*,
::after,
::before {
  box-sizing: border-box;
}

body {
  font-size: 18px;
  font-family: "Sarabun", sans-serif;
  line-height: 1.6;
  margin: 0;
}

.container {
  max-width: 420px;
  width: 100%;
  margin: 0px auto;
}

img,
video {
  max-width: 420px;
  width: 100%;
  display: block;
  margin: 15px auto;
}

a {
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  color: #c21e1e;
}

/* article */
h2 {
  margin: 15px 0;
  font-size: 25px;
}

.topic {
  font-size: 20px;
  font-weight: 700;
}

figcaption {
  color: #0072dd;
  font-size: 16px;
  font-weight: 700;
  font-style: italic;
  text-align: center;
}

.doc {
  color: green;
}

.redd {
  color: red;
}

.dr {
  color: #be0707;
}

.mt5 {
  margin-top: 5px;
}

.mb5 {
  margin-bottom: 5px;
}

.mt0,
img.mt0 {
  margin-top: 0;
}

.mb0,
img.mb0 {
  margin-bottom: 0;
}

.my0,
img.my0,
video.my0 {
  margin-top: 0;
  margin-bottom: 0;
}

.mt30 {
  margin-top: 30px;
}

.block-o {
  max-width: 420px;
  width: 100%;
  margin: 0 auto;
  background-color: rgb(255, 247, 214);
  border: 1px solid black;
  padding: 10px;
}

.block-o2 {
  max-width: 420px;
  width: 100%;
  margin: 0 auto;
  background-color: rgb(255, 237, 210);
  border: 1px solid black;
  padding: 10px;
  margin-bottom: 20px;
}

.block-g {
  max-width: 420px;
  width: 100%;
  margin: 0 auto;
  background-color: #e7e7e7;
  border: 1px solid black;
  padding: 10px;
}

.block-g ul li {
  margin-bottom: 5px;
}

.scrollBtn2 {
  margin: auto;
  display: block;
  max-width: 420px;
  width: 100%;
  background-color: #eb2626;
  text-align: center;
  color: #ffee00;
  padding: 10px 20px;
  font-size: 24px;
  border-radius: 10px;
}

/* form */
.form-bg {
  margin: 25px 0px;
  padding: 15px;
  border: 5px solid rgb(0, 10, 22);
  background-color: rgb(238, 238, 238);
}

.form-bg h2 {
  font-size: 26px;
  margin: 0;
  text-align: center;
}

.form-bg label {
  font-weight: 700;
  display: block;
  text-align: center;
}

span#name-error,
span#phone-error {
  font-size: 16px;
  color: red;
  font-weight: 700;
  display: flex;
  justify-content: center;
}

p#submit-error {
  font-size: 16px;
  color: red;
  font-weight: 700;
  text-align: center;
  margin-bottom: 0;
}

.form-bg p {
  margin: 5px 0;
  text-align: center;
}

.form-bg p.topic {
  font-size: 23px;
}

.form-bg img {
  max-width: 100px;
  width: 100%;
  margin: 15px auto;
  display: block;
}

#goodsCount {
  color: white;
  background-color: #b40000;
  border-radius: 10px;
  padding: 8px;
}

form {
  display: block;
}

.input-form {
  margin: 10px;
}

input.form-box, select.form-box{
  display: block;
  width: 100%;
  padding: 0.375rem 0.75rem;
  font-size: 1rem;
  font-weight: 400;
  font-style: italic;
  line-height: 1.5;
  color: #212529;
  background-color: #fff;
  background-clip: padding-box;
  border: 1px solid #ced4da;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  border-radius: 0.25rem;
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

input,
button {
  margin: 0;
  font-family: inherit;
}

input.form-box:focus, select.form-box:focus {
  color: #212529;
  background-color: #fff;
  border-color: #86b7fe;
  outline: 0;
  box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

button[type="submit"] {
  background: rgb(192, 2, 2);
  color: #fff;
  border-radius: 10px;
  font-size: 22px;
  line-height: 1.4;
  font-weight: 700;
  cursor: pointer;
  padding: 15px 20px;
  border-style: solid;
  border-color: rgb(146, 0, 0);
  border-width: 2px;
  display: block;
  margin: 15px auto 5px;
}

/* comment */
.comment-box {
  margin-bottom: 15px;
  position: relative;
  border-bottom: 1px solid rgb(215, 220, 224);
  padding-bottom: 15px;
}

.comment-box.nohr {
  border-bottom: none;
}

.comment-box.reply {
  margin-left: 70px;
}

hr {
  border: 1px solid rgb(215, 220, 224);
  margin-bottom: 15px;
}

.avatar img {
  float: left;
  width: 60px;
  margin: 0 10px 0 0;
  border-radius: 50%;
}

.avatar-name {
  color: #00227e;
  font-weight: bold;
  font-size: 18px;
  margin-left: 70px;
}

.comment-text {
  font-size: 16px;
  margin-left: 70px;
  margin-top: 8px;
}

.comment-text img {
  max-width: 320px;
  width: 100%;
  margin: 8px 0 0;
}

.scrollBtn {
  margin: auto;
  display: block;
  width: fit-content;
  margin-top: 30px;
  margin-bottom: 40px;
  background-color: #eb2626;
  text-align: center;
  color: #fff;
  padding: 10px 20px;
  font-size: 22px;
  border-radius: 10px;
  transition: all 0.2s;
  -webkit-animation: 0.8s pulse infinite alternate ease-in-out;
  animation: 0.8s pulse infinite alternate ease-in-out;
}

@keyframes pulse {
  0% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }

  100% {
    -webkit-transform: scale(1.1);
    transform: scale(1.1);
  }
}

a:hover.scrollBtn {
  color: white;
}

/* footer */
.footer {
  max-width: 420px;
  margin: 0 auto;
  padding: 10px 5px;
  background-color: #000149;
}

.footer p {
  margin: 0 auto 5px;
  width: 100%;
  color: white;
  font-size: 16px;
  line-height: 1.5;
  text-align: center;
}

@media screen and (max-width: 419px) {
  .container {
    max-width: 400px;
    width: 95%;
    margin: 0 auto;
  }

  .scrollBtn {
    font-size: 18px;
  }

  .form-box {
    margin: 5px 0px;
  }
}

.ct {
  text-align: center;
}