@charset "UTF-8";
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;700;900&display=swap');

/* ===================================
   BRAND TOKENS – 全ページ共通
   =================================== */
:root {
  --yellow:      #F5C200;
  --yellow-pale: #FFF9DC;
  --green:       #2EAA0C;
  --green-pale:  #E8F7E4;
  --green-dark:  #237A09;
  --line:        #06C755;
  --text:        #1A1A1A;
  --muted:       #6B7280;
  --border:      #E5E7EB;
  --white:       #FFFFFF;
  --bg:          #FAFAF8;
  --r-sm:   8px;
  --r-md:   16px;
  --r-full: 9999px;
  --shadow: 0 4px 20px rgba(0,0,0,.08);
  --header-h: 64px;
}

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

body {
  font-family: 'Noto Sans JP', "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  -webkit-font-smoothing: antialiased;
}

#siteheader {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 2.5px solid var(--yellow);
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}

.mk-header {
  display: flex;
  align-items: center;
  height: var(--header-h);
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  gap: 16px;
}

.mk-header__logo { flex-shrink: 0; }
.mk-header__logo img { height: 40px; width: auto; display: block; }

.mk-header__nav {
  display: flex;
  gap: 4px;
  margin-left: auto;
}

.mk-header__nav a {
  padding: 8px 16px;
  font-size: .875rem;
  font-weight: 700;
  border-radius: var(--r-full);
  color: var(--text);
  white-space: nowrap;
  text-decoration: none;
  transition: background .15s;
}
.mk-header__nav a:hover { background: var(--yellow-pale); }

.mk-header__btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  padding: 10px 24px;
  background: var(--green);
  color: #fff;
  border-radius: var(--r-full);
  font-size: .875rem;
  font-weight: 700;
  white-space: nowrap;
  text-decoration: none;
  transition: opacity .2s;
}
.mk-header__btn:hover { opacity: .85; }

.mk-header__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  margin-left: auto;
  cursor: pointer;
  border: none;
  background: none;
}
.mk-header__hamburger span {
  display: block;
  height: 2.5px;
  background: var(--text);
  border-radius: 2px;
}

/* Mobile nav */
.mk-mobile-nav {
  display: none;
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: #fff;
  z-index: 99;
  padding: 24px;
  overflow-y: auto;
}
.mk-mobile-nav.is-open { display: block; }
.mk-mobile-nav a {
  display: block;
  padding: 18px 0;
  font-size: 1.0625rem;
  font-weight: 700;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
}

/* ===================================
   FOOTER
   =================================== */
#sitefooter {
  background: #1A1A18;
  color: rgba(255,255,255,.75);
  padding: 48px 0 28px;
}
.mk-footer__inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}
.mk-footer__logo { margin-bottom: 20px; }
.mk-footer__logo img { height: 36px; width: auto; display: block; }
.mk-footer__desc {
  font-size: .875rem;
  color: rgba(255,255,255,.55);
  margin-bottom: 24px;
  line-height: 1.7;
}
.mk-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin-bottom: 32px;
  list-style: none;
  padding: 0;
}
.mk-footer__nav a {
  font-size: .8125rem;
  color: rgba(255,255,255,.5);
  text-decoration: none;
}
.mk-footer__nav a:hover { color: #fff; }
.mk-footer__copy {
  font-size: .8rem;
  color: rgba(255,255,255,.35);
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 20px;
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 768px) {
  :root { --header-h: 56px; }
  .mk-header__nav, .mk-header__btn { display: none; }
  .mk-header__hamburger { display: flex; }
  .mk-header { padding: 0 16px; }
}