/* Island life first. Existing routes and content are kept intact. */
:root{--ink:#193e43;--paper:#f8f7f2;--muted:#506765;--blue:#193e43;--red:#b95642;--accent-text:#963e2e;--sea:#e9efeb;--line:#d7dfd8;--serif:var(--sans)}
body{font-size:16px;line-height:1.6;color:var(--ink);background:var(--paper)}
h1,h2,h3{font-family:var(--sans);font-weight:600;line-height:1.45;letter-spacing:.025em}p{line-height:1.6}main:focus{outline:none}
.wrap{max-width:1200px;padding-inline:32px}.eyebrow{display:none}
.button,.text-link{font-size:16px;line-height:1.5;min-height:44px;gap:14px}.button{min-height:48px;padding:10px 18px;border-radius:7px;font-weight:500}.button.secondary{border-color:#748c7e;background:transparent}.button:hover{background:#2b5356}.button.secondary:hover{background:var(--sea)}.text-link{padding:8px 0;border-bottom-color:#748c7e;white-space:normal}.text-link:hover{color:var(--accent-text);border-color:var(--accent-text)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--accent-text);outline-offset:4px}
.site-header{max-width:1280px;height:94px;padding-inline:32px;gap:24px}.brand{gap:12px}.brand-logo{width:64px;height:64px;object-fit:contain;border-radius:4px;flex-shrink:0}.brand-tagline{font-size:16px;line-height:1.5;font-weight:500;letter-spacing:.02em}.desktop-nav{gap:20px;font-size:16px}.desktop-nav a{min-height:44px;padding:10px 0}.header-notebook{min-height:44px;padding:10px 14px;font-size:16px;gap:10px;border-color:#748c7e;border-radius:7px}
.hero{max-width:1280px;padding:40px 32px 28px;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:32px}.hero-copy{padding:0}.hero h1{font-size:clamp(36px,3.7vw,48px);font-weight:600;line-height:1.5;letter-spacing:.01em;white-space:normal;margin-bottom:20px}.hero h1 .accent:after{height:4px;background:#a9c2b9;bottom:7px}.hero-lead{font-size:16px;line-height:1.6;color:var(--muted);margin-bottom:24px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.hero-actions .button{font-size:16px;min-height:48px;padding:11px 18px}
.hero-photo{height:auto;aspect-ratio:16/10;padding:0;min-width:0}.hero-photo:before{content:none}.hero-photo>img{height:100%;width:100%;object-fit:cover;object-position:center;border-radius:12px}.photo-label{left:14px;bottom:14px;padding:6px 10px;font-size:14px;line-height:1.5;gap:6px;border-radius:5px;background:rgba(25,62,67,.96);color:#fff;text-shadow:none}.photo-label .icon{width:16px;height:16px}.hero-note{right:14px;top:14px;font-size:14px;line-height:1.5;writing-mode:horizontal-tb;letter-spacing:.03em;padding:7px 10px;border-radius:5px;color:var(--ink);background:rgba(248,247,242,.96)}
.hero-round{position:static;display:inline-flex;align-items:center;min-height:44px;width:auto;height:auto;border:0;border-bottom:1px solid #748c7e;border-radius:0;padding:8px 0;margin-top:10px;font-family:var(--sans);font-size:16px;font-weight:400;line-height:1.5;color:var(--muted);background:none;transform:none}.hero-round br{display:none}.hero-bottom{padding-top:0;grid-column:1/-1;font-size:14px;letter-spacing:.04em;color:var(--muted)}.hero-bottom span:last-child{display:none}.hero-bottom .rule{margin-right:0}
.news-line{max-width:1136px;padding:10.5px 0;margin:0 auto 9px;gap:16px;font-size:16px;line-height:1.6}.news-line .news-tag,.news-line span:last-child{display:none}
.section-heading{align-items:center;gap:20px;margin-bottom:22px}.section-heading h2{font-size:28px;font-weight:600;line-height:1.45;letter-spacing:.025em;margin-bottom:8px}.section-heading p{font-size:16px;line-height:1.6;color:var(--muted)}.section-heading .button{flex-shrink:0}
.featured-help{padding-top:21px;padding-bottom:27px}.featured-help:before{content:none}.activity-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}.activity-card{grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:20px;border-top:0;padding:0 0 20px;border-bottom:1px solid var(--line);align-items:start}.activity-card img{width:100%;height:auto;min-height:0;aspect-ratio:16/10;object-fit:cover;border-radius:9px}.activity-copy{min-width:0;padding:0}.activity-copy small{font-size:16px;line-height:1.5;color:var(--accent-text)}.activity-copy :is(h2,h3){font-size:20px;font-weight:600;line-height:1.5;margin:8px 0;letter-spacing:.01em}.activity-copy p{font-size:16px;line-height:1.6;color:var(--muted);margin-bottom:8px}.activity-copy .text-link{font-size:16px}
.explore-section{padding-top:18px;padding-bottom:30px}.ocean-map{position:relative;display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);min-height:0;border:1px solid #cedcd3;border-radius:12px;background:#e9efeb;overflow:hidden}.ocean-map:before,.ocean-map:after{content:none}.ocean-map-heading{z-index:1;padding:26px 0 24px 28px}.ocean-map-heading :is(h2,h3){font-size:26px;font-weight:500;line-height:1.5;margin-bottom:12px}.ocean-map-heading p{font-size:16px;line-height:1.6;color:var(--muted);margin-bottom:0}.map-key{display:flex;align-items:center;gap:9px;font-size:16px;line-height:1.6;margin-top:18px;color:var(--muted)}
.ocean-map-canvas{position:relative;width:100%;max-width:510px;justify-self:center;align-self:center;aspect-ratio:700/450;margin:12px 16px 36px 0;z-index:1}.sea-map{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;opacity:1}.island-map-link{position:absolute;display:flex;flex-direction:column;align-items:center;gap:4px;min-width:92px;padding:4px;font-size:14px;line-height:1.5;color:var(--accent-text);border-radius:6px;text-align:center}.map-stamp{display:flex;align-items:center;justify-content:center;min-height:44px;padding:7px 12px;font-size:16px;font-weight:600;color:var(--accent-text);background:#f8f7f2;border:1px solid var(--red);border-radius:8px;box-shadow:0 2px 0 #b9564214}.island-map-link:hover .map-stamp{background:#f1dfd7;transform:translateY(-2px)}.map-manabe{left:17%;top:54%}.map-miyako{left:63%;top:78%}.map-awashima{left:42%;top:31%}.ocean-map-note{display:none}
.area-heading{font-size:16px;font-weight:500;line-height:1.6;margin:20px 0 10px}.region-list{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;overflow:visible}.region-choice{display:inline-flex;flex:0 0 auto;justify-content:center;align-items:center;gap:0;min-width:44px;min-height:44px;padding:8px 16px;font-size:16px;font-weight:400;line-height:1.5;white-space:nowrap;color:var(--ink);background:transparent;border:1px solid #748c7e;border-radius:999px}.region-choice>span:last-child{display:none}.region-choice:hover{background:#e9efeb;border-color:var(--ink);color:var(--ink)}.region-choice.active{color:var(--accent-text);background:#f2e2da;border-color:var(--red);font-weight:600;box-shadow:inset 0 0 0 1px var(--red)}
