:root{--color:#329a99;--ink:#214d52;--pale:#e4f3f0;--bg:#f5fbfa;--line:color-mix(in srgb,#214d52 17%,transparent);--muted:color-mix(in srgb,#214d52 78%,white)}

*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:2rem}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Yu Gothic UI","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;font-size:16px;line-height:1.9}a{color:inherit;text-underline-offset:.25em}a:hover{text-decoration-thickness:2px}a:focus-visible{outline:3px solid var(--color);outline-offset:5px}img{max-width:100%;height:auto;display:block}figure{margin:0}p{margin:.6em 0 1.15em}h1,h2,h3{overflow-wrap:anywhere}h1,h2,h3,p{word-break:normal}h1,h2,h3{line-height:1.55}button,a{-webkit-tap-highlight-color:transparent}.skip-link{position:absolute;top:-80px;left:20px;z-index:5;padding:10px 20px;background:white}.skip-link:focus{top:10px}.topline{padding:7px max(24px,calc((100vw - 1180px)/2));display:flex;justify-content:space-between;gap:20px;background:var(--ink);color:white;font-size:.66rem;letter-spacing:.12em}.site-header{max-width:1240px;margin:auto;padding:26px 30px;display:flex;align-items:center;justify-content:space-between;gap:28px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:14px;text-decoration:none;min-width:0}.brand img{width:44px;flex-shrink:0}.brand strong{display:block;font-size:1.45rem;letter-spacing:.025em}.brand small{display:block;font-size:.68rem;font-weight:500;margin-top:1px}.site-header nav{display:flex;gap:22px;flex-shrink:0;font-size:.8rem;font-weight:700}.site-header nav a{text-decoration:none;padding:7px 0;border-bottom:2px solid transparent}.site-header nav a:hover{border-color:var(--color)}main{max-width:1240px;padding:0 30px;margin:auto}.eyebrow{display:block;font-size:.68rem;font-weight:800;letter-spacing:.14em}.intro{padding:48px 0 38px}.intro h1{font-size:clamp(2.15rem,4vw,3.8rem);letter-spacing:.025em;margin:.35em 0;line-height:1.45}.intro>p{font-size:.92rem;margin:15px 0 18px}.text-link{font-weight:700;font-size:.84rem;text-decoration:none;border-bottom:1px solid var(--color);padding-bottom:4px}.intro .text-link span{margin-left:25px}.chip{display:inline-block;background:var(--pale);border:1px solid var(--line);padding:3px 10px;border-radius:4px;font-size:.68rem;font-weight:700;letter-spacing:.03em}.feature-card{background:#fff;border:1px solid var(--line);display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);overflow:hidden;border-radius:12px}.feature-media{padding:24px;min-width:0}.feature-copy{padding:35px 30px;align-self:center}.feature-copy h2{font-size:clamp(1.3rem,2vw,1.8rem);margin:18px 0}.feature-copy h2 a{text-decoration:none}.feature-copy>p{font-size:.88rem;line-height:1.95}.feature-copy>small{display:block;font-size:.68rem;margin-top:17px}.product-photo{width:100%;max-height:540px;object-fit:contain;background:#fff}.feature-media .product-photo{height:360px;max-height:none}.feature-media figcaption,figcaption{font-size:.69rem;line-height:1.8;margin-top:8px;color:var(--muted)}.fact-list{padding:15px 17px 15px 34px;margin:22px 0;background:var(--pale);font-size:.82rem;border-radius:6px}.fact-list li{margin:5px 0}.button{display:flex;align-items:center;justify-content:space-between;gap:16px;background:var(--ink);color:white;text-decoration:none;padding:13px 17px;border-radius:5px;font-size:.82rem;font-weight:bold}.button:hover{background:var(--color);color:var(--ink)}.topic-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin:0 0 30px;border:1px solid var(--line);background:var(--line);border-radius:8px;overflow:hidden}.topic-nav a{padding:15px 20px;display:flex;gap:12px;align-items:center;text-decoration:none;background:var(--bg);font-size:.82rem;font-weight:700}.topic-nav a:hover{background:var(--pale)}.topic-nav span{font-family:Georgia,serif;font-size:.78rem;opacity:.65}.topic-nav b{margin-left:auto;font-size:1rem}.support-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:26px;margin:34px 0 0;align-items:start}.guidebox{padding:28px 