@layer tokens{:root{color-scheme:light dark;--color-background: #eef3f8;--color-surface: #ffffff;--color-surface-elevated: #ffffff;--color-text: #333333;--color-muted: #8e8e93;--color-outline: #c6c6c8;--color-card-border: #ffffff;--color-timetable-divider: #c6c6c8;--color-timetable-arrow: #333333;--color-primary: #3a4d8d;--color-on-primary: #ffffff;--color-header-link: var(--color-primary);--color-direction-tab-active: var(--color-tut-blue);--color-direction-tab-inactive: var(--color-muted);--color-direction-tab-line: var(--color-tut-blue);--color-dialog-title: var(--color-tut-blue);--color-disabled: #b5b5b5;--color-danger: #ff3b30;--color-jr: #008803;--color-keio-red: #c8006b;--color-keio-blue: #00377e;--color-tut-blue: var(--color-primary);--color-tut-blue-dark: color-mix(in srgb, var(--color-primary) 72%, #000000 28%);--color-tut-gray: var(--color-disabled);--color-border: var(--color-outline);--color-surface-subtle: color-mix(in srgb, var(--color-surface) 92%, var(--color-background) 8%);--color-notice-background: color-mix(in srgb, var(--color-danger) 10%, var(--color-surface) 90%);--color-on-primary-muted: color-mix(in srgb, var(--color-on-primary) 80%, var(--color-primary) 20%);--color-on-primary-soft: color-mix(in srgb, var(--color-on-primary) 88%, var(--color-primary) 12%);--color-primary-soft: color-mix(in srgb, var(--color-primary) 9%, var(--color-surface) 91%);--color-backdrop: color-mix(in srgb, #000000 38%, transparent);--shadow-card: 0 14px 30px color-mix(in srgb, #000000 14%, transparent);--shadow-ui: 0 3px 10px color-mix(in srgb, #000000 8%, transparent);--shadow-dialog: 0 20px 70px color-mix(in srgb, #000000 30%, transparent);--shadow-prompt: 0 24px 80px color-mix(in srgb, #000000 32%, transparent);--radius-card: 30px;--content-width: 750px}@media(prefers-color-scheme:dark){:root{--color-background: #101b2c;--color-surface: #1b222f;--color-surface-elevated: #2a3443;--color-text: #eceef2;--color-muted: #b0b8c6;--color-outline: #3a4556;--color-card-border: #4e5d72;--color-timetable-divider: #596a82;--color-timetable-arrow: #ffffff;--color-disabled: #7a8699;--color-header-link: var(--color-on-primary);--color-direction-tab-active: var(--color-on-primary);--color-direction-tab-inactive: var(--color-tut-blue);--color-direction-tab-line: var(--color-muted);--color-dialog-title: var(--color-on-primary);--color-surface-subtle: color-mix(in srgb, var(--color-surface) 88%, var(--color-background) 12%);--color-notice-background: color-mix(in srgb, var(--color-danger) 15%, var(--color-surface) 85%);--color-primary-soft: color-mix(in srgb, var(--color-primary) 24%, var(--color-surface) 76%)}}:root[data-theme=light]{color-scheme:light;--color-background: #eef3f8;--color-surface: #ffffff;--color-surface-elevated: #ffffff;--color-text: #333333;--color-muted: #8e8e93;--color-outline: #c6c6c8;--color-card-border: #ffffff;--color-timetable-divider: #c6c6c8;--color-timetable-arrow: #333333;--color-disabled: #b5b5b5;--color-header-link: var(--color-primary);--color-direction-tab-active: var(--color-tut-blue);--color-direction-tab-inactive: var(--color-muted);--color-direction-tab-line: var(--color-tut-blue);--color-dialog-title: var(--color-tut-blue);--color-surface-subtle: color-mix(in srgb, var(--color-surface) 92%, var(--color-background) 8%);--color-notice-background: color-mix(in srgb, var(--color-danger) 10%, var(--color-surface) 90%);--color-primary-soft: color-mix(in srgb, var(--color-primary) 9%, var(--color-surface) 91%)}:root[data-theme=dark]{color-scheme:dark;--color-background: #101b2c;--color-surface: #1b222f;--color-surface-elevated: #2a3443;--color-text: #eceef2;--color-muted: #b0b8c6;--color-outline: #3a4556;--color-card-border: #4e5d72;--color-timetable-divider: #596a82;--color-timetable-arrow: #ffffff;--color-disabled: #7a8699;--color-header-link: var(--color-on-primary);--color-direction-tab-active: var(--color-on-primary);--color-direction-tab-inactive: var(--color-tut-blue);--color-direction-tab-line: var(--color-muted);--color-dialog-title: var(--color-on-primary);--color-surface-subtle: color-mix(in srgb, var(--color-surface) 88%, var(--color-background) 12%);--color-notice-background: color-mix(in srgb, var(--color-danger) 15%, var(--color-surface) 85%);--color-primary-soft: color-mix(in srgb, var(--color-primary) 24%, var(--color-surface) 76%)}}@layer base{*,*:before,*:after{box-sizing:border-box}html{background:var(--color-background);color:var(--color-text);font-family:-apple-system,BlinkMacSystemFont,Hiragino Kaku Gothic ProN,Yu Gothic,sans-serif}body{margin:0;min-width:320px;line-height:1.6}button,a{font:inherit}a{color:inherit}button{cursor:pointer}:focus,:focus-visible{outline:none}[hidden]{display:none!important}.site-shell{min-height:100vh}.site-header{position:relative;display:grid;grid-template-columns:auto 1fr;align-items:center;min-height:76px;padding:8px 12px 11px;background:var(--color-surface)}.site-brand{display:flex;align-items:center;justify-self:end;gap:10px;min-width:0}.site-brand-copy{min-width:0;text-align:right}.site-brand h1{margin:0;color:var(--color-text);font-size:clamp(1.08rem,4.8vw,1.42rem);line-height:1.2;letter-spacing:.06em;white-space:nowrap}.site-brand p{margin:3px 0 0;color:var(--color-muted);font-size:clamp(.62rem,2.7vw,.78rem);line-height:1.25;letter-spacing:.04em;white-space:nowrap}.site-brand-icon{display:grid;flex:0 0 40px;place-items:center;width:40px;height:40px;overflow:hidden;border-radius:12px;background:var(--color-surface)}.site-brand-icon img{display:block;width:100%;height:100%;object-fit:cover}.header-start{display:flex;align-items:center;min-width:0}.theme-toggle{display:grid;width:44px;height:44px;flex:0 0 44px;place-items:center;padding:0;border:0;border-radius:50%;background:transparent;color:var(--color-text)}.theme-toggle:hover{background:var(--color-surface-subtle)}.theme-toggle svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8}.theme-icon-moon{display:none}:root[data-theme=dark] .theme-icon-sun{display:none}:root[data-theme=dark] .theme-icon-moon{display:block}.header-link{justify-self:start;min-height:44px;padding:8px 10px;border:0;background:transparent;color:var(--color-header-link);text-decoration:underline;text-decoration-thickness:.1em;text-underline-offset:.15em;font-weight:700;font-size:.82rem}.stripe{position:absolute;right:0;bottom:0;left:0;display:grid;grid-template-rows:repeat(3,2px);height:6px}.stripe i{display:block;width:100%;height:2px}.stripe i:nth-child(1){background:var(--color-tut-blue)}.stripe i:nth-child(2){background:var(--color-surface)}.stripe i:nth-child(3){background:var(--color-tut-gray)}.site-footer{max-width:var(--content-width);margin:0 auto;padding:22px 18px 34px;background:var(--color-surface);color:var(--color-muted);font-size:.76rem;text-align:center}.site-footer p{margin:0 0 10px}.site-footer nav,.app-footer-links{display:flex;justify-content:center;flex-wrap:wrap;gap:8px 18px}.site-footer a,.app-footer a{color:var(--color-tut-blue)}.noscript-message{margin:18px auto;padding:18px;border-radius:18px;background:var(--color-notice-background)}@media(max-width:430px){.site-header{grid-template-columns:1fr auto;min-height:94px;padding-top:7px}.site-header>.header-start{align-self:start}.site-brand{grid-column:1 / -1;grid-row:2;justify-self:center;gap:8px;max-width:100%}.site-brand h1{font-size:clamp(1.02rem,5.4vw,1.28rem)}.site-brand p{font-size:clamp(.58rem,2.5vw,.7rem)}.site-brand-icon{flex-basis:34px;width:34px;height:34px;border-radius:10px}}}@layer utilities{.muted-copy{color:var(--color-muted);font-size:.9rem}}