:root{--ink:#152033;--muted:#667085;--line:#e5e9f0;--brand:#1769e0;--soft:#eef5ff;--good:#0d8b5f;--warn:#9a5b00;--shadow:0 14px 40px rgba(27,39,66,.06)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:linear-gradient(#fbfcfe,#f7f9fc 48%);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic UI","Yu Gothic","Noto Sans JP","Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.wrap{width:min(900px,calc(100% - 32px));margin:0 auto}
header{height:64px;background:rgba(255,255,255,.92);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;backdrop-filter:blur(12px)}.top{height:100%;display:flex;align-items:center;justify-content:space-between;gap:12px}.brand{display:flex;align-items:center;gap:9px;color:var(--ink);font-weight:850;letter-spacing:-.03em}.logo{width:30px;height:30px;display:grid;place-items:center;background:linear-gradient(145deg,#1769e0,#5b9cf3);border-radius:10px;color:#fff}.top-actions{display:flex;gap:18px;align-items:center;font-size:13px;font-weight:700}.language{border:1px solid #d7e5f7;padding:7px 11px;border-radius:999px;background:#f6faff}.back{color:var(--muted)}
.hero{text-align:center;padding:42px 0 24px}.eyebrow{display:inline-flex;align-items:center;gap:5px;border:1px solid #dce9fb;background:#f5f9ff;color:#2c5f9e;padding:7px 11px;border-radius:999px;font-size:12px;font-weight:750}.eyebrow i{font-style:normal;color:#748198;font-size:10px;margin-left:5px}h1{font-size:clamp(30px,5.2vw,46px);letter-spacing:-.05em;line-height:1.12;margin:15px 0 12px}.lead{max-width:680px;margin:0 auto;color:var(--muted);font-size:15px;line-height:1.8}
.panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;margin:0 0 15px;box-shadow:var(--shadow)}.step-head{display:flex;gap:12px;align-items:flex-start;margin-bottom:17px}.step-number{display:grid;place-items:center;flex:0 0 30px;height:30px;border-radius:10px;background:#eaf3ff;color:var(--brand);font-size:14px;font-weight:900}.step-head h2,.results-title h2{font-size:19px;letter-spacing:-.03em;margin:2px 0 4px}.step-head p{font-size:12px;line-height:1.6;color:var(--muted);margin:0}.panel>label,.guest-card label,.settings-grid label{display:block;font-size:13px;font-weight:750;margin:0 0 7px}.city-input,input[type=date],input[type=time],select{width:100%;min-height:48px;border:1.5px solid #9fc3f5;border-radius:12px!important;background:#f5f9ff!important;padding:11px 13px;color:var(--ink);font:inherit;font-size:15px;font-weight:650;outline:none}.city-input:focus,input:focus,select:focus{outline:3px solid rgba(23,105,224,.15);border-color:var(--brand);background:#fff!important}.hint{font-size:11px;color:var(--muted);margin:6px 2px 0;line-height:1.5}.clock-card{margin-top:13px;border-radius:15px;padding:15px 17px;background:linear-gradient(130deg,#f4f8ff,#fff);border:1px solid #dfebfb;display:flex;align-items:center;justify-content:space-between;gap:12px}.clock-caption{font-size:11px;color:var(--muted);font-weight:700}.clock-city{font-size:14px;font-weight:800;margin-top:4px}.clock-date{font-size:11px;color:var(--muted);margin-top:3px}.clock-time{font-size:clamp(25px,5vw,34px);font-weight:900;letter-spacing:-.04em;font-variant-numeric:tabular-nums;white-space:nowrap}.clock-offset{font-size:11px;text-align:right;color:#51627a;margin-top:3px}
