:root{--paper:#FBF7F0;--paper-2:#F6EEE1;--surface:#FFFFFF;--tint:#FBE2C6;--tint-2:#FFF3E3;--ink:#211A14;--ink-strong:#2B2018;--muted:#5A4636;--line:#E7D4BC;--line-soft:#F0E2CD;--brand:#E0701A;--brand-deep:#A8480A;--brand-deeper:#8A3B07;--label:#B5470A;--footer-bg:#1E1814;--footer-2:#2A211A;--footer-text:#EFE6DA;--footer-muted:#C9BCAC;--footer-link:#F6C79A;--focus:#A8480A;--maxw:1120px;--radius:16px;--radius-sm:10px;--radius-lg:24px;--shadow-sm:0 1px 2px rgba(54,33,14,0.06),0 2px 6px rgba(54,33,14,0.05);--shadow-md:0 8px 24px rgba(54,33,14,0.10);--shadow-lg:0 18px 50px rgba(54,33,14,0.14);--gothic:"Hiragino Kaku Gothic ProN","Hiragino Sans","BIZ UDPGothic","Yu Gothic","Meiryo","Noto Sans JP",system-ui,-apple-system,"Segoe UI",sans-serif;--mincho:"Hiragino Mincho ProN","Yu Mincho","YuMincho","BIZ UDPMincho","Noto Serif JP",serif;--step--1:clamp(0.83rem,0.80rem + 0.15vw,0.92rem);--step-0:clamp(1.0rem,0.97rem + 0.18vw,1.0625rem);--step-1:clamp(1.18rem,1.10rem + 0.40vw,1.35rem);--step-2:clamp(1.40rem,1.25rem + 0.75vw,1.80rem);--step-3:clamp(1.70rem,1.45rem + 1.25vw,2.35rem);--step-4:clamp(2.05rem,1.65rem + 2.0vw,3.10rem)}*,*::before,*::after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}body{margin:0;font-family:var(--gothic);font-size:var(--step-0);line-height:1.85;color:var(--ink);background-color:var(--paper);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;font-feature-settings:"palt" 1;overflow-wrap:break-word;word-break:normal;line-break:strict}img,svg,video{max-width:100%;height:auto}img,video{display:block}a{color:var(--brand-deep);text-decoration:underline;text-underline-offset:0.18em;text-decoration-thickness:0.06em}a:hover{color:var(--brand-deeper);text-decoration-thickness:0.12em}h1,h2,h3,h4{color:var(--ink-strong);line-height:1.4;font-weight:700}h1{font-family:var(--mincho);font-size:var(--step-4);letter-spacing:0.01em}h2{font-family:var(--mincho);font-size:var(--step-3)}h3{font-size:var(--step-1)}h4{font-size:var(--step-0)}p{margin:0 0 1.1em}ul,ol{margin:0 0 1.2em;padding-left:1.4em}li{margin:0.4em 0}strong{font-weight:700;color:var(--ink-strong)}:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:4px}.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(1.1rem,4vw,2.2rem)}.container-narrow{max-width:760px}.skip-link{position:absolute;left:1rem;top:-120px;z-index:200;background:var(--brand-deep);color:#fff;padding:0.7rem 1.1rem;border-radius:var(--radius-sm);text-decoration:none;font-weight:700;transition:top 0.2s ease}.skip-link:focus{top:1rem;color:#fff}.site-header{position:sticky;top:0;z-index:100;background:rgba(255,253,250,0.92);backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--line-soft)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:72px;padding-block:0.6rem}.brand{display:inline-flex;align-items:center;gap:0.7rem;text-decoration:none;color:var(--ink-strong)}.brand:hover{color:var(--ink-strong)}.brand-mark{width:42px;height:42px;flex:none}.brand-text{display:flex;flex-direction:column;line-height:1.1}.brand-name{font-family:var(--mincho);font-weight:700;font-size:1.28rem;letter-spacing:0.01em}.brand-tag{font-size:0.66rem;letter-spacing:0.18em;text-transform:uppercase;color:var(--label);font-weight:700}.nav-toggle{position:relative}.nav-toggle>summary{list-style:none;display:inline-flex;align-items:center;gap:0.5rem;cursor:pointer;padding:0.6rem 0.8rem;min-height:48px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);font-weight:700;color:var(--ink-strong);user-select:none}.nav-toggle>summary::-webkit-details-marker{display:none}.nav-toggle>summary .bars{display:inline-block;width:20px;height:14px;position:relative}.nav-toggle>summary .bars::before,.nav-toggle>summary .bars::after,.nav-toggle>summary .bars span{content:"";position:absolute;left:0;right:0;height:2.4px;background:var(--ink-strong);border-radius:2px}.nav-toggle>summary .bars::before{top:0}.nav-toggle>summary .bars span{top:6px}.nav-toggle>summary .bars::after{bottom:0}.label-open{display:inline}.label-close{display:none}.nav-toggle[open]>summary .label-open{display:none}.nav-toggle[open]>summary .label-close{display:inline}.main-nav{position:absolute;right:0;left:auto;top:calc(100% + 0.6rem);z-index:110;width:16rem;max-width:calc(100vw - 1.6rem);max-height:min(70vh,24rem);overflow-y:auto;overscroll-behavior:contain;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-md);padding:0.6rem}.main-nav ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:0.15rem}.main-nav a{display:block;padding:0.75rem 0.85rem;border-radius:var(--radius-sm);text-decoration:none;color:var(--ink-strong);font-weight:600;min-height:48px;line-height:1.4}.main-nav a:hover{background:var(--tint-2);color:var(--brand-deeper)}.main-nav a[aria-current="page"]{color:var(--brand-deep);background:var(--tint-2)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;font-family:var(--gothic);font-weight:700;font-size:var(--step-0);line-height:1.2;padding:0.85rem 1.5rem;min-height:48px;border-radius:999px;text-decoration:none;cursor:pointer;border:2px solid transparent;transition:transform 0.15s ease,background-color 0.15s ease,box-shadow 0.15s ease}.btn-primary{background:var(--brand-deep);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover{background:var(--brand-deeper);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn-outline{background:transparent;color:var(--brand-deep);border-color:var(--brand-deep)}.btn-outline:hover{background:var(--tint-2);color:var(--brand-deeper);border-color:var(--brand-deeper)}.btn .arrow{font-size:1.05em;line-height:1}main{display:block}.section{padding-block:clamp(3rem,7vw,5.5rem)}.section-tint{background:linear-gradient(180deg,var(--paper) 0%,var(--paper-2) 100%)}.eyebrow{display:inline-block;font-size:0.74rem;letter-spacing:0.22em;text-transform:uppercase;font-weight:800;color:var(--label);margin:0 0 0.85rem}.hero{padding-top:clamp(2.4rem,5vw,4rem);padding-bottom:clamp(2.6rem,6vw,4.5rem)}.hero-grid{display:grid;grid-template-columns:1fr;gap:clamp(1.8rem,5vw,3.5rem);align-items:center}.hero-title{margin:0 0 1.1rem;max-width:16ch}.hero-lead{font-size:var(--step-1);color:var(--muted);margin:0 0 1.8rem;max-width:52ch;line-height:1.8}.hero-actions{display:flex;flex-wrap:wrap;gap:0.9rem}.hero-art{justify-self:center;width:100%;max-width:520px}.hero-art img{width:100%;height:auto}.values-grid{display:grid;grid-template-columns:1fr;gap:1.1rem;margin-top:2.2rem}.value-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem 1.5rem 1.6rem;box-shadow:var(--shadow-sm)}.value-ico{width:48px;height:48px;display:grid;place-items:center;border-radius:12px;background:var(--tint-2);margin-bottom:1rem}.value-ico svg{width:26px;height:26px}.value-card h3{margin:0 0 0.5rem}.value-card p{margin:0;color:var(--muted);font-size:var(--step--1);line-height:1.75}.section-head{margin-bottom:2.2rem;max-width:64ch}.section-head h2{margin:0 0 0.6rem}.section-head p{margin:0;color:var(--muted)}.card-grid{display:grid;grid-template-columns:1fr;gap:1.5rem}.article-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform 0.18s ease,box-shadow 0.18s ease,border-color 0.18s ease}.article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--line)}.article-card .thumb{display:block;aspect-ratio:8 / 5;background:var(--tint-2)}.article-card .thumb img{width:100%;height:100%;object-fit:cover}.article-card .card-body{display:flex;flex-direction:column;flex:1;padding:1.4rem 1.4rem 1.5rem}.card-cat{font-size:0.7rem;letter-spacing:0.14em;text-transform:uppercase;font-weight:800;color:var(--label);margin-bottom:0.55rem}.article-card h3{font-family:var(--mincho);font-size:var(--step-1);margin:0 0 0.6rem;line-height:1.45}.article-card h3 a{color:var(--ink-strong);text-decoration:none}.article-card h3 a:hover{color:var(--brand-deep)}.article-card .excerpt{color:var(--muted);font-size:var(--step--1);margin:0 0 1.2rem;line-height:1.7}.card-meta{margin-top:auto;display:flex;justify-content:space-between;align-items:center;gap:0.8rem;padding-top:1rem;border-top:1px solid var(--line-soft);font-size:0.8rem;color:var(--muted)}.card-meta time{color:var(--muted)}.cta-band{background:linear-gradient(135deg,#FDB061 0%,#E0701A 55%,#B5470A 100%);border-radius:var(--radius-lg);padding:clamp(2rem,5vw,3.2rem);text-align:center;color:#fff;box-shadow:var(--shadow-md)}.cta-band h2{color:#fff;margin:0 0 0.8rem}.cta-band p{color:rgba(255,255,255,0.95);margin:0 auto 1.7rem;max-width:52ch}.cta-band .btn-primary{background:#fff;color:var(--brand-deeper)}.cta-band .btn-primary:hover{background:#FFF3E3;color:var(--brand-deeper)}.page-hero{padding-top:clamp(2.4rem,5vw,3.6rem);padding-bottom:clamp(1.6rem,3vw,2.4rem)}.page-hero .eyebrow{margin-bottom:0.7rem}.page-hero h1{margin:0 0 0.9rem;max-width:22ch}.page-hero .lead{font-size:var(--step-1);color:var(--muted);max-width:60ch;margin:0;line-height:1.8}.breadcrumb{padding-top:1.4rem;font-size:var(--step--1)}.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:0.4rem 0.55rem;margin:0;padding:0;color:var(--muted)}.breadcrumb li{display:inline-flex;align-items:center;gap:0.55rem;margin:0}.breadcrumb li + li::before{content:"/";color:var(--line)}.breadcrumb a{color:var(--muted);text-decoration:none}.breadcrumb a:hover{color:var(--brand-deep);text-decoration:underline}.breadcrumb [aria-current="page"]{color:var(--ink-strong);font-weight:600}.article{padding-bottom:clamp(3rem,6vw,5rem)}.article-head{padding-top:1.4rem;padding-bottom:1.6rem}.article-head h1{margin:0.7rem 0 1rem}.article-meta{display:flex;flex-wrap:wrap;gap:0.6rem 1.2rem;color:var(--muted);font-size:var(--step--1);align-items:center}.article-meta .by{font-weight:600;color:var(--ink-strong)}.article-figure{margin:0 0 2rem;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--tint-2)}.article-figure img{width:100%;height:auto;display:block}.prose{max-width:760px}.prose>h2{margin:2.4rem 0 0.9rem;padding-top:0.4rem}.prose>h3{margin:1.8rem 0 0.7rem}.prose p{margin:0 0 1.2em}.prose ul,.prose ol{margin:0 0 1.3em;padding-left:1.5em}.prose li{margin:0.5em 0}.prose li::marker{color:var(--brand-deep)}.prose a{font-weight:600}.prose hr{border:none;border-top:1px solid var(--line);margin:2.4rem 0}.lead-answer{font-size:var(--step-1);line-height:1.8;color:var(--ink);background:var(--tint-2);border-left:4px solid var(--brand);border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:1.2rem 1.4rem;margin:0 0 2rem}.tldr{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.2rem 1.4rem;margin:1.8rem 0;box-shadow:var(--shadow-sm)}.tldr .tldr-label{display:inline-block;font-size:0.72rem;letter-spacing:0.16em;text-transform:uppercase;font-weight:800;color:var(--label);margin-bottom:0.5rem}.tldr p{margin:0;color:var(--ink)}.callout{border-radius:var(--radius);padding:1.2rem 1.4rem;margin:1.8rem 0;border:1px solid var(--line);background:var(--surface)}.callout .callout-title{display:flex;align-items:center;gap:0.55rem;font-weight:800;color:var(--ink-strong);margin:0 0 0.5rem;font-size:var(--step-0)}.callout .callout-title svg{width:22px;height:22px;flex:none}.callout p:last-child{margin-bottom:0}.callout-note{background:var(--tint-2);border-color:#F0C79A}.callout-note .callout-title{color:var(--brand-deeper)}.callout-info{background:#F4F1EA;border-color:var(--line)}.table-wrap{overflow-x:auto;margin:1.8rem 0;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}table{border-collapse:collapse;width:100%;min-width:460px;background:var(--surface);font-size:var(--step--1)}caption{caption-side:top;text-align:left;font-weight:700;color:var(--ink-strong);padding:0.9rem 1rem 0.6rem}th,td{text-align:left;padding:0.85rem 1rem;border-bottom:1px solid var(--line-soft);vertical-align:top;line-height:1.65}thead th{background:var(--tint-2);color:var(--ink-strong);font-weight:700;border-bottom:1px solid var(--line)}tbody tr:last-child td{border-bottom:none}tbody tr:nth-child(even) td{background:#FFFBF4}th[scope="row"]{font-weight:700;color:var(--ink-strong)}.faq{margin:1.6rem 0}.faq h2{margin-bottom:1rem}details.qa{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);margin:0 0 0.8rem;overflow:hidden}details.qa>summary{list-style:none;cursor:pointer;padding:1rem 1.2rem;font-weight:700;color:var(--ink-strong);display:flex;justify-content:space-between;align-items:center;gap:1rem;min-height:48px;line-height:1.55}details.qa>summary::-webkit-details-marker{display:none}details.qa>summary .chev{flex:none;width:18px;height:18px;position:relative;transition:transform 0.2s ease}details.qa>summary .chev::before,details.qa>summary .chev::after{content:"";position:absolute;top:8px;width:11px;height:2.4px;background:var(--brand-deep);border-radius:2px}details.qa>summary .chev::before{left:0;transform:rotate(45deg)}details.qa>summary .chev::after{right:0;transform:rotate(-45deg)}details.qa[open]>summary .chev{transform:rotate(180deg)}details.qa .qa-body{padding:0 1.2rem 1.2rem;color:var(--ink)}details.qa .qa-body p:last-child{margin-bottom:0}.toc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.2rem 1.4rem;margin:0 0 2rem;box-shadow:var(--shadow-sm)}.toc .toc-label{font-size:0.72rem;letter-spacing:0.16em;text-transform:uppercase;font-weight:800;color:var(--label);margin-bottom:0.6rem}.toc ol{margin:0;padding-left:1.3rem}.toc li{margin:0.35rem 0}.toc a{color:var(--ink);text-decoration:none;font-weight:600}.toc a:hover{color:var(--brand-deep);text-decoration:underline}.crosslinks{margin:2.4rem 0 0;padding:1.4rem 1.5rem;background:var(--paper-2);border:1px solid var(--line-soft);border-radius:var(--radius)}.crosslinks .cl-label{font-size:0.72rem;letter-spacing:0.16em;text-transform:uppercase;font-weight:800;color:var(--label);margin-bottom:0.7rem}.crosslinks ul{list-style:none;margin:0;padding:0;display:grid;gap:0.5rem}.crosslinks a{font-weight:600}.contact-grid{display:grid;grid-template-columns:1fr;gap:1.2rem;margin-top:2rem}.contact-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;box-shadow:var(--shadow-sm)}.contact-card .value-ico{margin-bottom:0.9rem}.contact-card h3{margin:0 0 0.4rem}.contact-card p{margin:0 0 0.3rem;color:var(--muted);font-size:var(--step--1)}.contact-card