/*
Theme Name:  Minoh50th
Theme URI:   https://minoh-shotengai.jp/
Author:      箕面市商店会連合会
Description: 箕面市商店会連合会 創立50周年記念特設サイト
Version:     1.0.0
License:     All Rights Reserved
Text Domain: minoh50th
*/

/* ============================================================
   CSS カスタムプロパティ
============================================================ */
:root {
  --clr-gold:        #C9963A;
  --clr-gold-light:  #E8C97A;
  --clr-gold-dark:   #8B6320;
  --clr-ink:         #1A1208;
  --clr-cream:       #FAF7F0;
  --clr-warm:        #F5EED8;
  --clr-red:         #9B2335;
  --clr-red-light:   #C0392B;
  --clr-gray:        #6B6050;
  --clr-light-gray:  #E8E0D0;

  --ff-serif:  'Noto Serif JP', 'Yu Mincho', '游明朝', serif;
  --ff-sans:   'Noto Sans JP', sans-serif;
  --ff-latin:  'Cormorant Garamond', serif;

  --transition: 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ============================================================
   ベーススタイル
============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--ff-sans);
  background-color: var(--clr-cream);
  color: var(--clr-ink);
  overflow-x: hidden;
}

/* ============================================================
   カスタムボタン
============================================================ */
.btn-primary-custom {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .75rem 2rem;
  background: var(--clr-gold);
  color: #fff;
  font-family: var(--ff-serif);
  font-weight: 600;
  font-size: .9rem;
  letter-spacing: .12em;
  border: none;
  border-radius: 0;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
}
.btn-primary-custom::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--clr-red);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition);
}
.btn-primary-custom:hover::before { transform: scaleX(1); transform-origin: left; }
.btn-primary-custom span,
.btn-primary-custom i { position: relative; z-index: 1; }
.btn-primary-custom:hover { color: #fff; }

.btn-outline-custom {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .65rem 1.75rem;
  background: transparent;
  color: var(--clr-gold);
  font-family: var(--ff-serif);
  font-weight: 600;
  font-size: .85rem;
  letter-spacing: .1em;
  border: 1.5px solid var(--clr-gold);
  border-radius: 0;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
}
.btn-outline-custom:hover {
  background: var(--clr-gold);
  color: #fff;
}

.btn-white-custom {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .75rem 2rem;
  background: #fff;
  color: var(--clr-gold-dark);
  font-family: var(--ff-serif);
  font-weight: 700;
  font-size: .9rem;
  letter-spacing: .12em;
  border: none;
  border-radius: 0;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
}
.btn-white-custom:hover {
  background: var(--clr-ink);
  color: var(--clr-gold-light);
}

/* ============================================================
   ヘッダー / ナビゲーション
============================================================ */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition);
}
#site-header.scrolled {
  background: rgba(26, 18, 8, 0.96);
  box-shadow: 0 2px 24px rgba(0,0,0,.35);
}
/* インナーページではheaderをstickyに */
body.is-inner #site-header {
  position: sticky;
  background: rgba(26, 18, 8, 0.96);
  box-shadow: 0 2px 24px rgba(0,0,0,.35);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
}
.site-logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  text-decoration: none;
}
.logo-anniversary {
  font-family: var(--ff-latin);
  font-size: 1rem;
  font-style: italic;
  color: var(--clr-gold-light);
  letter-spacing: .2em;
  opacity: .85;
}
.logo-name {
  font-family: var(--ff-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: .08em;
}
.navbar-nav .nav-link {
  font-family: var(--ff-serif);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .1em;
  color: rgba(255,255,255,.82) !important;
  padding: .4rem .85rem !important;
  position: relative;
  transition: color .3s;
}
.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%; right: 50%;
  height: 1px;
  background: var(--clr-gold-light);
  transition: left .3s, right .3s;
}
.navbar-nav .nav-link:hover { color: var(--clr-gold-light) !important; }
.navbar-nav .nav-link:hover::after { left: .85rem; right: .85rem; }
.navbar-toggler {
  border: 1.5px solid rgba(255,255,255,.5);
  padding: .35rem .55rem;
}
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30'%3E%3Cpath stroke='rgba(255,255,255,0.85)' stroke-linecap='round' stroke-width='2' d='M5 7h20M5 15h20M5 23h20'/%3E%3C/svg%3E");
}

@media (max-width: 991px) {
  .header-inner { padding: .75rem 1.25rem; }
  .navbar-collapse {
    background: rgba(26, 18, 8, 0.97);
    padding: 1rem 1.5rem 1.5rem;
    margin-top: .5rem;
  }
  .navbar-nav .nav-link { padding: .65rem 0 !important; border-bottom: 1px solid rgba(255,255,255,.08); }
  .navbar-nav .nav-link::after { display: none; }
}

