/* ===== 俊浩株式会社 / TOSHIHIRO CO., LTD. — 清新明亮主题 ===== */
:root {
  --sky: #2b9fe6;
  --sky-deep: #1c7fc4;
  --sky-soft: #eaf6fe;
  --mint: #2fbfa3;
  --sand: #ffb86b;
  --ink: #1c2b3a;
  --ink-soft: #51637a;
  --line: #e6eef5;
  --bg: #ffffff;
  --bg-tint: #f6fbff;
  --radius: 18px;
  --shadow: 0 18px 50px -24px rgba(28, 127, 196, 0.45);
  --shadow-soft: 0 10px 30px -18px rgba(28, 43, 58, 0.25);
  --maxw: 1140px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC",
    -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-serif: "Hiragino Mincho ProN", "Hiragino Mincho Pro", "Yu Mincho", "YuMincho",
    "Noto Serif JP", "Songti SC", "SimSun", serif;
  --font-latin: "Cormorant Garamond", "Times New Roman", Georgia, serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
section { padding: 96px 0; }
.eyebrow {
  display: inline-block;
  font-family: var(--font-latin);
  font-size: 16px; letter-spacing: 0.42em; text-transform: uppercase;
  color: var(--sky-deep); font-weight: 600; margin-bottom: 18px;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4.2vw, 42px); font-weight: 600; letter-spacing: 0.02em; line-height: 1.3;
}
.section-lead { color: var(--ink-soft); font-size: 17px; max-width: 640px; margin-top: 16px; font-weight: 300; }
.center { text-align: center; }
.center .section-lead { margin-left: auto; margin-right: auto; }

/* ===== Nav ===== */
header.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand .mark {
  width: 40px; height: 40px; border-radius: 12px;
  background: linear-gradient(135deg, var(--sky), var(--mint));
  display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 18px;
  box-shadow: var(--shadow-soft);
}
.brand b { font-family: var(--font-serif); font-size: 18px; font-weight: 600; letter-spacing: 0.04em; }
.brand span { display: block; font-size: 11px; color: var(--ink-soft); letter-spacing: 0.18em; font-weight: 600; }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { font-size: 15px; color: var(--ink-soft); font-weight: 600; transition: color 0.2s; }
.nav-links a:hover { color: var(--sky-deep); }
.btn {
  display: inline-block; padding: 11px 22px; border-radius: 999px;
  font-weight: 700; font-size: 15px; transition: transform 0.15s, box-shadow 0.2s;
}
.btn-primary { background: linear-gradient(135deg, var(--sky), var(--sky-deep)); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover { transform: translateY(-2px); }
.btn-ghost { background: #fff; color: var(--sky-deep); border: 1.5px solid var(--line); }
.btn-ghost:hover { border-color: var(--sky); }
.nav-toggle { display: none; background: none; border: 0; font-size: 26px; cursor: pointer; color: var(--ink); }
.lang { display: inline-flex; align-items: center; gap: 3px; margin-left: 6px; }
.lang a { font-size: 13px; font-weight: 700; color: var(--ink-soft); padding: 5px 9px; border-radius: 8px; transition: color 0.2s, background 0.2s; }
.lang a.active { color: var(--sky-deep); background: var(--sky-soft); }
.lang a:hover { color: var(--sky-deep); }

/* ===== Hero ===== */
.hero { position: relative; padding: 0; color: #fff; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(110deg, rgba(13, 64, 105, 0.82) 0%, rgba(22, 110, 170, 0.55) 45%, rgba(47, 191, 163, 0.25) 100%);
}
.hero-inner { position: relative; z-index: 2; padding: 132px 24px 120px; max-width: 760px; }
.hero h1 { font-family: var(--font-serif); font-size: clamp(36px, 5.6vw, 62px); font-weight: 600; line-height: 1.28; letter-spacing: 0.03em; }
.hero h1 .hl { color: #d8f3ec; }
.hero p.sub { font-size: clamp(16px, 2vw, 20px); margin-top: 26px; color: #e9f4fb; max-width: 600px; font-weight: 300; line-height: 1.9; }
.hero .cta { display: flex; gap: 14px; margin-top: 36px; flex-wrap: wrap; }
.hero .cta .btn-ghost { background: rgba(255,255,255,0.12); color: #fff; border-color: rgba(255,255,255,0.4); }
.hero-stats { display: flex; gap: 38px; margin-top: 54px; flex-wrap: wrap; }
.hero-stats .s b { font-family: var(--font-serif); font-size: 30px; font-weight: 600; display: block; letter-spacing: 0.02em; }
.hero-stats .s span { font-size: 13px; color: #d6e8f3; letter-spacing: 0.04em; }

