/* ----------------------
スタイル指定 
----------------------*/
/* デフォルトのスタイル(SP用 / 共通) */
*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
html, body, header {
    height: 100%;
}
html {
    font-size: 16px;
}
body {
    font-family:
    "Lato", "Noto Sans JP", 
    -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Helvetica, Arial,
    "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ ProN", "メイリオ", Meiryo, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
    line-height: 1.8;
    letter-spacing: .1em;
}
h1 {
    display: block;
    width: calc(100% - 42px);
    margin: 0 auto;
}
.container {
    width: 100%;
    height: 100%;
}
section.wrap {
    /* padding: 24px; ロゴ掲載許諾後*/
    padding: 40px 24px;
}
input::placeholder,
textarea::placeholder {
    letter-spacing: .1em;
    color: #ccc;
}
.btn {
    background-color: #000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.5em 3em;
    margin: 0 auto;
    color: #fff;
    min-height: 48px;
    min-width: 240px;
    border-radius: 8px;
    letter-spacing: 0.2em;
}
.btn .en {
    display: block;
    line-height: 1;
    margin: 0.5em 0;
    letter-spacing: 0.15em;
}
button,
.btn,
a {
  transition: all 0.3s ease;
}
a:hover,
button:hover,
.btn:hover {
  opacity: 0.6;
}
.red {
    color: #cc0000;
}
.gray {
    color: #888;
}
.sp-only {
    display: inline;
}
.pc-only {
    display: none;
}
@media screen and (min-width: 768px) {
    .sp-only {
        display: none;
    }
    .pc-only {
        display: inline;
    }
}
small {
    color: #888;
    margin-top: 80px;
    display: block;
    text-align: center;
}
.introduction {
    margin-top: 40px;
}
.introduction .en {
    margin-top: .4rem;
    color: #888;
}
@media screen and (min-width: 768px) {
    .introduction .en {
        margin-top: .8rem;
    }
}

/* HOMEとTHANKS */
body#home .container {
    width: 100%;
    height: 100%;
}
body#home section {
    height: 100%;
    display: flex;
    flex-flow: wrap;
    /* justify-content: space-around; ロゴ掲載許諾後*/
    flex-direction: column;
    align-items: center;
}
body#thanks section {
    height: 100%;
    display: flex;
    flex-flow: wrap;
    /* justify-content: space-around; ロゴ掲載許諾後*/
    flex-direction: column;
    align-items: center;
}
body#home .introduction {
    margin-top: 0;
}
body#thanks .thanks-message h2 {
    margin-bottom: 1em;
    padding: 1.5em 0;
}
body#thanks .thanks-message .en {
    display: block;
    margin-top: 1em;
}
body#thanks .thanks-message .caution {
    margin-top: 1em;
}
body#home section .inner,
body#thanks section .inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}
body#home section .inner {
    /* gap: 80px; ロゴ掲載許諾後再設定 */
    gap: 40px;
    /* padding: 40px 0; ロゴ掲載許諾後*/
}
body#thanks section .inner {
    gap: 40px;
     /* padding: 40px 0; ロゴ掲載許諾後*/
}
body#home .organizer,
body#thanks .organizer {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
    width: 100%;
}
body#home .organizer a,
body#thanks .organizer a {
    text-align: center;
    display: flex;
    width: calc(50% - 4px);
    align-items: center;
}
body#home section .inner .organizer img,
body#thanks section .inner .organizer img {
    width: 100%;
    max-height: 96px;
}
body#home small {
    margin-top: 0;
}
/* -----PC用のスタイル----- */
@media screen and (min-width: 768px) {
    /* TOP */
    body#home section:first-child {
        padding-top: 80px; /* ロゴ掲載許諾後に削除*/
    }
    section.wrap {
        width: 100%;
        max-width: 600px;
        margin: auto;
        padding: 0;
    }
    section.wrap + section.wrap {
        margin-top: 80px;
    }
    body#home section .inner .organizer img,
    body#thanks section .inner .organizer img {
        width: 100%;
        max-height: 136px;
    }   
    body#home .organizer a,
    body#thanks .organizer a,
    body#home .organizer img,
    body#thanks .organizer img {
        display: block;
    }
}

/* FORM */
#contact #form div+div {
    margin-top: 0.8em;
}
#contact label {
    display: block;
    font-weight: bold;
    margin-bottom: .4em;
}
#contact input,
#contact textarea {
    padding: 0.5em 1em;
    letter-spacing: .1em;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: clamp(0.875rem, 0.83rem + 0.23vw, 1rem);
    width: 100%;
}
#contact textarea {
    height: 20em;
}
#contact h2 {
    margin-bottom: 1.6em;
}
#contact .ttl-en {
    display: block;
}
#contact section:first-child {
    padding-top: 40px;
}
#contact section:last-child {
    padding-bottom:40px;
}
#contact .error-message {
    color: #cc0000;
    margin-bottom: .4em;
    display: block;
}
/* -----PC用のスタイル----- */
@media screen and (min-width: 768px) {
    #contact section:first-child,
    #thanks section:first-child {
        padding-top: 80px;
    }
    #contact #form div+div {
        margin-top: 1.6em;
    }
    #contact label {
        margin-bottom: .8em;
    }
}

/* ----------------------
フォント指定 
----------------------*/
/* サイズ */
.fs-xs {
    /* min 10px max 12px */
    font-size: clamp(0.625rem, 0.58rem + 0.23vw, 0.75rem)
}
.fs-s {
    /* min 12px max 14px */
    font-size: clamp(0.75rem, 0.705rem + 0.23vw, 0.875rem);
}
.fs-m {
    /* min 16px max 18px */
    font-size: clamp(1rem, 0.955rem + 0.23vw, 1.125rem);
}
.fs-l {
    /* min 18px max 20px */
    font-size: clamp(1.125rem, 0.989rem + 0.68vw, 1.25rem);
}
.fs-xl {
    /* min 24px max 32px */
    font-size: clamp(1.5rem, 0.977rem + 1.36vw, 2rem);
}
/* 太さ */
.bold {
    font-weight: bold;
}
/* 文字の向き */
.tal {
    text-align: left;
}
.tac {
    text-align: center;
}
.tar {
    text-align: right;
}