@charset "utf-8";
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@700;800&family=Noto+Sans+JP:wght@400;500;700;900&display=swap');

/* ==========================================================================
   PROFILE ページ専用スタイルシート
   みずち OFFICIAL WEBSITE - PROFILE STYLE
   デザイン方針：白基調、#1ca0ce（アクセントカラー）、清潔感・親しみやすさ
   ========================================================================== */

:root {
  --color-primary: #1ca0ce;
  --color-primary-hover: #158db6;
  --color-primary-light: #eef8fc;
  --color-primary-glow: rgba(28, 160, 206, 0.22);

  /* アクセントカラー（YouTubeレッド・視線誘導用） */
  --color-accent-red: #ff0033;
  --color-accent-red-hover: #e6002e;
  --color-accent-red-light: #fff0f2;
  --color-accent-red-glow: rgba(255, 0, 51, 0.35);

  --color-base: #ffffff;
  --color-bg-sub: #f6f8fb;
  --color-bg-card: #ffffff;

  --color-text-main: #222222;
  --color-text-sub: #555555;
  --color-text-muted: #888888;

  --color-border: #e2e8f0;
  --color-border-subtle: #edf2f7;

  /* カジュアル＆ゲームらしいシャープな角丸（8px〜12px） */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-btn: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 12px 28px rgba(28, 160, 206, 0.16);
  --shadow-hover-red: 0 10px 24px rgba(255, 0, 51, 0.3);

  /* フォント指定：トップページ（new.css）と完全統一したサンセリフ系フォントスタック */
  --font-base: "Noto Sans JP", "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  --font-heading: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, "Noto Sans JP", sans-serif;

  --transition-bounce: 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ─────────────────────────────────────────────────────────────
   全体ラッパー＆タイポグラフィ基本設定（アンチエイリアス）
   ───────────────────────────────────────────────────────────── */
html,
body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-base);
  color: var(--color-text-main);
  line-height: 1.75;
  letter-spacing: 0.05em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.profile-wrapper {
  background-color: #fbfcff;
  /* ゲーム空間を演出するごく薄いピクセルドット方眼テクスチャ */
  background-image: radial-gradient(#d5dfe8 1.4px, transparent 1.4px);
  background-size: 22px 22px;
  background-position: 0 0;
  color: var(--color-text-main);
  font-family: var(--font-base);
  line-height: 1.75;
  letter-spacing: 0.05em;
  padding-bottom: 70px;
  overflow-x: hidden;
}

/* 本文段落のゆったりとした美しい文字組み */
.profile-wrapper p {
  line-height: 1.75;
  letter-spacing: 0.05em;
}

/* 見出し（h1, h2, h3, h4）をトップページに合わせて統一 */
.profile-wrapper h1,
.profile-wrapper h2,
.profile-wrapper h3,
.profile-wrapper h4,
.profile-wrapper h5,
.profile-wrapper h6,
.section-title,
.hero-name,
.feature-title,
.activity-title,
.timeline-title,
.cv-cta-title,
.sublink-info h4,
.data-label,
.cv-footer h3 {
  font-family: var(--font-heading);
  font-weight: 800;
  letter-spacing: 0.05em;
  line-height: 1.4;
}

/* ボタン類をトップページに合わせて統一 */
.action-btn-primary,
.action-btn-sub,
.cv-btn,
.profile-more-btn,
.btn-subscribe,
.yt-banner-btn {
  font-family: var(--font-heading);
  letter-spacing: 0.05em;
}

/* タグ・バッジ・スペック類をトップページに合わせて統一 */
.section-tag,
.personal-tag,
.achieve-chip,
.timeline-tag,
.hero-visual-badge,
.hero-sub,
.action-links-label,
.info-tag,
.spec-label,
.spec-value,
.feature-thumb-badge {
  font-family: var(--font-heading);
  letter-spacing: 0.05em;
}

/* 説明文・段落テキストのゆったりとした文字組み（1.6〜1.8） */
.feature-text,
.activity-desc,
.timeline-desc,
.cv-cta-desc,
.section-desc,
.hero-bio {
  line-height: 1.75;
  letter-spacing: 0.05em;
}

.profile-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─────────────────────────────────────────────────────────────
   セクション共通見出し
   ───────────────────────────────────────────────────────────── */
.profile-section {
  padding: 60px 0;
  border-bottom: 1px solid var(--color-border-subtle);
}

