:root{
  --bg:#F7F5F0; --ink:#2B2926; --soft:#6B665F;
  --green:#6B8F5E; --green-deep:#527345; --green-lite:#EAEEE5;
  --cream:#FDFBF7; --sand:#F3EEE3;
  --r:26px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
::selection{background:var(--green-lite);color:var(--green-deep)}
body{background:var(--bg);color:var(--ink);font-family:"Noto Sans JP",sans-serif;font-weight:300;line-height:2;font-size:15px}
.en{font-family:"Inter",sans-serif}
.wrap{max-width:1080px;margin:0 auto;padding:0 28px}
img{max-width:100%}

/* ========== オープニング ========== */
#intro{
  position:fixed;inset:0;z-index:100;background:var(--bg);cursor:pointer;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:26px;
  transition:opacity .85s ease;
  /* 自動終了はCSSが担当（JSが動かない環境でも必ず本文に到達できる） */
  animation:introOut .85s ease 3.1s forwards;
}
@keyframes introOut{to{opacity:0;visibility:hidden;pointer-events:none}}
/* クリックで即スキップした場合はアニメーションを止めてtransitionでフェード */
#intro.done{animation:none;opacity:0;pointer-events:none;visibility:hidden}
#intro svg{width:110px;height:110px;transform-origin:50% 60%;opacity:0;animation:poof .85s cubic-bezier(.22,1,.36,1) forwards;animation-delay:.25s}
@keyframes poof{0%{opacity:0;transform:scale(.7)}60%{opacity:1;transform:scale(1.05)}100%{opacity:1;transform:scale(1)}}
#intro .word{text-align:center}
#intro .copy{
  font-size:clamp(12px,2vw,14px);color:var(--soft);letter-spacing:.3em;
  margin:0 0 12px;opacity:0;transform:translateY(12px);
  animation:rise .8s ease forwards;animation-delay:1.25s;
}
#intro .name{
  font-size:clamp(24px,4.6vw,36px);font-weight:400;letter-spacing:.14em;margin:0;
  opacity:0;transform:translateY(14px);
  animation:rise .8s ease forwards;animation-delay:1.5s;
}
#intro .name em{font-style:normal;color:var(--green)}
@keyframes rise{to{opacity:1;transform:none}}
@keyframes fadein{to{opacity:1}}
#intro .skip{
  position:absolute;bottom:26px;font-size:11px;color:var(--soft);letter-spacing:.24em;
  opacity:0;animation:fadein .8s ease forwards;animation-delay:1.95s;
}

/* ========== ヘッダー ========== */
header{position:sticky;top:0;z-index:20;background:rgba(247,245,240,.88);backdrop-filter:blur(10px);transition:box-shadow .3s}
header.scrolled{box-shadow:0 1px 0 rgba(43,41,38,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 28px;max-width:1080px;margin:0 auto}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.brand svg{width:38px;height:38px}
.brand .t{font-size:14.5px;font-weight:500;letter-spacing:.1em}
.nav a.contact{color:var(--green-deep);text-decoration:none;font-size:12px;letter-spacing:.16em;border:1px solid var(--green);border-radius:999px;padding:9px 24px;transition:.25s}
.nav a.contact:hover{background:var(--green-deep);color:#fff}

/* ========== ヒーロー ========== */
.hero{padding:72px 0 56px}
.hero .row{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;flex-wrap:wrap}
.hero h1{font-family:"Klee One",cursive;font-weight:600;font-size:clamp(36px,5.6vw,62px);letter-spacing:.05em;line-height:1.6}
.hero h1 .buddy{color:var(--green)}
.hero .sub{margin-top:26px;max-width:560px;color:var(--soft);font-size:14px;line-height:2.3}
.hero .mascot{width:130px;height:130px;flex:0 0 auto;margin:0 24px 6px 0}
.hero .mascot svg{width:100%;height:100%}

