@charset "UTF-8";
:root{--ink:#17201b;--paper:#f7f7ef;--white:#fff;--lime:#c9f36a;--orange:#ff7753;--lavender:#d7d1ff;--line:#d8ddd1;--muted:#566057;font-family:"Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic",Meiryo,Arial,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0}a{color:inherit}img{max-width:100%;display:block}h1,h2,h3,p{margin-top:0}.shell{width:min(1160px,calc(100% - 48px));margin:auto}.skip{position:absolute;left:-9999px;top:10px;z-index:10;background:white;padding:12px}.skip:focus{left:10px}::selection{background:var(--lime);color:var(--ink)}
.masthead{background:var(--paper);border-bottom:1px solid var(--line);position:relative;z-index:2}.masthead-inner{display:flex;align-items:center;justify-content:space-between;min-height:84px;gap:28px}.brand{text-decoration:none;font-size:21px;font-weight:900;letter-spacing:.035em;line-height:1.15}.brand span{display:block;margin-top:5px;font-size:10px;font-weight:800;letter-spacing:.18em}.masthead nav{display:flex;align-items:center;gap:11px}.masthead nav a{font-size:13px;font-weight:800;text-decoration:none;padding:11px 15px;border-radius:99px;transition:transform .2s,background .2s}.masthead nav a:hover,.hero-action:hover,.after a:hover{transform:translateY(-3px)}.masthead nav .home-link{background:var(--ink);color:white}.masthead nav a:not(.home-link):hover{background:var(--lime)}
.hero{background:var(--paper);overflow:hidden}.hero-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(380px,.92fr);gap:clamp(30px,5vw,90px);align-items:center;min-height:670px;padding:72px 0 86px}.small-label,.section-tag,.post-kind,.index,.scene-list small{display:inline-block;font-family:Arial,"Hiragino Kaku Gothic ProN",sans-serif;font-size:11px;font-weight:900;letter-spacing:.13em}.small-label{background:var(--lime);border-radius:100px;padding:10px 16px}.hero h1{font-size:clamp(44px,5.4vw,77px);line-height:1.3;letter-spacing:-.065em;margin:28px 0 23px;font-weight:900;white-space:nowrap}.hero h1 em{font-style:normal;position:relative;z-index:0}.hero h1 em:after{content:"";position:absolute;left:0;right:0;bottom:4px;height:.19em;background:var(--orange);z-index:-1;transform:rotate(-1.2deg)}.hero-copy>p{font-size:17px;font-weight:600;line-height:2;max-width:580px;margin-bottom:32px}.hero-action{display:inline-flex;gap:20px;align-items:center;justify-content:space-between;border-radius:100px;padding:17px 23px;background:var(--ink);color:white;font-weight:800;text-decoration:none;transition:transform .2s}.hero-action span{font-size:20px}.hero-art{height:555px;position:relative;display:grid;place-items:center}.hero-arch{position:relative;width:100%;height:100%;border-radius:260px 260px 32px 32px;background:var(--lavender);border:5px solid var(--ink);overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end;padding:37px 45px;box-shadow:16px 16px 0 var(--lime);transform:rotate(2deg)}.hero-arch:before{content:"";position:absolute;inset:auto -75px -130px -65px;height:250px;border:5px solid var(--ink);border-radius:50%;background:var(--orange);transform:rotate(-12deg)}.hero-arch strong{font:900 clamp(66px,7vw,108px)/.93 Arial,sans-serif;letter-spacing:-.085em;position:relative;z-index:1}.hero-arch strong i{font-style:normal;color:white;text-shadow:3px 3px 0 var(--ink),-3px -3px 0 var(--ink),3px -3px 0 var(--ink),-3px 3px 0 var(--ink)}.art-dot{color:var(--lime)}.art-sun{width:180px;height:180px;border-radius:50%;background:var(--orange);border:5px solid var(--ink);position:absolute;top:47px;right:48px}.art-steam{position:absolute;font-size:100px;font-weight:900;top:46px;left:42px;transform:rotate(90deg);line-height:1}.steam-two{left:95px;top:87px}.art-bottom{position:relative;z-index:1;font-size:14px;font-weight:900;margin-top:16px}.art-sticker{position:absolute;right:-24px;bottom:17px;z-index:1;width:126px;height:126px;border:4px solid var(--ink);border-radius:50%;background:var(--lime);display:flex;flex-direction:column;align-items:center;justify-content:center;transform:rotate(15deg);font-size:40px;box-shadow:5px 6px 0 var(--ink)}.art-sticker small{font-size:12px;font-weight:900;text-align:center;line-height:1.35}
