:root{font-family:"BIZ UDPGothic","Yu Gothic UI","Hiragino Kaku Gothic ProN",system-ui,sans-serif;font-size:22px;font-synthesis:none;line-height:1.6;color:#3c291c;background:#fff3ba;color-scheme:light}
*{box-sizing:border-box}body{margin:0}button,input,a,summary{-webkit-tap-highlight-color:transparent}[hidden]{display:none!important}button,input{font:inherit}button{cursor:pointer;font-weight:700;border:2px solid transparent;border-radius:16px;padding:16px 20px;min-height:72px}button:disabled{cursor:default;opacity:.5}button:focus-visible,input:focus-visible+span,summary:focus-visible,[tabindex="-1"]:focus-visible{outline:4px solid #805000;outline-offset:5px}button:active:not(:disabled){transform:translateY(1px)}
.site-header{display:flex;align-items:center;justify-content:space-between;gap:12px;max-width:720px;margin:auto;padding:20px 24px}.menu-button{display:flex;align-items:center;justify-content:center;gap:9px;background:#fff;color:#885000;border-color:#885000;font-size:23px;min-height:68px;padding:10px 18px;border-radius:12px}.menu-button>span{font-size:28px}.brand{font-size:19px;font-weight:800;color:#885000}
main,.menu-panel{max-width:640px;margin:auto;padding:12px 28px 48px}h1{font-size:38px;text-align:center;line-height:1.4;margin:10px 0 14px;font-weight:800}h2{font-size:25px;margin:0 0 8px}.instruction{text-align:center;font-size:23px;margin:0 0 26px}fieldset{border:0;padding:0;margin:0 0 24px;min-width:0}legend{font-size:22px;font-weight:700;margin-bottom:12px}.choices{display:grid;gap:16px;grid-template-columns:repeat(2,minmax(0,1fr))}.choices label{position:relative;cursor:pointer}.choices input{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0}.choices label>span{display:flex;align-items:center;justify-content:center;flex-direction:column;border:3px solid #9d8772;border-radius:16px;min-height:78px;padding:12px;background:#fff;color:#493321;font-weight:700}.choices input:checked+span{border-color:#885000;background:#ffe58a;color:#78320b;box-shadow:inset 0 0 0 1px #885000}.choices input:disabled+span{opacity:.6}.durations label>span{min-height:132px}.durations strong{font-size:56px;line-height:1.15;font-variant-numeric:tabular-nums}.seconds-unit{font-size:28px;margin-left:6px}.selected-mark{font-size:19px;line-height:1.5;margin-top:8px;visibility:hidden}.choices input:checked+span .selected-mark{visibility:visible}.status{text-align:center;white-space:pre-line;font-weight:700;font-size:24px;margin:20px 0;overflow-wrap:anywhere}.timer{display:flex;align-items:baseline;justify-content:center;flex-wrap:wrap;gap:10px;margin:24px 0 32px;font-size:30px}.timer strong{font-size:104px;line-height:1.2;color:#885000;font-variant-numeric:tabular-nums}
.actions{display:grid;gap:16px}.primary{display:flex;align-items:center;justify-content:center;gap:18px;min-height:116px;width:100%;background:#ffad19;color:#402600;box-shadow:0 5px 0 #b36b00;font-size:40px;letter-spacing:.05em}.primary>span{font-size:30px}.stop-button{background:#fff;color:#885000;border-color:#885000;font-size:30px;min-height:88px}.secondary{background:#fff;border-color:#885000;color:#885000}.tap{width:100%;min-height:104px;background:#ffad19;color:#402600;font-size:32px;margin-bottom:18px}.result{background:#fff;border:3px solid #885000;border-radius:20px;text-align:center;padding:22px 18px;margin:22px 0}.count{margin:2px 0 8px;font-size:30px;line-height:1.3}.count strong{font-size:84px;font-variant-numeric:tabular-nums;color:#885000}#result-summary{font-size:24px;margin:12px 0 0;font-weight:700}.quality{font-size:22px;color:#813a00;margin:16px 0 0}.quality:empty{display:none}
