/* ==================================================
  妹尾フォーム UI（form/index.php・confirm 経路用）
  LP（meta|gdn）のピンク系トーンに合わせた見た目
================================================== */
:root {
  --form-color-text: #3C3C3C;
  --form-color-green: #eb6e8f;
  --form-color-green-dark: #ef5e84;
  --form-color-green-bright: #f28da8;
  --form-color-green-deep: #c45a74;
  --form-color-border: #e0c8d0;
  --form-color-required-bg: #EB5F6B;
  --form-color-error: #d00303;
  --form-color-error-bg: #FDF2F3;
  --form-color-surface: #ffffff;
  --form-color-container: #ffffff;
  --form-color-bg: #fffafc;
  --form-color-note: #848484;
  --form-max-width: 72rem;
  --form-breakpoint: 798px;
  --form-font-sans: "Noto Sans JP", sans-serif;
}

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

html {
  font-size: 62.5%;
}

body {
  margin: 0;
  font-family: var(--form-font-sans);
  font-size: 1.6rem;
  line-height: 1.8;
  color: var(--form-color-text);
}

.form_bg {
  min-height: 100vh;
  padding: 3rem 1.5rem 5rem;
  background-color: var(--form-color-bg);
}

.form_header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.6rem;
  max-width: var(--form-max-width);
  margin: 0 auto 2.4rem;
  text-align: center;
}

.form_brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 0;
  text-decoration: none;
  width: fit-content;
  transition: opacity 0.25s ease;
}

@media (hover: hover) {
  .form_brand:hover {
    opacity: 0.7;
  }
}

.form_brand img {
  width: 4.6rem;
  height: 4.6rem;
}

.form_brand_text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

.form_brand_small {
  font-size: 1.1rem;
  letter-spacing: 0.19em;
  color: #8a6a74;
}

.form_brand_name {
  font-family: var(--form-font-sans);
  font-size: 2rem;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 0.08em;
  color: var(--form-color-green-deep);
}

.form_title {
  margin: 0;
  font-family: var(--form-font-sans);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--form-color-green);
}

.form_title::after {
  content: "";
  display: block;
  width: 6.2rem;
  height: 0.3rem;
  margin: 1rem auto 0;
  border-radius: 0.3rem;
  background-color: var(--form-color-green);
}

.form_section {
  max-width: var(--form-max-width);
  margin: 0 auto;
}

.form_section_inner {
  padding: 0;
}

.form_container {
  background-color: var(--form-color-container);
  padding: 3.4rem 3rem;
  border: 1px solid var(--form-color-border);
  border-radius: 1.8rem;
  box-shadow: 0 6px 20px 0 rgba(235, 110, 143, 0.08);
}

.form_section_header {
  margin-bottom: 2.8rem;
}

.form_section_header p {
  margin: 0;
}

.form_lead_strong {
  margin-bottom: 1.2rem !important;
  font-weight: 700;
  color: var(--form-color-green);
}

.form_lead {
  font-size: 1.5rem;
}

.form_lead_note {
  margin-top: 1rem !important;
  font-size: 1.3rem;
  color: var(--form-color-note);
}

.form_body {
  font-size: 1.6rem;
}

.form_group_title {
  margin: 3.4rem 0 0;
  padding: 0.8rem 1.4rem;
  font-family: var(--form-font-sans);
  font-size: 1.8rem;
  font-weight: 700;
  color: #ffffff;
  background-color: var(--form-color-green);
  border-radius: 0.6rem;
}

.form_group_title_note {
  font-size: 1.4rem;
  font-weight: 400;
}

.error_message {
  margin: 0 0 2rem;
  padding: 1.2rem 1.4rem;
  list-style: none;
  background-color: var(--form-color-error-bg);
  border: 1px solid var(--form-color-error);
  border-radius: 0.6rem;
  color: var(--form-color-error);
  font-size: 1.4rem;
}

.input_wrap {
  padding: 2rem 0.2rem;
  border-bottom: 1px dashed var(--form-color-border);
}

.input_wrap:last-of-type {
  border-bottom: 0;
}

.form_label {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 0.8rem;
  font-weight: 700;
  color: var(--form-color-green-deep);
}

.form_label_note {
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--form-color-note);
}

.form_label_sub {
  display: block;
  margin: 1.2rem 0 0.6rem;
  font-size: 1.3rem;
  color: var(--form-color-note);
}

.form_note {
  margin: 0 0 0.8rem;
  font-size: 1.3rem;
  color: var(--form-color-note);
}

.required {
  display: inline-flex;
  align-items: center;
  margin-right: 0.6rem;
  margin-left: 0.6rem;
  padding: 0.1rem 0.7rem;
  font-size: 1.2rem;
  font-weight: 500;
  color: #fff;
  background-color: var(--form-color-required-bg);
  border-radius: 999px;
}

