/*
 * Windows 11 inspired visual refresh.
 * This file intentionally overrides the legacy theme styles without changing templates.
 */

:root {
  --win11-bg: #f4f8ff;
  --win11-bg-soft: #edf4ff;
  --win11-text: #0f172a;
  --win11-subtle: #475569;
  --win11-accent: #0a64f9;
  --win11-surface: rgba(255, 255, 255, 0.78);
  --win11-border: rgba(15, 23, 42, 0.12);
  --win11-shadow: 0 20px 50px -30px rgba(15, 23, 42, 0.65);
  --win11-radius: 18px;
}

body {
  background:
    radial-gradient(1200px circle at 8% -10%, rgba(10, 100, 249, 0.2), transparent 55%),
    radial-gradient(900px circle at 100% 10%, rgba(56, 189, 248, 0.22), transparent 60%),
    linear-gradient(180deg, var(--win11-bg) 0%, var(--win11-bg-soft) 100%);
  color: var(--win11-text);
  font-family: "Segoe UI Variable", "Segoe UI", "Noto Sans JP", "PingFang SC", "Microsoft YaHei", sans-serif;
}

p,
li,
h1,
h2,
h3,
h4,
h5,
td,
label,
.topsub-cont,
.pagecont p,
.footmenu ul li a {
  color: var(--win11-text);
}

header {
  position: sticky;
  top: 0;
  z-index: 999;
  border-top: 0;
  border-bottom: 1px solid var(--win11-border);
  background: var(--win11-surface);
  backdrop-filter: blur(16px) saturate(1.1);
  box-shadow: 0 10px 30px -24px rgba(15, 23, 42, 0.6);
}

#gm {
  margin-bottom: 1rem;
  padding: 0.9rem 0 0.3rem;
}

.header-logo {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.header-logo img {
  padding-top: 0;
}

.header-logo > a:first-child img {
  width: clamp(150px, 14vw, 230px);
  filter: drop-shadow(0 4px 12px rgba(15, 23, 42, 0.18));
}

#right-menu {
  margin-left: auto;
}

#right-menu img,
.menu-btn img {
  width: 42px;
  border-radius: 12px;
  border: 1px solid var(--win11-border);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 8px 16px -12px rgba(15, 23, 42, 0.8);
}

.lang ul {
  display: flex;
  gap: 0.45rem;
  margin: 0;
}

.lang ul li {
  list-style: none;
  margin: 0;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--win11-border);
  background: rgba(255, 255, 255, 0.88);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

#menu-cont ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
}

#menu-cont ul li {
  margin: 0;
  border-radius: 12px;
  border: 1px solid var(--win11-border);
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 8px 18px -16px rgba(15, 23, 42, 0.8);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

#menu-cont ul li:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 24px -16px rgba(15, 23, 42, 0.8);
}

#menu-cont ul li img {
  border-radius: 10px;
}

.sq-box,
.top-tile,
.sec-tile {
  overflow: visible;
}

.slidermainbox,
.slidersidebox {
  width: 100%;
}

.slider-pro,
.sp-slides {
  border-radius: var(--win11-radius);
  overflow: hidden;
  box-shadow: var(--win11-shadow);
  background: rgba(255, 255, 255, 0.68);
}

.box-first,
.box-second {
  display: flex;
  gap: 0.8rem;
}

.sub-margin {
  width: calc(50% - 0.4rem);
}

.bgc01,
.bgc02,
.bgc03,
.bgc04 {
  border-radius: var(--win11-radius);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: var(--win11-shadow);
  overflow: hidden;
}

.bgc01 {
  background: linear-gradient(135deg, #3b82f6 0%, #0a64f9 100%);
}

.bgc02 {
  background: linear-gradient(135deg, #fb7185 0%, #f97316 100%);
}

.bgc03 {
  background: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%);
}

.bgc04 {
  background: linear-gradient(135deg, #22c55e 0%, #14b8a6 100%);
}

.second-colum,
.info-colum .row,
.mail-form-blk,
.pagecont {
  border-radius: calc(var(--win11-radius) + 2px);
  border: 1px solid var(--win11-border);
  background: var(--win11-surface);
  backdrop-filter: blur(10px);
  box-shadow: var(--win11-shadow);
}

.second-colum {
  margin: 3rem 0 2rem;
}

.topsub-ttl,
h2,
h3,
h4,
.page-head,
.form-head,
.topinfo-ttl {
  border: 0;
  color: var(--win11-text);
}

.topsub-ttl,
h3 {
  border-bottom: 1px solid rgba(10, 100, 249, 0.2);
  font-weight: 700;
}

h2,
.page-head,
.form-head {
  background: linear-gradient(90deg, rgba(10, 100, 249, 0.11), rgba(56, 189, 248, 0.08));
  border-radius: 12px;
}

.mail-jump {
  border: 1px solid rgba(10, 100, 249, 0.25);
  background: rgba(255, 255, 255, 0.7);
  border-radius: 14px;
}

footer {
  margin-top: 2.5rem;
  border-top: 1px solid var(--win11-border);
  background: var(--win11-surface);
  backdrop-filter: blur(16px) saturate(1.05);
}

.foot-logobox,
.foot-menubox {
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.copyright {
  background: transparent;
  border-top: 1px solid var(--win11-border);
}

.copyright p {
  color: var(--win11-subtle);
  letter-spacing: 0.02em;
}

.sidr {
  background: rgba(248, 250, 255, 0.94);
  border-top: 0;
  border-left: 1px solid var(--win11-border);
  box-shadow: -16px 0 40px -26px rgba(15, 23, 42, 0.75);
}

.sidr ul li a {
  color: var(--win11-text);
}

@media (max-width: 1024px) {
  .sub-margin {
    width: 100%;
  }

  .box-first,
  .box-second {
    flex-wrap: wrap;
  }
}

@media (max-width: 640px) {
  #gm {
    padding-top: 0.7rem;
  }

  .lang ul {
    width: 100%;
    justify-content: flex-start;
  }

  .topinfo-ttl {
    margin: 0.5rem 0 1rem;
    font-size: 1.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}