/* =========================================
   小林竜也 公式HP - スタイルシート
   ========================================= */

/* -----------------------------------------
   CSS変数（カラー・フォント・スペーシング）
   ----------------------------------------- */
:root {
  /* カラーパレット */
  --color-primary: #5BB5D5;
  --color-primary-light: #8ECDE5;
  --color-primary-dark: #3A9CC0;
  --color-secondary: #1A3A5C;
  --color-secondary-light: #2A5580;
  --color-accent-orange: #F5A623;
  --color-accent-orange-dark: #E09315;
  --color-accent-pink: #FF6B9D;
  --color-white: #FFFFFF;
  --color-gray-light: #F8F9FA;
  --color-gray: #E9ECEF;
  --color-gray-dark: #6C757D;
  --color-text: #333333;
  --color-text-light: #666666;
  
  /* フォント */
  --font-ja: 'Noto Sans JP', sans-serif;
  --font-en: 'Mulish', sans-serif;
  
  /* スペーシング */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* コンテナ幅 */
  --container-max: 1000px;
  --container-padding: 1.5rem;
  
  /* ヘッダー高さ */
  --header-height: 80px;
  --header-height-mobile: 60px;
  
  /* トランジション */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.6s ease;
  
  /* シャドウ */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  
  /* ボーダー半径 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 50%;
}

/* -----------------------------------------
   リセット & 基本スタイル
   ----------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-ja);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.no-scroll {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* -----------------------------------------
   ユーティリティ
   ----------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* -----------------------------------------
   セクションヘッダー
   ----------------------------------------- */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-header__en {
  font-family: var(--font-en);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--color-accent-orange);
  text-transform: uppercase;
  margin-bottom: var(--spacing-xs);
}

.section-header__ja {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-secondary);
  position: relative;
  display: inline-block;
}

.section-header__ja::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #FF0000, #FF8C00, #FFD700, #32CD32, #00BFFF, #8A2BE2, #FF1493);
  border-radius: 2px;
}

.section-header--light .section-header__en {
  color: var(--color-accent-orange);
}

.section-header--light .section-header__ja {
  color: var(--color-white);
}

/* -----------------------------------------
   ボタン
   ----------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  min-width: 180px;
}

.btn--primary {
  background-color: var(--color-accent-orange);
  color: var(--color-white);
  box-shadow: 0 4px 12px rgba(245, 166, 35, 0.3);
}

.btn--primary:hover {
  background-color: var(--color-accent-orange-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(245, 166, 35, 0.4);
}

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

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

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

.header.is-scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: none;
  margin: 0 auto;
  padding: 0 50px;
}

.header__logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.header__logo-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-secondary);
}

.header__logo-sub {
  font-family: var(--font-en);
  font-size: 0.625rem;
  letter-spacing: 0.15em;
  color: var(--color-gray-dark);
}

/* ナビゲーション */
.nav {
  display: block;
}

.nav__header,
.nav__footer,
.nav__sns {
  display: none;
}

.nav-overlay {
  display: none;
}

.nav__list {
  display: flex;
  gap: var(--spacing-lg);
}

.nav__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  padding: 0.5rem 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-normal);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__link:hover {
  color: var(--color-primary);
}

/* ヘッダーSNS */
.header__sns {
  display: flex;
  gap: var(--spacing-sm);
}

.header__sns a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background-color: var(--color-gray-light);
  color: var(--color-secondary);
  transition: all var(--transition-normal);
}

.header__sns a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* ハンバーガーメニュー */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 6px;
  z-index: 1001;
}

.hamburger__line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-secondary);
  transition: all var(--transition-normal);
}

.hamburger.is-active .hamburger__line {
  background-color: var(--color-white);
}

.hamburger.is-active .hamburger__line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

.hamburger.is-active .hamburger__line:nth-child(2) {
  opacity: 0;
}

.hamburger.is-active .hamburger__line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* -----------------------------------------
   ヒーローセクション
   ----------------------------------------- */
.hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-top: var(--header-height);
  overflow: hidden;
  background: linear-gradient(135deg, #87CEEB 0%, #5BB5D5 50%, #4AA8C7 100%);
}