.island-results{margin-top:22px}.results-title{font-size:16px;line-height:1.6;margin-bottom:14px;color:var(--muted)}.island-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:24px}.island-card{display:flex;flex-direction:column;min-height:0;border:0;border-radius:10px;background:#fff;overflow:hidden;box-shadow:0 1px 0 #193e4314}.island-card:hover{transform:translateY(-3px);box-shadow:0 5px 20px #193e4310}.island-image,.sea-illustration{position:relative;display:block;width:100%;min-height:0;height:auto;aspect-ratio:16/10}.island-image img{width:100%;height:100%;object-fit:cover}.island-image .photo-region,.sea-illustration .photo-region{position:absolute;left:12px;bottom:12px;padding:5px 9px;font-size:16px;line-height:1.5;color:#fff;background:rgba(25,62,67,.96);border-radius:5px;text-shadow:none}.sea-illustration{display:flex;align-items:center;justify-content:center;background:linear-gradient(150deg,#d9eae3,#a9ccc7 65%,#5c9299)}.sea-illustration .film-label{position:relative;width:44px;height:44px;display:flex;align-items:center;justify-content:center;color:#fff;background:var(--ink);border:1px solid var(--ink)}
.island-info{display:flex;flex-direction:column;align-items:stretch;padding:18px 20px}.status-tag{align-self:flex-start;padding:2px 7px;font-size:16px;font-weight:400;line-height:1.5;color:#35574c;border-color:#a2b8aa;border-radius:4px}.status-tag.intro{color:#506765;border-color:#b6c4ba}.island-title-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-top:8px}.island-info h3{margin:0;font-size:28px;font-weight:600;line-height:1.45;letter-spacing:.025em}.island-location{font-size:16px;line-height:1.5;color:var(--muted);white-space:nowrap}.island-info .roman{font-size:14px;letter-spacing:.08em;line-height:1.5;color:var(--muted);margin:4px 0 10px}.island-info p{font-size:16px;line-height:1.6;color:var(--ink);margin:0}.island-info .island-footer{display:none}
.gallery-section{padding:27px 0;background:#edf0e9;border-block:1px solid var(--line)}.gallery-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.post-card{border:0;border-radius:9px;background:#fff;box-shadow:0 1px 0 #193e4314}.post-image{aspect-ratio:4/5;background:#dfe7df}.post-image img,.post-image.landscape img{width:100%;height:100%;object-fit:contain;background:#dfe7df}.example-tag{top:10px;left:10px;padding:3px 8px;font-size:16px;line-height:1.5;color:var(--ink);background:#f8f7f2;border-radius:4px}.post-info{padding:14px 16px 16px}.post-meta{display:flex;flex-wrap:wrap;gap:6px 12px;font-size:16px;line-height:1.5;color:var(--muted);margin-bottom:8px}.post-info :is(h2,h3){font-size:16px;font-weight:500;line-height:1.6;margin:0}.gallery-note{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:20px}.gallery-note p{font-size:16px;line-height:1.6;color:var(--muted);margin:0}.gallery-note .button{flex-shrink:0}
.how-section{padding-top:28.5px;padding-bottom:28.5px}.how-layout{grid-template-columns:minmax(0,.8fr) minmax(0,1.8fr);gap:36px}.how-intro h2{font-size:26px;font-weight:600;line-height:1.5;letter-spacing:.025em;margin-bottom:16px}.how-intro p{font-size:16px;line-height:1.6;color:var(--muted)}.steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;padding-top:0}.step{padding-top:12px;border-color:#a2b8aa}.step-number{font-family:var(--sans);font-style:normal;font-size:14px;font-weight:500;color:var(--accent-text)}.step-symbol{height:48px}.step-symbol .icon{width:28px;height:28px}.step h3{font-size:20px;font-weight:600;line-height:1.5;letter-spacing:.01em;margin-bottom:12px}.step p{font-size:16px;line-height:1.6;color:var(--muted)}
.invitation{padding:21px 32px;border-radius:10px;margin-bottom:27px;background:var(--ink);color:#fff}.invitation h2{font-size:26px;font-weight:600;line-height:1.45;letter-spacing:.025em;margin-bottom:10px}.invitation p{font-size:16px;line-height:1.6;color:#e1e9e4;margin:0}.invitation .button{flex-shrink:0}
.site-footer{max-width:1280px;padding:21px 32px;gap:22px}.site-footer .brand-logo{width:80px;height:80px}.site-footer p{font-family:var(--sans);font-size:16px;line-height:1.6}.site-footer .footer-links{display:flex;align-content:start;flex-wrap:wrap;gap:4px 24px;font-size:16px}.footer-links a{display:inline-flex;align-items:center;min-height:44px}.operator{font-style:normal;text-align:right;line-height:1.6}.operator strong,.operator span{display:block}.operator strong{font-size:16px;font-weight:500}.operator span{font-size:16px;margin-top:8px}.site-footer small{grid-column:1/-1;text-align:left;font-size:14px;line-height:1.6;color:var(--muted)}.site-footer small span{font-size:14px;color:var(--accent-text)}
.page-top{padding-top:21px;padding-bottom:18px}.breadcrumb{font-size:16px;line-height:1.6;gap:8px;margin-bottom:22px}.breadcrumb a{display:inline-flex;align-items:center;min-height:44px}.page-top h1{font-size:36px;font-weight:600;letter-spacing:.025em;margin-bottom:12px}.page-top p{font-size:16px;line-height:1.6;color:var(--muted)}.page-body{padding-bottom:33px}.page-tools{margin-bottom:20px}.page-tools .button{font-size:16px}.filters{gap:8px}.chip{min-width:44px;min-height:44px;padding:8px 16px;font-size:16px;line-height:1.5;border-color:#748c7e}.chip.active{background:var(--ink);color:#fff}.page-body .gallery-grid{margin-top:20px}
.notice,.page-body .notice{font-size:16px;line-height:1.6;padding:14px 16px;color:#35574c;background:#e9eee5;border-color:#7a9683;margin-bottom:20px}.gallery-empty,.empty-state{border-color:#91a797;background:#edf0e9;border-radius:9px}.gallery-empty{padding:30px 20px}.empty-state{padding:34px 24px}.empty-state h2{font-size:27px;font-weight:600}.empty-state p{font-size:16px;line-height:1.6;color:var(--muted)}.empty-state .button{font-size:16px}
.island-hero{grid-template-columns:minmax(0,1fr) minmax(0,1fr);border:0;border-radius:10px;background:#fff;margin-bottom:24px}.island-hero-copy{padding:26px}.island-hero h1{font-size:42px;font-weight:600;line-height:1.4;letter-spacing:.025em}.island-hero h2{font-size:24px;font-weight:500;line-height:1.5}.island-hero .roman{font-size:16px;line-height:1.5;letter-spacing:.04em;color:var(--muted);margin-bottom:20px}.island-hero p{font-size:16px;line-height:1.6;color:var(--muted)}.island-hero>img{height:100%;min-height:320px;object-fit:cover}.island-hero>.sea-illustration{height:100%;min-height:320px;aspect-ratio:auto}.island-tabs{gap:24px;margin-bottom:24px}.island-tabs a{display:inline-flex;align-items:center;min-height:48px;padding:8px 0;font-size:16px;line-height:1.5}.subsection{margin:22.5px 0}.subsection h2,.prose h2{font-size:26px;font-weight:600;letter-spacing:.025em}.media-feature{gap:20px}.media-feature img{aspect-ratio:16/10;border-radius:9px}.media-feature figcaption{font-size:16px;line-height:1.6;color:var(--muted)}
.video-cover{border-radius:10px}.video-cover h3{font-size:26px;font-weight:600}.video-cover p{font-size:16px;line-height:1.6;color:#e1e9e4}.video-cover .play{width:52px;height:52px;border-color:#e1e9e4}.video-frame,.island-film video{width:100%;aspect-ratio:16/9;display:block;background:var(--ink);border-radius:10px}.island-film{margin-top:30px}.island-film h3{font-size:24px;margin-bottom:14px}
