【CSS】シンプルなボタンデザイン実装サンプル集

<a href="#" class="btn_01">BUTTON</a>

a.btn_01 {
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(#4fb5ef, #0076b9 100%);
  border: 1px solid #005e94;
  border-radius: 12px;
  box-shadow: inset 0px 0px 2px 0px rgb(255, 255, 255);
  box-shadow: 0px 4px 4px 0px rgb(175, 175, 175);
  box-sizing: border-box;
  width: 100%;
  height: 50px;
  padding: 0 20px 0 70px;
  color: #fff;
  font-size: 16px;
  text-align: left;
  text-decoration: none;
  position: relative;
  transition-duration: 0.2s;
}
a.btn_01:hover {
  opacity: .7;
}
a.btn_01:before {
  content: "";
  display: inline-block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 7px 0 7px 8px;
  border-color: transparent transparent transparent #ffffff;
  position: absolute;
  top: 50%;
  left: 23px;
  margin-top: -7px;
}
a.btn_01:after {
  content: "";
  display: inline-block;
  width: 1px;
  height: 100%;
  background-color: #005e94;
  box-shadow: 0px 0px 2px 0px rgb(255, 255, 255);
  position: absolute;
  top: 0;
  left: 50px;
}

<a href="https://125naroom.com/web/2846" target="_blank" class="btn_blue"><span class="bl__text">シンプルなボタンデザイン集</span></a>

a.btn_blue {
    display: block;
    max-width: 350px;
    margin: 0 auto;
    padding: 1.5rem 3.0rem;
    background-color: #1755aa;
    border-radius: 8px;
  box-sizing: border-box;
    text-decoration: none;
    transition: 0.3s;
}
a.btn_blue span.bl__text {
    display: block;
    position: relative;
    color: #fff;
    font-size: 16px;
    text-align: center;
    padding-left: 30px;
}
a.btn_blue span.bl__text:before {
    content: '';
    width: 20px;
    height: 20px;
    background: #ffffff;
    border-radius: 50%;
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    margin: auto;
}
a.btn_blue span.bl__text:after {
    content: '';
    width: 8px;
    height: 8px;
    border-top: 3px solid #1755aa;
    border-right: 3px solid #1755aa;
  box-sizing: border-box;
    transform: rotate(45deg);
    position: absolute;
    top: 0;
    left: 5px;
    bottom: 0;
    margin: auto;
    transition: 0.3s;
}
a.btn_blue:hover {
    background-color: #01b5d0;
}
a.btn_blue:hover span.bl__text:after {
    border-top: 3px solid #01b5d0;
    border-right: 3px solid #01b5d0;
}
@media (max-width: 736px) {
    a.btn_blue {
        max-width: 280px;
        padding: 1.5rem 2.0rem;
    }
    a.btn_blue span.bl__text {
        font-size: 14px;
    }
}

<a href="https://125naroom.com/web/2846" target="_blank" class="btn_ao_a"><span class="a__icon"><img src="https://125naroom.com/wp/wp-content/themes/design125naroom/img/kinoko_pan.png" alt=""></span><span class="a__text">シンプルなボタンデザイン集</span></a>

a.btn_ao_a {
    display: flex;
    align-items: center;
    max-width: 500px;
    margin: 0 auto;
    padding: 1.3rem 2rem;
    border: 2px solid #014897;
    background: #fff;
    text-decoration: none;
    transition: 0.3s;
}
a.btn_ao_a:hover {
    background-color: #e9f3fd;
}
a.btn_ao_a .a__icon {
    padding-right: 4px;
}
a.btn_ao_a .a__icon img {
    width: 36px;
    vertical-align: middle;
}
a.btn_ao_a .a__text {
    display: block;
    flex-grow: 1;
    color: #004386;
    font-weight: bold;
    text-align: center;
    position: relative;
    padding-right: 40px;
    font-size: 23px;
}
a.btn_ao_a .a__text::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    margin: auto;
    transform: rotate(45deg);
    border-top: 3px solid #014897;
    border-right: 3px solid #014897;
    box-sizing: border-box;
    width: 14px;
    height: 14px;
    transition: 0.3s;
}
@media (max-width: 1200px) {
    a.btn_ao_a .a__icon img {
        width: 32px;
    }
    a.btn_ao_a .a__text {
        font-size: 18px;
        padding-right: 20px;
    }
    a.btn_ao_a .a__text::after {
        width: 12px;
        height: 12px;
    }
}
@media (max-width: 736px) {
    a.btn_ao_a {
        max-width: 320px;
    }
    a.btn_ao_a .a__icon img {
        width: 28px;
    }
    a.btn_ao_a .a__text {
        font-size: 14px;
        padding-right: 20px;
    }
    a.btn_ao_a .a__text::after {
        width: 10px;
        height: 10px;
    }
}

