:root{--blue:#1769c2;--blue-dark:#0f4e99;--blue-soft:#eaf3ff;--ink:#172033;--muted:#68758a;--line:#dce3ec;--surface:#fff;--bg:#f5f7fa;--green:#27865f;--warm:#fff7e7;--shadow:0 5px 20px rgba(23,45,74,.08)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:#dfe6ef;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif}button,input,textarea{font:inherit}button{cursor:pointer}.app-shell{width:min(100%,430px);min-height:100dvh;margin:0 auto;background:var(--bg);position:relative;box-shadow:0 0 40px rgba(20,38,64,.16)}
.app-header{height:68px;padding:8px 12px;display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.team-logo{width:44px;height:44px;object-fit:cover;border-radius:11px;background:#0b315f;box-shadow:0 2px 7px rgba(12,49,94,.2)}.header-titles{min-width:0;margin-right:auto}.app-header strong{display:block;font-size:14px;line-height:1.2;white-space:nowrap;letter-spacing:.01em}.app-header span{display:block;margin-top:4px;color:var(--muted);font-size:11px}
main{min-height:calc(100dvh - 136px);padding:18px 16px 94px}.home-watermark{position:relative;overflow:hidden}.home-watermark::before{content:"A";position:absolute;right:-108px;top:42px;z-index:0;color:var(--blue);font-family:Arial,Helvetica,sans-serif;font-size:455px;font-weight:900;line-height:.8;opacity:.075;pointer-events:none}.home-watermark>*{position:relative;z-index:1}.page-title{display:flex;align-items:center;gap:8px;margin:0 0 12px;font-size:22px}.page-title .icon{color:var(--blue)}.page-lead{margin:0 0 18px;color:var(--muted);font-size:13px;line-height:1.6}.section-title{margin:0 0 8px;font-size:16px}.section-note{margin:0;color:var(--muted);font-size:11px}.subtle{color:var(--muted);font-size:13px}.stack{display:grid;gap:12px}.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}.card-body{padding:16px}.section-row{display:flex;align-items:center;justify-content:space-between;margin-top:24px}.section-row.first-row{margin-top:2px;margin-bottom:12px}.text-button{border:0;background:transparent;color:var(--blue);font-weight:700;padding:9px}.schedule-stack{gap:10px}
.schedule-card{overflow:hidden}.schedule-main{width:100%;display:grid;grid-template-columns:58px 1fr;gap:12px;padding:13px 13px;border:0;background:#fff;color:inherit;text-align:left}.schedule-date{align-self:start;padding:8px 3px;border-radius:10px;background:var(--blue-soft);text-align:center}.schedule-date strong{display:block;font-size:19px}.schedule-date span{display:block;margin-top:1px;color:var(--blue-dark);font-size:10px;font-weight:700}.state-label{display:inline-block;margin-bottom:5px;padding:2px 6px;border-radius:999px;background:var(--blue-soft);color:var(--blue-dark);font-size:9px;font-weight:800}.memory-label{background:#edf6f1;color:var(--green)}.schedule-copy{min-width:0}.schedule-copy h3{margin:0 0 8px;font-size:18px;line-height:1.35;font-weight:800}.schedule-meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;min-width:0;color:var(--muted);font-size:13px;line-height:1.35}.schedule-meta span{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.notice-card{margin-top:22px}.notice-list{margin:0;padding-left:20px}.notice-list li{margin:8px 0;font-size:13px;line-height:1.5}
.activity-card{display:grid;grid-template-columns:104px 1fr 24px;min-height:92px;overflow:hidden;border:0;width:100%;padding:0;text-align:left;color:inherit}.activity-photo{min-height:92px;background-position:center;background-size:cover}.activity-copy{padding:12px;align-self:center}.activity-copy h3{margin:0 0 5px;font-size:15px}.activity-copy p{margin:2px 0;color:var(--muted);font-size:12px}.chevron{align-self:center;color:var(--muted);font-size:22px}.filter-row{display:flex;gap:8px;margin-bottom:14px}.filter-chip{min-height:38px;padding:0 16px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--muted)}.filter-chip.active{border-color:var(--blue);background:var(--blue-soft);color:var(--blue-dark);font-weight:700}
