:root{
  --navy:#0b1a2e; --navy2:#13294a; --green:#1f8f4e; --green2:#2fbf6a;
  --yellow:#ffd23f; --orange:#ff8a1f; --red:#e53935; --white:#f4f6fa; --gray:#8a96a8;
  --font:'M PLUS 1p',system-ui,sans-serif; --dot:'DotGothic16',monospace;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;overflow:hidden;background:var(--navy);color:var(--white);font-family:var(--font);user-select:none;-webkit-user-select:none;touch-action:none}
#gl{position:fixed;inset:0;width:100%;height:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;color:inherit}

.screen{position:fixed;inset:0;display:none;flex-direction:column;align-items:center;padding:16px;padding-top:max(16px,env(safe-area-inset-top));z-index:2}
.screen.active{display:flex}
.overlay{background:rgba(5,12,24,.72);justify-content:center;z-index:5;backdrop-filter:blur(3px)}

/* ---------- タイトル ---------- */
#title{justify-content:center;gap:28px;background:linear-gradient(180deg,rgba(11,26,46,.15),rgba(11,26,46,.55))}
.sign-board{background:var(--white);color:#111;border-radius:10px;padding:18px 26px 0;min-width:min(520px,92vw);text-align:center;box-shadow:0 10px 0 #9aa3b0,0 18px 40px rgba(0,0,0,.5);border-top:10px solid var(--green);position:relative;overflow:hidden}
.sign-top{font-size:16px;letter-spacing:.5em;color:#333}
.sign-board h1{margin:2px 0 0;font-size:clamp(54px,14vw,96px);font-weight:800;letter-spacing:.12em;line-height:1.1}
.sign-sub{font-size:14px;letter-spacing:.4em;color:#555;margin-bottom:12px}
.sign-line{display:flex;justify-content:space-between;background:var(--green);color:#fff;margin:0 -26px;padding:8px 14px;font-size:13px;gap:10px}
.big-btn{background:linear-gradient(180deg,var(--green2),var(--green));font-size:24px;font-weight:800;padding:14px 56px;border-radius:999px;box-shadow:0 6px 0 #11522c,0 10px 20px rgba(0,0,0,.4);letter-spacing:.2em;transition:transform .08s}
.big-btn:active{transform:translateY(4px);box-shadow:0 2px 0 #11522c}
.big-btn.gray{background:linear-gradient(180deg,#6b7789,#4a5566);box-shadow:0 6px 0 #2c3440}
#btnStart{animation:pulse 1.6s infinite}
@keyframes pulse{50%{transform:scale(1.06)}}
.ticket-hint{font-size:12px;color:#cfd6e2;text-shadow:0 1px 3px #000;text-align:center}

/* ---------- ロード ---------- */
#loading{justify-content:center;background:var(--navy)}
.load-box{width:min(420px,90vw);text-align:center}
.load-train{font-size:56px;animation:run 1s linear infinite}
@keyframes run{0%{transform:translateX(-30px)}50%{transform:translateX(30px)}100%{transform:translateX(-30px)}}
.load-text{font-family:var(--dot);font-size:20px;margin:10px 0;color:var(--yellow)}
.load-bar{height:14px;background:#22344f;border-radius:7px;overflow:hidden;border:2px solid #34507a}
#loadFill{height:100%;width:0;background:repeating-linear-gradient(90deg,var(--yellow) 0 14px,var(--orange) 14px 28px);transition:width .15s}
.load-tip{margin-top:14px;font-size:13px;color:#b6c2d4;min-height:2em}

/* ---------- 共通トップバー ---------- */
.topbar{width:100%;max-width:900px;display:flex;align-items:center;gap:10px;background:var(--navy2);border-bottom:4px solid var(--green);padding:10px 14px;border-radius:10px}
.station-name{flex:1;font-size:22px;font-weight:800}
.station-name small{font-size:13px;color:var(--gray);margin-left:6px}
.coin-pill{background:#000a;border:2px solid var(--yellow);color:var(--yellow);border-radius:999px;padding:4px 14px;font-weight:800;font-size:18px;white-space:nowrap}
.back-btn{background:#2a3f63;padding:8px 12px;border-radius:8px;font-size:15px}

