h1{
   color:#454a4a;
   font-size:50px;
}
.title{
    text-align: center;
}
.butan-list{
    list-style:none;
    padding: 25px;
    margin: 25px;
    display:flex;
    gap: 80px;
    font-size:20px;
    flex-wrap: wrap; /* 画面幅が狭い時は折り返し */
  justify-content:center; /* 中央寄せ（必要なら） */
}

/*1 ボタン*/
.button-1{
    background:#d6f8ff;
    border-radius:5px;
    position: relative;
    align-items:center;
    margin: 0 auto;
    display: inline-block;
    padding: 10px 60px;
    color:#6e3325;
    text-decoration:none;
    transition: 0.5s ease-in-out;
}
.button-1:hover{
    background:#6e3325;
    color:#d6f8ff;
}
.button-1:after{
    content:'';
    width:6px;
    height:6px;
    border-top:2px solid#6e3325;
    border-right:2px solid#6e3325;
    transform: rotate(45deg) translateY(-50%);
    position: absolute;
    top: 50%;
    right: 20px;
    border-radius: 1px;
    transition: 0.3s ease-in-out;
}
.button-1:hover:after{
    border-color:#d6f8ff;
}
/*２個目　ボタン*/
.button-2{
    display:inline-block;
    text-align:center;
    vertical-align:middle;
    text-decoration:none;
    padding:10px 60px;
    background:linear-gradient(to top,#f5a467,#f58f42);
    color:#fff;
    box-shadow:0 2px 4px rgba(243, 207, 157, 0.3);
    -webkit-box-shadow:0 2px 4px rgba(243, 207, 157, 0.3);
    transition:0.5s;
}
.button-2:hover{
    color:#fff;
    opacity:0.7;
}
/*３個目　ボタン*/
.button-3{
    position:relative;
    display:inline-block;
    padding:10px 60px;
    color:#fff;
    transition: 0.5s ease-in-out;
    background:#d57e7e;
    filter:drop-shadow(0px 2px 5px #f4f2f2);
    text-decoration:none;
}
.button-3:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px -5px rgba(90, 90, 90, 0.15), 0 0 5px rgba(89, 88, 88, 0.1);
}

/*4 ボタン*/

.button-4{
    position:relative;
    display:inline-block;
    width:300px;
    text-align:center;
    text-decoration:none;
    background:linear-gradient(to right,#295e0c,#5ad119);
    background-position:0% 50%;
    background-size:200% auto;
    line-height:50px;
    outline:none;
    color:#fff;
    transition:all 0.5s ease-out;
}
.button-4:hover{
    color:#fff;
    background-position:100% 50%;
}

/*5　ボタン*/
.button-5{
    position:relative;
    display:inline-block;
    align-items:center;
    margin: 0 auto;
    padding:10px 60px;
    color:#664735;
    transition:0.5s ease-in-out;
    background:#dbb8ce;
    overflow:hidden;
    text-decoration: none;
}
.button-5:before{
    position:absolute;
    top:0;
    left:0;
    width:150%;
    height:500%;
    content: "";
    -webkit-transition: all 0.5s ease-in-out;
    transition: all 0.5s ease-in-out;
    -webkit-transform: translateX(-98%) translateY(-25%) rotate(45deg);
    transform: translateX(-98%) translateY(-25%) rotate(45deg);
    background:#8a637b;
    opacity: 0.3;
}
.button-5:hover:before{
    -webkit-transform: translateX(-9%) translateY(-25%) rotate(45deg);
    transform: translateX(-9%) translateY(-25%) rotate(45deg);
}
/*6 ボタン*/
.button-6{
    display:inline-block;
    position:relative;
    color:#f01f42;
    padding: 10px 60px;
    text-decoration: none;
  text-align: center;
  transition: 0.3s;
}

.button-6:before,
.button-6:after{
    content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  background:#f01f42;
}

.button-6:before{
    top:0;
    left:0;
}
.button-6:after{
    right:0;
    bottom:0;
}
.button-6:hover:before,
.button-6:hover:after{
    width:0;
}

