/*
Theme Name: Shoichi Abe Branding
Theme URI: https://shoichi-abe.com/
Author: Gemini International
Author URI: https://shoichi-abe.com/
Description: 阿部正一氏のブランディングサイト用オリジナルWordPressテーマ。インドネシア人材を中心に、日本とアジアの未来をつなぐ事業家としての魅力を伝えるデザイン。投稿からブログを発信できます。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: shoichi-abe
*/

/* =========================================================
   1. デザイントークン（配色・書体・余白）
   ========================================================= */
:root {
  --navy:      #16283f;   /* 信頼の濃紺（スーツ） */
  --navy-2:    #1e3a57;
  --navy-3:    #2b4a6b;
  --gold:      #c19a4d;   /* 品格のゴールド */
  --gold-2:    #d8b877;
  --sun:       #e08a4c;   /* アジアの朝日／温かさ */
  --cream:     #faf6ee;   /* 生成りの背景 */
  --cream-2:   #f2ebdd;
  --ink:       #22272e;   /* 本文 */
  --muted:     #6c7382;   /* 補助テキスト */
  --line:      #e5ddce;   /* 罫線 */
  --white:     #ffffff;

  --serif: "Noto Serif JP", "Yu Mincho", "游明朝", serif;
  --sans:  "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;

  --maxw: 1160px;
  --radius: 4px;
  --shadow: 0 18px 50px -20px rgba(22, 40, 63, .28);
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* =========================================================
   2. リセット & 基本
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.9;
  font-size: 16px;
  letter-spacing: .02em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy); text-decoration: none; transition: color .25s var(--ease); }
a:hover { color: var(--sun); }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.45; letter-spacing: .04em; }
p { margin: 0 0 1.4em; }
ul { margin: 0; padding: 0; }

/* コンテナ */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; }
.narrow { max-width: 820px; }

/* アクセシビリティ */
.screen-reader-text {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px); clip-path: inset(50%); white-space: nowrap; border: 0; padding: 0; margin: -1px;
}
.skip-link {
  position: absolute; top: -60px; left: 12px; z-index: 200; background: var(--navy); color: #fff;
  padding: 10px 18px; border-radius: var(--radius); transition: top .25s var(--ease);
}
.skip-link:focus { top: 12px; color: #fff; }
:focus-visible { outline: 2px solid var(--sun); outline-offset: 2px; }

/* セクション共通 */
.section { padding: clamp(72px, 11vw, 140px) 0; position: relative; }
.section--cream2 { background: var(--cream-2); }
.section--navy { background: var(--navy); color: var(--cream); }
.section--navy h2, .section--navy h3 { color: var(--white); }

/* セクション見出し */
.sec-head { text-align: center; margin-bottom: clamp(40px, 6vw, 72px); }
.sec-head .en {
  display: inline-block; font-family: var(--sans); font-size: 12px; font-weight: 700;
  letter-spacing: .32em; color: var(--gold); text-transform: uppercase; margin-bottom: 18px;
}
.sec-head .en::before { content: ""; display: inline-block; width: 26px; height: 1px; background: var(--gold); vertical-align: middle; margin-right: 12px; }
.sec-head .en::after  { content: ""; display: inline-block; width: 26px; height: 1px; background: var(--gold); vertical-align: middle; margin-left: 12px; }
.sec-head h2 { font-size: clamp(1.6rem, 3.6vw, 2.4rem); margin: 0; }
.sec-head .lead { color: var(--muted); margin-top: 18px; font-size: 1.02rem; }

/* ボタン */
.btn {
  display: inline-flex; align-items: center; gap: .6em;
  padding: 15px 34px; font-family: var(--sans); font-weight: 700; font-size: .92rem;
  letter-spacing: .1em; border-radius: 999px; border: 1px solid transparent;
  transition: all .3s var(--ease); cursor: pointer;
}
.btn--primary { background: var(--navy); color: var(--white); }
.btn--primary:hover { background: var(--sun); color: var(--white); transform: translateY(-2px); box-shadow: 0 14px 30px -12px rgba(224,138,76,.6); }
.btn--gold { background: var(--gold); color: var(--white); }
.btn--gold:hover { background: var(--gold-2); color: var(--white); transform: translateY(-2px); }
.btn--outline { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn--outline:hover { background: var(--navy); color: var(--white); }
.btn--ghost { background: transparent; color: var(--cream); border-color: rgba(255,255,255,.5); }
.btn--ghost:hover { background: var(--white); color: var(--navy); border-color: var(--white); }
.btn .arrow { transition: transform .3s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