.profile-section:last-of-type {
  border-bottom: none;
}

.section-head {
  text-align: center;
  margin-bottom: 40px;
}

/* セクション英語大見出し（ABOUT, PERSONAL, ACTIVITIES, MILESTONES, MORE LINKS） */
.section-tag,
h2.section-tag {
  display: block;
  font-size: 2.8rem;
  color: #065fd4;
  text-align: center;
  letter-spacing: .05em;
  font-family: Montserrat, Noto Sans JP, sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0 20px;
  margin: 0px auto;
  background: none;
  border: none;
  border-radius: 0;
}

/* 英語タイトルの下の洗練された日本語タイトル（400〜500・0.15em・#333） */
.section-title,
h3.section-title,
.profile-wrapper .section-title {
  font-family: "Noto Sans JP", "Hiragino Sans", "Meiryo", sans-serif;
  font-size: 1.65rem;
  font-weight: 500;
  color: #333333;
  letter-spacing: 0.15em;
  text-indent: 0.15em;
  margin: 14px auto 8px;
  padding: 0;
  line-height: 1.5;
}

.section-desc {
  font-size: 0.95rem;
  color: var(--color-text-sub);
  margin: 0 auto;
  text-align: center;
}

/* ─────────────────────────────────────────────────────────────
   1. HERO & INTRODUCTION (プロフィール上部)
   ───────────────────────────────────────────────────────────── */
.profile-hero-section {
  /* 固定ヘッダー（高さ約80〜90px）を避けるため上部に十分なパディングを確保 */
  padding: 120px 0 60px;
  background: linear-gradient(180deg, rgba(240, 246, 252, 0.8) 0%, rgba(255, 255, 255, 0.95) 100%);
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.hero-grid {
  display: flex;
  align-items: center;
  gap: 48px;
}

.hero-visual {
  flex: 0 0 340px;
  display: flex;
  justify-content: center;
  position: relative;
}

.hero-visual-card {
  position: relative;
  background: var(--color-base);
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-md);
  padding: 24px 20px 18px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
  text-align: center;
  width: 100%;
  max-width: 320px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.hero-visual-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(28, 160, 206, 0.15);
}

.hero-avatar-wrap {
  width: 220px;
  height: 280px;
  margin: 0 auto 12px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: hidden;
}

.hero-avatar-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.hero-visual-card:hover .hero-avatar-img {
  transform: none;
}

.hero-visual-badge {
  display: inline-block;
  font-size: 0.82rem;
  color: var(--color-primary);
  font-weight: 700;
  background-color: var(--color-primary-light);
  border: 1px solid rgba(28, 160, 206, 0.25);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
}

.hero-info {
  flex: 1;
  text-align: left;
}

.hero-title-group {
  margin-bottom: 16px;
}

.hero-sub {
  display: block;
  font-size: clamp(1.6rem, 2.8vw, 2.4rem);
  color: #065fd4;
  /* font-family: Montserrat, Noto Sans JP, sans-serif; */
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 4px;
  line-height: 1.2;
}

.hero-name {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-text-main);
  line-height: 1.2;
  margin: 0 0 6px 0;
}

.hero-name-en {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-left: 8px;
}

/* 実績バッジ群 */
.hero-achievements {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.achieve-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--color-base);
  border: 1.5px solid var(--color-border);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-text-main);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s ease;
}

.achieve-chip:hover {
  border-color: var(--color-primary);
}

.achieve-chip i {
  color: var(--color-primary);
  font-size: 1rem;
}

/* YouTubeチップには赤アクセントを適用 */
.achieve-chip:first-child i {
  color: var(--color-accent-red);
}

.achieve-chip strong {
  color: var(--color-primary);
  font-size: 0.95rem;
}

.achieve-chip:first-child strong {
  color: var(--color-accent-red);
}

/* 公式プロフィール文 */
.hero-bio {
  background-color: var(--color-base);
  border: 1.5px solid var(--color-border);
  border-left: 5px solid var(--color-primary);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  margin-bottom: 24px;
  font-size: 0.96rem;
  color: var(--color-text-main);
  line-height: 1.8;
  box-shadow: var(--shadow-sm);
  text-align: left;
  position: relative;
}

.hero-bio p {
  margin: 0;
  text-align: left;
}

/* ─────────────────────────────────────────────────────────────
   ★ 最重要：プロフィール直下のクイック導線（4グループ構成）
   ───────────────────────────────────────────────────────────── */
.hero-action-links {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 440px;
}