30px;background:var(--pale);border-radius:10px}.guidebox h2{font-size:1.25rem;margin:10px 0 20px}.guidebox ol{padding-left:23px;margin:0 0 20px}.guidebox li{padding-left:5px;margin-bottom:15px}.guidebox li::marker{font-family:Georgia,serif;font-weight:bold}.guidebox li strong{font-size:.85rem}.guidebox li p{font-size:.8rem;margin:3px 0 0;line-height:1.9}.editor-note{display:flex;align-items:flex-start;gap:17px;padding:24px;background:white;border:1px solid var(--line);border-radius:10px}.editor-note p{font-size:.84rem;line-height:1.9;margin-top:10px}.editor-note a{font-size:.76rem;font-weight:700}.editor-note .portrait{flex-shrink:0;width:90px}.portrait{display:block;width:80px;aspect-ratio:1;position:relative;overflow:hidden;border-radius:50%;background:var(--pale);isolation:isolate}.portrait img{position:absolute;top:0;width:300%;max-width:none;height:100%;object-fit:fill;left:0}.portrait.person-1 img{left:-100%}.portrait.person-2 img{left:-200%}.portrait.large{width:115px;flex-shrink:0}.section-title{display:flex;justify-content:space-between;gap:24px;align-items:end;margin:0 0 23px;border-bottom:1px solid var(--line);padding-bottom:16px}.section-title h2{font-size:1.5rem;margin:8px 0 0}.section-title>a{font-size:.75rem;white-space:nowrap;text-decoration:none;font-weight:bold}.photo-section,.team-section{margin-top:60px}.photo-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.photo-grid:has(>.photo-card:last-child:nth-child(2)){grid-template-columns:repeat(2,minmax(0,1fr))}.photo-card{background:white;border:1px solid var(--line);border-radius:10px;overflow:hidden}.photo-card .photo-open{text-decoration:none;display:block}.photo-card .buy a{height:auto}.photo-copy h3 a{text-decoration:none}.photo-card .buy{padding-top:12px}.photo-card .buy>div{display:grid;grid-template-columns:1fr}.photo-card .buy a{font-size:.65rem;padding:8px 10px}.photo-card .buy small{font-size:.58rem}.photo-frame{padding:17px;background:white}.photo-frame img{width:100%;height:220px;object-fit:contain}.photo-copy{padding:19px;background:color-mix(in srgb,var(--pale) 45%,white)}.photo-copy h3{font-size:1rem;margin:10px 0 0;display:flex;justify-content:space-between;gap:12px}.small-note{font-size:.7rem;color:var(--muted);line-height:1.85}.photo-section>.small-note{margin-top:15px}.team-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.team-card{padding:24px 18px;background:var(--pale);border:1px solid var(--line);border-radius:14px;text-align:center;display:flex;flex-direction:column;align-items:center}.team-card h3{font-size:1.05rem;margin:5px 0 7px}.team-card .role{display:block;font-size:.65rem;font-weight:bold;letter-spacing:.08em;margin-top:16px}.team-card p{font-size:.78rem;margin:5px 0 0;text-align:left}.team-card .voice{font-size:.72rem;border-top:1px solid var(--line);padding-top:12px;margin-top:15px}.buy{padding:14px 0 8px}.buy-purpose{display:block;font-size:.68rem;font-weight:bold;margin-bottom:7px}.buy>div{display:flex;gap:7px;flex-wrap:wrap}.buy a{display:inline-block;padding:10px 12px;border:1px solid var(--line);background:var(--pale);border-radius:4px;text-decoration:none;font-size:.72rem;font-weight:bold;line-height:1.65}.buy a:hover{border-color:var(--ink)}.buy small{display:block;font-size:.64rem;margin-top:8px;line-height:1.7;color:var(--muted)}.article{max-width:860px;margin:auto}.crumb{font-size:.72rem;margin:25px 0;color:var(--muted)}.article-header{padding:20px 0 26px}.article h1{font-size:clamp(1.7rem,3vw,2.5rem);letter-spacing:.02em;line-height:1.6;margin:16px 0 18px}.article .lead{font-size:.98rem;line-height:2}.meta{font-size:.71rem;color:var(--muted)}.article h2{font-size:1.35rem;background:var(--pale);border-left:4px solid var(--color);padding:17px 23px;margin:43px 0 22px;line-height:1.7;border-radius:0 8px 8px 0}.article h3{font-size:1.1rem}.article>figure,.article section>figure{margin:30px 0;padding:24px;background:white;border:1px solid var(--line);border-radius:10px}.article figure .product-photo{max-height:650px;object-fit:contain}.article