:root{--paper:#f8f3eb;--ink:#254d57;--white:#fffefa;--sage:#e4ece0;--muted:#5d7979}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.7 -apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,select{font:inherit;color:inherit}button,a,select{touch-action:manipulation}button{border:0;cursor:pointer}button:disabled{opacity:.3;cursor:default}a:focus-visible,button:focus-visible,select:focus-visible,.slide-viewport:focus-visible{outline:3px solid #bc7946;outline-offset:4px}svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}h1,p,figure{margin:0}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip{position:fixed;left:12px;top:-80px;background:var(--ink);color:white;padding:12px 20px;z-index:20}.skip:focus{top:12px}.reason-header{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 4%;max-width:1500px;margin:auto}.brand{font-family:Arial,Helvetica,sans-serif;font-size:38px;font-weight:800;letter-spacing:-3px;line-height:1}.reason-header nav{display:flex;gap:22px;align-items:center;font-size:14px}.shop-link{display:flex;align-items:center;gap:10px;min-height:44px;padding:9px 18px;background:var(--sage);border-radius:30px}.back-guide{min-height:44px;display:flex;align-items:center}main{max-width:1320px;padding:0 3% 28px;margin:auto}.chapter-nav{display:flex;align-items:center;justify-content:center;gap:8px;padding:2px 0 14px}.chapter-nav button{border-radius:24px;background:transparent;padding:10px 20px;min-height:44px;font-size:15px;font-weight:600}.chapter-nav button[aria-current]{background:var(--ink);color:var(--white)}.chapter-nav button:hover:not([aria-current]){background:var(--sage)}.reader-controls{display:flex;align-items:center;gap:16px;max-width:950px;margin:0 auto 8px}.reader-controls>button{display:grid;place-items:center;background:var(--ink);color:var(--white);width:44px;height:44px;flex:none;border-radius:50%}.reader-prev svg{transform:rotate(180deg)}.slide-picker{flex:1;min-width:0}.slide-picker select{appearance:auto;max-width:100%;width:100%;border:0;background:transparent;padding:10px 4px;font-size:14px;text-overflow:ellipsis}.reader-count{font-variant-numeric:tabular-nums;white-space:nowrap;font-size:14px}.slide-viewport{border-radius:24px}.reason-slide{display:grid;grid-template-columns:1.15fr 1fr;grid-template-rows:auto 1fr;gap:0 3%;align-items:center;min-height:560px}.slide-heading{grid-column:2;grid-row:1;align-self:end;padding:25px 0 24px}.slide-heading h1{font-size:clamp(30px,3.1vw,44px);line-height:1.45;letter-spacing:-.035em;font-weight:700}.slide-intro{font-size:16px;line-height:1.8;margin-bottom:16px}.slide-art{grid-column:1;grid-row:1/3;align-self:center}.slide-art img{display:block;width:100%;height:auto}.slide-message{grid-column:2;grid-row:2;align-self:start;padding:22px 24px;background:var(--white);border-radius:24px}.takeaway{font-size:clamp(21px,2vw,27px);line-height:1.6;font-weight:650;letter-spacing:-.025em}.slide-note{font-size:14px;line-height:1.9;color:var(--muted);margin-top:18px}.reader-bottom{display:flex;justify-content:flex-end;align-items:center;gap:18px;margin:12px 0 26px}.reader-bottom button{display:flex;align-items:center;gap:15px;min-height:48px;padding:10px 22px;border-radius:28px}.bottom-prev{background:transparent}.bottom-next{background:var(--sage)}.read-on{display:flex;justify-content:center;gap:24px;font-size:14px}.read-on a{display:flex;align-items:center;gap:10px;min-height:44px;padding:8px 4px}.final-actions{display:grid;gap:12px;margin-top:24px}.final-actions a{display:flex;justify-content:center;align-items:center;gap:10px;min-height:48px;padding:10px 14px;border-radius:28px;font-size:15px}.primary-link{background:var(--ink);color:var(--white)}.guide-link{background:var(--sage)}
@media(min-width:1500px){.reason-slide{min-height:640px}}
@media(max-width:800px){.reason-header{padding:18px 5% 16px;gap:12px}.brand{font-size:32px}.reason-header nav{gap:14px;font-size:13px}.shop-link{padding:7px 12px;gap:6px}.shop-link svg{width:18px}main{padding:0 3% 22px}.chapter-nav{gap:3px;padding:0 0 10px}.chapter-nav button{font-size:13px;padding:8px 11px;min-height:40px}.reader-controls{gap:8px;margin:0 0 10px}.reader-controls>button{width:38px;height:38px}.reader-count{font-size:12px}.slide-picker select{font-size:12px;padding:8px 0}.reason-slide{display:flex;flex-direction:column;gap:0;min-height:0;align-items:stretch}.slide-heading{order:0;padding:12px 2% 4px;align-self:stretch}.slide-heading h1{font-size:clamp(26px,5.3vw,34px);line-height:1.4}.slide-intro{font-size:14px;margin:0 0 8px;line-height:1.7}.slide-art{order:1;width:100%;max-width:620px;margin:auto}.slide-message{order:2;padding:18px 18px 20px;border-radius:20px}.takeaway{font-size:clamp(19px,4.4vw,24px);line-height:1.6}.slide-note{font-size:13px;line-height:1.85;margin-top:12px}.reader-bottom{justify-content:space-between;margin:12px 0 14px}.reader-bottom button{min-height:44px;padding:9px 18px;font-size:14px}.read-on{gap:8px;flex-wrap:wrap;font-size:13px}.final-actions{margin-top:18px;gap:10px}.final-actions a{font-size:14px}}
@media(max-width:359px){.reason-header{padding-left:4%;padding-right:4%}.reason-header nav{gap:10px}.chapter-nav button{font-size:12px;padding:8px 9px}.reader-controls{gap:5px}.reader-controls>button{width:34px;height:34px}.slide-heading h1{font-size:24px}.slide-message{padding:16px 14px}.takeaway{font-size:18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}