.detail-layout{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);border:0;border-radius:10px}.detail-photo{padding:16px;background:#dfe7df}.detail-copy{padding:28px}.detail-copy h1{font-size:28px;font-weight:600;line-height:1.5;letter-spacing:.025em}.detail-copy p{font-size:16px;line-height:1.6;color:var(--muted)}.detail-copy .meta-row,.detail-copy .example-note{font-size:16px;line-height:1.6;color:var(--muted)}.detail-actions .button{font-size:16px}.tag{font-size:16px;line-height:1.5;color:var(--ink);background:#e9efeb}
.form-card{padding:28px;border-radius:10px}.form-field{margin-bottom:22px}.form-field label{font-size:16px;font-weight:500}.form-field input,.form-field textarea,.form-field select{font-size:16px;line-height:1.6;min-height:48px;padding:10px 12px;border-color:#748c7e;border-radius:6px}input::placeholder,textarea::placeholder{color:#62736c;opacity:1}.form-field .hint,.form-footer p{font-size:16px;line-height:1.6;color:var(--muted)}.upload-zone{min-height:220px;padding:20px;background:#f3f5ef;border-color:#748c7e;border-radius:8px}.upload-zone span{font-size:16px}.upload-zone small{font-size:16px;line-height:1.6;color:var(--muted)}.check-label{font-size:16px;line-height:1.6;gap:12px}.check-label input{width:24px;height:24px;margin-top:3px;flex-shrink:0}.form-footer{gap:20px}.form-footer .button{font-size:16px}
.account-item{gap:20px}.account-item h2{font-size:20px;font-weight:500}.account-item p,.account-item .text-link{font-size:16px;line-height:1.6}.account-item .tag{font-size:16px;white-space:nowrap}.notebook-preview{padding:26px;max-width:600px}.notebook-title{font-family:var(--sans);font-size:24px}.notebook-cards{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.notebook-card img{height:auto;aspect-ratio:3/4;object-fit:contain}.notebook-card span{font-size:16px;line-height:1.5}.preview-caption,.prose .updated{font-size:16px;line-height:1.6;color:var(--muted)}.about-intro{font-size:28px;font-weight:500;line-height:1.5;letter-spacing:.025em}.prose,.prose p{font-size:16px;line-height:1.6}.prose h2{margin-top:30px}.prose a,.back-link{min-height:44px;font-size:16px}.progress-path{font-size:16px;line-height:1.6;color:var(--muted)}.progress-path strong{color:var(--accent-text)}dialog{padding:32px;border-radius:10px}dialog h2{font-size:26px;font-weight:600;line-height:1.45}dialog p{font-size:16px;line-height:1.6;color:var(--muted)}.dialog-close{width:44px;height:44px;right:8px;top:8px}.toast{font-size:16px;line-height:1.6}
@media(max-width:1100px){
 .desktop-nav{display:none}body{padding-bottom:calc(84px + env(safe-area-inset-bottom))}
 .mobile-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px;min-height:80px;padding:6px 8px calc(6px + env(safe-area-inset-bottom));background:rgba(248,247,242,.98);border-top:1px solid #bdccc1;backdrop-filter:blur(12px);position:fixed;inset:auto 0 0;z-index:20}
 .mobile-nav a{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:44px;min-height:68px;padding:3px 2px;gap:4px;font-size:14px;font-weight:400;line-height:1.35;text-align:center;color:#435f5d;border-radius:6px}.mobile-nav a.active{color:var(--accent-text);background:transparent;font-weight:600}.mobile-nav a.active:before{content:'';position:absolute;top:0;width:24px;height:3px;background:var(--red);border-radius:3px}.mobile-nav .icon{width:23px;height:23px;stroke-width:1.6}.nav-label{display:block}.toast{bottom:calc(96px + env(safe-area-inset-bottom))}
 .hero{gap:24px}.hero h1{font-size:36px}.how-layout{grid-template-columns:1fr;gap:20px}.how-intro h2 br,.how-intro p br{display:none}.ocean-map-heading{padding:24px 0 20px 22px}.ocean-map-heading :is(h2,h3){font-size:24px}.ocean-map-canvas{margin-right:0}.map-miyako{left:60%}
}
@media(max-width:900px){
 .activity-grid{gap:20px}.activity-card{grid-template-columns:1fr;gap:14px}.activity-card img{aspect-ratio:16/10}.ocean-map{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr)}.map-key{align-items:flex-start}.map-key .pin-dot{margin-top:9px;flex-shrink:0}.ocean-map-heading :is(h2,h3){font-size:24px}.island-map-link{min-width:84px}.map-stamp{font-size:16px}.section-heading{align-items:flex-start}.section-heading .button{font-size:16px}.island-card{min-height:0}.island-info{padding:16px}.island-title-row{flex-wrap:wrap;gap:2px 12px}.detail-layout{display:block}.detail-photo img{max-height:78vh}
}
@media(max-width:760px){
 .wrap{padding-inline:16px}.site-header{height:80px;padding-inline:16px;gap:16px}.brand-logo{width:58px;height:58px}.site-header .brand-tagline{display:none}.header-notebook{min-height:44px;font-size:16px;padding:9px 12px;gap:8px}.header-notebook .icon{width:19px;height:19px}
 .hero{display:grid;grid-template-columns:minmax(0,1fr);gap:18px;padding:24px 16px 20px;align-items:stretch}.hero-copy{display:contents}.hero h1{order:1;font-size:32px;font-weight:600;line-height:1.45;margin:0}.hero-photo{order:2;margin:0;padding:0;aspect-ratio:16/10;height:auto}.hero-photo>img{border-radius:10px}.hero-lead{order:3;font-size:16px;line-height:1.6;margin:0}.hero-actions{order:4;display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:10px;max-width:none}.hero-actions .button{font-size:16px;min-height:48px;padding:10px 12px;gap:8px;justify-content:space-between}.hero-round{order:5;justify-self:start;margin-top:0;font-size:16px;min-height:44px}.hero-bottom{order:6;padding:0;gap:10px;font-size:14px;line-height:1.5;letter-spacing:.02em}.hero-bottom .rule{margin:0}.hero-note{top:10px;right:10px;font-size:14px;padding:5px 8px;letter-spacing:0}.photo-label{left:10px;bottom:10px;font-size:14px;padding:5px 8px}
 .news-line{margin:0 16px 3px;padding:9px 0;font-size:16px;line-height:1.6}.news-line a{min-height:44px;display:flex;align-items:center}.section-heading{flex-direction:row;flex-wrap:wrap;align-items:flex-start;gap:14px 20px;margin-bottom:18px}.section-heading h2{font-size:24px;line-height:1.45;margin-bottom:8px}.section-heading p{font-size:16px;line-height:1.6}.section-heading .button,.section-heading .text-link{align-self:flex-start}.featured-help{padding-top:18px;padding-bottom:19.5px}.featured-help .section-heading .button{width:auto;min-height:44px;padding:9px 14px}
 .activity-grid{grid-template-columns:1fr;gap:22px}.activity-card{display:grid;grid-template-columns:minmax(0,1fr);gap:12px;padding-bottom:20px}.activity-card img{aspect-ratio:16/10;height:auto;min-height:0;border-radius:8px}.activity-copy :is(h2,h3){font-size:20px;line-height:1.5;margin:7px 0}.activity-copy p,.activity-copy small,.activity-copy .text-link{font-size:16px;line-height:1.6}.activity-copy .text-link{min-height:44px}
