/* =========================================
   カミーチャクラブ - 共通スタイル
   和モダン・ヤマナカシャツ オマージュ
   ========================================= */

:root {
  --color-ink: #1a2a47;        /* 主役：藍紺 */
  --color-ink-soft: #2a3a57;
  --color-paper: #f7f4ee;      /* 生成り */
  --color-paper-2: #efeae0;
  --color-line: #d8d2c5;
  --color-text: #2a2a2a;
  --color-text-soft: #5a5a5a;
  --color-accent: #8b6f47;     /* 焦茶（針糸のイメージ） */
  --color-white: #ffffff;
  --font-serif: "Noto Serif JP", "Yu Mincho", "游明朝", "YuMincho", serif;
  --font-sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ ProN W3", "Yu Gothic", "游ゴシック", sans-serif;
  --max-width: 1100px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-paper);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-ink);
  text-decoration: none;
  transition: opacity 0.2s ease;
}
a:hover { opacity: 0.7; }

img { max-width: 100%; height: auto; display: block; }

/* ===== ヘッダー ===== */
.site-header {
  background: var(--color-paper);
  border-bottom: 1px solid var(--color-line);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(247, 244, 238, 0.92);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}
.site-logo {
  font-family: var(--font-serif);
  font-size: 20px;
  letter-spacing: 0.08em;
  color: var(--color-ink);
  font-weight: 600;
}
.site-logo small {
  display: block;
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--color-text-soft);
  font-weight: 400;
  margin-top: 2px;
}
.site-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 28px;
}
.site-nav a {
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--color-ink);
  position: relative;
  padding-bottom: 4px;
}
.site-nav a.is-current::after,
.site-nav a:hover::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  bottom: 0;
  height: 1px;
  background: var(--color-ink);
}

/* ===== ヒーロー ===== */
.hero {
  background: var(--color-ink);
  color: var(--color-white);
  padding: 100px 24px 110px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,0.04) 0, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255,255,255,0.03) 0, transparent 50%);
  pointer-events: none;
}
.hero-eyebrow {
  font-size: 12px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  margin-bottom: 28px;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 500;
  letter-spacing: 0.05em;
  line-height: 1.5;
  margin: 0 0 28px;
}
.hero p {
  font-size: 15px;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.82);
  max-width: 620px;
  margin: 0 auto;
  line-height: 2;
}

/* ===== セクション ===== */
.section {
  padding: 90px 24px;
}
.section-inner {
  max-width: 840px;
  margin: 0 auto;
}
.section-inner.wide {
  max-width: var(--max-width);
}
.section--paper {
  background: var(--color-paper);
}
.section--paper-2 {
  background: var(--color-paper-2);
}
.section--ink {
  background: var(--color-ink);
  color: var(--color-white);
}
.section--ink a { color: var(--color-white); }

.section-eyebrow {
  font-size: 11px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 18px;
  text-align: center;
}
.section--ink .section-eyebrow { color: rgba(255,255,255,0.6); }

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3.5vw, 34px);
  font-weight: 500;
  letter-spacing: 0.05em;
  line-height: 1.6;
  text-align: center;
  margin: 0 0 48px;
}
.section-title.left { text-align: left; }

.lead {
  font-size: 16px;
  line-height: 2.1;
  letter-spacing: 0.04em;
}
.lead + .lead { margin-top: 1.4em; }

/* ===== カード（4つの願い／参加方法など） ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
  margin-top: 48px;
}
.card {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  padding: 36px 28px;
  text-align: left;
}
.card-number {
  font-family: var(--font-serif);
  color: var(--color-accent);
  font-size: 14px;
  letter-spacing: 0.2em;
  margin-bottom: 16px;
}
.card-title {
  font-family: var(--font-serif);
  font-size: 18px;
  letter-spacing: 0.06em;
  margin: 0 0 12px;
  color: var(--color-ink);
}
.card-body {
  font-size: 14px;
  color: var(--color-text-soft);
  line-height: 1.9;
  margin: 0;
}

