/* Special Seminar 2609 参加特典サイト 共通スタイル
   世界観: 明るいオフホワイト × 白パネル × すりガラスの縦カード（コラボ用に新規設計 2026-09-15）
   ロゴ・現在地アクセント = まとアイコンのピンク系グラデーション */

/* ---- フォント: セザンヌ（FontWorks・ローカルにある環境だけ適用）→ 無ければ Zen Kaku Gothic New ---- */
@font-face{font-family:"CezanneLocal";font-weight:400;font-display:swap;
  src:local("FOT-Cezanne ProN M"),local("CezanneProN-M"),local("FOT-Cezanne Pro M"),local("CezannePro-M")}
@font-face{font-family:"CezanneLocal";font-weight:700;font-display:swap;
  src:local("FOT-Cezanne ProN B"),local("CezanneProN-B"),local("FOT-Cezanne Pro B"),local("CezannePro-B")}

:root{
  --bg:#F3F3F1;
  --panel:#FFFFFF;
  --ink:#2D2D2D;
  --ink-soft:#6E6E73;
  --hairline:rgba(0,0,0,.07);
  --surface:rgba(255,255,255,.72);
  --brand-grad:linear-gradient(135deg,#FFB35C 0%,#FF7A9E 100%);
  --brand-pink:#FF7A9E;
  --brand-orange:#FFB35C;
  --btn:#1E1E1E;
  --shadow-soft:0 1px 2px rgba(0,0,0,.04),0 8px 24px rgba(0,0,0,.08);
  --shadow-lift:0 2px 4px rgba(0,0,0,.05),0 22px 44px rgba(0,0,0,.14);
  --radius-card:26px;
  --font:"Lato","CezanneLocal","Zen Kaku Gothic New","Hiragino Sans","Hiragino Kaku Gothic ProN",sans-serif;
  /* 特典カード7色（すりガラスの中に滲むグラデーション） */
  --c1:linear-gradient(160deg,#FFC2E0 0%,#FF66B5 100%);
  --c2:linear-gradient(160deg,#D2C4FF 0%,#6FA6FF 100%);
  --c3:linear-gradient(160deg,#BDF773 0%,#F3EF6C 100%);
  --c4:linear-gradient(160deg,#8CF3E8 0%,#3AD9A9 100%);
  --c5:linear-gradient(160deg,#F5F6F8 0%,#D9DCE2 100%);
  --c6:linear-gradient(160deg,#EEF97A 0%,#6EE873 100%);
  --c7:linear-gradient(160deg,#B4DCFF 0%,#9DF2DC 100%);
  --g1:linear-gradient(135deg,#FFD3E6,#FF9ACB);
  --g2:linear-gradient(135deg,#E3DAFF,#A9C6FF);
  --g3:linear-gradient(135deg,#D9FFB0,#F8F4A8);
  --g4:linear-gradient(135deg,#C4FBF4,#8FE9CC);
  --g5:linear-gradient(135deg,#FFFFFF,#E4E6EA);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  background-image:
    radial-gradient(900px 600px at 12% -10%,rgba(255,179,92,.10),transparent 60%),
    radial-gradient(900px 600px at 92% 10%,rgba(255,122,158,.10),transparent 60%);
  line-height:1.7;
  min-height:100vh;
  padding-inline:16px;
  padding-block:0 48px;
  overflow-x:hidden;
}
a{color:inherit}
img{max-width:100%;display:block}
::selection{background:rgba(255,122,158,.25)}
:focus-visible{outline:2px solid var(--brand-pink);outline-offset:3px;border-radius:6px}