a{font-weight:700}.legal{padding-top:1rem;padding-bottom:clamp(3rem,6vw,5rem)}.legal .prose h2{font-size:var(--step-2)}.legal .updated{color:var(--muted);font-size:var(--step--1);margin-bottom:2rem}.site-footer{background:var(--footer-bg);color:var(--footer-text);padding-block:clamp(3rem,6vw,4.5rem) 2rem;margin-top:2rem}.footer-top{display:grid;grid-template-columns:1fr;gap:2.4rem}.footer-brand{max-width:34ch}.footer-brand .brand-name{color:var(--footer-text)}.footer-brand .brand-tag{color:var(--footer-link)}.footer-blurb{color:var(--footer-muted);font-size:var(--step--1);line-height:1.8;margin:1.1rem 0 1.3rem}.footer-cols{display:grid;grid-template-columns:1fr 1fr;gap:2rem}.footer-col h4{color:var(--footer-text);font-family:var(--gothic);font-size:0.78rem;letter-spacing:0.14em;text-transform:uppercase;margin:0 0 1rem}.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:0.65rem}.footer-col a{color:var(--footer-muted);text-decoration:none;font-size:var(--step--1)}.footer-col a:hover{color:var(--footer-link);text-decoration:underline}.social{display:flex;gap:0.7rem;margin-top:0.2rem}.social a{width:44px;height:44px;display:grid;place-items:center;border:1px solid rgba(246,199,154,0.32);border-radius:50%;color:var(--footer-link);transition:background-color 0.15s ease,border-color 0.15s ease}.social a:hover{background:rgba(246,199,154,0.14);border-color:var(--footer-link)}.social svg{width:19px;height:19px}.footer-bottom{margin-top:2.6rem;padding-top:1.5rem;border-top:1px solid rgba(239,230,218,0.14);display:flex;flex-wrap:wrap;gap:0.6rem 1.4rem;align-items:center;justify-content:space-between;color:var(--footer-muted);font-size:var(--step--1)}.footer-bottom nav{display:flex;flex-wrap:wrap;gap:0.6rem 1.2rem}.footer-bottom a{color:var(--footer-muted);text-decoration:none}.footer-bottom a:hover{color:var(--footer-link);text-decoration:underline}.error-page{text-align:center;padding-block:clamp(4rem,12vw,8rem)}.error-code{font-family:var(--mincho);font-size:clamp(4rem,16vw,8rem);line-height:1;color:var(--brand-deep);margin:0}.error-page h1{margin:0.6rem 0 1rem;font-size:var(--step-2)}.error-page p{color:var(--muted);max-width:46ch;margin:0 auto 2rem}.reveal{opacity:0;transform:translateY(16px);animation:reveal 0.6s ease forwards}.reveal-1{animation-delay:0.05s}.reveal-2{animation-delay:0.14s}.reveal-3{animation-delay:0.23s}.reveal-4{animation-delay:0.32s}@keyframes reveal{to{opacity:1;transform:none}}.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}@media (min-width:48em){.values-grid{grid-template-columns:repeat(2,1fr)}.card-grid{grid-template-columns:repeat(2,1fr)}.contact-grid{grid-template-columns:repeat(2,1fr)}.footer-top{grid-template-columns:1.4fr 1fr}.footer-cols{grid-template-columns:repeat(3,1fr)}}@media (min-width:60em){html{scroll-padding-top:96px}.nav-toggle>summary{display:none}.nav-toggle::details-content{content-visibility:visible}.main-nav{position:static;width:auto;max-width:none;max-height:none;overflow:visible;background:none;border:none;box-shadow:none;padding:0;display:block}.main-nav ul{flex-direction:row;align-items:center;gap:0.3rem}.main-nav a{padding:0.55rem 0.9rem;min-height:40px}.hero-grid{grid-template-columns:1.05fr 0.95fr}.values-grid{grid-template-columns:repeat(4,1fr)}.card-grid{grid-template-columns:repeat(3,1fr)}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;animation:none}.article-card,.btn,details.qa>summary .chev{transition:none}.article-card:hover,.btn-primary:hover{transform:none}}