:root{color-scheme:light;
--tk-p:#3aa7d6;--tk-g:#4fc48a;--tk-c:#ff9a52;
--tk-bg:#f4fbfd;--tk-card:#fff;--tk-line:#d3e9ef;--tk-sky:#e6f5fa;
--tk-ink:#213640;--tk-muted:#536a75;--tk-p-dark:#1b6f99;--tk-g-dark:#1f7a52;--tk-c-dark:#b4540f;
--tk-cocurie:#8a5a38;
--jp:"Zen Maru Gothic","Hiragino Maru Gothic ProN","Hiragino Sans","Yu Gothic",Meiryo,sans-serif;
--hand:"Zen Kurenaido","Zen Maru Gothic",sans-serif;
--en:"Quicksand","Zen Maru Gothic",sans-serif;
--max:1120px;--r:1.5rem;--shadow:0 16px 40px rgba(33,54,64,.08)}
*,*:before,*:after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:6rem}
body{margin:0;background:var(--tk-bg);color:var(--tk-ink);font:500 1.0625rem/1.9 var(--jp);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:var(--tk-p-dark);text-underline-offset:.25em}
h1,h2,h3{font-weight:700;letter-spacing:.02em}
:focus-visible{outline:3px solid var(--tk-p-dark);outline-offset:3px;border-radius:.4rem}
.tk-wrap{width:min(calc(100% - 2.5rem),var(--max));margin-inline:auto}
.tk-wrap--narrow{width:min(calc(100% - 2.5rem),46rem)}
.tk-skip{position:absolute;left:1rem;top:-5rem;z-index:100;padding:.7rem 1rem;border-radius:.6rem;background:#fff;color:var(--tk-ink)}
.tk-skip:focus{top:1rem}

/* util + header */
.tk-util{background:#fff;border-bottom:1px solid var(--tk-line);color:var(--tk-muted);font-size:.875rem;line-height:1.5}
.tk-util .tk-wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:0 1rem;padding:0}
.tk-util a{display:inline-flex;align-items:center;min-height:2.75rem;color:var(--tk-cocurie);font-weight:700}
.tk-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--tk-line)}
.tk-header .tk-wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:4.5rem}
.tk-brand{display:inline-flex;align-items:center;gap:.7rem;color:var(--tk-ink);text-decoration:none}
.tk-logo{width:2.75rem;height:2.75rem;flex:none}
.tk-brand__name{display:block;font-size:1.35rem;font-weight:700;letter-spacing:.08em;line-height:1.2}
.tk-brand__sub{display:none;color:var(--tk-muted);font-size:.875rem;line-height:1.4}
@media(min-width:30rem){.tk-brand__sub{display:block}}
.tk-nav__toggle{display:inline-flex;flex:none;align-items:center;white-space:nowrap;min-height:2.75rem;padding:0 1.1rem;border:1px solid var(--tk-line);border-radius:999px;background:#fff;color:var(--tk-ink);font:700 1rem var(--jp);cursor:pointer}
.tk-nav__list{display:none;position:absolute;inset:100% 0 auto;margin:0;padding:.8rem 1.25rem 1.2rem;list-style:none;background:#fff;border-bottom:1px solid var(--tk-line);box-shadow:var(--shadow)}
.tk-nav__list.is-open{display:grid;gap:.15rem}
.tk-nav__list a{display:flex;align-items:center;min-height:2.9rem;padding:0 .9rem;border-radius:999px;color:var(--tk-ink);font-weight:700;text-decoration:none}
.tk-nav__list a:hover{background:var(--tk-sky)}
.tk-nav__list .tk-nav__join{justify-content:center;margin-top:.4rem;background:var(--tk-p-dark);color:#fff}
.tk-nav__list .tk-nav__join:hover{background:#155a7d}
html:not(.js) .tk-nav__toggle{display:none}
html:not(.js) .tk-nav__list{display:flex;flex-wrap:wrap;position:static;padding:0;border:0;box-shadow:none;background:transparent}
@media(min-width:62rem){
.tk-nav__toggle{display:none}
.tk-nav__list{display:flex;position:static;align-items:center;gap:.1rem;padding:0;border:0;box-shadow:none;background:transparent}
.tk-nav__list a{font-size:.95rem;padding:0 .8rem}
.tk-nav__list .tk-nav__join{margin:0 0 0 .5rem;padding:0 1.3rem}
}