.action-links-label {
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--color-text-sub);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 2px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.action-links-label i {
  color: var(--color-primary);
}

/* 1. メイン & SNS配信（YouTubeと4つの角丸正方形SNSアイコンを横並び） */
.action-row-main {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
}

.action-btn-primary {
  flex: 1;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, #ff1a47 0%, #e60029 100%);
  color: #ffffff !important;
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  padding: 0 16px;
  border-radius: 10px;
  text-decoration: none;
  box-shadow: 0 4px 0 #b3001e, 0 6px 18px var(--color-accent-red-glow);
  transition: all var(--transition-bounce);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-sizing: border-box;
  white-space: nowrap;
}

.action-btn-primary i {
  font-size: 1.25rem;
  color: #ffffff;
  transition: transform var(--transition-bounce);
}

.action-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 7px 0 #b3001e, 0 12px 26px rgba(255, 0, 51, 0.45);
  background: linear-gradient(135deg, #ff2d57 0%, #f0002f 100%);
}

.action-btn-primary:hover i {
  transform: scale(1.2) rotate(-6deg);
}

.action-btn-primary:active {
  transform: translateY(3px);
  box-shadow: 0 1px 0 #b3001e, 0 3px 8px rgba(255, 0, 51, 0.3);
}

/* SNS・配信アイコン群 (角丸の正方形) */
.action-sns-icons {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.action-icon-btn {
  width: 44px;
  height: 44px;
  min-width: 44px;
  aspect-ratio: 1 / 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-base);
  border: 1.5px solid var(--color-border);
  border-radius: 10px; /* 角丸の正方形 */
  box-shadow: 0 3px 0 #d5dfe8, 0 4px 10px rgba(0, 0, 0, 0.03);
  text-decoration: none;
  transition: all var(--transition-bounce);
  color: var(--color-text-main);
  box-sizing: border-box;
  flex-shrink: 0;
}

.action-icon-btn i {
  font-size: 1.25rem;
  transition: transform var(--transition-bounce);
}

.action-icon-btn .icon-x {
  width: 16px;
  height: 16px;
  display: inline-block;
  fill: #111111;
  transition: transform var(--transition-bounce), fill 0.2s ease;
}

.action-icon-btn.btn-x i {
  color: #111111;
}

.action-icon-btn.btn-twitch i {
  color: #9146ff;
}

.action-icon-btn.btn-tiktok .icon-tiktok {
  width: 18px;
  height: 18px;
  display: inline-block;
  fill: #111111;
  transition: transform var(--transition-bounce), fill 0.2s ease;
}

.action-icon-btn.btn-spotify i {
  color: #1db954;
}

.action-icon-btn:hover {
  transform: translateY(-3px);
}

.action-icon-btn.btn-x:hover {
  border-color: #111111;
  background-color: #f3f4f6;
  box-shadow: 0 5px 0 #9ca3af, 0 8px 18px rgba(0, 0, 0, 0.12);
}

.action-icon-btn.btn-twitch:hover {
  border-color: #9146ff;
  background-color: #f6f0ff;
  box-shadow: 0 5px 0 #c4b5fd, 0 8px 18px rgba(145, 70, 255, 0.25);
}

.action-icon-btn.btn-tiktok:hover {
  border-color: #fe2c55;
  background-color: #fff1f2;
  box-shadow: 0 5px 0 #fda4af, 0 8px 18px rgba(254, 44, 85, 0.25);
}

.action-icon-btn.btn-spotify:hover {
  border-color: #1db954;
  background-color: #f0fdf4;
  box-shadow: 0 5px 0 #86efac, 0 8px 18px rgba(29, 185, 84, 0.25);
}

.action-icon-btn:hover i,
.action-icon-btn:hover .icon-tiktok {
  transform: scale(1.22) rotate(-6deg);
}

.action-icon-btn:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 #d5dfe8, 0 2px 4px rgba(0, 0, 0, 0.05);
}

/* 3. メッセージ (マシュマロ・横長控えめボタン) */
.action-group-msg {
  width: 100%;
}

.action-btn-message {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  background-color: #f8fafc;
  color: #475569 !important;
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.03em;
  padding: 11px 16px;
  border-radius: var(--radius-btn);
  text-decoration: none;
  border: 1px solid #e2e8f0;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
  transition: all var(--transition-bounce);
  box-sizing: border-box;
}