 .explore-section{padding-top:15px;padding-bottom:22.5px}.ocean-map{display:block;border-radius:10px}.ocean-map-heading{padding:18px 18px 0}.ocean-map-heading :is(h2,h3){font-size:24px;line-height:1.5;margin-bottom:10px}.ocean-map-heading :is(h2,h3) br,.ocean-map-heading p br{display:none}.ocean-map-heading p{font-size:16px;line-height:1.6}.map-key{margin-top:12px;font-size:16px;align-items:center}.map-key .pin-dot{margin-top:0}.ocean-map-canvas{margin:8px 0 54px;width:100%;aspect-ratio:700/450}.map-manabe{left:8%;top:53%}.map-miyako{left:60%;top:78%}.map-awashima{left:39%;top:18%}.map-stamp{min-height:44px;font-size:16px;padding:7px 11px}.island-map-link{font-size:14px;min-width:88px}.area-heading{font-size:16px;margin:18px 0 10px}.region-list{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;overflow:visible}.region-choice{min-height:44px;min-width:44px;padding:8px 14px;font-size:16px;border-radius:999px}.results-title{font-size:16px;margin-bottom:12px;gap:10px}.island-grid{grid-template-columns:1fr;gap:20px}.island-card{display:flex}.island-image,.sea-illustration{height:auto;aspect-ratio:16/10;min-height:0}.island-info{padding:16px}.island-info h3{font-size:28px}.island-title-row{flex-wrap:nowrap;gap:10px}.island-info .roman{margin:4px 0 8px;font-size:14px}.island-info p{font-size:16px;line-height:1.6}.island-location,.status-tag{font-size:16px}
 .gallery-section{padding:21px 0}.gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 12px}.gallery-grid .post-card:last-child:nth-child(odd){grid-column:auto}.post-image{aspect-ratio:4/5}.post-info{padding:12px}.post-info :is(h2,h3){font-size:16px;line-height:1.6}.post-meta{font-size:16px;line-height:1.5;gap:4px 8px;margin-bottom:6px}.example-tag{font-size:16px;top:8px;left:8px;padding:3px 6px}.gallery-note{align-items:flex-start;gap:16px;margin-top:18px;flex-direction:column}.gallery-note p{font-size:16px;line-height:1.6}.gallery-note .button{min-height:48px;font-size:16px;align-self:flex-start}
 .how-section{padding:21px 16px}.how-layout{display:block}.how-intro h2{font-size:24px;line-height:1.5;margin-bottom:12px}.how-intro h2 br,.how-intro p br{display:none}.how-intro p{font-size:16px;line-height:1.6;margin-bottom:10px}.steps{display:grid;grid-template-columns:1fr;gap:18px;margin-top:22px}.step{position:relative;padding:12px 0 0 56px}.step-number{font-size:14px;line-height:1.5}.step-symbol{position:absolute;left:2px;top:18px;height:34px}.step-symbol .icon{width:30px;height:30px}.step h3{font-size:20px;line-height:1.5;margin:7px 0}.step p{font-size:16px;line-height:1.6;margin:0}.invitation{display:block;padding:18px;margin-bottom:21px}.invitation h2{font-size:24px;line-height:1.45}.invitation p{font-size:16px;line-height:1.6;margin-bottom:18px}.invitation .button{width:auto;min-height:48px;font-size:16px}
 .site-footer{grid-template-columns:1fr;padding:18px 16px;gap:18px}.site-footer .brand-logo{width:72px;height:72px}.site-footer .brand-tagline,.site-footer p{font-size:16px;line-height:1.6;text-align:left}.site-footer .footer-links{gap:2px 20px;font-size:16px}.operator{text-align:left}.operator strong{font-size:16px}.operator span{font-size:16px;line-height:1.6}.site-footer small{font-size:14px;line-height:1.6}.site-footer small span{display:block;margin:6px 0 0}
 .page-top{padding-top:15px;padding-bottom:15px}.breadcrumb{font-size:16px;line-height:1.6;gap:6px;margin-bottom:16px}.page-top h1{font-size:28px}.page-top p{font-size:16px;line-height:1.6}.page-body{padding-bottom:24px}.page-tools{gap:14px}.page-tools .button{font-size:16px;min-height:48px}.page-body .notice{font-size:16px;padding:14px}.island-hero{display:flex;flex-direction:column}.island-hero>img,.island-hero>.sea-illustration{order:0;width:100%;height:auto;min-height:0;aspect-ratio:16/10}.island-hero-copy{order:1;padding:20px}.island-hero h1{font-size:38px}.island-hero h2{font-size:24px;line-height:1.5}.island-hero p{font-size:16px;line-height:1.6}.island-hero .roman{font-size:16px;line-height:1.5;margin-bottom:16px}.island-tabs{gap:20px;margin-bottom:24px}.island-tabs a{font-size:16px;min-height:48px}.subsection{margin:19.5px 0}.subsection h2,.prose h2{font-size:24px}.media-feature{grid-template-columns:1fr;gap:20px}.media-feature figcaption{font-size:16px;line-height:1.6}.detail-copy{padding:22px 20px}.detail-copy h1{font-size:27px;line-height:1.5}.detail-copy p{font-size:16px;line-height:1.6}.detail-copy .meta-row,.detail-copy .example-note{font-size:16px;line-height:1.6}.detail-actions{flex-direction:column;gap:10px}.detail-actions .button{font-size:16px;min-height:48px}
 .form-card{padding:22px 18px}.form-field label{font-size:16px}.form-field input,.form-field textarea,.form-field select{font-size:16px;min-height:48px}.form-field .hint,.form-footer p,.check-label,.upload-zone small{font-size:16px;line-height:1.6}.upload-zone span{font-size:16px}.form-footer{flex-direction:column;align-items:stretch;gap:14px}.form-footer .button{font-size:16px;width:100%;min-height:48px}.account-item{align-items:flex-start;gap:16px}.account-item h2{font-size:20px}.account-item p,.account-item .text-link{font-size:16px;line-height:1.6}.account-item .tag{font-size:16px}.empty-state{padding:28px 20px}.empty-state h2{font-size:24px}.empty-state p,.empty-state .button{font-size:16px}.empty-state .button{min-height:48px}.notebook-preview{padding:24px 18px}.notebook-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.notebook-card{max-width:none;width:100%;margin:0}.notebook-card img{height:auto;aspect-ratio:3/4}.notebook-card span{font-size:16px}.preview-caption{font-size:16px;line-height:1.6}.about-intro{font-size:26px}.prose,.prose p{font-size:16px;line-height:1.6}.progress-path{font-size:16px;line-height:1.6}.video-cover h3{font-size:24px}.video-cover p{font-size:16px;line-height:1.6}dialog{padding:28px 22px}dialog h2{font-size:24px}dialog p{font-size:16px;line-height:1.6}.toast{font-size:16px}
}
@media(max-width:350px){.hero h1{font-size:28px}.hero-actions{grid-template-columns:1fr}.gallery-grid{grid-template-columns:1fr}.island-title-row{flex-wrap:wrap}.region-choice{padding-inline:12px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* Solid caption surfaces keep text contrast independent of the photo. */
.photo-label,.island-image .photo-region,.sea-illustration .photo-region{background:#193e43;color:#fff}
.hero-note,.mobile-nav{background:#f8f7f2;backdrop-filter:none}
.island-map-link>span:last-child{background:#f8f7f2;padding:2px 4px;border-radius:3px;color:#963e2e}

/* Video introduction must grow with its text, including at phone widths. */
.video-cover{aspect-ratio:auto;min-height:270px;padding:24px}
.video-cover>div{width:100%;max-width:720px}
.video-cover h3{margin:12px 0;line-height:1.45}
.video-cover p{margin:0;line-height:1.6}
.video-cover .play{margin:0 auto 12px;flex-shrink:0}

/* Standard service scale: readable content without oversized control panels. */
body{font-size:16px;line-height:1.6}