<a href="https://125naroom.com/web/2846" target="_blank" class="btn_ao_b"><span class="b__text">シンプルなボタンデザイン集</span></a>

a.btn_ao_b {
  display: flex;
  align-items: center;
  max-width: 500px;
  margin: 0 auto;
  padding: 1.3rem 2rem;
  border: 2px solid #014897;
  background: #fff;
  text-decoration: none;
  transition: 0.3s;
}
a.btn_ao_b:hover {
  background-color: #e9f3fd;
}
a.btn_ao_b .b__text {
  display: block;
  flex-grow: 1;
  color: #004386;
  font-weight: bold;
  text-align: center;
  position: relative;
  padding-right: 15px;
  font-size: 23px;
}
a.btn_ao_b .b__text::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  margin: auto;
  transform: rotate(45deg);
  border-top: 3px solid #014897;
  border-right: 3px solid #014897;
  box-sizing: border-box;
  width: 14px;
  height: 14px;
  transition: 0.3s;
}
@media (max-width: 1200px) {
  a.btn_ao_b .b__text {
    font-size: 18px;
    padding-right: 20px;
  }
  a.btn_ao_b .b__text::after {
    width: 12px;
    height: 12px;
  }
}
@media (max-width: 736px) {
  a.btn_ao_b .b__text {
    font-size: 14px;
    padding-right: 20px;
  }
  a.btn_ao_b .b__text::after {
    width: 10px;
    height: 10px;
  }
}

<a href="https://125naroom.com/web/2846" target="_blank" class="btn_ao_c"><span class="c__text"><span class="c__in"><span class="c__icon"><img src="https://125naroom.com/wp/wp-content/themes/design125naroom/img/kinoko_pan.png" alt=""></span><span class="a__one">シンプルな<br>ボタンデザイン集</span></span></span></a>

a.btn_ao_c {
  display: flex;
  align-items: center;
  max-width: 500px;
  margin: 0 auto;
  padding: 1.3rem 2rem;
  background: #ffffff;
  border: 2px solid #014897;
  text-decoration: none;
  transition: 0.3s;
}
a.btn_ao_c:hover {
  background: #fffbee;
}
a.btn_ao_c .c__icon {
  padding-right: 10px;
}
a.btn_ao_c .c__icon img {
  width: 36px;
  vertical-align: middle;
}
a.btn_ao_c .c__text {
  display: block;
  flex-grow: 1;
  color: #014897;
  font-weight: bold;
  text-align: center;
  position: relative;
  padding-right: 15px;
  font-size: 23px;
}
a.btn_ao_c .c__text::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  margin: auto;
  transform: rotate(45deg);
  border-top: 3px solid #014897;
  border-right: 3px solid #014897;
  box-sizing: border-box;
  width: 14px;
  height: 14px;
  transition: 0.3s;
}
a.btn_ao_c .c__text .c__in {
  display: flex;
  align-items: center;
  justify-content: center;
}
a.btn_ao_c br {
  display: none;
}
@media (max-width: 736px) {
  a.btn_ao_c .c__icon img {
    width: 42px;
  }
  a.btn_ao_c .c__text {
    font-size: 14px;
    padding-right: 20px;
  }
  a.btn_ao_c .c__text::after {
    width: 10px;
    height: 10px;
  }
  a.btn_ao_c br {
    display: block;
  }
}

<a href="#" class="btn_02">BUTTON</a>

a.btn_02 {
  display: flex;
  justify-content: center;
  align-items: center;
  background: #fff;
  border: 1px solid #228bc8;
  box-sizing: border-box;
  width: 100%;
  height: 50px;
  padding: 0 6% 0 12%;
  color: #228bc8;
  font-size: 16px;
  text-align: left;
  text-decoration: none;
  position: relative;
  transition-duration: 0.2s;
}
a.btn_02:hover {
  background: #228bc8;
  color: #fff;
}
a.btn_02:before {
  content: "";
  display: inline-block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 7px 0 7px 8px;
  border-color: transparent transparent transparent #228bc8;
  position: absolute;
  top: 50%;
  left: 6%;
  margin-top: -7px;
}
a.btn_02:hover:before {
  border-color: transparent transparent transparent #fff;
}

