/* ============================================================
   JL1EHQ Official Website — Version 2.0
   Theme: AI × Amateur Radio × Remote Station × DX
   Design: futuristic / luxury / black / blue-glow / glass
   ============================================================ */
:root {
  --bg: #04060c;
  --bg-2: #070b16;
  --glow: #4dc3ff;
  --glow-2: #2f7cff;
  --cyan: #6fe3ff;
  --text: #dfe8f5;
  --text-dim: #8fa3bf;
  --gold: #d4af6a;
  --glass: rgba(120, 180, 255, 0.06);
  --glass-border: rgba(120, 190, 255, 0.18);
  --radius: 18px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Noto Sans JP", "Hiragino Sans", system-ui, sans-serif;
  line-height: 1.85;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--cyan); text-decoration: none; }

/* ---- language toggle (CSS-driven) ---- */
html.lang-en .ja { display: none !important; }
html.lang-ja .en { display: none !important; }

.display { font-family: "Orbitron", "Noto Sans JP", sans-serif; letter-spacing: .12em; }

/* ============ header ============ */
.hdr {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 26px;
  background: rgba(4, 6, 12, 0.55);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(120, 190, 255, 0.12);
}
.hdr .logo {
  font-family: "Audiowide", "Orbitron", sans-serif;
  font-size: 20px; color: #fff; font-weight: 700;
  text-shadow: 0 0 18px rgba(77, 195, 255, .8);
}
.hdr .logo small { display: block; font-size: 9px; color: var(--glow); letter-spacing: .34em; font-weight: 400; }
.nav { display: flex; gap: 4px; align-items: center; }
.nav a {
  color: var(--text-dim); font-size: 12.5px; letter-spacing: .14em;
  padding: 8px 12px; border-radius: 8px; transition: .25s;
  font-family: "Orbitron", sans-serif;
}
.nav a:hover { color: #fff; background: rgba(77,195,255,.1); text-shadow: 0 0 12px var(--glow); }
.lang-btn {
  margin-left: 10px; cursor: pointer;
  border: 1px solid var(--glass-border); border-radius: 999px;
  background: var(--glass); color: var(--text);
  padding: 7px 16px; font-size: 12.5px; letter-spacing: .05em;
  transition: .25s; backdrop-filter: blur(8px);
}
.lang-btn:hover { border-color: var(--glow); box-shadow: 0 0 16px rgba(77,195,255,.35); }
.burger { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.burger span { display: block; width: 22px; height: 2px; background: var(--cyan); margin: 5px 0; border-radius: 2px; transition: .3s; }

