@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho:wght@500;700;800&family=Zen+Kaku+Gothic+New:wght@400;500;700;900&family=JetBrains+Mono:wght@400;500;700&display=swap');

/* ==========================================================================
   SPR-OUT TEASER SITE — white / clean edition
   Concept: 清廉さのある公式サイト。生成りの白地に、緑と紫のアクセントのみで
   構成する。資料館（archive/）と同じ紙質のトーンで、ティザーと資料館の
   世界観に一体感を持たせる。
   ========================================================================== */
:root{
  --bg:        #faf9f4;
  --bg-raised: #ffffff;
  --bg-panel:  #ffffff;
  --bg-alt:    #f2f0e8;
  --line:      #e1ddcd;
  --line-soft: #ebe8db;
  --text-0:    #1c1f18;
  --text-1:    #454b3d;
  --text-2:    #767e6a;
  --text-3:    #9aa08c;

  --bio:       #2f7d52;
  --bio-dim:   #7fae93;
  --bloom:     #6a4f92;
  --bloom-dim: #a996c4;
  --warn:      #93532a;

  --serif: 'Shippori Mincho', 'Noto Serif JP', serif;
  --sans:  'Zen Kaku Gothic New', 'Hiragino Sans', sans-serif;
  --mono:  'JetBrains Mono', ui-monospace, monospace;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0; background:var(--bg); color:var(--text-0);
  font-family:var(--sans); font-size:15.5px; line-height:1.9;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
h1,h2,h3{ font-family:var(--serif); font-weight:700; margin:0; color:var(--text-0); }
p{ color:var(--text-1); margin:0 0 1em; }
a{ color:var(--bio); text-decoration:none; }
img{ max-width:100%; display:block; }
::selection{ background:rgba(47,125,82,.16); }

.wrap{ max-width:1180px; margin:0 auto; padding:0 32px; }
@media (max-width:720px){ .wrap{ padding:0 20px; } }

/* ---------- header ---------- */
.t-header{
  position:fixed; top:0; left:0; right:0; z-index:100;
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 32px; transition:background .3s ease, border-color .3s ease, padding .3s ease, box-shadow .3s ease;
  border-bottom:1px solid transparent;
}
.t-header.is-scrolled{ background:rgba(250,249,244,.92); backdrop-filter:blur(8px); border-color:var(--line); padding:12px 32px; box-shadow:0 1px 2px rgba(28,31,24,.04); }
.t-logo{ font-family:var(--serif); font-weight:800; font-size:22px; letter-spacing:.06em; color:var(--text-0); }
.t-logo span{ color:var(--bio); }
.t-nav{ display:flex; align-items:center; gap:30px; }
.t-nav a{ font-family:var(--mono); font-size:12.5px; letter-spacing:.1em; color:var(--text-1); }
.t-nav a:hover{ color:var(--bio); }
.t-nav .t-nav__cta{ border:1px solid var(--bio-dim); padding:7px 14px; border-radius:2px; color:var(--bio); }
.t-nav .t-nav__cta:hover{ background:rgba(47,125,82,.06); }
.t-menu-toggle{ display:none; background:none; border:1px solid var(--line); color:var(--text-1); font-family:var(--mono); font-size:12px; padding:7px 10px; border-radius:2px; }
@media (max-width:820px){
  .t-nav{ position:fixed; top:0; right:-100%; height:100vh; width:78%; max-width:320px;
    background:rgba(255,255,255,.99); flex-direction:column; align-items:flex-start; justify-content:center;
    gap:26px; padding:40px; transition:right .3s ease; border-left:1px solid var(--line); box-shadow:-8px 0 24px rgba(28,31,24,.06); }
  .t-nav.is-open{ right:0; }
  .t-menu-toggle{ display:inline-flex; }
}