/* ===== About ===== */
.about-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
.about-grid p { color: var(--ink-soft); font-size: 17px; margin-top: 20px; font-weight: 300; line-height: 1.95; }
.about-quote {
  position: relative;
  background: linear-gradient(155deg, var(--sky-soft), #ffffff);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 48px 44px 40px; box-shadow: var(--shadow-soft); overflow: hidden;
}
.about-quote .qmark {
  font-family: var(--font-latin); font-size: 120px; line-height: 0.6; color: var(--sky);
  opacity: 0.22; position: absolute; top: 30px; left: 28px;
}
.about-quote .q {
  position: relative; font-family: var(--font-serif); font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 600; line-height: 1.6; letter-spacing: 0.04em; color: var(--ink);
}
.about-quote .qby {
  display: block; margin-top: 26px; font-family: var(--font-latin); font-size: 16px;
  letter-spacing: 0.14em; color: var(--sky-deep); font-weight: 600;
}

/* ===== Services ===== */
#services { background: var(--bg-tint); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 48px; }
.card {
  display: block; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; box-shadow: var(--shadow-soft); transition: transform 0.2s, box-shadow 0.2s;
}
.card-more {
  display: inline-block; margin-top: 16px; font-size: 14px; font-weight: 700;
  color: var(--sky-deep); letter-spacing: 0.02em;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.card .ico {
  width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center;
  background: var(--sky-soft); font-size: 24px; margin-bottom: 18px;
}
.card h3 { font-family: var(--font-serif); font-size: 20px; font-weight: 600; letter-spacing: 0.02em; }
.card p { color: var(--ink-soft); font-size: 15px; margin-top: 12px; font-weight: 300; }

/* ===== Products ===== */
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.prod {
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  background: #fff; box-shadow: var(--shadow-soft); transition: transform 0.2s, box-shadow 0.2s;
}
.prod:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.prod .ph { height: 180px; display: grid; place-items: center; color: #fff; font-size: 54px; }
.prod .ph.a { background: linear-gradient(135deg, #6fc6f0, #2b9fe6); }
.prod .ph.b { background: linear-gradient(135deg, #8ad9c6, #2fbfa3); }
.prod .ph.c { background: linear-gradient(135deg, #ffd29b, #ffb86b); }
.prod .body { padding: 22px 24px; }
.prod h3 { font-family: var(--font-serif); font-size: 20px; font-weight: 600; letter-spacing: 0.02em; }
.prod .hs { font-family: var(--font-latin); font-size: 14px; color: var(--sky-deep); font-weight: 600; letter-spacing: 0.08em; margin-top: 6px; }
.prod p { color: var(--ink-soft); font-size: 14px; margin-top: 12px; font-weight: 300; }
.prod .tag {
  display: inline-block; margin-top: 14px; font-size: 12px; font-weight: 700;
  background: var(--sky-soft); color: var(--sky-deep); padding: 5px 12px; border-radius: 999px;
}

/* ===== Flow ===== */
#flow { background: linear-gradient(180deg, #fff, var(--sky-soft)); }
.flow-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 50px; }
.step { text-align: center; position: relative; }
.step .num {
  width: 64px; height: 64px; margin: 0 auto 18px; border-radius: 50%;
  background: #fff; border: 2px solid var(--sky); color: var(--sky-deep);
  display: grid; place-items: center; font-size: 26px; font-weight: 800; box-shadow: var(--shadow-soft);
}
.step h4 { font-family: var(--font-serif); font-size: 19px; font-weight: 600; letter-spacing: 0.02em; }
.step p { font-size: 14px; color: var(--ink-soft); margin-top: 10px; font-weight: 300; }
.step:not(:last-child)::after {
  content: "→"; position: absolute; top: 18px; right: -16px; color: var(--sky); font-size: 24px; font-weight: 700;
}

/* ===== Gallery (照片占位) ===== */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 48px; }
.gallery .tile {
  aspect-ratio: 4 / 3; border-radius: var(--radius); display: grid; place-items: center;
  text-align: center; color: #fff; font-size: 17px; font-weight: 600; letter-spacing: 0.06em;
  box-shadow: var(--shadow-soft); font-family: var(--font-serif);
}
.gallery .tile.g1 { background: linear-gradient(135deg, #6fc6f0, #2b9fe6); }
.gallery .tile.g2 { background: linear-gradient(135deg, #8ad9c6, #2fbfa3); }
.gallery .tile.g3 { background: linear-gradient(135deg, #ffd29b, #ffb86b); }
.gallery .tile small { display: block; font-family: var(--font); font-weight: 300; font-size: 12px; opacity: 0.9; margin-top: 8px; letter-spacing: 0.08em; }
@media (max-width: 900px) { .gallery { grid-template-columns: 1fr 1fr; } }

