:root{--color-bg: #ffffff;--color-bg-cream: #f6f2ea;--color-surface: #fbf9f4;--color-leather: #8a5a3b;--color-leather-deep: #5c3a24;--color-text: #2b2620;--color-text-muted: #6f675c;--color-line: #e6ddcf;--color-accent: var(--color-leather-deep);--color-cta-primary-bg: var(--color-leather-deep);--color-cta-primary-text: #ffffff;--font-sans: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", "Yu Gothic", Meiryo, sans-serif;--font-serif: "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", serif;--font-brand: "Cormorant Garamond", Georgia, var(--font-serif);--fs-xs: .78rem;--fs-sm: .875rem;--fs-base: 1rem;--fs-lg: 1.18rem;--fs-xl: 1.5rem;--fs-2xl: 2rem;--fs-3xl: 2.6rem;--lh-tight: 1.3;--lh-base: 1.8;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-6: 1.5rem;--space-8: 2rem;--space-12: 3rem;--space-16: 4rem;--space-24: 6rem;--container-max: 1100px;--container-narrow: 720px;--container-pad: 1.25rem;--radius-sm: 4px;--radius-md: 8px;--shadow-soft: 0 1px 2px rgba(43, 38, 32, .04), 0 8px 24px rgba(43, 38, 32, .06);--ease: cubic-bezier(.4, 0, .2, 1);--night-0: #0f121a;--night-1: #151a26;--night-2: #10131c;--night-3: #171922;--night-4: #1a1521;--night-5: #14181f;--night-6: #1b1a20;--night-text: #dedbd2;--night-text-2: #c6c3ba;--night-text-strong: #e7e4da;--night-sub: #8e94a3;--night-light: #d9c79a;--night-line: rgba(222, 219, 210, .14);--night-line-strong: rgba(222, 219, 210, .4);--night-glow: rgba(217, 199, 154, .65);--night-photo-bg: #0b0e15;--night-read: #1c212c;--spine-x: max(24px, calc(50vw - 430px) )}:root[data-theme=night]{--font-serif: var(--font-sans);--font-brand: var(--font-sans);--color-bg: var(--night-1);--color-bg-cream: var(--night-3);--color-surface: var(--night-2);--color-leather: var(--night-light);--color-leather-deep: var(--night-light);--color-text: var(--night-text);--color-text-muted: var(--night-sub);--color-line: var(--night-line);--color-accent: var(--night-light);--color-cta-primary-bg: transparent;--color-cta-primary-text: var(--night-text);--shadow-soft: none}:root[data-theme=night][data-night-tone=goods]{--color-bg: var(--night-3);--color-bg-cream: var(--night-2);--color-surface: var(--night-2)}:root[data-theme=night][data-night-tone=consult]{--color-bg: var(--night-6);--color-bg-cream: var(--night-4);--color-surface: var(--night-5)}:root[data-theme=night][data-night-tone=journal]{--color-bg: var(--night-read);--color-bg-cream: var(--night-5);--color-surface: var(--night-5)}:root[data-theme=night][data-night-tone=doc]{--color-bg: var(--night-5);--color-bg-cream: var(--night-2);--color-surface: var(--night-2)}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;font-family:var(--font-sans);font-size:var(--fs-base);line-height:var(--lh-base);color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}img,picture,svg{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--color-accent);outline-offset:4px;border-radius:1px}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}h1,h2,h3,h4{font-family:var(--font-serif);line-height:var(--lh-tight);font-weight:600;margin:0 0 var(--space-4)}h1{font-size:var(--fs-3xl)}h2{font-size:var(--fs-2xl)}h3{font-size:var(--fs-xl)}p{margin:0 0 var(--space-4)}.container{width:100%;max-width:var(--container-max);margin-inline:auto;padding-inline:var(--container-pad)}.container--narrow{max-width:var(--container-narrow)}.section{padding-block:var(--space-16)}.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}.btn{display:inline-block;font-family:var(--font-sans);font-size:var(--fs-base);line-height:1.2;padding:var(--space-3) var(--space-8);border-radius:var(--radius-md);border:1px solid transparent;cursor:pointer;transition:opacity .2s var(--ease)}.btn:hover{text-decoration:none;opacity:.88}.btn--primary{background:var(--color-cta-primary-bg);color:var(--color-cta-primary-text)}.btn--subtle{background:transparent;color:var(--color-text-muted);border-color:var(--color-line);font-size:var(--fs-sm);padding:var(--space-2) var(--space-4)}[data-theme=night] body{position:relative;line-height:2.1;letter-spacing:.02em}@media(max-width:760px){[data-night-spine] .container{padding-left:46px}}.col-night{width:100%;max-width:760px;margin-inline:auto;padding-inline:24px}.col-night--wide{max-width:960px;--spine-safe-width: 960px}.col-night--series{max-width:1040px;--spine-safe-width: 1040px}@media(min-width:761px){.spine-safe-wide,[data-night-spine] main .col-night,[data-night-spine] main .container{--spine-safe-gap: 28px;width:auto;margin-inline:max(calc((100% - var(--spine-safe-width, 960px)) / 2),calc(var(--spine-x) + var(--spine-safe-gap) - var(--spine-safe-pad, 24px))) auto}[data-night-spine] main .container{--spine-safe-width: var(--container-max);--spine-safe-pad: var(--container-pad)}[data-night-spine] main .container--narrow{--spine-safe-width: var(--container-narrow)}[data-night-spine] main .col-night{--spine-safe-width: 760px}[data-night-spine] main .col-night--wide{--spine-safe-width: 960px}[data-night-spine] main .col-night--series{--spine-safe-width: 1040px}}@media(max-width:760px){.col-night,.col-night--wide,.col-night--series{padding-left:46px}}[data-theme=night] h1,[data-theme=night] h2,[data-theme=night] h3,[data-theme=night] h4{font-family:var(--font-sans)}[data-theme=night] h1{font-weight:300;font-size:clamp(1.5rem,3.4vw,2.25rem);letter-spacing:.09em;line-height:1.9;color:var(--night-text-strong)}[data-theme=night] h2{font-weight:500;font-size:.75rem;letter-spacing:.4em;color:var(--night-sub)}[data-theme=night] h3{font-weight:500;font-size:1rem;letter-spacing:.12em}[data-theme=night] .btn{border-radius:0;letter-spacing:.16em;font-size:var(--fs-sm);transition:border-color .3s var(--ease),background .3s var(--ease)}[data-theme=night] .btn:hover{opacity:1}[data-theme=night] .btn--primary{background:transparent;color:var(--night-text);border-color:var(--night-line-strong)}[data-theme=night] .btn--primary:hover{border-color:var(--night-light);background:#d9c79a0f}[data-theme=night] .btn--subtle:hover{border-color:var(--night-light)}.night-copy{font-size:clamp(19px,2.3vw,25px);font-weight:300;letter-spacing:.08em;line-height:2.1;color:var(--night-text-strong);margin:0}.night-body{font-size:14.5px;color:var(--night-text-2);max-width:36em;margin:0}.night-body+.night-body{margin-top:12px}.night-note{font-size:11.5px;color:var(--night-sub);letter-spacing:.04em;margin:0}.golink{display:inline-block;font-size:.8125rem;letter-spacing:.12em;color:var(--night-light);border-bottom:1px solid rgba(217,199,154,.35);padding-bottom:2px;transition:border-color .3s var(--ease)}.golink:hover{text-decoration:none;border-bottom-color:var(--night-light)}