.action-btn-message i {
  color: #f472b6;
  font-size: 1.05rem;
  transition: transform var(--transition-bounce);
}

.action-btn-message .btn-marshmallow-img {
  width: 21px;
  height: 21px;
  object-fit: contain;
  vertical-align: middle;
  transition: transform var(--transition-bounce);
}

.action-btn-message:hover {
  transform: translateY(-2px);
  background-color: #ffffff;
  color: #db2777 !important;
  border-color: #f472b6;
  box-shadow: 0 4px 12px rgba(244, 114, 182, 0.18);
}

.action-btn-message:hover i,
.action-btn-message:hover .btn-marshmallow-img {
  transform: scale(1.22) rotate(-8deg);
}

.action-btn-message:active {
  transform: translateY(1px);
}

/* 4. 応援・支援枠（独立枠・温かみのあるオレンジ／アンバー系） */
.action-group-support {
  margin-top: 6px;
  padding-top: 10px;
  border-top: 1px dashed #e2e8f0;
  width: 100%;
}

.support-links-label {
  font-size: 0.78rem;
  font-weight: 800;
  color: #b45309;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.support-links-label i {
  color: #ea580c;
}

.support-btn-row {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
}

.action-btn-support {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: #fffbf7;
  color: #9a3412 !important;
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.03em;
  padding: 10px 14px;
  border-radius: var(--radius-btn);
  text-decoration: none;
  border: 1.5px solid #fed7aa;
  box-shadow: 0 3px 0 #fbd38d, 0 3px 8px rgba(234, 88, 12, 0.06);
  transition: all var(--transition-bounce);
  box-sizing: border-box;
}

.action-btn-support i {
  color: #ea580c;
  font-size: 0.98rem;
  transition: transform var(--transition-bounce);
}

.action-btn-support .btn-doneru-img {
  height: 22px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  vertical-align: middle;
  transition: transform var(--transition-bounce);
}

.action-btn-support:hover {
  transform: translateY(-2px);
  background-color: #fff7ed;
  border-color: #f97316;
  color: #c2410c !important;
  box-shadow: 0 5px 0 #fbd38d, 0 8px 18px rgba(234, 88, 12, 0.18);
}

.action-btn-support:hover i {
  transform: scale(1.18) rotate(-6deg);
}

.action-btn-support:hover .btn-doneru-img {
  transform: scale(1.08);
}

.action-btn-support:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 #fbd38d, 0 2px 4px rgba(234, 88, 12, 0.1);
}

/* ─────────────────────────────────────────────────────────────
   2. ABOUT MIZUTI (3つの特徴)
   ───────────────────────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--color-base);
  /* 基本：細く薄いグレーのふちどり＋清潔感のある薄い影 */
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-md);
  padding: 0;
  text-align: center;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  /* カード角丸に合わせて画像をクリップ */
}

/* 拡大なし、枠の色が変わる仕様を残す */
.feature-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 18px rgba(28, 160, 206, 0.15);
}

/* カードの一番上に横幅いっぱい配置するサムネイル枠（YouTubeサムネイルと同じ16:9比率） */
.feature-thumb-wrap {
  width: 100%;
  aspect-ratio: 16 / 9;
  margin: 0;
  overflow: hidden;
  background-color: var(--color-bg-sub);
  border-bottom: 1px solid #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.feature-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* イラスト用（枠内にパディングを取って綺麗に収める） */
.feature-thumb-wrap.is-contain .feature-thumb-img {
  object-fit: contain;
  padding: 16px;
}

/* ホバー時の画像拡大を無効化 */
.feature-card:hover .feature-thumb-img {
  transform: none;
}

/* サムネイル上の小さなカテゴリバッジ */
.feature-thumb-badge {
  position: absolute;
  bottom: 10px;
  left: 10px;
  background: rgba(34, 34, 34, 0.82);
  backdrop-filter: blur(4px);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: var(--radius-xs);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.feature-thumb-badge i {
  color: var(--color-primary);
}

/* カード下部のテキストコンテンツ領域 */
.feature-body {
  padding: 22px 20px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

/* 従来のアイコンラップ（画像がない場合用にも保持） */
.feature-icon-wrap {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  border: 1px solid rgba(28, 160, 206, 0.15);
}

.feature-card:hover .feature-icon-wrap {
  transform: none;
}

.feature-title {
  text-align: center;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-text-main);
  margin: 0 0 10px 0;
}