/* shared type */
.tk-label{margin:0 0 .35rem;color:var(--tk-g-dark);font:700 .875rem/1.4 var(--en);letter-spacing:.16em;text-transform:uppercase}
.tk-breeze{display:block;width:min(100%,380px);height:22px;margin:0 0 .6rem}
.tk-h1{margin:.4rem 0 0;font-size:clamp(1.8rem,4.6vw,2.6rem);line-height:1.45}
.tk-h2{margin:0;font-size:clamp(1.7rem,3.8vw,2.4rem);line-height:1.45}
.tk-lead{max-width:42rem;margin:1rem 0 0;color:var(--tk-muted)}
.tk-hand{margin:1.4rem 0 0;color:var(--tk-c-dark);font-family:var(--hand);font-size:1.6rem;line-height:1.5}
.tk-hand--sm{font-size:1.3rem}
.tk-note{margin:1.4rem 0 0;color:var(--tk-muted);font-size:.9375rem}
.tk-empty{padding:2rem;border:1px solid var(--tk-line);border-radius:var(--r);background:#fff;color:var(--tk-muted);text-align:center}
.tk-badge{display:inline-flex;align-items:center;gap:.5rem;margin:0;padding:.3rem .95rem;border:1.5px solid var(--tk-g-dark);border-radius:999px;background:#fff;color:var(--tk-g-dark);font-size:.9375rem;font-weight:700;line-height:1.5}
.tk-badge:before{content:"";width:.55rem;height:.55rem;border-radius:50%;background:var(--tk-g)}
.tk-chip{display:inline-flex;align-items:center;padding:.05rem .7rem;border:1px solid var(--tk-g);border-radius:999px;background:#fff;color:var(--tk-g-dark);font-size:.875rem;font-weight:700;line-height:1.6}
.tk-chip--draft{border-color:#ffc9a3;background:#fff4ea;color:var(--tk-c-dark)}
.tk-chip:empty{display:none}

/* buttons */
.tk-actions{display:flex;flex-wrap:wrap;align-items:center;gap:1.2rem 1.8rem;margin-top:2rem}
.tk-btn-circle{display:inline-grid;place-items:center;width:8.75rem;height:8.75rem;border-radius:50%;background:radial-gradient(circle at 34% 28%,#ffc596 0%,var(--tk-c) 62%);color:var(--tk-ink);font-size:1.0625rem;font-weight:700;line-height:1.45;text-align:center;text-decoration:none;box-shadow:0 18px 34px rgba(255,154,82,.36),inset 0 -5px 0 rgba(180,84,15,.12);transition:transform .25s,box-shadow .25s}
.tk-btn-circle:hover{transform:translateY(-4px) scale(1.03);box-shadow:0 24px 40px rgba(255,154,82,.44),inset 0 -5px 0 rgba(180,84,15,.12)}
.tk-btn-pill,.tk-btn-ghost{display:inline-flex;align-items:center;gap:.6rem;min-height:3rem;padding:0 1.5rem;border-radius:999px;font-weight:700;text-decoration:none;transition:transform .2s,background .2s}
.tk-btn-pill{background:var(--tk-p-dark);color:#fff;box-shadow:0 10px 24px rgba(27,111,153,.22)}
.tk-btn-pill:hover{background:#155a7d;transform:translateY(-2px)}
.tk-btn-ghost{border:1.5px solid var(--tk-p-dark);background:#fff;color:var(--tk-p-dark)}
.tk-btn-ghost:hover{background:var(--tk-sky);transform:translateY(-2px)}
.tk-btn-pill:after,.tk-btn-ghost:after{content:"→"}