/* ---------- hero ---------- */
.t-hero{
  position:relative; padding:168px 0 90px;
  background:
    radial-gradient(ellipse at 12% 0%, rgba(47,125,82,.05), transparent 45%),
    radial-gradient(ellipse at 100% 10%, rgba(106,79,146,.045), transparent 40%),
    var(--bg);
  border-bottom:1px solid var(--line);
}
.t-hero__grid{ display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center; }
@media (max-width:940px){ .t-hero__grid{ grid-template-columns:1fr; } }
.t-hero__badge{ display:inline-flex; align-items:center; gap:8px; font-family:var(--mono); font-size:11px; letter-spacing:.18em;
  color:var(--bloom); border:1px solid var(--bloom-dim); padding:6px 12px; border-radius:2px; margin-bottom:24px; }
.t-hero__badge::before{ content:''; width:6px; height:6px; border-radius:50%; background:var(--bloom); }
.t-hero h1{ font-size:clamp(46px,7vw,84px); line-height:1.04; letter-spacing:.01em; color:var(--text-0); }
.t-hero__tagline{ font-family:var(--serif); font-size:clamp(15px,1.6vw,18px); color:var(--text-1); margin-top:20px; max-width:480px; min-height:1.6em; }
.t-hero__tagline--blank{ display:flex; align-items:center; }
.t-hero__meta{ display:flex; flex-wrap:wrap; gap:12px 26px; margin-top:32px; font-family:var(--mono); font-size:11.5px; color:var(--text-2); letter-spacing:.04em; }
.t-hero__meta b{ color:var(--text-0); font-weight:600; }
.t-cta-row{ display:flex; flex-wrap:wrap; gap:14px; margin-top:36px; }
.t-btn{ font-family:var(--sans); font-weight:700; font-size:13.5px; padding:14px 26px; border-radius:2px; letter-spacing:.02em; display:inline-flex; align-items:center; gap:8px; }
.t-btn--primary{ background:var(--bio); color:#fbf9f2; }
.t-btn--primary:hover{ background:#256944; }
.t-btn--ghost{ border:1px solid var(--line); color:var(--text-1); background:#fff; }
.t-btn--ghost:hover{ border-color:var(--bio-dim); color:var(--bio); }
.t-btn--disabled{ border:1px solid var(--line-soft); color:var(--text-3); cursor:not-allowed; background:var(--bg-alt); }

.t-hero__visual{ position:relative; }
.t-hero__frame{ border:1px solid var(--line); background:#fff; padding:10px; box-shadow:0 10px 30px rgba(28,31,24,.08); }
.t-hero__frame img{ width:100%; aspect-ratio:16/10; object-fit:cover; }
.t-hero__frame figcaption{ display:flex; justify-content:space-between; align-items:center; font-family:var(--mono); font-size:10px; color:var(--text-3); letter-spacing:.05em; padding:10px 4px 2px; }

/* ---------- generic section ---------- */
.t-section{ padding:110px 0; position:relative; }
.t-section--alt{ background:var(--bg-alt); }
.t-eyebrow{ font-family:var(--mono); font-size:12px; letter-spacing:.24em; color:var(--bloom); margin-bottom:16px; }
.t-section h2{ font-size:clamp(28px,3.6vw,42px); margin-bottom:22px; }
.t-section__lede{ max-width:620px; font-size:16px; color:var(--text-1); }
.t-section__foot{ margin-top:44px; }

/* reveal-on-scroll */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .8s ease, transform .8s ease; }
.reveal.is-visible{ opacity:1; transform:translateY(0); }
@media (prefers-reduced-motion:reduce){ .reveal{ opacity:1; transform:none; transition:none; } }

/* ---------- story ---------- */
.t-story{ display:grid; grid-template-columns:1.1fr .9fr; gap:60px; align-items:center; }
.t-story__quote{ font-family:var(--serif); font-size:19px; color:var(--text-0); border-left:2px solid var(--bloom); padding-left:18px; margin:26px 0; }
.t-story__img{ position:relative; border:1px solid var(--line); background:#fff; padding:8px; box-shadow:0 6px 18px rgba(28,31,24,.06); }
.t-story__img img{ width:100%; }
@media (max-width:900px){ .t-story{ grid-template-columns:1fr; } }