.hero__bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    /* 斜めの光のライン */
    linear-gradient(135deg, transparent 0%, transparent 45%, rgba(255, 255, 255, 0.15) 45%, rgba(255, 255, 255, 0.15) 55%, transparent 55%, transparent 100%),
    linear-gradient(135deg, transparent 0%, transparent 60%, rgba(255, 255, 255, 0.1) 60%, rgba(255, 255, 255, 0.1) 70%, transparent 70%, transparent 100%),
    linear-gradient(135deg, transparent 0%, transparent 75%, rgba(255, 255, 255, 0.08) 75%, rgba(255, 255, 255, 0.08) 85%, transparent 85%, transparent 100%),
    linear-gradient(135deg, transparent 0%, transparent 20%, rgba(255, 255, 255, 0.06) 20%, rgba(255, 255, 255, 0.06) 30%, transparent 30%, transparent 100%);
  pointer-events: none;
}

.hero__inner {
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  gap: 20px;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-sm) var(--container-padding) 0;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 550px;
  padding-bottom: var(--spacing-3xl);
  animation: fadeInUp 1s ease-out;
  align-self: center;
}

.hero__label {
  display: inline-block;
  font-family: var(--font-ja);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-white);
  background-color: transparent;
  padding: 0.625rem 1.5rem;
  border: 2px solid var(--color-white);
  border-radius: 30px;
  margin-bottom: var(--spacing-xl);
}

.hero__name {
  margin-bottom: var(--spacing-lg);
}

.hero__name-kanji {
  display: block;
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.05em;
  line-height: 1.2;
  padding-top: 40px;
}

.hero__name-kana {
  display: block;
  font-size: 1rem;
  color: var(--color-secondary);
  letter-spacing: 0.3em;
  margin-top: var(--spacing-sm);
  opacity: 0.8;
}

.hero__catchcopy {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 600;
  line-height: 1.5;
  color: var(--color-white);
  margin-bottom: var(--spacing-xl);
}

.hero__catchcopy-line {
  display: block;
}

.hero__buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.btn--hero-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--color-accent-pink);
  color: var(--color-white);
  border: none;
  border-radius: 50px;
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  min-width: 160px;
  transition: background-color var(--transition-normal);
}

.btn--hero-outline .btn__icon {
  flex-shrink: 0;
}

.btn--hero-outline:hover {
  background-color: #E05A8A;
}

.hero__image {
  position: relative;
  width: 650px;
  z-index: 1;
  animation: fadeIn 1.2s ease-out 0.3s both;
  flex-shrink: 0;
  line-height: 0;
}

.hero__image img {
  width: 100%;
  height: auto;
  display: block;
}

.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  z-index: 10;
  animation: fadeIn 1s ease-out 1s both;
}

.hero__scroll span {
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--color-secondary);
  opacity: 0.7;
}

.hero__scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--color-secondary), transparent);
  animation: scrollLine 1.5s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* -----------------------------------------
   ご挨拶セクション
   ----------------------------------------- */
.greeting {
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-white);
}

.greeting__content {
  max-width: 800px;
  margin: 0 auto var(--spacing-2xl);
}

.greeting__text {
  font-size: 1.0625rem;
  line-height: 2;
  text-align: center;
}

.greeting__text p {
  margin-bottom: var(--spacing-md);
}

.greeting__text p:last-child {
  margin-bottom: 0;
}

/* -----------------------------------------
   特に伝えたいテーマセクション
   ----------------------------------------- */
.themes {
  padding: var(--spacing-2xl) 0 var(--spacing-3xl);
  background-color: var(--color-gray-light);
}

.themes__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-xl);
  text-align: center;
  position: relative;
}

.themes__title::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, #FF0000, #FF8C00, #FFD700, #32CD32, #00BFFF, #8A2BE2, #FF1493);
  border-radius: 2px;
}

.themes__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.greeting__theme-card {
  background: linear-gradient(135deg, var(--color-gray-light) 0%, var(--color-white) 100%);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  border: 1px solid var(--color-gray);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.greeting__theme-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #FF0000, #FF8C00, #FFD700, #32CD32, #00BFFF, #8A2BE2, #FF1493);
}


.greeting__theme-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-accent-orange), var(--color-accent-pink));
  color: var(--color-white);
  font-family: var(--font-en);
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.greeting__theme-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
}

.greeting__theme-desc {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* -----------------------------------------
   政策セクション
   ----------------------------------------- */
.policy {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(135deg, #B5E5F5 0%, #5DADE2 100%);
  position: relative;
  overflow: hidden;
}

.policy::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 10% 90%, rgba(255, 255, 255, 0.4) 0%, transparent 40%),
    radial-gradient(circle at 90% 10%, rgba(255, 255, 255, 0.3) 0%, transparent 40%);
  pointer-events: none;
}