<a href="#" class="btn_02_a"><span>BUTTON</span></a>

a.btn_02_a {
  display: block;
  color: #fff;
  font-size: 16px;
  padding: 1.5rem .5rem;
  background-color: #e22939;
  text-align: center;
  text-decoration: none;
  transition-duration: 0.3s;
}
a.btn_02_a:hover {
  background: #000000;
}
a.btn_02_a span {
  position: relative;
  padding-left: 36px;
}
a.btn_02_a span:before {
  content: '';
  width: 26px;
  height: 26px;
  background: #ffffff;
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 0;
  margin-top: -13px;
}
a.btn_02_a span:after {
  content: '';
  width: 6px;
  height: 6px;
  border: 0;
  border-top: 3px solid #e22939;
  border-right: 3px solid #e22939;
  transform: rotate(45deg);
  position: absolute;
  top: 50%;
  left: 7px;
  margin-top: -5px;
}
a.btn_02_a:hover span:after {
  border-top: 3px solid #000000;
  border-right: 3px solid #000000;
}

<a href="#" class="btn_03">BUTTON</a>

a.btn_03 {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 50px;
  position: relative;
  background: #228bc8;
  border: 1px solid #228bc8;
  border-radius: 30px;
  box-sizing: border-box;
  padding: 0 45px 0 25px;
  color: #fff;
  font-size: 16px;
  letter-spacing: 0.1em;
  line-height: 1.3;
  text-align: left;
  text-decoration: none;
  transition-duration: 0.3s;
}
a.btn_03:before {
  content: '';
  width: 8px;
  height: 8px;
  border: 0;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
  transform: rotate(45deg);
  position: absolute;
  top: 50%;
  right: 25px;
  margin-top: -6px;
}
a.btn_03:hover {
  background: #fff;
  color: #228bc8;
}
a.btn_03:hover:before {
  border-top: 2px solid #228bc8;
  border-right: 2px solid #228bc8;
}

<section>
  <a href="#" class="btn_04">BUTTON</a>
</section>

a.btn_04 {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 50px;
  position: relative;
  background: #228bc8;
  border: 1px solid #228bc8;
  box-sizing: border-box;
  padding: 0 25px 0 40px;
  color: #fff;
  font-size: 16px;
  letter-spacing: 0.1em;
  line-height: 1.3;
  text-align: left;
  text-decoration: none;
  transition-duration: 0.3s;
}
a.btn_04:before {
  content: '';
  width: 8px;
  height: 8px;
  border: 0;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
  transform: rotate(45deg);
  position: absolute;
  top: 50%;
  left: 25px;
  margin-top: -6px;
}
a.btn_04:hover {
  background: #fff;
  color: #228bc8;
}
a.btn_04:hover:before {
  border-top: 2px solid #228bc8;
  border-right: 2px solid #228bc8;
}

<a href="#" class="btn_05"><span>BUTTON</span></a>

a.btn_05 {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 70px;
  background-color: #e8a48b;
  box-sizing: border-box;
  color: #fff;
  font-size: 16px;
  letter-spacing: 0.1em;
  line-height: 2.0;
  text-decoration: none;
  transition-duration: 0.3s;
  position: relative;
}
a.btn_05:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 30px 40px 0 0;
  border-color: #ffffff transparent transparent transparent;
}
a.btn_05:after {
  content: "";
  position: absolute;
  top: -6px;
  left: 5px;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 0 40px 30px;
  border-color: transparent transparent #efefef transparent;
  box-shadow: 1px 1px 1px 0px rgba(0, 0, 0, 0.15);
  transform: rotate(16deg);
}
a.btn_05:hover {
  background-color: #e6de6b;
}
a.btn_05 span {
  position: relative;
  padding-left: 16px;
  letter-spacing: 0.05em;
}
a.btn_05 span:before {
  content: '';
  width: 6px;
  height: 6px;
  border: 0;
  border-top: solid 2px #fff;
  border-right: solid 2px #fff;
  transform: rotate(45deg);
  position: absolute;
  top: 50%;
  left: 0;
  margin-top: -4px;
}