/* ============ hero ============ */
.hero {
  position: relative; min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  text-align: center; padding: 90px 20px 60px; overflow: hidden;
}
#heroCanvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 62%, transparent 30%, var(--bg) 92%);
  pointer-events: none;
}
.hero > .inner { position: relative; z-index: 2; }
.hero .call {
  font-family: "Audiowide", "Orbitron", sans-serif;
  font-size: clamp(56px, 11vw, 128px); font-weight: 800; color: #fff;
  text-shadow: 0 0 14px rgba(77,195,255,.9), 0 0 60px rgba(47,124,255,.55), 0 0 120px rgba(47,124,255,.35);
  animation: pulse-glow 4.5s ease-in-out infinite;
}
@keyframes pulse-glow {
  0%,100% { text-shadow: 0 0 14px rgba(77,195,255,.9), 0 0 60px rgba(47,124,255,.5); }
  50%      { text-shadow: 0 0 22px rgba(111,227,255,1), 0 0 90px rgba(47,124,255,.8), 0 0 160px rgba(47,124,255,.5); }
}
.hero .op-name {
  margin-top: 12px; font-size: clamp(28px, 5.5vw, 54px);
  color: #fff; letter-spacing: .14em; font-weight: 700;
  text-shadow: 0 0 12px rgba(77,195,255,.9), 0 0 40px rgba(47,124,255,.55);
}
.hero .sub {
  margin-top: 14px; font-size: clamp(16px, 3vw, 26px);
  color: var(--text); letter-spacing: .12em; font-weight: 500;
}
.hero .sub .en-line { font-family: "Orbitron", sans-serif; }
.hero .tags { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.hero .tags span {
  border: 1px solid var(--glass-border); background: var(--glass);
  backdrop-filter: blur(10px); border-radius: 999px;
  padding: 7px 18px; font-size: 12px; letter-spacing: .18em; color: var(--cyan);
  font-family: "Orbitron", sans-serif;
}
.hero .cta { margin-top: 44px; display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
.btn {
  display: inline-block; padding: 13px 34px; border-radius: 999px;
  font-size: 14px; letter-spacing: .12em; transition: .3s; cursor: pointer;
  font-family: "Orbitron", "Noto Sans JP", sans-serif;
}
.btn-primary {
  color: #02101c; background: linear-gradient(135deg, var(--cyan), var(--glow-2));
  box-shadow: 0 0 26px rgba(77,195,255,.45); font-weight: 700;
}
.btn-primary:hover { box-shadow: 0 0 46px rgba(77,195,255,.8); transform: translateY(-2px); }
.btn-plain {
  background: #fff; color: #0a1220; font-weight: 700; border-radius: 8px;
  font-family: "Noto Sans JP", sans-serif; letter-spacing: .04em;
}
.btn-plain:hover { background: #e8eef7; transform: translateY(-2px); }
.btn-plain.big { font-size: clamp(17px, 2.4vw, 22px); padding: 20px 56px; }
.btn-ghost { color: var(--cyan); border: 1px solid var(--glass-border); background: var(--glass); backdrop-filter: blur(8px); }
.btn-ghost:hover { border-color: var(--glow); box-shadow: 0 0 22px rgba(77,195,255,.35); transform: translateY(-2px); }
.scroll-hint {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  color: var(--text-dim); font-size: 10px; letter-spacing: .3em; z-index: 2;
  animation: floaty 2.6s ease-in-out infinite;
}
@keyframes floaty { 0%,100% { transform: translate(-50%, 0);} 50% { transform: translate(-50%, 8px);} }

/* ============ sections ============ */
section { position: relative; padding: 110px 24px; max-width: 1160px; margin: 0 auto; }
.sec-label {
  font-family: "Orbitron", sans-serif; color: var(--glow);
  font-size: 12px; letter-spacing: .5em; margin-bottom: 10px;
}
.sec-title { font-size: clamp(26px, 4.5vw, 40px); color: #fff; font-weight: 700; margin-bottom: 14px; }
.sec-title .accent { color: var(--cyan); text-shadow: 0 0 24px rgba(77,195,255,.7); }
.sec-lead { color: var(--text-dim); max-width: 720px; margin-bottom: 48px; }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .8s ease, transform .8s ease; }
.reveal.on { opacity: 1; transform: none; }

/* glass card */
.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.06), 0 20px 50px rgba(0,0,0,.45);
  transition: .35s;
}
.glass:hover { border-color: rgba(120,190,255,.4); box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 24px 60px rgba(0,0,0,.5), 0 0 40px rgba(47,124,255,.15); transform: translateY(-4px); }

/* ============ cyber station ============ */
.grid { display: grid; gap: 22px; }
.grid.c3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.cyber-card { padding: 30px 28px; position: relative; overflow: hidden; }
.cyber-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--glow), transparent);
  opacity: .6;
}
.cyber-card .icon { font-size: 30px; margin-bottom: 14px; filter: drop-shadow(0 0 12px rgba(77,195,255,.7)); }
.cyber-card h3 { font-family: "Orbitron", "Noto Sans JP", sans-serif; color: #fff; font-size: 17px; letter-spacing: .08em; margin-bottom: 4px; }
.cyber-card .jp-name { color: var(--glow); font-size: 12px; margin-bottom: 12px; letter-spacing: .1em; }
.cyber-card p { color: var(--text-dim); font-size: 13.5px; }
.ver-badge {
  display: inline-block; margin-bottom: 26px;
  border: 1px solid rgba(212,175,106,.5); color: var(--gold);
  padding: 6px 20px; border-radius: 999px; font-size: 12px; letter-spacing: .3em;
  font-family: "Orbitron", sans-serif;
  box-shadow: 0 0 18px rgba(212,175,106,.15);
}

