/* 朝顔の記 — 平安の料紙に倣ったデザイン。鳥の子色の紙に金砂子、すやり霞、二藍と蘇芳の差し色。 */
:root{
  --paper:#f4eee0; --paper-deep:#ebe3d0; --paper-light:#fbf8f0;
  --ink:#26242a; --ink-soft:#4e4a48; --mute:#8d877c;
  --futaai:#5a4a7d; --suo:#8e3a4b; --kin:#b39b5b; --kin-light:#d8c89a; --shu:#b9392f;
  --spring:#e4a9b4; --summer:#6fa98a; --autumn:#c2553c; --winter:#b9b5ad;
  --line:rgba(38,36,42,.16); --line-strong:rgba(38,36,42,.34);
  --serif:"Hiragino Mincho ProN","Hiragino Mincho Pro","Yu Mincho","YuMincho","Noto Serif JP","Source Han Serif JP","BIZ UDMincho",serif;
  --latin:"Cormorant Garamond",Georgia,"Times New Roman",serif;
  --sans:"Hiragino Sans","Noto Sans JP",system-ui,sans-serif;
  --wrap:1180px; --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:hidden}
body{
  font-family:var(--serif);color:var(--ink);background:var(--paper);line-height:1.9;letter-spacing:.03em;font-feature-settings:"palt";
  background-image:
    radial-gradient(circle at 12% 18%,rgba(179,155,91,.55) 0 .8px,transparent 1.4px),
    radial-gradient(circle at 68% 42%,rgba(179,155,91,.45) 0 .7px,transparent 1.3px),
    radial-gradient(circle at 36% 76%,rgba(179,155,91,.5) 0 .9px,transparent 1.5px),
    radial-gradient(circle at 88% 86%,rgba(179,155,91,.4) 0 .6px,transparent 1.2px),
    radial-gradient(circle at 52% 8%,rgba(179,155,91,.35) 0 .6px,transparent 1.2px),
    radial-gradient(circle at 22% 54%,rgba(142,58,75,.18) 0 .6px,transparent 1.2px),
    repeating-linear-gradient(177deg,rgba(255,255,255,.18) 0 2px,transparent 2px 7px);
  background-size:340px 340px,420px 420px,380px 380px,460px 460px,300px 300px,520px 520px,auto;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0}
em{font-style:normal;color:var(--futaai)}
.wrap{width:min(var(--wrap),calc(100% - 48px));margin-inline:auto}
.tate{writing-mode:vertical-rl;text-orientation:mixed}
.mon{color:var(--suo)}

/* 進み具合の金線 */
.progress-line{position:fixed;top:0;left:0;height:2px;width:0;background:linear-gradient(90deg,var(--kin),var(--futaai));z-index:60;transition:width .15s linear}

/* すやり霞 */
.kasumi{position:absolute;left:0;right:0;pointer-events:none;z-index:0;height:220px;overflow:hidden}
.kasumi-top{top:70px}
.kasumi::before,.kasumi::after{content:"";position:absolute;height:22px;border-radius:999px;filter:blur(7px);opacity:.55}
.kasumi::before{top:30px;left:-10vw;width:62vw;background:linear-gradient(90deg,transparent,rgba(90,74,125,.22) 25%,rgba(90,74,125,.10) 70%,transparent)}
.kasumi::after{top:118px;right:-8vw;width:48vw;background:linear-gradient(90deg,transparent,rgba(179,155,91,.26) 30%,rgba(179,155,91,.12) 75%,transparent)}
.kasumi-mid{top:auto;bottom:0;height:160px}
.kasumi-mid::before{top:20px;left:auto;right:-6vw;width:52vw}
.kasumi-mid::after{top:90px;left:-6vw;right:auto;width:40vw}

/* ヘッダー */
.site-header{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px 32px;background:rgba(244,238,224,.86);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:40px;height:40px;color:var(--futaai);flex:none}
.brand b{display:block;font-size:19px;font-weight:600;letter-spacing:.18em;line-height:1.2}
.brand small{display:block;font-family:var(--latin);font-size:10px;letter-spacing:.22em;color:var(--mute);margin-top:3px}
.site-nav{display:flex;gap:28px;font-size:14px;letter-spacing:.12em}
.site-nav a{position:relative;padding:4px 0}
.site-nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--futaai);transition:right .3s var(--ease)}
.site-nav a:hover::after{right:0}
.nav-edition{font-size:12px;letter-spacing:.2em;color:var(--mute);white-space:nowrap}

