@layer reset,base,components,utilities;@layer reset{*,*:before,*:after{box-sizing:border-box}*{margin:0}[hidden]{display:none!important}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}body{min-height:100dvh}img,picture,video,canvas,svg{display:block;max-width:100%}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}ul[class],ol[class]{list-style:none;padding:0}}@layer base{:root{--space-1: .5rem;--space-2: 1rem;--space-3: 1.5rem;--space-4: 2rem;--space-5: 3rem;--space-6: 4rem;--radius-sm: .5em;--radius-md: 1em;--radius-lg: 2em;--shadow-sm: 0 1px 2px #3a383d0a, 0 12px 24px -4px #3a383d1f;--shadow-md: 0 2px 4px #3a383d0d, 0 24px 48px -8px #3a383d24;--color-bg: #ffffff;--color-bg-elevated: #ffffff;--color-surface: #ffffff;--color-surface-hover: #e8e7e9;--color-border: #d3d2d5;--color-border-strong: #8c888f;--color-text: black;--color-text-secondary: #74717a;--color-text-tertiary: #56535a;--color-accent: #5a804e;--color-accent-hover: #2a3626;--color-accent-contrast: black;--color-accent-soft: color-mix(in srgb, #5a804e, white 90%);--color-success: #166534;--color-success-soft: #dcf3e2;--color-warning: #9a6700;--color-warning-soft: #fbeed2;--color-danger: #b92c1f;--color-danger-soft: #f9e3e0;--color-focus-ring: #5a804e;--font-sans: Arial, "Helvetica Neue", Helvetica, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-heading: "Exo", var(--font-sans);--font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;--font-jp: "Noto Sans JP", Arial, "Helvetica Neue", Helvetica, sans-serif;--font-sans-ja: var(--font-jp);--font-heading-ja: "Exo", var(--font-jp);--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 1.875rem;--text-4xl: 3.5rem;--max-width: 72rem;--header-height: 4rem;color-scheme:light dark}[data-theme=dark]{--color-bg: #1a1a1a;--color-bg-elevated: #242424;--color-surface: #242424;--color-surface-hover: #2e2e2e;--color-border: #3a3a3a;--color-border-strong: #7a7870;--color-text: #f2f2f2;--color-text-secondary: #a0a0a0;--color-text-tertiary: #8c8c8c;--color-accent: #7cb868;--color-accent-hover: #9cd488;--color-accent-contrast: #141414;--color-accent-soft: #2a3a24;--color-success: #4ade80;--color-success-soft: #12331f;--color-warning: #fbbf24;--color-warning-soft: #3a2c06;--color-danger: #f87171;--color-danger-soft: #451515;--color-focus-ring: #7cb868;--shadow-sm: 0 1px 2px rgb(0 0 0 / .4), 0 12px 24px -4px rgb(0 0 0 / .5);--shadow-md: 0 2px 4px rgb(0 0 0 / .45), 0 24px 48px -8px rgb(0 0 0 / .6)}html{scroll-behavior:smooth}html[lang=ja]{--font-sans: var(--font-sans-ja);--font-heading: var(--font-heading-ja)}body{font-family:var(--font-sans);font-size:var(--text-base);line-height:1.6;color:var(--color-text);background-color:var(--color-bg);display:flex;flex-direction:column}main{flex:1}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);line-height:1.2;text-wrap:balance}h1{font-size:var(--text-4xl);font-weight:700;letter-spacing:-.1rem;line-height:1.05}h2{font-size:3em;font-weight:700;letter-spacing:-.1rem}h3{font-size:2.5em;font-weight:600;letter-spacing:-.1rem}h4{font-size:2em;font-weight:600}h5{font-size:1.5em;font-weight:600}h6{font-size:1.25em;font-weight:600}a{color:var(--color-accent);text-decoration-thickness:1px;text-underline-offset:3px}a:hover{color:var(--color-accent-hover)}p{max-width:65ch}::selection{background-color:var(--color-accent-soft)}::-webkit-scrollbar{width:12px;height:12px}::-webkit-scrollbar-thumb{background-color:var(--color-border-strong);border:3px solid var(--color-bg)}::-webkit-scrollbar-track{background-color:var(--color-bg)}*{caret-color:var(--color-accent)}:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}}@layer components{.container{width:100%;max-width:var(--max-width);margin-inline:auto;padding-inline:var(--space-2)}@media(min-width:48rem){.container{padding-inline:var(--space-3)}}.section{margin-block:var(--space-5)}.section--tight{margin-block:var(--space-3)}.label-plate{display:inline-flex;align-items:center;gap:.5rem;padding:.375rem .75rem;border:1px solid var(--color-border);border-radius:var(--radius-sm);background-color:var(--color-bg-elevated);color:var(--color-text-secondary);font-size:var(--text-xs);font-weight:600;letter-spacing:.05em;line-height:1.4}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;min-height:44px;padding:.75em 1.5em;border-radius:var(--radius-md);border:1px solid var(--color-border-strong);font-weight:600;font-size:var(--text-base);letter-spacing:normal;text-transform:none;line-height:1.2;text-decoration:none;transition:background-color .3s ease-in-out,border-color .3s ease-in-out,color .3s ease-in-out}.btn:disabled{opacity:.55;cursor:not-allowed}.btn--primary{background-color:color-mix(in srgb,var(--color-accent),white 60%);border-color:color-mix(in srgb,var(--color-accent),white 20%);color:#000}.btn--primary:hover:not(:disabled){background-color:color-mix(in srgb,var(--color-accent),white 40%);border-color:var(--color-accent);color:#000}.btn--secondary{background-color:transparent;color:#000;border-color:color-mix(in srgb,var(--color-accent),white 20%)}.btn--secondary:hover:not(:disabled){background-color:var(--color-surface-hover);color:var(--color-text)}.btn--ghost{background-color:transparent;border-color:transparent;color:var(--color-accent)}.btn--ghost:hover:not(:disabled){background-color:var(--color-accent-soft);color:var(--color-accent-hover)}.btn--sm{min-height:40px;padding:.375em .875em}@media(pointer:coarse){.btn--sm,.icon-btn,.nav__list a,.footer__list a{min-height:44px}.nav__list a,.footer__list a{display:inline-flex;align-items:center}}.field{display:flex;flex-direction:column;gap:.375rem}.field__label{font-size:var(--text-xs);font-weight:700;letter-spacing:.07em;text-transform:uppercase}.field__hint{font-size:var(--text-xs);color:var(--color-text-tertiary)}.field__error{font-size:var(--text-sm);color:var(--color-danger);font-weight:700}.checkbox{display:flex;align-items:center;gap:.5rem;min-height:44px;padding:.5rem .75rem;background-color:var(--color-bg-elevated);border:1px solid var(--color-border-strong);border-radius:var(--radius-md);cursor:pointer}.checkbox__input{width:1.125rem;height:1.125rem;accent-color:var(--color-accent);flex-shrink:0}.checkbox__label{font-size:var(--text-xs);font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--color-text)}.input,.select,.textarea{width:100%;min-height:44px;padding:.5rem .75rem;background-color:var(--color-bg-elevated);border:1px solid var(--color-border-strong);border-radius:var(--radius-md);color:var(--color-text);font-size:var(--text-base)}.input::placeholder,.textarea::placeholder{color:var(--color-text-tertiary)}.input:focus,.select:focus,.textarea:focus{border-color:var(--color-accent)}.input[aria-invalid=true],.select[aria-invalid=true],.textarea[aria-invalid=true]{border-color:var(--color-danger)}.textarea{min-height:9rem;font-family:var(--font-mono);font-size:var(--text-sm);line-height:1.5;resize:vertical}.select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--color-text-secondary) 50%),linear-gradient(135deg,var(--color-text-secondary) 50%,transparent 50%);background-position:calc(100% - 1.1rem) 55%,calc(100% - .8rem) 55%;background-size:.3rem .3rem;background-repeat:no-repeat;padding-right:2.25rem}.input-group{display:flex;gap:var(--space-1);align-items:stretch}.input-prefix{display:inline-flex;align-items:center;padding-left:.75rem;color:var(--color-text-tertiary);font-weight:700;border:1px solid var(--color-border-strong);border-right:none;border-radius:var(--radius-md) 0 0 var(--radius-md);background-color:var(--color-surface-hover)}.input-group .input{border-top-left-radius:0;border-bottom-left-radius:0}.tool-form{display:grid;gap:var(--space-2)}.tool-form__fields{display:grid;grid-template-columns:1fr;gap:var(--space-2)}@media(min-width:48rem){.tool-form__fields{grid-template-columns:repeat(2,1fr)}}.tool-form__actions{display:flex;flex-wrap:wrap;gap:var(--space-1)}.unit-toggle{border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-2);margin:0 