@media (max-width: 575px) {
  .header-inner { padding: .6rem 1rem; }
  .logo-anniversary { font-size: .78rem; letter-spacing: .12em; }
  .logo-name { font-size: .88rem; letter-spacing: .04em; }
  .navbar-toggler { flex-shrink: 0; margin-left: .5rem; }
}

/* ============================================================
   ヒーロー（トップページ）
============================================================ */
#hero {
  position: relative;
  height: 100vh;
  min-height: 620px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(160deg, rgba(26,18,8,.78) 0%, rgba(139,99,32,.45) 55%, rgba(26,18,8,.82) 100%),
    url('./images/hero-pc.jpg') center/cover no-repeat;
}
@media (max-width: 575px) {
  .hero-bg {
    background:
      linear-gradient(160deg, rgba(26,18,8,.78) 0%, rgba(139,99,32,.45) 55%, rgba(26,18,8,.82) 100%),
      url('./images/hero-sp.jpg') center top / cover no-repeat;
  }
}
.hero-pattern {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    45deg,
    transparent, transparent 38px,
    rgba(201,150,58,.06) 38px,
    rgba(201,150,58,.06) 40px
  );
  pointer-events: none;
}
.hero-content { position: relative; z-index: 2; padding: 0 1.5rem; }
.hero-eyebrow {
  font-family: var(--ff-latin);
  font-size: clamp(.85rem, 2vw, 1.1rem);
  letter-spacing: .35em;
  color: var(--clr-gold-light);
  text-transform: uppercase;
  margin-bottom: 1rem;
  opacity: 0;
  animation: fadeUp .8s .3s forwards;
}
.hero-number {
  font-family: var(--ff-latin);
  font-size: clamp(6rem, 18vw, 14rem);
  font-weight: 300;
  font-style: italic;
  line-height: .9;
  color: transparent;
  -webkit-text-stroke: 1px rgba(201,150,58,.45);
  position: absolute;
  top: 50%;
  right: -2vw;
  transform: translateY(-50%);
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  animation: fadeIn 1.2s .6s forwards;
}
.hero-title {
  font-family: var(--ff-serif);
  font-weight: 900;
  font-size: clamp(2.4rem, 6vw, 5.2rem);
  line-height: 1.2;
  color: #fff;
  letter-spacing: .05em;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp .9s .5s forwards;
}
.hero-title em { font-style: normal; color: var(--clr-gold-light); position: relative; }
.hero-title em::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 0; right: 0;
  height: 2px;
  background: var(--clr-gold);
}
.hero-sub {
  font-family: var(--ff-serif);
  font-size: clamp(.95rem, 2.2vw, 1.2rem);
  font-weight: 300;
  color: rgba(255,255,255,.8);
  letter-spacing: .12em;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeUp .9s .7s forwards;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp .9s .9s forwards;
}
.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .4rem;
  color: rgba(255,255,255,.55);
  font-family: var(--ff-latin);
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.hero-scroll::after {
  content: '';
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,.5), transparent);
  animation: scrollLine 1.8s ease-in-out infinite;
}

/* ============================================================
   セクション共通
============================================================ */
.section-label {
  font-family: var(--ff-latin);
  font-size: .75rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--clr-gold);
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: .75rem;
}
.section-label::before, .section-label::after {
  content: '';
  flex: 0 0 32px;
  height: 1px;
  background: var(--clr-gold);
}
.section-title {
  font-family: var(--ff-serif);
  font-size: clamp(1.7rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--clr-ink);
  line-height: 1.35;
  letter-spacing: .04em;
}
.section-title--white { color: #fff; }
.section-lead {
  font-size: clamp(.9rem, 1.8vw, 1.05rem);
  line-height: 2;
  color: var(--clr-gray);
  letter-spacing: .04em;
}
.divider-ornament {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin: 1.5rem 0;
}
.divider-ornament::before, .divider-ornament::after {
  content: '';
  flex: 0 0 60px;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--clr-gold-light));
}
.divider-ornament::after { background: linear-gradient(to left, transparent, var(--clr-gold-light)); }
.divider-ornament i { color: var(--clr-gold); font-size: .85rem; }