figcaption{margin-top:10px}.article section>p{line-height:2.1}.specs{padding:8px 24px;background:color-mix(in srgb,var(--pale) 55%,white);border:1px solid var(--line);border-radius:9px}.specs div{display:grid;grid-template-columns:30% minmax(0,1fr);gap:22px;padding:15px 0;border-bottom:1px solid var(--line)}.specs div:last-child{border:0}.specs dt{font-size:.82rem;font-weight:bold}.specs dd{margin:0;font-size:.9rem}.toc{padding:22px 28px;border:1px solid var(--line);background:white;border-radius:8px;margin:30px 0;font-size:.86rem}.toc ul{padding-left:20px}.toc li{margin:8px 0}.talk{display:flex;align-items:flex-start;gap:20px;margin:25px 0}.talk.speaker-1{flex-direction:row-reverse}.who{flex:0 0 85px;text-align:center}.who .portrait{margin:auto}.who strong{display:block;font-size:.7rem;margin-top:7px;line-height:1.5}.who small{display:block;font-size:.55rem;line-height:1.6;color:var(--muted)}.bubble{position:relative;flex:1;background:var(--pale);border:1px solid var(--line);padding:22px 25px;border-radius:14px;margin-top:8px;min-width:0}.bubble:before{content:"";position:absolute;left:-7px;top:21px;width:12px;height:12px;background:var(--pale);border-left:1px solid var(--line);border-bottom:1px solid var(--line);transform:rotate(45deg)}.speaker-1 .bubble{background:white}.speaker-1 .bubble:before{left:auto;right:-7px;background:white;border:0;border-top:1px solid var(--line);border-right:1px solid var(--line)}.bubble p{margin:0;font-size:.92rem;line-height:1.95}.use-note{padding:23px 28px;background:var(--pale);border:1px solid var(--line);border-radius:8px;margin:35px 0}.use-note p:last-child{margin-bottom:0}.sources{font-size:.83rem;padding-left:20px}.sources li{margin:13px 0;overflow-wrap:anywhere}.guide-article ol{padding-left:24px}.guide-article li{padding-left:8px;margin:25px 0}.guide-article li h2{margin:25px 0 15px}.policy{max-width:860px;margin:auto;padding-top:30px}.policy h1{font-size:2rem;margin:15px 0 30px}.policy h2{font-size:1.25rem;margin-top:35px;padding-bottom:10px;border-bottom:1px solid var(--line)}footer{max-width:1180px;margin:70px auto 0;padding:35px 0;border-top:2px solid var(--color);font-size:.8rem}.footer-brand{font-size:1.2rem;font-weight:bold;text-decoration:none}footer nav{display:flex;flex-wrap:wrap;gap:12px 24px;font-size:.72rem;margin:25px 0}.notebook-margin .editor-note,.craft-side .editor-note{margin-top:25px}
@media(max-width:960px){.site-header{display:block}.site-header nav{margin-top:18px}.feature-card{grid-template-columns:1fr 1fr}.feature-media{padding:18px}.feature-copy{padding:25px}.feature-media .product-photo{height:300px}.team-card{padding:20px 14px}.portrait.large{width:98px}.support-grid{grid-template-columns:1fr 1fr}.editor-note{display:block}.editor-note .portrait{margin-bottom:12px}.photo-frame img{height:180px}footer{margin-left:30px;margin-right:30px}}
@media(max-width:700px){.topline{padding:6px 18px}.topline span:last-child{display:none}.site-header{padding:19px 18px}.brand{gap:10px}.brand img{width:36px}.brand strong{font-size:1.25rem}.brand small{font-size:.61rem}.site-header nav{gap:0;justify-content:space-between;font-size:.74rem;margin-top:12px}main{padding:0 18px}.intro{padding:32px 0 27px}.intro h1{font-size:2.2rem}.intro>p{font-size:.82rem}.feature-card{display:block}.feature-media{padding:17px}.feature-media .product-photo{height:auto;max-height:400px}.feature-copy{padding:18px 23px 27px}.feature-copy h2{font-size:1.35rem}.feature-copy>p{font-size:.85rem}.topic-nav{grid-template-columns:1fr;margin-bottom:24px}.topic-nav a{padding:11px 16px}.support-grid{display:block;margin-top:24px}.support-grid>*+*{margin-top:22px}.guidebox{padding:24px}.guidebox h2{font-size:1.2rem}.editor-note{display:flex;padding:20px;gap:12px}.editor-note .portrait{width:68px}.editor-note p{font-size:.8rem}.photo-section,.team-section{margin-top:40px}.section-title{align-items:start;gap:12px}.section-title