/* ========== ベントー ========== */
.bento{display:flex;gap:18px;align-items:flex-start}
.bcol{display:flex;flex-direction:column;gap:18px;min-width:0}
.bcol-l{flex:7}
.bcol-r{flex:5}
.bento-wide{display:flex;flex-direction:column;gap:18px;margin-top:18px;padding-bottom:56px}
.cell{border-radius:var(--r);padding:34px 32px;background:var(--cream);box-shadow:0 1px 2px rgba(43,41,38,.04);position:relative;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;transition:.25s}
a.cell:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(43,41,38,.08)}
.cell .label{font-size:10.5px;letter-spacing:.28em;color:var(--green-deep);margin-bottom:16px;display:flex;align-items:center;gap:10px}
.cell .label::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green)}
.cell h3{font-weight:400;font-size:19px;letter-spacing:.06em;line-height:1.7}
.cell p{color:var(--soft);font-size:13px;margin-top:12px;line-height:2.1}
.cell .arrow{position:absolute;top:28px;right:28px;width:36px;height:36px;border:1px solid var(--green);border-radius:50%;display:grid;place-items:center;font-size:14px;color:var(--green-deep);transition:.25s}
a.cell:hover .arrow{background:var(--green-deep);border-color:var(--green-deep);color:#fff}
a.cell:hover h3{color:var(--green-deep)}
.c-profile{flex-direction:row;gap:30px;align-items:center}
.c-profile img{width:170px;height:170px;object-fit:cover;border-radius:50%;border:3px solid var(--green-lite);box-shadow:0 0 0 1px var(--green)}
.c-profile .txt h3{font-size:21px}
.c-profile .txt h3 .role{font-size:12px;color:var(--soft);margin-left:8px}
.c-profile .titles{color:var(--soft);font-size:11.5px;line-height:2;margin-top:10px;letter-spacing:.04em}
.c-profile .msg{font-size:13px;color:var(--soft);margin-top:14px;line-height:2.1}
.c-seminar{background:var(--green-lite);flex-direction:row;gap:44px;align-items:center}
.c-seminar .info{flex:1;display:flex;flex-direction:column;align-items:flex-start}
.c-seminar .date{font-family:"Noto Serif JP",serif;font-size:30px;color:var(--green-deep);letter-spacing:.06em;line-height:1.3}
.c-seminar .date small{display:block;font-family:"Inter",sans-serif;font-size:11px;color:var(--soft);letter-spacing:.28em;margin-top:6px}
.c-seminar h3{margin-top:18px}
.c-seminar .seminar-foot{display:flex;align-items:center;gap:16px;margin-top:18px;flex-wrap:wrap}
.c-seminar .badge{display:inline-flex;align-items:center;font-size:13px;line-height:1.5;letter-spacing:.06em;color:var(--soft);background:none;border:1px solid rgba(43,41,38,.18);border-radius:999px;padding:10px 24px}
.cell.c-seminar .cta{margin-top:0;align-self:auto;background:var(--cream)}
.cell.c-seminar .cta:hover{background:var(--green-deep);color:#fff}
.c-seminar .flyer{width:300px;max-width:100%;flex:0 0 auto;padding:0;border:0;background:none;cursor:zoom-in;position:relative;display:block;border-radius:14px;transition:.25s}
.c-seminar .flyer:hover{transform:translateY(-3px)}
.c-seminar .flyer img{width:100%;height:auto;display:block;border-radius:14px;box-shadow:0 8px 22px rgba(43,41,38,.12)}
.c-seminar .flyer .zoom{position:absolute;right:10px;bottom:10px;background:rgba(43,41,38,.72);color:#fff;font-size:11px;letter-spacing:.1em;border-radius:999px;padding:5px 14px;pointer-events:none}
/* ライトボックス */
#lightbox{position:fixed;inset:0;z-index:200;background:rgba(43,41,38,.82);display:none;align-items:center;justify-content:center;padding:24px;cursor:zoom-out}
#lightbox.open{display:flex}
#lightbox img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;border-radius:10px;box-shadow:0 20px 50px rgba(0,0,0,.35)}
#lightbox .close{position:absolute;top:18px;right:20px;width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.6);background:none;color:#fff;font-size:20px;line-height:1;cursor:pointer;transition:.2s}
#lightbox .close:hover{background:rgba(255,255,255,.15)}
.c-phil{background:var(--sand);flex-direction:row;gap:26px;align-items:center}
.c-phil .sprout{width:74px;flex:0 0 auto}
.c-phil p.q{font-family:"Noto Serif JP",serif;font-size:17px;line-height:2.2;letter-spacing:.05em;margin:0}
.c-phil p.q em{font-style:normal;color:var(--green-deep)}
.c-phil .in .label{margin-bottom:12px}
.c-lesson{border-bottom:4px solid var(--green-lite)}
.cell .svc-ic{width:52px;height:52px;margin:2px 0 10px}
.cell .svc-ic svg{width:100%;height:100%}
.cell .cta{align-self:flex-start;margin-top:20px;font-size:13px;line-height:1.5;letter-spacing:.06em;color:var(--green-deep);border:1px solid var(--green);border-radius:999px;padding:10px 24px;transition:.25s;text-decoration:none;display:inline-flex;align-items:center}
a.cell:hover .cta{background:var(--green-deep);color:#fff}
.c-aibou{border-bottom:4px solid var(--green-lite)}
.c-aibou .soon{align-self:flex-start;margin-top:22px;font-size:10.5px;letter-spacing:.24em;color:#fff;background:var(--green-deep);border-radius:999px;padding:5px 16px}
.c-contact{justify-content:center}
.c-contact .rows{display:flex;gap:14px 36px;flex-wrap:wrap;margin-top:4px}
.c-contact a.item{display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--ink);transition:.2s}
.c-contact a.item:hover{color:var(--green-deep)}
.c-contact .ic{width:42px;height:42px;border-radius:13px;background:var(--green-deep);color:#fff;display:grid;place-items:center;flex:0 0 auto}
.c-contact .ic svg{width:22px;height:22px}
.c-contact .item b{display:block;font-weight:500;font-size:13.5px;letter-spacing:.04em;line-height:1.6}
.c-contact .item span{font-size:11.5px;color:var(--soft);letter-spacing:.04em}
@media(max-width:860px){
  .bento{flex-direction:column}
  .c-profile{flex-direction:column;text-align:center}
  .c-profile .label{justify-content:center}
  .c-seminar{flex-direction:column;align-items:flex-start}
  .c-seminar .flyer{width:100%}
  .hero .mascot{display:none}
}
@media(max-width:560px){
  body{overflow-x:hidden}
  .wrap{padding:0 20px}
  .nav{padding:14px 20px;gap:10px}
  .brand .t{font-size:13px;letter-spacing:.06em}
  .brand svg{width:32px;height:32px}
  .nav a.contact{padding:8px 16px;font-size:11px;letter-spacing:.1em}
  .hero{padding:32px 0 24px}
  .hero h1{font-size:min(28px,calc(8vw - 3px));letter-spacing:.01em;white-space:nowrap}
  .cell{padding:28px 24px}
  .c-phil{flex-direction:column;align-items:flex-start;gap:18px}
  .c-phil p.q{font-size:15.5px}
}

