/* =========================================
   全国ぐっと！餃子まつり in 高知  style.css
   餃子(赤) × ビール(ゴールド) × 夏の海(ブルー)
========================================= */
:root{
  --red:#F47B20; --red-dark:#E0631A;
  --gold:#E8A317; --gold-light:#F4C64A; --gold-pale:#FCE9A8;
  --sea:#1AA6C4; --sea-dark:#127C93; --sea-pale:#D6F0F5;
  --cream:#FBF5E6; --cream-dark:#F1E7CF;
  --ink:#2C2620; --ink-soft:#6B6155; --white:#FFFFFF;
  --font:'Hiragino Sans','Hiragino Kaku Gothic ProN','Yu Gothic','YuGothic','Meiryo',sans-serif;
  --hh:60px; --radius:10px; --radius-sm:6px;
  --shadow-sm:0 2px 8px rgba(44,38,32,.1);
  --shadow:0 4px 20px rgba(44,38,32,.14);
  --shadow-lg:0 8px 30px rgba(44,38,32,.2);
  --tr:.22s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--cream);color:var(--ink);line-height:1.8;font-size:16px;-webkit-text-size-adjust:100%}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}
.container{max-width:1100px;margin:0 auto;padding:0 22px}

/* プレースホルダー */
.ph{background:repeating-linear-gradient(-45deg,rgba(26,166,196,.1) 0 1px,transparent 1px 12px),linear-gradient(135deg,#e7ecec,#d7e4e6);display:flex;align-items:center;justify-content:center;color:#8aa0a4;font-size:.8rem;font-weight:bold;border:2px dashed rgba(26,166,196,.4);border-radius:var(--radius)}
.ph-landscape{width:100%;aspect-ratio:3/2}
.ph-square{width:100%;aspect-ratio:4/3;border-radius:var(--radius) var(--radius) 0 0}
.ph-card{width:100%;aspect-ratio:4/3;border:none;border-radius:0;border-bottom:1px dashed rgba(26,166,196,.3)}

/* セクション共通 */
.section{padding:72px 0}
.section-head{text-align:center;margin-bottom:44px;display:flex;flex-direction:column;align-items:center}
.section-en{display:inline-block;font-size:.7rem;letter-spacing:.22em;color:var(--sea);text-transform:uppercase;font-weight:bold;padding:3px 15px;border:1px solid var(--sea);border-radius:100px;margin-bottom:14px}
.section-title{font-size:clamp(1.45rem,4.2vw,2.1rem);font-weight:900;color:var(--ink);position:relative;padding-bottom:16px;letter-spacing:.02em}
.section-title::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:54px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--red),var(--gold))}
.section-title--light{color:var(--white)}
.section-title--light::after{background:linear-gradient(90deg,var(--gold-light),var(--gold-pale))}
.section-sub{margin-top:18px;color:var(--ink-soft);font-size:.95rem}
.section-sub--light{color:rgba(255,255,255,.85)}

/* スクロールフェードイン */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ヘッダー */
.site-header{position:sticky;top:0;z-index:100;height:var(--hh);background:var(--red);box-shadow:0 2px 10px rgba(0,0,0,.2)}
.header-inner{max-width:1100px;margin:0 auto;padding:0 22px;height:100%;display:flex;align-items:center;gap:16px}
.header-logo a{display:flex;align-items:center}
.logo-text{font-size:1rem;font-weight:900;color:var(--white);line-height:1.15;letter-spacing:.02em}
.logo-accent{color:var(--gold-light)}
.logo-sub{font-size:.7rem;margin-left:6px;color:var(--cream)}
.header-nav{margin-left:auto}
.header-nav ul{display:flex;gap:2px}
.header-nav a{display:block;color:rgba(255,255,255,.92);font-size:.82rem;font-weight:bold;padding:7px 11px;border-radius:var(--radius-sm);transition:background var(--tr)}
.header-nav a:hover{background:rgba(255,255,255,.16);color:var(--gold-light)}
.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:38px;height:38px;margin-left:auto;padding:5px}
.hamburger span{display:block;width:100%;height:2px;background:var(--white);border-radius:2px;transition:transform var(--tr),opacity var(--tr)}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.sp-menu{position:fixed;top:var(--hh);left:0;right:0;z-index:99;background:var(--red);box-shadow:0 6px 16px rgba(0,0,0,.25)}
.sp-menu[hidden]{display:none}
.sp-menu ul{display:flex;flex-direction:column}
.sp-menu a{display:block;color:var(--white);padding:14px 24px;font-weight:bold;border-bottom:1px solid rgba(255,255,255,.15)}