/* =========================================================
   3. ヘッダー
   ========================================================= */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px clamp(24px, 5vw, 56px);
  transition: background .4s var(--ease), padding .4s var(--ease), box-shadow .4s var(--ease);
}
.site-header.is-scrolled {
  background: rgba(250, 246, 238, .92);
  backdrop-filter: blur(10px);
  padding-top: 14px; padding-bottom: 14px;
  box-shadow: 0 1px 0 var(--line);
}
.brand { display: flex; line-height: 1.2; flex-shrink: 0; }
.brand a { color: var(--white); transition: color .4s var(--ease); display: flex; flex-direction: column; }
.brand .brand-name { font-family: var(--serif); font-size: 1.28rem; font-weight: 600; letter-spacing: .12em; }
.brand .brand-sub { font-family: var(--sans); font-size: .62rem; letter-spacing: .28em; margin-top: 3px; opacity: .85; }
.is-scrolled .brand a { color: var(--navy); }

.nav-toggle { display: none; }
.main-nav ul { display: flex; align-items: center; gap: 26px; list-style: none; flex-wrap: nowrap; }
.main-nav li { flex-shrink: 0; }
.main-nav a {
  color: var(--white); font-size: .86rem; font-weight: 500; letter-spacing: .1em;
  position: relative; padding: 6px 0; white-space: nowrap;
}
.main-nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 1px;
  background: var(--gold); transition: width .3s var(--ease);
}
.main-nav a:hover { color: var(--gold-2); }
.main-nav a:hover::after { width: 100%; }
.is-scrolled .main-nav a { color: var(--navy); }
.is-scrolled .main-nav a:hover { color: var(--sun); }
.main-nav .nav-cta a {
  background: var(--gold); color: var(--white); padding: 10px 22px; border-radius: 999px;
}
.main-nav .nav-cta a::after { display: none; }
.main-nav .nav-cta a:hover { background: var(--sun); color: var(--white); }
.is-scrolled .main-nav .nav-cta a { color: var(--white); }

/* =========================================================
   4. ヒーロー
   ========================================================= */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; background: var(--navy); overflow: hidden; }
.hero__media { position: absolute; inset: 0; z-index: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; object-position: 60% 28%; }
.hero__media::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(105deg, rgba(15,27,44,.94) 0%, rgba(18,32,52,.82) 42%, rgba(20,38,60,.35) 72%, rgba(20,38,60,.15) 100%),
    linear-gradient(0deg, rgba(15,27,44,.55), rgba(15,27,44,0) 40%);
}
.hero__inner { position: relative; z-index: 2; width: 100%; max-width: var(--maxw); margin-inline: auto; padding: 140px 24px 90px; }
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 12px; color: var(--gold-2);
  font-size: .78rem; font-weight: 700; letter-spacing: .28em; margin-bottom: 26px;
}
.hero__eyebrow::before { content: ""; width: 34px; height: 1px; background: var(--gold); }
.hero h1 {
  color: var(--white); font-size: clamp(2.1rem, 6.2vw, 4.1rem); line-height: 1.32;
  margin: 0 0 28px; text-shadow: 0 2px 24px rgba(0,0,0,.3);
}
.hero h1 .accent { color: var(--gold-2); }
.hero__sub { color: rgba(255,255,255,.9); font-size: clamp(1rem, 2vw, 1.18rem); max-width: 30em; margin-bottom: 40px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 16px; }
.hero__scroll {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); z-index: 3;
  color: rgba(255,255,255,.7); font-size: .62rem; letter-spacing: .3em; writing-mode: vertical-rl;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.hero__scroll::after { content: ""; width: 1px; height: 46px; background: linear-gradient(var(--gold), transparent); animation: scrolldown 2s var(--ease) infinite; }
@keyframes scrolldown { 0% { transform: scaleY(0); transform-origin: top; } 45% { transform: scaleY(1); transform-origin: top; } 55% { transform: scaleY(1); transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* =========================================================
   5. イントロ（信条の一文）
   ========================================================= */
.intro { text-align: center; }
.intro .kicker { color: var(--gold); font-weight: 700; letter-spacing: .3em; font-size: .78rem; }
.intro h2 { font-size: clamp(1.5rem, 3.4vw, 2.15rem); margin: 22px 0 30px; line-height: 1.7; }
.intro p { color: var(--muted); font-size: 1.02rem; }
.intro .mark { color: var(--sun); }

