:root{
  --ink:#33303a;--muted:#6b6472;--paper:#fffcfc;--mist:#fbf1f3;
  --sun:#d7b56a;--coral:#c4708a;--sakura:#f4c3ce;--line:#eddfe3;--card:#ffffff;
  --deep:#2b2731;--deep-soft:#3d3844;
  --font-head:"Zen Kaku Gothic New",-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Hiragino Sans","Noto Sans JP",sans-serif;
  --font-logo:"Zen Kaku Gothic New",-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Hiragino Sans",sans-serif;
  --font-body:"Zen Kaku Gothic New",-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Hiragino Sans","Noto Sans JP",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--paper);
  font-family:var(--font-body);
  line-height:1.85;-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%}
img{max-width:100%;height:auto;display:block}
a{color:#5a6a99}
.wrap{width:min(1120px,calc(100% - 36px));margin:0 auto}
.narrow{width:min(760px,calc(100% - 36px));margin:0 auto}

h1,h2,h3,.chip,.prep .num,.city-body h3,.section-kicker,.nav{font-family:var(--font-head)}
.brand strong,.btn,.tag,.badge{font-family:var(--font-logo)}

/* header */
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,252,252,.94);
  backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--line)}
.header-row{display:flex;align-items:center;gap:18px;padding:13px 0}
.brand{display:flex;align-items:baseline;gap:9px;text-decoration:none;color:inherit}
.brand strong{font-size:24px;font-weight:800;letter-spacing:-.01em}
.brand strong b{color:var(--coral)}
.brand span{color:var(--muted);font-size:12px;font-weight:700}
.nav{margin-left:auto;display:flex;gap:18px;font-size:14px;font-weight:700}
.nav a{color:var(--ink);text-decoration:none}
.nav a:hover{color:var(--coral)}

/* hero */
.hero{padding:52px 0 60px}
.hero-grid{display:grid;grid-template-columns:1.14fr .86fr;gap:44px;align-items:center}
.eyebrow{margin:0 0 12px;color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.1em}
.hero h1{margin:0;font-size:clamp(31px,4.2vw,54px);line-height:1.34;letter-spacing:-.01em;font-weight:800}
.hero h1 em{font-style:normal;color:var(--coral)}
.hero-copy{max-width:520px;margin:20px 0 0;color:var(--muted);font-size:16px}
.btn{display:inline-flex;align-items:center;gap:8px;margin-top:26px;padding:15px 28px;border-radius:999px;
  background:var(--coral);color:#fff;font-size:15px;font-weight:800;text-decoration:none;
  box-shadow:0 10px 22px rgba(196,112,138,.32)}
.btn:hover{background:#b0607a}
.btn.ghost{background:transparent;color:var(--deep);border:1.5px solid var(--line);box-shadow:none}
.hero-links{display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin-top:22px}
.chip{padding:8px 15px;border:1px solid var(--line);border-radius:999px;background:#fff;
  font-size:13px;font-weight:700;color:var(--ink);text-decoration:none}
a.chip:hover{border-color:var(--coral);color:var(--coral)}
.hero-photo{border-radius:26px;overflow:hidden;box-shadow:0 18px 40px rgba(51,48,58,.10)}

/* sections */
section.band{background:var(--mist);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
section.dark{background:var(--deep);color:#fff}
section.dark .sec h2{color:#fff}
section.dark .sec-lead{color:#c8c1cf}
section.dark .section-kicker{color:var(--sakura)}
section.dark .city{background:var(--deep-soft);border-color:#4b4553}
section.dark .city-body h3{color:#fff}
section.dark .city-body p{color:#b7afc0}
section.dark .notice{background:rgba(255,255,255,.06);color:#ded7e4;border-left-color:var(--sakura)}
.sec{padding:64px 0}
.section-kicker{margin:0;color:var(--coral);font-size:11px;font-weight:800;letter-spacing:.16em}
.sec h2{margin:6px 0 0;font-size:clamp(25px,3.4vw,37px);line-height:1.42;letter-spacing:-.01em;font-weight:800}
.sec-lead{margin:12px 0 0;color:var(--muted);font-size:15px}

/* article cards */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px}
.post{display:block;border:1px solid var(--line);border-radius:18px;overflow:hidden;
  background:var(--card);text-decoration:none;color:inherit;transition:transform .15s ease,box-shadow .15s ease}
.post{box-shadow:0 6px 18px rgba(51,48,58,.06)}
.post:hover{transform:translateY(-3px);box-shadow:0 18px 38px rgba(51,48,58,.14)}
.post img{aspect-ratio:3/2;object-fit:cover;width:100%}
.post-body{padding:16px 17px 18px}
.tag{display:inline-block;padding:3px 10px;border-radius:999px;background:#fbeaef;
  color:#a8536f;font-size:11px;font-weight:800;letter-spacing:.04em}
.post h3{margin:11px 0 8px;font-size:17px;line-height:1.62;letter-spacing:0}
.post time{color:var(--muted);font-size:12px;font-weight:700}

.post-grid.single{grid-template-columns:1fr}
.post-grid.single .post{display:grid;grid-template-columns:1.1fr 1fr;align-items:stretch}
.post-grid.single .post img{height:100%;aspect-ratio:auto;min-height:230px}
.post-grid.single .post-body{padding:26px 30px;display:flex;flex-direction:column;justify-content:center;align-items:flex-start}
.post-grid.single .post h3{font-size:22px;margin:13px 0 10px;line-height:1.5;letter-spacing:-.005em}
.post-grid.single .post .desc{margin:0 0 12px;color:var(--muted);font-size:14px}