/*7　ボタン*/
.button-7{
    background:#faf0dc;
    position: relative;
    justify-content: space-around;
    align-items: center;
    margin: 0 auto;
    width: 190px;
    height:70%;
    padding: 10px 60px;
    color:#624c25;
    transition: 0.3s ease-in-out;
    font-weight: 500;
    text-decoration: none;
    display: flex;
}
.button-7:before{
  content: '';
  position: absolute;
  top: -5px;
  left: -5px;
  width: calc(100% - 4px);
  height: calc(100% - 4px);
  border: 2px solid #ecb847;
  transition: 0.3s;
}

.button-7:after{
  content: '';
  width: 5px;
  height: 5px;
  border-top: 3px solid #fff;
  border-right: 3px solid #fff;
  transform: rotate(45deg);
}
.button-7:hover:before{
    top:0;
    left:0;
}
.button-7:hover{
    text-decoration: none;
  background-color: #e2b470;

}

/*8　ボタン*/

.button-8{
    background:#968180;
    border-radius: 3px;
    position: relative;
    align-items: center;
    margin: 0 auto;
    display: inline-block;
    padding: 10px 60px;
    color: #f5a8a4;
    text-decoration: none;
    height:70%;
    transition: 0.5s ease-in-out;
}

.button-8:hover{
    background:#f5a8a4;
    color:#968180;
}
.button-8:after{
    content: '';
    width: 6px;
    height: 6px;
    border-top: 2px solid #f5a8a4;
    border-right: 2px solid #f5a8a4;
    transform: rotate(45deg) translateY(-50%);
    position: absolute;
    top: 50%;
    right: 30px;
    border-radius: 1px;
    transition: 0.3s ease-in-out;
}
.button-8:hover:after{
    border-color:#968180;
    right:20px;
}

/*9　ボタン*/
.button-9{
    position:relative;
    display:flex;
    justify-content: space-around;
    align-items:center;
    margin:center;
    width: 190px;
    padding: 10px 60px;
    color: #37693e;
    transition: 0.3s ease-in-out;
    font-weight:100px;
    background: #addec6;
    text-decoration: none;
    border-radius:9px;
}
.button-9:hover{
    background:#8bcd9c;
    color: #fff;
}
.button-9:before,.button-9:after{
  box-sizing: inherit;
  content: "";
  position:absolute;
  border: 2px solid transparent;
  width: 0;
  height: 0;
  border-radius:9px;
}
.button-9:before{
    top:0;
    right:0;
}
.button-9:after{
    bottom:0;
    height:100%;
}
.button-9:hover:before,.button-9:hover:after{
    width:100%;
    height:120%;
}
.button-9:hover:before{
    border-top-color: #fff;
  border-right-color: #fff;
  transition: width 0.15s ease-out, height 0.15s ease-out 0.15s;
}
.button-9:hover:after{
    border-bottom-color: #fff;
  border-left-color: #fff;
  transition:border-color 0s ease-out 0.2s, width 0.15s ease-out 0.2s, height 0.15s ease-out 0.3s;
}

/*10　ボタン*/

.button-10{
    position:relative;
    display: inline-block;
    padding: 10px 10px 10px 60px;
    color: #130250;
    transition: 0.5s ease-in-out;
    text-decoration: none;
    font-size: 20px;
}
.button-10:before,.button-10:after{
    content:"";
    position:absolute;
    display:block;
    top:50%;
}
.button-10:before{
  width:10px;
  height: 10px;
  left: 18px;
  border-top: solid 2px #fff;
  border-right: solid 2px #fff;
  z-index: 2;
  transform: translateY(-50%) rotate(45deg);
  transition: all 0.5s;
}
.button-10:after{
  left: 0;
  right:auto;
  background:#281eb2;
  z-index: 1;
  width: 3rem;
  height: 3rem;
  border-radius: 50px;
  transform: translateY(-50%);
  transition: all 0.5s;
}
.button-10 span{
  position: relative;
  transition: all 0.3s;
  z-index: 3;
  opacity:0.7;
}
.button-10:hover span{
    color:#fff;
}
.button-10:hover:before{
    left:1rem;
}
.button-10:hover:after{
    right:auto;
    left: 1px;
    width:100%; 
}