/* ============ two bases ============ */
.base-card { overflow: hidden; padding: 0; }
.base-photo { overflow: hidden; aspect-ratio: 16/10; }
.base-photo img { width: 100%; height: 100%; object-fit: cover; transition: .6s; }
.base-card:hover .base-photo img { transform: scale(1.05); }
.base-cap { padding: 22px 26px 26px; }
.base-cap h3 { color: #fff; font-size: 19px; margin-bottom: 4px; }
.base-cap .en-name { color: var(--glow); font-family: "Orbitron", sans-serif; font-size: 10.5px; letter-spacing: .2em; margin-bottom: 10px; }
.base-cap p { color: var(--text-dim); font-size: 13.5px; }

/* ============ about ============ */
.about-grid { display: grid; grid-template-columns: 300px 1fr; gap: 48px; align-items: start; }
.about-grid .photo { border-radius: var(--radius); overflow: hidden; position: relative; }
.about-grid .photo img { filter: saturate(.95); }
.about-grid .photo::after {
  content: ""; position: absolute; inset: 0;
  border: 1px solid var(--glass-border); border-radius: var(--radius);
  box-shadow: inset 0 0 40px rgba(4,6,12,.35);
}
.about-name { font-size: 24px; color: #fff; margin-bottom: 2px; }
.about-call { color: var(--cyan); font-family: "Orbitron", sans-serif; font-size: 13px; letter-spacing: .2em; margin-bottom: 22px; }
.about-text p { color: var(--text-dim); font-size: 14.5px; margin-bottom: 14px; }
.about-text b { color: var(--text); }
.timeline { margin-top: 28px; border-left: 1px solid var(--glass-border); padding-left: 22px; }
.timeline li { list-style: none; margin-bottom: 14px; position: relative; font-size: 13.5px; color: var(--text-dim); }
.timeline li::before {
  content: ""; position: absolute; left: -26px; top: 8px;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--glow); box-shadow: 0 0 10px var(--glow);
}
.timeline .t { color: var(--cyan); font-family: "Orbitron", sans-serif; font-size: 11px; letter-spacing: .1em; display: block; }

/* ============ station ============ */
.station-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.station-card { padding: 28px; }
.station-card img { border-radius: 12px; margin-bottom: 18px; border: 1px solid rgba(120,190,255,.12); }
.station-card h3 { color: #fff; font-size: 18px; margin-bottom: 2px; }
.station-card .en-name { color: var(--glow); font-family: "Orbitron", sans-serif; font-size: 11px; letter-spacing: .22em; margin-bottom: 12px; }
.station-card p { color: var(--text-dim); font-size: 13.5px; }
.diagram-wrap { margin-top: 22px; padding: 26px; }
.diagram-wrap img { border-radius: 12px; background: #fff; }
.spec-link { margin-top: 30px; text-align: center; }

/* ============ blog ============ */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 22px; }
.post-card { padding: 26px 26px 22px; cursor: pointer; }
.post-card .date { color: var(--glow); font-family: "Orbitron", sans-serif; font-size: 11px; letter-spacing: .18em; }
.post-card h3 { color: #fff; font-size: 17px; margin: 10px 0 8px; }
.post-card p { color: var(--text-dim); font-size: 13px; }
.post-card .more { display: inline-block; margin-top: 14px; color: var(--cyan); font-size: 12px; letter-spacing: .1em; }
/* article view */
.article-view { position: fixed; inset: 0; z-index: 200; overflow-y: auto; background: rgba(4,6,12,.92); backdrop-filter: blur(18px); display: none; }
.article-view.open { display: block; }
.article-inner { max-width: 780px; margin: 70px auto 80px; padding: 46px 42px; }
.article-inner h1 { color: #fff; font-size: 26px; margin-bottom: 6px; }
.article-inner .meta { color: var(--glow); font-family: "Orbitron", sans-serif; font-size: 11px; letter-spacing: .2em; margin-bottom: 28px; }
.article-inner h2 { color: var(--cyan); font-size: 19px; margin: 30px 0 12px; }
.article-inner h3 { color: #fff; font-size: 16px; margin: 24px 0 10px; }
.article-inner p, .article-inner li { color: var(--text-dim); font-size: 14.5px; margin-bottom: 12px; }
.article-inner ul { padding-left: 22px; }
.article-inner img { border-radius: 12px; margin: 18px 0; }
.article-inner code { background: rgba(77,195,255,.1); border-radius: 4px; padding: 1px 7px; color: var(--cyan); font-size: 13px; }
.article-close {
  position: sticky; top: 18px; margin-left: auto; display: block;
  background: var(--glass); border: 1px solid var(--glass-border); color: var(--text);
  border-radius: 999px; padding: 8px 22px; cursor: pointer; backdrop-filter: blur(8px);
}
.article-close:hover { border-color: var(--glow); }