0 var(--space-2);display:grid;gap:.5rem}.unit-toggle__legend{font-size:var(--text-xs);font-weight:700;letter-spacing:.08em;text-transform:uppercase}.unit-toggle__options{display:inline-flex;flex-wrap:wrap;gap:.25rem;padding:.25rem;background-color:var(--color-surface-hover);border-radius:var(--radius-md);width:fit-content}.unit-toggle__option{display:inline-flex;align-items:center;gap:.375rem;padding:.375rem .75rem;border-radius:var(--radius-sm);font-size:var(--text-sm);font-weight:600;color:var(--color-text-tertiary);cursor:pointer}.unit-toggle__option:has(input:checked){background-color:var(--color-accent);color:var(--color-accent-contrast);box-shadow:var(--shadow-sm)}.unit-toggle__option:has(input:focus-visible){outline:2px solid var(--color-focus-ring);outline-offset:2px}.unit-toggle__option input{position:absolute;opacity:0;pointer-events:none}.mode-panel{display:grid;gap:var(--space-2)}.mode-panel[hidden]{display:none}.card{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-3);box-shadow:var(--shadow-sm);position:relative}.card--interactive{text-decoration:none;color:inherit;display:flex;flex-direction:column;gap:var(--space-1);transition:border-color .15s ease,transform .15s ease,box-shadow .15s ease}.card--interactive:hover{border-color:var(--color-accent);transform:translateY(-1px);box-shadow:var(--shadow-md);color:inherit}.tool-shell{position:relative;background-color:var(--color-surface);border:1px solid var(--color-border-strong);border-left:3px solid var(--color-accent);border-radius:var(--radius-lg);padding:var(--space-3);box-shadow:var(--shadow-md)}.result-panel{position:relative;background-color:var(--color-bg-elevated);color:var(--color-text);border:1px solid var(--color-border);border-left:3px solid var(--color-accent);border-radius:var(--radius-md);padding:var(--space-3);margin-top:var(--space-3)}.result-panel .stat__label{color:var(--color-text-secondary)}.result-panel .stat-grid{margin-top:var(--space-1)}.result-value{font-size:var(--text-2xl);font-weight:800;line-height:1.3;color:var(--color-text)}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(10rem,1fr));gap:var(--space-2)}.stat{border-top:1px dashed var(--color-border-strong);padding-top:var(--space-2);display:grid;gap:.375rem}.stat__label{font-size:var(--text-xs);font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-secondary)}.stat__value{font-size:var(--text-2xl);font-weight:800;line-height:1.25;letter-spacing:-.02em;font-variant-numeric:tabular-nums}.bar{position:relative;display:flex;height:.75rem;background-color:transparent;border:1px solid var(--color-border-strong);overflow:hidden}.bar:before{content:"";position:absolute;inset:0;background-color:var(--color-surface-hover)}.bar__fill{position:relative;height:100%;width:0;background-color:var(--color-accent);transform:scaleX(0);transform-origin:left;transition:transform .35s cubic-bezier(.16,1,.3,1)}.bar__fill.is-set{transform:scaleX(1)}.bar__fill[data-polarity=positive]{background-color:var(--color-success)}.bar__fill[data-polarity=negative]{background-color:var(--color-danger)}.bar__fill--stack-secondary{background-color:var(--color-border-strong)}.bar__fill--muted{background-color:var(--color-text-tertiary);opacity:.45}.result-summary{margin-top:var(--space-2);font-size:var(--text-base);font-weight:700;color:var(--color-text);padding:var(--space-1) var(--space-2);border-top:2px solid var(--color-accent);background-color:var(--color-surface-hover)}.result-actions{display:flex;flex-wrap:wrap;gap:var(--space-1);margin-top:var(--space-2);padding-top:var(--space-2);border-top:1px solid var(--color-border)}.size-compare{display:grid;gap:.5rem;margin-top:var(--space-1)}.size-compare__row{display:grid;grid-template-columns:4.5rem 1fr 