.menu-panel h1{text-align:left;margin-bottom:24px}.menu-panel>details{background:white;border:2px solid #c8af96;border-radius:14px;padding:0 18px;margin-bottom:18px}.menu-panel summary{cursor:pointer;font-weight:700;font-size:24px;padding:20px 0;overflow-wrap:anywhere}.menu-panel details[open]>summary{border-bottom:1px solid #e3d1bc;margin-bottom:18px}.help,.notice,.event-times{font-size:21px;overflow-wrap:anywhere}.notice{padding:16px;border-left:5px solid #a95100;background:#fff0db;color:#633000}#boot-status{max-width:640px;margin:16px auto}.consent{display:flex;align-items:flex-start;gap:14px;font-size:22px;margin:20px 0}.consent input{width:30px;height:30px;flex-shrink:0;accent-color:#885000;margin:4px 0}.consent input:focus-visible,.reference-count input:focus-visible{outline:4px solid #805000;outline-offset:4px}.review audio{width:100%;height:64px;margin:12px 0}.reference-count{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin:24px 0}.reference-count label{width:100%;font-weight:700}.reference-count input{min-height:72px;width:130px;border:2px solid #9d8772;border-radius:12px;padding:12px;font-size:28px}.history{list-style:none;padding:0}.history li{border-top:1px solid #e3d1bc;padding:18px 0;display:flex;gap:16px;align-items:center}.history-sound{font-size:28px;font-weight:700;flex-shrink:0}.history-detail{font-size:21px}.history-detail time{display:block}.return-button{width:100%;margin-top:8px}.sounds{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.modes{grid-template-columns:1fr}.menu-panel fieldset{margin-top:22px}
@media(max-width:480px){.site-header{padding:16px}.menu-button{font-size:21px;padding:10px 14px}.brand{font-size:17px}main,.menu-panel{padding:8px 18px 36px}h1{font-size:34px}.instruction{font-size:21px}.primary{font-size:34px;min-height:108px}.durations label>span{min-height:124px}.menu-panel>details{padding:0 14px}.menu-panel summary{font-size:22px}.reference-count .secondary{width:100%}}
@media(prefers-reduced-motion:reduce){button:active:not(:disabled){transform:none}}
.status:empty{display:none}
.timer[data-phase="countdown"] strong{color:#195ea0}.timer[data-phase="measuring"] strong{color:#356522}
.sound-heading{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;margin:10px 0 14px}.sound-heading h1{margin:0;font-size:34px}.sound-picker{font-size:21px;min-height:56px;padding:8px 12px}.sounds{grid-template-columns:repeat(2,minmax(0,1fr))}.sounds label:last-child{grid-column:1/-1}@media(max-width:360px){.sound-heading{gap:8px}.sound-heading h1{font-size:28px}.sound-picker{font-size:20px}}
.count strong{display:inline-block;color:#fff;font-weight:900;background:#456025;border-radius:16px;padding:4px 18px;margin:8px 0;line-height:1.2}
.microphone-icon{width:32px;height:36px;flex-shrink:0}.primary:has(.microphone-icon){gap:10px;padding-inline:12px}.primary>.repeat-caption{font-size:clamp(24px,7.7vw,34px);white-space:nowrap}
#measure-main{background:#fffbed;border:3px solid #e6bd54;border-radius:28px;margin-bottom:32px;padding-top:24px;padding-bottom:32px}.site-header{padding-bottom:22px}.result{background:#a8c97f}.durations input:checked+span{box-shadow:inset 0 0 0 2px #885000}.timer{background:#ffe58a;border-radius:20px;padding:24px 12px}.status{color:#613214}@media(max-width:700px){#measure-main{width:calc(100% - 32px)}}