/*11　ボタン*/
.button-11{
  display: flex;
  justify-content: center;
  align-items: center;
  width: 290px;
  height: 50px;
  box-sizing: border-box;
  background: #decbe8;
  position: relative;
  border-radius:5px;
}
.button-11 span{
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 50px;
  background: #dd90d3;
  box-sizing: border-box;
  color: #780b76;
  font-size: 20px;
  text-decoration: none;
  box-shadow: 0px 5px 12px #dfb6f5, -6px -6px 12px #fff;
  border-radius: 5px;
  position: absolute;
  top: -5px;
  left: 0;
  transition-duration: 0.3s;
}
.button-11:hover span{
  left: 0;
  top: 0;
  box-shadow: 0 0 5px #dfb6f5, -2px -2px 5px #FFF;
}

/*12 ボタン*/
.button-12{
    position: relative;
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin: 0 auto;
    max-width: 290px;
    padding: 10px 60px;
    color: #13707b;
    transition: 0.3s ease-in-out;
    font-weight: 600;
    background: #c8f4f8;
    border-radius: 50px;
    border: 0.2rem solid #13707b;
    box-shadow: 0.2rem 0.2rem 0px 0.1rem #929c9d;
    text-decoration: none;
}
.button-12:hover{
  transform: translate3d(0.2rem, 0.2rem, 0);
  box-shadow: none;
  opacity: 1;
  transition: all 0.2s;
}
.button-12:after{
    content: '';
    width: 5px;
    height: 5px;
    border-top: 3px solid #13707b;
    border-right: 3px solid #13707b;
    transform: rotate(45deg) translateY(-50%);
    position: absolute;
    top: 50%;
    right: 20px;
    border-radius: 1px;
    transition: 0.3s ease-in-out;
}
/*13　ボタン*/
.button-13{
    display: block;
    text-align: center;
	text-decoration: none;
	width: 190px;
	margin: auto;
	padding: 1rem 4rem;
	font-weight: bold;
	background-image: linear-gradient(to right, #e66565 0%, #c064d2 100%);
	border-radius: 100vh;
	color: #fff;
	border: 2px solid #fff;
	box-shadow: 0 2px 5px rgba(0, 0, 0, .2);
	-webkit-box-shadow: 0 2px 5px rgba(0, 0, 0, .2);
	transition: 0.5s;
    font-size:20px;
}
.button-13:hover{
    color:#fff;
    background-image: linear-gradient(to left, #dfbde6 0%, #f58484 100%);
}
/*14　ボタン*/
.button-14{
    display: block;
	text-align: center;
	text-decoration: none;
	width: 190px;
	margin: auto;
	padding: 1rem 4rem;
	font-weight: bold;
	border: 2px solid #6aecda;
	color: #7fcbb3;
	cursor: pointer;
	position: relative;
 	overflow: hidden;
 	z-index: 1;
}
.button-14:before{
    content: "";
	position: absolute;
	left: 0;
	top: 0;
	width: 100%;
	height: 100%;
	background-color:#fb3d6f;
	transform: translateX(-100%);
	transition: all .3s;
	z-index: -1;
}
.button-14:before{
    transform: translateX(0);
}
.button-14:hover{
    color:#ffffff;
}
/*15　ボタン*/
.button-15{
    text-align: center;
	vertical-align: middle;
	text-decoration: none;
	width: 190px;
	margin: auto;
	padding: 1rem 4rem;
	border-radius: 100vw;
	color: #fff;
	background: #ff760e;
}
.button-15:hover{
    background-position: right center;
	background-size: 200% auto;
	-webkit-animation: pulse 3s infinite;
	animation: shad26 2s infinite;
	color: #fff;
}
@keyframes shad26 {
	0% {box-shadow: 0 0 0 0 #ff760e;}
    50% {box-shadow: 0 0 0 8px rgb(39 172 217 / 0%);}
	100% {box-shadow: 0 0 0 0 rgb(39 172 217 / 0%);}
}