.policy__cards {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.policy-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.policy-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #FF0000, #FF8C00, #FFD700, #32CD32, #00BFFF, #8A2BE2, #FF1493);
}

.policy-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.policy-card__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background-color: var(--color-accent-pink);
  color: var(--color-white);
  font-family: var(--font-en);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
}

.policy-card__title {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.4;
}

.policy-card__desc {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.policy-card__desc:last-child {
  margin-bottom: 0;
}

/* -----------------------------------------
   プロフィールセクション
   ----------------------------------------- */
.profile {
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-white);
}

.profile__content {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: var(--spacing-2xl);
  align-items: start;
}

.profile__image {
  position: sticky;
  top: calc(var(--header-height) + var(--spacing-lg));
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.profile__image img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.profile__info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.profile__name {
  margin-bottom: var(--spacing-md);
}

.profile__name-kanji {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-xs);
}

.profile__name-kana {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-gray-dark);
  letter-spacing: 0.1em;
}

.profile__data {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.profile__data-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-gray);
}

.profile__data-row dt {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.profile__data-row dd {
  font-size: 0.9375rem;
  color: var(--color-text);
}

.profile__career-title,
.profile__motto-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-md);
  border-left: 3px solid var(--color-accent-pink);
}

.profile__career-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.profile__career-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  padding-left: 0;
  font-size: 0.9375rem;
  line-height: 1.6;
  position: relative;
}

/* タイムラインスタイル */
.profile__career-list--timeline {
  padding-left: var(--spacing-md);
}

.profile__career-list--timeline li {
  padding-left: calc(var(--spacing-lg) + 4px);
  padding-bottom: var(--spacing-md);
  border-left: 2px solid var(--color-gray);
  margin-left: 6px;
}

.profile__career-list--timeline li:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.profile__career-list--timeline li::before {
  content: '';
  position: absolute;
  left: -7px;
  top: 10px;
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  border: 2px solid var(--color-white);
  box-shadow: 0 0 0 2px var(--color-primary);
}

.profile__motto-text {
  background: linear-gradient(135deg, var(--color-gray-light) 0%, var(--color-white) 100%);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  font-style: normal;
}

.profile__motto-text p {
  margin-bottom: var(--spacing-sm);
  line-height: 1.9;
}

.profile__motto-text p:first-child {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-secondary);
}

.profile__motto-text p:last-child {
  margin-bottom: 0;
}

/* -----------------------------------------
   活動報告セクション
   ----------------------------------------- */
.activity {
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-gray-light);
}

.activity__content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xl);
}

.activity__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.activity__gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}

.activity__gallery-item {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.activity__gallery-item img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.activity-item {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  border: 2px solid var(--color-primary);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.activity-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.activity-item__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-xs);
}

.activity-item__desc {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-text-light);
}

/* -----------------------------------------
   研究内容報告書セクション
   ----------------------------------------- */
.research {
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-white);
}

.research__content {
  max-width: 800px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 2;
  color: var(--color-text);
}

.research__content p {
  margin-bottom: var(--spacing-md);
  text-align: justify;
}

.research__content p:last-of-type {
  margin-bottom: var(--spacing-xl);
}

.research__signature {
  text-align: right;
  margin-top: var(--spacing-lg);
}

.research__signature img {
  display: inline-block;
  padding-top: 20px;
  padding-bottom: 20px;
}

/* -----------------------------------------
   SNSセクション
   ----------------------------------------- */
.sns {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(135deg, #B5E5F5 0%, #5DADE2 100%);
  position: relative;
  overflow: hidden;
}

.sns--compact {
  padding: var(--spacing-xl) 0;
}

.sns::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 10% 90%, rgba(255, 255, 255, 0.4) 0%, transparent 40%),
    radial-gradient(circle at 90% 10%, rgba(255, 255, 255, 0.3) 0%, transparent 40%);
  pointer-events: none;
}

.section-header--compact {
  margin-bottom: var(--spacing-lg);
}

.sns__lead {
  text-align: center;
  font-size: 1.0625rem;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-2xl);
  position: relative;
  z-index: 1;
}

.sns__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  position: relative;
  z-index: 1;
}

.sns-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  color: var(--color-secondary);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

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

.sns-card__icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  color: var(--color-white);
}

.sns-card--instagram .sns-card__icon {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.sns-card--x .sns-card__icon {
  background-color: #000;
}

.sns-card--tiktok .sns-card__icon {
  background-color: #000;
}

.sns-card__info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sns-card__name {
  font-size: 1.125rem;
  font-weight: 700;
}

