/* 宿つづり shared theme: 湯の色 (銀泉=aqua, 金泉=amber). Used by home, stays, area hub, guides, trust pages. */
:root{
  --ink:#17303b;--muted:#4f6b75;--line:#d3e8ec;
  --aqua:#0f9fb0;--aqua-deep:#0a6b79;--mist:#e8f6f8;--mist-2:#f4fbfc;
  --amber:#f7b32b;--amber-soft:#fff3d6;--coral:#f26b5b;
  --font-head:"Hiragino Maru Gothic ProN","BIZ UDPGothic","Hiragino Sans","Noto Sans JP","Yu Gothic",sans-serif;
  --font-body:"Hiragino Sans","Noto Sans JP","Yu Gothic",system-ui,sans-serif;
  background:#fff;color:var(--ink);font-family:var(--font-body);line-height:1.85;font-synthesis:none
}
*{box-sizing:border-box}
body{margin:0;background:#fff}
a{color:var(--aqua-deep);text-underline-offset:.2em}
a:focus-visible,summary:focus-visible{outline:3px solid var(--amber);outline-offset:3px;border-radius:6px}
h1,h2,h3{font-family:var(--font-head);font-weight:700;line-height:1.45;text-wrap:balance;color:var(--ink)}
.skip{position:absolute;top:-80px;left:8px;background:#fff;padding:12px;z-index:10}.skip:focus{top:8px}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-head);font-weight:800;font-size:22px;letter-spacing:.06em;color:var(--ink);text-decoration:none}
.brand::before{content:"";width:30px;height:30px;background:url(img/logo-mark.svg) center/contain no-repeat;flex:none}
.pr{font-size:13px;font-weight:700;color:var(--ink);background:var(--amber-soft);padding:2px 10px;border-radius:999px}

/* ---------- guide / hub / trust pages ---------- */
.page main{max-width:860px;margin:0 auto;padding:0 20px 72px}
.page header{display:flex;align-items:center;justify-content:space-between;gap:12px;max-width:860px;margin:0 auto;padding:18px 20px}
.page header strong{font-weight:inherit}
.page header small{font-size:13px;font-weight:700;background:var(--amber-soft);padding:2px 10px;border-radius:999px;color:var(--ink)}
.page h1{font-size:clamp(26px,5.4vw,40px);margin:12px 0 14px;letter-spacing:.01em}
.page h2{font-size:clamp(20px,3.8vw,26px);margin:0 0 12px}
.page p,.page li{margin:0 0 14px;font-size:17px;line-height:1.9}.page li{margin:0 0 6px}
.page .cover{margin:4px 0 26px}
.page .cover img{display:block;width:100%;height:auto;aspect-ratio:16/7;object-fit:cover;border-radius:22px;background:var(--mist)}
.page .inline-photo{margin:0 0 24px;max-width:640px}
.page .inline-photo img{display:block;width:100%;height:auto;border-radius:18px;background:var(--mist)}
.photo-credit{font-size:13px;color:var(--muted);margin:32px 0 0}
.photo-credit a{color:inherit}
.page .lede{font-size:18px;margin-bottom:28px}
.page section{margin-top:44px}
.page table{width:100%;table-layout:fixed;border-collapse:separate;border-spacing:0;overflow-wrap:anywhere;font-size:clamp(14px,3.8vw,16px)}
.page th,.page td{padding:12px 10px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.page thead th{background:var(--mist);font-weight:700}
.page thead th:first-child{border-radius:12px 0 0 12px}.page thead th:last-child{border-radius:0 12px 12px 0}
.page .booking a{display:inline-flex;min-height:48px;align-items:center;background:var(--amber);color:var(--ink);font-weight:700;text-decoration:none;padding:8px 22px;border-radius:999px}
.page .booking a:hover{background:#ffc247}
.page .goal{display:grid;gap:12px;margin:18px 0 6px}
.page .goal div{padding:14px 18px;background:var(--mist);border-radius:18px}
.page .goal b{display:block;font-size:17px;color:var(--aqua-deep)}
.page .goal span{font-size:17px}
.page details{margin-top:40px;padding:14px 18px;background:var(--mist-2);border:1px solid var(--line);border-radius:14px;font-size:14px}
.page details summary{cursor:pointer;font-weight:700}
@media(max-width:600px){
  .page table[role="table"]{display:block;font-size:15px;line-height:1.65}
  .page thead{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
  .page tbody{display:grid;gap:12px}
  .page tbody tr{display:grid;padding:14px;background:var(--mist-2);border:1px solid var(--line);border-radius:16px}
  .page tbody th,.page tbody td{padding:0;border:0}
  .page tbody th{margin-bottom:5px;font-size:17px}
  .page tbody th a{display:inline-flex;min-height:44px;align-items:center}
  .page tbody td{display:grid;grid-template-columns:6em minmax(0,1fr);gap:8px;padding:5px 0;overflow-wrap:normal}
  .page .mobile-label{display:inline;font-weight:700;color:var(--aqua-deep)}
}
@media(min-width:601px){.page .mobile-label{display:none}}

/* ---------- home & stays ---------- */
.home .wrap{max-width:1180px;width:calc(100% - 64px);margin:auto}
.home header{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 0}
.home .headnote{display:none}
.home-nav{display:flex;gap:8px;font-size:15px;font-weight:700}
.home-nav a{padding:8px 16px;border-radius:999px;background:var(--mist);color:var(--aqua-deep);text-decoration:none}
.home-nav a:hover{background:#d4eef2}
.home main{display:block}
.home-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:clamp(24px,5vw,64px);align-items:center;padding:clamp(20px,3vw,40px) 0 clamp(28px,4vw,52px)}
.hero-photo{margin:0;min-width:0}
