:root{--color-bg: #f6f7f9;--color-surface: #ffffff;--color-text: #1f2328;--color-muted: #6b7280;--color-border: #e3e6ea;--color-primary: #3b6fd8;--color-danger: #d14343;--color-sun: #d14343;--color-sat: #3b6fd8;--color-today: #fff6d6;--color-me: #3b6fd8;--color-me-bg: #e4ecfb;--color-partner: #d0568f;--color-partner-bg: #fbe5ef;--radius: 12px;--tap: 44px;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Noto Sans JP,sans-serif;color:var(--color-text);background:var(--color-bg);-webkit-text-size-adjust:100%}@media(prefers-color-scheme:dark){:root{--color-bg: #15171a;--color-surface: #1f2226;--color-text: #e6e8eb;--color-muted: #9aa1aa;--color-border: #33373d;--color-today: #3a3420;--color-me-bg: #233457;--color-partner-bg: #4a2537;--color-primary: #5b8af0}}.tc-blue{--tc: #3b6fd8;--tc-bg: #e4ecfb}.tc-green{--tc: #2f9e5b;--tc-bg: #e1f4e8}.tc-orange{--tc: #e07b1f;--tc-bg: #fdeedd}.tc-red{--tc: #d14343;--tc-bg: #fbe3e3}.tc-purple{--tc: #7c4dd6;--tc-bg: #ede5fb}.tc-pink{--tc: #d0568f;--tc-bg: #fbe5ef}.tc-teal{--tc: #1a9aa0;--tc-bg: #ddf3f4}.tc-gray{--tc: #7a828c;--tc-bg: #eceef1}@media(prefers-color-scheme:dark){.tc-blue{--tc: #6f9bf0;--tc-bg: #233457}.tc-green{--tc: #5cc485;--tc-bg: #1f3b2b}.tc-orange{--tc: #f0a25a;--tc-bg: #47321d}.tc-red{--tc: #ec7272;--tc-bg: #4a2424}.tc-purple{--tc: #a585ee;--tc-bg: #33274f}.tc-pink{--tc: #ea85b3;--tc-bg: #4a2537}.tc-teal{--tc: #4fc3c8;--tc-bg: #1c3a3c}.tc-gray{--tc: #a3abb5;--tc-bg: #2e3238}}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;background:var(--color-bg);overscroll-behavior-y:none}button,input,textarea{font:inherit;color:inherit}button{cursor:pointer;min-height:var(--tap);border:1px solid var(--color-border);background:var(--color-surface);border-radius:10px;padding:0 16px;font-weight:500;touch-action:manipulation;user-select:none;-webkit-user-select:none;transition:transform .08s,opacity .08s}button:active:not(:disabled){transform:scale(.97)}button:disabled{cursor:default;opacity:.5}button.primary{background:var(--color-primary);border-color:var(--color-primary);color:#fff;font-weight:600}button.danger{color:var(--color-danger);border-color:var(--color-danger);background:transparent}button.block{display:block;width:100%;min-height:50px;margin-top:16px;font-size:1rem}.link-button{border:none;background:none;color:var(--color-primary);padding:0 8px;font-weight:600}.icon-button{border:none;background:none;min-width:var(--tap);padding:0;font-size:1.6rem;line-height:1;color:var(--color-muted)}.app{display:flex;flex-direction:column;height:100dvh;max-width:720px;margin:0 auto;overflow:hidden}.app-header{flex-shrink:0;display:flex;align-items:center;gap:8px;height:calc(48px + env(safe-area-inset-top));padding:env(safe-area-inset-top) max(12px,env(safe-area-inset-right)) 0 max(16px,env(safe-area-inset-left));background:var(--color-bg)}.app-header h1{display:flex;align-items:center;gap:6px;font-size:1.3rem;font-weight:800;letter-spacing:.02em;margin:0 auto 0 0;color:var(--color-primary)}.app-header h1 img{border-radius:7px}.header-button{display:inline-flex;align-items:center;gap:4px;min-height:34px;padding:0 12px;border-radius:999px;font-size:.85rem;font-weight:600;color:var(--color-text)}.header-button svg{color:var(--color-muted)}.header-button--primary{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.avatar-button{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;min-height:0;padding:0;border:none;border-radius:50%;background:var(--color-primary);color:#fff;font-weight:700;flex-shrink:0}.account__name{font-weight:600}.account__name,.account__email{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.account__email{font-size:.85rem;color:var(--color-muted)}.avatar-button--large{width:64px;height:64px;font-size:1.6rem;margin-bottom:8px}.account-profile{display:flex;flex-direction:column;align-items:center;text-align:center;gap:2px;padding:8px 