/* ========================================
   あかり Official Site - Stylesheet
======================================== */

/* CSS変数 */
:root {
  --color-primary: #FF6B9D;
  --color-primary-light: #FFB8D0;
  --color-primary-dark: #E84A7F;
  --color-secondary: #FFB347;
  --color-accent: #87CEEB;
  --color-bg: #FFF9FB;
  --color-bg-alt: #FFF0F5;
  --color-text: #4A4A4A;
  --color-text-light: #888888;
  --color-white: #FFFFFF;
  --color-border: #FFD0E0;

  --font-main: 'M PLUS Rounded 1c', 'Hiragino Sans', 'Yu Gothic', sans-serif;
  --font-en: 'Quicksand', sans-serif;

  --shadow-sm: 0 2px 8px rgba(255, 107, 157, 0.15);
  --shadow-md: 0 4px 16px rgba(255, 107, 157, 0.2);
  --shadow-lg: 0 8px 32px rgba(255, 107, 157, 0.25);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 50%;
}

/* リセット */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.8;
  overflow-x: hidden;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--color-primary-dark);
}

/* コンテナ */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ========================================
   ヘッダー
======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  max-width: 1100px;
  margin: 0 auto;
}

.logo {
  font-family: var(--font-en);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 2px;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 30px;
}

.nav-list a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  padding: 5px 0;
}

.nav-list a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width 0.3s ease;
}

.nav-list a:hover::after {
  width: 100%;
}

.menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.menu-btn span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: 0.3s;
}

.header-credit {
  text-align: center;
  padding: 8px;
  background: var(--color-bg-alt);
  font-size: 0.75rem;
}

.header-credit a {
  color: var(--color-text-light);
}

/* ========================================
   ヒーローセクション
======================================== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('../images/hero-bg.png') center center / cover no-repeat;
  filter: brightness(0.6);
}

.hero-bg::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(255, 107, 157, 0.3) 0%,
    rgba(255, 179, 71, 0.2) 50%,
    rgba(135, 206, 235, 0.3) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  color: var(--color-white);
}

.hero-title {
  margin-bottom: 20px;
}

.hero-name {
  display: block;
  font-size: clamp(3rem, 10vw, 6rem);
  font-weight: 700;
  letter-spacing: 8px;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1s ease;
}

.hero-subtitle {
  display: block;
  font-family: var(--font-en);
  font-size: clamp(1rem, 3vw, 1.5rem);
  font-weight: 500;
  letter-spacing: 6px;
  margin-top: 10px;
  opacity: 0.9;
}

.hero-tagline {
  font-size: 1.2rem;
  margin-top: 20px;
  opacity: 0.9;
  animation: fadeInUp 1s ease 0.3s both;
}

.scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-white);
  font-size: 0.8rem;
  letter-spacing: 2px;
  animation: bounce 2s infinite;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--color-white);
  border-bottom: 2px solid var(--color-white);
  transform: rotate(45deg);
  margin: 10px auto 0;
}

/* ========================================
   セクション共通
======================================== */
.section {
  padding: 100px 0;
}

.section-title {
  font-family: var(--font-en);
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 60px;
  color: var(--color-primary);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  margin: 15px auto 0;
  border-radius: 2px;
}

/* ========================================
   Aboutセクション
======================================== */
.about {
  background: var(--color-white);
}

.about-content {
  display: flex;
  gap: 60px;
  align-items: center;
}

.about-image {
  flex-shrink: 0;
  width: 300px;
  height: 300px;
  border-radius: var(--radius-full);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 5px solid var(--color-primary-light);
}

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

.about-text {
  flex: 1;
}

.about-name {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 5px;
}

.about-name-en {
  font-family: var(--font-en);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-left: 10px;
}

.about-desc {
  margin: 20px 0;
  line-height: 2;
}

.about-info {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px 20px;
  background: var(--color-bg-alt);
  padding: 20px;
  border-radius: var(--radius-md);
}

.about-info dt {
  font-weight: 700;
  color: var(--color-primary);
}

/* ========================================
   Newsセクション
======================================== */
.news {
  background: var(--color-bg-alt);
}

.news-list {
  max-width: 700px;
  margin: 0 auto;
}

.news-item {
  display: flex;
  gap: 20px;
  padding: 25px 0;
  border-bottom: 1px dashed var(--color-border);
}

.news-item:last-child {
  border-bottom: none;
}

.news-item time {
  font-family: var(--font-en);
  font-size: 0.9rem;
  color: var(--color-primary);
  font-weight: 700;
  white-space: nowrap;
}

.news-item p {
  flex: 1;
}

/* ========================================
   Galleryセクション
======================================== */
.gallery {
  background: var(--color-white);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.gallery-item {
  aspect-ratio: 4/3;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gallery-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-more {
  text-align: center;
  margin-top: 40px;
}

/* ========================================
   Linksセクション
======================================== */
.links {
  background: var(--color-bg-alt);
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 700px;
  margin: 0 auto;
}

.link-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 30px 20px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.link-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  color: var(--color-text);
}

.link-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.link-icon svg {
  width: 26px;
  height: 26px;
  fill: var(--color-white);
}

.link-icon.twitter { background: #000; }
.link-icon.instagram { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.link-icon.youtube { background: #FF0000; }
.link-icon.line { background: #00B900; }
.link-icon.tiktok { background: #000; }
.link-icon.blog { background: var(--color-primary); }

.link-name {
  font-size: 0.9rem;
  font-weight: 500;
}

/* ========================================
   Contactセクション
======================================== */
.contact {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-bg) 100%);
  text-align: center;
}

.contact-text {
  margin-bottom: 30px;
  font-size: 1.1rem;
}

/* ========================================
   ボタン
======================================== */
.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: var(--radius-lg);
  font-weight: 500;
  text-align: center;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--color-white);
}

.btn-lg {
  padding: 16px 40px;
  font-size: 1.1rem;
}

/* ========================================
   フッター
======================================== */
.footer {
  background: var(--color-text);
  color: var(--color-white);
  padding: 50px 0 30px;
  text-align: center;
}

.footer-sns {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 30px;
}

.footer-sns a {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s ease;
}

.footer-sns a:hover {
  background: var(--color-primary);
}

.footer-sns svg {
  fill: var(--color-white);
}

.footer-credit {
  margin-bottom: 15px;
}

.footer-credit a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
}

.footer-credit a:hover {
  color: var(--color-white);
}

.footer-copyright {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ========================================
   アニメーション
======================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* ========================================
   レスポンシブ
======================================== */
@media (max-width: 768px) {
  .nav {
    display: none;
  }

  .menu-btn {
    display: flex;
  }

  .nav.active {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: var(--shadow-md);
  }

  .nav.active .nav-list {
    flex-direction: column;
    padding: 20px;
    gap: 15px;
  }

  .about-content {
    flex-direction: column;
    text-align: center;
  }

  .about-image {
    width: 200px;
    height: 200px;
  }

  .about-info {
    text-align: left;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .links-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 2rem;
    margin-bottom: 40px;
  }

  .news-item {
    flex-direction: column;
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .hero-name {
    letter-spacing: 4px;
  }

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

  .link-card {
    flex-direction: row;
    justify-content: flex-start;
    padding: 15px 20px;
  }

  .link-icon {
    width: 40px;
    height: 40px;
  }
}