/* 共通見出し */
.eyebrow{display:flex;align-items:center;gap:12px;font-size:12px;letter-spacing:.24em;color:var(--futaai)}
.eyebrow-rule{width:36px;height:1px;background:var(--futaai)}
.overline{font-size:12px;letter-spacing:.28em;color:var(--kin);margin-bottom:14px;position:relative;padding-left:18px}
.overline::before{content:"";position:absolute;left:0;top:50%;width:10px;height:1px;background:var(--kin)}
h1,h2,h3{font-weight:500;letter-spacing:.06em;line-height:1.5}
h2{font-size:clamp(24px,2.6vw,34px)}
.latin-italic{font-family:var(--latin);font-style:italic;font-weight:400;font-size:.62em;color:var(--mute);letter-spacing:.04em}
.ink-link{display:inline-flex;align-items:center;gap:10px;font-size:14px;letter-spacing:.16em;padding-bottom:6px;border-bottom:1px solid var(--ink);transition:color .3s,border-color .3s}
.ink-link:hover{color:var(--futaai);border-color:var(--futaai)}

/* 色紙の額 */
.shikishi{position:relative;padding:10px;background:var(--paper-light);border:1px solid var(--line-strong);box-shadow:0 18px 40px -24px rgba(38,36,42,.45)}
.shikishi::before{content:"";position:absolute;inset:5px;border:1px solid var(--kin-light);pointer-events:none}
.shikishi img{width:100%;aspect-ratio:3/4;object-fit:cover}

/* 判子 */
.hanko{display:inline-grid;place-items:center;writing-mode:vertical-rl;color:#fff;background:var(--shu);width:30px;padding:8px 0;border-radius:3px;font-size:13px;letter-spacing:.3em;line-height:1;box-shadow:inset 0 0 0 1px rgba(255,255,255,.55),0 1px 0 rgba(0,0,0,.08);transform:rotate(-3deg);opacity:.92}

/* トップ: ヒーロー */
.home-hero{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .9fr auto;gap:48px;align-items:center;padding:72px 0 56px}
.hero-copy h1.tate{height:clamp(440px,44vw,580px);font-size:clamp(28px,3vw,40px);letter-spacing:.12em;line-height:1.8;margin:28px 0 24px;margin-inline-start:auto}
.hero-copy{display:flex;flex-direction:column;align-items:flex-start}
.hero-lead{font-size:15px;color:var(--ink-soft);line-height:2.2;margin-bottom:28px}
.hero-picture figcaption,.photo-index{display:flex;justify-content:space-between;gap:12px;font-size:11px;letter-spacing:.2em;color:var(--mute);margin-top:12px}
.hero-epigraph{font-size:14px;letter-spacing:.42em;color:var(--kin);height:260px;align-self:start;margin-top:12px;border-right:1px solid var(--kin-light);padding-right:14px}

.soft-rule{display:flex;align-items:center;justify-content:center;gap:22px;font-size:11px;letter-spacing:.3em;color:var(--mute);margin:12px auto 36px}
.soft-rule::before,.soft-rule::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent)}
.soft-rule .mon{font-size:14px}

.intro-section{display:grid;grid-template-columns:220px 1fr;gap:40px;padding:48px 0 72px;border-bottom:1px solid var(--line)}
.intro-section h2{margin-bottom:22px}
.intro-section p{max-width:62ch;color:var(--ink-soft)}
.intro-section p+p{margin-top:14px}

/* 目録 */
.archive-section{padding:72px 0 48px}
.section-top{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
.section-note{font-size:13px;color:var(--mute);letter-spacing:.1em}
.category-nav{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.pill{display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border:1px solid var(--line-strong);border-radius:999px;font-size:13px;letter-spacing:.14em;background:transparent;transition:all .25s var(--ease)}
.pill:hover{border-color:var(--ink)}
.pill.active{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.pill small{font-size:11px;color:var(--mute);letter-spacing:.08em}
.pill.active small{color:rgba(244,238,224,.7)}
.pill .count{font-family:var(--latin);font-size:11px;letter-spacing:.1em;opacity:.7}
.towns .pill i{width:9px;height:9px;border-radius:50%;background:var(--mute);flex:none;box-shadow:inset 0 0 0 1px rgba(0,0,0,.08)}
.towns .town-spring i{background:var(--spring)}.towns .town-summer i{background:var(--summer)}.towns .town-autumn i{background:var(--autumn)}.towns .town-winter i{background:var(--winter)}

