:root{--paper:#fbfbfa;--sumi:#17191c;--awa:#6b7076;--ai:#1e3a5c;--kei:#e3e4e1;--mincho:"Noto Serif JP","Hiragino Mincho ProN","Yu Mincho",serif;--gothic:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Noto Sans JP","Yu Gothic",sans-serif;--col:600px}*{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%}body{background:var(--paper);color:var(--sumi);font-family:var(--gothic);letter-spacing:.02em;font-feature-settings:"palt";font-size:17px;line-height:1.95}.wrap{max-width:var(--col);margin:0 auto;padding:0 24px}section{padding:100px 0}section+section{border-top:1px solid var(--kei)}h1,h2,h3{font-family:var(--mincho);letter-spacing:.01em;font-weight:600}h1{letter-spacing:-.03em;font-size:clamp(19px,5.5vw - 1.4px,32px);line-height:1.75}h2{margin-bottom:28px;font-size:23px;line-height:1.8}h3{color:var(--ai);margin:60px 0 18px;font-size:19px;line-height:1.8}p{margin-bottom:1.5em}p:last-child{margin-bottom:0}strong{font-weight:500}.lead{font-size:17px}.awa{color:var(--awa);font-size:13.5px;line-height:1.8}.eyebrow{font-family:var(--mincho);color:var(--awa);letter-spacing:.22em;margin-bottom:20px;font-size:12px}.cta{margin:44px 0 0}.btn{background:var(--ai);color:#fff;width:100%;font-family:var(--mincho);letter-spacing:.06em;cursor:pointer;border:none;border-radius:6px;padding:20px 16px;font-size:17px;font-weight:400;transition:opacity .16s,transform .1s;display:block}.btn:hover{opacity:.86}.btn:active{transform:translateY(1px)}.btn:focus-visible{outline:2px solid var(--sumi);outline-offset:3px}.cta .note{text-align:center;color:var(--awa);margin-top:12px;font-size:12.5px}.symptoms{border-top:1px solid var(--kei)}.symptoms li{border-bottom:1px solid var(--kei);padding:22px 0;line-height:1.8;list-style:none}.flow{justify-content:center;margin:54px 0;display:flex}.flow svg{width:90%;max-width:420px;height:auto}footer{border-top:1px solid var(--kei);padding:36px 0 56px}footer .links{flex-wrap:wrap;gap:20px;margin-bottom:14px;display:flex}footer a{color:var(--awa);border-bottom:1px solid var(--kei);padding-bottom:2px;font-size:12.5px;text-decoration:none}footer a:hover{color:var(--sumi)}footer .copy{color:var(--awa);letter-spacing:.04em;font-size:11.5px}.author{align-items:center;gap:16px;margin-top:36px;display:flex}.author .ph{object-fit:cover;background:var(--kei);filter:saturate(.9);border-radius:50%;flex:none;width:68px;height:68px}.author .nm{font-family:var(--mincho);font-size:15px}.todo{color:#9a5b3d;font-size:12.5px}.exclude{color:var(--awa);font-size:15px}.exclude li{padding:6px 0;list-style:none}.diag{background:var(--paper);z-index:50;display:none;position:fixed;inset:0;overflow-y:auto}.diag.on{display:block}.diag-close{z-index:51;cursor:pointer;font-family:var(--mincho);color:var(--awa);letter-spacing:.12em;background:0 0;border:none;padding:8px 10px;font-size:13px;position:fixed;top:14px;left:14px}.diag-close:hover{color:var(--sumi)}.diag-close:focus-visible{outline:2px solid var(--ai);outline-offset:2px}.diag-inner{max-width:var(--col);flex-direction:column;justify-content:center;min-height:100%;margin:0 auto;padding:64px 24px 96px;display:flex}.step{font-family:var(--mincho);color:var(--awa);letter-spacing:.2em;margin-bottom:24px;font-size:12px}.qtext{font-family:var(--mincho);margin-bottom:32px;font-size:19px;line-height:1.85}.opts{border-top:1px solid var(--kei)}.opt{text-align:left;border:none;border-bottom:1px solid var(--kei);width:100%;font-family:var(--gothic);color:var(--sumi);letter-spacing:.02em;cursor:pointer;background:0 0;padding:20px 28px 20px 2px;font-size:15.5px;line-height:1.75;transition:background .14s;display:block;position:relative}.opt:hover{background:#1e3a5c0a}.opt:focus-visible{outline:2px solid var(--ai);outline-offset:-2px}.opt:after{content:"";border-right:1px solid var(--awa);border-top:1px solid var(--awa);width:6px;height:6px;position:absolute;top:50%;right:6px;transform:translateY(-50%)rotate(45deg)}.fade{animation:.18s fade}@keyframes fade{0%{opacity:0}to{opacity:1}}.recap{border-top:1px solid var(--kei);margin-bottom:32px}.recap li{border-bottom:1px solid var(--kei);color:var(--awa);padding:14px 0 14px 30px;font-size:15px;line-height:1.7;list-style:none;position:relative}.recap li span{font-family:var(--mincho);color:var(--ai);font-size:13px;position:absolute;top:14px;left:0}.naming{text-align:center;margin:52px 0}.naming .word{font-family:var(--mincho);color:var(--ai);letter-spacing:.04em;margin-bottom:18px;font-size:30px;line-height:1.5;display:block}.naming .sub{font-family:var(--mincho);font-size:16px;line-height:1.85}.unfinished{font-family:var(--mincho);border-top:1px solid var(--kei);border-bottom:1px solid var(--kei);padding:28px 0;font-size:16px;line-height:1.95}.after-note{text-align:center;color:var(--awa);margin-top:12px;font-size:12.5px}@media (max-width:420px){.naming .word{font-size:25px}section{padding:84px 0}}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}