0 20px;min-width:0}.account-profile .account__name{font-size:1.1rem;max-width:100%}.account-profile .account__email{max-width:100%}.account-settings{list-style:none;margin:0;padding:0;border:1px solid var(--color-border);border-radius:var(--radius)}.account-settings li{display:flex;align-items:center;gap:12px;min-height:52px;padding:0 4px 0 16px}.account-settings li+li{border-top:1px solid var(--color-border)}.account-settings__label{color:var(--color-muted);font-size:.9rem;flex-shrink:0}.account-settings__value{flex:1;min-width:0;text-align:right;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.account-delete{display:block;margin:12px auto 0;color:var(--color-danger);font-size:.85rem;font-weight:500}.login-options{display:flex;flex-direction:column;gap:8px;margin-top:16px}.login-option{display:flex;align-items:center;justify-content:center;gap:10px;min-height:50px;border:1px solid #dadce0;border-radius:10px;background:#fff;color:#1f1f1f}.login-option--line{border-color:#06c755;background:#06c755;color:#fff;font-weight:600}.login-option:disabled{opacity:.5}.app-main,.calendar-page{flex:1;min-height:0;display:flex;flex-direction:column}.app>.form-error,.app-main>.form-error,.loading{margin:8px 16px}.loading,.hint{color:var(--color-muted);font-size:.9rem}.form-error{color:var(--color-danger);font-size:.9rem;margin:8px 0}.month-nav{flex-shrink:0;display:flex;align-items:center;gap:2px;padding:0 12px 6px 4px}.month-nav h2{font-size:1.2rem;font-weight:700;margin:0;white-space:nowrap;font-variant-numeric:tabular-nums}.today-button{margin-left:auto;min-height:34px;padding:0 14px;border-radius:999px;font-size:.85rem;white-space:nowrap}.month-swipe{flex:1;min-height:0;display:flex;flex-direction:column;touch-action:pan-y}.month-grid{flex:1;min-height:0;display:flex;flex-direction:column;background:var(--color-surface);border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border)}@media(min-width:600px){.month-grid{margin:0 8px;border:1px solid var(--color-border);border-radius:var(--radius);overflow:hidden}}.month-grid__row{display:grid;grid-template-columns:repeat(7,minmax(0,1fr))}.month-grid__row:not(.month-grid__head){flex:1;min-height:0}.month-grid__head{border-bottom:1px solid var(--color-border)}.weekday{text-align:center;font-size:.7rem;font-weight:600;padding:6px 0;color:var(--color-muted)}.dow-0 .day-cell__number,.weekday.dow-0{color:var(--color-sun)}.dow-6 .day-cell__number,.weekday.dow-6{color:var(--color-sat)}.day-cell{display:flex;flex-direction:column;align-items:stretch;gap:2px;min-height:0;padding:3px 2px;border:none;border-radius:0;border-right:1px solid var(--color-border);border-bottom:1px solid var(--color-border);background:none;text-align:left;font-weight:400;overflow:hidden}.day-cell:active:not(:disabled){transform:none;background:var(--color-bg)}.month-grid__row:last-child .day-cell{border-bottom:none}.day-cell:nth-child(7n){border-right:none}.day-cell.is-outside{opacity:.35}.day-cell__number{align-self:center;display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;border-radius:999px;font-size:.78rem;font-weight:600;font-variant-numeric:tabular-nums}.day-cell.is-today .day-cell__number{background:var(--color-primary);color:#fff}.day-cell__shifts{display:flex;flex-direction:column;gap:2px;min-height:0;overflow:hidden}.shift-chip{display:flex;flex-direction:column;align-items:center;border-radius:5px;padding:2px 1px;font-size:.68rem;line-height:1.2;white-space:nowrap;overflow:hidden;flex-shrink:0}.shift-chip.is-mine{background:var(--tc-bg, var(--color-me-bg));color:var(--tc, var(--color-me))}.shift-chip.is-partner{background:transparent;color:var(--color-partner);box-shadow:inset 0 0 0 1px