.primary-button,.secondary-button{min-height:48px;border-radius:10px;padding:0 16px;font-weight:700}.primary-button{border:0;background:var(--blue);color:#fff;box-shadow:0 4px 12px rgba(23,105,194,.23)}.primary-button.compact{min-height:42px;padding:0 13px;font-size:13px}.secondary-button{border:1px solid var(--line);background:#fff;color:var(--blue-dark)}.wide{width:100%}.back-button{margin:-5px 0 12px -8px;padding:8px;border:0;background:transparent;color:var(--blue-dark);font-weight:700}
.detail-hero{margin:0 -16px;padding:18px 16px 20px;background:#fff;border-bottom:1px solid var(--line)}.detail-hero h1{margin:1px 0 5px;font-size:22px}.detail-concept{margin:0 0 12px;color:#46556b;font-size:14px}.detail-meta{display:flex;flex-wrap:wrap;gap:8px 14px;color:var(--muted);font-size:12px}.event-management{display:grid;grid-template-columns:.8fr .8fr 1.5fr;gap:8px;margin:14px 0}.event-management.memory-management{grid-template-columns:1fr 1fr}.event-management button{min-height:42px;padding:0 8px;font-size:12px}.danger-button{color:#b34652;border-color:#efcdd1}.finish-button{background:var(--green);box-shadow:0 4px 12px rgba(39,134,95,.2)}.tab-row{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;margin:16px 0;padding:4px;border-radius:12px;background:#e8edf3}.detail-tab{min-height:42px;border:0;border-radius:9px;background:transparent;color:var(--muted);font-size:13px;font-weight:700}.detail-tab.active{background:#fff;color:var(--blue-dark);box-shadow:0 2px 7px rgba(20,40,70,.1)}.detail-section-row{margin:0 0 12px}.soft-message{margin-bottom:12px;padding:11px 12px;border-radius:10px;background:var(--warm);color:#735b27;font-size:12px;line-height:1.55}
.featured-photos{display:grid;gap:10px}.photo-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}.photo-card{overflow:hidden;border:1px solid var(--line);border-radius:11px;background:#fff;box-shadow:0 3px 10px rgba(23,45,74,.06)}.photo-tile{aspect-ratio:1.2;background-position:center;background-size:cover;position:relative}.cover-photo .photo-tile{aspect-ratio:1.65}.cover-photo .photo-owner{padding:9px 10px}.cover-photo .mini-avatar{width:30px;height:30px}.cover-photo .photo-owner strong{font-size:13px}.cover-badge{position:absolute;left:9px;top:9px;padding:4px 8px;border-radius:999px;background:rgba(20,32,51,.78);color:#fff;font-size:10px;font-weight:700}.photo-owner{display:flex;align-items:center;gap:7px;padding:7px 8px}.photo-owner small{display:block;color:var(--muted);font-size:9px}.photo-owner strong{display:block;font-size:11px}.mini-avatar{width:26px;height:26px;display:grid;place-items:center;border-radius:50%;background:var(--blue-soft);color:var(--blue-dark);font-size:11px;font-weight:800}.photo-delete{margin-left:auto;border:1px solid #efcdd1;border-radius:999px;background:#fff;color:#b34652;font-size:10px;font-weight:700;padding:5px 8px}
.comment{display:flex;gap:10px;padding:14px 0;border-bottom:1px solid var(--line)}.member-avatar{flex:0 0 40px;width:40px;height:40px;display:grid;place-items:center;border-radius:50%;background:#d8e6f5;color:var(--blue-dark);font-weight:800}.comment strong{display:block;margin-bottom:4px;font-size:14px}.comment p{margin:0;font-size:14px;line-height:1.55}.comment time{color:var(--muted);font-size:11px}.comment-form{display:flex;gap:8px;margin-top:16px}.comment-form input{min-width:0;flex:1;height:46px;padding:0 12px;border:1px solid var(--line);border-radius:10px}.member-row{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid var(--line)}.member-row:last-child{border-bottom:0}.member-row strong{font-size:14px}.member-row small{display:block;margin-top:3px;color:var(--muted)}.status{margin-left:auto;padding:5px 9px;border-radius:999px;background:#e9f7f0;color:var(--green);font-size:11px;font-weight:700}