.sns-card__handle {
  font-size: 0.875rem;
  color: var(--color-gray-dark);
}

.sns-card__arrow {
  font-size: 1.5rem;
  color: var(--color-gray-dark);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.sns-card:hover .sns-card__arrow {
  color: var(--color-primary);
  transform: translateX(4px);
}

/* -----------------------------------------
   お問い合わせセクション
   ----------------------------------------- */
.contact {
  padding: var(--spacing-3xl) 0;
  background-color: var(--color-white);
}

.contact__content {
  max-width: 800px;
  margin: 0 auto;
}

.contact__lead {
  text-align: center;
  font-size: 1.0625rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-2xl);
}

.contact__methods {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.contact-method {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  background-color: var(--color-gray-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
  border: 2px solid transparent;
}

.contact-method:hover {
  background-color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.contact-method__icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
}

.contact-method__info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-method__label {
  font-size: 0.875rem;
  color: var(--color-gray-dark);
}

.contact-method__value {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-secondary);
}

/* -----------------------------------------
   フッター
   ----------------------------------------- */
.footer {
  background-color: var(--color-accent-pink);
  color: var(--color-white);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer .container {
  max-width: none;
  padding: 0 80px;
}

.footer__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: var(--spacing-2xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: var(--spacing-lg);
}

.footer__logo {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.footer__office {
  font-size: 1rem;
  font-weight: 500;
  opacity: 0.9;
}

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 1rem;
  font-weight: 500;
  opacity: 0.95;
}

.footer__contact-item svg {
  flex-shrink: 0;
  opacity: 0.8;
}

.footer__contact-item a {
  transition: opacity var(--transition-fast);
}

.footer__contact-item a:hover {
  opacity: 0.7;
}

.footer__catchcopy {
  font-size: 1rem;
  font-weight: 500;
  opacity: 0.85;
  max-width: 300px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--spacing-md);
}

.footer__nav {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  justify-content: flex-end;
}

.footer__nav a {
  font-size: 1rem;
  font-weight: 500;
  opacity: 0.9;
  transition: opacity var(--transition-fast);
}

.footer__nav a:hover {
  opacity: 1;
}

.footer__sns {
  display: flex;
  gap: var(--spacing-sm);
}

.footer__sns a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.1);
  transition: background-color var(--transition-normal);
}

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

.footer__bottom {
  text-align: center;
}

.footer__copyright {
  font-size: 0.9375rem;
  font-weight: 500;
  opacity: 0.75;
}

/* -----------------------------------------
   アニメーション
   ----------------------------------------- */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.greeting__theme-card.fade-in:nth-child(1) { transition-delay: 0.1s; }
.greeting__theme-card.fade-in:nth-child(2) { transition-delay: 0.2s; }
.greeting__theme-card.fade-in:nth-child(3) { transition-delay: 0.3s; }

.policy-card.fade-in:nth-child(1) { transition-delay: 0.1s; }
.policy-card.fade-in:nth-child(2) { transition-delay: 0.2s; }
.policy-card.fade-in:nth-child(3) { transition-delay: 0.3s; }

.activity-item.fade-in:nth-child(1) { transition-delay: 0.1s; }
.activity-item.fade-in:nth-child(2) { transition-delay: 0.2s; }
.activity-item.fade-in:nth-child(3) { transition-delay: 0.3s; }
.activity-item.fade-in:nth-child(4) { transition-delay: 0.4s; }

.sns-card.fade-in:nth-child(1) { transition-delay: 0.1s; }
.sns-card.fade-in:nth-child(2) { transition-delay: 0.2s; }
.sns-card.fade-in:nth-child(3) { transition-delay: 0.3s; }

/* -----------------------------------------
   レスポンシブ（タブレット: 768px - 1024px）
   ----------------------------------------- */
@media (max-width: 1024px) {
  :root {
    --container-padding: 1.25rem;
  }
  
  .section-header__ja {
    font-size: 1.75rem;
  }
  
  /* ヒーロー */
  .hero__inner {
    padding: var(--spacing-2xl) var(--container-padding) 0;
  }
  
  .hero__content {
    max-width: 450px;
  }
  
  .hero__name-kanji {
    font-size: 2.75rem;
  }
  
  .hero__catchcopy {
    font-size: 1.375rem;
  }
  
  .hero__image {
    width: 420px;
  }
  
  /* テーマ */
  .themes__cards {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }
  
  /* 政策 */
  .policy-card__title {
    font-size: 1.5rem;
  }
  
  /* プロフィール */
  .profile__content {
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-xl);
  }
  
