:root{--content-max: 720px;--wide-max: 1140px;--color-primary: #0F5751;--color-primary-dark: #0B413C;--color-primary-deep: #072E2A;--color-primary-soft: #E3EEEC;--color-accent: #E07A3C;--color-accent-dark: #C9612A;--color-accent-soft: #FBEADD;--color-text: #2A2522;--color-text-soft: #5A534D;--color-text-mute: #8A837B;--color-link: #0F5751;--color-bg: #FAF7F2;--color-bg-card: #FFFFFF;--color-bg-sub: #F2EEE6;--color-bg-tint: #ECF3F1;--color-border: #E6DFD3;--color-border-soft: #EFEAE0;--highlight: linear-gradient(transparent 60%, rgba(249,200,80,.5) 60%);--font-sans: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;--font-serif: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;--font-num: "Cormorant Garamond", "Noto Serif JP", serif;--shadow-card: 0 1px 2px rgba(7,46,42,.04), 0 10px 30px rgba(7,46,42,.06);--shadow-card-hover: 0 4px 10px rgba(7,46,42,.07), 0 22px 50px rgba(7,46,42,.13);--shadow-float: 0 18px 48px rgba(7,46,42,.16);--radius: 18px;--radius-lg: 22px;--ease: .25s cubic-bezier(.4,0,.2,1)}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;font-family:var(--font-sans);line-height:1.85;letter-spacing:.01em;color:var(--color-text);background:var(--color-bg);font-feature-settings:"palt";-webkit-font-smoothing:antialiased}a{color:var(--color-link);text-decoration:none;transition:color var(--ease)}a:hover{color:var(--color-accent)}img{max-width:100%;height:auto}main{max-width:var(--content-max);margin:0 auto;padding:3.5rem 1.25rem 4rem}main.is-wide{max-width:var(--wide-max)}.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--color-border)}.site-header__inner{max-width:var(--wide-max);margin:0 auto;padding:.85rem 1.5rem;display:flex;justify-content:space-between;align-items:center;gap:1rem}.brand{display:flex;align-items:center;gap:.7rem;color:inherit}.brand:hover{color:inherit}.brand__icon{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:linear-gradient(155deg,var(--color-primary) 0%,var(--color-primary-dark) 100%);color:#fff;flex-shrink:0}.brand__icon svg{width:24px;height:24px}.brand__text{display:flex;flex-direction:column;line-height:1.15}.brand__name{font-family:var(--font-serif);font-weight:600;font-size:1.18rem;letter-spacing:.03em;color:var(--color-primary)}.brand__sub{font-size:.58rem;letter-spacing:.22em;font-weight:500;color:var(--color-text-mute);margin-top:2px}.site-nav{display:flex;align-items:center;gap:1.55rem;font-size:.92rem;font-weight:500}.site-nav a:not(.nav-cta){color:var(--color-text-soft);position:relative;padding:.2rem 0}.site-nav a:not(.nav-cta):after{content:"";position:absolute;left:0;bottom:-2px;width:100%;height:1.5px;background:var(--color-accent);transform:scaleX(0);transform-origin:left;transition:transform var(--ease)}.site-nav a:not(.nav-cta):hover{color:var(--color-text)}.site-nav a:not(.nav-cta):hover:after{transform:scaleX(1)}.nav-cta{display:inline-flex;align-items:center;gap:.4rem;background:var(--color-accent);color:#fff!important;font-weight:700;font-size:.88rem;padding:.6rem 1.25rem;border-radius:999px;box-shadow:0 8px 20px #e07a3c52;transition:transform var(--ease),box-shadow var(--ease),background var(--ease)}.nav-cta:hover{background:var(--color-accent-dark);color:#fff!important;transform:translateY(-2px);box-shadow:0 12px 26px #e07a3c6b}.nav-cta span{transition:transform var(--ease)}.nav-cta:hover span{transform:translate(3px)}.nav-burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}.nav-burger span{width:24px;height:2px;background:var(--color-primary);border-radius:2px;transition:var(--ease)}.btn-primary{display:inline-flex;align-items:center;gap:.55rem;background:var(--color-accent);color:#fff!important;font-weight:700;font-size:1rem;padding:.95rem 2.1rem;border-radius:999px;box-shadow:0 12px 28px #e07a3c5c;transition:transform var(--ease),box-shadow var(--ease),background var(--ease)}.btn-primary:hover{background:var(--color-accent-dark);color:#fff!important;transform:translateY(-2px);box-shadow:0 18px 38px #e07a3c75}.btn-primary span{transition:transform var(--ease)}.btn-primary:hover span{transform:translate(3px)}.btn-outline{display:inline-flex;align-items:center;gap:.5rem;border:1.5px solid rgba(255,255,255,.55);color:#fff!important;font-weight:600;font-size:.96rem;padding:.9rem 1.7rem;border-radius:999px;transition:background var(--ease),border-color var(--ease)}.btn-outline:hover{background:#ffffff1f;border-color:#fff;color:#fff!important}.btn-outline--teal{border-color:var(--color-primary);color:var(--color-primary)!important}.btn-outline--teal:hover{background:var(--color-primary-soft);color:var(--color-primary)!important}.section-head{margin:0 