/* ---- ヘッダー（sticky・ガラス） ---- */
.header{
  position:sticky;top:0;z-index:50;
  margin:12px auto 0;
  max-width:1280px;
  background:var(--surface);
  backdrop-filter:blur(18px) saturate(1.4);
  -webkit-backdrop-filter:blur(18px) saturate(1.4);
  border:1px solid rgba(255,255,255,.7);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.8),var(--shadow-soft);
  border-radius:20px;
  padding:12px 20px;
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;white-space:nowrap}
.brand .mark{width:34px;height:34px;flex:0 0 auto}
.brand .word{font-weight:400;font-size:17px;letter-spacing:.01em}
.brand .word small{display:block;font-size:10.5px;letter-spacing:.14em;color:var(--ink-soft);line-height:1.2;margin-top:1px;text-transform:uppercase}
.nav{
  margin-left:auto;
  display:flex;gap:4px;
  overflow-x:auto;scrollbar-width:none;
  max-width:100%;
}
.nav::-webkit-scrollbar{display:none}
.nav a{
  text-decoration:none;font-size:12px;font-weight:400;
  padding:6px 9px;border-radius:9999px;white-space:nowrap;
  color:var(--ink);position:relative;
}
.nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:2px;
  background:var(--brand-grad);opacity:0;transform:scaleX(.4);transition:opacity .25s,transform .25s;
}
.nav a:hover{background:rgba(0,0,0,.04)}
.nav a.on{color:var(--ink)}
.nav a.on::after{opacity:1;transform:scaleX(1)}

/* ---- ヒーロー ---- */
.hero{
  position:relative;
  max-width:1280px;margin:16px auto 0;
  background:var(--panel);
  border-radius:32px;
  box-shadow:var(--shadow-soft);
  padding:56px 32px 44px;
  text-align:center;
  overflow:hidden;
}
.hero .kicker{
  font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-soft);font-weight:400;
}
.hero .title{
  font-family:"Lato",sans-serif;
  font-weight:300;
  font-size:clamp(58px,11.5vw,176px);
  line-height:.95;
  letter-spacing:-.02em;
  margin-top:12px;
  margin-bottom:-.26em;
  color:var(--ink);
  user-select:none;
}
.hero .lead{max-width:640px;margin:20px auto 0;color:var(--ink-soft);font-size:14.5px}

/* カード列 */
.cards{
  position:relative;z-index:1;
  margin:0 auto;   /* 重なりは .title の負のmargin-bottomで作る */
  display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:16px;
  max-width:1180px;
  padding:0 4px;
}
.slot{animation:float 7s ease-in-out infinite;animation-delay:var(--d,0s)}
.slot:hover{animation-play-state:paused}
.card{
  display:flex;flex-direction:column;
  text-decoration:none;color:var(--ink);
  background:var(--panel);
  border-radius:var(--radius-card);
  border:1px solid rgba(255,255,255,.9);
  box-shadow:var(--shadow-soft);
  overflow:hidden;
  min-height:262px;height:100%;
  transition:transform .38s cubic-bezier(.2,.8,.2,1),box-shadow .38s;
  will-change:transform;
}
.card:hover,.card:focus-visible{transform:translateY(-12px);box-shadow:var(--shadow-lift)}
.card .glass{
  position:relative;flex:1 1 auto;min-height:168px;
  background:var(--c,var(--c1));
}
.card .glass::before{ /* すりガラスの光 */
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(120% 80% at 20% 0%,rgba(255,255,255,.55),transparent 55%),
    radial-gradient(80% 60% at 90% 100%,rgba(255,255,255,.28),transparent 60%);
  mix-blend-mode:screen;
}
.card .glass::after{ /* 内側の縁の厚み */
  content:"";position:absolute;inset:0;border-radius:inherit;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.7),inset 0 -1px 0 rgba(0,0,0,.04);
}
.card .num{
  position:absolute;left:16px;top:12px;
  font-family:"Lato",sans-serif;font-weight:300;font-size:22px;letter-spacing:.02em;
  color:rgba(255,255,255,.95);text-shadow:0 1px 2px rgba(0,0,0,.08);z-index:1;
}
.card.light .num{color:rgba(45,45,45,.75);text-shadow:none}
.card.light .chip{background:rgba(255,255,255,.95);box-shadow:inset 0 1px 0 #fff,0 1px 3px rgba(0,0,0,.14)}
.benefit .mini.light span{color:rgba(45,45,45,.75)}
.card .chip{
  position:absolute;right:14px;top:14px;width:16px;height:16px;border-radius:5px;
  background:rgba(255,255,255,.7);box-shadow:inset 0 1px 0 #fff,0 1px 2px rgba(0,0,0,.08);z-index:1;
}
.card .glass .icon{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:64px;height:64px;border-radius:18px;overflow:hidden;
  box-shadow:0 8px 20px rgba(0,0,0,.14);background:#fff;z-index:1;
}
.card .glass .icon img{width:100%;height:100%;object-fit:cover}
.card .glass .icon.text{display:flex;align-items:center;justify-content:center;font-family:"Lato",sans-serif;font-weight:300;font-size:20px;letter-spacing:.06em;color:var(--ink)}
.card .name{
  background:var(--panel);
  padding:12px 12px 13px;
  min-height:108px;
  display:flex;flex-direction:column;justify-content:center;
  text-align:center;
}
.card .name b{display:block;font-weight:700;font-size:14px;line-height:1.45;letter-spacing:.01em}
.card .name b span{display:inline-block} /* 分節単位で折り返す（語の途中で切らない） */
.card .name small{display:block;margin-top:5px;font-family:"Lato",sans-serif;font-size:9.5px;letter-spacing:.24em;color:var(--ink-soft);text-transform:uppercase}

