:root{--color-bg: #f8f6f1;--color-surface: #f0ede6;--color-surface-alt: #e8e4db;--color-text: #2c2a26;--color-text-muted: #7a7670;--color-text-subtle: #a09b94;--color-accent: #c45d3e;--color-accent-soft: rgba(196, 93, 62, .1);--color-accent-hover: #a84e34;--color-secondary: #3d5a73;--color-secondary-soft: rgba(61, 90, 115, .1);--color-border: #ddd8cf;--color-border-light: #ebe7df;--color-holiday: #b84c3c;--color-saturday: #4a6e8a;--color-today-bg: rgba(196, 93, 62, .06);--color-proposal: #8a7e5a;--color-proposal-soft: rgba(138, 126, 90, .12);--color-ok: #5a7a5e;--color-ng: #9e5a5a;--color-pending: #8a8580;--user-color-0: #8b5e3c;--user-color-1: #3d5a73;--user-color-2: #6b7c3e;--user-color-3: #8a5082;--user-color-4: #b87333;--user-color-5: #4a7c6f;--user-color-6: #7b5544;--user-color-7: #5c6d8e;--font-heading: "Noto Serif JP", serif;--font-body: "Noto Sans JP", "Zen Kaku Gothic New", sans-serif;--text-xs: .7rem;--text-sm: .8125rem;--text-base: .9375rem;--text-lg: 1.125rem;--text-xl: 1.5rem;--text-2xl: 2rem;--text-3xl: 2.75rem;--leading-tight: 1.3;--leading-normal: 1.65;--leading-loose: 1.9;--weight-light: 300;--weight-normal: 400;--weight-medium: 500;--weight-semibold: 600;--weight-bold: 700;--space-1: .25rem;--space-2: .5rem;--space-3: .875rem;--space-4: 1.5rem;--space-5: 2.5rem;--space-6: 4rem;--space-7: 6.5rem;--radius-sm: 3px;--radius-md: 5px;--radius-lg: 8px;--shadow-sm: 0 1px 2px rgba(44, 42, 38, .04);--shadow-md: 0 2px 8px rgba(44, 42, 38, .08);--shadow-lg: 0 4px 16px rgba(44, 42, 38, .1);--z-dropdown: 100;--z-modal-backdrop: 200;--z-modal: 300;--z-tooltip: 400}@media (prefers-reduced-motion: no-preference){.fade-in{animation:fadeIn .4s ease both}.slide-up{animation:slideUp .35s cubic-bezier(.22,1,.36,1) both}.slide-down{animation:slideDown .3s cubic-bezier(.22,1,.36,1) both}.scale-in{animation:scaleIn .25s cubic-bezier(.22,1,.36,1) both}.month-enter{animation:monthEnter .35s cubic-bezier(.22,1,.36,1) both}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}@keyframes monthEnter{0%{opacity:0;transform:translate(8px)}to{opacity:1;transform:translate(0)}}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-body);font-weight:var(--weight-normal);font-size:var(--text-base);line-height:var(--leading-normal);color:var(--color-text);background-color:var(--color-bg);overflow:hidden}h1,h2,h3,h4{font-family:var(--font-heading);font-weight:var(--weight-semibold);line-height:var(--leading-tight);letter-spacing:-.01em}a{color:var(--color-secondary);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--color-border);transition:text-decoration-color .2s ease}a:hover{text-decoration-color:var(--color-text)}button{font-family:inherit;cursor:pointer;border:none;background:none;font-size:inherit;color:inherit}input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}::selection{background-color:var(--color-accent-soft);color:var(--color-text)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-subtle)}#root{width:100vw;height:100vh;overflow:hidden}.btn-primary{padding:.625rem 1.5rem;border-radius:var(--radius-md);font-size:var(--text-sm);font-weight:var(--weight-medium);letter-spacing:.03em;background:var(--color-text);color:var(--color-bg);border:1px solid var(--color-text);transition:all .2s ease}.btn-primary:hover{background:var(--color-accent);border-color:var(--color-accent)}.btn-secondary{padding:.625rem 1.5rem;border-radius:var(--radius-md);font-size:var(--text-sm);font-weight:var(--weight-medium);letter-spacing:.03em;background:transparent;color:var(--color-text);border:1px solid var(--color-border);transition:all .2s ease}.btn-secondary:hover{background:var(--color-surface);border-color:var(--color-text-muted)}@media (max-width: 768px){.mobile-menu-btn{display:flex!important}.mobile-overlay{display:block!important}.sidebar-wrapper{position:fixed;left:-280px;top:0;z-index:100;transition:left .3s cubic-bezier(.22,1,.36,1)}.sidebar-wrapper.open{left:0}}@media (min-width: 769px){.sidebar-wrapper{display:contents}}@media (max-width: 480px){:root{--text-xs: .65rem;--text-sm: .75rem;--text-base: .85rem}}