:root{--sea:#0a7480;--sea-dark:#07566b;--sea-deep:#053d4d;--lagoon:#1fc2b4;--sea-tint:#e2f6f4;--coral:#dc4a33;--coral-light:#ff8a65;--coral-tint:#fff0ea;--sand:#fbf8f2;--card:#fff;--ink:#15282e;--muted:#5a6c70;--line:#e6e2d8;--ok:#247a4a;--ok-tint:#e3f4ea;--warn:#8f6200;--warn-tint:#fff4d9;--radius:18px;--radius-sm:12px;--shadow:0 1px 2px #053d4d0d, 0 6px 20px #053d4d12;--shadow-lift:0 2px 4px #053d4d0f, 0 16px 36px #053d4d24;--font:var(--font-maru,"Hiragino Maru Gothic ProN"), "Hiragino Maru Gothic ProN", "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", Meiryo, system-ui, sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--sand);min-height:100vh;color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased;flex-direction:column;font-size:16px;font-weight:500;line-height:1.75;display:flex}main{flex:1}a{color:var(--sea);text-underline-offset:3px}a:hover{color:var(--sea-dark)}img{max-width:100%}h1,h2,h3{letter-spacing:.01em;word-break:auto-phrase;text-wrap:balance;font-weight:900}.container{max-width:1120px;margin:0 auto;padding:0 16px}.narrow{max-width:720px}.demo-banner{background:var(--warn-tint);color:var(--warn);text-align:center;padding:6px 16px;font-size:13px}.header{-webkit-backdrop-filter:saturate(1.4)blur(12px);backdrop-filter:saturate(1.4)blur(12px);z-index:10;background:#ffffffdb;border-bottom:1px solid #07566b14;position:sticky;top:0}.header-inner{align-items:center;gap:16px;height:66px;display:flex}.logo{color:var(--sea-deep);letter-spacing:0;align-items:center;gap:10px;font-size:22px;font-weight:900;text-decoration:none;display:flex}.logo:hover{color:var(--sea-deep)}.logo .heya{color:var(--sea)}.logo-mark{filter:drop-shadow(0 3px 6px #07566b40);width:34px;height:34px;display:block}.logo-mark svg{width:100%;height:100%;display:block}.nav{align-items:center;gap:2px;margin-left:auto;display:flex}.nav a{color:var(--ink);white-space:nowrap;border-radius:999px;padding:8px 12px;font-size:14px;font-weight:700;text-decoration:none}.nav a:hover{background:var(--sea-tint);color:var(--sea-dark)}.nav .lang{color:var(--muted);font-size:13px}.nav-secondary{display:contents}.mobile-nav{display:none}@media (max-width:1000px){.nav-secondary{display:none}.header-inner{gap:8px}.mobile-nav{border-top:1px solid #07566b14;gap:4px;padding:6px 12px;display:flex;overflow-x:auto}.mobile-nav a{color:var(--ink);white-space:nowrap;border-radius:999px;padding:6px 12px;font-size:14px;font-weight:700;text-decoration:none}.mobile-nav a:hover{background:var(--sea-tint)}}.footer{background:linear-gradient(180deg, var(--sea-dark), var(--sea-deep));color:#ffffffb8;margin-top:88px;padding:44px 0;font-size:13px;position:relative}.footer:before{content:"";background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 40' preserveAspectRatio='none'%3E%3Cpath d='M0 22C180 4 360 0 540 14s360 26 540 14 270-24 360-20v32H0z' fill='%2307566b'/%3E%3C/svg%3E") 0 0/100% 100% no-repeat;height:41px;position:absolute;top:-40px;left:0;right:0}.footer strong{font-size:18px;font-weight:900;color:#fff!important}.footer a{color:#ffffffe6}.footer a:hover{color:#fff}.footer-links{flex-wrap:wrap;gap:10px 20px;margin-top:14px;display:flex}.btn{font:inherit;cursor:pointer;border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:6px;padding:11px 22px;font-size:15px;font-weight:700;line-height:1.4;text-decoration:none;transition:background .15s,box-shadow .15s,transform .15s;display:inline-flex}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--sea);box-shadow:0 