@charset "UTF-8";

/* ------------------------------
   リセット・共通設定
------------------------------ */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  line-height: 1.7;
  color: #5a4a58;
  background: linear-gradient(
    rgba(255, 248, 252, 0.9),
    rgba(255, 248, 252, 0.9)
  );
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;

  background-image: url("images/random_bg_7chars_transparent.png");
  background-repeat: repeat;
  background-size: 500px;

  opacity: 0.15;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

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

/* ------------------------------
   共通クラス
------------------------------ */
.container {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
}

.section {
  padding: 80px 0;
}

.section-title {
  margin: 0 0 24px;
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  color: #c86aa6;
  position: relative;
}

.section-title::after {
  content: "";
  display: block;
  width: 70px;
  height: 4px;
  margin: 12px auto 0;
  border-radius: 999px;
  background: linear-gradient(90deg, #f7a8cf 0%, #d98ad8 100%);
}

.section-text {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.button {
  display: inline-block;
  min-width: 140px;
  padding: 14px 26px;
  border-radius: 999px;
  background: linear-gradient(135deg, #f7a8cf 0%, #d98ad8 100%);
  color: #ffffff;
  font-weight: 700;
  text-align: center;
  box-shadow: 0 10px 22px rgba(217, 138, 216, 0.22);
  transition:
    transform 0.3s,
    box-shadow 0.3s,
    opacity 0.3s;
}

.button:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 28px rgba(217, 138, 216, 0.3);
  opacity: 0.96;
}

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

.hero-text {
  flex: 1;
  position: relative;
  z-index: 1;
}

.hero-logo {
  width: 130px;
  margin-bottom: 18px;
  filter: drop-shadow(0 6px 12px rgba(212, 111, 176, 0.18));
}

.hero-title {
  margin: 0 0 20px;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.2;
  color: #c8569a;
  text-shadow: 0 4px 12px rgba(255, 255, 255, 0.65);
}

/* ------------------------------
   ヘッダー
------------------------------ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 248, 252, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #f3d8e8;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 72px;
  gap: 24px;
}

.logo {
  margin: 0;
  font-size: 1.4rem;
  font-weight: 700;
  color: #c86aa6;
}

.hero-logo {
  width: 700px;
  margin-bottom: 16px;
  filter: drop-shadow(0 4px 10px rgba(200, 100, 150, 0.2));
}

.nav-list {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.nav-list a {
  font-weight: 700;
  color: #7b5b73;
  transition: color 0.3s;
}

.nav-list a:hover {
  color: #d46fb0;
}

/* ------------------------------
   ヒーロー
------------------------------ */
.hero {
  padding: 100px 0 80px;
  overflow: hidden;
}

.hero-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}

.hero-text {
  flex: 1;
}

.hero-subtitle {
  margin: 0 0 12px;
  font-size: 1rem;
  font-weight: 700;
  color: #b7679a;
}

.hero-title {
  margin: 0 0 20px;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.2;
  color: #c8569a;
}

.hero-copy {
  margin: 0 0 32px;
  font-size: 1.05rem;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-image {
  flex: 1;
  max-width: 460px;
}

.hero-image img {
  width: 100%;
  border-radius: 24px;
  box-shadow: 0 16px 40px rgba(212, 111, 176, 0.18);
}

/* ------------------------------
   About
------------------------------ */
.about {
  background-color: #fffafb;
}

/* ------------------------------
   Activity
------------------------------ */
.activity-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.activity-card {
  padding: 28px 24px;
  background: #ffffff;
  border: 1px solid #f4dbe8;
  border-radius: 24px;
  box-shadow: 0 8px 24px rgba(233, 183, 211, 0.12);
  transition:
    transform 0.3s,
    box-shadow 0.3s;
}

.activity-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(233, 183, 211, 0.18);
}

.activity-card h3 {
  margin: 0 0 12px;
  font-size: 1.2rem;
  color: #c86aa6;
}

.activity-card p {
  margin: 0;
}

/* ------------------------------
   Profile
------------------------------ */
.profile {
  background-color: transparent;
}

.profile-list {
  max-width: 820px;
  margin: 0 auto;
  display: grid;
  gap: 16px;
}

.profile-item {
  display: grid;
  grid-template-columns: 180px 1fr;
  align-items: center;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid #f4dbe8;
  border-radius: 18px;
  overflow: hidden;
  backdrop-filter: blur(2px);
}

.profile-item dt {
  margin: 0;
  padding: 18px 20px;
  background: rgba(253, 235, 245, 0.8);
  font-weight: 700;
  color: #b95b96;
}

.profile-item dd {
  margin: 0;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.35);
}

/* ------------------------------
   Links
------------------------------ */
.links-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.link-card {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 110px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid #f4dbe8;
  border-radius: 24px;
  font-weight: 700;
  color: #b95b96;
  box-shadow: 0 8px 24px rgba(233, 183, 211, 0.12);
  transition:
    transform 0.3s,
    box-shadow 0.3s,
    background-color 0.3s;
}

.link-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 30px rgba(233, 183, 211, 0.2);
  background: #fff6fb;
}

/* ------------------------------
   Contact
------------------------------ */
.about,
.contact,
.profile {
  background-color: transparent;
}

.contact a {
  color: #c8569a;
  font-weight: 700;
}

/* ------------------------------
   フッター
------------------------------ */
.footer {
  padding: 32px 0;
  text-align: center;
  background: #fceef6;
  border-top: 1px solid #f3d8e8;
}

.footer-logo {
  margin: 0 0 8px;
  font-size: 1.1rem;
  font-weight: 700;
  color: #c86aa6;
}

.footer-copy {
  margin: 0;
  font-size: 0.9rem;
  color: #7b6a77;
}

/* ------------------------------
   レスポンシブ
------------------------------ */
@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }

  .header-inner {
    flex-direction: column;
    justify-content: center;
    padding: 12px 0;
  }

  .nav-list {
    justify-content: center;
    gap: 16px;
  }

  .hero {
    padding: 72px 0 56px;
  }

  .hero-inner {
    flex-direction: column;
    text-align: center;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-image {
    max-width: 320px;
  }

  .activity-list {
    grid-template-columns: 1fr;
  }

  .profile-item {
    grid-template-columns: 1fr;
  }

  .links-list {
    grid-template-columns: 1fr;
  }
}