:root{--blue:#2f7fd1;--deep:#1d4f8a;--sky:#eef6ff;--ice:#dbeeff;--text:#1f2d3d;--muted:#5b6b7d;--warn:#e8890c;--err:#d64545;--r:16px}
*{box-sizing:border-box}
html,body{margin:0;background:var(--sky);color:var(--text);font:18px/1.6 -apple-system,"PingFang TC","Noto Sans TC","Heiti TC",sans-serif;-webkit-text-size-adjust:100%}
a{color:var(--blue)}
main{max-width:760px;margin:0 auto;padding:12px 14px 40px}
body.sub main{padding-top:calc(70px + env(safe-area-inset-top))}
.loading{text-align:center;color:var(--muted);margin-top:40vh}
#topbar{position:fixed;top:0;left:0;right:0;z-index:20;display:flex;align-items:center;gap:8px;padding:calc(8px + env(safe-area-inset-top)) 10px 8px;background:#fff;box-shadow:0 2px 8px #0002}
#topbar button,#topbar a{font:inherit;font-size:17px;border:0;border-radius:12px;padding:10px 14px;background:var(--ice);color:var(--deep);text-decoration:none;min-height:46px;cursor:pointer;white-space:nowrap}
#pageTitle{flex:1;text-align:center;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
/* home */
.hero{position:relative;border-radius:22px;overflow:hidden;display:flex;flex-direction:column;background:linear-gradient(170deg,#7cc3ff 0%,#b9e0ff 55%,#fff 100%);box-shadow:0 6px 18px #2f7fd133;margin-top:env(safe-area-inset-top)}
.hero img{display:block;width:100%;aspect-ratio:16/10;object-fit:cover;object-position:50% 35%;position:relative;z-index:1}
.hero:has(img) svg{display:none}
.hero:has(img) .cap{background:linear-gradient(90deg,#1d4f8a,#2f7fd1);padding:14px 20px 16px;text-shadow:none}
.hero:not(:has(img)){min-height:300px}
.hero svg{position:absolute;inset:0;width:100%;height:100%}
.hero .cap{position:relative;z-index:2;padding:26px 22px;color:#fff;text-shadow:0 2px 6px #0005}
.hero h1{margin:0;font-size:clamp(22px,7vw,34px);line-height:1.15;letter-spacing:.04em;white-space:nowrap;font-weight:800}
.hero .dates{font-size:18px;margin-top:2px;font-weight:600}
.remind{margin:14px 0;background:#fff;border-left:6px solid var(--warn);border-radius:var(--r);padding:12px 16px;font-size:19px}
.remind b{color:var(--warn)}
.bigbtns{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.bigbtns a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-height:110px;background:#fff;border-radius:20px;text-decoration:none;color:var(--deep);font-size:21px;font-weight:700;box-shadow:0 3px 10px #1d4f8a1f}
.bigbtns a span{font-size:38px}
.bigbtns a:first-child{grid-column:1/-1;background:var(--blue);color:#fff;min-height:96px;flex-direction:row;gap:12px}
.foot{margin-top:22px;text-align:center;color:var(--muted);font-size:14px}
.smallbtn{font:inherit;font-size:15px;border:1px solid var(--blue);color:var(--blue);background:#fff;border-radius:999px;padding:8px 16px;cursor:pointer;min-height:40px}
/* cards & lists */
h2{font-size:24px;margin:8px 0 12px;color:var(--deep)}
h3{font-size:20px;margin:18px 0 8px;color:var(--deep)}
.card{position:relative;background:#fff;border-radius:var(--r);padding:14px 16px;margin:10px 0;box-shadow:0 2px 8px #1d4f8a14}
a.card{display:block;text-decoration:none;color:inherit}
a.card:active{background:var(--ice)}
.row{display:flex;gap:12px;align-items:flex-start}
.time{min-width:62px;font-weight:700;color:var(--blue);font-variant-numeric:tabular-nums}
.time small{display:block;font-weight:400;color:var(--muted);font-size:14px}
.ico{font-size:26px;line-height:1.2}
.title{font-size:19px;font-weight:600}
.meta{color:var(--muted);font-size:15px;margin-top:4px}
.cost{display:inline-block;background:#fff4e0;color:#8a5200;border-radius:8px;padding:1px 8px;font-size:15px;margin-top:4px}
.phrase{margin-top:8px;background:var(--sky);border-radius:10px;padding:8px 10px;font-size:16px}
.badge{display:inline-block;font-size:13px;font-weight:700;border-radius:999px;padding:2px 9px;margin-left:6px;vertical-align:middle;color:#fff;background:var(--warn)}