.guest-list{display:grid;gap:12px}.guest-card{padding:14px;border:1px solid var(--line);border-radius:15px;background:#fcfdff}.guest-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}.guest-top label{margin:0}.remove-button{border:0;background:transparent;color:#7a5660;font:inherit;font-size:12px;font-weight:700;padding:5px 7px;cursor:pointer}.remove-button:hover{color:#b42318}.add-button{margin-top:12px;border:1px dashed #9fc3f5;border-radius:12px;background:#f6faff;color:#1769e0;font:inherit;font-weight:750;font-size:13px;padding:12px 15px;cursor:pointer}.add-button:hover{background:#edf5ff}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}.settings-grid>div{min-width:0}.work-settings{margin-top:17px;border-top:1px solid var(--line);padding-top:14px}.work-settings summary,.faq summary{cursor:pointer;font-size:13px;font-weight:750;color:#31567f;list-style:none}.work-settings summary::-webkit-details-marker,.faq summary::-webkit-details-marker{display:none}.work-settings summary:after{content:"＋";float:right;color:var(--muted)}.work-settings[open] summary:after{content:"−"}.work-settings>p{font-size:11px;color:var(--muted);line-height:1.55}.compact{max-width:460px}
.results{padding:23px}.results-title{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:15px}.result-kicker{color:var(--muted);font-size:11px;font-weight:750}.results-title h2{font-size:22px}.date-badge{border:1px solid #dce9fb;background:#f5f9ff;border-radius:999px;color:#31567f;padding:6px 10px;font-size:11px;font-weight:750;white-space:nowrap}.loading,.empty{padding:16px;border-radius:14px;background:#f8fafc;color:var(--muted);font-size:13px;line-height:1.7}.slot-list{display:grid;gap:10px}.slot{border:1px solid #dfe8f4;border-radius:16px;padding:14px;background:#fff}.slot.best{border-color:#9dd8bf;background:#f6fcf9}.slot-head{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:11px}.slot-home{font-size:20px;font-weight:900;letter-spacing:-.03em;font-variant-numeric:tabular-nums}.slot-label{font-size:10px;font-weight:800;border-radius:999px;padding:5px 8px;background:#e8f7ef;color:#087443;white-space:nowrap}.slot-label.partial{background:#fff4df;color:#8a5000}.slot-times{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:8px}.slot-city{background:#f7f9fc;border-radius:11px;padding:9px 10px}.slot-city-name{font-size:10px;color:var(--muted);font-weight:700;display:flex;justify-content:space-between;gap:5px}.slot-city-time{font-size:15px;font-weight:850;margin-top:4px;font-variant-numeric:tabular-nums}.slot-city-time.outside{color:#94551b}.day-shift{font-size:9px;font-weight:650;color:#8a5000}.copy-button{border:1px solid #dce2eb;border-radius:9px;background:#fff;padding:6px 9px;margin-top:11px;font:inherit;font-size:11px;font-weight:700;color:#35516f;cursor:pointer}.copy-button:hover{border-color:#9fc3f5;background:#f6faff}.small-note{font-size:11px;color:var(--muted);line-height:1.6;margin:13px 0 0}.explain{padding:21px 5px}.explain h2{font-size:19px;margin:0 0 12px;letter-spacing:-.03em}.explain p,.explain li{font-size:13px;line-height:1.8;color:#536176}.explain p{margin:7px 0}.explain ol{padding-left:22px;margin:0}.explain li{padding:2px 0}.faq{padding-top:8px}.faq details{padding:13px 0;border-top:1px solid var(--line)}.faq p{padding-left:2px}.notice{font-size:11px;color:var(--muted);padding:12px 14px;background:#f2f5f9;border-radius:12px;line-height:1.65;margin:0 0 40px}footer{border-top:1px solid var(--line);padding:22px 0 38px;color:var(--muted);font-size:11px}.foot{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
@media(max-width:620px){.wrap{width:calc(100% - 22px)}header{height:58px}.top-actions{gap:8px}.back{font-size:11px}.brand{font-size:13px}.hero{padding:32px 0 19px}.lead{font-size:13px}.panel{padding:17px;border-radius:17px}.step-head{gap:9px}.step-head h2{font-size:17px}.step-head p{font-size:11px}.clock-card{padding:13px}.clock-time{font-size:26px}.results{padding:17px}.results-title h2{font-size:19px}.slot-times{grid-template-columns:repeat(2,minmax(0,1fr))}.settings-grid{gap:9px}.slot{padding:12px}.date-badge{font-size:10px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}