/* ===== 募集要項風のリスト ===== */
.detail-list {
  border-top: 1px solid var(--color-line);
  margin-top: 32px;
}
.detail-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  padding: 22px 8px;
  border-bottom: 1px solid var(--color-line);
}
.detail-row dt {
  font-family: var(--font-serif);
  color: var(--color-ink);
  letter-spacing: 0.08em;
  font-size: 15px;
}
.detail-row dd {
  margin: 0;
  color: var(--color-text);
  font-size: 15px;
  line-height: 1.9;
}

/* ===== イベントリスト ===== */
.event-list {
  margin-top: 40px;
  display: grid;
  gap: 24px;
}
.event {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  padding: 32px 32px;
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 28px;
  align-items: start;
}
.event-date {
  font-family: var(--font-serif);
}
.event-date .day {
  font-size: 30px;
  color: var(--color-ink);
  letter-spacing: 0.05em;
  display: block;
  line-height: 1.2;
}
.event-date .meta {
  display: block;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--color-text-soft);
  margin-top: 6px;
}
.event-body h3 {
  font-family: var(--font-serif);
  font-size: 19px;
  letter-spacing: 0.05em;
  margin: 0 0 10px;
  color: var(--color-ink);
}
.event-meta {
  font-size: 13px;
  color: var(--color-text-soft);
  letter-spacing: 0.05em;
  margin: 0 0 14px;
}
.event-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
}
.event-tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.2em;
  border: 1px solid var(--color-line);
  padding: 3px 10px;
  margin-right: 6px;
  color: var(--color-text-soft);
}

/* ===== 引用 ===== */
.pull-quote {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.8vw, 28px);
  line-height: 1.9;
  letter-spacing: 0.06em;
  text-align: center;
  margin: 60px auto;
  max-width: 720px;
  color: var(--color-ink);
  position: relative;
  padding: 0 24px;
}
.section--ink .pull-quote { color: var(--color-white); }

/* ===== ボタン ===== */
.btn-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 40px;
}
.btn {
  display: inline-block;
  padding: 16px 36px;
  font-size: 14px;
  letter-spacing: 0.2em;
  border: 1px solid var(--color-ink);
  color: var(--color-ink);
  background: transparent;
  transition: all 0.25s ease;
}
.btn:hover {
  background: var(--color-ink);
  color: var(--color-white);
  opacity: 1;
}
.btn--primary {
  background: var(--color-ink);
  color: var(--color-white);
}
.btn--primary:hover {
  background: var(--color-ink-soft);
  border-color: var(--color-ink-soft);
}
.section--ink .btn {
  border-color: var(--color-white);
  color: var(--color-white);
}
.section--ink .btn:hover {
  background: var(--color-white);
  color: var(--color-ink);
}

/* ===== シグネチャ ===== */
.signature {
  text-align: right;
  margin-top: 40px;
  font-family: var(--font-serif);
  color: var(--color-text-soft);
}
.signature strong {
  display: block;
  font-size: 18px;
  color: var(--color-ink);
  letter-spacing: 0.08em;
  margin-top: 6px;
  font-weight: 500;
}

/* ===== コンタクト ===== */
.contact-block {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  padding: 40px;
  margin-top: 32px;
  text-align: center;
}
.contact-block h3 {
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 0.3em;
  color: var(--color-text-soft);
  margin: 0 0 14px;
  font-weight: 400;
}
.contact-block .big {
  font-family: var(--font-serif);
  font-size: 28px;
  letter-spacing: 0.06em;
  color: var(--color-ink);
}
.contact-block p {
  font-size: 13px;
  color: var(--color-text-soft);
  margin: 10px 0 0;
}