6rem;gap:.75rem;align-items:center}.size-compare__label{font-size:var(--text-xs);font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--color-text-tertiary)}.size-compare__bar{height:.5rem}.size-compare__value{font-size:var(--text-xs);color:var(--color-text-secondary);text-align:right;font-variant-numeric:tabular-nums}.rack{margin-top:var(--space-2);border-top:1px solid var(--color-border)}.rack-row{position:relative;display:grid;grid-template-columns:1fr;gap:.125rem .75rem;padding:.625rem .375rem;border-bottom:1px solid var(--color-border);text-decoration:none;color:var(--color-text);transition:background-color .15s ease}.rack-row:hover{background-color:var(--color-surface-hover)}.rack-row__cat{font-size:var(--text-xs);font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--color-text-tertiary)}.rack-row__name{font-weight:700;display:inline-flex;align-items:baseline;gap:.5rem;flex-wrap:wrap}.rack-row__desc{font-size:var(--text-sm);color:var(--color-text-secondary)}@media(min-width:48rem){.rack-row{grid-template-columns:10rem 16rem 1fr;align-items:baseline}.rack-row--compact{grid-template-columns:16rem 1fr}}.rack-item{position:relative}.rack-item .rack-row{padding-right:2.5rem}.fav-toggle{position:absolute;right:.25rem;top:50%;transform:translateY(-50%);display:inline-flex;align-items:center;justify-content:center;width:32px;min-height:32px;padding:0;border:1px solid var(--color-border-strong);background-color:var(--color-surface);color:var(--color-text-tertiary);border-radius:var(--radius-sm);opacity:0;transition:opacity .15s ease,border-color .15s ease,color .15s ease}.rack-item:hover .fav-toggle,.fav-toggle:focus-visible,.fav-toggle.is-active{opacity:1}.fav-toggle:hover,.fav-toggle.is-active{border-color:var(--color-accent);color:var(--color-accent)}.fav-toggle.is-active svg{fill:currentColor}@media(pointer:coarse){.fav-toggle{opacity:1;right:0;width:44px;min-height:44px}.rack-item .rack-row{padding-right:3.5rem}}.rack-row__go{margin-left:auto;color:var(--color-text-tertiary);font-weight:700}@media(min-width:48rem){.rack-row__go{display:none}}.badge{display:inline-flex;align-items:center;gap:.375rem;padding:.125rem .5rem;border:1px solid var(--color-border-strong);font-size:var(--text-xs);font-weight:700;letter-spacing:.06em;text-transform:uppercase;background-color:var(--color-surface);color:var(--color-text-secondary)}.badge--success{background-color:var(--color-success-soft);color:var(--color-success);border-color:transparent}.prose{max-width:68ch;display:grid;gap:var(--space-3)}.prose h2{margin-top:var(--space-2)}.prose ul,.prose ol{padding-left:1.5rem;display:grid;gap:.375rem}.prose ul{list-style:disc}.prose ol{list-style:decimal}.prose li::marker{color:var(--color-text-tertiary)}.prose table{width:100%;border-collapse:collapse;font-size:var(--text-sm)}.prose th,.prose td{border:1px solid var(--color-border);padding:.5rem .75rem;text-align:left;vertical-align:top}.prose th{background-color:var(--color-surface-hover);font-weight:700}.prose code{font-family:var(--font-mono);font-size:.875em;background-color:color-mix(in srgb,var(--color-accent),white 90%);border:1px solid color-mix(in srgb,var(--color-accent),white 60%);border-radius:var(--radius-sm);padding:.125rem .375rem}.prose pre{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-2);overflow-x:auto;font-size:var(--text-sm);line-height:1.5}.prose pre code{background:none;border:none;padding:0}.prose blockquote{border-left:3px solid var(--color-accent);padding-left:var(--space-2);color:var(--color-text-secondary)}.prose .formula{font-family:var(--font-mono);background-color:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-2);overflow-x:auto;font-size:var(--text-base)}.