/* ============ gallery ============ */
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.g-item { position: relative; border-radius: 14px; overflow: hidden; cursor: pointer; border: 1px solid rgba(120,190,255,.1); aspect-ratio: 4/3; }
.g-item img { width: 100%; height: 100%; object-fit: cover; transition: .5s; }
.g-item:hover img { transform: scale(1.06); }
.g-item .cap {
  position: absolute; inset: auto 0 0 0; padding: 26px 14px 10px;
  background: linear-gradient(transparent, rgba(4,6,12,.9));
  color: var(--text); font-size: 11.5px; letter-spacing: .05em;
}
.lightbox {
  position: fixed; inset: 0; z-index: 300; background: rgba(2,4,9,.94);
  display: none; align-items: center; justify-content: center; flex-direction: column; padding: 30px;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: min(1100px, 92vw); max-height: 80vh; object-fit: contain; border-radius: 10px; box-shadow: 0 0 80px rgba(47,124,255,.25); }
.lightbox .lb-cap { color: var(--text-dim); margin-top: 16px; font-size: 13px; }
.video-wrap { margin-top: 40px; }
.video-frame { position: relative; padding-top: 56.25%; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--glass-border); }
.video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* ============ wavelog / contact ============ */
.wavelog-box { text-align: center; padding: 60px 30px; }
.wavelog-box .icon { font-size: 44px; margin-bottom: 16px; filter: drop-shadow(0 0 18px rgba(77,195,255,.8)); }
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 22px; }
.contact-card { padding: 34px 28px; text-align: center; display: block; }
.contact-card .icon { font-size: 32px; margin-bottom: 12px; filter: drop-shadow(0 0 14px rgba(77,195,255,.7)); }
.contact-card h3 { color: #fff; font-family: "Orbitron", sans-serif; font-size: 15px; letter-spacing: .14em; margin-bottom: 6px; }
.contact-card p { color: var(--text-dim); font-size: 12.5px; }

/* ============ footer ============ */
footer {
  margin-top: 60px; padding: 46px 24px 60px; text-align: center;
  border-top: 1px solid rgba(120,190,255,.1);
  color: var(--text-dim); font-size: 12px; letter-spacing: .08em;
}
footer .f-call { font-family: "Orbitron", sans-serif; color: var(--glow); letter-spacing: .3em; font-size: 14px; margin-bottom: 8px; }

/* ============ responsive ============ */
@media (max-width: 900px) {
  .nav {
    position: fixed; top: 62px; right: 0; flex-direction: column; align-items: flex-end;
    background: rgba(4,6,12,.92); backdrop-filter: blur(16px);
    padding: 18px 26px 22px; border-radius: 0 0 0 18px;
    border: 1px solid rgba(120,190,255,.12); border-top: none;
    transform: translateX(110%); transition: .35s;
  }
  .nav.open { transform: none; }
  .burger { display: block; }
  .about-grid { grid-template-columns: 1fr; }
  .about-grid .photo { max-width: 260px; }
  .station-grid { grid-template-columns: 1fr; }
  section { padding: 80px 20px; }
  .article-inner { margin: 20px 12px 40px; padding: 30px 22px; }
}
@media (prefers-reduced-motion: reduce) {
  .reveal { transition: none; opacity: 1; transform: none; }
  .hero .call { animation: none; }
}