.simple-form{display:grid;gap:17px}.simple-form label{display:grid;gap:7px;font-size:14px;font-weight:700}.simple-form small,.field-label small{color:var(--muted);font-weight:400}.simple-form input,.form-input,.simple-form textarea,textarea{width:100%;min-height:48px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)}.simple-form textarea,textarea{min-height:92px;resize:vertical}.form-pair{display:grid;grid-template-columns:1.35fr 1fr;gap:10px}.field-label{display:block;margin:18px 0 8px;font-size:14px;font-weight:700}.first-label{margin-top:0}.picker-title{margin-top:22px}.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}.photo-select-button{min-height:105px;display:flex;flex-direction:column;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);cursor:pointer}.photo-select-button span{color:var(--blue);font-size:32px;line-height:1}.photo-select-button strong{margin-top:7px}.photo-select-button small{margin-top:4px;color:var(--muted);font-size:11px}.preview-box{min-height:135px;display:grid;place-items:center;margin-top:14px;border:2px dashed #cbd5e2;border-radius:12px;background:#f9fbfd;color:var(--muted);text-align:center;overflow:hidden}.preview-box p{margin:0}.preview-box.has-photos{grid-template-columns:repeat(2,1fr);gap:6px;padding:6px;border:1px solid var(--line);background:#fff}.preview-box.has-photos img{width:100%;aspect-ratio:1.2;object-fit:cover;border-radius:8px}.save-photo{margin-top:18px}.settings-card{margin-bottom:12px;overflow:hidden}.team-summary{display:flex;align-items:center;gap:14px}.team-summary img{width:64px;height:64px;object-fit:cover;border-radius:12px;background:#fff}.team-summary div{min-width:0}.team-summary small,.team-summary span,.setting-heading small,.setting-link small{display:block;color:var(--muted);font-size:11px}.team-summary strong,.setting-heading strong{display:block;margin:3px 0;font-size:15px}.setting-link{width:100%;min-height:68px;padding:12px 16px;display:flex;align-items:center;gap:12px;border:0;border-bottom:1px solid var(--line);background:#fff;color:var(--ink);text-align:left}.setting-link:last-child{border-bottom:0}.setting-link span{min-width:0}.setting-link strong{display:block;margin-bottom:4px}.setting-link em{margin-left:auto;color:var(--muted);font-size:12px;font-style:normal;white-space:nowrap}.font-size-control{display:grid;grid-template-columns:1fr 1fr;gap:5px;margin-top:12px;padding:4px;border-radius:10px;background:#e8edf3}.font-size-control button{min-height:42px;border:0;border-radius:8px;background:transparent;color:var(--muted);font-weight:700}.font-size-control button.active{background:#fff;color:var(--blue-dark);box-shadow:0 2px 7px rgba(20,40,70,.1)}.version{text-align:center;margin-top:22px;line-height:1.75}.guide-card h2{margin:0 0 10px;font-size:17px}.guide-card p{font-size:14px;line-height:1.75}.guide-status{display:inline-block;margin-bottom:18px;padding:5px 9px;border-radius:999px;background:var(--warm);color:#735b27;font-size:11px;font-weight:800}.guide-note{margin-top:18px;padding:12px;border-radius:10px;background:#f1f5f9;color:#536176}.guide-list{margin:0;padding-left:22px}.guide-list li{margin:10px 0;font-size:14px;line-height:1.6}.update-entry time{color:var(--muted);font-size:12px}.update-entry h2{margin-top:4px}.update-entry ul{margin:0;padding-left:20px}.update-entry li{margin:9px 0;font-size:14px;line-height:1.55}.about-app{text-align:center}.about-app img{width:132px;height:132px;object-fit:cover;border-radius:22px}.about-app p{margin:16px 0 4px}.about-app strong,.about-app span,.about-app small{display:block}.about-app strong{font-size:15px}.about-app span{margin-top:6px;font-size:18px;font-weight:800}.about-app small{margin-top:8px;color:var(--muted)}body.font-large{font-size:18px}body.font-large .app-header strong{font-size:16px}body.font-large .app-header span,body.font-large .section-note,body.font-large .setting-link small,body.font-large .team-summary small,body.font-large .team-summary span{font-size:13px}body.font-large .schedule-meta,body.font-large .page-lead,body.font-large .subtle,body.font-large .guide-card p,body.font-large .guide-list li{font-size:15px}.empty-state{padding:25px 20px;text-align:center}.empty-state span{display:block;color:var(--blue);font-size:32px}.empty-state p{margin:6px 0;color:var(--muted);font-size:13px}