.feature-text {
  font-size: 0.9rem;
  color: var(--color-text-sub);
  line-height: 1.7;
  margin: 0;
  flex: 1;
  text-align: left;
}

/* ─────────────────────────────────────────────────────────────
   3. PERSONAL DATA & TRIVIA
   ───────────────────────────────────────────────────────────── */
.personal-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 28px;
}

.personal-card {
  background: var(--color-base);
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-md);
  padding: 30px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
  text-align: left;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.personal-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(28, 160, 206, 0.12);
}

.personal-card-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-text-main);
  margin: 0 0 20px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-border-subtle);
  letter-spacing: 0.04em;
}

.personal-card-title i {
  color: var(--color-primary);
}

/* 基本スペックリスト */
.spec-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.spec-item {
  background: var(--color-bg-sub);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  border: 1.5px solid var(--color-border-subtle);
  transition: border-color 0.2s ease;
}

.spec-item:hover {
  border-color: rgba(28, 160, 206, 0.45);
}

.spec-label {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.spec-value {
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--color-text-main);
}

.spec-value small {
  font-size: 0.85rem;
  color: var(--color-text-sub);
  font-weight: normal;
  margin-left: 4px;
}

/* MBTI 強調 */
.spec-item.spec-mbti {
  grid-column: span 2;
  background: var(--color-primary-light);
  border-color: rgba(28, 160, 206, 0.3);
}

.spec-item.spec-mbti .spec-label {
  color: var(--color-primary);
}

.spec-item.spec-mbti .spec-value {
  color: var(--color-primary-hover);
}

/* キーワードタグクラウド（ゲームのスキルバッジ風・シャープな角丸） */
.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.info-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-bg-sub);
  color: var(--color-text-main);
  border: 1.5px solid var(--color-border);
  font-size: 0.86rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: default;
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.info-tag i {
  color: var(--color-primary);
  font-size: 0.8rem;
}

.info-tag:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
  color: var(--color-primary) !important;
}


/* ─────────────────────────────────────────────────────────────
   4. ACTIVITIES (活動紹介)
   ───────────────────────────────────────────────────────────── */
.activities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.activity-card {
  background: var(--color-base);
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  text-align: left;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

/* 拡大なし、枠の色が変わる仕様を残す */
.activity-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 18px rgba(28, 160, 206, 0.15);
}

.activity-card:first-child:hover {
  border-color: var(--color-accent-red);
  box-shadow: 0 4px 18px rgba(255, 0, 51, 0.15);
}

.activity-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.activity-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
  border: 1px solid rgba(28, 160, 206, 0.15);
  transition: transform var(--transition-bounce), background var(--transition-fast);
}

/* YouTubeカードは赤アイコンでアクセント */
.activity-card:first-child .activity-icon {
  background: var(--color-accent-red-light);
  color: var(--color-accent-red);
  border-color: rgba(255, 0, 51, 0.2);
}

/* アイコンがくるっと動く仕様を残す（拡大scaleはなし） */
.activity-card:hover .activity-icon {
  transform: rotate(-8deg);
}

.activity-badge {
  font-size: 0.76rem;
  color: var(--color-primary);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.activity-card:first-child .activity-badge {
  color: var(--color-accent-red);
}

.activity-name {
  font-size: 1.18rem;
  font-weight: 800;
  color: var(--color-text-main);
  margin: 2px 0 0 0;
}

.activity-desc {
  font-size: 0.9rem;
  color: var(--color-text-sub);
  line-height: 1.7;
  margin: 0 0 18px 0;
  flex: 1;
  text-align: left;
}

.activity-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.88rem;
  text-decoration: none;
  margin-top: auto;
  transition: all var(--transition-bounce);
}

.activity-link i {
  transition: transform var(--transition-bounce);
}

.activity-link:hover {
  text-decoration: none;
}

.activity-link:hover i {
  transform: translateX(4px);
}

/* ─────────────────────────────────────────────────────────────
   5. MILESTONES (活動のあゆみ)
   ───────────────────────────────────────────────────────────── */
.milestones-box {
  background: var(--color-base);
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-md);
  padding: 36px 32px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
  max-width: 820px;
  margin: 0 auto;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.milestones-box:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 18px rgba(28, 160, 206, 0.12);
}

.timeline-list {
  position: relative;
  padding-left: 28px;
  margin: 0;
  list-style: none;
}

