/* =========================================================
   Ochify LLC — Corporate Site Design Comp
   SHIMAYASU DESIGN / 2026-06
   キーカラー: Ochify Navy #16285e ／ アクセント: Neon Blue #1ec8ff
   ========================================================= */

:root {
  --navy:        #16285e;   /* ロゴ色 */
  --navy-deep:   #0d1838;   /* ヒーロー/フッター濃色 */
  --navy-700:    #21458f;
  --accent:      #1ec8ff;   /* ネオンブルー差し色 */
  --accent-deep: #0aa6e0;
  --ink:         #16285e;
  --ink-soft:    #4a5572;
  --paper:       #ffffff;
  --mist:        #f3f5fa;   /* オフホワイト背景 */
  --mist-2:      #e9edf6;
  --line:        rgba(22,40,94,0.12);
  --line-soft:   rgba(22,40,94,0.07);
  --shadow:      0 18px 50px -24px rgba(13,24,56,0.45);
  --shadow-sm:   0 8px 24px -16px rgba(13,24,56,0.5);
  --radius:      14px;
  --maxw:        1120px;
  --ease:        cubic-bezier(.22,.61,.36,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "IBM Plex Sans JP", "Hiragino Sans", system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

.en { font-family: "Space Grotesk", "IBM Plex Sans JP", sans-serif; }
.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; }

/* ------- 共通：英字ラベル（eyebrow） ------- */
.eyebrow {
  font-family: "Space Grotesk", "IBM Plex Sans JP", sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--accent-deep);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 20px; height: 2px;
  background: var(--accent);
  display: inline-block;
}

/* ------- 3連ドット（ロゴ由来モチーフ） ------- */
.dots { display: inline-flex; gap: 5px; align-items: center; }
.dots i { width: 7px; height: 7px; border-radius: 50%; background: var(--navy); display: block; }
.dots i:nth-child(2){ opacity:.6; } .dots i:nth-child(3){ opacity:.3; }

/* =========================================================
   ヘッダー
   ========================================================= */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.86);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line-soft);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 82px;
}
.brand img {
  height: 44px; width: auto;
}
.nav { display: flex; align-items: center; gap: 34px; }
.nav a.navlink {
  font-size: 14px; font-weight: 700; letter-spacing: 0.04em;
  color: var(--navy); position: relative; padding: 6px 0;
}
.nav a.navlink::after {
  content:""; position:absolute; left:0; bottom:-2px; width:0; height:2px;
  background: var(--accent); transition: width .3s var(--ease);
}
.nav a.navlink:hover::after { width:100%; }

.lang {
  font-family: "Space Grotesk", "IBM Plex Sans JP", sans-serif; font-size: 12px; font-weight: 600;
  letter-spacing: 0.08em; display:flex; align-items:center; gap:7px;
  border:1px solid var(--line); border-radius: 999px; padding: 6px 14px;
}
.lang a { color: var(--ink-soft); transition: all .2s; padding: 2px 6px; border-radius: 4px; }
.lang a.is-active { color: var(--navy-deep); background: var(--accent); box-shadow: 0 0 10px rgba(30,200,255,.55); }
.lang a:not(.is-active):hover { color: var(--accent-deep); }
.lang span { opacity:.35; }

/* =========================================================
   ヒーロー（テキストファーストビュー：メインビジュアル画像なし）
   ========================================================= */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1200px 500px at 78% -10%, rgba(30,200,255,0.18), transparent 60%),
    linear-gradient(160deg, var(--navy-deep) 0%, var(--navy) 70%, #1b3576 100%);
  color: #fff;
}
.hero::before { /* 微細グリッド（アーケード感） */
  content:""; position:absolute; inset:0; pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(120% 90% at 70% 20%, #000 40%, transparent 75%);
}
.hero::after { /* 右上のドット集合（ロゴモチーフ拡大） */
  content:""; position:absolute; top:-60px; right:-40px; width:320px; height:320px;
  background:
    radial-gradient(circle at 30% 30%, var(--accent) 0 5px, transparent 6px),
    radial-gradient(circle at 60% 30%, rgba(255,255,255,.5) 0 5px, transparent 6px),
    radial-gradient(circle at 45% 55%, rgba(255,255,255,.3) 0 5px, transparent 6px);
  background-size: 40px 40px; opacity:.5;
}
.hero .wrap { position: relative; z-index:2; padding: 110px 28px 120px; }
.hero .eyebrow { color: var(--accent); }
.hero .eyebrow::before { background: var(--accent); }
.hero h1 {
  font-size: clamp(30px, 5vw, 56px);
  font-weight: 900; line-height: 1.32; letter-spacing: 0.01em;
  margin: 24px 0 26px; max-width: 17em;
}
.hero h1 .hl { color: var(--accent); }
.hero .lead-en {
  font-family: "Space Grotesk", "IBM Plex Sans JP", sans-serif; font-weight: 500;
  font-size: clamp(15px, 1.7vw, 20px); line-height: 1.6;
  color: rgba(255,255,255,0.78); max-width: 30em; font-style: italic;
}
.hero .cta { display:flex; gap:14px; margin-top: 40px; flex-wrap: wrap; }