.mood-strip{background:var(--ink);color:white;overflow:hidden}.mood-inner{min-height:90px;display:flex;align-items:center;justify-content:center;gap:36px;font-size:18px;font-weight:900}.mood-inner b{color:var(--lime);font-size:28px}.section-tag{color:#3b5d34}.founder{padding:120px 0;background:var(--white)}.founder-grid{display:grid;grid-template-columns:300px 1fr;gap:clamp(50px,8vw,132px);align-items:center}.founder-aside{position:relative}.founder-aside img{width:100%;height:400px;object-fit:cover;object-position:25% center;border-radius:180px 180px 30px 30px;border:4px solid var(--ink);box-shadow:12px 12px 0 var(--lime)}.signature{background:var(--orange);border:3px solid var(--ink);padding:13px 20px;font-size:19px;font-weight:900;position:absolute;bottom:-28px;right:-38px;transform:rotate(-4deg);box-shadow:4px 4px 0 var(--ink)}.signature small{display:block;font-size:10px;margin-top:3px}.founder-copy{position:relative}.quote-line{position:absolute;color:var(--lime);font:900 240px/.7 Arial,sans-serif;right:0;top:-60px;opacity:.8}.founder h2,.moments h2,.scene h2,.join h2,.after h2{font-size:clamp(34px,3.4vw,50px);font-weight:900;line-height:1.4;letter-spacing:-.055em;margin:17px 0 30px;position:relative}.founder p{font-size:16px;line-height:2.25;font-weight:550;margin-bottom:18px;max-width:650px}.founder p.last{font-weight:900;background:linear-gradient(transparent 65%,var(--lime) 65%);display:inline}
.moments{background:#eef1e9;padding:110px 0 120px}.moments-head,.scene-head{display:flex;align-items:end;justify-content:space-between;gap:50px;margin-bottom:38px}.moments-head p,.scene-head p{max-width:340px;font-size:15px;line-height:1.85;font-weight:600}.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.post-card{min-width:0;background:white;border:2px solid var(--ink);border-radius:24px;padding:25px;box-shadow:5px 6px 0 var(--ink)}.post-card:nth-child(2){background:#fff9e9}.post-card:nth-child(3){background:#f4f1ff}.post-kind{background:var(--lime);padding:7px 10px;border-radius:30px;letter-spacing:.02em;font-size:10px}.post-card:nth-child(2) .post-kind{background:#ffc296}.post-card:nth-child(3) .post-kind{background:#d8d0ff}.post-card h3{font-size:22px;line-height:1.4;margin:20px 0 8px}.post-card p{font-size:13px;line-height:1.7;min-height:45px}.post-card .twitter-tweet{max-width:100%!important;min-width:0!important;margin:18px auto!important}.post-link{font-size:13px;font-weight:900;text-underline-offset:4px}
.scene{background:var(--white);padding:110px 0}.scene-list{padding:0;margin:0;list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.scene-list li{padding:27px 26px 32px;border:2px solid var(--ink);border-radius:25px;min-height:245px}.scene-list li:nth-child(1){background:var(--lime);transform:rotate(-2deg)}.scene-list li:nth-child(2){background:#ffc4ad;transform:rotate(1deg)}.scene-list li:nth-child(3){background:var(--lavender);transform:rotate(-1deg)}.scene-list h3{font-size:23px;margin:28px 0 14px;line-height:1.4}.scene-list p{font-size:14px;line-height:1.85;font-weight:600;margin:0}