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:.375rem;font-size:var(--text-sm);color:var(--color-text-tertiary)}.breadcrumbs a{color:var(--color-text-secondary);text-decoration:none}.breadcrumbs a:hover{color:var(--color-accent);text-decoration:underline}.breadcrumbs [aria-current=page]{color:var(--color-text);font-weight:700}.breadcrumbs__sep{color:var(--color-text-tertiary)}.privacy-note{display:inline-flex;align-items:center;gap:.5rem;font-size:var(--text-xs);font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--color-success);border:1px solid var(--color-success);padding:.25rem .625rem;background-color:var(--color-success-soft)}.icon-btn{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;border-radius:var(--radius-md);border:1px solid var(--color-border);background-color:var(--color-surface);color:var(--color-text-secondary);transition:background-color .15s ease}.icon-btn:hover{background-color:var(--color-surface-hover);color:var(--color-text)}.skip-link{position:absolute;left:var(--space-2);top:-100%;z-index:100;background-color:var(--color-accent);color:var(--color-accent-contrast);padding:.5rem 1rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;font-size:var(--text-sm)}.skip-link:focus{top:var(--space-1)}.kbd{font-family:var(--font-mono);font-size:var(--text-xs);border:1px solid var(--color-border-strong);border-bottom-width:2px;border-radius:var(--radius-sm);padding:.125rem .375rem;color:var(--color-text-secondary);background-color:var(--color-bg-elevated)}@media(pointer:coarse){.kbd{display:none}}.page__title{margin-block:var(--space-2) var(--space-3);max-width:100%}.section-heading{font-family:var(--font-heading);font-size:2em;font-weight:600;letter-spacing:-.1rem;line-height:1.2}}@layer utilities{.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.text-muted{color:var(--color-text-secondary)}.text-small{font-size:var(--text-sm)}.text-xs{font-size:var(--text-xs)}.mt-1{margin-top:var(--space-1)}.mt-2{margin-top:var(--space-2)}.mt-3{margin-top:var(--space-3)}.mb-1{margin-bottom:var(--space-1)}.mb-2{margin-bottom:var(--space-2)}.mb-3{margin-bottom:var(--space-3)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-1{gap:var(--space-1)}.gap-2{gap:var(--space-2)}.grid-2{display:grid;grid-template-columns:1fr;gap:var(--space-2)}@media(min-width:48rem){.grid-2{grid-template-columns:1fr 1fr}}}@font-face{font-family:Exo;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/exo-vietnamese-400-normal-UCRd5vP6.woff2) format("woff2"),url(/assets/exo-vietnamese-400-normal-yukIGQfL.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Exo;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/exo-latin-ext-400-normal-B28fqpFm.woff2) format("woff2"),url(/assets/exo-latin-ext-400-normal-CIDqNkUZ.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Exo;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/exo-latin-400-normal-D8KS7ddm.woff2) format("woff2"),url(/assets/exo-latin-400-normal-ChlmRXYZ.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Exo;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/exo-vietnamese-600-normal-CjyjwGgx.woff2) format("woff2"),url(/assets/exo-vietnamese-600-normal-Cz812BX0.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Exo;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/exo-latin-ext-600-normal-B44DbxjS.woff2) format("woff2"),url(/assets/exo-latin-ext-600-normal-D-kA2hVs.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Exo;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/exo-latin-600-normal-Bj_6olIa.woff2) format("woff2"),url(/assets/exo-latin-600-normal-B8oQE8no.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Exo;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/exo-vietnamese-700-normal-CB2O_I0i.woff2) format("woff2"),url(/assets/exo-vietnamese-700-normal-B7HIpTyp.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Exo;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/exo-latin-ext-700-normal-Bfo6Yegm.woff2) format("woff2"),url(/assets/exo-latin-ext-700-normal-CnQ3I3Hz.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Exo;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/exo-latin-700-normal-CFqZ6J3B.woff2) format("woff2"),url(/assets/exo-latin-700-normal-CT9uiwmu.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Exo;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/exo-vietnamese-800-normal-CsMaWxGq.woff2) format("woff2"),url(/assets/exo-vietnamese-800-normal-DcL_y3Xv.