/* ---------- メニュー ---------- */
#menu,#shop,#upgrade,#achv{background:linear-gradient(180deg,rgba(11,26,46,.55),rgba(11,26,46,.85));gap:14px;overflow-y:auto}
.menu-current{width:100%;max-width:900px;background:#0008;border-radius:10px;padding:10px 14px;font-size:14px;color:#cfd6e2}
.menu-current b{color:var(--yellow);font-size:17px}
.menu-grid{width:100%;max-width:900px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:auto}
.menu-btn{background:var(--white);color:#111;border-radius:14px;padding:22px 10px;font-size:22px;font-weight:800;display:flex;flex-direction:column;align-items:center;gap:6px;box-shadow:0 6px 0 #9aa3b0;border-top:8px solid #2a3f63}
.menu-btn.run{border-top-color:var(--orange)}
.menu-btn .ic{font-size:42px}
.menu-btn small{font-size:12px;color:#556;font-weight:500}
.menu-btn:active{transform:translateY(4px);box-shadow:0 2px 0 #9aa3b0}
.menu-best{font-size:14px;color:#cfd6e2}
.menu-best b{color:var(--yellow)}
.link-btn{background:none;color:var(--gray);text-decoration:underline;margin-bottom:auto}
@media (max-width:600px){.menu-grid{grid-template-columns:1fr;gap:10px}.menu-btn{flex-direction:row;justify-content:flex-start;padding:14px 18px;font-size:21px;white-space:nowrap;gap:12px}.menu-btn .ic{font-size:32px}.menu-btn small{margin-left:auto}.sign-line{font-size:11px;padding:6px 10px}.sign-line span{white-space:nowrap}.station-name{font-size:18px}}

/* ---------- カード ---------- */
.card-list{width:100%;max-width:900px;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;padding-bottom:20px}
.card{background:var(--white);color:#111;border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:6px;border-left:8px solid var(--c,#888)}
.card h3{margin:0;font-size:19px}
.card .desc{font-size:12px;color:#556}
.card .stats{display:grid;grid-template-columns:auto 1fr;gap:2px 8px;font-size:12px;align-items:center}
.bar{height:8px;background:#dde2ea;border-radius:4px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--c,#2fbf6a)}
.card button{margin-top:auto;padding:10px;border-radius:8px;font-weight:800;font-size:16px;background:var(--green);color:#fff}
.card button.sel{background:#2a3f63}
.card button.cur{background:#bbb;color:#333;cursor:default}
.card button:disabled{background:#c8ced8;color:#778;cursor:default}
.lv-pips{display:flex;gap:3px}
.lv-pips i{flex:1;height:8px;background:#dde2ea;border-radius:2px}
.lv-pips i.on{background:var(--orange)}

/* ---------- HUD ---------- */
.hud{padding:0;pointer-events:none}
.hud button{pointer-events:auto}
.hud-top{position:absolute;top:max(8px,env(safe-area-inset-top));left:8px;right:8px;display:flex;gap:6px;align-items:stretch}
.hud-box{background:#000a;border-radius:8px;padding:4px 10px;font-family:var(--dot);display:flex;align-items:baseline;gap:4px;border-bottom:3px solid var(--green)}
.hud-box label{font-size:11px;color:var(--gray)}
.hud-box b{font-size:20px;color:var(--yellow);font-weight:400}
.hud-box i{font-size:11px;font-style:normal}
.hud-box.next{flex:1;justify-content:flex-start;overflow:hidden;white-space:nowrap}
.hud-box.next b{font-size:15px;color:#fff;overflow:hidden;text-overflow:ellipsis}
.hud-small{background:#000a;border-radius:8px;font-size:20px;width:42px}
.hud-warn{position:absolute;top:60px;left:50%;transform:translateX(-50%);font-weight:800;font-size:20px;color:#fff;background:var(--red);padding:4px 18px;border-radius:6px;display:none;animation:blink .4s infinite alternate}
@keyframes blink{to{opacity:.4}}
.hud-msg{position:absolute;top:30%;left:50%;transform:translateX(-50%);font-size:clamp(22px,5vw,38px);font-weight:800;text-shadow:0 3px 8px #000;text-align:center;white-space:nowrap;opacity:0;transition:opacity .3s}
.hud-msg.show{opacity:1}
.meter{position:absolute;left:10px;bottom:max(12px,env(safe-area-inset-bottom));background:#000b;border-radius:12px;padding:8px 14px;width:190px;border:2px solid #34507a}
.speed{font-family:var(--dot);display:flex;align-items:baseline;gap:4px}
.speed b{font-size:46px;font-weight:400;line-height:1;color:#7df9a8}
.speed i{font-style:normal;font-size:14px}
.limit{font-size:14px;margin:2px 0 6px;color:#fff}
.limit.over{color:var(--red);font-weight:800}
.gauge{position:relative;height:10px;background:#22344f;border-radius:5px;overflow:hidden}
#hGauge{height:100%;width:0;background:linear-gradient(90deg,#2fbf6a,#ffd23f,#e53935)}
#hGaugeLimit{position:absolute;top:-2px;bottom:-2px;width:3px;background:#fff;left:100%}
.lever{position:absolute;right:10px;bottom:max(12px,env(safe-area-inset-bottom));display:grid;grid-template-columns:auto auto;grid-template-rows:auto auto auto auto;gap:6px;align-items:center;justify-items:center}
.lv-btn{width:88px;height:70px;border-radius:12px;font-size:26px;font-weight:800;background:linear-gradient(180deg,#3a8ee8,#215fae);box-shadow:0 5px 0 #133a6b;display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1;grid-column:1}
.lv-btn small{font-size:11px;margin-top:4px}
.lv-btn.brake{background:linear-gradient(180deg,#f39b2b,#c66a0b);box-shadow:0 5px 0 #6e3a05}
.lv-btn.eb{background:linear-gradient(180deg,#ef4d4a,#a31a17);box-shadow:0 5px 0 #5d0d0b;height:46px;font-size:18px}
.lv-btn:active{transform:translateY(3px);box-shadow:none}
.notch{font-family:var(--dot);font-size:26px;background:#000c;border-radius:8px;width:88px;text-align:center;padding:4px 0;color:var(--yellow);grid-column:1}
.notch-scale{grid-column:2;grid-row:1/5;display:flex;flex-direction:column;gap:2px;background:#000a;padding:4px;border-radius:6px;font-family:var(--dot);font-size:10px}
.notch-scale span{padding:0 4px;border-radius:3px;color:#889}
.notch-scale span.p{color:#7fb8ff}.notch-scale span.b{color:#ffb36b}.notch-scale span.e{color:#ff6b6b}
.notch-scale span.on{background:#fff;color:#000}
.horn{position:absolute;right:160px;bottom:max(12px,env(safe-area-inset-bottom));width:56px;height:56px;border-radius:50%;background:#000a;font-size:26px;border:2px solid #34507a}
@media (max-width:600px){
  .meter{width:150px;padding:6px 10px}.speed b{font-size:36px}
  .lv-btn{width:76px;height:60px}.notch{width:76px;font-size:22px}
  .horn{right:auto;left:10px;bottom:auto;top:110px;width:46px;height:46px;font-size:20px}
  .hud-box{padding:3px 6px}.hud-box b{font-size:16px}
}