/* prep categories */
.prep-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:26px}
.prep{display:flex;flex-direction:column;min-height:196px;padding:20px 19px;border-radius:18px;
  background:#fff;border:1px solid var(--line);text-decoration:none;color:inherit}
a.prep{box-shadow:0 6px 18px rgba(51,48,58,.06)}
a.prep:hover{border-color:var(--coral);transform:translateY(-2px)}
.prep{transition:transform .15s ease,border-color .15s ease}
.prep .num{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:9px;background:#fbeaef;color:var(--coral);font-size:12px;font-weight:900;letter-spacing:.02em}
.prep h3{margin:14px 0 7px;font-size:18px;line-height:1.5;letter-spacing:0;font-weight:800}
.prep p{margin:0;color:var(--muted);font-size:13.5px}
.prep .more{margin-top:auto;padding-top:12px;font-size:13px;font-weight:800;color:#5a6a99}
.prep .soon{margin-top:auto;padding-top:12px;font-size:12px;font-weight:800;color:#9aa8ae}

/* cities */
.city-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:26px}
.city{position:relative;border-radius:18px;overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:0 8px 22px rgba(51,48,58,.10)}
.city img{aspect-ratio:3/2;object-fit:cover;width:100%}
.city-body{padding:14px 16px 16px}
.city-body p{margin:0;color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.1em}
.city-body h3{margin:4px 0 0;font-size:19px;line-height:1.5;letter-spacing:0}
a.city{display:block;text-decoration:none;color:inherit;transition:transform .15s ease,box-shadow .15s ease}
a.city:hover{transform:translateY(-3px);box-shadow:0 18px 38px rgba(51,48,58,.16)}
.city-more{display:inline-block;margin-top:10px;font-size:12.5px;font-weight:800;color:#5a6a99}
section.dark .city-more{color:var(--sakura)}
.city-note{margin:7px 0 0;color:var(--muted);font-size:12.5px;line-height:1.65;letter-spacing:0}
section.dark .city-note{color:#b0a8ba}
.badge{position:absolute;top:11px;left:11px;padding:5px 11px;border-radius:999px;
  background:var(--coral);color:#fff;font-size:11px;font-weight:800;box-shadow:0 4px 10px rgba(43,39,49,.25)}
.notice{margin-top:24px;padding:17px 19px;border-left:4px solid var(--sun);
  background:#fdf6ec;color:#7a6236;font-size:14px;border-radius:0 10px 10px 0}

/* author */
.author-card{display:flex;gap:22px;align-items:flex-start;margin-top:26px;padding:24px;
  border:1px solid var(--line);border-radius:20px;background:#fff}
.avatar{flex:none;width:76px;height:76px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(140deg,#d1839c,#b26480);color:#fff;font-size:30px;font-weight:800;letter-spacing:0}
.author-card h3{margin:0;font-size:19px}
.author-card .role{margin:3px 0 10px;color:var(--coral);font-size:13px;font-weight:800}
.author-card p{margin:0;color:var(--muted);font-size:14px}
.author-card .link{display:inline-block;margin-top:12px;font-size:13.5px;font-weight:800}

/* footer */
footer{padding:38px 0 46px;background:var(--deep);color:#b7afc0;font-size:13px}
.footer-row{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
.footer-row p{margin:0}
.footer-nav a{margin-left:16px;color:#e6dfe9}

/* article body (下層ページ) */
.page{padding:34px 0 8px}
.crumb{color:var(--muted);font-size:13px;margin:0 0 14px}
.page h1{font-size:clamp(25px,3.4vw,34px);line-height:1.5;letter-spacing:-.005em;margin:0 0 10px}
.page h2{margin:40px 0 12px;font-size:20px;line-height:1.55;letter-spacing:0;padding-left:13px;border-left:5px solid var(--coral)}
.page h3{margin:28px 0 8px;font-size:17px}
.page .meta{color:var(--muted);font-size:13px;font-weight:700}
.page dt{font-weight:800;margin-top:14px}
.page dd{margin:2px 0 0;color:var(--muted)}

@media (max-width:880px){
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .prep-grid,.city-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:780px){
  .post-grid.single .post{grid-template-columns:1fr}
  .post-grid.single .post img{aspect-ratio:3/2;min-height:0}
  .post-grid.single .post-body{padding:16px 17px 18px}
  .post-grid.single .post h3{font-size:19px}
  .header-row{padding:11px 0;gap:12px}
  .brand strong{font-size:22px}
  .brand span{display:none}
  .nav{gap:13px;font-size:13px}
  .hero{padding:26px 0 44px}
  .hero-grid{grid-template-columns:1fr;gap:26px}
  .hero-photo{order:-1;border-radius:18px}
  .sec{padding:46px 0}
  .prep{min-height:0;padding:17px}
  .prep h3{margin-top:12px;font-size:17px}
  .author-card{gap:16px;padding:19px}
  .avatar{width:60px;height:60px;font-size:25px}
  .footer-row{display:block}
  .footer-nav{margin-top:9px}
  .footer-nav a{margin:0 16px 0 0;display:inline-block}
}
@media (max-width:430px){
  .post-grid{grid-template-columns:1fr}
}