.story-cards{display:grid;gap:28px}
.story-card{display:grid;grid-template-columns:320px 1fr;gap:0;background:var(--paper-light);border:1px solid var(--line-strong);position:relative;transition:transform .4s var(--ease),box-shadow .4s var(--ease)}
.story-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:linear-gradient(180deg,var(--autumn),var(--kin))}
.story-card.town-flower::before{background:linear-gradient(180deg,var(--spring),var(--kin))}
.story-card.town-travel::before{background:linear-gradient(180deg,var(--summer),var(--kin))}
.story-card.town-tea::before{background:linear-gradient(180deg,var(--winter),var(--kin))}
.story-card::after{content:"";position:absolute;inset:7px;border:1px solid var(--kin-light);pointer-events:none}
.story-card:hover{transform:translateY(-3px);box-shadow:0 26px 50px -30px rgba(38,36,42,.55)}
.story-card-image{padding:18px 0 18px 24px}
.story-card-image img{aspect-ratio:3/4;object-fit:cover;width:100%}
.story-card-copy{padding:38px 40px 32px;display:flex;flex-direction:column}
.story-number{font-size:12px;letter-spacing:.22em;color:var(--futaai);margin-bottom:14px}
.story-card h3{font-size:clamp(22px,2.2vw,28px);margin-bottom:10px}
.story-card-sub{font-size:14px;color:var(--ink-soft);margin-bottom:16px}
.story-card-excerpt{font-size:14px;color:var(--ink-soft);line-height:2;max-width:56ch}
.story-card-bottom{margin-top:auto;padding-top:22px;display:flex;justify-content:space-between;font-size:12px;letter-spacing:.16em;color:var(--mute)}
.empty-state{text-align:center;padding:60px 0;color:var(--mute)}
.empty-state span{display:block;font-size:22px;margin-bottom:10px}
.empty-state small{display:block;font-size:12px;letter-spacing:.2em;margin-top:6px}

.next-section{display:grid;grid-template-columns:auto 1fr auto;gap:32px;align-items:center;padding:56px 0 80px;border-top:1px solid var(--line)}
.next-symbol{font-size:28px}
.next-section p{color:var(--ink-soft);font-size:14px;margin-top:8px}
.next-number{font-size:13px;letter-spacing:.3em;color:var(--mute)}

/* フッター */
.site-footer{border-top:1px solid var(--line);padding:36px 0 48px;background:var(--paper-deep)}
.footer-inner{display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.footer-inner b{font-size:16px;letter-spacing:.2em}
.footer-inner p{font-family:var(--latin);font-style:italic;font-size:13px;color:var(--mute)}
.footer-inner>a{margin-left:auto;font-size:12px;letter-spacing:.18em}
.footer-inner small{font-family:var(--latin);font-size:11px;letter-spacing:.2em;color:var(--mute)}

/* 記事ページ */
.breadcrumb{display:flex;gap:10px;font-size:12px;letter-spacing:.16em;color:var(--mute);padding:28px 0 0}
.breadcrumb b{color:var(--ink);font-weight:500}
.article-hero{position:relative;z-index:1;display:grid;grid-template-columns:1fr .8fr auto;gap:48px;align-items:center;padding:56px 0 64px}
.article-date{font-family:var(--latin);font-style:italic;font-size:64px;line-height:1;color:var(--kin);margin:26px 0 10px}
.article-date span{font-style:normal;font-size:14px;letter-spacing:.3em;color:var(--mute);margin-left:6px}
.article-copy h1{font-size:clamp(34px,4vw,54px);margin-bottom:22px}
.article-subtitle{font-size:16px;line-height:2;margin-bottom:16px}
.article-subtitle span{font-size:13px;color:var(--mute)}
.article-details{display:flex;gap:22px;font-size:12px;letter-spacing:.16em;color:var(--mute);margin-bottom:30px}
.article-details span::before{content:"◦ ";color:var(--kin)}
.article-cover .photo-index{position:static}