/* ============================================================
   会長挨拶
============================================================ */
#greeting {
  padding: 6rem 0;
  background: var(--clr-cream);
  position: relative;
  overflow: hidden;
}
#greeting::before {
  content: '祝';
  position: absolute;
  top: -2rem; right: -1rem;
  font-family: var(--ff-serif);
  font-size: 20rem;
  font-weight: 900;
  color: rgba(201,150,58,.04);
  pointer-events: none;
  line-height: 1;
}
.greeting-photo { position: relative; }
.greeting-photo img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  display: block;
}
.greeting-photo-frame {
  position: absolute;
  inset: 16px -16px -16px 16px;
  border: 2px solid var(--clr-gold-light);
  z-index: -1;
}
.greeting-text {
  font-family: var(--ff-serif);
  font-size: clamp(.95rem, 1.6vw, 1.05rem);
  line-height: 2.2;
  color: var(--clr-gray);
  letter-spacing: .06em;
}
.greeting-sign {
  font-family: var(--ff-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--clr-ink);
  letter-spacing: .1em;
}
.greeting-sign span {
  font-size: .8rem;
  font-weight: 400;
  color: var(--clr-gray);
  display: block;
  margin-bottom: .3rem;
}

/* ============================================================
   50年のあゆみ（タイムライン）
============================================================ */
#history {
  padding: 6rem 0;
  background: var(--clr-ink);
  position: relative;
  overflow: hidden;
}
#history::after {
  content: '50';
  position: absolute;
  bottom: -4rem; left: -2rem;
  font-family: var(--ff-latin);
  font-size: 28rem;
  font-weight: 600;
  font-style: italic;
  color: rgba(255,255,255,.025);
  pointer-events: none;
  line-height: 1;
}
.timeline { position: relative; padding: 2rem 0; }
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--clr-gold), transparent);
  transform: translateX(-50%);
}
.timeline-item {
  display: grid;
  grid-template-columns: 1fr 3rem 1fr;
  gap: 0 1rem;
  margin-bottom: 3rem;
  align-items: center;
}
.timeline-item:nth-child(even) .tl-content { grid-column: 3; }
.timeline-item:nth-child(even) .tl-year   { grid-column: 2; grid-row: 1; }
.timeline-item:nth-child(odd)  .tl-content { grid-column: 1; text-align: right; }
.timeline-item:nth-child(odd)  .tl-year   { grid-column: 2; grid-row: 1; }
.timeline-item:nth-child(odd)  .tl-spacer  { grid-column: 3; }
.timeline-item:nth-child(even) .tl-spacer  { grid-column: 1; }
.tl-year { display: flex; align-items: center; justify-content: center; }
.tl-year-inner {
  width: 3rem; height: 3rem;
  border-radius: 50%;
  background: var(--clr-gold);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--ff-latin);
  color: #fff;
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: .05em;
  position: relative;
  z-index: 1;
}
.tl-year-inner strong { font-size: 1rem; line-height: 1; }
.tl-content {
  padding: 1.25rem 1.5rem;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(201,150,58,.2);
}
.tl-content h4 {
  font-family: var(--ff-serif);
  font-size: .95rem;
  font-weight: 700;
  color: var(--clr-gold-light);
  margin-bottom: .35rem;
  letter-spacing: .06em;
}
.tl-content p {
  font-size: .85rem;
  color: rgba(255,255,255,.6);
  margin: 0;
  line-height: 1.8;
}
@media (max-width: 767px) {
  .timeline::before { left: 1.5rem; }
  .timeline-item { grid-template-columns: 3rem 1fr; }
  .timeline-item:nth-child(even) .tl-content,
  .timeline-item:nth-child(odd)  .tl-content { grid-column: 2; text-align: left; }
  .timeline-item .tl-year { grid-column: 1; }
  .timeline-item .tl-spacer { display: none; }
}

/* ============================================================
   加盟商店会
============================================================ */
#member-shops { padding: 6rem 0; background: var(--clr-warm); }
.shop-card { position: relative; overflow: hidden; display: block; text-decoration: none; }
.shop-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
  transition: transform .6s ease;
}
.shop-card:hover img { transform: scale(1.07); }
.shop-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,18,8,.85) 0%, transparent 55%);
  transition: opacity var(--transition);
}
.shop-card:hover .shop-card-overlay { opacity: .9; }
.shop-card-body { position: absolute; bottom: 0; left: 0; right: 0; padding: 1.5rem; }
.shop-card-tag {
  font-family: var(--ff-latin);
  font-size: .7rem;
  letter-spacing: .2em;
  color: var(--clr-gold-light);
  text-transform: uppercase;
  margin-bottom: .4rem;
  display: block;
}
.shop-card-name {
  font-family: var(--ff-serif);
  font-size: clamp(.85rem, 1.1vw, 1.05rem);
  font-weight: 700;
  color: #fff;
  letter-spacing: .06em;
  margin: 0 0 .35rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.shop-card:hover .shop-card-name { white-space: normal; overflow: visible; text-overflow: clip; }
@media (max-width: 991px) {
  .shop-card-name { font-size: 1.05rem; white-space: normal; overflow: visible; text-overflow: clip; }
}
.shop-card-count {
  font-size: .78rem;
  color: rgba(255,255,255,.65);
  font-family: var(--ff-sans);
  display: flex;
  align-items: center;
  gap: .3rem;
}

