/* 誕生日の詩箋 — design A (washi + vermilion), light only */
.bd{--paper:#f3eee3;--ink:#1d1b18;--sumi:#4f4a43;--usu:#8b8478;--shu:#b13a2b;--rule:rgba(29,27,24,.12);--jp:"Shippori Mincho","Noto Serif JP",serif}
main.bd{max-width:1180px;font-family:var(--jp);letter-spacing:.06em}
body:has(main.bd){background:#f3eee3 url(/img/birthday/washi.webp)}
.bd .tate{writing-mode:vertical-rl;text-orientation:mixed;font-size:inherit;line-height:inherit;letter-spacing:inherit}
.bd-seal{display:inline-block;vertical-align:middle}
/* input */
.bd-in{display:flex;flex-direction:column;align-items:center;padding:20px 8px 40px}
.bd-hero{display:flex;flex-direction:row-reverse;gap:22px;align-items:flex-start;margin:28px 0 0;position:relative}
.bd-hero h1{font-weight:500;font-size:38px;letter-spacing:.42em;margin:0;line-height:1.2}
.bd-hero .lead{font-size:15px;color:var(--sumi);letter-spacing:.32em;line-height:2.1;margin:58px 0 0}
.bd-hero .bd-seal{position:absolute;right:-2px;bottom:-46px;width:30px;height:30px}
.bd-form{width:100%;max-width:360px;margin-top:80px}
.bd .lbl{font-size:12px;letter-spacing:.4em;color:var(--usu);text-align:center}
.bd-date{display:flex;justify-content:center;align-items:baseline;gap:10px;margin:14px 0 0}
.bd-fld{position:relative;min-width:84px;text-align:center;border-bottom:1px solid rgba(29,27,24,.35);padding:0 6px 4px}
.bd-fld b{font-family:"EB Garamond",Georgia,serif;font-weight:400;font-size:56px;line-height:1;letter-spacing:0}
.bd-fld select{position:absolute;inset:0;opacity:0;font-size:16px;cursor:pointer;width:100%}
.bd-unit{font-size:17px;color:var(--sumi);margin-right:6px}
.bd-go{display:block;width:100%;margin:52px 0 0;padding:19px 0;border:0;border-radius:2px;background:var(--ink);color:var(--paper);font-family:var(--jp);font-size:15px;letter-spacing:.5em;text-indent:.5em;cursor:pointer}
.bd-fine{margin-top:22px;font-size:11.5px;line-height:2;color:var(--usu);text-align:center;letter-spacing:.12em}
.bd-months{margin:72px auto 0;max-width:760px;font-size:13px;line-height:2.2;color:var(--sumi)}
.bd-months details{border-top:1px solid var(--rule);padding:8px 0}
.bd-months summary{cursor:pointer;letter-spacing:.3em;color:var(--sumi);list-style:none}
.bd-months summary::-webkit-details-marker{display:none}
.bd-months a{display:inline-block;min-width:3.2em;color:var(--sumi);text-decoration:none}
@media(min-width:900px){
 .bd-in{flex-direction:row;justify-content:center;align-items:center;gap:120px;min-height:66vh}
 .bd-hero{margin:0}.bd-hero h1{font-size:60px}.bd-hero .lead{font-size:18px;margin-top:96px}
 .bd-hero .bd-seal{width:44px;height:44px;bottom:-70px}
 .bd-form{margin:0;max-width:540px;padding-left:120px;border-left:1px solid var(--rule)}
 .bd-fld b{font-size:72px}.bd .bd-form .lbl,.bd-fine{text-align:left}.bd-date{justify-content:flex-start}
}
/* result */
.bd-res{padding:6px 0 40px}
.bd-for{text-align:center;font-size:13px;letter-spacing:.32em;color:var(--shu);margin:6px 0 18px;line-height:1.9}
.bd-card{display:block;width:100%;height:auto;aspect-ratio:1080/1350;box-shadow:0 1px 0 rgba(0,0,0,.04),0 24px 48px -28px rgba(60,40,20,.35)}
.bd-acts{display:flex;gap:10px;margin:22px 0 0}
.bd-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:10px;padding:15px 0;border-radius:2px;font-size:14px;letter-spacing:.2em;text-decoration:none;border:1px solid rgba(29,27,24,.5);color:var(--ink);background:transparent;font-family:inherit;cursor:pointer}
.bd-btn.fill{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.bd-btn svg{width:15px;height:15px}
