/* ===== 箱島神社 架空サンプル ===== */
:root{
  --washi:#f4eee1;
  --washi-2:#ece4d2;
  --paper:#fbf8f0;
  --sumi:#1e1c1a;
  --sumi-2:#4a4640;
  --usuzumi:#77705f;
  --shu:#b9402c;
  --line:#d8cfbd;
  --mincho:"Shippori Mincho","Zen Old Mincho","Hiragino Mincho ProN",serif;
  --old:"Zen Old Mincho","Shippori Mincho",serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{
  margin:0;color:var(--sumi);font-family:var(--mincho);font-weight:500;line-height:2.1;letter-spacing:.08em;-webkit-font-smoothing:antialiased;
  background-color:var(--washi);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .45 0 0 0 0 .40 0 0 0 0 .30 0 0 0 .09 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='600' height='600'%3E%3Cfilter id='f'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.012 .04' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 .55 0 0 0 0 .48 0 0 0 0 .35 0 0 0 .07 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23f)'/%3E%3C/svg%3E");
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-weight:600;margin:0}
p{margin:0}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(244,238,225,.92);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.header-inner{width:min(1200px,100% - 48px);margin-inline:auto;height:72px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:12px}
.logo-mark{width:30px;height:30px;color:var(--shu)}
.logo-text{font-size:1.25rem;font-weight:700;letter-spacing:.24em;line-height:1.2;display:flex;flex-direction:column}
.logo-text small{font-size:.56rem;letter-spacing:.3em;color:var(--usuzumi);font-weight:500;margin-top:3px}
.nav-toggle{position:absolute;opacity:0;pointer-events:none}
.nav-toggle-label{display:none}
.global-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px}
.global-nav a{display:block;padding:.3em .8em;font-size:.9rem;letter-spacing:.14em;position:relative}
.global-nav a::after{content:"";position:absolute;left:50%;bottom:2px;width:0;height:1px;background:var(--shu);transition:width .3s,left .3s}
.global-nav a:hover::after{width:60%;left:20%}

/* image frames w/ fallback */
.img-frame{position:relative;margin:0;overflow:hidden;background:var(--washi-2) center/cover no-repeat}
.img-frame img{width:100%;height:100%;object-fit:cover}
.img-frame--hero{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1280 720' preserveAspectRatio='xMidYMid slice'%3E%3Crect width='1280' height='720' fill='%23ece6d8'/%3E%3Cpath d='M0 470h1280' stroke='%23c9c2b2' stroke-width='2'/%3E%3Cpath d='M0 520h1280M0 580h1280M0 650h1280' stroke='%23d8d2c4' stroke-width='1.5'/%3E%3Cpath d='M560 720c60-160 160-300 300-420 120-100 260-160 420-180v600z' fill='%233c3a36' opacity='.75'/%3E%3Cpath d='M700 720c80-120 180-220 320-280 90-40 180-60 260-60v340z' fill='%231e1c1a' opacity='.6'/%3E%3Cg fill='%23b9402c'%3E%3Crect x='800' y='420' width='110' height='10'/%3E%3Crect x='810' y='440' width='90' height='7'/%3E%3Crect x='818' y='430' width='9' height='80'/%3E%3Crect x='883' y='430' width='9' height='80'/%3E%3C/g%3E%3Cpath d='M960 230l70-40 70 40z' fill='%231e1c1a'/%3E%3Crect x='975' y='230' width='110' height='40' fill='%235a3a30'/%3E%3Cpath d='M180 470c40-30 80-30 130 0' stroke='%23a8a191' stroke-width='3' fill='none'/%3E%3C/svg%3E")}
.img-frame--keidai{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 400 300' preserveAspectRatio='xMidYMid slice'%3E%3Crect width='400' height='300' fill='%23ece6d8'/%3E%3Cpath d='M180 70l220-50v40L190 100z' fill='%233c3a36'/%3E%3Crect x='300' y='80' width='18' height='200' fill='%23b9402c'/%3E%3Crect x='350' y='70' width='18' height='210' fill='%23b9402c'/%3E%3Crect x='90' y='140' width='170' height='120' fill='none' stroke='%234a4640' stroke-width='4'/%3E%3Cg fill='%23f4eee1' stroke='%23a8a191'%3E%3Crect x='105' y='155' width='26' height='18'/%3E%3Crect x='145' y='155' width='26' height='18'/%3E%3Crect x='185' y='155' width='26' height='18'/%3E%3Crect x='225' y='155' width='22' height='18'/%3E%3Crect x='105' y='190' width='26' height='18'/%3E%3Crect x='145' y='190' width='26' height='18'/%3E%3Crect x='185' y='190' width='26' height='18'/%3E%3C/g%3E%3Cpath d='M0 280h400' stroke='%23c9c2b2' stroke-width='2'/%3E%3C/svg%3E")}