var(--color-partner)}.shift-chip__type{font-weight:700;max-width:100%;overflow:hidden;text-overflow:ellipsis}.shift-chip__time{color:var(--color-muted);font-size:.58rem;max-width:100%;overflow:hidden;text-overflow:ellipsis;font-variant-numeric:tabular-nums}.day-cell.is-selected{background:color-mix(in srgb,var(--color-primary) 10%,transparent);box-shadow:inset 0 0 0 2px var(--color-primary)}.shift-chip__time .time-short{display:none}@media(max-width:599px){.shift-chip__time .time-full{display:none}.shift-chip__time .time-short{display:inline}}.legend{flex-shrink:0;display:flex;gap:16px;font-size:.72rem;color:var(--color-muted);padding:6px 16px}.legend__item:before{content:"";display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:4px;vertical-align:-1px}.legend__item.is-mine:before{background:var(--color-me)}.legend__item.is-partner:before{box-shadow:inset 0 0 0 1.5px var(--color-partner)}.bottom-bar,.quick-palette{flex-shrink:0}.bottom-bar{padding:4px 16px calc(10px + env(safe-area-inset-bottom))}.bottom-bar__main{width:100%;min-height:48px;border-radius:14px;font-size:1.05rem;box-shadow:0 6px 16px color-mix(in srgb,var(--color-primary) 35%,transparent)}.is-quick-input .legend{display:none}.quick-palette{background:var(--color-surface);border-radius:18px 18px 0 0;box-shadow:0 -6px 20px #0000001f;padding:6px 12px calc(12px + env(safe-area-inset-bottom))}.quick-palette__header{display:flex;align-items:center;justify-content:space-between;gap:8px}.quick-palette__heading{display:flex;flex-direction:column;min-width:0}.quick-palette__status{font-size:.8rem;color:var(--color-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.quick-palette__done{flex-shrink:0;min-height:36px;padding:0 18px;border-radius:999px}.quick-palette__date{font-weight:700;font-size:1rem;white-space:nowrap}.quick-palette__buttons{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:4px}.quick-palette__buttons .preset{min-height:46px;padding:0 4px;border-radius:12px;font-weight:700;font-size:.95rem;background:var(--tc-bg, var(--color-me-bg));color:var(--tc, var(--color-me));border:none;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.quick-palette__buttons .preset.is-sub{background:var(--color-bg);font-weight:500;color:var(--color-muted)}.quick-palette__footer{display:flex;justify-content:flex-end;margin-top:6px}.quick-palette__edit-types{min-height:32px;font-size:.85rem;font-weight:500;color:var(--color-muted)}.sheet-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:flex-end;justify-content:center;z-index:10;animation:fade-in .15s ease-out}.sheet{position:relative;width:100%;max-width:560px;max-height:92dvh;overflow-y:auto;overscroll-behavior:contain;background:var(--color-surface);border-radius:20px 20px 0 0;padding:20px 16px calc(20px + env(safe-area-inset-bottom));animation:slide-up .22s cubic-bezier(.2,.8,.2,1)}.sheet:before{content:"";position:absolute;top:8px;left:50%;width:36px;height:4px;margin-left:-18px;border-radius:2px;background:var(--color-border)}@keyframes slide-up{0%{transform:translateY(100%)}}@keyframes fade-in{0%{opacity:0}}@media(min-width:600px){.sheet-backdrop{align-items:center}.sheet{border-radius:20px}.sheet:before{display:none}}.sheet__header{display:flex;align-items:center;justify-content:space-between;margin:0 -8px 12px 0}.sheet__header h2{font-size:1.15rem;margin:0}.day-shift-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.day-shift-list button{width:100%;min-height:56px;display:grid;grid-template-columns:auto auto 1fr;align-items:center;gap:4px 10px;padding:10px 14px;text-align:left;border-radius:var(--radius);font-weight:400}.day-shift-list button:disabled{opacity:1}.owner-dot{width:10px;height:10px;border-radius:50%}.is-mine .owner-dot{background:var(--color-me)}.is-partner .owner-dot{background:var(--color-partner)}.day-shift-list__type{font-weight:700}.day-shift-list__time{color:var(--color-muted);font-size:.9rem;font-variant-numeric:tabular-nums}.day-shift-list__memo{grid-column:2 / -1;font-size:.85rem;color:var(--color-muted);white-space:pre-wrap}.shift-form,.shift-type-form{display:flex;flex-direction:column;gap:14px}.shift-type-form{background:var(--color-bg);border-radius:var(--radius);padding:14px;margin-top:8px}.preset-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(72px,1fr));gap:8px}.preset{padding:0 8px;border-radius:999px}.preset[class*=tc-]{border-color:var(--tc);color:var(--tc)}.preset.is-selected{background:var(--tc-bg, var(--color-me-bg));border-color:var(--tc, var(--color-me));box-shadow:inset 0 0 0 1px var(--tc, var(--color-me));font-weight:700}.field{display:flex;flex-direction:column;gap:6px;font-size:.8rem;font-weight:600;color:var(--color-muted);flex:1;min-width:0}.field input,.field textarea{width:100%;min-height:var(--tap);padding:10px 12px;border:1px solid var(--color-border);border-radius:10px;background:var(--color-surface);font-size:1rem;font-weight:400;color:var(--color-text);-webkit-appearance:none;-moz-appearance:none;appearance:none}.field input:focus,.field textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--color-primary) 20%,transparent)}.field-row{display:flex;gap:10px}.field-row--end{justify-content:flex-end;margin-top:-8px}.field-row--end .link-button{min-height:32px;font-size:.85rem}.overnight{color:var(--color-partner);margin-left:4px}.form-actions{display:flex;gap:8px;margin-top:4px}.form-actions button{min-height:48px}.form-actions button.primary{flex:1;max-width:50%}.spacer{flex:1}.shift-types-sheet .hint{margin:-4px 0 14px}.shift-type-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.shift-type-row{width:100%;min-height:56px;display:flex;align-items:center;gap:12px;border-radius:var(--radius);padding:0 14px;text-align:left;font-weight:400}.color-dot{width:14px;height:14px;border-radius:50%;background:var(--tc);flex-shrink:0}.color-picker{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));justify-items:center;gap:6px;border:none;margin:0;padding:0}.color-picker legend{font-size:.8rem;font-weight:600;color:var(--color-muted);margin-bottom:6px;padding:0}.color-swatch{width:34px;height:34px;min-height:0;border-radius:50%;background:var(--tc);border:3px solid var(--color-bg);box-shadow:none;padding:0}.color-swatch[aria-checked=true]{box-shadow:0 0 0 2px var(--tc)}.shift-type-row__name{font-weight:700;min-width:3.5em}.shift-type-row__time{flex:1;color:var(--color-muted);font-size:.9rem;font-variant-numeric:tabular-nums}.chevron{color:var(--color-muted);font-size:1.3rem}.update-banner{position:fixed;top:calc(8px + env(safe-area-inset-top));left:50%;transform:translate(-50%);width:calc(100% - 16px);max-width:480px;display:flex;align-items:center;gap:8px;padding:8px 8px 8px 14px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:0 4px 16px #00000026;z-index:20}.update-banner span{flex:1;font-size:.9rem}@media(max-width:359px){.quick-palette__buttons{gap:6px}.quick-palette__buttons .preset{font-size:.85rem}.quick-palette__date{font-size:.9rem}}.app-header__actions{display:flex;align-items:center;gap:12px}.sync-indicator{border:none;border-radius:999px;padding:2px 10px;font-size:.75rem;background:var(--color-bg);color:var(--color-muted)}.sync-indicator.is-warning{background:#fff1d6;color:#8a5a00}.share-section{display:flex;flex-direction:column;gap:8px;padding:12px 0;border-bottom:1px solid var(--color-border)}.share-section:last-of-type{border-bottom:none}.share-section h3{font-size:.9rem;margin:0}.share-section__head{display:flex;align-items:center;justify-content:space-between}.member-list,.invitation-list,.conflict-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.member-list li,.invitation-list li{display:flex;align-items:center;gap:8px}.member-list__name{flex:1}.invitation-list