.essay-section{background:var(--paper-light);border-block:1px solid var(--line);padding:84px 0}
.essay-inner{display:grid;grid-template-columns:200px 1fr;gap:48px}
.essay-aside{display:flex;flex-direction:column;align-items:flex-start;gap:18px;font-size:12px;letter-spacing:.26em;color:var(--mute)}
.vertical-label{height:220px;color:var(--futaai);border-left:1px solid var(--kin-light);padding-left:12px}
.essay-text{max-width:60ch}
.essay-text h2{margin-bottom:28px}
.essay-text p{font-size:16px;line-height:2.3;color:var(--ink-soft)}
.essay-text p+p{margin-top:20px}
.essay-text .drop::first-letter{font-size:2.6em;line-height:1;float:left;margin:8px 10px 0 0;color:var(--futaai)}
.essay-text blockquote{margin:40px 0 0;padding:26px 0 26px 28px;border-left:2px solid var(--kin);font-size:19px;line-height:2.1}

.highlights{padding:84px 0}
.highlight-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px 24px}
.highlight-card{transition:transform .4s var(--ease)}
.highlight-card:hover{transform:translateY(-4px)}
.highlight-media{position:relative;padding:8px;background:var(--paper-light);border:1px solid var(--line-strong);margin-bottom:14px}
.highlight-media::before{content:"";position:absolute;inset:4px;border:1px solid var(--kin-light);pointer-events:none}
.highlight-media img{aspect-ratio:4/5;object-fit:cover;width:100%}
.highlight-meta{display:flex;justify-content:space-between;font-size:11px;letter-spacing:.2em;color:var(--futaai);margin-bottom:6px}
.highlight-title{font-size:18px;margin-bottom:6px}
.highlight-desc{font-size:13px;color:var(--ink-soft);line-height:1.9}

.quiet-interlude{position:relative;background:var(--paper-deep);padding:84px 0;overflow:hidden}
.interlude-inner{position:relative;z-index:1;display:grid;grid-template-columns:.75fr 1fr;gap:56px;align-items:center}
.interlude-photo>span{display:block;text-align:center;font-size:11px;letter-spacing:.28em;color:var(--mute);margin-top:10px}
.interlude-copy h2{margin-bottom:22px}
.interlude-copy p{font-size:15px;line-height:2.2;color:var(--ink-soft);max-width:52ch}
.interlude-calligraphy{margin-top:34px;font-size:22px;letter-spacing:.3em;color:var(--futaai);height:auto;min-height:330px;margin-inline-start:auto;border-right:1px solid var(--kin-light);padding-right:12px}

.gallery-section{padding:84px 0 48px}
.gallery-topline{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:24px}
.gallery-topline p{font-size:13px;letter-spacing:.24em;color:var(--mute)}
.gallery-topline #photoCount{font-family:var(--latin);font-style:italic;font-size:30px;color:var(--kin);margin-right:6px}
.gallery-filters{margin:0}
.gallery-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.gallery-tile{position:relative;min-width:0;text-align:left;background:var(--paper-light);border:1px solid var(--line-strong);padding:6px;transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.gallery-tile::before{content:"";position:absolute;inset:3px;border:1px solid var(--kin-light);pointer-events:none;z-index:1}
.gallery-tile img{aspect-ratio:3/4;object-fit:cover;width:100%}
.gallery-tile:hover{transform:translateY(-3px);box-shadow:0 20px 36px -26px rgba(38,36,42,.6)}
.tile-caption{display:block;font-size:11px;letter-spacing:.08em;color:var(--ink-soft);padding:8px 4px 4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.load-more{display:flex;margin:36px auto 0;padding:12px 30px;border:1px solid var(--ink);font-size:13px;letter-spacing:.2em;transition:all .3s}
.load-more:hover{background:var(--ink);color:var(--paper)}
.gallery-note{font-size:12px;line-height:2;color:var(--mute);max-width:72ch;margin:40px auto 0;text-align:center}

.visit-foot{display:flex;justify-content:space-between;align-items:flex-start;gap:32px;padding:56px 0;border-top:1px solid var(--line)}
.visit-foot h2{margin-bottom:14px}
.visit-foot p{font-size:14px;color:var(--ink-soft);line-height:2}
.visit-foot .ink-link{margin-top:20px}
.visit-hanko{width:44px;padding:14px 0;font-size:18px;margin-top:8px}
.article-bottom-nav{display:flex;justify-content:space-between;font-size:12px;letter-spacing:.2em;color:var(--mute);padding:0 0 72px}
.article-bottom-nav a{color:var(--ink)}