/* ===== Info list (设施/要点) ===== */
.info-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 36px; margin-top: 40px; }
.info-list li { list-style: none; padding: 14px 0 14px 30px; border-bottom: 1px solid var(--line); position: relative; color: var(--ink-soft); }
.info-list li::before { content: "—"; position: absolute; left: 0; color: var(--sky); font-weight: 700; }
.info-list li b { color: var(--ink); font-weight: 600; }
@media (max-width: 700px) { .info-list { grid-template-columns: 1fr; } }

/* ===== Page hero (子页面) ===== */
.page-hero {
  background: linear-gradient(160deg, var(--sky-soft), #ffffff);
  padding: 96px 0 64px; text-align: center; border-bottom: 1px solid var(--line);
}
.page-hero h1 {
  font-family: var(--font-serif); font-size: clamp(30px, 4.6vw, 46px);
  font-weight: 600; letter-spacing: 0.04em; margin-top: 6px;
}

/* ===== Company table ===== */
#company { background: #fff; }
.co-table { margin-top: 44px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.co-row { display: grid; grid-template-columns: 220px 1fr; border-bottom: 1px solid var(--line); }
.co-row:last-child { border-bottom: 0; }
.co-row dt { background: var(--sky-soft); padding: 18px 24px; font-weight: 700; color: var(--ink); font-size: 15px; }
.co-row dd { padding: 18px 24px; color: var(--ink-soft); font-size: 15px; }

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; margin-top: 44px; }
.contact-info .line { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 22px; }
.contact-info .line .ic { font-size: 22px; }
.contact-info .line b { display: block; font-size: 15px; }
.contact-info .line span { color: var(--ink-soft); font-size: 15px; }
form.contact { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow-soft); }
form.contact .field { margin-bottom: 18px; }
form.contact label { font-size: 14px; font-weight: 700; display: block; margin-bottom: 8px; }
form.contact input, form.contact textarea {
  width: 100%; padding: 13px 15px; border: 1.5px solid var(--line); border-radius: 12px;
  font-family: inherit; font-size: 15px; color: var(--ink); transition: border-color 0.2s;
}
form.contact input:focus, form.contact textarea:focus { outline: none; border-color: var(--sky); }
form.contact textarea { resize: vertical; min-height: 110px; }
form.contact button { width: 100%; border: 0; cursor: pointer; }

/* ===== Footer ===== */
footer.site {
  background: var(--ink); color: #cdd9e6; padding: 56px 0 30px;
}
.foot-top { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.foot-brand b { font-family: var(--font-serif); color: #fff; font-size: 19px; font-weight: 600; letter-spacing: 0.03em; }
.foot-brand p { margin-top: 10px; font-size: 14px; max-width: 320px; color: #9fb3c7; }
.foot-cols { display: flex; gap: 56px; flex-wrap: wrap; }
.foot-col h5 { color: #fff; font-size: 14px; margin-bottom: 14px; letter-spacing: 0.05em; }
.foot-col a, .foot-col p { display: block; font-size: 14px; color: #9fb3c7; margin-bottom: 9px; }
.foot-col a:hover { color: #fff; }
.foot-bottom { border-top: 1px solid rgba(255,255,255,0.1); margin-top: 40px; padding-top: 22px; font-size: 13px; color: #8094a8; text-align: center; }

/* ===== Reveal animation ===== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0;
    background: #fff; padding: 18px 24px; gap: 18px; border-bottom: 1px solid var(--line);
  }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .cards, .prod-grid { grid-template-columns: 1fr; }
  .flow-steps { grid-template-columns: 1fr 1fr; }
  .step:not(:last-child)::after { display: none; }
  .co-row { grid-template-columns: 1fr; }
  .co-row dt { padding-bottom: 4px; }
  .hero-inner { padding: 104px 24px 88px; }
}
@media (max-width: 520px) {
  section { padding: 70px 0; }
  .flow-steps { grid-template-columns: 1fr; }
  .hero-inner { padding: 80px 22px 64px; }
  .hero h1 { font-size: 31px; line-height: 1.35; }
  .hero p.sub { margin-top: 20px; }
  .hero .cta { margin-top: 28px; }
  .hero-stats { gap: 20px 28px; margin-top: 40px; }
  .hero-stats .s b { font-size: 24px; }
}