.button,.hero-actions .button,.section-heading .button,.page-tools .button,.detail-actions .button,.form-footer .button,.gallery-note .button,.invitation .button,.empty-state .button{font-size:16px;min-height:44px;line-height:1.5;padding:10px 16px}
.text-link,.activity-copy .text-link,.account-item .text-link,.prose a,.back-link{font-size:15px;min-height:44px;line-height:1.5}
.region-choice,.chip{font-size:15px;min-width:44px;min-height:44px;padding:7px 12px;line-height:1.5}
.region-list{gap:8px}
.header-notebook{font-size:15px;min-height:44px;padding:9px 12px}
.desktop-nav{font-size:16px}
.hero-round{font-size:15px}
.news-line,.section-heading p,.activity-copy small,.activity-copy p,.status-tag,.island-location,.island-info .roman,.island-image .photo-region,.sea-illustration .photo-region,.post-meta,.example-tag,.gallery-note p,.results-title,.map-key,.notice,.page-body .notice,.media-feature figcaption,.preview-caption,.detail-copy .meta-row,.detail-copy .example-note,.form-field .hint,.form-footer p,.check-label,.upload-zone small,.account-item p,.operator span,.site-footer .footer-links,.breadcrumb,.progress-path,.video-cover p{font-size:14px;line-height:1.6}
.section-heading h2,.subsection h2,.prose h2{font-size:26px;line-height:1.5}
.how-intro h2,.invitation h2{font-size:26px;line-height:1.5}
.island-info h3{font-size:26px}
.form-field label,.form-field input,.form-field textarea,.form-field select,.upload-zone span{font-size:16px;line-height:1.6}
.form-field input,.form-field select{min-height:44px}
@media(max-width:1100px){
 body{padding-bottom:calc(76px + env(safe-area-inset-bottom))}
 .mobile-nav{min-height:72px;padding:4px 8px calc(4px + env(safe-area-inset-bottom))}
 .mobile-nav a{min-height:60px;gap:2px;padding:0 2px;font-size:14px;line-height:1.5}
 .mobile-nav .icon{width:20px;height:20px}
 .toast{bottom:calc(88px + env(safe-area-inset-bottom))}
}
@media(max-width:760px){
 .site-header{height:72px}.brand-logo{width:52px;height:52px}
 .hero{gap:14px;padding-top:18px;padding-bottom:15px}
 .hero-actions .button{font-size:16px;min-height:44px;padding:10px 12px}
 .section-heading h2,.subsection h2,.prose h2{font-size:24px}
 .how-intro h2,.invitation h2{font-size:24px}
 .activity-grid{gap:18px}.island-grid{gap:16px}
 .section-heading{margin-bottom:14px}
 .island-info{padding:14px 16px}
 .site-footer p,.operator strong,.site-footer .brand-tagline{font-size:16px;line-height:1.6}
}

/* Compact navigation with an explicit device preference and unobstructed video. */
.header-actions{display:flex;align-items:center;gap:8px}
.nav-visibility-toggle{display:none;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:6px 8px;background:transparent;color:var(--ink);border:0;border-radius:6px;font-size:13px;line-height:1.4}
.nav-visibility-toggle .icon{width:18px;height:18px}
.site-header{height:80px}.site-header .brand-logo{width:52px;height:52px}
.header-notebook{border:0;padding:8px 10px;font-size:14px;min-height:44px}
.hero-actions .button{font-size:15px;min-height:44px;padding:9px 14px;gap:12px}
.display-settings{margin:24px 0;padding:20px 0;border-block:1px solid var(--line)}
.display-settings h2{font-size:20px;margin-bottom:16px}
.display-setting-row{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:16px}
.display-settings p{font-size:14px;line-height:1.6;color:var(--muted);margin:12px 0 0}
.navigation-switch{display:inline-flex;align-items:center;gap:10px;min-height:44px;min-width:110px;padding:6px 8px;background:transparent;border-radius:6px;font-size:14px}
.switch-indicator{width:36px;height:22px;border-radius:20px;background:#7b8980;position:relative}
.switch-indicator:after{content:'';width:16px;height:16px;border-radius:50%;background:white;position:absolute;left:3px;top:3px;transition:transform .15s}
.navigation-switch[aria-checked=true] .switch-indicator{background:var(--ink)}
.navigation-switch[aria-checked=true] .switch-indicator:after{transform:translateX(14px)}
@media(max-width:1100px){
 .nav-visibility-toggle{display:inline-flex}
 body{padding-bottom:calc(60px + env(safe-area-inset-bottom))}
 .mobile-nav{min-height:56px;padding:3px 8px calc(3px + env(safe-area-inset-bottom))}
 .mobile-nav a{min-height:50px;padding:0 2px;gap:2px;font-size:12px;line-height:1.25}
 .mobile-nav .icon{width:18px;height:18px}
 .toast{bottom:calc(72px + env(safe-area-inset-bottom))}
 body.bottom-nav-hidden,body.video-viewing,body.fullscreen-viewing{padding-bottom:0}
 body.bottom-nav-hidden .mobile-nav,body.video-viewing .mobile-nav,body.fullscreen-viewing .mobile-nav{display:none}
 body.bottom-nav-hidden .toast,body.video-viewing .toast{bottom:20px}
}
@media(max-width:760px){
 .site-header{height:64px;padding-inline:16px;gap:8px}
 .site-header .brand-logo{width:44px;height:44px}
 .header-notebook{width:44px;min-height:44px;justify-content:center;padding:8px}
 .header-notebook>span:not([data-icon]){display:none}
 .header-notebook .icon{width:20px;height:20px}
 .hero-actions{display:flex;flex-wrap:wrap;justify-content:flex-start;gap:10px}
 .hero-actions .button{flex:0 0 auto;font-size:15px;min-height:44px;padding:9px 14px;gap:12px}
}
@media(orientation:landscape) and (max-height:550px) and (max-width:1100px){
 body{padding-bottom:0}
 .mobile-nav,.nav-visibility-toggle{display:none}
 .site-header{height:52px}
 .site-header .brand-logo{width:40px;height:40px}
 body.video-viewing .site-header,body.fullscreen-viewing .site-header{display:none}
 .video-frame,.island-film video{max-height:100dvh;object-fit:contain}
}

/* Browser-tested application shell; service information stays in About. */
.site-header{position:sticky;top:0;z-index:25;background:var(--paper);height:64px}
.site-header .brand-logo{width:44px;height:44px}
.site-footer{display:none}
body.information-page .site-footer{display:grid}
.app-home{max-width:1120px;padding-top:20px;padding-bottom:24px}
.app-home-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}
.app-home-heading h1{font-size:24px;line-height:1.4;margin:0 0 6px}
.app-home-heading p{font-size:14px;color:var(--muted);line-height:1.5;margin:0}
.app-post-action{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:8px 12px;border:1px solid #748c7e;border-radius:8px;font-size:14px;white-space:nowrap}
.app-post-action .icon{width:18px;height:18px}
.app-section{margin-bottom:24px}
.app-home .section-heading{margin-bottom:12px;align-items:center;gap:12px;flex-wrap:nowrap}
.app-home .section-heading h2{font-size:20px;line-height:1.4;margin:0}
.app-home .section-heading .text-link{font-size:14px;white-space:nowrap;min-height:44px;border:0;padding:8px 0}
.app-home .island-info{padding:12px 14px}
.app-home .island-info h3{font-size:22px}
.app-home .island-info p{font-size:14px;line-height:1.5}
.app-home .island-info .roman{font-size:12px;margin:3px 0 8px}
