/* キャディラック祭り 2026 — フライヤーに合わせた50sレトロ */
:root {
  --cream: #f6ead3;
  --cream-2: #fbf4e6;
  --paper: #fffaf0;
  --pink: #d8436c;
  --pink-deep: #b8304f;
  --pink-soft: #f4b6c4;
  --teal: #2a8a8a;
  --teal-deep: #1d5f63;
  --ink: #2b1d22;
  --muted: #7d6a62;
  --line: #e4d2b4;
  --ok: #1f7a4d;
  --err: #c0283a;
  --radius: 16px;
  --title: 'Dela Gothic One', 'Zen Kaku Gothic New', sans-serif;
  --script: 'Pacifico', cursive;
  --num: 'Bebas Neue', sans-serif;
  --body: 'Zen Kaku Gothic New', system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--body);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; height: auto; display: block; }
.muted { color: var(--muted); }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 10px 24px;
  background: var(--teal-deep);
  color: var(--cream-2);
  border-bottom: 4px solid var(--pink);
}
.logo { font-family: var(--title); font-size: 20px; text-decoration: none; letter-spacing: .02em; }
.logo span { font-family: var(--num); font-size: 24px; color: var(--pink-soft); margin-left: 6px; letter-spacing: .06em; }
.nav { display: flex; gap: 20px; font-size: 14px; font-weight: 700; }
.nav a { text-decoration: none; opacity: .85; }
.nav a:hover { opacity: 1; color: var(--pink-soft); }

/* ---------- hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: 56px 24px 72px;
  background:
    radial-gradient(circle at 50% 45%, rgba(246,234,211,.0) 0 18%, rgba(246,234,211,.0) 18%),
    repeating-conic-gradient(from 0deg at 50% 45%, var(--cream) 0 7.5deg, #efdcbc 7.5deg 15deg);
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(60% 55% at 50% 45%, rgba(246,234,211,.9), rgba(246,234,211,0) 75%);
}
.hero-inner {
  position: relative; z-index: 1;
  max-width: 1080px; margin: 0 auto;
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center;
}
.hero-script { font-family: var(--script); color: var(--teal); font-size: 24px; margin: 0 0 4px; transform: rotate(-4deg); transform-origin: left; }
.hero-title {
  font-family: var(--title); font-weight: 400;
  font-size: clamp(44px, 6.4vw, 78px); line-height: 1.12;
  color: var(--pink);
  margin: 0 0 20px;
  text-shadow: 3px 3px 0 var(--paper), 6px 6px 0 var(--teal-deep);
  letter-spacing: .01em;
}
.hero-title span {
  display: inline-block; margin-left: 12px;
  font-family: var(--num); font-size: .9em; color: var(--teal-deep);
  text-shadow: 3px 3px 0 var(--paper); letter-spacing: .04em;
}
.hero-date { display: flex; align-items: baseline; gap: 10px; font-family: var(--num); color: var(--teal-deep); line-height: 1; }
.hero-date-year { font-size: 30px; }
.hero-date-day { font-size: 88px; color: var(--pink); text-shadow: 3px 3px 0 var(--teal-deep); }
.hero-date-week { font-size: 30px; }
.hero-time { font-family: var(--num); font-size: 26px; letter-spacing: .06em; margin: 8px 0 0; color: var(--teal-deep); }
.hero-venue { margin: 2px 0 26px; font-weight: 700; }
.hero-venue strong { font-family: var(--num); font-size: 26px; letter-spacing: .06em; margin-left: 4px; }

.hero-flyer { position: relative; margin: 0; }
.hero-flyer a { display: block; }
.hero-flyer img {
  border: 8px solid var(--paper); border-radius: 6px;
  box-shadow: 0 18px 40px rgba(43,29,34,.25);
  transform: rotate(2.5deg);
  transition: transform .3s;
}
.hero-flyer a:hover img { transform: rotate(0deg) scale(1.01); }
.burst {
  position: absolute; left: -36px; bottom: 40px;
  width: 128px; height: 128px;
  display: grid; place-content: center; text-align: center;
  background: var(--teal-deep); color: var(--cream-2);
  font-weight: 900; font-size: 14px; line-height: 1.1;
  clip-path: polygon(50% 0%,61% 12%,75% 6%,78% 21%,93% 22%,88% 37%,100% 46%,89% 57%,96% 72%,81% 75%,79% 90%,64% 86%,54% 100%,44% 88%,29% 95%,25% 80%,9% 79%,13% 64%,0% 54%,11% 43%,5% 28%,20% 24%,22% 9%,37% 13%);
  transform: rotate(-10deg);
}
.burst b { font-family: var(--num); font-size: 44px; font-weight: 400; color: var(--pink-soft); display: block; line-height: .95; }
.burst small { font-size: 12px; }