.bd-sub{display:flex;justify-content:center;gap:28px;margin:16px 0 0;font-size:12.5px;letter-spacing:.16em}
.bd-sub a,.bd-sub button{color:var(--usu);text-decoration:none;background:none;border:0;font:inherit;letter-spacing:inherit;cursor:pointer;padding:0}
.bd-sec{margin:52px 0 0}
.bd-sec h2{font-weight:500;font-size:12px;letter-spacing:.42em;color:var(--shu);margin:0 0 16px;display:flex;align-items:center;gap:12px;border:0;padding:0}
.bd-sec h2:after{content:"";flex:1;height:1px;background:var(--rule)}
.bd-bk{display:flex;gap:22px;align-items:center}
.bd-bk .bd-seal{width:96px;height:96px;flex:none}
.bd-bk .t1{font-size:12px;letter-spacing:.3em;color:var(--usu)}
.bd-bk .t2{font-size:22px;letter-spacing:.12em;margin-top:4px;line-height:1.6}
.bd-bk .t3{font-size:13px;color:var(--sumi);letter-spacing:.08em;margin-top:6px;line-height:1.8}
.bd-koyomi p{margin:0;font-size:15px;line-height:2;color:var(--sumi)}
.bd-koyomi .fest{font-size:17px;color:var(--ink);margin-top:6px}
.bd-koyomi .fest b{font-weight:500;color:var(--shu)}
.bd-koyomi .yr{display:flex;align-items:center;gap:10px;margin-top:12px;font-size:12px;color:var(--usu);letter-spacing:.12em}
.bd-koyomi select{font-family:inherit;font-size:14px;background:transparent;border:0;border-bottom:1px solid rgba(29,27,24,.35);color:var(--ink);padding:2px 4px}
.bd-kd p{margin:0;font-size:18px;line-height:2.5;letter-spacing:.08em}
.bd-kd rt{font-size:.46em;color:var(--usu);letter-spacing:0}
.bd-orig{font-size:15px;color:var(--usu);letter-spacing:.3em;margin:0 0 10px;line-height:2}
.bd-tr{font-size:15.5px;line-height:2.15;color:var(--sumi);margin:0;text-align:justify}
.bd-more{display:inline-block;margin-top:18px;font-size:13px;letter-spacing:.18em;color:var(--ink);text-decoration:none;border-bottom:1px solid rgba(29,27,24,.35);padding-bottom:3px}
.bd-subp{font-size:14px;letter-spacing:.08em;line-height:1.9;margin:0}.bd-subp span{color:var(--sumi);font-size:13px}
.bd-app{margin:56px 0 0;padding:18px 0;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);font-size:12.5px;color:var(--usu);letter-spacing:.08em;display:flex;justify-content:space-between;align-items:center;gap:12px}
.bd-app a{white-space:nowrap;font-size:12px;letter-spacing:.14em;text-decoration:none;color:var(--ink);border:1px solid rgba(29,27,24,.4);border-radius:999px;padding:7px 14px}
.bd-nav{display:flex;justify-content:space-between;margin:28px 0 0;font-size:12.5px;letter-spacing:.14em}
.bd-nav a{color:var(--usu);text-decoration:none}
.bd-toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:var(--ink);color:var(--paper);font-size:13px;letter-spacing:.14em;padding:10px 18px;border-radius:2px;opacity:0;transition:opacity .2s;pointer-events:none}
.bd-toast.on{opacity:1}
@media(min-width:900px){
 .bd-res{display:grid;grid-template-columns:480px 1fr;gap:88px;align-items:start;padding-top:20px}
 .bd-res .left{position:sticky;top:24px}.bd-for{text-align:left}
 .bd-res .right{padding-top:40px}.bd-sec:first-child{margin-top:0}.bd-kd p{font-size:20px}
}
/* v3 */
.bd-today{max-width:360px;margin:8px auto 40px;text-align:center}
.bd-today h2{font-size:13px;letter-spacing:.4em;color:var(--usu,#8b8478);font-weight:400;margin:0 0 14px}
.bd-today a{color:inherit;text-decoration:none;display:block}
.bd-today .bd-card{width:100%;height:auto;box-shadow:0 10px 30px rgba(60,40,20,.10)}
.bd-today .cap{display:block;margin-top:12px;font-size:14px;letter-spacing:.16em;color:#b13a2b}
.bd-btn.line{border-color:#06c755;color:#06c755}
