*{box-sizing:border-box;margin:0;-webkit-tap-highlight-color:transparent}body{font-family:Hiragino Sans,Noto Sans JP,sans-serif;background:#f2f4f7;color:#1a2433}button{font-family:inherit;cursor:pointer}.screen{max-width:900px;margin:0 auto;padding:16px;display:flex;flex-direction:column;gap:14px;min-height:100vh}.top-header{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap}.site-name{font-size:26px;font-weight:700}.top-date{font-size:16px;color:#55627a}.env-badge{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.env-item{background:#fff;border-radius:10px;padding:8px 12px;font-size:16px;box-shadow:0 1px 3px #00000014}.env-item strong{font-size:20px}.env-wbgt{display:flex;align-items:center;gap:6px}.env-level{font-weight:700}.env-note{font-size:12px;color:#55627a;width:100%;text-align:right}.timer-card{background:#fff;border-radius:16px;padding:20px;text-align:center;box-shadow:0 2px 6px #00000014;cursor:pointer}.timer-label{font-size:20px;color:#55627a}.timer-value{font-size:72px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.2}.timer-note{font-size:14px;color:#8a93a5}.btn-hydrate{background:#0d84ff;color:#fff;border:none;border-radius:16px;font-size:28px;font-weight:700;padding:20px;width:100%}.card{background:#fff;border-radius:16px;padding:16px;box-shadow:0 1px 3px #00000014;display:flex;flex-direction:column;gap:10px}.card-title{font-size:16px;font-weight:700;color:#55627a}.contacts-list{display:flex;flex-wrap:wrap;gap:10px}.contact{display:inline-block;background:#eef3fb;border-radius:10px;padding:12px 16px;font-size:18px;text-decoration:none;color:#1a2433}.contact-119{background:#ffe3e0;font-weight:700}.contacts-empty{color:#8a93a5;font-size:14px}.top-nav{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.nav-btn{background:#fff;border-radius:14px;padding:16px 6px;text-align:center;font-size:16px;font-weight:700;text-decoration:none;color:#1a2433;box-shadow:0 1px 3px #00000014}.nav-emergency{background:#b3261e;color:#fff}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0a142880;display:flex;align-items:center;justify-content:center;z-index:20}.modal{background:#fff;border-radius:18px;padding:20px;width:min(420px,92vw);display:flex;flex-direction:column;gap:12px}.numberpad-title{font-size:18px;font-weight:700;text-align:center}.numberpad-display{font-size:40px;font-weight:800;text-align:center;min-height:52px}.numberpad-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.pad-btn{font-size:30px;font-weight:700;padding:16px 0;border:none;border-radius:12px;background:#eef1f6}.pad-ok{background:#0d84ff;color:#fff}.pad-ok:disabled{opacity:.4}.pad-clear{background:#ffe3e0}.btn-text{background:none;border:none;color:#0d64c8;font-size:16px;padding:8px}.btn-primary{background:#0d84ff;color:#fff;border:none;border-radius:12px;font-size:20px;font-weight:700;padding:14px}.btn-danger{background:#b3261e;color:#fff;border:none;border-radius:12px;font-size:18px;padding:12px}.btn-emergency{background:#b3261e}.stepper-row{display:flex;justify-content:space-between;align-items:center;font-size:18px}.stepper{display:flex;align-items:center;gap:14px}.stepper button{font-size:26px;width:52px;height:52px;border:none;border-radius:12px;background:#eef1f6}.stepper strong{font-size:24px;min-width:48px;text-align:center}.alarm-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#b3261ef2;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;padding:24px;z-index:30;animation:alarm-flash 1s infinite}@keyframes alarm-flash{50%{background:#ff5a3cf2}}.alarm-text{color:#fff;font-size:40px;font-weight:800;text-align:center}.alarm-overlay .btn-hydrate{max-width:480px;background:#fff;color:#b3261e}.alarm-snooze{color:#fff;font-size:20px}.sub-header{display:flex;align-items:center;gap:14px}.btn-back{font-size:18px;text-decoration:none;color:#0d64c8;background:#fff;border-radius:10px;padding:10px 14px;box-shadow:0 1px 3px #00000014}.sub-title{font-size:22px;font-weight:800}.tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.tab{font-size:18px;font-weight:700;padding:14px;border:none;border-radius:12px;background:#e2e7ef;color:#55627a}.tab-on{background:#0d84ff;color:#fff}.field-row{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:17px;flex-wrap:wrap}.field-col{flex-direction:column;align-items:stretch}.field-row input,.field-row textarea,select,input[type=url],textarea{font-size:17px;padding:12px;border:1px solid #c6cedb;border-radius:10px;font-family:inherit}.field-row input[type=text]{flex:1;min-width:200px}select{width:100%}.btn-num{font-size:20px;font-weight:700;padding:12px 22px;border:1px solid #c6cedb;border-radius:10px;background:#f7f9fc;min-width:110px}.prev-hint{font-size:13px;color:#8a93a5}.btn-prev{background:#eef3fb;border:1px dashed #0d84ff;color:#0d64c8;border-radius:10px;font-size:16px;padding:12px}.toggle{display:flex;gap:8px}.toggle button{font-size:18px;padding:12px 26px;border:1px solid #c6cedb;border-radius:10px;background:#f7f9fc}.toggle .toggle-on{background:#0d84ff;color:#fff;border-color:#0d84ff}.contact-edit{display:flex;gap:8px;align-items:center}.contact-edit input{flex:1;min-width:0}.btn-del{background:#ffe3e0;border:none;border-radius:8px;font-size:18px;width:40px;height:40px;flex-shrink:0}.hydration-title{margin-top:12px}.hydration-row{display:flex;justify-content:space-between;align-items:center;font-size:16px;background:#f7f9fc;border-radius:10px;padding:10px 14px}.note{font-size:13px;color:#8a93a5}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:#1a2433;color:#fff;border-radius:12px;padding:14px 22px;font-size:16px;z-index:40}.incident-banner{background:#fff7e0;font-size:15px}.auto-fill{display:flex;flex-direction:column;gap:6px;font-size:16px}.incident-119{font-size:24px;text-align:center}.attribution{font-size:12px;color:#8a93a5;text-align:center;padding-bottom:16px}.passcode-gate{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:24px}.passcode-title{font-size:22px;font-weight:800}.passcode-sub{color:#55627a}.passcode-dots{display:flex;gap:16px;padding:8px}.dot{width:18px;height:18px;border-radius:50%;border:2px solid #55627a}.dot-on{background:#1a2433}.passcode-error{animation:shake .3s}@keyframes shake{25%{transform:translate(-8px)}75%{transform:translate(8px)}}.passcode-msg{color:#b3261e;font-weight:700}.passcode-pad{width:min(320px,80vw)}.passcode-note{max-width:360px;text-align:center}.pad-btn:disabled{opacity:.35}.loading{min-height:100vh;display:flex;align-items:center;justify-content:center;font-size:20px;color:#55627a}.toast-error{background:#b3261e;cursor:pointer}@media (max-width: 640px){.top-nav{grid-template-columns:repeat(2,1fr)}.timer-value{font-size:56px}}