/* ボタン */
.btn {
  font-family:"Space Grotesk", "IBM Plex Sans JP", sans-serif; font-weight:600; font-size:13.5px;
  letter-spacing:0.06em; display:inline-flex; align-items:center; gap:9px;
  padding: 13px 26px; border-radius: 999px; transition: all .25s var(--ease);
  border: 1px solid transparent; cursor: pointer;
}
.btn .ar { transition: transform .25s var(--ease); }
.btn:hover .ar { transform: translateX(4px); }
.btn-accent { background: var(--accent); color: var(--navy-deep); box-shadow: 0 10px 30px -10px rgba(30,200,255,.6); }
.btn-accent:hover { background:#fff; }
.btn-ghost { border-color: rgba(255,255,255,.35); color:#fff; }
.btn-ghost:hover { border-color:#fff; background: rgba(255,255,255,.08); }
.btn-navy { background: var(--navy); color:#fff; }
.btn-navy:hover { background: var(--navy-deep); }
.btn-line { border-color: var(--line); color: var(--navy); }
.btn-line:hover { border-color: var(--navy); background: var(--mist); }

/* =========================================================
   セクション共通
   ========================================================= */
section.block { padding: 92px 0; }
section.block.mist { background: var(--mist); }

.sec-head { margin-bottom: 44px; }
.sec-head h2 {
  font-size: clamp(24px, 3vw, 34px); font-weight: 900; letter-spacing: 0.02em;
  margin-top: 6px; line-height: 1.3;
}
.sec-head .sub { color: var(--ink-soft); font-size: 14.5px; margin-top: 10px; max-width: 44em; }
.sec-head.between { display:flex; align-items:flex-end; justify-content:space-between; gap:24px; flex-wrap:wrap; }

/* =========================================================
   Podcast / note カード
   ========================================================= */
.card-grid { display:grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card-grid.cols4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border:1px solid var(--line); border-radius: var(--radius);
  overflow:hidden; transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
  display:flex; flex-direction:column;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(30,200,255,.5); }

.card .thumb {
  aspect-ratio: 16/9; position: relative;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-deep) 100%);
  display:flex; align-items:center; justify-content:center; overflow:hidden;
}
.card .thumb.alt { background: linear-gradient(135deg, #1f3f86 0%, var(--navy) 100%); }

/* Podcast カードのサムネ（番組共通・EPナンバー＋マイクのゲーム調デザイン） */
.pod-thumb { flex-direction: column; gap: 8px; background: linear-gradient(140deg, var(--navy) 0%, var(--navy-deep) 100%); }
.pod-thumb .ep {
  position: relative; z-index: 2;
  font-family: "Space Grotesk", "IBM Plex Sans JP", sans-serif; font-weight: 700; font-size: 34px; color: #fff;
  letter-spacing: .02em; text-shadow: 0 0 16px rgba(30,200,255,.65);
}
.pod-thumb .pod-mic { position: relative; z-index: 2; width: 48px; height: 48px; fill: var(--accent); opacity: .92; }
.pod-thumb .tag { background: rgba(30,200,255,.22); }
.card .thumb::after { /* グリッド薄ら */
  content:""; position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px,transparent 1px);
  background-size: 24px 24px;
}
.card .thumb .ico {
  width:46px; height:46px; border-radius:50%; background: rgba(255,255,255,.14);
  display:flex; align-items:center; justify-content:center; position:relative; z-index:2;
  border:1px solid rgba(255,255,255,.3);
}
.card .thumb .ico svg { width:18px; height:18px; fill:#fff; }
.card .thumb .tag {
  position:absolute; top:12px; left:12px; z-index:2;
  font-family:"Space Grotesk", "IBM Plex Sans JP",sans-serif; font-size:10px; font-weight:700; letter-spacing:.12em;
  text-transform:uppercase; color:#fff; background: rgba(0,0,0,.28);
  padding:4px 9px; border-radius:6px; backdrop-filter: blur(4px);
}
.card .thumb .thumb-img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.card .body { padding: 18px 18px 20px; display:flex; flex-direction:column; gap:8px; flex:1; }
.card .date { font-family:"Space Grotesk", "IBM Plex Sans JP",sans-serif; font-size:11px; font-weight:600; letter-spacing:.06em; color: var(--accent-deep); }
.card .ttl { font-size:15px; font-weight:700; line-height:1.5; color: var(--navy); }
.card .ex { font-size:12.5px; color: var(--ink-soft); line-height:1.7; }
.card .more {
  margin-top:auto; font-family:"Space Grotesk", "IBM Plex Sans JP",sans-serif; font-size:12px; font-weight:600;
  color: var(--ink-soft); display:inline-flex; align-items:center; gap:6px; padding-top:6px;
}
.card:hover .more { color: var(--accent-deep); }