<a href="#" class="btn_06"><span>BUTTON</span></a>

a.btn_06 {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 50px;
  box-sizing: border-box;
  background: repeating-linear-gradient(45deg, #ffffff, #ffffff 3px, #e7e7e7 3px, #e7e7e7 30px);
  color: #333;
  font-size: 14px;
  letter-spacing: 0.1em;
  text-decoration: none;
  position: relative;
}
a.btn_06 span {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 50px;
  background: #fff;
  border: 1px solid #000;
  box-sizing: border-box;
  position: absolute;
  top: -6px;
  left: -6px;
  transition-duration: 0.2s;
}
a.btn_06:hover span {
  left: -1px;
  top: -1px;
}

<a href="#" class="btn_06-2"><span>BUTTON</span></a>

a.btn_06-2 {
  display: block;
  color: #ffffff;
  font-size: 20px;
  font-weight: bold;
  line-height: 1.2;
  text-decoration: none;
  text-align: center;
  padding: 1.3em .5em;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid transparent;
  border-radius: 6px;
  box-sizing: border-box;
  max-width: 360px;
  margin: 0 auto;
  position: relative;
}
a.btn_06-2 span {
  position: relative;
  display: block;
  transform: translate(-3px, -3px);
  transition: 0.3s;
  z-index: +1;
}
a.btn_06-2:after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  margin: auto;
  width: 100%;
  height: 100%;
  background: #e1000e;
  border-radius: 6px;
  box-sizing: border-box;
  transform: translate(-3px, -3px);
  transition: 0.3s;
}
a.btn_06-2:hover span {
  transform: translate(0, 0);
}
a.btn_06-2:hover:after {
  transform: translate(0, 0);
}
@media all and (max-width: 1023px) {
  a.btn_06-2 {
    font-size: 18px;
  }
}
@media all and (max-width: 767px) {
  a.btn_06-2 {
    font-size: 16px;
  }
}

<a href="#" class="btn_07">BUTTON<span></span></a>

a.btn_07 {
  display: flex;
  justify-content: center;
  align-items: center;
  background: #fff;
  border: 1px solid #228bc8;
  box-sizing: border-box;
  width: 100%;
  height: 80px;
  padding: 0 25px;
  color: #228bc8;
  font-size: 16px;
  text-align: left;
  text-decoration: none;
  position: relative;
  transition-duration: 0.2s;
}
a.btn_07:hover {
  background: #228bc8;
  border: 1px solid #05639a;
  color: #fff;
}
a.btn_07:before {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 0 40px 50px;
  border-color: transparent transparent #228bc8 transparent;
}
a.btn_07 span {
    position: absolute;
    bottom: 12px;
    right: 20px;
    display: inline-block;
}
a.btn_07 span:before {
    content: '';
    width: 16px;
    height: 16px;
    background: #ffffff;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 0;
    margin-top: -8px;
}
a.btn_07 span:after {
    content: '';
    width: 6px;
    height: 6px;
    border: 0;
    border-top: 2px solid #228bc8;
    border-right: 2px solid #228bc8;
    transform: rotate(45deg);
    position: absolute;
    top: 50%;
    left: 4px;
    margin-top: -3px;
}

<a href="#" class="btn_08"><span>BUTTON</span></a>

a.btn_08 {
  position: relative;
  display: block;
  color: #ffffff;
  font-size: 16px;
  text-decoration: none;
  text-align: center;
}
a.btn_08::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  margin: auto;
  width: 100%;
  height: 100%;
  background: linear-gradient(155deg, #ffbfbf 20%, #c2fcf9 40%, #f9c5ff 51%, #ffbfbf 80%);
  border-radius: 7em;
  box-sizing: border-box;
}
a.btn_08::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  margin: auto;
  width: 100%;
  height: 100%;
  background-color: #e90063;
  border-radius: 7em;
  box-sizing: border-box;
  transform: translate(0, -10px);
}
a.btn_08 span {
  position: relative;
  display: block;
  padding: 1rem 5rem;
  transform: translate(0, -10px);
  overflow: hidden;
  z-index: +1;
}
a.btn_08 span::before {
  content: "";
  position: absolute;
  top: -180px;
  left: 0;
  width: 30px;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.8);
  opacity: 0;
  transform: rotate(45deg);
}
a.btn_08::after, a.btn_08 span {
  transition-property: transform;
  transition-duration: 0.3s;
}
a.btn_08:hover::after, a.btn_08:hover span {
  transform: translate(0, 0);
}
a.btn_08:hover span::before {
  animation: shine 1s ease-in-out 1;
}
@keyframes shine {
  0% {
    transform: scale(1) rotate(45deg);
    opacity: 0;
  }
  10% {
    transform: scale(1) rotate(45deg);
    opacity: 0.5;
  }
  20% {
    transform: scale(4) rotate(45deg);
    opacity: 1;
  }
  80% {
    transform: scale(50) rotate(45deg);
    opacity: 0;
  }
}

