero{padding-top:30px}.eyebrow{font-size:11px}.lead{font-size:14px}.facts{font-size:12px}.button{padding:12px 15px}.actions{display:grid}.play-figure{padding:8px}.figure-label{font-size:9px}.play-figure figcaption{font-size:10px}.style-grid{grid-template-columns:1fr}.themes>div{grid-template-columns:1fr;gap:2px}table{font-size:12px}th,td{padding:12px 9px}th:first-child{width:23%}th small{font-size:10px}caption{padding:9px;font-size:11px}.closing{padding:32px 16px;margin-bottom:36px}footer{padding:20px;flex-direction:column;gap:12px}footer nav{gap:18px}}