4px 12px #0a748040;color:#fff!important}.btn-primary:hover{background:var(--sea-dark)}.btn-coral{background:var(--coral);box-shadow:0 4px 14px #dc4a334d;color:#fff!important}.btn-coral:hover{background:#c63d27;box-shadow:0 6px 18px #dc4a3361}.btn-ghost{border-color:var(--line);background:#fff;color:var(--ink)!important}.btn-ghost:hover{background:var(--sea-tint);border-color:#c9e9e5}.btn-sm{padding:8px 16px;font-size:14px}label{margin-bottom:6px;font-size:14px;font-weight:700;display:block}.field{margin-bottom:18px}.help{color:var(--muted);margin:4px 0 0;font-size:13px;font-weight:500}.error-text{color:var(--coral);margin:4px 0 0;font-size:13px;font-weight:700}input[type=text],input[type=number],input[type=date],input[type=email],input[type=tel],select,textarea{width:100%;font:inherit;color:var(--ink);border:1.5px solid var(--line);border-radius:var(--radius-sm);background:#fff;padding:10px 14px;font-size:15px;transition:border-color .15s,box-shadow .15s}input[type=text],input[type=number],input[type=date],input[type=email],input[type=tel],select{height:48px}input:focus,select:focus,textarea:focus{border-color:var(--lagoon);outline:none;box-shadow:0 0 0 4px #1fc2b433}.has-error input,.has-error select,.has-error textarea{border-color:var(--coral)}textarea{resize:vertical;min-height:120px}.check{cursor:pointer;align-items:center;gap:8px;margin:0;font-size:15px;font-weight:500;display:flex}.check input{width:18px;height:18px;accent-color:var(--sea)}.checks{flex-wrap:wrap;gap:10px 20px;display:flex}.grid-2{grid-template-columns:1fr 1fr;gap:0 16px;display:grid}@media (max-width:600px){.grid-2{grid-template-columns:1fr}}fieldset{border:0;margin:0 0 18px;padding:0}legend{margin-bottom:6px;padding:0;font-size:14px;font-weight:700}.hero{color:#fff;background:radial-gradient(1200px 500px at 85% 115%,#1fc2b4d9,#0000 60%),radial-gradient(900px 420px at 10% -10%,#032838e6,#0000 60%),linear-gradient(155deg,#053d4d 0%,#07566b 38%,#0a8a93 72%,#22b8ad 100%);padding:76px 0 140px;position:relative;overflow:hidden}.hero:after{content:"";pointer-events:none;background-image:radial-gradient(#ffffff29 1px,#0000 1.5px);background-size:26px 26px;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#0000 30%,#000 100%);mask-image:linear-gradient(#0000 30%,#000 100%)}.hero-inner{z-index:1;position:relative}.hero-sun{opacity:.7;filter:blur(2px);background:radial-gradient(circle at 40% 40%,#ffe3c2,#ffb48a 55%,#ff8a6500 72%);border-radius:50%;width:180px;height:180px;position:absolute;top:44px;right:8%;box-shadow:0 0 80px 30px #ffaa7840}.eyebrow{letter-spacing:.08em;background:#ffffff24;border:1px solid #ffffff47;border-radius:999px;margin:0 0 16px;padding:5px 14px;font-size:13px;font-weight:700;display:inline-block}.hero h1{text-shadow:0 2px 20px #03283859;max-width:820px;margin:0 0 16px;font-size:clamp(30px,5.6vw,54px);line-height:1.25}.hero p.lead{color:#ffffffeb;max-width:600px;margin:0 0 32px;font-size:17px}.hero-search{color:var(--ink);background:#fff;border-radius:24px;grid-template-columns:repeat(3,1fr) auto;align-items:end;gap:12px;max-width:900px;padding:18px;display:grid;box-shadow:0 20px 50px #03283859}.hero-search .field{margin:0}.hero-search .btn{height:48px}.hero-wave{width:100%;height:110px;display:block;position:absolute;bottom:-1px;left:0}@media (max-width:760px){.hero{padding:48px 0 