/* Top: Podcast/note 2カラム見出し帯 */
.feed-split { display:grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.feed-col .feed-head {
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding-bottom:16px; margin-bottom:24px; border-bottom: 2px solid var(--navy);
}
.feed-col .feed-head .l { display:flex; align-items:center; gap:12px; }
.feed-col .feed-head .badge {
  width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;
  background: var(--navy); color:#fff;
}
.feed-col .feed-head .badge svg{ width:18px;height:18px;fill:#fff; }
.feed-col .feed-head h3 { font-size:18px; font-weight:900; letter-spacing:.02em; }
.feed-col .feed-head h3 small{ display:block; font-family:"Space Grotesk", "IBM Plex Sans JP",sans-serif; font-size:10.5px; font-weight:600; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-soft); }
.feed-col .feed-head a.alllink { font-family:"Space Grotesk", "IBM Plex Sans JP",sans-serif; font-size:12px; font-weight:600; color:var(--ink-soft); display:inline-flex; gap:5px; align-items:center; }
.feed-col .feed-head a.alllink:hover{ color:var(--accent-deep); }
.feed-col .card-grid { grid-template-columns: 1fr 1fr; gap:18px; }

/* =========================================================
   About 用パーツ
   ========================================================= */
.page-hero {
  /* F案：微細ドット＋グロー（CSS描画・2026-06-10確定） */
  background:
    radial-gradient(110% 85% at 82% 6%, rgba(30,200,255,.26), transparent 58%),
    radial-gradient(rgba(30,200,255,.16) 1.3px, transparent 1.6px) 0 0/16px 16px,
    linear-gradient(160deg, var(--navy-deep), var(--navy) 80%);
  color:#fff; position:relative; overflow:hidden;
}
.page-hero::after{
  content:""; position:absolute; right:-30px; bottom:-50px; width:240px;height:240px;
  background: radial-gradient(circle at 40% 40%, var(--accent) 0 4px, transparent 5px);
  background-size:34px 34px; opacity:.4;
}
.page-hero .wrap{ padding: 84px 28px 76px; position:relative; z-index:2; }
.page-hero h1{ font-size: clamp(30px,4.5vw,48px); font-weight:900; letter-spacing:.04em; margin-top:16px; }
.page-hero h1 .jp{ display:block; font-size: .5em; font-weight:700; color: rgba(255,255,255,.7); letter-spacing:.06em; margin-top:10px; }

/* 理念 */
.philosophy { text-align:center; }
.philosophy .statement {
  font-size: clamp(22px, 3.4vw, 36px); font-weight:900; line-height:1.6;
  letter-spacing:.02em; color: var(--navy); max-width: 20em; margin: 18px auto 0;
  text-wrap: balance;
}
.philosophy .statement .hl { color: var(--accent-deep); }
.philosophy .statement-en{ font-family:"Space Grotesk", "IBM Plex Sans JP",sans-serif; font-style:italic; font-weight:500; color:var(--ink-soft); font-size: clamp(15px,1.8vw,19px); margin-top:18px; text-wrap: balance; }
.philosophy .msg {
  max-width: 40em; margin: 40px auto 0; text-align:left; font-size:15px; line-height:2.05;
  color: var(--ink-soft); background:#fff; border:1px solid var(--line); border-left:4px solid var(--accent);
  border-radius: var(--radius); padding: 30px 34px; box-shadow: var(--shadow-sm);
}
/* 代表メッセージ冒頭：コピー的な大きい一文（明朝） */
.philosophy .msg-lead{
  font-family: "IBM Plex Sans JP", "Hiragino Sans", sans-serif; font-weight: 700;
  font-size: clamp(19px, 2.5vw, 28px); line-height: 1.65; letter-spacing: .02em;
  color: var(--accent-deep); margin-bottom: 22px;
}
.philosophy .msg-text{ margin-bottom: 15px; }
.philosophy .msg-text:last-of-type{ margin-bottom: 0; }