/* hero */
.tk-hero{position:relative;isolation:isolate;overflow:hidden;padding:clamp(3.5rem,9vw,7rem) 0 clamp(6rem,12vw,9rem)}
.tk-hero__bg{position:absolute;inset:0;z-index:-2}
.tk-hero__bg img{width:100%;height:100%;object-fit:cover;object-position:center 65%}
.tk-hero:before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(0deg,var(--tk-bg) 0%,rgba(244,251,253,.88) 22%,rgba(244,251,253,.84) 100%)}
.tk-hero h1{margin:1.1rem 0 0;font-size:clamp(2.1rem,6.4vw,4rem);line-height:1.35}
.tk-hero h1 em{font-style:normal;color:var(--tk-p-dark)}
.tk-hero__lead{max-width:34rem;margin:1.3rem 0 0;font-size:clamp(1.0625rem,1.9vw,1.2rem)}
.tk-hero__wind{position:absolute;left:0;right:0;bottom:1.2rem;width:100%;height:90px;fill:none;stroke:var(--tk-p);stroke-linecap:round;opacity:.55}
.tk-hero__wind path{stroke-width:2.5;stroke-dasharray:260 90;animation:tk-wind 18s linear infinite}
.tk-hero__wind path+path{stroke-width:1.8;opacity:.6;animation-duration:26s}
@keyframes tk-wind{to{stroke-dashoffset:-1400}}
@media(min-width:56rem){
.tk-hero:before{background:linear-gradient(90deg,rgba(244,251,253,.97) 0%,rgba(244,251,253,.9) 40%,rgba(244,251,253,.35) 72%,rgba(244,251,253,.05) 100%),linear-gradient(0deg,var(--tk-bg) 0%,rgba(244,251,253,0) 30%)}
}

/* sections */
.tk-section{position:relative;padding:clamp(4rem,9vw,6.5rem) 0}
.tk-section--tight{padding-top:1rem}
.tk-section--sky{background:linear-gradient(180deg,var(--tk-sky) 0%,var(--tk-bg) 100%)}
.tk-head{max-width:46rem;margin-bottom:clamp(2rem,5vw,3rem)}
.tk-head p:not(.tk-label){margin:.9rem 0 0;color:var(--tk-muted)}
.tk-head--row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:1.2rem 2rem;max-width:none}
.tk-head--row>div{max-width:44rem}

.tk-photo{position:relative;margin:0;overflow:hidden;border-radius:var(--r);box-shadow:var(--shadow)}
.tk-photo img{width:100%;aspect-ratio:4/3;object-fit:cover;filter:saturate(1.06) brightness(1.03)}
.tk-photo:after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(58,167,214,.16),transparent 55%);pointer-events:none}
.tk-photo--round{border-radius:50%}
.tk-photo--round img{aspect-ratio:1}

.tk-card{position:relative;overflow:hidden;padding:1.7rem;border:1px solid var(--tk-line);border-radius:var(--r);background:var(--tk-card);box-shadow:0 8px 26px rgba(33,54,64,.05)}
.tk-card:before{content:"";position:absolute;top:-45%;right:-35%;width:80%;aspect-ratio:1;background:radial-gradient(circle,rgba(58,167,214,.12),transparent 70%);pointer-events:none}
.tk-card h3{position:relative;margin:0 0 .5rem;font-size:1.25rem;line-height:1.5}
.tk-card p{position:relative;margin:0;color:var(--tk-muted)}
.tk-icon{position:relative;width:3rem;height:3rem;margin-bottom:.8rem;fill:none;stroke:var(--tk-p-dark);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.tk-num{margin:0 0 .3rem!important;color:var(--tk-p-dark)!important;font:700 2rem/1 var(--en)}

.tk-about{display:grid;gap:2.5rem;align-items:center}
.tk-about p{margin:1rem 0 0}
.tk-about .tk-label{margin-top:0}
.tk-points{display:grid;gap:1.2rem;margin-top:clamp(2.5rem,6vw,4rem)}
.tk-promise{margin-top:1.6rem;padding:1.7rem 1.9rem;border:1px solid var(--tk-line);border-radius:var(--r);background:linear-gradient(120deg,#fff 0%,#fff 60%,var(--tk-sky) 100%)}
.tk-promise h3{margin:0;font-size:1.25rem}
.tk-promise p{margin:.5rem 0 0;color:var(--tk-muted)}
.tk-promise ul{display:grid;gap:.4rem;margin:1rem 0 0;padding:0;list-style:none}
.tk-promise li{position:relative;padding-left:1.8rem;font-weight:700}
.tk-promise li:before{content:"";position:absolute;left:.2rem;top:.72em;width:.95rem;height:.12rem;border-radius:1px;background:var(--tk-c-dark)}