110px}.hero-sun{width:110px;height:110px;top:20px;right:-20px}.hero-search{border-radius:20px;grid-template-columns:1fr}.hero-wave{height:70px}}.section{padding:48px 0 0}.section-head{justify-content:space-between;align-items:flex-end;gap:12px;margin-bottom:20px;display:flex}.section-head h2,h1.page-title{color:var(--sea-deep);margin:0;font-size:26px;line-height:1.35}.section-head h2:after{content:"";background:linear-gradient(90deg, var(--lagoon), var(--coral-light));border-radius:6px;width:44px;height:6px;margin-top:8px;display:block}.section-head a{white-space:nowrap;font-weight:700;text-decoration:none}.page-head{padding:36px 0 22px}.page-head p{color:var(--muted);margin:8px 0 0}.cards{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px;display:grid}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid #07566b0f;transition:transform .2s,box-shadow .2s;overflow:hidden}.cards .card:hover{box-shadow:var(--shadow-lift);transform:translateY(-4px)}.card-link{color:inherit;flex-direction:column;height:100%;text-decoration:none;display:flex}.card-link:hover{color:inherit}.card-link:hover .card-title{color:var(--sea)}.card-photo{color:#fffffff2;letter-spacing:.18em;place-items:center;height:190px;font-size:22px;font-weight:900;display:grid;position:relative}.card-photo:after{content:"";pointer-events:none;background:radial-gradient(34px 22px at 50% 100%,#ffffff38 97%,#0000) 0 100%/68px 22px repeat-x,radial-gradient(34px 22px at 50% 100%,#ffffff24 97%,#0000) 34px 70%/68px 22px repeat-x;height:46px;position:absolute;bottom:0;left:0;right:0}.card-photo:has(.card-img):after{display:none}.card-photo-label{text-shadow:0 2px 12px #0000002e;position:relative}.photo-hirara{background:linear-gradient(140deg,#07566b,#13a79f 70%,#5fd6c5)}.photo-shimoji{background:linear-gradient(140deg,#0b6fa0,#34b6d4 65%,#9ae6e6)}.photo-ueno{background:linear-gradient(140deg,#177a5e,#3fb28a 65%,#a6e0b4)}.photo-gusukube{background:linear-gradient(140deg,#b2583a,#eb9366 60%,#ffd0a1)}.photo-irabu{background:linear-gradient(140deg,#0b3f73,#2d7fc4 60%,#7ec8ee)}.card-photo .area-chip{color:var(--sea-deep);letter-spacing:.02em;background:#ffffffeb;border-radius:99px;padding:4px 12px;font-size:12px;font-weight:900;position:absolute;top:12px;left:12px;box-shadow:0 2px 8px #0000001f}.card-body{flex-direction:column;flex:1;gap:8px;padding:16px 18px 18px;display:flex}.card-title{margin:0;font-size:16px;font-weight:700;line-height:1.5}.price{color:var(--sea-dark);letter-spacing:0;font-size:24px;font-weight:900}.price small{color:var(--muted);font-size:13px;font-weight:500}.meta{color:var(--muted);flex-wrap:wrap;gap:4px 12px;font-size:13px;display:flex}.badges{flex-wrap:wrap;gap:6px;display:flex}.badge{background:var(--sea-tint);color:var(--sea-dark);white-space:nowrap;border-radius:99px;padding:3px 10px;font-size:12px;font-weight:700}.badge-ok{background:var(--ok-tint);color:var(--ok)}.badge-coral{background:var(--coral-tint);color:#b23a24}.badge-gray{color:var(--muted);background:#f1eee7}.search-layout{grid-template-columns:280px 1fr;align-items:start;gap:24px;display:grid}.filters{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid #07566b0f;padding:20px;position:sticky;top:84px}.filters .field{margin-bottom:14px}.filters-actions{align-items:center;gap:8px;display:flex}@media (max-width:860px){.search-layout{grid-template-columns:1fr}.filters{position:static}}.results-count{color:var(--muted);margin:0 0 12px;font-size:14px}.empty{background:var(--card);border:1px dashed