.join{padding:110px 0;background:var(--lime)}.join-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.join .section-tag{color:var(--ink)}.join h2{font-size:clamp(48px,5vw,72px);line-height:1.25}.join-lead{font-size:17px;font-weight:700;line-height:2;max-width:500px}.join-card{background:white;border:3px solid var(--ink);border-radius:30px;padding:38px;box-shadow:11px 11px 0 var(--ink);transform:rotate(1deg)}.join-card .index{color:#536047}.join-card h3{font-size:29px;margin:16px 0;line-height:1.4}.join-card p{line-height:1.9;font-size:15px;font-weight:600}.status{display:inline-block;background:var(--orange);border-radius:100px;padding:10px 18px;font-size:13px;font-weight:900}.after{padding:90px 0;background:var(--ink);color:white}.after-inner{display:flex;align-items:end;justify-content:space-between;gap:30px}.after .section-tag{color:var(--lime)}.after h2{margin-bottom:10px}.after p{line-height:1.9;max-width:560px;margin:0}.after a{white-space:nowrap;background:white;color:var(--ink);padding:18px 25px;border-radius:99px;text-decoration:none;font-weight:900;transition:transform .2s}.footer{background:#111a14;color:#adb5ab;font:700 12px/1.6 Arial,sans-serif}.footer .shell{padding:23px 0;display:flex;justify-content:space-between;gap:20px}.footer a{text-decoration:none;color:white}
@media(max-width:960px){.hero-inner{grid-template-columns:1fr 1fr;gap:30px}.hero h1{font-size:clamp(38px,4.8vw,62px)}.hero-art{height:490px}.hero-arch{padding:35px}.hero-arch strong{font-size:75px}.art-sun{width:145px;height:145px;right:30px}.founder-grid{grid-template-columns:250px 1fr;gap:70px}.post-grid{grid-template-columns:1fr 1fr}.join-grid{gap:35px}}
@media(max-width:720px){.shell{width:min(100% - 36px,560px)}.masthead-inner{min-height:70px}.brand{font-size:18px}.brand span{font-size:8px}.masthead nav a:not(.home-link){display:none}.masthead nav .home-link{font-size:10px;padding:10px 12px}.hero-inner{display:flex;flex-direction:column;align-items:stretch;padding:60px 0 80px;gap:43px}.small-label{font-size:9px}.hero h1{font-size:clamp(38px,9.3vw,62px);margin:22px 0}.hero-copy>p{font-size:15px}.hero-art{height:440px;width:min(100% - 22px,440px);margin:auto}.hero-arch strong{font-size:clamp(65px,15vw,92px)}.art-sun{width:135px;height:135px}.art-sticker{right:-15px;width:110px;height:110px}.mood-inner{gap:10px;min-height:72px;font-size:12px;white-space:nowrap}.mood-inner b{font-size:20px}.founder,.moments,.scene,.join{padding:80px 0}.founder-grid,.join-grid{display:block}.founder-aside{width:min(72%,320px);margin:0 auto 80px}.signature{right:-20px}.founder h2,.moments h2,.scene h2{font-size:clamp(31px,8.5vw,45px)}.quote-line{font-size:150px;top:-34px}.moments-head,.scene-head,.after-inner{display:block}.moments-head p,.scene-head p{max-width:100%}.post-grid,.scene-list{grid-template-columns:1fr;gap:20px}.post-card{padding:23px}.post-card p{min-height:0}.scene-list li{min-height:0;transform:none!important}.join-card{margin-top:36px;padding:28px}.after{padding:75px 0}.after a{display:inline-block;margin-top:28px}.footer .shell{display:block}.footer a{display:block;margin-top:8px}}
@media(max-width:380px){.hero h1{font-size:35px}.hero-art{height:390px}.hero-arch{padding:26px}.hero-arch strong{font-size:62px}.art-sun{width:110px;height:110px}.art-bottom{font-size:11px}.mood-inner{font-size:10px}.masthead nav .home-link{font-size:9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* The opening diagram replaces the former decorative hero. */