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Exo;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/exo-latin-ext-800-normal-DLxJswuU.woff2) format("woff2"),url(/assets/exo-latin-ext-800-normal-DC0DuBF2.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Exo;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/exo-latin-800-normal-D0Z3Gicd.woff2) format("woff2"),url(/assets/exo-latin-800-normal-Dmt55ZdK.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}.theme-toggle .theme-icon--sun{display:none}[data-theme=dark] .theme-toggle .theme-icon--sun{display:block}[data-theme=dark] .theme-toggle .theme-icon--moon{display:none}.locale-switcher{position:relative}.locale-switcher__toggle{gap:.375rem;color:var(--color-text-secondary);white-space:nowrap}.locale-switcher__name,.locale-switcher__chevron{display:none}@media(min-width:80rem){.locale-switcher__name,.locale-switcher__chevron{display:inline}}.locale-switcher__toggle:hover{color:var(--color-text)}.locale-switcher__chevron{color:var(--color-text-tertiary);transition:transform .15s ease}.locale-switcher[data-open] .locale-switcher__chevron{transform:rotate(180deg)}.locale-switcher__menu{position:absolute;top:calc(100% + .5rem);right:0;z-index:60;min-width:10rem;list-style:none;margin:0;padding:.25rem;background-color:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-md)}.locale-switcher__menu a{display:block;padding:.5rem .75rem;border-radius:var(--radius-sm);font-size:var(--text-sm);font-weight:600;color:var(--color-text-secondary);text-decoration:none}.locale-switcher__menu a:hover{color:var(--color-text);background-color:var(--color-surface-hover)}.locale-switcher__menu a[aria-current=page]{color:var(--color-text);box-shadow:inset 0 -2px 0 var(--color-accent)}@media(pointer:coarse){.locale-switcher__menu a{min-height:44px;display:flex;align-items:center}}.header{position:sticky;top:0;z-index:50;background-color:color-mix(in srgb,var(--color-bg) 90%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--color-border)}.header__inner{display:flex;align-items:center;gap:var(--space-2);flex-wrap:nowrap;height:var(--header-height)}.brand{display:inline-flex;align-items:center;gap:.5rem;font-weight:800;font-size:var(--text-lg);letter-spacing:.04em;color:var(--color-text);text-decoration:none;white-space:nowrap;margin-right:var(--space-1)}.brand:hover{color:var(--color-text)}.brand__name{font-size:var(--text-lg);font-weight:700;letter-spacing:.02em;color:var(--color-text)}.brand__mark{flex-shrink:0}.nav{display:none;overflow-x:auto}.nav__list{display:flex;gap:0;align-items:center;list-style:none;margin:0;padding:0}.nav__list a{display:inline-flex;align-items:center;padding:.375rem .5rem;font-size:var(--text-sm);font-weight:600;color:var(--color-text-secondary);text-decoration:none;white-space:nowrap;border-radius:var(--radius-md);position:relative}.nav__list a:hover{color:var(--color-text);background-color:var(--color-surface-hover)}.nav__list a[aria-current=page]{color:var(--color-text);font-weight:700;box-shadow:inset 0 -2px 0 var(--color-accent)}.header__actions{display:flex;align-items:center;gap:var(--space-1);margin-left:auto}.search-trigger{display:none;white-space:nowrap}.search-trigger__label,.search-trigger .kbd{display:none}.nav-toggle{display:inline-flex}.mobile-nav{border-top:1px solid var(--color-border);background-color:var(--color-bg-elevated);padding-block:var(--space-1)}.mobile-nav__list{display:grid;gap:.125rem;list-style:none;margin:0;padding:0}.mobile-nav__list a,.mobile-nav__search{display:flex;align-items:center;gap:.5rem;padding:.75rem .5rem;color:var(--color-text);text-decoration:none;font-weight:600;font-size:var(--text-sm);background:none;border:none;width:100%;text-align:left;cursor:pointer}.mobile-nav__search{color:var(--color-accent)}.mobile-nav__list