li{justify-content:space-between;font-size:.85rem}.badge{font-size:.7rem;padding:1px 8px;border-radius:999px;background:var(--color-bg);color:var(--color-muted)}.invite-url{display:flex;flex-direction:column;gap:8px}.invite-url input{width:100%;font-size:.85rem}.invite-url__actions{display:flex;gap:8px}.invite-url__actions button{flex:1}.sync-info{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;margin:0;font-size:.85rem}.sync-info dt{color:var(--color-muted)}.sync-info dd{margin:0}.danger-text{color:var(--color-danger)}button.warning{background:#fff1d6;color:#8a5a00;border-color:#f0d9a8}.conflict-list>li{display:flex;flex-direction:column;gap:8px;padding:8px 0}.conflict-list__sides,.conflict-list__actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}.conflict-card{display:flex;flex-direction:column;gap:2px;padding:8px;border-radius:8px;border:1px solid var(--color-border);font-size:.85rem}.conflict-card__label{font-size:.75rem;font-weight:700;color:var(--color-muted)}.conflict-card__memo{color:var(--color-muted);white-space:pre-wrap}.group-card{display:flex;flex-direction:column;gap:8px;padding:12px;border:1px solid var(--color-border);border-radius:12px}.group-card__leave{align-self:flex-start;font-size:.8rem}.group-nav{display:flex;align-items:center;gap:8px;padding:0 4px 4px}.group-nav__title{font-weight:700;font-size:.95rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.member-c0{--color-partner: #d0568f}.member-c1{--color-partner: #1e9e74}.member-c2{--color-partner: #d9822b}.member-c3{--color-partner: #8a5cd6}.member-c4{--color-partner: #2b9bb8}.member-c5{--color-partner: #a8862a}.day-shift-list__owner{font-size:.75rem;font-weight:700;color:var(--color-partner)}.legend{flex-wrap:wrap}.member-grid{flex:1;min-height:0;overflow-y:auto;background:var(--color-surface);border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border)}@media(min-width:600px){.member-grid{margin:0 8px;border:1px solid var(--color-border);border-radius:var(--radius)}}.member-grid__row{display:grid;width:100%;min-height:44px;padding:0;border:none;border-radius:0;border-bottom:1px solid var(--color-border);background:none;font-weight:400;text-align:left}.member-grid__row:active:not(:disabled){transform:none;background:var(--color-bg)}.member-grid__head{position:sticky;top:0;z-index:1;min-height:0;background:var(--color-surface)}.member-grid__member{padding:6px 2px;text-align:center;font-size:.72rem;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.member-grid__member.is-mine{color:var(--color-me)}.member-grid__member.is-partner{color:var(--color-partner)}.member-grid__date{display:flex;align-items:center;gap:2px;padding:0 2px;border-right:1px solid var(--color-border)}.member-grid__dow{font-size:.65rem;color:var(--color-muted)}.member-grid__row.dow-0 .member-grid__dow{color:var(--color-sun)}.member-grid__row.dow-6 .member-grid__dow{color:var(--color-sat)}.member-grid__row.is-today .day-cell__number{background:var(--color-primary);color:#fff}.member-grid__cell{display:flex;flex-direction:column;justify-content:center;gap:2px;padding:3px 2px;min-width:0;border-right:1px solid var(--color-border)}.member-grid__cell:last-child{border-right:none}:root{--color-off: #c2570c;--color-off-bg: #ffedb8}@media(prefers-color-scheme:dark){:root{--color-off: #fcd34d;--color-off-bg: #4a3812}}.shift-chip.is-off,.shift-chip.is-off.is-mine,.shift-chip.is-off.is-partner{background:var(--color-off-bg);color:var(--color-off);box-shadow:none}.member-grid__cell.is-off{background:repeating-linear-gradient(-45deg,var(--color-off-bg),var(--color-off-bg) 6px,color-mix(in srgb,var(--color-off-bg) 70%,transparent) 6px,color-mix(in srgb,var(--color-off-bg) 70%,transparent) 12px)}.member-grid__cell.is-off .shift-chip.is-off{background:transparent;color:var(--color-off)}