.app-home .status-tag{font-size:12px;border:0;background:var(--sea);padding:2px 6px}
.app-home .island-location{font-size:13px}
.app-home .post-meta{font-size:13px}
.app-home .post-info :is(h2,h3){font-size:15px}
.app-help .activity-card{grid-template-columns:112px minmax(0,1fr);gap:14px;padding-bottom:12px}
.app-help .activity-card img{width:112px;aspect-ratio:4/3;border-radius:8px}
.app-help .activity-copy :is(h2,h3){font-size:17px;margin:4px 0;line-height:1.5}
.app-help .activity-copy small,.app-help .activity-copy p{font-size:13px;line-height:1.5}
.app-help .activity-copy .text-link{font-size:14px;padding:4px 0;min-height:36px}
.app-example-note{font-size:13px;line-height:1.5;color:var(--muted);margin:12px 0 0}
.app-support-links{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:24px;border-top:1px solid var(--line);padding-top:12px;font-size:14px}
.app-support-links a{display:inline-flex;align-items:center;min-height:44px}
@media(max-width:760px){
 .site-header{height:60px}
 .app-home{padding-top:16px}
 .app-home-heading{margin-bottom:14px;gap:12px}
 .app-home-heading h1{font-size:22px}
 .app-home-heading p{font-size:13px}
 .app-home .section-heading h2{font-size:18px}
 .app-island-rail{display:grid;grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:min(78vw,320px);gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;overscroll-behavior-inline:contain;margin-inline:-16px;padding-inline:16px;padding-bottom:4px;scrollbar-width:thin}
 .app-island-rail .island-card{scroll-snap-align:start}
 .app-help .activity-grid{gap:14px}
 .app-help .activity-card{grid-template-columns:96px minmax(0,1fr);gap:12px}
 .app-help .activity-card img{width:96px;aspect-ratio:4/3}
 .app-home .gallery-grid{gap:12px}
 .app-home .post-info{padding:10px}
 .app-home .example-tag{font-size:12px}
 .app-section{margin-bottom:20px}
}
@media(orientation:landscape) and (max-height:550px) and (max-width:1100px){
 .site-header{height:52px}
 body.video-viewing .site-header,body.fullscreen-viewing .site-header{display:none}
}
@media(max-width:1100px){
 .mobile-nav a>[data-icon]{display:flex;align-items:center;justify-content:center;width:18px;height:18px;line-height:1;flex:0 0 18px}
 .mobile-nav a .icon{width:18px;height:18px}
}

/* Phone-only refinement. Desktop presentation intentionally remains unchanged. */
.nav-label-short{display:none}
@media(max-width:760px){
 .site-header{height:56px;padding-inline:16px;border-bottom-color:#e5e8e0}
 .site-header .brand{gap:9px}
 .site-header .brand-logo{width:36px;height:36px}
 .site-header .brand:after{content:'SHIMAFUDA';font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--ink)}
 .header-actions{gap:2px}
 .nav-visibility-toggle,.header-notebook{width:44px;min-width:44px;height:44px;min-height:44px;padding:0;display:inline-flex;align-items:center;justify-content:center;border:0;background:transparent;border-radius:50%}
 .nav-visibility-toggle>[data-icon]{display:flex;align-items:center;justify-content:center;width:20px;height:20px}
 .nav-visibility-toggle .icon,.header-notebook .icon{width:20px;height:20px;stroke-width:1.6}
 .nav-visibility-toggle[aria-pressed=true]{background:#e9efeb}
 .nav-visibility-toggle [data-nav-toggle-label],.nav-label-full{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}
 .nav-label-short{display:inline}
 .app-home{padding-top:16px}
 .app-home-heading{margin-bottom:12px;gap:12px}
 .app-home-heading h1{font-size:23px;line-height:1.4;letter-spacing:.015em;margin:0}
 .app-home-heading p{display:none}
 .app-post-action{min-height:40px;height:40px;padding:8px 12px;background:var(--ink);border:0;border-radius:999px;color:white;font-size:13px;gap:5px}
 .app-post-action .icon{width:16px;height:16px}
 .app-home .section-heading{margin-bottom:12px;gap:10px;min-height:40px}
 .app-home .section-heading h2{font-size:18px;font-weight:600;letter-spacing:.015em}
 .app-home .section-heading .text-link{font-size:13px;color:var(--muted);gap:6px;min-height:40px;padding:6px 0}
 .app-home .section-heading .text-link>span[aria-hidden]{display:none}
 .app-home .section-heading .text-link:after{content:'›';font-size:20px;line-height:1}
 .app-island-rail{width:calc(100% + 32px);margin:0 -16px;padding:0 16px 8px;grid-auto-columns:min(82vw,328px);gap:12px;scrollbar-width:none}
 .app-island-rail::-webkit-scrollbar{display:none}
 .app-island-rail .island-card{position:relative;display:block;aspect-ratio:5/4;border:0;border-radius:18px;overflow:hidden;box-shadow:0 6px 16px #193e4310;background:#193e43}
 .app-island-rail .island-image,.app-island-rail .sea-illustration{width:100%;height:100%;aspect-ratio:auto;position:absolute;inset:0}
 .app-island-rail .island-image img{object-fit:cover;object-position:center}
 .app-island-rail .island-image:after,.app-island-rail .sea-illustration:after{content:'';position:absolute;inset:0;width:auto;height:auto;border:0;border-radius:0;transform:none;background:linear-gradient(180deg,#0d242b00 28%,#0d242b30 48%,#0d242bd9 100%);pointer-events:none}
 .app-island-rail .island-image .photo-region,.app-island-rail .sea-illustration .photo-region{display:none}
 .app-island-rail .island-info{position:absolute;inset:auto 0 0;padding:16px;z-index:1;color:white;background:transparent}
 .app-island-rail .status-tag,.app-island-rail .roman{display:none}
 .app-island-rail .island-title-row{align-items:baseline;margin:0 0 5px;gap:10px}
 .app-island-rail .island-info h3{font-size:26px;font-weight:600;line-height:1.4;color:white;letter-spacing:.02em}
 .app-island-rail .island-location{font-size:12px;color:#f0f5f2}
 .app-island-rail .island-info p{padding-right:32px;font-size:13px;line-height:1.5;color:#f0f5f2}
 .app-island-rail .island-card:after{content:'↗';position:absolute;right:16px;bottom:16px;width:26px;height:26px;border-radius:50%;background:#ffffff24;color:white;display:flex;align-items:center;justify-content:center;font-size:16px;z-index:2;pointer-events:none}
 .app-section{margin-bottom:20px}
 .app-help .activity-grid{gap:0;padding:0 14px;border:1px solid #e4e9e1;border-radius:16px;background:white}
 .app-help .activity-card{position:relative;grid-template-columns:76px minmax(0,1fr);gap:12px;margin:0;padding:14px 0;border-bottom:1px solid #e8ece5;align-items:center;min-height:104px}
 .app-help .activity-card:last-child{border-bottom:0}
 .app-help .activity-card img{width:76px;height:76px;aspect-ratio:1;object-fit:cover;border-radius:11px}
 .app-help .activity-copy{padding-right:18px}
 .app-help .activity-copy :is(h2,h3){font-size:15px;font-weight:600;line-height:1.5;margin:4px 0}
 .app-help .activity-copy small{font-size:11px;line-height:1.5;color:var(--accent-text)}
 .app-help .activity-copy p{font-size:12px;line-height:1.5;margin:0;color:var(--muted)}
 .app-help .activity-copy .text-link{position:absolute;inset:0;padding:0;border:0;border-radius:14px;min-height:0;height:auto;font-size:0;color:transparent}
