@charset "UTF-8";

/**********************/
.mono .btn01 {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4em;
  padding: 0.9em 1.8em;
  border-radius: 999px;
  font-size: clamp(12px, 1vw, 16px);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  cursor: pointer;
  border: none;
  outline: none;
  transition:
    background 0.25s ease,
    color 0.25s ease,
    box-shadow 0.25s ease,
    transform 0.15s ease;
}

/* フォーカス（キーボード操作用） */
.mono .btn01:focus-visible {
  box-shadow: 0 0 0 3px rgba(50, 115, 220, 0.4);
}

/* 全体に使うカラー変数（好みで変更OK） */
:root {
  --btn-main: #8ec21f;       /* メインカラー */
  --btn-main-dark: #0f7560;  /* ホバー用濃色 */
  --btn-accent: #f1c40f;     /* アクセント */
  --btn-text-dark: #1a1a1a;
}

.mono .btn01-primary {
  background: var(--btn-main);
  color: #fff;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.18);
}

.mono .btn01-primary:hover {
  background: var(--btn-main-dark);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
}

.mono .btn01-primary:active {
  transform: translateY(0);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.18);
}


.mono .btn01-outline {
  background: #fff;
  color: var(--btn-main);
  border: 1px solid var(--btn-main);
}

.mono .btn01-outline:hover {
  background: var(--btn-main);
  color: #fff;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.16);
}


.mono .btn01-ghost {
  padding: 0.2em 0;
  border-radius: 0;
  background: transparent;
  color: var(--btn-text-dark);
  position: relative;
}

.mono .btn01-ghost::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15em;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--btn-main), var(--btn-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.mono .btn01-ghost:hover::after {
  transform: scaleX(1);
}


.mono .btn01-gradient {
  background: linear-gradient(135deg, #16a085, #2ecc71);
  color: #fff;
  box-shadow: 0 10px 30px rgba(22, 160, 133, 0.45);
  position: relative;
  overflow: hidden;
}

.mono .btn01-gradient::before {
  content: "";
  position: absolute;
  top: 0;
  left: -60%;
  width: 40%;
  height: 100%;
  background: linear-gradient(
    120deg,
    rgba(255, 255, 255, 0.0),
    rgba(255, 255, 255, 0.6),
    rgba(255, 255, 255, 0.0)
  );
  transform: skewX(-20deg);
  opacity: 0;
}

.mono .btn01-gradient:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 40px rgba(22, 160, 133, 0.55);
}

.mono .btn01-gradient:hover::before {
  opacity: 1;
  animation: btnShine 0.8s ease-out;
}

@keyframes btnShine {
  0% {
    transform: translateX(0) skewX(-20deg);
  }
  100% {
    transform: translateX(220%) skewX(-20deg);
  }
}



.mono .btn01-pill {
  background: #fff;
  color: var(--btn-text-dark);
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  padding-right: 1.2em;
  padding-left: 1.4em;
}

.mono .btn01-pill .btn01-icon {
  display: inline-flex;
  width: 1.8em;
  height: 1.8em;
  border-radius: 999px;
  align-items: center;
  justify-content: center;
  font-size: 0.9em;
  background: var(--btn-main);
  color: #fff;
}

.mono .btn01-pill:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.16);
  transform: translateY(-1px);
}


/*******************/
.mono .btn,
.mono a.btn,
.mono button.btn {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.5;
  position: relative;
  display: inline-block;
  padding: 1rem 4rem;
  cursor: pointer;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
  text-align: center;
  vertical-align: middle;
  text-decoration: none;
  letter-spacing: 0.1em;
  color: #212529;
  border-radius: 0.5rem;
}

.mono a.btn-flat {
  overflow: hidden;
  padding: 1.5rem 3rem;
  color: #fff;
  border-radius: 0;
  background: #000;
  position: relative;
}
.mono a.btn-flat.t-long {
  background: #8ec21f;
}

.mono a.btn-flat span {
  position: relative;
  color: #fff;
  font-size: clamp(14px, 1vw, 18px);
}

.mono a.btn-flat:before {
  position: absolute;
  top: 0;
  left: -5px;
  width: 150%;
  height: 500%;
  content: '';
  -webkit-transition: all .5s ease-in-out;
  transition: all .5s ease-in-out;
  -webkit-transform: translateX(-98%) translateY(-70%) rotate(135deg);
  transform: translateX(-98%) translateY(-70%) rotate(135deg);
  background: #8ec21f;
}
.mono a.btn-flat.t-long:before{
  top: 10px;
  left: 40px;
  background: #111
}


.mono a.btn-flat:hover:before {
  -webkit-transform: translateX(-9%) translateY(-25%) rotate(135deg);
  transform: translateX(-9%) translateY(-25%) rotate(135deg);
}




@media screen and (max-width: 470px) {
  
  .mono a.btn-flat.t-long:before,
  .mono a.btn-flat:before {
      position: absolute;
      top: -30%;
      left: 25%;
    }




}