@charset "UTF-8";
html {
  font-family:
    Noto Sans JP,
    sans-serif;
  color: #000000;
  font-size: 100%;
  font-weight: 100;
  scroll-behavior: smooth;
}
body {
  background-color: #000000;
}
.header-wrap {
  color: #ffffff;
  padding: 1.5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.header-wrap__logo {
  width: 30%;
}
.header-wrap__logo a {
  color: #ffffff;
  text-decoration: none;
  font-weight: 100;
  font-size: 22px;
}
.header-wrap__logo h2 {
  font-weight: 100;
}
.header-wrap__logo h2 small {
  font-size: 12px;
  font-weight: 100;
}
.header-wrap__nav {
  width: 33%;
  display: flex;
  justify-content: space-between;
}
.header-wrap__nav a {
  color: #ffffff;
  text-decoration: none;
  font-weight: 100;
  font-size: 12px;
}
.header-wrap__sns {
  width: 30%;
  display: flex;
  gap: 15px;
  justify-content: flex-end;
}
.header-wrap__sns img {
  width: 25px;
}
.__inner {
  width: 95%;
  max-width: 1000px;
  margin: 0 auto;
}
.footer {
  background-color: #000000;
  color: #ffffff;
  text-align: center;
  padding: 30px 0;
  font-size: 12px;
  font-weight: 100;
}
@media screen and (max-width: 1080px) {
  .header-wrap__logo {
    width: 45%;
  }
  .header-wrap__nav {
    font-size: 14px;
    width: 40%;
  }
  .header-wrap__sns {
    width: 15%;
  }
  .header-wrap__logo a {
    font-size: 18px;
  }
  .header-wrap__logo h2 small {
    font-size: 10px;
  }
}
/* ===================================================
   HAMBURGER + OFFCANVAS (hamburger only scope)
   影響範囲：.hamburger / #spnav / .spnav-overlay
=================================================== */

/* button */
button.hamburger {
  display: none;
  width: 46px;
  height: 46px;
  background: none;
  border: 0;
  cursor: pointer;
  position: relative;
  z-index: 10002;
  padding: 0;
}

/* 3本線 */
button.hamburger .hamburger__line {
  position: absolute;
  left: 0;
  right: 0;
  margin: auto;
  width: 26px;
  height: 1px;
  background: #fff;
  transition: 0.3s;

  transition:
    transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    top 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 0.25s ease;
}
body.is-navopen button.hamburger .hamburger__line {
  background: #000;
}
button.hamburger .hamburger__line:nth-child(1) {
  top: 14px;
}
button.hamburger .hamburger__line:nth-child(2) {
  top: 22px;
}
button.hamburger .hamburger__line:nth-child(3) {
  top: 30px;
}
body.is-navopen {
  overflow: hidden;
  position: fixed;
  width: 100%;
}
/* open → X */
body.is-navopen button.hamburger .hamburger__line:nth-child(1) {
  top: 22px;
  transform: rotate(45deg);
}
body.is-navopen button.hamburger .hamburger__line:nth-child(2) {
  opacity: 0;
}
body.is-navopen button.hamburger .hamburger__line:nth-child(3) {
  top: 22px;
  transform: rotate(-45deg);
}

/* overlay */
.spnav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.25s ease,
    visibility 0.25s ease;
  z-index: 10000;
}
body.is-navopen .spnav-overlay {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* panel */
#spnav.spnav {
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  width: min(88vw, 420px);
  background-image: url(../img/back.svg);
  transform: translateX(110%);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 10001;
}
body.is-navopen #spnav.spnav {
  transform: translateX(0);
}

/* SPで表示（header本体への影響は最小限） */
@media (max-width: 900px) {
  button.hamburger {
    display: block;
  }
  .header-wrap {
    position: relative;
  }
  .header-wrap__nav,
  .header-wrap__sns {
    display: none;
  }
  .header-wrap__logo {
    width: auto;
    max-width: 80%;
  }
}
/* ===================================================
   SPNAV INNER DESIGN ONLY
   影響範囲：#spnav 内部（.spnav__inner以下）
=================================================== */

/* パネル全体の内側レイアウト */
#spnav .spnav__inner {
  height: 95%;
  padding: 22px 22px 26px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  color: #111;
}

/* 上部（ブランド＋閉じる） */
#spnav .spnav__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.2);
}
.spnav__logo a {
  color: #000000;
  text-decoration: none;
  font-weight: 100;
  font-size: 18px;
}
.spnav__logo h2 {
  font-weight: 100;
}
.spnav__logo h2 small {
  font-size: 10px;
  font-weight: 100;
}

/* ×ボタン（灰色・スタイリッシュ） */
#spnav .spnav__close {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.6);
  color: #2a2a2a;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition:
    transform 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease;
}

#spnav .spnav__close:hover {
  transform: scale(1.03);
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(0, 0, 0, 0.18);
}

/* メニューリスト */
#spnav .spnav__list {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

/* 1行1リンク：余白広め＋細い区切り線 */
#spnav .spnav__list li {
  border-bottom: 1px solid rgba(0, 0, 0, 0.2);
}

#spnav .spnav__list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 2px;
  color: #1a1a1a;
  text-decoration: none;
  letter-spacing: 0.1em;
  font-size: 16px;
  font-weight: 300;
  transition:
    background 0.2s ease,
    transform 0.2s ease;
  border-radius: 10px;
}

/* 右矢印（mosioっぽい控えめ） */
#spnav .spnav__list a::after {
  content: "";
  width: 7px;
  height: 7px;
  border-top: 1px solid rgba(0, 0, 0, 0.45);
  border-right: 1px solid rgba(0, 0, 0, 0.45);
  transform: rotate(45deg);
  margin-left: 12px;
}

#spnav .spnav__list a:hover {
  background: rgba(255, 255, 255, 0.65);
  transform: translateX(2px);
}

/* SNSエリア（下部に固定したい場合） */
#spnav .spnav__sns {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  display: flex;
  gap: 14px;
}

#spnav .spnav__sns a {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  transition:
    transform 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease;
}

#spnav .spnav__sns a:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(0, 0, 0, 0.18);
}

#spnav .spnav__sns img {
  width: 25px;
  height: 25px;
  display: block;
  opacity: 0.9;
}
@media screen and (max-width: 350px) {
  #spnav.spnav {
    width: 100vw;
  }
}