/* ファーストビュー
   PC:hero-pc.webp / SP:hero-sp.webp を背景に差し替え */
.hero{position:relative;min-height:82vh;display:flex;align-items:center;justify-content:center;overflow:hidden;
  background-color:#0d6f88;
  background-image:radial-gradient(ellipse 70% 60% at 70% 30%,rgba(244,198,74,.35) 0,transparent 70%),linear-gradient(160deg,#1AA6C4 0%,#0d6f88 55%,#0a5468 100%)}
.hero-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(10,50,64,.15),rgba(10,50,64,.45))}
.hero-content{position:relative;z-index:2;text-align:center;color:var(--white);padding:96px 22px 68px;max-width:760px;width:100%}
.hero-title{margin-bottom:18px}
.hero-title-img{width:100%;max-width:520px;margin:0 auto;filter:drop-shadow(0 4px 14px rgba(0,0,0,.4))}
.hero-title-fallback{display:inline-block;font-size:clamp(2rem,9vw,3.6rem);font-weight:900;line-height:1.1;color:var(--gold-pale);text-shadow:0 3px 14px rgba(0,0,0,.5)}
.hero-title-fallback small{display:block;font-size:.4em;color:var(--white);margin-top:6px}
.hero-catch{font-size:clamp(1rem,3.4vw,1.4rem);font-weight:900;color:var(--gold-pale);margin-bottom:22px;text-shadow:0 2px 10px rgba(0,0,0,.4)}
.hero-info{display:flex;flex-direction:column;gap:4px;margin-bottom:22px;text-shadow:0 2px 8px rgba(0,0,0,.45)}
.hero-date-main{font-size:clamp(1.15rem,4vw,1.7rem);font-weight:900;letter-spacing:.02em}
.hero-date-main small{font-size:.55em;color:var(--gold-light);margin:0 .2em;font-weight:bold}
.hero-time{font-size:.92rem;font-weight:bold}
.hero-venue{font-size:1rem;font-weight:bold}
.hero-free{margin-top:4px}
.hero-free span{display:inline-block;background:var(--red);color:var(--white);font-size:1.15rem;font-weight:900;letter-spacing:.12em;padding:8px 26px;border-radius:100px;border:2px solid var(--gold-light);box-shadow:0 4px 14px rgba(0,0,0,.3)}

/* イベント紹介 */
.section-about{background:var(--white)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.about-img .ph-landscape{box-shadow:var(--shadow-lg);border:3px solid var(--sea-pale)}
.about-lead{font-size:1.15rem;font-weight:900;color:var(--sea-dark);margin-bottom:14px;border-left:4px solid var(--gold);padding-left:14px;line-height:1.6}
.about-lead strong{color:var(--red)}
.about-text p{margin-bottom:12px;font-size:.95rem}

/* 餃子ブース／アラカルト */
.section-gyoza{background:linear-gradient(160deg,#FF9838 0%,#F47B20 55%,#D45E12 100%);position:relative}
.section-gyoza::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 25% 20%,rgba(244,198,74,.14),transparent 55%)}
.section-gyoza .container{position:relative}
.section-alacarte{background:var(--cream)}

.shop-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.shop-grid--alacarte{grid-template-columns:repeat(4,1fr)}
.shop-card{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:0 4px 18px rgba(0,0,0,.18);border:1px solid rgba(244,198,74,.25);transition:transform var(--tr),box-shadow var(--tr);display:flex;flex-direction:column}
.shop-card:hover{transform:translateY(-5px);box-shadow:0 12px 30px rgba(0,0,0,.26)}
.shop-body{padding:15px 16px 17px;flex:1;display:flex;flex-direction:column}
.shop-region{display:inline-block;align-self:flex-start;font-size:.7rem;font-weight:bold;color:var(--white);background:var(--red);padding:2px 10px;border-radius:100px;margin-bottom:8px}
.shop-name{font-size:1.02rem;font-weight:900;color:var(--ink);line-height:1.3;margin-bottom:6px}
.shop-store{font-size:.82rem;font-weight:bold;color:var(--ink-soft)}
.shop-photo{width:100%;aspect-ratio:4/3;object-fit:cover}
.shop-note{text-align:center;margin-top:26px;font-size:.8rem;color:rgba(255,255,255,.7)}
.section-alacarte .shop-note{color:var(--ink-soft)}