0 2.2rem}.section-head__label{font-size:.76rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--color-accent);margin:0 0 .5rem}.section-head__title{font-family:var(--font-serif);font-weight:600;font-size:1.75rem;letter-spacing:.02em;margin:0;color:var(--color-text)}h1,h2,h3,h4{line-height:1.5;letter-spacing:.015em}.post-body{font-size:1.045rem;color:var(--color-text)}.post-body h2{font-family:var(--font-serif);font-size:1.5rem;font-weight:600;margin:3.4rem 0 1.4rem;padding:.1rem 0 .7rem .95rem;border-left:4px solid var(--color-primary);border-bottom:1px solid var(--color-border)}.post-body h3{font-family:var(--font-serif);font-size:1.2rem;font-weight:600;margin:2.6rem 0 1rem;padding-left:.8rem;border-left:3px solid var(--color-accent)}.post-body p{margin:1.25rem 0}.post-body ul,.post-body ol{padding-left:1.4rem}.post-body li{margin:.5rem 0}.post-body a{font-weight:500;border-bottom:1px solid rgba(15,87,81,.32)}.post-body a:hover{border-color:var(--color-accent)}.site-footer{margin-top:4.5rem;background:linear-gradient(165deg,var(--color-primary-deep),var(--color-primary-dark));color:#ffffffd1}.site-footer__inner{max-width:var(--wide-max);margin:0 auto;padding:3.5rem 1.5rem 3rem;text-align:center}.site-footer__brand{font-family:var(--font-serif);font-weight:600;font-size:1.3rem;color:#fff;margin:0 0 .6rem;letter-spacing:.03em}.site-footer__tagline{font-size:.92rem;color:#ffffffa8;max-width:36em;margin:0 auto 1.7rem;line-height:1.9}.site-footer__nav{display:flex;justify-content:center;flex-wrap:wrap;gap:1.6rem;font-size:.9rem;margin-bottom:2rem}.site-footer__nav a{color:#ffffffd1}.site-footer__nav a:hover{color:var(--color-accent)}.site-footer__copy{font-size:.8rem;color:#ffffff80;padding-top:1.6rem;border-top:1px solid rgba(255,255,255,.12);margin:0}mark{background:var(--highlight);padding:0 2px;color:inherit;font-weight:500}.swell-block-button{margin:2.2rem 0;text-align:center}.swell-block-button__link,.swell-block-button a{display:inline-flex;align-items:center;gap:.5rem;background:var(--color-accent);color:#fff!important;font-weight:700;padding:1rem 2.4rem;border-radius:999px;text-decoration:none;border-bottom:none!important;box-shadow:0 12px 28px #e07a3c57;transition:transform var(--ease),box-shadow var(--ease),background var(--ease)}.swell-block-button__link:hover,.swell-block-button a:hover{transform:translateY(-2px);background:var(--color-accent-dark);box-shadow:0 18px 36px #e07a3c75;color:#fff!important}.speech-balloon,.speech-balloon-r{position:relative;background:var(--color-bg-tint);border:1px solid var(--color-border);border-radius:14px;padding:1rem 1.2rem;margin:1.4rem 0 1.4rem 3.8rem;line-height:1.8}.speech-balloon-r{margin:1.4rem 3.8rem 1.4rem 0;background:var(--color-bg-sub)}.speech-balloon:before,.speech-balloon-r:before{content:"";position:absolute;top:14px;width:2.7rem;height:2.7rem;border-radius:50%;background:#ccc no-repeat center/cover;box-shadow:0 4px 12px #0000001f}.speech-balloon:before{left:-3.4rem;background-color:var(--color-primary)}.speech-balloon-r:before{right:-3.4rem;background-color:var(--color-accent)}.post-body table,main table{border-collapse:separate;border-spacing:0;width:100%;margin:1.8rem 0;border-radius:14px;overflow:hidden;box-shadow:var(--shadow-card);font-size:.96rem;border:1px solid var(--color-border)}.post-body th,main th{background:var(--color-primary);color:#fff;padding:.85rem 1rem;text-align:left;font-weight:600}.post-body td,main td{padding:.8rem 1rem;border-top:1px solid var(--color-border);background:#fff}.post-body tr:nth-child(2n) td{background:var(--color-bg-tint)}blockquote{border-left:4px solid var(--color-accent);background:var(--color-bg-sub);margin:1.8rem 0;padding:1.1rem 1.4rem;border-radius:0 12px 12px 0;color:var(--color-text-soft)}blockquote p:first-child{margin-top:0}blockquote p:last-child{margin-bottom:0}@media(max-width:860px){.nav-burger{display:flex}.site-nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-card);max-height:0;overflow:hidden;transition:max-height var(--ease);padding:0 1.5rem}.nav-toggle:checked~.site-nav{max-height:420px;padding:.5rem 1.5rem 1.2rem}.site-nav a:not(.nav-cta){padding:.9rem 0;border-bottom:1px solid var(--color-border-soft)}.nav-cta{justify-content:center;margin-top:.8rem}}@media(max-width:640px){main{padding:2.5rem 1.15rem 3rem}.brand__name{font-size:1.05rem}.section-head__title{font-size:1.45rem}.speech-balloon,.speech-balloon-r{margin-left:3.4rem}.speech-balloon-r{margin-right:3.4rem;margin-left:0}}