@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-border-style:solid;--tw-leading:initial;--tw-font-weight:initial;--tw-tracking:initial;--tw-outline-style:solid;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial;--tw-backdrop-blur:initial;--tw-backdrop-brightness:initial;--tw-backdrop-contrast:initial;--tw-backdrop-grayscale:initial;--tw-backdrop-hue-rotate:initial;--tw-backdrop-invert:initial;--tw-backdrop-opacity:initial;--tw-backdrop-saturate:initial;--tw-backdrop-sepia:initial;--tw-ease:initial}}}@layer theme{:root,:host{--font-sans:var(--font-jp);--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--color-white:#fff;--spacing:.25rem;--text-xs:.75rem;--text-xs--line-height:calc(1 / .75);--text-lg:1.125rem;--text-lg--line-height:calc(1.75 / 1.125);--font-weight-bold:700;--tracking-wide:.025em;--leading-relaxed:1.625;--radius-lg:.5rem;--ease-in-out:cubic-bezier(.4, 0, .2, 1);--default-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4, 0, .2, 1);--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono);--color-ink:#000;--color-ink-60:#1a1a1a99;--color-paper-warm:#fafaf4;--color-border:#1a1a1a24;--color-border-faint:#1a1a1a14;--color-accent-mint:#3fd8b5;--color-accent-peach-bg:#f4b99f;--color-rainbow-1:#f8d54f;--color-rainbow-2:#f6a24f;--color-rainbow-3:#e87865;--color-rainbow-4:#c78ac4;--color-rainbow-5:#79c8cd;--gradient-page:linear-gradient(90deg, #fff 0%, #fff6d8 25%, #fde3c7 50%, #d6edde 75%, #cbe9c8 100%);--font-jp:"Zen Kaku Gothic New", "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", system-ui, sans-serif;--font-en:"Miranda Sans", system-ui, sans-serif;--container-max:1440px;--container-inner:1360px}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab,red,red)){::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}html{scroll-behavior:smooth;font-feature-settings:"palt" 1;overscroll-behavior-y:none;background-color:#0000}body{color:#1a1a1a;font-family:var(--font-jp);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#0000}@media(prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}}@layer components{.bracket-label{font-family:var(--font-jp);letter-spacing:.18em;color:var(--color-ink);align-items:center;gap:.75rem;font-size:.75rem;display:inline-flex}.bracket-label:before,.bracket-label:after{content:"";border:1px solid var(--color-ink);width:.5rem;height:1rem}.bracket-label:before{border-right:none}.bracket-label:after{border-left:none}.sticker-mint{background:var(--color-accent-mint);color:var(--color-ink);font-family:var(--font-jp);letter-spacing:.05em;padding:.45rem 1rem;font-size:1.5rem;font-weight:700;line-height:1.5;display:inline-block}.sticker-peach{background:var(--color-accent-peach-bg);color:var(--color-ink);font-family:var(--font-jp);letter-spacing:.05em;padding:.45rem 1rem;font-size:1.5rem;font-weight:700;line-height:1.5;display:inline-block}.page-gradient{background:var(--gradient-page)}.rainbow-stripe{background:linear-gradient(90deg,var(--color-rainbow-1) 0%,var(--color-rainbow-2) 25%,var(--color-rainbow-3) 50%,var(--color-rainbow-4) 75%,var(--color-rainbow-5) 100%);height:6px}}@layer utilities{.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.static{position:static}.sticky{position:sticky}.start{inset-inline-start:var(--spacing)}.block{display:block}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline{display:inline}.inline-block{display:inline-block}.inline-flex{display:inline-flex}.flex-shrink{flex-shrink:1}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.resize{resize:both}.flex-wrap{flex-wrap:wrap}.rounded{border-radius:.25rem}.border{border-style:var(--tw-border-style);border-width:1px}.bg-\[var\(--color-accent-mint\)\]{background-color:var(--color-accent-mint)}.bg-\[var\(--color-accent-peach-bg\)\]{background-color:var(--color-accent-peach-bg)}.text-xs{font-size:var(--text-xs);line-height:var(--tw-leading,var(--text-xs--line-height))}.text-\[1\.125rem\]{font-size:1.125rem}.text-\[10px\]{font-size:10px}.leading-\[1\.6\]{--tw-leading:1.