@keyframes float{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-6px)}
}

.hero .cta{margin-top:36px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 30px;border-radius:9999px;
  background:var(--btn);color:#fff;text-decoration:none;
  font-size:14.5px;font-weight:400;letter-spacing:.04em;border:0;cursor:pointer;
  font-family:var(--font);
  box-shadow:inset 0 1.5px 0 rgba(255,255,255,.18),0 8px 20px rgba(0,0,0,.16);
  transition:transform .2s,box-shadow .2s;
}
.btn:hover{transform:translateY(-1px);box-shadow:inset 0 1.5px 0 rgba(255,255,255,.18),0 12px 26px rgba(0,0,0,.2)}
.btn svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.btn.line{background:#06C755}

/* ---- セクション共通 ---- */
.section{max-width:1280px;margin:0 auto;padding:96px 16px 0;text-align:center}
.section > .kicker{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-soft)}
.section > h2{font-size:clamp(24px,3.2vw,34px);font-weight:700;line-height:1.35;margin-top:10px}
.section > .lead{max-width:600px;margin:16px auto 0;color:var(--ink-soft);font-size:14.5px}
.section .note{font-size:12px;color:var(--ink-soft);margin-top:12px}

/* 特典の詳細（縦積み） */
.list{max-width:760px;margin:0 auto;display:grid;gap:28px}
.benefit{
  scroll-margin-top:110px;
  background:var(--panel);border-radius:28px;box-shadow:var(--shadow-soft);
  padding:40px 32px 36px;text-align:center;
  display:flex;flex-direction:column;align-items:center;
}
.benefit .mini{
  width:58px;height:76px;border-radius:14px;position:relative;overflow:hidden;
  background:var(--c,var(--c1));box-shadow:var(--shadow-soft);
}
.benefit .mini::before{content:"";position:absolute;inset:0;background:radial-gradient(120% 80% at 20% 0%,rgba(255,255,255,.55),transparent 55%);mix-blend-mode:screen}
.benefit .mini span{position:absolute;left:8px;top:5px;font-family:"Lato",sans-serif;font-weight:300;font-size:13px;color:#fff}
.benefit .mini i{position:absolute;left:0;right:0;bottom:0;height:20px;background:#fff}
.benefit .mini img{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:34px;height:34px;border-radius:9px;object-fit:cover;box-shadow:0 4px 10px rgba(0,0,0,.14)}
.benefit h2{font-size:22px;font-weight:700;margin-top:18px;line-height:1.4}
.benefit p{color:var(--ink-soft);font-size:14.5px;margin-top:12px;max-width:560px}
.benefit .tags{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:16px}
.benefit .tags span{font-size:12px;padding:5px 12px;border-radius:9999px;background:rgba(0,0,0,.045);color:var(--ink)}
.benefit .btn{margin-top:26px}
.benefit .caution{font-size:12px;color:var(--ink-soft);margin-top:14px;max-width:560px}