.badge.err{background:var(--err)}
.daylink .d{font-size:20px;font-weight:700}
.tag{display:inline-block;font-size:14px;border-radius:999px;padding:1px 10px;background:var(--ice);color:var(--deep);margin-right:6px}
.tag.asa{background:#e6f7ef;color:#1d6b46}
.ja{font-size:22px}
ruby rt{font-size:14px;color:var(--muted)}
.speak{border:0;background:var(--ice);border-radius:999px;width:44px;height:44px;font-size:20px;cursor:pointer;vertical-align:middle;margin-left:6px}
dl.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;margin:0}
dl.kv dt{color:var(--muted);white-space:nowrap}
dl.kv dd{margin:0;white-space:pre-wrap}
.mapbtn{display:block;width:100%;font:inherit;font-size:22px;font-weight:700;padding:18px;border:0;border-radius:18px;background:var(--blue);color:#fff;margin:12px 0;cursor:pointer;min-height:64px}
.thumb{width:100%;border-radius:12px;display:block}
.gloss table{width:100%;border-collapse:collapse;font-size:16px}
.gloss td{padding:6px 4px;border-bottom:1px solid var(--ice);vertical-align:top}
.gloss td:first-child{font-weight:600;white-space:nowrap;padding-right:10px}
.gloss tr.danger td{background:#ffe9e9;color:#a01818;font-weight:700}
.desc{white-space:pre-wrap}
.note{background:#fffbe6;border-radius:12px;padding:10px 14px;margin:8px 0;color:#6b5600}
label.chk{display:flex;gap:12px;align-items:flex-start;cursor:pointer}
label.chk input{width:28px;height:28px;flex:none;margin-top:2px;accent-color:var(--blue)}
label.chk.done .title{text-decoration:line-through;color:var(--muted)}
.kidtag{font-size:13px;background:#ffe3f0;color:#a0336b;border-radius:999px;padding:1px 8px;margin-left:6px}
/* overlay */
#mapOverlay{position:fixed;inset:0;z-index:50;background:#000;display:flex;flex-direction:column}
#mapOverlay[hidden]{display:none}
.ov-bar{display:flex;align-items:center;gap:8px;padding:calc(8px + env(safe-area-inset-top)) 10px 8px;background:#111;color:#fff}
.ov-bar span{flex:1;font-weight:700}
.ov-bar a,.ov-bar button{font:inherit;font-size:16px;color:#fff;background:#333;border:0;border-radius:10px;padding:10px 14px;text-decoration:none;min-height:44px}
.ov-scroll{flex:1;overflow:auto;-webkit-overflow-scrolling:touch;touch-action:pan-x pan-y pinch-zoom}
.ov-scroll img{display:block;width:100%;height:auto}
.ov-scroll.zoom img{width:250%;max-width:none}
#topbar[hidden]{display:none}
.ov-hint{color:#aaa;font-size:14px;text-align:center;padding:6px}
/* blocks */
.block{border-radius:20px;padding:6px 14px 12px;margin:14px 0}
.block h3{margin:10px 2px 8px}
.block.nagano{background:#dcecff}
.block.asahikawa{background:#dcf5e8}
.block.asahikawa h3{color:#1d6b46}
.dategrid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.datebtn{position:relative;display:flex;align-items:center;justify-content:center;min-height:64px;background:#fff;border-radius:14px;text-decoration:none;color:var(--deep);font-size:19px;font-weight:700;box-shadow:0 2px 6px #1d4f8a1a}
.asahikawa .datebtn{color:#1d6b46}
.datebtn:active{background:var(--ice)}
.datebtn i{position:absolute;top:8px;right:8px;width:10px;height:10px;border-radius:50%;background:var(--warn)}

.navbtn{display:block;width:100%;text-align:center;font:inherit;font-size:22px;font-weight:700;padding:18px;border:0;border-radius:18px;background:#1d6b46;color:#fff;margin:12px 0;text-decoration:none;min-height:64px;box-sizing:border-box}
.navbtn:active{opacity:.9}
.phrases{margin-top:28px}
.phrases h2{margin-bottom:4px}
.phrase-item{background:#fff;border-radius:var(--r);padding:12px 14px;margin:8px 0;box-shadow:0 2px 8px #1d4f8a14}
.phrase-item.danger{background:#ffe9e9;box-shadow:none;border:1px solid #f0b4b4}
.phrase-item.danger .ja{color:#a01818}
.phrase-item .ja{font-size:20px;font-weight:600}