/* hero */
.hero{position:relative;overflow:hidden;background:var(--washi-2)}
.hero-figure{aspect-ratio:16/9;max-height:760px;min-height:560px;width:100%}
.hero-figure img{object-position:60% 50%}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(244,238,225,.55),rgba(244,238,225,0) 45%),linear-gradient(0deg,rgba(244,238,225,.6),rgba(244,238,225,0) 18%);pointer-events:none}
.hero-copy{position:absolute;z-index:2;top:50%;left:clamp(40px,12vw,180px);transform:translateY(-50%);writing-mode:vertical-rl;height:min(560px,80%)}
.hero-title{display:block;margin:0}
.hero-ruby{display:block;font-size:.82rem;letter-spacing:.5em;color:var(--sumi-2);font-weight:500;margin-left:10px}
.hero-name{display:block;font-family:var(--old);font-weight:700;font-size:clamp(3rem,5.8vw,5rem);letter-spacing:.32em;line-height:1.1;color:var(--sumi)}
.hero-phrase{font-size:clamp(1rem,1.5vw,1.25rem);letter-spacing:.32em;line-height:2.4;color:var(--sumi);margin-top:5.5em;margin-right:clamp(28px,4vw,56px);padding-right:clamp(16px,2vw,28px);border-right:1px solid rgba(185,64,44,.6);height:fit-content}
.hero-scroll{position:absolute;right:40px;bottom:28px;writing-mode:vertical-rl;font-size:.78rem;letter-spacing:.4em;color:var(--sumi-2);padding-bottom:64px}
.hero-scroll::after{content:"";position:absolute;bottom:0;left:50%;width:1px;height:52px;background:var(--sumi-2)}

/* sections */
.section{padding:clamp(80px,10vw,140px) 0}
.section--tint{background:rgba(236,228,210,.55)}
.sec-inner{width:min(1100px,100% - 64px);margin-inline:auto;display:grid;grid-template-columns:1fr auto;gap:clamp(40px,6vw,96px);align-items:start}
.sec-title{grid-column:2;grid-row:1;writing-mode:vertical-rl;font-family:var(--old);font-size:clamp(1.6rem,2.4vw,2rem);letter-spacing:.3em;line-height:1.4;display:flex;align-items:flex-start;gap:14px;padding-top:4px;position:relative}
.sec-title::before{content:"";position:absolute;top:0;right:-18px;width:6px;height:6px;background:var(--shu);border-radius:50%}
.sec-en{font-family:var(--mincho);font-size:.66rem;letter-spacing:.36em;color:var(--shu);text-transform:uppercase;writing-mode:vertical-rl;font-weight:500}
.sec-body{grid-column:1;grid-row:1;min-width:0}

/* yuisho */
.yuisho-body{max-width:720px;margin-left:auto}
.lead-line{font-family:var(--old);font-size:clamp(1.3rem,2vw,1.6rem);letter-spacing:.16em;margin-bottom:1.6em;padding-bottom:1em;border-bottom:1px solid var(--line)}
.yuisho-body p+p{margin-top:1.4em}

/* kami */
.kami-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-top:1px solid var(--sumi);border-bottom:1px solid var(--line)}
.kami{padding:40px 36px;position:relative}
.kami+.kami{border-left:1px solid var(--line)}
.kami-role{font-size:.78rem;letter-spacing:.3em;color:var(--shu)}
.kami-name{font-family:var(--old);font-size:clamp(1.6rem,2.4vw,2rem);letter-spacing:.2em;margin-top:6px}
.kami-ruby{font-size:.78rem;color:var(--usuzumi);letter-spacing:.2em;margin-bottom:16px}
.kami p:last-child{font-size:.95rem;color:var(--sumi-2)}
.goriyaku{list-style:none;margin:48px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.goriyaku li{aspect-ratio:1/1;display:grid;place-items:center;text-align:center;border:1px solid var(--line);background:var(--paper);position:relative;font-size:1rem;letter-spacing:.16em;line-height:1.7}
.goriyaku li::before{content:"";position:absolute;inset:6px;border:1px solid rgba(185,64,44,.3)}