/* 横位置の写真が多い帖: 正方形の額に全体を納める */
.tiles-contain .gallery-tile img{aspect-ratio:1/1;object-fit:contain;background:var(--paper-light)}
.tiles-contain .highlight-media img{aspect-ratio:1/1;object-fit:contain;background:var(--paper-light)}

/* 拡大表示 */
.photo-dialog{border:0;padding:0;background:transparent;max-width:100vw;max-height:100vh;width:100vw;height:100vh}
.photo-dialog::backdrop{background:rgba(38,36,42,.92);background-image:radial-gradient(circle at 20% 30%,rgba(179,155,91,.35) 0 1px,transparent 1.6px),radial-gradient(circle at 70% 70%,rgba(179,155,91,.3) 0 1px,transparent 1.6px);background-size:260px 260px,340px 340px}
.dialog-shell{display:grid;grid-template-rows:auto 1fr auto;height:100%;color:var(--paper);padding:18px 24px}
.dialog-top{display:flex;justify-content:space-between;align-items:center;font-size:12px;letter-spacing:.24em;color:var(--kin-light)}
.dialog-close{font-size:20px;padding:6px 10px;color:var(--paper)}
.dialog-photo{position:relative;display:grid;place-items:center;min-height:0}
.dialog-photo img{max-height:calc(100vh - 150px);max-width:min(92vw,900px);width:auto;height:auto;border:8px solid var(--paper-light);box-shadow:0 30px 70px -30px rgba(0,0,0,.8)}
.nav-photo{position:absolute;top:50%;transform:translateY(-50%);font-size:46px;line-height:1;padding:10px 18px;color:var(--paper);opacity:.75;transition:opacity .2s}
.nav-photo:hover{opacity:1}
.nav-photo.prev{left:0}.nav-photo.next{right:0}
.dialog-bottom{display:flex;justify-content:space-between;gap:16px;align-items:baseline;font-size:13px;letter-spacing:.06em;padding-top:14px}
.dialog-bottom span{font-family:var(--latin);font-style:italic;color:var(--kin-light);letter-spacing:.2em;white-space:nowrap}

@media(min-width:1600px){:root{--wrap:1320px}}
@media(max-width:1000px){
  .home-hero,.article-hero{grid-template-columns:1fr 1fr}
  .hero-epigraph{display:none}
  .highlight-grid{grid-template-columns:repeat(2,1fr)}
  .gallery-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .story-card{grid-template-columns:260px 1fr}
  .intro-section,.essay-inner{grid-template-columns:1fr}
  .essay-aside{flex-direction:row;align-items:center}
  .vertical-label{writing-mode:horizontal-tb;height:auto;border-left:0;padding-left:0}
  .interlude-inner{grid-template-columns:1fr}
  .interlude-photo{max-width:420px}
  .interlude-calligraphy{writing-mode:horizontal-tb;height:auto;margin-inline-start:0;border-right:0;padding-right:0}
}
@media(max-width:700px){
  .wrap{width:calc(100% - 32px)}
  .site-header{padding:12px 16px;gap:12px}
  .site-nav{gap:16px;font-size:12px}
  .nav-edition,.brand small{display:none}
  .brand b{font-size:17px}
  .kasumi-top{top:60px}
  .home-hero,.article-hero{grid-template-columns:1fr;gap:32px;padding:40px 0 40px}
  .hero-copy h1.tate{writing-mode:horizontal-tb;height:auto;font-size:30px;margin:18px 0;line-height:1.6;margin-inline-start:0}
  .hero-lead br{display:none}
  .hero-picture,.article-cover{max-width:420px}
  .article-date{font-size:48px}
  .article-copy h1{font-size:32px}
  .section-top{flex-direction:column;align-items:flex-start;gap:8px}
  .story-card{grid-template-columns:1fr}
  .story-card-image{padding:18px 18px 0 24px}
  .story-card-copy{padding:24px 22px 24px 26px}
  .highlight-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 14px}
  .highlight-title{font-size:15px}
  .gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .essay-section,.highlights,.quiet-interlude,.gallery-section{padding:56px 0}
  .essay-text p{font-size:15px}
  .next-section{grid-template-columns:1fr;gap:16px}
  .visit-foot{flex-direction:column}
  .footer-inner>a{margin-left:0}
  .dialog-shell{padding:12px}
  .dialog-photo img{max-width:94vw;border-width:5px}
  .nav-photo{font-size:36px;padding:8px 10px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}