/* =========================================================
   6. ビジョン／3つの信念
   ========================================================= */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.pillar {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 44px 32px; text-align: center; transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.pillar:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.pillar .num { font-family: var(--serif); font-size: .8rem; letter-spacing: .3em; color: var(--gold); }
.pillar .ico { width: 58px; height: 58px; margin: 18px auto 22px; display: grid; place-items: center; border-radius: 50%; background: var(--cream-2); color: var(--navy); }
.pillar .ico svg { width: 28px; height: 28px; }
.pillar h3 { font-size: 1.22rem; margin: 0 0 14px; }
.pillar p { color: var(--muted); font-size: .94rem; margin: 0; }

/* =========================================================
   7. 事業紹介
   ========================================================= */
.biz { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.biz-card {
  position: relative; background: var(--white); border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); display: flex; flex-direction: column;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.biz-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.biz-card__body { padding: 34px 30px 36px; flex: 1; display: flex; flex-direction: column; }
.biz-card .tag { font-size: .68rem; letter-spacing: .22em; color: var(--gold); font-weight: 700; }
.biz-card h3 { font-size: 1.24rem; margin: 12px 0 14px; }
.biz-card p { color: var(--muted); font-size: .92rem; }
.biz-card .more { margin-top: auto; font-size: .82rem; font-weight: 700; letter-spacing: .08em; color: var(--navy); display: inline-flex; gap: .4em; }
.biz-card .bar { height: 4px; background: linear-gradient(90deg, var(--gold), var(--sun)); }

/* =========================================================
   8. プロフィール
   ========================================================= */
.profile { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(36px, 6vw, 76px); align-items: center; }
.profile__photo { position: relative; }
.profile__photo img { border-radius: var(--radius); box-shadow: var(--shadow); position: relative; z-index: 2; aspect-ratio: 4/5; object-fit: cover; object-position: 60% 20%; }
.profile__photo::before {
  content: ""; position: absolute; inset: 22px -22px -22px 22px; border: 1px solid var(--gold);
  border-radius: var(--radius); z-index: 1;
}
.profile__name { display: flex; align-items: baseline; gap: 16px; margin-bottom: 6px; }
.profile__name .ja { font-family: var(--serif); font-size: clamp(1.8rem, 4vw, 2.4rem); }
.profile__name .en { font-size: .8rem; letter-spacing: .2em; color: var(--muted); }
.profile__role { color: var(--gold); font-weight: 700; letter-spacing: .08em; font-size: .92rem; margin-bottom: 24px; }
.profile p { font-size: .98rem; }
.timeline { list-style: none; margin: 30px 0 0; border-top: 1px solid var(--line); }
.timeline li { display: grid; grid-template-columns: 96px 1fr; gap: 20px; padding: 15px 4px; border-bottom: 1px solid var(--line); font-size: .92rem; }
.timeline .yr { font-family: var(--serif); color: var(--navy); font-weight: 600; }
.timeline .ev { color: var(--ink); }

/* =========================================================
   9. 代表メッセージ
   ========================================================= */
.message { position: relative; }
.message__mark { font-family: var(--serif); font-size: 8rem; line-height: 1; color: rgba(255,255,255,.14); position: absolute; top: -30px; left: 10px; }
.message .container { position: relative; z-index: 2; }
.message h2 { font-size: clamp(1.5rem, 3.4vw, 2.15rem); margin-bottom: 30px; }
.message p { color: rgba(255,255,255,.9); font-size: 1.04rem; line-height: 2.1; }
.message .sign { margin-top: 34px; display: flex; align-items: baseline; gap: 14px; }
.message .sign .lbl { font-size: .8rem; letter-spacing: .18em; color: var(--gold-2); }
.message .sign .nm { font-family: var(--serif); font-size: 1.5rem; color: var(--white); }

/* =========================================================
   10. ブログ最新記事
   ========================================================= */
.posts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.post-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: transform .4s var(--ease), box-shadow .4s var(--ease); }
.post-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.post-card__thumb { aspect-ratio: 16/10; overflow: hidden; background: var(--cream-2); }
.post-card__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.post-card:hover .post-card__thumb img { transform: scale(1.06); }
.post-card__thumb--empty { display: grid; place-items: center; color: var(--gold); font-family: var(--serif); font-size: 1.4rem; letter-spacing: .2em; }
.post-card__body { padding: 24px 24px 28px; flex: 1; display: flex; flex-direction: column; }
.post-card__meta { display: flex; gap: 12px; align-items: center; font-size: .74rem; color: var(--muted); letter-spacing: .06em; margin-bottom: 12px; }
.post-card__meta .cat { color: var(--white); background: var(--gold); padding: 3px 12px; border-radius: 999px; font-weight: 700; letter-spacing: .1em; }
.post-card h3 { font-size: 1.08rem; line-height: 1.6; margin: 0 0 14px; }
.post-card h3 a { color: var(--ink); }
.post-card h3 a:hover { color: var(--sun); }
.post-card .excerpt { color: var(--muted); font-size: .86rem; margin: 0 0 18px; }
.post-card .more { margin-top: auto; font-size: .8rem; font-weight: 700; color: var(--navy); }
.posts-cta { text-align: center; margin-top: 56px; }