.timeline-list::before {
  content: "";
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: 7px;
  width: 2px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  margin-bottom: 18px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -28px;
  top: 14px;
  width: 16px;
  height: 16px;
  border-radius: var(--radius-xs);
  background: var(--color-base);
  border: 3px solid var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.timeline-item:hover .timeline-dot {
  transform: none;
}

.timeline-content {
  background: var(--color-bg-sub);
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  text-align: left;
  transition: border-color 0.2s ease;
}

.timeline-item:hover .timeline-content {
  transform: none;
  border-color: rgba(28, 160, 206, 0.45);
  background: var(--color-bg-sub);
  box-shadow: none;
}

.timeline-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin-bottom: 4px;
}

.timeline-date {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--color-text-main);
  letter-spacing: 0.03em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.timeline-date i {
  color: var(--color-primary);
  font-size: 0.84rem;
}

.timeline-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--color-primary);
  background: var(--color-primary-light);
  border: 1px solid rgba(28, 160, 206, 0.25);
  padding: 1px 8px;
  border-radius: var(--radius-xs);
  letter-spacing: 0.05em;
}

.timeline-title-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 12px;
}

.timeline-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-text-main);
  margin: 0;
  text-align: left;
}

.timeline-title a {
  color: var(--color-text-main);
  text-decoration: none;
  transition: color 0.2s ease;
}

.timeline-title a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.timeline-stream-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 700;
  color: #c5221f;
  background: #fce8e6;
  border: 1px solid rgba(217, 48, 37, 0.25);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.timeline-stream-btn i {
  font-size: 0.95rem;
  color: #e50914;
  transition: color 0.2s ease;
}

.timeline-stream-btn:hover {
  background: #e50914;
  color: #ffffff !important;
  border-color: #e50914;
  box-shadow: 0 2px 8px rgba(229, 9, 20, 0.25);
  text-decoration: none;
}

.timeline-stream-btn:hover i {
  color: #ffffff !important;
}

/* タイムライン折りたたみ（もっと見る） */
.timeline-collapsed-item {
  display: none;
}

.timeline-more-wrap {
  text-align: center;
  margin-top: 20px;
  padding-top: 4px;
}

.timeline-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--color-base);
  border: 1.5px solid var(--color-border);
  color: var(--color-primary);
  font-size: 0.92rem;
  font-weight: 700;
  padding: 9px 28px;
  border-radius: 9999px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  cursor: pointer;
  transition: all 0.25s ease;
  font-family: inherit;
}

.timeline-toggle-btn:hover {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary-hover);
  box-shadow: 0 4px 14px rgba(28, 160, 206, 0.18);
}

.timeline-toggle-btn i {
  font-size: 0.8rem;
  transition: transform 0.3s ease;
}

.timeline-toggle-btn.is-open i {
  transform: rotate(180deg);
}

/* ─────────────────────────────────────────────────────────────
   6. NAVIGATION / OTHER LINKS
   ───────────────────────────────────────────────────────────── */
.sublinks-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.sublink-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--color-base);
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-md);
  padding: 20px;
  text-decoration: none;
  color: var(--color-text-main);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
  transition: transform var(--transition-bounce), border-color 0.2s ease, box-shadow 0.2s ease;
  text-align: left;
}

.sublink-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-primary);
  box-shadow: 0 12px 26px rgba(28, 160, 206, 0.22), 0 0 0 1px var(--color-primary);
}

.sublink-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-sub);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
  transition: all var(--transition-bounce);
  border: 1px solid var(--color-border-subtle);
}

.sublink-card:hover .sublink-icon {
  background: var(--color-primary);
  color: #ffffff;
  transform: scale(1.15) rotate(-6deg);
  border-color: transparent;
}

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

.sublink-info h4 {
  font-size: 0.98rem;
  font-weight: 700;
  margin: 0 0 2px 0;
  text-align: left;
}

.sublink-info p {
  font-size: 0.8rem;
  color: var(--color-text-sub);
  margin: 0;
  text-align: left;
}

.sublink-arrow {
  margin-left: auto;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  transition: transform var(--transition-fast);
}

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

/* ─────────────────────────────────────────────────────────────
   レスポンシブ対応 (SP: 768px以下)
   ───────────────────────────────────────────────────────────── */
@media screen and (max-width: 768px) {
  .profile-hero-section {
    padding: 95px 0 44px;
  }