.hero-photo img{display:block;width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;border-radius:32px;background:var(--mist)}
.home-hero h1{font-size:clamp(30px,3.6vw,48px);line-height:1.3;margin:0 0 16px;letter-spacing:.01em}
.home-hero p{font-size:16px;max-width:34em;margin:0 0 22px}
.hero-action{display:inline-flex;min-height:50px;align-items:center;padding:10px 26px;background:var(--amber);color:var(--ink);font-weight:800;border-radius:999px;text-decoration:none}
.hero-action:hover{background:#ffc247}
.section-block{padding:clamp(28px,4vw,56px) 0}
.section-title{font-size:clamp(22px,3vw,30px);margin:0 0 10px}
.muted{font-size:15px;color:var(--muted);margin:0 0 22px}
.arima-section{background:var(--mist);border-radius:32px;padding:clamp(24px,4vw,48px)}
.arima-intro{max-width:44em;margin:0 0 24px;font-size:16px}
.purpose-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.purpose-group{background:#fff;border-radius:22px;padding:22px 22px 14px}
.purpose-group h3{font-size:19px;margin:0 0 6px;color:var(--aqua-deep)}
.purpose-group p{font-size:15px;line-height:1.7;margin:0 0 8px;color:var(--muted)}
.purpose-group ul{list-style:none;margin:0;padding:0}
.purpose-group li{border-top:1px solid var(--line)}
.purpose-group a{display:block;min-height:48px;padding:10px 0;font-size:16px;line-height:1.5;font-weight:700;color:var(--ink);text-decoration:none}
.purpose-group a:hover{color:var(--aqua-deep)}
.purpose-group small{display:block;font-weight:400;color:var(--muted);font-size:13px;margin-top:2px}
.purpose-group a>span[aria-hidden]{display:none}
.home-disclosure{font-size:13px;color:var(--muted);margin:18px 0 0}
.magazine-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px 22px;margin-top:22px}
.magazine-card{display:flex;flex-direction:column;gap:6px}
.magazine-card:first-child{grid-column:auto}
.magazine-photo-slot{background:var(--mist);border-radius:22px}
.a8-photo-slot{position:relative;overflow:hidden;aspect-ratio:3 / 2}
.a8-photo-slot a:has(img:not([width="1"])){position:absolute;inset:0;display:block;border:0;padding:0}
.a8-photo-slot a img:not([width="1"]){display:block;width:100%;height:100%;max-width:none;object-fit:cover}
.magazine-card .kicker{display:inline-block;align-self:flex-start;margin-top:12px;font-size:13px;font-weight:700;color:var(--aqua-deep);background:var(--mist);padding:2px 12px;border-radius:999px}
.magazine-card h3{font-size:20px;margin:2px 0 4px}
.magazine-card p{font-size:15px;line-height:1.75;margin:0 0 6px;color:var(--muted)}
.magazine-card>a:last-child{font-weight:700;font-size:15px;text-decoration:none;align-self:flex-start;min-height:44px;display:inline-flex;align-items:center}
.text-link{font-weight:700;text-decoration:none}
.story-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px 22px;margin-top:22px}
.story{display:flex;flex-direction:column;gap:4px;color:var(--ink);text-decoration:none}
.story{padding:18px 20px;background:var(--mist-2);border:1px solid var(--line);border-radius:20px}
.story h3{font-size:19px;margin:0}
.story p{font-size:15px;line-height:1.7;margin:0;color:var(--muted)}
.story:hover h3{color:var(--aqua-deep);text-decoration:underline;text-underline-offset:.2em}
.home-footer{padding:36px 0 48px;color:var(--muted);font-size:14px;border-top:1px solid var(--line);margin-top:20px}
.home-footer a{color:var(--aqua-deep)}
.draft{font-size:12px;background:var(--amber-soft);text-align:center;padding:8px}
@media(max-width:850px){
  .home-hero{grid-template-columns:1fr;gap:20px;padding-top:6px}
  .hero-photo{order:-1}
  .purpose-grid,.story-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .magazine-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:600px){
  .home .wrap{width:calc(100% - 32px)}
  .home header{padding:14px 0;flex-wrap:wrap}
  .brand{font-size:20px}
  .home-nav{font-size:14px;gap:6px}.home-nav a{padding:6px 12px}
  .page .cover img{aspect-ratio:16/9}
  .home-hero h1{font-size:30px}
  .home-hero p{font-size:16px}
  .arima-section{border-radius:24px;padding:20px 16px}
  .purpose-grid,.story-grid,.magazine-grid{grid-template-columns:1fr}
  .story h3{font-size:16px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
.archive-title{font-size:clamp(28px,4vw,40px);margin:10px 0 8px}
.archive-photo{margin:18px 0 0;max-width:640px}.archive-photo img{display:block;width:100%;height:auto;border-radius:18px;background:var(--mist)}
.archive-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:22px}
.archive-card{background:var(--mist);border-radius:22px;padding:20px 22px}
.archive-card .kicker{display:inline-block;font-size:13px;font-weight:700;color:var(--aqua-deep);background:#fff;padding:2px 12px;border-radius:999px}
.archive-card h2{font-size:19px;margin:10px 0 6px}.archive-card h2 a{color:var(--ink);text-decoration:none}.archive-card h2 a:hover{color:var(--aqua-deep);text-decoration:underline}
.archive-card p{font-size:15px;line-height:1.75;color:var(--muted);margin:0}
@media(max-width:850px){.archive-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.archive-grid{grid-template-columns:1fr}}