:root {
  --color-primary: #ff6b35;
  --color-primary-dark: #e8551f;
  --color-bg: #f7f7f5;
  --color-card: #ffffff;
  --color-text: #2b2b2b;
  --color-muted: #6b6b6b;
  --color-border: #e2e0dc;
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
}

header {
  background-color: var(--color-primary);
  color: #fff;
  padding: 24px 16px;
  text-align: center;
}

header h1 {
  margin: 0;
  font-size: 1.5rem;
}

header p {
  margin: 8px 0 0;
  font-size: 0.9rem;
  opacity: 0.9;
}

main {
  max-width: 560px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

.card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.form-group {
  margin-bottom: 20px;
}

label {
  display: block;
  font-weight: bold;
  margin-bottom: 8px;
  font-size: 0.95rem;
}

input[type="number"],
select {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 1rem;
  background-color: #fff;
  color: var(--color-text);
}

input[type="number"]:focus,
select:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

.hint {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-top: 4px;
}

button[type="submit"] {
  width: 100%;
  padding: 14px;
  font-size: 1.05rem;
  font-weight: bold;
  color: #fff;
  background-color: var(--color-primary);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

button[type="submit"]:hover {
  background-color: var(--color-primary-dark);
}

#result {
  text-align: center;
  border-top: 2px dashed var(--color-border);
  padding-top: 20px;
  margin-top: 20px;
}

#result-kcal {
  font-size: 2rem;
  font-weight: bold;
  color: var(--color-primary-dark);
}

#result-detail {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-top: 8px;
}

.ad-disclosure {
  font-size: 0.75rem;
  color: var(--color-muted);
  margin: 0 0 16px;
}

.recommend-list {
  display: grid;
  gap: 12px;
}

.recommend-card {
  display: block;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 14px 16px;
  text-decoration: none;
  color: var(--color-text);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.recommend-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.recommend-card .recommend-name {
  font-weight: bold;
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.recommend-card .recommend-name::after {
  content: "→";
  float: right;
  color: var(--color-primary);
}

.recommend-card .recommend-copy {
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* ===== 記事ページ用 ===== */
.site-title {
  margin: 0;
  font-size: 1.25rem;
}

.site-title a {
  color: #fff;
  text-decoration: none;
}

.breadcrumb {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-bottom: 16px;
}

.breadcrumb a {
  color: var(--color-primary-dark);
  text-decoration: none;
}

.article h1 {
  font-size: 1.5rem;
  line-height: 1.5;
  margin: 0 0 8px;
}

.article .lead {
  color: var(--color-muted);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.article h2 {
  font-size: 1.2rem;
  border-left: 5px solid var(--color-primary);
  padding-left: 12px;
  margin: 32px 0 12px;
}

.article h3 {
  font-size: 1.05rem;
  margin: 24px 0 8px;
}

.article p {
  font-size: 0.95rem;
  margin: 0 0 16px;
}

.article table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 16px 0 24px;
}

.article th,
.article td {
  border: 1px solid var(--color-border);
  padding: 8px 10px;
  text-align: left;
}

.article th {
  background-color: #faf3ee;
}

.cta-box {
  background-color: #fff3ec;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  margin: 28px 0;
}

.cta-box p {
  margin: 0 0 12px;
  font-weight: bold;
}

.cta-button {
  display: inline-block;
  background-color: var(--color-primary);
  color: #fff;
  text-decoration: none;
  font-weight: bold;
  padding: 12px 24px;
  border-radius: 8px;
  transition: background-color 0.15s ease;
}

.cta-button:hover {
  background-color: var(--color-primary-dark);
}

.article-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.article-list li {
  margin-bottom: 12px;
}

.article-list a {
  color: var(--color-primary-dark);
  text-decoration: none;
  font-weight: bold;
}

.article-list a:hover {
  text-decoration: underline;
}

footer {
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-muted);
  padding: 16px;
}