/* =========================================================
   11. お問い合わせ CTA
   ========================================================= */
.cta { position: relative; text-align: center; background: linear-gradient(120deg, var(--navy) 0%, var(--navy-2) 100%); color: var(--cream); overflow: hidden; }
.cta::before { content: ""; position: absolute; width: 460px; height: 460px; border-radius: 50%; background: radial-gradient(circle, rgba(224,138,76,.28), transparent 70%); top: -180px; right: -120px; }
.cta::after { content: ""; position: absolute; width: 380px; height: 380px; border-radius: 50%; background: radial-gradient(circle, rgba(193,154,77,.24), transparent 70%); bottom: -160px; left: -100px; }
.cta .container { position: relative; z-index: 2; }
.cta h2 { color: var(--white); font-size: clamp(1.6rem, 3.6vw, 2.4rem); margin-bottom: 20px; }
.cta p { color: rgba(255,255,255,.85); max-width: 32em; margin-inline: auto; margin-bottom: 36px; }
.cta__actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* =========================================================
   12. フッター
   ========================================================= */
.site-footer { background: #10233a; color: rgba(255,255,255,.72); padding: 72px 0 30px; font-size: .88rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.12); }
.footer-brand .brand-name { font-family: var(--serif); font-size: 1.4rem; color: var(--white); letter-spacing: .1em; }
.footer-brand p { margin-top: 16px; color: rgba(255,255,255,.62); font-size: .84rem; }
.footer-col h4 { color: var(--white); font-size: .82rem; letter-spacing: .16em; margin: 0 0 18px; font-family: var(--sans); font-weight: 700; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 11px; }
.footer-col a { color: rgba(255,255,255,.72); font-size: .86rem; }
.footer-col a:hover { color: var(--gold-2); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 26px; flex-wrap: wrap; gap: 12px; font-size: .76rem; color: rgba(255,255,255,.5); letter-spacing: .06em; }

/* =========================================================
   13. 下層・ブログページ共通
   ========================================================= */
.page-hero { background: var(--navy); color: var(--white); padding: clamp(140px, 20vw, 200px) 0 clamp(56px, 8vw, 84px); text-align: center; position: relative; }
.page-hero .en { color: var(--gold-2); font-size: .74rem; letter-spacing: .3em; font-weight: 700; }
.page-hero h1 { color: var(--white); font-size: clamp(1.8rem, 4.4vw, 2.7rem); margin: 16px 0 0; }
.breadcrumb { font-size: .74rem; color: var(--muted); letter-spacing: .04em; padding: 20px 0 0; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--sun); }
.breadcrumb span { color: var(--gold); }

.layout { display: grid; grid-template-columns: minmax(0,1fr) 300px; gap: 56px; padding: clamp(56px, 8vw, 90px) 0; }
.layout--full { display: block; }

/* 記事本文 */
.post-single { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(28px, 5vw, 60px); }
.post-single .post-thumb { border-radius: var(--radius); overflow: hidden; margin-bottom: 34px; }
.post-header .post-card__meta { margin-bottom: 16px; }
.post-single h1.entry-title { font-size: clamp(1.5rem, 3.4vw, 2.1rem); line-height: 1.5; margin: 0 0 24px; }
.entry-content { line-height: 2.1; }
.entry-content h2 { font-size: 1.5rem; margin: 2.2em 0 .8em; padding-left: 16px; border-left: 4px solid var(--gold); }
.entry-content h3 { font-size: 1.2rem; margin: 1.8em 0 .6em; color: var(--navy); }
.entry-content p { margin-bottom: 1.6em; }
.entry-content a { color: var(--sun); text-decoration: underline; text-underline-offset: 3px; }
.entry-content img { border-radius: var(--radius); margin: 1.4em 0; }
.entry-content blockquote { margin: 1.6em 0; padding: 20px 26px; background: var(--cream-2); border-left: 4px solid var(--gold); border-radius: 0 var(--radius) var(--radius) 0; color: var(--navy); }
.entry-content ul, .entry-content ol { margin: 0 0 1.6em; padding-left: 1.4em; }
.entry-content li { margin-bottom: .5em; }
.entry-content code { background: var(--cream-2); padding: 2px 7px; border-radius: 3px; font-size: .9em; }
.entry-content pre { background: var(--navy); color: #e8eef6; padding: 20px; border-radius: var(--radius); overflow-x: auto; }

