/* カート・購入フロー・会員まわり */
.flow{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;padding:12px 10px 10px;border-bottom:1px solid var(--line);counter-reset:f}
.flow li{position:relative;text-align:center;font-size:10px;font-weight:700;color:#9aa3b5;line-height:1.3}
.flow li i{display:flex;width:26px;height:26px;margin:0 auto 4px;border-radius:50%;background:#E4E8EF;color:#9aa3b5;font-style:normal;font-family:var(--num);font-size:14px;align-items:center;justify-content:center;position:relative;z-index:1}
.flow li::before{content:"";position:absolute;top:13px;left:-50%;right:50%;height:3px;background:#E4E8EF}
.flow li:first-child::before{display:none}
.flow li.done,.flow li.on{color:var(--navy)}
.flow li.done i{background:var(--navy);color:#fff}
.flow li.on i{background:var(--yellow);color:var(--navy);box-shadow:0 0 0 4px rgba(255,194,14,.25)}
.flow li.done::before,.flow li.on::before{background:var(--navy)}

.lines{padding:10px 14px 0;display:grid;gap:10px}
.line{position:relative;display:flex;gap:12px;padding:12px}
.line img{width:84px;height:84px;border-radius:10px;object-fit:contain;background:#F6F7F9}
.line .lb{flex:1;min-width:0}
.line .code{font-family:var(--num);font-size:11px;color:var(--muted)}
.line .ln{font-size:12.5px;font-weight:700;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;padding-right:18px}
.line .ls{font-size:11px;color:var(--muted)}
.line .lf{display:flex;align-items:center;justify-content:space-between;margin-top:6px}
.line .lf .price{font-size:20px}
.line .del{position:absolute;top:6px;right:6px;width:28px;height:28px;border-radius:50%;color:#9aa3b5;font-size:18px}
.step{display:flex;align-items:center;border:1.5px solid var(--line);border-radius:22px;overflow:hidden;background:#fff}
.step button{width:40px;height:38px;font-size:19px;font-weight:700;color:var(--navy)}
.step output{width:36px;text-align:center;font-family:var(--num);font-size:19px;font-weight:700}
.step.sm button{width:34px;height:32px;font-size:17px}
.step.sm output{width:28px;font-size:17px}
.empty{padding:30px 16px;text-align:center;color:var(--muted)}

.sum{margin:16px 14px 0;padding:14px}
.sum dl{display:grid;grid-template-columns:1fr auto;gap:8px;font-size:13px}
.sum dt{color:var(--muted)}
.sum dd{text-align:right;font-weight:700}
.sum .tot{display:flex;justify-content:space-between;align-items:baseline;border-top:2px solid var(--navy);margin-top:12px;padding-top:10px;font-weight:900}
.sum .tot .price{font-size:28px}

.loginbox{margin:12px 14px 0;padding:14px;border-radius:var(--r);background:var(--navy3);text-align:center}
.loginbox b{display:block;color:var(--navy);font-size:14px}
.loginbox span{font-size:11px;color:var(--muted)}

.buybar{position:fixed;left:50%;transform:translateX(-50%);bottom:0;width:100%;max-width:430px;background:#fff;border-top:1px solid var(--line);padding:10px 14px calc(10px + env(safe-area-inset-bottom));display:flex;align-items:center;gap:12px;z-index:55;box-shadow:0 -6px 18px rgba(11,37,89,.1)}
body:not([data-notab]) .buybar{bottom:calc(var(--tab) + env(safe-area-inset-bottom));padding-bottom:10px}
body:not([data-notab]) .app{padding-bottom:calc(var(--tab) + 76px + env(safe-area-inset-bottom))}
body[data-notab] .app{padding-bottom:calc(84px + env(safe-area-inset-bottom))}
.buybar .bp{line-height:1.2;white-space:nowrap}
.buybar .bp>small{display:block;font-size:10px;color:var(--muted)}
.buybar .bp .price{font-size:24px}
.buybar .btn{flex:1;height:50px;font-size:15px}

/* 入力フォーム */
.fbox{margin:12px 14px 0;padding:16px 14px 4px}
.fbox h2{font-size:15px;font-weight:900;color:var(--navy);margin-bottom:12px;display:flex;align-items:center;gap:8px}
.fbox h2::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--yellow)}
.opt{display:grid;gap:8px;margin-bottom:14px}
.opt label{position:relative;display:flex;align-items:center;gap:10px;border:2px solid var(--line);border-radius:12px;padding:12px;cursor:pointer;font-size:13px;font-weight:700}
.opt input{position:absolute;opacity:0}
.opt .rd{flex:none;width:20px;height:20px;border-radius:50%;border:2px solid #b8c0cf}
.opt label small{display:block;font-weight:400;font-size:11px;color:var(--muted)}
.opt label img{height:20px;width:auto;margin-left:auto}
.opt label.on{border-color:var(--navy);background:var(--navy3)}
.opt label.on .rd{border:6px solid var(--navy)}
.note{font-size:11px;color:var(--muted);line-height:1.7;padding:0 14px;margin-top:10px}
.confirm-sec{margin:12px 14px 0;padding:14px}
.confirm-sec h3{display:flex;justify-content:space-between;font-size:13px;color:var(--navy);margin-bottom:8px}
.confirm-sec h3 a{font-size:12px;color:var(--navy2);text-decoration:underline}
.confirm-sec p{font-size:12.5px;line-height:1.7}
.mini{display:flex;gap:10px;align-items:center;padding:8px 0;border-bottom:1px solid var(--line);font-size:12px}
.mini img{width:46px;height:46px;border-radius:8px;object-fit:contain;background:#F6F7F9}
.mini span{flex:1;font-weight:700;line-height:1.4}
.mini b{font-family:var(--num);font-size:16px}