/* ---------- characters ---------- */
.t-char-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; margin-top:50px; }
.t-char-card{ position:relative; border:1px solid var(--line); overflow:hidden; background:var(--bg-panel); box-shadow:0 1px 3px rgba(28,31,24,.05); }
.t-char-card img{ width:100%; aspect-ratio:3/4; object-fit:cover; transition:transform .6s ease; }
.t-char-card:hover img{ transform:scale(1.04); }
.t-char-card__body{ padding:18px 20px 22px; }
.t-char-card__tag{ font-family:var(--mono); font-size:10.5px; letter-spacing:.08em; color:var(--bloom); margin-bottom:6px; }
.t-char-card__name{ font-size:20px; margin-bottom:8px; }
.t-char-card__copy{ font-size:13px; color:var(--text-2); margin:0; }
@media (max-width:900px){ .t-char-grid{ grid-template-columns:1fr; } }

/* ---------- world ---------- */
.t-world__banner{ border:1px solid var(--line); margin-top:40px; background:#fff; padding:8px; box-shadow:0 6px 18px rgba(28,31,24,.06); }
.t-world__grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-top:34px; }
.t-world__nation{ border:1px solid var(--line); padding:16px 16px 18px; background:var(--bg-panel); }
.t-world__nation h3{ font-size:14px; margin-bottom:6px; }
.t-world__nation p{ font-size:12px; color:var(--text-2); margin:0; }
@media (max-width:900px){ .t-world__grid{ grid-template-columns:repeat(2,1fr); } }

/* ---------- gallery ---------- */
.t-gallery{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; margin-top:44px; }
.t-gallery a{ display:block; border:1px solid var(--line); overflow:hidden; background:#fff; box-shadow:0 1px 3px rgba(28,31,24,.05); }
.t-gallery img{ width:100%; aspect-ratio:16/9; object-fit:cover; transition:transform .5s ease, filter .5s ease; }
.t-gallery a:hover img{ transform:scale(1.05); }
@media (max-width:900px){ .t-gallery{ grid-template-columns:1fr; } }

/* ---------- news ---------- */
.t-news{ margin-top:40px; border-top:1px solid var(--line); }
.t-news__item{ display:grid; grid-template-columns:150px 1fr; gap:24px; padding:22px 0; border-bottom:1px solid var(--line); }
.t-news__date{ font-family:var(--mono); font-size:12px; color:var(--text-3); }
.t-news__tag{ display:inline-block; font-family:var(--mono); font-size:10px; letter-spacing:.06em; color:var(--bio); border:1px solid var(--bio-dim); padding:2px 8px; border-radius:2px; margin-bottom:8px; }
.t-news__title{ font-size:15.5px; color:var(--text-0); margin:0; }
@media (max-width:640px){ .t-news__item{ grid-template-columns:1fr; gap:6px; } }

/* ---------- follow ---------- */
.t-follow__row{ display:flex; flex-wrap:wrap; gap:14px; margin-top:36px; }
.t-follow__item{ display:flex; align-items:center; gap:10px; border:1px solid var(--line); padding:12px 18px; border-radius:2px; color:var(--text-2); font-family:var(--mono); font-size:12.5px; background:#fff; }
.t-follow__item svg{ width:16px; height:16px; }
.t-follow__soon{ font-size:10px; color:var(--text-3); margin-left:6px; }

/* ---------- footer ---------- */
.t-footer{ border-top:1px solid var(--line); padding:44px 0; background:var(--bg-alt); }
.t-footer__row{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:14px; align-items:center; }
.t-footer__brand{ font-family:var(--serif); font-weight:700; font-size:16px; }
.t-footer__links{ display:flex; gap:22px; font-family:var(--mono); font-size:11.5px; color:var(--text-2); }
.t-footer__note{ font-family:var(--mono); font-size:10px; color:var(--text-3); margin-top:20px; line-height:1.8; }

/* ---------- placeholder ribbon (shown on every dummy asset) ---------- */
.ph-note{ display:inline-flex; align-items:center; gap:6px; font-family:var(--mono); font-size:10px; letter-spacing:.05em; color:var(--warn); border:1px dashed var(--warn); padding:3px 8px; border-radius:2px; }