 .app-help .activity-copy .text-link:after{content:'›';position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:22px;line-height:1;color:#61796f}
 .app-home .gallery-grid{gap:12px}
 .app-home .post-card{border:1px solid #e4e9e1;border-radius:14px;box-shadow:none;background:#fff}
 .app-home .post-image{background:#e7ede5}
 .app-home .post-info{padding:10px}
 .app-home .post-meta{font-size:12px;line-height:1.4;margin-bottom:5px;color:var(--muted)}
 .app-home .post-info :is(h2,h3){font-size:14px;font-weight:500;line-height:1.5}
 body{padding-bottom:calc(56px + env(safe-area-inset-bottom))}
 .mobile-nav{min-height:52px;padding:3px 8px calc(3px + env(safe-area-inset-bottom));border-top-color:#e2e7de}
 .mobile-nav a{min-height:46px;gap:3px;font-size:12px;line-height:1.3}
 .mobile-nav a.active:before{content:none}
 .mobile-nav a.active{color:var(--accent-text);font-weight:600}
 .mobile-nav a>[data-icon]{width:18px;height:18px;flex:0 0 18px}
 .mobile-nav a .icon{width:18px;height:18px}
}
@media(orientation:landscape) and (max-height:550px) and (max-width:1100px){
 body{padding-bottom:0}.mobile-nav,.nav-visibility-toggle{display:none}
 body.video-viewing .site-header,body.fullscreen-viewing .site-header{display:none}
}
@media(max-width:760px){
 .app-post-action{min-height:44px;height:44px}
 .app-home .section-heading .text-link{min-height:44px}
 .app-island-rail .island-image:after,.app-island-rail .sea-illustration:after{background:linear-gradient(180deg,#0d242b00 0%,#0d242b0d 20%,#0d242b59 35%,#0d242bc7 54%,#0d242beb 100%)}
}
@media(max-width:760px){
 .app-island-rail{scroll-padding-inline:16px}
 .app-island-rail .island-image:after,.app-island-rail .sea-illustration:after{background:linear-gradient(180deg,#0d242b00 0%,#0d242b00 40%,#0d242b47 55%,#0d242bb3 74%,#0d242beb 100%)}
 .page-top{padding-top:16px;padding-bottom:14px}
 .page-top h1{font-size:24px;font-weight:600;line-height:1.4;margin-bottom:6px}
 .page-top p{font-size:14px;line-height:1.5;margin:0}
 .breadcrumb{margin:0 0 8px;font-size:13px;line-height:1.4;gap:6px}
 .breadcrumb:has(a:only-of-type){display:none}
 .breadcrumb>span,.breadcrumb>a:first-child{display:none}
 .breadcrumb>a:not(:first-child){font-size:13px;gap:6px;min-height:44px}
 .breadcrumb>a:not(:first-child):before{content:'‹';font-size:22px;line-height:1}
 .page-tools{gap:12px}
 .page-tools .button{font-size:14px;border-radius:999px;min-height:44px;padding:9px 12px}
 .filters .chip{font-size:14px}
 .island-hero-copy{padding:18px}
 .island-hero h1{font-size:30px;line-height:1.4}
 .island-hero h2{font-size:20px;line-height:1.5}
 .island-hero p{font-size:14px;line-height:1.6}
 .island-hero .roman{font-size:12px;margin-bottom:14px;line-height:1.4}
 .island-hero .status-tag{font-size:12px;border:0;background:var(--sea)}
 .detail-copy h1{font-size:22px;line-height:1.5}
 .detail-copy p{font-size:15px;line-height:1.6}
 .detail-copy .meta-row{font-size:13px}
}
/* Community posts support island discovery; they do not dominate the phone home. */
@media(max-width:760px){
 .app-home .app-section:last-child{padding-top:4px;border-top:1px solid var(--line);margin-top:4px}
 .app-home .app-section:last-child .section-heading{margin-bottom:8px;min-height:40px}
 .app-home .app-section:last-child .section-heading h2{font-size:15px;font-weight:500;color:var(--muted)}
 .app-home .app-section:last-child .section-heading .text-link{font-size:12px}
 .app-home .gallery-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}
 .app-home .post-card{border:0;border-radius:8px;box-shadow:none;background:#e7ede5}
 .app-home .post-image{aspect-ratio:1;margin:0}
 .app-home .post-image img{object-fit:contain}
 .app-home .post-info{display:none}
 .page-body .gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
 .page-body .post-card{border:0;border-radius:10px;box-shadow:none}
 .page-body .post-image{aspect-ratio:1}
 .page-body .post-image img{object-fit:contain}
 .page-body .post-info{padding:8px 10px}
 .page-body .post-meta{font-size:12px;margin-bottom:4px}
 .page-body .post-info :is(h2,h3){font-size:13px;line-height:1.5}
}

/* Keep the English wordmark beside the stamp; the home headline carries the tagline. */
.brand-wordmark{display:block;font-size:13px;font-weight:600;line-height:1.2;letter-spacing:.14em;color:var(--ink)}
.site-header .brand:after{content:none}
.site-footer .brand-wordmark{font-size:14px}
@media(max-width:760px){.site-header .brand-wordmark{font-size:12px;letter-spacing:.12em}}

.activity-description{white-space:pre-line}
.activity-facts{margin:20px 0;padding:12px 0;border-block:1px solid var(--line);font-size:14px;line-height:1.6}
.activity-facts>div{display:grid;grid-template-columns:104px minmax(0,1fr);gap:12px;padding:6px 0}
.activity-facts dt{color:var(--muted)}.activity-facts dd{margin:0;font-weight:500}
@media(max-width:760px){.activity-facts{margin:16px 0}.activity-facts>div{grid-template-columns:90px minmax(0,1fr);gap:8px}}

/* Home catchcopy only: hierarchy and natural wrapping without changing the shell. */
.app-home-heading .home-copy{min-width:0;flex:1}
.app-home-heading .home-title{font-size:24px;font-weight:600;line-height:1.5;margin:0 0 8px;white-space:normal;word-break:normal;overflow-wrap:anywhere}
.app-home-heading .home-subtitle{display:block;font-size:14px;font-weight:400;line-height:1.6;margin:0;color:var(--muted);white-space:normal;word-break:normal;overflow-wrap:anywhere}
.app-home-heading .app-post-action{flex-shrink:0}
@media(max-width:760px){.app-home-heading .home-title{font-size:23px}}
/* Header information menu: same destinations on phone and desktop. */
.header-info-menu{position:relative;display:flex;align-items:center}
.header-menu-toggle{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;min-width:44px;padding:0;border:0;border-radius:6px;background:transparent;color:var(--ink)}
.header-menu-toggle .icon{width:22px;height:22px;stroke-width:1.6}
.header-menu-toggle[aria-expanded=true]{background:var(--sea)}
.header-menu-panel{position:absolute;right:0;top:calc(100% + 8px);z-index:50;display:grid;min-width:224px;max-width:calc(100vw - 32px);padding:6px;border:1px solid var(--line);border-radius:10px;background:var(--paper);box-shadow:0 8px 24px #193e4314}
.header-menu-panel[hidden]{display:none}
.header-menu-panel a{display:flex;align-items:center;min-height:46px;padding:10px 14px;border-radius:5px;font-size:15px;line-height:1.5;white-space:nowrap;color:var(--ink)}
.header-menu-panel a:hover,.header-menu-panel a:focus-visible{background:var(--sea)}
/* Only the two information pages use this editorial reading measure. */
.about-content,.company-content{width:calc(100% - 40px);max-width:680px;margin:0 auto;padding:24px 0 28px;font-family:var(--sans);color:var(--ink);overflow-wrap:break-word}
.about-heading{margin:0 0 20px}