var(--line);border-radius:var(--radius);text-align:center;color:var(--muted);padding:32px}.detail-layout{grid-template-columns:1fr 340px;align-items:start;gap:24px;display:grid}@media (max-width:860px){.detail-layout{grid-template-columns:1fr}}.detail-photo{border-radius:var(--radius);height:260px;font-size:28px}.detail h1{color:var(--sea-deep);margin:20px 0 10px;font-size:28px;line-height:1.4}.facts{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);grid-template-columns:repeat(2,1fr);gap:0;margin:20px 0;display:grid;overflow:hidden}.fact{border-bottom:1px solid var(--line);padding:12px 16px}.fact:nth-child(odd){border-right:1px solid var(--line)}.fact dt{color:var(--muted);font-size:12px}.fact dd{margin:0;font-weight:700}.description{white-space:pre-wrap;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.side-box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:16px;padding:18px}.side-box h2{margin:0 0 12px;font-size:17px}.safety-box{background:var(--warn-tint);border-color:#f0dcae}.safety-box ul{margin:0;padding-left:20px;font-size:14px}.notice{background:var(--ok-tint);color:var(--ok);border-radius:var(--radius-sm);margin-bottom:14px;padding:12px 14px;font-size:14px;font-weight:700}.notice-error{background:var(--coral-tint);color:#a8432a}.features{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}@media (max-width:760px){.features{grid-template-columns:1fr}}.feature{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid #07566b0f;padding:24px}.feature h3{color:var(--sea-deep);margin:0 0 6px;font-size:18px}.feature p{color:var(--muted);margin:0;font-size:14px}.feature .num{background:linear-gradient(140deg, var(--lagoon), var(--sea-dark));color:#fff;border-radius:14px;place-items:center;width:44px;height:44px;margin-bottom:14px;font-size:18px;font-weight:900;display:grid;box-shadow:0 6px 14px #07566b40}.cta{color:#fff;background:radial-gradient(420px 220px at 95% 0,#ffd6aa8c,#0000 70%),linear-gradient(120deg,#b8412c,#dc4a33 45%,#f07b52);border-radius:24px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;padding:32px;display:flex;position:relative;overflow:hidden;box-shadow:0 16px 40px #dc4a3340}.cta h2{margin:0 0 4px;font-size:22px}.cta p{color:#ffffffeb;margin:0}.cta a:not(.btn){color:#fff}.cta .btn-coral{background:#fff;box-shadow:0 6px 16px #781e0f40;color:var(--coral)!important}.cta .btn-coral:hover{background:#fff6f2}.cta .btn-ghost{background:#ffffff24;border-color:#ffffff80;color:#fff!important}.cta .btn-ghost:hover{background:#ffffff3d}.form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px}.prose h2{margin:28px 0 8px;font-size:19px}.prose p,.prose li{color:#334043}.wanted-card{flex-direction:column;gap:8px;padding:16px 18px;display:flex}.wanted-card h3{margin:0;font-size:16px}.wanted-card p{color:#334043;margin:0;font-size:14px}.list{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.list-row{border-bottom:1px solid var(--line);color:inherit;justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;text-decoration:none;display:flex}.list-row:last-child{border-bottom:0}a.list-row:hover{background:var(--sea-tint);color:inherit}.ellipsis{text-overflow:ellipsis;white-space:nowrap;color:#334043;font-size:14px;display:block;overflow:hidden}.thread{flex-direction:column;gap:10px;display:flex}.bubble{align-self:flex-start;max-width:80%}.bubble-body{background:var(--card);border:1px solid var(--line);white-space:pre-wrap;overflow-wrap:anywhere;border-radius:14px 14px 