/* ===== FAQ ===== */
.faq-list { margin-top: 40px; }
.faq-item {
  border-bottom: 1px solid var(--color-line);
  padding: 24px 8px;
}
.faq-item:first-of-type { border-top: 1px solid var(--color-line); }
.faq-q {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--color-ink);
  letter-spacing: 0.05em;
  margin: 0 0 10px;
}
.faq-q::before {
  content: "Q.";
  font-family: var(--font-serif);
  color: var(--color-accent);
  margin-right: 12px;
  letter-spacing: 0.1em;
}
.faq-a {
  font-size: 14.5px;
  color: var(--color-text-soft);
  line-height: 1.9;
  margin: 0;
  padding-left: 28px;
}

/* ===== フッター ===== */
.site-footer {
  background: var(--color-ink);
  color: rgba(255,255,255,0.78);
  padding: 60px 24px 36px;
  text-align: center;
}
.site-footer .footer-logo {
  font-family: var(--font-serif);
  font-size: 18px;
  letter-spacing: 0.12em;
  color: var(--color-white);
  margin-bottom: 18px;
}
.site-footer p {
  font-size: 13px;
  letter-spacing: 0.05em;
  margin: 6px 0;
}
.site-footer a { color: rgba(255,255,255,0.78); }
.site-footer a:hover { color: var(--color-white); }
.footer-nav {
  margin: 24px 0 32px;
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}
.footer-nav a { font-size: 13px; letter-spacing: 0.1em; }
.copy {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.5);
  margin-top: 24px;
}

/* ===== レスポンシブ ===== */
@media (max-width: 720px) {
  .header-inner { flex-direction: column; align-items: flex-start; gap: 14px; padding: 14px 20px; }
  .site-nav ul { gap: 18px; flex-wrap: wrap; }
  .site-nav a { font-size: 13px; }
  .hero { padding: 70px 20px 80px; }
  .section { padding: 64px 20px; }
  .detail-row { grid-template-columns: 1fr; gap: 6px; padding: 18px 4px; }
  .event { grid-template-columns: 1fr; gap: 14px; padding: 24px; }
  .event-date .day { font-size: 22px; }
  .contact-block { padding: 28px 20px; }
  .contact-block .big { font-size: 22px; }
}

/* =========================================
   写真関連スタイル（追加分）
   ========================================= */

/* セクションの上下に置く、画面いっぱいの写真帯 */
.photo-band {
  width: 100%;
  height: clamp(280px, 50vw, 520px);
  overflow: hidden;
  position: relative;
}
.photo-band img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* メッセージの隣に置く、肖像写真 */
.message-with-portrait {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 48px;
  align-items: start;
}
.message-with-portrait .portrait {
  border: 1px solid var(--color-line);
  background: var(--color-paper-2);
}
.message-with-portrait .portrait img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
}
.message-with-portrait .portrait figcaption {
  padding: 14px 16px;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--color-text-soft);
  background: var(--color-white);
  border-top: 1px solid var(--color-line);
  text-align: center;
}

/* 工程ギャラリー（3枚並び） */
.process-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 48px;
}
.process-gallery figure {
  margin: 0;
  background: var(--color-paper-2);
  border: 1px solid var(--color-line);
}
.process-gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}
.process-gallery figcaption {
  padding: 12px 14px;
  font-family: var(--font-serif);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--color-text-soft);
  background: var(--color-white);
  border-top: 1px solid var(--color-line);
  text-align: center;
}

/* 単体写真（センター寄せ） */
.solo-photo {
  margin: 48px auto 0;
  max-width: 720px;
}
.solo-photo img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  display: block;
  border: 1px solid var(--color-line);
}
.solo-photo figcaption {
  margin-top: 14px;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--color-text-soft);
  text-align: center;
}

@media (max-width: 720px) {
  .message-with-portrait { grid-template-columns: 1fr; gap: 28px; }
  .message-with-portrait .portrait { max-width: 240px; margin: 0 auto; }
  .process-gallery { grid-template-columns: 1fr; gap: 14px; }
}