/* ============================================================
   記念誌セクション
============================================================ */
#memorial-book {
  padding: 6rem 0;
  background: var(--clr-red);
  position: relative;
  overflow: hidden;
}
#memorial-book::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent, transparent 48px,
    rgba(0,0,0,.07) 48px,
    rgba(0,0,0,.07) 50px
  );
}
.book-mockup { position: relative; perspective: 800px; }
.memorial-features { list-style: none; padding: 0; margin: 0; }
.memorial-features li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.85);
  font-size: .95rem;
  line-height: 1.7;
}
.memorial-features li i { color: var(--clr-gold-light); font-size: 1.1rem; flex-shrink: 0; margin-top: .15rem; }

/* ============================================================
   お知らせ
============================================================ */
#news { padding: 5rem 0; background: var(--clr-cream); }
.news-item {
  display: flex;
  gap: 1.5rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--clr-light-gray);
  text-decoration: none;
  transition: background var(--transition);
}
.news-item:hover { background: rgba(201,150,58,.05); }
.news-date {
  flex-shrink: 0;
  font-family: var(--ff-latin);
  font-size: .85rem;
  color: var(--clr-gray);
  letter-spacing: .08em;
  padding-top: .15rem;
}
.news-badge {
  flex-shrink: 0;
  align-self: flex-start;
  padding: .15rem .6rem;
  font-size: .7rem;
  font-family: var(--ff-serif);
  letter-spacing: .06em;
  background: var(--clr-gold);
  color: #fff;
  white-space: nowrap;
}
.news-title {
  font-family: var(--ff-serif);
  font-size: .95rem;
  font-weight: 600;
  color: var(--clr-ink);
  letter-spacing: .04em;
  line-height: 1.6;
}
.news-item:hover .news-title { color: var(--clr-gold-dark); }

/* ============================================================
   連合会について（CTA）
============================================================ */
#about {
  padding: 6rem 0;
  background: var(--clr-ink);
  text-align: center;
  position: relative;
  overflow: hidden;
}
#about::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(201,150,58,.12) 0%, transparent 65%);
}
.about-number {
  font-family: var(--ff-latin);
  font-size: clamp(4rem, 12vw, 10rem);
  font-weight: 300;
  font-style: italic;
  color: transparent;
  -webkit-text-stroke: 1px rgba(201,150,58,.3);
  display: block;
  line-height: 1;
  margin-bottom: -1rem;
}

/* ============================================================
   フッター
============================================================ */
#site-footer { background: #0D0B06; padding: 3.5rem 0 1.5rem; }
.footer-logo {
  font-family: var(--ff-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--clr-gold-light);
  letter-spacing: .1em;
}
.footer-copy { font-size: .75rem; color: rgba(255,255,255,.3); letter-spacing: .08em; }
.footer-nav a {
  font-family: var(--ff-serif);
  font-size: .78rem;
  color: rgba(255,255,255,.5);
  text-decoration: none;
  letter-spacing: .08em;
  transition: color .3s;
}
.footer-nav a:hover { color: var(--clr-gold-light); }

/* ============================================================
   キーフレーム
============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 1; }
  50%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  51%  { transform: scaleY(1); transform-origin: bottom; opacity: 1; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* ============================================================
   スクロール入場アニメーション
   ※ JSが有効な場合のみ .js-reveal クラスで制御
============================================================ */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity .8s ease, transform .8s ease;
}
/* JSロード後にjs-enabledクラスが付与された場合のみアニメーション */
body.js-enabled .reveal {
  opacity: 0;
  transform: translateY(32px);
}
body.js-enabled .reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   ユーティリティ
============================================================ */
.gold-text { color: var(--clr-gold); }
.gold-border-bottom { border-bottom: 2px solid var(--clr-gold); }

@media (max-width: 575px) {
  #greeting, #history, #member-shops, #memorial-book, #news, #about { padding: 4rem 0; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
}

/* ============================================================
   ページトップへ戻るボタン
============================================================ */
#back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  width: 48px;
  height: 48px;
  background: var(--clr-gold);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity .3s, visibility .3s, transform .3s, background .3s;
  box-shadow: 0 4px 16px rgba(0,0,0,.25);
}
#back-to-top:hover {
  background: var(--clr-gold-dark);
}
#back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
@media (max-width: 575px) {
  #back-to-top {
    width: 42px;
    height: 42px;
    bottom: 1.25rem;
    right: 1.25rem;
  }
}

/* 会長挨拶セクション：スマホで写真を非表示 */
@media (max-width: 991px) {
  #greeting .greeting-photo {
    display: none;
  }
}