  .profile-section {
    padding: 44px 0;
  }

  .profile-container {
    padding: 0 16px;
  }

  .section-tag,
  h2.section-tag {
    font-size: 2.4rem;
    line-height: 2.8rem;
    padding: 0 10px;
  }

  .section-title,
  h3.section-title,
  .profile-wrapper .section-title {
    font-size: 1.35rem;
    margin: 10px auto 6px;
    padding: 0;
  }

  .hero-sub {
    font-size: 1.6rem;
  }

  /* Hero SP */
  .hero-grid {
    flex-direction: column;
    gap: 32px;
  }

  .hero-visual {
    flex: none;
    width: 100%;
  }

  .hero-visual-card {
    max-width: 260px;
    padding: 20px 16px 14px;
  }

  .hero-avatar-wrap {
    width: 180px;
    height: 220px;
  }

  .hero-name {
    font-size: 1.8rem;
  }

  .hero-achievements {
    gap: 8px;
  }

  .achieve-chip {
    font-size: 0.82rem;
    padding: 5px 12px;
  }

  /* Action Links SP */
  .hero-action-links {
    max-width: 100%;
    gap: 10px;
  }

  .action-row-main {
    gap: 6px;
  }

  .action-btn-primary {
    height: 40px;
    font-size: 0.86rem;
    padding: 0 10px;
    gap: 6px;
    border-radius: 8px;
  }

  .action-btn-primary i {
    font-size: 1.1rem;
  }

  .action-sns-icons {
    gap: 6px;
  }

  .action-icon-btn {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: 8px;
  }

  .action-icon-btn i {
    font-size: 1.1rem;
  }

  .action-icon-btn .icon-x,
  .action-icon-btn.btn-tiktok .icon-tiktok {
    width: 14px;
    height: 14px;
  }

  .support-btn-row {
    gap: 8px;
  }

  .action-btn-support {
    padding: 10px 10px;
    font-size: 0.84rem;
  }

  /* Features SP */
  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .feature-card {
    padding: 22px 18px;
  }

  /* Personal Data SP */
  .personal-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .personal-card {
    padding: 20px 16px;
  }

  .spec-list {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .spec-item.spec-mbti {
    grid-column: span 1;
  }

  /* Activities SP */
  .activities-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .activity-card {
    padding: 20px 18px;
  }

  /* Milestones SP */
  .milestones-box {
    padding: 24px 18px;
  }

  .timeline-content {
    padding: 12px 14px;
  }

  /* Sublinks SP */
  .sublinks-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

/* =============================================================
   Scroll Fade-in Animation (スクロール連動フェードイン・アップ)
   ============================================================= */

/* ベースクラス：初期状態 */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: opacity, transform;
}

/* 表示状態（JSで付与） */
.fade-in-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* 遅延ユーティリティクラス */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* 複数並んでいるカードのスタッガー効果（PC表示時） */
@media (min-width: 769px) {
  /* みずちの特徴（3枚） */
  .features-grid .feature-card:nth-child(1) { transition-delay: 0.1s; }
  .features-grid .feature-card:nth-child(2) { transition-delay: 0.25s; }
  .features-grid .feature-card:nth-child(3) { transition-delay: 0.4s; }

  /* 基本データ＆人となり（2枚） */
  .personal-grid .personal-card:nth-child(1) { transition-delay: 0.1s; }
  .personal-grid .personal-card:nth-child(2) { transition-delay: 0.25s; }

  /* 主な活動内容（4枚） */
  .activities-grid .activity-card:nth-child(1) { transition-delay: 0.1s; }
  .activities-grid .activity-card:nth-child(2) { transition-delay: 0.2s; }
  .activities-grid .activity-card:nth-child(3) { transition-delay: 0.3s; }
  .activities-grid .activity-card:nth-child(4) { transition-delay: 0.4s; }

  /* その他のご案内（3枚） */
  .sublinks-grid .sublink-card:nth-child(1) { transition-delay: 0.1s; }
  .sublinks-grid .sublink-card:nth-child(2) { transition-delay: 0.2s; }
  .sublinks-grid .sublink-card:nth-child(3) { transition-delay: 0.3s; }
}

/* モバイル表示時：自然なスクロール感に合わせた短い遅延 */
@media (max-width: 768px) {
  .features-grid .feature-card:nth-child(n),
  .personal-grid .personal-card:nth-child(n),
  .activities-grid .activity-card:nth-child(n),
  .sublinks-grid .sublink-card:nth-child(n) {
    transition-delay: 0.05s;
  }
}