  /* 活動報告 */
  .activity__list {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
  }
  
  .activity__gallery {
    grid-template-columns: repeat(2, 1fr);
    max-width: 600px;
    margin: 0 auto;
  }
  
  /* SNS */
  .sns__cards {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }
  
  /* お問い合わせ */
  .contact__methods {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }
  
}

/* -----------------------------------------
   レスポンシブ（モバイル: < 768px）
   ----------------------------------------- */
@media (max-width: 767px) {
  :root {
    --spacing-3xl: 4rem;
    --spacing-2xl: 3rem;
    --container-padding: 20px;
  }
  
  /* ヘッダー */
  .header {
    height: var(--header-height-mobile);
  }
  
  .header__inner {
    padding: 0 20px;
  }
  
  .header__sns {
    display: none;
  }
  
  .hamburger {
    display: flex;
    position: relative;
    z-index: 1002;
  }
  
  /* オーバーレイ背景 */
  .nav-overlay {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    background-color: rgba(0, 0, 0, 0.6);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
    z-index: 1000;
  }
  
  .nav-overlay.is-active {
    opacity: 1;
    visibility: visible;
  }
  
  .nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    height: 100dvh;
    background-color: var(--color-white);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    transform: translateX(100%);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    z-index: 1001;
    box-shadow: none;
  }
  
  .nav.is-active {
    transform: translateX(0);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
  }
  
  .nav__header {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    background-color: var(--color-accent-pink);
    flex-shrink: 0;
  }
  
  .nav__header-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 0.05em;
  }
  
  .nav__header-sub {
    font-family: var(--font-en);
    font-size: 0.625rem;
    color: rgba(255, 255, 255, 0.8);
    margin-top: var(--spacing-xs);
    letter-spacing: 0.15em;
  }
  
  .nav__list {
    display: block !important;
    width: 100%;
    padding: 0;
    margin: 0;
    background-color: var(--color-white);
  }
  
  .nav__item {
    display: block !important;
    width: 100%;
    border-bottom: 1px solid var(--color-gray);
    background-color: var(--color-white);
  }
  
  .nav__item:first-child {
    border-top: 1px solid var(--color-gray);
  }
  
  .nav__link {
    display: block !important;
    width: 100%;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-secondary) !important;
    padding: 1rem 1.5rem;
    background-color: var(--color-white);
    text-decoration: none;
  }
  
  .nav__link:hover,
  .nav__link.is-active {
    background-color: var(--color-primary);
    color: var(--color-white) !important;
  }
  
  .nav__link::after {
    display: none !important;
  }
  
  .nav__header,
  .nav__footer,
  .nav__sns {
    display: flex !important;
  }
  
  .nav__sns {
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border-top: 1px solid var(--color-gray);
  }
  
  .nav__sns a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background-color: var(--color-gray-light);
    color: var(--color-secondary);
    transition: all var(--transition-normal);
  }
  
  .nav__sns a:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
  }
  
  .nav__footer {
    padding: var(--spacing-lg);
    text-align: center;
    justify-content: center;
    background-color: var(--color-gray-light);
    flex-shrink: 0;
  }
  
  .nav__copyright {
    font-size: 0.875rem;
    color: var(--color-gray-dark);
    font-family: var(--font-en);
  }
  
  /* セクションヘッダー */
  .section-header {
    margin-bottom: var(--spacing-xl);
  }
  
  .section-header__ja {
    font-size: 1.5rem;
  }
  
  /* ボタン */
  .btn {
    padding: 0.875rem 1.5rem;
    min-width: 160px;
    font-size: 0.9375rem;
  }
  
  /* ヒーロー */
  .hero {
    min-height: auto;
    padding-top: calc(var(--header-height-mobile) + var(--spacing-lg));
    padding-bottom: 0;
  }
  
  .hero__inner {
    flex-direction: column;
    align-items: center;
    padding: 0 var(--container-padding);
  }
  
  .hero__content {
    max-width: 100%;
    text-align: center;
    position: relative;
    z-index: 10;
  }
  
  .hero__label {
    font-size: 0.8125rem;
    padding: 0.5rem 1rem;
    margin-bottom: var(--spacing-lg);
  }
  