/* ---------- パネル ---------- */
.panel{background:var(--white);color:#111;border-radius:14px;padding:20px 24px;width:min(380px,92vw);display:flex;flex-direction:column;gap:10px;border-top:10px solid var(--red);text-align:center}
.panel h2{margin:0;font-size:32px}
.panel .big-btn{font-size:19px;padding:12px;color:#fff}
.r-reason{font-size:13px;color:#667;margin-bottom:6px}
.r-row{display:flex;justify-content:space-between;border-bottom:1px dashed #ccd;padding:4px 0;font-size:15px}
.r-row.total{font-size:20px;border:none;color:var(--green)}
.r-best{color:var(--orange);font-weight:800;min-height:1.2em}
#pause .panel{border-top-color:#3a8ee8}

/* ---------- チュートリアル ---------- */
.menu-tut{width:100%;max-width:900px;background:#fff3c4;color:#5a4300;border-radius:12px;padding:12px 16px;font-size:19px;font-weight:800;display:flex;align-items:center;gap:12px;box-shadow:0 5px 0 #c9a227;border-left:8px solid var(--yellow)}
.menu-tut{white-space:nowrap}
.menu-tut small{margin-left:auto;font-size:12px;font-weight:500;white-space:normal;text-align:right}
.menu-tut.fresh{animation:pulse 1.4s infinite}
.menu-tut:active{transform:translateY(3px);box-shadow:0 2px 0 #c9a227}
.tut-box{display:none;position:absolute;top:calc(max(8px,env(safe-area-inset-top)) + 46px);left:50%;transform:translateX(-50%);width:min(560px,calc(100% - 16px));background:#fffdf4;color:#1a1a1a;border-radius:12px;border-left:8px solid var(--yellow);box-shadow:0 8px 24px rgba(0,0,0,.45);padding:10px 14px;pointer-events:auto;z-index:3}
.hud.tut .tut-box{display:block}
.tut-head{display:flex;justify-content:space-between;font-size:12px;color:#8a6d00;font-weight:800;margin-bottom:4px}
.tut-text{font-size:16px;line-height:1.55}
.tut-text b{color:#c0392b}
.tut-text small{display:block;font-size:12px;color:#667;margin-top:2px}
.tut-btns{display:flex;justify-content:space-between;align-items:center;margin-top:8px}
.tut-skip{background:none;color:#889;font-size:13px;text-decoration:underline;padding:4px}
.tut-next{background:var(--green);color:#fff;font-weight:800;font-size:16px;padding:8px 22px;border-radius:999px;box-shadow:0 4px 0 #11522c}
.tut-next:active{transform:translateY(3px);box-shadow:none}
.tut-next[hidden]{display:none}
.tut-goal{display:inline-block;background:#ffe9a8;border-radius:6px;padding:0 6px;font-size:13px;color:#5a4300;margin-top:4px}
.tut-focus{outline:4px solid var(--yellow);outline-offset:3px;border-radius:12px;animation:tutGlow .8s infinite alternate;position:relative;z-index:4}
@keyframes tutGlow{from{box-shadow:0 0 0 0 rgba(255,210,63,.9)}to{box-shadow:0 0 22px 8px rgba(255,210,63,.6)}}
.hud.tut .horn{display:none}
.hud.tut .hud-warn{top:auto;bottom:42%}
.hud.tut .hud-msg{top:46%}