a:hover,.mobile-nav__search:hover{background-color:var(--color-surface-hover)}@media(min-width:64rem){.nav{display:block}.search-trigger{display:inline-flex}.nav-toggle{display:none}}@media(min-width:80rem){.header__inner{max-width:none}.search-trigger__label{display:inline}}@media(min-width:90rem)and (pointer:fine){.search-trigger .kbd{display:inline}}.footer{background-color:var(--color-bg-elevated);margin-top:var(--space-6);border-top:1px solid var(--color-border);position:relative}.footer__grid{display:grid;gap:var(--space-3);padding-block:var(--space-4)}.footer__name{font-weight:800;font-size:var(--text-lg);letter-spacing:.08em;text-transform:uppercase}.footer__tagline{color:var(--color-text-secondary);font-size:var(--text-sm)}.footer__note{font-size:var(--text-xs);color:var(--color-text-tertiary);max-width:40ch}.footer__heading{display:inline-flex;align-items:center;gap:.375rem;font-weight:700;font-size:var(--text-sm);color:var(--color-text);margin-bottom:.75rem}.footer__list{list-style:none;margin:0;padding:0;display:grid;gap:.375rem;font-size:var(--text-sm)}.footer__list a{color:var(--color-text-secondary);text-decoration:none}.footer__list a:hover{color:var(--color-text);text-decoration:underline}.footer__bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:var(--space-1);padding-block:var(--space-2);border-top:1px solid var(--color-border);font-size:var(--text-xs);color:var(--color-text-tertiary)}@media(min-width:48rem){.footer__grid{grid-template-columns:2fr 1fr 1fr 1fr}}.search-overlay{position:fixed;inset:0;z-index:90;display:flex;justify-content:center;padding:4rem var(--space-2) var(--space-2);background-color:#0f172a80}.search-overlay[hidden]{display:none}.search-dialog{width:100%;max-width:40rem;max-height:min(70vh,40rem);display:flex;flex-direction:column;background-color:var(--color-surface);border:1px solid var(--color-border-strong);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);overflow:hidden}.search-form{display:flex;align-items:center;gap:var(--space-1);padding:var(--space-1);border-bottom:1px solid var(--color-border);position:relative}.search-input{flex:1;min-height:44px;border:none;background:none;color:var(--color-text);font-size:var(--text-lg);padding:0 .5rem}.search-input:focus{outline:none}.search-input::placeholder{color:var(--color-text-tertiary)}.search-close{border:none;background:none}.search-results{overflow-y:auto;padding:var(--space-1);display:grid;gap:.125rem}.search-section{padding:.5rem;font-size:var(--text-xs);font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-tertiary)}.search-empty{padding:var(--space-2);color:var(--color-text-secondary);font-size:var(--text-sm)}.search-result{display:flex;align-items:center;gap:.75rem;width:100%;min-height:44px;padding:.5rem .75rem;border:none;border-radius:var(--radius-md);background:none;color:var(--color-text);text-align:left;cursor:pointer;border:1px solid transparent}.search-result:hover{background-color:var(--color-surface-hover)}.search-result[aria-selected=true]{background-color:var(--color-surface-hover);border-color:var(--color-accent)}.search-result__name{font-weight:700;font-size:var(--text-sm)}.search-result__category{margin-left:auto;font-size:var(--text-xs);font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--color-text-tertiary);flex-shrink:0}@font-face{font-family:Noto Sans JP;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/noto-sans-jp-japanese-400-normal-Cy9Yahyj.woff2) format("woff2"),url(/assets/noto-sans-jp-japanese-400-normal-CVXqO_9z.woff) format("woff")}@font-face{font-family:Noto Sans JP;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/noto-sans-jp-japanese-600-normal-ZI3Gmaau.woff2) format("woff2"),url(/assets/noto-sans-jp-japanese-600-normal-Dwtxezk0.woff) format("woff")}@font-face{font-family:Noto Sans JP;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/noto-sans-jp-japanese-700-normal-Cy7xyTMA.woff2) format("woff2"),url(/assets/noto-sans-jp-japanese-700-normal-CLExAywd.woff) format("woff")}