.bottom-nav{width:min(100%,430px);height:calc(70px + env(safe-area-inset-bottom));padding:5px 8px env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:rgba(255,255,255,.98);border-top:1px solid var(--line);position:fixed;bottom:0;z-index:30}.nav-item{min-width:0;border:0;background:transparent;color:#778396;font-size:9px;font-weight:700}.nav-item span{display:block;margin-bottom:3px;font-size:22px;line-height:1}.nav-item.active{color:var(--blue)}.nav-create span{width:36px;height:36px;margin:-14px auto 2px;display:grid;place-items:center;border-radius:50%;background:var(--blue);color:#fff;box-shadow:0 4px 12px rgba(23,105,194,.3);font-size:28px}.nav-create.active{color:var(--blue-dark)}.toast{min-width:220px;padding:12px 18px;border-radius:10px;background:#172033;color:#fff;text-align:center;position:fixed;left:50%;bottom:88px;z-index:50;transform:translate(-50%,20px);opacity:0;pointer-events:none;transition:.2s ease}.toast.show{transform:translate(-50%,0);opacity:1}
.simple-form input[type="date"],.simple-form input[type="time"]{min-width:0;max-width:100%;font-size:16px}.field-help{margin-top:-2px;font-size:11px;line-height:1.45}.photo-empty{grid-column:1/-1}
.calendar-card{padding:13px}.calendar-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.calendar-head h2{margin:0;font-size:18px}.month-button{width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--blue-dark);font-size:28px;line-height:1}.calendar-legend{display:flex;gap:14px;margin:0 0 12px;color:var(--muted);font-size:12px}.calendar-legend span{display:flex;align-items:center;gap:5px}.calendar-weekdays,.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:5px}.calendar-weekdays{margin-bottom:6px;color:var(--muted);font-size:11px;font-weight:700;text-align:center}.calendar-cell{min-width:0;min-height:42px;padding:5px 2px;border:1px solid transparent;border-radius:10px;background:#f8fafc;color:var(--ink);font-weight:700}.calendar-cell.empty{background:transparent}.calendar-cell.has-event{background:#fff;border-color:#d7e3ef}.calendar-cell.selected{border-color:var(--blue);box-shadow:0 0 0 2px var(--blue-soft) inset}.calendar-cell span{display:block}.calendar-dots{min-height:9px;margin-top:3px;display:flex!important;justify-content:center;gap:3px}.dot-upcoming,.dot-memory{width:7px;height:7px;border-radius:50%;display:inline-block}.dot-upcoming{background:var(--green)}.dot-memory{background:var(--blue)}.calendar-events{margin-top:18px}.calendar-event-card{width:100%;padding:13px;border:1px solid var(--line);background:#fff;text-align:left;color:inherit}.calendar-event-card h3{margin:3px 0 8px;font-size:17px;line-height:1.35}.calendar-event-card p{display:flex;flex-wrap:wrap;gap:6px 12px;margin:0;color:var(--muted);font-size:13px;line-height:1.35}
.thumbnails{grid-template-columns:repeat(3,1fr);gap:6px}.thumbnails .photo-card{border-radius:8px}.thumbnails .photo-tile{aspect-ratio:1}.thumbnails .photo-owner{gap:4px;padding:4px}.thumbnails .photo-owner small{display:none}.thumbnails .photo-owner strong{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:9px}.thumbnails .mini-avatar{flex:0 0 19px;width:19px;height:19px;font-size:8px}.comment-form{margin:0 0 10px}.comments-list{border-top:1px solid var(--line)}.empty-inline{padding:24px 10px;text-align:center;color:var(--muted)}.empty-inline span{display:block;margin-bottom:7px;color:var(--blue);font-size:28px}.empty-inline p{margin:0;font-size:13px}.empty-inline small{display:block;margin-top:6px;font-size:11px}.members-empty{padding:32px 10px}
.photo-open{display:block;width:100%;padding:0;border:0;background:transparent}.photo-open .photo-tile{display:block}.zoom-mark{position:absolute;right:7px;bottom:7px;width:25px;height:25px;display:grid;place-items:center;border-radius:50%;background:rgba(20,32,51,.72);color:#fff;font-size:17px;line-height:1}.thumbnails .zoom-mark{right:4px;bottom:4px;width:20px;height:20px;font-size:13px}.viewer-open{overflow:hidden}.photo-viewer{display:none;position:fixed;inset:0;z-index:100;background:rgba(5,10,18,.96);color:#fff;align-items:center;justify-content:center;touch-action:pan-y}.photo-viewer.open{display:flex}.viewer-content{width:100%;height:100%;margin:0;padding:54px 16px 30px;display:flex;flex-direction:column;align-items:center;justify-content:center}.viewer-content img{display:block;max-width:100%;max-height:calc(100dvh - 120px);object-fit:contain}.viewer-content