/* メニュー内だけに適用 */
.ss-menu,
.ss-menu *,
.ss-menu *::before,
.ss-menu *::after {
  box-sizing: border-box;
}

.ss-menu {
  --ss-menu-ink: #202526;
  --ss-menu-accent: #175fdd;

  position: relative;
  z-index: 100;
  display: flex;
  justify-content: flex-end;
  width: 100%;
  overflow: visible;

  color: var(--ss-menu-ink);
  font-family:
    Arial,
    "Hiragino Kaku Gothic ProN",
    "Noto Sans JP",
    sans-serif;
  font-size: 16px;
  line-height: 1.5;
  text-align: left;
}

.ss-menu .ss-menu__details {
  position: static;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
}

/* 開閉ボタン */
.ss-menu .ss-menu__button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;

  width: fit-content;
  min-width: 112px;
  min-height: 48px;
  margin: 0;
  padding: 10px 16px;

  border: 0;
  border-radius: 999px;
  background: #f1f4f6;
	opacity:0.8;
  color: var(--ss-menu-ink);

  font: inherit;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.08em;
  list-style: none;
  cursor: pointer;
}

/* 標準マーカーを非表示 */
.ss-menu .ss-menu__button::-webkit-details-marker {
  display: none;
}

.ss-menu .ss-menu__button::marker {
  content: "";
}

/* 既存CSSで付く装飾を抑制 */
.ss-menu .ss-menu__button::before,
.ss-menu .ss-menu__button::after {
  content: none;
}

.ss-menu .ss-menu__button:hover {
  background: #e4ebef;
}

.ss-menu .ss-menu__button:focus-visible,
.ss-menu .ss-menu__link:focus-visible {
  outline: 3px solid var(--ss-menu-accent);
  outline-offset: 4px;
}

/* 2本線アイコン */
.ss-menu .ss-menu__icon {
  position: relative;
  display: block;
  flex: 0 0 22px;
  width: 22px;
  height: 18px;
}

.ss-menu .ss-menu__icon::before,
.ss-menu .ss-menu__icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background: currentColor;
  transition: transform 0.25s ease;
}

.ss-menu .ss-menu__icon::before {
  top: 5px;
}

.ss-menu .ss-menu__icon::after {
  top: 13px;
}

/* 開いたときに × へ変化 */
.ss-menu .ss-menu__details[open] .ss-menu__icon::before {
  transform: translateY(4px) rotate(45deg);
}

.ss-menu .ss-menu__details[open] .ss-menu__icon::after {
  transform: translateY(-4px) rotate(-45deg);
}

/* ボタンの文字切り替え */
.ss-menu .ss-menu__close {
  display: none;
}

.ss-menu .ss-menu__details[open] .ss-menu__open {
  display: none;
}

.ss-menu .ss-menu__details[open] .ss-menu__close {
  display: inline;
}

/* メニューパネル */
.ss-menu .ss-menu__panel {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  left: auto;

  display: block;
  width: min(380px, 100%);
  margin: 0;
  padding: 16px 28px;

  border: 1px solid #e1e6e9;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 20px 60px #182d4414;
}

/* 閉じている間はリンクも操作対象外に */
.ss-menu .ss-menu__details:not([open]) .ss-menu__panel {
  display: none;
}

.ss-menu .ss-menu__details[open] .ss-menu__panel {
  animation: ss-menu-enter 0.25s ease-out;
}

/* メニュー項目 */
.ss-menu .ss-menu__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 4px 16px;

  min-height: 72px;
  margin: 0;
  padding: 14px 0;

  border: 0;
  border-bottom: 1px solid #e9edef;
  background: transparent;
  color: var(--ss-menu-ink);

  font: inherit;
  font-size: 22px;
  text-decoration: none;
  overflow-wrap: anywhere;

  transition: color 0.2s ease, padding 0.2s ease;
}

.ss-menu .ss-menu__link:last-child {
  border-bottom: 0;
}

.ss-menu .ss-menu__link:hover {
  padding-left: 6px;
  color: var(--ss-menu-accent);
}

.ss-menu .ss-menu__link small {
  color: #647079;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: normal;
}

/* 開くときのアニメーション */
@keyframes ss-menu-enter {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* スマホ向け */
@media (max-width: 600px) {
  .ss-menu .ss-menu__panel {
    padding: 12px 20px;
  }

  .ss-menu .ss-menu__link {
    min-height: 68px;
  }
}

/* 動きを減らす設定に対応 */
@media (prefers-reduced-motion: reduce) {
  .ss-menu .ss-menu__panel,
  .ss-menu .ss-menu__link,
  .ss-menu .ss-menu__icon::before,
  .ss-menu .ss-menu__icon::after {
    animation: none;
    transition: none;
  }
}

/* ページトップボタン */
html {
  scroll-behavior: smooth;
}

.suisui-back-top {
  position: fixed;
  right: 20px;
  bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  z-index: 1000;

  display: grid;
  place-items: center;
  box-sizing: border-box;
  width: 52px;
  height: 52px;

  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(0, 0, 0, 0.25);
  border-radius: 50%;

  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);

  color: #000;
  font-family: Arial, sans-serif;
  font-size: 26px;
  font-weight: 400;
  line-height: 1;
  text-decoration: none;

  transition: background 0.2s, transform 0.2s;
}

/* 最初の1画面分は非表示 */
.suisui-back-top[hidden] {
  display: none;
}

@media (hover: hover) {
  .suisui-back-top:hover {
    background: rgba(255, 255, 255, 0.85);
    transform: translateY(-3px);
  }
}

.suisui-back-top:focus-visible {
  outline: 2px solid #000;
  outline-offset: 4px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .suisui-back-top {
    transition: none;
  }
}