14px 4px;padding:10px 14px}.bubble-me{align-self:flex-end}.bubble-me .bubble-body{background:var(--sea-tint);border-color:#c5e3e0;border-radius:14px 14px 4px}.bubble-meta{color:var(--muted);margin-top:3px;padding:0 4px;font-size:12px}.bubble-me .bubble-meta{text-align:right}.wanted-contact summary{cursor:pointer;color:var(--sea);font-size:14px;font-weight:700}.wanted-contact form{margin-top:10px}.card-photo{overflow:hidden}.card-img{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}.card-photo .area-chip{z-index:1}.gallery{scroll-snap-type:x mandatory;border-radius:var(--radius);gap:8px;display:flex;overflow-x:auto}.gallery-item{scroll-snap-align:start;aspect-ratio:4/3;border-radius:var(--radius);background:#e9e7e1;flex:0 0 100%;max-height:420px;overflow:hidden}.gallery-item img{object-fit:cover;width:100%;height:100%;display:block}@media (min-width:861px){.gallery-item{flex-basis:85%}}.thumbs{flex-wrap:wrap;gap:6px;display:flex}.thumbs img{object-fit:cover;border:1px solid var(--line);border-radius:8px;width:72px;height:72px}.file-input{width:100%;font:inherit;border:1px dashed var(--line);background:#fff;border-radius:10px;padding:10px;font-size:14px;display:block}.owner-panel h3{margin:18px 0 8px;font-size:15px}.owner-panel h3:first-of-type{margin-top:0}.owner-photos{flex-wrap:wrap;gap:10px;margin-bottom:12px;display:flex}.owner-photo{flex-direction:column;align-items:stretch;gap:4px;width:110px;display:flex}.owner-photo img{object-fit:cover;border:1px solid var(--line);border-radius:8px;width:110px;height:82px}.owner-photo .btn{padding:4px 8px;font-size:13px}.report-link{color:var(--muted);align-self:flex-start;font-size:13px}.thread-tools{flex-wrap:wrap;gap:8px;margin-top:16px;display:flex}.tabs{border-bottom:1px solid var(--line);flex-wrap:wrap;gap:6px;margin-bottom:16px;display:flex}.tab{color:var(--muted);border-bottom:3px solid #0000;padding:8px 14px;font-size:14px;font-weight:700;text-decoration:none}.tab-active{color:var(--sea-dark);border-bottom-color:var(--sea)}.admin-list{flex-direction:column;gap:14px;display:flex}.admin-card{grid-template-columns:1fr 220px;gap:16px;padding:16px 18px;display:grid}@media (max-width:760px){.admin-card{grid-template-columns:1fr}}.admin-card-main{min-width:0}.admin-actions{flex-direction:column;align-items:stretch;gap:8px;display:flex}.admin-actions .btn{width:100%}.admin-report-form label{font-size:13px}.admin-thread{background:var(--sand);border-radius:10px;max-height:320px;margin-top:8px;padding:8px 12px;font-size:14px;overflow-y:auto}.admin-thread p{white-space:pre-wrap;overflow-wrap:anywhere;margin:8px 0}.btn:disabled{opacity:.45;cursor:not-allowed}.plans{grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;display:grid}.plan{background:var(--card);box-shadow:var(--shadow);border-radius:var(--radius);border:1px solid #07566b0f;flex-direction:column;align-items:flex-start;gap:6px;padding:24px;display:flex}.plan h2{margin:0;font-size:18px}.plan p{margin:0;font-size:14px}.plan .btn,.plan form{margin-top:auto}.plan-price{color:var(--sea-dark);font-weight:900;font-size:28px!important}.plan-accent{box-shadow:var(--shadow), 0 0 0 4px var(--coral-tint);border:2px solid #f5b9a6}.featured-chip{background:var(--coral);color:#fff;z-index:1;letter-spacing:0;border-radius:99px;padding:3px 10px;font-size:12px;font-weight:700;position:absolute;top:12px;right:12px}.facts-1{grid-template-columns:1fr}.facts-1 .fact:nth-child(odd){border-right:0}