.tk-ways{display:grid;gap:1.2rem}
.tk-projects{display:grid;gap:2rem}
.tk-project{display:grid;gap:1.4rem;align-items:center;padding:1.2rem;border:1px solid var(--tk-line);border-radius:calc(var(--r) + .5rem);background:#fff;box-shadow:0 8px 26px rgba(33,54,64,.05)}
.tk-project__body{padding:.2rem .6rem .6rem}
.tk-project__status{margin:0 0 .6rem}
.tk-project h3{margin:0;font-size:clamp(1.3rem,2.6vw,1.6rem);line-height:1.5}
.tk-project p{margin:.8rem 0 0}
.tk-project .tk-project__status{margin:0 0 .6rem}

.tk-posts{display:grid;gap:1.4rem}
.tk-post{position:relative;display:flex;flex-direction:column;overflow:hidden;border:1px solid var(--tk-line);border-radius:var(--r);background:#fff;box-shadow:0 8px 26px rgba(33,54,64,.05);transition:transform .25s,box-shadow .25s}
.tk-post:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.tk-post__img img{width:100%;aspect-ratio:16/10;object-fit:cover;filter:saturate(1.06) brightness(1.03)}
.tk-post__body{padding:1.3rem 1.5rem 1.6rem}
.tk-post__meta{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem .6rem;margin:0;color:var(--tk-muted);font-size:.9375rem}
.tk-post__meta time{font-family:var(--en);font-weight:700;letter-spacing:.04em}
.tk-post__title{margin:.5rem 0 0;font-size:1.2rem;line-height:1.55}
.tk-post__title a{color:var(--tk-ink);text-decoration:none}
.tk-post__title a:after{content:"";position:absolute;inset:0}
.tk-post__title a:hover{color:var(--tk-p-dark)}
.tk-post p:last-child{margin:.5rem 0 0;color:var(--tk-muted)}

.tk-minutes{margin:0;padding:0;list-style:none;border-top:1px solid var(--tk-line)}
.tk-minutes li{border-bottom:1px solid var(--tk-line)}
.tk-minutes a{display:grid;gap:.2rem .9rem;padding:1.1rem .6rem;color:var(--tk-ink);text-decoration:none;border-radius:.8rem;transition:background .2s}
.tk-minutes a:hover{background:#fff}
.tk-minutes time{color:var(--tk-muted);font-family:var(--en);font-weight:700;letter-spacing:.04em}
.tk-minutes__meeting{justify-self:start;padding:.05rem .7rem;border-radius:999px;background:var(--tk-sky);color:var(--tk-p-dark);font-size:.875rem;font-weight:700}
.tk-minutes__title{display:flex;flex-wrap:wrap;align-items:center;gap:.3rem .6rem;font-weight:700}
.tk-minutes__title:after{content:"→";color:var(--tk-p-dark)}

.tk-join{overflow:hidden;background:radial-gradient(60rem 30rem at 85% 40%,rgba(58,167,214,.16),transparent 70%),radial-gradient(40rem 26rem at 10% 90%,rgba(79,196,138,.14),transparent 70%)}
.tk-join__grid{display:grid;gap:3rem;align-items:center}
.tk-join p{margin:1rem 0 0}
.tk-join__visual{position:relative;justify-self:center;width:min(100%,26rem)}

.tk-facts{display:grid;gap:0;margin:1.6rem 0 0;border-top:1px solid var(--tk-line)}
.tk-facts div{display:grid;grid-template-columns:7.5rem 1fr;gap:1rem;padding:.8rem .2rem;border-bottom:1px solid var(--tk-line)}
.tk-facts dt{color:var(--tk-muted);font-weight:700}
.tk-facts dd{margin:0;font-weight:700}
.tk-facts--card{padding:.4rem 1.4rem;border:1px solid var(--tk-line);border-radius:var(--r);background:#fff;margin-bottom:2rem}
.tk-facts--card div:last-child{border-bottom:0}