/* 投稿フッター・タグ・ページャ */
.post-tags { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 10px; }
.post-tags a { font-size: .78rem; background: var(--cream-2); color: var(--navy); padding: 6px 14px; border-radius: 999px; }
.post-tags a:hover { background: var(--gold); color: var(--white); }
.post-nav { display: flex; justify-content: space-between; gap: 16px; margin-top: 40px; }
.post-nav a { flex: 1; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 22px; font-size: .86rem; transition: border-color .3s; }
.post-nav a:hover { border-color: var(--gold); }
.post-nav .dir { display: block; font-size: .68rem; color: var(--muted); letter-spacing: .16em; margin-bottom: 6px; }
.post-nav .next { text-align: right; }

/* ページネーション */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 56px; }
.pagination .page-numbers { display: grid; place-items: center; min-width: 44px; height: 44px; padding: 0 12px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); font-size: .9rem; font-weight: 600; }
.pagination .page-numbers.current { background: var(--navy); color: var(--white); border-color: var(--navy); }
.pagination a.page-numbers:hover { border-color: var(--gold); color: var(--sun); }

/* サイドバー */
.sidebar .widget { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; margin-bottom: 26px; }
.sidebar .widget-title { font-size: .92rem; letter-spacing: .1em; margin: 0 0 18px; padding-bottom: 12px; border-bottom: 2px solid var(--gold); font-family: var(--sans); font-weight: 700; }
.sidebar ul { list-style: none; }
.sidebar li { padding: 8px 0; border-bottom: 1px dashed var(--line); font-size: .88rem; }
.sidebar li:last-child { border-bottom: 0; }
.sidebar a { color: var(--ink); }
.sidebar a:hover { color: var(--sun); }
.widget_search .search-form { display: flex; gap: 8px; }
.widget_search input[type="search"] { flex: 1; border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 12px; font-family: var(--sans); }
.widget_search button { background: var(--navy); color: #fff; border: 0; border-radius: var(--radius); padding: 0 16px; cursor: pointer; }
.about-widget { text-align: center; }
.about-widget img { width: 120px; height: 120px; object-fit: cover; object-position: 60% 20%; border-radius: 50%; margin: 0 auto 16px; }
.about-widget .nm { font-family: var(--serif); font-size: 1.2rem; }
.about-widget .rl { color: var(--gold); font-size: .76rem; font-weight: 700; margin: 4px 0 12px; }
.about-widget p { font-size: .84rem; color: var(--muted); }

/* 固定ページ本文 */
.page-content { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(28px, 5vw, 60px); }

/* =========================================================
   14. スクロールアニメーション
   ========================================================= */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .12s; }
.reveal[data-delay="2"] { transition-delay: .24s; }
.reveal[data-delay="3"] { transition-delay: .36s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* =========================================================
   15. レスポンシブ
   ========================================================= */
@media (max-width: 960px) {
  .pillars, .biz, .posts-grid { grid-template-columns: 1fr 1fr; }
  .profile { grid-template-columns: 1fr; }
  .profile__photo { max-width: 420px; margin-inline: auto; }
  .layout { grid-template-columns: 1fr; }
}
@media (max-width: 960px) {
  /* モバイルナビ */
  .nav-toggle {
    display: inline-flex; flex-direction: column; gap: 6px; width: 42px; height: 42px;
    align-items: center; justify-content: center; background: transparent; border: 0; cursor: pointer; z-index: 120;
  }
  .nav-toggle span { width: 26px; height: 2px; background: var(--white); transition: all .3s var(--ease); }
  .is-scrolled .nav-toggle span, .nav-open .nav-toggle span { background: var(--navy); }
  .nav-open .nav-toggle span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
  .nav-open .nav-toggle span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

  .main-nav {
    position: fixed; inset: 0; background: rgba(250,246,238,.98); backdrop-filter: blur(8px);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden; transition: opacity .4s var(--ease); z-index: 110;
  }
  .nav-open .main-nav { opacity: 1; visibility: visible; }
  .main-nav ul { flex-direction: column; gap: 26px; text-align: center; }
  .main-nav a, .is-scrolled .main-nav a { color: var(--navy); font-size: 1.1rem; }
  .main-nav .nav-cta a { color: var(--white); }
}
@media (max-width: 560px) {
  .pillars, .biz, .posts-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .post-nav { flex-direction: column; }
  .hero__inner { padding-top: 120px; }
  .timeline li { grid-template-columns: 74px 1fr; gap: 12px; }
}