/* ========== フッター ========== */
footer{border-top:1px solid var(--green-lite);background:linear-gradient(var(--bg),var(--green-lite));padding:52px 0 44px;text-align:center}
footer .fmascot{width:56px;height:56px;margin:0 auto 14px}
footer .fbrand{font-size:15px;font-weight:500;letter-spacing:.14em;margin-bottom:4px}
footer .fcatch{font-size:11.5px;color:var(--green-deep);letter-spacing:.2em;margin-bottom:22px}
footer .links a{color:var(--soft);text-decoration:none;margin:0 14px;font-size:13px;border-bottom:1px solid rgba(43,41,38,.15);transition:.2s}
footer .links a:hover{color:var(--green-deep);border-color:var(--green)}
footer .copy{font-size:11px;color:#6F6A62;margin-top:26px;letter-spacing:.08em}

/* ========== スクロール表示 ========== */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s ease,transform .8s ease}
.reveal.on{opacity:1;transform:none}

@media (prefers-reduced-motion: reduce){
  #intro{animation:none;opacity:0;visibility:hidden;pointer-events:none;transition:none}
  #intro svg,#intro .copy,#intro .name,#intro .skip{animation:none;opacity:1;transform:none}
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ========== 404ページ ========== */
.notfound{
  min-height:100svh;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:40px 24px;
}
.notfound .robo{width:120px;height:120px;margin-bottom:8px}
.notfound .code{font-family:"Inter",sans-serif;font-weight:500;font-size:15px;letter-spacing:.34em;color:var(--green-deep);margin:0 0 6px}
.notfound h1{font-family:"Klee One",cursive;font-weight:600;font-size:clamp(24px,5vw,34px);letter-spacing:.06em;margin:0 0 14px}
.notfound .lead{color:var(--soft);font-size:14px;line-height:2.2;margin:0 0 30px}
.notfound .cta{
  display:inline-block;font-size:13.5px;letter-spacing:.06em;color:var(--green-deep);
  border:1px solid var(--green);border-radius:999px;padding:12px 32px;
  text-decoration:none;transition:.25s;
}
.notfound .cta:hover{background:var(--green-deep);border-color:var(--green-deep);color:#fff}
.notfound .home{margin-top:44px;font-size:12px;color:var(--soft);letter-spacing:.08em}
@media(max-width:560px){
  .notfound .lead br{display:none}
}