/* 代表略歴 タイムライン */
.timeline { max-width: 760px; margin: 0 auto; position: relative; padding-left: 26px; }
.timeline::before{ content:""; position:absolute; left:5px; top:6px; bottom:6px; width:2px; background: var(--line); }
.tl-item{ position:relative; padding: 0 0 26px 22px; }
.tl-item:last-child{ padding-bottom:0; }
.tl-item::before{
  content:""; position:absolute; left:-26px; top:5px; width:12px;height:12px;border-radius:50%;
  background:#fff; border:2px solid var(--navy);
}
.tl-item.key::before{ background: var(--accent); border-color: var(--accent); box-shadow:0 0 0 4px rgba(30,200,255,.18); }
.tl-item .yr{ font-family:"Space Grotesk", "IBM Plex Sans JP",sans-serif; font-weight:700; font-size:15px; color: var(--navy); letter-spacing:.02em; }
.tl-item .desc{ font-size:13.5px; color: var(--ink-soft); line-height:1.7; margin-top:3px; }

/* 会社概要テーブル */
.about-grid{ display:grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items:start; }
.spec { width:100%; border-collapse: collapse; }
.spec th, .spec td{ text-align:left; padding: 15px 4px; border-bottom:1px solid var(--line); vertical-align:top; font-size:14px; }
.spec th{ width: 130px; color: var(--navy); font-weight:700; letter-spacing:.04em; white-space:nowrap; }
.spec td{ color: var(--ink-soft); line-height:1.75; }
.map-embed{ border-radius: var(--radius); overflow:hidden; border:1px solid var(--line); box-shadow: var(--shadow-sm); }
.map-embed iframe{ width:100%; height:340px; border:0; display:block; filter: grayscale(.2) contrast(1.02); }

/* 事業内容 */
.biz-grid{ display:grid; grid-template-columns: repeat(2,1fr); gap: 12px 32px; }
.biz-grid li{ list-style:none; display:flex; gap:13px; padding:13px 4px; border-bottom:1px solid var(--line-soft); font-size:14px; line-height:1.6; color: var(--ink-soft); }
.biz-grid li .n{ font-family:"Space Grotesk", "IBM Plex Sans JP",sans-serif; font-weight:700; color:var(--accent-deep); font-size:13px; min-width: 26px; }

/* 業務実績 */
.work-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap:16px; }
.work-card{ background:#fff; border:1px solid var(--line); border-radius:12px; padding:22px 20px; display:flex; gap:14px; align-items:flex-start; transition: all .25s var(--ease); }
.work-card:hover{ border-color: rgba(30,200,255,.5); transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.work-card .bullet{ width:9px;height:9px;border-radius:50%;background:var(--accent); margin-top:8px; flex:none; }
.work-card p{ font-size:14px; font-weight:700; color:var(--navy); line-height:1.6; }

/* =========================================================
   Insights ページ
   ========================================================= */
.filter-tabs{ display:flex; gap:10px; margin-bottom:36px; flex-wrap:wrap; }
.filter-tabs button{
  font-family:"Space Grotesk", "IBM Plex Sans JP",sans-serif; font-size:13px; font-weight:600; letter-spacing:.04em;
  padding:9px 20px; border-radius:999px; border:1px solid var(--line); background:#fff; color:var(--ink-soft); cursor:pointer; transition: all .2s;
}
.filter-tabs button.is-active{ background:var(--navy); color:#fff; border-color:var(--navy); }
.filter-tabs button:hover{ border-color: var(--navy); }
.insights-sec{ margin-bottom: 70px; }
.insights-sec:last-child{ margin-bottom:0; }
.allbtn-wrap{ text-align:center; margin-top:40px; }