/* メルマガ（独立セクション・インライン登録フォーム） */
.mailmag{max-width:1280px;margin:120px auto 0;padding:0 16px}
.mailmag .box{
  background:var(--panel);border-radius:32px;box-shadow:var(--shadow-soft);
  padding:64px 32px;text-align:center;position:relative;overflow:hidden;
}
.mailmag .box::before{content:"";position:absolute;inset:auto -20% -60% -20%;height:70%;background:radial-gradient(50% 60% at 50% 100%,rgba(255,122,158,.16),transparent 70%);pointer-events:none}
.mailmag .kicker{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-soft)}
.mailmag h2{font-size:clamp(26px,3.6vw,38px);font-weight:700;line-height:1.35;margin-top:12px}
.mailmag .sub{color:var(--ink-soft);font-size:14.5px;margin-top:14px}
.mailmag form{
  position:relative;
  display:flex;gap:10px;max-width:520px;margin:32px auto 0;
  background:#fff;border:1px solid var(--hairline);border-radius:9999px;padding:6px 6px 6px 20px;
  box-shadow:var(--shadow-soft);
}
.mailmag input[type=email]{
  flex:1 1 auto;min-width:0;border:0;outline:0;background:transparent;
  font-family:var(--font);font-size:15px;color:var(--ink);
}
.mailmag input[type=email]::placeholder{color:#9a9aa0}
.mailmag button{flex:0 0 auto;min-height:44px;padding:0 24px}
.mailmag .fine{font-size:12px;color:var(--ink-soft);margin-top:14px}

/* LINE（メルマガとは離した別セクション） */
.linebox{max-width:1280px;margin:64px auto 0;padding:0 16px;text-align:center}
.linebox .inner{background:var(--panel);border-radius:28px;box-shadow:var(--shadow-soft);padding:44px 32px}
.linebox h2{font-size:22px;font-weight:700;line-height:1.4}
.linebox p{color:var(--ink-soft);font-size:14.5px;margin-top:10px}
.linebox .btn{margin-top:22px}

/* フッター */
.footer{max-width:1280px;margin:72px auto 0;padding:0 24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:var(--ink-soft)}
.footer a{text-decoration:none}

/* ---- レスポンシブ ---- */
@media (max-width:1100px){
  /* 折り返しグリッド: 4列→3列→2列。最終行は中央寄せ */
  .cards,.cards.five{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;max-width:820px;margin-top:0}
  .slot{flex:0 0 calc((100% - 42px) / 4)}
  .cards.five .slot{flex-basis:calc((100% - 28px) / 3)}
  .cards.five{max-width:640px}
  .hero .title{margin-bottom:-.18em}
}
@media (max-width:700px){
  .cards,.cards.five{gap:10px}
  .slot,.cards.five .slot{flex-basis:calc((100% - 20px) / 3)}
  .card{min-height:0;border-radius:20px}
  .card .glass{min-height:118px}
  .card .num{font-size:17px;left:12px;top:9px}
  .card .chip{width:13px;height:13px;right:11px;top:11px}
  .card .name{min-height:96px;padding:10px 8px 11px}
  .card .name b{font-size:12.5px;line-height:1.4}
  .card .name small{font-size:8.5px;margin-top:4px}
  .card .glass .icon{width:48px;height:48px;border-radius:14px}
}
@media (max-width:480px){
  .slot,.cards.five .slot{flex-basis:calc((100% - 10px) / 2)}
  .card .name b{font-size:13px}
}
@media (max-width:760px){
  body{padding-inline:12px}
  .header{padding:10px 14px;gap:8px;border-radius:18px}
  .brand .word{font-size:15px}
  .nav{margin-left:0;flex-basis:100%}
  .hero{padding:40px 20px 36px;border-radius:26px;margin-top:12px}
  .hero .title{font-size:clamp(52px,17vw,110px)}
  .section{padding-top:72px}
  .benefit{padding:32px 20px 28px;border-radius:22px}
  .mailmag{margin-top:88px}
  .mailmag .box{padding:48px 20px}
  .mailmag h2{font-size:24px}
  .mailmag h2 br{display:none}
  .benefit{scroll-margin-top:132px}
  .mailmag form{flex-direction:column;border-radius:22px;padding:10px}
  .mailmag input[type=email]{min-height:44px;padding:0 10px}
  .footer{justify-content:center;text-align:center}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .slot{animation:none}
  .card,.btn{transition:none}
}