<a href="#" class="btn_09"><span><span>BUTTON</span>BUTTON</span></a>

a.btn_09 {
  display: flex;
  justify-content: center;
  align-items: center;
  color: #795548;
  text-align: center;
  text-decoration: none;
  width: 100%;
  height: 100px;
  padding: 20px 20px 20px 75px;
  background-color: #ffffff;
  border: 5px solid #FFC107;
  border-radius: 10px;
  box-sizing: border-box;
  position: relative;
  transition-duration: 0.3s;
}
a.btn_09::before {
  content: '';
  width: 60px;
  height: 60px;
  position: absolute;
  top: 50%;
  left: 20px;
  margin-top: -30px;
  background-image: url("https://125naroom.com/wp/wp-content/themes/design125naroom/img/kinoko_pan.png");
  background-size: contain;
  background-repeat: no-repeat;
}
a.btn_09 span {
  font-size: 26px;
  font-weight: bold;
  line-height: 1;
}
a.btn_09 span span {
  display: block;
  font-size: 16px;
  margin-bottom: 7px;
}
a.btn_09:hover {
  color: #ffffff;
  background-color: #FFC107;
}

<a href="#" class="btn_10"><span>BUTTON</span></a>

a.btn_10 {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 50px;
  box-sizing: border-box;
  background: #fff;
  position: relative;
}
a.btn_10 span {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 50px;
  background: #fff;
  box-sizing: border-box;
  color: #333;
  font-size: 14px;
  letter-spacing: 0.1em;
  text-decoration: none;
  box-shadow: 0px 5px 12px #CAD4E2, -6px -6px 12px #FFF;
  border-radius: 10px;
  position: absolute;
  top: -5px;
  left: 0;
  transition-duration: 0.2s;
}
a.btn_10:hover span {
  left: 0;
  top: 0;
  box-shadow: 0 0 4px #CAD4E2, -2px -2px 4px #FFF;
}

<a href="#" class="btn_11"><span>BUTTON</span></a><br>
<a href="#" class="btn_11"><span>折り返しを揃えるシンプルなボタン折り返しを揃えるシンプルなボタン</span></a>

a.btn_11 {
  display: inline-block;
  color: #004386;
  font-size: 16px;
  line-height: 1.5;
  padding-left: 1.2em;
  text-indent: -1.2em;
  text-decoration: none;
}
a.btn_11 span:before {
  content: '';
  display: inline-block;
  width: 7px;
  height: 7px;
  border-top: 2px solid #004386;
  border-right: 2px solid #004386;
  -webkit-transform: rotate(45deg);
  transform: rotate(45deg);
  margin-right: 10px;
}

<a href="#" class="btn_12"><span>BUTTON</span></a><br>
<a href="#" class="btn_12"><span>折り返しを揃えるシンプルなボタン。「inline-table」を使ってみる。これは使える。うんうん、いいね。文字サイズ変えても使いやすい。</span></a>
<a href="#" class="btn_12"><span class="new">別窓アイコンを表示させたい。折り返しで崩れないようにafterで表示させるのが良いですね。</span></a>

a.btn_12 {
  display: inline-table;
  color: #004386;
  font-size: 16px;
  line-height: 1.5;
  text-decoration: none;
}
a.btn_12:before {
  content: '';
  display: inline-block;
  vertical-align: middle;
  width: 7px;
  height: 7px;
  border-top: 2px solid #004386;
  border-right: 2px solid #004386;
  transform: rotate(45deg) translateY(-1px);
  margin-right: 10px;
}
a.btn_12 span {
  display: table-cell;
  vertical-align: top;
}
a.btn_12 span.new:after {
  content: "";
  margin-right: 3px;
  padding-right: 17px;
  background: url(https://125naroom.com/demo/img/icon_new.png) right center no-repeat;
}
a.btn_12:hover {
  text-decoration: underline;
}