6;line-height:1.6}.leading-relaxed{--tw-leading:var(--leading-relaxed);line-height:var(--leading-relaxed)}.font-bold{--tw-font-weight:var(--font-weight-bold);font-weight:var(--font-weight-bold)}.tracking-\[0\.18em\]{--tw-tracking:.18em;letter-spacing:.18em}.tracking-wide{--tw-tracking:var(--tracking-wide);letter-spacing:var(--tracking-wide)}.break-all{word-break:break-all}.text-\[var\(--color-ink\)\]{color:var(--color-ink)}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.blur{--tw-blur:blur(8px);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.backdrop-filter{-webkit-backdrop-filter:var(--tw-backdrop-blur,) var(--tw-backdrop-brightness,) var(--tw-backdrop-contrast,) var(--tw-backdrop-grayscale,) var(--tw-backdrop-hue-rotate,) var(--tw-backdrop-invert,) var(--tw-backdrop-opacity,) var(--tw-backdrop-saturate,) var(--tw-backdrop-sepia,);backdrop-filter:var(--tw-backdrop-blur,) var(--tw-backdrop-brightness,) var(--tw-backdrop-contrast,) var(--tw-backdrop-grayscale,) var(--tw-backdrop-hue-rotate,) var(--tw-backdrop-invert,) var(--tw-backdrop-opacity,) var(--tw-backdrop-saturate,) var(--tw-backdrop-sepia,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.ease-in-out{--tw-ease:var(--ease-in-out);transition-timing-function:var(--ease-in-out)}.focus\:not-sr-only:focus{clip-path:none;white-space:normal;width:auto;height:auto;margin:0;padding:0;position:static;overflow:visible}.focus\:fixed:focus{position:fixed}.focus\:top-4:focus{top:calc(var(--spacing) * 4)}.focus\:left-4:focus{left:calc(var(--spacing) * 4)}.focus\:z-\[100\]:focus{z-index:100}.focus\:rounded-lg:focus{border-radius:var(--radius-lg)}.focus\:bg-\[color\:var\(--color-brand-primary\)\]:focus{background-color:var(--color-brand-primary)}.focus\:px-4:focus{padding-inline:calc(var(--spacing) * 4)}.focus\:py-2:focus{padding-block:calc(var(--spacing) * 2)}.focus\:text-white:focus{color:var(--color-white)}.focus\:outline-none:focus{--tw-outline-style:none;outline-style:none}@media(min-width:48rem){.md\:text-lg{font-size:var(--text-lg);line-height:var(--tw-leading,var(--text-lg--line-height))}.md\:text-\[24px\]{font-size:24px}}}:root{--bpo-ink:#19323d;--bpo-muted:#617076;--bpo-paper:#fffdf8;--bpo-cream:#f6f2e7;--bpo-cream-deep:#f3eee2;--bpo-warm:#f7f6f0;--bpo-mint:#edf6f2;--bpo-yellow:#f4cf39;--bpo-red:#ee6c62;--bpo-blue:#55a7d6;--bpo-green:#45a36e;--bpo-line:#dcded7;--bpo-pad-x:clamp(22px, 8vw, 128px);--bpo-pad-y:115px}body.bpo-page{background-color:var(--bpo-paper);color:var(--bpo-ink);--bpo-header-h:100px;font-family:Noto Sans JP,Hiragino Kaku Gothic ProN,Yu Gothic,system-ui,sans-serif}body.bpo-page main{background:var(--bpo-paper)}body.bpo-page [id]{scroll-margin-top:var(--bpo-header-h)}@media(max-width:1000px){body.bpo-page{--bpo-header-h:72px}}@media(max-width:700px){body.bpo-page{padding-bottom:calc(64px + env(safe-area-inset-bottom,0px))}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}main{position:relative;z-index:0;background:#fff}main>.hero{background:transparent}.floating-caption{position:fixed;left:60px;bottom:24px;z-index:40;display:block;pointer-events:none;transition:opacity .2s,visibility .2s}.floating-caption img{display:block;width:305px;height:auto}.floating-line-button{position:fixed;right:60px;bottom:24px;z-index:40;width:80px;height:80px;border-radius:50%;background:#fff;color:var(--color-ink);display:flex;flex-direction:column;align-items:center;justify-content:center;text-decoration:none;font-family:var(--font-jp);font-size:.625rem;gap:.25rem;box-shadow:0 2px 8px #0000001f;transition:transform .2s,opacity .2s,visibility .2s}.floating-line-button:hover{transform:scale(1.05)}body.floating-hidden .floating-caption,body.floating-hidden .floating-line-button{opacity:0;visibility:hidden}.floating-line-icon{width:28px;height:auto;display:block}.floating-line-text{text-align:center;line-height:1.4}@media(max-width:768px){.floating-caption{left:36px}.floating-caption img{width:152px}.floating-line-button{right:36px;width:64px;height:64px}}