/* sub pages */
.tk-pagehead{padding:clamp(2rem,5vw,3.5rem) 0 1.5rem;background:linear-gradient(180deg,var(--tk-sky),var(--tk-bg))}
.tk-crumb ol{display:flex;flex-wrap:wrap;gap:.2rem .5rem;margin:0 0 1.6rem;padding:0;list-style:none;color:var(--tk-muted);font-size:.9375rem}
.tk-crumb a{display:inline-flex;align-items:center;min-height:2.75rem}
.tk-crumb li{display:flex;align-items:center}
.tk-crumb li:not(:last-child):after{content:"›";margin-left:.5rem}
.tk-crumb li[aria-current]{overflow:hidden;max-width:22rem;text-overflow:ellipsis;white-space:nowrap}
.tk-article{padding:clamp(2rem,5vw,3.5rem) 0 clamp(4rem,9vw,6rem);background:linear-gradient(180deg,var(--tk-sky) 0,var(--tk-bg) 22rem)}
.tk-article .tk-post__meta{margin-top:.5rem}
.tk-article__img{margin:1.8rem 0 0}
.tk-article__img img{aspect-ratio:16/10}
.tk-draft{margin:0 0 1.4rem;padding:.9rem 1.2rem;border:1px solid #ffc9a3;border-radius:1rem;background:#fff4ea;color:var(--tk-c-dark);font-weight:700}
.tk-prose{margin-top:2rem}
.tk-prose h2{margin:2.6rem 0 .8rem;padding-left:.9rem;border-left:4px solid var(--tk-p);font-size:1.4rem;line-height:1.5}
.tk-prose h3{margin:2rem 0 .6rem;font-size:1.2rem;color:var(--tk-p-dark)}
.tk-prose p{margin:1rem 0}
.tk-prose ul,.tk-prose ol{margin:1rem 0;padding-left:1.5rem}
.tk-prose li{margin:.35rem 0}
.tk-prose li::marker{color:var(--tk-g-dark)}
.tk-prose strong{background:linear-gradient(transparent 62%,rgba(255,154,82,.3) 62%)}
.tk-back{margin:3rem 0 0}
.tk-back a{display:inline-flex;align-items:center;gap:.5rem;min-height:2.75rem;font-weight:700}
.tk-back a:before{content:"←"}

/* footer */
.tk-footer{padding:3.5rem 0 2rem;border-top:1px solid var(--tk-line);background:#fff}
.tk-footer__grid{display:grid;gap:2rem}
.tk-footer__note{margin:1rem 0 0;color:var(--tk-muted);font-size:.9375rem;line-height:1.8}
.tk-footer__links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.2rem 1.5rem;margin:0;padding:0;list-style:none}
.tk-footer__links a{display:inline-flex;align-items:center;min-height:2.75rem;color:var(--tk-ink);font-weight:700}
.tk-footer__copy{margin-top:2rem;padding-top:1.2rem;border-top:1px solid var(--tk-line);color:var(--tk-muted);font-size:.875rem}

@media(min-width:48rem){
.tk-points{grid-template-columns:repeat(3,minmax(0,1fr))}
.tk-ways{grid-template-columns:repeat(2,minmax(0,1fr))}
.tk-posts{grid-template-columns:repeat(3,minmax(0,1fr))}
.tk-minutes a{grid-template-columns:7.5rem 9rem 1fr;align-items:center}
.tk-footer__grid{grid-template-columns:1.2fr 1fr;align-items:start}
}
@media(min-width:56rem){
.tk-about{grid-template-columns:1.05fr .95fr;gap:4rem}
.tk-project{grid-template-columns:.95fr 1.05fr;padding:1.4rem}
.tk-project:nth-child(even) .tk-photo{order:2}
.tk-join__grid{grid-template-columns:1.1fr .9fr;gap:4rem}
}
@media(min-width:64rem){.tk-ways{grid-template-columns:repeat(4,minmax(0,1fr))}}

/* motion */
.js .tk-reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.js .tk-reveal.is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
.tk-hero__wind path{animation:none}
.js .tk-reveal{opacity:1;transform:none;transition:none}
.tk-btn-circle,.tk-btn-pill,.tk-btn-ghost,.tk-post{transition:none}
}