/* やつしろサニーサイドファーム — 共通スタイル */

:root {
  --color-orange: #f9a825;
  --color-orange-dark: #f57f17;
  --color-orange-light: #ffd54f;
  --color-blue: #1565c0;
  --color-blue-dark: #0d47a1;
  --color-bg: #f8f8f8;
  --color-white: #ffffff;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-muted: #999999;
  --font-body: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  --max-width: 1200px;
  --header-height: 72px;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* —— Skip link —— */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 1000;
  padding: 0.75rem 1rem;
  background: var(--color-text);
  color: var(--color-white);
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* —— Container —— */
.container {
  width: min(100% - 2.5rem, var(--max-width));
  margin-inline: auto;
}

/* —— Header —— */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-height);
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.08);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  width: min(100% - 2.5rem, var(--max-width));
  margin-inline: auto;
}

.site-header__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.site-header__logo img {
  width: auto;
  height: 56px;
  border-radius: 50%;
}

.site-header__logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: var(--color-white);
  transition: color 0.3s;
}

.site-header.is-scrolled .site-header__logo-text {
  color: var(--color-text);
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2rem);
}

.site-header__nav a {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-white);
  transition: color 0.3s, opacity 0.3s;
}

.site-header__nav a:hover,
.site-header__nav a.is-current {
  opacity: 0.85;
}

.site-header.is-scrolled .site-header__nav a {
  color: var(--color-text);
}

.site-header__nav a.is-current {
  font-weight: 700;
}

/* —— Mobile menu toggle —— */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: transform 0.3s, opacity 0.3s, background 0.3s;
}

.site-header.is-scrolled .menu-toggle span {
  background: var(--color-text);
}

.menu-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  background: var(--color-blue);
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(21, 101, 192, 0.35);
}

.btn--primary:hover {
  background: var(--color-blue-dark);
  box-shadow: 0 6px 20px rgba(21, 101, 192, 0.45);
}

.btn--outline {
  background: transparent;
  color: var(--color-blue);
  border: 2px solid var(--color-blue);
}

.btn--outline:hover {
  background: var(--color-blue);
  color: var(--color-white);
}

.btn__arrow {
  font-size: 1.1em;
  line-height: 1;
}

/* —— Section heading —— */
.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 2.5rem;
}

.section-heading__title {
  margin: 0;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.section-heading__link {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
  transition: color 0.25s;
}

.section-heading__link:hover {
  color: var(--color-blue);
}

/* —— Card —— */
.card {
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card__image {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card__body {
  padding: 1.25rem 1.5rem 1.5rem;
}

.card__tag {
  display: inline-block;
  padding: 0.2rem 0.75rem;
  margin-bottom: 0.75rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-white);
  background: var(--color-blue);
  border-radius: 4px;
}

.card__title {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.5;
}

.card__date {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* —— Contact CTA —— */
.contact-cta {
  background: var(--color-orange);
  padding: 3.5rem 0;
}

.contact-cta__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 600px;
  margin-inline: auto;
  padding: 2rem 2.5rem;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.contact-cta__link:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.contact-cta__title {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-orange);
}

.contact-cta__sub {
  margin: 0.25rem 0 0;
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.contact-cta__arrow {
  font-size: 1.5rem;
  color: var(--color-text);
}

/* —— Footer —— */
.site-footer {
  background: var(--color-orange);
  color: var(--color-white);
  padding: 2.5rem 0 2rem;
}

.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.site-footer__social {
  display: flex;
  gap: 1rem;
}

.site-footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 2px solid var(--color-white);
  border-radius: 50%;
  transition: background 0.25s, transform 0.25s;
}

.site-footer__social a:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: scale(1.08);
}

.site-footer__social svg {
  width: 18px;
  height: 18px;
  fill: var(--color-white);
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1rem, 3vw, 2rem);
}

.site-footer__nav a {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  transition: opacity 0.25s;
}

.site-footer__nav a:hover {
  opacity: 0.8;
}

.site-footer__copy {
  text-align: center;
  font-size: 0.75rem;
  opacity: 0.9;
}

/* —— Mobile nav overlay —— */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  padding-top: var(--header-height);
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.mobile-nav.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav__panel {
  background: var(--color-white);
  padding: 2rem;
}

.mobile-nav__panel a {
  display: block;
  padding: 1rem 0;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  border-bottom: 1px solid #eee;
}

.mobile-nav__panel a.is-current {
  color: var(--color-orange);
  font-weight: 700;
}

/* —— Responsive —— */
@media (max-width: 768px) {
  .site-header__nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .mobile-nav {
    display: block;
  }

  .site-footer__inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .contact-cta__link {
    padding: 1.5rem 1.75rem;
  }

  .contact-cta__title {
    font-size: 1.4rem;
  }
}