/* gyoji */
.gyoji-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--sumi)}
.gyoji-list li{display:grid;grid-template-columns:9em 13.5em 1fr;gap:20px;align-items:baseline;padding:22px 8px;border-bottom:1px solid var(--line)}
.g-date{font-size:.92rem;color:var(--usuzumi);letter-spacing:.16em}
.g-name{font-family:var(--old);font-size:1.18rem;letter-spacing:.18em}
.g-name small{font-size:.72rem;color:var(--usuzumi);letter-spacing:.1em;font-family:var(--mincho)}
.g-desc{font-size:.92rem;color:var(--sumi-2)}
.gyoji-list li.is-special{background:rgba(185,64,44,.05);border-left:2px solid var(--shu);padding-left:18px}
.gyoji-list li.is-special .g-date,.gyoji-list li.is-special .g-name{color:var(--shu)}

/* juyo */
#juyo .sec-body{display:grid;grid-template-columns:1fr 220px;gap:48px;align-items:start}
.juyo-grid{display:grid;grid-template-columns:1fr;gap:40px}
.juyo-h{font-family:var(--old);font-size:1.2rem;letter-spacing:.24em;padding-bottom:10px;border-bottom:1px solid var(--sumi);margin-bottom:6px;display:flex;align-items:center;gap:10px}
.juyo-h::before{content:"";width:10px;height:10px;background:var(--shu)}
.price-list{margin:0}
.price-list div{display:flex;justify-content:space-between;gap:16px;padding:12px 4px;border-bottom:1px dotted var(--line)}
.price-list dt{font-size:.98rem}
.price-list dd{margin:0;white-space:nowrap;font-family:var(--old);letter-spacing:.14em}
.note{font-size:.84rem;color:var(--usuzumi);margin-top:12px;line-height:1.9}
.goshuin{position:sticky;top:110px;text-align:center}
.goshuin svg{width:100%;height:auto;box-shadow:0 12px 30px rgba(30,28,26,.10)}
.goshuin p{font-size:.78rem;color:var(--usuzumi);margin-top:10px;letter-spacing:.2em}

/* keidai */
.keidai-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:start}
.map{background:var(--paper);border:1px solid var(--line);padding:14px}
.map svg{width:100%;height:auto;display:block}
.map-note{font-size:.76rem;color:var(--usuzumi);margin-top:8px;text-align:right}
.keidai-figure{aspect-ratio:4/3;border:1px solid var(--line)}
.keidai-points{list-style:none;margin:20px 0 0;padding:0}
.keidai-points li{display:grid;grid-template-columns:8.5em 1fr;gap:8px;padding:10px 0;border-bottom:1px solid var(--line);font-size:.92rem;color:var(--sumi-2)}
.keidai-points strong{color:var(--sumi);font-weight:600;letter-spacing:.14em}

/* news */
.news-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--sumi)}
.news-list li{display:flex;gap:32px;padding:22px 8px;border-bottom:1px solid var(--line);align-items:baseline}
.news-list time{flex:none;width:11em;font-size:.88rem;color:var(--usuzumi);letter-spacing:.12em}
.news-title{font-size:1rem}

/* access */
.access-list{margin:0;border-top:1px solid var(--sumi)}
.access-list div{display:grid;grid-template-columns:7em 1fr;gap:16px;padding:16px 8px;border-bottom:1px solid var(--line)}
.access-list dt{color:var(--shu);letter-spacing:.24em}
.access-list dd{margin:0}
.route{margin-top:40px;padding:18px 24px;background:var(--paper);border:1px solid var(--line)}
.route svg{width:100%;height:auto;display:block}

/* footer */
.site-footer{background:var(--sumi);color:#e9e3d6;padding:72px 24px 36px;text-align:center}
.footer-name{font-family:var(--old);font-size:1.6rem;letter-spacing:.5em;padding-left:.5em;margin-bottom:10px}
.footer-name::before{content:"";display:block;width:1px;height:40px;background:var(--shu);margin:0 auto 18px}
.footer-addr{font-size:.86rem;opacity:.8;margin-bottom:28px}
.disclaimer{display:inline-block;font-size:.84rem;padding:.8em 1.6em;border:1px solid rgba(233,227,214,.3);margin-bottom:18px;line-height:1.9}
.copy{opacity:.6}