/* Spotify 埋め込みプレーヤー */
.spotify-embed{ border-radius:12px; overflow:hidden; box-shadow:var(--shadow-sm); }
.spotify-embed iframe{ display:block; width:100%; border:0; border-radius:12px; }
.feed-col .spotify-embed{ margin-top:2px; }

/* =========================================================
   フッター
   ========================================================= */
.site-footer{ background: var(--navy-deep); color: rgba(255,255,255,.72); padding: 64px 0 30px; position:relative; overflow:hidden; }
.site-footer::before{
  content:""; position:absolute; top:-40px; left:-30px; width:200px;height:200px;
  background: radial-gradient(circle at 40% 40%, rgba(30,200,255,.5) 0 4px, transparent 5px);
  background-size:30px 30px; opacity:.25;
}
.footer-top{ display:grid; grid-template-columns: 1.3fr 1fr 1fr; gap:40px; position:relative; z-index:2; padding-bottom:40px; border-bottom:1px solid rgba(255,255,255,.12); }
.footer-brand img{ height:38px; filter: brightness(0) invert(1); margin-bottom:18px; }
.footer-brand .co{ font-size:13px; line-height:1.9; }
.footer-brand .co strong{ color:#fff; font-weight:700; display:block; margin-bottom:4px; letter-spacing:.04em; }
.footer-col h4{ font-family:"Space Grotesk", "IBM Plex Sans JP",sans-serif; font-size:11px; font-weight:700; letter-spacing:.2em; text-transform:uppercase; color: var(--accent); margin-bottom:18px; }
.footer-col a{ display:block; font-size:13.5px; color: rgba(255,255,255,.72); padding:5px 0; transition: color .2s; }
.footer-col a:hover{ color:#fff; }
.sns{ display:flex; gap:12px; }
.sns a{
  width:42px;height:42px;border-radius:11px; border:1px solid rgba(255,255,255,.18);
  display:flex; align-items:center; justify-content:center; transition: all .25s var(--ease);
}
.sns a:hover{ background: var(--accent); border-color: var(--accent); transform: translateY(-3px); }
.sns a svg{ width:18px;height:18px; fill: rgba(255,255,255,.85); transition: fill .2s; }
.sns a:hover svg{ fill: var(--navy-deep); }
.footer-bottom{ position:relative; z-index:2; padding-top:24px; display:flex; justify-content:space-between; align-items:center; gap:16px; flex-wrap:wrap; }
.footer-bottom .copy{ font-family:"Space Grotesk", "IBM Plex Sans JP",sans-serif; font-size:12px; letter-spacing:.06em; color: rgba(255,255,255,.5); }
.footer-bottom .totop{ font-family:"Space Grotesk", "IBM Plex Sans JP",sans-serif; font-size:12px; font-weight:600; color: rgba(255,255,255,.6); display:inline-flex; align-items:center; gap:7px; }
.footer-bottom .totop:hover{ color:#fff; }

/* =========================================================
   レスポンシブ
   ========================================================= */
@media (max-width: 900px){
  .feed-split{ grid-template-columns: 1fr; gap:48px; }
  .about-grid{ grid-template-columns: 1fr; gap:28px; }
  .card-grid, .card-grid.cols4{ grid-template-columns: repeat(2,1fr); }
  .work-grid{ grid-template-columns: 1fr 1fr; }
  .footer-top{ grid-template-columns: 1fr 1fr; }
  .footer-brand{ grid-column: 1 / -1; }
}
@media (max-width: 640px){
  .wrap{ padding: 0 20px; }
  .nav{ gap: 18px; }
  .nav a.navlink{ font-size:13px; }
  section.block{ padding: 64px 0; }
  .hero .wrap{ padding: 80px 20px 88px; }
  .biz-grid{ grid-template-columns: 1fr; }
  .card-grid, .card-grid.cols4{ grid-template-columns: 1fr; }
  .feed-col .card-grid{ grid-template-columns:1fr; }
  .work-grid{ grid-template-columns: 1fr; }
  .footer-top{ grid-template-columns: 1fr; }
  .nav .navlink.hide-sp{ display:none; }
  /* モバイル：理念の手動改行を解除して自然に折り返す */
  .philosophy .statement br{ display:none; }
  /* モバイル：ロゴをしっかり見せる（ヘッダーを2段組みに） */
  .site-header .wrap{ flex-direction: column; align-items: center; height: auto; gap: 12px; padding: 14px 20px; }
  .brand img{ height: 42px; }
  .nav{ gap: 20px; }
}