/* ---------- ticker ---------- */
.ticker { background: var(--pink); color: var(--cream-2); overflow: hidden; border-block: 4px solid var(--teal-deep); }
.ticker-track { display: flex; gap: 28px; width: max-content; padding: 10px 0; font-family: var(--num); font-size: 22px; letter-spacing: .1em; animation: ticker 28s linear infinite; }
@keyframes ticker { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .ticker-track { animation: none; } }

/* ---------- buttons ---------- */
.btn {
  display: inline-block; cursor: pointer;
  font: 900 17px var(--body); letter-spacing: .04em;
  padding: 14px 34px; border-radius: 999px;
  border: 3px solid var(--ink);
  background: var(--pink); color: var(--paper); text-decoration: none;
  box-shadow: 4px 4px 0 var(--ink);
  transition: transform .12s, box-shadow .12s;
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--ink); }
.btn:active { transform: translate(2px, 2px); box-shadow: 2px 2px 0 var(--ink); }
.btn:disabled { opacity: .55; cursor: wait; transform: none; box-shadow: 4px 4px 0 var(--ink); }
.btn-ghost { background: var(--teal); }

/* ---------- sections ---------- */
.section { max-width: 820px; margin: 0 auto; padding: 88px 24px 0; }
.section:last-of-type { padding-bottom: 88px; }
.section-head { margin-bottom: 22px; }
.eyebrow { font-family: var(--script); font-size: 22px; color: var(--teal); margin: 0; line-height: 1.4; }
.section h2 { font-family: var(--title); font-weight: 400; font-size: 32px; color: var(--pink); margin: 0; line-height: 1.3; }
.prose { margin: 0 0 24px; }

.info { margin: 0 0 16px; border-top: 2px dashed var(--line); }
.info div { display: grid; grid-template-columns: 96px 1fr; gap: 16px; padding: 14px 0; border-bottom: 2px dashed var(--line); }
.info dt { color: var(--teal-deep); font-weight: 900; }
.info dd { margin: 0; }
.link { color: var(--pink-deep); font-weight: 900; text-decoration: none; }
.link:hover { text-decoration: underline; }

/* ---------- lineup ---------- */
.lineup { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; align-items: start; }
.lineup details {
  background: var(--paper); border: 3px solid var(--ink); border-radius: var(--radius);
  box-shadow: 4px 4px 0 var(--teal); overflow: hidden;
}
.lineup li:nth-child(4n+2) details, .lineup li:nth-child(4n+3) details { box-shadow: 4px 4px 0 var(--pink); }
.lineup summary {
  list-style: none; cursor: pointer; position: relative;
  font-family: var(--title); font-size: 22px; text-align: center;
  padding: 18px 44px; transition: background .2s;
}
.lineup summary::-webkit-details-marker { display: none; }
.lineup summary::after {
  content: '+'; position: absolute; right: 16px; top: 50%; transform: translateY(-50%);
  width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center;
  font-family: var(--body); font-weight: 900; font-size: 18px; line-height: 1;
  background: var(--pink); color: var(--paper); transition: transform .2s;
}
.lineup details[open] summary::after { content: '−'; background: var(--teal-deep); }
.lineup summary:hover { background: #fdf0f3; }
.lineup summary:focus-visible { outline: 3px solid var(--pink-soft); outline-offset: -3px; }
.setlist {
  margin: 0; padding: 4px 20px 18px; list-style: none; counter-reset: song;
  border-top: 2px dashed var(--line);
}
.setlist li {
  counter-increment: song; display: grid; grid-template-columns: 28px 1fr; gap: 8px; align-items: baseline;
  padding: 10px 0; border-bottom: 1px dotted var(--line); font-weight: 700;
}
.setlist li:last-child { border-bottom: 0; }
.setlist li::before { content: counter(song, decimal-leading-zero); font-family: var(--num); font-size: 20px; color: var(--pink); }
.lineup details[open] .setlist { animation: open .25s ease-out; }
@keyframes open { from { opacity: 0; transform: translateY(-6px); } }
.lineup-note { font-size: 13px; color: var(--muted); margin: 12px 0 0; }