  .hero__name {
    margin-bottom: var(--spacing-md);
  }
  
  .hero__name-kanji {
    font-size: 2.25rem;
  }
  
  .hero__name-kana {
    font-size: 0.875rem;
    letter-spacing: 0.2em;
  }
  
  .hero__catchcopy {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
  }
  
  .hero__catchcopy-line {
    display: inline;
  }
  
  .hero__buttons {
    justify-content: center;
  }
  
  .btn--hero-outline {
    padding: 0.875rem 1.5rem;
    font-size: 0.9375rem;
    min-width: 140px;
    gap: 0.4rem;
  }
  
  .btn--hero-outline .btn__icon {
    width: 16px;
    height: 16px;
  }
  
  .hero__content {
    order: 1;
    padding-bottom: var(--spacing-sm);
    align-self: center;
  }
  
  .hero__image {
    order: 2;
    width: 320px;
    margin-top: var(--spacing-xs);
    align-self: center;
  }
  
  .hero__image img {
    width: 100%;
    height: auto;
  }
  
  .hero__scroll {
    display: none;
  }
  
  /* ご挨拶 */
  .greeting__text {
    font-size: 1rem;
    text-align: left;
  }
  
  /* テーマ */
  .themes__title {
    font-size: 1.125rem;
  }
  
  .greeting__theme-card {
    padding: var(--spacing-lg);
  }
  
  .greeting__theme-num {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
  
  .greeting__theme-title {
    font-size: 1rem;
  }
  
  .greeting__theme-desc {
    font-size: 0.875rem;
  }
  
  /* 政策 */
  .policy-card {
    padding: var(--spacing-lg);
  }
  
  .policy-card__num {
    width: 48px;
    height: 48px;
    font-size: 1.25rem;
  }
  
  .policy-card__title {
    font-size: 1.25rem;
  }
  
  .policy-card__desc {
    font-size: 0.875rem;
  }
  
  /* プロフィール */
  .profile__content {
    grid-template-columns: 1fr;
  }
  
  .profile__image {
    position: static;
    max-width: 300px;
    margin: 0 auto;
  }
  
  .profile__name-kanji {
    font-size: 1.5rem;
  }
  
  .profile__data-row {
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
  }
  
  .profile__career-title,
  .profile__motto-title {
    font-size: 1rem;
  }
  
  .profile__career-list li {
    font-size: 0.875rem;
  }
  
  .profile__career-list--timeline li::before {
    width: 10px;
    height: 10px;
    left: -6px;
    top: 8px;
  }
  
  .profile__motto-text p:first-child {
    font-size: 1rem;
  }
  
  /* 活動報告 */
  .activity__list {
    grid-template-columns: 1fr;
    max-width: 100%;
  }
  
  .activity__gallery {
    grid-template-columns: repeat(2, 1fr);
    max-width: 100%;
  }
  
  .activity-item {
    padding: var(--spacing-md);
  }
  
  .activity-item__title {
    font-size: 0.9375rem;
  }
  
  /* SNS */
  .sns__lead {
    font-size: 1rem;
  }
  
  .sns-card {
    padding: var(--spacing-md);
  }
  
  .sns-card__icon {
    width: 48px;
    height: 48px;
  }
  
  .sns-card__icon svg {
    width: 28px;
    height: 28px;
  }
  
  .sns-card__name {
    font-size: 1rem;
  }
  
  /* お問い合わせ */
  .contact__lead {
    font-size: 1rem;
  }
  
  .contact-method {
    flex-direction: column;
    text-align: center;
    padding: var(--spacing-lg);
  }
  
  .contact-method__icon {
    width: 56px;
    height: 56px;
  }
  
  .contact-method__value {
    font-size: 1rem;
    word-break: break-all;
  }
  
  /* フッター */
  .footer .container {
    padding: 0 20px;
  }
  
  .footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-xl);
  }
  
  .footer__brand {
    text-align: center;
  }
  
  .footer__contact {
    align-items: flex-start;
  }
  
  .footer__contact-item {
    justify-content: flex-start;
    text-align: left;
  }
  
  .footer__catchcopy {
    max-width: 100%;
  }
  
  .footer__links {
    align-items: center;
  }
  
  .footer__nav {
    justify-content: center;
    gap: var(--spacing-sm);
  }
}

/* -----------------------------------------
   小さいモバイル（< 375px）
   ----------------------------------------- */
@media (max-width: 374px) {
  .hero__name-kanji {
    font-size: 1.875rem;
  }
  
  .hero__catchcopy {
    font-size: 0.9375rem;
  }
  
  .hero__buttons {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .btn {
    width: 100%;
  }
  
  .btn--hero-outline {
    width: 100%;
  }
}

/* -----------------------------------------
   アクセシビリティ
   ----------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}

/* フォーカススタイル */
:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}