/* 家族向け */
.section-family{background:var(--white)}
.family-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.family-card{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--cream-dark)}
.family-card .ph-square{border-radius:0}
.family-name{font-size:1.05rem;font-weight:900;color:var(--sea-dark);padding:14px 16px 4px}
.family-desc{font-size:.85rem;color:var(--ink-soft);padding:0 16px 16px;line-height:1.7}

/* 開催概要 */
.section-overview{background:var(--cream)}
.overview-wrap{max-width:800px;margin:0 auto}
.overview-table{width:100%;border-collapse:collapse;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.overview-table th,.overview-table td{padding:15px 20px;text-align:left;border-bottom:1px solid var(--cream-dark);font-size:.93rem;vertical-align:middle}
.overview-table th{width:130px;font-weight:900;color:var(--white);background:var(--sea-dark);white-space:nowrap}
.overview-table tr:nth-child(even) td{background:var(--cream)}
.overview-table tr:last-child th,.overview-table tr:last-child td{border-bottom:none}
.overview-table a{color:var(--sea-dark);text-decoration:underline}

/* アクセス */
.section-access{background:var(--sea-pale)}
.access-grid{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:start}
.access-map-frame{width:100%;height:340px;border:0;border-radius:var(--radius);box-shadow:var(--shadow)}
.btn-map{display:inline-block;margin-top:12px;background:var(--sea-dark);color:#fff;font-weight:bold;font-size:.88rem;padding:10px 22px;border-radius:var(--radius-sm);transition:background var(--tr)}
.btn-map:hover{background:var(--sea)}
.access-block{margin-bottom:22px}
.access-block:last-child{margin-bottom:0}
.access-heading{font-size:.95rem;font-weight:900;color:var(--red);margin-bottom:7px;padding:5px 12px;border-left:3px solid var(--red);background:rgba(244,123,32,.1);border-radius:0 var(--radius-sm) var(--radius-sm) 0}
.access-info p{font-size:.9rem;line-height:1.85}

/* 後援 */
.section-sponsor{background:var(--white);text-align:center}
.sponsor-text{font-size:1rem;font-weight:bold;color:var(--ink);letter-spacing:.03em}

/* SNS */
.section-sns{background:var(--cream);text-align:center}
.sns-links{display:flex;justify-content:center;flex-wrap:wrap;gap:16px}
.sns-btn{display:inline-flex;align-items:center;gap:12px;padding:15px 34px;border-radius:100px;font-size:1.05rem;font-weight:900;color:#fff;box-shadow:var(--shadow);transition:transform var(--tr),box-shadow var(--tr)}
.sns-btn:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.sns-instagram{background:linear-gradient(45deg,#f09433,#e6683c 25%,#dc2743 50%,#cc2366 75%,#bc1888)}
.sns-x{background:#000}
.sns-x:hover{background:#222}

/* FAQ（全開き・Q赤/A金） */
.section-faq{background:var(--white)}
.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.faq-item{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--cream-dark)}
.faq-q{display:flex;align-items:center;gap:12px;padding:15px 20px;font-weight:bold;font-size:.93rem;color:var(--ink);background:#F3E6C9}
.faq-q::before{content:'Q';flex-shrink:0;width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--red),var(--red-dark));color:#fff;font-size:.8rem;font-weight:900;border-radius:50%}
.faq-a{position:relative;padding:15px 20px 15px 56px;font-size:.9rem;line-height:1.85;background:var(--white);border-top:1px solid var(--cream-dark)}
.faq-a::before{content:'A';position:absolute;left:18px;top:15px;width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#fff;font-size:.82rem;font-weight:900;border-radius:50%}
.faq-contact{max-width:800px;margin:30px auto 0;text-align:center}
.faq-contact p{font-size:.9rem;color:var(--ink-soft);margin-bottom:16px;line-height:1.8}
.faq-contact-btn{display:inline-block;background:linear-gradient(135deg,var(--red),var(--red-dark));color:#fff;font-size:1.02rem;font-weight:900;padding:14px 38px;border-radius:var(--radius-sm);border:1px solid var(--gold-light);box-shadow:0 4px 16px rgba(244,123,32,.38);transition:transform var(--tr),box-shadow var(--tr)}
.faq-contact-btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(244,123,32,.48)}