/* ---------- awards ---------- */
.awards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.award-span { grid-column: 1 / -1; }
.award {
  background: var(--paper); border: 3px solid var(--ink); border-radius: var(--radius);
  padding: 20px 22px; box-shadow: 4px 4px 0 var(--pink);
}
.award:nth-of-type(2n) { box-shadow: 4px 4px 0 var(--teal); }
.award-main { background: linear-gradient(135deg, #fff6e3, var(--paper)); text-align: center; }
.award h3 { font-family: var(--title); font-weight: 400; font-size: 21px; margin: 0 0 6px; line-height: 1.4; }
.award h3 small {
  font-family: var(--body); font-weight: 900; font-size: 12px; vertical-align: 3px;
  background: var(--teal-deep); color: var(--paper); border-radius: 999px; padding: 2px 10px; margin-left: 4px;
}
.award b { font-family: var(--num); font-weight: 400; font-size: 34px; color: var(--pink); letter-spacing: .03em; margin: 0 2px; line-height: 1.1; }
.award-prize { margin: 0; font-weight: 700; }
.award-basis { font-size: 13px; color: var(--muted); margin: 6px 0 0; line-height: 1.6; }
p.award-basis.award-span { margin: -4px 0 6px; text-align: center; }
.award-ranks { list-style: none; padding: 0; margin: 4px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.award-ranks li { text-align: center; background: var(--cream-2); border-radius: 12px; padding: 10px 6px; font-weight: 700; }
.award-ranks li span { display: block; font-size: 13px; color: var(--teal-deep); font-weight: 900; }
.award-ranks li:first-child { background: #fde8ee; }
.award-list { margin: 0; display: grid; gap: 12px; }
.award-list div { border-top: 2px dashed var(--line); padding-top: 10px; }
.award-list div:first-child { border-top: 0; padding-top: 0; }
.award-list dt { font-weight: 900; color: var(--teal-deep); }
.award-list dd { margin: 0; font-weight: 700; }

/* ---------- forms ---------- */
.card { background: var(--paper); border: 3px solid var(--ink); border-radius: var(--radius); padding: 24px; box-shadow: 6px 6px 0 var(--teal-deep); }
.form { display: grid; gap: 18px; }
fieldset { border: 0; padding: 0; margin: 0; }
legend { font-weight: 900; margin-bottom: 10px; }
.field { display: grid; gap: 6px; font-weight: 700; font-size: 14px; }
.field b { font-size: 11px; color: var(--paper); background: var(--pink); border-radius: 4px; padding: 1px 6px; margin-left: 4px; vertical-align: 1px; }
input, select, textarea {
  width: 100%; font: 400 16px var(--body); color: var(--ink);
  background: var(--cream-2); border: 2px solid var(--line); border-radius: 10px; padding: 12px 14px;
}
input:focus, select:focus, textarea:focus { outline: 3px solid var(--pink-soft); border-color: var(--pink); }
.grid-2 { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-msg { margin: 0; min-height: 1.8em; font-weight: 700; }
.form-msg.ok { color: var(--ok); }
.form-msg.err { color: var(--err); }
.form-msg.ok strong { font-family: var(--num); font-size: 32px; letter-spacing: .1em; color: var(--pink); }

/* ---------- comments ---------- */
.comments { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 12px; }
.comment { background: var(--paper); border: 2px solid var(--line); border-left: 6px solid var(--teal); border-radius: 12px; padding: 14px 18px; }
.comment:nth-child(even) { border-left-color: var(--pink); }
.comment-head { display: flex; justify-content: space-between; gap: 12px; font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.comment-head strong { color: var(--ink); font-size: 15px; }
.comment p { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; }

/* ---------- sponsors ---------- */
.sponsors { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.sponsors li { background: var(--paper); border: 2px solid var(--line); border-radius: 12px; padding: 14px; display: grid; gap: 2px; align-content: center; text-align: center; }
.sponsors strong { font-size: 15px; }
.sponsors span { font-size: 12px; color: var(--muted); line-height: 1.5; }

/* ---------- footer ---------- */
.site-footer { background: var(--teal-deep); color: var(--cream-2); border-top: 4px solid var(--pink); padding: 32px 24px; text-align: center; font-size: 14px; }
.site-footer p { margin: 4px 0; }
.site-footer .muted { color: #b9d3cf; }
.footer-script { font-family: var(--script); font-size: 26px; color: var(--pink-soft); }

/* ---------- mobile ---------- */
@media (max-width: 820px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-flyer { max-width: 420px; margin: 0 auto; }
  .burst { left: -12px; }
  .sponsors { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .site-header { padding: 8px 16px; flex-direction: column; gap: 2px; }
  .logo { font-size: 18px; }
  .nav { gap: 14px; font-size: 13px; }
  html { scroll-padding-top: 92px; }
  .hero { padding: 36px 16px 56px; }
  .hero-script { font-size: 20px; }
  .hero-date-day { font-size: 72px; }
  .hero-time { font-size: 21px; letter-spacing: .03em; }
  .hero-flyer { max-width: 340px; }
  .burst { width: 104px; height: 104px; font-size: 12px; }
  .burst b { font-size: 36px; }
  .section { padding: 64px 16px 0; }
  .section h2 { font-size: 26px; }
  .lineup { grid-template-columns: 1fr; }
  .lineup summary { font-size: 19px; padding: 14px 44px; }
  .grid-2 { grid-template-columns: 1fr; }
  .info div { grid-template-columns: 64px 1fr; gap: 12px; }
  .card { padding: 18px; box-shadow: 4px 4px 0 var(--teal-deep); }
  .sponsors { grid-template-columns: 1fr; }
  .awards { grid-template-columns: 1fr; }
  .award b { font-size: 30px; }
  .award-ranks li b { font-size: 24px; }
}