figcaption{width:100%;display:flex;justify-content:space-between;gap:12px;margin-top:12px;color:#eef3fa;font-size:12px}.viewer-close,.viewer-download,.viewer-arrow{position:absolute;z-index:2;border:0;background:rgba(255,255,255,.13);color:#fff}.viewer-close{right:14px;top:14px;width:42px;height:42px;border-radius:50%;font-size:28px}.viewer-download{left:14px;top:14px;min-width:64px;height:42px;padding:0 14px;border-radius:999px;font-size:14px;font-weight:800}.viewer-arrow{top:50%;width:42px;height:58px;transform:translateY(-50%);border-radius:10px;font-size:38px}.viewer-prev{left:8px}.viewer-next{right:8px}.viewer-arrow[hidden]{display:none}@media(max-width:480px){.viewer-arrow{top:auto;bottom:18px;width:52px;height:44px;transform:none}.viewer-prev{left:20px}.viewer-next{right:20px}.viewer-content{padding-bottom:74px}}
@media(min-width:700px){body{padding:24px 0}.app-shell{min-height:calc(100dvh - 48px);border-radius:22px;overflow:hidden}.bottom-nav{bottom:24px;border-radius:0 0 22px 22px}}

.shared-auth{display:grid;gap:16px;padding-top:14px}.shared-auth .team-summary{justify-content:center;text-align:center;flex-direction:column}.shared-auth .team-summary img{width:104px;height:104px;border-radius:22px}.shared-auth h1{margin:0;font-size:22px}.shared-auth p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}.shared-auth form{display:grid;gap:14px}.shared-auth label{display:grid;gap:7px;font-size:14px;font-weight:700}.shared-auth input{width:100%;min-height:48px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff}.shared-status{display:flex;align-items:center;gap:8px;margin:0 0 14px;padding:10px 12px;border-radius:10px;background:#eef5fc;color:var(--blue-dark);font-size:12px;font-weight:700}.shared-status.member{background:#edf7f2;color:var(--green)}.shared-status button{margin-left:auto;border:0;background:transparent;color:inherit;font-weight:800}.shared-loading{padding:60px 20px;text-align:center;color:var(--muted)}.shared-loading strong{display:block;margin-bottom:8px;color:var(--ink)}.shared-error{padding:13px;border:1px solid #efcdd1;border-radius:10px;background:#fff6f7;color:#973943;font-size:13px;line-height:1.6}.shared-event-actions{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.shared-event-actions button{flex:1;min-width:92px}.participation-row{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:12px 0}.participation-row button{min-height:42px;padding:0 5px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--muted);font-size:12px;font-weight:800}.participation-row button.active{border-color:var(--green);background:#edf7f2;color:var(--green)}.shared-photo-input{display:block;width:100%;margin:12px 0;color:var(--muted);font-size:13px}.shared-photo-list{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}.shared-photo-list .photo-card img{display:block;width:100%;aspect-ratio:1.2;object-fit:cover}.shared-photo-list .photo-card:first-child{grid-column:1/-1}.shared-photo-list .photo-card:first-child img{aspect-ratio:1.6}.shared-post-form{display:grid;grid-template-columns:1fr auto;gap:8px;margin-bottom:10px}.shared-post-form input{min-width:0;height:46px;padding:0 12px;border:1px solid var(--line);border-radius:10px}.invite-result{display:grid;gap:10px;margin-top:14px;padding:12px;border-radius:10px;background:#f1f5f9}.invite-result input{width:100%;min-height:44px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:#fff}.shared-admin-only[hidden],.shared-member-only[hidden]{display:none}.bottom-nav.shared-member,.bottom-nav.shared-guest{grid-template-columns:repeat(3,1fr)}.bottom-nav.shared-admin{grid-template-columns:repeat(4,1fr)}.bottom-nav.shared-member [data-route="calendar"],.bottom-nav.shared-member [data-route="create"],.bottom-nav.shared-admin [data-route="calendar"],.bottom-nav.shared-guest [data-route="calendar"],.bottom-nav.shared-guest [data-route="create"]{display:none}.bottom-nav.shared-guest{display:none}.member-row .status.maybe{background:#fff7e7;color:#8a6b24}.member-row .status.not-going{background:#f3f4f6;color:#68758a}.empty-state.compact{padding:18px 14px}.photo-upload-note{margin:8px 0 0;color:var(--muted);font-size:11px;line-height:1.5}