.concept-map{padding:78px 0 104px;background:#f8f7f1}.concept-head{display:grid;grid-template-columns:1fr minmax(260px,360px);align-items:end;gap:60px;margin-bottom:42px}.concept-head h1{font-size:clamp(38px,4.6vw,64px);line-height:1.3;letter-spacing:-.06em;font-weight:900;margin:18px 0 0}.concept-head p{font-size:16px;line-height:2;font-weight:650;margin:0 0 8px}.flow-diagram{padding:58px 68px 32px;background:#fff;border:2px solid var(--ink);border-radius:30px}.flow-steps{list-style:none;padding:0;margin:0;display:flex;align-items:center;justify-content:space-between;gap:58px}.flow-step{position:relative;flex:1;min-width:0;max-width:300px;aspect-ratio:1;border:3px solid var(--ink);border-radius:50%;padding:22px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:#d8efaa}.flow-step:nth-child(2){background:#ffd1b4}.flow-step:nth-child(3){background:#dbd6fa}.flow-step:not(:last-child):after{content:"⟶";position:absolute;left:calc(100% + 13px);top:45%;font:900 35px/1 Arial,sans-serif;transform:rotate(-7deg)}.flow-no{position:absolute;top:12px;left:34px;font:900 13px/1 Arial,sans-serif}.flow-symbol{font-size:46px;font-weight:900;line-height:1;margin-bottom:9px}.flow-symbol-meal,.flow-symbol-talk{font-size:34px;width:66px;height:66px;border:3px solid var(--ink);border-radius:50%;display:grid;place-items:center;margin-bottom:12px}.flow-step strong{font-size:clamp(19px,2vw,25px);letter-spacing:-.04em}.flow-step p{font-size:13px;font-weight:700;line-height:1.7;margin:8px 0 0}.flow-continuation{width:max-content;max-width:100%;margin:28px auto 0;display:flex;align-items:center;gap:12px;color:#41623b}.flow-continuation span{font:900 42px/1 Arial,sans-serif}.flow-continuation p{font-size:17px;font-weight:900;margin:0}.sauna-faq{background:#fff;padding:105px 0}.faq-layout{display:grid;grid-template-columns:minmax(250px,.8fr) minmax(0,1.2fr);gap:80px}.sauna-faq h2{font-size:clamp(34px,3.7vw,52px);line-height:1.35;letter-spacing:-.055em;margin:18px 0}.sauna-faq .faq-layout>div:first-child>p{font-size:15px;line-height:1.9;font-weight:600;max-width:340px}.faq-list{border-top:2px solid var(--ink)}.faq-list details{border-bottom:2px solid var(--ink)}.faq-list summary{list-style:none;cursor:pointer;position:relative;padding:22px 52px 22px 0;font-size:17px;font-weight:900;line-height:1.6}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";position:absolute;right:7px;top:17px;font:900 27px/1.3 Arial,sans-serif;color:#496c3d}.faq-list details[open] summary:after{content:"−"}.faq-list details p{font-size:15px;line-height:1.9;font-weight:600;margin:0;padding:0 25px 22px 0}.faq-list summary:focus-visible{outline:3px solid var(--orange);outline-offset:4px}
@media(max-width:960px){.flow-diagram{padding:42px 35px 24px}.flow-steps{gap:36px}.flow-step{padding:15px}.flow-step:not(:last-child):after{left:calc(100% + 2px);font-size:30px}.flow-step p{font-size:11px}.flow-no{left:20px}.faq-layout{gap:40px}}
@media(max-width:720px){.concept-map{padding:64px 0 76px}.concept-head{display:block;margin-bottom:27px}.concept-head h1{font-size:clamp(34px,8.6vw,46px);margin:14px 0}.concept-head p{font-size:14px}.flow-diagram{padding:32px 23px 24px;border-radius:22px}.flow-steps{display:grid;gap:27px}.flow-step{width:100%;max-width:none;aspect-ratio:auto;min-height:130px;border-radius:22px;padding:23px 18px 20px 96px;display:block;text-align:left}.flow-step:not(:last-child):after{content:"↓";left:49%;top:auto;bottom:-33px;font-size:26px;transform:none}.flow-no{left:auto;right:19px;top:17px}.flow-symbol,.flow-symbol-meal,.flow-symbol-talk{position:absolute;left:20px;top:35px;width:58px;height:58px;font-size:35px;line-height:1;display:grid;place-items:center;margin:0}.flow-symbol-meal,.flow-symbol-talk{font-size:27px}.flow-step strong{display:block;font-size:20px;margin:11px 0 0}.flow-step p{font-size:12px;margin:4px 0 0}.flow-continuation{margin-top:24px}.flow-continuation p{font-size:14px}.sauna-faq{padding:78px 0}.faq-layout{display:block}.faq-layout>div:first-child{margin-bottom:30px}.faq-list summary{font-size:15px}.faq-list details p{font-size:14px}}