.about-content h1,.company-content h1{font-size:26px;font-weight:600;line-height:1.4;letter-spacing:.015em;margin:0 0 14px}
.about-content .about-lead{font-size:24px;font-weight:500;line-height:1.5;letter-spacing:.01em;margin:0}
.about-content .about-section{margin:21px 0 0}
.about-content .about-opening{margin-top:0}
.about-content .about-section h2{font-size:20px;font-weight:600;line-height:1.55;letter-spacing:.01em;margin:0 0 10px}
.about-content .about-section p,.company-content p{font-size:16px;font-weight:400;line-height:1.7;letter-spacing:0;margin:0 0 10px}
.about-content .about-section p:last-child{margin-bottom:0}
.about-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.about-actions .button{font-size:15px;line-height:1.5;min-height:44px;padding:10px 12px;gap:8px}
.about-operator{font-size:13px;font-weight:400;line-height:1.7;color:var(--muted);border-top:1px solid var(--line);padding-top:16px;margin-top:24px}
.about-operator p{font-size:13px;line-height:1.7;margin:0 0 6px}
.about-operator address{font-size:13px;line-height:1.7;font-style:normal}
.about-operator a{color:inherit;text-decoration:underline;text-underline-offset:3px}
.company-heading{margin-bottom:22px}
.company-profile h2{font-size:20px;font-weight:600;line-height:1.5;margin:0 0 6px}
.company-content .company-english{font-size:14px;line-height:1.5;color:var(--muted);margin:0 0 18px}
.company-facts{padding:16px 0;margin:20px 0;border-block:1px solid var(--line)}
.company-facts>div+div{margin-top:14px}
.company-facts dt{font-size:13px;line-height:1.7;color:var(--muted);margin-bottom:4px}
.company-facts dd,.company-facts address{font-size:14px;line-height:1.7;font-style:normal;margin:0}
body.about-page .site-footer,body.company-page .site-footer{width:calc(100% - 40px);max-width:680px;padding:16px 0 20px;display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;margin:auto}
body.about-page .site-footer .brand,body.company-page .site-footer .brand{gap:8px}
body.about-page .site-footer .brand-logo,body.company-page .site-footer .brand-logo{width:36px;height:36px}
body.about-page .site-footer .brand-wordmark,body.company-page .site-footer .brand-wordmark{font-size:13px}
body.about-page .site-footer>p,body.company-page .site-footer>p,body.about-page .site-footer .operator,body.company-page .site-footer .operator{display:none}
body.about-page .site-footer .footer-links,body.company-page .site-footer .footer-links{flex:1 1 100%;font-size:13px;gap:0 18px}
body.about-page .site-footer small,body.company-page .site-footer small{flex:1 1 100%;font-size:13px;line-height:1.7;text-align:left}
@media(max-width:760px){
 .about-content,.company-content{padding-top:20px;padding-bottom:24px}
 .about-content .about-section h2{font-size:19px}
 .about-content .about-section{margin-top:21px}
 .about-content .about-opening{margin-top:0}
 .header-menu-panel{min-width:216px}
}

.about-content .about-lead>span{display:inline-block;max-width:100%}

/* Activity film uses the existing native-player navigation behavior. */
.activity-film{margin:0;width:100%;min-width:0}
.activity-film video{display:block;width:100%;max-width:360px;margin-inline:auto;height:auto;aspect-ratio:9/16;object-fit:contain;background:#193E43;border-radius:12px}
.activity-film figcaption{margin-top:10px;font-size:14px;line-height:1.6;color:#193E43}

/* Region and island filters for activity discovery; shares the island map. */
.activity-map .ocean-map-heading h2{font-size:22px;line-height:1.5;margin-bottom:10px}
.activity-map .ocean-map-heading p{font-size:15px}
.activity-map button.island-map-link{border:0;background:transparent;font-family:inherit;cursor:pointer}
.activity-map .island-map-link.active .map-stamp{background:#f2e2da;box-shadow:inset 0 0 0 1px var(--red)}
.activity-map .island-map-link>span:last-child{font-size:13px;white-space:nowrap}
.activity-search .region-choice{font-size:15px;min-height:44px}
.activity-search .region-choice>span:last-child{display:inline}
.activity-results{margin-top:24px;scroll-margin-top:90px}
.activity-results .results-title{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px 16px}
.activity-results .results-title h2{margin:0;font-size:20px;line-height:1.5;color:var(--ink);font-weight:600}
.activity-results .results-title>span,.activity-sample-note{font-size:14px;line-height:1.6;color:var(--muted)}
.activity-sample-note{margin:0 0 18px}
.activity-empty-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px 20px}
@media(max-width:760px){
 .activity-map .ocean-map-heading{padding:16px 16px 0}
 .activity-map .ocean-map-heading h2{font-size:20px;margin-bottom:6px}
 .activity-map .ocean-map-heading p{margin:0;font-size:14px}
 .activity-map .map-key{display:none}
 .activity-map .ocean-map-canvas{max-width:360px;margin:0 auto 35px;aspect-ratio:700/415}
 .activity-map .map-manabe{left:3%;top:49%}
 .activity-map .map-awashima{left:36%;top:13%}
 .activity-map .map-miyako{left:60%;top:73%}
 .activity-map .map-stamp{font-size:15px;min-height:44px}
 .activity-results{margin-top:20px;scroll-margin-top:72px}
 .activity-results .results-title h2{font-size:19px}
}

/* Final presentation: original artwork on a quiet mount, without crop or fill. */
.post-card{display:flex;flex-direction:column;min-width:0}
.post-card .post-image{display:flex;align-items:center;justify-content:center;padding:12px;flex:0 0 auto;background:#e7ede5}
.post-card .post-image img,.post-card .post-image.landscape img{display:block;width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain;background:transparent;box-shadow:0 1px 7px #193e4324;outline:1px solid #193e4314}
.post-card .post-info{flex:1}
/* Identical menu destinations and shortcuts on desktop and phone. */
.site-header .brand,.header-actions{flex-shrink:0}
.desktop-nav{min-width:0;gap:16px}
.desktop-nav a{white-space:nowrap}
.header-actions>.nav-visibility-toggle,.header-actions>.header-notebook{display:inline-flex;align-items:center;justify-content:center;width:44px;min-width:44px;height:44px;min-height:44px;padding:0;border:0;background:transparent;border-radius:6px}
.header-actions>.nav-visibility-toggle .icon,.header-actions>.header-notebook .icon{width:20px;height:20px;stroke-width:1.6}
.header-actions>.header-notebook>span:not([data-icon]),.header-actions>.nav-visibility-toggle [data-nav-toggle-label]{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}
.header-actions>.nav-visibility-toggle[aria-pressed=true]{background:var(--sea)}
.header-menu-panel{max-height:calc(100dvh - 90px);overflow-y:auto;overscroll-behavior:contain}
body.bottom-nav-hidden .desktop-nav,body.video-viewing .desktop-nav{display:none}
@media(max-width:1100px){.site-header .header-actions{margin-left:auto}}
@media(max-width:760px){
 .app-home .post-card .post-image,.page-body .post-card .post-image{padding:6px}
}