@import url('https://fonts.googleapis.com/css2?family=Zen+Kaku+Gothic+New:wght@400;500;700;900&family=Zen+Maru+Gothic:wght@400;700&display=swap');
/* -----  common  ----- */
:root {
  --bg: #f5fbff;
  --bg-soft: #f8fdff;
  --ink: #2d2a27;
  --muted: #6b6762;
  --accent: #f08c6a;
  --accent-2: #f6b24b;
  --accent-3: #7cc7a6;
  --line: #f0d7cd;
  --card: #ffffff;
  --shadow: 0 18px 40px rgba(240, 140, 106, 0.18);
  --container-max: 1200px;
  --container-padding: 24px;
}

* { 
  box-sizing: border-box; 
}

body {
  margin: 0;
  font-family:
  "Zen Old Mincho",
  "Yu Mincho",
  "YuMincho",
  "Hiragino Mincho ProN",
  serif;
  /* font-family: "Noto Sans JP","Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif; */
  color: var(--ink);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: radial-gradient(1200px 500px at 5% -10%, #dff3ff 0%, transparent 60%),
              radial-gradient(1000px 500px at 95% 0%, #eefaff 0%, transparent 60%),
              var(--bg);
  margin: 0;
  background: linear-gradient(180deg, #f6fcff 0%, #eef8fd 100%);
  color: #17384d;
}


main {
  flex: 1 0 auto;
}

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

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

/* -----  header  ----- */
/* Added: public header styles for public_html/header.php */
.site-header {
  position: sticky;
  top: 0;
  z-index: 300;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid rgba(83, 178, 233, 0.18);
  box-shadow: 0 10px 30px rgba(47, 108, 146, 0.08);
}

.site-header__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  min-height: 88px;
}

.container {
  width: min(var(--container-max), calc(100vw - (var(--container-padding) * 2)));
  margin: 0 auto;
}

.site-menu {
  display: contents;
}

/* Added: public header logo area */
.header__logo {
  display: flex;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #53b2e9;
  font-size: clamp(24px, 2.3vw, 34px);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-shadow: 0 10px 18px rgba(47, 108, 146, 0.12);
  white-space: nowrap;
}

.logo__image {
  width: 48px;
  height: auto;
  display: block;
}

.header-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid rgba(83, 178, 233, 0.26);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 18px rgba(47, 108, 146, 0.08);
  cursor: pointer;
}

.header-toggle span {
  position: absolute;
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: #2f6c92;
  transition: transform 0.18s ease, opacity 0.18s ease;
}

.header-toggle span:nth-child(1) { transform: translateY(-6px); }
.header-toggle span:nth-child(2) { transform: translateY(0); }
.header-toggle span:nth-child(3) { transform: translateY(6px); }

.site-header.is-menu-open .header-toggle span:nth-child(1) {
  transform: translateY(0) rotate(45deg);
}

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

.site-header.is-menu-open .header-toggle span:nth-child(3) {
  transform: translateY(0) rotate(-45deg);
}

/* Added: public header navigation */
.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 1.6vw, 24px);
  font-size: 14px;
  font-weight: 700;
  color: #53b2e9;
}

.nav-links a {
  position: relative;
  padding: 8px 0;
  transition: color 0.18s ease;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #53b2e9, #7cc7a6);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.18s ease;
}

.nav-links a:hover {
  color: #2b9dd8;
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

/* Added: public header CTA area */
.nav-cta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid rgba(83, 178, 233, 0.24);
  background: rgba(255, 255, 255, 0.92);
  color: #53b2e9;
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
  box-shadow: 0 8px 18px rgba(47, 108, 146, 0.08);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 22px rgba(47, 108, 146, 0.14);
  border-color: rgba(83, 178, 233, 0.35);
}

.btn.primary {
  background: linear-gradient(120deg, var(--accent), #f47b74);
  color: #fff;
  border: none;
  box-shadow: 0 12px 24px rgba(240, 140, 106, 0.3);
}

/* -----  index  ----- */
.lp-wrap {
  width: min(1320px, calc(100vw - 16px));
  margin: 8px auto 32px;
  padding: 0 0 12px;
  background: #edf8fd;
  color: #222;
  border: 1px solid #d8edf7;
}

.lp-wrap * {
  box-sizing: border-box;
}

.lp {
  width: min(1280px, calc(100vw - 36px));
  margin: 0 auto;
  font-size: 14px;
  line-height: 1.75;
}

.lp img {
  max-width: 100%;
  display: block;
}

.lp-section {
  margin: 0 0 24px;
}

.lp-section p {
  font-size: 0.92em;
  font-weight: 700;
}

.lp-bar {
  background: linear-gradient(90deg, #1f5cda 0%, #bff3ff 100%);
  box-shadow: 0 4px 10px rgba(31, 92, 218, 0.16);
  color: #fff;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.2;
  padding: 12px 18px;
  margin: 0 0 8px;
}

/* ------------- ページヘッダー ------------- */
.page-hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 180px;
  margin: 0;
  padding: 24px;
  background: linear-gradient(90deg, #3568d5 0%, #a9e2ea 100%);
  color: #fff;
  text-align: center;
  box-shadow: 0 12px 28px rgba(53, 104, 213, 0.14);
}

.page-hero .page-breadcrumb {
  position: absolute;
  top: 22px;
  left: 24px;
  right: 24px;
  margin: 0;
  text-align: left;
}

.page-hero h1 {
  margin: 0;
  font-size: clamp(34px, 4.2vw, 46px);
  line-height: 1.25;
}

.page-hero .page-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: rgba(255, 255, 255, 0.9);
  font-size: 13px;
  font-weight: 700;
}

.page-hero .page-breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-hero .page-breadcrumb li + li::before {
  content: "/";
  color: rgba(255, 255, 255, 0.72);
}

.page-hero .page-breadcrumb a {
  color: #fff;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s ease, opacity 0.18s ease;
}

.page-hero .page-breadcrumb a:hover {
  opacity: 0.88;
  border-color: rgba(255, 255, 255, 0.72);
}

/* -----  section  ----- */
.section {
  padding: 48px 0;
}

/* -----  footer  ----- */
.site-footer {
  margin-top: 54px;
  padding: 0 0 40px;
}

.site-footer__inner {
  display: grid;
  gap: 22px;
  width: 100%;
  padding: 34px 28px 28px;
  border-radius: 0;
  background:
    radial-gradient(circle at top left, rgba(233, 247, 255, 0.94), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(240, 250, 255, 0.94) 100%);
  border-top: 1px solid rgba(83, 178, 233, 0.18);
  border-bottom: 1px solid rgba(83, 178, 233, 0.18);
  box-shadow: 0 20px 40px rgba(47, 108, 146, 0.1);
}

.site-footer__brand {
  text-align: center;
}

.site-footer__logo {
  display: inline-block;
  color: #53b2e9;
  font-size: clamp(24px, 2.4vw, 34px);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.site-footer__lead {
  max-width: 760px;
  margin: 12px auto 0;
  color: #5a7685;
  font-size: 15px;
  line-height: 1.8;
  font-weight: 500;
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 18px;
}

.site-footer__nav a {
  color: #53b2e9;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.site-footer__actions {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.site-footer__social {
  display: flex;
  justify-content: center;
}

.site-footer__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid rgba(83, 178, 233, 0.2);
  box-shadow: 0 12px 24px rgba(57, 127, 164, 0.14);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.site-footer__social a:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(57, 127, 164, 0.18);
}

.site-footer__social img {
  display: block;
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.site-footer__copy {
  margin: 0;
  text-align: center;
  color: #6f8693;
  font-size: 13px;
}