h2{font-size:1.25rem}.section-title>a{font-size:.67rem;padding-top:25px}.photo-grid,.photo-grid:has(>.photo-card:last-child:nth-child(2)){grid-template-columns:1fr;gap:14px}.photo-card{display:grid;grid-template-columns:55% minmax(0,1fr);align-items:start}.photo-card .photo-copy{justify-content:flex-start;min-height:100%}.photo-frame{padding:10px}.photo-frame img{height:120px}.photo-copy{padding:15px;height:100%;display:flex;flex-direction:column;justify-content:center}.photo-copy .chip{align-self:flex-start;font-size:.57rem}.photo-copy h3{font-size:.86rem}.team-grid{grid-template-columns:1fr;gap:13px}.team-card{flex-direction:row;text-align:left;gap:18px;padding:19px}.team-card .role{margin-top:0}.team-card p{font-size:.76rem}.portrait.large{width:90px}.buy>div{display:grid;grid-template-columns:1fr 1fr}.buy a{text-align:center;padding:10px 8px;font-size:.66rem}.article h1{font-size:1.65rem}.article-header{padding:12px 0}.article .lead{font-size:.9rem}.article h2{font-size:1.15rem;padding:14px 18px;margin-top:34px}.article section>p{font-size:.91rem}.article>figure,.article section>figure{padding:15px;margin:25px 0}.specs{padding:4px 18px}.specs div{display:block;padding:12px 0}.specs dd{margin-top:5px;font-size:.86rem}.toc{padding:19px 22px;font-size:.8rem}.talk{gap:12px;margin:21px 0}.who{flex-basis:64px}.who .portrait{width:64px}.who strong{font-size:.62rem}.who small{font-size:.5rem}.bubble{padding:16px;border-radius:11px}.bubble p{font-size:.84rem}.use-note{padding:20px}.policy h1{font-size:1.65rem}.policy p{font-size:.9rem}footer{margin:45px 18px 0;padding:27px 0}.notebook-margin .editor-note,.craft-side .editor-note{margin-top:20px}}

.home-view .topline{display:none}.home-view .brand small{display:none}.home-view .site-header{padding-top:18px;padding-bottom:18px}.feed-heading{font-size:1.05rem;margin:18px 0 14px;line-height:1.6}.compact-feed .feature-card{display:grid;grid-template-columns:1.1fr 1fr;max-width:none;margin:0}.compact-feed .feature-media .product-photo{height:310px}.compact-feed .feature-copy{padding:22px 28px}.compact-feed .feature-copy h2{font-size:1.4rem;margin:12px 0}.compact-feed .feature-copy>p{font-size:.85rem}.compact-feed .fact-list{display:none}.compact-feed .topic-nav{max-width:none;margin:20px 0}.compact-feed .topic-nav a{padding:10px 15px}.compact-feed .photo-section{margin-top:30px}.compact-feed .support-grid{margin-top:36px}.detail-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:28px 0}.detail-gallery>figure{padding:14px;background:white;border:1px solid var(--line);border-radius:8px}.detail-gallery .product-photo{height:230px;object-fit:contain}
@media(max-width:700px){.home-view .site-header{padding:14px 18px}.home-view .site-header nav{margin-top:7px}.feed-heading{font-size:1rem;margin:14px 0 10px}.compact-feed .feature-card{display:block}.compact-feed .feature-media{padding:15px}.compact-feed .feature-media .product-photo{height:auto;max-height:300px}.compact-feed .feature-copy{padding:16px 20px 22px}.compact-feed .feature-copy h2{font-size:1.2rem}.compact-feed .topic-nav{display:flex;flex-wrap:wrap;gap:1px}.compact-feed .topic-nav a{flex:1 1 130px;padding:9px 12px;font-size:.75rem}.detail-gallery{grid-template-columns:1fr}.detail-gallery .product-photo{height:auto;max-height:340px}}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.intro{text-align:center;max-width:760px;margin:auto;padding:55px 0 38px}.intro h1{font-weight:500}.topic-nav{border-radius:30px}.topic-nav a{justify-content:center}.water-feature{padding:20px;background:var(--pale);border-radius:40px 40px 12px 12px}.feature-card{border:0;border-radius:24px;grid-template-columns:1fr 1fr}.feature-media .product-photo{height:345px}.guidebox,.editor-note{border-radius:22px}.photo-card{border-radius:20px}.photo-copy{background:var(--pale)}.team-card{border-radius:24px 24px 8px 8px;background:white}.article h2{border-radius:18px;border:0}.article h1{font-weight:600}@media(max-width:700px){.intro{padding:35px 0 30px}.water-feature{padding:10px;border-radius:24px}.feature-media .product-photo{height:auto}.topic-nav{border-radius:15px}}