/* ---------- 駅名標バナー ---------- */
.station-board{position:absolute;top:24%;left:50%;transform:translate(-50%,-12px);width:min(420px,86vw);background:#fff;color:#111;border-radius:8px;overflow:hidden;text-align:center;box-shadow:0 8px 24px rgba(0,0,0,.5);opacity:0;transition:opacity .35s,transform .35s;pointer-events:none}
.station-board.show{opacity:1;transform:translate(-50%,0)}
.sb-name{font-size:clamp(34px,9vw,52px);font-weight:800;letter-spacing:.15em;padding:8px 0 0}
.sb-kana{font-size:13px;color:#555;min-height:1.4em;padding-bottom:6px}
.sb-line{display:flex;justify-content:space-between;background:var(--green);color:#fff;font-size:13px;padding:5px 10px;min-height:1.6em}
.hud.tut .station-board{top:auto;bottom:34%}
.hud.tut .hud-box:has(#hCoin){display:none}

/* ---------- ショップの区切り ---------- */
.shop-sec{grid-column:1/-1;margin:8px 0 0;font-size:18px;color:#fff;border-bottom:3px solid var(--green);padding-bottom:4px}
.shop-sec small{font-size:12px;color:var(--gray);font-weight:500;margin-left:6px}
.real-tag{font-size:11px;background:#2a3f63;color:#fff;border-radius:4px;padding:1px 6px;vertical-align:middle}

/* ---------- 実績 ---------- */
.menu-ach{width:100%;max-width:900px;background:linear-gradient(90deg,#2a2150,#3d2f74);color:#ffe9a8;border-radius:12px;padding:12px 16px;font-size:19px;font-weight:800;display:flex;align-items:center;box-shadow:0 5px 0 #18122f;border-left:8px solid #c9a227;white-space:nowrap}
.menu-ach small{margin-left:auto;font-size:14px;color:#fff}
.menu-ach:active{transform:translateY(3px);box-shadow:0 2px 0 #18122f}
.ach-head{width:100%;max-width:900px;font-size:15px;color:#cfd6e2}
.ach-head b{color:var(--yellow);font-size:22px}
.ach-list{width:100%;max-width:900px;display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:8px;padding-bottom:20px}
.ach{display:flex;gap:10px;align-items:center;background:#ffffff14;border:2px solid #ffffff22;border-radius:10px;padding:8px 10px;color:#aab3c2}
.ach.got{background:#fff8dc;border-color:#c9a227;color:#3a2f00}
.ach-ic{font-size:30px;width:40px;text-align:center;filter:grayscale(1);opacity:.6}
.ach.got .ach-ic{filter:none;opacity:1}
.ach-body{flex:1;display:flex;flex-direction:column;gap:2px;min-width:0}
.ach-body b{font-size:15px;color:inherit}
.ach:not(.got) .ach-body b{color:#e6eaf0}
.ach-body span,.ach-body small{font-size:12px}
.ach-body .bar{height:6px;margin-top:2px}
.ach-rw{font-size:13px;font-weight:800;white-space:nowrap;color:var(--yellow)}
.ach.got .ach-rw{font-size:20px}
#toasts{position:fixed;top:max(60px,env(safe-area-inset-top));right:10px;z-index:20;display:flex;flex-direction:column;gap:8px;pointer-events:none}
.toast{display:flex;gap:10px;align-items:center;background:linear-gradient(90deg,#2a2150,#3d2f74);color:#fff;border:2px solid #c9a227;border-radius:12px;padding:8px 14px 8px 10px;box-shadow:0 8px 20px rgba(0,0,0,.5);animation:tin .35s ease-out;transition:opacity .5s,transform .5s;min-width:220px}
.toast.out{opacity:0;transform:translateX(40px)}
.toast .t-ic{font-size:30px}
.toast small{display:block;font-size:11px;color:#ffd23f}
.toast b{display:block;font-size:16px}
.toast span{font-size:12px;color:#ffe9a8}
@keyframes tin{from{opacity:0;transform:translateX(60px)}}