:root{--navy:#12324a;--sea:#247c8c;--coral:#ed765e;--cream:#fffaf2;--paper:#fff;--ink:#21303a;--muted:#687681;--line:#e8e3da;--shadow:0 10px 26px #12324a18}*{box-sizing:border-box}body{margin:0;background:var(--cream);color:var(--ink);font:16px/1.55 system-ui,-apple-system,"Noto Sans JP",sans-serif}.app-shell{max-width:760px;margin:auto;padding:0 16px 100px}.hero{color:white;background:linear-gradient(135deg,var(--navy),var(--sea));margin:0 -16px 14px;padding:calc(24px + env(safe-area-inset-top)) 20px 24px;display:flex;justify-content:space-between;gap:10px;align-items:start}.hero>div{flex:1;min-width:0}.hero h1{font-size:25px;margin:2px 0}.hero p{margin:0;color:#dceef0;font-size:13px}.trip-meta-line{display:block;overflow-wrap:anywhere}.eyebrow{letter-spacing:.12em;font-weight:700}.edit-toggle,.ai-pill,#ai-form button,dialog button{border:0;border-radius:999px;background:var(--coral);color:white;font-weight:700;min-height:44px;padding:0 16px}.edit-toggle{background:#ffffff22;border:1px solid #ffffff66}.tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;background:#e9efed;border-radius:14px;padding:4px;position:sticky;top:0;z-index:3}.tabs button{border:0;border-radius:10px;background:transparent;min-height:44px;color:var(--muted);font-weight:700}.tabs button.active{background:var(--paper);color:var(--navy);box-shadow:0 2px 8px #12324a14}.day-switch{display:flex;gap:8px;overflow:auto;padding:14px 0 4px}.day-switch button{white-space:nowrap;border:1px solid var(--line);background:white;border-radius:999px;padding:9px 13px}.day-switch .selected{background:var(--navy);color:white}.card{background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;padding:16px;margin:12px 0}.timeline{display:grid;grid-template-columns:96px minmax(0,1fr);gap:10px}.time{font-weight:800;color:var(--sea);font-size:13px;line-height:1.55;white-space:nowrap;font-variant-numeric:tabular-nums}.timeline>div:last-child{min-width:0}.timeline .section-heading{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:start;gap:6px 8px}.timeline .section-heading input[type=checkbox]{width:22px;height:22px;margin:0;accent-color:var(--sea)}.timeline .section-heading strong{min-width:0;overflow-wrap:anywhere}.timeline .badge{white-space:nowrap;margin-top:1px}.timeline.checked strong{text-decoration:line-through;color:var(--muted)}.item-row{display:flex;gap:12px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}.item-row:last-child{border:0}.item-row input[type=checkbox]{width:24px;height:24px;accent-color:var(--sea);flex:none}.item-row.checked .item-label{text-decoration:line-through;color:var(--muted)}.item-main{flex:1;min-width:0}.item-label{font-weight:700}.item-sub{font-size:13px;color:var(--muted)}.badge{font-size:11px;font-weight:800;border-radius:999px;padding:3px 8px;background:#e6f1f1;color:#176375}.badge.todo_verify{background:#fff1cf;color:#9a6900}.badge.assumption{background:#f2eafa;color:#744ba1}.actions{display:flex;gap:3px}.icon-button{color:var(--navy);border:0;background:transparent;min-width:44px;min-height:44px;font-size:18px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:8px}.section-heading h2{font-size:18px;margin:0}.progress{height:8px;background:#e8efed;border-radius:20px;overflow:hidden;margin-top:10px}.progress i{display:block;height:100%;background:var(--sea)}.add-button{display:block;border:1px dashed var(--sea);border-radius:12px;color:var(--sea);background:#f3fbfa;width:100%;min-height:44px;font-weight:700}.ai-pill{position:fixed;right:16px;bottom:calc(16px + env(safe-area-inset-bottom));z-index:8;box-shadow:var(--shadow)}.sheet{position:fixed;z-index:10;bottom:0;left:0;right:0;height:58dvh;background:white;border-radius:22px 22px 0 0;box-shadow:0 -12px 38px #12324a2b;padding:8px 16px calc(12px + env(safe-area-inset-bottom));display:none;flex-direction:column}.sheet.open{display:flex}.sheet.expanded{height:92dvh}.sheet.minimized{height:58px}.sheet.minimized>*:not(.sheet-head){display:none}.sheet-head{display:flex;justify-content:space-between;align-items:center;min-height:42px}.sheet-head button{border:0;background:transparent;font-size:20px;min-width:38px;min-height:38px}.handle{position:absolute;top:5px;left:calc(50% - 20px);width:40px;height:4px;border-radius:4px;background:#ccd6d6}.context-chip{font-size:12px;color:var(--sea);background:#edf8f7;border-radius:8px;padding:6px;margin-bottom:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.messages{overflow:auto;flex:1;padding:6px 0}.message{padding:10px 12px;border-radius:13px;margin:7px 0;white-space:pre-wrap}.message.user{background:#eaf4f2;margin-left:12%}.message.ai{background:#f5f1ea;margin-right:5%}.message.error{background:#fff0ed;color:#9c341f}.ai-caution{margin:2px 0 6px;color:var(--muted);font-size:11px;line-height:1.4}#ai-form{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:8px;border-top:1px solid var(--line);padding-top:9px}#ai-question{min-width:0;width:100%;resize:none;min-height:44px;max-height:110px;border:1px solid var(--line);border-radius:12px;padding:10px;font:inherit}.text-button{border:0;background:transparent;color:var(--muted);padding:7px}.notice{margin:12px 0;padding:10px 12px;border-radius:12px;background:#fff2d7;color:#825900}.error{color:#b33929}dialog{width:min(92vw,440px);border:0;border-radius:18px;box-shadow:var(--shadow)}dialog::backdrop{background:#12324a80}dialog form{display:grid;gap:12px}dialog h2{margin:0;color:var(--navy)}dialog p{margin:0}dialog label{display:grid;gap:5px;font-weight:700}dialog input,dialog textarea{font:inherit;padding:10px;border:1px solid var(--line);border-radius:10px}dialog textarea{min-height:78px}dialog menu{display:flex;justify-content:end;gap:8px;margin:0;padding:0}dialog menu button:first-child{background:#e8e3da;color:var(--ink)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}@media(max-width:360px){.sheet{padding-left:12px;padding-right:12px}.timeline .section-heading{grid-template-columns:auto minmax(0,1fr)}.timeline .badge{grid-column:2;justify-self:start}#ai-form{gap:6px}#ai-form button{padding-inline:12px}}@media(min-width:700px){.hero{border-radius:0 0 24px 24px}.sheet{left:calc(50% - 380px);right:calc(50% - 380px);border:1px solid var(--line)}}
.sheet{min-height:0}.sheet-head>div{display:flex;flex:none}#ai-screen-title{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:center;padding:0 6px}.ai-view{display:flex;flex:1;min-height:0;flex-direction:column}.ai-view[hidden],#ai-form[hidden],.ai-caution[hidden]{display:none}.ai-empty{font-size:13px;color:var(--muted);text-align:center;margin:auto 0}.ai-screen-actions{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:44px}.ai-screen-actions h2{font-size:16px;margin:0}.ai-history-row{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:4px;border-bottom:1px solid var(--line)}.ai-history-title{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:left;border:0;background:transparent;color:var(--ink);font:inherit;font-weight:700;padding:10px 0}.ai-history-date{color:var(--muted);font-size:11px;white-space:nowrap}#ai-thread-new-chat{align-self:flex-end}.text-button{min-height:44px}@media(max-width:412px){.ai-history-row{grid-template-columns:minmax(0,1fr) auto}.ai-history-row .text-button{grid-column:2}.ai-history-date{grid-column:1;grid-row:2;margin-top:-8px}}

.card.itinerary-card{padding-block:4px}.itinerary-card .timeline{grid-template-columns:64px minmax(0,1fr);padding:14px 0}.itinerary-card .timeline:not(:last-child){border-bottom:1px solid var(--line)}.itinerary-card .time{color:var(--sea);line-height:1.2}.itinerary-card .time-start{font-weight:800;font-size:16px}.itinerary-card .time-end{font-size:11px;font-weight:700;margin-top:3px}.itinerary-card .timeline-main{min-width:0}.itinerary-card .timeline .item-sub{margin-top:2px}.itinerary-card .timeline .actions{margin-top:4px}