/* =====================
   Base
===================== */

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 
               "Segoe UI", "Hiragino Kaku Gothic ProN",
               "Hiragino Sans", Meiryo, sans-serif;
  background-color: #f5f7f7;
  color: #1f2937;
  line-height: 1.7;
}

/* =====================
   Layout
===================== */

.header {
  /* background: linear-gradient(135deg, #fff0f0, #fff0f0); sakura
  color: #2f2f2f; */
  background: linear-gradient(135deg, #0f766e, #018838);
  color: #f5f7f7;
  padding: 32px 16px;
  text-align: center;
}

.header h1 {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 600;
}

.container {
  max-width: 720px;
  margin: -24px auto 0;
  padding: 0 16px 48px;
}

/* =====================
   Card
===================== */

section {
  background: #fff;
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.05);
  overflow: hidden;
}


/*#e9fae2  GreenButton*/
section h2 {
  margin-top: 0;
  font-size: 1.1rem;
  color: #0f766e;
  border-left: 4px solid #0f766e;
  padding-left: 10px;
}

/* =====================
   Intro
===================== */

.intro p {
  margin: 0;
  font-size: 0.95rem;
}

/* =====================
   Notice
===================== */

.notice {
  background: #fefce8;
  border: 1px solid #fde68a;
}

.notice ul {
  padding-left: 1.2em;
  margin: 0;
}

.notice li {
  margin-bottom: 8px;
  font-size: 0.9rem;
}

/* =====================
   Venues (Buttons)
===================== */

.venues h2 {
  text-align: center;
  border: none;
  padding: 0;
}

.venue-btn {
  display: block;
  text-align: center;
  padding: 18px 16px;
  margin-top: 14px;
  border-radius: 10px;
  /*green*/
  background: #0f766e; 
  color: #fff0f0;
  /*sakura*/
  /*background: #fff0f0; 
  color: #2f2f2f;*/
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  transition: background 0.2s, transform 0.1s;
}

.venue-btn:hover {
  background: #0d9488;
  transform: translateY(-1px);
}

/* =====================
   Responsive
===================== */

@media (min-width: 768px) {
  .header h1 {
    font-size: 1.9rem;
  }

  .venue-btn {
    font-size: 1.05rem;
  }
}


/* =====================
   Step (route)
===================== */

.step {
  margin-top: 24px;
}

.step h3 {
  margin-bottom: 8px;
  font-size: 1rem;
  color: #0f766e;
}

.step p {
  margin-bottom: 12px;
  font-size: 0.95rem;
}


/* =====================
    images
===================== */

/* 共通 img 基本ルールはそのまま活かす */
figure img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.08);
}

/* 横並びコンテナ */
figure.image-row {
  display: flex;
  gap: 16px;
  align-items: stretch;
  flex-wrap: wrap;

  
  max-width: 1200px;   /* 1100〜1300pxで好み */
  margin-inline: auto;
  padding-inline: 32px;        /* ← 中の
}


figure.image-row .image-cell:first-child {
  flex: 9;   /* 左を大きく */
}

figure.image-row .image-cell:last-child {
  flex: 3;   /* 右を小さく */
}


/* ← レイアウトの主役はこっち */
figure.image-row .image-cell {
  width: calc(50% - 8px);
  /*aspect-ratio: 16 / 9;   /* 左画像基準 */
  aspect-ratio: 5 / 4;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 中身は「収まる」だけ */
figure.image-row img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* キャプションは横いっぱい */
figure.image-row figcaption {
  width: 100%;
  margin-top: 8px;
  font-size: 0.8rem;
  color: #6b7280;
}

/*スマホは縦並び*/
@media (max-width: 768px) {
  figure.image-row {
    flex-direction: column;
  }

  figure.image-row .image-cell {
    width: 100%;
  }
}


/*
figure {
  margin: 0;
  max-width: 100%;
}

figure img {
  display:  block;
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.08);
}

figcaption {
  margin-top: 4px;
  font-size: 0.8rem;
  color: #6b7280;
}

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


figure.image-row {
  display: flex;
  gap: 16px;
  flex-wrap: nowrap;   /* ← まずは横固定 
  align-items: flex-start;
}

figure.image-row img {
  display: block;
  width: 50%;          /* ← ここが最大のポイント 
  height: auto;
}
*/