/* responsive */
@media (max-width:960px){
  .nav-toggle-label{display:flex;align-items:center;justify-content:center;width:46px;height:46px;cursor:pointer;position:relative;z-index:60}
  .nav-toggle-label span,.nav-toggle-label span::before,.nav-toggle-label span::after{display:block;width:24px;height:1.5px;background:var(--sumi);position:relative;transition:transform .25s,background .25s}
  .nav-toggle-label span::before,.nav-toggle-label span::after{content:"";position:absolute;left:0}
  .nav-toggle-label span::before{top:-7px}
  .nav-toggle-label span::after{top:7px}
  .nav-toggle:checked + .nav-toggle-label span{background:transparent}
  .nav-toggle:checked + .nav-toggle-label span::before{transform:translateY(7px) rotate(45deg)}
  .nav-toggle:checked + .nav-toggle-label span::after{transform:translateY(-7px) rotate(-45deg)}
  .global-nav{position:absolute;top:72px;left:0;right:0;background:var(--washi);border-bottom:1px solid var(--line);max-height:0;overflow:hidden;transition:max-height .35s ease}
  .nav-toggle:checked ~ .global-nav{max-height:480px}
  .global-nav ul{flex-direction:column;padding:8px 24px 20px}
  .global-nav li+li{border-top:1px solid var(--line)}
  .global-nav a{padding:.9em .4em;text-align:center}

  #juyo .sec-body{grid-template-columns:1fr}
  .goshuin{position:static;width:200px;margin:0 auto}
  .keidai-grid{grid-template-columns:1fr}
  .goriyaku{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:720px){
  .header-inner{width:calc(100% - 32px);height:64px}
  .global-nav{top:64px}
  html{scroll-padding-top:68px}

  /* hero: keep vertical title over the misty sea, image fills */
  .hero-figure{aspect-ratio:auto;height:580px;min-height:0;max-height:none}
  .hero-figure img{object-position:60% 50%}
  .hero-figure::after{background:linear-gradient(90deg,rgba(244,238,225,.82),rgba(244,238,225,.55) 45%,rgba(244,238,225,0) 72%),linear-gradient(0deg,rgba(244,238,225,.7),rgba(244,238,225,0) 25%)}
  .hero-copy{left:24px;top:40px;transform:none;height:480px}
  .hero-copy{padding:16px 22px 16px 10px;margin:-16px 0 0 -10px;background:radial-gradient(closest-side,rgba(244,238,225,.85),rgba(244,238,225,.5) 65%,rgba(244,238,225,0))}
  .hero-ruby{color:var(--sumi)}
  .hero-copy *{text-shadow:0 0 10px rgba(244,238,225,.95),0 0 3px rgba(244,238,225,.9)}
  .hero-name{font-size:2.9rem;letter-spacing:.24em}
  .hero-phrase{font-size:.95rem;margin-top:4.5em;margin-right:22px;line-height:2.2}
  .hero-scroll{right:20px;bottom:20px}

  /* sections: vertical headings degrade to horizontal */
  .sec-inner{grid-template-columns:1fr;width:calc(100% - 40px);gap:36px}
  .sec-title{grid-column:1;grid-row:1;writing-mode:horizontal-tb;flex-direction:column;align-items:center;text-align:center;gap:2px;letter-spacing:.2em;padding:0}
  .sec-title::before{position:static;margin:0 auto 10px}
  .sec-en{writing-mode:horizontal-tb;order:2;margin-top:4px}
  .sec-body{grid-column:1;grid-row:2}
  .section{padding:72px 0}

  .kami-list{grid-template-columns:1fr}
  .kami{padding:30px 6px}
  .kami+.kami{border-left:0;border-top:1px solid var(--line)}
  .gyoji-list li{grid-template-columns:1fr;gap:2px;padding:18px 4px}
  .gyoji-list li.is-special{padding-left:14px}
  .news-list li{flex-direction:column;gap:2px;padding:18px 4px}
  .access-list div{grid-template-columns:1fr;gap:0;padding:14px 4px}
  .keidai-points li{grid-template-columns:1fr;gap:0}
  .route{padding:12px}
  .footer-addr{line-height:2}
}
.nw{white-space:nowrap}
@media (max-width:720px){.footer-addr .sep{display:none}.footer-addr .nw{display:block}}

/* back links (XXBase) */
.backbar{background:var(--sumi);color:#d9d2c3;font-size:.72rem;letter-spacing:.14em}
.backbar-inner{width:min(1200px,100% - 48px);margin-inline:auto;height:28px;display:flex;align-items:center;gap:12px}
.backbar span{opacity:.4}
.backbar a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--shu)}
.footer-back{display:flex;justify-content:center;flex-wrap:wrap;gap:8px 32px;margin:0 0 20px;font-size:.84rem;letter-spacing:.14em}
.footer-back a{border-bottom:1px solid var(--shu);padding-bottom:3px;opacity:.9}
.footer-back a:hover{opacity:1}
@media (max-width:720px){.backbar-inner{width:calc(100% - 32px)}}