/* =========================
   Header / Navigation
========================= */
/* --- Header (KV03) --- */
.sr-header{
    position: fixed;
    top: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 108px);
    height: 70px;
    padding: 0 26px;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;

    background: #fff;
    color: #111;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0,0,0,.15);
    z-index: 2147483647;
    isolation: isolate;
    pointer-events: auto;
    mix-blend-mode: normal;
}

img.h-logo{
    width: 220px;
}

.sr-header-nav{
    display: flex;
    align-items: center;
    gap: 30px;

    font-family: var(--font-en);
    font-weight: 500;
    font-size: 15px;
    letter-spacing: 0.08em;
    white-space: nowrap;
}
.sr-header-nav a{
    color: #111;
    opacity: .92;
    transition: opacity .2s ease;
}
.sr-header-nav a:hover{ opacity: 1; }

.sr-header-actions{
    display: flex;
    align-items: center;
    gap: 18px;
    flex-shrink: 0;
}

/* Language Dropdown */
.sr-lang{
  position: relative;
}
.sr-lang-btn{
  height: 40px;
  padding: 0 14px;
  border: 0;
  border-radius: 4px;
  background: #0b67a3;
  color: #fff;
  font-family: var(--font-en);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.08em;
  cursor: pointer;
  white-space: nowrap;

  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.sr-lang-btn:focus{ outline: none; }
.sr-lang-btn:focus-visible{
  outline: 2px solid rgba(11,103,163,.35);
  outline-offset: 2px;
}
.sr-lang-chev{
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid rgba(255,255,255,.92);
  transform: translateY(1px);
}
.sr-lang-menu{
  position: absolute;
  top: 46px;
  right: 0;
  min-width: 86px;
  padding: 8px 0;
  margin: 0;
  list-style: none;

  background: #fff;
  border: 1px solid rgba(0,0,0,.10);
  border-radius: 8px;
  box-shadow: 0 18px 40px rgba(0,0,0,.18);
  z-index: 10;

  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
}
.sr-lang.is-open .sr-lang-menu{
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.sr-lang-item{
  width: 100%;
  padding: 10px 14px;
  background: transparent;
  border: 0;
  cursor: pointer;
  display: inline-block;
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: #111;
  text-align: center;
  white-space: nowrap;
}
.sr-lang-item:hover{ background: rgba(0,0,0,.06); }
.sr-lang-item:focus{ outline: none; }
.sr-lang-item:focus-visible{
  outline: 2px solid rgba(11,103,163,.35);
  outline-offset: -2px;
}


/* Hamburger (SP) */
.hamburger{
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    position: relative;
    appearance: none;
    -webkit-appearance: none;
    background: transparent;
    border: none;
    padding: 0;
    margin: 0;
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
}
.hamburger:focus{ outline: none; }
.hamburger:focus-visible{ outline: none; }
.hamburger span{
    width: 100%;
    height: 2px;
    background: #111;
    transition: 0.3s;
    display: block;
    pointer-events: none;
}
body.nav-open .hamburger span:nth-child(1){ transform: translateY(10px) rotate(45deg); }
body.nav-open .hamburger span:nth-child(2){ opacity: 0; }
body.nav-open .hamburger span:nth-child(3){ transform: translateY(-10px) rotate(-45deg); }

/* Navigation Overlay (SP) */
.nav-overlay{
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    background: #111;
    z-index: 1500;

    display: flex;
    align-items: center;
    justify-content: center;

    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease;
}
body.nav-open .nav-overlay{
    opacity: 1;
    pointer-events: auto;
}

.nav-list{ text-align: center; }
.nav-list li{ margin: 20px 0; overflow: hidden; }
.nav-list a{
    display: block;
    font-family: var(--font-en);
    font-size: 40px;
    font-weight: 700;
    color: #fff;
    transform: translateY(100%);
    transition: transform 0.5s ease;
}
body.nav-open .nav-list a{ transform: translateY(0); }
body.nav-open .nav-list li:nth-child(1) a{ transition-delay: 0.10s; }
body.nav-open .nav-list li:nth-child(2) a{ transition-delay: 0.20s; }
body.nav-open .nav-list li:nth-child(3) a{ transition-delay: 0.30s; }
body.nav-open .nav-list li:nth-child(4) a{ transition-delay: 0.40s; }
body.nav-open .nav-list li:nth-child(5) a{ transition-delay: 0.50s; }
body.nav-open .nav-list li:nth-child(6) a{ transition-delay: 0.60s; }

@media (max-width: 1080px){
    .sr-header{
        top: 14px;
        width: calc(100% - 24px);
        height: 64px;
        border-radius: 16px;
        padding: 0 16px;
    }
    .sr-header-nav{ display: none; }
    .hamburger{ display: flex; }
}
@media (max-width: 600px){
img.h-logo {
    width: 156px;
}
.sr-lang-btn {
        height: 32px;
        padding: 0 10px;
        font-size: 11px;
}
.hamburger {
    width: 30px;
}
.sr-header-actions {
    gap: 10px;
}
.sr-header {
        gap: 10px;
        border-radius: 10px;
        height: 56px;
}

.nav-list a {
    font-size: 24px;
}
}