.bd-twin{font-size:13px;letter-spacing:.12em;color:#8b8478;margin-top:14px}
.bd-twin a{color:#b13a2b}
.bd-gift{border:1px solid rgba(177,58,43,.25);padding:18px;margin-top:6px}
.bd-gift label{display:block;font-size:12px;letter-spacing:.2em;color:#8b8478;margin:10px 0 4px}
.bd-gift input,.bd-gift textarea{width:100%;box-sizing:border-box;font:inherit;font-size:16px;padding:10px 12px;border:1px solid #d8cfbf;background:#fbf8f2;color:#1d1b18;border-radius:2px}
.bd-gift textarea{resize:none;height:64px}
.bd-gift .cnt{float:right;letter-spacing:0}
.bd-gift .acts{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.bd-gift img{width:100%;height:auto;margin-top:14px;box-shadow:0 8px 24px rgba(60,40,20,.10)}
.bd-koyomi .yr{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:4px 0 10px}
.bd-koyomi .yr select{font-size:16px;padding:4px 8px}
/* share block v2: one primary + one row of equal icon buttons */
.bd-share{margin:22px 0 0}
.bd-primary{display:flex;align-items:center;justify-content:center;gap:10px;height:48px;border-radius:2px;background:var(--ink);color:var(--paper);text-decoration:none;font-size:15px;letter-spacing:.16em;border:0;width:100%;font-family:inherit;cursor:pointer;box-sizing:border-box}
.bd-primary svg{width:18px;height:18px}
.bd-icons{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:4px;margin:18px 0 0}
.bd-ic{display:flex;flex-direction:column;align-items:center;gap:6px;background:none;border:0;padding:0;font:inherit;color:var(--ink);text-decoration:none;cursor:pointer;min-width:0}
.bd-ic[hidden]{display:none}
.bd-ic .c{width:44px;height:44px;border-radius:50%;border:1px solid rgba(29,27,24,.28);display:flex;align-items:center;justify-content:center;transition:background .15s}
.bd-ic:hover .c,.bd-ic:focus-visible .c{background:rgba(29,27,24,.06)}
.bd-ic svg{width:20px;height:20px}
.bd-ic .l{font-size:11px;letter-spacing:0;color:var(--sumi);white-space:nowrap;line-height:1.2;max-width:100%;overflow:hidden;text-overflow:clip}
@media (max-width:400px){.bd-icons{gap:0}.bd-ic .c{width:42px;height:42px}.bd-ic .l{font-size:10px}}
.bd-zh .bd-ic .l,.bd-en .bd-ic .l{font-family:var(--lat,inherit)}
.bd-story{display:block;text-align:center;margin:16px 0 0;font-size:12.5px;letter-spacing:.08em;color:var(--usu);text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(139,132,120,.4)}
.bd-nav .bd-other{color:var(--usu)}
.bd-gift .acts{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.bd-gift #gMake{grid-column:1/-1}
.bd-gift .acts:has(#gShare[hidden]) #gSave{grid-column:1/-1}
.bd-gift:has(#gOut:not([hidden])) #gMake{order:3;background:transparent;color:var(--ink);border-color:rgba(29,27,24,.5)}
.bd-gift .acts .bd-btn{height:48px;padding:0;flex:none;border-radius:2px}
.bd-gift .acts .bd-btn[hidden]{display:none}
/* ---- layout audit fixes ---- */
.bd{--usu:#6e685e}
.bd-twin,.bd-gift label{color:var(--usu)}
.bd-nav{align-items:center}
.bd-nav a{display:inline-flex;align-items:center;min-height:44px}
.bd-story{padding:12px 0;margin-top:4px}
.bd .yr select,#kySel{min-height:44px}
.bd details>summary{padding:11px 0;line-height:1.5}
.bd-res .bd-app a,.bd a.app,.bd .bd-app .btn{min-height:44px}
.bd-months a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;min-width:44px}
.bd-months summary{min-height:44px;display:flex;align-items:center}
.bd-more{display:inline-flex;align-items:center;min-height:44px}
.bd-today a{min-height:44px}
.bd-koyomi .yr select,#kySel{padding:6px 1.6em 6px 10px;box-sizing:border-box}