.form_label .required {
  margin-left: 0.8rem;
  margin-right: 0;
}

.input_wrap input[type="text"],
.input_wrap input[type="email"],
.input_wrap input[type="tel"],
.input_wrap textarea,
.input_wrap select {
  width: 100%;
  padding: 1rem 1.2rem;
  font-family: inherit;
  font-size: 1.6rem;
  color: var(--form-color-text);
  border: 1px solid var(--form-color-border);
  border-radius: 0.6rem;
  background-color: var(--form-color-surface);
}

.input_wrap input:focus,
.input_wrap textarea:focus,
.input_wrap select:focus {
  outline: 2px solid rgba(53, 150, 82, 0.45);
  outline-offset: 0;
}

.input_wrap textarea {
  resize: vertical;
  min-height: 10rem;
}

.validation-error {
  display: block;
  margin-top: 0.5rem;
  color: var(--form-color-error);
  font-size: 1.3rem;
}

.input_wrap.checkbox_wrap .input {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.4rem;
}

.input_wrap.checkbox_wrap .input > div {
  display: flex;
  align-items: flex-start;
}

.input_wrap.checkbox_wrap input[type="checkbox"],
.input_wrap.checkbox_wrap input[type="radio"] {
  flex-shrink: 0;
  width: 1.8rem;
  height: 1.8rem;
  margin: 0.35rem 0.7rem 0 0;
  accent-color: var(--form-color-green);
}

.input_wrap.radio_stack .input {
  flex-direction: column;
  gap: 1rem;
}

.agree_wrap {
  padding-top: 1.4rem;
}

.agree_wrap label {
  font-weight: 700;
}

.privacy_notes {
  margin: 1.8rem 0 0;
  padding: 1.8rem 2rem;
  font-size: 1.3rem;
  background-color: var(--form-color-bg);
  border: 1px solid var(--form-color-border);
  border-radius: 1rem;
  max-height: 24rem;
  overflow-y: auto;
}

.privacy_notes p {
  margin: 0;
}

.privacy_notes p:first-child {
  margin-bottom: 0.8rem;
  font-weight: 700;
  color: var(--form-color-green-deep);
}

.button_wrap {
  text-align: center;
  margin-top: 3rem;
}

.button,
input.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-width: 28rem;
  padding: 1.6rem 2.4rem;
  font-family: inherit;
  font-size: 1.7rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  background: linear-gradient(0deg, var(--form-color-green-dark) 23%, var(--form-color-green-bright) 100%);
  border: 0;
  border-radius: 999px;
  box-shadow: 0 6px 9px 0 rgba(0, 0, 0, 0.25), inset 0 0 14px 0 rgba(0, 0, 0, 0.25);
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}

.back_button,
input.back_button {
  background: #999999;
  box-shadow: none;
}

@media (hover: hover) {
  .button:hover,
  input.button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 16px 0 rgba(0, 0, 0, 0.3), inset 0 0 14px 0 rgba(0, 0, 0, 0.25);
  }

  .back_button:hover,
  input.back_button:hover {
    transform: none;
    box-shadow: none;
    background: #777777;
  }
}

input[type="submit"],
input[type="button"] {
  font-family: inherit;
}

/* 確認画面 */
dl.confirm {
  margin: 0;
}

dl.confirm dt,
dl.confirm dd {
  margin: 0;
  padding: 1.5rem 0.2rem;
  border-bottom: 1px dashed var(--form-color-border);
}

dl.confirm dt:first-of-type,
dl.confirm dd:first-of-type {
  border-top: 1px solid var(--form-color-border);
}

dl.confirm dt {
  font-weight: 700;
  color: var(--form-color-green-deep);
}

.form_submit_button {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 3rem;
}

/* 完了画面 */
.complete_heading {
  margin: 0 0 1.5rem;
  font-family: var(--form-font-sans);
  font-size: 2rem;
  text-align: center;
  color: var(--form-color-green);
}

.complete_txt {
  margin: 0 0 1rem;
  text-align: center;
}

.complete_txt--note {
  font-size: 1.4rem;
  color: var(--form-color-note);
}

@media screen and (min-width: 799px) {
  dl.confirm {
    display: flex;
    flex-wrap: wrap;
  }

  dl.confirm dt {
    width: 32%;
    padding-right: 1.5rem;
  }

  dl.confirm dd {
    width: 68%;
  }
}

@media screen and (max-width: 798px) {
  .form_bg {
    padding: 2rem 1.2rem 4rem;
  }

  .form_container {
    padding: 2.4rem 1.6rem;
    border-radius: 1.4rem;
  }

  .form_title {
    font-size: 2.1rem;
  }

  .form_brand_name {
    font-size: 1.7rem;
  }

  .form_group_title {
    font-size: 1.6rem;
  }

  .form_lead {
    font-size: 1.4rem;
    text-align: left;
  }

  .button,
  input.button {
    width: 100%;
    min-width: 0;
  }

  .form_submit_button {
    flex-direction: column-reverse;
    align-items: stretch;
  }
}