/* フッター */
.site-footer{background:var(--ink);color:var(--cream);padding:0 0 24px}
.footer-deco{height:5px;background:linear-gradient(90deg,var(--red),var(--gold-light),var(--sea),var(--gold-light),var(--red));margin-bottom:36px}
.footer-inner{max-width:1100px;margin:0 auto;padding:0 22px;display:flex;flex-direction:column;align-items:center;gap:18px;text-align:center}
.footer-logo .logo-text{font-size:1.05rem}
.footer-nav ul{display:flex;flex-wrap:wrap;justify-content:center;gap:4px 14px}
.footer-nav a{color:rgba(251,245,230,.8);font-size:.82rem;transition:color var(--tr)}
.footer-nav a:hover{color:var(--gold-light)}
.footer-copy{font-size:.78rem;color:rgba(251,245,230,.55);padding-top:12px;border-top:1px solid rgba(255,255,255,.12);width:100%}
.footer-copy a{color:var(--gold-light)}

/* レスポンシブ */
@media(max-width:960px){.shop-grid{grid-template-columns:repeat(2,1fr)}.shop-grid--alacarte{grid-template-columns:repeat(2,1fr)}.family-grid{grid-template-columns:1fr}}
@media(max-width:768px){
  :root{--hh:56px}
  .section{padding:52px 0}
  .header-nav{display:none}.hamburger{display:flex}
  .about-grid{grid-template-columns:1fr;gap:28px}
  .access-grid{grid-template-columns:1fr;gap:24px}
  .overview-table th{width:96px;font-size:.85rem;padding:12px 14px}
  .overview-table td{font-size:.88rem;padding:12px 14px}
  .faq-a{padding-left:20px}
  .faq-a::before{display:none}
}
@media(max-width:480px){
  .shop-grid,.shop-grid--alacarte{grid-template-columns:1fr}
  .overview-table,.overview-table tbody,.overview-table tr,.overview-table th,.overview-table td{display:block;width:100%}
  .overview-table th{background:var(--red);border-radius:var(--radius-sm) var(--radius-sm) 0 0;padding:8px 16px}
  .overview-table td{border:1px solid var(--cream-dark);border-top:none;border-radius:0 0 var(--radius-sm) var(--radius-sm);padding:10px 16px;background:var(--white)!important}
}

/* hero full image + infobar (override) */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.hero{display:block;min-height:0;background:none;padding:0}
.hero-img-wrap{width:100%;aspect-ratio:16/9;overflow:hidden}
.hero-img{width:100%;height:100%;object-fit:cover;display:block;background:#0d6f88}
.hero-infobar{background:var(--sea-dark);border-top:3px solid var(--gold)}
.hero-infobar-inner{max-width:1100px;margin:0 auto;padding:16px 22px;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:6px 26px;color:#fff;text-align:center}
.hero-ib-date{font-size:clamp(1.05rem,3.4vw,1.5rem);font-weight:900;letter-spacing:.02em}
.hero-ib-date small{font-size:.55em;color:var(--gold-light);margin:0 .2em;font-weight:bold}
.hero-ib-time{font-size:.9rem;font-weight:bold}
.hero-ib-venue{font-size:.95rem;font-weight:bold}
.logo-img{display:block;height:42px;width:auto}
.family-photo{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;object-position:center bottom}
@media(max-width:768px){.logo-img{height:36px}.hero-infobar-inner{flex-direction:column;gap:4px;padding:14px 18px}}
.family-illust{display:block;width:100%;aspect-ratio:4/3}
.family-photo--illust{object-position:center}
.about-photo{display:block;width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow-lg);border:3px solid var(--gold-light)}

/* 家族向けカード2枚を中央寄せ */
.family-grid{justify-content:center}
.family-card{max-width:340px}
@media(min-width:961px){.family-grid{grid-template-columns:repeat(2,minmax(0,320px))}}